d/freebsd-nq
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
3df9a2bf07
freebsd-nq/sys/dev/cxgbe/t4_main.c
Navdeep Parhar 62795b70eb Program the MAC exact match table in batches of 7 addresses at 
a time when possible.  This is more efficient than one at a time.

Submitted by:	gnn
MFC after:	3 days
2012-02-08 00:36:36 +00:00

5463 lines
137 KiB
C
Raw Blame History

/*-
* 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_inet.h"
#include <sys/param.h>
#include <sys/conf.h>
#include <sys/priv.h>
#include <sys/kernel.h>
#include <sys/bus.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>
#include "common/common.h"
#include "common/t4_msg.h"
#include "common/t4_regs.h"
#include "common/t4_regs_values.h"
#include "t4_ioctl.h"
#include "t4_l2t.h"
/* T4 bus driver interface */
static int t4_probe(device_t);
static int t4_attach(device_t);
static int t4_detach(device_t);
static device_method_t t4_methods[] = {
DEVMETHOD(device_probe, t4_probe),
DEVMETHOD(device_attach, t4_attach),
DEVMETHOD(device_detach, t4_detach),
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);
static 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)
};
static d_ioctl_t t4_ioctl;
static d_open_t t4_open;
static d_close_t t4_close;
static struct cdevsw t4_cdevsw = {
.d_version = D_VERSION,
.d_flags = 0,
.d_open = t4_open,
.d_close = t4_close,
.d_ioctl = t4_ioctl,
.d_name = "t4nex",
};
/* ifnet + media 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 *);
static int cxgbe_media_change(struct ifnet *);
static void cxgbe_media_status(struct ifnet *, struct ifmediareq *);
MALLOC_DEFINE(M_CXGBE, "cxgbe", "Chelsio T4 Ethernet driver and services");
static struct mtx t4_list_lock;
static SLIST_HEAD(, adapter) t4_list;
#ifndef TCP_OFFLOAD_DISABLE
static struct mtx t4_uld_list_lock;
static SLIST_HEAD(, uld_info) t4_uld_list;
#endif
/*
* Tunables. See tweak_tunables() too.
*/
/*
* Number of queues for tx and rx, 10G and 1G, NIC and offload.
*/
#define NTXQ_10G 16
static int t4_ntxq10g = -1;
TUNABLE_INT("hw.cxgbe.ntxq10g", &t4_ntxq10g);
#define NRXQ_10G 8
static int t4_nrxq10g = -1;
TUNABLE_INT("hw.cxgbe.nrxq10g", &t4_nrxq10g);
#define NTXQ_1G 4
static int t4_ntxq1g = -1;
TUNABLE_INT("hw.cxgbe.ntxq1g", &t4_ntxq1g);
#define NRXQ_1G 2
static int t4_nrxq1g = -1;
TUNABLE_INT("hw.cxgbe.nrxq1g", &t4_nrxq1g);
#ifndef TCP_OFFLOAD_DISABLE
#define NOFLDTXQ_10G 8
static int t4_nofldtxq10g = -1;
TUNABLE_INT("hw.cxgbe.nofldtxq10g", &t4_nofldtxq10g);
#define NOFLDRXQ_10G 2
static int t4_nofldrxq10g = -1;
TUNABLE_INT("hw.cxgbe.nofldrxq10g", &t4_nofldrxq10g);
#define NOFLDTXQ_1G 2
static int t4_nofldtxq1g = -1;
TUNABLE_INT("hw.cxgbe.nofldtxq1g", &t4_nofldtxq1g);
#define NOFLDRXQ_1G 1
static int t4_nofldrxq1g = -1;
TUNABLE_INT("hw.cxgbe.nofldrxq1g", &t4_nofldrxq1g);
#endif
/*
* Holdoff parameters for 10G and 1G ports.
*/
#define TMR_IDX_10G 1
static int t4_tmr_idx_10g = TMR_IDX_10G;
TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_10G", &t4_tmr_idx_10g);
#define PKTC_IDX_10G 2
static int t4_pktc_idx_10g = PKTC_IDX_10G;
TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_10G", &t4_pktc_idx_10g);
#define TMR_IDX_1G 1
static int t4_tmr_idx_1g = TMR_IDX_1G;
TUNABLE_INT("hw.cxgbe.holdoff_timer_idx_1G", &t4_tmr_idx_1g);
#define PKTC_IDX_1G 2
static int t4_pktc_idx_1g = PKTC_IDX_1G;
TUNABLE_INT("hw.cxgbe.holdoff_pktc_idx_1G", &t4_pktc_idx_1g);
/*
* Size (# of entries) of each tx and rx queue.
*/
static unsigned int t4_qsize_txq = TX_EQ_QSIZE;
TUNABLE_INT("hw.cxgbe.qsize_txq", &t4_qsize_txq);
static unsigned int t4_qsize_rxq = RX_IQ_QSIZE;
TUNABLE_INT("hw.cxgbe.qsize_rxq", &t4_qsize_rxq);
/*
* Interrupt types allowed (bits 0, 1, 2 = INTx, MSI, MSI-X respectively).
*/
static int t4_intr_types = INTR_MSIX | INTR_MSI | INTR_INTX;
TUNABLE_INT("hw.cxgbe.interrupt_types", &t4_intr_types);
/*
* Configuration file.
*/
static char t4_cfg_file[32] = "default";
TUNABLE_STR("hw.cxgbe.config_file", t4_cfg_file, sizeof(t4_cfg_file));
/*
* 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_linkcaps_allowed = 0; /* No DCBX, PPP, etc. by default */
TUNABLE_INT("hw.cxgbe.linkcaps_allowed", &t4_linkcaps_allowed);
static int t4_niccaps_allowed = FW_CAPS_CONFIG_NIC;
TUNABLE_INT("hw.cxgbe.niccaps_allowed", &t4_niccaps_allowed);
static int t4_toecaps_allowed = FW_CAPS_CONFIG_TOE;
TUNABLE_INT("hw.cxgbe.toecaps_allowed", &t4_toecaps_allowed);
static int t4_rdmacaps_allowed = 0;
TUNABLE_INT("hw.cxgbe.rdmacaps_allowed", &t4_rdmacaps_allowed);
static int t4_iscsicaps_allowed = 0;
TUNABLE_INT("hw.cxgbe.iscsicaps_allowed", &t4_iscsicaps_allowed);
static int t4_fcoecaps_allowed = 0;
TUNABLE_INT("hw.cxgbe.fcoecaps_allowed", &t4_fcoecaps_allowed);
struct intrs_and_queues {
int intr_type; /* INTx, MSI, or MSI-X */
int nirq; /* Number of vectors */
int intr_flags;
int ntxq10g; /* # of NIC txq's for each 10G port */
int nrxq10g; /* # of NIC rxq's for each 10G port */
int ntxq1g; /* # of NIC txq's for each 1G port */
int nrxq1g; /* # of NIC rxq's for each 1G port */
#ifndef TCP_OFFLOAD_DISABLE
int nofldtxq10g; /* # of TOE txq's for each 10G port */
int nofldrxq10g; /* # of TOE rxq's for each 10G port */
int nofldtxq1g; /* # of TOE txq's for each 1G port */
int nofldrxq1g; /* # of TOE rxq's for each 1G port */
#endif
};
struct filter_entry {
uint32_t valid:1; /* filter allocated and valid */
uint32_t locked:1; /* filter is administratively locked */
uint32_t pending:1; /* filter action is pending firmware reply */
uint32_t smtidx:8; /* Source MAC Table index for smac */
struct l2t_entry *l2t; /* Layer Two Table entry for dmac */
struct t4_filter_specification fs;
};
enum {
XGMAC_MTU = (1 << 0),
XGMAC_PROMISC = (1 << 1),
XGMAC_ALLMULTI = (1 << 2),
XGMAC_VLANEX = (1 << 3),
XGMAC_UCADDR = (1 << 4),
XGMAC_MCADDRS = (1 << 5),
XGMAC_ALL = 0xffff
};
static int map_bars(struct adapter *);
static void setup_memwin(struct adapter *);
static int cfg_itype_and_nqueues(struct adapter *, int, int,
struct intrs_and_queues *);
static int prep_firmware(struct adapter *);
static int upload_config_file(struct adapter *, const struct firmware *,
uint32_t *, uint32_t *);
static int partition_resources(struct adapter *, const struct firmware *);
static int get_params__pre_init(struct adapter *);
static int get_params__post_init(struct adapter *);
static void t4_set_desc(struct adapter *);
static void build_medialist(struct port_info *);
static int update_mac_settings(struct port_info *, int);
static int cxgbe_init_locked(struct port_info *);
static int cxgbe_init_synchronized(struct port_info *);
static int cxgbe_uninit_locked(struct port_info *);
static int cxgbe_uninit_synchronized(struct port_info *);
static int adapter_full_init(struct adapter *);
static int adapter_full_uninit(struct adapter *);
static int port_full_init(struct port_info *);
static int port_full_uninit(struct port_info *);
static void quiesce_eq(struct adapter *, struct sge_eq *);
static void quiesce_iq(struct adapter *, struct sge_iq *);
static void quiesce_fl(struct adapter *, struct sge_fl *);
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 reg_block_dump(struct adapter *, uint8_t *, unsigned int,
unsigned int);
static void t4_get_regs(struct adapter *, struct t4_regdump *, uint8_t *);
static void cxgbe_tick(void *);
static int cpl_not_handled(struct sge_iq *, const struct rss_header *,
struct mbuf *);
static int t4_sysctls(struct adapter *);
static int cxgbe_sysctls(struct port_info *);
static int sysctl_int_array(SYSCTL_HANDLER_ARGS);
static int sysctl_bitfield(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_handle_t4_reg64(SYSCTL_HANDLER_ARGS);
#ifdef SBUF_DRAIN
static int sysctl_cctrl(SYSCTL_HANDLER_ARGS);
static int sysctl_cpl_stats(SYSCTL_HANDLER_ARGS);
static int sysctl_ddp_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_meminfo(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_tx_rate(SYSCTL_HANDLER_ARGS);
#endif
static inline void txq_start(struct ifnet *, struct sge_txq *);
static uint32_t fconf_to_mode(uint32_t);
static uint32_t mode_to_fconf(uint32_t);
static uint32_t fspec_to_fconf(struct t4_filter_specification *);
static int get_filter_mode(struct adapter *, uint32_t *);
static int set_filter_mode(struct adapter *, uint32_t);
static inline uint64_t get_filter_hits(struct adapter *, uint32_t);
static int get_filter(struct adapter *, struct t4_filter *);
static int set_filter(struct adapter *, struct t4_filter *);
static int del_filter(struct adapter *, struct t4_filter *);
static void clear_filter(struct filter_entry *);
static int set_filter_wr(struct adapter *, int);
static int del_filter_wr(struct adapter *, int);
static int filter_rpl(struct sge_iq *, const struct rss_header *,
struct mbuf *);
static int get_sge_context(struct adapter *, struct t4_sge_context *);
static int read_card_mem(struct adapter *, struct t4_mem_range *);
#ifndef TCP_OFFLOAD_DISABLE
static int toe_capability(struct port_info *, int);
static int activate_uld(struct adapter *, int, struct uld_softc *);
static int deactivate_uld(struct uld_softc *);
#endif
static int t4_mod_event(module_t, int, void *);
struct t4_pciids {
uint16_t device;
uint8_t mpf;
char *desc;
} t4_pciids[] = {
{0xa000, 0, "Chelsio Terminator 4 FPGA"},
{0x4400, 4, "Chelsio T440-dbg"},
{0x4401, 4, "Chelsio T420-CR"},
{0x4402, 4, "Chelsio T422-CR"},
{0x4403, 4, "Chelsio T440-CR"},
{0x4404, 4, "Chelsio T420-BCH"},
{0x4405, 4, "Chelsio T440-BCH"},
{0x4406, 4, "Chelsio T440-CH"},
{0x4407, 4, "Chelsio T420-SO"},
{0x4408, 4, "Chelsio T420-CX"},
{0x4409, 4, "Chelsio T420-BT"},
{0x440a, 4, "Chelsio T404-BT"},
};
#ifndef TCP_OFFLOAD_DISABLE
/* This is used in service_iq() to get to the fl associated with an iq. */
CTASSERT(offsetof(struct sge_ofld_rxq, fl) == offsetof(struct sge_rxq, fl));
#endif
static int
t4_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 < ARRAY_SIZE(t4_pciids); i++) {
if (d == t4_pciids[i].device &&
pci_get_function(dev) == t4_pciids[i].mpf) {
device_set_desc(dev, t4_pciids[i].desc);
return (BUS_PROBE_DEFAULT);
}
}
return (ENXIO);
}
static int
t4_attach(device_t dev)
{
struct adapter *sc;
int rc = 0, i, n10g, n1g, rqidx, tqidx;
struct intrs_and_queues iaq;
struct sge *s;
#ifndef TCP_OFFLOAD_DISABLE
int ofld_rqidx, ofld_tqidx;
#endif
sc = device_get_softc(dev);
sc->dev = dev;
sc->pf = pci_get_function(dev);
sc->mbox = sc->pf;
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 + PCIR_EXPRESS_DEVICE_CTL, 2);
v |= PCIM_EXP_CTL_RELAXED_ORD_ENABLE;
pci_write_config(dev, i + PCIR_EXPRESS_DEVICE_CTL, v, 2);
}
snprintf(sc->lockname, sizeof(sc->lockname), "%s",
device_get_nameunit(dev));
mtx_init(&sc->sc_lock, sc->lockname, 0, MTX_DEF);
mtx_lock(&t4_list_lock);
SLIST_INSERT_HEAD(&t4_list, sc, link);
mtx_unlock(&t4_list_lock);
mtx_init(&sc->sfl_lock, "starving freelists", 0, MTX_DEF);
TAILQ_INIT(&sc->sfl);
callout_init(&sc->sfl_callout, CALLOUT_MPSAFE);
rc = map_bars(sc);
if (rc != 0)
goto done; /* error message displayed already */
memset(sc->chan_map, 0xff, sizeof(sc->chan_map));
for (i = 0; i < ARRAY_SIZE(sc->cpl_handler); i++)
sc->cpl_handler[i] = cpl_not_handled;
t4_register_cpl_handler(sc, CPL_SET_TCB_RPL, filter_rpl);
/* Prepare the adapter for operation */
rc = -t4_prep_adapter(sc);
if (rc != 0) {
device_printf(dev, "failed to prepare adapter: %d.\n", rc);
goto done;
}
/*
* 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);
sc->cdev = make_dev(&t4_cdevsw, device_get_unit(dev), UID_ROOT,
GID_WHEEL, 0600, "%s", device_get_nameunit(dev));
sc->cdev->si_drv1 = sc;
/* 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;
}
/* Prepare the firmware for operation */
rc = prep_firmware(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = get_params__pre_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
rc = t4_sge_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
if (sc->flags & MASTER_PF) {
/* get basic stuff going */
rc = -t4_fw_initialize(sc, sc->mbox);
if (rc != 0) {
device_printf(dev, "early init failed: %d.\n", rc);
goto done;
}
}
rc = get_params__post_init(sc);
if (rc != 0)
goto done; /* error message displayed already */
if (sc->flags & MASTER_PF) {
/* final tweaks to some settings */
t4_load_mtus(sc, sc->params.mtus, sc->params.a_wnd,
sc->params.b_wnd);
t4_write_reg(sc, A_ULP_RX_TDDP_PSZ, V_HPZ0(PAGE_SHIFT - 12));
t4_set_reg_field(sc, A_TP_PARA_REG3, F_TUNNELCNGDROP0 |
F_TUNNELCNGDROP1 | F_TUNNELCNGDROP2 | F_TUNNELCNGDROP3, 0);
t4_set_reg_field(sc, A_TP_PARA_REG5,
V_INDICATESIZE(M_INDICATESIZE) |
F_REARMDDPOFFSET | F_RESETDDPOFFSET,
V_INDICATESIZE(M_INDICATESIZE) |
F_REARMDDPOFFSET | F_RESETDDPOFFSET);
} else {
/*
* XXX: Verify that we can live with whatever the master driver
* has done so far, and hope that it doesn't change any global
* setting from underneath us in the future.
*/
}
t4_read_indirect(sc, A_TP_PIO_ADDR, A_TP_PIO_DATA, &sc->filter_mode, 1,
A_TP_VLAN_PRI_MAP);
for (i = 0; i < NCHAN; i++)
sc->params.tp.tx_modq[i] = i;
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. We also figure
* out whether a port is 10G or 1G and use that information when
* calculating how many interrupts to attempt to allocate.
