The Design and Implementation of the FreeBSD Operating System, Second Edition
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FreeBSD/Linux Kernel Cross Reference
sys/dev/oce/oce_if.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-3-Clause
    3  *
    4  * Copyright (C) 2013 Emulex
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions are met:
    9  *
   10  * 1. Redistributions of source code must retain the above copyright notice,
   11  *    this list of conditions and the following disclaimer.
   12  *
   13  * 2. Redistributions in binary form must reproduce the above copyright
   14  *    notice, this list of conditions and the following disclaimer in the
   15  *    documentation and/or other materials provided with the distribution.
   16  *
   17  * 3. Neither the name of the Emulex Corporation nor the names of its
   18  *    contributors may be used to endorse or promote products derived from
   19  *    this software without specific prior written permission.
   20  *
   21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   31  * POSSIBILITY OF SUCH DAMAGE.
   32  *
   33  * Contact Information:
   34  * freebsd-drivers@emulex.com
   35  *
   36  * Emulex
   37  * 3333 Susan Street
   38  * Costa Mesa, CA 92626
   39  */
   40 
   41 /* $FreeBSD$ */
   42 
   43 #include <sys/param.h>
   44 #include <sys/endian.h>
   45 #include <sys/epoch.h>
   46 #include <sys/eventhandler.h>
   47 #include <sys/malloc.h>
   48 #include <sys/module.h>
   49 #include <sys/kernel.h>
   50 #include <sys/bus.h>
   51 #include <sys/mbuf.h>
   52 #include <sys/priv.h>
   53 #include <sys/rman.h>
   54 #include <sys/socket.h>
   55 #include <sys/sockio.h>
   56 #include <sys/sockopt.h>
   57 #include <sys/queue.h>
   58 #include <sys/taskqueue.h>
   59 #include <sys/lock.h>
   60 #include <sys/mutex.h>
   61 #include <sys/sysctl.h>
   62 #include <sys/random.h>
   63 #include <sys/firmware.h>
   64 #include <sys/systm.h>
   65 #include <sys/proc.h>
   66 
   67 #include <dev/pci/pcireg.h>
   68 #include <dev/pci/pcivar.h>
   69 
   70 #include <net/bpf.h>
   71 #include <net/ethernet.h>
   72 #include <net/if.h>
   73 #include <net/if_var.h>
   74 #include <net/if_types.h>
   75 #include <net/if_media.h>
   76 #include <net/if_vlan_var.h>
   77 #include <net/if_dl.h>
   78 
   79 #include <netinet/in.h>
   80 #include <netinet/in_systm.h>
   81 #include <netinet/in_var.h>
   82 #include <netinet/if_ether.h>
   83 #include <netinet/ip.h>
   84 #include <netinet/ip6.h>
   85 #include <netinet6/in6_var.h>
   86 #include <netinet6/ip6_mroute.h>
   87 
   88 #include <netinet/udp.h>
   89 #include <netinet/tcp.h>
   90 #include <netinet/sctp.h>
   91 #include <netinet/tcp_lro.h>
   92 #include <netinet/icmp6.h>
   93 
   94 #include <machine/bus.h>
   95 
   96 #include "oce_hw.h"
   97 
   98 /* OCE device driver module component revision informaiton */
   99 #define COMPONENT_REVISION "11.0.50.0"
  100 
  101 /* OCE devices supported by this driver */
  102 #define PCI_VENDOR_EMULEX               0x10df  /* Emulex */
  103 #define PCI_VENDOR_SERVERENGINES        0x19a2  /* ServerEngines (BE) */
  104 #define PCI_PRODUCT_BE2                 0x0700  /* BE2 network adapter */
  105 #define PCI_PRODUCT_BE3                 0x0710  /* BE3 network adapter */
  106 #define PCI_PRODUCT_XE201               0xe220  /* XE201 network adapter */
  107 #define PCI_PRODUCT_XE201_VF            0xe228  /* XE201 with VF in Lancer */
  108 #define PCI_PRODUCT_SH                  0x0720  /* Skyhawk network adapter */
  109 
  110 #define IS_BE(sc)       (((sc->flags & OCE_FLAGS_BE3) | \
  111                          (sc->flags & OCE_FLAGS_BE2))? 1:0)
  112 #define IS_BE3(sc)      (sc->flags & OCE_FLAGS_BE3)
  113 #define IS_BE2(sc)      (sc->flags & OCE_FLAGS_BE2)
  114 #define IS_XE201(sc)    ((sc->flags & OCE_FLAGS_XE201) ? 1:0)
  115 #define HAS_A0_CHIP(sc) ((sc->flags & OCE_FLAGS_HAS_A0_CHIP) ? 1:0)
  116 #define IS_SH(sc)       ((sc->flags & OCE_FLAGS_SH) ? 1 : 0)
  117 
  118 #define is_be_mode_mc(sc)       ((sc->function_mode & FNM_FLEX10_MODE) ||       \
  119                                 (sc->function_mode & FNM_UMC_MODE)    ||        \
  120                                 (sc->function_mode & FNM_VNIC_MODE))
  121 #define OCE_FUNCTION_CAPS_SUPER_NIC     0x40
  122 #define IS_PROFILE_SUPER_NIC(sc) (sc->function_caps & OCE_FUNCTION_CAPS_SUPER_NIC)
  123 
  124 /* proportion Service Level Interface queues */
  125 #define OCE_MAX_UNITS                   2
  126 #define OCE_MAX_PPORT                   OCE_MAX_UNITS
  127 #define OCE_MAX_VPORT                   OCE_MAX_UNITS 
  128 
  129 extern int mp_ncpus;                    /* system's total active cpu cores */
  130 #define OCE_NCPUS                       mp_ncpus
  131 
  132 /* This should be powers of 2. Like 2,4,8 & 16 */
  133 #define OCE_MAX_RSS                     8
  134 #define OCE_LEGACY_MODE_RSS             4 /* For BE3 Legacy mode*/
  135 #define is_rss_enabled(sc)              ((sc->function_caps & FNC_RSS) && !is_be_mode_mc(sc))
  136 
  137 #define OCE_MIN_RQ                      1
  138 #define OCE_MIN_WQ                      1
  139 
  140 #define OCE_MAX_RQ                      OCE_MAX_RSS + 1 /* one default queue */ 
  141 #define OCE_MAX_WQ                      8
  142 
  143 #define OCE_MAX_EQ                      32
  144 #define OCE_MAX_CQ                      OCE_MAX_RQ + OCE_MAX_WQ + 1 /* one MCC queue */
  145 #define OCE_MAX_CQ_EQ                   8 /* Max CQ that can attached to an EQ */
  146 
  147 #define OCE_DEFAULT_WQ_EQD              16
  148 #define OCE_MAX_PACKET_Q                16
  149 #define OCE_LSO_MAX_SIZE                (64 * 1024)
  150 #define LONG_TIMEOUT                    30
  151 #define OCE_MAX_JUMBO_FRAME_SIZE        9018
  152 #define OCE_MAX_MTU                     (OCE_MAX_JUMBO_FRAME_SIZE - \
  153                                                 ETHER_VLAN_ENCAP_LEN - \
  154                                                 ETHER_HDR_LEN)
  155 
  156 #define OCE_RDMA_VECTORS                2
  157 
  158 #define OCE_MAX_TX_ELEMENTS             29
  159 #define OCE_MAX_TX_DESC                 1024
  160 #define OCE_MAX_TX_SIZE                 65535
  161 #define OCE_MAX_TSO_SIZE                (65535 - ETHER_HDR_LEN)
  162 #define OCE_MAX_RX_SIZE                 4096
  163 #define OCE_MAX_RQ_POSTS                255
  164 #define OCE_HWLRO_MAX_RQ_POSTS          64
