1569 lines
44 KiB
C
1569 lines
44 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2011 Chelsio Communications, Inc.
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* All rights reserved.
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* Written by: Navdeep Parhar <np@FreeBSD.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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*/
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#ifndef __T4_ADAPTER_H__
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#define __T4_ADAPTER_H__
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#include <sys/kernel.h>
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#include <sys/bus.h>
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#include <sys/counter.h>
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#include <sys/rman.h>
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#include <sys/types.h>
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#include <sys/lock.h>
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#include <sys/malloc.h>
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#include <sys/rwlock.h>
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#include <sys/seqc.h>
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#include <sys/sx.h>
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#include <sys/vmem.h>
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#include <vm/uma.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <machine/bus.h>
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#include <sys/socket.h>
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#include <sys/sysctl.h>
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#include <sys/taskqueue.h>
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#include <net/ethernet.h>
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#include <net/if.h>
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#include <net/if_var.h>
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#include <net/if_media.h>
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#include <net/pfil.h>
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#include <netinet/in.h>
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#include <netinet/tcp_lro.h>
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#include "offload.h"
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#include "t4_ioctl.h"
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#include "common/t4_msg.h"
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#include "firmware/t4fw_interface.h"
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#define KTR_CXGBE KTR_SPARE3
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MALLOC_DECLARE(M_CXGBE);
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#define CXGBE_UNIMPLEMENTED(s) \
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panic("%s (%s, line %d) not implemented yet.", s, __FILE__, __LINE__)
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/*
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* Same as LIST_HEAD from queue.h. This is to avoid conflict with LinuxKPI's
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* LIST_HEAD when building iw_cxgbe.
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*/
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#define CXGBE_LIST_HEAD(name, type) \
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struct name { \
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struct type *lh_first; /* first element */ \
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}
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#ifndef SYSCTL_ADD_UQUAD
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#define SYSCTL_ADD_UQUAD SYSCTL_ADD_QUAD
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#define sysctl_handle_64 sysctl_handle_quad
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#define CTLTYPE_U64 CTLTYPE_QUAD
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#endif
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SYSCTL_DECL(_hw_cxgbe);
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struct adapter;
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typedef struct adapter adapter_t;
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enum {
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/*
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* All ingress queues use this entry size. Note that the firmware event
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* queue and any iq expecting CPL_RX_PKT in the descriptor needs this to
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* be at least 64.
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*/
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IQ_ESIZE = 64,
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/* Default queue sizes for all kinds of ingress queues */
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FW_IQ_QSIZE = 256,
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RX_IQ_QSIZE = 1024,
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/* All egress queues use this entry size */
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EQ_ESIZE = 64,
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/* Default queue sizes for all kinds of egress queues */
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CTRL_EQ_QSIZE = 1024,
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TX_EQ_QSIZE = 1024,
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SW_ZONE_SIZES = 4, /* cluster, jumbop, jumbo9k, jumbo16k */
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CL_METADATA_SIZE = CACHE_LINE_SIZE,
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SGE_MAX_WR_NDESC = SGE_MAX_WR_LEN / EQ_ESIZE, /* max WR size in desc */
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TX_SGL_SEGS = 39,
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TX_SGL_SEGS_TSO = 38,
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TX_SGL_SEGS_VM = 38,
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TX_SGL_SEGS_VM_TSO = 37,
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TX_SGL_SEGS_EO_TSO = 30, /* XXX: lower for IPv6. */
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TX_SGL_SEGS_VXLAN_TSO = 37,
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TX_WR_FLITS = SGE_MAX_WR_LEN / 8
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};
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enum {
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/* adapter intr_type */
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INTR_INTX = (1 << 0),
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INTR_MSI = (1 << 1),
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INTR_MSIX = (1 << 2)
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};
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enum {
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XGMAC_MTU = (1 << 0),
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XGMAC_PROMISC = (1 << 1),
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XGMAC_ALLMULTI = (1 << 2),
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XGMAC_VLANEX = (1 << 3),
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XGMAC_UCADDR = (1 << 4),
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XGMAC_MCADDRS = (1 << 5),
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XGMAC_ALL = 0xffff
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};
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enum {
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/* flags understood by begin_synchronized_op */
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HOLD_LOCK = (1 << 0),
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SLEEP_OK = (1 << 1),
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INTR_OK = (1 << 2),
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/* flags understood by end_synchronized_op */
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LOCK_HELD = HOLD_LOCK,
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};
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enum {
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/* adapter flags. synch_op or adapter_lock. */
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FULL_INIT_DONE = (1 << 0),
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FW_OK = (1 << 1),
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CHK_MBOX_ACCESS = (1 << 2),
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MASTER_PF = (1 << 3),
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BUF_PACKING_OK = (1 << 6),
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IS_VF = (1 << 7),
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KERN_TLS_ON = (1 << 8), /* HW is configured for KERN_TLS */
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CXGBE_BUSY = (1 << 9),
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/* adapter error_flags. reg_lock for HW_OFF_LIMITS, atomics for the rest. */
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ADAP_STOPPED = (1 << 0), /* Adapter has been stopped. */
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ADAP_FATAL_ERR = (1 << 1), /* Encountered a fatal error. */
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HW_OFF_LIMITS = (1 << 2), /* off limits to all except reset_thread */
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ADAP_CIM_ERR = (1 << 3), /* Error was related to FW/CIM. */
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/* port flags */
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HAS_TRACEQ = (1 << 3),
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FIXED_IFMEDIA = (1 << 4), /* ifmedia list doesn't change. */
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/* VI flags */
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DOOMED = (1 << 0),
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VI_INIT_DONE = (1 << 1),
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/* 1 << 2 is unused, was VI_SYSCTL_CTX */
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TX_USES_VM_WR = (1 << 3),
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VI_SKIP_STATS = (1 << 4),
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/* adapter debug_flags */
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DF_DUMP_MBOX = (1 << 0), /* Log all mbox cmd/rpl. */
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DF_LOAD_FW_ANYTIME = (1 << 1), /* Allow LOAD_FW after init */
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DF_DISABLE_TCB_CACHE = (1 << 2), /* Disable TCB cache (T6+) */
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DF_DISABLE_CFG_RETRY = (1 << 3), /* Disable fallback config */
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DF_VERBOSE_SLOWINTR = (1 << 4), /* Chatty slow intr handler */
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};
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#define IS_DOOMED(vi) ((vi)->flags & DOOMED)
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#define SET_DOOMED(vi) do {(vi)->flags |= DOOMED;} while (0)
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#define IS_BUSY(sc) ((sc)->flags & CXGBE_BUSY)
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#define SET_BUSY(sc) do {(sc)->flags |= CXGBE_BUSY;} while (0)
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#define CLR_BUSY(sc) do {(sc)->flags &= ~CXGBE_BUSY;} while (0)
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struct vi_info {
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device_t dev;
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struct port_info *pi;
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struct adapter *adapter;
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if_t ifp;
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struct pfil_head *pfil;
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unsigned long flags;
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int if_flags;
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uint16_t *rss, *nm_rss;
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uint16_t viid; /* opaque VI identifier */
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uint16_t smt_idx;
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uint16_t vin;
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uint8_t vfvld;
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int16_t xact_addr_filt;/* index of exact MAC address filter */
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uint16_t rss_size; /* size of VI's RSS table slice */
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uint16_t rss_base; /* start of VI's RSS table slice */
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int hashen;
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int nintr;
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int first_intr;
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/* These need to be int as they are used in sysctl */
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int ntxq; /* # of tx queues */
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int first_txq; /* index of first tx queue */
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int rsrv_noflowq; /* Reserve queue 0 for non-flowid packets */
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int nrxq; /* # of rx queues */
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int first_rxq; /* index of first rx queue */
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int nofldtxq; /* # of offload tx queues */
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int first_ofld_txq; /* index of first offload tx queue */
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int nofldrxq; /* # of offload rx queues */
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int first_ofld_rxq; /* index of first offload rx queue */
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int nnmtxq;
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int first_nm_txq;
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int nnmrxq;
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int first_nm_rxq;
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int tmr_idx;
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int ofld_tmr_idx;
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int pktc_idx;
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int ofld_pktc_idx;
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int qsize_rxq;
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int qsize_txq;
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struct timeval last_refreshed;
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struct fw_vi_stats_vf stats;
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struct mtx tick_mtx;
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struct callout tick;
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struct sysctl_ctx_list ctx;
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struct sysctl_oid *rxq_oid;
