sys/dev/bnxt/if_bnxt.c

   1 /*-
   2  * Broadcom NetXtreme-C/E network driver.
   3  *
   4  * Copyright (c) 2016 Broadcom, All Rights Reserved.
   5  * The term Broadcom refers to Broadcom Limited and/or its subsidiaries
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS'
  17  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  26  * THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 __FBSDID("$FreeBSD$");
  31
  32 #include <sys/param.h>
  33 #include <sys/socket.h>
  34 #include <sys/kernel.h>
  35 #include <sys/bus.h>
  36 #include <sys/module.h>
  37 #include <sys/rman.h>
  38 #include <sys/endian.h>
  39 #include <sys/sockio.h>
  40 #include <sys/priv.h>
  41
  42 #include <machine/bus.h>
  43 #include <machine/resource.h>
  44
  45 #include <dev/pci/pcireg.h>
  46 #include <dev/pci/pcivar.h>
  47
  48 #include <net/if.h>
  49 #include <net/if_media.h>
  50 #include <net/if_var.h>
  51 #include <net/ethernet.h>
  52 #include <net/iflib.h>
  53
  54 #include "opt_inet.h"
  55 #include "opt_inet6.h"
  56 #include "opt_rss.h"
  57
  58 #include "ifdi_if.h"
  59
  60 #include "bnxt.h"
  61 #include "bnxt_hwrm.h"
  62 #include "bnxt_ioctl.h"
  63 #include "bnxt_sysctl.h"
  64 #include "hsi_struct_def.h"
  65
  66 /*
  67  * PCI Device ID Table
  68  */
  69
  70 static pci_vendor_info_t bnxt_vendor_info_array[] =
  71 {
  72     PVID(BROADCOM_VENDOR_ID, BCM57301,
  73         "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet Controller"),
  74     PVID(BROADCOM_VENDOR_ID, BCM57302,
  75         "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet Controller"),
  76     PVID(BROADCOM_VENDOR_ID, BCM57304,
  77         "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet Controller"),
  78     PVID(BROADCOM_VENDOR_ID, BCM57311,
  79         "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet"),
  80     PVID(BROADCOM_VENDOR_ID, BCM57312,
  81         "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet"),
  82     PVID(BROADCOM_VENDOR_ID, BCM57314,
  83         "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet"),
  84     PVID(BROADCOM_VENDOR_ID, BCM57402,
  85         "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet Controller"),
  86     PVID(BROADCOM_VENDOR_ID, BCM57402_NPAR,
  87         "Broadcom BCM57402 NetXtreme-E Partition"),
  88     PVID(BROADCOM_VENDOR_ID, BCM57404,
  89         "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet Controller"),
  90     PVID(BROADCOM_VENDOR_ID, BCM57404_NPAR,
  91         "Broadcom BCM57404 NetXtreme-E Partition"),
  92     PVID(BROADCOM_VENDOR_ID, BCM57406,
  93         "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet Controller"),
  94     PVID(BROADCOM_VENDOR_ID, BCM57406_NPAR,
  95         "Broadcom BCM57406 NetXtreme-E Partition"),
  96     PVID(BROADCOM_VENDOR_ID, BCM57407,
  97         "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet Controller"),
  98     PVID(BROADCOM_VENDOR_ID, BCM57407_NPAR,
  99         "Broadcom BCM57407 NetXtreme-E Ethernet Partition"),
 100     PVID(BROADCOM_VENDOR_ID, BCM57407_SFP,
 101         "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet Controller"),
 102     PVID(BROADCOM_VENDOR_ID, BCM57412,
 103         "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet"),
 104     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR1,
 105         "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
 106     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR2,
 107         "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
 108     PVID(BROADCOM_VENDOR_ID, BCM57414,
 109         "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet"),
 110     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR1,
 111         "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
 112     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR2,
 113         "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
 114     PVID(BROADCOM_VENDOR_ID, BCM57416,