  165 #define OCE_DEFAULT_PROMISCUOUS         0
  166 
  167 #define RSS_ENABLE_IPV4                 0x1
  168 #define RSS_ENABLE_TCP_IPV4             0x2
  169 #define RSS_ENABLE_IPV6                 0x4
  170 #define RSS_ENABLE_TCP_IPV6             0x8
  171 
  172 #define INDIRECTION_TABLE_ENTRIES       128
  173 
  174 /* flow control definitions */
  175 #define OCE_FC_NONE                     0x00000000
  176 #define OCE_FC_TX                       0x00000001
  177 #define OCE_FC_RX                       0x00000002
  178 #define OCE_DEFAULT_FLOW_CONTROL        (OCE_FC_TX | OCE_FC_RX)
  179 
  180 /* Interface capabilities to give device when creating interface */
  181 #define  OCE_CAPAB_FLAGS                (MBX_RX_IFACE_FLAGS_BROADCAST    | \
  182                                         MBX_RX_IFACE_FLAGS_UNTAGGED      | \
  183                                         MBX_RX_IFACE_FLAGS_PROMISCUOUS      | \
  184                                         MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS |   \
  185                                         MBX_RX_IFACE_FLAGS_MCAST_PROMISCUOUS   | \
  186                                         MBX_RX_IFACE_FLAGS_RSS | \
  187                                         MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
  188 
  189 /* Interface capabilities to enable by default (others set dynamically) */
  190 #define  OCE_CAPAB_ENABLE               (MBX_RX_IFACE_FLAGS_BROADCAST | \
  191                                         MBX_RX_IFACE_FLAGS_UNTAGGED   | \
  192                                         MBX_RX_IFACE_FLAGS_PASS_L3L4_ERR)
  193 
  194 #define OCE_IF_HWASSIST                 (CSUM_IP | CSUM_TCP | CSUM_UDP)
  195 #define OCE_IF_CAPABILITIES             (IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING | \
  196                                         IFCAP_HWCSUM | IFCAP_VLAN_HWCSUM | \
  197                                         IFCAP_JUMBO_MTU | IFCAP_VLAN_MTU)
  198 #define OCE_IF_HWASSIST_NONE            0
  199 #define OCE_IF_CAPABILITIES_NONE        0
  200 
  201 #define MAX_VLANFILTER_SIZE             64
  202 #define MAX_VLANS                       4096
  203 
  204 #define upper_32_bits(n)                ((uint32_t)(((n) >> 16) >> 16))
  205 #define BSWAP_8(x)                      ((x) & 0xff)
  206 #define BSWAP_16(x)                     ((BSWAP_8(x) << 8) | BSWAP_8((x) >> 8))
  207 #define BSWAP_32(x)                     ((BSWAP_16(x) << 16) | \
  208                                          BSWAP_16((x) >> 16))
  209 #define BSWAP_64(x)                     ((BSWAP_32(x) << 32) | \
  210                                         BSWAP_32((x) >> 32))
  211 
  212 #define for_all_wq_queues(sc, wq, i)    \
  213                 for (i = 0, wq = sc->wq[0]; i < sc->nwqs; i++, wq = sc->wq[i])
  214 #define for_all_rq_queues(sc, rq, i)    \
  215                 for (i = 0, rq = sc->rq[0]; i < sc->nrqs; i++, rq = sc->rq[i])
  216 #define for_all_rss_queues(sc, rq, i)   \
  217                 for (i = 0, rq = sc->rq[i + 1]; i < (sc->nrqs - 1); \
  218                      i++, rq = sc->rq[i + 1])
  219 #define for_all_evnt_queues(sc, eq, i)  \
  220                 for (i = 0, eq = sc->eq[0]; i < sc->neqs; i++, eq = sc->eq[i])
  221 #define for_all_cq_queues(sc, cq, i)    \
  222                 for (i = 0, cq = sc->cq[0]; i < sc->ncqs; i++, cq = sc->cq[i])
  223 
  224 /* Flash specific */
  225 #define IOCTL_COOKIE                    "SERVERENGINES CORP"
  226 #define MAX_FLASH_COMP                  32
  227 
  228 #define IMG_ISCSI                       160
  229 #define IMG_REDBOOT                     224
  230 #define IMG_BIOS                        34
  231 #define IMG_PXEBIOS                     32
  232 #define IMG_FCOEBIOS                    33
  233 #define IMG_ISCSI_BAK                   176
  234 #define IMG_FCOE                        162
  235 #define IMG_FCOE_BAK                    178
  236 #define IMG_NCSI                        16
  237 #define IMG_PHY                         192
  238 #define FLASHROM_OPER_FLASH             1
  239 #define FLASHROM_OPER_SAVE              2
  240 #define FLASHROM_OPER_REPORT            4
  241 #define FLASHROM_OPER_FLASH_PHY         9
  242 #define FLASHROM_OPER_SAVE_PHY          10
  243 #define TN_8022                         13
  244 
  245 enum {
  246         PHY_TYPE_CX4_10GB = 0,
  247         PHY_TYPE_XFP_10GB,
  248         PHY_TYPE_SFP_1GB,
  249         PHY_TYPE_SFP_PLUS_10GB,
  250         PHY_TYPE_KR_10GB,
  251         PHY_TYPE_KX4_10GB,
  252         PHY_TYPE_BASET_10GB,
  253         PHY_TYPE_BASET_1GB,
  254         PHY_TYPE_BASEX_1GB,
  255         PHY_TYPE_SGMII,
  256         PHY_TYPE_DISABLED = 255
  257 };
  258 
  259 /**
  260  * @brief Define and hold all necessary info for a single interrupt
  261  */
  262 #define OCE_MAX_MSI                     32 /* Message Signaled Interrupts */
  263 #define OCE_MAX_MSIX                    2048 /* PCI Express MSI Interrrupts */
  264 
  265 typedef struct oce_intr_info {
  266         void *tag;              /* cookie returned by bus_setup_intr */
  267         struct resource *intr_res;      /* PCI resource container */
  268         int irq_rr;             /* resource id for the interrupt */
  269         struct oce_softc *sc;   /* pointer to the parent soft c */
  270         struct oce_eq *eq;      /* pointer to the connected EQ */
  271         struct taskqueue *tq;   /* Associated task queue */
  272         struct task task;       /* task queue task */
  273         char task_name[32];     /* task name */
  274         int vector;             /* interrupt vector number */
  275 } OCE_INTR_INFO, *POCE_INTR_INFO;
  276 
  277 /* Ring related */
  278 #define GET_Q_NEXT(_START, _STEP, _END) \
  279         (((_START) + (_STEP)) < (_END) ? ((_START) + (_STEP)) \
  280         : (((_START) + (_STEP)) - (_END)))
  281 
  282 #define DBUF_PA(obj)                    ((obj)->addr)
  283 #define DBUF_VA(obj)                    ((obj)->ptr)
  284 #define DBUF_TAG(obj)                   ((obj)->tag)
  285 #define DBUF_MAP(obj)                   ((obj)->map)
  286 #define DBUF_SYNC(obj, flags)           \
  287                 (void) bus_dmamap_sync(DBUF_TAG(obj), DBUF_MAP(obj), (flags))
  288 
  289 #define RING_NUM_PENDING(ring)          ring->num_used
  290 #define RING_FULL(ring)                 (ring->num_used == ring->num_items)
  291 #define RING_EMPTY(ring)                (ring->num_used == 0)
