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freebsd-skq/sys/dev/cxgbe/t4_main.c
John Baldwin 4b6ed0758d cxgbe: Make the TOE ISCSI RX stats per-queue instead of per adapter. 
Sponsored by:	Chelsio Communications
Differential Revision:	https://reviews.freebsd.org/D29903
2021-05-14 12:16:33 -07:00

13064 lines
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/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2011 Chelsio Communications, Inc.
* All rights reserved.
* Written by: Navdeep Parhar <np@FreeBSD.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_ddb.h"
#include "opt_inet.h"
#include "opt_inet6.h"
#include "opt_kern_tls.h"
#include "opt_ratelimit.h"
#include "opt_rss.h"
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/priv.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/eventhandler.h>
#include <sys/module.h>
#include <sys/malloc.h>
#include <sys/queue.h>
#include <sys/taskqueue.h>
#include <sys/pciio.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pci_private.h>
#include <sys/firmware.h>
#include <sys/sbuf.h>
#include <sys/smp.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <net/ethernet.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_dl.h>
#include <net/if_vlan_var.h>
#ifdef RSS
#include <net/rss_config.h>
#endif
#include <netinet/in.h>
#include <netinet/ip.h>
#ifdef KERN_TLS
#include <netinet/tcp_seq.h>
#endif
#if defined(__i386__) || defined(__amd64__)
#include <machine/md_var.h>
#include <machine/cputypes.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#endif
#ifdef DDB
#include <ddb/ddb.h>
#include <ddb/db_lex.h>
#endif
#include "common/common.h"
#include "common/t4_msg.h"
#include "common/t4_regs.h"
#include "common/t4_regs_values.h"
#include "cudbg/cudbg.h"
#include "t4_clip.h"
#include "t4_ioctl.h"
#include "t4_l2t.h"
#include "t4_mp_ring.h"
#include "t4_if.h"
#include "t4_smt.h"
/* T4 bus driver interface */
static int t4_probe(device_t);
static int t4_attach(device_t);
static int t4_detach(device_t);
static int t4_child_location_str(device_t, device_t, char *, size_t);
static int t4_ready(device_t);
static int t4_read_port_device(device_t, int, device_t *);
static int t4_suspend(device_t);
static int t4_resume(device_t);
static int t4_reset_prepare(device_t, device_t);
static int t4_reset_post(device_t, device_t);
static device_method_t t4_methods[] = {
DEVMETHOD(device_probe, t4_probe),
DEVMETHOD(device_attach, t4_attach),
DEVMETHOD(device_detach, t4_detach),
DEVMETHOD(device_suspend, t4_suspend),
DEVMETHOD(device_resume, t4_resume),
DEVMETHOD(bus_child_location_str, t4_child_location_str),
DEVMETHOD(bus_reset_prepare, t4_reset_prepare),
DEVMETHOD(bus_reset_post, t4_reset_post),
DEVMETHOD(t4_is_main_ready, t4_ready),
DEVMETHOD(t4_read_port_device, t4_read_port_device),
DEVMETHOD_END
};
static driver_t t4_driver = {
"t4nex",
t4_methods,
sizeof(struct adapter)
};
/* T4 port (cxgbe) interface */
static int cxgbe_probe(device_t);
static int cxgbe_attach(device_t);
static int cxgbe_detach(device_t);
device_method_t cxgbe_methods[] = {
DEVMETHOD(device_probe, cxgbe_probe),
DEVMETHOD(device_attach, cxgbe_attach),
DEVMETHOD(device_detach, cxgbe_detach),
{ 0, 0 }
};
static driver_t cxgbe_driver = {
"cxgbe",
cxgbe_methods,
sizeof(struct port_info)
};
/* T4 VI (vcxgbe) interface */
static int vcxgbe_probe(device_t);
static int vcxgbe_attach(device_t);
static int vcxgbe_detach(device_t);
static device_method_t vcxgbe_methods[] = {
DEVMETHOD(device_probe, vcxgbe_probe),
DEVMETHOD(device_attach, vcxgbe_attach),
DEVMETHOD(device_detach, vcxgbe_detach),
{ 0, 0 }
};
static driver_t vcxgbe_driver = {
"vcxgbe",
vcxgbe_methods,
sizeof(struct vi_info)
};
static d_ioctl_t t4_ioctl;
static struct cdevsw t4_cdevsw = {
.d_version = D_VERSION,
.d_ioctl = t4_ioctl,
.d_name = "t4nex",
};
/* T5 bus driver interface */
static int t5_probe(device_t);
static device_method_t t5_methods[] = {
DEVMETHOD(device_probe, t5_probe),
DEVMETHOD(device_attach, t4_attach),
DEVMETHOD(device_detach, t4_detach),
DEVMETHOD(device_suspend, t4_suspend),
DEVMETHOD(device_resume, t4_resume),
DEVMETHOD(bus_child_location_str, t4_child_location_str),
DEVMETHOD(bus_reset_prepare, t4_reset_prepare),
DEVMETHOD(bus_reset_post, t4_reset_post),
DEVMETHOD(t4_is_main_ready, t4_ready),
DEVMETHOD(t4_read_port_device, t4_read_port_device),
DEVMETHOD_END
};
static driver_t t5_driver = {
"t5nex",
t5_methods,
sizeof(struct adapter)
};
/* T5 port (cxl) interface */
static driver_t cxl_driver = {
"cxl",
cxgbe_methods,
sizeof(struct port_info)
};
/* T5 VI (vcxl) interface */
static driver_t vcxl_driver = {
"vcxl",
vcxgbe_methods,
sizeof(struct vi_info)
};
/* T6 bus driver interface */
static int t6_probe(device_t);
static device_method_t t6_methods[] = {
DEVMETHOD(device_probe, t6_probe),
DEVMETHOD(device_attach, t4_attach),
DEVMETHOD(device_detach, t4_detach),
DEVMETHOD(device_suspend, t4_suspend),
DEVMETHOD(device_resume, t4_resume),
DEVMETHOD(bus_child_location_str, t4_child_location_str),
DEVMETHOD(bus_reset_prepare, t4_reset_prepare),
DEVMETHOD(bus_reset_post, t4_reset_post),
DEVMETHOD(t4_is_main_ready, t4_ready),
DEVMETHOD(t4_read_port_device, t4_read_port_device),
DEVMETHOD_END
};
static driver_t t6_driver = {
"t6nex",
t6_methods,
sizeof(struct adapter)
};
/* T6 port (cc) interface */
static driver_t cc_driver = {
"cc",
cxgbe_methods,
sizeof(struct port_info)
};
/* T6 VI (vcc) interface */
static driver_t vcc_driver = {
"vcc",
vcxgbe_methods,
sizeof(struct vi_info)
};
/* ifnet interface */
static void cxgbe_init(void *);
static int cxgbe_ioctl(struct ifnet *, unsigned long, caddr_t);
static int cxgbe_transmit(struct ifnet *, struct mbuf *);
static void cxgbe_qflush(struct ifnet *);
#if defined(KERN_TLS) || defined(RATELIMIT)
static int cxgbe_snd_tag_alloc(struct ifnet *, union if_snd_tag_alloc_params *,
struct m_snd_tag **);
static int cxgbe_snd_tag_modify(struct m_snd_tag *,
union if_snd_tag_modify_params *);
static int cxgbe_snd_tag_query(struct m_snd_tag *,
union if_snd_tag_query_params *);
static void cxgbe_snd_tag_free(struct m_snd_tag *);
#endif
MALLOC_DEFINE(M_CXGBE, "cxgbe", "Chelsio T4/T5 Ethernet driver and services");
/*
* Correct lock order when you need to acquire multiple locks is t4_list_lock,
* then ADAPTER_LOCK, then t4_uld_list_lock.
*/
static struct sx t4_list_lock;
SLIST_HEAD(, adapter) t4_list;
#ifdef TCP_OFFLOAD
static struct sx t4_uld_list_lock;
SLIST_HEAD(, uld_info) t4_uld_list;
#endif
/*
* Tunables. See tweak_tunables() too.
*
* Each tunable is set to a default value here if it's known at compile-time.
* Otherwise it is set to -n as an indication to tweak_tunables() that it should
* provide a reasonable default (upto n) when the driver is loaded.
*
* Tunables applicable to both T4 and T5 are under hw.cxgbe. Those specific to
* T5 are under hw.cxl.
*/
SYSCTL_NODE(_hw, OID_AUTO, cxgbe, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"cxgbe(4) parameters");
SYSCTL_NODE(_hw, OID_AUTO, cxl, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"cxgbe(4) T5+ parameters");
SYSCTL_NODE(_hw_cxgbe, OID_AUTO, toe, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"cxgbe(4) TOE parameters");
/*
* Number of queues for tx and rx, NIC and offload.
*/
#define NTXQ 16
int t4_ntxq = -NTXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq, CTLFLAG_RDTUN, &t4_ntxq, 0,
"Number of TX queues per port");
TUNABLE_INT("hw.cxgbe.ntxq10g", &t4_ntxq); /* Old name, undocumented */
#define NRXQ 8
int t4_nrxq = -NRXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq, CTLFLAG_RDTUN, &t4_nrxq, 0,
"Number of RX queues per port");
TUNABLE_INT("hw.cxgbe.nrxq10g", &t4_nrxq); /* Old name, undocumented */
#define NTXQ_VI 1
static int t4_ntxq_vi = -NTXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, ntxq_vi, CTLFLAG_RDTUN, &t4_ntxq_vi, 0,
"Number of TX queues per VI");
#define NRXQ_VI 1
static int t4_nrxq_vi = -NRXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nrxq_vi, CTLFLAG_RDTUN, &t4_nrxq_vi, 0,
"Number of RX queues per VI");
static int t4_rsrv_noflowq = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, rsrv_noflowq, CTLFLAG_RDTUN, &t4_rsrv_noflowq,
0, "Reserve TX queue 0 of each VI for non-flowid packets");
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
#define NOFLDTXQ 8
static int t4_nofldtxq = -NOFLDTXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq, CTLFLAG_RDTUN, &t4_nofldtxq, 0,
"Number of offload TX queues per port");
#define NOFLDRXQ 2
static int t4_nofldrxq = -NOFLDRXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq, CTLFLAG_RDTUN, &t4_nofldrxq, 0,
"Number of offload RX queues per port");
#define NOFLDTXQ_VI 1
static int t4_nofldtxq_vi = -NOFLDTXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldtxq_vi, CTLFLAG_RDTUN, &t4_nofldtxq_vi, 0,
"Number of offload TX queues per VI");
#define NOFLDRXQ_VI 1
static int t4_nofldrxq_vi = -NOFLDRXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nofldrxq_vi, CTLFLAG_RDTUN, &t4_nofldrxq_vi, 0,
"Number of offload RX queues per VI");
#define TMR_IDX_OFLD 1
int t4_tmr_idx_ofld = TMR_IDX_OFLD;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx_ofld, CTLFLAG_RDTUN,
&t4_tmr_idx_ofld, 0, "Holdoff timer index for offload queues");
#define PKTC_IDX_OFLD (-1)
int t4_pktc_idx_ofld = PKTC_IDX_OFLD;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx_ofld, CTLFLAG_RDTUN,
&t4_pktc_idx_ofld, 0, "holdoff packet counter index for offload queues");
/* 0 means chip/fw default, non-zero number is value in microseconds */
static u_long t4_toe_keepalive_idle = 0;
SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_idle, CTLFLAG_RDTUN,
&t4_toe_keepalive_idle, 0, "TOE keepalive idle timer (us)");
/* 0 means chip/fw default, non-zero number is value in microseconds */
static u_long t4_toe_keepalive_interval = 0;
SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, keepalive_interval, CTLFLAG_RDTUN,
&t4_toe_keepalive_interval, 0, "TOE keepalive interval timer (us)");
/* 0 means chip/fw default, non-zero number is # of keepalives before abort */
static int t4_toe_keepalive_count = 0;
SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, keepalive_count, CTLFLAG_RDTUN,
&t4_toe_keepalive_count, 0, "Number of TOE keepalive probes before abort");
/* 0 means chip/fw default, non-zero number is value in microseconds */
static u_long t4_toe_rexmt_min = 0;
SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_min, CTLFLAG_RDTUN,
&t4_toe_rexmt_min, 0, "Minimum TOE retransmit interval (us)");
/* 0 means chip/fw default, non-zero number is value in microseconds */
static u_long t4_toe_rexmt_max = 0;
SYSCTL_ULONG(_hw_cxgbe_toe, OID_AUTO, rexmt_max, CTLFLAG_RDTUN,
&t4_toe_rexmt_max, 0, "Maximum TOE retransmit interval (us)");
/* 0 means chip/fw default, non-zero number is # of rexmt before abort */
static int t4_toe_rexmt_count = 0;
SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, rexmt_count, CTLFLAG_RDTUN,
&t4_toe_rexmt_count, 0, "Number of TOE retransmissions before abort");
/* -1 means chip/fw default, other values are raw backoff values to use */
static int t4_toe_rexmt_backoff[16] = {
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
};
SYSCTL_NODE(_hw_cxgbe_toe, OID_AUTO, rexmt_backoff,
CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"cxgbe(4) TOE retransmit backoff values");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 0, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[0], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 1, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[1], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 2, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[2], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 3, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[3], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 4, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[4], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 5, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[5], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 6, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[6], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 7, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[7], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 8, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[8], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 9, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[9], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 10, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[10], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 11, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[11], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 12, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[12], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 13, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[13], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 14, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[14], 0, "");
SYSCTL_INT(_hw_cxgbe_toe_rexmt_backoff, OID_AUTO, 15, CTLFLAG_RDTUN,
&t4_toe_rexmt_backoff[15], 0, "");
static int t4_toe_tls_rx_timeout = 5;
SYSCTL_INT(_hw_cxgbe_toe, OID_AUTO, tls_rx_timeout, CTLFLAG_RDTUN,
&t4_toe_tls_rx_timeout, 0,
"Timeout in seconds to downgrade TLS sockets to plain TOE");
#endif
#ifdef DEV_NETMAP
#define NN_MAIN_VI (1 << 0) /* Native netmap on the main VI */
#define NN_EXTRA_VI (1 << 1) /* Native netmap on the extra VI(s) */
static int t4_native_netmap = NN_EXTRA_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, native_netmap, CTLFLAG_RDTUN, &t4_native_netmap,
0, "Native netmap support. bit 0 = main VI, bit 1 = extra VIs");
#define NNMTXQ 8
static int t4_nnmtxq = -NNMTXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmtxq, CTLFLAG_RDTUN, &t4_nnmtxq, 0,
"Number of netmap TX queues");
#define NNMRXQ 8
static int t4_nnmrxq = -NNMRXQ;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmrxq, CTLFLAG_RDTUN, &t4_nnmrxq, 0,
"Number of netmap RX queues");
#define NNMTXQ_VI 2
static int t4_nnmtxq_vi = -NNMTXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmtxq_vi, CTLFLAG_RDTUN, &t4_nnmtxq_vi, 0,
"Number of netmap TX queues per VI");
#define NNMRXQ_VI 2
static int t4_nnmrxq_vi = -NNMRXQ_VI;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nnmrxq_vi, CTLFLAG_RDTUN, &t4_nnmrxq_vi, 0,
"Number of netmap RX queues per VI");
#endif
/*
* Holdoff parameters for ports.
*/
#define TMR_IDX 1
int t4_tmr_idx = TMR_IDX;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_timer_idx, CTLFLAG_RDTUN, &t4_tmr_idx,
0, "Holdoff timer index");
TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_10G", &t4_tmr_idx); /* Old name */
#define PKTC_IDX (-1)
int t4_pktc_idx = PKTC_IDX;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, holdoff_pktc_idx, CTLFLAG_RDTUN, &t4_pktc_idx,
0, "Holdoff packet counter index");
TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_10G", &t4_pktc_idx); /* Old name */
/*
* Size (# of entries) of each tx and rx queue.
*/
unsigned int t4_qsize_txq = TX_EQ_QSIZE;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_txq, CTLFLAG_RDTUN, &t4_qsize_txq, 0,
"Number of descriptors in each TX queue");
unsigned int t4_qsize_rxq = RX_IQ_QSIZE;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, qsize_rxq, CTLFLAG_RDTUN, &t4_qsize_rxq, 0,
"Number of descriptors in each RX queue");
/*
* Interrupt types allowed (bits 0, 1, 2 = INTx, MSI, MSI-X respectively).
*/
int t4_intr_types = INTR_MSIX | INTR_MSI | INTR_INTX;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, interrupt_types, CTLFLAG_RDTUN, &t4_intr_types,
0, "Interrupt types allowed (bit 0 = INTx, 1 = MSI, 2 = MSI-X)");
/*
* Configuration file. All the _CF names here are special.
*/
#define DEFAULT_CF "default"
#define BUILTIN_CF "built-in"
#define FLASH_CF "flash"
#define UWIRE_CF "uwire"
#define FPGA_CF "fpga"
static char t4_cfg_file[32] = DEFAULT_CF;
SYSCTL_STRING(_hw_cxgbe, OID_AUTO, config_file, CTLFLAG_RDTUN, t4_cfg_file,
sizeof(t4_cfg_file), "Firmware configuration file");
/*
* PAUSE settings (bit 0, 1, 2 = rx_pause, tx_pause, pause_autoneg respectively).
* rx_pause = 1 to heed incoming PAUSE frames, 0 to ignore them.
* tx_pause = 1 to emit PAUSE frames when the rx FIFO reaches its high water
* mark or when signalled to do so, 0 to never emit PAUSE.
* pause_autoneg = 1 means PAUSE will be negotiated if possible and the
* negotiated settings will override rx_pause/tx_pause.
* Otherwise rx_pause/tx_pause are applied forcibly.
*/
static int t4_pause_settings = PAUSE_RX | PAUSE_TX | PAUSE_AUTONEG;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, pause_settings, CTLFLAG_RDTUN,
&t4_pause_settings, 0,
"PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)");
/*
* Forward Error Correction settings (bit 0, 1 = RS, BASER respectively).
* -1 to run with the firmware default. Same as FEC_AUTO (bit 5)
* 0 to disable FEC.
*/
static int t4_fec = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, fec, CTLFLAG_RDTUN, &t4_fec, 0,
"Forward Error Correction (bit 0 = RS, bit 1 = BASER_RS)");
/*
* Link autonegotiation.
* -1 to run with the firmware default.
* 0 to disable.
* 1 to enable.
*/
static int t4_autoneg = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, autoneg, CTLFLAG_RDTUN, &t4_autoneg, 0,
"Link autonegotiation");
/*
* Firmware auto-install by driver during attach (0, 1, 2 = prohibited, allowed,
* encouraged respectively). '-n' is the same as 'n' except the firmware
* version used in the checks is read from the firmware bundled with the driver.
*/
static int t4_fw_install = 1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, fw_install, CTLFLAG_RDTUN, &t4_fw_install, 0,
"Firmware auto-install (0 = prohibited, 1 = allowed, 2 = encouraged)");
/*
* ASIC features that will be used. Disable the ones you don't want so that the
* chip resources aren't wasted on features that will not be used.
*/
static int t4_nbmcaps_allowed = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, nbmcaps_allowed, CTLFLAG_RDTUN,
&t4_nbmcaps_allowed, 0, "Default NBM capabilities");
static int t4_linkcaps_allowed = 0; /* No DCBX, PPP, etc. by default */
SYSCTL_INT(_hw_cxgbe, OID_AUTO, linkcaps_allowed, CTLFLAG_RDTUN,
&t4_linkcaps_allowed, 0, "Default link capabilities");
static int t4_switchcaps_allowed = FW_CAPS_CONFIG_SWITCH_INGRESS |
FW_CAPS_CONFIG_SWITCH_EGRESS;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, switchcaps_allowed, CTLFLAG_RDTUN,
&t4_switchcaps_allowed, 0, "Default switch capabilities");
#ifdef RATELIMIT
static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC |
FW_CAPS_CONFIG_NIC_HASHFILTER | FW_CAPS_CONFIG_NIC_ETHOFLD;
#else
static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC |
FW_CAPS_CONFIG_NIC_HASHFILTER;
#endif
SYSCTL_INT(_hw_cxgbe, OID_AUTO, niccaps_allowed, CTLFLAG_RDTUN,
&t4_niccaps_allowed, 0, "Default NIC capabilities");
static int t4_toecaps_allowed = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, toecaps_allowed, CTLFLAG_RDTUN,
&t4_toecaps_allowed, 0, "Default TCP offload capabilities");
static int t4_rdmacaps_allowed = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, rdmacaps_allowed, CTLFLAG_RDTUN,
&t4_rdmacaps_allowed, 0, "Default RDMA capabilities");
static int t4_cryptocaps_allowed = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, cryptocaps_allowed, CTLFLAG_RDTUN,
&t4_cryptocaps_allowed, 0, "Default crypto capabilities");
static int t4_iscsicaps_allowed = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, iscsicaps_allowed, CTLFLAG_RDTUN,
&t4_iscsicaps_allowed, 0, "Default iSCSI capabilities");
static int t4_fcoecaps_allowed = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, fcoecaps_allowed, CTLFLAG_RDTUN,
&t4_fcoecaps_allowed, 0, "Default FCoE capabilities");
static int t5_write_combine = 0;
SYSCTL_INT(_hw_cxl, OID_AUTO, write_combine, CTLFLAG_RDTUN, &t5_write_combine,
0, "Use WC instead of UC for BAR2");
static int t4_num_vis = 1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, num_vis, CTLFLAG_RDTUN, &t4_num_vis, 0,
"Number of VIs per port");
/*
* PCIe Relaxed Ordering.
* -1: driver should figure out a good value.
* 0: disable RO.
* 1: enable RO.
* 2: leave RO alone.
*/
static int pcie_relaxed_ordering = -1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, pcie_relaxed_ordering, CTLFLAG_RDTUN,
&pcie_relaxed_ordering, 0,
"PCIe Relaxed Ordering: 0 = disable, 1 = enable, 2 = leave alone");
static int t4_panic_on_fatal_err = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, panic_on_fatal_err, CTLFLAG_RWTUN,
&t4_panic_on_fatal_err, 0, "panic on fatal errors");
static int t4_reset_on_fatal_err = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, reset_on_fatal_err, CTLFLAG_RWTUN,
&t4_reset_on_fatal_err, 0, "reset adapter on fatal errors");
static int t4_tx_vm_wr = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, tx_vm_wr, CTLFLAG_RWTUN, &t4_tx_vm_wr, 0,
"Use VM work requests to transmit packets.");
/*
* Set to non-zero to enable the attack filter. A packet that matches any of
* these conditions will get dropped on ingress:
* 1) IP && source address == destination address.
* 2) TCP/IP && source address is not a unicast address.
* 3) TCP/IP && destination address is not a unicast address.
* 4) IP && source address is loopback (127.x.y.z).
* 5) IP && destination address is loopback (127.x.y.z).
* 6) IPv6 && source address == destination address.
* 7) IPv6 && source address is not a unicast address.
* 8) IPv6 && source address is loopback (::1/128).
* 9) IPv6 && destination address is loopback (::1/128).
* 10) IPv6 && source address is unspecified (::/128).
* 11) IPv6 && destination address is unspecified (::/128).
* 12) TCP/IPv6 && source address is multicast (ff00::/8).
* 13) TCP/IPv6 && destination address is multicast (ff00::/8).
*/
static int t4_attack_filter = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, attack_filter, CTLFLAG_RDTUN,
&t4_attack_filter, 0, "Drop suspicious traffic");
static int t4_drop_ip_fragments = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, drop_ip_fragments, CTLFLAG_RDTUN,
&t4_drop_ip_fragments, 0, "Drop IP fragments");
static int t4_drop_pkts_with_l2_errors = 1;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, drop_pkts_with_l2_errors, CTLFLAG_RDTUN,
&t4_drop_pkts_with_l2_errors, 0,
"Drop all frames with Layer 2 length or checksum errors");
static int t4_drop_pkts_with_l3_errors = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, drop_pkts_with_l3_errors, CTLFLAG_RDTUN,
&t4_drop_pkts_with_l3_errors, 0,
"Drop all frames with IP version, length, or checksum errors");
static int t4_drop_pkts_with_l4_errors = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, drop_pkts_with_l4_errors, CTLFLAG_RDTUN,
&t4_drop_pkts_with_l4_errors, 0,
"Drop all frames with Layer 4 length, checksum, or other errors");
#ifdef TCP_OFFLOAD
/*
* TOE tunables.
*/
static int t4_cop_managed_offloading = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, cop_managed_offloading, CTLFLAG_RDTUN,
&t4_cop_managed_offloading, 0,
"COP (Connection Offload Policy) controls all TOE offload");
#endif
#ifdef KERN_TLS
/*
* This enables KERN_TLS for all adapters if set.
*/
static int t4_kern_tls = 0;
SYSCTL_INT(_hw_cxgbe, OID_AUTO, kern_tls, CTLFLAG_RDTUN, &t4_kern_tls, 0,
"Enable KERN_TLS mode for all supported adapters");
SYSCTL_NODE(_hw_cxgbe, OID_AUTO, tls, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
"cxgbe(4) KERN_TLS parameters");
static int t4_tls_inline_keys = 0;
SYSCTL_INT(_hw_cxgbe_tls, OID_AUTO, inline_keys, CTLFLAG_RDTUN,
&t4_tls_inline_keys, 0,
"Always pass TLS keys in work requests (1) or attempt to store TLS keys "
"in card memory.");
static int t4_tls_combo_wrs = 0;
SYSCTL_INT(_hw_cxgbe_tls, OID_AUTO, combo_wrs, CTLFLAG_RDTUN, &t4_tls_combo_wrs,
0, "Attempt to combine TCB field updates with TLS record work requests.");
#endif
/* Functions used by VIs to obtain unique MAC addresses for each VI. */
static int vi_mac_funcs[] = {
FW_VI_FUNC_ETH,
FW_VI_FUNC_OFLD,
FW_VI_FUNC_IWARP,
FW_VI_FUNC_OPENISCSI,
FW_VI_FUNC_OPENFCOE,
FW_VI_FUNC_FOISCSI,
FW_VI_FUNC_FOFCOE,
};
struct intrs_and_queues {
uint16_t intr_type; /* INTx, MSI, or MSI-X */
uint16_t num_vis; /* number of VIs for each port */
uint16_t nirq; /* Total # of vectors */
uint16_t ntxq; /* # of NIC txq's for each port */
uint16_t nrxq; /* # of NIC rxq's for each port */
uint16_t nofldtxq; /* # of TOE/ETHOFLD txq's for each port */
uint16_t nofldrxq; /* # of TOE rxq's for each port */
uint16_t nnmtxq; /* # of netmap txq's */
uint16_t nnmrxq; /* # of netmap rxq's */
/* The vcxgbe/vcxl interfaces use these and not the ones above. */
uint16_t ntxq_vi; /* # of NIC txq's */
uint16_t nrxq_vi; /* # of NIC rxq's */
uint16_t nofldtxq_vi; /* # of TOE txq's */
uint16_t nofldrxq_vi; /* # of TOE rxq's */
uint16_t nnmtxq_vi; /* # of netmap txq's */
uint16_t nnmrxq_vi; /* # of netmap rxq's */
};
static void setup_memwin(struct adapter *);
static void position_memwin(struct adapter *, int, uint32_t);
static int validate_mem_range(struct adapter *, uint32_t, uint32_t);
static int fwmtype_to_hwmtype(int);
static int validate_mt_off_len(struct adapter *, int, uint32_t, uint32_t,
uint32_t *);
static int fixup_devlog_params(struct adapter *);
static int cfg_itype_and_nqueues(struct adapter *, struct intrs_and_queues *);
static int contact_firmware(struct adapter *);
static int partition_resources(struct adapter *);
static int get_params__pre_init(struct adapter *);
static int set_params__pre_init(struct adapter *);
static int get_params__post_init(struct adapter *);
static int set_params__post_init(struct adapter *);
static void t4_set_desc(struct adapter *);
static bool fixed_ifmedia(struct port_info *);
static void build_medialist(struct port_info *);
static void init_link_config(struct port_info *);
static int fixup_link_config(struct port_info *);
static int apply_link_config(struct port_info *);
static int cxgbe_init_synchronized(struct vi_info *);
static int cxgbe_uninit_synchronized(struct vi_info *);
static int adapter_full_init(struct adapter *);
static void adapter_full_uninit(struct adapter *);
static int vi_full_init(struct vi_info *);
static void vi_full_uninit(struct vi_info *);
static int alloc_extra_vi(struct adapter *, struct port_info *, struct vi_info *);
static void quiesce_txq(struct sge_txq *);
static void quiesce_wrq(struct sge_wrq *);
static void quiesce_iq_fl(struct adapter *, struct sge_iq *, struct sge_fl *);
static void quiesce_vi(struct vi_info *);
static int t4_alloc_irq(struct adapter *, struct irq *, int rid,
driver_intr_t *, void *, char *);
static int t4_free_irq(struct adapter *, struct irq *);
static void t4_init_atid_table(struct adapter *);
static void t4_free_atid_table(struct adapter *);
static void get_regs(struct adapter *, struct t4_regdump *, uint8_t *);
static void vi_refresh_stats(struct vi_info *);
static void cxgbe_refresh_stats(struct vi_info *);
static void cxgbe_tick(void *);
static void vi_tick(void *);
static void cxgbe_sysctls(struct port_info *);
static int sysctl_int_array(SYSCTL_HANDLER_ARGS);
static int sysctl_bitfield_8b(SYSCTL_HANDLER_ARGS);
static int sysctl_bitfield_16b(SYSCTL_HANDLER_ARGS);
static int sysctl_btphy(SYSCTL_HANDLER_ARGS);
static int sysctl_noflowq(SYSCTL_HANDLER_ARGS);
static int sysctl_tx_vm_wr(SYSCTL_HANDLER_ARGS);
static int sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS);
static int sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS);
static int sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS);
static int sysctl_qsize_txq(SYSCTL_HANDLER_ARGS);
static int sysctl_pause_settings(SYSCTL_HANDLER_ARGS);
static int sysctl_fec(SYSCTL_HANDLER_ARGS);
static int sysctl_module_fec(SYSCTL_HANDLER_ARGS);
static int sysctl_autoneg(SYSCTL_HANDLER_ARGS);
static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS);
static int sysctl_temperature(SYSCTL_HANDLER_ARGS);
static int sysctl_vdd(SYSCTL_HANDLER_ARGS);
static int sysctl_reset_sensor(SYSCTL_HANDLER_ARGS);
static int sysctl_loadavg(SYSCTL_HANDLER_ARGS);
static int sysctl_cctrl(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_la(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS);
static int sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS);
static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_ddp_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tid_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_devlog(SYSCTL_HANDLER_ARGS);
static int sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_hw_sched(SYSCTL_HANDLER_ARGS);
static int sysctl_lb_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_linkdnrc(SYSCTL_HANDLER_ARGS);
static int sysctl_meminfo(SYSCTL_HANDLER_ARGS);
static int sysctl_mps_tcam(SYSCTL_HANDLER_ARGS);
static int sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS);
static int sysctl_path_mtus(SYSCTL_HANDLER_ARGS);
static int sysctl_pm_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_rdma_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tcp_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tids(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tnl_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_la(SYSCTL_HANDLER_ARGS);
static int sysctl_tx_rate(SYSCTL_HANDLER_ARGS);
static int sysctl_ulprx_la(SYSCTL_HANDLER_ARGS);
static int sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_cpus(SYSCTL_HANDLER_ARGS);
static int sysctl_reset(SYSCTL_HANDLER_ARGS);
#ifdef TCP_OFFLOAD
static int sysctl_tls(SYSCTL_HANDLER_ARGS);
static int sysctl_tls_rx_ports(SYSCTL_HANDLER_ARGS);
static int sysctl_tls_rx_timeout(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_tick(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_timer(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS);
static int sysctl_tp_backoff(SYSCTL_HANDLER_ARGS);
static int sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS);
static int sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS);
#endif
static int get_sge_context(struct adapter *, struct t4_sge_context *);
static int load_fw(struct adapter *, struct t4_data *);
static int load_cfg(struct adapter *, struct t4_data *);
static int load_boot(struct adapter *, struct t4_bootrom *);
static int load_bootcfg(struct adapter *, struct t4_data *);
static int cudbg_dump(struct adapter *, struct t4_cudbg_dump *);
static void free_offload_policy(struct t4_offload_policy *);
static int set_offload_policy(struct adapter *, struct t4_offload_policy *);
static int read_card_mem(struct adapter *, int, struct t4_mem_range *);
static int read_i2c(struct adapter *, struct t4_i2c_data *);
static int clear_stats(struct adapter *, u_int);
#ifdef TCP_OFFLOAD
static int toe_capability(struct vi_info *, bool);
static void t4_async_event(void *, int);
#endif
#ifdef KERN_TLS
static int ktls_capability(struct adapter *, bool);
#endif
static int mod_event(module_t, int, void *);
static int notify_siblings(device_t, int);
static uint64_t vi_get_counter(struct ifnet *, ift_counter);
static uint64_t cxgbe_get_counter(struct ifnet *, ift_counter);
static void enable_vxlan_rx(struct adapter *);
static void reset_adapter(void *, int);
struct {
uint16_t device;
char *desc;
} t4_pciids[] = {
{0xa000, "Chelsio Terminator 4 FPGA"},
{0x4400, "Chelsio T440-dbg"},
{0x4401, "Chelsio T420-CR"},
{0x4402, "Chelsio T422-CR"},
{0x4403, "Chelsio T440-CR"},
{0x4404, "Chelsio T420-BCH"},
{0x4405, "Chelsio T440-BCH"},
{0x4406, "Chelsio T440-CH"},
{0x4407, "Chelsio T420-SO"},
{0x4408, "Chelsio T420-CX"},
{0x4409, "Chelsio T420-BT"},
{0x440a, "Chelsio T404-BT"},
{0x440e, "Chelsio T440-LP-CR"},
}, t5_pciids[] = {
{0xb000, "Chelsio Terminator 5 FPGA"},
{0x5400, "Chelsio T580-dbg"},
{0x5401, "Chelsio T520-CR"}, /* 2 x 10G */
{0x5402, "Chelsio T522-CR"}, /* 2 x 10G, 2 X 1G */
{0x5403, "Chelsio T540-CR"}, /* 4 x 10G */
{0x5407, "Chelsio T520-SO"}, /* 2 x 10G, nomem */
{0x5409, "Chelsio T520-BT"}, /* 2 x 10GBaseT */
{0x540a, "Chelsio T504-BT"}, /* 4 x 1G */
{0x540d, "Chelsio T580-CR"}, /* 2 x 40G */
{0x540e, "Chelsio T540-LP-CR"}, /* 4 x 10G */
{0x5410, "Chelsio T580-LP-CR"}, /* 2 x 40G */
{0x5411, "Chelsio T520-LL-CR"}, /* 2 x 10G */
{0x5412, "Chelsio T560-CR"}, /* 1 x 40G, 2 x 10G */
{0x5414, "Chelsio T580-LP-SO-CR"}, /* 2 x 40G, nomem */
{0x5415, "Chelsio T502-BT"}, /* 2 x 1G */
{0x5418, "Chelsio T540-BT"}, /* 4 x 10GBaseT */
{0x5419, "Chelsio T540-LP-BT"}, /* 4 x 10GBaseT */
{0x541a, "Chelsio T540-SO-BT"}, /* 4 x 10GBaseT, nomem */
{0x541b, "Chelsio T540-SO-CR"}, /* 4 x 10G, nomem */
/* Custom */
{0x5483, "Custom T540-CR"},
{0x5484, "Custom T540-BT"},
}, t6_pciids[] = {
{0xc006, "Chelsio Terminator 6 FPGA"}, /* T6 PE10K6 FPGA (PF0) */
{0x6400, "Chelsio T6-DBG-25"}, /* 2 x 10/25G, debug */
{0x6401, "Chelsio T6225-CR"}, /* 2 x 10/25G */
{0x6402, "Chelsio T6225-SO-CR"}, /* 2 x 10/25G, nomem */
{0x6403, "Chelsio T6425-CR"}, /* 4 x 10/25G */
{0x6404, "Chelsio T6425-SO-CR"}, /* 4 x 10/25G, nomem */
{0x6405, "Chelsio T6225-OCP-SO"}, /* 2 x 10/25G, nomem */
{0x6406, "Chelsio T62100-OCP-SO"}, /* 2 x 40/50/100G, nomem */
{0x6407, "Chelsio T62100-LP-CR"}, /* 2 x 40/50/100G */
{0x6408, "Chelsio T62100-SO-CR"}, /* 2 x 40/50/100G, nomem */
{0x6409, "Chelsio T6210-BT"}, /* 2 x 10GBASE-T */
{0x640d, "Chelsio T62100-CR"}, /* 2 x 40/50/100G */
{0x6410, "Chelsio T6-DBG-100"}, /* 2 x 40/50/100G, debug */
{0x6411, "Chelsio T6225-LL-CR"}, /* 2 x 10/25G */
{0x6414, "Chelsio T61100-OCP-SO"}, /* 1 x 40/50/100G, nomem */
{0x6415, "Chelsio T6201-BT"}, /* 2 x 1000BASE-T */
/* Custom */
{0x6480, "Custom T6225-CR"},
{0x6481, "Custom T62100-CR"},
{0x6482, "Custom T6225-CR"},
{0x6483, "Custom T62100-CR"},
{0x6484, "Custom T64100-CR"},
{0x6485, "Custom T6240-SO"},
{0x6486, "Custom T6225-SO-CR"},
{0x6487, "Custom T6225-CR"},
};
#ifdef TCP_OFFLOAD
/*
* service_iq_fl() has an iq and needs the fl. Offset of fl from the iq should
* be exactly the same for both rxq and ofld_rxq.
*/
CTASSERT(offsetof(struct sge_ofld_rxq, iq) == offsetof(struct sge_rxq, iq));
CTASSERT(offsetof(struct sge_ofld_rxq, fl) == offsetof(struct sge_rxq, fl));
#endif
CTASSERT(sizeof(struct cluster_metadata) <= CL_METADATA_SIZE);
static int
t4_probe(device_t dev)
{
int i;
uint16_t v = pci_get_vendor(dev);
uint16_t d = pci_get_device(dev);
uint8_t f = pci_get_function(dev);
if (v != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
/* Attach only to PF0 of the FPGA */
if (d == 0xa000 && f != 0)
return (ENXIO);
for (i = 0; i < nitems(t4_pciids); i++) {
if (d == t4_pciids[i].device) {
device_set_desc(dev, t4_pciids[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
t5_probe(device_t dev)
{
int i;
uint16_t v = pci_get_vendor(dev);
uint16_t d = pci_get_device(dev);
uint8_t f = pci_get_function(dev);
if (v != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
/* Attach only to PF0 of the FPGA */
if (d == 0xb000 && f != 0)
return (ENXIO);
for (i = 0; i < nitems(t5_pciids); i++) {
if (d == t5_pciids[i].device) {
device_set_desc(dev, t5_pciids[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
t6_probe(device_t dev)
{
int i;
uint16_t v = pci_get_vendor(dev);
uint16_t d = pci_get_device(dev);
if (v != PCI_VENDOR_ID_CHELSIO)
return (ENXIO);
for (i = 0; i < nitems(t6_pciids); i++) {
if (d == t6_pciids[i].device) {
device_set_desc(dev, t6_pciids[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static void
t5_attribute_workaround(device_t dev)
{
device_t root_port;
uint32_t v;
/*
* The T5 chips do not properly echo the No Snoop and Relaxed
* Ordering attributes when replying to a TLP from a Root
* Port. As a workaround, find the parent Root Port and
* disable No Snoop and Relaxed Ordering. Note that this
* affects all devices under this root port.
*/
root_port = pci_find_pcie_root_port(dev);
if (root_port == NULL) {
device_printf(dev, "Unable to find parent root port\n");
return;
}
v = pcie_adjust_config(root_port, PCIER_DEVICE_CTL,
PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE, 0, 2);
if ((v & (PCIEM_CTL_RELAXED_ORD_ENABLE | PCIEM_CTL_NOSNOOP_ENABLE)) !=
0)
device_printf(dev, "Disabled No Snoop/Relaxed Ordering on %s\n",
device_get_nameunit(root_port));
}
static const struct devnames devnames[] = {
{
.nexus_name = "t4nex",
.ifnet_name = "cxgbe",
.vi_ifnet_name = "vcxgbe",
.pf03_drv_name = "t4iov",
.vf_nexus_name = "t4vf",
.vf_ifnet_name = "cxgbev"
}, {
.nexus_name = "t5nex",
.ifnet_name = "cxl",
.vi_ifnet_name = "vcxl",
.pf03_drv_name = "t5iov",
.vf_nexus_name = "t5vf",
.vf_ifnet_name = "cxlv"
}, {
.nexus_name = "t6nex",
.ifnet_name = "cc",
.vi_ifnet_name = "vcc",
.pf03_drv_name = "t6iov",
.vf_nexus_name = "t6vf",
.vf_ifnet_name = "ccv"
}
};
void
t4_init_devnames(struct adapter *sc)
{
int id;
id = chip_id(sc);
if (id >= CHELSIO_T4 && id - CHELSIO_T4 < nitems(devnames))
sc->names = &devnames[id - CHELSIO_T4];
else {
device_printf(sc->dev, "chip id %d is not supported.\n", id);
sc->names = NULL;
}
}
static int
t4_ifnet_unit(struct adapter *sc, struct port_info *pi)
{
const char *parent, *name;
long value;
int line, unit;
line = 0;
parent = device_get_nameunit(sc->dev);
name = sc->names->ifnet_name;
while (resource_find_dev(&line, name, &unit, "at", parent) == 0) {
if (resource_long_value(name, unit, "port", &value) == 0 &&
value == pi->port_id)
return (unit);
}
return (-1);
}
static int
t4_attach(device_t dev)
{
struct adapter *sc;
int rc = 0, i, j, rqidx, tqidx, nports;
struct make_dev_args mda;
struct intrs_and_queues iaq;
struct sge *s;
uint32_t *buf;
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
int ofld_tqidx;
#endif
#ifdef TCP_OFFLOAD
int ofld_rqidx;
#endif
#ifdef DEV_NETMAP
int nm_rqidx, nm_tqidx;
#endif
int num_vis;
sc = device_get_softc(dev);
sc->dev = dev;
TUNABLE_INT_FETCH("hw.cxgbe.dflags", &sc->debug_flags);
if ((pci_get_device(dev) & 0xff00) == 0x5400)
t5_attribute_workaround(dev);
pci_enable_busmaster(dev);
if (pci_find_cap(dev, PCIY_EXPRESS, &i) == 0) {
uint32_t v;
pci_set_max_read_req(dev, 4096);
v = pci_read_config(dev, i + PCIER_DEVICE_CTL, 2);
sc->params.pci.mps = 128 << ((v & PCIEM_CTL_MAX_PAYLOAD) >> 5);
if (pcie_relaxed_ordering == 0 &&
(v & PCIEM_CTL_RELAXED_ORD_ENABLE) != 0) {
v &= ~PCIEM_CTL_RELAXED_ORD_ENABLE;
pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2);
} else if (pcie_relaxed_ordering == 1 &&
(v & PCIEM_CTL_RELAXED_ORD_ENABLE) == 0) {
v |= PCIEM_CTL_RELAXED_ORD_ENABLE;
pci_write_config(dev, i + PCIER_DEVICE_CTL, v, 2);
}
}
sc->sge_gts_reg = MYPF_REG(A_SGE_PF_GTS);
sc->sge_kdoorbell_reg = MYPF_REG(A_SGE_PF_KDOORBELL);
sc->traceq = -1;
mtx_init(&sc->ifp_lock, sc->ifp_lockname, 0, MTX_DEF);
snprintf(sc->ifp_lockname, sizeof(sc->ifp_lockname), "%s tracer",
device_get_nameunit(dev));
snprintf(sc->lockname, sizeof(sc->lockname), "%s",
device_get_nameunit(dev));
mtx_init(&sc->sc_lock, sc->lockname, 0, MTX_DEF);
t4_add_adapter(sc);
mtx_init(&sc->sfl_lock, "starving freelists", 0, MTX_DEF);
TAILQ_INIT(&sc->sfl);
callout_init_mtx(&sc->sfl_callout, &sc->sfl_lock, 0);
mtx_init(&sc->reg_lock, "indirect register access", 0, MTX_DEF);
sc->policy = NULL;
rw_init(&sc->policy_lock, "connection offload policy");
callout_init(&sc->ktls_tick, 1);
#ifdef TCP_OFFLOAD
TASK_INIT(&sc->async_event_task, 0, t4_async_event, sc);
#endif
refcount_init(&sc->vxlan_refcount, 0);
TASK_INIT(&sc->reset_task, 0, reset_adapter, sc);
sc->ctrlq_oid = SYSCTL_ADD_NODE(device_get_sysctl_ctx(sc->dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, "ctrlq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "control queues");
sc->fwq_oid = SYSCTL_ADD_NODE(device_get_sysctl_ctx(sc->dev),
SYSCTL_CHILDREN(device_get_sysctl_tree(sc->dev)), OID_AUTO, "fwq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "firmware event queue");
rc = t4_map_bars_0_and_4(sc);
if (rc != 0)
goto done; /* error message displayed already */
memset(sc->chan_map, 0xff, sizeof(sc->chan_map));
/* Prepare the adapter for operation. */
buf = malloc(PAGE_SIZE, M_CXGBE, M_ZERO | M_WAITOK);
rc = -t4_prep_adapter(sc, buf);
free(buf, M_CXGBE);
if (rc != 0) {
device_printf(dev, "failed to prepare adapter: %d.\n", rc);
goto done;
}
/*
* This is the real PF# to which we're attaching. Works from within PCI
* passthrough environments too, where pci_get_function() could return a
* different PF# depending on the passthrough configuration. We need to
* use the real PF# in all our communication with the firmware.
*/
j = t4_read_reg(sc, A_PL_WHOAMI);
sc->pf = chip_id(sc) <= CHELSIO_T5 ? G_SOURCEPF(j) : G_T6_SOURCEPF(j);
sc->mbox = sc->pf;
t4_init_devnames(sc);
if (sc->names == NULL) {
rc = ENOTSUP;
goto done; /* error message displayed already */
}
/*
* Do this really early, with the memory windows set up even before the
* character device. The userland tool's register i/o and mem read
* will work even in "recovery mode".
*/
setup_memwin(sc);
if (t4_init_devlog_params(sc, 0) == 0)
fixup_devlog_params(sc);
make_dev_args_init(&mda);
mda.mda_devsw = &t4_cdevsw;
mda.mda_uid = UID_ROOT;
mda.mda_gid = GID_WHEEL;
mda.mda_mode = 0600;
mda.mda_si_drv1 = sc;
rc = make_dev_s(&mda, &sc->cdev, "%s", device_get_nameunit(dev));
if (rc != 0)
device_printf(dev, "failed to create nexus char device: %d.\n",
rc);
/* Go no further if recovery mode has been requested. */
if (TUNABLE_INT_FETCH("hw.cxgbe.sos", &i) && i != 0) {
device_printf(dev, "recovery mode.\n");
goto done;
}
#if defined(__i386__)
if ((cpu_feature & CPUID_CX8) == 0) {
device_printf(dev, "64 bit atomics not available.\n");
rc = ENOTSUP;
goto done;
}
#endif
/* Contact the firmware and try to become the master driver. */
rc = contact_firmware(sc);
if (rc != 0)
goto done; /* error message displayed already */
MPASS(sc->flags & FW_OK);
rc = get_params__pre_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
if (sc->flags & MASTER_PF) {
rc = partition_resources(sc);
if (rc != 0)
goto done; /* error message displayed already */
t4_intr_clear(sc);
}
rc = get_params__post_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = set_params__post_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = t4_map_bar_2(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = t4_create_dma_tag(sc);
if (rc != 0)
goto done; /* error message displayed already */
/*
* First pass over all the ports - allocate VIs and initialize some
* basic parameters like mac address, port type, etc.
*/
for_each_port(sc, i) {
struct port_info *pi;
pi = malloc(sizeof(*pi), M_CXGBE, M_ZERO | M_WAITOK);
sc->port[i] = pi;
/* These must be set before t4_port_init */
pi->adapter = sc;
pi->port_id = i;
/*
* XXX: vi[0] is special so we can't delay this allocation until
* pi->nvi's final value is known.
*/
pi->vi = malloc(sizeof(struct vi_info) * t4_num_vis, M_CXGBE,
M_ZERO | M_WAITOK);
/*
* Allocate the "main" VI and initialize parameters
* like mac addr.
*/
rc = -t4_port_init(sc, sc->mbox, sc->pf, 0, i);
if (rc != 0) {
device_printf(dev, "unable to initialize port %d: %d\n",
i, rc);
free(pi->vi, M_CXGBE);
free(pi, M_CXGBE);
sc->port[i] = NULL;
goto done;
}
snprintf(pi->lockname, sizeof(pi->lockname), "%sp%d",
device_get_nameunit(dev), i);
mtx_init(&pi->pi_lock, pi->lockname, 0, MTX_DEF);
sc->chan_map[pi->tx_chan] = i;
/*
* The MPS counter for FCS errors doesn't work correctly on the
* T6 so we use the MAC counter here. Which MAC is in use
* depends on the link settings which will be known when the
* link comes up.