 115         "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet"),
 116     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR1,
 117         "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
 118     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR2,
 119         "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
 120     PVID(BROADCOM_VENDOR_ID, BCM57416_SFP,
 121         "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet"),
 122     PVID(BROADCOM_VENDOR_ID, BCM57417,
 123         "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet"),
 124     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR1,
 125         "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
 126     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR2,
 127         "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
 128     PVID(BROADCOM_VENDOR_ID, BCM57417_SFP,
 129         "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet"),
 130     PVID(BROADCOM_VENDOR_ID, BCM57454,
 131         "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet"),
 132     PVID(BROADCOM_VENDOR_ID, BCM58700,
 133         "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet"),
 134     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF1,
 135         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 136     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF2,
 137         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 138     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF3,
 139         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 140     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF1,
 141         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 142     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF2,
 143         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 144     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF3,
 145         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 146     /* required last entry */
 147
 148     PVID_END
 149 };
 150
 151 /*
 152  * Function prototypes
 153  */
 154
 155 static void *bnxt_register(device_t dev);
 156
 157 /* Soft queue setup and teardown */
 158 static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 159     uint64_t *paddrs, int ntxqs, int ntxqsets);
 160 static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 161     uint64_t *paddrs, int nrxqs, int nrxqsets);
 162 static void bnxt_queues_free(if_ctx_t ctx);
 163
 164 /* Device setup and teardown */
 165 static int bnxt_attach_pre(if_ctx_t ctx);
 166 static int bnxt_attach_post(if_ctx_t ctx);
 167 static int bnxt_detach(if_ctx_t ctx);
 168
 169 /* Device configuration */
 170 static void bnxt_init(if_ctx_t ctx);
 171 static void bnxt_stop(if_ctx_t ctx);
 172 static void bnxt_multi_set(if_ctx_t ctx);
 173 static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu);
 174 static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr);
 175 static int bnxt_media_change(if_ctx_t ctx);
 176 static int bnxt_promisc_set(if_ctx_t ctx, int flags);
 177 static uint64_t bnxt_get_counter(if_ctx_t, ift_counter);
 178 static void bnxt_update_admin_status(if_ctx_t ctx);
 179 static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid);
 180
 181 /* Interrupt enable / disable */
 182 static void bnxt_intr_enable(if_ctx_t ctx);
 183 static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
 184 static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
 185 static void bnxt_disable_intr(if_ctx_t ctx);
 186 static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix);
 187
 188 /* vlan support */
 189 static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag);
 190 static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag);
 191
 192 /* ioctl */
 193 static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
 194
 195 static int bnxt_shutdown(if_ctx_t ctx);
 196 static int bnxt_suspend(if_ctx_t ctx);
 197 static int bnxt_resume(if_ctx_t ctx);
 198
 199 /* Internal support functions */