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struct sysctl_oid *txq_oid;
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struct sysctl_oid *nm_rxq_oid;
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struct sysctl_oid *nm_txq_oid;
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struct sysctl_oid *ofld_rxq_oid;
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struct sysctl_oid *ofld_txq_oid;
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uint8_t hw_addr[ETHER_ADDR_LEN]; /* factory MAC address, won't change */
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u_int txq_rr;
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u_int rxq_rr;
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};
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struct tx_ch_rl_params {
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enum fw_sched_params_rate ratemode; /* %port (REL) or kbps (ABS) */
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uint32_t maxrate;
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};
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/* CLRL state */
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enum clrl_state {
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CS_UNINITIALIZED = 0,
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CS_PARAMS_SET, /* sw parameters have been set. */
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CS_HW_UPDATE_REQUESTED, /* async HW update requested. */
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CS_HW_UPDATE_IN_PROGRESS, /* sync hw update in progress. */
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CS_HW_CONFIGURED /* configured in the hardware. */
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};
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/* CLRL flags */
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enum {
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CF_USER = (1 << 0), /* was configured by driver ioctl. */
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};
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struct tx_cl_rl_params {
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enum clrl_state state;
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int refcount;
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uint8_t flags;
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enum fw_sched_params_rate ratemode; /* %port REL or ABS value */
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enum fw_sched_params_unit rateunit; /* kbps or pps (when ABS) */
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enum fw_sched_params_mode mode; /* aggr or per-flow */
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uint32_t maxrate;
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uint16_t pktsize;
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uint16_t burstsize;
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};
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/* Tx scheduler parameters for a channel/port */
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struct tx_sched_params {
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/* Channel Rate Limiter */
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struct tx_ch_rl_params ch_rl;
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/* Class WRR */
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/* XXX */
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/* Class Rate Limiter (including the default pktsize and burstsize). */
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int pktsize;
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int burstsize;
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struct tx_cl_rl_params cl_rl[];
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};
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struct port_info {
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device_t dev;
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struct adapter *adapter;
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struct vi_info *vi;
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int nvi;
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int up_vis;
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int uld_vis;
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bool vxlan_tcam_entry;
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struct tx_sched_params *sched_params;
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struct mtx pi_lock;
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char lockname[16];
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unsigned long flags;
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uint8_t lport; /* associated offload logical port */
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int8_t mdio_addr;
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uint8_t port_type;
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uint8_t mod_type;
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uint8_t port_id;
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uint8_t tx_chan;
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uint8_t mps_bg_map; /* rx MPS buffer group bitmap */
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uint8_t rx_e_chan_map; /* rx TP e-channel bitmap */
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uint8_t rx_c_chan; /* rx TP c-channel */
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struct link_config link_cfg;
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struct ifmedia media;
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struct port_stats stats;
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u_int tnl_cong_drops;
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u_int tx_parse_error;
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int fcs_reg;
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uint64_t fcs_base;
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struct sysctl_ctx_list ctx;
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};
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#define IS_MAIN_VI(vi) ((vi) == &((vi)->pi->vi[0]))
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struct cluster_metadata {
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uma_zone_t zone;
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caddr_t cl;
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u_int refcount;
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};
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struct fl_sdesc {
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caddr_t cl;
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uint16_t nmbuf; /* # of driver originated mbufs with ref on cluster */
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int16_t moff; /* offset of metadata from cl */
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uint8_t zidx;
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};
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struct tx_desc {
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__be64 flit[8];
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};
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struct tx_sdesc {
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struct mbuf *m; /* m_nextpkt linked chain of frames */
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uint8_t desc_used; /* # of hardware descriptors used by the WR */
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};
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#define IQ_PAD (IQ_ESIZE - sizeof(struct rsp_ctrl) - sizeof(struct rss_header))
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struct iq_desc {
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struct rss_header rss;
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uint8_t cpl[IQ_PAD];
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struct rsp_ctrl rsp;
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};
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#undef IQ_PAD
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CTASSERT(sizeof(struct iq_desc) == IQ_ESIZE);
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enum {
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/* iq type */
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IQ_OTHER = FW_IQ_IQTYPE_OTHER,
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IQ_ETH = FW_IQ_IQTYPE_NIC,
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IQ_OFLD = FW_IQ_IQTYPE_OFLD,
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/* iq flags */
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IQ_SW_ALLOCATED = (1 << 0), /* sw resources allocated */
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IQ_HAS_FL = (1 << 1), /* iq associated with a freelist */
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IQ_RX_TIMESTAMP = (1 << 2), /* provide the SGE rx timestamp */
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IQ_LRO_ENABLED = (1 << 3), /* iq is an eth rxq with LRO enabled */
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IQ_ADJ_CREDIT = (1 << 4), /* hw is off by 1 credit for this iq */
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IQ_HW_ALLOCATED = (1 << 5), /* fw/hw resources allocated */
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/* iq state */
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IQS_DISABLED = 0,
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IQS_BUSY = 1,
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IQS_IDLE = 2,
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/* netmap related flags */
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NM_OFF = 0,
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NM_ON = 1,
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NM_BUSY = 2,
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};
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enum {
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CPL_COOKIE_RESERVED = 0,
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CPL_COOKIE_FILTER,
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CPL_COOKIE_DDP0,
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CPL_COOKIE_DDP1,
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CPL_COOKIE_TOM,
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CPL_COOKIE_HASHFILTER,
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CPL_COOKIE_ETHOFLD,
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CPL_COOKIE_KERN_TLS,
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NUM_CPL_COOKIES = 8 /* Limited by M_COOKIE. Do not increase. */
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};
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struct sge_iq;
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struct rss_header;
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typedef int (*cpl_handler_t)(struct sge_iq *, const struct rss_header *,
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struct mbuf *);
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typedef int (*an_handler_t)(struct sge_iq *, const struct rsp_ctrl *);
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typedef int (*fw_msg_handler_t)(struct adapter *, const __be64 *);
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/*
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* Ingress Queue: T4 is producer, driver is consumer.
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*/
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struct sge_iq {
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uint16_t flags;
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uint8_t qtype;
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volatile int state;
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struct adapter *adapter;
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struct iq_desc *desc; /* KVA of descriptor ring */
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int8_t intr_pktc_idx; /* packet count threshold index */
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uint8_t gen; /* generation bit */
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uint8_t intr_params; /* interrupt holdoff parameters */
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int8_t cong_drop; /* congestion drop settings for the queue */
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uint16_t qsize; /* size (# of entries) of the queue */
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uint16_t sidx; /* index of the entry with the status page */
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uint16_t cidx; /* consumer index */
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uint16_t cntxt_id; /* SGE context id for the iq */
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uint16_t abs_id; /* absolute SGE id for the iq */
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int16_t intr_idx; /* interrupt used by the queue */
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STAILQ_ENTRY(sge_iq) link;
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bus_dma_tag_t desc_tag;
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bus_dmamap_t desc_map;
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bus_addr_t ba; /* bus address of descriptor ring */
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};
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enum {
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/* eq type */
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EQ_CTRL = 1,
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EQ_ETH = 2,
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EQ_OFLD = 3,
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/* eq flags */
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EQ_SW_ALLOCATED = (1 << 0), /* sw resources allocated */
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EQ_HW_ALLOCATED = (1 << 1), /* hw/fw resources allocated */
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EQ_ENABLED = (1 << 3), /* open for business */
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EQ_QFLUSH = (1 << 4), /* if_qflush in progress */
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};
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/* Listed in order of preference. Update t4_sysctls too if you change these */
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enum {DOORBELL_UDB, DOORBELL_WCWR, DOORBELL_UDBWC, DOORBELL_KDB};
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/*
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* Egress Queue: driver is producer, T4 is consumer.
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*
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* Note: A free list is an egress queue (driver produces the buffers and T4
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* consumes them) but it's special enough to have its own struct (see sge_fl).