*/
if (is_t6(sc)) {
pi->fcs_reg = -1;
} else if (is_t4(sc)) {
pi->fcs_reg = PORT_REG(pi->tx_chan,
A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L);
} else {
pi->fcs_reg = T5_PORT_REG(pi->tx_chan,
A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L);
}
pi->fcs_base = 0;
/* All VIs on this port share this media. */
ifmedia_init(&pi->media, IFM_IMASK, cxgbe_media_change,
cxgbe_media_status);
PORT_LOCK(pi);
init_link_config(pi);
fixup_link_config(pi);
build_medialist(pi);
if (fixed_ifmedia(pi))
pi->flags |= FIXED_IFMEDIA;
PORT_UNLOCK(pi);
pi->dev = device_add_child(dev, sc->names->ifnet_name,
t4_ifnet_unit(sc, pi));
if (pi->dev == NULL) {
device_printf(dev,
"failed to add device for port %d.\n", i);
rc = ENXIO;
goto done;
}
pi->vi[0].dev = pi->dev;
device_set_softc(pi->dev, pi);
}
/*
* Interrupt type, # of interrupts, # of rx/tx queues, etc.
*/
nports = sc->params.nports;
rc = cfg_itype_and_nqueues(sc, &iaq);
if (rc != 0)
goto done; /* error message displayed already */
num_vis = iaq.num_vis;
sc->intr_type = iaq.intr_type;
sc->intr_count = iaq.nirq;
s = &sc->sge;
s->nrxq = nports * iaq.nrxq;
s->ntxq = nports * iaq.ntxq;
if (num_vis > 1) {
s->nrxq += nports * (num_vis - 1) * iaq.nrxq_vi;
s->ntxq += nports * (num_vis - 1) * iaq.ntxq_vi;
}
s->neq = s->ntxq + s->nrxq; /* the free list in an rxq is an eq */
s->neq += nports; /* ctrl queues: 1 per port */
s->niq = s->nrxq + 1; /* 1 extra for firmware event queue */
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
if (is_offload(sc) || is_ethoffload(sc)) {
s->nofldtxq = nports * iaq.nofldtxq;
if (num_vis > 1)
s->nofldtxq += nports * (num_vis - 1) * iaq.nofldtxq_vi;
s->neq += s->nofldtxq;
s->ofld_txq = malloc(s->nofldtxq * sizeof(struct sge_ofld_txq),
M_CXGBE, M_ZERO | M_WAITOK);
}
#endif
#ifdef TCP_OFFLOAD
if (is_offload(sc)) {
s->nofldrxq = nports * iaq.nofldrxq;
if (num_vis > 1)
s->nofldrxq += nports * (num_vis - 1) * iaq.nofldrxq_vi;
s->neq += s->nofldrxq; /* free list */
s->niq += s->nofldrxq;
s->ofld_rxq = malloc(s->nofldrxq * sizeof(struct sge_ofld_rxq),
M_CXGBE, M_ZERO | M_WAITOK);
}
#endif
#ifdef DEV_NETMAP
s->nnmrxq = 0;
s->nnmtxq = 0;
if (t4_native_netmap & NN_MAIN_VI) {
s->nnmrxq += nports * iaq.nnmrxq;
s->nnmtxq += nports * iaq.nnmtxq;
}
if (num_vis > 1 && t4_native_netmap & NN_EXTRA_VI) {
s->nnmrxq += nports * (num_vis - 1) * iaq.nnmrxq_vi;
s->nnmtxq += nports * (num_vis - 1) * iaq.nnmtxq_vi;
}
s->neq += s->nnmtxq + s->nnmrxq;
s->niq += s->nnmrxq;
s->nm_rxq = malloc(s->nnmrxq * sizeof(struct sge_nm_rxq),
M_CXGBE, M_ZERO | M_WAITOK);
s->nm_txq = malloc(s->nnmtxq * sizeof(struct sge_nm_txq),
M_CXGBE, M_ZERO | M_WAITOK);
#endif
MPASS(s->niq <= s->iqmap_sz);
MPASS(s->neq <= s->eqmap_sz);
s->ctrlq = malloc(nports * sizeof(struct sge_wrq), M_CXGBE,
M_ZERO | M_WAITOK);
s->rxq = malloc(s->nrxq * sizeof(struct sge_rxq), M_CXGBE,
M_ZERO | M_WAITOK);
s->txq = malloc(s->ntxq * sizeof(struct sge_txq), M_CXGBE,
M_ZERO | M_WAITOK);
s->iqmap = malloc(s->iqmap_sz * sizeof(struct sge_iq *), M_CXGBE,
M_ZERO | M_WAITOK);
s->eqmap = malloc(s->eqmap_sz * sizeof(struct sge_eq *), M_CXGBE,
M_ZERO | M_WAITOK);
sc->irq = malloc(sc->intr_count * sizeof(struct irq), M_CXGBE,
M_ZERO | M_WAITOK);
t4_init_l2t(sc, M_WAITOK);
t4_init_smt(sc, M_WAITOK);
t4_init_tx_sched(sc);
t4_init_atid_table(sc);
#ifdef RATELIMIT
t4_init_etid_table(sc);
#endif
#ifdef INET6
t4_init_clip_table(sc);
#endif
if (sc->vres.key.size != 0)
sc->key_map = vmem_create("T4TLS key map", sc->vres.key.start,
sc->vres.key.size, 32, 0, M_FIRSTFIT | M_WAITOK);
/*
* Second pass over the ports. This time we know the number of rx and
* tx queues that each port should get.
*/
rqidx = tqidx = 0;
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
ofld_tqidx = 0;
#endif
#ifdef TCP_OFFLOAD
ofld_rqidx = 0;
#endif
#ifdef DEV_NETMAP
nm_rqidx = nm_tqidx = 0;
#endif
for_each_port(sc, i) {
struct port_info *pi = sc->port[i];
struct vi_info *vi;
if (pi == NULL)
continue;
pi->nvi = num_vis;
for_each_vi(pi, j, vi) {
vi->pi = pi;
vi->adapter = sc;
vi->first_intr = -1;
vi->qsize_rxq = t4_qsize_rxq;
vi->qsize_txq = t4_qsize_txq;
vi->first_rxq = rqidx;
vi->first_txq = tqidx;
vi->tmr_idx = t4_tmr_idx;
vi->pktc_idx = t4_pktc_idx;
vi->nrxq = j == 0 ? iaq.nrxq : iaq.nrxq_vi;
vi->ntxq = j == 0 ? iaq.ntxq : iaq.ntxq_vi;
rqidx += vi->nrxq;
tqidx += vi->ntxq;
if (j == 0 && vi->ntxq > 1)
vi->rsrv_noflowq = t4_rsrv_noflowq ? 1 : 0;
else
vi->rsrv_noflowq = 0;
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
vi->first_ofld_txq = ofld_tqidx;
vi->nofldtxq = j == 0 ? iaq.nofldtxq : iaq.nofldtxq_vi;
ofld_tqidx += vi->nofldtxq;
#endif
#ifdef TCP_OFFLOAD
vi->ofld_tmr_idx = t4_tmr_idx_ofld;
vi->ofld_pktc_idx = t4_pktc_idx_ofld;
vi->first_ofld_rxq = ofld_rqidx;
vi->nofldrxq = j == 0 ? iaq.nofldrxq : iaq.nofldrxq_vi;
ofld_rqidx += vi->nofldrxq;
#endif
#ifdef DEV_NETMAP
vi->first_nm_rxq = nm_rqidx;
vi->first_nm_txq = nm_tqidx;
if (j == 0) {
vi->nnmrxq = iaq.nnmrxq;
vi->nnmtxq = iaq.nnmtxq;
} else {
vi->nnmrxq = iaq.nnmrxq_vi;
vi->nnmtxq = iaq.nnmtxq_vi;
}
nm_rqidx += vi->nnmrxq;
nm_tqidx += vi->nnmtxq;
#endif
}
}
rc = t4_setup_intr_handlers(sc);
if (rc != 0) {
device_printf(dev,
"failed to setup interrupt handlers: %d\n", rc);
goto done;
}
rc = bus_generic_probe(dev);
if (rc != 0) {
device_printf(dev, "failed to probe child drivers: %d\n", rc);
goto done;
}
/*
* Ensure thread-safe mailbox access (in debug builds).
*
* So far this was the only thread accessing the mailbox but various
* ifnets and sysctls are about to be created and their handlers/ioctls
* will access the mailbox from different threads.
*/
sc->flags |= CHK_MBOX_ACCESS;
rc = bus_generic_attach(dev);
if (rc != 0) {
device_printf(dev,
"failed to attach all child ports: %d\n", rc);
goto done;
}
device_printf(dev,
"PCIe gen%d x%d, %d ports, %d %s interrupt%s, %d eq, %d iq\n",
sc->params.pci.speed, sc->params.pci.width, sc->params.nports,
sc->intr_count, sc->intr_type == INTR_MSIX ? "MSI-X" :
(sc->intr_type == INTR_MSI ? "MSI" : "INTx"),
sc->intr_count > 1 ? "s" : "", sc->sge.neq, sc->sge.niq);
t4_set_desc(sc);
notify_siblings(dev, 0);
done:
if (rc != 0 && sc->cdev) {
/* cdev was created and so cxgbetool works; recover that way. */
device_printf(dev,
"error during attach, adapter is now in recovery mode.\n");
rc = 0;
}
if (rc != 0)
t4_detach_common(dev);
else
t4_sysctls(sc);
return (rc);
}
static int
t4_child_location_str(device_t bus, device_t dev, char *buf, size_t buflen)
{
struct adapter *sc;
struct port_info *pi;
int i;
sc = device_get_softc(bus);
buf[0] = '\0';
for_each_port(sc, i) {
pi = sc->port[i];
if (pi != NULL && pi->dev == dev) {
snprintf(buf, buflen, "port=%d", pi->port_id);
break;
}
}
return (0);
}
static int
t4_ready(device_t dev)
{
struct adapter *sc;
sc = device_get_softc(dev);
if (sc->flags & FW_OK)
return (0);
return (ENXIO);
}
static int
t4_read_port_device(device_t dev, int port, device_t *child)
{
struct adapter *sc;
struct port_info *pi;
sc = device_get_softc(dev);
if (port < 0 || port >= MAX_NPORTS)
return (EINVAL);
pi = sc->port[port];
if (pi == NULL || pi->dev == NULL)
return (ENXIO);
*child = pi->dev;
return (0);
}
static int
notify_siblings(device_t dev, int detaching)
{
device_t sibling;
int error, i;
error = 0;
for (i = 0; i < PCI_FUNCMAX; i++) {
if (i == pci_get_function(dev))
continue;
sibling = pci_find_dbsf(pci_get_domain(dev), pci_get_bus(dev),
pci_get_slot(dev), i);
if (sibling == NULL || !device_is_attached(sibling))
continue;
if (detaching)
error = T4_DETACH_CHILD(sibling);
else
(void)T4_ATTACH_CHILD(sibling);
if (error)
break;
}
return (error);
}
/*
* Idempotent
*/
static int
t4_detach(device_t dev)
{
struct adapter *sc;
int rc;
sc = device_get_softc(dev);
rc = notify_siblings(dev, 1);
if (rc) {
device_printf(dev,
"failed to detach sibling devices: %d\n", rc);
return (rc);
}
return (t4_detach_common(dev));
}
int
t4_detach_common(device_t dev)
{
struct adapter *sc;
struct port_info *pi;
int i, rc;
sc = device_get_softc(dev);
if (sc->cdev) {
destroy_dev(sc->cdev);
sc->cdev = NULL;
}
sx_xlock(&t4_list_lock);
SLIST_REMOVE(&t4_list, sc, adapter, link);
sx_xunlock(&t4_list_lock);
sc->flags &= ~CHK_MBOX_ACCESS;
if (sc->flags & FULL_INIT_DONE) {
if (!(sc->flags & IS_VF))
t4_intr_disable(sc);
}
if (device_is_attached(dev)) {
rc = bus_generic_detach(dev);
if (rc) {
device_printf(dev,
"failed to detach child devices: %d\n", rc);
return (rc);
}
}
#ifdef TCP_OFFLOAD
taskqueue_drain(taskqueue_thread, &sc->async_event_task);
#endif
for (i = 0; i < sc->intr_count; i++)
t4_free_irq(sc, &sc->irq[i]);
if ((sc->flags & (IS_VF | FW_OK)) == FW_OK)
t4_free_tx_sched(sc);
for (i = 0; i < MAX_NPORTS; i++) {
pi = sc->port[i];
if (pi) {
t4_free_vi(sc, sc->mbox, sc->pf, 0, pi->vi[0].viid);
if (pi->dev)
device_delete_child(dev, pi->dev);
mtx_destroy(&pi->pi_lock);
free(pi->vi, M_CXGBE);
free(pi, M_CXGBE);
}
}
device_delete_children(dev);
adapter_full_uninit(sc);
if ((sc->flags & (IS_VF | FW_OK)) == FW_OK)
t4_fw_bye(sc, sc->mbox);
if (sc->intr_type == INTR_MSI || sc->intr_type == INTR_MSIX)
pci_release_msi(dev);
if (sc->regs_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->regs_rid,
sc->regs_res);
if (sc->udbs_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->udbs_rid,
sc->udbs_res);
if (sc->msix_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->msix_rid,
sc->msix_res);
if (sc->l2t)
t4_free_l2t(sc->l2t);
if (sc->smt)
t4_free_smt(sc->smt);
t4_free_atid_table(sc);
#ifdef RATELIMIT
t4_free_etid_table(sc);
#endif
if (sc->key_map)
vmem_destroy(sc->key_map);
#ifdef INET6
t4_destroy_clip_table(sc);
#endif
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
free(sc->sge.ofld_txq, M_CXGBE);
#endif
#ifdef TCP_OFFLOAD
free(sc->sge.ofld_rxq, M_CXGBE);
#endif
#ifdef DEV_NETMAP
free(sc->sge.nm_rxq, M_CXGBE);
free(sc->sge.nm_txq, M_CXGBE);
#endif
free(sc->irq, M_CXGBE);
free(sc->sge.rxq, M_CXGBE);
free(sc->sge.txq, M_CXGBE);
free(sc->sge.ctrlq, M_CXGBE);
free(sc->sge.iqmap, M_CXGBE);
free(sc->sge.eqmap, M_CXGBE);
free(sc->tids.ftid_tab, M_CXGBE);
free(sc->tids.hpftid_tab, M_CXGBE);
free_hftid_hash(&sc->tids);
free(sc->tids.tid_tab, M_CXGBE);
free(sc->tt.tls_rx_ports, M_CXGBE);
t4_destroy_dma_tag(sc);
callout_drain(&sc->ktls_tick);
callout_drain(&sc->sfl_callout);
if (mtx_initialized(&sc->tids.ftid_lock)) {
mtx_destroy(&sc->tids.ftid_lock);
cv_destroy(&sc->tids.ftid_cv);
}
if (mtx_initialized(&sc->tids.atid_lock))
mtx_destroy(&sc->tids.atid_lock);
if (mtx_initialized(&sc->ifp_lock))
mtx_destroy(&sc->ifp_lock);
if (rw_initialized(&sc->policy_lock)) {
rw_destroy(&sc->policy_lock);
#ifdef TCP_OFFLOAD
if (sc->policy != NULL)
free_offload_policy(sc->policy);
#endif
}
for (i = 0; i < NUM_MEMWIN; i++) {
struct memwin *mw = &sc->memwin[i];
if (rw_initialized(&mw->mw_lock))
rw_destroy(&mw->mw_lock);
}
mtx_destroy(&sc->sfl_lock);
mtx_destroy(&sc->reg_lock);
mtx_destroy(&sc->sc_lock);
bzero(sc, sizeof(*sc));
return (0);
}
static inline bool
ok_to_reset(struct adapter *sc)
{
struct tid_info *t = &sc->tids;
struct port_info *pi;
struct vi_info *vi;
int i, j;
const int caps = IFCAP_TOE | IFCAP_TXTLS | IFCAP_NETMAP | IFCAP_TXRTLMT;
ASSERT_SYNCHRONIZED_OP(sc);
MPASS(!(sc->flags & IS_VF));
for_each_port(sc, i) {
pi = sc->port[i];
for_each_vi(pi, j, vi) {
if (vi->ifp->if_capenable & caps)
return (false);
}
}
if (atomic_load_int(&t->tids_in_use) > 0)
return (false);
if (atomic_load_int(&t->stids_in_use) > 0)
return (false);
if (atomic_load_int(&t->atids_in_use) > 0)
return (false);
if (atomic_load_int(&t->ftids_in_use) > 0)
return (false);
if (atomic_load_int(&t->hpftids_in_use) > 0)
return (false);
if (atomic_load_int(&t->etids_in_use) > 0)
return (false);
return (true);
}
static int
t4_suspend(device_t dev)
{
struct adapter *sc = device_get_softc(dev);
struct port_info *pi;
struct vi_info *vi;
struct ifnet *ifp;
struct sge_rxq *rxq;
struct sge_txq *txq;
struct sge_wrq *wrq;
#ifdef TCP_OFFLOAD
struct sge_ofld_rxq *ofld_rxq;
#endif
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
struct sge_ofld_txq *ofld_txq;
#endif
int rc, i, j, k;
CH_ALERT(sc, "suspend requested\n");
rc = begin_synchronized_op(sc, NULL, SLEEP_OK, "t4sus");
if (rc != 0)
return (ENXIO);
/* XXX: Can the kernel call suspend repeatedly without resume? */
MPASS(!hw_off_limits(sc));
if (!ok_to_reset(sc)) {
/* XXX: should list what resource is preventing suspend. */
CH_ERR(sc, "not safe to suspend.\n");
rc = EBUSY;
goto done;
}
/* No more DMA or interrupts. */
t4_shutdown_adapter(sc);
/* Quiesce all activity. */
for_each_port(sc, i) {
pi = sc->port[i];
pi->vxlan_tcam_entry = false;
PORT_LOCK(pi);
if (pi->up_vis > 0) {
/*
* t4_shutdown_adapter has already shut down all the
* PHYs but it also disables interrupts and DMA so there
* won't be a link interrupt. So we update the state
* manually and inform the kernel.
*/
pi->link_cfg.link_ok = false;
t4_os_link_changed(pi);
}
PORT_UNLOCK(pi);
for_each_vi(pi, j, vi) {
vi->xact_addr_filt = -1;
if (!(vi->flags & VI_INIT_DONE))
continue;
ifp = vi->ifp;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
mtx_lock(&vi->tick_mtx);
vi->flags |= VI_SKIP_STATS;
callout_stop(&vi->tick);
mtx_unlock(&vi->tick_mtx);
callout_drain(&vi->tick);
}
/*
* Note that the HW is not available.
*/
for_each_txq(vi, k, txq) {
TXQ_LOCK(txq);
txq->eq.flags &= ~(EQ_ENABLED | EQ_HW_ALLOCATED);
TXQ_UNLOCK(txq);
}
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
for_each_ofld_txq(vi, k, ofld_txq) {
ofld_txq->wrq.eq.flags &= ~EQ_HW_ALLOCATED;
}
#endif
for_each_rxq(vi, k, rxq) {
rxq->iq.flags &= ~IQ_HW_ALLOCATED;
}
#if defined(TCP_OFFLOAD)
for_each_ofld_rxq(vi, k, ofld_rxq) {
ofld_rxq->iq.flags &= ~IQ_HW_ALLOCATED;
}
#endif
quiesce_vi(vi);
}
if (sc->flags & FULL_INIT_DONE) {
/* Control queue */
wrq = &sc->sge.ctrlq[i];
wrq->eq.flags &= ~EQ_HW_ALLOCATED;
quiesce_wrq(wrq);
}
}
if (sc->flags & FULL_INIT_DONE) {
/* Firmware event queue */
sc->sge.fwq.flags &= ~IQ_HW_ALLOCATED;
quiesce_iq_fl(sc, &sc->sge.fwq, NULL);
}
/* Mark the adapter totally off limits. */
mtx_lock(&sc->reg_lock);
sc->flags |= HW_OFF_LIMITS;
sc->flags &= ~(FW_OK | MASTER_PF);
sc->reset_thread = NULL;
mtx_unlock(&sc->reg_lock);
sc->num_resets++;
CH_ALERT(sc, "suspend completed.\n");
done:
end_synchronized_op(sc, 0);
return (rc);
}
struct adapter_pre_reset_state {
u_int flags;
uint16_t nbmcaps;
uint16_t linkcaps;
uint16_t switchcaps;
uint16_t niccaps;
uint16_t toecaps;
uint16_t rdmacaps;
uint16_t cryptocaps;
uint16_t iscsicaps;
uint16_t fcoecaps;
u_int cfcsum;
char cfg_file[32];
struct adapter_params params;
struct t4_virt_res vres;
struct tid_info tids;
struct sge sge;
int rawf_base;
int nrawf;
};
static void
save_caps_and_params(struct adapter *sc, struct adapter_pre_reset_state *o)
{
ASSERT_SYNCHRONIZED_OP(sc);
o->flags = sc->flags;
o->nbmcaps = sc->nbmcaps;
o->linkcaps = sc->linkcaps;
o->switchcaps = sc->switchcaps;
o->niccaps = sc->niccaps;
o->toecaps = sc->toecaps;
o->rdmacaps = sc->rdmacaps;
o->cryptocaps = sc->cryptocaps;
o->iscsicaps = sc->iscsicaps;
o->fcoecaps = sc->fcoecaps;
o->cfcsum = sc->cfcsum;
MPASS(sizeof(o->cfg_file) == sizeof(sc->cfg_file));
memcpy(o->cfg_file, sc->cfg_file, sizeof(o->cfg_file));
o->params = sc->params;
o->vres = sc->vres;
o->tids = sc->tids;
o->sge = sc->sge;
o->rawf_base = sc->rawf_base;
o->nrawf = sc->nrawf;
}
static int
compare_caps_and_params(struct adapter *sc, struct adapter_pre_reset_state *o)
{
int rc = 0;
ASSERT_SYNCHRONIZED_OP(sc);
/* Capabilities */
#define COMPARE_CAPS(c) do { \
if (o->c##caps != sc->c##caps) { \
CH_ERR(sc, "%scaps 0x%04x -> 0x%04x.\n", #c, o->c##caps, \
sc->c##caps); \
rc = EINVAL; \
} \
} while (0)
COMPARE_CAPS(nbm);
COMPARE_CAPS(link);
COMPARE_CAPS(switch);
COMPARE_CAPS(nic);
COMPARE_CAPS(toe);
COMPARE_CAPS(rdma);
COMPARE_CAPS(crypto);
COMPARE_CAPS(iscsi);
COMPARE_CAPS(fcoe);
#undef COMPARE_CAPS
/* Firmware config file */
if (o->cfcsum != sc->cfcsum) {
CH_ERR(sc, "config file %s (0x%x) -> %s (0x%x)\n", o->cfg_file,
o->cfcsum, sc->cfg_file, sc->cfcsum);
rc = EINVAL;
}
#define COMPARE_PARAM(p, name) do { \
if (o->p != sc->p) { \
CH_ERR(sc, #name " %d -> %d\n", o->p, sc->p); \
rc = EINVAL; \
} \
} while (0)
COMPARE_PARAM(sge.iq_start, iq_start);
COMPARE_PARAM(sge.eq_start, eq_start);
COMPARE_PARAM(tids.ftid_base, ftid_base);
COMPARE_PARAM(tids.ftid_end, ftid_end);
COMPARE_PARAM(tids.nftids, nftids);
COMPARE_PARAM(vres.l2t.start, l2t_start);
COMPARE_PARAM(vres.l2t.size, l2t_size);
COMPARE_PARAM(sge.iqmap_sz, iqmap_sz);
COMPARE_PARAM(sge.eqmap_sz, eqmap_sz);
COMPARE_PARAM(tids.tid_base, tid_base);
COMPARE_PARAM(tids.hpftid_base, hpftid_base);
COMPARE_PARAM(tids.hpftid_end, hpftid_end);
COMPARE_PARAM(tids.nhpftids, nhpftids);
COMPARE_PARAM(rawf_base, rawf_base);
COMPARE_PARAM(nrawf, nrawf);
COMPARE_PARAM(params.mps_bg_map, mps_bg_map);
COMPARE_PARAM(params.filter2_wr_support, filter2_wr_support);
COMPARE_PARAM(params.ulptx_memwrite_dsgl, ulptx_memwrite_dsgl);
COMPARE_PARAM(params.fr_nsmr_tpte_wr_support, fr_nsmr_tpte_wr_support);
COMPARE_PARAM(params.max_pkts_per_eth_tx_pkts_wr, max_pkts_per_eth_tx_pkts_wr);
COMPARE_PARAM(tids.ntids, ntids);
COMPARE_PARAM(tids.etid_base, etid_base);
COMPARE_PARAM(tids.etid_end, etid_end);
COMPARE_PARAM(tids.netids, netids);
COMPARE_PARAM(params.eo_wr_cred, eo_wr_cred);
COMPARE_PARAM(params.ethoffload, ethoffload);
COMPARE_PARAM(tids.natids, natids);
COMPARE_PARAM(tids.stid_base, stid_base);
COMPARE_PARAM(vres.ddp.start, ddp_start);
COMPARE_PARAM(vres.ddp.size, ddp_size);
COMPARE_PARAM(params.ofldq_wr_cred, ofldq_wr_cred);
COMPARE_PARAM(vres.stag.start, stag_start);
COMPARE_PARAM(vres.stag.size, stag_size);
COMPARE_PARAM(vres.rq.start, rq_start);
COMPARE_PARAM(vres.rq.size, rq_size);
COMPARE_PARAM(vres.pbl.start, pbl_start);
COMPARE_PARAM(vres.pbl.size, pbl_size);
COMPARE_PARAM(vres.qp.start, qp_start);
COMPARE_PARAM(vres.qp.size, qp_size);
COMPARE_PARAM(vres.cq.start, cq_start);
COMPARE_PARAM(vres.cq.size, cq_size);
COMPARE_PARAM(vres.ocq.start, ocq_start);
COMPARE_PARAM(vres.ocq.size, ocq_size);
COMPARE_PARAM(vres.srq.start, srq_start);
COMPARE_PARAM(vres.srq.size, srq_size);
COMPARE_PARAM(params.max_ordird_qp, max_ordird_qp);
COMPARE_PARAM(params.max_ird_adapter, max_ird_adapter);
COMPARE_PARAM(vres.iscsi.start, iscsi_start);
COMPARE_PARAM(vres.iscsi.size, iscsi_size);
COMPARE_PARAM(vres.key.start, key_start);
COMPARE_PARAM(vres.key.size, key_size);
#undef COMPARE_PARAM
return (rc);
}
static int
t4_resume(device_t dev)
{
struct adapter *sc = device_get_softc(dev);
struct adapter_pre_reset_state *old_state = NULL;
struct port_info *pi;
struct vi_info *vi;
struct ifnet *ifp;
struct sge_txq *txq;
int rc, i, j, k;
CH_ALERT(sc, "resume requested.\n");
rc = begin_synchronized_op(sc, NULL, SLEEP_OK, "t4res");
if (rc != 0)
return (ENXIO);
MPASS(hw_off_limits(sc));
MPASS((sc->flags & FW_OK) == 0);
MPASS((sc->flags & MASTER_PF) == 0);
MPASS(sc->reset_thread == NULL);
sc->reset_thread = curthread;
/* Register access is expected to work by the time we're here. */
if (t4_read_reg(sc, A_PL_WHOAMI) == 0xffffffff) {
CH_ERR(sc, "%s: can't read device registers\n", __func__);
rc = ENXIO;
goto done;
}
/* Restore memory window. */
setup_memwin(sc);
/* Go no further if recovery mode has been requested. */
if (TUNABLE_INT_FETCH("hw.cxgbe.sos", &i) && i != 0) {
CH_ALERT(sc, "recovery mode on resume.\n");
rc = 0;
mtx_lock(&sc->reg_lock);
sc->flags &= ~HW_OFF_LIMITS;
mtx_unlock(&sc->reg_lock);
goto done;
}
old_state = malloc(sizeof(*old_state), M_CXGBE, M_ZERO | M_WAITOK);
save_caps_and_params(sc, old_state);
/* Reestablish contact with firmware and become the primary PF. */
rc = contact_firmware(sc);
if (rc != 0)
goto done; /* error message displayed already */
MPASS(sc->flags & FW_OK);
if (sc->flags & MASTER_PF) {
rc = partition_resources(sc);
if (rc != 0)
goto done; /* error message displayed already */
t4_intr_clear(sc);
}
rc = get_params__post_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = set_params__post_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = compare_caps_and_params(sc, old_state);
if (rc != 0)
goto done; /* error message displayed already */
for_each_port(sc, i) {
pi = sc->port[i];
MPASS(pi != NULL);
MPASS(pi->vi != NULL);
MPASS(pi->vi[0].dev == pi->dev);
rc = -t4_port_init(sc, sc->mbox, sc->pf, 0, i);
if (rc != 0) {
CH_ERR(sc,
"failed to re-initialize port %d: %d\n", i, rc);
goto done;
}
MPASS(sc->chan_map[pi->tx_chan] == i);
PORT_LOCK(pi);
fixup_link_config(pi);
build_medialist(pi);
PORT_UNLOCK(pi);
for_each_vi(pi, j, vi) {
if (IS_MAIN_VI(vi))
continue;
rc = alloc_extra_vi(sc, pi, vi);
if (rc != 0) {
CH_ERR(vi,
"failed to re-allocate extra VI: %d\n", rc);
goto done;
}
}
}
/*
* Interrupts and queues are about to be enabled and other threads will
* want to access the hardware too. It is safe to do so. Note that
* this thread is still in the middle of a synchronized_op.
*/
mtx_lock(&sc->reg_lock);
sc->flags &= ~HW_OFF_LIMITS;
mtx_unlock(&sc->reg_lock);
if (sc->flags & FULL_INIT_DONE) {
rc = adapter_full_init(sc);
if (rc != 0) {
CH_ERR(sc, "failed to re-initialize adapter: %d\n", rc);
goto done;
}
if (sc->vxlan_refcount > 0)
enable_vxlan_rx(sc);
for_each_port(sc, i) {
pi = sc->port[i];
for_each_vi(pi, j, vi) {
if (!(vi->flags & VI_INIT_DONE))
continue;
rc = vi_full_init(vi);
if (rc != 0) {
CH_ERR(vi, "failed to re-initialize "
"interface: %d\n", rc);
goto done;
}
ifp = vi->ifp;
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
continue;
/*
* Note that we do not setup multicast addresses
* in the first pass. This ensures that the
* unicast DMACs for all VIs on all ports get an
* MPS TCAM entry.
*/
rc = update_mac_settings(ifp, XGMAC_ALL &
~XGMAC_MCADDRS);
if (rc != 0) {
CH_ERR(vi, "failed to re-configure MAC: %d\n", rc);
goto done;
}
rc = -t4_enable_vi(sc, sc->mbox, vi->viid, true,
true);
if (rc != 0) {
CH_ERR(vi, "failed to re-enable VI: %d\n", rc);
goto done;
}
for_each_txq(vi, k, txq) {
TXQ_LOCK(txq);
txq->eq.flags |= EQ_ENABLED;
TXQ_UNLOCK(txq);
}
mtx_lock(&vi->tick_mtx);
vi->flags &= ~VI_SKIP_STATS;
callout_schedule(&vi->tick, hz);
mtx_unlock(&vi->tick_mtx);
}
PORT_LOCK(pi);
if (pi->up_vis > 0) {
t4_update_port_info(pi);
fixup_link_config(pi);
build_medialist(pi);
apply_link_config(pi);
if (pi->link_cfg.link_ok)
t4_os_link_changed(pi);
}
PORT_UNLOCK(pi);
}
/* Now reprogram the L2 multicast addresses. */
for_each_port(sc, i) {
pi = sc->port[i];
for_each_vi(pi, j, vi) {
if (!(vi->flags & VI_INIT_DONE))
continue;
ifp = vi->ifp;
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING))
continue;
rc = update_mac_settings(ifp, XGMAC_MCADDRS);
if (rc != 0) {
CH_ERR(vi, "failed to re-configure MCAST MACs: %d\n", rc);
rc = 0; /* carry on */
}
}
}
}
done:
if (rc == 0) {
sc->incarnation++;
CH_ALERT(sc, "resume completed.\n");
}
end_synchronized_op(sc, 0);
free(old_state, M_CXGBE);
return (rc);
}
static int
t4_reset_prepare(device_t dev, device_t child)
{
struct adapter *sc = device_get_softc(dev);
CH_ALERT(sc, "reset_prepare.\n");
return (0);
}
static int
t4_reset_post(device_t dev, device_t child)
{
struct adapter *sc = device_get_softc(dev);
CH_ALERT(sc, "reset_post.\n");
return (0);
}
static void
reset_adapter(void *arg, int pending)
{
struct adapter *sc = arg;
int rc;
CH_ALERT(sc, "reset requested.\n");
rc = begin_synchronized_op(sc, NULL, SLEEP_OK, "t4rst1");
if (rc != 0)
return;
if (hw_off_limits(sc)) {
CH_ERR(sc, "adapter is suspended, use resume (not reset).\n");
rc = ENXIO;
goto done;
}
if (!ok_to_reset(sc)) {
/* XXX: should list what resource is preventing reset. */
CH_ERR(sc, "not safe to reset.\n");
rc = EBUSY;
goto done;
}
done:
end_synchronized_op(sc, 0);
if (rc != 0)
return; /* Error logged already. */
mtx_lock(&Giant);
rc = BUS_RESET_CHILD(device_get_parent(sc->dev), sc->dev, 0);
mtx_unlock(&Giant);
if (rc != 0)
CH_ERR(sc, "bus_reset_child failed: %d.\n", rc);
else
CH_ALERT(sc, "bus_reset_child succeeded.\n");
}
static int
cxgbe_probe(device_t dev)
{
char buf[128];
struct port_info *pi = device_get_softc(dev);
snprintf(buf, sizeof(buf), "port %d", pi->port_id);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
#define T4_CAP (IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_MTU | IFCAP_HWCSUM | \
IFCAP_VLAN_HWCSUM | IFCAP_TSO | IFCAP_JUMBO_MTU | IFCAP_LRO | \
IFCAP_VLAN_HWTSO | IFCAP_LINKSTATE | IFCAP_HWCSUM_IPV6 | IFCAP_HWSTATS | \
IFCAP_HWRXTSTMP | IFCAP_MEXTPG)
#define T4_CAP_ENABLE (T4_CAP)
static int
cxgbe_vi_attach(device_t dev, struct vi_info *vi)
{
struct ifnet *ifp;
struct sbuf *sb;
struct sysctl_ctx_list *ctx;
struct sysctl_oid_list *children;
struct pfil_head_args pa;
struct adapter *sc = vi->adapter;
ctx = device_get_sysctl_ctx(vi->dev);
children = SYSCTL_CHILDREN(device_get_sysctl_tree(vi->dev));
vi->rxq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "rxq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "NIC rx queues");
vi->txq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "txq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "NIC tx queues");
#ifdef DEV_NETMAP
vi->nm_rxq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "nm_rxq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "netmap rx queues");
vi->nm_txq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "nm_txq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "netmap tx queues");
#endif
#ifdef TCP_OFFLOAD
vi->ofld_rxq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "ofld_rxq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TOE rx queues");
#endif
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
vi->ofld_txq_oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "ofld_txq",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TOE/ETHOFLD tx queues");
#endif
vi->xact_addr_filt = -1;
mtx_init(&vi->tick_mtx, "vi tick", NULL, MTX_DEF);
callout_init_mtx(&vi->tick, &vi->tick_mtx, 0);
if (sc->flags & IS_VF || t4_tx_vm_wr != 0)
vi->flags |= TX_USES_VM_WR;
/* Allocate an ifnet and set it up */
ifp = if_alloc_dev(IFT_ETHER, dev);
if (ifp == NULL) {
device_printf(dev, "Cannot allocate ifnet\n");
return (ENOMEM);
}
vi->ifp = ifp;
ifp->if_softc = vi;
if_initname(ifp, device_get_name(dev), device_get_unit(dev));
ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
ifp->if_init = cxgbe_init;
ifp->if_ioctl = cxgbe_ioctl;
ifp->if_transmit = cxgbe_transmit;
ifp->if_qflush = cxgbe_qflush;
if (vi->pi->nvi > 1 || sc->flags & IS_VF)
ifp->if_get_counter = vi_get_counter;
else
ifp->if_get_counter = cxgbe_get_counter;
#if defined(KERN_TLS) || defined(RATELIMIT)
ifp->if_snd_tag_alloc = cxgbe_snd_tag_alloc;
ifp->if_snd_tag_modify = cxgbe_snd_tag_modify;
ifp->if_snd_tag_query = cxgbe_snd_tag_query;
ifp->if_snd_tag_free = cxgbe_snd_tag_free;
#endif
#ifdef RATELIMIT
ifp->if_ratelimit_query = cxgbe_ratelimit_query;
#endif
ifp->if_capabilities = T4_CAP;
ifp->if_capenable = T4_CAP_ENABLE;
ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO |
CSUM_UDP_IPV6 | CSUM_TCP_IPV6;
if (chip_id(sc) >= CHELSIO_T6) {
ifp->if_capabilities |= IFCAP_VXLAN_HWCSUM | IFCAP_VXLAN_HWTSO;
ifp->if_capenable |= IFCAP_VXLAN_HWCSUM | IFCAP_VXLAN_HWTSO;
ifp->if_hwassist |= CSUM_INNER_IP6_UDP | CSUM_INNER_IP6_TCP |
CSUM_INNER_IP6_TSO | CSUM_INNER_IP | CSUM_INNER_IP_UDP |
CSUM_INNER_IP_TCP | CSUM_INNER_IP_TSO | CSUM_ENCAP_VXLAN;
}
#ifdef TCP_OFFLOAD
if (vi->nofldrxq != 0)
ifp->if_capabilities |= IFCAP_TOE;
#endif
#ifdef RATELIMIT
if (is_ethoffload(sc) && vi->nofldtxq != 0) {
ifp->if_capabilities |= IFCAP_TXRTLMT;
ifp->if_capenable |= IFCAP_TXRTLMT;
}
#endif
ifp->if_hw_tsomax = IP_MAXPACKET;
if (vi->flags & TX_USES_VM_WR)
ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_VM_TSO;
else
ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_TSO;
#ifdef RATELIMIT
if (is_ethoffload(sc) && vi->nofldtxq != 0)
ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_EO_TSO;
#endif
ifp->if_hw_tsomaxsegsize = 65536;
#ifdef KERN_TLS
if (is_ktls(sc)) {
ifp->if_capabilities |= IFCAP_TXTLS;
if (sc->flags & KERN_TLS_ON)
ifp->if_capenable |= IFCAP_TXTLS;
}
#endif
ether_ifattach(ifp, vi->hw_addr);
#ifdef DEV_NETMAP
if (vi->nnmrxq != 0)
cxgbe_nm_attach(vi);
#endif
sb = sbuf_new_auto();
sbuf_printf(sb, "%d txq, %d rxq (NIC)", vi->ntxq, vi->nrxq);
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
switch (ifp->if_capabilities & (IFCAP_TOE | IFCAP_TXRTLMT)) {
case IFCAP_TOE:
sbuf_printf(sb, "; %d txq (TOE)", vi->nofldtxq);
break;
case IFCAP_TOE | IFCAP_TXRTLMT:
sbuf_printf(sb, "; %d txq (TOE/ETHOFLD)", vi->nofldtxq);
break;
case IFCAP_TXRTLMT:
sbuf_printf(sb, "; %d txq (ETHOFLD)", vi->nofldtxq);
break;
}
#endif
#ifdef TCP_OFFLOAD
if (ifp->if_capabilities & IFCAP_TOE)
sbuf_printf(sb, ", %d rxq (TOE)", vi->nofldrxq);
#endif
#ifdef DEV_NETMAP
if (ifp->if_capabilities & IFCAP_NETMAP)
sbuf_printf(sb, "; %d txq, %d rxq (netmap)",
vi->nnmtxq, vi->nnmrxq);
#endif
sbuf_finish(sb);
device_printf(dev, "%s\n", sbuf_data(sb));
sbuf_delete(sb);
vi_sysctls(vi);
pa.pa_version = PFIL_VERSION;
pa.pa_flags = PFIL_IN;
pa.pa_type = PFIL_TYPE_ETHERNET;
pa.pa_headname = ifp->if_xname;
vi->pfil = pfil_head_register(&pa);
return (0);
}
static int
cxgbe_attach(device_t dev)
{
struct port_info *pi = device_get_softc(dev);
struct adapter *sc = pi->adapter;
struct vi_info *vi;
int i, rc;
rc = cxgbe_vi_attach(dev, &pi->vi[0]);
if (rc)
return (rc);
for_each_vi(pi, i, vi) {
if (i == 0)
continue;
vi->dev = device_add_child(dev, sc->names->vi_ifnet_name, -1);
if (vi->dev == NULL) {
device_printf(dev, "failed to add VI %d\n", i);
continue;
}
device_set_softc(vi->dev, vi);
}
cxgbe_sysctls(pi);
bus_generic_attach(dev);
return (0);
}
static void
cxgbe_vi_detach(struct vi_info *vi)
{
struct ifnet *ifp = vi->ifp;
if (vi->pfil != NULL) {
pfil_head_unregister(vi->pfil);
vi->pfil = NULL;
}
ether_ifdetach(ifp);
/* Let detach proceed even if these fail. */
#ifdef DEV_NETMAP
if (ifp->if_capabilities & IFCAP_NETMAP)
cxgbe_nm_detach(vi);
#endif
cxgbe_uninit_synchronized(vi);
callout_drain(&vi->tick);
vi_full_uninit(vi);
if_free(vi->ifp);
vi->ifp = NULL;
}
static int
cxgbe_detach(device_t dev)
{
struct port_info *pi = device_get_softc(dev);
struct adapter *sc = pi->adapter;
int rc;
/* Detach the extra VIs first. */
rc = bus_generic_detach(dev);
if (rc)
return (rc);
device_delete_children(dev);
doom_vi(sc, &pi->vi[0]);
if (pi->flags & HAS_TRACEQ) {
sc->traceq = -1; /* cloner should not create ifnet */
t4_tracer_port_detach(sc);
}
cxgbe_vi_detach(&pi->vi[0]);
ifmedia_removeall(&pi->media);
end_synchronized_op(sc, 0);
return (0);
}
static void
cxgbe_init(void *arg)
{
struct vi_info *vi = arg;
struct adapter *sc = vi->adapter;
if (begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4init") != 0)
return;
cxgbe_init_synchronized(vi);
end_synchronized_op(sc, 0);
}
static int
cxgbe_ioctl(struct ifnet *ifp, unsigned long cmd, caddr_t data)
{
int rc = 0, mtu, flags;
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
struct ifreq *ifr = (struct ifreq *)data;
uint32_t mask;
switch (cmd) {
case SIOCSIFMTU:
mtu = ifr->ifr_mtu;
if (mtu < ETHERMIN || mtu > MAX_MTU)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4mtu");
if (rc)
return (rc);
ifp->if_mtu = mtu;
if (vi->flags & VI_INIT_DONE) {
t4_update_fl_bufsize(ifp);
if (!hw_off_limits(sc) &&
ifp->if_drv_flags & IFF_DRV_RUNNING)
rc = update_mac_settings(ifp, XGMAC_MTU);
}
end_synchronized_op(sc, 0);
break;
case SIOCSIFFLAGS:
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4flg");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto fail;
}
if (ifp->if_flags & IFF_UP) {
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
flags = vi->if_flags;
if ((ifp->if_flags ^ flags) &
(IFF_PROMISC | IFF_ALLMULTI)) {
rc = update_mac_settings(ifp,
XGMAC_PROMISC | XGMAC_ALLMULTI);
}
} else {
rc = cxgbe_init_synchronized(vi);
}
vi->if_flags = ifp->if_flags;
} else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
rc = cxgbe_uninit_synchronized(vi);
}
end_synchronized_op(sc, 0);
break;
case SIOCADDMULTI:
case SIOCDELMULTI:
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4multi");
if (rc)
return (rc);
if (!hw_off_limits(sc) && ifp->if_drv_flags & IFF_DRV_RUNNING)
rc = update_mac_settings(ifp, XGMAC_MCADDRS);
end_synchronized_op(sc, 0);
break;
case SIOCSIFCAP:
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4cap");
if (rc)
return (rc);
mask = ifr->ifr_reqcap ^ ifp->if_capenable;
if (mask & IFCAP_TXCSUM) {
ifp->if_capenable ^= IFCAP_TXCSUM;
ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP);
if (IFCAP_TSO4 & ifp->if_capenable &&
!(IFCAP_TXCSUM & ifp->if_capenable)) {
mask &= ~IFCAP_TSO4;
ifp->if_capenable &= ~IFCAP_TSO4;
if_printf(ifp,
"tso4 disabled due to -txcsum.\n");
}
}
if (mask & IFCAP_TXCSUM_IPV6) {
ifp->if_capenable ^= IFCAP_TXCSUM_IPV6;
ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6);
if (IFCAP_TSO6 & ifp->if_capenable &&
!(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
mask &= ~IFCAP_TSO6;
ifp->if_capenable &= ~IFCAP_TSO6;
if_printf(ifp,
"tso6 disabled due to -txcsum6.\n");
}
}
if (mask & IFCAP_RXCSUM)
ifp->if_capenable ^= IFCAP_RXCSUM;
if (mask & IFCAP_RXCSUM_IPV6)
ifp->if_capenable ^= IFCAP_RXCSUM_IPV6;
/*
* Note that we leave CSUM_TSO alone (it is always set). The
* kernel takes both IFCAP_TSOx and CSUM_TSO into account before
* sending a TSO request our way, so it's sufficient to toggle
* IFCAP_TSOx only.