*/
n10g = n1g = 0;
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;
/* Allocate the vi and initialize parameters like mac addr */
rc = -t4_port_init(pi, sc->mbox, sc->pf, 0);
if (rc != 0) {
device_printf(dev, "unable to initialize port %d: %d\n",
i, rc);
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);
if (is_10G_port(pi)) {
n10g++;
pi->tmr_idx = t4_tmr_idx_10g;
pi->pktc_idx = t4_pktc_idx_10g;
} else {
n1g++;
pi->tmr_idx = t4_tmr_idx_1g;
pi->pktc_idx = t4_pktc_idx_1g;
}
pi->xact_addr_filt = -1;
pi->qsize_rxq = t4_qsize_rxq;
pi->qsize_txq = t4_qsize_txq;
pi->dev = device_add_child(dev, "cxgbe", -1);
if (pi->dev == NULL) {
device_printf(dev,
"failed to add device for port %d.\n", i);
rc = ENXIO;
goto done;
}
device_set_softc(pi->dev, pi);
}
/*
* Interrupt type, # of interrupts, # of rx/tx queues, etc.
*/
rc = cfg_itype_and_nqueues(sc, n10g, n1g, &iaq);
if (rc != 0)
goto done; /* error message displayed already */
sc->intr_type = iaq.intr_type;
sc->intr_count = iaq.nirq;
sc->flags |= iaq.intr_flags;
s = &sc->sge;
s->nrxq = n10g * iaq.nrxq10g + n1g * iaq.nrxq1g;
s->ntxq = n10g * iaq.ntxq10g + n1g * iaq.ntxq1g;
s->neq = s->ntxq + s->nrxq; /* the free list in an rxq is an eq */
s->neq += sc->params.nports + 1;/* ctrl queues: 1 per port + 1 mgmt */
s->niq = s->nrxq + 1; /* 1 extra for firmware event queue */
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(sc)) {
s->nofldrxq = n10g * iaq.nofldrxq10g + n1g * iaq.nofldrxq1g;
s->nofldtxq = n10g * iaq.nofldtxq10g + n1g * iaq.nofldtxq1g;
s->neq += s->nofldtxq + s->nofldrxq;
s->niq += s->nofldrxq;
s->ofld_rxq = malloc(s->nofldrxq * sizeof(struct sge_ofld_rxq),
M_CXGBE, M_ZERO | M_WAITOK);
s->ofld_txq = malloc(s->nofldtxq * sizeof(struct sge_wrq),
M_CXGBE, M_ZERO | M_WAITOK);
}
#endif
s->ctrlq = malloc(sc->params.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->niq * sizeof(struct sge_iq *), M_CXGBE,
M_ZERO | M_WAITOK);
s->eqmap = malloc(s->neq * 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);
/*
* Second pass over the ports. This time we know the number of rx and
* tx queues that each port should get.
*/
rqidx = tqidx = 0;
#ifndef TCP_OFFLOAD_DISABLE
ofld_rqidx = ofld_tqidx = 0;
#endif
for_each_port(sc, i) {
struct port_info *pi = sc->port[i];
if (pi == NULL)
continue;
pi->first_rxq = rqidx;
pi->first_txq = tqidx;
if (is_10G_port(pi)) {
pi->nrxq = iaq.nrxq10g;
pi->ntxq = iaq.ntxq10g;
} else {
pi->nrxq = iaq.nrxq1g;
pi->ntxq = iaq.ntxq1g;
}
rqidx += pi->nrxq;
tqidx += pi->ntxq;
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(sc)) {
pi->first_ofld_rxq = ofld_rqidx;
pi->first_ofld_txq = ofld_tqidx;
if (is_10G_port(pi)) {
pi->nofldrxq = iaq.nofldrxq10g;
pi->nofldtxq = iaq.nofldtxq10g;
} else {
pi->nofldrxq = iaq.nofldrxq1g;
pi->nofldtxq = iaq.nofldtxq1g;
}
ofld_rqidx += pi->nofldrxq;
ofld_tqidx += pi->nofldtxq;
}
#endif
}
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 x%d, %d ports, %d %s interrupt%s, %d eq, %d iq\n",
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);
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(dev);
else
t4_sysctls(sc);
return (rc);
}
/*
* Idempotent
*/
static int
t4_detach(device_t dev)
{
struct adapter *sc;
struct port_info *pi;
int i, rc;
sc = device_get_softc(dev);
if (sc->flags & FULL_INIT_DONE)
t4_intr_disable(sc);
if (sc->cdev) {
destroy_dev(sc->cdev);
sc->cdev = NULL;
}
rc = bus_generic_detach(dev);
if (rc) {
device_printf(dev,
"failed to detach child devices: %d\n", rc);
return (rc);
}
for (i = 0; i < MAX_NPORTS; i++) {
pi = sc->port[i];
if (pi) {
t4_free_vi(pi->adapter, sc->mbox, sc->pf, 0, pi->viid);
if (pi->dev)
device_delete_child(dev, pi->dev);
mtx_destroy(&pi->pi_lock);
free(pi, M_CXGBE);
}
}
if (sc->flags & FULL_INIT_DONE)
adapter_full_uninit(sc);
if (sc->flags & 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->msix_res)
bus_release_resource(dev, SYS_RES_MEMORY, sc->msix_rid,
sc->msix_res);
if (sc->l2t)
t4_free_l2t(sc->l2t);
#ifndef TCP_OFFLOAD_DISABLE
free(sc->sge.ofld_rxq, M_CXGBE);
free(sc->sge.ofld_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);
t4_destroy_dma_tag(sc);
if (mtx_initialized(&sc->sc_lock)) {
mtx_lock(&t4_list_lock);
SLIST_REMOVE(&t4_list, sc, adapter, link);
mtx_unlock(&t4_list_lock);
mtx_destroy(&sc->sc_lock);
}
if (mtx_initialized(&sc->sfl_lock))
mtx_destroy(&sc->sfl_lock);
bzero(sc, sizeof(*sc));
return (0);
}
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)
#define T4_CAP_ENABLE (T4_CAP & ~IFCAP_TSO6)
static int
cxgbe_attach(device_t dev)
{
struct port_info *pi = device_get_softc(dev);
struct ifnet *ifp;
/* Allocate an ifnet and set it up */
ifp = if_alloc(IFT_ETHER);
if (ifp == NULL) {
device_printf(dev, "Cannot allocate ifnet\n");
return (ENOMEM);
}
pi->ifp = ifp;
ifp->if_softc = pi;
callout_init(&pi->tick, CALLOUT_MPSAFE);
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;
ifp->if_capabilities = T4_CAP;
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(pi->adapter))
ifp->if_capabilities |= IFCAP_TOE4;
#endif
ifp->if_capenable = T4_CAP_ENABLE;
ifp->if_hwassist = CSUM_TCP | CSUM_UDP | CSUM_IP | CSUM_TSO;
/* Initialize ifmedia for this port */
ifmedia_init(&pi->media, IFM_IMASK, cxgbe_media_change,
cxgbe_media_status);
build_medialist(pi);
ether_ifattach(ifp, pi->hw_addr);
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(pi->adapter)) {
device_printf(dev,
"%d txq, %d rxq (NIC); %d txq, %d rxq (TOE)\n",
pi->ntxq, pi->nrxq, pi->nofldtxq, pi->nofldrxq);
} else
#endif
device_printf(dev, "%d txq, %d rxq\n", pi->ntxq, pi->nrxq);
cxgbe_sysctls(pi);
return (0);
}
static int
cxgbe_detach(device_t dev)
{
struct port_info *pi = device_get_softc(dev);
struct adapter *sc = pi->adapter;
struct ifnet *ifp = pi->ifp;
/* Tell if_ioctl and if_init that the port is going away */
ADAPTER_LOCK(sc);
SET_DOOMED(pi);
wakeup(&sc->flags);
while (IS_BUSY(sc))
mtx_sleep(&sc->flags, &sc->sc_lock, 0, "t4detach", 0);
SET_BUSY(sc);
ADAPTER_UNLOCK(sc);
PORT_LOCK(pi);
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
callout_stop(&pi->tick);
PORT_UNLOCK(pi);
callout_drain(&pi->tick);
/* Let detach proceed even if these fail. */
cxgbe_uninit_synchronized(pi);
port_full_uninit(pi);
ifmedia_removeall(&pi->media);
ether_ifdetach(pi->ifp);
if_free(pi->ifp);
ADAPTER_LOCK(sc);
CLR_BUSY(sc);
wakeup_one(&sc->flags);
ADAPTER_UNLOCK(sc);
return (0);
}
static void
cxgbe_init(void *arg)
{
struct port_info *pi = arg;
struct adapter *sc = pi->adapter;
ADAPTER_LOCK(sc);
cxgbe_init_locked(pi); /* releases adapter lock */
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
}
static int
cxgbe_ioctl(struct ifnet *ifp, unsigned long cmd, caddr_t data)
{
int rc = 0, mtu, flags;
struct port_info *pi = ifp->if_softc;
struct adapter *sc = pi->adapter;
struct ifreq *ifr = (struct ifreq *)data;
uint32_t mask;
switch (cmd) {
case SIOCSIFMTU:
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc) {
fail:
ADAPTER_UNLOCK(sc);
return (rc);
}
mtu = ifr->ifr_mtu;
if ((mtu < ETHERMIN) || (mtu > ETHERMTU_JUMBO)) {
rc = EINVAL;
} else {
ifp->if_mtu = mtu;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
t4_update_fl_bufsize(ifp);
PORT_LOCK(pi);
rc = update_mac_settings(pi, XGMAC_MTU);
PORT_UNLOCK(pi);
}
}
ADAPTER_UNLOCK(sc);
break;
case SIOCSIFFLAGS:
ADAPTER_LOCK(sc);
if (IS_DOOMED(pi)) {
rc = ENXIO;
goto fail;
}
if (ifp->if_flags & IFF_UP) {
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
flags = pi->if_flags;
if ((ifp->if_flags ^ flags) &
(IFF_PROMISC | IFF_ALLMULTI)) {
if (IS_BUSY(sc)) {
rc = EBUSY;
goto fail;
}
PORT_LOCK(pi);
rc = update_mac_settings(pi,
XGMAC_PROMISC | XGMAC_ALLMULTI);
PORT_UNLOCK(pi);
}
ADAPTER_UNLOCK(sc);
} else
rc = cxgbe_init_locked(pi);
pi->if_flags = ifp->if_flags;
} else if (ifp->if_drv_flags & IFF_DRV_RUNNING)
rc = cxgbe_uninit_locked(pi);
else
ADAPTER_UNLOCK(sc);
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
break;
case SIOCADDMULTI:
case SIOCDELMULTI: /* these two can be called with a mutex held :-( */
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc)
goto fail;
if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
PORT_LOCK(pi);
rc = update_mac_settings(pi, XGMAC_MCADDRS);
PORT_UNLOCK(pi);
}
ADAPTER_UNLOCK(sc);
break;
case SIOCSIFCAP:
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc)
goto fail;
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_TSO & ifp->if_capenable &&
!(IFCAP_TXCSUM & ifp->if_capenable)) {
ifp->if_capenable &= ~IFCAP_TSO;
ifp->if_hwassist &= ~CSUM_TSO;
if_printf(ifp,
"tso disabled due to -txcsum.\n");
}
}
if (mask & IFCAP_RXCSUM)
ifp->if_capenable ^= IFCAP_RXCSUM;
if (mask & IFCAP_TSO4) {
ifp->if_capenable ^= IFCAP_TSO4;
if (IFCAP_TSO & ifp->if_capenable) {
if (IFCAP_TXCSUM & ifp->if_capenable)
ifp->if_hwassist |= CSUM_TSO;
else {
ifp->if_capenable &= ~IFCAP_TSO;
ifp->if_hwassist &= ~CSUM_TSO;
if_printf(ifp,
"enable txcsum first.\n");
rc = EAGAIN;
goto fail;
}
} else
ifp->if_hwassist &= ~CSUM_TSO;
}
if (mask & IFCAP_LRO) {
#ifdef INET
int i;
struct sge_rxq *rxq;
ifp->if_capenable ^= IFCAP_LRO;
for_each_rxq(pi, i, rxq) {
if (ifp->if_capenable & IFCAP_LRO)
rxq->iq.flags |= IQ_LRO_ENABLED;
else
rxq->iq.flags &= ~IQ_LRO_ENABLED;
}
#endif
}
#ifndef TCP_OFFLOAD_DISABLE
if (mask & IFCAP_TOE) {
int enable = (ifp->if_capenable ^ mask) & IFCAP_TOE;
rc = toe_capability(pi, 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) {
PORT_LOCK(pi);
rc = update_mac_settings(pi, XGMAC_VLANEX);
PORT_UNLOCK(pi);
}
}
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 VLAN_CAPABILITIES
VLAN_CAPABILITIES(ifp);
#endif
ADAPTER_UNLOCK(sc);
break;
case SIOCSIFMEDIA:
case SIOCGIFMEDIA:
ifmedia_ioctl(ifp, ifr, &pi->media, cmd);
break;
default:
rc = ether_ioctl(ifp, cmd, data);
}
return (rc);
}
static int
cxgbe_transmit(struct ifnet *ifp, struct mbuf *m)
{
struct port_info *pi = ifp->if_softc;
struct adapter *sc = pi->adapter;
struct sge_txq *txq = &sc->sge.txq[pi->first_txq];
struct buf_ring *br;
int rc;
M_ASSERTPKTHDR(m);
if (__predict_false(pi->link_cfg.link_ok == 0)) {
m_freem(m);
return (ENETDOWN);
}
if (m->m_flags & M_FLOWID)
txq += (m->m_pkthdr.flowid % pi->ntxq);
br = txq->br;
if (TXQ_TRYLOCK(txq) == 0) {
struct sge_eq *eq = &txq->eq;
/*
* It is possible that t4_eth_tx finishes up and releases the
* lock between the TRYLOCK above and the drbr_enqueue here. We
* need to make sure that this mbuf doesn't just sit there in
* the drbr.
*/
rc = drbr_enqueue(ifp, br, m);
if (rc == 0 && callout_pending(&eq->tx_callout) == 0 &&
!(eq->flags & EQ_DOOMED))
callout_reset(&eq->tx_callout, 1, t4_tx_callout, eq);
return (rc);
}
/*
* txq->m is the mbuf that is held up due to a temporary shortage of
* resources and it should be put on the wire first. Then what's in
* drbr and finally the mbuf that was just passed in to us.
*
* Return code should indicate the fate of the mbuf that was passed in
* this time.
*/
TXQ_LOCK_ASSERT_OWNED(txq);
if (drbr_needs_enqueue(ifp, br) || txq->m) {
/* Queued for transmission. */
rc = drbr_enqueue(ifp, br, m);
m = txq->m ? txq->m : drbr_dequeue(ifp, br);
(void) t4_eth_tx(ifp, txq, m);
TXQ_UNLOCK(txq);
return (rc);
}
/* Direct transmission. */
rc = t4_eth_tx(ifp, txq, m);
if (rc != 0 && txq->m)
rc = 0; /* held, will be transmitted soon (hopefully) */
TXQ_UNLOCK(txq);
return (rc);
}
static void
cxgbe_qflush(struct ifnet *ifp)
{
struct port_info *pi = ifp->if_softc;
struct sge_txq *txq;
int i;
struct mbuf *m;
/* queues do not exist if !PORT_INIT_DONE. */
if (pi->flags & PORT_INIT_DONE) {
for_each_txq(pi, i, txq) {
TXQ_LOCK(txq);
m_freem(txq->m);
txq->m = NULL;
while ((m = buf_ring_dequeue_sc(txq->br)) != NULL)
m_freem(m);
TXQ_UNLOCK(txq);
}
}
if_qflush(ifp);
}
static int
cxgbe_media_change(struct ifnet *ifp)
{
struct port_info *pi = ifp->if_softc;
device_printf(pi->dev, "%s unimplemented.\n", __func__);
return (EOPNOTSUPP);
}
static void
cxgbe_media_status(struct ifnet *ifp, struct ifmediareq *ifmr)
{
struct port_info *pi = ifp->if_softc;
struct ifmedia_entry *cur = pi->media.ifm_cur;
int speed = pi->link_cfg.speed;
int data = (pi->port_type << 8) | pi->mod_type;
if (cur->ifm_data != data) {
build_medialist(pi);
cur = pi->media.ifm_cur;
}
ifmr->ifm_status = IFM_AVALID;
if (!pi->link_cfg.link_ok)
return;
ifmr->ifm_status |= IFM_ACTIVE;
/* active and current will differ iff current media is autoselect. */
if (IFM_SUBTYPE(cur->ifm_media) != IFM_AUTO)
return;
ifmr->ifm_active = IFM_ETHER | IFM_FDX;
if (speed == SPEED_10000)
ifmr->ifm_active |= IFM_10G_T;
else if (speed == SPEED_1000)
ifmr->ifm_active |= IFM_1000_T;
else if (speed == SPEED_100)
ifmr->ifm_active |= IFM_100_TX;
else if (speed == SPEED_10)
ifmr->ifm_active |= IFM_10_T;
else
KASSERT(0, ("%s: link up but speed unknown (%u)", __func__,
speed));
}
void
t4_fatal_err(struct adapter *sc)
{
t4_set_reg_field(sc, A_SGE_CONTROL, F_GLOBALENABLE, 0);
t4_intr_disable(sc);
log(LOG_EMERG, "%s: encountered fatal error, adapter stopped.\n",
device_get_nameunit(sc->dev));
}
static int
map_bars(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);
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);
}
static void
setup_memwin(struct adapter *sc)
{
u_long bar0;
bar0 = rman_get_start(sc->regs_res);
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 0),
(bar0 + MEMWIN0_BASE) | V_BIR(0) |
V_WINDOW(ilog2(MEMWIN0_APERTURE) - 10));
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 1),
(bar0 + MEMWIN1_BASE) | V_BIR(0) |
V_WINDOW(ilog2(MEMWIN1_APERTURE) - 10));
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN, 2),
(bar0 + MEMWIN2_BASE) | V_BIR(0) |
V_WINDOW(ilog2(MEMWIN2_APERTURE) - 10));
}
static int
cfg_itype_and_nqueues(struct adapter *sc, int n10g, int n1g,
struct intrs_and_queues *iaq)
{
int rc, itype, navail, nrxq10g, nrxq1g, n;
int nofldrxq10g = 0, nofldrxq1g = 0;
bzero(iaq, sizeof(*iaq));
iaq->ntxq10g = t4_ntxq10g;
iaq->ntxq1g = t4_ntxq1g;
iaq->nrxq10g = nrxq10g = t4_nrxq10g;
iaq->nrxq1g = nrxq1g = t4_nrxq1g;
#ifndef TCP_OFFLOAD_DISABLE
iaq->nofldtxq10g = t4_nofldtxq10g;
iaq->nofldtxq1g = t4_nofldtxq1g;
iaq->nofldrxq10g = nofldrxq10g = t4_nofldrxq10g;
iaq->nofldrxq1g = nofldrxq1g = t4_nofldrxq1g;
#endif
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;
iaq->intr_type = itype;
iaq->intr_flags = 0;
/*
* Best option: an interrupt vector for errors, one for the
* firmware event queue, and one each for each rxq (NIC as well
* as offload).