  292 #define RING_NUM_FREE(ring)             \
  293                 (uint32_t)(ring->num_items - ring->num_used)
  294 #define RING_GET(ring, n)               \
  295                 ring->cidx = GET_Q_NEXT(ring->cidx, n, ring->num_items)
  296 #define RING_PUT(ring, n)               \
  297                 ring->pidx = GET_Q_NEXT(ring->pidx, n, ring->num_items)
  298 
  299 #define RING_GET_CONSUMER_ITEM_VA(ring, type)   \
  300         (void*)((type *)DBUF_VA(&ring->dma) + ring->cidx)
  301 #define RING_GET_CONSUMER_ITEM_PA(ring, type)           \
  302         (uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->cidx)
  303 #define RING_GET_PRODUCER_ITEM_VA(ring, type)           \
  304         (void *)(((type *)DBUF_VA(&ring->dma)) + ring->pidx)
  305 #define RING_GET_PRODUCER_ITEM_PA(ring, type)           \
  306         (uint64_t)(((type *)DBUF_PA(ring->dbuf)) + ring->pidx)
  307 
  308 #define OCE_DMAPTR(o, c)                ((c *)(o)->ptr)
  309 
  310 struct oce_packet_desc {
  311         struct mbuf *mbuf;
  312         bus_dmamap_t map;
  313         int nsegs;
  314         uint32_t wqe_idx;
  315 };
  316 
  317 typedef struct oce_dma_mem {
  318         bus_dma_tag_t tag;
  319         bus_dmamap_t map;
  320         void *ptr;
  321         bus_addr_t paddr;
  322 } OCE_DMA_MEM, *POCE_DMA_MEM;
  323 
  324 typedef struct oce_ring_buffer_s {
  325         uint16_t cidx;  /* Get ptr */
  326         uint16_t pidx;  /* Put Ptr */
  327         size_t item_size;
  328         size_t num_items;
  329         uint32_t num_used;
  330         OCE_DMA_MEM dma;
  331 } oce_ring_buffer_t;
  332 
  333 /* Stats */
  334 #define OCE_UNICAST_PACKET      0
  335 #define OCE_MULTICAST_PACKET    1
  336 #define OCE_BROADCAST_PACKET    2
  337 #define OCE_RSVD_PACKET         3
  338 
  339 struct oce_rx_stats {
  340         /* Total Receive Stats*/
  341         uint64_t t_rx_pkts;
  342         uint64_t t_rx_bytes;
  343         uint32_t t_rx_frags;
  344         uint32_t t_rx_mcast_pkts;
  345         uint32_t t_rx_ucast_pkts;
  346         uint32_t t_rxcp_errs;
  347 };
  348 struct oce_tx_stats {
  349         /*Total Transmit Stats */
  350         uint64_t t_tx_pkts;
  351         uint64_t t_tx_bytes;
  352         uint32_t t_tx_reqs;
  353         uint32_t t_tx_stops;
  354         uint32_t t_tx_wrbs;
  355         uint32_t t_tx_compl;
  356         uint32_t t_ipv6_ext_hdr_tx_drop;
  357 };
  358 
  359 struct oce_be_stats {
  360         uint8_t  be_on_die_temperature;
  361         uint32_t be_tx_events;
  362         uint32_t eth_red_drops;
  363         uint32_t rx_drops_no_pbuf;
  364         uint32_t rx_drops_no_txpb;
  365         uint32_t rx_drops_no_erx_descr;
  366         uint32_t rx_drops_no_tpre_descr;
  367         uint32_t rx_drops_too_many_frags;
  368         uint32_t rx_drops_invalid_ring;
  369         uint32_t forwarded_packets;
  370         uint32_t rx_drops_mtu;
  371         uint32_t rx_crc_errors;
  372         uint32_t rx_alignment_symbol_errors;
  373         uint32_t rx_pause_frames;
  374         uint32_t rx_priority_pause_frames;
  375         uint32_t rx_control_frames;
  376         uint32_t rx_in_range_errors;
  377         uint32_t rx_out_range_errors;
  378         uint32_t rx_frame_too_long;
  379         uint32_t rx_address_match_errors;
  380         uint32_t rx_dropped_too_small;
  381         uint32_t rx_dropped_too_short;
  382         uint32_t rx_dropped_header_too_small;
  383         uint32_t rx_dropped_tcp_length;
  384         uint32_t rx_dropped_runt;
  385         uint32_t rx_ip_checksum_errs;
  386         uint32_t rx_tcp_checksum_errs;
  387         uint32_t rx_udp_checksum_errs;
  388         uint32_t rx_switched_unicast_packets;
  389         uint32_t rx_switched_multicast_packets;
  390         uint32_t rx_switched_broadcast_packets;
  391         uint32_t tx_pauseframes;
  392         uint32_t tx_priority_pauseframes;
  393         uint32_t tx_controlframes;
  394         uint32_t rxpp_fifo_overflow_drop;
  395         uint32_t rx_input_fifo_overflow_drop;
  396         uint32_t pmem_fifo_overflow_drop;
  397         uint32_t jabber_events;
  398 };
  399 
  400 struct oce_xe201_stats {
  401         uint64_t tx_pkts;
  402         uint64_t tx_unicast_pkts;
  403         uint64_t tx_multicast_pkts;
  404         uint64_t tx_broadcast_pkts;
  405         uint64_t tx_bytes;
  406         uint64_t tx_unicast_bytes;
  407         uint64_t tx_multicast_bytes;
  408         uint64_t tx_broadcast_bytes;
  409         uint64_t tx_discards;
  410         uint64_t tx_errors;
  411         uint64_t tx_pause_frames;
  412         uint64_t tx_pause_on_frames;
  413         uint64_t tx_pause_off_frames;
  414         uint64_t tx_internal_mac_errors;
  415         uint64_t tx_control_frames;
  416         uint64_t tx_pkts_64_bytes;
  417         uint64_t tx_pkts_65_to_127_bytes;
  418         uint64_t tx_pkts_128_to_255_bytes;
  419         uint64_t tx_pkts_256_to_511_bytes;
  420         uint64_t tx_pkts_512_to_1023_bytes;
  421         uint64_t tx_pkts_1024_to_1518_bytes;
  422         uint64_t tx_pkts_1519_to_2047_bytes;
  423         uint64_t tx_pkts_2048_to_4095_bytes;
  424         uint64_t tx_pkts_4096_to_8191_bytes;
  425         uint64_t tx_pkts_8192_to_9216_bytes;
  426         uint64_t tx_lso_pkts;
  427         uint64_t rx_pkts;
  428         uint64_t rx_unicast_pkts;
  429         uint64_t rx_multicast_pkts;
  430         uint64_t rx_broadcast_pkts;
  431         uint64_t rx_bytes;
  432         uint64_t rx_unicast_bytes;
  433         uint64_t rx_multicast_bytes;
  434         uint64_t rx_broadcast_bytes;
  435         uint32_t rx_unknown_protos;
  436         uint64_t rx_discards;
  437         uint64_t rx_errors;
  438         uint64_t rx_crc_errors;
  439         uint64_t rx_alignment_errors;
  440         uint64_t rx_symbol_errors;
  441         uint64_t rx_pause_frames;
  442         uint64_t rx_pause_on_frames;
  443         uint64_t rx_pause_off_frames;
  444         uint64_t rx_frames_too_long;
  445         uint64_t rx_internal_mac_errors;
  446         uint32_t rx_undersize_pkts;
  447         uint32_t rx_oversize_pkts;
  448         uint32_t rx_fragment_pkts;
  449         uint32_t rx_jabbers;
  450         uint64_t rx_control_frames;
  451         uint64_t rx_control_frames_unknown_opcode;
  452         uint32_t rx_in_range_errors;
  453         uint32_t rx_out_of_range_errors;
  454         uint32_t rx_address_match_errors;