*/
if (mask & IFCAP_TSO4) {
if (!(IFCAP_TSO4 & ifp->if_capenable) &&
!(IFCAP_TXCSUM & ifp->if_capenable)) {
if_printf(ifp, "enable txcsum first.\n");
rc = EAGAIN;
goto fail;
}
ifp->if_capenable ^= IFCAP_TSO4;
}
if (mask & IFCAP_TSO6) {
if (!(IFCAP_TSO6 & ifp->if_capenable) &&
!(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) {
if_printf(ifp, "enable txcsum6 first.\n");
rc = EAGAIN;
goto fail;
}
ifp->if_capenable ^= IFCAP_TSO6;
}
if (mask & IFCAP_LRO) {
#if defined(INET) || defined(INET6)
int i;
struct sge_rxq *rxq;
ifp->if_capenable ^= IFCAP_LRO;
for_each_rxq(vi, i, rxq) {
if (ifp->if_capenable & IFCAP_LRO)
rxq->iq.flags |= IQ_LRO_ENABLED;
else
rxq->iq.flags &= ~IQ_LRO_ENABLED;
}
#endif
}
#ifdef TCP_OFFLOAD
if (mask & IFCAP_TOE) {
int enable = (ifp->if_capenable ^ mask) & IFCAP_TOE;
rc = toe_capability(vi, enable);
if (rc != 0)
goto fail;
ifp->if_capenable ^= mask;
}
#endif
if (mask & IFCAP_VLAN_HWTAGGING) {
ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING;
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
rc = update_mac_settings(ifp, XGMAC_VLANEX);
}
if (mask & IFCAP_VLAN_MTU) {
ifp->if_capenable ^= IFCAP_VLAN_MTU;
/* Need to find out how to disable auto-mtu-inflation */
}
if (mask & IFCAP_VLAN_HWTSO)
ifp->if_capenable ^= IFCAP_VLAN_HWTSO;
if (mask & IFCAP_VLAN_HWCSUM)
ifp->if_capenable ^= IFCAP_VLAN_HWCSUM;
#ifdef RATELIMIT
if (mask & IFCAP_TXRTLMT)
ifp->if_capenable ^= IFCAP_TXRTLMT;
#endif
if (mask & IFCAP_HWRXTSTMP) {
int i;
struct sge_rxq *rxq;
ifp->if_capenable ^= IFCAP_HWRXTSTMP;
for_each_rxq(vi, i, rxq) {
if (ifp->if_capenable & IFCAP_HWRXTSTMP)
rxq->iq.flags |= IQ_RX_TIMESTAMP;
else
rxq->iq.flags &= ~IQ_RX_TIMESTAMP;
}
}
if (mask & IFCAP_MEXTPG)
ifp->if_capenable ^= IFCAP_MEXTPG;
#ifdef KERN_TLS
if (mask & IFCAP_TXTLS) {
int enable = (ifp->if_capenable ^ mask) & IFCAP_TXTLS;
rc = ktls_capability(sc, enable);
if (rc != 0)
goto fail;
ifp->if_capenable ^= (mask & IFCAP_TXTLS);
}
#endif
if (mask & IFCAP_VXLAN_HWCSUM) {
ifp->if_capenable ^= IFCAP_VXLAN_HWCSUM;
ifp->if_hwassist ^= CSUM_INNER_IP6_UDP |
CSUM_INNER_IP6_TCP | CSUM_INNER_IP |
CSUM_INNER_IP_UDP | CSUM_INNER_IP_TCP;
}
if (mask & IFCAP_VXLAN_HWTSO) {
ifp->if_capenable ^= IFCAP_VXLAN_HWTSO;
ifp->if_hwassist ^= CSUM_INNER_IP6_TSO |
CSUM_INNER_IP_TSO;
}
#ifdef VLAN_CAPABILITIES
VLAN_CAPABILITIES(ifp);
#endif
fail:
end_synchronized_op(sc, 0);
break;
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
case SIOCGIFXMEDIA:
ifmedia_ioctl(ifp, ifr, &pi->media, cmd);
break;
case SIOCGI2C: {
struct ifi2creq i2c;
rc = copyin(ifr_data_get_ptr(ifr), &i2c, sizeof(i2c));
if (rc != 0)
break;
if (i2c.dev_addr != 0xA0 && i2c.dev_addr != 0xA2) {
rc = EPERM;
break;
}
if (i2c.len > sizeof(i2c.data)) {
rc = EINVAL;
break;
}
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4i2c");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = -t4_i2c_rd(sc, sc->mbox, pi->port_id, i2c.dev_addr,
i2c.offset, i2c.len, &i2c.data[0]);
end_synchronized_op(sc, 0);
if (rc == 0)
rc = copyout(&i2c, ifr_data_get_ptr(ifr), sizeof(i2c));
break;
}
default:
rc = ether_ioctl(ifp, cmd, data);
}
return (rc);
}
static int
cxgbe_transmit(struct ifnet *ifp, struct mbuf *m)
{
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct adapter *sc;
struct sge_txq *txq;
void *items[1];
int rc;
M_ASSERTPKTHDR(m);
MPASS(m->m_nextpkt == NULL); /* not quite ready for this yet */
#if defined(KERN_TLS) || defined(RATELIMIT)
if (m->m_pkthdr.csum_flags & CSUM_SND_TAG)
MPASS(m->m_pkthdr.snd_tag->ifp == ifp);
#endif
if (__predict_false(pi->link_cfg.link_ok == false)) {
m_freem(m);
return (ENETDOWN);
}
rc = parse_pkt(&m, vi->flags & TX_USES_VM_WR);
if (__predict_false(rc != 0)) {
MPASS(m == NULL); /* was freed already */
atomic_add_int(&pi->tx_parse_error, 1); /* rare, atomic is ok */
return (rc);
}
#ifdef RATELIMIT
if (m->m_pkthdr.csum_flags & CSUM_SND_TAG) {
if (m->m_pkthdr.snd_tag->type == IF_SND_TAG_TYPE_RATE_LIMIT)
return (ethofld_transmit(ifp, m));
}
#endif
/* Select a txq. */
sc = vi->adapter;
txq = &sc->sge.txq[vi->first_txq];
if (M_HASHTYPE_GET(m) != M_HASHTYPE_NONE)
txq += ((m->m_pkthdr.flowid % (vi->ntxq - vi->rsrv_noflowq)) +
vi->rsrv_noflowq);
items[0] = m;
rc = mp_ring_enqueue(txq->r, items, 1, 256);
if (__predict_false(rc != 0))
m_freem(m);
return (rc);
}
static void
cxgbe_qflush(struct ifnet *ifp)
{
struct vi_info *vi = ifp->if_softc;
struct sge_txq *txq;
int i;
/* queues do not exist if !VI_INIT_DONE. */
if (vi->flags & VI_INIT_DONE) {
for_each_txq(vi, i, txq) {
TXQ_LOCK(txq);
txq->eq.flags |= EQ_QFLUSH;
TXQ_UNLOCK(txq);
while (!mp_ring_is_idle(txq->r)) {
mp_ring_check_drainage(txq->r, 4096);
pause("qflush", 1);
}
TXQ_LOCK(txq);
txq->eq.flags &= ~EQ_QFLUSH;
TXQ_UNLOCK(txq);
}
}
if_qflush(ifp);
}
static uint64_t
vi_get_counter(struct ifnet *ifp, ift_counter c)
{
struct vi_info *vi = ifp->if_softc;
struct fw_vi_stats_vf *s = &vi->stats;
mtx_lock(&vi->tick_mtx);
vi_refresh_stats(vi);
mtx_unlock(&vi->tick_mtx);
switch (c) {
case IFCOUNTER_IPACKETS:
return (s->rx_bcast_frames + s->rx_mcast_frames +
s->rx_ucast_frames);
case IFCOUNTER_IERRORS:
return (s->rx_err_frames);
case IFCOUNTER_OPACKETS:
return (s->tx_bcast_frames + s->tx_mcast_frames +
s->tx_ucast_frames + s->tx_offload_frames);
case IFCOUNTER_OERRORS:
return (s->tx_drop_frames);
case IFCOUNTER_IBYTES:
return (s->rx_bcast_bytes + s->rx_mcast_bytes +
s->rx_ucast_bytes);
case IFCOUNTER_OBYTES:
return (s->tx_bcast_bytes + s->tx_mcast_bytes +
s->tx_ucast_bytes + s->tx_offload_bytes);
case IFCOUNTER_IMCASTS:
return (s->rx_mcast_frames);
case IFCOUNTER_OMCASTS:
return (s->tx_mcast_frames);
case IFCOUNTER_OQDROPS: {
uint64_t drops;
drops = 0;
if (vi->flags & VI_INIT_DONE) {
int i;
struct sge_txq *txq;
for_each_txq(vi, i, txq)
drops += counter_u64_fetch(txq->r->dropped);
}
return (drops);
}
default:
return (if_get_counter_default(ifp, c));
}
}
static uint64_t
cxgbe_get_counter(struct ifnet *ifp, ift_counter c)
{
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct port_stats *s = &pi->stats;
mtx_lock(&vi->tick_mtx);
cxgbe_refresh_stats(vi);
mtx_unlock(&vi->tick_mtx);
switch (c) {
case IFCOUNTER_IPACKETS:
return (s->rx_frames);
case IFCOUNTER_IERRORS:
return (s->rx_jabber + s->rx_runt + s->rx_too_long +
s->rx_fcs_err + s->rx_len_err);
case IFCOUNTER_OPACKETS:
return (s->tx_frames);
case IFCOUNTER_OERRORS:
return (s->tx_error_frames);
case IFCOUNTER_IBYTES:
return (s->rx_octets);
case IFCOUNTER_OBYTES:
return (s->tx_octets);
case IFCOUNTER_IMCASTS:
return (s->rx_mcast_frames);
case IFCOUNTER_OMCASTS:
return (s->tx_mcast_frames);
case IFCOUNTER_IQDROPS:
return (s->rx_ovflow0 + s->rx_ovflow1 + s->rx_ovflow2 +
s->rx_ovflow3 + s->rx_trunc0 + s->rx_trunc1 + s->rx_trunc2 +
s->rx_trunc3 + pi->tnl_cong_drops);
case IFCOUNTER_OQDROPS: {
uint64_t drops;
drops = s->tx_drop;
if (vi->flags & VI_INIT_DONE) {
int i;
struct sge_txq *txq;
for_each_txq(vi, i, txq)
drops += counter_u64_fetch(txq->r->dropped);
}
return (drops);
}
default:
return (if_get_counter_default(ifp, c));
}
}
#if defined(KERN_TLS) || defined(RATELIMIT)
static int
cxgbe_snd_tag_alloc(struct ifnet *ifp, union if_snd_tag_alloc_params *params,
struct m_snd_tag **pt)
{
int error;
switch (params->hdr.type) {
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_RATE_LIMIT:
error = cxgbe_rate_tag_alloc(ifp, params, pt);
break;
#endif
#ifdef KERN_TLS
case IF_SND_TAG_TYPE_TLS:
error = cxgbe_tls_tag_alloc(ifp, params, pt);
break;
#endif
default:
error = EOPNOTSUPP;
}
return (error);
}
static int
cxgbe_snd_tag_modify(struct m_snd_tag *mst,
union if_snd_tag_modify_params *params)
{
switch (mst->type) {
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_RATE_LIMIT:
return (cxgbe_rate_tag_modify(mst, params));
#endif
default:
return (EOPNOTSUPP);
}
}
static int
cxgbe_snd_tag_query(struct m_snd_tag *mst,
union if_snd_tag_query_params *params)
{
switch (mst->type) {
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_RATE_LIMIT:
return (cxgbe_rate_tag_query(mst, params));
#endif
default:
return (EOPNOTSUPP);
}
}
static void
cxgbe_snd_tag_free(struct m_snd_tag *mst)
{
switch (mst->type) {
#ifdef RATELIMIT
case IF_SND_TAG_TYPE_RATE_LIMIT:
cxgbe_rate_tag_free(mst);
return;
#endif
#ifdef KERN_TLS
case IF_SND_TAG_TYPE_TLS:
cxgbe_tls_tag_free(mst);
return;
#endif
default:
panic("shouldn't get here");
}
}
#endif
/*
* The kernel picks a media from the list we had provided but we still validate
* the requeste.
*/
int
cxgbe_media_change(struct ifnet *ifp)
{
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct ifmedia *ifm = &pi->media;
struct link_config *lc = &pi->link_cfg;
struct adapter *sc = pi->adapter;
int rc;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4mec");
if (rc != 0)
return (rc);
PORT_LOCK(pi);
if (IFM_SUBTYPE(ifm->ifm_media) == IFM_AUTO) {
/* ifconfig .. media autoselect */
if (!(lc->pcaps & FW_PORT_CAP32_ANEG)) {
rc = ENOTSUP; /* AN not supported by transceiver */
goto done;
}
lc->requested_aneg = AUTONEG_ENABLE;
lc->requested_speed = 0;
lc->requested_fc |= PAUSE_AUTONEG;
} else {
lc->requested_aneg = AUTONEG_DISABLE;
lc->requested_speed =
ifmedia_baudrate(ifm->ifm_media) / 1000000;
lc->requested_fc = 0;
if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_RXPAUSE)
lc->requested_fc |= PAUSE_RX;
if (IFM_OPTIONS(ifm->ifm_media) & IFM_ETH_TXPAUSE)
lc->requested_fc |= PAUSE_TX;
}
if (pi->up_vis > 0) {
fixup_link_config(pi);
rc = apply_link_config(pi);
}
done:
PORT_UNLOCK(pi);
end_synchronized_op(sc, 0);
return (rc);
}
/*
* Base media word (without ETHER, pause, link active, etc.) for the port at the
* given speed.
*/
static int
port_mword(struct port_info *pi, uint32_t speed)
{
MPASS(speed & M_FW_PORT_CAP32_SPEED);
MPASS(powerof2(speed));
switch(pi->port_type) {
case FW_PORT_TYPE_BT_SGMII:
case FW_PORT_TYPE_BT_XFI:
case FW_PORT_TYPE_BT_XAUI:
/* BaseT */
switch (speed) {
case FW_PORT_CAP32_SPEED_100M:
return (IFM_100_T);
case FW_PORT_CAP32_SPEED_1G:
return (IFM_1000_T);
case FW_PORT_CAP32_SPEED_10G:
return (IFM_10G_T);
}
break;
case FW_PORT_TYPE_KX4:
if (speed == FW_PORT_CAP32_SPEED_10G)
return (IFM_10G_KX4);
break;
case FW_PORT_TYPE_CX4:
if (speed == FW_PORT_CAP32_SPEED_10G)
return (IFM_10G_CX4);
break;
case FW_PORT_TYPE_KX:
if (speed == FW_PORT_CAP32_SPEED_1G)
return (IFM_1000_KX);
break;
case FW_PORT_TYPE_KR:
case FW_PORT_TYPE_BP_AP:
case FW_PORT_TYPE_BP4_AP:
case FW_PORT_TYPE_BP40_BA:
case FW_PORT_TYPE_KR4_100G:
case FW_PORT_TYPE_KR_SFP28:
case FW_PORT_TYPE_KR_XLAUI:
switch (speed) {
case FW_PORT_CAP32_SPEED_1G:
return (IFM_1000_KX);
case FW_PORT_CAP32_SPEED_10G:
return (IFM_10G_KR);
case FW_PORT_CAP32_SPEED_25G:
return (IFM_25G_KR);
case FW_PORT_CAP32_SPEED_40G:
return (IFM_40G_KR4);
case FW_PORT_CAP32_SPEED_50G:
return (IFM_50G_KR2);
case FW_PORT_CAP32_SPEED_100G:
return (IFM_100G_KR4);
}
break;
case FW_PORT_TYPE_FIBER_XFI:
case FW_PORT_TYPE_FIBER_XAUI:
case FW_PORT_TYPE_SFP:
case FW_PORT_TYPE_QSFP_10G:
case FW_PORT_TYPE_QSA:
case FW_PORT_TYPE_QSFP:
case FW_PORT_TYPE_CR4_QSFP:
case FW_PORT_TYPE_CR_QSFP:
case FW_PORT_TYPE_CR2_QSFP:
case FW_PORT_TYPE_SFP28:
/* Pluggable transceiver */
switch (pi->mod_type) {
case FW_PORT_MOD_TYPE_LR:
switch (speed) {
case FW_PORT_CAP32_SPEED_1G:
return (IFM_1000_LX);
case FW_PORT_CAP32_SPEED_10G:
return (IFM_10G_LR);
case FW_PORT_CAP32_SPEED_25G:
return (IFM_25G_LR);
case FW_PORT_CAP32_SPEED_40G:
return (IFM_40G_LR4);
case FW_PORT_CAP32_SPEED_50G:
return (IFM_50G_LR2);
case FW_PORT_CAP32_SPEED_100G:
return (IFM_100G_LR4);
}
break;
case FW_PORT_MOD_TYPE_SR:
switch (speed) {
case FW_PORT_CAP32_SPEED_1G:
return (IFM_1000_SX);
case FW_PORT_CAP32_SPEED_10G:
return (IFM_10G_SR);
case FW_PORT_CAP32_SPEED_25G:
return (IFM_25G_SR);
case FW_PORT_CAP32_SPEED_40G:
return (IFM_40G_SR4);
case FW_PORT_CAP32_SPEED_50G:
return (IFM_50G_SR2);
case FW_PORT_CAP32_SPEED_100G:
return (IFM_100G_SR4);
}
break;
case FW_PORT_MOD_TYPE_ER:
if (speed == FW_PORT_CAP32_SPEED_10G)
return (IFM_10G_ER);
break;
case FW_PORT_MOD_TYPE_TWINAX_PASSIVE:
case FW_PORT_MOD_TYPE_TWINAX_ACTIVE:
switch (speed) {
case FW_PORT_CAP32_SPEED_1G:
return (IFM_1000_CX);
case FW_PORT_CAP32_SPEED_10G:
return (IFM_10G_TWINAX);
case FW_PORT_CAP32_SPEED_25G:
return (IFM_25G_CR);
case FW_PORT_CAP32_SPEED_40G:
return (IFM_40G_CR4);
case FW_PORT_CAP32_SPEED_50G:
return (IFM_50G_CR2);
case FW_PORT_CAP32_SPEED_100G:
return (IFM_100G_CR4);
}
break;
case FW_PORT_MOD_TYPE_LRM:
if (speed == FW_PORT_CAP32_SPEED_10G)
return (IFM_10G_LRM);
break;
case FW_PORT_MOD_TYPE_NA:
MPASS(0); /* Not pluggable? */
/* fall throough */
case FW_PORT_MOD_TYPE_ERROR:
case FW_PORT_MOD_TYPE_UNKNOWN:
case FW_PORT_MOD_TYPE_NOTSUPPORTED:
break;
case FW_PORT_MOD_TYPE_NONE:
return (IFM_NONE);
}
break;
case FW_PORT_TYPE_NONE:
return (IFM_NONE);
}
return (IFM_UNKNOWN);
}
void
cxgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4med") != 0)
return;
PORT_LOCK(pi);
if (pi->up_vis == 0) {
/*
* If all the interfaces are administratively down the firmware
* does not report transceiver changes. Refresh port info here
* so that ifconfig displays accurate ifmedia at all times.
* This is the only reason we have a synchronized op in this
* function. Just PORT_LOCK would have been enough otherwise.
*/
t4_update_port_info(pi);
build_medialist(pi);
}
/* ifm_status */
ifmr->ifm_status = IFM_AVALID;
if (lc->link_ok == false)
goto done;
ifmr->ifm_status |= IFM_ACTIVE;
/* ifm_active */
ifmr->ifm_active = IFM_ETHER | IFM_FDX;
ifmr->ifm_active &= ~(IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE);
if (lc->fc & PAUSE_RX)
ifmr->ifm_active |= IFM_ETH_RXPAUSE;
if (lc->fc & PAUSE_TX)
ifmr->ifm_active |= IFM_ETH_TXPAUSE;
ifmr->ifm_active |= port_mword(pi, speed_to_fwcap(lc->speed));
done:
PORT_UNLOCK(pi);
end_synchronized_op(sc, 0);
}
static int
vcxgbe_probe(device_t dev)
{
char buf[128];
struct vi_info *vi = device_get_softc(dev);
snprintf(buf, sizeof(buf), "port %d vi %td", vi->pi->port_id,
vi - vi->pi->vi);
device_set_desc_copy(dev, buf);
return (BUS_PROBE_DEFAULT);
}
static int
alloc_extra_vi(struct adapter *sc, struct port_info *pi, struct vi_info *vi)
{
int func, index, rc;
uint32_t param, val;
ASSERT_SYNCHRONIZED_OP(sc);
index = vi - pi->vi;
MPASS(index > 0); /* This function deals with _extra_ VIs only */
KASSERT(index < nitems(vi_mac_funcs),
("%s: VI %s doesn't have a MAC func", __func__,
device_get_nameunit(vi->dev)));
func = vi_mac_funcs[index];
rc = t4_alloc_vi_func(sc, sc->mbox, pi->tx_chan, sc->pf, 0, 1,
vi->hw_addr, &vi->rss_size, &vi->vfvld, &vi->vin, func, 0);
if (rc < 0) {
CH_ERR(vi, "failed to allocate virtual interface %d"
"for port %d: %d\n", index, pi->port_id, -rc);
return (-rc);
}
vi->viid = rc;
if (vi->rss_size == 1) {
/*
* This VI didn't get a slice of the RSS table. Reduce the
* number of VIs being created (hw.cxgbe.num_vis) or modify the
* configuration file (nvi, rssnvi for this PF) if this is a
* problem.
*/
device_printf(vi->dev, "RSS table not available.\n");
vi->rss_base = 0xffff;
return (0);
}
param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_RSSINFO) |
V_FW_PARAMS_PARAM_YZ(vi->viid);
rc = t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
if (rc)
vi->rss_base = 0xffff;
else {
MPASS((val >> 16) == vi->rss_size);
vi->rss_base = val & 0xffff;
}
return (0);
}
static int
vcxgbe_attach(device_t dev)
{
struct vi_info *vi;
struct port_info *pi;
struct adapter *sc;
int rc;
vi = device_get_softc(dev);
pi = vi->pi;
sc = pi->adapter;
rc = begin_synchronized_op(sc, vi, SLEEP_OK | INTR_OK, "t4via");
if (rc)
return (rc);
rc = alloc_extra_vi(sc, pi, vi);
end_synchronized_op(sc, 0);
if (rc)
return (rc);
rc = cxgbe_vi_attach(dev, vi);
if (rc) {
t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid);
return (rc);
}
return (0);
}
static int
vcxgbe_detach(device_t dev)
{
struct vi_info *vi;
struct adapter *sc;
vi = device_get_softc(dev);
sc = vi->adapter;
doom_vi(sc, vi);
cxgbe_vi_detach(vi);
t4_free_vi(sc, sc->mbox, sc->pf, 0, vi->viid);
end_synchronized_op(sc, 0);
return (0);
}
static struct callout fatal_callout;
static struct taskqueue *reset_tq;
static void
delayed_panic(void *arg)
{
struct adapter *sc = arg;
panic("%s: panic on fatal error", device_get_nameunit(sc->dev));
}
void
t4_fatal_err(struct adapter *sc, bool fw_error)
{
t4_shutdown_adapter(sc);
log(LOG_ALERT, "%s: encountered fatal error, adapter stopped.\n",
device_get_nameunit(sc->dev));
if (fw_error) {
if (sc->flags & CHK_MBOX_ACCESS)
ASSERT_SYNCHRONIZED_OP(sc);
sc->flags |= ADAP_ERR;
} else {
ADAPTER_LOCK(sc);
sc->flags |= ADAP_ERR;
ADAPTER_UNLOCK(sc);
}
#ifdef TCP_OFFLOAD
taskqueue_enqueue(taskqueue_thread, &sc->async_event_task);
#endif
if (t4_panic_on_fatal_err) {
CH_ALERT(sc, "panicking on fatal error (after 30s).\n");
callout_reset(&fatal_callout, hz * 30, delayed_panic, sc);
} else if (t4_reset_on_fatal_err) {
CH_ALERT(sc, "resetting on fatal error.\n");
taskqueue_enqueue(reset_tq, &sc->reset_task);
}
}
void
t4_add_adapter(struct adapter *sc)
{
sx_xlock(&t4_list_lock);
SLIST_INSERT_HEAD(&t4_list, sc, link);
sx_xunlock(&t4_list_lock);
}
int
t4_map_bars_0_and_4(struct adapter *sc)
{
sc->regs_rid = PCIR_BAR(0);
sc->regs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
&sc->regs_rid, RF_ACTIVE);
if (sc->regs_res == NULL) {
device_printf(sc->dev, "cannot map registers.\n");
return (ENXIO);
}
sc->bt = rman_get_bustag(sc->regs_res);
sc->bh = rman_get_bushandle(sc->regs_res);
sc->mmio_len = rman_get_size(sc->regs_res);
setbit(&sc->doorbells, DOORBELL_KDB);
sc->msix_rid = PCIR_BAR(4);
sc->msix_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
&sc->msix_rid, RF_ACTIVE);
if (sc->msix_res == NULL) {
device_printf(sc->dev, "cannot map MSI-X BAR.\n");
return (ENXIO);
}
return (0);
}
int
t4_map_bar_2(struct adapter *sc)
{
/*
* T4: only iWARP driver uses the userspace doorbells. There is no need
* to map it if RDMA is disabled.
*/
if (is_t4(sc) && sc->rdmacaps == 0)
return (0);
sc->udbs_rid = PCIR_BAR(2);
sc->udbs_res = bus_alloc_resource_any(sc->dev, SYS_RES_MEMORY,
&sc->udbs_rid, RF_ACTIVE);
if (sc->udbs_res == NULL) {
device_printf(sc->dev, "cannot map doorbell BAR.\n");
return (ENXIO);
}
sc->udbs_base = rman_get_virtual(sc->udbs_res);
if (chip_id(sc) >= CHELSIO_T5) {
setbit(&sc->doorbells, DOORBELL_UDB);
#if defined(__i386__) || defined(__amd64__)
if (t5_write_combine) {
int rc, mode;
/*
* Enable write combining on BAR2. This is the
* userspace doorbell BAR and is split into 128B
* (UDBS_SEG_SIZE) doorbell regions, each associated
* with an egress queue. The first 64B has the doorbell
* and the second 64B can be used to submit a tx work
* request with an implicit doorbell.
*/
rc = pmap_change_attr((vm_offset_t)sc->udbs_base,
rman_get_size(sc->udbs_res), PAT_WRITE_COMBINING);
if (rc == 0) {
clrbit(&sc->doorbells, DOORBELL_UDB);
setbit(&sc->doorbells, DOORBELL_WCWR);
setbit(&sc->doorbells, DOORBELL_UDBWC);
} else {
device_printf(sc->dev,
"couldn't enable write combining: %d\n",
rc);
}
mode = is_t5(sc) ? V_STATMODE(0) : V_T6_STATMODE(0);
t4_write_reg(sc, A_SGE_STAT_CFG,
V_STATSOURCE_T5(7) | mode);
}
#endif
}
sc->iwt.wc_en = isset(&sc->doorbells, DOORBELL_UDBWC) ? 1 : 0;
return (0);
}
struct memwin_init {
uint32_t base;
uint32_t aperture;
};
static const struct memwin_init t4_memwin[NUM_MEMWIN] = {
{ MEMWIN0_BASE, MEMWIN0_APERTURE },
{ MEMWIN1_BASE, MEMWIN1_APERTURE },
{ MEMWIN2_BASE_T4, MEMWIN2_APERTURE_T4 }
};
static const struct memwin_init t5_memwin[NUM_MEMWIN] = {
{ MEMWIN0_BASE, MEMWIN0_APERTURE },
{ MEMWIN1_BASE, MEMWIN1_APERTURE },
{ MEMWIN2_BASE_T5, MEMWIN2_APERTURE_T5 },
};
static void
setup_memwin(struct adapter *sc)
{
const struct memwin_init *mw_init;
struct memwin *mw;
int i;
uint32_t bar0;
if (is_t4(sc)) {
/*
* Read low 32b of bar0 indirectly via the hardware backdoor
* mechanism. Works from within PCI passthrough environments
* too, where rman_get_start() can return a different value. We
* need to program the T4 memory window decoders with the actual
* addresses that will be coming across the PCIe link.
*/
bar0 = t4_hw_pci_read_cfg4(sc, PCIR_BAR(0));
bar0 &= (uint32_t) PCIM_BAR_MEM_BASE;
mw_init = &t4_memwin[0];
} else {
/* T5+ use the relative offset inside the PCIe BAR */
bar0 = 0;
mw_init = &t5_memwin[0];
}
for (i = 0, mw = &sc->memwin[0]; i < NUM_MEMWIN; i++, mw_init++, mw++) {
if (!rw_initialized(&mw->mw_lock)) {
rw_init(&mw->mw_lock, "memory window access");
mw->mw_base = mw_init->base;
mw->mw_aperture = mw_init->aperture;
mw->mw_curpos = 0;
}
t4_write_reg(sc,
PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, i),
(mw->mw_base + bar0) | V_BIR(0) |
V_WINDOW(ilog2(mw->mw_aperture) - 10));
rw_wlock(&mw->mw_lock);
position_memwin(sc, i, mw->mw_curpos);
rw_wunlock(&mw->mw_lock);
}
/* flush */
t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 2));
}
/*
* Positions the memory window at the given address in the card's address space.
* There are some alignment requirements and the actual position may be at an
* address prior to the requested address. mw->mw_curpos always has the actual
* position of the window.
*/
static void
position_memwin(struct adapter *sc, int idx, uint32_t addr)
{
struct memwin *mw;
uint32_t pf;
uint32_t reg;
MPASS(idx >= 0 && idx < NUM_MEMWIN);
mw = &sc->memwin[idx];
rw_assert(&mw->mw_lock, RA_WLOCKED);
if (is_t4(sc)) {
pf = 0;
mw->mw_curpos = addr & ~0xf; /* start must be 16B aligned */
} else {
pf = V_PFNUM(sc->pf);
mw->mw_curpos = addr & ~0x7f; /* start must be 128B aligned */
}
reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, idx);
t4_write_reg(sc, reg, mw->mw_curpos | pf);
t4_read_reg(sc, reg); /* flush */
}
int
rw_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
int len, int rw)
{
struct memwin *mw;
uint32_t mw_end, v;
MPASS(idx >= 0 && idx < NUM_MEMWIN);
/* Memory can only be accessed in naturally aligned 4 byte units */
if (addr & 3 || len & 3 || len <= 0)
return (EINVAL);
mw = &sc->memwin[idx];
while (len > 0) {
rw_rlock(&mw->mw_lock);
mw_end = mw->mw_curpos + mw->mw_aperture;
if (addr >= mw_end || addr < mw->mw_curpos) {
/* Will need to reposition the window */
if (!rw_try_upgrade(&mw->mw_lock)) {
rw_runlock(&mw->mw_lock);
rw_wlock(&mw->mw_lock);
}
rw_assert(&mw->mw_lock, RA_WLOCKED);
position_memwin(sc, idx, addr);
rw_downgrade(&mw->mw_lock);
mw_end = mw->mw_curpos + mw->mw_aperture;
}
rw_assert(&mw->mw_lock, RA_RLOCKED);
while (addr < mw_end && len > 0) {
if (rw == 0) {
v = t4_read_reg(sc, mw->mw_base + addr -
mw->mw_curpos);
*val++ = le32toh(v);
} else {
v = *val++;
t4_write_reg(sc, mw->mw_base + addr -
mw->mw_curpos, htole32(v));
}
addr += 4;
len -= 4;
}
rw_runlock(&mw->mw_lock);
}
return (0);
}
static void
t4_init_atid_table(struct adapter *sc)
{
struct tid_info *t;
int i;
t = &sc->tids;
if (t->natids == 0)
return;
MPASS(t->atid_tab == NULL);
t->atid_tab = malloc(t->natids * sizeof(*t->atid_tab), M_CXGBE,
M_ZERO | M_WAITOK);
mtx_init(&t->atid_lock, "atid lock", NULL, MTX_DEF);
t->afree = t->atid_tab;
t->atids_in_use = 0;
for (i = 1; i < t->natids; i++)
t->atid_tab[i - 1].next = &t->atid_tab[i];
t->atid_tab[t->natids - 1].next = NULL;
}
static void
t4_free_atid_table(struct adapter *sc)
{
struct tid_info *t;
t = &sc->tids;
KASSERT(t->atids_in_use == 0,
("%s: %d atids still in use.", __func__, t->atids_in_use));
if (mtx_initialized(&t->atid_lock))
mtx_destroy(&t->atid_lock);
free(t->atid_tab, M_CXGBE);
t->atid_tab = NULL;
}
int
alloc_atid(struct adapter *sc, void *ctx)
{
struct tid_info *t = &sc->tids;
int atid = -1;
mtx_lock(&t->atid_lock);
if (t->afree) {
union aopen_entry *p = t->afree;
atid = p - t->atid_tab;
MPASS(atid <= M_TID_TID);
t->afree = p->next;
p->data = ctx;
t->atids_in_use++;
}
mtx_unlock(&t->atid_lock);
return (atid);
}
void *
lookup_atid(struct adapter *sc, int atid)
{
struct tid_info *t = &sc->tids;
return (t->atid_tab[atid].data);
}
void
free_atid(struct adapter *sc, int atid)
{
struct tid_info *t = &sc->tids;
union aopen_entry *p = &t->atid_tab[atid];
mtx_lock(&t->atid_lock);
p->next = t->afree;
t->afree = p;
t->atids_in_use--;
mtx_unlock(&t->atid_lock);
}
static void
queue_tid_release(struct adapter *sc, int tid)
{
CXGBE_UNIMPLEMENTED("deferred tid release");
}
void
release_tid(struct adapter *sc, int tid, struct sge_wrq *ctrlq)
{
struct wrqe *wr;
struct cpl_tid_release *req;
wr = alloc_wrqe(sizeof(*req), ctrlq);
if (wr == NULL) {
queue_tid_release(sc, tid); /* defer */
return;
}
req = wrtod(wr);
INIT_TP_WR_MIT_CPL(req, CPL_TID_RELEASE, tid);
t4_wrq_tx(sc, wr);
}
static int
t4_range_cmp(const void *a, const void *b)
{
return ((const struct t4_range *)a)->start -
((const struct t4_range *)b)->start;
}
/*
* Verify that the memory range specified by the addr/len pair is valid within
* the card's address space.
*/
static int
validate_mem_range(struct adapter *sc, uint32_t addr, uint32_t len)
{
struct t4_range mem_ranges[4], *r, *next;
uint32_t em, addr_len;
int i, n, remaining;
/* Memory can only be accessed in naturally aligned 4 byte units */
if (addr & 3 || len & 3 || len == 0)
return (EINVAL);
/* Enabled memories */
em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
r = &mem_ranges[0];
n = 0;
bzero(r, sizeof(mem_ranges));
if (em & F_EDRAM0_ENABLE) {
addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR);
r->size = G_EDRAM0_SIZE(addr_len) << 20;
if (r->size > 0) {
r->start = G_EDRAM0_BASE(addr_len) << 20;
if (addr >= r->start &&
addr + len <= r->start + r->size)
return (0);
r++;
n++;
}
}
if (em & F_EDRAM1_ENABLE) {
addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR);
r->size = G_EDRAM1_SIZE(addr_len) << 20;
if (r->size > 0) {
r->start = G_EDRAM1_BASE(addr_len) << 20;
if (addr >= r->start &&
addr + len <= r->start + r->size)
return (0);
r++;
n++;
}
}
if (em & F_EXT_MEM_ENABLE) {
addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
r->size = G_EXT_MEM_SIZE(addr_len) << 20;
if (r->size > 0) {
r->start = G_EXT_MEM_BASE(addr_len) << 20;
if (addr >= r->start &&
addr + len <= r->start + r->size)
return (0);
r++;
n++;
}
}
if (is_t5(sc) && em & F_EXT_MEM1_ENABLE) {
addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
r->size = G_EXT_MEM1_SIZE(addr_len) << 20;
if (r->size > 0) {
r->start = G_EXT_MEM1_BASE(addr_len) << 20;
if (addr >= r->start &&
addr + len <= r->start + r->size)
return (0);
r++;
n++;
}
}
MPASS(n <= nitems(mem_ranges));
if (n > 1) {
/* Sort and merge the ranges. */
qsort(mem_ranges, n, sizeof(struct t4_range), t4_range_cmp);
/* Start from index 0 and examine the next n - 1 entries. */
r = &mem_ranges[0];
for (remaining = n - 1; remaining > 0; remaining--, r++) {
MPASS(r->size > 0); /* r is a valid entry. */
next = r + 1;
MPASS(next->size > 0); /* and so is the next one. */
while (r->start + r->size >= next->start) {
/* Merge the next one into the current entry. */
r->size = max(r->start + r->size,
next->start + next->size) - r->start;
n--; /* One fewer entry in total. */
if (--remaining == 0)
goto done; /* short circuit */
next++;
}
if (next != r + 1) {
/*
* Some entries were merged into r and next
* points to the first valid entry that couldn't
* be merged.
*/
MPASS(next->size > 0); /* must be valid */
memcpy(r + 1, next, remaining * sizeof(*r));
#ifdef INVARIANTS
/*
* This so that the foo->size assertion in the
* next iteration of the loop do the right
* thing for entries that were pulled up and are
* no longer valid.
*/
MPASS(n < nitems(mem_ranges));
bzero(&mem_ranges[n], (nitems(mem_ranges) - n) *
sizeof(struct t4_range));
#endif
}
}
done:
/* Done merging the ranges. */
MPASS(n > 0);
r = &mem_ranges[0];
for (i = 0; i < n; i++, r++) {
if (addr >= r->start &&
addr + len <= r->start + r->size)
return (0);
}
}
return (EFAULT);
}
static int
fwmtype_to_hwmtype(int mtype)
{
switch (mtype) {
case FW_MEMTYPE_EDC0:
return (MEM_EDC0);
case FW_MEMTYPE_EDC1:
return (MEM_EDC1);
case FW_MEMTYPE_EXTMEM:
return (MEM_MC0);
case FW_MEMTYPE_EXTMEM1:
return (MEM_MC1);
default:
panic("%s: cannot translate fw mtype %d.", __func__, mtype);
}
}
/*
* Verify that the memory range specified by the memtype/offset/len pair is
* valid and lies entirely within the memtype specified. The global address of
* the start of the range is returned in addr.
*/
static int
validate_mt_off_len(struct adapter *sc, int mtype, uint32_t off, uint32_t len,
uint32_t *addr)
{
uint32_t em, addr_len, maddr;
/* Memory can only be accessed in naturally aligned 4 byte units */
if (off & 3 || len & 3 || len == 0)
return (EINVAL);
em = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
switch (fwmtype_to_hwmtype(mtype)) {
case MEM_EDC0:
if (!(em & F_EDRAM0_ENABLE))
return (EINVAL);
addr_len = t4_read_reg(sc, A_MA_EDRAM0_BAR);
maddr = G_EDRAM0_BASE(addr_len) << 20;
break;
case MEM_EDC1:
if (!(em & F_EDRAM1_ENABLE))
return (EINVAL);
addr_len = t4_read_reg(sc, A_MA_EDRAM1_BAR);
maddr = G_EDRAM1_BASE(addr_len) << 20;
break;
case MEM_MC:
if (!(em & F_EXT_MEM_ENABLE))
return (EINVAL);
addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
maddr = G_EXT_MEM_BASE(addr_len) << 20;
break;
case MEM_MC1:
if (!is_t5(sc) || !(em & F_EXT_MEM1_ENABLE))
return (EINVAL);
addr_len = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
maddr = G_EXT_MEM1_BASE(addr_len) << 20;
break;
default:
return (EINVAL);
}
*addr = maddr + off; /* global address */
return (validate_mem_range(sc, *addr, len));
}
static int
fixup_devlog_params(struct adapter *sc)
{
struct devlog_params *dparams = &sc->params.devlog;
int rc;
rc = validate_mt_off_len(sc, dparams->memtype, dparams->start,
dparams->size, &dparams->addr);
return (rc);
}
static void
update_nirq(struct intrs_and_queues *iaq, int nports)
{
iaq->nirq = T4_EXTRA_INTR;
iaq->nirq += nports * max(iaq->nrxq, iaq->nnmrxq);
iaq->nirq += nports * iaq->nofldrxq;
iaq->nirq += nports * (iaq->num_vis - 1) *
max(iaq->nrxq_vi, iaq->nnmrxq_vi);
iaq->nirq += nports * (iaq->num_vis - 1) * iaq->nofldrxq_vi;
}
/*
* Adjust requirements to fit the number of interrupts available.
*/
static void
calculate_iaq(struct adapter *sc, struct intrs_and_queues *iaq, int itype,
int navail)
{
int old_nirq;
const int nports = sc->params.nports;
MPASS(nports > 0);
MPASS(navail > 0);
bzero(iaq, sizeof(*iaq));
iaq->intr_type = itype;
iaq->num_vis = t4_num_vis;
iaq->ntxq = t4_ntxq;
iaq->ntxq_vi = t4_ntxq_vi;
iaq->nrxq = t4_nrxq;
iaq->nrxq_vi = t4_nrxq_vi;
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
if (is_offload(sc) || is_ethoffload(sc)) {
iaq->nofldtxq = t4_nofldtxq;
iaq->nofldtxq_vi = t4_nofldtxq_vi;
}
#endif
#ifdef TCP_OFFLOAD
if (is_offload(sc)) {
iaq->nofldrxq = t4_nofldrxq;
iaq->nofldrxq_vi = t4_nofldrxq_vi;
}
#endif
#ifdef DEV_NETMAP
if (t4_native_netmap & NN_MAIN_VI) {
iaq->nnmtxq = t4_nnmtxq;
iaq->nnmrxq = t4_nnmrxq;
}
if (t4_native_netmap & NN_EXTRA_VI) {
iaq->nnmtxq_vi = t4_nnmtxq_vi;
iaq->nnmrxq_vi = t4_nnmrxq_vi;
}
#endif
update_nirq(iaq, nports);
if (iaq->nirq <= navail &&
(itype != INTR_MSI || powerof2(iaq->nirq))) {
/*
* This is the normal case -- there are enough interrupts for
* everything.
*/
goto done;
}
/*
* If extra VIs have been configured try reducing their count and see if
* that works.
*/
while (iaq->num_vis > 1) {
iaq->num_vis--;
update_nirq(iaq, nports);
if (iaq->nirq <= navail &&
(itype != INTR_MSI || powerof2(iaq->nirq))) {
device_printf(sc->dev, "virtual interfaces per port "
"reduced to %d from %d. nrxq=%u, nofldrxq=%u, "
"nrxq_vi=%u nofldrxq_vi=%u, nnmrxq_vi=%u. "
"itype %d, navail %u, nirq %d.\n",
iaq->num_vis, t4_num_vis, iaq->nrxq, iaq->nofldrxq,
iaq->nrxq_vi, iaq->nofldrxq_vi, iaq->nnmrxq_vi,
itype, navail, iaq->nirq);
goto done;
}
}
/*
* Extra VIs will not be created. Log a message if they were requested.
*/
MPASS(iaq->num_vis == 1);
iaq->ntxq_vi = iaq->nrxq_vi = 0;
iaq->nofldtxq_vi = iaq->nofldrxq_vi = 0;
iaq->nnmtxq_vi = iaq->nnmrxq_vi = 0;
if (iaq->num_vis != t4_num_vis) {
device_printf(sc->dev, "extra virtual interfaces disabled. "
"nrxq=%u, nofldrxq=%u, nrxq_vi=%u nofldrxq_vi=%u, "
"nnmrxq_vi=%u. itype %d, navail %u, nirq %d.\n",
iaq->nrxq, iaq->nofldrxq, iaq->nrxq_vi, iaq->nofldrxq_vi,
iaq->nnmrxq_vi, itype, navail, iaq->nirq);
}
/*
* Keep reducing the number of NIC rx queues to the next lower power of
* 2 (for even RSS distribution) and halving the TOE rx queues and see
* if that works.
*/
do {
if (iaq->nrxq > 1) {
do {
iaq->nrxq--;
} while (!powerof2(iaq->nrxq));
if (iaq->nnmrxq > iaq->nrxq)
iaq->nnmrxq = iaq->nrxq;
}
if (iaq->nofldrxq > 1)
iaq->nofldrxq >>= 1;
old_nirq = iaq->nirq;
update_nirq(iaq, nports);
if (iaq->nirq <= navail &&
(itype != INTR_MSI || powerof2(iaq->nirq))) {
device_printf(sc->dev, "running with reduced number of "
"rx queues because of shortage of interrupts. "
"nrxq=%u, nofldrxq=%u. "
"itype %d, navail %u, nirq %d.\n", iaq->nrxq,
iaq->nofldrxq, itype, navail, iaq->nirq);
goto done;
}
} while (old_nirq != iaq->nirq);
/* One interrupt for everything. Ugh. */
device_printf(sc->dev, "running with minimal number of queues. "
"itype %d, navail %u.\n", itype, navail);
iaq->nirq = 1;
iaq->nrxq = 1;
iaq->ntxq = 1;
if (iaq->nofldrxq > 0) {
iaq->nofldrxq = 1;
iaq->nofldtxq = 1;
}
iaq->nnmtxq = 0;
iaq->nnmrxq = 0;
done:
MPASS(iaq->num_vis > 0);
if (iaq->num_vis > 1) {
MPASS(iaq->nrxq_vi > 0);
MPASS(iaq->ntxq_vi > 0);
}
MPASS(iaq->nirq > 0);
MPASS(iaq->nrxq > 0);
MPASS(iaq->ntxq > 0);
if (itype == INTR_MSI) {
MPASS(powerof2(iaq->nirq));
}
}
static int
cfg_itype_and_nqueues(struct adapter *sc, struct intrs_and_queues *iaq)
{
int rc, itype, navail, nalloc;
for (itype = INTR_MSIX; itype; itype >>= 1) {
if ((itype & t4_intr_types) == 0)
continue; /* not allowed */
if (itype == INTR_MSIX)
navail = pci_msix_count(sc->dev);
else if (itype == INTR_MSI)
navail = pci_msi_count(sc->dev);
else
navail = 1;
restart:
if (navail == 0)
continue;
calculate_iaq(sc, iaq, itype, navail);
nalloc = iaq->nirq;
rc = 0;
if (itype == INTR_MSIX)
rc = pci_alloc_msix(sc->dev, &nalloc);
else if (itype == INTR_MSI)
rc = pci_alloc_msi(sc->dev, &nalloc);
if (rc == 0 && nalloc > 0) {
if (nalloc == iaq->nirq)
return (0);
/*
* Didn't get the number requested. Use whatever number
* the kernel is willing to allocate.
*/
device_printf(sc->dev, "fewer vectors than requested, "
"type=%d, req=%d, rcvd=%d; will downshift req.\n",
itype, iaq->nirq, nalloc);
pci_release_msi(sc->dev);
navail = nalloc;
goto restart;
}
device_printf(sc->dev,
"failed to allocate vectors:%d, type=%d, req=%d, rcvd=%d\n",
itype, rc, iaq->nirq, nalloc);
}
device_printf(sc->dev,
"failed to find a usable interrupt type. "
"allowed=%d, msi-x=%d, msi=%d, intx=1", t4_intr_types,
pci_msix_count(sc->dev), pci_msi_count(sc->dev));
return (ENXIO);
}
#define FW_VERSION(chip) ( \
V_FW_HDR_FW_VER_MAJOR(chip##FW_VERSION_MAJOR) | \
V_FW_HDR_FW_VER_MINOR(chip##FW_VERSION_MINOR) | \
V_FW_HDR_FW_VER_MICRO(chip##FW_VERSION_MICRO) | \
V_FW_HDR_FW_VER_BUILD(chip##FW_VERSION_BUILD))
#define FW_INTFVER(chip, intf) (chip##FW_HDR_INTFVER_##intf)
/* Just enough of fw_hdr to cover all version info. */
struct fw_h {
__u8 ver;
__u8 chip;
__be16 len512;
__be32 fw_ver;
__be32 tp_microcode_ver;
__u8 intfver_nic;
__u8 intfver_vnic;
__u8 intfver_ofld;
__u8 intfver_ri;
__u8 intfver_iscsipdu;
__u8 intfver_iscsi;
__u8 intfver_fcoepdu;
__u8 intfver_fcoe;
};
/* Spot check a couple of fields. */
CTASSERT(offsetof(struct fw_h, fw_ver) == offsetof(struct fw_hdr, fw_ver));
CTASSERT(offsetof(struct fw_h, intfver_nic) == offsetof(struct fw_hdr, intfver_nic));
CTASSERT(offsetof(struct fw_h, intfver_fcoe) == offsetof(struct fw_hdr, intfver_fcoe));
struct fw_info {
uint8_t chip;
char *kld_name;
char *fw_mod_name;
struct fw_h fw_h;
} fw_info[] = {
{
.chip = CHELSIO_T4,
.kld_name = "t4fw_cfg",
.fw_mod_name = "t4fw",
.fw_h = {
.chip = FW_HDR_CHIP_T4,
.fw_ver = htobe32(FW_VERSION(T4)),
.intfver_nic = FW_INTFVER(T4, NIC),
.intfver_vnic = FW_INTFVER(T4, VNIC),
.intfver_ofld = FW_INTFVER(T4, OFLD),
.intfver_ri = FW_INTFVER(T4, RI),
.intfver_iscsipdu = FW_INTFVER(T4, ISCSIPDU),
.intfver_iscsi = FW_INTFVER(T4, ISCSI),
.intfver_fcoepdu = FW_INTFVER(T4, FCOEPDU),
.intfver_fcoe = FW_INTFVER(T4, FCOE),
},
}, {
.chip = CHELSIO_T5,
.kld_name = "t5fw_cfg",
.fw_mod_name = "t5fw",
.fw_h = {
.chip = FW_HDR_CHIP_T5,
.fw_ver = htobe32(FW_VERSION(T5)),
.intfver_nic = FW_INTFVER(T5, NIC),
.intfver_vnic = FW_INTFVER(T5, VNIC),
.intfver_ofld = FW_INTFVER(T5, OFLD),
.intfver_ri = FW_INTFVER(T5, RI),
.intfver_iscsipdu = FW_INTFVER(T5, ISCSIPDU),
.intfver_iscsi = FW_INTFVER(T5, ISCSI),
.intfver_fcoepdu = FW_INTFVER(T5, FCOEPDU),
.intfver_fcoe = FW_INTFVER(T5, FCOE),
},
}, {
.chip = CHELSIO_T6,
.kld_name = "t6fw_cfg",
.fw_mod_name = "t6fw",
.fw_h = {
.chip = FW_HDR_CHIP_T6,
.fw_ver = htobe32(FW_VERSION(T6)),
.intfver_nic = FW_INTFVER(T6, NIC),
.intfver_vnic = FW_INTFVER(T6, VNIC),
.intfver_ofld = FW_INTFVER(T6, OFLD),
.intfver_ri = FW_INTFVER(T6, RI),
.intfver_iscsipdu = FW_INTFVER(T6, ISCSIPDU),
.intfver_iscsi = FW_INTFVER(T6, ISCSI),
.intfver_fcoepdu = FW_INTFVER(T6, FCOEPDU),
.intfver_fcoe = FW_INTFVER(T6, FCOE),
},
}
};
static struct fw_info *
find_fw_info(int chip)
{
int i;
for (i = 0; i < nitems(fw_info); i++) {
if (fw_info[i].chip == chip)
return (&fw_info[i]);
}
return (NULL);
}
/*
* Is the given firmware API compatible with the one the driver was compiled
* with?
*/
static int
fw_compatible(const struct fw_h *hdr1, const struct fw_h *hdr2)
{
/* short circuit if it's the exact same firmware version */
if (hdr1->chip == hdr2->chip && hdr1->fw_ver == hdr2->fw_ver)
return (1);
/*
* XXX: Is this too conservative? Perhaps I should limit this to the
* features that are supported in the driver.
*/
#define SAME_INTF(x) (hdr1->intfver_##x == hdr2->intfver_##x)
if (hdr1->chip == hdr2->chip && SAME_INTF(nic) && SAME_INTF(vnic) &&
SAME_INTF(ofld) && SAME_INTF(ri) && SAME_INTF(iscsipdu) &&
SAME_INTF(iscsi) && SAME_INTF(fcoepdu) && SAME_INTF(fcoe))
return (1);
#undef SAME_INTF
return (0);
}
static int
load_fw_module(struct adapter *sc, const struct firmware **dcfg,
const struct firmware **fw)
{
struct fw_info *fw_info;
*dcfg = NULL;
if (fw != NULL)
*fw = NULL;
fw_info = find_fw_info(chip_id(sc));
if (fw_info == NULL) {
device_printf(sc->dev,
"unable to look up firmware information for chip %d.\n",
chip_id(sc));
return (EINVAL);
}
*dcfg = firmware_get(fw_info->kld_name);
if (*dcfg != NULL) {
if (fw != NULL)
*fw = firmware_get(fw_info->fw_mod_name);
return (0);
}
return (ENOENT);
}
static void
unload_fw_module(struct adapter *sc, const struct firmware *dcfg,
const struct firmware *fw)
{
if (fw != NULL)
firmware_put(fw, FIRMWARE_UNLOAD);
if (dcfg != NULL)
firmware_put(dcfg, FIRMWARE_UNLOAD);
}
/*
* Return values:
* 0 means no firmware install attempted.