 200 static int bnxt_probe_phy(struct bnxt_softc *softc);
 201 static void bnxt_add_media_types(struct bnxt_softc *softc);
 202 static int bnxt_pci_mapping(struct bnxt_softc *softc);
 203 static void bnxt_pci_mapping_free(struct bnxt_softc *softc);
 204 static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state);
 205 static int bnxt_handle_def_cp(void *arg);
 206 static int bnxt_handle_rx_cp(void *arg);
 207 static void bnxt_clear_ids(struct bnxt_softc *softc);
 208 static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr);
 209 static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr);
 210 static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr);
 211 static void bnxt_def_cp_task(void *context);
 212 static void bnxt_handle_async_event(struct bnxt_softc *softc,
 213     struct cmpl_base *cmpl);
 214 static uint8_t get_phy_type(struct bnxt_softc *softc);
 215 static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link);
 216 static void bnxt_get_wol_settings(struct bnxt_softc *softc);
 217 static int bnxt_wol_config(if_ctx_t ctx);
 218
 219 /*
 220  * Device Interface Declaration
 221  */
 222
 223 static device_method_t bnxt_methods[] = {
 224         /* Device interface */
 225         DEVMETHOD(device_register, bnxt_register),
 226         DEVMETHOD(device_probe, iflib_device_probe),
 227         DEVMETHOD(device_attach, iflib_device_attach),
 228         DEVMETHOD(device_detach, iflib_device_detach),
 229         DEVMETHOD(device_shutdown, iflib_device_shutdown),
 230         DEVMETHOD(device_suspend, iflib_device_suspend),
 231         DEVMETHOD(device_resume, iflib_device_resume),
 232         DEVMETHOD_END
 233 };
 234
 235 static driver_t bnxt_driver = {
 236         "bnxt", bnxt_methods, sizeof(struct bnxt_softc),
 237 };
 238
 239 devclass_t bnxt_devclass;
 240 DRIVER_MODULE(bnxt, pci, bnxt_driver, bnxt_devclass, 0, 0);
 241
 242 MODULE_DEPEND(bnxt, pci, 1, 1, 1);
 243 MODULE_DEPEND(bnxt, ether, 1, 1, 1);
 244 MODULE_DEPEND(bnxt, iflib, 1, 1, 1);
 245
 246 IFLIB_PNP_INFO(pci, bnxt, bnxt_vendor_info_array);
 247
 248 static device_method_t bnxt_iflib_methods[] = {
 249         DEVMETHOD(ifdi_tx_queues_alloc, bnxt_tx_queues_alloc),
 250         DEVMETHOD(ifdi_rx_queues_alloc, bnxt_rx_queues_alloc),
 251         DEVMETHOD(ifdi_queues_free, bnxt_queues_free),
 252
 253         DEVMETHOD(ifdi_attach_pre, bnxt_attach_pre),
 254         DEVMETHOD(ifdi_attach_post, bnxt_attach_post),
 255         DEVMETHOD(ifdi_detach, bnxt_detach),
 256
 257         DEVMETHOD(ifdi_init, bnxt_init),
 258         DEVMETHOD(ifdi_stop, bnxt_stop),
 259         DEVMETHOD(ifdi_multi_set, bnxt_multi_set),
 260         DEVMETHOD(ifdi_mtu_set, bnxt_mtu_set),
 261         DEVMETHOD(ifdi_media_status, bnxt_media_status),
 262         DEVMETHOD(ifdi_media_change, bnxt_media_change),
 263         DEVMETHOD(ifdi_promisc_set, bnxt_promisc_set),
 264         DEVMETHOD(ifdi_get_counter, bnxt_get_counter),
 265         DEVMETHOD(ifdi_update_admin_status, bnxt_update_admin_status),
 266         DEVMETHOD(ifdi_timer, bnxt_if_timer),
 267
 268         DEVMETHOD(ifdi_intr_enable, bnxt_intr_enable),
 269         DEVMETHOD(ifdi_tx_queue_intr_enable, bnxt_tx_queue_intr_enable),
 270         DEVMETHOD(ifdi_rx_queue_intr_enable, bnxt_rx_queue_intr_enable),
 271         DEVMETHOD(ifdi_intr_disable, bnxt_disable_intr),
 272         DEVMETHOD(ifdi_msix_intr_assign, bnxt_msix_intr_assign),
 273
 274         DEVMETHOD(ifdi_vlan_register, bnxt_vlan_register),
 275         DEVMETHOD(ifdi_vlan_unregister, bnxt_vlan_unregister),
 276
 277         DEVMETHOD(ifdi_priv_ioctl, bnxt_priv_ioctl),
 278
 279         DEVMETHOD(ifdi_suspend, bnxt_suspend),
 280         DEVMETHOD(ifdi_shutdown, bnxt_shutdown),
 281         DEVMETHOD(ifdi_resume, bnxt_resume),
 282
 283         DEVMETHOD_END
 284 };
 285
 286 static driver_t bnxt_iflib_driver = {
 287         "bnxt", bnxt_iflib_methods, sizeof(struct bnxt_softc)
 288 };
 289
 290 /*
 291  * iflib shared context
 292  */
 293