  455         uint32_t rx_vlan_mismatch_errors;
  456         uint32_t rx_dropped_too_small;
  457         uint32_t rx_dropped_too_short;
  458         uint32_t rx_dropped_header_too_small;
  459         uint32_t rx_dropped_invalid_tcp_length;
  460         uint32_t rx_dropped_runt;
  461         uint32_t rx_ip_checksum_errors;
  462         uint32_t rx_tcp_checksum_errors;
  463         uint32_t rx_udp_checksum_errors;
  464         uint32_t rx_non_rss_pkts;
  465         uint64_t rx_ipv4_pkts;
  466         uint64_t rx_ipv6_pkts;
  467         uint64_t rx_ipv4_bytes;
  468         uint64_t rx_ipv6_bytes;
  469         uint64_t rx_nic_pkts;
  470         uint64_t rx_tcp_pkts;
  471         uint64_t rx_iscsi_pkts;
  472         uint64_t rx_management_pkts;
  473         uint64_t rx_switched_unicast_pkts;
  474         uint64_t rx_switched_multicast_pkts;
  475         uint64_t rx_switched_broadcast_pkts;
  476         uint64_t num_forwards;
  477         uint32_t rx_fifo_overflow;
  478         uint32_t rx_input_fifo_overflow;
  479         uint64_t rx_drops_too_many_frags;
  480         uint32_t rx_drops_invalid_queue;
  481         uint64_t rx_drops_mtu;
  482         uint64_t rx_pkts_64_bytes;
  483         uint64_t rx_pkts_65_to_127_bytes;
  484         uint64_t rx_pkts_128_to_255_bytes;
  485         uint64_t rx_pkts_256_to_511_bytes;
  486         uint64_t rx_pkts_512_to_1023_bytes;
  487         uint64_t rx_pkts_1024_to_1518_bytes;
  488         uint64_t rx_pkts_1519_to_2047_bytes;
  489         uint64_t rx_pkts_2048_to_4095_bytes;
  490         uint64_t rx_pkts_4096_to_8191_bytes;
  491         uint64_t rx_pkts_8192_to_9216_bytes;
  492 };
  493 
  494 struct oce_drv_stats {
  495         struct oce_rx_stats rx;
  496         struct oce_tx_stats tx;
  497         union {
  498                 struct oce_be_stats be;
  499                 struct oce_xe201_stats xe201;
  500         } u0;
  501 };
  502 
  503 #define INTR_RATE_HWM                   15000
  504 #define INTR_RATE_LWM                   10000
  505 
  506 #define OCE_MAX_EQD 128u
  507 #define OCE_MIN_EQD 0u
  508 
  509 struct oce_set_eqd {
  510         uint32_t eq_id;
  511         uint32_t phase;
  512         uint32_t delay_multiplier;
  513 };
  514 
  515 struct oce_aic_obj {             /* Adaptive interrupt coalescing (AIC) info */
  516         boolean_t enable;
  517         uint32_t  min_eqd;            /* in usecs */
  518         uint32_t  max_eqd;            /* in usecs */
  519         uint32_t  cur_eqd;            /* in usecs */
  520         uint32_t  et_eqd;             /* configured value when aic is off */
  521         uint64_t  ticks;
  522         uint64_t  prev_rxpkts;
  523         uint64_t  prev_txreqs;
  524 };
  525 
  526 #define MAX_LOCK_DESC_LEN                       32
  527 struct oce_lock {
  528         struct mtx mutex;
  529         char name[MAX_LOCK_DESC_LEN+1];
  530 };
  531 #define OCE_LOCK                                struct oce_lock
  532 
  533 #define LOCK_CREATE(lock, desc)                 { \
  534         strncpy((lock)->name, (desc), MAX_LOCK_DESC_LEN); \
  535         (lock)->name[MAX_LOCK_DESC_LEN] = '\0'; \
  536         mtx_init(&(lock)->mutex, (lock)->name, NULL, MTX_DEF); \
  537 }
  538 #define LOCK_DESTROY(lock)                      \
  539                 if (mtx_initialized(&(lock)->mutex))\
  540                         mtx_destroy(&(lock)->mutex)
  541 #define TRY_LOCK(lock)                          mtx_trylock(&(lock)->mutex)
  542 #define LOCK(lock)                              mtx_lock(&(lock)->mutex)
  543 #define LOCKED(lock)                            mtx_owned(&(lock)->mutex)
  544 #define UNLOCK(lock)                            mtx_unlock(&(lock)->mutex)
  545 
  546 #define DEFAULT_MQ_MBOX_TIMEOUT                 (5 * 1000 * 1000)
  547 #define MBX_READY_TIMEOUT                       (1 * 1000 * 1000)
  548 #define DEFAULT_DRAIN_TIME                      200
  549 #define MBX_TIMEOUT_SEC                         5
  550 #define STAT_TIMEOUT                            2000000
  551 
  552 /* size of the packet descriptor array in a transmit queue */
  553 #define OCE_TX_RING_SIZE                        2048
  554 #define OCE_RX_RING_SIZE                        1024
  555 #define OCE_WQ_PACKET_ARRAY_SIZE                (OCE_TX_RING_SIZE/2)
  556 #define OCE_RQ_PACKET_ARRAY_SIZE                (OCE_RX_RING_SIZE)
  557 
  558 struct oce_dev;
  559 
  560 enum eq_len {
  561         EQ_LEN_256  = 256,
  562         EQ_LEN_512  = 512,
  563         EQ_LEN_1024 = 1024,
  564         EQ_LEN_2048 = 2048,
  565         EQ_LEN_4096 = 4096
  566 };
  567 
  568 enum eqe_size {
  569         EQE_SIZE_4  = 4,
  570         EQE_SIZE_16 = 16
  571 };
  572 
  573 enum qtype {
  574         QTYPE_EQ,
  575         QTYPE_MQ,
  576         QTYPE_WQ,
  577         QTYPE_RQ,
  578         QTYPE_CQ,
  579         QTYPE_RSS
  580 };
  581 
  582 typedef enum qstate_e {
  583         QDELETED = 0x0,
  584         QCREATED = 0x1
  585 } qstate_t;
  586 
  587 struct eq_config {
  588         enum eq_len q_len;
  589         enum eqe_size item_size;
  590         uint32_t q_vector_num;
  591         uint8_t min_eqd;
  592         uint8_t max_eqd;
  593         uint8_t cur_eqd;
  594         uint8_t pad;
  595 };
  596 
  597 struct oce_eq {
  598         uint32_t eq_id;
  599         void *parent;
  600         void *cb_context;
  601         oce_ring_buffer_t *ring;
  602         uint32_t ref_count;
  603         qstate_t qstate;
  604         struct oce_cq *cq[OCE_MAX_CQ_EQ];
  605         int cq_valid; 
  606         struct eq_config eq_cfg;
  607         int vector;
  608         uint64_t intr;
  609 };
  610 
  611 enum cq_len {
  612         CQ_LEN_256  = 256,
  613         CQ_LEN_512  = 512,
  614         CQ_LEN_1024 = 1024,
  615         CQ_LEN_2048 = 2048
  616 };
  617 
  618 struct cq_config {
  619         enum cq_len q_len;
  620         uint32_t item_size;
  621         boolean_t is_eventable;
  622         boolean_t sol_eventable;
  623         boolean_t nodelay;
  624         uint16_t dma_coalescing;
  625 };
  626 
  627 typedef uint16_t(*cq_handler_t) (void *arg1);
  628 
  629 struct oce_cq {
  630         uint32_t cq_id;
  631         void *parent;
  632         struct oce_eq *eq;
  633         cq_handler_t cq_handler;
  634         void *cb_arg;
  635         oce_ring_buffer_t *ring;
  636         qstate_t qstate;
  637         struct cq_config cq_cfg;