* ERESTART means a firmware install was attempted and was successful.
* +ve errno means a firmware install was attempted but failed.
*/
static int
install_kld_firmware(struct adapter *sc, struct fw_h *card_fw,
const struct fw_h *drv_fw, const char *reason, int *already)
{
const struct firmware *cfg, *fw;
const uint32_t c = be32toh(card_fw->fw_ver);
uint32_t d, k;
int rc, fw_install;
struct fw_h bundled_fw;
bool load_attempted;
cfg = fw = NULL;
load_attempted = false;
fw_install = t4_fw_install < 0 ? -t4_fw_install : t4_fw_install;
memcpy(&bundled_fw, drv_fw, sizeof(bundled_fw));
if (t4_fw_install < 0) {
rc = load_fw_module(sc, &cfg, &fw);
if (rc != 0 || fw == NULL) {
device_printf(sc->dev,
"failed to load firmware module: %d. cfg %p, fw %p;"
" will use compiled-in firmware version for"
"hw.cxgbe.fw_install checks.\n",
rc, cfg, fw);
} else {
memcpy(&bundled_fw, fw->data, sizeof(bundled_fw));
}
load_attempted = true;
}
d = be32toh(bundled_fw.fw_ver);
if (reason != NULL)
goto install;
if ((sc->flags & FW_OK) == 0) {
if (c == 0xffffffff) {
reason = "missing";
goto install;
}
rc = 0;
goto done;
}
if (!fw_compatible(card_fw, &bundled_fw)) {
reason = "incompatible or unusable";
goto install;
}
if (d > c) {
reason = "older than the version bundled with this driver";
goto install;
}
if (fw_install == 2 && d != c) {
reason = "different than the version bundled with this driver";
goto install;
}
/* No reason to do anything to the firmware already on the card. */
rc = 0;
goto done;
install:
rc = 0;
if ((*already)++)
goto done;
if (fw_install == 0) {
device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
"but the driver is prohibited from installing a firmware "
"on the card.\n",
G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason);
goto done;
}
/*
* We'll attempt to install a firmware. Load the module first (if it
* hasn't been loaded already).
*/
if (!load_attempted) {
rc = load_fw_module(sc, &cfg, &fw);
if (rc != 0 || fw == NULL) {
device_printf(sc->dev,
"failed to load firmware module: %d. cfg %p, fw %p\n",
rc, cfg, fw);
/* carry on */
}
}
if (fw == NULL) {
device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
"but the driver cannot take corrective action because it "
"is unable to load the firmware module.\n",
G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason);
rc = sc->flags & FW_OK ? 0 : ENOENT;
goto done;
}
k = be32toh(((const struct fw_hdr *)fw->data)->fw_ver);
if (k != d) {
MPASS(t4_fw_install > 0);
device_printf(sc->dev,
"firmware in KLD (%u.%u.%u.%u) is not what the driver was "
"expecting (%u.%u.%u.%u) and will not be used.\n",
G_FW_HDR_FW_VER_MAJOR(k), G_FW_HDR_FW_VER_MINOR(k),
G_FW_HDR_FW_VER_MICRO(k), G_FW_HDR_FW_VER_BUILD(k),
G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d),
G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d));
rc = sc->flags & FW_OK ? 0 : EINVAL;
goto done;
}
device_printf(sc->dev, "firmware on card (%u.%u.%u.%u) is %s, "
"installing firmware %u.%u.%u.%u on card.\n",
G_FW_HDR_FW_VER_MAJOR(c), G_FW_HDR_FW_VER_MINOR(c),
G_FW_HDR_FW_VER_MICRO(c), G_FW_HDR_FW_VER_BUILD(c), reason,
G_FW_HDR_FW_VER_MAJOR(d), G_FW_HDR_FW_VER_MINOR(d),
G_FW_HDR_FW_VER_MICRO(d), G_FW_HDR_FW_VER_BUILD(d));
rc = -t4_fw_upgrade(sc, sc->mbox, fw->data, fw->datasize, 0);
if (rc != 0) {
device_printf(sc->dev, "failed to install firmware: %d\n", rc);
} else {
/* Installed successfully, update the cached header too. */
rc = ERESTART;
memcpy(card_fw, fw->data, sizeof(*card_fw));
}
done:
unload_fw_module(sc, cfg, fw);
return (rc);
}
/*
* Establish contact with the firmware and attempt to become the master driver.
*
* A firmware will be installed to the card if needed (if the driver is allowed
* to do so).
*/
static int
contact_firmware(struct adapter *sc)
{
int rc, already = 0;
enum dev_state state;
struct fw_info *fw_info;
struct fw_hdr *card_fw; /* fw on the card */
const struct fw_h *drv_fw;
fw_info = find_fw_info(chip_id(sc));
if (fw_info == NULL) {
device_printf(sc->dev,
"unable to look up firmware information for chip %d.\n",
chip_id(sc));
return (EINVAL);
}
drv_fw = &fw_info->fw_h;
/* Read the header of the firmware on the card */
card_fw = malloc(sizeof(*card_fw), M_CXGBE, M_ZERO | M_WAITOK);
restart:
rc = -t4_get_fw_hdr(sc, card_fw);
if (rc != 0) {
device_printf(sc->dev,
"unable to read firmware header from card's flash: %d\n",
rc);
goto done;
}
rc = install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw, NULL,
&already);
if (rc == ERESTART)
goto restart;
if (rc != 0)
goto done;
rc = t4_fw_hello(sc, sc->mbox, sc->mbox, MASTER_MAY, &state);
if (rc < 0 || state == DEV_STATE_ERR) {
rc = -rc;
device_printf(sc->dev,
"failed to connect to the firmware: %d, %d. "
"PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
#if 0
if (install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw,
"not responding properly to HELLO", &already) == ERESTART)
goto restart;
#endif
goto done;
}
MPASS(be32toh(card_fw->flags) & FW_HDR_FLAGS_RESET_HALT);
sc->flags |= FW_OK; /* The firmware responded to the FW_HELLO. */
if (rc == sc->pf) {
sc->flags |= MASTER_PF;
rc = install_kld_firmware(sc, (struct fw_h *)card_fw, drv_fw,
NULL, &already);
if (rc == ERESTART)
rc = 0;
else if (rc != 0)
goto done;
} else if (state == DEV_STATE_UNINIT) {
/*
* We didn't get to be the master so we definitely won't be
* configuring the chip. It's a bug if someone else hasn't
* configured it already.
*/
device_printf(sc->dev, "couldn't be master(%d), "
"device not already initialized either(%d). "
"PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
rc = EPROTO;
goto done;
} else {
/*
* Some other PF is the master and has configured the chip.
* This is allowed but untested.
*/
device_printf(sc->dev, "PF%d is master, device state %d. "
"PCIE_FW 0x%08x\n", rc, state, t4_read_reg(sc, A_PCIE_FW));
snprintf(sc->cfg_file, sizeof(sc->cfg_file), "pf%d", rc);
sc->cfcsum = 0;
rc = 0;
}
done:
if (rc != 0 && sc->flags & FW_OK) {
t4_fw_bye(sc, sc->mbox);
sc->flags &= ~FW_OK;
}
free(card_fw, M_CXGBE);
return (rc);
}
static int
copy_cfg_file_to_card(struct adapter *sc, char *cfg_file,
uint32_t mtype, uint32_t moff)
{
struct fw_info *fw_info;
const struct firmware *dcfg, *rcfg = NULL;
const uint32_t *cfdata;
uint32_t cflen, addr;
int rc;
load_fw_module(sc, &dcfg, NULL);
/* Card specific interpretation of "default". */
if (strncmp(cfg_file, DEFAULT_CF, sizeof(t4_cfg_file)) == 0) {
if (pci_get_device(sc->dev) == 0x440a)
snprintf(cfg_file, sizeof(t4_cfg_file), UWIRE_CF);
if (is_fpga(sc))
snprintf(cfg_file, sizeof(t4_cfg_file), FPGA_CF);
}
if (strncmp(cfg_file, DEFAULT_CF, sizeof(t4_cfg_file)) == 0) {
if (dcfg == NULL) {
device_printf(sc->dev,
"KLD with default config is not available.\n");
rc = ENOENT;
goto done;
}
cfdata = dcfg->data;
cflen = dcfg->datasize & ~3;
} else {
char s[32];
fw_info = find_fw_info(chip_id(sc));
if (fw_info == NULL) {
device_printf(sc->dev,
"unable to look up firmware information for chip %d.\n",
chip_id(sc));
rc = EINVAL;
goto done;
}
snprintf(s, sizeof(s), "%s_%s", fw_info->kld_name, cfg_file);
rcfg = firmware_get(s);
if (rcfg == NULL) {
device_printf(sc->dev,
"unable to load module \"%s\" for configuration "
"profile \"%s\".\n", s, cfg_file);
rc = ENOENT;
goto done;
}
cfdata = rcfg->data;
cflen = rcfg->datasize & ~3;
}
if (cflen > FLASH_CFG_MAX_SIZE) {
device_printf(sc->dev,
"config file too long (%d, max allowed is %d).\n",
cflen, FLASH_CFG_MAX_SIZE);
rc = EINVAL;
goto done;
}
rc = validate_mt_off_len(sc, mtype, moff, cflen, &addr);
if (rc != 0) {
device_printf(sc->dev,
"%s: addr (%d/0x%x) or len %d is not valid: %d.\n",
__func__, mtype, moff, cflen, rc);
rc = EINVAL;
goto done;
}
write_via_memwin(sc, 2, addr, cfdata, cflen);
done:
if (rcfg != NULL)
firmware_put(rcfg, FIRMWARE_UNLOAD);
unload_fw_module(sc, dcfg, NULL);
return (rc);
}
struct caps_allowed {
uint16_t nbmcaps;
uint16_t linkcaps;
uint16_t switchcaps;
uint16_t niccaps;
uint16_t toecaps;
uint16_t rdmacaps;
uint16_t cryptocaps;
uint16_t iscsicaps;
uint16_t fcoecaps;
};
#define FW_PARAM_DEV(param) \
(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | \
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_##param))
#define FW_PARAM_PFVF(param) \
(V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_PFVF) | \
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_PFVF_##param))
/*
* Provide a configuration profile to the firmware and have it initialize the
* chip accordingly. This may involve uploading a configuration file to the
* card.
*/
static int
apply_cfg_and_initialize(struct adapter *sc, char *cfg_file,
const struct caps_allowed *caps_allowed)
{
int rc;
struct fw_caps_config_cmd caps;
uint32_t mtype, moff, finicsum, cfcsum, param, val;
rc = -t4_fw_reset(sc, sc->mbox, F_PIORSTMODE | F_PIORST);
if (rc != 0) {
device_printf(sc->dev, "firmware reset failed: %d.\n", rc);
return (rc);
}
bzero(&caps, sizeof(caps));
caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_READ);
if (strncmp(cfg_file, BUILTIN_CF, sizeof(t4_cfg_file)) == 0) {
mtype = 0;
moff = 0;
caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
} else if (strncmp(cfg_file, FLASH_CF, sizeof(t4_cfg_file)) == 0) {
mtype = FW_MEMTYPE_FLASH;
moff = t4_flash_cfg_addr(sc);
caps.cfvalid_to_len16 = htobe32(F_FW_CAPS_CONFIG_CMD_CFVALID |
V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(moff >> 16) |
FW_LEN16(caps));
} else {
/*
* Ask the firmware where it wants us to upload the config file.
*/
param = FW_PARAM_DEV(CF);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
if (rc != 0) {
/* No support for config file? Shouldn't happen. */
device_printf(sc->dev,
"failed to query config file location: %d.\n", rc);
goto done;
}
mtype = G_FW_PARAMS_PARAM_Y(val);
moff = G_FW_PARAMS_PARAM_Z(val) << 16;
caps.cfvalid_to_len16 = htobe32(F_FW_CAPS_CONFIG_CMD_CFVALID |
V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(moff >> 16) |
FW_LEN16(caps));
rc = copy_cfg_file_to_card(sc, cfg_file, mtype, moff);
if (rc != 0) {
device_printf(sc->dev,
"failed to upload config file to card: %d.\n", rc);
goto done;
}
}
rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps);
if (rc != 0) {
device_printf(sc->dev, "failed to pre-process config file: %d "
"(mtype %d, moff 0x%x).\n", rc, mtype, moff);
goto done;
}
finicsum = be32toh(caps.finicsum);
cfcsum = be32toh(caps.cfcsum); /* actual */
if (finicsum != cfcsum) {
device_printf(sc->dev,
"WARNING: config file checksum mismatch: %08x %08x\n",
finicsum, cfcsum);
}
sc->cfcsum = cfcsum;
snprintf(sc->cfg_file, sizeof(sc->cfg_file), "%s", cfg_file);
/*
* Let the firmware know what features will (not) be used so it can tune
* things accordingly.
*/
#define LIMIT_CAPS(x) do { \
caps.x##caps &= htobe16(caps_allowed->x##caps); \
} while (0)
LIMIT_CAPS(nbm);
LIMIT_CAPS(link);
LIMIT_CAPS(switch);
LIMIT_CAPS(nic);
LIMIT_CAPS(toe);
LIMIT_CAPS(rdma);
LIMIT_CAPS(crypto);
LIMIT_CAPS(iscsi);
LIMIT_CAPS(fcoe);
#undef LIMIT_CAPS
if (caps.niccaps & htobe16(FW_CAPS_CONFIG_NIC_HASHFILTER)) {
/*
* TOE and hashfilters are mutually exclusive. It is a config
* file or firmware bug if both are reported as available. Try
* to cope with the situation in non-debug builds by disabling
* TOE.
*/
MPASS(caps.toecaps == 0);
caps.toecaps = 0;
caps.rdmacaps = 0;
caps.iscsicaps = 0;
}
caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), NULL);
if (rc != 0) {
device_printf(sc->dev,
"failed to process config file: %d.\n", rc);
goto done;
}
t4_tweak_chip_settings(sc);
set_params__pre_init(sc);
/* get basic stuff going */
rc = -t4_fw_initialize(sc, sc->mbox);
if (rc != 0) {
device_printf(sc->dev, "fw_initialize failed: %d.\n", rc);
goto done;
}
done:
return (rc);
}
/*
* Partition chip resources for use between various PFs, VFs, etc.
*/
static int
partition_resources(struct adapter *sc)
{
char cfg_file[sizeof(t4_cfg_file)];
struct caps_allowed caps_allowed;
int rc;
bool fallback;
/* Only the master driver gets to configure the chip resources. */
MPASS(sc->flags & MASTER_PF);
#define COPY_CAPS(x) do { \
caps_allowed.x##caps = t4_##x##caps_allowed; \
} while (0)
bzero(&caps_allowed, sizeof(caps_allowed));
COPY_CAPS(nbm);
COPY_CAPS(link);
COPY_CAPS(switch);
COPY_CAPS(nic);
COPY_CAPS(toe);
COPY_CAPS(rdma);
COPY_CAPS(crypto);
COPY_CAPS(iscsi);
COPY_CAPS(fcoe);
fallback = sc->debug_flags & DF_DISABLE_CFG_RETRY ? false : true;
snprintf(cfg_file, sizeof(cfg_file), "%s", t4_cfg_file);
retry:
rc = apply_cfg_and_initialize(sc, cfg_file, &caps_allowed);
if (rc != 0 && fallback) {
device_printf(sc->dev,
"failed (%d) to configure card with \"%s\" profile, "
"will fall back to a basic configuration and retry.\n",
rc, cfg_file);
snprintf(cfg_file, sizeof(cfg_file), "%s", BUILTIN_CF);
bzero(&caps_allowed, sizeof(caps_allowed));
COPY_CAPS(switch);
caps_allowed.niccaps = FW_CAPS_CONFIG_NIC;
fallback = false;
goto retry;
}
#undef COPY_CAPS
return (rc);
}
/*
* Retrieve parameters that are needed (or nice to have) very early.
*/
static int
get_params__pre_init(struct adapter *sc)
{
int rc;
uint32_t param[2], val[2];
t4_get_version_info(sc);
snprintf(sc->fw_version, sizeof(sc->fw_version), "%u.%u.%u.%u",
G_FW_HDR_FW_VER_MAJOR(sc->params.fw_vers),
G_FW_HDR_FW_VER_MINOR(sc->params.fw_vers),
G_FW_HDR_FW_VER_MICRO(sc->params.fw_vers),
G_FW_HDR_FW_VER_BUILD(sc->params.fw_vers));
snprintf(sc->bs_version, sizeof(sc->bs_version), "%u.%u.%u.%u",
G_FW_HDR_FW_VER_MAJOR(sc->params.bs_vers),
G_FW_HDR_FW_VER_MINOR(sc->params.bs_vers),
G_FW_HDR_FW_VER_MICRO(sc->params.bs_vers),
G_FW_HDR_FW_VER_BUILD(sc->params.bs_vers));
snprintf(sc->tp_version, sizeof(sc->tp_version), "%u.%u.%u.%u",
G_FW_HDR_FW_VER_MAJOR(sc->params.tp_vers),
G_FW_HDR_FW_VER_MINOR(sc->params.tp_vers),
G_FW_HDR_FW_VER_MICRO(sc->params.tp_vers),
G_FW_HDR_FW_VER_BUILD(sc->params.tp_vers));
snprintf(sc->er_version, sizeof(sc->er_version), "%u.%u.%u.%u",
G_FW_HDR_FW_VER_MAJOR(sc->params.er_vers),
G_FW_HDR_FW_VER_MINOR(sc->params.er_vers),
G_FW_HDR_FW_VER_MICRO(sc->params.er_vers),
G_FW_HDR_FW_VER_BUILD(sc->params.er_vers));
param[0] = FW_PARAM_DEV(PORTVEC);
param[1] = FW_PARAM_DEV(CCLK);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query parameters (pre_init): %d.\n", rc);
return (rc);
}
sc->params.portvec = val[0];
sc->params.nports = bitcount32(val[0]);
sc->params.vpd.cclk = val[1];
/* Read device log parameters. */
rc = -t4_init_devlog_params(sc, 1);
if (rc == 0)
fixup_devlog_params(sc);
else {
device_printf(sc->dev,
"failed to get devlog parameters: %d.\n", rc);
rc = 0; /* devlog isn't critical for device operation */
}
return (rc);
}
/*
* Any params that need to be set before FW_INITIALIZE.
*/
static int
set_params__pre_init(struct adapter *sc)
{
int rc = 0;
uint32_t param, val;
if (chip_id(sc) >= CHELSIO_T6) {
param = FW_PARAM_DEV(HPFILTER_REGION_SUPPORT);
val = 1;
rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
/* firmwares < 1.20.1.0 do not have this param. */
if (rc == FW_EINVAL &&
sc->params.fw_vers < FW_VERSION32(1, 20, 1, 0)) {
rc = 0;
}
if (rc != 0) {
device_printf(sc->dev,
"failed to enable high priority filters :%d.\n",
rc);
}
}
/* Enable opaque VIIDs with firmwares that support it. */
param = FW_PARAM_DEV(OPAQUE_VIID_SMT_EXTN);
val = 1;
rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
if (rc == 0 && val == 1)
sc->params.viid_smt_extn_support = true;
else
sc->params.viid_smt_extn_support = false;
return (rc);
}
/*
* Retrieve various parameters that are of interest to the driver. The device
* has been initialized by the firmware at this point.
*/
static int
get_params__post_init(struct adapter *sc)
{
int rc;
uint32_t param[7], val[7];
struct fw_caps_config_cmd caps;
param[0] = FW_PARAM_PFVF(IQFLINT_START);
param[1] = FW_PARAM_PFVF(EQ_START);
param[2] = FW_PARAM_PFVF(FILTER_START);
param[3] = FW_PARAM_PFVF(FILTER_END);
param[4] = FW_PARAM_PFVF(L2T_START);
param[5] = FW_PARAM_PFVF(L2T_END);
param[6] = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_VDD);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 7, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query parameters (post_init): %d.\n", rc);
return (rc);
}
sc->sge.iq_start = val[0];
sc->sge.eq_start = val[1];
if ((int)val[3] > (int)val[2]) {
sc->tids.ftid_base = val[2];
sc->tids.ftid_end = val[3];
sc->tids.nftids = val[3] - val[2] + 1;
}
sc->vres.l2t.start = val[4];
sc->vres.l2t.size = val[5] - val[4] + 1;
KASSERT(sc->vres.l2t.size <= L2T_SIZE,
("%s: L2 table size (%u) larger than expected (%u)",
__func__, sc->vres.l2t.size, L2T_SIZE));
sc->params.core_vdd = val[6];
param[0] = FW_PARAM_PFVF(IQFLINT_END);
param[1] = FW_PARAM_PFVF(EQ_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query parameters (post_init2): %d.\n", rc);
return (rc);
}
MPASS((int)val[0] >= sc->sge.iq_start);
sc->sge.iqmap_sz = val[0] - sc->sge.iq_start + 1;
MPASS((int)val[1] >= sc->sge.eq_start);
sc->sge.eqmap_sz = val[1] - sc->sge.eq_start + 1;
if (chip_id(sc) >= CHELSIO_T6) {
sc->tids.tid_base = t4_read_reg(sc,
A_LE_DB_ACTIVE_TABLE_START_INDEX);
param[0] = FW_PARAM_PFVF(HPFILTER_START);
param[1] = FW_PARAM_PFVF(HPFILTER_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query hpfilter parameters: %d.\n", rc);
return (rc);
}
if ((int)val[1] > (int)val[0]) {
sc->tids.hpftid_base = val[0];
sc->tids.hpftid_end = val[1];
sc->tids.nhpftids = val[1] - val[0] + 1;
/*
* These should go off if the layout changes and the
* driver needs to catch up.
*/
MPASS(sc->tids.hpftid_base == 0);
MPASS(sc->tids.tid_base == sc->tids.nhpftids);
}
param[0] = FW_PARAM_PFVF(RAWF_START);
param[1] = FW_PARAM_PFVF(RAWF_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query rawf parameters: %d.\n", rc);
return (rc);
}
if ((int)val[1] > (int)val[0]) {
sc->rawf_base = val[0];
sc->nrawf = val[1] - val[0] + 1;
}
}
/*
* MPSBGMAP is queried separately because only recent firmwares support
* it as a parameter and we don't want the compound query above to fail
* on older firmwares.
*/
param[0] = FW_PARAM_DEV(MPSBGMAP);
val[0] = 0;
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc == 0)
sc->params.mps_bg_map = val[0];
else
sc->params.mps_bg_map = 0;
/*
* Determine whether the firmware supports the filter2 work request.
* This is queried separately for the same reason as MPSBGMAP above.
*/
param[0] = FW_PARAM_DEV(FILTER2_WR);
val[0] = 0;
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc == 0)
sc->params.filter2_wr_support = val[0] != 0;
else
sc->params.filter2_wr_support = 0;
/*
* Find out whether we're allowed to use the ULPTX MEMWRITE DSGL.
* This is queried separately for the same reason as other params above.
*/
param[0] = FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL);
val[0] = 0;
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc == 0)
sc->params.ulptx_memwrite_dsgl = val[0] != 0;
else
sc->params.ulptx_memwrite_dsgl = false;
/* FW_RI_FR_NSMR_TPTE_WR support */
param[0] = FW_PARAM_DEV(RI_FR_NSMR_TPTE_WR);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc == 0)
sc->params.fr_nsmr_tpte_wr_support = val[0] != 0;
else
sc->params.fr_nsmr_tpte_wr_support = false;
param[0] = FW_PARAM_PFVF(MAX_PKTS_PER_ETH_TX_PKTS_WR);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc == 0)
sc->params.max_pkts_per_eth_tx_pkts_wr = val[0];
else
sc->params.max_pkts_per_eth_tx_pkts_wr = 15;
/* get capabilites */
bzero(&caps, sizeof(caps));
caps.op_to_write = htobe32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_READ);
caps.cfvalid_to_len16 = htobe32(FW_LEN16(caps));
rc = -t4_wr_mbox(sc, sc->mbox, &caps, sizeof(caps), &caps);
if (rc != 0) {
device_printf(sc->dev,
"failed to get card capabilities: %d.\n", rc);
return (rc);
}
#define READ_CAPS(x) do { \
sc->x = htobe16(caps.x); \
} while (0)
READ_CAPS(nbmcaps);
READ_CAPS(linkcaps);
READ_CAPS(switchcaps);
READ_CAPS(niccaps);
READ_CAPS(toecaps);
READ_CAPS(rdmacaps);
READ_CAPS(cryptocaps);
READ_CAPS(iscsicaps);
READ_CAPS(fcoecaps);
if (sc->niccaps & FW_CAPS_CONFIG_NIC_HASHFILTER) {
MPASS(chip_id(sc) > CHELSIO_T4);
MPASS(sc->toecaps == 0);
sc->toecaps = 0;
param[0] = FW_PARAM_DEV(NTID);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query HASHFILTER parameters: %d.\n", rc);
return (rc);
}
sc->tids.ntids = val[0];
if (sc->params.fw_vers < FW_VERSION32(1, 20, 5, 0)) {
MPASS(sc->tids.ntids >= sc->tids.nhpftids);
sc->tids.ntids -= sc->tids.nhpftids;
}
sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS);
sc->params.hash_filter = 1;
}
if (sc->niccaps & FW_CAPS_CONFIG_NIC_ETHOFLD) {
param[0] = FW_PARAM_PFVF(ETHOFLD_START);
param[1] = FW_PARAM_PFVF(ETHOFLD_END);
param[2] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 3, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query NIC parameters: %d.\n", rc);
return (rc);
}
if ((int)val[1] > (int)val[0]) {
sc->tids.etid_base = val[0];
sc->tids.etid_end = val[1];
sc->tids.netids = val[1] - val[0] + 1;
sc->params.eo_wr_cred = val[2];
sc->params.ethoffload = 1;
}
}
if (sc->toecaps) {
/* query offload-related parameters */
param[0] = FW_PARAM_DEV(NTID);
param[1] = FW_PARAM_PFVF(SERVER_START);
param[2] = FW_PARAM_PFVF(SERVER_END);
param[3] = FW_PARAM_PFVF(TDDP_START);
param[4] = FW_PARAM_PFVF(TDDP_END);
param[5] = FW_PARAM_DEV(FLOWC_BUFFIFO_SZ);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query TOE parameters: %d.\n", rc);
return (rc);
}
sc->tids.ntids = val[0];
if (sc->params.fw_vers < FW_VERSION32(1, 20, 5, 0)) {
MPASS(sc->tids.ntids >= sc->tids.nhpftids);
sc->tids.ntids -= sc->tids.nhpftids;
}
sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS);
if ((int)val[2] > (int)val[1]) {
sc->tids.stid_base = val[1];
sc->tids.nstids = val[2] - val[1] + 1;
}
sc->vres.ddp.start = val[3];
sc->vres.ddp.size = val[4] - val[3] + 1;
sc->params.ofldq_wr_cred = val[5];
sc->params.offload = 1;
} else {
/*
* The firmware attempts memfree TOE configuration for -SO cards
* and will report toecaps=0 if it runs out of resources (this
* depends on the config file). It may not report 0 for other
* capabilities dependent on the TOE in this case. Set them to
* 0 here so that the driver doesn't bother tracking resources
* that will never be used.
*/
sc->iscsicaps = 0;
sc->rdmacaps = 0;
}
if (sc->rdmacaps) {
param[0] = FW_PARAM_PFVF(STAG_START);
param[1] = FW_PARAM_PFVF(STAG_END);
param[2] = FW_PARAM_PFVF(RQ_START);
param[3] = FW_PARAM_PFVF(RQ_END);
param[4] = FW_PARAM_PFVF(PBL_START);
param[5] = FW_PARAM_PFVF(PBL_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query RDMA parameters(1): %d.\n", rc);
return (rc);
}
sc->vres.stag.start = val[0];
sc->vres.stag.size = val[1] - val[0] + 1;
sc->vres.rq.start = val[2];
sc->vres.rq.size = val[3] - val[2] + 1;
sc->vres.pbl.start = val[4];
sc->vres.pbl.size = val[5] - val[4] + 1;
param[0] = FW_PARAM_PFVF(SQRQ_START);
param[1] = FW_PARAM_PFVF(SQRQ_END);
param[2] = FW_PARAM_PFVF(CQ_START);
param[3] = FW_PARAM_PFVF(CQ_END);
param[4] = FW_PARAM_PFVF(OCQ_START);
param[5] = FW_PARAM_PFVF(OCQ_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 6, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query RDMA parameters(2): %d.\n", rc);
return (rc);
}
sc->vres.qp.start = val[0];
sc->vres.qp.size = val[1] - val[0] + 1;
sc->vres.cq.start = val[2];
sc->vres.cq.size = val[3] - val[2] + 1;
sc->vres.ocq.start = val[4];
sc->vres.ocq.size = val[5] - val[4] + 1;
param[0] = FW_PARAM_PFVF(SRQ_START);
param[1] = FW_PARAM_PFVF(SRQ_END);
param[2] = FW_PARAM_DEV(MAXORDIRD_QP);
param[3] = FW_PARAM_DEV(MAXIRD_ADAPTER);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 4, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query RDMA parameters(3): %d.\n", rc);
return (rc);
}
sc->vres.srq.start = val[0];
sc->vres.srq.size = val[1] - val[0] + 1;
sc->params.max_ordird_qp = val[2];
sc->params.max_ird_adapter = val[3];
}
if (sc->iscsicaps) {
param[0] = FW_PARAM_PFVF(ISCSI_START);
param[1] = FW_PARAM_PFVF(ISCSI_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query iSCSI parameters: %d.\n", rc);
return (rc);
}
sc->vres.iscsi.start = val[0];
sc->vres.iscsi.size = val[1] - val[0] + 1;
}
if (sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS) {
param[0] = FW_PARAM_PFVF(TLS_START);
param[1] = FW_PARAM_PFVF(TLS_END);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 2, param, val);
if (rc != 0) {
device_printf(sc->dev,
"failed to query TLS parameters: %d.\n", rc);
return (rc);
}
sc->vres.key.start = val[0];
sc->vres.key.size = val[1] - val[0] + 1;
}
/*
* We've got the params we wanted to query directly from the firmware.
* Grab some others via other means.
*/
t4_init_sge_params(sc);
t4_init_tp_params(sc);
t4_read_mtu_tbl(sc, sc->params.mtus, NULL);
t4_load_mtus(sc, sc->params.mtus, sc->params.a_wnd, sc->params.b_wnd);
rc = t4_verify_chip_settings(sc);
if (rc != 0)
return (rc);
t4_init_rx_buf_info(sc);
return (rc);
}
#ifdef KERN_TLS
static void
ktls_tick(void *arg)
{
struct adapter *sc;
uint32_t tstamp;
sc = arg;
if (sc->flags & KERN_TLS_ON) {
tstamp = tcp_ts_getticks();
t4_write_reg(sc, A_TP_SYNC_TIME_HI, tstamp >> 1);
t4_write_reg(sc, A_TP_SYNC_TIME_LO, tstamp << 31);
}
callout_schedule_sbt(&sc->ktls_tick, SBT_1MS, 0, C_HARDCLOCK);
}
static int
t4_config_kern_tls(struct adapter *sc, bool enable)
{
int rc;
uint32_t param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_KTLS_HW) |
V_FW_PARAMS_PARAM_Y(enable ? 1 : 0) |
V_FW_PARAMS_PARAM_Z(FW_PARAMS_PARAM_DEV_KTLS_HW_USER_ENABLE);
rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &param);
if (rc != 0) {
CH_ERR(sc, "failed to %s NIC TLS: %d\n",
enable ? "enable" : "disable", rc);
return (rc);
}
if (enable)
sc->flags |= KERN_TLS_ON;
else
sc->flags &= ~KERN_TLS_ON;
return (rc);
}
#endif
static int
set_params__post_init(struct adapter *sc)
{
uint32_t mask, param, val;
#ifdef TCP_OFFLOAD
int i, v, shift;
#endif
/* ask for encapsulated CPLs */
param = FW_PARAM_PFVF(CPLFW4MSG_ENCAP);
val = 1;
(void)t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
/* Enable 32b port caps if the firmware supports it. */
param = FW_PARAM_PFVF(PORT_CAPS32);
val = 1;
if (t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val) == 0)
sc->params.port_caps32 = 1;
/* Let filter + maskhash steer to a part of the VI's RSS region. */
val = 1 << (G_MASKSIZE(t4_read_reg(sc, A_TP_RSS_CONFIG_TNL)) - 1);
t4_set_reg_field(sc, A_TP_RSS_CONFIG_TNL, V_MASKFILTER(M_MASKFILTER),
V_MASKFILTER(val - 1));
mask = F_DROPERRORANY | F_DROPERRORMAC | F_DROPERRORIPVER |
F_DROPERRORFRAG | F_DROPERRORATTACK | F_DROPERRORETHHDRLEN |
F_DROPERRORIPHDRLEN | F_DROPERRORTCPHDRLEN | F_DROPERRORPKTLEN |
F_DROPERRORTCPOPT | F_DROPERRORCSUMIP | F_DROPERRORCSUM;
val = 0;
if (chip_id(sc) < CHELSIO_T6 && t4_attack_filter != 0) {
t4_set_reg_field(sc, A_TP_GLOBAL_CONFIG, F_ATTACKFILTERENABLE,
F_ATTACKFILTERENABLE);
val |= F_DROPERRORATTACK;
}
if (t4_drop_ip_fragments != 0) {
t4_set_reg_field(sc, A_TP_GLOBAL_CONFIG, F_FRAGMENTDROP,
F_FRAGMENTDROP);
val |= F_DROPERRORFRAG;
}
if (t4_drop_pkts_with_l2_errors != 0)
val |= F_DROPERRORMAC | F_DROPERRORETHHDRLEN;
if (t4_drop_pkts_with_l3_errors != 0) {
val |= F_DROPERRORIPVER | F_DROPERRORIPHDRLEN |
F_DROPERRORCSUMIP;
}
if (t4_drop_pkts_with_l4_errors != 0) {
val |= F_DROPERRORTCPHDRLEN | F_DROPERRORPKTLEN |
F_DROPERRORTCPOPT | F_DROPERRORCSUM;
}
t4_set_reg_field(sc, A_TP_ERR_CONFIG, mask, val);
#ifdef TCP_OFFLOAD
/*
* Override the TOE timers with user provided tunables. This is not the
* recommended way to change the timers (the firmware config file is) so
* these tunables are not documented.
*
* All the timer tunables are in microseconds.
*/
if (t4_toe_keepalive_idle != 0) {
v = us_to_tcp_ticks(sc, t4_toe_keepalive_idle);
v &= M_KEEPALIVEIDLE;
t4_set_reg_field(sc, A_TP_KEEP_IDLE,
V_KEEPALIVEIDLE(M_KEEPALIVEIDLE), V_KEEPALIVEIDLE(v));
}
if (t4_toe_keepalive_interval != 0) {
v = us_to_tcp_ticks(sc, t4_toe_keepalive_interval);
v &= M_KEEPALIVEINTVL;
t4_set_reg_field(sc, A_TP_KEEP_INTVL,
V_KEEPALIVEINTVL(M_KEEPALIVEINTVL), V_KEEPALIVEINTVL(v));
}
if (t4_toe_keepalive_count != 0) {
v = t4_toe_keepalive_count & M_KEEPALIVEMAXR2;
t4_set_reg_field(sc, A_TP_SHIFT_CNT,
V_KEEPALIVEMAXR1(M_KEEPALIVEMAXR1) |
V_KEEPALIVEMAXR2(M_KEEPALIVEMAXR2),
V_KEEPALIVEMAXR1(1) | V_KEEPALIVEMAXR2(v));
}
if (t4_toe_rexmt_min != 0) {
v = us_to_tcp_ticks(sc, t4_toe_rexmt_min);
v &= M_RXTMIN;
t4_set_reg_field(sc, A_TP_RXT_MIN,
V_RXTMIN(M_RXTMIN), V_RXTMIN(v));
}
if (t4_toe_rexmt_max != 0) {
v = us_to_tcp_ticks(sc, t4_toe_rexmt_max);
v &= M_RXTMAX;
t4_set_reg_field(sc, A_TP_RXT_MAX,
V_RXTMAX(M_RXTMAX), V_RXTMAX(v));
}
if (t4_toe_rexmt_count != 0) {
v = t4_toe_rexmt_count & M_RXTSHIFTMAXR2;
t4_set_reg_field(sc, A_TP_SHIFT_CNT,
V_RXTSHIFTMAXR1(M_RXTSHIFTMAXR1) |
V_RXTSHIFTMAXR2(M_RXTSHIFTMAXR2),
V_RXTSHIFTMAXR1(1) | V_RXTSHIFTMAXR2(v));
}
for (i = 0; i < nitems(t4_toe_rexmt_backoff); i++) {
if (t4_toe_rexmt_backoff[i] != -1) {
v = t4_toe_rexmt_backoff[i] & M_TIMERBACKOFFINDEX0;
shift = (i & 3) << 3;
t4_set_reg_field(sc, A_TP_TCP_BACKOFF_REG0 + (i & ~3),
M_TIMERBACKOFFINDEX0 << shift, v << shift);
}
}
#endif
#ifdef KERN_TLS
if (sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS &&
sc->toecaps & FW_CAPS_CONFIG_TOE) {
/*
* Limit TOE connections to 2 reassembly "islands". This is
* required for TOE TLS connections to downgrade to plain TOE
* connections if an unsupported TLS version or ciphersuite is
* used.
*/
t4_tp_wr_bits_indirect(sc, A_TP_FRAG_CONFIG,
V_PASSMODE(M_PASSMODE), V_PASSMODE(2));
if (is_ktls(sc)) {
sc->tlst.inline_keys = t4_tls_inline_keys;
sc->tlst.combo_wrs = t4_tls_combo_wrs;
if (t4_kern_tls != 0)
t4_config_kern_tls(sc, true);
}
}
#endif
return (0);
}
#undef FW_PARAM_PFVF
#undef FW_PARAM_DEV
static void
t4_set_desc(struct adapter *sc)
{
char buf[128];
struct adapter_params *p = &sc->params;
snprintf(buf, sizeof(buf), "Chelsio %s", p->vpd.id);
device_set_desc_copy(sc->dev, buf);
}
static inline void
ifmedia_add4(struct ifmedia *ifm, int m)
{
ifmedia_add(ifm, m, 0, NULL);
ifmedia_add(ifm, m | IFM_ETH_TXPAUSE, 0, NULL);
ifmedia_add(ifm, m | IFM_ETH_RXPAUSE, 0, NULL);
ifmedia_add(ifm, m | IFM_ETH_TXPAUSE | IFM_ETH_RXPAUSE, 0, NULL);
}
/*
* This is the selected media, which is not quite the same as the active media.
* The media line in ifconfig is "media: Ethernet selected (active)" if selected
* and active are not the same, and "media: Ethernet selected" otherwise.
*/
static void
set_current_media(struct port_info *pi)
{
struct link_config *lc;
struct ifmedia *ifm;
int mword;
u_int speed;
PORT_LOCK_ASSERT_OWNED(pi);
/* Leave current media alone if it's already set to IFM_NONE. */
ifm = &pi->media;
if (ifm->ifm_cur != NULL &&
IFM_SUBTYPE(ifm->ifm_cur->ifm_media) == IFM_NONE)
return;
lc = &pi->link_cfg;
if (lc->requested_aneg != AUTONEG_DISABLE &&
lc->pcaps & FW_PORT_CAP32_ANEG) {
ifmedia_set(ifm, IFM_ETHER | IFM_AUTO);
return;
}
mword = IFM_ETHER | IFM_FDX;
if (lc->requested_fc & PAUSE_TX)
mword |= IFM_ETH_TXPAUSE;
if (lc->requested_fc & PAUSE_RX)
mword |= IFM_ETH_RXPAUSE;
if (lc->requested_speed == 0)
speed = port_top_speed(pi) * 1000; /* Gbps -> Mbps */
else
speed = lc->requested_speed;
mword |= port_mword(pi, speed_to_fwcap(speed));
ifmedia_set(ifm, mword);
}
/*
* Returns true if the ifmedia list for the port cannot change.
*/
static bool
fixed_ifmedia(struct port_info *pi)
{
return (pi->port_type == FW_PORT_TYPE_BT_SGMII ||
pi->port_type == FW_PORT_TYPE_BT_XFI ||
pi->port_type == FW_PORT_TYPE_BT_XAUI ||
pi->port_type == FW_PORT_TYPE_KX4 ||
pi->port_type == FW_PORT_TYPE_KX ||
pi->port_type == FW_PORT_TYPE_KR ||
pi->port_type == FW_PORT_TYPE_BP_AP ||
pi->port_type == FW_PORT_TYPE_BP4_AP ||
pi->port_type == FW_PORT_TYPE_BP40_BA ||
pi->port_type == FW_PORT_TYPE_KR4_100G ||
pi->port_type == FW_PORT_TYPE_KR_SFP28 ||
pi->port_type == FW_PORT_TYPE_KR_XLAUI);
}
static void
build_medialist(struct port_info *pi)
{
uint32_t ss, speed;
int unknown, mword, bit;
struct link_config *lc;
struct ifmedia *ifm;
PORT_LOCK_ASSERT_OWNED(pi);
if (pi->flags & FIXED_IFMEDIA)
return;
/*
* Rebuild the ifmedia list.
*/
ifm = &pi->media;
ifmedia_removeall(ifm);
lc = &pi->link_cfg;
ss = G_FW_PORT_CAP32_SPEED(lc->pcaps); /* Supported Speeds */
if (__predict_false(ss == 0)) { /* not supposed to happen. */
MPASS(ss != 0);
no_media:
MPASS(LIST_EMPTY(&ifm->ifm_list));
ifmedia_add(ifm, IFM_ETHER | IFM_NONE, 0, NULL);
ifmedia_set(ifm, IFM_ETHER | IFM_NONE);
return;
}
unknown = 0;
for (bit = S_FW_PORT_CAP32_SPEED; bit < fls(ss); bit++) {
speed = 1 << bit;
MPASS(speed & M_FW_PORT_CAP32_SPEED);
if (ss & speed) {
mword = port_mword(pi, speed);
if (mword == IFM_NONE) {
goto no_media;
} else if (mword == IFM_UNKNOWN)
unknown++;
else
ifmedia_add4(ifm, IFM_ETHER | IFM_FDX | mword);
}
}
if (unknown > 0) /* Add one unknown for all unknown media types. */
ifmedia_add4(ifm, IFM_ETHER | IFM_FDX | IFM_UNKNOWN);
if (lc->pcaps & FW_PORT_CAP32_ANEG)
ifmedia_add(ifm, IFM_ETHER | IFM_AUTO, 0, NULL);
set_current_media(pi);
}
/*
* Initialize the requested fields in the link config based on driver tunables.
*/
static void
init_link_config(struct port_info *pi)
{
struct link_config *lc = &pi->link_cfg;
PORT_LOCK_ASSERT_OWNED(pi);
lc->requested_speed = 0;
if (t4_autoneg == 0)
lc->requested_aneg = AUTONEG_DISABLE;
else if (t4_autoneg == 1)
lc->requested_aneg = AUTONEG_ENABLE;
else
lc->requested_aneg = AUTONEG_AUTO;
lc->requested_fc = t4_pause_settings & (PAUSE_TX | PAUSE_RX |
PAUSE_AUTONEG);
if (t4_fec & FEC_AUTO)
lc->requested_fec = FEC_AUTO;
else if (t4_fec == 0)
lc->requested_fec = FEC_NONE;
else {
/* -1 is handled by the FEC_AUTO block above and not here. */
lc->requested_fec = t4_fec &
(FEC_RS | FEC_BASER_RS | FEC_NONE | FEC_MODULE);
if (lc->requested_fec == 0)
lc->requested_fec = FEC_AUTO;
}
}
/*
* Makes sure that all requested settings comply with what's supported by the
* port. Returns the number of settings that were invalid and had to be fixed.
*/
static int
fixup_link_config(struct port_info *pi)
{
int n = 0;
struct link_config *lc = &pi->link_cfg;
uint32_t fwspeed;
PORT_LOCK_ASSERT_OWNED(pi);
/* Speed (when not autonegotiating) */
if (lc->requested_speed != 0) {
fwspeed = speed_to_fwcap(lc->requested_speed);
if ((fwspeed & lc->pcaps) == 0) {
n++;
lc->requested_speed = 0;
}
}
/* Link autonegotiation */
MPASS(lc->requested_aneg == AUTONEG_ENABLE ||
lc->requested_aneg == AUTONEG_DISABLE ||
lc->requested_aneg == AUTONEG_AUTO);
if (lc->requested_aneg == AUTONEG_ENABLE &&
!(lc->pcaps & FW_PORT_CAP32_ANEG)) {
n++;
lc->requested_aneg = AUTONEG_AUTO;
}
/* Flow control */
MPASS((lc->requested_fc & ~(PAUSE_TX | PAUSE_RX | PAUSE_AUTONEG)) == 0);
if (lc->requested_fc & PAUSE_TX &&
!(lc->pcaps & FW_PORT_CAP32_FC_TX)) {
n++;
lc->requested_fc &= ~PAUSE_TX;
}
if (lc->requested_fc & PAUSE_RX &&
!(lc->pcaps & FW_PORT_CAP32_FC_RX)) {
n++;
lc->requested_fc &= ~PAUSE_RX;
}
if (!(lc->requested_fc & PAUSE_AUTONEG) &&
!(lc->pcaps & FW_PORT_CAP32_FORCE_PAUSE)) {
n++;
lc->requested_fc |= PAUSE_AUTONEG;
}
/* FEC */
if ((lc->requested_fec & FEC_RS &&
!(lc->pcaps & FW_PORT_CAP32_FEC_RS)) ||
(lc->requested_fec & FEC_BASER_RS &&
!(lc->pcaps & FW_PORT_CAP32_FEC_BASER_RS))) {
n++;
lc->requested_fec = FEC_AUTO;
}
return (n);
}
/*
* Apply the requested L1 settings, which are expected to be valid, to the
* hardware.
*/
static int
apply_link_config(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int rc;
#ifdef INVARIANTS
ASSERT_SYNCHRONIZED_OP(sc);
PORT_LOCK_ASSERT_OWNED(pi);
if (lc->requested_aneg == AUTONEG_ENABLE)
MPASS(lc->pcaps & FW_PORT_CAP32_ANEG);
if (!(lc->requested_fc & PAUSE_AUTONEG))
MPASS(lc->pcaps & FW_PORT_CAP32_FORCE_PAUSE);
if (lc->requested_fc & PAUSE_TX)
MPASS(lc->pcaps & FW_PORT_CAP32_FC_TX);
if (lc->requested_fc & PAUSE_RX)
MPASS(lc->pcaps & FW_PORT_CAP32_FC_RX);
if (lc->requested_fec & FEC_RS)
MPASS(lc->pcaps & FW_PORT_CAP32_FEC_RS);
if (lc->requested_fec & FEC_BASER_RS)
MPASS(lc->pcaps & FW_PORT_CAP32_FEC_BASER_RS);
#endif
rc = -t4_link_l1cfg(sc, sc->mbox, pi->tx_chan, lc);
if (rc != 0) {
/* Don't complain if the VF driver gets back an EPERM. */
if (!(sc->flags & IS_VF) || rc != FW_EPERM)
device_printf(pi->dev, "l1cfg failed: %d\n", rc);
} else {
/*
* An L1_CFG will almost always result in a link-change event if
* the link is up, and the driver will refresh the actual
* fec/fc/etc. when the notification is processed. If the link
* is down then the actual settings are meaningless.
*
* This takes care of the case where a change in the L1 settings
* may not result in a notification.
*/
if (lc->link_ok && !(lc->requested_fc & PAUSE_AUTONEG))
lc->fc = lc->requested_fc & (PAUSE_TX | PAUSE_RX);
}
return (rc);
}
#define FW_MAC_EXACT_CHUNK 7
struct mcaddr_ctx {
struct ifnet *ifp;
const uint8_t *mcaddr[FW_MAC_EXACT_CHUNK];
uint64_t hash;
int i;
int del;
int rc;
};
static u_int
add_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
{
struct mcaddr_ctx *ctx = arg;
struct vi_info *vi = ctx->ifp->if_softc;
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
if (ctx->rc < 0)
return (0);
ctx->mcaddr[ctx->i] = LLADDR(sdl);
MPASS(ETHER_IS_MULTICAST(ctx->mcaddr[ctx->i]));
ctx->i++;
if (ctx->i == FW_MAC_EXACT_CHUNK) {
ctx->rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid, ctx->del,
ctx->i, ctx->mcaddr, NULL, &ctx->hash, 0);
if (ctx->rc < 0) {
int j;
for (j = 0; j < ctx->i; j++) {
if_printf(ctx->ifp,
"failed to add mc address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
ctx->mcaddr[j][0], ctx->mcaddr[j][1],
ctx->mcaddr[j][2], ctx->mcaddr[j][3],
ctx->mcaddr[j][4], ctx->mcaddr[j][5],
-ctx->rc);
}
return (0);
}
ctx->del = 0;
ctx->i = 0;
}
return (1);
}
/*
* Program the port's XGMAC based on parameters in ifnet. The caller also
* indicates which parameters should be programmed (the rest are left alone).