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*/
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struct sge_eq {
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unsigned int flags; /* MUST be first */
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unsigned int cntxt_id; /* SGE context id for the eq */
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unsigned int abs_id; /* absolute SGE id for the eq */
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uint8_t type; /* EQ_CTRL/EQ_ETH/EQ_OFLD */
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uint8_t doorbells;
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uint8_t tx_chan; /* tx channel used by the eq */
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struct mtx eq_lock;
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struct tx_desc *desc; /* KVA of descriptor ring */
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volatile uint32_t *udb; /* KVA of doorbell (lies within BAR2) */
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u_int udb_qid; /* relative qid within the doorbell page */
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uint16_t sidx; /* index of the entry with the status page */
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uint16_t cidx; /* consumer idx (desc idx) */
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uint16_t pidx; /* producer idx (desc idx) */
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uint16_t equeqidx; /* EQUEQ last requested at this pidx */
|
|
uint16_t dbidx; /* pidx of the most recent doorbell */
|
|
uint16_t iqid; /* cached iq->cntxt_id (see iq below) */
|
|
volatile u_int equiq; /* EQUIQ outstanding */
|
|
struct sge_iq *iq; /* iq that receives egr_update for the eq */
|
|
|
|
bus_dma_tag_t desc_tag;
|
|
bus_dmamap_t desc_map;
|
|
bus_addr_t ba; /* bus address of descriptor ring */
|
|
char lockname[16];
|
|
};
|
|
|
|
struct rx_buf_info {
|
|
uma_zone_t zone; /* zone that this cluster comes from */
|
|
uint16_t size1; /* same as size of cluster: 2K/4K/9K/16K.
|
|
* hwsize[hwidx1] = size1. No spare. */
|
|
uint16_t size2; /* hwsize[hwidx2] = size2.
|
|
* spare in cluster = size1 - size2. */
|
|
int8_t hwidx1; /* SGE bufsize idx for size1 */
|
|
int8_t hwidx2; /* SGE bufsize idx for size2 */
|
|
uint8_t type; /* EXT_xxx type of the cluster */
|
|
};
|
|
|
|
enum {
|
|
NUM_MEMWIN = 3,
|
|
|
|
MEMWIN0_APERTURE = 2048,
|
|
MEMWIN0_BASE = 0x1b800,
|
|
|
|
MEMWIN1_APERTURE = 32768,
|
|
MEMWIN1_BASE = 0x28000,
|
|
|
|
MEMWIN2_APERTURE_T4 = 65536,
|
|
MEMWIN2_BASE_T4 = 0x30000,
|
|
|
|
MEMWIN2_APERTURE_T5 = 128 * 1024,
|
|
MEMWIN2_BASE_T5 = 0x60000,
|
|
};
|
|
|
|
struct memwin {
|
|
struct rwlock mw_lock __aligned(CACHE_LINE_SIZE);
|
|
uint32_t mw_base; /* constant after setup_memwin */
|
|
uint32_t mw_aperture; /* ditto */
|
|
uint32_t mw_curpos; /* protected by mw_lock */
|
|
};
|
|
|
|
enum {
|
|
FL_STARVING = (1 << 0), /* on the adapter's list of starving fl's */
|
|
FL_DOOMED = (1 << 1), /* about to be destroyed */
|
|
FL_BUF_PACKING = (1 << 2), /* buffer packing enabled */
|
|
FL_BUF_RESUME = (1 << 3), /* resume from the middle of the frame */
|
|
};
|
|
|
|
#define FL_RUNNING_LOW(fl) \
|
|
(IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) <= fl->lowat)
|
|
#define FL_NOT_RUNNING_LOW(fl) \
|
|
(IDXDIFF(fl->dbidx * 8, fl->cidx, fl->sidx * 8) >= 2 * fl->lowat)
|
|
|
|
struct sge_fl {
|
|
struct mtx fl_lock;
|
|
__be64 *desc; /* KVA of descriptor ring, ptr to addresses */
|
|
struct fl_sdesc *sdesc; /* KVA of software descriptor ring */
|
|
uint16_t zidx; /* refill zone idx */
|
|
uint16_t safe_zidx;
|
|
uint16_t lowat; /* # of buffers <= this means fl needs help */
|
|
int flags;
|
|
uint16_t buf_boundary;
|
|
|
|
/* The 16b idx all deal with hw descriptors */
|
|
uint16_t dbidx; /* hw pidx after last doorbell */
|
|
uint16_t sidx; /* index of status page */
|
|
volatile uint16_t hw_cidx;
|
|
|
|
/* The 32b idx are all buffer idx, not hardware descriptor idx */
|
|
uint32_t cidx; /* consumer index */
|
|
uint32_t pidx; /* producer index */
|
|
|
|
uint32_t dbval;
|
|
u_int rx_offset; /* offset in fl buf (when buffer packing) */
|
|
volatile uint32_t *udb;
|
|
|
|
uint64_t cl_allocated; /* # of clusters allocated */
|
|
uint64_t cl_recycled; /* # of clusters recycled */
|
|
uint64_t cl_fast_recycled; /* # of clusters recycled (fast) */
|
|
|
|
/* These 3 are valid when FL_BUF_RESUME is set, stale otherwise. */
|
|
struct mbuf *m0;
|
|
struct mbuf **pnext;
|
|
u_int remaining;
|
|
|
|
uint16_t qsize; /* # of hw descriptors (status page included) */
|
|
uint16_t cntxt_id; /* SGE context id for the freelist */
|
|
TAILQ_ENTRY(sge_fl) link; /* All starving freelists */
|
|
bus_dma_tag_t desc_tag;
|
|
bus_dmamap_t desc_map;
|
|
char lockname[16];
|
|
bus_addr_t ba; /* bus address of descriptor ring */
|
|
};
|
|
|
|
struct mp_ring;
|
|
|
|
struct txpkts {
|
|
uint8_t wr_type; /* type 0 or type 1 */
|
|
uint8_t npkt; /* # of packets in this work request */
|
|
uint8_t len16; /* # of 16B pieces used by this work request */
|
|
uint8_t score;
|
|
uint8_t max_npkt; /* maximum number of packets allowed */
|
|
uint16_t plen; /* total payload (sum of all packets) */
|
|
|
|
/* straight from fw_eth_tx_pkts_vm_wr. */
|
|
__u8 ethmacdst[6];
|
|
__u8 ethmacsrc[6];
|
|
__be16 ethtype;
|
|
__be16 vlantci;
|
|
|
|
struct mbuf *mb[15];
|
|
};
|
|
|
|
/* txq: SGE egress queue + what's needed for Ethernet NIC */
|
|
struct sge_txq {
|
|
struct sge_eq eq; /* MUST be first */
|
|
|
|
if_t ifp; /* the interface this txq belongs to */
|
|
struct mp_ring *r; /* tx software ring */
|
|
struct tx_sdesc *sdesc; /* KVA of software descriptor ring */
|
|
struct sglist *gl;
|
|
__be32 cpl_ctrl0; /* for convenience */
|
|
int tc_idx; /* traffic class */