*/
iaq->nirq = T4_EXTRA_INTR;
iaq->nirq += n10g * (nrxq10g + nofldrxq10g);
iaq->nirq += n1g * (nrxq1g + nofldrxq1g);
if (iaq->nirq <= navail &&
(itype != INTR_MSI || powerof2(iaq->nirq))) {
iaq->intr_flags |= INTR_DIRECT;
goto allocate;
}
/*
* Second best option: an interrupt vector for errors, one for
* the firmware event queue, and one each for either NIC or
* offload rxq's.
*/
iaq->nirq = T4_EXTRA_INTR;
iaq->nirq += n10g * max(nrxq10g, nofldrxq10g);
iaq->nirq += n1g * max(nrxq1g, nofldrxq1g);
if (iaq->nirq <= navail &&
(itype != INTR_MSI || powerof2(iaq->nirq)))
goto allocate;
/*
* Next best option: an interrupt vector for errors, one for the
* firmware event queue, and at least one per port. At this
* point we know we'll have to downsize nrxq or nofldrxq to fit
* what's available to us.
*/
iaq->nirq = T4_EXTRA_INTR;
iaq->nirq += n10g + n1g;
if (iaq->nirq <= navail) {
int leftover = navail - iaq->nirq;
if (n10g > 0) {
int target = max(nrxq10g, nofldrxq10g);
n = 1;
while (n < target && leftover >= n10g) {
leftover -= n10g;
iaq->nirq += n10g;
n++;
}
iaq->nrxq10g = min(n, nrxq10g);
#ifndef TCP_OFFLOAD_DISABLE
iaq->nofldrxq10g = min(n, nofldrxq10g);
#endif
}
if (n1g > 0) {
int target = max(nrxq1g, nofldrxq1g);
n = 1;
while (n < target && leftover >= n1g) {
leftover -= n1g;
iaq->nirq += n1g;
n++;
}
iaq->nrxq1g = min(n, nrxq1g);
#ifndef TCP_OFFLOAD_DISABLE
iaq->nofldrxq1g = min(n, nofldrxq1g);
#endif
}
if (itype != INTR_MSI || powerof2(iaq->nirq))
goto allocate;
}
/*
* Least desirable option: one interrupt vector for everything.
*/
iaq->nirq = iaq->nrxq10g = iaq->nrxq1g = 1;
#ifndef TCP_OFFLOAD_DISABLE
iaq->nofldrxq10g = iaq->nofldrxq1g = 1;
#endif
allocate:
navail = iaq->nirq;
rc = 0;
if (itype == INTR_MSIX)
rc = pci_alloc_msix(sc->dev, &navail);
else if (itype == INTR_MSI)
rc = pci_alloc_msi(sc->dev, &navail);
if (rc == 0) {
if (navail == iaq->nirq)
return (0);
/*
* Didn't get the number requested. Use whatever number
* the kernel is willing to allocate (it's in navail).
*/
device_printf(sc->dev, "fewer vectors than requested, "
"type=%d, req=%d, rcvd=%d; will downshift req.\n",
itype, iaq->nirq, navail);
pci_release_msi(sc->dev);
goto restart;
}
device_printf(sc->dev,
"failed to allocate vectors:%d, type=%d, req=%d, rcvd=%d\n",
itype, rc, iaq->nirq, navail);
}
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);
}
/*
* Install a compatible firmware (if required), establish contact with it (by
* saying hello), and reset the device. If we end up as the master driver,
* partition adapter resources by providing a configuration file to the
* firmware.
*/
static int
prep_firmware(struct adapter *sc)
{
const struct firmware *fw = NULL, *cfg = NULL, *default_cfg;
int rc;
enum dev_state state;
default_cfg = firmware_get(T4_CFGNAME);
/* Check firmware version and install a different one if necessary */
rc = t4_check_fw_version(sc);
if (rc != 0) {
uint32_t v = 0;
fw = firmware_get(T4_FWNAME);
if (fw != NULL) {
const struct fw_hdr *hdr = (const void *)fw->data;
v = ntohl(hdr->fw_ver);
/*
* The firmware module will not be used if it isn't the
* same major version as what the driver was compiled
* with.
*/
if (G_FW_HDR_FW_VER_MAJOR(v) != FW_VERSION_MAJOR) {
device_printf(sc->dev,
"Found firmware image but version %d "
"can not be used with this driver (%d)\n",
G_FW_HDR_FW_VER_MAJOR(v), FW_VERSION_MAJOR);
firmware_put(fw, FIRMWARE_UNLOAD);
fw = NULL;
}
}
if (fw == NULL && rc < 0) {
device_printf(sc->dev, "No usable firmware. "
"card has %d.%d.%d, driver compiled with %d.%d.%d",
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),
FW_VERSION_MAJOR, FW_VERSION_MINOR,
FW_VERSION_MICRO);
rc = EAGAIN;
goto done;
}
/*
* Always upgrade, even for minor/micro/build mismatches.
* Downgrade only for a major version mismatch or if
* force_firmware_install was specified.
*/
if (fw != NULL && (rc < 0 || v > sc->params.fw_vers)) {
device_printf(sc->dev,
"installing firmware %d.%d.%d.%d on card.\n",
G_FW_HDR_FW_VER_MAJOR(v), G_FW_HDR_FW_VER_MINOR(v),
G_FW_HDR_FW_VER_MICRO(v), G_FW_HDR_FW_VER_BUILD(v));
rc = -t4_load_fw(sc, fw->data, fw->datasize);
if (rc != 0) {
device_printf(sc->dev,
"failed to install firmware: %d\n", rc);
goto done;
} else {
/* refresh */
(void) t4_check_fw_version(sc);
}
}
}
/* Contact firmware. */
rc = t4_fw_hello(sc, sc->mbox, sc->mbox, MASTER_MAY, &state);
if (rc < 0) {
rc = -rc;
device_printf(sc->dev,
"failed to connect to the firmware: %d.\n", rc);
goto done;
}
if (rc == sc->mbox)
sc->flags |= MASTER_PF;
/* Reset device */
rc = -t4_fw_reset(sc, sc->mbox, F_PIORSTMODE | F_PIORST);
if (rc != 0) {
device_printf(sc->dev, "firmware reset failed: %d.\n", rc);
if (rc != ETIMEDOUT && rc != EIO)
t4_fw_bye(sc, sc->mbox);
goto done;
}
/* Partition adapter resources as specified in the config file. */
if (sc->flags & MASTER_PF) {
if (strncmp(t4_cfg_file, "default", sizeof(t4_cfg_file))) {
char s[32];
snprintf(s, sizeof(s), "t4fw_cfg_%s", t4_cfg_file);
cfg = firmware_get(s);
if (cfg == NULL) {
device_printf(sc->dev,
"unable to locate %s module, "
"will use default config file.\n", s);
}
}
rc = partition_resources(sc, cfg ? cfg : default_cfg);
if (rc != 0)
goto done; /* error message displayed already */
}
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));
sc->flags |= FW_OK;
done:
if (fw != NULL)
firmware_put(fw, FIRMWARE_UNLOAD);
if (cfg != NULL)
firmware_put(cfg, FIRMWARE_UNLOAD);
if (default_cfg != NULL)
firmware_put(default_cfg, FIRMWARE_UNLOAD);
return (rc);
}
#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))
/*
* Upload configuration file to card's memory.
*/
static int
upload_config_file(struct adapter *sc, const struct firmware *fw, uint32_t *mt,
uint32_t *ma)
{
int rc, i;
uint32_t param, val, mtype, maddr, bar, off, win, remaining;
const uint32_t *b;
/* Figure out where the firmware wants us to upload it. */
param = FW_PARAM_DEV(CF);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, &param, &val);
if (rc != 0) {
/* Firmwares without config file support will fail this way */
device_printf(sc->dev,
"failed to query config file location: %d.\n", rc);
return (rc);
}
*mt = mtype = G_FW_PARAMS_PARAM_Y(val);
*ma = maddr = G_FW_PARAMS_PARAM_Z(val) << 16;
if (maddr & 3) {
device_printf(sc->dev,
"cannot upload config file (type %u, addr %x).\n",
mtype, maddr);
return (EFAULT);
}
/* Translate mtype/maddr to an address suitable for the PCIe window */
val = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
val &= F_EDRAM0_ENABLE | F_EDRAM1_ENABLE | F_EXT_MEM_ENABLE;
switch (mtype) {
case FW_MEMTYPE_CF_EDC0:
if (!(val & F_EDRAM0_ENABLE))
goto err;
bar = t4_read_reg(sc, A_MA_EDRAM0_BAR);
maddr += G_EDRAM0_BASE(bar) << 20;
break;
case FW_MEMTYPE_CF_EDC1:
if (!(val & F_EDRAM1_ENABLE))
goto err;
bar = t4_read_reg(sc, A_MA_EDRAM1_BAR);
maddr += G_EDRAM1_BASE(bar) << 20;
break;
case FW_MEMTYPE_CF_EXTMEM:
if (!(val & F_EXT_MEM_ENABLE))
goto err;
bar = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
maddr += G_EXT_MEM_BASE(bar) << 20;
break;
default:
err:
device_printf(sc->dev,
"cannot upload config file (type %u, enabled %u).\n",
mtype, val);
return (EFAULT);
}
/*
* Position the PCIe window (we use memwin2) to the 16B aligned area
* just at/before the upload location.
*/
win = maddr & ~0xf;
off = maddr - win; /* offset from the start of the window. */
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2), win);
t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2));
remaining = fw->datasize;
if (remaining > FLASH_CFG_MAX_SIZE ||
remaining > MEMWIN2_APERTURE - off) {
device_printf(sc->dev, "cannot upload config file all at once "
"(size %u, max %u, room %u).\n",
remaining, FLASH_CFG_MAX_SIZE, MEMWIN2_APERTURE - off);
return (EFBIG);
}
/*
* XXX: sheer laziness. We deliberately added 4 bytes of useless
* stuffing/comments at the end of the config file so it's ok to simply
* throw away the last remaining bytes when the config file is not an
* exact multiple of 4.
*/
b = fw->data;
for (i = 0; remaining >= 4; i += 4, remaining -= 4)
t4_write_reg(sc, MEMWIN2_BASE + off + i, *b++);
return (rc);
}
/*
* Partition chip resources for use between various PFs, VFs, etc. This is done
* by uploading the firmware configuration file to the adapter and instructing
* the firmware to process it.
*/
static int
partition_resources(struct adapter *sc, const struct firmware *cfg)
{
int rc;
struct fw_caps_config_cmd caps;
uint32_t mtype, maddr, finicsum, cfcsum;
rc = cfg ? upload_config_file(sc, cfg, &mtype, &maddr) : ENOENT;
if (rc != 0) {
mtype = FW_MEMTYPE_CF_FLASH;
maddr = t4_flash_cfg_addr(sc);
}
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(F_FW_CAPS_CONFIG_CMD_CFVALID |
V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(maddr >> 16) | FW_LEN16(caps));
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.\n", rc);
return (rc);
}
finicsum = be32toh(caps.finicsum);
cfcsum = be32toh(caps.cfcsum);
if (finicsum != cfcsum) {
device_printf(sc->dev,
"WARNING: config file checksum mismatch: %08x %08x\n",
finicsum, cfcsum);
}
sc->cfcsum = cfcsum;
#define LIMIT_CAPS(x) do { \
caps.x &= htobe16(t4_##x##_allowed); \
sc->x = htobe16(caps.x); \
} while (0)
/*
* Let the firmware know what features will (not) be used so it can tune
* things accordingly.
*/
LIMIT_CAPS(linkcaps);
LIMIT_CAPS(niccaps);
LIMIT_CAPS(toecaps);
LIMIT_CAPS(rdmacaps);
LIMIT_CAPS(iscsicaps);
LIMIT_CAPS(fcoecaps);
#undef LIMIT_CAPS
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);
return (rc);
}
return (0);
}
/*
* Retrieve parameters that are needed (or nice to have) prior to calling
* t4_sge_init and t4_fw_initialize.