*/
int
update_mac_settings(struct ifnet *ifp, int flags)
{
int rc = 0;
struct vi_info *vi = ifp->if_softc;
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
int mtu = -1, promisc = -1, allmulti = -1, vlanex = -1;
uint8_t match_all_mac[ETHER_ADDR_LEN] = {0};
ASSERT_SYNCHRONIZED_OP(sc);
KASSERT(flags, ("%s: not told what to update.", __func__));
if (flags & XGMAC_MTU)
mtu = ifp->if_mtu;
if (flags & XGMAC_PROMISC)
promisc = ifp->if_flags & IFF_PROMISC ? 1 : 0;
if (flags & XGMAC_ALLMULTI)
allmulti = ifp->if_flags & IFF_ALLMULTI ? 1 : 0;
if (flags & XGMAC_VLANEX)
vlanex = ifp->if_capenable & IFCAP_VLAN_HWTAGGING ? 1 : 0;
if (flags & (XGMAC_MTU|XGMAC_PROMISC|XGMAC_ALLMULTI|XGMAC_VLANEX)) {
rc = -t4_set_rxmode(sc, sc->mbox, vi->viid, mtu, promisc,
allmulti, 1, vlanex, false);
if (rc) {
if_printf(ifp, "set_rxmode (%x) failed: %d\n", flags,
rc);
return (rc);
}
}
if (flags & XGMAC_UCADDR) {
uint8_t ucaddr[ETHER_ADDR_LEN];
bcopy(IF_LLADDR(ifp), ucaddr, sizeof(ucaddr));
rc = t4_change_mac(sc, sc->mbox, vi->viid, vi->xact_addr_filt,
ucaddr, true, &vi->smt_idx);
if (rc < 0) {
rc = -rc;
if_printf(ifp, "change_mac failed: %d\n", rc);
return (rc);
} else {
vi->xact_addr_filt = rc;
rc = 0;
}
}
if (flags & XGMAC_MCADDRS) {
struct epoch_tracker et;
struct mcaddr_ctx ctx;
int j;
ctx.ifp = ifp;
ctx.hash = 0;
ctx.i = 0;
ctx.del = 1;
ctx.rc = 0;
/*
* Unlike other drivers, we accumulate list of pointers into
* interface address lists and we need to keep it safe even
* after if_foreach_llmaddr() returns, thus we must enter the
* network epoch.
*/
NET_EPOCH_ENTER(et);
if_foreach_llmaddr(ifp, add_maddr, &ctx);
if (ctx.rc < 0) {
NET_EPOCH_EXIT(et);
rc = -ctx.rc;
return (rc);
}
if (ctx.i > 0) {
rc = t4_alloc_mac_filt(sc, sc->mbox, vi->viid,
ctx.del, ctx.i, ctx.mcaddr, NULL, &ctx.hash, 0);
NET_EPOCH_EXIT(et);
if (rc < 0) {
rc = -rc;
for (j = 0; j < ctx.i; j++) {
if_printf(ifp,
"failed to add mcast address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
ctx.mcaddr[j][0], ctx.mcaddr[j][1],
ctx.mcaddr[j][2], ctx.mcaddr[j][3],
ctx.mcaddr[j][4], ctx.mcaddr[j][5],
rc);
}
return (rc);
}
ctx.del = 0;
} else
NET_EPOCH_EXIT(et);
rc = -t4_set_addr_hash(sc, sc->mbox, vi->viid, 0, ctx.hash, 0);
if (rc != 0)
if_printf(ifp, "failed to set mcast address hash: %d\n",
rc);
if (ctx.del == 0) {
/* We clobbered the VXLAN entry if there was one. */
pi->vxlan_tcam_entry = false;
}
}
if (IS_MAIN_VI(vi) && sc->vxlan_refcount > 0 &&
pi->vxlan_tcam_entry == false) {
rc = t4_alloc_raw_mac_filt(sc, vi->viid, match_all_mac,
match_all_mac, sc->rawf_base + pi->port_id, 1, pi->port_id,
true);
if (rc < 0) {
rc = -rc;
if_printf(ifp, "failed to add VXLAN TCAM entry: %d.\n",
rc);
} else {
MPASS(rc == sc->rawf_base + pi->port_id);
rc = 0;
pi->vxlan_tcam_entry = true;
}
}
return (rc);
}
/*
* {begin|end}_synchronized_op must be called from the same thread.
*/
int
begin_synchronized_op(struct adapter *sc, struct vi_info *vi, int flags,
char *wmesg)
{
int rc, pri;
#ifdef WITNESS
/* the caller thinks it's ok to sleep, but is it really? */
if (flags & SLEEP_OK)
WITNESS_WARN(WARN_GIANTOK | WARN_SLEEPOK, NULL,
"begin_synchronized_op");
#endif
if (INTR_OK)
pri = PCATCH;
else
pri = 0;
ADAPTER_LOCK(sc);
for (;;) {
if (vi && IS_DOOMED(vi)) {
rc = ENXIO;
goto done;
}
if (!IS_BUSY(sc)) {
rc = 0;
break;
}
if (!(flags & SLEEP_OK)) {
rc = EBUSY;
goto done;
}
if (mtx_sleep(&sc->flags, &sc->sc_lock, pri, wmesg, 0)) {
rc = EINTR;
goto done;
}
}
KASSERT(!IS_BUSY(sc), ("%s: controller busy.", __func__));
SET_BUSY(sc);
#ifdef INVARIANTS
sc->last_op = wmesg;
sc->last_op_thr = curthread;
sc->last_op_flags = flags;
#endif
done:
if (!(flags & HOLD_LOCK) || rc)
ADAPTER_UNLOCK(sc);
return (rc);
}
/*
* Tell if_ioctl and if_init that the VI is going away. This is
* special variant of begin_synchronized_op and must be paired with a
* call to end_synchronized_op.
*/
void
doom_vi(struct adapter *sc, struct vi_info *vi)
{
ADAPTER_LOCK(sc);
SET_DOOMED(vi);
wakeup(&sc->flags);
while (IS_BUSY(sc))
mtx_sleep(&sc->flags, &sc->sc_lock, 0, "t4detach", 0);
SET_BUSY(sc);
#ifdef INVARIANTS
sc->last_op = "t4detach";
sc->last_op_thr = curthread;
sc->last_op_flags = 0;
#endif
ADAPTER_UNLOCK(sc);
}
/*
* {begin|end}_synchronized_op must be called from the same thread.
*/
void
end_synchronized_op(struct adapter *sc, int flags)
{
if (flags & LOCK_HELD)
ADAPTER_LOCK_ASSERT_OWNED(sc);
else
ADAPTER_LOCK(sc);
KASSERT(IS_BUSY(sc), ("%s: controller not busy.", __func__));
CLR_BUSY(sc);
wakeup(&sc->flags);
ADAPTER_UNLOCK(sc);
}
static int
cxgbe_init_synchronized(struct vi_info *vi)
{
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
struct ifnet *ifp = vi->ifp;
int rc = 0, i;
struct sge_txq *txq;
ASSERT_SYNCHRONIZED_OP(sc);
if (ifp->if_drv_flags & IFF_DRV_RUNNING)
return (0); /* already running */
if (!(sc->flags & FULL_INIT_DONE) && ((rc = adapter_init(sc)) != 0))
return (rc); /* error message displayed already */
if (!(vi->flags & VI_INIT_DONE) && ((rc = vi_init(vi)) != 0))
return (rc); /* error message displayed already */
rc = update_mac_settings(ifp, XGMAC_ALL);
if (rc)
goto done; /* error message displayed already */
PORT_LOCK(pi);
if (pi->up_vis == 0) {
t4_update_port_info(pi);
fixup_link_config(pi);
build_medialist(pi);
apply_link_config(pi);
}
rc = -t4_enable_vi(sc, sc->mbox, vi->viid, true, true);
if (rc != 0) {
if_printf(ifp, "enable_vi failed: %d\n", rc);
PORT_UNLOCK(pi);
goto done;
}
/*
* Can't fail from this point onwards. Review cxgbe_uninit_synchronized
* if this changes.
*/
for_each_txq(vi, i, txq) {
TXQ_LOCK(txq);
txq->eq.flags |= EQ_ENABLED;
TXQ_UNLOCK(txq);
}
/*
* The first iq of the first port to come up is used for tracing.
*/
if (sc->traceq < 0 && IS_MAIN_VI(vi)) {
sc->traceq = sc->sge.rxq[vi->first_rxq].iq.abs_id;
t4_write_reg(sc, is_t4(sc) ? A_MPS_TRC_RSS_CONTROL :
A_MPS_T5_TRC_RSS_CONTROL, V_RSSCONTROL(pi->tx_chan) |
V_QUEUENUMBER(sc->traceq));
pi->flags |= HAS_TRACEQ;
}
/* all ok */
pi->up_vis++;
ifp->if_drv_flags |= IFF_DRV_RUNNING;
if (pi->link_cfg.link_ok)
t4_os_link_changed(pi);
PORT_UNLOCK(pi);
mtx_lock(&vi->tick_mtx);
if (ifp->if_get_counter == vi_get_counter)
callout_reset(&vi->tick, hz, vi_tick, vi);
else
callout_reset(&vi->tick, hz, cxgbe_tick, vi);
mtx_unlock(&vi->tick_mtx);
done:
if (rc != 0)
cxgbe_uninit_synchronized(vi);
return (rc);
}
/*
* Idempotent.
*/
static int
cxgbe_uninit_synchronized(struct vi_info *vi)
{
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
struct ifnet *ifp = vi->ifp;
int rc, i;
struct sge_txq *txq;
ASSERT_SYNCHRONIZED_OP(sc);
if (!(vi->flags & VI_INIT_DONE)) {
if (__predict_false(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
KASSERT(0, ("uninited VI is running"));
if_printf(ifp, "uninited VI with running ifnet. "
"vi->flags 0x%016lx, if_flags 0x%08x, "
"if_drv_flags 0x%08x\n", vi->flags, ifp->if_flags,
ifp->if_drv_flags);
}
return (0);
}
/*
* Disable the VI so that all its data in either direction is discarded
* by the MPS. Leave everything else (the queues, interrupts, and 1Hz
* tick) intact as the TP can deliver negative advice or data that it's
* holding in its RAM (for an offloaded connection) even after the VI is
* disabled.
*/
rc = -t4_enable_vi(sc, sc->mbox, vi->viid, false, false);
if (rc) {
if_printf(ifp, "disable_vi failed: %d\n", rc);
return (rc);
}
for_each_txq(vi, i, txq) {
TXQ_LOCK(txq);
txq->eq.flags &= ~EQ_ENABLED;
TXQ_UNLOCK(txq);
}
mtx_lock(&vi->tick_mtx);
callout_stop(&vi->tick);
mtx_unlock(&vi->tick_mtx);
PORT_LOCK(pi);
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
PORT_UNLOCK(pi);
return (0);
}
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
pi->up_vis--;
if (pi->up_vis > 0) {
PORT_UNLOCK(pi);
return (0);
}
pi->link_cfg.link_ok = false;
pi->link_cfg.speed = 0;
pi->link_cfg.link_down_rc = 255;
t4_os_link_changed(pi);
PORT_UNLOCK(pi);
return (0);
}
/*
* It is ok for this function to fail midway and return right away. t4_detach
* will walk the entire sc->irq list and clean up whatever is valid.
*/
int
t4_setup_intr_handlers(struct adapter *sc)
{
int rc, rid, p, q, v;
char s[8];
struct irq *irq;
struct port_info *pi;
struct vi_info *vi;
struct sge *sge = &sc->sge;
struct sge_rxq *rxq;
#ifdef TCP_OFFLOAD
struct sge_ofld_rxq *ofld_rxq;
#endif
#ifdef DEV_NETMAP
struct sge_nm_rxq *nm_rxq;
#endif
#ifdef RSS
int nbuckets = rss_getnumbuckets();
#endif
/*
* Setup interrupts.
*/
irq = &sc->irq[0];
rid = sc->intr_type == INTR_INTX ? 0 : 1;
if (forwarding_intr_to_fwq(sc))
return (t4_alloc_irq(sc, irq, rid, t4_intr_all, sc, "all"));
/* Multiple interrupts. */
if (sc->flags & IS_VF)
KASSERT(sc->intr_count >= T4VF_EXTRA_INTR + sc->params.nports,
("%s: too few intr.", __func__));
else
KASSERT(sc->intr_count >= T4_EXTRA_INTR + sc->params.nports,
("%s: too few intr.", __func__));
/* The first one is always error intr on PFs */
if (!(sc->flags & IS_VF)) {
rc = t4_alloc_irq(sc, irq, rid, t4_intr_err, sc, "err");
if (rc != 0)
return (rc);
irq++;
rid++;
}
/* The second one is always the firmware event queue (first on VFs) */
rc = t4_alloc_irq(sc, irq, rid, t4_intr_evt, &sge->fwq, "evt");
if (rc != 0)
return (rc);
irq++;
rid++;
for_each_port(sc, p) {
pi = sc->port[p];
for_each_vi(pi, v, vi) {
vi->first_intr = rid - 1;
if (vi->nnmrxq > 0) {
int n = max(vi->nrxq, vi->nnmrxq);
rxq = &sge->rxq[vi->first_rxq];
#ifdef DEV_NETMAP
nm_rxq = &sge->nm_rxq[vi->first_nm_rxq];
#endif
for (q = 0; q < n; q++) {
snprintf(s, sizeof(s), "%x%c%x", p,
'a' + v, q);
if (q < vi->nrxq)
irq->rxq = rxq++;
#ifdef DEV_NETMAP
if (q < vi->nnmrxq)
irq->nm_rxq = nm_rxq++;
if (irq->nm_rxq != NULL &&
irq->rxq == NULL) {
/* Netmap rx only */
rc = t4_alloc_irq(sc, irq, rid,
t4_nm_intr, irq->nm_rxq, s);
}
if (irq->nm_rxq != NULL &&
irq->rxq != NULL) {
/* NIC and Netmap rx */
rc = t4_alloc_irq(sc, irq, rid,
t4_vi_intr, irq, s);
}
#endif
if (irq->rxq != NULL &&
irq->nm_rxq == NULL) {
/* NIC rx only */
rc = t4_alloc_irq(sc, irq, rid,
t4_intr, irq->rxq, s);
}
if (rc != 0)
return (rc);
#ifdef RSS
if (q < vi->nrxq) {
bus_bind_intr(sc->dev, irq->res,
rss_getcpu(q % nbuckets));
}
#endif
irq++;
rid++;
vi->nintr++;
}
} else {
for_each_rxq(vi, q, rxq) {
snprintf(s, sizeof(s), "%x%c%x", p,
'a' + v, q);
rc = t4_alloc_irq(sc, irq, rid,
t4_intr, rxq, s);
if (rc != 0)
return (rc);
#ifdef RSS
bus_bind_intr(sc->dev, irq->res,
rss_getcpu(q % nbuckets));
#endif
irq++;
rid++;
vi->nintr++;
}
}
#ifdef TCP_OFFLOAD
for_each_ofld_rxq(vi, q, ofld_rxq) {
snprintf(s, sizeof(s), "%x%c%x", p, 'A' + v, q);
rc = t4_alloc_irq(sc, irq, rid, t4_intr,
ofld_rxq, s);
if (rc != 0)
return (rc);
irq++;
rid++;
vi->nintr++;
}
#endif
}
}
MPASS(irq == &sc->irq[sc->intr_count]);
return (0);
}
static void
write_global_rss_key(struct adapter *sc)
{
#ifdef RSS
int i;
uint32_t raw_rss_key[RSS_KEYSIZE / sizeof(uint32_t)];
uint32_t rss_key[RSS_KEYSIZE / sizeof(uint32_t)];
CTASSERT(RSS_KEYSIZE == 40);
rss_getkey((void *)&raw_rss_key[0]);
for (i = 0; i < nitems(rss_key); i++) {
rss_key[i] = htobe32(raw_rss_key[nitems(rss_key) - 1 - i]);
}
t4_write_rss_key(sc, &rss_key[0], -1, 1);
#endif
}
/*
* Idempotent.
*/
static int
adapter_full_init(struct adapter *sc)
{
int rc, i;
ASSERT_SYNCHRONIZED_OP(sc);
if (!(sc->flags & ADAP_SYSCTL_CTX)) {
sysctl_ctx_init(&sc->ctx);
sc->flags |= ADAP_SYSCTL_CTX;
}
/*
* queues that belong to the adapter (not any particular port).
*/
rc = t4_setup_adapter_queues(sc);
if (rc != 0)
return (rc);
for (i = 0; i < nitems(sc->tq); i++) {
if (sc->tq[i] != NULL)
continue;
sc->tq[i] = taskqueue_create("t4 taskq", M_NOWAIT,
taskqueue_thread_enqueue, &sc->tq[i]);
if (sc->tq[i] == NULL) {
CH_ERR(sc, "failed to allocate task queue %d\n", i);
return (ENOMEM);
}
taskqueue_start_threads(&sc->tq[i], 1, PI_NET, "%s tq%d",
device_get_nameunit(sc->dev), i);
}
if (!(sc->flags & IS_VF)) {
write_global_rss_key(sc);
t4_intr_enable(sc);
}
#ifdef KERN_TLS
if (is_ktls(sc))
callout_reset_sbt(&sc->ktls_tick, SBT_1MS, 0, ktls_tick, sc,
C_HARDCLOCK);
#endif
return (0);
}
int
adapter_init(struct adapter *sc)
{
int rc;
ASSERT_SYNCHRONIZED_OP(sc);
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
KASSERT((sc->flags & FULL_INIT_DONE) == 0,
("%s: FULL_INIT_DONE already", __func__));
rc = adapter_full_init(sc);
if (rc != 0)
adapter_full_uninit(sc);
else
sc->flags |= FULL_INIT_DONE;
return (rc);
}
/*
* Idempotent.
*/
static void
adapter_full_uninit(struct adapter *sc)
{
int i;
/* Do this before freeing the adapter queues. */
if (sc->flags & ADAP_SYSCTL_CTX) {
sysctl_ctx_free(&sc->ctx);
sc->flags &= ~ADAP_SYSCTL_CTX;
}
t4_teardown_adapter_queues(sc);
for (i = 0; i < nitems(sc->tq) && sc->tq[i]; i++) {
taskqueue_free(sc->tq[i]);
sc->tq[i] = NULL;
}
sc->flags &= ~FULL_INIT_DONE;
}
#ifdef RSS
#define SUPPORTED_RSS_HASHTYPES (RSS_HASHTYPE_RSS_IPV4 | \
RSS_HASHTYPE_RSS_TCP_IPV4 | RSS_HASHTYPE_RSS_IPV6 | \
RSS_HASHTYPE_RSS_TCP_IPV6 | RSS_HASHTYPE_RSS_UDP_IPV4 | \
RSS_HASHTYPE_RSS_UDP_IPV6)
/* Translates kernel hash types to hardware. */
static int
hashconfig_to_hashen(int hashconfig)
{
int hashen = 0;
if (hashconfig & RSS_HASHTYPE_RSS_IPV4)
hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
if (hashconfig & RSS_HASHTYPE_RSS_IPV6)
hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV4) {
hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN |
F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
}
if (hashconfig & RSS_HASHTYPE_RSS_UDP_IPV6) {
hashen |= F_FW_RSS_VI_CONFIG_CMD_UDPEN |
F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
}
if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV4)
hashen |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
if (hashconfig & RSS_HASHTYPE_RSS_TCP_IPV6)
hashen |= F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
return (hashen);
}
/* Translates hardware hash types to kernel. */
static int
hashen_to_hashconfig(int hashen)
{
int hashconfig = 0;
if (hashen & F_FW_RSS_VI_CONFIG_CMD_UDPEN) {
/*
* If UDP hashing was enabled it must have been enabled for
* either IPv4 or IPv6 (inclusive or). Enabling UDP without
* enabling any 4-tuple hash is nonsense configuration.
*/
MPASS(hashen & (F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN));
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV4;
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_UDP_IPV6;
}
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV4;
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_TCP_IPV6;
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_IPV4;
if (hashen & F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN)
hashconfig |= RSS_HASHTYPE_RSS_IPV6;
return (hashconfig);
}
#endif
/*
* Idempotent.
*/
static int
vi_full_init(struct vi_info *vi)
{
struct adapter *sc = vi->adapter;
struct sge_rxq *rxq;
int rc, i, j;
#ifdef RSS
int nbuckets = rss_getnumbuckets();
int hashconfig = rss_gethashconfig();
int extra;
#endif
ASSERT_SYNCHRONIZED_OP(sc);
if (!(vi->flags & VI_SYSCTL_CTX)) {
sysctl_ctx_init(&vi->ctx);
vi->flags |= VI_SYSCTL_CTX;
}
/*
* Allocate tx/rx/fl queues for this VI.
*/
rc = t4_setup_vi_queues(vi);
if (rc != 0)
return (rc);
/*
* Setup RSS for this VI. Save a copy of the RSS table for later use.
*/
if (vi->nrxq > vi->rss_size) {
CH_ALERT(vi, "nrxq (%d) > hw RSS table size (%d); "
"some queues will never receive traffic.\n", vi->nrxq,
vi->rss_size);
} else if (vi->rss_size % vi->nrxq) {
CH_ALERT(vi, "nrxq (%d), hw RSS table size (%d); "
"expect uneven traffic distribution.\n", vi->nrxq,
vi->rss_size);
}
#ifdef RSS
if (vi->nrxq != nbuckets) {
CH_ALERT(vi, "nrxq (%d) != kernel RSS buckets (%d);"
"performance will be impacted.\n", vi->nrxq, nbuckets);
}
#endif
if (vi->rss == NULL)
vi->rss = malloc(vi->rss_size * sizeof (*vi->rss), M_CXGBE,
M_ZERO | M_WAITOK);
for (i = 0; i < vi->rss_size;) {
#ifdef RSS
j = rss_get_indirection_to_bucket(i);
j %= vi->nrxq;
rxq = &sc->sge.rxq[vi->first_rxq + j];
vi->rss[i++] = rxq->iq.abs_id;
#else
for_each_rxq(vi, j, rxq) {
vi->rss[i++] = rxq->iq.abs_id;
if (i == vi->rss_size)
break;
}
#endif
}
rc = -t4_config_rss_range(sc, sc->mbox, vi->viid, 0, vi->rss_size,
vi->rss, vi->rss_size);
if (rc != 0) {
CH_ERR(vi, "rss_config failed: %d\n", rc);
return (rc);
}
#ifdef RSS
vi->hashen = hashconfig_to_hashen(hashconfig);
/*
* We may have had to enable some hashes even though the global config
* wants them disabled. This is a potential problem that must be
* reported to the user.
*/
extra = hashen_to_hashconfig(vi->hashen) ^ hashconfig;
/*
* If we consider only the supported hash types, then the enabled hashes
* are a superset of the requested hashes. In other words, there cannot
* be any supported hash that was requested but not enabled, but there
* can be hashes that were not requested but had to be enabled.
*/
extra &= SUPPORTED_RSS_HASHTYPES;
MPASS((extra & hashconfig) == 0);
if (extra) {
CH_ALERT(vi,
"global RSS config (0x%x) cannot be accommodated.\n",
hashconfig);
}
if (extra & RSS_HASHTYPE_RSS_IPV4)
CH_ALERT(vi, "IPv4 2-tuple hashing forced on.\n");
if (extra & RSS_HASHTYPE_RSS_TCP_IPV4)
CH_ALERT(vi, "TCP/IPv4 4-tuple hashing forced on.\n");
if (extra & RSS_HASHTYPE_RSS_IPV6)
CH_ALERT(vi, "IPv6 2-tuple hashing forced on.\n");
if (extra & RSS_HASHTYPE_RSS_TCP_IPV6)
CH_ALERT(vi, "TCP/IPv6 4-tuple hashing forced on.\n");
if (extra & RSS_HASHTYPE_RSS_UDP_IPV4)
CH_ALERT(vi, "UDP/IPv4 4-tuple hashing forced on.\n");
if (extra & RSS_HASHTYPE_RSS_UDP_IPV6)
CH_ALERT(vi, "UDP/IPv6 4-tuple hashing forced on.\n");
#else
vi->hashen = F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN | F_FW_RSS_VI_CONFIG_CMD_UDPEN;
#endif
rc = -t4_config_vi_rss(sc, sc->mbox, vi->viid, vi->hashen, vi->rss[0],
0, 0);
if (rc != 0) {
CH_ERR(vi, "rss hash/defaultq config failed: %d\n", rc);
return (rc);
}
return (0);
}
int
vi_init(struct vi_info *vi)
{
int rc;
ASSERT_SYNCHRONIZED_OP(vi->adapter);
KASSERT((vi->flags & VI_INIT_DONE) == 0,
("%s: VI_INIT_DONE already", __func__));
rc = vi_full_init(vi);
if (rc != 0)
vi_full_uninit(vi);
else
vi->flags |= VI_INIT_DONE;
return (rc);
}
/*
* Idempotent.
*/
static void
vi_full_uninit(struct vi_info *vi)
{
if (vi->flags & VI_INIT_DONE) {
quiesce_vi(vi);
free(vi->rss, M_CXGBE);
free(vi->nm_rss, M_CXGBE);
}
/* Do this before freeing the VI queues. */
if (vi->flags & VI_SYSCTL_CTX) {
sysctl_ctx_free(&vi->ctx);
vi->flags &= ~VI_SYSCTL_CTX;
}
t4_teardown_vi_queues(vi);
vi->flags &= ~VI_INIT_DONE;
}
static void
quiesce_txq(struct sge_txq *txq)
{
struct sge_eq *eq = &txq->eq;
struct sge_qstat *spg = (void *)&eq->desc[eq->sidx];
MPASS(eq->flags & EQ_SW_ALLOCATED);
MPASS(!(eq->flags & EQ_ENABLED));
/* Wait for the mp_ring to empty. */
while (!mp_ring_is_idle(txq->r)) {
mp_ring_check_drainage(txq->r, 4096);
pause("rquiesce", 1);
}
MPASS(txq->txp.npkt == 0);
if (eq->flags & EQ_HW_ALLOCATED) {
/*
* Hardware is alive and working normally. Wait for it to
* finish and then wait for the driver to catch up and reclaim
* all descriptors.
*/
while (spg->cidx != htobe16(eq->pidx))
pause("equiesce", 1);
while (eq->cidx != eq->pidx)
pause("dquiesce", 1);
} else {
/*
* Hardware is unavailable. Discard all pending tx and reclaim
* descriptors directly.
*/
TXQ_LOCK(txq);
while (eq->cidx != eq->pidx) {
struct mbuf *m, *nextpkt;
struct tx_sdesc *txsd;
txsd = &txq->sdesc[eq->cidx];
for (m = txsd->m; m != NULL; m = nextpkt) {
nextpkt = m->m_nextpkt;
m->m_nextpkt = NULL;
m_freem(m);
}
IDXINCR(eq->cidx, txsd->desc_used, eq->sidx);
}
spg->pidx = spg->cidx = htobe16(eq->cidx);
TXQ_UNLOCK(txq);
}
}
static void
quiesce_wrq(struct sge_wrq *wrq)
{
/* XXXTX */
}
static void
quiesce_iq_fl(struct adapter *sc, struct sge_iq *iq, struct sge_fl *fl)
{
/* Synchronize with the interrupt handler */
while (!atomic_cmpset_int(&iq->state, IQS_IDLE, IQS_DISABLED))
pause("iqfree", 1);
if (fl != NULL) {
MPASS(iq->flags & IQ_HAS_FL);
mtx_lock(&sc->sfl_lock);
FL_LOCK(fl);
fl->flags |= FL_DOOMED;
FL_UNLOCK(fl);
callout_stop(&sc->sfl_callout);
mtx_unlock(&sc->sfl_lock);
KASSERT((fl->flags & FL_STARVING) == 0,
("%s: still starving", __func__));
/* Release all buffers if hardware is no longer available. */
if (!(iq->flags & IQ_HW_ALLOCATED))
free_fl_buffers(sc, fl);
}
}
/*
* Wait for all activity on all the queues of the VI to complete. It is assumed
* that no new work is being enqueued by the hardware or the driver. That part
* should be arranged before calling this function.
*/
static void
quiesce_vi(struct vi_info *vi)
{
int i;
struct adapter *sc = vi->adapter;
struct sge_rxq *rxq;
struct sge_txq *txq;
#ifdef TCP_OFFLOAD
struct sge_ofld_rxq *ofld_rxq;
#endif
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
struct sge_ofld_txq *ofld_txq;
#endif
if (!(vi->flags & VI_INIT_DONE))
return;
for_each_txq(vi, i, txq) {
quiesce_txq(txq);
}
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
for_each_ofld_txq(vi, i, ofld_txq) {
quiesce_wrq(&ofld_txq->wrq);
}
#endif
for_each_rxq(vi, i, rxq) {
quiesce_iq_fl(sc, &rxq->iq, &rxq->fl);
}
#ifdef TCP_OFFLOAD
for_each_ofld_rxq(vi, i, ofld_rxq) {
quiesce_iq_fl(sc, &ofld_rxq->iq, &ofld_rxq->fl);
}
#endif
}
static int
t4_alloc_irq(struct adapter *sc, struct irq *irq, int rid,
driver_intr_t *handler, void *arg, char *name)
{
int rc;
irq->rid = rid;
irq->res = bus_alloc_resource_any(sc->dev, SYS_RES_IRQ, &irq->rid,
RF_SHAREABLE | RF_ACTIVE);
if (irq->res == NULL) {
device_printf(sc->dev,
"failed to allocate IRQ for rid %d, name %s.\n", rid, name);
return (ENOMEM);
}
rc = bus_setup_intr(sc->dev, irq->res, INTR_MPSAFE | INTR_TYPE_NET,
NULL, handler, arg, &irq->tag);
if (rc != 0) {
device_printf(sc->dev,
"failed to setup interrupt for rid %d, name %s: %d\n",
rid, name, rc);
} else if (name)
bus_describe_intr(sc->dev, irq->res, irq->tag, "%s", name);
return (rc);
}
static int
t4_free_irq(struct adapter *sc, struct irq *irq)
{
if (irq->tag)
bus_teardown_intr(sc->dev, irq->res, irq->tag);
if (irq->res)
bus_release_resource(sc->dev, SYS_RES_IRQ, irq->rid, irq->res);
bzero(irq, sizeof(*irq));
return (0);
}
static void
get_regs(struct adapter *sc, struct t4_regdump *regs, uint8_t *buf)
{
regs->version = chip_id(sc) | chip_rev(sc) << 10;
t4_get_regs(sc, buf, regs->len);
}
#define A_PL_INDIR_CMD 0x1f8
#define S_PL_AUTOINC 31
#define M_PL_AUTOINC 0x1U
#define V_PL_AUTOINC(x) ((x) << S_PL_AUTOINC)
#define G_PL_AUTOINC(x) (((x) >> S_PL_AUTOINC) & M_PL_AUTOINC)
#define S_PL_VFID 20
#define M_PL_VFID 0xffU
#define V_PL_VFID(x) ((x) << S_PL_VFID)
#define G_PL_VFID(x) (((x) >> S_PL_VFID) & M_PL_VFID)
#define S_PL_ADDR 0
#define M_PL_ADDR 0xfffffU
#define V_PL_ADDR(x) ((x) << S_PL_ADDR)
#define G_PL_ADDR(x) (((x) >> S_PL_ADDR) & M_PL_ADDR)
#define A_PL_INDIR_DATA 0x1fc
static uint64_t
read_vf_stat(struct adapter *sc, u_int vin, int reg)
{
u32 stats[2];
if (sc->flags & IS_VF) {
stats[0] = t4_read_reg(sc, VF_MPS_REG(reg));
stats[1] = t4_read_reg(sc, VF_MPS_REG(reg + 4));
} else {
mtx_assert(&sc->reg_lock, MA_OWNED);
t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) |
V_PL_VFID(vin) | V_PL_ADDR(VF_MPS_REG(reg)));
stats[0] = t4_read_reg(sc, A_PL_INDIR_DATA);
stats[1] = t4_read_reg(sc, A_PL_INDIR_DATA);
}
return (((uint64_t)stats[1]) << 32 | stats[0]);
}
static void
t4_get_vi_stats(struct adapter *sc, u_int vin, struct fw_vi_stats_vf *stats)
{
#define GET_STAT(name) \
read_vf_stat(sc, vin, A_MPS_VF_STAT_##name##_L)
if (!(sc->flags & IS_VF))
mtx_lock(&sc->reg_lock);
stats->tx_bcast_bytes = GET_STAT(TX_VF_BCAST_BYTES);
stats->tx_bcast_frames = GET_STAT(TX_VF_BCAST_FRAMES);
stats->tx_mcast_bytes = GET_STAT(TX_VF_MCAST_BYTES);
stats->tx_mcast_frames = GET_STAT(TX_VF_MCAST_FRAMES);
stats->tx_ucast_bytes = GET_STAT(TX_VF_UCAST_BYTES);
stats->tx_ucast_frames = GET_STAT(TX_VF_UCAST_FRAMES);
stats->tx_drop_frames = GET_STAT(TX_VF_DROP_FRAMES);
stats->tx_offload_bytes = GET_STAT(TX_VF_OFFLOAD_BYTES);
stats->tx_offload_frames = GET_STAT(TX_VF_OFFLOAD_FRAMES);
stats->rx_bcast_bytes = GET_STAT(RX_VF_BCAST_BYTES);
stats->rx_bcast_frames = GET_STAT(RX_VF_BCAST_FRAMES);
stats->rx_mcast_bytes = GET_STAT(RX_VF_MCAST_BYTES);
stats->rx_mcast_frames = GET_STAT(RX_VF_MCAST_FRAMES);
stats->rx_ucast_bytes = GET_STAT(RX_VF_UCAST_BYTES);
stats->rx_ucast_frames = GET_STAT(RX_VF_UCAST_FRAMES);
stats->rx_err_frames = GET_STAT(RX_VF_ERR_FRAMES);
if (!(sc->flags & IS_VF))
mtx_unlock(&sc->reg_lock);
#undef GET_STAT
}
static void
t4_clr_vi_stats(struct adapter *sc, u_int vin)
{
int reg;
t4_write_reg(sc, A_PL_INDIR_CMD, V_PL_AUTOINC(1) | V_PL_VFID(vin) |
V_PL_ADDR(VF_MPS_REG(A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L)));
for (reg = A_MPS_VF_STAT_TX_VF_BCAST_BYTES_L;
reg <= A_MPS_VF_STAT_RX_VF_ERR_FRAMES_H; reg += 4)
t4_write_reg(sc, A_PL_INDIR_DATA, 0);
}
static void
vi_refresh_stats(struct vi_info *vi)
{
struct timeval tv;
const struct timeval interval = {0, 250000}; /* 250ms */
mtx_assert(&vi->tick_mtx, MA_OWNED);
if (!(vi->flags & VI_INIT_DONE) || vi->flags & VI_SKIP_STATS)
return;
getmicrotime(&tv);
timevalsub(&tv, &interval);
if (timevalcmp(&tv, &vi->last_refreshed, <))
return;
t4_get_vi_stats(vi->adapter, vi->vin, &vi->stats);
getmicrotime(&vi->last_refreshed);
}
static void
cxgbe_refresh_stats(struct vi_info *vi)
{
u_int i, v, tnl_cong_drops, chan_map;
struct timeval tv;
const struct timeval interval = {0, 250000}; /* 250ms */
struct port_info *pi;
struct adapter *sc;
mtx_assert(&vi->tick_mtx, MA_OWNED);
if (vi->flags & VI_SKIP_STATS)
return;
getmicrotime(&tv);
timevalsub(&tv, &interval);
if (timevalcmp(&tv, &vi->last_refreshed, <))
return;
pi = vi->pi;
sc = vi->adapter;
tnl_cong_drops = 0;
t4_get_port_stats(sc, pi->tx_chan, &pi->stats);
chan_map = pi->rx_e_chan_map;
while (chan_map) {
i = ffs(chan_map) - 1;
mtx_lock(&sc->reg_lock);
t4_read_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v, 1,
A_TP_MIB_TNL_CNG_DROP_0 + i);
mtx_unlock(&sc->reg_lock);
tnl_cong_drops += v;
chan_map &= ~(1 << i);
}
pi->tnl_cong_drops = tnl_cong_drops;
getmicrotime(&vi->last_refreshed);
}
static void
cxgbe_tick(void *arg)
{
struct vi_info *vi = arg;
MPASS(IS_MAIN_VI(vi));
mtx_assert(&vi->tick_mtx, MA_OWNED);
cxgbe_refresh_stats(vi);
callout_schedule(&vi->tick, hz);
}
static void
vi_tick(void *arg)
{
struct vi_info *vi = arg;
mtx_assert(&vi->tick_mtx, MA_OWNED);
vi_refresh_stats(vi);
callout_schedule(&vi->tick, hz);
}
/*
* Should match fw_caps_config_<foo> enums in t4fw_interface.h
*/
static char *caps_decoder[] = {
"\20\001IPMI\002NCSI", /* 0: NBM */
"\20\001PPP\002QFC\003DCBX", /* 1: link */
"\20\001INGRESS\002EGRESS", /* 2: switch */
"\20\001NIC\002VM\003IDS\004UM\005UM_ISGL" /* 3: NIC */
"\006HASHFILTER\007ETHOFLD",
"\20\001TOE", /* 4: TOE */
"\20\001RDDP\002RDMAC", /* 5: RDMA */
"\20\001INITIATOR_PDU\002TARGET_PDU" /* 6: iSCSI */
"\003INITIATOR_CNXOFLD\004TARGET_CNXOFLD"
"\005INITIATOR_SSNOFLD\006TARGET_SSNOFLD"
"\007T10DIF"
"\010INITIATOR_CMDOFLD\011TARGET_CMDOFLD",
"\20\001LOOKASIDE\002TLSKEYS\003IPSEC_INLINE" /* 7: Crypto */
"\004TLS_HW",
"\20\001INITIATOR\002TARGET\003CTRL_OFLD" /* 8: FCoE */
"\004PO_INITIATOR\005PO_TARGET",
};
void
t4_sysctls(struct adapter *sc)
{
struct sysctl_ctx_list *ctx;
struct sysctl_oid *oid;
struct sysctl_oid_list *children, *c0;
static char *doorbells = {"\20\1UDB\2WCWR\3UDBWC\4KDB"};
ctx = device_get_sysctl_ctx(sc->dev);
/*
* dev.t4nex.X.
*/
oid = device_get_sysctl_tree(sc->dev);
c0 = children = SYSCTL_CHILDREN(oid);
sc->sc_do_rxcopy = 1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "do_rx_copy", CTLFLAG_RW,
&sc->sc_do_rxcopy, 1, "Do RX copy of small frames");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nports", CTLFLAG_RD, NULL,
sc->params.nports, "# of ports");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "doorbells",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, doorbells,
(uintptr_t)&sc->doorbells, sysctl_bitfield_8b, "A",
"available doorbells");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_clock", CTLFLAG_RD, NULL,
sc->params.vpd.cclk, "core clock frequency (in KHz)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_timers",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
sc->params.sge.timer_val, sizeof(sc->params.sge.timer_val),
sysctl_int_array, "A", "interrupt holdoff timer values (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pkt_counts",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE,
sc->params.sge.counter_val, sizeof(sc->params.sge.counter_val),
sysctl_int_array, "A", "interrupt holdoff packet counter values");
t4_sge_sysctls(sc, ctx, children);
sc->lro_timeout = 100;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lro_timeout", CTLFLAG_RW,
&sc->lro_timeout, 0, "lro inactive-flush timeout (in us)");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "dflags", CTLFLAG_RW,
&sc->debug_flags, 0, "flags to enable runtime debugging");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "tp_version",
CTLFLAG_RD, sc->tp_version, 0, "TP microcode version");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "firmware_version",
CTLFLAG_RD, sc->fw_version, 0, "firmware version");
if (sc->flags & IS_VF)
return;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "hw_revision", CTLFLAG_RD,
NULL, chip_rev(sc), "chip hardware revision");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "sn",
CTLFLAG_RD, sc->params.vpd.sn, 0, "serial number");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "pn",
CTLFLAG_RD, sc->params.vpd.pn, 0, "part number");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "ec",
CTLFLAG_RD, sc->params.vpd.ec, 0, "engineering change");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "md_version",
CTLFLAG_RD, sc->params.vpd.md, 0, "manufacturing diags version");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "na",
CTLFLAG_RD, sc->params.vpd.na, 0, "network address");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "er_version", CTLFLAG_RD,
sc->er_version, 0, "expansion ROM version");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "bs_version", CTLFLAG_RD,
sc->bs_version, 0, "bootstrap firmware version");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "scfg_version", CTLFLAG_RD,
NULL, sc->params.scfg_vers, "serial config version");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "vpd_version", CTLFLAG_RD,
NULL, sc->params.vpd_vers, "VPD version");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "cf",
CTLFLAG_RD, sc->cfg_file, 0, "configuration file");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "cfcsum", CTLFLAG_RD, NULL,
sc->cfcsum, "config file checksum");
#define SYSCTL_CAP(name, n, text) \
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, #name, \
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, caps_decoder[n], \
(uintptr_t)&sc->name, sysctl_bitfield_16b, "A", \
"available " text " capabilities")
SYSCTL_CAP(nbmcaps, 0, "NBM");
SYSCTL_CAP(linkcaps, 1, "link");
SYSCTL_CAP(switchcaps, 2, "switch");
SYSCTL_CAP(niccaps, 3, "NIC");
SYSCTL_CAP(toecaps, 4, "TCP offload");
SYSCTL_CAP(rdmacaps, 5, "RDMA");
SYSCTL_CAP(iscsicaps, 6, "iSCSI");
SYSCTL_CAP(cryptocaps, 7, "crypto");
SYSCTL_CAP(fcoecaps, 8, "FCoE");
#undef SYSCTL_CAP
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nfilters", CTLFLAG_RD,
NULL, sc->tids.nftids, "number of filters");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature",
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_temperature, "I", "chip temperature (in Celsius)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "reset_sensor",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0,
sysctl_reset_sensor, "I", "reset the chip's temperature sensor.");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "loadavg",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_loadavg, "A",
"microprocessor load averages (debug firmwares only)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "core_vdd",
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0, sysctl_vdd,
"I", "core Vdd (in mV)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "local_cpus",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, LOCAL_CPUS,
sysctl_cpus, "A", "local CPUs");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "intr_cpus",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, INTR_CPUS,
sysctl_cpus, "A", "preferred CPUs for interrupts");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "swintr", CTLFLAG_RW,
&sc->swintr, 0, "software triggered interrupts");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "reset",
CTLTYPE_INT | CTLFLAG_RW, sc, 0, sysctl_reset, "I",
"1 = reset adapter, 0 = zero reset counter");
/*
* dev.t4nex.X.misc. Marked CTLFLAG_SKIP to avoid information overload.
*/
oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "misc",
CTLFLAG_RD | CTLFLAG_SKIP | CTLFLAG_MPSAFE, NULL,
"logs and miscellaneous information");
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cctrl",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cctrl, "A", "congestion control");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp0",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cim_ibq_obq, "A", "CIM IBQ 0 (TP0)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_tp1",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 1,
sysctl_cim_ibq_obq, "A", "CIM IBQ 1 (TP1)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ulp",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 2,
sysctl_cim_ibq_obq, "A", "CIM IBQ 2 (ULP)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge0",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 3,
sysctl_cim_ibq_obq, "A", "CIM IBQ 3 (SGE0)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_sge1",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 4,
sysctl_cim_ibq_obq, "A", "CIM IBQ 4 (SGE1)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ibq_ncsi",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 5,
sysctl_cim_ibq_obq, "A", "CIM IBQ 5 (NCSI)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_la",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cim_la, "A", "CIM logic analyzer");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_ma_la",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cim_ma_la, "A", "CIM MA logic analyzer");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp0",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
0 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 0 (ULP0)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp1",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
1 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 1 (ULP1)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp2",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
2 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 2 (ULP2)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ulp3",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
3 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 3 (ULP3)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
4 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 4 (SGE)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_ncsi",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
5 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A", "CIM OBQ 5 (NCSI)");
if (chip_id(sc) > CHELSIO_T4) {
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge0_rx",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
6 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A",
"CIM OBQ 6 (SGE0-RX)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_obq_sge1_rx",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
7 + CIM_NUM_IBQ, sysctl_cim_ibq_obq, "A",
"CIM OBQ 7 (SGE1-RX)");
}
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_pif_la",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cim_pif_la, "A", "CIM PIF logic analyzer");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cim_qcfg",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cim_qcfg, "A", "CIM queue configuration");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cpl_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_cpl_stats, "A", "CPL statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ddp_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_ddp_stats, "A", "non-TCP DDP statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tid_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tid_stats, "A", "tid stats");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_devlog, "A", "firmware's device log");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fcoe_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_fcoe_stats, "A", "FCoE statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "hw_sched",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_hw_sched, "A", "hardware scheduler ");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "l2t",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_l2t, "A", "hardware L2 table");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "smt",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_smt, "A", "hardware source MAC table");
#ifdef INET6
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "clip",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_clip, "A", "active CLIP table entries");
#endif
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "lb_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_lb_stats, "A", "loopback statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "meminfo",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_meminfo, "A", "memory regions");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "mps_tcam",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
chip_id(sc) <= CHELSIO_T5 ? sysctl_mps_tcam : sysctl_mps_tcam_t6,
"A", "MPS TCAM entries");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "path_mtus",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_path_mtus, "A", "path MTUs");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pm_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_pm_stats, "A", "PM statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rdma_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_rdma_stats, "A", "RDMA statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tcp_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tcp_stats, "A", "TCP statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tids",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tids, "A", "TID information");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_err_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_err_stats, "A", "TP error statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tnl_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tnl_stats, "A", "TP tunnel statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la_mask",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_la_mask, "I", "TP logic analyzer event capture mask");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_la",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_la, "A", "TP logic analyzer");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tx_rate",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tx_rate, "A", "Tx rate");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ulprx_la",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_ulprx_la, "A", "ULPRX logic analyzer");
if (chip_id(sc) >= CHELSIO_T5) {
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "wcwr_stats",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_wcwr_stats, "A", "write combined work requests");
}
#ifdef KERN_TLS
if (is_ktls(sc)) {
/*
* dev.t4nex.0.tls.
*/
oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "tls",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "KERN_TLS parameters");
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "inline_keys",
CTLFLAG_RW, &sc->tlst.inline_keys, 0, "Always pass TLS "
"keys in work requests (1) or attempt to store TLS keys "
"in card memory.");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "combo_wrs",
CTLFLAG_RW, &sc->tlst.combo_wrs, 0, "Attempt to combine "
"TCB field updates with TLS record work requests.");
}
#endif
#ifdef TCP_OFFLOAD
if (is_offload(sc)) {
int i;
char s[4];
/*
* dev.t4nex.X.toe.
*/
oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "toe",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "TOE parameters");
children = SYSCTL_CHILDREN(oid);
sc->tt.cong_algorithm = -1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "cong_algorithm",
CTLFLAG_RW, &sc->tt.cong_algorithm, 0, "congestion control "
"(-1 = default, 0 = reno, 1 = tahoe, 2 = newreno, "
"3 = highspeed)");
sc->tt.sndbuf = -1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "sndbuf", CTLFLAG_RW,
&sc->tt.sndbuf, 0, "hardware send buffer");
sc->tt.ddp = 0;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp",
CTLFLAG_RW | CTLFLAG_SKIP, &sc->tt.ddp, 0, "");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_zcopy", CTLFLAG_RW,
&sc->tt.ddp, 0, "Enable zero-copy aio_read(2)");
sc->tt.rx_coalesce = -1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_coalesce",
CTLFLAG_RW, &sc->tt.rx_coalesce, 0, "receive coalescing");
sc->tt.tls = 0;
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tls", CTLTYPE_INT |
CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0, sysctl_tls, "I",
"Inline TLS allowed");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tls_rx_ports",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0,
sysctl_tls_rx_ports, "I",
"TCP ports that use inline TLS+TOE RX");
sc->tt.tls_rx_timeout = t4_toe_tls_rx_timeout;
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tls_rx_timeout",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, 0,
sysctl_tls_rx_timeout, "I",
"Timeout in seconds to downgrade TLS sockets to plain TOE");
sc->tt.tx_align = -1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_align",
CTLFLAG_RW, &sc->tt.tx_align, 0, "chop and align payload");
sc->tt.tx_zcopy = 0;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "tx_zcopy",
CTLFLAG_RW, &sc->tt.tx_zcopy, 0,
"Enable zero-copy aio_write(2)");
sc->tt.cop_managed_offloading = !!t4_cop_managed_offloading;
SYSCTL_ADD_INT(ctx, children, OID_AUTO,
"cop_managed_offloading", CTLFLAG_RW,
&sc->tt.cop_managed_offloading, 0,
"COP (Connection Offload Policy) controls all TOE offload");
sc->tt.autorcvbuf_inc = 16 * 1024;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "autorcvbuf_inc",
CTLFLAG_RW, &sc->tt.autorcvbuf_inc, 0,
"autorcvbuf increment");
sc->tt.update_hc_on_pmtu_change = 1;
SYSCTL_ADD_INT(ctx, children, OID_AUTO,
"update_hc_on_pmtu_change", CTLFLAG_RW,
&sc->tt.update_hc_on_pmtu_change, 0,
"Update hostcache entry if the PMTU changes");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timer_tick",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_tick, "A", "TP timer tick (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "timestamp_tick",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 1,
sysctl_tp_tick, "A", "TCP timestamp tick (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_tick",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 2,
sysctl_tp_tick, "A", "DACK tick (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "dack_timer",
CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, 0,
sysctl_tp_dack_timer, "IU", "DACK timer (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_min",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_RXT_MIN, sysctl_tp_timer, "LU",
"Minimum retransmit interval (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_max",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_RXT_MAX, sysctl_tp_timer, "LU",
"Maximum retransmit interval (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_min",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_PERS_MIN, sysctl_tp_timer, "LU",
"Persist timer min (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "persist_max",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_PERS_MAX, sysctl_tp_timer, "LU",
"Persist timer max (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_idle",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_KEEP_IDLE, sysctl_tp_timer, "LU",
"Keepalive idle timer (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_interval",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_KEEP_INTVL, sysctl_tp_timer, "LU",
"Keepalive interval timer (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "initial_srtt",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_INIT_SRTT, sysctl_tp_timer, "LU", "Initial SRTT (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "finwait2_timer",
CTLTYPE_ULONG | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
A_TP_FINWAIT2_TIMER, sysctl_tp_timer, "LU",
"FINWAIT2 timer (us)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "syn_rexmt_count",
CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
S_SYNSHIFTMAX, sysctl_tp_shift_cnt, "IU",
"Number of SYN retransmissions before abort");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rexmt_count",
CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
S_RXTSHIFTMAXR2, sysctl_tp_shift_cnt, "IU",
"Number of retransmissions before abort");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "keepalive_count",
CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
S_KEEPALIVEMAXR2, sysctl_tp_shift_cnt, "IU",
"Number of keepalive probes before abort");
oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "rexmt_backoff",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"TOE retransmit backoffs");
children = SYSCTL_CHILDREN(oid);
for (i = 0; i < 16; i++) {
snprintf(s, sizeof(s), "%u", i);
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, s,
CTLTYPE_UINT | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
i, sysctl_tp_backoff, "IU",
"TOE retransmit backoff");
}
}
#endif
}
void
vi_sysctls(struct vi_info *vi)
{
struct sysctl_ctx_list *ctx;
struct sysctl_oid *oid;
struct sysctl_oid_list *children;
ctx = device_get_sysctl_ctx(vi->dev);
/*
* dev.v?(cxgbe|cxl).X.