|
|
uint64_t last_tx; /* cycle count when eth_tx was last called */
|
|
struct txpkts txp;
|
|
|
|
struct task tx_reclaim_task;
|
|
/* stats for common events first */
|
|
|
|
uint64_t txcsum; /* # of times hardware assisted with checksum */
|
|
uint64_t tso_wrs; /* # of TSO work requests */
|
|
uint64_t vlan_insertion;/* # of times VLAN tag was inserted */
|
|
uint64_t imm_wrs; /* # of work requests with immediate data */
|
|
uint64_t sgl_wrs; /* # of work requests with direct SGL */
|
|
uint64_t txpkt_wrs; /* # of txpkt work requests (not coalesced) */
|
|
uint64_t txpkts0_wrs; /* # of type0 coalesced tx work requests */
|
|
uint64_t txpkts1_wrs; /* # of type1 coalesced tx work requests */
|
|
uint64_t txpkts0_pkts; /* # of frames in type0 coalesced tx WRs */
|
|
uint64_t txpkts1_pkts; /* # of frames in type1 coalesced tx WRs */
|
|
uint64_t txpkts_flush; /* # of times txp had to be sent by tx_update */
|
|
uint64_t raw_wrs; /* # of raw work requests (alloc_wr_mbuf) */
|
|
uint64_t vxlan_tso_wrs; /* # of VXLAN TSO work requests */
|
|
uint64_t vxlan_txcsum;
|
|
|
|
uint64_t kern_tls_records;
|
|
uint64_t kern_tls_short;
|
|
uint64_t kern_tls_partial;
|
|
uint64_t kern_tls_full;
|
|
uint64_t kern_tls_octets;
|
|
uint64_t kern_tls_waste;
|
|
uint64_t kern_tls_options;
|
|
uint64_t kern_tls_header;
|
|
uint64_t kern_tls_fin;
|
|
uint64_t kern_tls_fin_short;
|
|
uint64_t kern_tls_cbc;
|
|
uint64_t kern_tls_gcm;
|
|
|
|
/* stats for not-that-common events */
|
|
|
|
/* Optional scratch space for constructing work requests. */
|
|
uint8_t ss[SGE_MAX_WR_LEN] __aligned(16);
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
/* rxq: SGE ingress queue + SGE free list + miscellaneous items */
|
|
struct sge_rxq {
|
|
struct sge_iq iq; /* MUST be first */
|
|
struct sge_fl fl; /* MUST follow iq */
|
|
|
|
if_t ifp; /* the interface this rxq belongs to */
|
|
struct lro_ctrl lro; /* LRO state */
|
|
|
|
/* stats for common events first */
|
|
|
|
uint64_t rxcsum; /* # of times hardware assisted with checksum */
|
|
uint64_t vlan_extraction;/* # of times VLAN tag was extracted */
|
|
uint64_t vxlan_rxcsum;
|
|
|
|
/* stats for not-that-common events */
|
|
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
static inline struct sge_rxq *
|
|
iq_to_rxq(struct sge_iq *iq)
|
|
{
|
|
|
|
return (__containerof(iq, struct sge_rxq, iq));
|
|
}
|
|
|
|
/* ofld_rxq: SGE ingress queue + SGE free list + miscellaneous items */
|
|
struct sge_ofld_rxq {
|
|
struct sge_iq iq; /* MUST be first */
|
|
struct sge_fl fl; /* MUST follow iq */
|
|
counter_u64_t rx_iscsi_ddp_setup_ok;
|
|
counter_u64_t rx_iscsi_ddp_setup_error;
|
|
uint64_t rx_iscsi_ddp_pdus;
|
|
uint64_t rx_iscsi_ddp_octets;
|
|
uint64_t rx_iscsi_fl_pdus;
|
|
uint64_t rx_iscsi_fl_octets;
|
|
uint64_t rx_iscsi_padding_errors;
|
|
uint64_t rx_iscsi_header_digest_errors;
|
|
uint64_t rx_iscsi_data_digest_errors;
|
|
u_long rx_toe_tls_records;
|
|
u_long rx_toe_tls_octets;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
static inline struct sge_ofld_rxq *
|
|
iq_to_ofld_rxq(struct sge_iq *iq)
|
|
{
|
|
|
|
return (__containerof(iq, struct sge_ofld_rxq, iq));
|
|
}
|
|
|
|
struct wrqe {
|
|
STAILQ_ENTRY(wrqe) link;
|
|
struct sge_wrq *wrq;
|
|
int wr_len;
|
|
char wr[] __aligned(16);
|
|
};
|
|
|
|
struct wrq_cookie {
|
|
TAILQ_ENTRY(wrq_cookie) link;
|
|
int ndesc;
|
|
int pidx;
|
|
};
|
|
|
|
/*
|
|
* wrq: SGE egress queue that is given prebuilt work requests. Control queues
|
|
* are of this type.
|
|
*/
|
|
struct sge_wrq {
|
|
struct sge_eq eq; /* MUST be first */
|
|
|
|
struct adapter *adapter;
|
|
struct task wrq_tx_task;
|
|
|
|
/* Tx desc reserved but WR not "committed" yet. */
|
|
TAILQ_HEAD(wrq_incomplete_wrs , wrq_cookie) incomplete_wrs;
|
|
|
|
/* List of WRs ready to go out as soon as descriptors are available. */
|
|
STAILQ_HEAD(, wrqe) wr_list;
|
|
u_int nwr_pending;
|
|
u_int ndesc_needed;
|
|
|
|
/* stats for common events first */
|
|
|
|
uint64_t tx_wrs_direct; /* # of WRs written directly to desc ring. */
|
|
uint64_t tx_wrs_ss; /* # of WRs copied from scratch space. */
|
|
uint64_t tx_wrs_copied; /* # of WRs queued and copied to desc ring. */
|
|
|
|
/* stats for not-that-common events */
|
|
|
|
/*
|
|
* Scratch space for work requests that wrap around after reaching the
|
|
* status page, and some information about the last WR that used it.
|
|
*/
|
|
uint16_t ss_pidx;
|
|
uint16_t ss_len;
|
|
uint8_t ss[SGE_MAX_WR_LEN];
|
|
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
/* ofld_txq: SGE egress queue + miscellaneous items */
|
|
struct sge_ofld_txq {
|
|
struct sge_wrq wrq;
|
|
counter_u64_t tx_iscsi_pdus;
|
|
counter_u64_t tx_iscsi_octets;
|
|
counter_u64_t tx_iscsi_iso_wrs;
|
|
counter_u64_t tx_toe_tls_records;
|
|
counter_u64_t tx_toe_tls_octets;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
#define INVALID_NM_RXQ_CNTXT_ID ((uint16_t)(-1))
|
|
struct sge_nm_rxq {
|
|
/* Items used by the driver rx ithread are in this cacheline. */
|
|
volatile int nm_state __aligned(CACHE_LINE_SIZE); /* NM_OFF, NM_ON, or NM_BUSY */
|
|
u_int nid; /* netmap ring # for this queue */
|
|
struct vi_info *vi;
|
|
|
|
struct iq_desc *iq_desc;
|
|
uint16_t iq_abs_id;
|
|
uint16_t iq_cntxt_id;
|
|
uint16_t iq_cidx;
|
|
uint16_t iq_sidx;
|
|
uint8_t iq_gen;
|
|
uint32_t fl_sidx;
|
|
|
|
/* Items used by netmap rxsync are in this cacheline. */
|
|
__be64 *fl_desc __aligned(CACHE_LINE_SIZE);
|
|
uint16_t fl_cntxt_id;
|
|
uint32_t fl_pidx;
|
|
uint32_t fl_sidx2; /* copy of fl_sidx */
|
|
uint32_t fl_db_val;
|
|
u_int fl_db_saved;
|
|
u_int fl_db_threshold; /* in descriptors */
|
|
u_int fl_hwidx:4;
|
|
|
|
/*
|
|
* fl_cidx is used by both the ithread and rxsync, the rest are not used
|
|
* in the rx fast path.