  638         uint32_t ref_count;
  639 };
  640 
  641 struct mq_config {
  642         uint32_t eqd;
  643         uint8_t q_len;
  644         uint8_t pad[3];
  645 };
  646 
  647 struct oce_mq {
  648         void *parent;
  649         oce_ring_buffer_t *ring;
  650         uint32_t mq_id;
  651         struct oce_cq *cq;
  652         struct oce_cq *async_cq;
  653         uint32_t mq_free;
  654         qstate_t qstate;
  655         struct mq_config cfg;
  656 };
  657 
  658 struct oce_mbx_ctx {
  659         struct oce_mbx *mbx;
  660         void (*cb) (void *ctx);
  661         void *cb_ctx;
  662 };
  663 
  664 struct wq_config {
  665         uint8_t wq_type;
  666         uint16_t buf_size;
  667         uint8_t pad[1];
  668         uint32_t q_len;
  669         uint16_t pd_id;
  670         uint16_t pci_fn_num;
  671         uint32_t eqd;   /* interrupt delay */
  672         uint32_t nbufs;
  673         uint32_t nhdl;
  674 };
  675 
  676 struct oce_tx_queue_stats {
  677         uint64_t tx_pkts;
  678         uint64_t tx_bytes;
  679         uint32_t tx_reqs;
  680         uint32_t tx_stops; /* number of times TX Q was stopped */
  681         uint32_t tx_wrbs;
  682         uint32_t tx_compl;
  683         uint32_t tx_rate;
  684         uint32_t ipv6_ext_hdr_tx_drop;
  685 };
  686 
  687 struct oce_wq {
  688         OCE_LOCK tx_lock;
  689         OCE_LOCK tx_compl_lock;
  690         void *parent;
  691         oce_ring_buffer_t *ring;
  692         struct oce_cq *cq;
  693         bus_dma_tag_t tag;
  694         struct oce_packet_desc pckts[OCE_WQ_PACKET_ARRAY_SIZE];
  695         uint32_t pkt_desc_tail;
  696         uint32_t pkt_desc_head;
  697         uint32_t wqm_used;
  698         boolean_t resched;
  699         uint32_t wq_free;
  700         uint32_t tx_deferd;
  701         uint32_t pkt_drops;
  702         qstate_t qstate;
  703         uint16_t wq_id;
  704         struct wq_config cfg;
  705         int queue_index;
  706         struct oce_tx_queue_stats tx_stats;
  707         struct buf_ring *br;
  708         struct task txtask;
  709         uint32_t db_offset;
  710 };
  711 
  712 struct rq_config {
  713         uint32_t q_len;
  714         uint32_t frag_size;
  715         uint32_t mtu;
  716         uint32_t if_id;
  717         uint32_t is_rss_queue;
  718         uint32_t eqd;
  719         uint32_t nbufs;
  720 };
  721 
  722 struct oce_rx_queue_stats {
  723         uint32_t rx_post_fail;
  724         uint32_t rx_ucast_pkts;
  725         uint32_t rx_compl;
  726         uint64_t rx_bytes;
  727         uint64_t rx_bytes_prev;
  728         uint64_t rx_pkts;
  729         uint32_t rx_rate;
  730         uint32_t rx_mcast_pkts;
  731         uint32_t rxcp_err;
  732         uint32_t rx_frags;
  733         uint32_t prev_rx_frags;
  734         uint32_t rx_fps;
  735         uint32_t rx_drops_no_frags;  /* HW has no fetched frags */
  736 };
  737 
  738 struct oce_rq {
  739         struct rq_config cfg;
  740         uint32_t rq_id;
  741         int queue_index;
  742         uint32_t rss_cpuid;
  743         void *parent;
  744         oce_ring_buffer_t *ring;
  745         struct oce_cq *cq;
  746         void *pad1;
  747         bus_dma_tag_t tag;
  748         struct oce_packet_desc pckts[OCE_RQ_PACKET_ARRAY_SIZE];
  749         uint32_t pending;
  750 #ifdef notdef
  751         struct mbuf *head;
  752         struct mbuf *tail;
  753         int fragsleft;
  754 #endif
  755         qstate_t qstate;
  756         OCE_LOCK rx_lock;
  757         struct oce_rx_queue_stats rx_stats;
  758         struct lro_ctrl lro;
  759         int lro_pkts_queued;
  760         int islro;
  761         struct nic_hwlro_cqe_part1 *cqe_firstpart;
  762 
  763 };
  764 
  765 struct link_status {
  766         uint8_t phys_port_speed;
  767         uint8_t logical_link_status;
  768         uint16_t qos_link_speed;
  769 };
  770 
  771 #define OCE_FLAGS_PCIX                  0x00000001
  772 #define OCE_FLAGS_PCIE                  0x00000002
  773 #define OCE_FLAGS_MSI_CAPABLE           0x00000004
  774 #define OCE_FLAGS_MSIX_CAPABLE          0x00000008
  775 #define OCE_FLAGS_USING_MSI             0x00000010
  776 #define OCE_FLAGS_USING_MSIX            0x00000020
  777 #define OCE_FLAGS_FUNCRESET_RQD         0x00000040
  778 #define OCE_FLAGS_VIRTUAL_PORT          0x00000080
  779 #define OCE_FLAGS_MBOX_ENDIAN_RQD       0x00000100
  780 #define OCE_FLAGS_BE3                   0x00000200
  781 #define OCE_FLAGS_XE201                 0x00000400
  782 #define OCE_FLAGS_BE2                   0x00000800
  783 #define OCE_FLAGS_SH                    0x00001000
  784 #define OCE_FLAGS_OS2BMC                0x00002000
  785 
  786 #define OCE_DEV_BE2_CFG_BAR             1
  787 #define OCE_DEV_CFG_BAR                 0
  788 #define OCE_PCI_CSR_BAR                 2
  789 #define OCE_PCI_DB_BAR                  4
  790 
  791 typedef struct oce_softc {
  792         device_t dev;
  793         OCE_LOCK dev_lock;
  794 
  795         uint32_t flags;
  796 
  797         uint32_t pcie_link_speed;
  798         uint32_t pcie_link_width;
  799 
  800         uint8_t fn; /* PCI function number */
  801 
  802         struct resource *devcfg_res;
  803         bus_space_tag_t devcfg_btag;
  804         bus_space_handle_t devcfg_bhandle;
  805         void *devcfg_vhandle;
  806 
  807         struct resource *csr_res;
  808         bus_space_tag_t csr_btag;
  809         bus_space_handle_t csr_bhandle;
  810         void *csr_vhandle;
  811 
  812         struct resource *db_res;
  813         bus_space_tag_t db_btag;
  814         bus_space_handle_t db_bhandle;
  815         void *db_vhandle;
  816 
  817         OCE_INTR_INFO intrs[OCE_MAX_EQ];
  818         int intr_count;
  819         int roce_intr_count;
  820 
  821         struct ifnet *ifp;
  822 
  823         struct ifmedia media;
  824         uint8_t link_status;
  825         uint8_t link_speed;
  826         uint8_t duplex;
  827         uint32_t qos_link_speed;
  828         uint32_t speed;
  829         uint32_t enable_hwlro;
  830 
  831         char fw_version[32];
  832         struct mac_address_format macaddr;
  833 
  834         OCE_DMA_MEM bsmbx;
  835         OCE_LOCK bmbx_lock;
  836 
  837         uint32_t config_number;
  838         uint32_t asic_revision;
  839         uint32_t port_id;
  840         uint32_t function_mode;
  841         uint32_t function_caps;