*/
static int
get_params__pre_init(struct adapter *sc)
{
int rc;
uint32_t param[2], val[2];
struct fw_devlog_cmd cmd;
struct devlog_params *dlog = &sc->params.devlog;
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 = 0;
while (val[0]) {
sc->params.nports++;
val[0] &= val[0] - 1;
}
sc->params.vpd.cclk = val[1];
/* Read device log parameters. */
bzero(&cmd, sizeof(cmd));
cmd.op_to_write = htobe32(V_FW_CMD_OP(FW_DEVLOG_CMD) |
F_FW_CMD_REQUEST | F_FW_CMD_READ);
cmd.retval_len16 = htobe32(FW_LEN16(cmd));
rc = -t4_wr_mbox(sc, sc->mbox, &cmd, sizeof(cmd), &cmd);
if (rc != 0) {
device_printf(sc->dev,
"failed to get devlog parameters: %d.\n", rc);
bzero(dlog, sizeof (*dlog));
rc = 0; /* devlog isn't critical for device operation */
} else {
val[0] = be32toh(cmd.memtype_devlog_memaddr16_devlog);
dlog->memtype = G_FW_DEVLOG_CMD_MEMTYPE_DEVLOG(val[0]);
dlog->start = G_FW_DEVLOG_CMD_MEMADDR16_DEVLOG(val[0]) << 4;
dlog->size = be32toh(cmd.memsize_devlog);
}
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);
rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 4, 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];
sc->tids.ftid_base = val[2];
sc->tids.nftids = val[3] - val[2] + 1;
/* 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);
}
if (caps.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];
sc->tids.natids = min(sc->tids.ntids / 2, MAX_ATIDS);
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;
}
if (caps.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, 0, 0, 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;
}
if (caps.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;
}
/* These are finalized by FW initialization, load their values now */
val[0] = t4_read_reg(sc, A_TP_TIMER_RESOLUTION);
sc->params.tp.tre = G_TIMERRESOLUTION(val[0]);
sc->params.tp.dack_re = G_DELAYEDACKRESOLUTION(val[0]);
t4_read_mtu_tbl(sc, sc->params.mtus, NULL);
return (rc);
}
#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 %sNIC (rev %d), S/N:%s, E/C:%s",
p->vpd.id, is_offload(sc) ? "R" : "", p->rev, p->vpd.sn, p->vpd.ec);
device_set_desc_copy(sc->dev, buf);
}
static void
build_medialist(struct port_info *pi)
{
struct ifmedia *media = &pi->media;
int data, m;
PORT_LOCK(pi);
ifmedia_removeall(media);
m = IFM_ETHER | IFM_FDX;
data = (pi->port_type << 8) | pi->mod_type;
switch(pi->port_type) {
case FW_PORT_TYPE_BT_XFI:
ifmedia_add(media, m | IFM_10G_T, data, NULL);
break;
case FW_PORT_TYPE_BT_XAUI:
ifmedia_add(media, m | IFM_10G_T, data, NULL);
/* fall through */
case FW_PORT_TYPE_BT_SGMII:
ifmedia_add(media, m | IFM_1000_T, data, NULL);
ifmedia_add(media, m | IFM_100_TX, data, NULL);
ifmedia_add(media, IFM_ETHER | IFM_AUTO, data, NULL);
ifmedia_set(media, IFM_ETHER | IFM_AUTO);
break;
case FW_PORT_TYPE_CX4:
ifmedia_add(media, m | IFM_10G_CX4, data, NULL);
ifmedia_set(media, m | IFM_10G_CX4);
break;
case FW_PORT_TYPE_SFP:
case FW_PORT_TYPE_FIBER_XFI:
case FW_PORT_TYPE_FIBER_XAUI:
switch (pi->mod_type) {
case FW_PORT_MOD_TYPE_LR:
ifmedia_add(media, m | IFM_10G_LR, data, NULL);
ifmedia_set(media, m | IFM_10G_LR);
break;
case FW_PORT_MOD_TYPE_SR:
ifmedia_add(media, m | IFM_10G_SR, data, NULL);
ifmedia_set(media, m | IFM_10G_SR);
break;
case FW_PORT_MOD_TYPE_LRM:
ifmedia_add(media, m | IFM_10G_LRM, data, NULL);
ifmedia_set(media, m | IFM_10G_LRM);
break;
case FW_PORT_MOD_TYPE_TWINAX_PASSIVE:
case FW_PORT_MOD_TYPE_TWINAX_ACTIVE:
ifmedia_add(media, m | IFM_10G_TWINAX, data, NULL);
ifmedia_set(media, m | IFM_10G_TWINAX);
break;
case FW_PORT_MOD_TYPE_NONE:
m &= ~IFM_FDX;
ifmedia_add(media, m | IFM_NONE, data, NULL);
ifmedia_set(media, m | IFM_NONE);
break;
case FW_PORT_MOD_TYPE_NA:
case FW_PORT_MOD_TYPE_ER:
default:
ifmedia_add(media, m | IFM_UNKNOWN, data, NULL);
ifmedia_set(media, m | IFM_UNKNOWN);
break;
}
break;
case FW_PORT_TYPE_KX4:
case FW_PORT_TYPE_KX:
case FW_PORT_TYPE_KR:
default:
ifmedia_add(media, m | IFM_UNKNOWN, data, NULL);
ifmedia_set(media, m | IFM_UNKNOWN);
break;
}
PORT_UNLOCK(pi);
}
#define FW_MAC_EXACT_CHUNK 7
/*
* Program the port's XGMAC based on parameters in ifnet. The caller also
* indicates which parameters should be programmed (the rest are left alone).
*/
static int
update_mac_settings(struct port_info *pi, int flags)
{
int rc;
struct ifnet *ifp = pi->ifp;
struct adapter *sc = pi->adapter;
int mtu = -1, promisc = -1, allmulti = -1, vlanex = -1;
PORT_LOCK_ASSERT_OWNED(pi);
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;
rc = -t4_set_rxmode(sc, sc->mbox, pi->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, pi->viid, pi->xact_addr_filt,
ucaddr, true, true);
if (rc < 0) {
rc = -rc;
if_printf(ifp, "change_mac failed: %d\n", rc);
return (rc);
} else {
pi->xact_addr_filt = rc;
rc = 0;
}
}
if (flags & XGMAC_MCADDRS) {
const uint8_t *mcaddr[FW_MAC_EXACT_CHUNK];
int del = 1;
uint64_t hash = 0;
struct ifmultiaddr *ifma;
int i = 0, j;
if_maddr_rlock(ifp);
TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
if (ifma->ifma_addr->sa_family == AF_LINK)
continue;
mcaddr[i++] =
LLADDR((struct sockaddr_dl *)ifma->ifma_addr);
if (i == FW_MAC_EXACT_CHUNK) {
rc = t4_alloc_mac_filt(sc, sc->mbox, pi->viid,
del, i, mcaddr, NULL, &hash, 0);
if (rc < 0) {
rc = -rc;
for (j = 0; j < i; j++) {
if_printf(ifp,
"failed to add mc address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
mcaddr[j][0], mcaddr[j][1],
mcaddr[j][2], mcaddr[j][3],
mcaddr[j][4], mcaddr[j][5],
rc);
}
goto mcfail;
}
del = 0;
i = 0;
}
}
if (i > 0) {
rc = t4_alloc_mac_filt(sc, sc->mbox, pi->viid,
del, i, mcaddr, NULL, &hash, 0);
if (rc < 0) {
rc = -rc;
for (j = 0; j < i; j++) {
if_printf(ifp,
"failed to add mc address"
" %02x:%02x:%02x:"
"%02x:%02x:%02x rc=%d\n",
mcaddr[j][0], mcaddr[j][1],
mcaddr[j][2], mcaddr[j][3],
mcaddr[j][4], mcaddr[j][5],
rc);
}
goto mcfail;
}
}
rc = -t4_set_addr_hash(sc, sc->mbox, pi->viid, 0, hash, 0);
if (rc != 0)
if_printf(ifp, "failed to set mc address hash: %d", rc);
mcfail:
if_maddr_runlock(ifp);
}
return (rc);
}
static int
cxgbe_init_locked(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
int rc = 0;
ADAPTER_LOCK_ASSERT_OWNED(sc);
while (!IS_DOOMED(pi) && IS_BUSY(sc)) {
if (mtx_sleep(&sc->flags, &sc->sc_lock, PCATCH, "t4init", 0)) {
rc = EINTR;
goto done;
}
}
if (IS_DOOMED(pi)) {
rc = ENXIO;
goto done;
}
KASSERT(!IS_BUSY(sc), ("%s: controller busy.", __func__));
/* Give up the adapter lock, port init code can sleep. */
SET_BUSY(sc);
ADAPTER_UNLOCK(sc);
rc = cxgbe_init_synchronized(pi);
done:
ADAPTER_LOCK(sc);
KASSERT(IS_BUSY(sc), ("%s: controller not busy.", __func__));
CLR_BUSY(sc);
wakeup_one(&sc->flags);
ADAPTER_UNLOCK(sc);
return (rc);
}
static int
cxgbe_init_synchronized(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
struct ifnet *ifp = pi->ifp;
int rc = 0;
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
if (isset(&sc->open_device_map, pi->port_id)) {
KASSERT(ifp->if_drv_flags & IFF_DRV_RUNNING,
("mismatch between open_device_map and if_drv_flags"));
return (0); /* already running */
}
if (!(sc->flags & FULL_INIT_DONE) &&
((rc = adapter_full_init(sc)) != 0))
return (rc); /* error message displayed already */
if (!(pi->flags & PORT_INIT_DONE) &&
((rc = port_full_init(pi)) != 0))
return (rc); /* error message displayed already */
PORT_LOCK(pi);
rc = update_mac_settings(pi, XGMAC_ALL);
PORT_UNLOCK(pi);
if (rc)
goto done; /* error message displayed already */
rc = -t4_link_start(sc, sc->mbox, pi->tx_chan, &pi->link_cfg);
if (rc != 0) {
if_printf(ifp, "start_link failed: %d\n", rc);
goto done;
}
rc = -t4_enable_vi(sc, sc->mbox, pi->viid, true, true);
if (rc != 0) {
if_printf(ifp, "enable_vi failed: %d\n", rc);
goto done;
}
/* all ok */
setbit(&sc->open_device_map, pi->port_id);
ifp->if_drv_flags |= IFF_DRV_RUNNING;
callout_reset(&pi->tick, hz, cxgbe_tick, pi);
done:
if (rc != 0)
cxgbe_uninit_synchronized(pi);
return (rc);
}
static int
cxgbe_uninit_locked(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
int rc;
ADAPTER_LOCK_ASSERT_OWNED(sc);
while (!IS_DOOMED(pi) && IS_BUSY(sc)) {
if (mtx_sleep(&sc->flags, &sc->sc_lock, PCATCH, "t4uninit", 0)) {
rc = EINTR;
goto done;
}
}
if (IS_DOOMED(pi)) {
rc = ENXIO;
goto done;
}
KASSERT(!IS_BUSY(sc), ("%s: controller busy.", __func__));
SET_BUSY(sc);
ADAPTER_UNLOCK(sc);
rc = cxgbe_uninit_synchronized(pi);
ADAPTER_LOCK(sc);
KASSERT(IS_BUSY(sc), ("%s: controller not busy.", __func__));
CLR_BUSY(sc);
wakeup_one(&sc->flags);
done:
ADAPTER_UNLOCK(sc);
return (rc);
}
/*
* Idempotent.
*/
static int
cxgbe_uninit_synchronized(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
struct ifnet *ifp = pi->ifp;
int rc;
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
/*
* 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, pi->viid, false, false);
if (rc) {
if_printf(ifp, "disable_vi failed: %d\n", rc);
return (rc);
}
clrbit(&sc->open_device_map, pi->port_id);
ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
pi->link_cfg.link_ok = 0;
pi->link_cfg.speed = 0;
t4_os_link_changed(sc, pi->port_id, 0);
return (0);
}
#define T4_ALLOC_IRQ(sc, irq, rid, handler, arg, name) do { \
rc = t4_alloc_irq(sc, irq, rid, handler, arg, name); \
if (rc != 0) \
goto done; \
} while (0)
static int
adapter_full_init(struct adapter *sc)
{
int rc, i, rid, p, q;
char s[8];
struct irq *irq;
struct port_info *pi;
struct sge_rxq *rxq;
#ifndef TCP_OFFLOAD_DISABLE
struct sge_ofld_rxq *ofld_rxq;
#endif
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
KASSERT((sc->flags & FULL_INIT_DONE) == 0,
("%s: FULL_INIT_DONE already", __func__));
/*
* queues that belong to the adapter (not any particular port).
*/
rc = t4_setup_adapter_queues(sc);
if (rc != 0)
goto done;
for (i = 0; i < ARRAY_SIZE(sc->tq); i++) {
sc->tq[i] = taskqueue_create("t4 taskq", M_NOWAIT,
taskqueue_thread_enqueue, &sc->tq[i]);
if (sc->tq[i] == NULL) {
device_printf(sc->dev,
"failed to allocate task queue %d\n", i);
rc = ENOMEM;
goto done;
}
taskqueue_start_threads(&sc->tq[i], 1, PI_NET, "%s tq%d",
device_get_nameunit(sc->dev), i);
}
/*
* Setup interrupts.
*/
irq = &sc->irq[0];
rid = sc->intr_type == INTR_INTX ? 0 : 1;
if (sc->intr_count == 1) {
KASSERT(!(sc->flags & INTR_DIRECT),
("%s: single interrupt && INTR_DIRECT?", __func__));
T4_ALLOC_IRQ(sc, irq, rid, t4_intr_all, sc, "all");
} else {
/* Multiple interrupts. */
KASSERT(sc->intr_count >= T4_EXTRA_INTR + sc->params.nports,
("%s: too few intr.", __func__));
/* The first one is always error intr */
T4_ALLOC_IRQ(sc, irq, rid, t4_intr_err, sc, "err");
irq++;
rid++;
/* The second one is always the firmware event queue */
T4_ALLOC_IRQ(sc, irq, rid, t4_intr_evt, &sc->sge.fwq, "evt");
irq++;
rid++;
/*
* Note that if INTR_DIRECT is not set then either the NIC rx
* queues or (exclusive or) the TOE rx queueus will be taking
* direct interrupts.
*
* There is no need to check for is_offload(sc) as nofldrxq
* will be 0 if offload is disabled.
*/
for_each_port(sc, p) {
pi = sc->port[p];
#ifndef TCP_OFFLOAD_DISABLE
/*
* Skip over the NIC queues if they aren't taking direct
* interrupts.
*/
if (!(sc->flags & INTR_DIRECT) &&
pi->nofldrxq > pi->nrxq)
goto ofld_queues;
#endif
rxq = &sc->sge.rxq[pi->first_rxq];
for (q = 0; q < pi->nrxq; q++, rxq++) {
snprintf(s, sizeof(s), "%d.%d", p, q);
T4_ALLOC_IRQ(sc, irq, rid, t4_intr, rxq, s);
irq++;
rid++;
}
#ifndef TCP_OFFLOAD_DISABLE
/*
* Skip over the offload queues if they aren't taking
* direct interrupts.
*/
if (!(sc->flags & INTR_DIRECT))
continue;
ofld_queues:
ofld_rxq = &sc->sge.ofld_rxq[pi->first_ofld_rxq];
for (q = 0; q < pi->nofldrxq; q++, ofld_rxq++) {
snprintf(s, sizeof(s), "%d,%d", p, q);
T4_ALLOC_IRQ(sc, irq, rid, t4_intr, ofld_rxq, s);
irq++;
rid++;
}
#endif
}
}
t4_intr_enable(sc);
sc->flags |= FULL_INIT_DONE;
done:
if (rc != 0)
adapter_full_uninit(sc);
return (rc);
}
#undef T4_ALLOC_IRQ
static int
adapter_full_uninit(struct adapter *sc)
{
int i;
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
t4_teardown_adapter_queues(sc);
for (i = 0; i < sc->intr_count; i++)
t4_free_irq(sc, &sc->irq[i]);
for (i = 0; i < ARRAY_SIZE(sc->tq) && sc->tq[i]; i++) {
taskqueue_free(sc->tq[i]);
sc->tq[i] = NULL;
}
sc->flags &= ~FULL_INIT_DONE;
return (0);
}
static int
port_full_init(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
struct ifnet *ifp = pi->ifp;
uint16_t *rss;
struct sge_rxq *rxq;
int rc, i;
ADAPTER_LOCK_ASSERT_NOTOWNED(sc);
KASSERT((pi->flags & PORT_INIT_DONE) == 0,
("%s: PORT_INIT_DONE already", __func__));
sysctl_ctx_init(&pi->ctx);
pi->flags |= PORT_SYSCTL_CTX;
/*
* Allocate tx/rx/fl queues for this port.
*/
rc = t4_setup_port_queues(pi);
if (rc != 0)
goto done; /* error message displayed already */
/*
* Setup RSS for this port.
*/
rss = malloc(pi->nrxq * sizeof (*rss), M_CXGBE,
M_ZERO | M_WAITOK);
for_each_rxq(pi, i, rxq) {
rss[i] = rxq->iq.abs_id;
}
rc = -t4_config_rss_range(sc, sc->mbox, pi->viid, 0,
pi->rss_size, rss, pi->nrxq);
free(rss, M_CXGBE);
if (rc != 0) {
if_printf(ifp, "rss_config failed: %d\n", rc);
goto done;
}
pi->flags |= PORT_INIT_DONE;
done:
if (rc != 0)
port_full_uninit(pi);
return (rc);
}
/*
* Idempotent.
*/
static int
port_full_uninit(struct port_info *pi)
{
struct adapter *sc = pi->adapter;
int i;
struct sge_rxq *rxq;
struct sge_txq *txq;
#ifndef TCP_OFFLOAD_DISABLE
struct sge_ofld_rxq *ofld_rxq;
struct sge_wrq *ofld_txq;
#endif
if (pi->flags & PORT_INIT_DONE) {
/* Need to quiesce queues. XXX: ctrl queues? */
for_each_txq(pi, i, txq) {
quiesce_eq(sc, &txq->eq);
}
#ifndef TCP_OFFLOAD_DISABLE
for_each_ofld_txq(pi, i, ofld_txq) {
quiesce_eq(sc, &ofld_txq->eq);
}
#endif
for_each_rxq(pi, i, rxq) {
quiesce_iq(sc, &rxq->iq);
quiesce_fl(sc, &rxq->fl);
}
#ifndef TCP_OFFLOAD_DISABLE
for_each_ofld_rxq(pi, i, ofld_rxq) {
quiesce_iq(sc, &ofld_rxq->iq);
quiesce_fl(sc, &ofld_rxq->fl);
}
#endif
}
t4_teardown_port_queues(pi);
pi->flags &= ~PORT_INIT_DONE;
return (0);
}
static void
quiesce_eq(struct adapter *sc, struct sge_eq *eq)
{
EQ_LOCK(eq);
eq->flags |= EQ_DOOMED;
/*
* Wait for the response to a credit flush if one's
* pending.