*/
oid = device_get_sysctl_tree(vi->dev);
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "viid", CTLFLAG_RD, NULL,
vi->viid, "VI identifer");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nrxq", CTLFLAG_RD,
&vi->nrxq, 0, "# of rx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ntxq", CTLFLAG_RD,
&vi->ntxq, 0, "# of tx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_rxq", CTLFLAG_RD,
&vi->first_rxq, 0, "index of first rx queue");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_txq", CTLFLAG_RD,
&vi->first_txq, 0, "index of first tx queue");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_base", CTLFLAG_RD, NULL,
vi->rss_base, "start of RSS indirection table");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "rss_size", CTLFLAG_RD, NULL,
vi->rss_size, "size of RSS indirection table");
if (IS_MAIN_VI(vi)) {
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rsrv_noflowq",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_noflowq, "IU",
"Reserve queue 0 for non-flowid packets");
}
if (vi->adapter->flags & IS_VF) {
MPASS(vi->flags & TX_USES_VM_WR);
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "tx_vm_wr", CTLFLAG_RD,
NULL, 1, "use VM work requests for transmit");
} else {
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tx_vm_wr",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_tx_vm_wr, "I", "use VM work requestes for transmit");
}
#ifdef TCP_OFFLOAD
if (vi->nofldrxq != 0) {
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldrxq", CTLFLAG_RD,
&vi->nofldrxq, 0,
"# of rx queues for offloaded TCP connections");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_rxq",
CTLFLAG_RD, &vi->first_ofld_rxq, 0,
"index of first TOE rx queue");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx_ofld",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_holdoff_tmr_idx_ofld, "I",
"holdoff timer index for TOE queues");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx_ofld",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_holdoff_pktc_idx_ofld, "I",
"holdoff packet counter index for TOE queues");
}
#endif
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
if (vi->nofldtxq != 0) {
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldtxq", CTLFLAG_RD,
&vi->nofldtxq, 0,
"# of tx queues for TOE/ETHOFLD");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_txq",
CTLFLAG_RD, &vi->first_ofld_txq, 0,
"index of first TOE/ETHOFLD tx queue");
}
#endif
#ifdef DEV_NETMAP
if (vi->nnmrxq != 0) {
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmrxq", CTLFLAG_RD,
&vi->nnmrxq, 0, "# of netmap rx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nnmtxq", CTLFLAG_RD,
&vi->nnmtxq, 0, "# of netmap tx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_rxq",
CTLFLAG_RD, &vi->first_nm_rxq, 0,
"index of first netmap rx queue");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_nm_txq",
CTLFLAG_RD, &vi->first_nm_txq, 0,
"index of first netmap tx queue");
}
#endif
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_holdoff_tmr_idx, "I", "holdoff timer index");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_holdoff_pktc_idx, "I", "holdoff packet counter index");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_rxq",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_qsize_rxq, "I", "rx queue size");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_txq",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, vi, 0,
sysctl_qsize_txq, "I", "tx queue size");
}
static void
cxgbe_sysctls(struct port_info *pi)
{
struct sysctl_ctx_list *ctx;
struct sysctl_oid *oid;
struct sysctl_oid_list *children, *children2;
struct adapter *sc = pi->adapter;
int i;
char name[16];
static char *tc_flags = {"\20\1USER\2SYNC\3ASYNC\4ERR"};
ctx = device_get_sysctl_ctx(pi->dev);
/*
* dev.cxgbe.X.
*/
oid = device_get_sysctl_tree(pi->dev);
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "linkdnrc",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, pi, 0,
sysctl_linkdnrc, "A", "reason why link is down");
if (pi->port_type == FW_PORT_TYPE_BT_XAUI) {
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "temperature",
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, pi, 0,
sysctl_btphy, "I", "PHY temperature (in Celsius)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fw_version",
CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, pi, 1,
sysctl_btphy, "I", "PHY firmware version");
}
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pause_settings",
CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, pi, 0,
sysctl_pause_settings, "A",
"PAUSE settings (bit 0 = rx_pause, 1 = tx_pause, 2 = pause_autoneg)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fec",
CTLTYPE_STRING | CTLFLAG_RW | CTLFLAG_MPSAFE, pi, 0,
sysctl_fec, "A",
"FECs to use (bit 0 = RS, 1 = FC, 2 = none, 5 = auto, 6 = module)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "module_fec",
CTLTYPE_STRING | CTLFLAG_MPSAFE, pi, 0, sysctl_module_fec, "A",
"FEC recommended by the cable/transceiver");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "autoneg",
CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, pi, 0,
sysctl_autoneg, "I",
"autonegotiation (-1 = not supported)");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "pcaps", CTLFLAG_RD,
&pi->link_cfg.pcaps, 0, "port capabilities");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "acaps", CTLFLAG_RD,
&pi->link_cfg.acaps, 0, "advertised capabilities");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "lpacaps", CTLFLAG_RD,
&pi->link_cfg.lpacaps, 0, "link partner advertised capabilities");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "max_speed", CTLFLAG_RD, NULL,
port_top_speed(pi), "max speed (in Gbps)");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "mps_bg_map", CTLFLAG_RD, NULL,
pi->mps_bg_map, "MPS buffer group map");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_e_chan_map", CTLFLAG_RD,
NULL, pi->rx_e_chan_map, "TP rx e-channel map");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "rx_c_chan", CTLFLAG_RD, NULL,
pi->rx_c_chan, "TP rx c-channel");
if (sc->flags & IS_VF)
return;
/*
* dev.(cxgbe|cxl).X.tc.
*/
oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "tc",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL,
"Tx scheduler traffic classes (cl_rl)");
children2 = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "pktsize",
CTLFLAG_RW, &pi->sched_params->pktsize, 0,
"pktsize for per-flow cl-rl (0 means up to the driver )");
SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "burstsize",
CTLFLAG_RW, &pi->sched_params->burstsize, 0,
"burstsize for per-flow cl-rl (0 means up to the driver)");
for (i = 0; i < sc->chip_params->nsched_cls; i++) {
struct tx_cl_rl_params *tc = &pi->sched_params->cl_rl[i];
snprintf(name, sizeof(name), "%d", i);
children2 = SYSCTL_CHILDREN(SYSCTL_ADD_NODE(ctx,
SYSCTL_CHILDREN(oid), OID_AUTO, name,
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "traffic class"));
SYSCTL_ADD_PROC(ctx, children2, OID_AUTO, "flags",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, tc_flags,
(uintptr_t)&tc->flags, sysctl_bitfield_8b, "A", "flags");
SYSCTL_ADD_UINT(ctx, children2, OID_AUTO, "refcount",
CTLFLAG_RD, &tc->refcount, 0, "references to this class");
SYSCTL_ADD_PROC(ctx, children2, OID_AUTO, "params",
CTLTYPE_STRING | CTLFLAG_RD | CTLFLAG_MPSAFE, sc,
(pi->port_id << 16) | i, sysctl_tc_params, "A",
"traffic class parameters");
}
/*
* dev.cxgbe.X.stats.
*/
oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "stats",
CTLFLAG_RD | CTLFLAG_MPSAFE, NULL, "port statistics");
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "tx_parse_error", CTLFLAG_RD,
&pi->tx_parse_error, 0,
"# of tx packets with invalid length or # of segments");
#define T4_REGSTAT(name, stat, desc) \
SYSCTL_ADD_OID(ctx, children, OID_AUTO, #name, \
CTLTYPE_U64 | CTLFLAG_RD | CTLFLAG_MPSAFE, sc, \
(is_t4(sc) ? PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_##stat##_L) : \
T5_PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_##stat##_L)), \
sysctl_handle_t4_reg64, "QU", desc)
/* We get these from port_stats and they may be stale by up to 1s */
#define T4_PORTSTAT(name, desc) \
SYSCTL_ADD_UQUAD(ctx, children, OID_AUTO, #name, CTLFLAG_RD, \
&pi->stats.name, desc)
T4_REGSTAT(tx_octets, TX_PORT_BYTES, "# of octets in good frames");
T4_REGSTAT(tx_frames, TX_PORT_FRAMES, "total # of good frames");
T4_REGSTAT(tx_bcast_frames, TX_PORT_BCAST, "# of broadcast frames");
T4_REGSTAT(tx_mcast_frames, TX_PORT_MCAST, "# of multicast frames");
T4_REGSTAT(tx_ucast_frames, TX_PORT_UCAST, "# of unicast frames");
T4_REGSTAT(tx_error_frames, TX_PORT_ERROR, "# of error frames");
T4_REGSTAT(tx_frames_64, TX_PORT_64B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_65_127, TX_PORT_65B_127B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_128_255, TX_PORT_128B_255B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_256_511, TX_PORT_256B_511B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_512_1023, TX_PORT_512B_1023B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_1024_1518, TX_PORT_1024B_1518B, "# of tx frames in this range");
T4_REGSTAT(tx_frames_1519_max, TX_PORT_1519B_MAX, "# of tx frames in this range");
T4_REGSTAT(tx_drop, TX_PORT_DROP, "# of dropped tx frames");
T4_REGSTAT(tx_pause, TX_PORT_PAUSE, "# of pause frames transmitted");
T4_REGSTAT(tx_ppp0, TX_PORT_PPP0, "# of PPP prio 0 frames transmitted");
T4_REGSTAT(tx_ppp1, TX_PORT_PPP1, "# of PPP prio 1 frames transmitted");
T4_REGSTAT(tx_ppp2, TX_PORT_PPP2, "# of PPP prio 2 frames transmitted");
T4_REGSTAT(tx_ppp3, TX_PORT_PPP3, "# of PPP prio 3 frames transmitted");
T4_REGSTAT(tx_ppp4, TX_PORT_PPP4, "# of PPP prio 4 frames transmitted");
T4_REGSTAT(tx_ppp5, TX_PORT_PPP5, "# of PPP prio 5 frames transmitted");
T4_REGSTAT(tx_ppp6, TX_PORT_PPP6, "# of PPP prio 6 frames transmitted");
T4_REGSTAT(tx_ppp7, TX_PORT_PPP7, "# of PPP prio 7 frames transmitted");
T4_REGSTAT(rx_octets, RX_PORT_BYTES, "# of octets in good frames");
T4_REGSTAT(rx_frames, RX_PORT_FRAMES, "total # of good frames");
T4_REGSTAT(rx_bcast_frames, RX_PORT_BCAST, "# of broadcast frames");
T4_REGSTAT(rx_mcast_frames, RX_PORT_MCAST, "# of multicast frames");
T4_REGSTAT(rx_ucast_frames, RX_PORT_UCAST, "# of unicast frames");
T4_REGSTAT(rx_too_long, RX_PORT_MTU_ERROR, "# of frames exceeding MTU");
T4_REGSTAT(rx_jabber, RX_PORT_MTU_CRC_ERROR, "# of jabber frames");
if (is_t6(sc)) {
T4_PORTSTAT(rx_fcs_err,
"# of frames received with bad FCS since last link up");
} else {
T4_REGSTAT(rx_fcs_err, RX_PORT_CRC_ERROR,
"# of frames received with bad FCS");
}
T4_REGSTAT(rx_len_err, RX_PORT_LEN_ERROR, "# of frames received with length error");
T4_REGSTAT(rx_symbol_err, RX_PORT_SYM_ERROR, "symbol errors");
T4_REGSTAT(rx_runt, RX_PORT_LESS_64B, "# of short frames received");
T4_REGSTAT(rx_frames_64, RX_PORT_64B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_65_127, RX_PORT_65B_127B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_128_255, RX_PORT_128B_255B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_256_511, RX_PORT_256B_511B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_512_1023, RX_PORT_512B_1023B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_1024_1518, RX_PORT_1024B_1518B, "# of rx frames in this range");
T4_REGSTAT(rx_frames_1519_max, RX_PORT_1519B_MAX, "# of rx frames in this range");
T4_REGSTAT(rx_pause, RX_PORT_PAUSE, "# of pause frames received");
T4_REGSTAT(rx_ppp0, RX_PORT_PPP0, "# of PPP prio 0 frames received");
T4_REGSTAT(rx_ppp1, RX_PORT_PPP1, "# of PPP prio 1 frames received");
T4_REGSTAT(rx_ppp2, RX_PORT_PPP2, "# of PPP prio 2 frames received");
T4_REGSTAT(rx_ppp3, RX_PORT_PPP3, "# of PPP prio 3 frames received");
T4_REGSTAT(rx_ppp4, RX_PORT_PPP4, "# of PPP prio 4 frames received");
T4_REGSTAT(rx_ppp5, RX_PORT_PPP5, "# of PPP prio 5 frames received");
T4_REGSTAT(rx_ppp6, RX_PORT_PPP6, "# of PPP prio 6 frames received");
T4_REGSTAT(rx_ppp7, RX_PORT_PPP7, "# of PPP prio 7 frames received");
T4_PORTSTAT(rx_ovflow0, "# drops due to buffer-group 0 overflows");
T4_PORTSTAT(rx_ovflow1, "# drops due to buffer-group 1 overflows");
T4_PORTSTAT(rx_ovflow2, "# drops due to buffer-group 2 overflows");
T4_PORTSTAT(rx_ovflow3, "# drops due to buffer-group 3 overflows");
T4_PORTSTAT(rx_trunc0, "# of buffer-group 0 truncated packets");
T4_PORTSTAT(rx_trunc1, "# of buffer-group 1 truncated packets");
T4_PORTSTAT(rx_trunc2, "# of buffer-group 2 truncated packets");
T4_PORTSTAT(rx_trunc3, "# of buffer-group 3 truncated packets");
#undef T4_REGSTAT
#undef T4_PORTSTAT
}
static int
sysctl_int_array(SYSCTL_HANDLER_ARGS)
{
int rc, *i, space = 0;
struct sbuf sb;
sbuf_new_for_sysctl(&sb, NULL, 64, req);
for (i = arg1; arg2; arg2 -= sizeof(int), i++) {
if (space)
sbuf_printf(&sb, " ");
sbuf_printf(&sb, "%d", *i);
space = 1;
}
rc = sbuf_finish(&sb);
sbuf_delete(&sb);
return (rc);
}
static int
sysctl_bitfield_8b(SYSCTL_HANDLER_ARGS)
{
int rc;
struct sbuf *sb;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, "%b", *(uint8_t *)(uintptr_t)arg2, (char *)arg1);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_bitfield_16b(SYSCTL_HANDLER_ARGS)
{
int rc;
struct sbuf *sb;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, "%b", *(uint16_t *)(uintptr_t)arg2, (char *)arg1);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_btphy(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
int op = arg2;
struct adapter *sc = pi->adapter;
u_int v;
int rc;
rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK, "t4btt");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
/* XXX: magic numbers */
rc = -t4_mdio_rd(sc, sc->mbox, pi->mdio_addr, 0x1e,
op ? 0x20 : 0xc820, &v);
}
end_synchronized_op(sc, 0);
if (rc)
return (rc);
if (op == 0)
v /= 256;
rc = sysctl_handle_int(oidp, &v, 0, req);
return (rc);
}
static int
sysctl_noflowq(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
int rc, val;
val = vi->rsrv_noflowq;
rc = sysctl_handle_int(oidp, &val, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if ((val >= 1) && (vi->ntxq > 1))
vi->rsrv_noflowq = 1;
else
vi->rsrv_noflowq = 0;
return (rc);
}
static int
sysctl_tx_vm_wr(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int rc, val, i;
MPASS(!(sc->flags & IS_VF));
val = vi->flags & TX_USES_VM_WR ? 1 : 0;
rc = sysctl_handle_int(oidp, &val, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (val != 0 && val != 1)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4txvm");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else if (vi->ifp->if_drv_flags & IFF_DRV_RUNNING) {
/*
* We don't want parse_pkt to run with one setting (VF or PF)
* and then eth_tx to see a different setting but still use
* stale information calculated by parse_pkt.
*/
rc = EBUSY;
} else {
struct port_info *pi = vi->pi;
struct sge_txq *txq;
uint32_t ctrl0;
uint8_t npkt = sc->params.max_pkts_per_eth_tx_pkts_wr;
if (val) {
vi->flags |= TX_USES_VM_WR;
vi->ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_VM_TSO;
ctrl0 = htobe32(V_TXPKT_OPCODE(CPL_TX_PKT_XT) |
V_TXPKT_INTF(pi->tx_chan));
if (!(sc->flags & IS_VF))
npkt--;
} else {
vi->flags &= ~TX_USES_VM_WR;
vi->ifp->if_hw_tsomaxsegcount = TX_SGL_SEGS_TSO;
ctrl0 = htobe32(V_TXPKT_OPCODE(CPL_TX_PKT_XT) |
V_TXPKT_INTF(pi->tx_chan) | V_TXPKT_PF(sc->pf) |
V_TXPKT_VF(vi->vin) | V_TXPKT_VF_VLD(vi->vfvld));
}
for_each_txq(vi, i, txq) {
txq->cpl_ctrl0 = ctrl0;
txq->txp.max_npkt = npkt;
}
}
end_synchronized_op(sc, LOCK_HELD);
return (rc);
}
static int
sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int idx, rc, i;
struct sge_rxq *rxq;
uint8_t v;
idx = vi->tmr_idx;
rc = sysctl_handle_int(oidp, &idx, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (idx < 0 || idx >= SGE_NTIMERS)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4tmr");
if (rc)
return (rc);
v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->pktc_idx != -1);
for_each_rxq(vi, i, rxq) {
#ifdef atomic_store_rel_8
atomic_store_rel_8(&rxq->iq.intr_params, v);
#else
rxq->iq.intr_params = v;
#endif
}
vi->tmr_idx = idx;
end_synchronized_op(sc, LOCK_HELD);
return (0);
}
static int
sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int idx, rc;
idx = vi->pktc_idx;
rc = sysctl_handle_int(oidp, &idx, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (idx < -1 || idx >= SGE_NCOUNTERS)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4pktc");
if (rc)
return (rc);
if (vi->flags & VI_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
else
vi->pktc_idx = idx;
end_synchronized_op(sc, LOCK_HELD);
return (rc);
}
static int
sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int qsize, rc;
qsize = vi->qsize_rxq;
rc = sysctl_handle_int(oidp, &qsize, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (qsize < 128 || (qsize & 7))
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4rxqs");
if (rc)
return (rc);
if (vi->flags & VI_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
else
vi->qsize_rxq = qsize;
end_synchronized_op(sc, LOCK_HELD);
return (rc);
}
static int
sysctl_qsize_txq(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int qsize, rc;
qsize = vi->qsize_txq;
rc = sysctl_handle_int(oidp, &qsize, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (qsize < 128 || qsize > 65536)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4txqs");
if (rc)
return (rc);
if (vi->flags & VI_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
else
vi->qsize_txq = qsize;
end_synchronized_op(sc, LOCK_HELD);
return (rc);
}
static int
sysctl_pause_settings(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int rc;
if (req->newptr == NULL) {
struct sbuf *sb;
static char *bits = "\20\1RX\2TX\3AUTO";
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
if (sb == NULL)
return (ENOMEM);
if (lc->link_ok) {
sbuf_printf(sb, "%b", (lc->fc & (PAUSE_TX | PAUSE_RX)) |
(lc->requested_fc & PAUSE_AUTONEG), bits);
} else {
sbuf_printf(sb, "%b", lc->requested_fc & (PAUSE_TX |
PAUSE_RX | PAUSE_AUTONEG), bits);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
} else {
char s[2];
int n;
s[0] = '0' + (lc->requested_fc & (PAUSE_TX | PAUSE_RX |
PAUSE_AUTONEG));
s[1] = 0;
rc = sysctl_handle_string(oidp, s, sizeof(s), req);
if (rc != 0)
return(rc);
if (s[1] != 0)
return (EINVAL);
if (s[0] < '0' || s[0] > '9')
return (EINVAL); /* not a number */
n = s[0] - '0';
if (n & ~(PAUSE_TX | PAUSE_RX | PAUSE_AUTONEG))
return (EINVAL); /* some other bit is set too */
rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
"t4PAUSE");
if (rc)
return (rc);
if (!hw_off_limits(sc)) {
PORT_LOCK(pi);
lc->requested_fc = n;
fixup_link_config(pi);
if (pi->up_vis > 0)
rc = apply_link_config(pi);
set_current_media(pi);
PORT_UNLOCK(pi);
}
end_synchronized_op(sc, 0);
}
return (rc);
}
static int
sysctl_fec(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int rc;
int8_t old;
if (req->newptr == NULL) {
struct sbuf *sb;
static char *bits = "\20\1RS-FEC\2FC-FEC\3NO-FEC\4RSVD2"
"\5RSVD3\6auto\7module";
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
if (sb == NULL)
return (ENOMEM);
/*
* Display the requested_fec when the link is down -- the actual
* FEC makes sense only when the link is up.
*/
if (lc->link_ok) {
sbuf_printf(sb, "%b", (lc->fec & M_FW_PORT_CAP32_FEC) |
(lc->requested_fec & (FEC_AUTO | FEC_MODULE)),
bits);
} else {
sbuf_printf(sb, "%b", lc->requested_fec, bits);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
} else {
char s[8];
int n;
snprintf(s, sizeof(s), "%d",
lc->requested_fec == FEC_AUTO ? -1 :
lc->requested_fec & (M_FW_PORT_CAP32_FEC | FEC_MODULE));
rc = sysctl_handle_string(oidp, s, sizeof(s), req);
if (rc != 0)
return(rc);
n = strtol(&s[0], NULL, 0);
if (n < 0 || n & FEC_AUTO)
n = FEC_AUTO;
else if (n & ~(M_FW_PORT_CAP32_FEC | FEC_MODULE))
return (EINVAL);/* some other bit is set too */
rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
"t4fec");
if (rc)
return (rc);
PORT_LOCK(pi);
old = lc->requested_fec;
if (n == FEC_AUTO)
lc->requested_fec = FEC_AUTO;
else if (n == 0 || n == FEC_NONE)
lc->requested_fec = FEC_NONE;
else {
if ((lc->pcaps |
V_FW_PORT_CAP32_FEC(n & M_FW_PORT_CAP32_FEC)) !=
lc->pcaps) {
rc = ENOTSUP;
goto done;
}
lc->requested_fec = n & (M_FW_PORT_CAP32_FEC |
FEC_MODULE);
}
if (!hw_off_limits(sc)) {
fixup_link_config(pi);
if (pi->up_vis > 0) {
rc = apply_link_config(pi);
if (rc != 0) {
lc->requested_fec = old;
if (rc == FW_EPROTO)
rc = ENOTSUP;
}
}
}
done:
PORT_UNLOCK(pi);
end_synchronized_op(sc, 0);
}
return (rc);
}
static int
sysctl_module_fec(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int rc;
int8_t fec;
struct sbuf *sb;
static char *bits = "\20\1RS-FEC\2FC-FEC\3NO-FEC\4RSVD2\5RSVD3";
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 128, req);
if (sb == NULL)
return (ENOMEM);
if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4mfec") != 0) {
rc = EBUSY;
goto done;
}
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
PORT_LOCK(pi);
if (pi->up_vis == 0) {
/*
* If all the interfaces are administratively down the firmware
* does not report transceiver changes. Refresh port info here.
* This is the only reason we have a synchronized op in this
* function. Just PORT_LOCK would have been enough otherwise.
*/
t4_update_port_info(pi);
}
fec = lc->fec_hint;
if (pi->mod_type == FW_PORT_MOD_TYPE_NONE ||
!fec_supported(lc->pcaps)) {
sbuf_printf(sb, "n/a");
} else {
if (fec == 0)
fec = FEC_NONE;
sbuf_printf(sb, "%b", fec & M_FW_PORT_CAP32_FEC, bits);
}
rc = sbuf_finish(sb);
PORT_UNLOCK(pi);
done:
sbuf_delete(sb);
end_synchronized_op(sc, 0);
return (rc);
}
static int
sysctl_autoneg(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
struct link_config *lc = &pi->link_cfg;
int rc, val;
if (lc->pcaps & FW_PORT_CAP32_ANEG)
val = lc->requested_aneg == AUTONEG_DISABLE ? 0 : 1;
else
val = -1;
rc = sysctl_handle_int(oidp, &val, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (val == 0)
val = AUTONEG_DISABLE;
else if (val == 1)
val = AUTONEG_ENABLE;
else
val = AUTONEG_AUTO;
rc = begin_synchronized_op(sc, &pi->vi[0], SLEEP_OK | INTR_OK,
"t4aneg");
if (rc)
return (rc);
PORT_LOCK(pi);
if (val == AUTONEG_ENABLE && !(lc->pcaps & FW_PORT_CAP32_ANEG)) {
rc = ENOTSUP;
goto done;
}
lc->requested_aneg = val;
if (!hw_off_limits(sc)) {
fixup_link_config(pi);
if (pi->up_vis > 0)
rc = apply_link_config(pi);
set_current_media(pi);
}
done:
PORT_UNLOCK(pi);
end_synchronized_op(sc, 0);
return (rc);
}
static int
sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, reg = arg2;
uint64_t val;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = 0;
val = t4_read_reg64(sc, reg);
}
mtx_unlock(&sc->reg_lock);
if (rc == 0)
rc = sysctl_handle_64(oidp, &val, 0, req);
return (rc);
}
static int
sysctl_temperature(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, t;
uint32_t param, val;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4temp");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_TMP);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
}
end_synchronized_op(sc, 0);
if (rc)
return (rc);
/* unknown is returned as 0 but we display -1 in that case */
t = val == 0 ? -1 : val;
rc = sysctl_handle_int(oidp, &t, 0, req);
return (rc);
}
static int
sysctl_vdd(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc;
uint32_t param, val;
if (sc->params.core_vdd == 0) {
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK,
"t4vdd");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_VDD);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1,
&param, &val);
}
end_synchronized_op(sc, 0);
if (rc)
return (rc);
sc->params.core_vdd = val;
}
return (sysctl_handle_int(oidp, &sc->params.core_vdd, 0, req));
}
static int
sysctl_reset_sensor(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, v;
uint32_t param, val;
v = sc->sensor_resets;
rc = sysctl_handle_int(oidp, &v, 0, req);
if (rc != 0 || req->newptr == NULL || v <= 0)
return (rc);
if (sc->params.fw_vers < FW_VERSION32(1, 24, 7, 0) ||
chip_id(sc) < CHELSIO_T5)
return (ENOTSUP);
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4srst");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
param = (V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_DIAG) |
V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_DIAG_RESET_TMP_SENSOR));
val = 1;
rc = -t4_set_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
}
end_synchronized_op(sc, 0);
if (rc == 0)
sc->sensor_resets++;
return (rc);
}
static int
sysctl_loadavg(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
uint32_t param, val;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4lavg");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_LOAD);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
}
end_synchronized_op(sc, 0);
if (rc)
return (rc);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
if (val == 0xffffffff) {
/* Only debug and custom firmwares report load averages. */
sbuf_printf(sb, "not available");
} else {
sbuf_printf(sb, "%d %d %d", val & 0xff, (val >> 8) & 0xff,
(val >> 16) & 0xff);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_cctrl(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
uint16_t incr[NMTUS][NCCTRL_WIN];
static const char *dec_fac[] = {
"0.5", "0.5625", "0.625", "0.6875", "0.75", "0.8125", "0.875",
"0.9375"
};
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_read_cong_tbl(sc, incr);
mtx_unlock(&sc->reg_lock);
if (rc)
goto done;
for (i = 0; i < NCCTRL_WIN; ++i) {
sbuf_printf(sb, "%2d: %4u %4u %4u %4u %4u %4u %4u %4u\n", i,
incr[0][i], incr[1][i], incr[2][i], incr[3][i], incr[4][i],
incr[5][i], incr[6][i], incr[7][i]);
sbuf_printf(sb, "%8u %4u %4u %4u %4u %4u %4u %4u %5u %s\n",
incr[8][i], incr[9][i], incr[10][i], incr[11][i],
incr[12][i], incr[13][i], incr[14][i], incr[15][i],
sc->params.a_wnd[i], dec_fac[sc->params.b_wnd[i]]);
}
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
return (rc);
}
static const char *qname[CIM_NUM_IBQ + CIM_NUM_OBQ_T5] = {
"TP0", "TP1", "ULP", "SGE0", "SGE1", "NC-SI", /* ibq's */
"ULP0", "ULP1", "ULP2", "ULP3", "SGE", "NC-SI", /* obq's */
"SGE0-RX", "SGE1-RX" /* additional obq's (T5 onwards) */
};
static int
sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i, n, qid = arg2;
uint32_t *buf, *p;
char *qtype;
u_int cim_num_obq = sc->chip_params->cim_num_obq;
KASSERT(qid >= 0 && qid < CIM_NUM_IBQ + cim_num_obq,
("%s: bad qid %d\n", __func__, qid));
if (qid < CIM_NUM_IBQ) {
/* inbound queue */
qtype = "IBQ";
n = 4 * CIM_IBQ_SIZE;
buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = -ENXIO;
else
rc = t4_read_cim_ibq(sc, qid, buf, n);
mtx_unlock(&sc->reg_lock);
} else {
/* outbound queue */
qtype = "OBQ";
qid -= CIM_NUM_IBQ;
n = 4 * cim_num_obq * CIM_OBQ_SIZE;
buf = malloc(n * sizeof(uint32_t), M_CXGBE, M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = -ENXIO;
else
rc = t4_read_cim_obq(sc, qid, buf, n);
mtx_unlock(&sc->reg_lock);
}
if (rc < 0) {
rc = -rc;
goto done;
}
n = rc * sizeof(uint32_t); /* rc has # of words actually read */
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
goto done;
sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req);
if (sb == NULL) {
rc = ENOMEM;
goto done;
}
sbuf_printf(sb, "%s%d %s", qtype , qid, qname[arg2]);
for (i = 0, p = buf; i < n; i += 16, p += 4)
sbuf_printf(sb, "\n%#06x: %08x %08x %08x %08x", i, p[0], p[1],
p[2], p[3]);
rc = sbuf_finish(sb);
sbuf_delete(sb);
done:
free(buf, M_CXGBE);
return (rc);
}
static void
sbuf_cim_la4(struct adapter *sc, struct sbuf *sb, uint32_t *buf, uint32_t cfg)
{
uint32_t *p;
sbuf_printf(sb, "Status Data PC%s",
cfg & F_UPDBGLACAPTPCONLY ? "" :
" LS0Stat LS0Addr LS0Data");
for (p = buf; p <= &buf[sc->params.cim_la_size - 8]; p += 8) {
if (cfg & F_UPDBGLACAPTPCONLY) {
sbuf_printf(sb, "\n %02x %08x %08x", p[5] & 0xff,
p[6], p[7]);
sbuf_printf(sb, "\n %02x %02x%06x %02x%06x",
(p[3] >> 8) & 0xff, p[3] & 0xff, p[4] >> 8,
p[4] & 0xff, p[5] >> 8);
sbuf_printf(sb, "\n %02x %x%07x %x%07x",
(p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
p[1] & 0xf, p[2] >> 4);
} else {
sbuf_printf(sb,
"\n %02x %x%07x %x%07x %08x %08x "
"%08x%08x%08x%08x",
(p[0] >> 4) & 0xff, p[0] & 0xf, p[1] >> 4,
p[1] & 0xf, p[2] >> 4, p[2] & 0xf, p[3], p[4], p[5],
p[6], p[7]);
}
}
}
static void
sbuf_cim_la6(struct adapter *sc, struct sbuf *sb, uint32_t *buf, uint32_t cfg)
{
uint32_t *p;
sbuf_printf(sb, "Status Inst Data PC%s",
cfg & F_UPDBGLACAPTPCONLY ? "" :
" LS0Stat LS0Addr LS0Data LS1Stat LS1Addr LS1Data");
for (p = buf; p <= &buf[sc->params.cim_la_size - 10]; p += 10) {
if (cfg & F_UPDBGLACAPTPCONLY) {
sbuf_printf(sb, "\n %02x %08x %08x %08x",
p[3] & 0xff, p[2], p[1], p[0]);
sbuf_printf(sb, "\n %02x %02x%06x %02x%06x %02x%06x",
(p[6] >> 8) & 0xff, p[6] & 0xff, p[5] >> 8,
p[5] & 0xff, p[4] >> 8, p[4] & 0xff, p[3] >> 8);
sbuf_printf(sb, "\n %02x %04x%04x %04x%04x %04x%04x",
(p[9] >> 16) & 0xff, p[9] & 0xffff, p[8] >> 16,
p[8] & 0xffff, p[7] >> 16, p[7] & 0xffff,
p[6] >> 16);
} else {
sbuf_printf(sb, "\n %02x %04x%04x %04x%04x %04x%04x "
"%08x %08x %08x %08x %08x %08x",
(p[9] >> 16) & 0xff,
p[9] & 0xffff, p[8] >> 16,
p[8] & 0xffff, p[7] >> 16,
p[7] & 0xffff, p[6] >> 16,
p[2], p[1], p[0], p[5], p[4], p[3]);
}
}
}
static int
sbuf_cim_la(struct adapter *sc, struct sbuf *sb, int flags)
{
uint32_t cfg, *buf;
int rc;
MPASS(flags == M_WAITOK || flags == M_NOWAIT);
buf = malloc(sc->params.cim_la_size * sizeof(uint32_t), M_CXGBE,
M_ZERO | flags);
if (buf == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = -t4_cim_read(sc, A_UP_UP_DBG_LA_CFG, 1, &cfg);
if (rc == 0)
rc = -t4_cim_read_la(sc, buf, NULL);
}
mtx_unlock(&sc->reg_lock);
if (rc == 0) {
if (chip_id(sc) < CHELSIO_T6)
sbuf_cim_la4(sc, sb, buf, cfg);
else
sbuf_cim_la6(sc, sb, buf, cfg);
}
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_cim_la(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
rc = sbuf_cim_la(sc, sb, M_WAITOK);
if (rc == 0)
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
bool
t4_os_dump_cimla(struct adapter *sc, int arg, bool verbose)
{
struct sbuf sb;
int rc;
if (sbuf_new(&sb, NULL, 4096, SBUF_AUTOEXTEND) != &sb)
return (false);
rc = sbuf_cim_la(sc, &sb, M_NOWAIT);
if (rc == 0) {
rc = sbuf_finish(&sb);
if (rc == 0) {
log(LOG_DEBUG, "%s: CIM LA dump follows.\n%s",
device_get_nameunit(sc->dev), sbuf_data(&sb));
}
}
sbuf_delete(&sb);
return (false);
}
static int
sysctl_cim_ma_la(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
u_int i;
struct sbuf *sb;
uint32_t *buf, *p;
int rc;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
buf = malloc(2 * CIM_MALA_SIZE * 5 * sizeof(uint32_t), M_CXGBE,
M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_cim_read_ma_la(sc, buf, buf + 5 * CIM_MALA_SIZE);
mtx_unlock(&sc->reg_lock);
if (rc)
goto done;
p = buf;
for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) {
sbuf_printf(sb, "\n%02x%08x%08x%08x%08x", p[4], p[3], p[2],
p[1], p[0]);
}
sbuf_printf(sb, "\n\nCnt ID Tag UE Data RDY VLD");
for (i = 0; i < CIM_MALA_SIZE; i++, p += 5) {
sbuf_printf(sb, "\n%3u %2u %x %u %08x%08x %u %u",
(p[2] >> 10) & 0xff, (p[2] >> 7) & 7,
(p[2] >> 3) & 0xf, (p[2] >> 2) & 1,
(p[1] >> 2) | ((p[2] & 3) << 30),
(p[0] >> 2) | ((p[1] & 3) << 30), (p[0] >> 1) & 1,
p[0] & 1);
}
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_cim_pif_la(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
u_int i;
struct sbuf *sb;
uint32_t *buf, *p;
int rc;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
buf = malloc(2 * CIM_PIFLA_SIZE * 6 * sizeof(uint32_t), M_CXGBE,
M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_cim_read_pif_la(sc, buf, buf + 6 * CIM_PIFLA_SIZE, NULL, NULL);
mtx_unlock(&sc->reg_lock);
if (rc)
goto done;
p = buf;
sbuf_printf(sb, "Cntl ID DataBE Addr Data");
for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) {
sbuf_printf(sb, "\n %02x %02x %04x %08x %08x%08x%08x%08x",
(p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f, p[5] & 0xffff,
p[4], p[3], p[2], p[1], p[0]);
}
sbuf_printf(sb, "\n\nCntl ID Data");
for (i = 0; i < CIM_PIFLA_SIZE; i++, p += 6) {
sbuf_printf(sb, "\n %02x %02x %08x%08x%08x%08x",
(p[4] >> 6) & 0xff, p[4] & 0x3f, p[3], p[2], p[1], p[0]);
}
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_cim_qcfg(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
uint16_t base[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
uint16_t size[CIM_NUM_IBQ + CIM_NUM_OBQ_T5];
uint16_t thres[CIM_NUM_IBQ];
uint32_t obq_wr[2 * CIM_NUM_OBQ_T5], *wr = obq_wr;
uint32_t stat[4 * (CIM_NUM_IBQ + CIM_NUM_OBQ_T5)], *p = stat;
u_int cim_num_obq, ibq_rdaddr, obq_rdaddr, nq;
cim_num_obq = sc->chip_params->cim_num_obq;
if (is_t4(sc)) {
ibq_rdaddr = A_UP_IBQ_0_RDADDR;
obq_rdaddr = A_UP_OBQ_0_REALADDR;
} else {
ibq_rdaddr = A_UP_IBQ_0_SHADOW_RDADDR;
obq_rdaddr = A_UP_OBQ_0_SHADOW_REALADDR;
}
nq = CIM_NUM_IBQ + cim_num_obq;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = -t4_cim_read(sc, ibq_rdaddr, 4 * nq, stat);
if (rc == 0) {
rc = -t4_cim_read(sc, obq_rdaddr, 2 * cim_num_obq,
obq_wr);
if (rc == 0)
t4_read_cimq_cfg(sc, base, size, thres);
}
}
mtx_unlock(&sc->reg_lock);
if (rc)
return (rc);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, PAGE_SIZE, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb,
" Queue Base Size Thres RdPtr WrPtr SOP EOP Avail");
for (i = 0; i < CIM_NUM_IBQ; i++, p += 4)
sbuf_printf(sb, "\n%7s %5x %5u %5u %6x %4x %4u %4u %5u",
qname[i], base[i], size[i], thres[i], G_IBQRDADDR(p[0]),
G_IBQWRADDR(p[1]), G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
G_QUEREMFLITS(p[2]) * 16);
for ( ; i < nq; i++, p += 4, wr += 2)
sbuf_printf(sb, "\n%7s %5x %5u %12x %4x %4u %4u %5u", qname[i],
base[i], size[i], G_QUERDADDR(p[0]) & 0x3fff,
wr[0] - base[i], G_QUESOPCNT(p[3]), G_QUEEOPCNT(p[3]),
G_QUEREMFLITS(p[2]) * 16);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_cpl_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_cpl_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_cpl_stats(sc, &stats, 0);
mtx_unlock(&sc->reg_lock);
if (rc)
goto done;
if (sc->chip_params->nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3");
sbuf_printf(sb, "\nCPL requests: %10u %10u %10u %10u",
stats.req[0], stats.req[1], stats.req[2], stats.req[3]);
sbuf_printf(sb, "\nCPL responses: %10u %10u %10u %10u",
stats.rsp[0], stats.rsp[1], stats.rsp[2], stats.rsp[3]);
} else {
sbuf_printf(sb, " channel 0 channel 1");
sbuf_printf(sb, "\nCPL requests: %10u %10u",
stats.req[0], stats.req[1]);
sbuf_printf(sb, "\nCPL responses: %10u %10u",
stats.rsp[0], stats.rsp[1]);
}
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
return (rc);
}
static int
sysctl_ddp_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_usm_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_get_usm_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
if (rc == 0) {
sbuf_printf(sb, "Frames: %u\n", stats.frames);
sbuf_printf(sb, "Octets: %ju\n", stats.octets);
sbuf_printf(sb, "Drops: %u", stats.drops);
rc = sbuf_finish(sb);
}
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tid_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_tid_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_tid_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
if (rc == 0) {
sbuf_printf(sb, "Delete: %u\n", stats.del);
sbuf_printf(sb, "Invalidate: %u\n", stats.inv);
sbuf_printf(sb, "Active: %u\n", stats.act);
sbuf_printf(sb, "Passive: %u", stats.pas);
rc = sbuf_finish(sb);
}
sbuf_delete(sb);
return (rc);
}
static const char * const devlog_level_strings[] = {
[FW_DEVLOG_LEVEL_EMERG] = "EMERG",
[FW_DEVLOG_LEVEL_CRIT] = "CRIT",
[FW_DEVLOG_LEVEL_ERR] = "ERR",
[FW_DEVLOG_LEVEL_NOTICE] = "NOTICE",
[FW_DEVLOG_LEVEL_INFO] = "INFO",
[FW_DEVLOG_LEVEL_DEBUG] = "DEBUG"
};
static const char * const devlog_facility_strings[] = {
[FW_DEVLOG_FACILITY_CORE] = "CORE",
[FW_DEVLOG_FACILITY_CF] = "CF",
[FW_DEVLOG_FACILITY_SCHED] = "SCHED",
[FW_DEVLOG_FACILITY_TIMER] = "TIMER",
[FW_DEVLOG_FACILITY_RES] = "RES",
[FW_DEVLOG_FACILITY_HW] = "HW",
[FW_DEVLOG_FACILITY_FLR] = "FLR",
[FW_DEVLOG_FACILITY_DMAQ] = "DMAQ",
[FW_DEVLOG_FACILITY_PHY] = "PHY",
[FW_DEVLOG_FACILITY_MAC] = "MAC",
[FW_DEVLOG_FACILITY_PORT] = "PORT",
[FW_DEVLOG_FACILITY_VI] = "VI",
[FW_DEVLOG_FACILITY_FILTER] = "FILTER",
[FW_DEVLOG_FACILITY_ACL] = "ACL",
[FW_DEVLOG_FACILITY_TM] = "TM",
[FW_DEVLOG_FACILITY_QFC] = "QFC",
[FW_DEVLOG_FACILITY_DCB] = "DCB",
[FW_DEVLOG_FACILITY_ETH] = "ETH",
[FW_DEVLOG_FACILITY_OFLD] = "OFLD",
[FW_DEVLOG_FACILITY_RI] = "RI",
[FW_DEVLOG_FACILITY_ISCSI] = "ISCSI",
[FW_DEVLOG_FACILITY_FCOE] = "FCOE",
[FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI",
[FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE",
[FW_DEVLOG_FACILITY_CHNET] = "CHNET",
};
static int
sbuf_devlog(struct adapter *sc, struct sbuf *sb, int flags)
{
int i, j, rc, nentries, first = 0;
struct devlog_params *dparams = &sc->params.devlog;
struct fw_devlog_e *buf, *e;
uint64_t ftstamp = UINT64_MAX;
if (dparams->addr == 0)
return (ENXIO);
MPASS(flags == M_WAITOK || flags == M_NOWAIT);
buf = malloc(dparams->size, M_CXGBE, M_ZERO | flags);
if (buf == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = read_via_memwin(sc, 1, dparams->addr, (void *)buf,
dparams->size);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
goto done;
nentries = dparams->size / sizeof(struct fw_devlog_e);
for (i = 0; i < nentries; i++) {
e = &buf[i];
if (e->timestamp == 0)
break; /* end */
e->timestamp = be64toh(e->timestamp);
e->seqno = be32toh(e->seqno);
for (j = 0; j < 8; j++)
e->params[j] = be32toh(e->params[j]);
if (e->timestamp < ftstamp) {
ftstamp = e->timestamp;
first = i;
}
}
if (buf[first].timestamp == 0)
goto done; /* nothing in the log */
sbuf_printf(sb, "%10s %15s %8s %8s %s\n",
"Seq#", "Tstamp", "Level", "Facility", "Message");
i = first;
do {
e = &buf[i];
if (e->timestamp == 0)
break; /* end */
sbuf_printf(sb, "%10d %15ju %8s %8s ",
e->seqno, e->timestamp,
(e->level < nitems(devlog_level_strings) ?
devlog_level_strings[e->level] : "UNKNOWN"),
(e->facility < nitems(devlog_facility_strings) ?