  842         uint32_t max_tx_rings;
  843         uint32_t max_rx_rings;
  844 
  845         struct oce_wq *wq[OCE_MAX_WQ];  /* TX work queues */
  846         struct oce_rq *rq[OCE_MAX_RQ];  /* RX work queues */
  847         struct oce_cq *cq[OCE_MAX_CQ];  /* Completion queues */
  848         struct oce_eq *eq[OCE_MAX_EQ];  /* Event queues */
  849         struct oce_mq *mq;              /* Mailbox queue */
  850 
  851         uint32_t neqs;
  852         uint32_t ncqs;
  853         uint32_t nrqs;
  854         uint32_t nwqs;
  855         uint32_t nrssqs;
  856 
  857         uint32_t tx_ring_size;
  858         uint32_t rx_ring_size;
  859         uint32_t rq_frag_size;
  860 
  861         uint32_t if_id;         /* interface ID */
  862         uint32_t nifs;          /* number of adapter interfaces, 0 or 1 */
  863         uint32_t pmac_id;       /* PMAC id */
  864 
  865         uint32_t if_cap_flags;
  866 
  867         uint32_t flow_control;
  868         uint8_t  promisc;
  869 
  870         struct oce_aic_obj aic_obj[OCE_MAX_EQ];
  871 
  872         /*Vlan Filtering related */
  873         eventhandler_tag vlan_attach;
  874         eventhandler_tag vlan_detach;
  875         uint16_t vlans_added;
  876         uint8_t vlan_tag[MAX_VLANS];
  877         /*stats */
  878         OCE_DMA_MEM stats_mem;
  879         struct oce_drv_stats oce_stats_info;
  880         struct callout  timer;
  881         int8_t be3_native;
  882         uint8_t hw_error;
  883         uint16_t qnq_debug_event;
  884         uint16_t qnqid;
  885         uint32_t pvid;
  886         uint32_t max_vlans;
  887         uint32_t bmc_filt_mask;
  888 
  889         void *rdma_context;
  890         uint32_t rdma_flags;
  891         struct oce_softc *next;
  892 
  893 } OCE_SOFTC, *POCE_SOFTC;
  894 
  895 #define OCE_RDMA_FLAG_SUPPORTED         0x00000001
  896 
  897 /**************************************************
  898  * BUS memory read/write macros
  899  * BE3: accesses three BAR spaces (CFG, CSR, DB)
  900  * Lancer: accesses one BAR space (CFG)
  901  **************************************************/
  902 #define OCE_READ_CSR_MPU(sc, space, o) \
  903         ((IS_BE(sc)) ? (bus_space_read_4((sc)->space##_btag, \
  904                                         (sc)->space##_bhandle,o)) \
  905                                 : (bus_space_read_4((sc)->devcfg_btag, \
  906                                         (sc)->devcfg_bhandle,o)))
  907 #define OCE_READ_REG32(sc, space, o) \
  908         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_4((sc)->space##_btag, \
  909                                         (sc)->space##_bhandle,o)) \
  910                                 : (bus_space_read_4((sc)->devcfg_btag, \
  911                                         (sc)->devcfg_bhandle,o)))
  912 #define OCE_READ_REG16(sc, space, o) \
  913         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_2((sc)->space##_btag, \
  914                                         (sc)->space##_bhandle,o)) \
  915                                 : (bus_space_read_2((sc)->devcfg_btag, \
  916                                         (sc)->devcfg_bhandle,o)))
  917 #define OCE_READ_REG8(sc, space, o) \
  918         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_read_1((sc)->space##_btag, \
  919                                         (sc)->space##_bhandle,o)) \
  920                                 : (bus_space_read_1((sc)->devcfg_btag, \
  921                                         (sc)->devcfg_bhandle,o)))
  922 
  923 #define OCE_WRITE_CSR_MPU(sc, space, o, v) \
  924         ((IS_BE(sc)) ? (bus_space_write_4((sc)->space##_btag, \
  925                                        (sc)->space##_bhandle,o,v)) \
  926                                 : (bus_space_write_4((sc)->devcfg_btag, \
  927                                         (sc)->devcfg_bhandle,o,v)))
  928 #define OCE_WRITE_REG32(sc, space, o, v) \
  929         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_4((sc)->space##_btag, \
  930                                        (sc)->space##_bhandle,o,v)) \
  931                                 : (bus_space_write_4((sc)->devcfg_btag, \
  932                                         (sc)->devcfg_bhandle,o,v)))
  933 #define OCE_WRITE_REG16(sc, space, o, v) \
  934         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_2((sc)->space##_btag, \
  935                                        (sc)->space##_bhandle,o,v)) \
  936                                 : (bus_space_write_2((sc)->devcfg_btag, \
  937                                         (sc)->devcfg_bhandle,o,v)))
  938 #define OCE_WRITE_REG8(sc, space, o, v) \
  939         ((IS_BE(sc) || IS_SH(sc)) ? (bus_space_write_1((sc)->space##_btag, \
  940                                        (sc)->space##_bhandle,o,v)) \
  941                                 : (bus_space_write_1((sc)->devcfg_btag, \
  942                                         (sc)->devcfg_bhandle,o,v)))
  943 
  944 void oce_rx_flush_lro(struct oce_rq *rq);
  945 /***********************************************************
  946  * DMA memory functions
  947  ***********************************************************/
  948 #define oce_dma_sync(d, f)              bus_dmamap_sync((d)->tag, (d)->map, f)
  949 int oce_dma_alloc(POCE_SOFTC sc, bus_size_t size, POCE_DMA_MEM dma, int flags);
  950 void oce_dma_free(POCE_SOFTC sc, POCE_DMA_MEM dma);
  951 void oce_dma_map_addr(void *arg, bus_dma_segment_t * segs, int nseg, int error);
  952 void oce_destroy_ring_buffer(POCE_SOFTC sc, oce_ring_buffer_t *ring);
  953 oce_ring_buffer_t *oce_create_ring_buffer(POCE_SOFTC sc,
  954                                           uint32_t q_len, uint32_t num_entries);
  955 /************************************************************
  956  * oce_hw_xxx functions
  957  ************************************************************/
  958 int oce_clear_rx_buf(struct oce_rq *rq); 
  959 int oce_hw_pci_alloc(POCE_SOFTC sc);
  960 int oce_hw_init(POCE_SOFTC sc);
  961 int oce_hw_start(POCE_SOFTC sc);
  962 int oce_create_nw_interface(POCE_SOFTC sc);
  963 int oce_pci_soft_reset(POCE_SOFTC sc);
  964 int oce_hw_update_multicast(POCE_SOFTC sc);
  965 void oce_delete_nw_interface(POCE_SOFTC sc);
  966 void oce_hw_shutdown(POCE_SOFTC sc);
  967 void oce_hw_intr_enable(POCE_SOFTC sc);
  968 void oce_hw_intr_disable(POCE_SOFTC sc);
  969 void oce_hw_pci_free(POCE_SOFTC sc);
  970 