*/
while (eq->flags & EQ_CRFLUSHED)
mtx_sleep(eq, &eq->eq_lock, 0, "crflush", 0);
EQ_UNLOCK(eq);
callout_drain(&eq->tx_callout); /* XXX: iffy */
pause("callout", 10); /* Still iffy */
taskqueue_drain(sc->tq[eq->tx_chan], &eq->tx_task);
}
static void
quiesce_iq(struct adapter *sc, struct sge_iq *iq)
{
(void) sc; /* unused */
/* Synchronize with the interrupt handler */
while (!atomic_cmpset_int(&iq->state, IQS_IDLE, IQS_DISABLED))
pause("iqfree", 1);
}
static void
quiesce_fl(struct adapter *sc, struct sge_fl *fl)
{
mtx_lock(&sc->sfl_lock);
FL_LOCK(fl);
fl->flags |= FL_DOOMED;
FL_UNLOCK(fl);
mtx_unlock(&sc->sfl_lock);
callout_drain(&sc->sfl_callout);
KASSERT((fl->flags & FL_STARVING) == 0,
("%s: still starving", __func__));
}
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, 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
reg_block_dump(struct adapter *sc, uint8_t *buf, unsigned int start,
unsigned int end)
{
uint32_t *p = (uint32_t *)(buf + start);
for ( ; start <= end; start += sizeof(uint32_t))
*p++ = t4_read_reg(sc, start);
}
static void
t4_get_regs(struct adapter *sc, struct t4_regdump *regs, uint8_t *buf)
{
int i;
static const unsigned int reg_ranges[] = {
0x1008, 0x1108,
0x1180, 0x11b4,
0x11fc, 0x123c,
0x1300, 0x173c,
0x1800, 0x18fc,
0x3000, 0x30d8,
0x30e0, 0x5924,
0x5960, 0x59d4,
0x5a00, 0x5af8,
0x6000, 0x6098,
0x6100, 0x6150,
0x6200, 0x6208,
0x6240, 0x6248,
0x6280, 0x6338,
0x6370, 0x638c,
0x6400, 0x643c,
0x6500, 0x6524,
0x6a00, 0x6a38,
0x6a60, 0x6a78,
0x6b00, 0x6b84,
0x6bf0, 0x6c84,
0x6cf0, 0x6d84,
0x6df0, 0x6e84,
0x6ef0, 0x6f84,
0x6ff0, 0x7084,
0x70f0, 0x7184,
0x71f0, 0x7284,
0x72f0, 0x7384,
0x73f0, 0x7450,
0x7500, 0x7530,
0x7600, 0x761c,
0x7680, 0x76cc,
0x7700, 0x7798,
0x77c0, 0x77fc,
0x7900, 0x79fc,
0x7b00, 0x7c38,
0x7d00, 0x7efc,
0x8dc0, 0x8e1c,
0x8e30, 0x8e78,
0x8ea0, 0x8f6c,
0x8fc0, 0x9074,
0x90fc, 0x90fc,
0x9400, 0x9458,
0x9600, 0x96bc,
0x9800, 0x9808,
0x9820, 0x983c,
0x9850, 0x9864,
0x9c00, 0x9c6c,
0x9c80, 0x9cec,
0x9d00, 0x9d6c,
0x9d80, 0x9dec,
0x9e00, 0x9e6c,
0x9e80, 0x9eec,
0x9f00, 0x9f6c,
0x9f80, 0x9fec,
0xd004, 0xd03c,
0xdfc0, 0xdfe0,
0xe000, 0xea7c,
0xf000, 0x11190,
0x19040, 0x19124,
0x19150, 0x191b0,
0x191d0, 0x191e8,
0x19238, 0x1924c,
0x193f8, 0x19474,
0x19490, 0x194f8,
0x19800, 0x19f30,
0x1a000, 0x1a06c,
0x1a0b0, 0x1a120,
0x1a128, 0x1a138,
0x1a190, 0x1a1c4,
0x1a1fc, 0x1a1fc,
0x1e040, 0x1e04c,
0x1e240, 0x1e28c,
0x1e2c0, 0x1e2c0,
0x1e2e0, 0x1e2e0,
0x1e300, 0x1e384,
0x1e3c0, 0x1e3c8,
0x1e440, 0x1e44c,
0x1e640, 0x1e68c,
0x1e6c0, 0x1e6c0,
0x1e6e0, 0x1e6e0,
0x1e700, 0x1e784,
0x1e7c0, 0x1e7c8,
0x1e840, 0x1e84c,
0x1ea40, 0x1ea8c,
0x1eac0, 0x1eac0,
0x1eae0, 0x1eae0,
0x1eb00, 0x1eb84,
0x1ebc0, 0x1ebc8,
0x1ec40, 0x1ec4c,
0x1ee40, 0x1ee8c,
0x1eec0, 0x1eec0,
0x1eee0, 0x1eee0,
0x1ef00, 0x1ef84,
0x1efc0, 0x1efc8,
0x1f040, 0x1f04c,
0x1f240, 0x1f28c,
0x1f2c0, 0x1f2c0,
0x1f2e0, 0x1f2e0,
0x1f300, 0x1f384,
0x1f3c0, 0x1f3c8,
0x1f440, 0x1f44c,
0x1f640, 0x1f68c,
0x1f6c0, 0x1f6c0,
0x1f6e0, 0x1f6e0,
0x1f700, 0x1f784,
0x1f7c0, 0x1f7c8,
0x1f840, 0x1f84c,
0x1fa40, 0x1fa8c,
0x1fac0, 0x1fac0,
0x1fae0, 0x1fae0,
0x1fb00, 0x1fb84,
0x1fbc0, 0x1fbc8,
0x1fc40, 0x1fc4c,
0x1fe40, 0x1fe8c,
0x1fec0, 0x1fec0,
0x1fee0, 0x1fee0,
0x1ff00, 0x1ff84,
0x1ffc0, 0x1ffc8,
0x20000, 0x2002c,
0x20100, 0x2013c,
0x20190, 0x201c8,
0x20200, 0x20318,
0x20400, 0x20528,
0x20540, 0x20614,
0x21000, 0x21040,
0x2104c, 0x21060,
0x210c0, 0x210ec,
0x21200, 0x21268,
0x21270, 0x21284,
0x212fc, 0x21388,
0x21400, 0x21404,
0x21500, 0x21518,
0x2152c, 0x2153c,
0x21550, 0x21554,
0x21600, 0x21600,
0x21608, 0x21628,
0x21630, 0x2163c,
0x21700, 0x2171c,
0x21780, 0x2178c,
0x21800, 0x21c38,
0x21c80, 0x21d7c,
0x21e00, 0x21e04,
0x22000, 0x2202c,
0x22100, 0x2213c,
0x22190, 0x221c8,
0x22200, 0x22318,
0x22400, 0x22528,
0x22540, 0x22614,
0x23000, 0x23040,
0x2304c, 0x23060,
0x230c0, 0x230ec,
0x23200, 0x23268,
0x23270, 0x23284,
0x232fc, 0x23388,
0x23400, 0x23404,
0x23500, 0x23518,
0x2352c, 0x2353c,
0x23550, 0x23554,
0x23600, 0x23600,
0x23608, 0x23628,
0x23630, 0x2363c,
0x23700, 0x2371c,
0x23780, 0x2378c,
0x23800, 0x23c38,
0x23c80, 0x23d7c,
0x23e00, 0x23e04,
0x24000, 0x2402c,
0x24100, 0x2413c,
0x24190, 0x241c8,
0x24200, 0x24318,
0x24400, 0x24528,
0x24540, 0x24614,
0x25000, 0x25040,
0x2504c, 0x25060,
0x250c0, 0x250ec,
0x25200, 0x25268,
0x25270, 0x25284,
0x252fc, 0x25388,
0x25400, 0x25404,
0x25500, 0x25518,
0x2552c, 0x2553c,
0x25550, 0x25554,
0x25600, 0x25600,
0x25608, 0x25628,
0x25630, 0x2563c,
0x25700, 0x2571c,
0x25780, 0x2578c,
0x25800, 0x25c38,
0x25c80, 0x25d7c,
0x25e00, 0x25e04,
0x26000, 0x2602c,
0x26100, 0x2613c,
0x26190, 0x261c8,
0x26200, 0x26318,
0x26400, 0x26528,
0x26540, 0x26614,
0x27000, 0x27040,
0x2704c, 0x27060,
0x270c0, 0x270ec,
0x27200, 0x27268,
0x27270, 0x27284,
0x272fc, 0x27388,
0x27400, 0x27404,
0x27500, 0x27518,
0x2752c, 0x2753c,
0x27550, 0x27554,
0x27600, 0x27600,
0x27608, 0x27628,
0x27630, 0x2763c,
0x27700, 0x2771c,
0x27780, 0x2778c,
0x27800, 0x27c38,
0x27c80, 0x27d7c,
0x27e00, 0x27e04
};
regs->version = 4 | (sc->params.rev << 10);
for (i = 0; i < ARRAY_SIZE(reg_ranges); i += 2)
reg_block_dump(sc, buf, reg_ranges[i], reg_ranges[i + 1]);
}
static void
cxgbe_tick(void *arg)
{
struct port_info *pi = arg;
struct ifnet *ifp = pi->ifp;
struct sge_txq *txq;
int i, drops;
struct port_stats *s = &pi->stats;
PORT_LOCK(pi);
if (!(ifp->if_drv_flags & IFF_DRV_RUNNING)) {
PORT_UNLOCK(pi);
return; /* without scheduling another callout */
}
t4_get_port_stats(pi->adapter, pi->tx_chan, s);
ifp->if_opackets = s->tx_frames - s->tx_pause;
ifp->if_ipackets = s->rx_frames - s->rx_pause;
ifp->if_obytes = s->tx_octets - s->tx_pause * 64;
ifp->if_ibytes = s->rx_octets - s->rx_pause * 64;
ifp->if_omcasts = s->tx_mcast_frames - s->tx_pause;
ifp->if_imcasts = s->rx_mcast_frames - s->rx_pause;
ifp->if_iqdrops = s->rx_ovflow0 + s->rx_ovflow1 + s->rx_ovflow2 +
s->rx_ovflow3;
drops = s->tx_drop;
for_each_txq(pi, i, txq)
drops += txq->br->br_drops;
ifp->if_snd.ifq_drops = drops;
ifp->if_oerrors = s->tx_error_frames;
ifp->if_ierrors = s->rx_jabber + s->rx_runt + s->rx_too_long +
s->rx_fcs_err + s->rx_len_err;
callout_schedule(&pi->tick, hz);
PORT_UNLOCK(pi);
}
static int
cpl_not_handled(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
{
#ifdef INVARIANTS
panic("%s: opcode %02x on iq %p with payload %p",
__func__, rss->opcode, iq, m);
#else
log(LOG_ERR, "%s: opcode %02x on iq %p with payload %p",
__func__, rss->opcode, iq, m);
m_freem(m);
#endif
return (EDOOFUS);
}
int
t4_register_cpl_handler(struct adapter *sc, int opcode, cpl_handler_t h)
{
uintptr_t *loc, new;
if (opcode >= ARRAY_SIZE(sc->cpl_handler))
return (EINVAL);
new = h ? (uintptr_t)h : (uintptr_t)cpl_not_handled;
loc = (uintptr_t *) &sc->cpl_handler[opcode];
atomic_store_rel_ptr(loc, new);
return (0);
}
static int
t4_sysctls(struct adapter *sc)
{
struct sysctl_ctx_list *ctx;
struct sysctl_oid *oid;
struct sysctl_oid_list *children, *c0;
static char *caps[] = {
"\20\1PPP\2QFC\3DCBX", /* caps[0] linkcaps */
"\20\1NIC\2VM\3IDS\4UM\5UM_ISGL", /* caps[1] niccaps */
"\20\1TOE", /* caps[2] toecaps */
"\20\1RDDP\2RDMAC", /* caps[3] rdmacaps */
"\20\1INITIATOR_PDU\2TARGET_PDU" /* caps[4] iscsicaps */
"\3INITIATOR_CNXOFLD\4TARGET_CNXOFLD"
"\5INITIATOR_SSNOFLD\6TARGET_SSNOFLD",
"\20\1INITIATOR\2TARGET\3CTRL_OFLD" /* caps[5] fcoecaps */
};
ctx = device_get_sysctl_ctx(sc->dev);
/*
* dev.t4nex.X.
*/
oid = device_get_sysctl_tree(sc->dev);
c0 = children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nports", CTLFLAG_RD,
&sc->params.nports, 0, "# of ports");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "hw_revision", CTLFLAG_RD,
&sc->params.rev, 0, "chip hardware revision");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "firmware_version",
CTLFLAG_RD, &sc->fw_version, 0, "firmware version");
SYSCTL_ADD_STRING(ctx, children, OID_AUTO, "cf",
CTLFLAG_RD, &t4_cfg_file, 0, "configuration file");
SYSCTL_ADD_UINT(ctx, children, OID_AUTO, "cfcsum", CTLFLAG_RD,
&sc->cfcsum, 0, "config file checksum");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "linkcaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[0], sc->linkcaps,
sysctl_bitfield, "A", "available link capabilities");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "niccaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[1], sc->niccaps,
sysctl_bitfield, "A", "available NIC capabilities");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "toecaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[2], sc->toecaps,
sysctl_bitfield, "A", "available TCP offload capabilities");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rdmacaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[3], sc->rdmacaps,
sysctl_bitfield, "A", "available RDMA capabilities");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "iscsicaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[4], sc->iscsicaps,
sysctl_bitfield, "A", "available iSCSI capabilities");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fcoecaps",
CTLTYPE_STRING | CTLFLAG_RD, caps[5], sc->fcoecaps,
sysctl_bitfield, "A", "available FCoE capabilities");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_clock", CTLFLAG_RD,
&sc->params.vpd.cclk, 0, "core clock frequency (in KHz)");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_timers",
CTLTYPE_STRING | CTLFLAG_RD, sc->sge.timer_val,
sizeof(sc->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, sc->sge.counter_val,
sizeof(sc->sge.counter_val), sysctl_int_array, "A",
"interrupt holdoff packet counter values");
#ifdef SBUF_DRAIN
/*
* dev.t4nex.X.misc. Marked CTLFLAG_SKIP to avoid information overload.
*/
oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "misc",
CTLFLAG_RD | CTLFLAG_SKIP, NULL,
"logs and miscellaneous information");
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cctrl",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_cctrl, "A", "congestion control");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "cpl_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_cpl_stats, "A", "CPL statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "ddp_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_ddp_stats, "A", "DDP statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "devlog",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_devlog, "A", "firmware's device log");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "fcoe_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_fcoe_stats, "A", "FCoE statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "hw_sched",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_hw_sched, "A", "hardware scheduler ");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "l2t",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_l2t, "A", "hardware L2 table");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "lb_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_lb_stats, "A", "loopback statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "meminfo",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_meminfo, "A", "memory regions");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "path_mtus",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_path_mtus, "A", "path MTUs");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "pm_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_pm_stats, "A", "PM statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "rdma_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_rdma_stats, "A", "RDMA statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tcp_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_tcp_stats, "A", "TCP statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tids",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_tids, "A", "TID information");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tp_err_stats",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_tp_err_stats, "A", "TP error statistics");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "tx_rate",
CTLTYPE_STRING | CTLFLAG_RD, sc, 0,
sysctl_tx_rate, "A", "Tx rate");
#endif
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(sc)) {
/*
* dev.t4nex.X.toe.
*/
oid = SYSCTL_ADD_NODE(ctx, c0, OID_AUTO, "toe", CTLFLAG_RD,
NULL, "TOE parameters");
children = SYSCTL_CHILDREN(oid);
sc->tt.sndbuf = 256 * 1024;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "sndbuf", CTLFLAG_RW,
&sc->tt.sndbuf, 0, "max hardware send buffer size");
sc->tt.ddp = 0;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp", CTLFLAG_RW,
&sc->tt.ddp, 0, "DDP allowed");
sc->tt.indsz = M_INDICATESIZE;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "indsz", CTLFLAG_RW,
&sc->tt.indsz, 0, "DDP max indicate size allowed");
sc->tt.ddp_thres = 3*4096;
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ddp_thres", CTLFLAG_RW,
&sc->tt.ddp_thres, 0, "DDP threshold");
}
#endif
return (0);
}
static int
cxgbe_sysctls(struct port_info *pi)
{
struct sysctl_ctx_list *ctx;
struct sysctl_oid *oid;
struct sysctl_oid_list *children;
ctx = device_get_sysctl_ctx(pi->dev);
/*
* dev.cxgbe.X.