|
|
*/
|
|
uint32_t fl_cidx __aligned(CACHE_LINE_SIZE);
|
|
|
|
bus_dma_tag_t iq_desc_tag;
|
|
bus_dmamap_t iq_desc_map;
|
|
bus_addr_t iq_ba;
|
|
int intr_idx;
|
|
|
|
bus_dma_tag_t fl_desc_tag;
|
|
bus_dmamap_t fl_desc_map;
|
|
bus_addr_t fl_ba;
|
|
};
|
|
|
|
#define INVALID_NM_TXQ_CNTXT_ID ((u_int)(-1))
|
|
struct sge_nm_txq {
|
|
struct tx_desc *desc;
|
|
uint16_t cidx;
|
|
uint16_t pidx;
|
|
uint16_t sidx;
|
|
uint16_t equiqidx; /* EQUIQ last requested at this pidx */
|
|
uint16_t equeqidx; /* EQUEQ last requested at this pidx */
|
|
uint16_t dbidx; /* pidx of the most recent doorbell */
|
|
uint8_t doorbells;
|
|
volatile uint32_t *udb;
|
|
u_int udb_qid;
|
|
u_int cntxt_id;
|
|
__be32 cpl_ctrl0; /* for convenience */
|
|
__be32 op_pkd; /* ditto */
|
|
u_int nid; /* netmap ring # for this queue */
|
|
|
|
/* infrequently used items after this */
|
|
|
|
bus_dma_tag_t desc_tag;
|
|
bus_dmamap_t desc_map;
|
|
bus_addr_t ba;
|
|
int iqidx;
|
|
} __aligned(CACHE_LINE_SIZE);
|
|
|
|
struct sge {
|
|
int nrxq; /* total # of Ethernet rx queues */
|
|
int ntxq; /* total # of Ethernet tx queues */
|
|
int nofldrxq; /* total # of TOE rx queues */
|
|
int nofldtxq; /* total # of TOE tx queues */
|
|
int nnmrxq; /* total # of netmap rx queues */
|
|
int nnmtxq; /* total # of netmap tx queues */
|
|
int niq; /* total # of ingress queues */
|
|
int neq; /* total # of egress queues */
|
|
|
|
struct sge_iq fwq; /* Firmware event queue */
|
|
struct sge_wrq *ctrlq; /* Control queues */
|
|
struct sge_txq *txq; /* NIC tx queues */
|
|
struct sge_rxq *rxq; /* NIC rx queues */
|
|
struct sge_ofld_txq *ofld_txq; /* TOE tx queues */
|
|
struct sge_ofld_rxq *ofld_rxq; /* TOE rx queues */
|
|
struct sge_nm_txq *nm_txq; /* netmap tx queues */
|
|
struct sge_nm_rxq *nm_rxq; /* netmap rx queues */
|
|
|
|
uint16_t iq_start; /* first cntxt_id */
|
|
uint16_t iq_base; /* first abs_id */
|
|
int eq_start; /* first cntxt_id */
|
|
int eq_base; /* first abs_id */
|
|
int iqmap_sz;
|
|
int eqmap_sz;
|
|
struct sge_iq **iqmap; /* iq->cntxt_id to iq mapping */
|
|
struct sge_eq **eqmap; /* eq->cntxt_id to eq mapping */
|
|
|
|
int8_t safe_zidx;
|
|
struct rx_buf_info rx_buf_info[SW_ZONE_SIZES];
|
|
};
|
|
|
|
struct devnames {
|
|
const char *nexus_name;
|
|
const char *ifnet_name;
|
|
const char *vi_ifnet_name;
|
|
const char *pf03_drv_name;
|
|
const char *vf_nexus_name;
|
|
const char *vf_ifnet_name;
|
|
};
|
|
|
|
struct clip_entry;
|
|
|
|
#define CNT_CAL_INFO 3
|
|
struct clock_sync {
|
|
uint64_t hw_cur;
|
|
uint64_t hw_prev;
|
|
sbintime_t sbt_cur;
|
|
sbintime_t sbt_prev;
|
|
seqc_t gen;
|
|
};
|
|
|
|
struct adapter {
|
|
SLIST_ENTRY(adapter) link;
|
|
device_t dev;
|
|
struct cdev *cdev;
|
|
const struct devnames *names;
|
|
|
|
/* PCIe register resources */
|
|
int regs_rid;
|
|
struct resource *regs_res;
|
|
int msix_rid;
|
|
struct resource *msix_res;
|
|
bus_space_handle_t bh;
|
|
bus_space_tag_t bt;
|
|
bus_size_t mmio_len;
|
|
int udbs_rid;
|
|
struct resource *udbs_res;
|
|
volatile uint8_t *udbs_base;
|
|
|
|
unsigned int pf;
|
|
unsigned int mbox;
|
|
unsigned int vpd_busy;
|
|
unsigned int vpd_flag;
|
|
|
|
/* Interrupt information */
|
|
int intr_type;
|
|
int intr_count;
|
|
struct irq {
|
|
struct resource *res;
|
|
int rid;
|
|
void *tag;
|
|
struct sge_rxq *rxq;
|
|
struct sge_nm_rxq *nm_rxq;
|
|
} __aligned(CACHE_LINE_SIZE) *irq;
|
|
int sge_gts_reg;
|
|
int sge_kdoorbell_reg;
|
|
|
|
bus_dma_tag_t dmat; /* Parent DMA tag */
|
|
|
|
struct sge sge;
|
|
int lro_timeout;
|
|
int sc_do_rxcopy;
|
|
|
|
int vxlan_port;
|
|
u_int vxlan_refcount;
|
|
int rawf_base;
|
|
int nrawf;
|
|
|
|
struct taskqueue *tq[MAX_NCHAN]; /* General purpose taskqueues */
|
|
struct port_info *port[MAX_NPORTS];
|
|
uint8_t chan_map[MAX_NCHAN]; /* channel -> port */
|
|
|
|
CXGBE_LIST_HEAD(, clip_entry) *clip_table;
|
|
TAILQ_HEAD(, clip_entry) clip_pending; /* these need hw update. */
|
|
u_long clip_mask;
|
|
int clip_gen;
|
|
struct timeout_task clip_task;
|
|
|
|
void *tom_softc; /* (struct tom_data *) */
|
|
struct tom_tunables tt;
|
|
struct t4_offload_policy *policy;
|
|
struct rwlock policy_lock;
|
|
|
|
void *iwarp_softc; /* (struct c4iw_dev *) */
|
|
struct iw_tunables iwt;
|
|
void *iscsi_ulp_softc; /* (struct cxgbei_data *) */
|
|
struct l2t_data *l2t; /* L2 table */
|
|
struct smt_data *smt; /* Source MAC Table */
|
|
struct tid_info tids;
|
|
vmem_t *key_map;
|
|
struct tls_tunables tlst;
|
|
|
|
uint8_t doorbells;
|
|
int offload_map; /* port_id's with IFCAP_TOE enabled */
|
|
int bt_map; /* tx_chan's with BASE-T */
|
|
int active_ulds; /* ULDs activated on this adapter */
|
|
int flags;
|
|
int debug_flags;
|
|
int error_flags; /* Used by error handler and live reset. */
|
|
|
|
char ifp_lockname[16];
|
|
struct mtx ifp_lock;
|
|
if_t ifp; /* tracer ifp */
|
|
struct ifmedia media;
|
|
int traceq; /* iq used by all tracers, -1 if none */
|
|
int tracer_valid; /* bitmap of valid tracers */
|
|
int tracer_enabled; /* bitmap of enabled tracers */
|
|
|
|
char fw_version[16];
|
|
char tp_version[16];
|
|
char er_version[16];
|
|
char bs_version[16];
|
|
char cfg_file[32];
|
|
u_int cfcsum;
|
|
struct adapter_params params;
|
|
const struct chip_params *chip_params;
|
|
struct t4_virt_res vres;
|
|
|
|
uint16_t nbmcaps;
|
|
uint16_t linkcaps;
|
|
uint16_t switchcaps;
|
|
uint16_t niccaps;
|
|
uint16_t toecaps;
|
|
uint16_t rdmacaps;
|
|
uint16_t cryptocaps;
|
|
uint16_t iscsicaps;
|
|
uint16_t fcoecaps;
|
|
|
|
struct sysctl_ctx_list ctx;
|
|
struct sysctl_oid *ctrlq_oid;
|
|
struct sysctl_oid *fwq_oid;
|
|
|
|
struct mtx sc_lock;
|
|
char lockname[16];
|
|
|
|
/* Starving free lists */
|
|
struct mtx sfl_lock; /* same cache-line as sc_lock? but that's ok */
|
|
TAILQ_HEAD(, sge_fl) sfl;
|
|
struct callout sfl_callout;
|
|
struct callout cal_callout;
|
|
struct clock_sync cal_info[CNT_CAL_INFO];
|
|
int cal_current;
|
|
int cal_count;
|
|
uint32_t cal_gen;
|
|
|
|
/*
|
|
* Driver code that can run when the adapter is suspended must use this
|
|
* lock or a synchronized_op and check for HW_OFF_LIMITS before
|
|
* accessing hardware.
|
|
*
|
|
* XXX: could be changed to rwlock. wlock in suspend/resume and for
|
|
* indirect register access, rlock everywhere else.