  971 /***********************************************************
  972  * oce_queue_xxx functions
  973  ***********************************************************/
  974 int oce_queue_init_all(POCE_SOFTC sc);
  975 int oce_start_rq(struct oce_rq *rq);
  976 int oce_start_wq(struct oce_wq *wq);
  977 int oce_start_mq(struct oce_mq *mq);
  978 int oce_start_rx(POCE_SOFTC sc);
  979 void oce_arm_eq(POCE_SOFTC sc,
  980                 int16_t qid, int npopped, uint32_t rearm, uint32_t clearint);
  981 void oce_queue_release_all(POCE_SOFTC sc);
  982 void oce_arm_cq(POCE_SOFTC sc, int16_t qid, int npopped, uint32_t rearm);
  983 void oce_drain_eq(struct oce_eq *eq);
  984 void oce_drain_mq_cq(void *arg);
  985 void oce_drain_rq_cq(struct oce_rq *rq);
  986 void oce_drain_wq_cq(struct oce_wq *wq);
  987 
  988 uint32_t oce_page_list(oce_ring_buffer_t *ring, struct phys_addr *pa_list);
  989 
  990 /***********************************************************
  991  * cleanup  functions
  992  ***********************************************************/
  993 void oce_stop_rx(POCE_SOFTC sc);
  994 void oce_discard_rx_comp(struct oce_rq *rq, int num_frags);
  995 void oce_rx_cq_clean(struct oce_rq *rq);
  996 void oce_rx_cq_clean_hwlro(struct oce_rq *rq);
  997 void oce_intr_free(POCE_SOFTC sc);
  998 void oce_free_posted_rxbuf(struct oce_rq *rq);
  999 #if defined(INET6) || defined(INET)
 1000 void oce_free_lro(POCE_SOFTC sc);
 1001 #endif
 1002 
 1003 /************************************************************
 1004  * Mailbox functions
 1005  ************************************************************/
 1006 int oce_fw_clean(POCE_SOFTC sc);
 1007 int oce_wait_ready(POCE_SOFTC sc);
 1008 int oce_reset_fun(POCE_SOFTC sc);
 1009 int oce_mbox_init(POCE_SOFTC sc);
 1010 int oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec);
 1011 int oce_get_fw_version(POCE_SOFTC sc);
 1012 int oce_first_mcc_cmd(POCE_SOFTC sc);
 1013 
 1014 int oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id, uint8_t perm,
 1015                         uint8_t type, struct mac_address_format *mac);
 1016 int oce_get_fw_config(POCE_SOFTC sc);
 1017 int oce_if_create(POCE_SOFTC sc, uint32_t cap_flags, uint32_t en_flags,
 1018                 uint16_t vlan_tag, uint8_t *mac_addr, uint32_t *if_id);
 1019 int oce_if_del(POCE_SOFTC sc, uint32_t if_id);
 1020 int oce_config_vlan(POCE_SOFTC sc, uint32_t if_id,
 1021                 struct normal_vlan *vtag_arr, uint8_t vtag_cnt,
 1022                 uint32_t untagged, uint32_t enable_promisc);
 1023 int oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control);
 1024 int oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss);
 1025 int oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable);
 1026 int oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl);
 1027 int oce_get_link_status(POCE_SOFTC sc, struct link_status *link);
 1028 int oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
 1029 int oce_mbox_get_nic_stats_v1(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
 1030 int oce_mbox_get_nic_stats_v2(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem);
 1031 int oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
 1032                                 uint32_t reset_stats);
 1033 int oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
 1034                                 uint32_t req_size, uint32_t reset_stats);
 1035 int oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem);
 1036 int oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size);
 1037 int oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id);
 1038 int oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
 1039                 uint32_t if_id, uint32_t *pmac_id);
 1040 int oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
 1041         uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
 1042         uint64_t pattern);
 1043 
 1044 int oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
 1045         uint8_t loopback_type, uint8_t enable);
 1046 
 1047 int oce_mbox_check_native_mode(POCE_SOFTC sc);
 1048 int oce_mbox_post(POCE_SOFTC sc,
 1049                   struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx);
 1050 int oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
 1051                                 POCE_DMA_MEM pdma_mem, uint32_t num_bytes);
 1052 int oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
 1053                         uint32_t data_offset,POCE_DMA_MEM pdma_mem,
 1054                         uint32_t *written_data, uint32_t *additional_status);
 1055 
 1056 int oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
 1057                                 uint32_t offset, uint32_t optype);
 1058 int oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info);
 1059 int oce_mbox_create_rq(struct oce_rq *rq);
 1060 int oce_mbox_create_wq(struct oce_wq *wq);
 1061 int oce_mbox_create_eq(struct oce_eq *eq);
 1062 int oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce,
 1063                          uint32_t is_eventable);
 1064 int oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num);
 1065 void oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
 1066                                         int num);
 1067 int oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss);
 1068 int oce_get_func_config(POCE_SOFTC sc);
 1069 void mbx_common_req_hdr_init(struct mbx_hdr *hdr,
 1070                              uint8_t dom,
 1071                              uint8_t port,
 1072                              uint8_t subsys,
 1073                              uint8_t opcode,
 1074                              uint32_t timeout, uint32_t pyld_len,
 1075                              uint8_t version);
 1076 
 1077 uint16_t oce_mq_handler(void *arg);
 1078 
 1079 /************************************************************
 1080  * Transmit functions
 1081  ************************************************************/
 1082 uint16_t oce_wq_handler(void *arg);
 1083 void     oce_start(struct ifnet *ifp);
 1084 void     oce_tx_task(void *arg, int npending);
 1085 
 1086 /************************************************************
 1087  * Receive functions
 1088  ************************************************************/
 1089 int      oce_alloc_rx_bufs(struct oce_rq *rq, int count);
 1090 uint16_t oce_rq_handler(void *arg);
 1091 
 1092 /* Sysctl functions */
 1093 void oce_add_sysctls(POCE_SOFTC sc);