*/
oid = device_get_sysctl_tree(pi->dev);
children = SYSCTL_CHILDREN(oid);
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nrxq", CTLFLAG_RD,
&pi->nrxq, 0, "# of rx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "ntxq", CTLFLAG_RD,
&pi->ntxq, 0, "# of tx queues");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_rxq", CTLFLAG_RD,
&pi->first_rxq, 0, "index of first rx queue");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_txq", CTLFLAG_RD,
&pi->first_txq, 0, "index of first tx queue");
#ifndef TCP_OFFLOAD_DISABLE
if (is_offload(pi->adapter)) {
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldrxq", CTLFLAG_RD,
&pi->nofldrxq, 0,
"# of rx queues for offloaded TCP connections");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "nofldtxq", CTLFLAG_RD,
&pi->nofldtxq, 0,
"# of tx queues for offloaded TCP connections");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_rxq",
CTLFLAG_RD, &pi->first_ofld_rxq, 0,
"index of first TOE rx queue");
SYSCTL_ADD_INT(ctx, children, OID_AUTO, "first_ofld_txq",
CTLFLAG_RD, &pi->first_ofld_txq, 0,
"index of first TOE tx queue");
}
#endif
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_tmr_idx",
CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_holdoff_tmr_idx, "I",
"holdoff timer index");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "holdoff_pktc_idx",
CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_holdoff_pktc_idx, "I",
"holdoff packet counter index");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_rxq",
CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_qsize_rxq, "I",
"rx queue size");
SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "qsize_txq",
CTLTYPE_INT | CTLFLAG_RW, pi, 0, sysctl_qsize_txq, "I",
"tx queue size");
/*
* dev.cxgbe.X.stats.
*/
oid = SYSCTL_ADD_NODE(ctx, children, OID_AUTO, "stats", CTLFLAG_RD,
NULL, "port statistics");
children = SYSCTL_CHILDREN(oid);
#define SYSCTL_ADD_T4_REG64(pi, name, desc, reg) \
SYSCTL_ADD_OID(ctx, children, OID_AUTO, name, \
CTLTYPE_U64 | CTLFLAG_RD, pi->adapter, reg, \
sysctl_handle_t4_reg64, "QU", desc)
SYSCTL_ADD_T4_REG64(pi, "tx_octets", "# of octets in good frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BYTES_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames", "total # of good frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_FRAMES_L));
SYSCTL_ADD_T4_REG64(pi, "tx_bcast_frames", "# of broadcast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_BCAST_L));
SYSCTL_ADD_T4_REG64(pi, "tx_mcast_frames", "# of multicast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_MCAST_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ucast_frames", "# of unicast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_UCAST_L));
SYSCTL_ADD_T4_REG64(pi, "tx_error_frames", "# of error frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_64",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_64B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_65_127",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_65B_127B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_128_255",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_128B_255B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_256_511",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_256B_511B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_512_1023",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_512B_1023B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_1024_1518",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1024B_1518B_L));
SYSCTL_ADD_T4_REG64(pi, "tx_frames_1519_max",
"# of tx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_1519B_MAX_L));
SYSCTL_ADD_T4_REG64(pi, "tx_drop", "# of dropped tx frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_DROP_L));
SYSCTL_ADD_T4_REG64(pi, "tx_pause", "# of pause frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PAUSE_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp0", "# of PPP prio 0 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP0_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp1", "# of PPP prio 1 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP1_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp2", "# of PPP prio 2 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP2_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp3", "# of PPP prio 3 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP3_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp4", "# of PPP prio 4 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP4_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp5", "# of PPP prio 5 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP5_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp6", "# of PPP prio 6 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP6_L));
SYSCTL_ADD_T4_REG64(pi, "tx_ppp7", "# of PPP prio 7 frames transmitted",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_TX_PORT_PPP7_L));
SYSCTL_ADD_T4_REG64(pi, "rx_octets", "# of octets in good frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BYTES_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames", "total # of good frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_FRAMES_L));
SYSCTL_ADD_T4_REG64(pi, "rx_bcast_frames", "# of broadcast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_BCAST_L));
SYSCTL_ADD_T4_REG64(pi, "rx_mcast_frames", "# of multicast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MCAST_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ucast_frames", "# of unicast frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_UCAST_L));
SYSCTL_ADD_T4_REG64(pi, "rx_too_long", "# of frames exceeding MTU",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "rx_jabber", "# of jabber frames",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_MTU_CRC_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "rx_fcs_err",
"# of frames received with bad FCS",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_CRC_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "rx_len_err",
"# of frames received with length error",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LEN_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "rx_symbol_err", "symbol errors",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_SYM_ERROR_L));
SYSCTL_ADD_T4_REG64(pi, "rx_runt", "# of short frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_LESS_64B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_64",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_64B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_65_127",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_65B_127B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_128_255",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_128B_255B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_256_511",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_256B_511B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_512_1023",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_512B_1023B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_1024_1518",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1024B_1518B_L));
SYSCTL_ADD_T4_REG64(pi, "rx_frames_1519_max",
"# of rx frames in this range",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_1519B_MAX_L));
SYSCTL_ADD_T4_REG64(pi, "rx_pause", "# of pause frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PAUSE_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp0", "# of PPP prio 0 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP0_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp1", "# of PPP prio 1 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP1_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp2", "# of PPP prio 2 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP2_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp3", "# of PPP prio 3 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP3_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp4", "# of PPP prio 4 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP4_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp5", "# of PPP prio 5 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP5_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp6", "# of PPP prio 6 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP6_L));
SYSCTL_ADD_T4_REG64(pi, "rx_ppp7", "# of PPP prio 7 frames received",
PORT_REG(pi->tx_chan, A_MPS_PORT_STAT_RX_PORT_PPP7_L));
#undef SYSCTL_ADD_T4_REG64
#define SYSCTL_ADD_T4_PORTSTAT(name, desc) \
SYSCTL_ADD_UQUAD(ctx, children, OID_AUTO, #name, CTLFLAG_RD, \
&pi->stats.name, desc)
/* We get these from port_stats and they may be stale by upto 1s */
SYSCTL_ADD_T4_PORTSTAT(rx_ovflow0,
"# drops due to buffer-group 0 overflows");
SYSCTL_ADD_T4_PORTSTAT(rx_ovflow1,
"# drops due to buffer-group 1 overflows");
SYSCTL_ADD_T4_PORTSTAT(rx_ovflow2,
"# drops due to buffer-group 2 overflows");
SYSCTL_ADD_T4_PORTSTAT(rx_ovflow3,
"# drops due to buffer-group 3 overflows");
SYSCTL_ADD_T4_PORTSTAT(rx_trunc0,
"# of buffer-group 0 truncated packets");
SYSCTL_ADD_T4_PORTSTAT(rx_trunc1,
"# of buffer-group 1 truncated packets");
SYSCTL_ADD_T4_PORTSTAT(rx_trunc2,
"# of buffer-group 2 truncated packets");
SYSCTL_ADD_T4_PORTSTAT(rx_trunc3,
"# of buffer-group 3 truncated packets");
#undef SYSCTL_ADD_T4_PORTSTAT
return (0);
}
static int
sysctl_int_array(SYSCTL_HANDLER_ARGS)
{
int rc, *i;
struct sbuf sb;
sbuf_new(&sb, NULL, 32, SBUF_AUTOEXTEND);
for (i = arg1; arg2; arg2 -= sizeof(int), i++)
sbuf_printf(&sb, "%d ", *i);
sbuf_trim(&sb);
sbuf_finish(&sb);
rc = sysctl_handle_string(oidp, sbuf_data(&sb), sbuf_len(&sb), req);
sbuf_delete(&sb);
return (rc);
}
static int
sysctl_bitfield(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", (int)arg2, (char *)arg1);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_holdoff_tmr_idx(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
int idx, rc, i;
idx = pi->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);
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc == 0) {
struct sge_rxq *rxq;
uint8_t v;
v = V_QINTR_TIMER_IDX(idx) | V_QINTR_CNT_EN(pi->pktc_idx != -1);
for_each_rxq(pi, i, rxq) {
#ifdef atomic_store_rel_8
atomic_store_rel_8(&rxq->iq.intr_params, v);
#else
rxq->iq.intr_params = v;
#endif
}
pi->tmr_idx = idx;
}
ADAPTER_UNLOCK(sc);
return (rc);
}
static int
sysctl_holdoff_pktc_idx(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
int idx, rc;
idx = pi->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);
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc == 0 && pi->flags & PORT_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
if (rc == 0)
pi->pktc_idx = idx;
ADAPTER_UNLOCK(sc);
return (rc);
}
static int
sysctl_qsize_rxq(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
int qsize, rc;
qsize = pi->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);
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc == 0 && pi->flags & PORT_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
if (rc == 0)
pi->qsize_rxq = qsize;
ADAPTER_UNLOCK(sc);
return (rc);
}
static int
sysctl_qsize_txq(SYSCTL_HANDLER_ARGS)
{
struct port_info *pi = arg1;
struct adapter *sc = pi->adapter;
int qsize, rc;
qsize = pi->qsize_txq;
rc = sysctl_handle_int(oidp, &qsize, 0, req);
if (rc != 0 || req->newptr == NULL)
return (rc);
if (qsize < 128)
return (EINVAL);
ADAPTER_LOCK(sc);
rc = IS_DOOMED(pi) ? ENXIO : (IS_BUSY(sc) ? EBUSY : 0);
if (rc == 0 && pi->flags & PORT_INIT_DONE)
rc = EBUSY; /* cannot be changed once the queues are created */
if (rc == 0)
pi->qsize_txq = qsize;
ADAPTER_UNLOCK(sc);
return (rc);
}
static int
sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
int reg = arg2;
uint64_t val;
val = t4_read_reg64(sc, reg);
return (sysctl_handle_64(oidp, &val, 0, req));
}
#ifdef SBUF_DRAIN
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);
t4_read_cong_tbl(sc, incr);
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);
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);
t4_tp_get_cpl_stats(sc, &stats);
sbuf_printf(sb, " channel 0 channel 1 channel 2 "
"channel 3\n");
sbuf_printf(sb, "CPL requests: %10u %10u %10u %10u\n",
stats.req[0], stats.req[1], stats.req[2], stats.req[3]);
sbuf_printf(sb, "CPL responses: %10u %10u %10u %10u",
stats.rsp[0], stats.rsp[1], stats.rsp[2], stats.rsp[3]);
rc = sbuf_finish(sb);
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);
t4_get_usm_stats(sc, &stats);
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);
}
const char *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"
};
const char *devlog_facility_strings[] = {
[FW_DEVLOG_FACILITY_CORE] = "CORE",
[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"
};
static int
sysctl_devlog(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct devlog_params *dparams = &sc->params.devlog;
struct fw_devlog_e *buf, *e;
int i, j, rc, nentries, first = 0;
struct sbuf *sb;
uint64_t ftstamp = UINT64_MAX;
if (dparams->start == 0)
return (ENXIO);
nentries = dparams->size / sizeof(struct fw_devlog_e);
buf = malloc(dparams->size, M_CXGBE, M_NOWAIT);
if (buf == NULL)
return (ENOMEM);
rc = -t4_mem_read(sc, dparams->memtype, dparams->start, dparams->size,
(void *)buf);
if (rc != 0)
goto done;
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 */
rc = sysctl_wire_old_buffer(req, 0);
if (rc != 0)
goto done;
sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req);
if (sb == NULL) {
rc = ENOMEM;
goto done;
}
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 < ARRAY_SIZE(devlog_level_strings) ?
devlog_level_strings[e->level] : "UNKNOWN"),
(e->facility < ARRAY_SIZE(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);
rc = sbuf_finish(sb);
sbuf_delete(sb);
done:
free(buf, M_CXGBE);
return (rc);
}
static int
sysctl_fcoe_stats(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