devlog_facility_strings[e->facility] : "UNKNOWN"));
sbuf_printf(sb, e->fmt, e->params[0], e->params[1],
e->params[2], e->params[3], e->params[4],
e->params[5], e->params[6], e->params[7]);
if (++i == nentries)
i = 0;
} while (i != first);
done:
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_devlog(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc;
struct sbuf *sb;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
rc = sbuf_devlog(sc, sb, M_WAITOK);
if (rc == 0)
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
void
t4_os_dump_devlog(struct adapter *sc)
{
int rc;
struct sbuf sb;
if (sbuf_new(&sb, NULL, 4096, SBUF_AUTOEXTEND) != &sb)
return;
rc = sbuf_devlog(sc, &sb, M_NOWAIT);
if (rc == 0) {
rc = sbuf_finish(&sb);
if (rc == 0) {
log(LOG_DEBUG, "%s: device log follows.\n%s",
device_get_nameunit(sc->dev), sbuf_data(&sb));
}
}
sbuf_delete(&sb);
}
static int
sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_fcoe_stats stats[MAX_NCHAN];
int i, nchan = sc->chip_params->nchan;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
for (i = 0; i < nchan; i++)
t4_get_fcoe_stats(sc, i, &stats[i], 1);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
if (nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3");
sbuf_printf(sb, "\noctetsDDP: %16ju %16ju %16ju %16ju",
stats[0].octets_ddp, stats[1].octets_ddp,
stats[2].octets_ddp, stats[3].octets_ddp);
sbuf_printf(sb, "\nframesDDP: %16u %16u %16u %16u",
stats[0].frames_ddp, stats[1].frames_ddp,
stats[2].frames_ddp, stats[3].frames_ddp);
sbuf_printf(sb, "\nframesDrop: %16u %16u %16u %16u",
stats[0].frames_drop, stats[1].frames_drop,
stats[2].frames_drop, stats[3].frames_drop);
} else {
sbuf_printf(sb, " channel 0 channel 1");
sbuf_printf(sb, "\noctetsDDP: %16ju %16ju",
stats[0].octets_ddp, stats[1].octets_ddp);
sbuf_printf(sb, "\nframesDDP: %16u %16u",
stats[0].frames_ddp, stats[1].frames_ddp);
sbuf_printf(sb, "\nframesDrop: %16u %16u",
stats[0].frames_drop, stats[1].frames_drop);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_hw_sched(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
unsigned int map, kbps, ipg, mode;
unsigned int pace_tab[NTX_SCHED];
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 512, req);
if (sb == NULL)
return (ENOMEM);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
map = t4_read_reg(sc, A_TP_TX_MOD_QUEUE_REQ_MAP);
mode = G_TIMERMODE(t4_read_reg(sc, A_TP_MOD_CONFIG));
t4_read_pace_tbl(sc, pace_tab);
sbuf_printf(sb, "Scheduler Mode Channel Rate (Kbps) "
"Class IPG (0.1 ns) Flow IPG (us)");
for (i = 0; i < NTX_SCHED; ++i, map >>= 2) {
t4_get_tx_sched(sc, i, &kbps, &ipg, 1);
sbuf_printf(sb, "\n %u %-5s %u ", i,
(mode & (1 << i)) ? "flow" : "class", map & 3);
if (kbps)
sbuf_printf(sb, "%9u ", kbps);
else
sbuf_printf(sb, " disabled ");
if (ipg)
sbuf_printf(sb, "%13u ", ipg);
else
sbuf_printf(sb, " disabled ");
if (pace_tab[i])
sbuf_printf(sb, "%10u", pace_tab[i]);
else
sbuf_printf(sb, " disabled");
}
rc = sbuf_finish(sb);
done:
mtx_unlock(&sc->reg_lock);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_lb_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i, j;
uint64_t *p0, *p1;
struct lb_port_stats s[2];
static const char *stat_name[] = {
"OctetsOK:", "FramesOK:", "BcastFrames:", "McastFrames:",
"UcastFrames:", "ErrorFrames:", "Frames64:", "Frames65To127:",
"Frames128To255:", "Frames256To511:", "Frames512To1023:",
"Frames1024To1518:", "Frames1519ToMax:", "FramesDropped:",
"BG0FramesDropped:", "BG1FramesDropped:", "BG2FramesDropped:",
"BG3FramesDropped:", "BG0FramesTrunc:", "BG1FramesTrunc:",
"BG2FramesTrunc:", "BG3FramesTrunc:"
};
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
memset(s, 0, sizeof(s));
for (i = 0; i < sc->chip_params->nchan; i += 2) {
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
t4_get_lb_stats(sc, i, &s[0]);
t4_get_lb_stats(sc, i + 1, &s[1]);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
p0 = &s[0].octets;
p1 = &s[1].octets;
sbuf_printf(sb, "%s Loopback %u"
" Loopback %u", i == 0 ? "" : "\n", i, i + 1);
for (j = 0; j < nitems(stat_name); j++)
sbuf_printf(sb, "\n%-17s %20ju %20ju", stat_name[j],
*p0++, *p1++);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_linkdnrc(SYSCTL_HANDLER_ARGS)
{
int rc = 0;
struct port_info *pi = arg1;
struct link_config *lc = &pi->link_cfg;
struct sbuf *sb;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 64, req);
if (sb == NULL)
return (ENOMEM);
if (lc->link_ok || lc->link_down_rc == 255)
sbuf_printf(sb, "n/a");
else
sbuf_printf(sb, "%s", t4_link_down_rc_str(lc->link_down_rc));
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
struct mem_desc {
unsigned int base;
unsigned int limit;
unsigned int idx;
};
static int
mem_desc_cmp(const void *a, const void *b)
{
return ((const struct mem_desc *)a)->base -
((const struct mem_desc *)b)->base;
}
static void
mem_region_show(struct sbuf *sb, const char *name, unsigned int from,
unsigned int to)
{
unsigned int size;
if (from == to)
return;
size = to - from + 1;
if (size == 0)
return;
/* XXX: need humanize_number(3) in libkern for a more readable 'size' */
sbuf_printf(sb, "%-15s %#x-%#x [%u]\n", name, from, to, size);
}
static int
sysctl_meminfo(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i, n;
uint32_t lo, hi, used, alloc;
static const char *memory[] = {"EDC0:", "EDC1:", "MC:", "MC0:", "MC1:"};
static const char *region[] = {
"DBQ contexts:", "IMSG contexts:", "FLM cache:", "TCBs:",
"Pstructs:", "Timers:", "Rx FL:", "Tx FL:", "Pstruct FL:",
"Tx payload:", "Rx payload:", "LE hash:", "iSCSI region:",
"TDDP region:", "TPT region:", "STAG region:", "RQ region:",
"RQUDP region:", "PBL region:", "TXPBL region:",
"DBVFIFO region:", "ULPRX state:", "ULPTX state:",
"On-chip queues:", "TLS keys:",
};
struct mem_desc avail[4];
struct mem_desc mem[nitems(region) + 3]; /* up to 3 holes */
struct mem_desc *md = mem;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
for (i = 0; i < nitems(mem); i++) {
mem[i].limit = 0;
mem[i].idx = i;
}
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
/* Find and sort the populated memory ranges */
i = 0;
lo = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
if (lo & F_EDRAM0_ENABLE) {
hi = t4_read_reg(sc, A_MA_EDRAM0_BAR);
avail[i].base = G_EDRAM0_BASE(hi) << 20;
avail[i].limit = avail[i].base + (G_EDRAM0_SIZE(hi) << 20);
avail[i].idx = 0;
i++;
}
if (lo & F_EDRAM1_ENABLE) {
hi = t4_read_reg(sc, A_MA_EDRAM1_BAR);
avail[i].base = G_EDRAM1_BASE(hi) << 20;
avail[i].limit = avail[i].base + (G_EDRAM1_SIZE(hi) << 20);
avail[i].idx = 1;
i++;
}
if (lo & F_EXT_MEM_ENABLE) {
hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
avail[i].base = G_EXT_MEM_BASE(hi) << 20;
avail[i].limit = avail[i].base +
(G_EXT_MEM_SIZE(hi) << 20);
avail[i].idx = is_t5(sc) ? 3 : 2; /* Call it MC0 for T5 */
i++;
}
if (is_t5(sc) && lo & F_EXT_MEM1_ENABLE) {
hi = t4_read_reg(sc, A_MA_EXT_MEMORY1_BAR);
avail[i].base = G_EXT_MEM1_BASE(hi) << 20;
avail[i].limit = avail[i].base +
(G_EXT_MEM1_SIZE(hi) << 20);
avail[i].idx = 4;
i++;
}
if (!i) /* no memory available */
goto done;
qsort(avail, i, sizeof(struct mem_desc), mem_desc_cmp);
(md++)->base = t4_read_reg(sc, A_SGE_DBQ_CTXT_BADDR);
(md++)->base = t4_read_reg(sc, A_SGE_IMSG_CTXT_BADDR);
(md++)->base = t4_read_reg(sc, A_SGE_FLM_CACHE_BADDR);
(md++)->base = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
(md++)->base = t4_read_reg(sc, A_TP_CMM_MM_BASE);
(md++)->base = t4_read_reg(sc, A_TP_CMM_TIMER_BASE);
(md++)->base = t4_read_reg(sc, A_TP_CMM_MM_RX_FLST_BASE);
(md++)->base = t4_read_reg(sc, A_TP_CMM_MM_TX_FLST_BASE);
(md++)->base = t4_read_reg(sc, A_TP_CMM_MM_PS_FLST_BASE);
/* the next few have explicit upper bounds */
md->base = t4_read_reg(sc, A_TP_PMM_TX_BASE);
md->limit = md->base - 1 +
t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE) *
G_PMTXMAXPAGE(t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE));
md++;
md->base = t4_read_reg(sc, A_TP_PMM_RX_BASE);
md->limit = md->base - 1 +
t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) *
G_PMRXMAXPAGE(t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE));
md++;
if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) {
if (chip_id(sc) <= CHELSIO_T5)
md->base = t4_read_reg(sc, A_LE_DB_HASH_TID_BASE);
else
md->base = t4_read_reg(sc, A_LE_DB_HASH_TBL_BASE_ADDR);
md->limit = 0;
} else {
md->base = 0;
md->idx = nitems(region); /* hide it */
}
md++;
#define ulp_region(reg) \
md->base = t4_read_reg(sc, A_ULP_ ## reg ## _LLIMIT);\
(md++)->limit = t4_read_reg(sc, A_ULP_ ## reg ## _ULIMIT)
ulp_region(RX_ISCSI);
ulp_region(RX_TDDP);
ulp_region(TX_TPT);
ulp_region(RX_STAG);
ulp_region(RX_RQ);
ulp_region(RX_RQUDP);
ulp_region(RX_PBL);
ulp_region(TX_PBL);
#undef ulp_region
md->base = 0;
md->idx = nitems(region);
if (!is_t4(sc)) {
uint32_t size = 0;
uint32_t sge_ctrl = t4_read_reg(sc, A_SGE_CONTROL2);
uint32_t fifo_size = t4_read_reg(sc, A_SGE_DBVFIFO_SIZE);
if (is_t5(sc)) {
if (sge_ctrl & F_VFIFO_ENABLE)
size = G_DBVFIFO_SIZE(fifo_size);
} else
size = G_T6_DBVFIFO_SIZE(fifo_size);
if (size) {
md->base = G_BASEADDR(t4_read_reg(sc,
A_SGE_DBVFIFO_BADDR));
md->limit = md->base + (size << 2) - 1;
}
}
md++;
md->base = t4_read_reg(sc, A_ULP_RX_CTX_BASE);
md->limit = 0;
md++;
md->base = t4_read_reg(sc, A_ULP_TX_ERR_TABLE_BASE);
md->limit = 0;
md++;
md->base = sc->vres.ocq.start;
if (sc->vres.ocq.size)
md->limit = md->base + sc->vres.ocq.size - 1;
else
md->idx = nitems(region); /* hide it */
md++;
md->base = sc->vres.key.start;
if (sc->vres.key.size)
md->limit = md->base + sc->vres.key.size - 1;
else
md->idx = nitems(region); /* hide it */
md++;
/* add any address-space holes, there can be up to 3 */
for (n = 0; n < i - 1; n++)
if (avail[n].limit < avail[n + 1].base)
(md++)->base = avail[n].limit;
if (avail[n].limit)
(md++)->base = avail[n].limit;
n = md - mem;
qsort(mem, n, sizeof(struct mem_desc), mem_desc_cmp);
for (lo = 0; lo < i; lo++)
mem_region_show(sb, memory[avail[lo].idx], avail[lo].base,
avail[lo].limit - 1);
sbuf_printf(sb, "\n");
for (i = 0; i < n; i++) {
if (mem[i].idx >= nitems(region))
continue; /* skip holes */
if (!mem[i].limit)
mem[i].limit = i < n - 1 ? mem[i + 1].base - 1 : ~0;
mem_region_show(sb, region[mem[i].idx], mem[i].base,
mem[i].limit);
}
sbuf_printf(sb, "\n");
lo = t4_read_reg(sc, A_CIM_SDRAM_BASE_ADDR);
hi = t4_read_reg(sc, A_CIM_SDRAM_ADDR_SIZE) + lo - 1;
mem_region_show(sb, "uP RAM:", lo, hi);
lo = t4_read_reg(sc, A_CIM_EXTMEM2_BASE_ADDR);
hi = t4_read_reg(sc, A_CIM_EXTMEM2_ADDR_SIZE) + lo - 1;
mem_region_show(sb, "uP Extmem2:", lo, hi);
lo = t4_read_reg(sc, A_TP_PMM_RX_MAX_PAGE);
sbuf_printf(sb, "\n%u Rx pages of size %uKiB for %u channels\n",
G_PMRXMAXPAGE(lo),
t4_read_reg(sc, A_TP_PMM_RX_PAGE_SIZE) >> 10,
(lo & F_PMRXNUMCHN) ? 2 : 1);
lo = t4_read_reg(sc, A_TP_PMM_TX_MAX_PAGE);
hi = t4_read_reg(sc, A_TP_PMM_TX_PAGE_SIZE);
sbuf_printf(sb, "%u Tx pages of size %u%ciB for %u channels\n",
G_PMTXMAXPAGE(lo),
hi >= (1 << 20) ? (hi >> 20) : (hi >> 10),
hi >= (1 << 20) ? 'M' : 'K', 1 << G_PMTXNUMCHN(lo));
sbuf_printf(sb, "%u p-structs\n",
t4_read_reg(sc, A_TP_CMM_MM_MAX_PSTRUCT));
for (i = 0; i < 4; i++) {
if (chip_id(sc) > CHELSIO_T5)
lo = t4_read_reg(sc, A_MPS_RX_MAC_BG_PG_CNT0 + i * 4);
else
lo = t4_read_reg(sc, A_MPS_RX_PG_RSV0 + i * 4);
if (is_t5(sc)) {
used = G_T5_USED(lo);
alloc = G_T5_ALLOC(lo);
} else {
used = G_USED(lo);
alloc = G_ALLOC(lo);
}
/* For T6 these are MAC buffer groups */
sbuf_printf(sb, "\nPort %d using %u pages out of %u allocated",
i, used, alloc);
}
for (i = 0; i < sc->chip_params->nchan; i++) {
if (chip_id(sc) > CHELSIO_T5)
lo = t4_read_reg(sc, A_MPS_RX_LPBK_BG_PG_CNT0 + i * 4);
else
lo = t4_read_reg(sc, A_MPS_RX_PG_RSV4 + i * 4);
if (is_t5(sc)) {
used = G_T5_USED(lo);
alloc = G_T5_ALLOC(lo);
} else {
used = G_USED(lo);
alloc = G_ALLOC(lo);
}
/* For T6 these are MAC buffer groups */
sbuf_printf(sb,
"\nLoopback %d using %u pages out of %u allocated",
i, used, alloc);
}
done:
mtx_unlock(&sc->reg_lock);
if (rc == 0)
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static inline void
tcamxy2valmask(uint64_t x, uint64_t y, uint8_t *addr, uint64_t *mask)
{
*mask = x | y;
y = htobe64(y);
memcpy(addr, (char *)&y + 2, ETHER_ADDR_LEN);
}
static int
sysctl_mps_tcam(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
MPASS(chip_id(sc) <= CHELSIO_T5);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb,
"Idx Ethernet address Mask Vld Ports PF"
" VF Replication P0 P1 P2 P3 ML");
for (i = 0; i < sc->chip_params->mps_tcam_size; i++) {
uint64_t tcamx, tcamy, mask;
uint32_t cls_lo, cls_hi;
uint8_t addr[ETHER_ADDR_LEN];
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
tcamy = t4_read_reg64(sc, MPS_CLS_TCAM_Y_L(i));
tcamx = t4_read_reg64(sc, MPS_CLS_TCAM_X_L(i));
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
if (tcamx & tcamy)
continue;
tcamxy2valmask(tcamx, tcamy, addr, &mask);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i));
cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i));
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x %012jx"
" %c %#x%4u%4d", i, addr[0], addr[1], addr[2],
addr[3], addr[4], addr[5], (uintmax_t)mask,
(cls_lo & F_SRAM_VLD) ? 'Y' : 'N',
G_PORTMAP(cls_hi), G_PF(cls_lo),
(cls_lo & F_VF_VALID) ? G_VF(cls_lo) : -1);
if (cls_lo & F_REPLICATE) {
struct fw_ldst_cmd ldst_cmd;
memset(&ldst_cmd, 0, sizeof(ldst_cmd));
ldst_cmd.op_to_addrspace =
htobe32(V_FW_CMD_OP(FW_LDST_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_READ |
V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS));
ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd));
ldst_cmd.u.mps.rplc.fid_idx =
htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) |
V_FW_LDST_CMD_IDX(i));
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK,
"t4mps");
if (rc)
break;
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd,
sizeof(ldst_cmd), &ldst_cmd);
end_synchronized_op(sc, 0);
if (rc != 0)
break;
else {
sbuf_printf(sb, " %08x %08x %08x %08x",
be32toh(ldst_cmd.u.mps.rplc.rplc127_96),
be32toh(ldst_cmd.u.mps.rplc.rplc95_64),
be32toh(ldst_cmd.u.mps.rplc.rplc63_32),
be32toh(ldst_cmd.u.mps.rplc.rplc31_0));
}
} else
sbuf_printf(sb, "%36s", "");
sbuf_printf(sb, "%4u%3u%3u%3u %#3x", G_SRAM_PRIO0(cls_lo),
G_SRAM_PRIO1(cls_lo), G_SRAM_PRIO2(cls_lo),
G_SRAM_PRIO3(cls_lo), (cls_lo >> S_MULTILISTEN0) & 0xf);
}
if (rc)
(void) sbuf_finish(sb);
else
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_mps_tcam_t6(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
MPASS(chip_id(sc) > CHELSIO_T5);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, "Idx Ethernet address Mask VNI Mask"
" IVLAN Vld DIP_Hit Lookup Port Vld Ports PF VF"
" Replication"
" P0 P1 P2 P3 ML\n");
for (i = 0; i < sc->chip_params->mps_tcam_size; i++) {
uint8_t dip_hit, vlan_vld, lookup_type, port_num;
uint16_t ivlan;
uint64_t tcamx, tcamy, val, mask;
uint32_t cls_lo, cls_hi, ctl, data2, vnix, vniy;
uint8_t addr[ETHER_ADDR_LEN];
ctl = V_CTLREQID(1) | V_CTLCMDTYPE(0) | V_CTLXYBITSEL(0);
if (i < 256)
ctl |= V_CTLTCAMINDEX(i) | V_CTLTCAMSEL(0);
else
ctl |= V_CTLTCAMINDEX(i - 256) | V_CTLTCAMSEL(1);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
tcamy = G_DMACH(val) << 32;
tcamy |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
lookup_type = G_DATALKPTYPE(data2);
port_num = G_DATAPORTNUM(data2);
if (lookup_type && lookup_type != M_DATALKPTYPE) {
/* Inner header VNI */
vniy = ((data2 & F_DATAVIDH2) << 23) |
(G_DATAVIDH1(data2) << 16) | G_VIDL(val);
dip_hit = data2 & F_DATADIPHIT;
vlan_vld = 0;
} else {
vniy = 0;
dip_hit = 0;
vlan_vld = data2 & F_DATAVIDH2;
ivlan = G_VIDL(val);
}
ctl |= V_CTLXYBITSEL(1);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
t4_write_reg(sc, A_MPS_CLS_TCAM_DATA2_CTL, ctl);
val = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA1_REQ_ID1);
tcamx = G_DMACH(val) << 32;
tcamx |= t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA0_REQ_ID1);
data2 = t4_read_reg(sc, A_MPS_CLS_TCAM_RDATA2_REQ_ID1);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
if (lookup_type && lookup_type != M_DATALKPTYPE) {
/* Inner header VNI mask */
vnix = ((data2 & F_DATAVIDH2) << 23) |
(G_DATAVIDH1(data2) << 16) | G_VIDL(val);
} else
vnix = 0;
if (tcamx & tcamy)
continue;
tcamxy2valmask(tcamx, tcamy, addr, &mask);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
cls_lo = t4_read_reg(sc, MPS_CLS_SRAM_L(i));
cls_hi = t4_read_reg(sc, MPS_CLS_SRAM_H(i));
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
if (lookup_type && lookup_type != M_DATALKPTYPE) {
sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x "
"%012jx %06x %06x - - %3c"
" I %4x %3c %#x%4u%4d", i, addr[0],
addr[1], addr[2], addr[3], addr[4], addr[5],
(uintmax_t)mask, vniy, vnix, dip_hit ? 'Y' : 'N',
port_num, cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N',
G_PORTMAP(cls_hi), G_T6_PF(cls_lo),
cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1);
} else {
sbuf_printf(sb, "\n%3u %02x:%02x:%02x:%02x:%02x:%02x "
"%012jx - - ", i, addr[0], addr[1],
addr[2], addr[3], addr[4], addr[5],
(uintmax_t)mask);
if (vlan_vld)
sbuf_printf(sb, "%4u Y ", ivlan);
else
sbuf_printf(sb, " - N ");
sbuf_printf(sb, "- %3c %4x %3c %#x%4u%4d",
lookup_type ? 'I' : 'O', port_num,
cls_lo & F_T6_SRAM_VLD ? 'Y' : 'N',
G_PORTMAP(cls_hi), G_T6_PF(cls_lo),
cls_lo & F_T6_VF_VALID ? G_T6_VF(cls_lo) : -1);
}
if (cls_lo & F_T6_REPLICATE) {
struct fw_ldst_cmd ldst_cmd;
memset(&ldst_cmd, 0, sizeof(ldst_cmd));
ldst_cmd.op_to_addrspace =
htobe32(V_FW_CMD_OP(FW_LDST_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_READ |
V_FW_LDST_CMD_ADDRSPACE(FW_LDST_ADDRSPC_MPS));
ldst_cmd.cycles_to_len16 = htobe32(FW_LEN16(ldst_cmd));
ldst_cmd.u.mps.rplc.fid_idx =
htobe16(V_FW_LDST_CMD_FID(FW_LDST_MPS_RPLC) |
V_FW_LDST_CMD_IDX(i));
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK,
"t6mps");
if (rc)
break;
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = -t4_wr_mbox(sc, sc->mbox, &ldst_cmd,
sizeof(ldst_cmd), &ldst_cmd);
end_synchronized_op(sc, 0);
if (rc != 0)
break;
else {
sbuf_printf(sb, " %08x %08x %08x %08x"
" %08x %08x %08x %08x",
be32toh(ldst_cmd.u.mps.rplc.rplc255_224),
be32toh(ldst_cmd.u.mps.rplc.rplc223_192),
be32toh(ldst_cmd.u.mps.rplc.rplc191_160),
be32toh(ldst_cmd.u.mps.rplc.rplc159_128),
be32toh(ldst_cmd.u.mps.rplc.rplc127_96),
be32toh(ldst_cmd.u.mps.rplc.rplc95_64),
be32toh(ldst_cmd.u.mps.rplc.rplc63_32),
be32toh(ldst_cmd.u.mps.rplc.rplc31_0));
}
} else
sbuf_printf(sb, "%72s", "");
sbuf_printf(sb, "%4u%3u%3u%3u %#x",
G_T6_SRAM_PRIO0(cls_lo), G_T6_SRAM_PRIO1(cls_lo),
G_T6_SRAM_PRIO2(cls_lo), G_T6_SRAM_PRIO3(cls_lo),
(cls_lo >> S_T6_MULTILISTEN0) & 0xf);
}
if (rc)
(void) sbuf_finish(sb);
else
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_path_mtus(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
uint16_t mtus[NMTUS];
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_read_mtu_tbl(sc, mtus, NULL);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, "%u %u %u %u %u %u %u %u %u %u %u %u %u %u %u %u",
mtus[0], mtus[1], mtus[2], mtus[3], mtus[4], mtus[5], mtus[6],
mtus[7], mtus[8], mtus[9], mtus[10], mtus[11], mtus[12], mtus[13],
mtus[14], mtus[15]);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_pm_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc, i;
uint32_t tx_cnt[MAX_PM_NSTATS], rx_cnt[MAX_PM_NSTATS];
uint64_t tx_cyc[MAX_PM_NSTATS], rx_cyc[MAX_PM_NSTATS];
static const char *tx_stats[MAX_PM_NSTATS] = {
"Read:", "Write bypass:", "Write mem:", "Bypass + mem:",
"Tx FIFO wait", NULL, "Tx latency"
};
static const char *rx_stats[MAX_PM_NSTATS] = {
"Read:", "Write bypass:", "Write mem:", "Flush:",
"Rx FIFO wait", NULL, "Rx latency"
};
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
t4_pmtx_get_stats(sc, tx_cnt, tx_cyc);
t4_pmrx_get_stats(sc, rx_cnt, rx_cyc);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, " Tx pcmds Tx bytes");
for (i = 0; i < 4; i++) {
sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
tx_cyc[i]);
}
sbuf_printf(sb, "\n Rx pcmds Rx bytes");
for (i = 0; i < 4; i++) {
sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
rx_cyc[i]);
}
if (chip_id(sc) > CHELSIO_T5) {
sbuf_printf(sb,
"\n Total wait Total occupancy");
sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
tx_cyc[i]);
sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
rx_cyc[i]);
i += 2;
MPASS(i < nitems(tx_stats));
sbuf_printf(sb,
"\n Reads Total wait");
sbuf_printf(sb, "\n%-13s %10u %20ju", tx_stats[i], tx_cnt[i],
tx_cyc[i]);
sbuf_printf(sb, "\n%-13s %10u %20ju", rx_stats[i], rx_cnt[i],
rx_cyc[i]);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_rdma_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_rdma_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_rdma_stats(sc, &stats, 0);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb, "NoRQEModDefferals: %u\n", stats.rqe_dfr_mod);
sbuf_printf(sb, "NoRQEPktDefferals: %u", stats.rqe_dfr_pkt);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tcp_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_tcp_stats v4, v6;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_tcp_stats(sc, &v4, &v6, 0);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
sbuf_printf(sb,
" IP IPv6\n");
sbuf_printf(sb, "OutRsts: %20u %20u\n",
v4.tcp_out_rsts, v6.tcp_out_rsts);
sbuf_printf(sb, "InSegs: %20ju %20ju\n",
v4.tcp_in_segs, v6.tcp_in_segs);
sbuf_printf(sb, "OutSegs: %20ju %20ju\n",
v4.tcp_out_segs, v6.tcp_out_segs);
sbuf_printf(sb, "RetransSegs: %20ju %20ju",
v4.tcp_retrans_segs, v6.tcp_retrans_segs);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tids(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
uint32_t x, y;
struct tid_info *t = &sc->tids;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
if (t->natids) {
sbuf_printf(sb, "ATID range: 0-%u, in use: %u\n", t->natids - 1,
t->atids_in_use);
}
if (t->nhpftids) {
sbuf_printf(sb, "HPFTID range: %u-%u, in use: %u\n",
t->hpftid_base, t->hpftid_end, t->hpftids_in_use);
}
if (t->ntids) {
bool hashen = false;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) {
hashen = true;
if (chip_id(sc) <= CHELSIO_T5) {
x = t4_read_reg(sc, A_LE_DB_SERVER_INDEX) / 4;
y = t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4;
} else {
x = t4_read_reg(sc, A_LE_DB_SRVR_START_INDEX);
y = t4_read_reg(sc, A_T6_LE_DB_HASH_TID_BASE);
}
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
goto done;
sbuf_printf(sb, "TID range: ");
if (hashen) {
if (x)
sbuf_printf(sb, "%u-%u, ", t->tid_base, x - 1);
sbuf_printf(sb, "%u-%u", y, t->ntids - 1);
} else {
sbuf_printf(sb, "%u-%u", t->tid_base, t->tid_base +
t->ntids - 1);
}
sbuf_printf(sb, ", in use: %u\n",
atomic_load_acq_int(&t->tids_in_use));
}
if (t->nstids) {
sbuf_printf(sb, "STID range: %u-%u, in use: %u\n", t->stid_base,
t->stid_base + t->nstids - 1, t->stids_in_use);
}
if (t->nftids) {
sbuf_printf(sb, "FTID range: %u-%u, in use: %u\n", t->ftid_base,
t->ftid_end, t->ftids_in_use);
}
if (t->netids) {
sbuf_printf(sb, "ETID range: %u-%u, in use: %u\n", t->etid_base,
t->etid_base + t->netids - 1, t->etids_in_use);
}
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
x = t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV4);
y = t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV6);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
goto done;
sbuf_printf(sb, "HW TID usage: %u IP users, %u IPv6 users", x, y);
done:
if (rc == 0)
rc = sbuf_finish(sb);
else
(void)sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tp_err_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_err_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_err_stats(sc, &stats, 0);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
if (sc->chip_params->nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3\n");
sbuf_printf(sb, "macInErrs: %10u %10u %10u %10u\n",
stats.mac_in_errs[0], stats.mac_in_errs[1],
stats.mac_in_errs[2], stats.mac_in_errs[3]);
sbuf_printf(sb, "hdrInErrs: %10u %10u %10u %10u\n",
stats.hdr_in_errs[0], stats.hdr_in_errs[1],
stats.hdr_in_errs[2], stats.hdr_in_errs[3]);
sbuf_printf(sb, "tcpInErrs: %10u %10u %10u %10u\n",
stats.tcp_in_errs[0], stats.tcp_in_errs[1],
stats.tcp_in_errs[2], stats.tcp_in_errs[3]);
sbuf_printf(sb, "tcp6InErrs: %10u %10u %10u %10u\n",
stats.tcp6_in_errs[0], stats.tcp6_in_errs[1],
stats.tcp6_in_errs[2], stats.tcp6_in_errs[3]);
sbuf_printf(sb, "tnlCongDrops: %10u %10u %10u %10u\n",
stats.tnl_cong_drops[0], stats.tnl_cong_drops[1],
stats.tnl_cong_drops[2], stats.tnl_cong_drops[3]);
sbuf_printf(sb, "tnlTxDrops: %10u %10u %10u %10u\n",
stats.tnl_tx_drops[0], stats.tnl_tx_drops[1],
stats.tnl_tx_drops[2], stats.tnl_tx_drops[3]);
sbuf_printf(sb, "ofldVlanDrops: %10u %10u %10u %10u\n",
stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1],
stats.ofld_vlan_drops[2], stats.ofld_vlan_drops[3]);
sbuf_printf(sb, "ofldChanDrops: %10u %10u %10u %10u\n\n",
stats.ofld_chan_drops[0], stats.ofld_chan_drops[1],
stats.ofld_chan_drops[2], stats.ofld_chan_drops[3]);
} else {
sbuf_printf(sb, " channel 0 channel 1\n");
sbuf_printf(sb, "macInErrs: %10u %10u\n",
stats.mac_in_errs[0], stats.mac_in_errs[1]);
sbuf_printf(sb, "hdrInErrs: %10u %10u\n",
stats.hdr_in_errs[0], stats.hdr_in_errs[1]);
sbuf_printf(sb, "tcpInErrs: %10u %10u\n",
stats.tcp_in_errs[0], stats.tcp_in_errs[1]);
sbuf_printf(sb, "tcp6InErrs: %10u %10u\n",
stats.tcp6_in_errs[0], stats.tcp6_in_errs[1]);
sbuf_printf(sb, "tnlCongDrops: %10u %10u\n",
stats.tnl_cong_drops[0], stats.tnl_cong_drops[1]);
sbuf_printf(sb, "tnlTxDrops: %10u %10u\n",
stats.tnl_tx_drops[0], stats.tnl_tx_drops[1]);
sbuf_printf(sb, "ofldVlanDrops: %10u %10u\n",
stats.ofld_vlan_drops[0], stats.ofld_vlan_drops[1]);
sbuf_printf(sb, "ofldChanDrops: %10u %10u\n\n",
stats.ofld_chan_drops[0], stats.ofld_chan_drops[1]);
}
sbuf_printf(sb, "ofldNoNeigh: %u\nofldCongDefer: %u",
stats.ofld_no_neigh, stats.ofld_cong_defer);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tnl_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_tnl_stats stats;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return(rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_tp_get_tnl_stats(sc, &stats, 1);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
if (sc->chip_params->nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3\n");
sbuf_printf(sb, "OutPkts: %10u %10u %10u %10u\n",
stats.out_pkt[0], stats.out_pkt[1],
stats.out_pkt[2], stats.out_pkt[3]);
sbuf_printf(sb, "InPkts: %10u %10u %10u %10u",
stats.in_pkt[0], stats.in_pkt[1],
stats.in_pkt[2], stats.in_pkt[3]);
} else {
sbuf_printf(sb, " channel 0 channel 1\n");
sbuf_printf(sb, "OutPkts: %10u %10u\n",
stats.out_pkt[0], stats.out_pkt[1]);
sbuf_printf(sb, "InPkts: %10u %10u",
stats.in_pkt[0], stats.in_pkt[1]);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tp_la_mask(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct tp_params *tpp = &sc->params.tp;
u_int mask;
int rc;
mask = tpp->la_mask >> 16;
rc = sysctl_handle_int(oidp, &mask, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (mask > 0xffff)
return (EINVAL);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
tpp->la_mask = mask << 16;
t4_set_reg_field(sc, A_TP_DBG_LA_CONFIG, 0xffff0000U,
tpp->la_mask);
}
mtx_unlock(&sc->reg_lock);
return (rc);
}
struct field_desc {
const char *name;
u_int start;
u_int width;
};
static void
field_desc_show(struct sbuf *sb, uint64_t v, const struct field_desc *f)
{
char buf[32];
int line_size = 0;
while (f->name) {
uint64_t mask = (1ULL << f->width) - 1;
int len = snprintf(buf, sizeof(buf), "%s: %ju", f->name,
((uintmax_t)v >> f->start) & mask);
if (line_size + len >= 79) {
line_size = 8;
sbuf_printf(sb, "\n ");
}
sbuf_printf(sb, "%s ", buf);
line_size += len + 1;
f++;
}
sbuf_printf(sb, "\n");
}
static const struct field_desc tp_la0[] = {
{ "RcfOpCodeOut", 60, 4 },
{ "State", 56, 4 },
{ "WcfState", 52, 4 },
{ "RcfOpcSrcOut", 50, 2 },
{ "CRxError", 49, 1 },
{ "ERxError", 48, 1 },
{ "SanityFailed", 47, 1 },
{ "SpuriousMsg", 46, 1 },
{ "FlushInputMsg", 45, 1 },
{ "FlushInputCpl", 44, 1 },
{ "RssUpBit", 43, 1 },
{ "RssFilterHit", 42, 1 },
{ "Tid", 32, 10 },
{ "InitTcb", 31, 1 },
{ "LineNumber", 24, 7 },
{ "Emsg", 23, 1 },
{ "EdataOut", 22, 1 },
{ "Cmsg", 21, 1 },
{ "CdataOut", 20, 1 },
{ "EreadPdu", 19, 1 },
{ "CreadPdu", 18, 1 },
{ "TunnelPkt", 17, 1 },
{ "RcfPeerFin", 16, 1 },
{ "RcfReasonOut", 12, 4 },
{ "TxCchannel", 10, 2 },
{ "RcfTxChannel", 8, 2 },
{ "RxEchannel", 6, 2 },
{ "RcfRxChannel", 5, 1 },
{ "RcfDataOutSrdy", 4, 1 },
{ "RxDvld", 3, 1 },
{ "RxOoDvld", 2, 1 },
{ "RxCongestion", 1, 1 },
{ "TxCongestion", 0, 1 },
{ NULL }
};
static const struct field_desc tp_la1[] = {
{ "CplCmdIn", 56, 8 },
{ "CplCmdOut", 48, 8 },
{ "ESynOut", 47, 1 },
{ "EAckOut", 46, 1 },
{ "EFinOut", 45, 1 },
{ "ERstOut", 44, 1 },
{ "SynIn", 43, 1 },
{ "AckIn", 42, 1 },
{ "FinIn", 41, 1 },
{ "RstIn", 40, 1 },
{ "DataIn", 39, 1 },
{ "DataInVld", 38, 1 },
{ "PadIn", 37, 1 },
{ "RxBufEmpty", 36, 1 },
{ "RxDdp", 35, 1 },
{ "RxFbCongestion", 34, 1 },
{ "TxFbCongestion", 33, 1 },
{ "TxPktSumSrdy", 32, 1 },
{ "RcfUlpType", 28, 4 },
{ "Eread", 27, 1 },
{ "Ebypass", 26, 1 },
{ "Esave", 25, 1 },
{ "Static0", 24, 1 },
{ "Cread", 23, 1 },
{ "Cbypass", 22, 1 },
{ "Csave", 21, 1 },
{ "CPktOut", 20, 1 },
{ "RxPagePoolFull", 18, 2 },
{ "RxLpbkPkt", 17, 1 },
{ "TxLpbkPkt", 16, 1 },
{ "RxVfValid", 15, 1 },
{ "SynLearned", 14, 1 },
{ "SetDelEntry", 13, 1 },
{ "SetInvEntry", 12, 1 },
{ "CpcmdDvld", 11, 1 },
{ "CpcmdSave", 10, 1 },
{ "RxPstructsFull", 8, 2 },
{ "EpcmdDvld", 7, 1 },
{ "EpcmdFlush", 6, 1 },
{ "EpcmdTrimPrefix", 5, 1 },
{ "EpcmdTrimPostfix", 4, 1 },
{ "ERssIp4Pkt", 3, 1 },
{ "ERssIp6Pkt", 2, 1 },
{ "ERssTcpUdpPkt", 1, 1 },
{ "ERssFceFipPkt", 0, 1 },
{ NULL }
};
static const struct field_desc tp_la2[] = {
{ "CplCmdIn", 56, 8 },
{ "MpsVfVld", 55, 1 },
{ "MpsPf", 52, 3 },
{ "MpsVf", 44, 8 },
{ "SynIn", 43, 1 },
{ "AckIn", 42, 1 },
{ "FinIn", 41, 1 },
{ "RstIn", 40, 1 },
{ "DataIn", 39, 1 },
{ "DataInVld", 38, 1 },
{ "PadIn", 37, 1 },
{ "RxBufEmpty", 36, 1 },
{ "RxDdp", 35, 1 },
{ "RxFbCongestion", 34, 1 },
{ "TxFbCongestion", 33, 1 },
{ "TxPktSumSrdy", 32, 1 },
{ "RcfUlpType", 28, 4 },
{ "Eread", 27, 1 },
{ "Ebypass", 26, 1 },
{ "Esave", 25, 1 },
{ "Static0", 24, 1 },
{ "Cread", 23, 1 },
{ "Cbypass", 22, 1 },
{ "Csave", 21, 1 },
{ "CPktOut", 20, 1 },
{ "RxPagePoolFull", 18, 2 },
{ "RxLpbkPkt", 17, 1 },
{ "TxLpbkPkt", 16, 1 },
{ "RxVfValid", 15, 1 },
{ "SynLearned", 14, 1 },
{ "SetDelEntry", 13, 1 },
{ "SetInvEntry", 12, 1 },
{ "CpcmdDvld", 11, 1 },
{ "CpcmdSave", 10, 1 },
{ "RxPstructsFull", 8, 2 },
{ "EpcmdDvld", 7, 1 },
{ "EpcmdFlush", 6, 1 },
{ "EpcmdTrimPrefix", 5, 1 },
{ "EpcmdTrimPostfix", 4, 1 },
{ "ERssIp4Pkt", 3, 1 },
{ "ERssIp6Pkt", 2, 1 },
{ "ERssTcpUdpPkt", 1, 1 },
{ "ERssFceFipPkt", 0, 1 },
{ NULL }
};
static void
tp_la_show(struct sbuf *sb, uint64_t *p, int idx)
{
field_desc_show(sb, *p, tp_la0);
}
static void
tp_la_show2(struct sbuf *sb, uint64_t *p, int idx)
{
if (idx)
sbuf_printf(sb, "\n");
field_desc_show(sb, p[0], tp_la0);
if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
field_desc_show(sb, p[1], tp_la0);
}
static void
tp_la_show3(struct sbuf *sb, uint64_t *p, int idx)
{
if (idx)
sbuf_printf(sb, "\n");
field_desc_show(sb, p[0], tp_la0);
if (idx < (TPLA_SIZE / 2 - 1) || p[1] != ~0ULL)
field_desc_show(sb, p[1], (p[0] & (1 << 17)) ? tp_la2 : tp_la1);
}
static int
sysctl_tp_la(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
uint64_t *buf, *p;
int rc;
u_int i, inc;
void (*show_func)(struct sbuf *, uint64_t *, int);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
buf = malloc(TPLA_SIZE * sizeof(uint64_t), M_CXGBE, M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
t4_tp_read_la(sc, buf, NULL);
switch (G_DBGLAMODE(t4_read_reg(sc, A_TP_DBG_LA_CONFIG))) {
case 2:
inc = 2;
show_func = tp_la_show2;
break;
case 3:
inc = 2;
show_func = tp_la_show3;
break;
default:
inc = 1;
show_func = tp_la_show;
}
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
goto done;
p = buf;
for (i = 0; i < TPLA_SIZE / inc; i++, p += inc)
(*show_func)(sb, p, i);
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_tx_rate(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
u64 nrate[MAX_NCHAN], orate[MAX_NCHAN];
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_get_chan_txrate(sc, nrate, orate);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
if (sc->chip_params->nchan > 2) {
sbuf_printf(sb, " channel 0 channel 1"
" channel 2 channel 3\n");
sbuf_printf(sb, "NIC B/s: %10ju %10ju %10ju %10ju\n",
nrate[0], nrate[1], nrate[2], nrate[3]);
sbuf_printf(sb, "Offload B/s: %10ju %10ju %10ju %10ju",
orate[0], orate[1], orate[2], orate[3]);
} else {
sbuf_printf(sb, " channel 0 channel 1\n");
sbuf_printf(sb, "NIC B/s: %10ju %10ju\n",
nrate[0], nrate[1]);
sbuf_printf(sb, "Offload B/s: %10ju %10ju",
orate[0], orate[1]);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_ulprx_la(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
uint32_t *buf, *p;
int rc, i;
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
buf = malloc(ULPRX_LA_SIZE * 8 * sizeof(uint32_t), M_CXGBE,
M_ZERO | M_WAITOK);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
t4_ulprx_read_la(sc, buf);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
goto done;
p = buf;
sbuf_printf(sb, " Pcmd Type Message"
" Data");
for (i = 0; i < ULPRX_LA_SIZE; i++, p += 8) {
sbuf_printf(sb, "\n%08x%08x %4x %08x %08x%08x%08x%08x",
p[1], p[0], p[2], p[3], p[7], p[6], p[5], p[4]);
}
rc = sbuf_finish(sb);
done:
sbuf_delete(sb);
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_wcwr_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
uint32_t cfg, s1, s2;
MPASS(chip_id(sc) >= CHELSIO_T5);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
cfg = t4_read_reg(sc, A_SGE_STAT_CFG);
s1 = t4_read_reg(sc, A_SGE_STAT_TOTAL);
s2 = t4_read_reg(sc, A_SGE_STAT_MATCH);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
if (G_STATSOURCE_T5(cfg) == 7) {
int mode;
mode = is_t5(sc) ? G_STATMODE(cfg) : G_T6_STATMODE(cfg);
if (mode == 0)
sbuf_printf(sb, "total %d, incomplete %d", s1, s2);
else if (mode == 1)
sbuf_printf(sb, "total %d, data overflow %d", s1, s2);
else
sbuf_printf(sb, "unknown mode %d", mode);
}
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_cpus(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
enum cpu_sets op = arg2;
cpuset_t cpuset;
struct sbuf *sb;
int i, rc;
MPASS(op == LOCAL_CPUS || op == INTR_CPUS);
CPU_ZERO(&cpuset);
rc = bus_get_cpus(sc->dev, op, sizeof(cpuset), &cpuset);
if (rc != 0)
return (rc);
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
return (rc);
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL)
return (ENOMEM);
CPU_FOREACH(i)
sbuf_printf(sb, "%d ", i);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_reset(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
u_int val;
int rc;
val = sc->num_resets;
rc = sysctl_handle_int(oidp, &val, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (val == 0) {
/* Zero out the counter that tracks reset. */
sc->num_resets = 0;
return (0);
}
if (val != 1)
return (EINVAL); /* 0 or 1 are the only legal values */
if (hw_off_limits(sc)) /* harmless race */
return (EALREADY);
taskqueue_enqueue(reset_tq, &sc->reset_task);
return (0);
}
#ifdef TCP_OFFLOAD
static int
sysctl_tls(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int i, j, v, rc;
struct vi_info *vi;
v = sc->tt.tls;
rc = sysctl_handle_int(oidp, &v, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (v != 0 && !(sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS))
return (ENOTSUP);
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4stls");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else {
sc->tt.tls = !!v;
for_each_port(sc, i) {
for_each_vi(sc->port[i], j, vi) {
if (vi->flags & VI_INIT_DONE)
t4_update_fl_bufsize(vi->ifp);
}
}
}
end_synchronized_op(sc, 0);
return (rc);
}
static int
sysctl_tls_rx_ports(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int *old_ports, *new_ports;
int i, new_count, rc;
if (req->newptr == NULL && req->oldptr == NULL)
return (SYSCTL_OUT(req, NULL, imax(sc->tt.num_tls_rx_ports, 1) *
sizeof(sc->tt.tls_rx_ports[0])));
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4tlsrx");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
if (sc->tt.num_tls_rx_ports == 0) {
i = -1;
rc = SYSCTL_OUT(req, &i, sizeof(i));
} else
rc = SYSCTL_OUT(req, sc->tt.tls_rx_ports,
sc->tt.num_tls_rx_ports * sizeof(sc->tt.tls_rx_ports[0]));
if (rc == 0 && req->newptr != NULL) {
new_count = req->newlen / sizeof(new_ports[0]);
new_ports = malloc(new_count * sizeof(new_ports[0]), M_CXGBE,
M_WAITOK);
rc = SYSCTL_IN(req, new_ports, new_count *
sizeof(new_ports[0]));
if (rc)
goto err;
/* Allow setting to a single '-1' to clear the list. */
if (new_count == 1 && new_ports[0] == -1) {
ADAPTER_LOCK(sc);
old_ports = sc->tt.tls_rx_ports;
sc->tt.tls_rx_ports = NULL;
sc->tt.num_tls_rx_ports = 0;
ADAPTER_UNLOCK(sc);
free(old_ports, M_CXGBE);
} else {
for (i = 0; i < new_count; i++) {
if (new_ports[i] < 1 ||
new_ports[i] > IPPORT_MAX) {
rc = EINVAL;
goto err;
}
}
ADAPTER_LOCK(sc);
old_ports = sc->tt.tls_rx_ports;
sc->tt.tls_rx_ports = new_ports;
sc->tt.num_tls_rx_ports = new_count;
ADAPTER_UNLOCK(sc);
free(old_ports, M_CXGBE);
new_ports = NULL;
}
err:
free(new_ports, M_CXGBE);
}
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
sysctl_tls_rx_timeout(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int v, rc;
v = sc->tt.tls_rx_timeout;
rc = sysctl_handle_int(oidp, &v, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (v < 0)
return (EINVAL);
if (v != 0 && !(sc->cryptocaps & FW_CAPS_CONFIG_TLSKEYS))
return (ENOTSUP);
sc->tt.tls_rx_timeout = v;
return (0);
}
static void
unit_conv(char *buf, size_t len, u_int val, u_int factor)
{
u_int rem = val % factor;
if (rem == 0)
snprintf(buf, len, "%u", val / factor);
else {
while (rem % 10 == 0)
rem /= 10;
snprintf(buf, len, "%u.%u", val / factor, rem);
}
}
static int
sysctl_tp_tick(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
char buf[16];
u_int res, re;
u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
res = (u_int)-1;
else
res = t4_read_reg(sc, A_TP_TIMER_RESOLUTION);
mtx_unlock(&sc->reg_lock);
if (res == (u_int)-1)
return (ENXIO);
switch (arg2) {
case 0:
/* timer_tick */
re = G_TIMERRESOLUTION(res);
break;
case 1:
/* TCP timestamp tick */
re = G_TIMESTAMPRESOLUTION(res);
break;
case 2:
/* DACK tick */
re = G_DELAYEDACKRESOLUTION(res);
break;
default:
return (EDOOFUS);
}
unit_conv(buf, sizeof(buf), (cclk_ps << re), 1000000);
return (sysctl_handle_string(oidp, buf, sizeof(buf), req));
}
static int
sysctl_tp_dack_timer(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc;
u_int dack_tmr, dack_re, v;
u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = 0;
dack_re = G_DELAYEDACKRESOLUTION(t4_read_reg(sc,
A_TP_TIMER_RESOLUTION));
dack_tmr = t4_read_reg(sc, A_TP_DACK_TIMER);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
v = ((cclk_ps << dack_re) / 1000000) * dack_tmr;
return (sysctl_handle_int(oidp, &v, 0, req));
}
static int
sysctl_tp_timer(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, reg = arg2;
u_int tre;
u_long tp_tick_us, v;
u_int cclk_ps = 1000000000 / sc->params.vpd.cclk;
MPASS(reg == A_TP_RXT_MIN || reg == A_TP_RXT_MAX ||
reg == A_TP_PERS_MIN || reg == A_TP_PERS_MAX ||
reg == A_TP_KEEP_IDLE || reg == A_TP_KEEP_INTVL ||
reg == A_TP_INIT_SRTT || reg == A_TP_FINWAIT2_TIMER);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = 0;
tre = G_TIMERRESOLUTION(t4_read_reg(sc, A_TP_TIMER_RESOLUTION));
tp_tick_us = (cclk_ps << tre) / 1000000;
if (reg == A_TP_INIT_SRTT)
v = tp_tick_us * G_INITSRTT(t4_read_reg(sc, reg));
else
v = tp_tick_us * t4_read_reg(sc, reg);
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
else
return (sysctl_handle_long(oidp, &v, 0, req));
}
/*
* All fields in TP_SHIFT_CNT are 4b and the starting location of the field is
* passed to this function.
*/
static int
sysctl_tp_shift_cnt(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, idx = arg2;
u_int v;
MPASS(idx >= 0 && idx <= 24);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = 0;
v = (t4_read_reg(sc, A_TP_SHIFT_CNT) >> idx) & 0xf;
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
else
return (sysctl_handle_int(oidp, &v, 0, req));
}
static int
sysctl_tp_backoff(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int rc, idx = arg2;
u_int shift, v, r;
MPASS(idx >= 0 && idx < 16);
r = A_TP_TCP_BACKOFF_REG0 + (idx & ~3);
shift = (idx & 3) << 3;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else {
rc = 0;
v = (t4_read_reg(sc, r) >> shift) & M_TIMERBACKOFFINDEX0;
}
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
else
return (sysctl_handle_int(oidp, &v, 0, req));
}
static int
sysctl_holdoff_tmr_idx_ofld(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int idx, rc, i;
struct sge_ofld_rxq *ofld_rxq;
uint8_t v;
idx = vi->ofld_tmr_idx;
rc = sysctl_handle_int(oidp, &idx, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (idx < 0 || idx >= SGE_NTIMERS)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4otmr");
if (rc)
return (rc);
v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(vi->ofld_pktc_idx != -1);
for_each_ofld_rxq(vi, i, ofld_rxq) {
#ifdef atomic_store_rel_8
atomic_store_rel_8(&ofld_rxq->iq.intr_params, v);
#else
ofld_rxq->iq.intr_params = v;
#endif
}
vi->ofld_tmr_idx = idx;
end_synchronized_op(sc, LOCK_HELD);
return (0);
}
static int
sysctl_holdoff_pktc_idx_ofld(SYSCTL_HANDLER_ARGS)
{
struct vi_info *vi = arg1;
struct adapter *sc = vi->adapter;
int idx, rc;
idx = vi->ofld_pktc_idx;
rc = sysctl_handle_int(oidp, &idx, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (idx < -1 || idx >= SGE_NCOUNTERS)
return (EINVAL);
rc = begin_synchronized_op(sc, vi, HOLD_LOCK | SLEEP_OK | INTR_OK,
"t4opktc");
if (rc)
return (rc);
if (vi->flags & VI_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
else
vi->ofld_pktc_idx = idx;
end_synchronized_op(sc, LOCK_HELD);
return (rc);
}
#endif
static int
get_sge_context(struct adapter *sc, struct t4_sge_context *cntxt)
{
int rc;
if (cntxt->cid > M_CTXTQID)
return (EINVAL);
if (cntxt->mem_id != CTXT_EGRESS && cntxt->mem_id != CTXT_INGRESS &&
cntxt->mem_id != CTXT_FLM && cntxt->mem_id != CTXT_CNM)
return (EINVAL);
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ctxt");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
if (sc->flags & FW_OK) {
rc = -t4_sge_ctxt_rd(sc, sc->mbox, cntxt->cid, cntxt->mem_id,
&cntxt->data[0]);
if (rc == 0)
goto done;
}
/*
* Read via firmware failed or wasn't even attempted. Read directly via
* the backdoor.