 1094 void oce_refresh_queue_stats(POCE_SOFTC sc);
 1095 int  oce_refresh_nic_stats(POCE_SOFTC sc);
 1096 int  oce_stats_init(POCE_SOFTC sc);
 1097 void oce_stats_free(POCE_SOFTC sc);
 1098 
 1099 /* hw lro functions */
 1100 int oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags);
 1101 int oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable);
 1102 int oce_mbox_create_rq_v2(struct oce_rq *rq);
 1103 
 1104 /* Capabilities */
 1105 #define OCE_MODCAP_RSS                  1
 1106 #define OCE_MAX_RSP_HANDLED             64
 1107 extern uint32_t oce_max_rsp_handled;    /* max responses */
 1108 extern uint32_t oce_rq_buf_size;
 1109 
 1110 #define OCE_MAC_LOOPBACK                0x0
 1111 #define OCE_PHY_LOOPBACK                0x1
 1112 #define OCE_ONE_PORT_EXT_LOOPBACK       0x2
 1113 #define OCE_NO_LOOPBACK                 0xff
 1114 
 1115 #undef IFM_40G_SR4
 1116 #define IFM_40G_SR4                     28
 1117 
 1118 #define atomic_inc_32(x)                atomic_add_32(x, 1)
 1119 #define atomic_dec_32(x)                atomic_subtract_32(x, 1)
 1120 
 1121 #define LE_64(x)                        htole64(x)
 1122 #define LE_32(x)                        htole32(x)
 1123 #define LE_16(x)                        htole16(x)
 1124 #define HOST_64(x)                      le64toh(x)
 1125 #define HOST_32(x)                      le32toh(x)
 1126 #define HOST_16(x)                      le16toh(x)
 1127 #define DW_SWAP(x, l)
 1128 #define IS_ALIGNED(x,a)                 ((x % a) == 0)
 1129 #define ADDR_HI(x)                      ((uint32_t)((uint64_t)(x) >> 32))
 1130 #define ADDR_LO(x)                      ((uint32_t)((uint64_t)(x) & 0xffffffff));
 1131 
 1132 #define IF_LRO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_LRO) ? 1:0)
 1133 #define IF_LSO_ENABLED(sc)  (((sc)->ifp->if_capenable & IFCAP_TSO4) ? 1:0)
 1134 #define IF_CSUM_ENABLED(sc) (((sc)->ifp->if_capenable & IFCAP_HWCSUM) ? 1:0)
 1135 
 1136 #define OCE_LOG2(x)                     (oce_highbit(x))
 1137 static inline uint32_t oce_highbit(uint32_t x)
 1138 {
 1139         int i;
 1140         int c;
 1141         int b;
 1142 
 1143         c = 0;
 1144         b = 0;
 1145 
 1146         for (i = 0; i < 32; i++) {
 1147                 if ((1 << i) & x) {
 1148                         c++;
 1149                         b = i;
 1150                 }
 1151         }
 1152 
 1153         if (c == 1)
 1154                 return b;
 1155 
 1156         return 0;
 1157 }
 1158 
 1159 static inline int MPU_EP_SEMAPHORE(POCE_SOFTC sc)
 1160 {
 1161         if (IS_BE(sc))
 1162                 return MPU_EP_SEMAPHORE_BE3;
 1163         else if (IS_SH(sc))
 1164                 return MPU_EP_SEMAPHORE_SH;
 1165         else
 1166                 return MPU_EP_SEMAPHORE_XE201;
 1167 }
 1168 
 1169 #define TRANSCEIVER_DATA_NUM_ELE 64
 1170 #define TRANSCEIVER_DATA_SIZE 256
 1171 #define TRANSCEIVER_A0_SIZE 128
 1172 #define TRANSCEIVER_A2_SIZE 128
 1173 #define PAGE_NUM_A0 0xa0
 1174 #define PAGE_NUM_A2 0xa2
 1175 #define IS_QNQ_OR_UMC(sc) ((sc->pvid && (sc->function_mode & FNM_UMC_MODE ))\
 1176                      || (sc->qnqid && (sc->function_mode & FNM_FLEX10_MODE)))
 1177 extern uint8_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_SIZE];
 1178 
 1179 struct oce_rdma_info;
 1180 extern struct oce_rdma_if *oce_rdma_if;
 1181 
 1182 /* OS2BMC related */
 1183 
 1184 #define DHCP_CLIENT_PORT        68
 1185 #define DHCP_SERVER_PORT        67
 1186 #define NET_BIOS_PORT1          137
 1187 #define NET_BIOS_PORT2          138
 1188 #define DHCPV6_RAS_PORT         547
 1189 
 1190 #define BMC_FILT_BROADCAST_ARP                          ((uint32_t)(1))
 1191 #define BMC_FILT_BROADCAST_DHCP_CLIENT                  ((uint32_t)(1 << 1))
 1192 #define BMC_FILT_BROADCAST_DHCP_SERVER                  ((uint32_t)(1 << 2))
 1193 #define BMC_FILT_BROADCAST_NET_BIOS                     ((uint32_t)(1 << 3))
 1194 #define BMC_FILT_BROADCAST                              ((uint32_t)(1 << 4))
 1195 #define BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER             ((uint32_t)(1 << 5))
 1196 #define BMC_FILT_MULTICAST_IPV6_RA                      ((uint32_t)(1 << 6))
 1197 #define BMC_FILT_MULTICAST_IPV6_RAS                     ((uint32_t)(1 << 7))
 1198 #define BMC_FILT_MULTICAST                              ((uint32_t)(1 << 8))
 1199 
 1200 #define ND_ROUTER_ADVERT        134
 1201 #define ND_NEIGHBOR_ADVERT      136
 1202 
 1203 #define is_mc_allowed_on_bmc(sc, eh)       \
 1204         (!is_multicast_filt_enabled(sc) && \
 1205         ETHER_IS_MULTICAST(eh->ether_dhost) && \
 1206         !ETHER_IS_BROADCAST(eh->ether_dhost))
 1207 
 1208 #define is_bc_allowed_on_bmc(sc, eh)       \
 1209         (!is_broadcast_filt_enabled(sc) && \
 1210         ETHER_IS_BROADCAST(eh->ether_dhost))
 1211 
 1212 #define is_arp_allowed_on_bmc(sc, et)     \
 1213         (is_arp(et) && is_arp_filt_enabled(sc))
 1214 
 1215 #define is_arp(et)     (et == ETHERTYPE_ARP)
 1216 
 1217 #define is_arp_filt_enabled(sc)    \
 1218         (sc->bmc_filt_mask & (BMC_FILT_BROADCAST_ARP))
 1219 
 1220 #define is_dhcp_client_filt_enabled(sc)    \
 1221         (sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_CLIENT)
 1222 
 1223 #define is_dhcp_srvr_filt_enabled(sc)      \
 1224         (sc->bmc_filt_mask & BMC_FILT_BROADCAST_DHCP_SERVER)
 1225 
 1226 #define is_nbios_filt_enabled(sc)  \
 1227         (sc->bmc_filt_mask & BMC_FILT_BROADCAST_NET_BIOS)
 1228 
 1229 #define is_ipv6_na_filt_enabled(sc)        \
 1230         (sc->bmc_filt_mask &       \
 1231         BMC_FILT_MULTICAST_IPV6_NEIGH_ADVER)
 1232 
 1233 #define is_ipv6_ra_filt_enabled(sc)        \
 1234         (sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RA)
 1235 
 1236 #define is_ipv6_ras_filt_enabled(sc)       \
 1237         (sc->bmc_filt_mask & BMC_FILT_MULTICAST_IPV6_RAS)
 1238 
 1239 #define is_broadcast_filt_enabled(sc)      \
 1240         (sc->bmc_filt_mask & BMC_FILT_BROADCAST)
 1241 
 1242 #define is_multicast_filt_enabled(sc)      \
 1243         (sc->bmc_filt_mask & BMC_FILT_MULTICAST)
 1244 
 1245 #define is_os2bmc_enabled(sc) (sc->flags & OCE_FLAGS_OS2BMC)
 1246 
 1247 #define LRO_FLAGS_HASH_MODE 0x00000001
 1248 #define LRO_FLAGS_RSS_MODE 0x00000004
 1249 #define LRO_FLAGS_CLSC_IPV4 0x00000010
 1250 #define LRO_FLAGS_CLSC_IPV6 0x00000020
 1251 #define NIC_RQ_FLAGS_RSS 0x0001
 1252 #define NIC_RQ_FLAGS_LRO 0x0020

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