struct tp_fcoe_stats stats[4];
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);
t4_get_fcoe_stats(sc, 0, &stats[0]);
t4_get_fcoe_stats(sc, 1, &stats[1]);
t4_get_fcoe_stats(sc, 2, &stats[2]);
t4_get_fcoe_stats(sc, 3, &stats[3]);
sbuf_printf(sb, " channel 0 channel 1 "
"channel 2 channel 3\n");
sbuf_printf(sb, "octetsDDP: %16ju %16ju %16ju %16ju\n",
stats[0].octetsDDP, stats[1].octetsDDP, stats[2].octetsDDP,
stats[3].octetsDDP);
sbuf_printf(sb, "framesDDP: %16u %16u %16u %16u\n", stats[0].framesDDP,
stats[1].framesDDP, stats[2].framesDDP, stats[3].framesDDP);
sbuf_printf(sb, "framesDrop: %16u %16u %16u %16u",
stats[0].framesDrop, stats[1].framesDrop, stats[2].framesDrop,
stats[3].framesDrop);
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, 256, req);
if (sb == NULL)
return (ENOMEM);
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);
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);
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 < 4; i += 2) {
t4_get_lb_stats(sc, i, &s[0]);
t4_get_lb_stats(sc, i + 1, &s[1]);
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 < ARRAY_SIZE(stat_name); j++)
sbuf_printf(sb, "\n%-17s %20ju %20ju", stat_name[j],
*p0++, *p1++);
}
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;
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;
static const char *memory[] = { "EDC0:", "EDC1:", "MC:" };
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:", "ULPRX state:",
"ULPTX state:", "On-chip queues:"
};
struct mem_desc avail[3];
struct mem_desc mem[ARRAY_SIZE(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 < ARRAY_SIZE(mem); i++) {
mem[i].limit = 0;
mem[i].idx = i;
}
/* 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 = 2;
i++;
}
if (!i) /* no memory available */
return 0;
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) {
hi = t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4;
md->base = t4_read_reg(sc, A_LE_DB_HASH_TID_BASE);
md->limit = (sc->tids.ntids - hi) * 16 + md->base - 1;
} else {
md->base = 0;
md->idx = ARRAY_SIZE(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 = t4_read_reg(sc, A_ULP_RX_CTX_BASE);
md->limit = md->base + sc->tids.ntids - 1;
md++;
md->base = t4_read_reg(sc, A_ULP_TX_ERR_TABLE_BASE);
md->limit = md->base + sc->tids.ntids - 1;
md++;
md->base = sc->vres.ocq.start;
if (sc->vres.ocq.size)
md->limit = md->base + sc->vres.ocq.size - 1;
else
md->idx = ARRAY_SIZE(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 >= ARRAY_SIZE(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++) {
lo = t4_read_reg(sc, A_MPS_RX_PG_RSV0 + i * 4);
sbuf_printf(sb, "\nPort %d using %u pages out of %u allocated",
i, G_USED(lo), G_ALLOC(lo));
}
for (i = 0; i < 4; i++) {
lo = t4_read_reg(sc, A_MPS_RX_PG_RSV4 + i * 4);
sbuf_printf(sb,
"\nLoopback %d using %u pages out of %u allocated",
i, G_USED(lo), G_ALLOC(lo));
}
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);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
t4_read_mtu_tbl(sc, mtus, NULL);
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[PM_NSTATS], rx_cnt[PM_NSTATS];
uint64_t tx_cyc[PM_NSTATS], rx_cyc[PM_NSTATS];
static const char *pm_stats[] = {
"Read:", "Write bypass:", "Write mem:", "Flush:", "FIFO wait:"
};
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);
t4_pmtx_get_stats(sc, tx_cnt, tx_cyc);
t4_pmrx_get_stats(sc, rx_cnt, rx_cyc);
sbuf_printf(sb, " Tx count Tx cycles "
"Rx count Rx cycles");
for (i = 0; i < PM_NSTATS; i++)
sbuf_printf(sb, "\n%-13s %10u %20ju %10u %20ju",
pm_stats[i], tx_cnt[i], tx_cyc[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);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
t4_tp_get_rdma_stats(sc, &stats);
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);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
t4_tp_get_tcp_stats(sc, &v4, &v6);
sbuf_printf(sb,
" IP IPv6\n");
sbuf_printf(sb, "OutRsts: %20u %20u\n",
v4.tcpOutRsts, v6.tcpOutRsts);
sbuf_printf(sb, "InSegs: %20ju %20ju\n",
v4.tcpInSegs, v6.tcpInSegs);
sbuf_printf(sb, "OutSegs: %20ju %20ju\n",
v4.tcpOutSegs, v6.tcpOutSegs);
sbuf_printf(sb, "RetransSegs: %20ju %20ju",
v4.tcpRetransSegs, v6.tcpRetransSegs);
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;
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->ntids) {
if (t4_read_reg(sc, A_LE_DB_CONFIG) & F_HASHEN) {
uint32_t b = t4_read_reg(sc, A_LE_DB_SERVER_INDEX) / 4;
if (b) {
sbuf_printf(sb, "TID range: 0-%u, %u-%u", b - 1,
t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4,
t->ntids - 1);
} else {
sbuf_printf(sb, "TID range: %u-%u",
t4_read_reg(sc, A_LE_DB_TID_HASHBASE) / 4,
t->ntids - 1);
}
} else
sbuf_printf(sb, "TID range: 0-%u", 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\n", t->ftid_base,
t->ftid_base + t->nftids - 1);
}
sbuf_printf(sb, "HW TID usage: %u IP users, %u IPv6 users",
t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV4),
t4_read_reg(sc, A_LE_DB_ACT_CNT_IPV6));
rc = 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);
sb = sbuf_new_for_sysctl(NULL, NULL, 256, req);
if (sb == NULL)
return (ENOMEM);
t4_tp_get_err_stats(sc, &stats);
sbuf_printf(sb, " channel 0 channel 1 channel 2 "
"channel 3\n");
sbuf_printf(sb, "macInErrs: %10u %10u %10u %10u\n",
stats.macInErrs[0], stats.macInErrs[1], stats.macInErrs[2],
stats.macInErrs[3]);
sbuf_printf(sb, "hdrInErrs: %10u %10u %10u %10u\n",
stats.hdrInErrs[0], stats.hdrInErrs[1], stats.hdrInErrs[2],
stats.hdrInErrs[3]);
sbuf_printf(sb, "tcpInErrs: %10u %10u %10u %10u\n",
stats.tcpInErrs[0], stats.tcpInErrs[1], stats.tcpInErrs[2],
stats.tcpInErrs[3]);
sbuf_printf(sb, "tcp6InErrs: %10u %10u %10u %10u\n",
stats.tcp6InErrs[0], stats.tcp6InErrs[1], stats.tcp6InErrs[2],
stats.tcp6InErrs[3]);
sbuf_printf(sb, "tnlCongDrops: %10u %10u %10u %10u\n",
stats.tnlCongDrops[0], stats.tnlCongDrops[1], stats.tnlCongDrops[2],
stats.tnlCongDrops[3]);
sbuf_printf(sb, "tnlTxDrops: %10u %10u %10u %10u\n",
stats.tnlTxDrops[0], stats.tnlTxDrops[1], stats.tnlTxDrops[2],
stats.tnlTxDrops[3]);
sbuf_printf(sb, "ofldVlanDrops: %10u %10u %10u %10u\n",
stats.ofldVlanDrops[0], stats.ofldVlanDrops[1],
stats.ofldVlanDrops[2], stats.ofldVlanDrops[3]);
sbuf_printf(sb, "ofldChanDrops: %10u %10u %10u %10u\n\n",
stats.ofldChanDrops[0], stats.ofldChanDrops[1],
stats.ofldChanDrops[2], stats.ofldChanDrops[3]);
sbuf_printf(sb, "ofldNoNeigh: %u\nofldCongDefer: %u",
stats.ofldNoNeigh, stats.ofldCongDefer);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
static int
sysctl_tx_rate(SYSCTL_HANDLER_ARGS)
{
struct adapter *sc = arg1;
struct sbuf *sb;
int rc;
u64 nrate[NCHAN], orate[NCHAN];
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);
t4_get_chan_txrate(sc, nrate, orate);
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]);
rc = sbuf_finish(sb);
sbuf_delete(sb);
return (rc);
}
#endif
static inline void
txq_start(struct ifnet *ifp, struct sge_txq *txq)
{
struct buf_ring *br;
struct mbuf *m;
TXQ_LOCK_ASSERT_OWNED(txq);
br = txq->br;
m = txq->m ? txq->m : drbr_dequeue(ifp, br);
if (m)
t4_eth_tx(ifp, txq, m);
}
void
t4_tx_callout(void *arg)
{
struct sge_eq *eq = arg;
struct adapter *sc;
if (EQ_TRYLOCK(eq) == 0)
goto reschedule;
if (eq->flags & EQ_STALLED && !can_resume_tx(eq)) {
EQ_UNLOCK(eq);
reschedule:
if (__predict_true(!(eq->flags && EQ_DOOMED)))
callout_schedule(&eq->tx_callout, 1);
return;
}
EQ_LOCK_ASSERT_OWNED(eq);
if (__predict_true((eq->flags & EQ_DOOMED) == 0)) {
if ((eq->flags & EQ_TYPEMASK) == EQ_ETH) {
struct sge_txq *txq = arg;
struct port_info *pi = txq->ifp->if_softc;
sc = pi->adapter;
} else {
struct sge_wrq *wrq = arg;
sc = wrq->adapter;
}
taskqueue_enqueue(sc->tq[eq->tx_chan], &eq->tx_task);
}
EQ_UNLOCK(eq);
}
void
t4_tx_task(void *arg, int count)
{
struct sge_eq *eq = arg;
EQ_LOCK(eq);
if ((eq->flags & EQ_TYPEMASK) == EQ_ETH) {
struct sge_txq *txq = arg;
txq_start(txq->ifp, txq);
} else {
struct sge_wrq *wrq = arg;
t4_wrq_tx_locked(wrq->adapter, wrq, NULL);
}
EQ_UNLOCK(eq);
}
static uint32_t
fconf_to_mode(uint32_t fconf)
{
uint32_t mode;
mode = T4_FILTER_IPv4 | T4_FILTER_IPv6 | T4_FILTER_IP_SADDR |
T4_FILTER_IP_DADDR | T4_FILTER_IP_SPORT | T4_FILTER_IP_DPORT;
if (fconf & F_FRAGMENTATION)
mode |= T4_FILTER_IP_FRAGMENT;
if (fconf & F_MPSHITTYPE)
mode |= T4_FILTER_MPS_HIT_TYPE;
if (fconf & F_MACMATCH)
mode |= T4_FILTER_MAC_IDX;
if (fconf & F_ETHERTYPE)
mode |= T4_FILTER_ETH_TYPE;
if (fconf & F_PROTOCOL)
mode |= T4_FILTER_IP_PROTO;
if (fconf & F_TOS)
mode |= T4_FILTER_IP_TOS;
if (fconf & F_VLAN)
mode |= T4_FILTER_VLAN;
if (fconf & F_VNIC_ID)
mode |= T4_FILTER_VNIC;
if (fconf & F_PORT)
mode |= T4_FILTER_PORT;
if (fconf & F_FCOE)
mode |= T4_FILTER_FCoE;
return (mode);
}
static uint32_t
mode_to_fconf(uint32_t mode)
{
uint32_t fconf = 0;
if (mode & T4_FILTER_IP_FRAGMENT)
fconf |= F_FRAGMENTATION;
if (mode & T4_FILTER_MPS_HIT_TYPE)
fconf |= F_MPSHITTYPE;
if (mode & T4_FILTER_MAC_IDX)
fconf |= F_MACMATCH;
if (mode & T4_FILTER_ETH_TYPE)
fconf |= F_ETHERTYPE;
if (mode & T4_FILTER_IP_PROTO)
fconf |= F_PROTOCOL;
if (mode & T4_FILTER_IP_TOS)
fconf |= F_TOS;
if (mode & T4_FILTER_VLAN)
fconf |= F_VLAN;
if (mode & T4_FILTER_VNIC)
fconf |= F_VNIC_ID;
if (mode & T4_FILTER_PORT)
fconf |= F_PORT;
if (mode & T4_FILTER_FCoE)
fconf |= F_FCOE;
return (fconf);
}
static uint32_t
fspec_to_fconf(struct t4_filter_specification *fs)
{
uint32_t fconf = 0;
if (fs->val.frag || fs->mask.frag)
fconf |= F_FRAGMENTATION;
if (fs->val.matchtype || fs->mask.matchtype)
fconf |= F_MPSHITTYPE;
if (fs->val.macidx || fs->mask.macidx)
fconf |= F_MACMATCH;
if (fs->val.ethtype || fs->mask.ethtype)
fconf |= F_ETHERTYPE;
if (fs->val.proto || fs->mask.proto)
fconf |= F_PROTOCOL;
if (fs->val.tos || fs->mask.tos)
fconf |= F_TOS;
if (fs->val.vlan_vld || fs->mask.vlan_vld)
fconf |= F_VLAN;
if (fs->val.vnic_vld || fs->mask.vnic_vld)
fconf |= F_VNIC_ID;
if (fs->val.iport || fs->mask.iport)
fconf |= F_PORT;
if (fs->val.fcoe || fs->mask.fcoe)
fconf |= F_FCOE;
return (fconf);
}
static int
get_filter_mode(struct adapter *sc, uint32_t *mode)
{
uint32_t fconf;
t4_read_indirect(sc, A_TP_PIO_ADDR, A_TP_PIO_DATA, &fconf, 1,
A_TP_VLAN_PRI_MAP);
if (sc->filter_mode != fconf) {
log(LOG_WARNING, "%s: cached filter mode out of sync %x %x.\n",
device_get_nameunit(sc->dev), sc->filter_mode, fconf);
sc->filter_mode = fconf;
}
*mode = fconf_to_mode(sc->filter_mode);
return (0);
}
static int
set_filter_mode(struct adapter *sc, uint32_t mode)
{
uint32_t fconf;
int rc;
fconf = mode_to_fconf(mode);
ADAPTER_LOCK(sc);
if (IS_BUSY(sc)) {
rc = EAGAIN;
goto done;
}
if (sc->tids.ftids_in_use > 0) {
rc = EBUSY;
goto done;
}
#ifndef TCP_OFFLOAD_DISABLE
if (sc->offload_map) {
rc = EBUSY;
goto done;
}
#endif
#ifdef notyet
rc = -t4_set_filter_mode(sc, fconf);
if (rc == 0)
sc->filter_mode = fconf;
#else
rc = ENOTSUP;
#endif
done:
ADAPTER_UNLOCK(sc);
return (rc);
}
static inline uint64_t
get_filter_hits(struct adapter *sc, uint32_t fid)
{
uint32_t tcb_base = t4_read_reg(sc, A_TP_CMM_TCB_BASE);
uint64_t hits;
t4_write_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 0),
tcb_base + (fid + sc->tids.ftid_base) * TCB_SIZE);
t4_read_reg(sc, PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 0));
hits = t4_read_reg64(sc, MEMWIN0_BASE + 16);
return (be64toh(hits));
}
static int
get_filter(struct adapter *sc, struct t4_filter *t)
{
int i, nfilters = sc->tids.nftids;
struct filter_entry *f;
ADAPTER_LOCK_ASSERT_OWNED(sc);
if (IS_BUSY(sc))
return (EAGAIN);
if (sc->tids.ftids_in_use == 0 || sc->tids.ftid_tab == NULL ||
t->idx >= nfilters) {
t->idx = 0xffffffff;
return (0);
}
f = &sc->tids.ftid_tab[t->idx];
for (i = t->idx; i < nfilters; i++, f++) {
if (f->valid) {
t->idx = i;
t->l2tidx = f->l2t ? f->l2t->idx : 0;
t->smtidx = f->smtidx;
if (f->fs.hitcnts)
t->hits = get_filter_hits(sc, t->idx);
else
t->hits = UINT64_MAX;
t->fs = f->fs;
return (0);
}
}
t->idx = 0xffffffff;
return (0);
}
static int
set_filter(struct adapter *sc, struct t4_filter *t)
{
unsigned int nfilters, nports;
struct filter_entry *f;
int i;
ADAPTER_LOCK_ASSERT_OWNED(sc);
nfilters = sc->tids.nftids;
nports = sc->params.nports;
if (nfilters == 0)
return (ENOTSUP);
if (!(sc->flags & FULL_INIT_DONE))
return (EAGAIN);
if (t->idx >= nfilters)
return (EINVAL);
/* Validate against the global filter mode */
if ((sc->filter_mode | fspec_to_fconf(&t->fs)) != sc->filter_mode)
return (E2BIG);
if (t->fs.action == FILTER_SWITCH && t->fs.eport >= nports)
return (EINVAL);
if (t->fs.val.iport >= nports)
return (EINVAL);
/* Can't specify an iq if not steering to it */
if (!t->fs.dirsteer && t->fs.iq)
return (EINVAL);
/* IPv6 filter idx must be 4 aligned */
if (t->fs.type == 1 &&
((t->idx & 0x3) || t->idx + 4 >= nfilters))
return (EINVAL);
if (sc->tids.ftid_tab == NULL) {
KASSERT(sc->tids.ftids_in_use == 0,
("%s: no memory allocated but filters_in_use > 0",
__func__));
sc->tids.ftid_tab = malloc(sizeof (struct filter_entry) *
nfilters, M_CXGBE, M_NOWAIT | M_ZERO);
if (sc->tids.ftid_tab == NULL)
return (ENOMEM);
}
for (i = 0; i < 4; i++) {
f = &sc->tids.ftid_tab[t->idx + i];
if (f->pending || f->valid)
return (EBUSY);
if (f->locked)
return (EPERM);
if (t->fs.type == 0)
break;
}
f = &sc->tids.ftid_tab[t->idx];
f->fs = t->fs;
return set_filter_wr(sc, t->idx);
}
static int
del_filter(struct adapter *sc, struct t4_filter *t)
{
unsigned int nfilters;
struct filter_entry *f;
ADAPTER_LOCK_ASSERT_OWNED(sc);
if (IS_BUSY(sc))
return (EAGAIN);
nfilters = sc->tids.nftids;
if (nfilters == 0)
return (ENOTSUP);
if (sc->tids.ftid_tab == NULL || sc->tids.ftids_in_use == 0 ||
t->idx >= nfilters)
return (EINVAL);
if (!(sc->flags & FULL_INIT_DONE))
return (EAGAIN);
f = &sc->tids.ftid_tab[t->idx];
if (f->pending)
return (EBUSY);
if (f->locked)
return (EPERM);
if (f->valid) {
t->fs = f->fs; /* extra info for the caller */
return del_filter_wr(sc, t->idx);
}
return (0);
}
static void
clear_filter(struct filter_entry *f)
{
if (f->l2t)
t4_l2t_release(f->l2t);
bzero(f, sizeof (*f));