|
|
*/
|
|
struct mtx reg_lock;
|
|
|
|
struct memwin memwin[NUM_MEMWIN]; /* memory windows */
|
|
|
|
struct mtx tc_lock;
|
|
struct task tc_task;
|
|
|
|
struct task fatal_error_task;
|
|
struct task reset_task;
|
|
const void *reset_thread;
|
|
int num_resets;
|
|
int incarnation;
|
|
|
|
const char *last_op;
|
|
const void *last_op_thr;
|
|
int last_op_flags;
|
|
|
|
int swintr;
|
|
int sensor_resets;
|
|
|
|
struct callout ktls_tick;
|
|
};
|
|
|
|
#define ADAPTER_LOCK(sc) mtx_lock(&(sc)->sc_lock)
|
|
#define ADAPTER_UNLOCK(sc) mtx_unlock(&(sc)->sc_lock)
|
|
#define ADAPTER_LOCK_ASSERT_OWNED(sc) mtx_assert(&(sc)->sc_lock, MA_OWNED)
|
|
#define ADAPTER_LOCK_ASSERT_NOTOWNED(sc) mtx_assert(&(sc)->sc_lock, MA_NOTOWNED)
|
|
|
|
#define ASSERT_SYNCHRONIZED_OP(sc) \
|
|
KASSERT(IS_BUSY(sc) && \
|
|
(mtx_owned(&(sc)->sc_lock) || sc->last_op_thr == curthread), \
|
|
("%s: operation not synchronized.", __func__))
|
|
|
|
#define PORT_LOCK(pi) mtx_lock(&(pi)->pi_lock)
|
|
#define PORT_UNLOCK(pi) mtx_unlock(&(pi)->pi_lock)
|
|
#define PORT_LOCK_ASSERT_OWNED(pi) mtx_assert(&(pi)->pi_lock, MA_OWNED)
|
|
#define PORT_LOCK_ASSERT_NOTOWNED(pi) mtx_assert(&(pi)->pi_lock, MA_NOTOWNED)
|
|
|
|
#define FL_LOCK(fl) mtx_lock(&(fl)->fl_lock)
|
|
#define FL_TRYLOCK(fl) mtx_trylock(&(fl)->fl_lock)
|
|
#define FL_UNLOCK(fl) mtx_unlock(&(fl)->fl_lock)
|
|
#define FL_LOCK_ASSERT_OWNED(fl) mtx_assert(&(fl)->fl_lock, MA_OWNED)
|
|
#define FL_LOCK_ASSERT_NOTOWNED(fl) mtx_assert(&(fl)->fl_lock, MA_NOTOWNED)
|
|
|
|
#define RXQ_FL_LOCK(rxq) FL_LOCK(&(rxq)->fl)
|
|
#define RXQ_FL_UNLOCK(rxq) FL_UNLOCK(&(rxq)->fl)
|
|
#define RXQ_FL_LOCK_ASSERT_OWNED(rxq) FL_LOCK_ASSERT_OWNED(&(rxq)->fl)
|
|
#define RXQ_FL_LOCK_ASSERT_NOTOWNED(rxq) FL_LOCK_ASSERT_NOTOWNED(&(rxq)->fl)
|
|
|
|
#define EQ_LOCK(eq) mtx_lock(&(eq)->eq_lock)
|
|
#define EQ_TRYLOCK(eq) mtx_trylock(&(eq)->eq_lock)
|
|
#define EQ_UNLOCK(eq) mtx_unlock(&(eq)->eq_lock)
|
|
#define EQ_LOCK_ASSERT_OWNED(eq) mtx_assert(&(eq)->eq_lock, MA_OWNED)
|
|
#define EQ_LOCK_ASSERT_NOTOWNED(eq) mtx_assert(&(eq)->eq_lock, MA_NOTOWNED)
|
|
|
|
#define TXQ_LOCK(txq) EQ_LOCK(&(txq)->eq)
|
|
#define TXQ_TRYLOCK(txq) EQ_TRYLOCK(&(txq)->eq)
|
|
#define TXQ_UNLOCK(txq) EQ_UNLOCK(&(txq)->eq)
|
|
#define TXQ_LOCK_ASSERT_OWNED(txq) EQ_LOCK_ASSERT_OWNED(&(txq)->eq)
|
|
#define TXQ_LOCK_ASSERT_NOTOWNED(txq) EQ_LOCK_ASSERT_NOTOWNED(&(txq)->eq)
|
|
|
|
#define for_each_txq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.txq[vi->first_txq], iter = 0; \
|
|
iter < vi->ntxq; ++iter, ++q)
|
|
#define for_each_rxq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.rxq[vi->first_rxq], iter = 0; \
|
|
iter < vi->nrxq; ++iter, ++q)
|
|
#define for_each_ofld_txq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.ofld_txq[vi->first_ofld_txq], iter = 0; \
|
|
iter < vi->nofldtxq; ++iter, ++q)
|
|
#define for_each_ofld_rxq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.ofld_rxq[vi->first_ofld_rxq], iter = 0; \
|
|
iter < vi->nofldrxq; ++iter, ++q)
|
|
#define for_each_nm_txq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.nm_txq[vi->first_nm_txq], iter = 0; \
|
|
iter < vi->nnmtxq; ++iter, ++q)
|
|
#define for_each_nm_rxq(vi, iter, q) \
|
|
for (q = &vi->adapter->sge.nm_rxq[vi->first_nm_rxq], iter = 0; \
|
|
iter < vi->nnmrxq; ++iter, ++q)
|
|
#define for_each_vi(_pi, _iter, _vi) \
|
|
for ((_vi) = (_pi)->vi, (_iter) = 0; (_iter) < (_pi)->nvi; \
|
|
++(_iter), ++(_vi))
|
|
|
|
#define IDXINCR(idx, incr, wrap) do { \
|
|
idx = wrap - idx > incr ? idx + incr : incr - (wrap - idx); \
|
|
} while (0)
|
|
#define IDXDIFF(head, tail, wrap) \
|
|
((head) >= (tail) ? (head) - (tail) : (wrap) - (tail) + (head))
|
|
|
|
/* One for errors, one for firmware events */
|
|
#define T4_EXTRA_INTR 2
|
|
|
|
/* One for firmware events */
|
|
#define T4VF_EXTRA_INTR 1
|
|
|
|
static inline int
|
|
forwarding_intr_to_fwq(struct adapter *sc)
|
|
{
|
|
|
|
return (sc->intr_count == 1);
|
|
}
|
|
|
|
/* Works reliably inside a sync_op or with reg_lock held. */
|
|
static inline bool
|
|
hw_off_limits(struct adapter *sc)
|
|
{
|
|
int off_limits = atomic_load_int(&sc->error_flags) & HW_OFF_LIMITS;
|
|
|
|
return (__predict_false(off_limits != 0));
|
|
}
|
|
|
|
static inline int
|
|
mbuf_nsegs(struct mbuf *m)
|
|
{
|
|
M_ASSERTPKTHDR(m);
|
|
KASSERT(m->m_pkthdr.inner_l5hlen > 0,
|
|
("%s: mbuf %p missing information on # of segments.", __func__, m));
|
|
|
|
return (m->m_pkthdr.inner_l5hlen);
|
|
}
|
|
|
|
static inline void
|
|
set_mbuf_nsegs(struct mbuf *m, uint8_t nsegs)
|
|
{
|
|
M_ASSERTPKTHDR(m);
|
|
m->m_pkthdr.inner_l5hlen = nsegs;
|
|
}
|
|
|
|
/* Internal mbuf flags stored in PH_loc.eight[1]. */
|
|
#define MC_NOMAP 0x01
|
|
#define MC_RAW_WR 0x02
|
|
#define MC_TLS 0x04
|
|
|
|
static inline int
|
|
mbuf_cflags(struct mbuf *m)
|
|
{
|
|
M_ASSERTPKTHDR(m);
|
|
return (m->m_pkthdr.PH_loc.eight[4]);
|
|
}
|
|
|
|
static inline void
|
|
set_mbuf_cflags(struct mbuf *m, uint8_t flags)
|
|
{
|
|
M_ASSERTPKTHDR(m);
|
|
m->m_pkthdr.PH_loc.eight[4] = flags;
|
|
}
|
|
|
|
static inline int
|
|
mbuf_len16(struct mbuf *m)
|
|
{
|
|
int n;
|
|
|
|
M_ASSERTPKTHDR(m);
|
|
n = m->m_pkthdr.PH_loc.eight[0];
|
|
if (!(mbuf_cflags(m) & MC_TLS))
|
|
MPASS(n > 0 && n <= SGE_MAX_WR_LEN / 16);
|
|
|
|
return (n);
|
|
}
|
|
|
|
static inline void
|
|
set_mbuf_len16(struct mbuf *m, uint8_t len16)
|
|
{
|
|
M_ASSERTPKTHDR(m);
|
|
if (!(mbuf_cflags(m) & MC_TLS))
|
|
MPASS(len16 > 0 && len16 <= SGE_MAX_WR_LEN / 16);
|
|
m->m_pkthdr.PH_loc.eight[0] = len16;
|
|
}
|
|
|
|
static inline uint32_t
|
|
t4_read_reg(struct adapter *sc, uint32_t reg)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
return bus_space_read_4(sc->bt, sc->bh, reg);
|
|
}
|
|
|
|
static inline void
|
|
t4_write_reg(struct adapter *sc, uint32_t reg, uint32_t val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
bus_space_write_4(sc->bt, sc->bh, reg, val);
|
|
}
|
|
|
|
static inline uint64_t
|
|
t4_read_reg64(struct adapter *sc, uint32_t reg)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
#ifdef __LP64__
|
|
return bus_space_read_8(sc->bt, sc->bh, reg);
|
|
#else
|
|
return (uint64_t)bus_space_read_4(sc->bt, sc->bh, reg) +