*/
rc = -t4_sge_ctxt_rd_bd(sc, cntxt->cid, cntxt->mem_id, &cntxt->data[0]);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
load_fw(struct adapter *sc, struct t4_data *fw)
{
int rc;
uint8_t *fw_data;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldfw");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
/*
* The firmware, with the sole exception of the memory parity error
* handler, runs from memory and not flash. It is almost always safe to
* install a new firmware on a running system. Just set bit 1 in
* hw.cxgbe.dflags or dev.<nexus>.<n>.dflags first.
*/
if (sc->flags & FULL_INIT_DONE &&
(sc->debug_flags & DF_LOAD_FW_ANYTIME) == 0) {
rc = EBUSY;
goto done;
}
fw_data = malloc(fw->len, M_CXGBE, M_WAITOK);
rc = copyin(fw->data, fw_data, fw->len);
if (rc == 0)
rc = -t4_load_fw(sc, fw_data, fw->len);
free(fw_data, M_CXGBE);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
load_cfg(struct adapter *sc, struct t4_data *cfg)
{
int rc;
uint8_t *cfg_data = NULL;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
if (cfg->len == 0) {
/* clear */
rc = -t4_load_cfg(sc, NULL, 0);
goto done;
}
cfg_data = malloc(cfg->len, M_CXGBE, M_WAITOK);
rc = copyin(cfg->data, cfg_data, cfg->len);
if (rc == 0)
rc = -t4_load_cfg(sc, cfg_data, cfg->len);
free(cfg_data, M_CXGBE);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
load_boot(struct adapter *sc, struct t4_bootrom *br)
{
int rc;
uint8_t *br_data = NULL;
u_int offset;
if (br->len > 1024 * 1024)
return (EFBIG);
if (br->pf_offset == 0) {
/* pfidx */
if (br->pfidx_addr > 7)
return (EINVAL);
offset = G_OFFSET(t4_read_reg(sc, PF_REG(br->pfidx_addr,
A_PCIE_PF_EXPROM_OFST)));
} else if (br->pf_offset == 1) {
/* offset */
offset = G_OFFSET(br->pfidx_addr);
} else {
return (EINVAL);
}
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldbr");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
if (br->len == 0) {
/* clear */
rc = -t4_load_boot(sc, NULL, offset, 0);
goto done;
}
br_data = malloc(br->len, M_CXGBE, M_WAITOK);
rc = copyin(br->data, br_data, br->len);
if (rc == 0)
rc = -t4_load_boot(sc, br_data, offset, br->len);
free(br_data, M_CXGBE);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
load_bootcfg(struct adapter *sc, struct t4_data *bc)
{
int rc;
uint8_t *bc_data = NULL;
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4ldcf");
if (rc)
return (rc);
if (hw_off_limits(sc)) {
rc = ENXIO;
goto done;
}
if (bc->len == 0) {
/* clear */
rc = -t4_load_bootcfg(sc, NULL, 0);
goto done;
}
bc_data = malloc(bc->len, M_CXGBE, M_WAITOK);
rc = copyin(bc->data, bc_data, bc->len);
if (rc == 0)
rc = -t4_load_bootcfg(sc, bc_data, bc->len);
free(bc_data, M_CXGBE);
done:
end_synchronized_op(sc, 0);
return (rc);
}
static int
cudbg_dump(struct adapter *sc, struct t4_cudbg_dump *dump)
{
int rc;
struct cudbg_init *cudbg;
void *handle, *buf;
/* buf is large, don't block if no memory is available */
buf = malloc(dump->len, M_CXGBE, M_NOWAIT | M_ZERO);
if (buf == NULL)
return (ENOMEM);
handle = cudbg_alloc_handle();
if (handle == NULL) {
rc = ENOMEM;
goto done;
}
cudbg = cudbg_get_init(handle);
cudbg->adap = sc;
cudbg->print = (cudbg_print_cb)printf;
#ifndef notyet
device_printf(sc->dev, "%s: wr_flash %u, len %u, data %p.\n",
__func__, dump->wr_flash, dump->len, dump->data);
#endif
if (dump->wr_flash)
cudbg->use_flash = 1;
MPASS(sizeof(cudbg->dbg_bitmap) == sizeof(dump->bitmap));
memcpy(cudbg->dbg_bitmap, dump->bitmap, sizeof(cudbg->dbg_bitmap));
rc = cudbg_collect(handle, buf, &dump->len);
if (rc != 0)
goto done;
rc = copyout(buf, dump->data, dump->len);
done:
cudbg_free_handle(handle);
free(buf, M_CXGBE);
return (rc);
}
static void
free_offload_policy(struct t4_offload_policy *op)
{
struct offload_rule *r;
int i;
if (op == NULL)
return;
r = &op->rule[0];
for (i = 0; i < op->nrules; i++, r++) {
free(r->bpf_prog.bf_insns, M_CXGBE);
}
free(op->rule, M_CXGBE);
free(op, M_CXGBE);
}
static int
set_offload_policy(struct adapter *sc, struct t4_offload_policy *uop)
{
int i, rc, len;
struct t4_offload_policy *op, *old;
struct bpf_program *bf;
const struct offload_settings *s;
struct offload_rule *r;
void *u;
if (!is_offload(sc))
return (ENODEV);
if (uop->nrules == 0) {
/* Delete installed policies. */
op = NULL;
goto set_policy;
} else if (uop->nrules > 256) { /* arbitrary */
return (E2BIG);
}
/* Copy userspace offload policy to kernel */
op = malloc(sizeof(*op), M_CXGBE, M_ZERO | M_WAITOK);
op->nrules = uop->nrules;
len = op->nrules * sizeof(struct offload_rule);
op->rule = malloc(len, M_CXGBE, M_ZERO | M_WAITOK);
rc = copyin(uop->rule, op->rule, len);
if (rc) {
free(op->rule, M_CXGBE);
free(op, M_CXGBE);
return (rc);
}
r = &op->rule[0];
for (i = 0; i < op->nrules; i++, r++) {
/* Validate open_type */
if (r->open_type != OPEN_TYPE_LISTEN &&
r->open_type != OPEN_TYPE_ACTIVE &&
r->open_type != OPEN_TYPE_PASSIVE &&
r->open_type != OPEN_TYPE_DONTCARE) {
error:
/*
* Rules 0 to i have malloc'd filters that need to be
* freed. Rules i+1 to nrules have userspace pointers
* and should be left alone.
*/
op->nrules = i;
free_offload_policy(op);
return (rc);
}
/* Validate settings */
s = &r->settings;
if ((s->offload != 0 && s->offload != 1) ||
s->cong_algo < -1 || s->cong_algo > CONG_ALG_HIGHSPEED ||
s->sched_class < -1 ||
s->sched_class >= sc->chip_params->nsched_cls) {
rc = EINVAL;
goto error;
}
bf = &r->bpf_prog;
u = bf->bf_insns; /* userspace ptr */
bf->bf_insns = NULL;
if (bf->bf_len == 0) {
/* legal, matches everything */
continue;
}
len = bf->bf_len * sizeof(*bf->bf_insns);
bf->bf_insns = malloc(len, M_CXGBE, M_ZERO | M_WAITOK);
rc = copyin(u, bf->bf_insns, len);
if (rc != 0)
goto error;
if (!bpf_validate(bf->bf_insns, bf->bf_len)) {
rc = EINVAL;
goto error;
}
}
set_policy:
rw_wlock(&sc->policy_lock);
old = sc->policy;
sc->policy = op;
rw_wunlock(&sc->policy_lock);
free_offload_policy(old);
return (0);
}
#define MAX_READ_BUF_SIZE (128 * 1024)
static int
read_card_mem(struct adapter *sc, int win, struct t4_mem_range *mr)
{
uint32_t addr, remaining, n;
uint32_t *buf;
int rc;
uint8_t *dst;
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = validate_mem_range(sc, mr->addr, mr->len);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
return (rc);
buf = malloc(min(mr->len, MAX_READ_BUF_SIZE), M_CXGBE, M_WAITOK);
addr = mr->addr;
remaining = mr->len;
dst = (void *)mr->data;
while (remaining) {
n = min(remaining, MAX_READ_BUF_SIZE);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
read_via_memwin(sc, 2, addr, buf, n);
mtx_unlock(&sc->reg_lock);
if (rc != 0)
break;
rc = copyout(buf, dst, n);
if (rc != 0)
break;
dst += n;
remaining -= n;
addr += n;
}
free(buf, M_CXGBE);
return (rc);
}
#undef MAX_READ_BUF_SIZE
static int
read_i2c(struct adapter *sc, struct t4_i2c_data *i2cd)
{
int rc;
if (i2cd->len == 0 || i2cd->port_id >= sc->params.nports)
return (EINVAL);
if (i2cd->len > sizeof(i2cd->data))
return (EFBIG);
rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4i2crd");
if (rc)
return (rc);
if (hw_off_limits(sc))
rc = ENXIO;
else
rc = -t4_i2c_rd(sc, sc->mbox, i2cd->port_id, i2cd->dev_addr,
i2cd->offset, i2cd->len, &i2cd->data[0]);
end_synchronized_op(sc, 0);
return (rc);
}
static int
clear_stats(struct adapter *sc, u_int port_id)
{
int i, v, chan_map;
struct port_info *pi;
struct vi_info *vi;
struct sge_rxq *rxq;
struct sge_txq *txq;
struct sge_wrq *wrq;
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
struct sge_ofld_txq *ofld_txq;
#endif
#ifdef TCP_OFFLOAD
struct sge_ofld_rxq *ofld_rxq;
#endif
if (port_id >= sc->params.nports)
return (EINVAL);
pi = sc->port[port_id];
if (pi == NULL)
return (EIO);
mtx_lock(&sc->reg_lock);
if (!hw_off_limits(sc)) {
/* MAC stats */
t4_clr_port_stats(sc, pi->tx_chan);
if (is_t6(sc)) {
if (pi->fcs_reg != -1)
pi->fcs_base = t4_read_reg64(sc, pi->fcs_reg);
else
pi->stats.rx_fcs_err = 0;
}
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE)
t4_clr_vi_stats(sc, vi->vin);
}
chan_map = pi->rx_e_chan_map;
v = 0; /* reuse */
while (chan_map) {
i = ffs(chan_map) - 1;
t4_write_indirect(sc, A_TP_MIB_INDEX, A_TP_MIB_DATA, &v,
1, A_TP_MIB_TNL_CNG_DROP_0 + i);
chan_map &= ~(1 << i);
}
}
mtx_unlock(&sc->reg_lock);
pi->tx_parse_error = 0;
pi->tnl_cong_drops = 0;
/*
* Since this command accepts a port, clear stats for
* all VIs on this port.
*/
for_each_vi(pi, v, vi) {
if (vi->flags & VI_INIT_DONE) {
for_each_rxq(vi, i, rxq) {
#if defined(INET) || defined(INET6)
rxq->lro.lro_queued = 0;
rxq->lro.lro_flushed = 0;
#endif
rxq->rxcsum = 0;
rxq->vlan_extraction = 0;
rxq->vxlan_rxcsum = 0;
rxq->fl.cl_allocated = 0;
rxq->fl.cl_recycled = 0;
rxq->fl.cl_fast_recycled = 0;
}
for_each_txq(vi, i, txq) {
txq->txcsum = 0;
txq->tso_wrs = 0;
txq->vlan_insertion = 0;
txq->imm_wrs = 0;
txq->sgl_wrs = 0;
txq->txpkt_wrs = 0;
txq->txpkts0_wrs = 0;
txq->txpkts1_wrs = 0;
txq->txpkts0_pkts = 0;
txq->txpkts1_pkts = 0;
txq->txpkts_flush = 0;
txq->raw_wrs = 0;
txq->vxlan_tso_wrs = 0;
txq->vxlan_txcsum = 0;
txq->kern_tls_records = 0;
txq->kern_tls_short = 0;
txq->kern_tls_partial = 0;
txq->kern_tls_full = 0;
txq->kern_tls_octets = 0;
txq->kern_tls_waste = 0;
txq->kern_tls_options = 0;
txq->kern_tls_header = 0;
txq->kern_tls_fin = 0;
txq->kern_tls_fin_short = 0;
txq->kern_tls_cbc = 0;
txq->kern_tls_gcm = 0;
mp_ring_reset_stats(txq->r);
}
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
for_each_ofld_txq(vi, i, ofld_txq) {
ofld_txq->wrq.tx_wrs_direct = 0;
ofld_txq->wrq.tx_wrs_copied = 0;
counter_u64_zero(ofld_txq->tx_iscsi_pdus);
counter_u64_zero(ofld_txq->tx_iscsi_octets);
counter_u64_zero(ofld_txq->tx_toe_tls_records);
counter_u64_zero(ofld_txq->tx_toe_tls_octets);
}
#endif
#ifdef TCP_OFFLOAD
for_each_ofld_rxq(vi, i, ofld_rxq) {
ofld_rxq->fl.cl_allocated = 0;
ofld_rxq->fl.cl_recycled = 0;
ofld_rxq->fl.cl_fast_recycled = 0;
counter_u64_zero(
ofld_rxq->rx_iscsi_ddp_setup_ok);
counter_u64_zero(
ofld_rxq->rx_iscsi_ddp_setup_error);
ofld_rxq->rx_iscsi_ddp_pdus = 0;
ofld_rxq->rx_iscsi_ddp_octets = 0;
ofld_rxq->rx_iscsi_fl_pdus = 0;
ofld_rxq->rx_iscsi_fl_octets = 0;
ofld_rxq->rx_toe_tls_records = 0;
ofld_rxq->rx_toe_tls_octets = 0;
}
#endif
if (IS_MAIN_VI(vi)) {
wrq = &sc->sge.ctrlq[pi->port_id];
wrq->tx_wrs_direct = 0;
wrq->tx_wrs_copied = 0;
}
}
}
return (0);
}
int
t4_os_find_pci_capability(struct adapter *sc, int cap)
{
int i;
return (pci_find_cap(sc->dev, cap, &i) == 0 ? i : 0);
}
int
t4_os_pci_save_state(struct adapter *sc)
{
device_t dev;
struct pci_devinfo *dinfo;
dev = sc->dev;
dinfo = device_get_ivars(dev);
pci_cfg_save(dev, dinfo, 0);
return (0);
}
int
t4_os_pci_restore_state(struct adapter *sc)
{
device_t dev;
struct pci_devinfo *dinfo;
dev = sc->dev;
dinfo = device_get_ivars(dev);
pci_cfg_restore(dev, dinfo);
return (0);
}
void
t4_os_portmod_changed(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
struct vi_info *vi;
struct ifnet *ifp;
static const char *mod_str[] = {
NULL, "LR", "SR", "ER", "TWINAX", "active TWINAX", "LRM"
};
KASSERT((pi->flags & FIXED_IFMEDIA) == 0,
("%s: port_type %u", __func__, pi->port_type));
vi = &pi->vi[0];
if (begin_synchronized_op(sc, vi, HOLD_LOCK, "t4mod") == 0) {
PORT_LOCK(pi);
build_medialist(pi);
if (pi->mod_type != FW_PORT_MOD_TYPE_NONE) {
fixup_link_config(pi);
apply_link_config(pi);
}
PORT_UNLOCK(pi);
end_synchronized_op(sc, LOCK_HELD);
}
ifp = vi->ifp;
if (pi->mod_type == FW_PORT_MOD_TYPE_NONE)
if_printf(ifp, "transceiver unplugged.\n");
else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN)
if_printf(ifp, "unknown transceiver inserted.\n");
else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED)
if_printf(ifp, "unsupported transceiver inserted.\n");
else if (pi->mod_type > 0 && pi->mod_type < nitems(mod_str)) {
if_printf(ifp, "%dGbps %s transceiver inserted.\n",
port_top_speed(pi), mod_str[pi->mod_type]);
} else {
if_printf(ifp, "transceiver (type %d) inserted.\n",
pi->mod_type);
}
}
void
t4_os_link_changed(struct port_info *pi)
{
struct vi_info *vi;
struct ifnet *ifp;
struct link_config *lc = &pi->link_cfg;
struct adapter *sc = pi->adapter;
int v;
PORT_LOCK_ASSERT_OWNED(pi);
if (is_t6(sc)) {
if (lc->link_ok) {
if (lc->speed > 25000 ||
(lc->speed == 25000 && lc->fec == FEC_RS)) {
pi->fcs_reg = T5_PORT_REG(pi->tx_chan,
A_MAC_PORT_AFRAMECHECKSEQUENCEERRORS);
} else {
pi->fcs_reg = T5_PORT_REG(pi->tx_chan,
A_MAC_PORT_MTIP_1G10G_RX_CRCERRORS);
}
pi->fcs_base = t4_read_reg64(sc, pi->fcs_reg);
pi->stats.rx_fcs_err = 0;
} else {
pi->fcs_reg = -1;
}
} else {
MPASS(pi->fcs_reg != -1);
MPASS(pi->fcs_base == 0);
}
for_each_vi(pi, v, vi) {
ifp = vi->ifp;
if (ifp == NULL)
continue;
if (lc->link_ok) {
ifp->if_baudrate = IF_Mbps(lc->speed);
if_link_state_change(ifp, LINK_STATE_UP);
} else {
if_link_state_change(ifp, LINK_STATE_DOWN);
}
}
}
void
t4_iterate(void (*func)(struct adapter *, void *), void *arg)
{
struct adapter *sc;
sx_slock(&t4_list_lock);
SLIST_FOREACH(sc, &t4_list, link) {
/*
* func should not make any assumptions about what state sc is
* in - the only guarantee is that sc->sc_lock is a valid lock.
*/
func(sc, arg);
}
sx_sunlock(&t4_list_lock);
}
static int
t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag,
struct thread *td)
{
int rc;
struct adapter *sc = dev->si_drv1;
rc = priv_check(td, PRIV_DRIVER);
if (rc != 0)
return (rc);
switch (cmd) {
case CHELSIO_T4_GETREG: {
struct t4_reg *edata = (struct t4_reg *)data;
if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len)
return (EFAULT);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else if (edata->size == 4)
edata->val = t4_read_reg(sc, edata->addr);
else if (edata->size == 8)
edata->val = t4_read_reg64(sc, edata->addr);
else
rc = EINVAL;
mtx_unlock(&sc->reg_lock);
break;
}
case CHELSIO_T4_SETREG: {
struct t4_reg *edata = (struct t4_reg *)data;
if ((edata->addr & 0x3) != 0 || edata->addr >= sc->mmio_len)
return (EFAULT);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else if (edata->size == 4) {
if (edata->val & 0xffffffff00000000)
rc = EINVAL;
t4_write_reg(sc, edata->addr, (uint32_t) edata->val);
} else if (edata->size == 8)
t4_write_reg64(sc, edata->addr, edata->val);
else
rc = EINVAL;
mtx_unlock(&sc->reg_lock);
break;
}
case CHELSIO_T4_REGDUMP: {
struct t4_regdump *regs = (struct t4_regdump *)data;
int reglen = t4_get_regs_len(sc);
uint8_t *buf;
if (regs->len < reglen) {
regs->len = reglen; /* hint to the caller */
return (ENOBUFS);
}
regs->len = reglen;
buf = malloc(reglen, M_CXGBE, M_WAITOK | M_ZERO);
mtx_lock(&sc->reg_lock);
if (hw_off_limits(sc))
rc = ENXIO;
else
get_regs(sc, regs, buf);
mtx_unlock(&sc->reg_lock);
if (rc == 0)
rc = copyout(buf, regs->data, reglen);
free(buf, M_CXGBE);
break;
}
case CHELSIO_T4_GET_FILTER_MODE:
rc = get_filter_mode(sc, (uint32_t *)data);
break;
case CHELSIO_T4_SET_FILTER_MODE:
rc = set_filter_mode(sc, *(uint32_t *)data);
break;
case CHELSIO_T4_SET_FILTER_MASK:
rc = set_filter_mask(sc, *(uint32_t *)data);
break;
case CHELSIO_T4_GET_FILTER:
rc = get_filter(sc, (struct t4_filter *)data);
break;
case CHELSIO_T4_SET_FILTER:
rc = set_filter(sc, (struct t4_filter *)data);
break;
case CHELSIO_T4_DEL_FILTER:
rc = del_filter(sc, (struct t4_filter *)data);
break;
case CHELSIO_T4_GET_SGE_CONTEXT:
rc = get_sge_context(sc, (struct t4_sge_context *)data);
break;
case CHELSIO_T4_LOAD_FW:
rc = load_fw(sc, (struct t4_data *)data);
break;
case CHELSIO_T4_GET_MEM:
rc = read_card_mem(sc, 2, (struct t4_mem_range *)data);
break;
case CHELSIO_T4_GET_I2C:
rc = read_i2c(sc, (struct t4_i2c_data *)data);
break;
case CHELSIO_T4_CLEAR_STATS:
rc = clear_stats(sc, *(uint32_t *)data);
break;
case CHELSIO_T4_SCHED_CLASS:
rc = t4_set_sched_class(sc, (struct t4_sched_params *)data);
break;
case CHELSIO_T4_SCHED_QUEUE:
rc = t4_set_sched_queue(sc, (struct t4_sched_queue *)data);
break;
case CHELSIO_T4_GET_TRACER:
rc = t4_get_tracer(sc, (struct t4_tracer *)data);
break;
case CHELSIO_T4_SET_TRACER:
rc = t4_set_tracer(sc, (struct t4_tracer *)data);
break;
case CHELSIO_T4_LOAD_CFG:
rc = load_cfg(sc, (struct t4_data *)data);
break;
case CHELSIO_T4_LOAD_BOOT:
rc = load_boot(sc, (struct t4_bootrom *)data);
break;
case CHELSIO_T4_LOAD_BOOTCFG:
rc = load_bootcfg(sc, (struct t4_data *)data);
break;
case CHELSIO_T4_CUDBG_DUMP:
rc = cudbg_dump(sc, (struct t4_cudbg_dump *)data);
break;
case CHELSIO_T4_SET_OFLD_POLICY:
rc = set_offload_policy(sc, (struct t4_offload_policy *)data);
break;
default:
rc = ENOTTY;
}
return (rc);
}
#ifdef TCP_OFFLOAD
static int
toe_capability(struct vi_info *vi, bool enable)
{
int rc;
struct port_info *pi = vi->pi;
struct adapter *sc = pi->adapter;
ASSERT_SYNCHRONIZED_OP(sc);
if (!is_offload(sc))
return (ENODEV);
if (hw_off_limits(sc))
return (ENXIO);
if (enable) {
#ifdef KERN_TLS
if (sc->flags & KERN_TLS_ON) {
int i, j, n;
struct port_info *p;
struct vi_info *v;
/*
* Reconfigure hardware for TOE if TXTLS is not enabled
* on any ifnet.
*/
n = 0;
for_each_port(sc, i) {
p = sc->port[i];
for_each_vi(p, j, v) {
if (v->ifp->if_capenable & IFCAP_TXTLS) {
CH_WARN(sc,
"%s has NIC TLS enabled.\n",
device_get_nameunit(v->dev));
n++;
}
}
}
if (n > 0) {
CH_WARN(sc, "Disable NIC TLS on all interfaces "
"associated with this adapter before "
"trying to enable TOE.\n");
return (EAGAIN);
}
rc = t4_config_kern_tls(sc, false);
if (rc)
return (rc);
}
#endif
if ((vi->ifp->if_capenable & IFCAP_TOE) != 0) {
/* TOE is already enabled. */
return (0);
}
/*
* We need the port's queues around so that we're able to send
* and receive CPLs to/from the TOE even if the ifnet for this
* port has never been UP'd administratively.
*/
if (!(vi->flags & VI_INIT_DONE) && ((rc = vi_init(vi)) != 0))
return (rc);
if (!(pi->vi[0].flags & VI_INIT_DONE) &&
((rc = vi_init(&pi->vi[0])) != 0))
return (rc);
if (isset(&sc->offload_map, pi->port_id)) {
/* TOE is enabled on another VI of this port. */
pi->uld_vis++;
return (0);
}
if (!uld_active(sc, ULD_TOM)) {
rc = t4_activate_uld(sc, ULD_TOM);
if (rc == EAGAIN) {
log(LOG_WARNING,
"You must kldload t4_tom.ko before trying "
"to enable TOE on a cxgbe interface.\n");
}
if (rc != 0)
return (rc);
KASSERT(sc->tom_softc != NULL,
("%s: TOM activated but softc NULL", __func__));
KASSERT(uld_active(sc, ULD_TOM),
("%s: TOM activated but flag not set", __func__));
}
/* Activate iWARP and iSCSI too, if the modules are loaded. */
if (!uld_active(sc, ULD_IWARP))
(void) t4_activate_uld(sc, ULD_IWARP);
if (!uld_active(sc, ULD_ISCSI))
(void) t4_activate_uld(sc, ULD_ISCSI);
pi->uld_vis++;
setbit(&sc->offload_map, pi->port_id);
} else {
pi->uld_vis--;
if (!isset(&sc->offload_map, pi->port_id) || pi->uld_vis > 0)
return (0);
KASSERT(uld_active(sc, ULD_TOM),
("%s: TOM never initialized?", __func__));
clrbit(&sc->offload_map, pi->port_id);
}
return (0);
}
/*
* Add an upper layer driver to the global list.
*/
int
t4_register_uld(struct uld_info *ui)
{
int rc = 0;
struct uld_info *u;
sx_xlock(&t4_uld_list_lock);
SLIST_FOREACH(u, &t4_uld_list, link) {
if (u->uld_id == ui->uld_id) {
rc = EEXIST;
goto done;
}
}
SLIST_INSERT_HEAD(&t4_uld_list, ui, link);
ui->refcount = 0;
done:
sx_xunlock(&t4_uld_list_lock);
return (rc);
}
int
t4_unregister_uld(struct uld_info *ui)
{
int rc = EINVAL;
struct uld_info *u;
sx_xlock(&t4_uld_list_lock);
SLIST_FOREACH(u, &t4_uld_list, link) {
if (u == ui) {
if (ui->refcount > 0) {
rc = EBUSY;
goto done;
}
SLIST_REMOVE(&t4_uld_list, ui, uld_info, link);
rc = 0;
goto done;
}
}
done:
sx_xunlock(&t4_uld_list_lock);
return (rc);
}
int
t4_activate_uld(struct adapter *sc, int id)
{
int rc;
struct uld_info *ui;
ASSERT_SYNCHRONIZED_OP(sc);
if (id < 0 || id > ULD_MAX)
return (EINVAL);
rc = EAGAIN; /* kldoad the module with this ULD and try again. */
sx_slock(&t4_uld_list_lock);
SLIST_FOREACH(ui, &t4_uld_list, link) {
if (ui->uld_id == id) {
if (!(sc->flags & FULL_INIT_DONE)) {
rc = adapter_init(sc);
if (rc != 0)
break;
}
rc = ui->activate(sc);
if (rc == 0) {
setbit(&sc->active_ulds, id);
ui->refcount++;
}
break;
}
}
sx_sunlock(&t4_uld_list_lock);
return (rc);
}
int
t4_deactivate_uld(struct adapter *sc, int id)
{
int rc;
struct uld_info *ui;
ASSERT_SYNCHRONIZED_OP(sc);
if (id < 0 || id > ULD_MAX)
return (EINVAL);
rc = ENXIO;
sx_slock(&t4_uld_list_lock);
SLIST_FOREACH(ui, &t4_uld_list, link) {
if (ui->uld_id == id) {
rc = ui->deactivate(sc);
if (rc == 0) {
clrbit(&sc->active_ulds, id);
ui->refcount--;
}
break;
}
}
sx_sunlock(&t4_uld_list_lock);
return (rc);
}
static void
t4_async_event(void *arg, int n)
{
struct uld_info *ui;
struct adapter *sc = (struct adapter *)arg;
if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4async") != 0)
return;
sx_slock(&t4_uld_list_lock);
SLIST_FOREACH(ui, &t4_uld_list, link) {
if (ui->uld_id == ULD_IWARP) {
ui->async_event(sc);
break;
}
}
sx_sunlock(&t4_uld_list_lock);
end_synchronized_op(sc, 0);
}
int
uld_active(struct adapter *sc, int uld_id)
{
MPASS(uld_id >= 0 && uld_id <= ULD_MAX);
return (isset(&sc->active_ulds, uld_id));
}
#endif
#ifdef KERN_TLS
static int
ktls_capability(struct adapter *sc, bool enable)
{
ASSERT_SYNCHRONIZED_OP(sc);
if (!is_ktls(sc))
return (ENODEV);
if (hw_off_limits(sc))
return (ENXIO);
if (enable) {
if (sc->flags & KERN_TLS_ON)
return (0); /* already on */
if (sc->offload_map != 0) {
CH_WARN(sc,
"Disable TOE on all interfaces associated with "
"this adapter before trying to enable NIC TLS.\n");
return (EAGAIN);
}
return (t4_config_kern_tls(sc, true));
} else {
/*
* Nothing to do for disable. If TOE is enabled sometime later
* then toe_capability will reconfigure the hardware.
*/
return (0);
}
}
#endif
/*
* t = ptr to tunable.
* nc = number of CPUs.
* c = compiled in default for that tunable.
*/
static void
calculate_nqueues(int *t, int nc, const int c)
{
int nq;
if (*t > 0)
return;
nq = *t < 0 ? -*t : c;
*t = min(nc, nq);
}
/*
* Come up with reasonable defaults for some of the tunables, provided they're
* not set by the user (in which case we'll use the values as is).
*/
static void
tweak_tunables(void)
{
int nc = mp_ncpus; /* our snapshot of the number of CPUs */
if (t4_ntxq < 1) {
#ifdef RSS
t4_ntxq = rss_getnumbuckets();
#else
calculate_nqueues(&t4_ntxq, nc, NTXQ);
#endif
}
calculate_nqueues(&t4_ntxq_vi, nc, NTXQ_VI);
if (t4_nrxq < 1) {
#ifdef RSS
t4_nrxq = rss_getnumbuckets();
#else
calculate_nqueues(&t4_nrxq, nc, NRXQ);
#endif
}
calculate_nqueues(&t4_nrxq_vi, nc, NRXQ_VI);
#if defined(TCP_OFFLOAD) || defined(RATELIMIT)
calculate_nqueues(&t4_nofldtxq, nc, NOFLDTXQ);
calculate_nqueues(&t4_nofldtxq_vi, nc, NOFLDTXQ_VI);
#endif
#ifdef TCP_OFFLOAD
calculate_nqueues(&t4_nofldrxq, nc, NOFLDRXQ);
calculate_nqueues(&t4_nofldrxq_vi, nc, NOFLDRXQ_VI);
#endif
#if defined(TCP_OFFLOAD) || defined(KERN_TLS)
if (t4_toecaps_allowed == -1)
t4_toecaps_allowed = FW_CAPS_CONFIG_TOE;
#else
if (t4_toecaps_allowed == -1)
t4_toecaps_allowed = 0;
#endif
#ifdef TCP_OFFLOAD
if (t4_rdmacaps_allowed == -1) {
t4_rdmacaps_allowed = FW_CAPS_CONFIG_RDMA_RDDP |
FW_CAPS_CONFIG_RDMA_RDMAC;
}
if (t4_iscsicaps_allowed == -1) {
t4_iscsicaps_allowed = FW_CAPS_CONFIG_ISCSI_INITIATOR_PDU |
FW_CAPS_CONFIG_ISCSI_TARGET_PDU |
FW_CAPS_CONFIG_ISCSI_T10DIF;
}
if (t4_tmr_idx_ofld < 0 || t4_tmr_idx_ofld >= SGE_NTIMERS)
t4_tmr_idx_ofld = TMR_IDX_OFLD;
if (t4_pktc_idx_ofld < -1 || t4_pktc_idx_ofld >= SGE_NCOUNTERS)
t4_pktc_idx_ofld = PKTC_IDX_OFLD;
if (t4_toe_tls_rx_timeout < 0)
t4_toe_tls_rx_timeout = 0;
#else
if (t4_rdmacaps_allowed == -1)
t4_rdmacaps_allowed = 0;
if (t4_iscsicaps_allowed == -1)
t4_iscsicaps_allowed = 0;
#endif
#ifdef DEV_NETMAP
calculate_nqueues(&t4_nnmtxq, nc, NNMTXQ);
calculate_nqueues(&t4_nnmrxq, nc, NNMRXQ);
calculate_nqueues(&t4_nnmtxq_vi, nc, NNMTXQ_VI);
calculate_nqueues(&t4_nnmrxq_vi, nc, NNMRXQ_VI);
#endif
if (t4_tmr_idx < 0 || t4_tmr_idx >= SGE_NTIMERS)
t4_tmr_idx = TMR_IDX;
if (t4_pktc_idx < -1 || t4_pktc_idx >= SGE_NCOUNTERS)
t4_pktc_idx = PKTC_IDX;
if (t4_qsize_txq < 128)
t4_qsize_txq = 128;
if (t4_qsize_rxq < 128)
t4_qsize_rxq = 128;
while (t4_qsize_rxq & 7)
t4_qsize_rxq++;
t4_intr_types &= INTR_MSIX | INTR_MSI | INTR_INTX;
/*
* Number of VIs to create per-port. The first VI is the "main" regular
* VI for the port. The rest are additional virtual interfaces on the
* same physical port. Note that the main VI does not have native
* netmap support but the extra VIs do.
*
* Limit the number of VIs per port to the number of available
* MAC addresses per port.
*/
if (t4_num_vis < 1)
t4_num_vis = 1;
if (t4_num_vis > nitems(vi_mac_funcs)) {
t4_num_vis = nitems(vi_mac_funcs);
printf("cxgbe: number of VIs limited to %d\n", t4_num_vis);
}
if (pcie_relaxed_ordering < 0 || pcie_relaxed_ordering > 2) {
pcie_relaxed_ordering = 1;
#if defined(__i386__) || defined(__amd64__)
if (cpu_vendor_id == CPU_VENDOR_INTEL)
pcie_relaxed_ordering = 0;
#endif
}
}
#ifdef DDB
static void
t4_dump_tcb(struct adapter *sc, int tid)
{
uint32_t base, i, j, off, pf, reg, save, tcb_addr, win_pos;
reg = PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2);
save = t4_read_reg(sc, reg);
base = sc->memwin[2].mw_base;
/* Dump TCB for the tid */
tcb_addr = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
tcb_addr += tid * TCB_SIZE;
if (is_t4(sc)) {
pf = 0;
win_pos = tcb_addr & ~0xf; /* start must be 16B aligned */
} else {
pf = V_PFNUM(sc->pf);
win_pos = tcb_addr & ~0x7f; /* start must be 128B aligned */
}
t4_write_reg(sc, reg, win_pos | pf);
t4_read_reg(sc, reg);
off = tcb_addr - win_pos;
for (i = 0; i < 4; i++) {
uint32_t buf[8];
for (j = 0; j < 8; j++, off += 4)
buf[j] = htonl(t4_read_reg(sc, base + off));
db_printf("%08x %08x %08x %08x %08x %08x %08x %08x\n",
buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6],
buf[7]);
}
t4_write_reg(sc, reg, save);
t4_read_reg(sc, reg);
}
static void
t4_dump_devlog(struct adapter *sc)
{
struct devlog_params *dparams = &sc->params.devlog;
struct fw_devlog_e e;
int i, first, j, m, nentries, rc;
uint64_t ftstamp = UINT64_MAX;
if (dparams->start == 0) {
db_printf("devlog params not valid\n");
return;
}
nentries = dparams->size / sizeof(struct fw_devlog_e);
m = fwmtype_to_hwmtype(dparams->memtype);
/* Find the first entry. */
first = -1;
for (i = 0; i < nentries && !db_pager_quit; i++) {
rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e),
sizeof(e), (void *)&e);
if (rc != 0)
break;
if (e.timestamp == 0)
break;
e.timestamp = be64toh(e.timestamp);
if (e.timestamp < ftstamp) {
ftstamp = e.timestamp;
first = i;
}
}
if (first == -1)
return;
i = first;
do {
rc = -t4_mem_read(sc, m, dparams->start + i * sizeof(e),
sizeof(e), (void *)&e);
if (rc != 0)
return;
if (e.timestamp == 0)
return;
e.timestamp = be64toh(e.timestamp);
e.seqno = be32toh(e.seqno);
for (j = 0; j < 8; j++)
e.params[j] = be32toh(e.params[j]);
db_printf("%10d %15ju %8s %8s ",
e.seqno, e.timestamp,
(e.level < nitems(devlog_level_strings) ?
devlog_level_strings[e.level] : "UNKNOWN"),
(e.facility < nitems(devlog_facility_strings) ?
devlog_facility_strings[e.facility] : "UNKNOWN"));
db_printf(e.fmt, e.params[0], e.params[1], e.params[2],
e.params[3], e.params[4], e.params[5], e.params[6],
e.params[7]);
if (++i == nentries)
i = 0;
} while (i != first && !db_pager_quit);
}
static struct command_table db_t4_table = LIST_HEAD_INITIALIZER(db_t4_table);
_DB_SET(_show, t4, NULL, db_show_table, 0, &db_t4_table);
DB_FUNC(devlog, db_show_devlog, db_t4_table, CS_OWN, NULL)
{
device_t dev;
int t;
bool valid;
valid = false;
t = db_read_token();
if (t == tIDENT) {
dev = device_lookup_by_name(db_tok_string);
valid = true;
}
db_skip_to_eol();
if (!valid) {
db_printf("usage: show t4 devlog <nexus>\n");
return;
}
if (dev == NULL) {
db_printf("device not found\n");
return;
}
t4_dump_devlog(device_get_softc(dev));
}
DB_FUNC(tcb, db_show_t4tcb, db_t4_table, CS_OWN, NULL)
{
device_t dev;
int radix, tid, t;
bool valid;
valid = false;
radix = db_radix;
db_radix = 10;
t = db_read_token();
if (t == tIDENT) {
dev = device_lookup_by_name(db_tok_string);
t = db_read_token();
if (t == tNUMBER) {
tid = db_tok_number;
valid = true;
}
}
db_radix = radix;
db_skip_to_eol();
if (!valid) {
db_printf("usage: show t4 tcb <nexus> <tid>\n");
return;
}
if (dev == NULL) {
db_printf("device not found\n");
return;
}
if (tid < 0) {
db_printf("invalid tid\n");
return;
}
t4_dump_tcb(device_get_softc(dev), tid);
}
#endif
static eventhandler_tag vxlan_start_evtag;
static eventhandler_tag vxlan_stop_evtag;
struct vxlan_evargs {
struct ifnet *ifp;
uint16_t port;
};
static void
enable_vxlan_rx(struct adapter *sc)
{
int i, rc;
struct port_info *pi;
uint8_t match_all_mac[ETHER_ADDR_LEN] = {0};
ASSERT_SYNCHRONIZED_OP(sc);
t4_write_reg(sc, A_MPS_RX_VXLAN_TYPE, V_VXLAN(sc->vxlan_port) |
F_VXLAN_EN);
for_each_port(sc, i) {
pi = sc->port[i];
if (pi->vxlan_tcam_entry == true)
continue;
rc = t4_alloc_raw_mac_filt(sc, pi->vi[0].viid, match_all_mac,
match_all_mac, sc->rawf_base + pi->port_id, 1, pi->port_id,
true);
if (rc < 0) {
rc = -rc;
CH_ERR(&pi->vi[0],
"failed to add VXLAN TCAM entry: %d.\n", rc);
} else {
MPASS(rc == sc->rawf_base + pi->port_id);
pi->vxlan_tcam_entry = true;
}
}
}
static void
t4_vxlan_start(struct adapter *sc, void *arg)
{
struct vxlan_evargs *v = arg;
if (sc->nrawf == 0 || chip_id(sc) <= CHELSIO_T5)
return;
if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4vxst") != 0)
return;
if (sc->vxlan_refcount == 0) {
sc->vxlan_port = v->port;
sc->vxlan_refcount = 1;
if (!hw_off_limits(sc))
enable_vxlan_rx(sc);
} else if (sc->vxlan_port == v->port) {
sc->vxlan_refcount++;
} else {
CH_ERR(sc, "VXLAN already configured on port %d; "
"ignoring attempt to configure it on port %d\n",
sc->vxlan_port, v->port);
}
end_synchronized_op(sc, 0);
}
static void
t4_vxlan_stop(struct adapter *sc, void *arg)
{
struct vxlan_evargs *v = arg;
if (sc->nrawf == 0 || chip_id(sc) <= CHELSIO_T5)
return;
if (begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4vxsp") != 0)
return;
/*
* VXLANs may have been configured before the driver was loaded so we
* may see more stops than starts. This is not handled cleanly but at
* least we keep the refcount sane.
*/
if (sc->vxlan_port != v->port)
goto done;
if (sc->vxlan_refcount == 0) {
CH_ERR(sc, "VXLAN operation on port %d was stopped earlier; "
"ignoring attempt to stop it again.\n", sc->vxlan_port);
} else if (--sc->vxlan_refcount == 0 && !hw_off_limits(sc))
t4_set_reg_field(sc, A_MPS_RX_VXLAN_TYPE, F_VXLAN_EN, 0);
done:
end_synchronized_op(sc, 0);
}
static void
t4_vxlan_start_handler(void *arg __unused, struct ifnet *ifp,
sa_family_t family, u_int port)
{
struct vxlan_evargs v;
MPASS(family == AF_INET || family == AF_INET6);
v.ifp = ifp;
v.port = port;
t4_iterate(t4_vxlan_start, &v);
}
static void
t4_vxlan_stop_handler(void *arg __unused, struct ifnet *ifp, sa_family_t family,
u_int port)
{
struct vxlan_evargs v;
MPASS(family == AF_INET || family == AF_INET6);
v.ifp = ifp;
v.port = port;
t4_iterate(t4_vxlan_stop, &v);
}
static struct sx mlu; /* mod load unload */
SX_SYSINIT(cxgbe_mlu, &mlu, "cxgbe mod load/unload");
static int
mod_event(module_t mod, int cmd, void *arg)
{
int rc = 0;
static int loaded = 0;
switch (cmd) {
case MOD_LOAD:
sx_xlock(&mlu);
if (loaded++ == 0) {
t4_sge_modload();
t4_register_shared_cpl_handler(CPL_SET_TCB_RPL,
t4_filter_rpl, CPL_COOKIE_FILTER);
t4_register_shared_cpl_handler(CPL_L2T_WRITE_RPL,
do_l2t_write_rpl, CPL_COOKIE_FILTER);
t4_register_shared_cpl_handler(CPL_ACT_OPEN_RPL,
t4_hashfilter_ao_rpl, CPL_COOKIE_HASHFILTER);
t4_register_shared_cpl_handler(CPL_SET_TCB_RPL,
t4_hashfilter_tcb_rpl, CPL_COOKIE_HASHFILTER);
t4_register_shared_cpl_handler(CPL_ABORT_RPL_RSS,
t4_del_hashfilter_rpl, CPL_COOKIE_HASHFILTER);
t4_register_cpl_handler(CPL_TRACE_PKT, t4_trace_pkt);
t4_register_cpl_handler(CPL_T5_TRACE_PKT, t5_trace_pkt);
t4_register_cpl_handler(CPL_SMT_WRITE_RPL,
do_smt_write_rpl);
sx_init(&t4_list_lock, "T4/T5 adapters");
SLIST_INIT(&t4_list);
callout_init(&fatal_callout, 1);
#ifdef TCP_OFFLOAD
sx_init(&t4_uld_list_lock, "T4/T5 ULDs");
SLIST_INIT(&t4_uld_list);
#endif
#ifdef INET6
t4_clip_modload();
#endif
#ifdef KERN_TLS
t6_ktls_modload();
#endif
t4_tracer_modload();
tweak_tunables();
vxlan_start_evtag =
EVENTHANDLER_REGISTER(vxlan_start,
t4_vxlan_start_handler, NULL,
EVENTHANDLER_PRI_ANY);
vxlan_stop_evtag =
EVENTHANDLER_REGISTER(vxlan_stop,
t4_vxlan_stop_handler, NULL,
EVENTHANDLER_PRI_ANY);
reset_tq = taskqueue_create("t4_rst_tq", M_WAITOK,
taskqueue_thread_enqueue, &reset_tq);
taskqueue_start_threads(&reset_tq, 1, PI_SOFT,
"t4_rst_thr");
}
sx_xunlock(&mlu);
break;
case MOD_UNLOAD:
sx_xlock(&mlu);
if (--loaded == 0) {
int tries;
taskqueue_free(reset_tq);
sx_slock(&t4_list_lock);
if (!SLIST_EMPTY(&t4_list)) {
rc = EBUSY;
sx_sunlock(&t4_list_lock);
goto done_unload;
}
#ifdef TCP_OFFLOAD
sx_slock(&t4_uld_list_lock);
if (!SLIST_EMPTY(&t4_uld_list)) {
rc = EBUSY;
sx_sunlock(&t4_uld_list_lock);
sx_sunlock(&t4_list_lock);
goto done_unload;
}
#endif
tries = 0;
while (tries++ < 5 && t4_sge_extfree_refs() != 0) {
uprintf("%ju clusters with custom free routine "
"still is use.\n", t4_sge_extfree_refs());
pause("t4unload", 2 * hz);
}
#ifdef TCP_OFFLOAD
sx_sunlock(&t4_uld_list_lock);
#endif
sx_sunlock(&t4_list_lock);
if (t4_sge_extfree_refs() == 0) {
EVENTHANDLER_DEREGISTER(vxlan_start,
vxlan_start_evtag);
EVENTHANDLER_DEREGISTER(vxlan_stop,
vxlan_stop_evtag);
t4_tracer_modunload();
#ifdef KERN_TLS
t6_ktls_modunload();
#endif
#ifdef INET6
t4_clip_modunload();
#endif
#ifdef TCP_OFFLOAD
sx_destroy(&t4_uld_list_lock);
#endif
sx_destroy(&t4_list_lock);
t4_sge_modunload();
loaded = 0;
} else {
rc = EBUSY;
loaded++; /* undo earlier decrement */
}
}
done_unload:
sx_xunlock(&mlu);
break;
}
return (rc);
}
static devclass_t t4_devclass, t5_devclass, t6_devclass;
static devclass_t cxgbe_devclass, cxl_devclass, cc_devclass;
static devclass_t vcxgbe_devclass, vcxl_devclass, vcc_devclass;
DRIVER_MODULE(t4nex, pci, t4_driver, t4_devclass, mod_event, 0);
MODULE_VERSION(t4nex, 1);
MODULE_DEPEND(t4nex, firmware, 1, 1, 1);
#ifdef DEV_NETMAP
MODULE_DEPEND(t4nex, netmap, 1, 1, 1);
#endif /* DEV_NETMAP */
DRIVER_MODULE(t5nex, pci, t5_driver, t5_devclass, mod_event, 0);
MODULE_VERSION(t5nex, 1);
MODULE_DEPEND(t5nex, firmware, 1, 1, 1);
#ifdef DEV_NETMAP
MODULE_DEPEND(t5nex, netmap, 1, 1, 1);
#endif /* DEV_NETMAP */
DRIVER_MODULE(t6nex, pci, t6_driver, t6_devclass, mod_event, 0);
MODULE_VERSION(t6nex, 1);
MODULE_DEPEND(t6nex, firmware, 1, 1, 1);
#ifdef DEV_NETMAP
MODULE_DEPEND(t6nex, netmap, 1, 1, 1);
#endif /* DEV_NETMAP */
DRIVER_MODULE(cxgbe, t4nex, cxgbe_driver, cxgbe_devclass, 0, 0);
MODULE_VERSION(cxgbe, 1);
DRIVER_MODULE(cxl, t5nex, cxl_driver, cxl_devclass, 0, 0);
MODULE_VERSION(cxl, 1);
DRIVER_MODULE(cc, t6nex, cc_driver, cc_devclass, 0, 0);
MODULE_VERSION(cc, 1);
DRIVER_MODULE(vcxgbe, cxgbe, vcxgbe_driver, vcxgbe_devclass, 0, 0);
MODULE_VERSION(vcxgbe, 1);
DRIVER_MODULE(vcxl, cxl, vcxl_driver, vcxl_devclass, 0, 0);
MODULE_VERSION(vcxl, 1);
DRIVER_MODULE(vcc, cc, vcc_driver, vcc_devclass, 0, 0);
MODULE_VERSION(vcc, 1);
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