}
static int
set_filter_wr(struct adapter *sc, int fidx)
{
struct filter_entry *f = &sc->tids.ftid_tab[fidx];
struct mbuf *m;
struct fw_filter_wr *fwr;
unsigned int ftid;
ADAPTER_LOCK_ASSERT_OWNED(sc);
if (f->fs.newdmac || f->fs.newvlan) {
/* This filter needs an L2T entry; allocate one. */
f->l2t = t4_l2t_alloc_switching(sc->l2t);
if (f->l2t == NULL)
return (EAGAIN);
if (t4_l2t_set_switching(sc, f->l2t, f->fs.vlan, f->fs.eport,
f->fs.dmac)) {
t4_l2t_release(f->l2t);
f->l2t = NULL;
return (ENOMEM);
}
}
ftid = sc->tids.ftid_base + fidx;
m = m_gethdr(M_NOWAIT, MT_DATA);
if (m == NULL)
return (ENOMEM);
fwr = mtod(m, struct fw_filter_wr *);
m->m_len = m->m_pkthdr.len = sizeof(*fwr);
bzero(fwr, sizeof (*fwr));
fwr->op_pkd = htobe32(V_FW_WR_OP(FW_FILTER_WR));
fwr->len16_pkd = htobe32(FW_LEN16(*fwr));
fwr->tid_to_iq =
htobe32(V_FW_FILTER_WR_TID(ftid) |
V_FW_FILTER_WR_RQTYPE(f->fs.type) |
V_FW_FILTER_WR_NOREPLY(0) |
V_FW_FILTER_WR_IQ(f->fs.iq));
fwr->del_filter_to_l2tix =
htobe32(V_FW_FILTER_WR_RPTTID(f->fs.rpttid) |
V_FW_FILTER_WR_DROP(f->fs.action == FILTER_DROP) |
V_FW_FILTER_WR_DIRSTEER(f->fs.dirsteer) |
V_FW_FILTER_WR_MASKHASH(f->fs.maskhash) |
V_FW_FILTER_WR_DIRSTEERHASH(f->fs.dirsteerhash) |
V_FW_FILTER_WR_LPBK(f->fs.action == FILTER_SWITCH) |
V_FW_FILTER_WR_DMAC(f->fs.newdmac) |
V_FW_FILTER_WR_SMAC(f->fs.newsmac) |
V_FW_FILTER_WR_INSVLAN(f->fs.newvlan == VLAN_INSERT ||
f->fs.newvlan == VLAN_REWRITE) |
V_FW_FILTER_WR_RMVLAN(f->fs.newvlan == VLAN_REMOVE ||
f->fs.newvlan == VLAN_REWRITE) |
V_FW_FILTER_WR_HITCNTS(f->fs.hitcnts) |
V_FW_FILTER_WR_TXCHAN(f->fs.eport) |
V_FW_FILTER_WR_PRIO(f->fs.prio) |
V_FW_FILTER_WR_L2TIX(f->l2t ? f->l2t->idx : 0));
fwr->ethtype = htobe16(f->fs.val.ethtype);
fwr->ethtypem = htobe16(f->fs.mask.ethtype);
fwr->frag_to_ovlan_vldm =
(V_FW_FILTER_WR_FRAG(f->fs.val.frag) |
V_FW_FILTER_WR_FRAGM(f->fs.mask.frag) |
V_FW_FILTER_WR_IVLAN_VLD(f->fs.val.vlan_vld) |
V_FW_FILTER_WR_OVLAN_VLD(f->fs.val.vnic_vld) |
V_FW_FILTER_WR_IVLAN_VLDM(f->fs.mask.vlan_vld) |
V_FW_FILTER_WR_OVLAN_VLDM(f->fs.mask.vnic_vld));
fwr->smac_sel = 0;
fwr->rx_chan_rx_rpl_iq = htobe16(V_FW_FILTER_WR_RX_CHAN(0) |
V_FW_FILTER_WR_RX_RPL_IQ(sc->sge.fwq.abs_id));
fwr->maci_to_matchtypem =
htobe32(V_FW_FILTER_WR_MACI(f->fs.val.macidx) |
V_FW_FILTER_WR_MACIM(f->fs.mask.macidx) |
V_FW_FILTER_WR_FCOE(f->fs.val.fcoe) |
V_FW_FILTER_WR_FCOEM(f->fs.mask.fcoe) |
V_FW_FILTER_WR_PORT(f->fs.val.iport) |
V_FW_FILTER_WR_PORTM(f->fs.mask.iport) |
V_FW_FILTER_WR_MATCHTYPE(f->fs.val.matchtype) |
V_FW_FILTER_WR_MATCHTYPEM(f->fs.mask.matchtype));
fwr->ptcl = f->fs.val.proto;
fwr->ptclm = f->fs.mask.proto;
fwr->ttyp = f->fs.val.tos;
fwr->ttypm = f->fs.mask.tos;
fwr->ivlan = htobe16(f->fs.val.vlan);
fwr->ivlanm = htobe16(f->fs.mask.vlan);
fwr->ovlan = htobe16(f->fs.val.vnic);
fwr->ovlanm = htobe16(f->fs.mask.vnic);
bcopy(f->fs.val.dip, fwr->lip, sizeof (fwr->lip));
bcopy(f->fs.mask.dip, fwr->lipm, sizeof (fwr->lipm));
bcopy(f->fs.val.sip, fwr->fip, sizeof (fwr->fip));
bcopy(f->fs.mask.sip, fwr->fipm, sizeof (fwr->fipm));
fwr->lp = htobe16(f->fs.val.dport);
fwr->lpm = htobe16(f->fs.mask.dport);
fwr->fp = htobe16(f->fs.val.sport);
fwr->fpm = htobe16(f->fs.mask.sport);
if (f->fs.newsmac)
bcopy(f->fs.smac, fwr->sma, sizeof (fwr->sma));
f->pending = 1;
sc->tids.ftids_in_use++;
t4_mgmt_tx(sc, m);
return (0);
}
static int
del_filter_wr(struct adapter *sc, int fidx)
{
struct filter_entry *f = &sc->tids.ftid_tab[fidx];
struct mbuf *m;
struct fw_filter_wr *fwr;
unsigned int ftid;
ADAPTER_LOCK_ASSERT_OWNED(sc);
ftid = sc->tids.ftid_base + fidx;
m = m_gethdr(M_NOWAIT, MT_DATA);
if (m == NULL)
return (ENOMEM);
fwr = mtod(m, struct fw_filter_wr *);
m->m_len = m->m_pkthdr.len = sizeof(*fwr);
bzero(fwr, sizeof (*fwr));
t4_mk_filtdelwr(ftid, fwr, sc->sge.fwq.abs_id);
f->pending = 1;
t4_mgmt_tx(sc, m);
return (0);
}
static int
filter_rpl(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m)
{
struct adapter *sc = iq->adapter;
const struct cpl_set_tcb_rpl *rpl = (const void *)(rss + 1);
unsigned int idx = GET_TID(rpl);
KASSERT(m == NULL, ("%s: payload with opcode %02x", __func__,
rss->opcode));
if (idx >= sc->tids.ftid_base &&
(idx -= sc->tids.ftid_base) < sc->tids.nftids) {
unsigned int rc = G_COOKIE(rpl->cookie);
struct filter_entry *f = &sc->tids.ftid_tab[idx];
ADAPTER_LOCK(sc);
if (rc == FW_FILTER_WR_FLT_ADDED) {
f->smtidx = (be64toh(rpl->oldval) >> 24) & 0xff;
f->pending = 0; /* asynchronous setup completed */
f->valid = 1;
} else {
if (rc != FW_FILTER_WR_FLT_DELETED) {
/* Add or delete failed, display an error */
log(LOG_ERR,
"filter %u setup failed with error %u\n",
idx, rc);
}
clear_filter(f);
sc->tids.ftids_in_use--;
}
ADAPTER_UNLOCK(sc);
}
return (0);
}
static int
get_sge_context(struct adapter *sc, struct t4_sge_context *cntxt)
{
int rc = EINVAL;
if (cntxt->cid > M_CTXTQID)
return (rc);
if (cntxt->mem_id != CTXT_EGRESS && cntxt->mem_id != CTXT_INGRESS &&
cntxt->mem_id != CTXT_FLM && cntxt->mem_id != CTXT_CNM)
return (rc);
if (sc->flags & FW_OK) {
ADAPTER_LOCK(sc); /* Avoid parallel t4_wr_mbox */
rc = -t4_sge_ctxt_rd(sc, sc->mbox, cntxt->cid, cntxt->mem_id,
&cntxt->data[0]);
ADAPTER_UNLOCK(sc);
}
if (rc != 0) {
/* Read via firmware failed or wasn't even attempted */
rc = -t4_sge_ctxt_rd_bd(sc, cntxt->cid, cntxt->mem_id,
&cntxt->data[0]);
}
return (rc);
}
static int
read_card_mem(struct adapter *sc, struct t4_mem_range *mr)
{
uint32_t base, size, lo, hi, win, off, remaining, i, n;
uint32_t *buf, *b;
int rc;
/* reads are in multiples of 32 bits */
if (mr->addr & 3 || mr->len & 3 || mr->len == 0)
return (EINVAL);
/*
* We don't want to deal with potential holes so we mandate that the
* requested region must lie entirely within one of the 3 memories.
*/
lo = t4_read_reg(sc, A_MA_TARGET_MEM_ENABLE);
if (lo & F_EDRAM0_ENABLE) {
hi = t4_read_reg(sc, A_MA_EDRAM0_BAR);
base = G_EDRAM0_BASE(hi) << 20;
size = G_EDRAM0_SIZE(hi) << 20;
if (size > 0 &&
mr->addr >= base && mr->addr < base + size &&
mr->addr + mr->len <= base + size)
goto proceed;
}
if (lo & F_EDRAM1_ENABLE) {
hi = t4_read_reg(sc, A_MA_EDRAM1_BAR);
base = G_EDRAM1_BASE(hi) << 20;
size = G_EDRAM1_SIZE(hi) << 20;
if (size > 0 &&
mr->addr >= base && mr->addr < base + size &&
mr->addr + mr->len <= base + size)
goto proceed;
}
if (lo & F_EXT_MEM_ENABLE) {
hi = t4_read_reg(sc, A_MA_EXT_MEMORY_BAR);
base = G_EXT_MEM_BASE(hi) << 20;
size = G_EXT_MEM_SIZE(hi) << 20;
if (size > 0 &&
mr->addr >= base && mr->addr < base + size &&
mr->addr + mr->len <= base + size)
goto proceed;
}
return (ENXIO);
proceed:
buf = b = malloc(mr->len, M_CXGBE, M_WAITOK);
/*
* Position the PCIe window (we use memwin2) to the 16B aligned area
* just at/before the requested region.
*/
win = mr->addr & ~0xf;
off = mr->addr - win; /* offset of the requested region in the win */
remaining = mr->len;
while (remaining) {
t4_write_reg(sc,
PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2), win);
t4_read_reg(sc,
PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_OFFSET, 2));
/* number of bytes that we'll copy in the inner loop */
n = min(remaining, MEMWIN2_APERTURE - off);
for (i = 0; i < n; i += 4, remaining -= 4)
*b++ = t4_read_reg(sc, MEMWIN2_BASE + off + i);
win += MEMWIN2_APERTURE;
off = 0;
}
rc = copyout(buf, mr->data, mr->len);
free(buf, M_CXGBE);
return (rc);
}
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(const struct adapter *sc, int idx)
{
struct port_info *pi = sc->port[idx];
static const char *mod_str[] = {
NULL, "LR", "SR", "ER", "TWINAX", "active TWINAX", "LRM"
};
if (pi->mod_type == FW_PORT_MOD_TYPE_NONE)
if_printf(pi->ifp, "transceiver unplugged.\n");
else if (pi->mod_type == FW_PORT_MOD_TYPE_UNKNOWN)
if_printf(pi->ifp, "unknown transceiver inserted.\n");
else if (pi->mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED)
if_printf(pi->ifp, "unsupported transceiver inserted.\n");
else if (pi->mod_type > 0 && pi->mod_type < ARRAY_SIZE(mod_str)) {
if_printf(pi->ifp, "%s transceiver inserted.\n",
mod_str[pi->mod_type]);
} else {
if_printf(pi->ifp, "transceiver (type %d) inserted.\n",
pi->mod_type);
}
}
void
t4_os_link_changed(struct adapter *sc, int idx, int link_stat)
{
struct port_info *pi = sc->port[idx];
struct ifnet *ifp = pi->ifp;
if (link_stat) {
ifp->if_baudrate = IF_Mbps(pi->link_cfg.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;
mtx_lock(&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);
}
mtx_unlock(&t4_list_lock);
}
static int
t4_open(struct cdev *dev, int flags, int type, struct thread *td)
{
return (0);
}
static int
t4_close(struct cdev *dev, int flags, int type, struct thread *td)
{
return (0);
}
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);
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
return (EINVAL);
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);
if (edata->size == 4) {
if (edata->val & 0xffffffff00000000)
return (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
return (EINVAL);
break;
}
case CHELSIO_T4_REGDUMP: {
struct t4_regdump *regs = (struct t4_regdump *)data;
int reglen = T4_REGDUMP_SIZE;
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);
t4_get_regs(sc, regs, buf);
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_GET_FILTER:
ADAPTER_LOCK(sc);
rc = get_filter(sc, (struct t4_filter *)data);
ADAPTER_UNLOCK(sc);
break;
case CHELSIO_T4_SET_FILTER:
ADAPTER_LOCK(sc);
rc = set_filter(sc, (struct t4_filter *)data);
ADAPTER_UNLOCK(sc);
break;
case CHELSIO_T4_DEL_FILTER:
ADAPTER_LOCK(sc);
rc = del_filter(sc, (struct t4_filter *)data);
ADAPTER_UNLOCK(sc);
break;
case CHELSIO_T4_GET_SGE_CONTEXT:
rc = get_sge_context(sc, (struct t4_sge_context *)data);
break;
case CHELSIO_T4_LOAD_FW: {
struct t4_data *fw = (struct t4_data *)data;
uint8_t *fw_data;
if (sc->flags & FULL_INIT_DONE)
return (EBUSY);
fw_data = malloc(fw->len, M_CXGBE, M_NOWAIT);
if (fw_data == NULL)
return (ENOMEM);
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);
break;
}
case CHELSIO_T4_GET_MEM:
rc = read_card_mem(sc, (struct t4_mem_range *)data);
break;
default:
rc = EINVAL;
}
return (rc);
}
#ifndef TCP_OFFLOAD_DISABLE
static int
toe_capability(struct port_info *pi, int enable)
{
int rc;
struct adapter *sc = pi->adapter;
ADAPTER_LOCK_ASSERT_OWNED(sc);
if (!is_offload(sc))
return (ENODEV);
if (enable) {
if (isset(&sc->offload_map, pi->port_id))
return (0);
if (sc->offload_map == 0) {
rc = activate_uld(sc, ULD_TOM, &sc->tom);
if (rc != 0)
return (rc);
}
setbit(&sc->offload_map, pi->port_id);
} else {
if (!isset(&sc->offload_map, pi->port_id))
return (0);
clrbit(&sc->offload_map, pi->port_id);
if (sc->offload_map == 0) {
rc = deactivate_uld(&sc->tom);
if (rc != 0) {
setbit(&sc->offload_map, pi->port_id);
return (rc);
}
}
}
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;
mtx_lock(&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:
mtx_unlock(&t4_uld_list_lock);
return (rc);
}
int
t4_unregister_uld(struct uld_info *ui)
{
int rc = EINVAL;
struct uld_info *u;
mtx_lock(&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:
mtx_unlock(&t4_uld_list_lock);
return (rc);
}
static int
activate_uld(struct adapter *sc, int id, struct uld_softc *usc)
{
int rc = EAGAIN;
struct uld_info *ui;
mtx_lock(&t4_uld_list_lock);
SLIST_FOREACH(ui, &t4_uld_list, link) {
if (ui->uld_id == id) {
rc = ui->attach(sc, &usc->softc);
if (rc == 0) {
KASSERT(usc->softc != NULL,
("%s: ULD %d has no state", __func__, id));
ui->refcount++;
usc->uld = ui;
}
goto done;
}
}
done:
mtx_unlock(&t4_uld_list_lock);
return (rc);
}
static int
deactivate_uld(struct uld_softc *usc)
{
int rc;
mtx_lock(&t4_uld_list_lock);
if (usc->uld == NULL || usc->softc == NULL) {
rc = EINVAL;
goto done;
}
rc = usc->uld->detach(usc->softc);
if (rc == 0) {
KASSERT(usc->uld->refcount > 0,
("%s: ULD has bad refcount", __func__));
usc->uld->refcount--;
usc->uld = NULL;
usc->softc = NULL;
}
done:
mtx_unlock(&t4_uld_list_lock);
return (rc);
}
#endif
/*
* 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_ntxq10g < 1)
t4_ntxq10g = min(nc, NTXQ_10G);
if (t4_ntxq1g < 1)
t4_ntxq1g = min(nc, NTXQ_1G);
if (t4_nrxq10g < 1)
t4_nrxq10g = min(nc, NRXQ_10G);
if (t4_nrxq1g < 1)
t4_nrxq1g = min(nc, NRXQ_1G);
#ifndef TCP_OFFLOAD_DISABLE
if (t4_nofldtxq10g < 1)
t4_nofldtxq10g = min(nc, NOFLDTXQ_10G);
if (t4_nofldtxq1g < 1)
t4_nofldtxq1g = min(nc, NOFLDTXQ_1G);
if (t4_nofldrxq10g < 1)
t4_nofldrxq10g = min(nc, NOFLDRXQ_10G);
if (t4_nofldrxq1g < 1)
t4_nofldrxq1g = min(nc, NOFLDRXQ_1G);
#endif
if (t4_tmr_idx_10g < 0 || t4_tmr_idx_10g >= SGE_NTIMERS)
t4_tmr_idx_10g = TMR_IDX_10G;
if (t4_pktc_idx_10g < -1 || t4_pktc_idx_10g >= SGE_NCOUNTERS)
t4_pktc_idx_10g = PKTC_IDX_10G;
if (t4_tmr_idx_1g < 0 || t4_tmr_idx_1g >= SGE_NTIMERS)
t4_tmr_idx_1g = TMR_IDX_1G;
if (t4_pktc_idx_1g < -1 || t4_pktc_idx_1g >= SGE_NCOUNTERS)
t4_pktc_idx_1g = PKTC_IDX_1G;
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;
}
static int
t4_mod_event(module_t mod, int cmd, void *arg)
{
int rc = 0;
switch (cmd) {
case MOD_LOAD:
t4_sge_modload();
mtx_init(&t4_list_lock, "T4 adapters", 0, MTX_DEF);
SLIST_INIT(&t4_list);
#ifndef TCP_OFFLOAD_DISABLE
mtx_init(&t4_uld_list_lock, "T4 ULDs", 0, MTX_DEF);
SLIST_INIT(&t4_uld_list);
#endif
tweak_tunables();
break;
case MOD_UNLOAD:
#ifndef TCP_OFFLOAD_DISABLE
mtx_lock(&t4_uld_list_lock);
if (!SLIST_EMPTY(&t4_uld_list)) {
rc = EBUSY;
mtx_unlock(&t4_uld_list_lock);
break;
}
mtx_unlock(&t4_uld_list_lock);
mtx_destroy(&t4_uld_list_lock);
#endif
mtx_lock(&t4_list_lock);
if (!SLIST_EMPTY(&t4_list)) {
rc = EBUSY;
mtx_unlock(&t4_list_lock);
break;
}
mtx_unlock(&t4_list_lock);
mtx_destroy(&t4_list_lock);
break;
}
return (rc);
}
static devclass_t t4_devclass;
static devclass_t cxgbe_devclass;
DRIVER_MODULE(t4nex, pci, t4_driver, t4_devclass, t4_mod_event, 0);
MODULE_VERSION(t4nex, 1);
DRIVER_MODULE(cxgbe, t4nex, cxgbe_driver, cxgbe_devclass, 0, 0);
MODULE_VERSION(cxgbe, 1);
Reference in New Issue View Git Blame Copy Permalink