|
|
((uint64_t)bus_space_read_4(sc->bt, sc->bh, reg + 4) << 32);
|
|
|
|
#endif
|
|
}
|
|
|
|
static inline void
|
|
t4_write_reg64(struct adapter *sc, uint32_t reg, uint64_t val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
#ifdef __LP64__
|
|
bus_space_write_8(sc->bt, sc->bh, reg, val);
|
|
#else
|
|
bus_space_write_4(sc->bt, sc->bh, reg, val);
|
|
bus_space_write_4(sc->bt, sc->bh, reg + 4, val>> 32);
|
|
#endif
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_read_cfg1(struct adapter *sc, int reg, uint8_t *val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
*val = pci_read_config(sc->dev, reg, 1);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_write_cfg1(struct adapter *sc, int reg, uint8_t val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
pci_write_config(sc->dev, reg, val, 1);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_read_cfg2(struct adapter *sc, int reg, uint16_t *val)
|
|
{
|
|
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
*val = pci_read_config(sc->dev, reg, 2);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_write_cfg2(struct adapter *sc, int reg, uint16_t val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
pci_write_config(sc->dev, reg, val, 2);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_read_cfg4(struct adapter *sc, int reg, uint32_t *val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
*val = pci_read_config(sc->dev, reg, 4);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_pci_write_cfg4(struct adapter *sc, int reg, uint32_t val)
|
|
{
|
|
if (hw_off_limits(sc))
|
|
MPASS(curthread == sc->reset_thread);
|
|
pci_write_config(sc->dev, reg, val, 4);
|
|
}
|
|
|
|
static inline struct port_info *
|
|
adap2pinfo(struct adapter *sc, int idx)
|
|
{
|
|
|
|
return (sc->port[idx]);
|
|
}
|
|
|
|
static inline void
|
|
t4_os_set_hw_addr(struct port_info *pi, uint8_t hw_addr[])
|
|
{
|
|
|
|
bcopy(hw_addr, pi->vi[0].hw_addr, ETHER_ADDR_LEN);
|
|
}
|
|
|
|
static inline int
|
|
tx_resume_threshold(struct sge_eq *eq)
|
|
{
|
|
|
|
/* not quite the same as qsize / 4, but this will do. */
|
|
return (eq->sidx / 4);
|
|
}
|
|
|
|
static inline int
|
|
t4_use_ldst(struct adapter *sc)
|
|
{
|
|
|
|
#ifdef notyet
|
|
return (sc->flags & FW_OK || !sc->use_bd);
|
|
#else
|
|
return (0);
|
|
#endif
|
|
}
|
|
|
|
static inline void
|
|
CH_DUMP_MBOX(struct adapter *sc, int mbox, const int reg,
|
|
const char *msg, const __be64 *const p, const bool err)
|
|
{
|
|
|
|
if (!(sc->debug_flags & DF_DUMP_MBOX) && !err)
|
|
return;
|
|
if (p != NULL) {
|
|
log(err ? LOG_ERR : LOG_DEBUG,
|
|
"%s: mbox %u %s %016llx %016llx %016llx %016llx "
|
|
"%016llx %016llx %016llx %016llx\n",
|
|
device_get_nameunit(sc->dev), mbox, msg,
|
|
(long long)be64_to_cpu(p[0]), (long long)be64_to_cpu(p[1]),
|
|
(long long)be64_to_cpu(p[2]), (long long)be64_to_cpu(p[3]),
|
|
(long long)be64_to_cpu(p[4]), (long long)be64_to_cpu(p[5]),
|
|
(long long)be64_to_cpu(p[6]), (long long)be64_to_cpu(p[7]));
|
|
} else {
|
|
log(err ? LOG_ERR : LOG_DEBUG,
|
|
"%s: mbox %u %s %016llx %016llx %016llx %016llx "
|
|
"%016llx %016llx %016llx %016llx\n",
|
|
device_get_nameunit(sc->dev), mbox, msg,
|
|
(long long)t4_read_reg64(sc, reg),
|
|
(long long)t4_read_reg64(sc, reg + 8),
|
|
(long long)t4_read_reg64(sc, reg + 16),
|
|
(long long)t4_read_reg64(sc, reg + 24),
|
|
(long long)t4_read_reg64(sc, reg + 32),
|
|
(long long)t4_read_reg64(sc, reg + 40),
|
|
(long long)t4_read_reg64(sc, reg + 48),
|
|
(long long)t4_read_reg64(sc, reg + 56));
|
|
}
|
|
}
|
|
|
|
/* t4_main.c */
|
|
extern int t4_ntxq;
|
|
extern int t4_nrxq;
|
|
extern int t4_intr_types;
|
|
extern int t4_tmr_idx;
|
|
extern int t4_pktc_idx;
|
|
extern unsigned int t4_qsize_rxq;
|
|
extern unsigned int t4_qsize_txq;
|
|
extern device_method_t cxgbe_methods[];
|
|
|
|
int t4_os_find_pci_capability(struct adapter *, int);
|
|
int t4_os_pci_save_state(struct adapter *);
|
|
int t4_os_pci_restore_state(struct adapter *);
|
|
void t4_os_portmod_changed(struct port_info *);
|
|
void t4_os_link_changed(struct port_info *);
|
|
void t4_iterate(void (*)(struct adapter *, void *), void *);
|
|
void t4_init_devnames(struct adapter *);
|
|
void t4_add_adapter(struct adapter *);
|
|
int t4_detach_common(device_t);
|
|
int t4_map_bars_0_and_4(struct adapter *);
|
|
int t4_map_bar_2(struct adapter *);
|
|
int t4_setup_intr_handlers(struct adapter *);
|
|
void t4_sysctls(struct adapter *);
|
|
int begin_synchronized_op(struct adapter *, struct vi_info *, int, char *);
|
|
void doom_vi(struct adapter *, struct vi_info *);
|
|
void end_synchronized_op(struct adapter *, int);
|
|
int update_mac_settings(if_t, int);
|
|
int adapter_init(struct adapter *);
|
|
int vi_init(struct vi_info *);
|
|
void vi_sysctls(struct vi_info *);
|
|
int rw_via_memwin(struct adapter *, int, uint32_t, uint32_t *, int, int);
|
|
int alloc_atid(struct adapter *, void *);
|
|
void *lookup_atid(struct adapter *, int);
|
|
void free_atid(struct adapter *, int);
|
|
void release_tid(struct adapter *, int, struct sge_wrq *);
|
|
int cxgbe_media_change(if_t);
|
|
void cxgbe_media_status(if_t, struct ifmediareq *);
|
|
void t4_os_cim_err(struct adapter *);
|
|
|
|
#ifdef KERN_TLS
|
|
/* t6_kern_tls.c */
|
|
int t6_tls_tag_alloc(if_t, union if_snd_tag_alloc_params *,
|
|
struct m_snd_tag **);
|
|
void t6_ktls_modload(void);
|
|
void t6_ktls_modunload(void);
|
|
int t6_ktls_try(if_t, struct socket *, struct ktls_session *);
|
|
int t6_ktls_parse_pkt(struct mbuf *);
|
|
int t6_ktls_write_wr(struct sge_txq *, void *, struct mbuf *, u_int);
|
|
#endif
|
|
|
|
/* t4_keyctx.c */
|
|
struct auth_hash;
|
|
union authctx;
|
|
#ifdef KERN_TLS
|
|
struct ktls_session;
|
|
struct tls_key_req;
|
|
struct tls_keyctx;
|
|
#endif
|
|
|
|
void t4_aes_getdeckey(void *, const void *, unsigned int);
|
|
void t4_copy_partial_hash(int, union authctx *, void *);
|
|
void t4_init_gmac_hash(const char *, int, char *);
|
|
void t4_init_hmac_digest(const struct auth_hash *, u_int, const char *, int,
|
|
char *);
|
|
#ifdef KERN_TLS
|
|
u_int t4_tls_key_info_size(const struct ktls_session *);
|
|
int t4_tls_proto_ver(const struct ktls_session *);
|
|
int t4_tls_cipher_mode(const struct ktls_session *);
|
|
int t4_tls_auth_mode(const struct ktls_session *);
|
|
int t4_tls_hmac_ctrl(const struct ktls_session *);
|
|
void t4_tls_key_ctx(const struct ktls_session *, int, struct tls_keyctx *);
|
|
int t4_alloc_tls_keyid(struct adapter *);
|
|
void t4_free_tls_keyid(struct adapter *, int);
|
|
void t4_write_tlskey_wr(const struct ktls_session *, int, int, int, int,
|
|
struct tls_key_req *);
|
|
#endif
|
|
|
|
#ifdef DEV_NETMAP
|
|
/* t4_netmap.c */
|
|
struct sge_nm_rxq;
|
|
void cxgbe_nm_attach(struct vi_info *);
|
|
void cxgbe_nm_detach(struct vi_info *);
|
|
void service_nm_rxq(struct sge_nm_rxq *);
|
|
int alloc_nm_rxq(struct vi_info *, struct sge_nm_rxq *, int, int);
|
|
int free_nm_rxq(struct vi_info *, struct sge_nm_rxq *);
|
|
int alloc_nm_txq(struct vi_info *, struct sge_nm_txq *, int, int);
|
|
int free_nm_txq(struct vi_info *, struct sge_nm_txq *);
|
|
#endif
|
|
|
|
/* t4_sge.c */
|
|
void t4_sge_modload(void);
|
|
void t4_sge_modunload(void);
|
|
uint64_t t4_sge_extfree_refs(void);
|
|
void t4_tweak_chip_settings(struct adapter *);
|
|
int t4_verify_chip_settings(struct adapter *);
|
|
void t4_init_rx_buf_info(struct adapter *);
|
|
int t4_create_dma_tag(struct adapter *);
|
|
void t4_sge_sysctls(struct adapter *, struct sysctl_ctx_list *,
|
|
struct sysctl_oid_list *);
|
|
int t4_destroy_dma_tag(struct adapter *);
|
|
int alloc_ring(struct adapter *, size_t, bus_dma_tag_t *, bus_dmamap_t *,
|
|
bus_addr_t *, void **);
|
|
int free_ring(struct adapter *, bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
|
|
void *);
|
|
void free_fl_buffers(struct adapter *, struct sge_fl *);
|
|
int t4_setup_adapter_queues(struct adapter *);
|
|
int t4_teardown_adapter_queues(struct adapter *);
|
|
int t4_setup_vi_queues(struct vi_info *);
|
|
int t4_teardown_vi_queues(struct vi_info *);
|
|
void t4_intr_all(void *);
|
|
void t4_intr(void *);
|
|
#ifdef DEV_NETMAP
|
|
void t4_nm_intr(void *);
|
|
void t4_vi_intr(void *);
|
|
#endif
|
|
void t4_intr_err(void *);
|
|
void t4_intr_evt(void *);
|
|
void t4_wrq_tx_locked(struct adapter *, struct sge_wrq *, struct wrqe *);
|
|
void t4_update_fl_bufsize(if_t);
|
|
struct mbuf *alloc_wr_mbuf(int, int);
|
|
int parse_pkt(struct mbuf **, bool);
|
|
void *start_wrq_wr(struct sge_wrq *, int, struct wrq_cookie *);
|
|
void commit_wrq_wr(struct sge_wrq *, void *, struct wrq_cookie *);
|
|
int t4_sge_set_conm_context(struct adapter *, int, int, int);
|
|
void t4_register_an_handler(an_handler_t);
|
|
void t4_register_fw_msg_handler(int, fw_msg_handler_t);
|
|
void t4_register_cpl_handler(int, cpl_handler_t);
|
|
void t4_register_shared_cpl_handler(int, cpl_handler_t, int);
|
|
#ifdef RATELIMIT
|
|
void send_etid_flush_wr(struct cxgbe_rate_tag *);
|
|
#endif
|
|
|
|
/* t4_tracer.c */
|
|
struct t4_tracer;
|
|
void t4_tracer_modload(void);
|
|
void t4_tracer_modunload(void);
|
|
void t4_tracer_port_detach(struct adapter *);
|
|
int t4_get_tracer(struct adapter *, struct t4_tracer *);
|
|
int t4_set_tracer(struct adapter *, struct t4_tracer *);
|
|
int t4_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
int t5_trace_pkt(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
|
|
/* t4_sched.c */
|
|
int t4_set_sched_class(struct adapter *, struct t4_sched_params *);
|
|
int t4_set_sched_queue(struct adapter *, struct t4_sched_queue *);
|
|
int t4_init_tx_sched(struct adapter *);
|
|
int t4_free_tx_sched(struct adapter *);
|
|
void t4_update_tx_sched(struct adapter *);
|
|
int t4_reserve_cl_rl_kbps(struct adapter *, int, u_int, int *);
|
|
void t4_release_cl_rl(struct adapter *, int, int);
|
|
int sysctl_tc(SYSCTL_HANDLER_ARGS);
|
|
int sysctl_tc_params(SYSCTL_HANDLER_ARGS);
|
|
#ifdef RATELIMIT
|
|
void t4_init_etid_table(struct adapter *);
|
|
void t4_free_etid_table(struct adapter *);
|
|
struct cxgbe_rate_tag *lookup_etid(struct adapter *, int);
|
|
int cxgbe_rate_tag_alloc(if_t, union if_snd_tag_alloc_params *,
|
|
struct m_snd_tag **);
|
|
void cxgbe_rate_tag_free_locked(struct cxgbe_rate_tag *);
|
|
void cxgbe_ratelimit_query(if_t, struct if_ratelimit_query_results *);
|
|
#endif
|
|
|
|
/* t4_filter.c */
|
|
int get_filter_mode(struct adapter *, uint32_t *);
|
|
int set_filter_mode(struct adapter *, uint32_t);
|
|
int set_filter_mask(struct adapter *, uint32_t);
|
|
int get_filter(struct adapter *, struct t4_filter *);
|
|
int set_filter(struct adapter *, struct t4_filter *);
|
|
int del_filter(struct adapter *, struct t4_filter *);
|
|
int t4_filter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
int t4_hashfilter_ao_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
int t4_hashfilter_tcb_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
int t4_del_hashfilter_rpl(struct sge_iq *, const struct rss_header *, struct mbuf *);
|
|
void free_hftid_hash(struct tid_info *);
|
|
|
|
static inline struct wrqe *
|
|
alloc_wrqe(int wr_len, struct sge_wrq *wrq)
|
|
{
|
|
int len = offsetof(struct wrqe, wr) + wr_len;
|
|
struct wrqe *wr;
|
|
|
|
wr = malloc(len, M_CXGBE, M_NOWAIT);
|
|
if (__predict_false(wr == NULL))
|
|
return (NULL);
|
|
wr->wr_len = wr_len;
|
|
wr->wrq = wrq;
|
|
return (wr);
|
|
}
|
|
|
|
static inline void *
|
|
wrtod(struct wrqe *wr)
|
|
{
|
|
return (&wr->wr[0]);
|
|
}
|
|
|
|
static inline void
|
|
free_wrqe(struct wrqe *wr)
|
|
{
|
|
free(wr, M_CXGBE);
|
|
}
|
|
|
|
static inline void
|
|
t4_wrq_tx(struct adapter *sc, struct wrqe *wr)
|
|
{
|
|
struct sge_wrq *wrq = wr->wrq;
|
|
|
|
TXQ_LOCK(wrq);
|
|
t4_wrq_tx_locked(sc, wrq, wr);
|
|
TXQ_UNLOCK(wrq);
|
|
}
|
|
|
|
static inline int
|
|
read_via_memwin(struct adapter *sc, int idx, uint32_t addr, uint32_t *val,
|
|
int len)
|
|
{
|
|
|
|
return (rw_via_memwin(sc, idx, addr, val, len, 0));
|
|
}
|
|
|
|
static inline int
|
|
write_via_memwin(struct adapter *sc, int idx, uint32_t addr,
|
|
const uint32_t *val, int len)
|
|
{
|
|
|
|
return (rw_via_memwin(sc, idx, addr, (void *)(uintptr_t)val, len, 1));
|
|
}
|
|
|
|
/* Number of len16 -> number of descriptors */
|
|
static inline int
|
|
tx_len16_to_desc(int len16)
|
|
{
|
|
|
|
return (howmany(len16, EQ_ESIZE / 16));
|
|
}
|
|
#endif
|