 294 #define BNXT_DRIVER_VERSION     "1.0.0.2"
 295 char bnxt_driver_version[] = BNXT_DRIVER_VERSION;
 296 extern struct if_txrx bnxt_txrx;
 297 static struct if_shared_ctx bnxt_sctx_init = {
 298         .isc_magic = IFLIB_MAGIC,
 299         .isc_driver = &bnxt_iflib_driver,
 300         .isc_nfl = 2,                           // Number of Free Lists
 301         .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_NEED_ETHER_PAD,
 302         .isc_q_align = PAGE_SIZE,
 303         .isc_tx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 304         .isc_tx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 305         .isc_tso_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 306         .isc_tso_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 307         .isc_rx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 308         .isc_rx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 309
 310         // Only use a single segment to avoid page size constraints
 311         .isc_rx_nsegments = 1,
 312         .isc_ntxqs = 2,
 313         .isc_nrxqs = 3,
 314         .isc_nrxd_min = {16, 16, 16},
 315         .isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8,
 316             PAGE_SIZE / sizeof(struct rx_prod_pkt_bd),
 317             PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)},
 318         .isc_nrxd_max = {BNXT_MAX_RXD, BNXT_MAX_RXD, BNXT_MAX_RXD},
 319         .isc_ntxd_min = {16, 16, 16},
 320         .isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2,
 321             PAGE_SIZE / sizeof(struct tx_bd_short)},
 322         .isc_ntxd_max = {BNXT_MAX_TXD, BNXT_MAX_TXD, BNXT_MAX_TXD},
 323
 324         .isc_admin_intrcnt = 1,
 325         .isc_vendor_info = bnxt_vendor_info_array,
 326         .isc_driver_version = bnxt_driver_version,
 327 };
 328
 329 if_shared_ctx_t bnxt_sctx = &bnxt_sctx_init;
 330
 331 /*
 332  * Device Methods
 333  */
 334
 335 static void *
 336 bnxt_register(device_t dev)
 337 {
 338         return bnxt_sctx;
 339 }
 340
 341 /*
 342  * Device Dependent Configuration Functions
 343 */
 344
 345 /* Soft queue setup and teardown */
 346 static int
 347 bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 348     uint64_t *paddrs, int ntxqs, int ntxqsets)
 349 {
 350         struct bnxt_softc *softc;
 351         int i;
 352         int rc;
 353
 354         softc = iflib_get_softc(ctx);
 355
 356         softc->tx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * ntxqsets,
 357             M_DEVBUF, M_NOWAIT | M_ZERO);
 358         if (!softc->tx_cp_rings) {
 359                 device_printf(iflib_get_dev(ctx),
 360                     "unable to allocate TX completion rings\n");
 361                 rc = ENOMEM;
 362                 goto cp_alloc_fail;
 363         }
 364         softc->tx_rings = malloc(sizeof(struct bnxt_ring) * ntxqsets,
 365             M_DEVBUF, M_NOWAIT | M_ZERO);
 366         if (!softc->tx_rings) {
 367                 device_printf(iflib_get_dev(ctx),
 368                     "unable to allocate TX rings\n");
 369                 rc = ENOMEM;
 370                 goto ring_alloc_fail;
 371         }
 372         rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * ntxqsets,
 373             &softc->tx_stats, 0);
 374         if (rc)
 375                 goto dma_alloc_fail;
 376         bus_dmamap_sync(softc->tx_stats.idi_tag, softc->tx_stats.idi_map,
 377             BUS_DMASYNC_PREREAD);
 378
 379         for (i = 0; i < ntxqsets; i++) {
 380                 /* Set up the completion ring */
 381                 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
 382                 softc->tx_cp_rings[i].ring.phys_id =
 383                     (uint16_t)HWRM_NA_SIGNATURE;
 384                 softc->tx_cp_rings[i].ring.softc = softc;
 385                 softc->tx_cp_rings[i].ring.id =
 386                     (softc->scctx->isc_nrxqsets * 2) + 1 + i;
 387                 softc->tx_cp_rings[i].ring.doorbell =
 388                     softc->tx_cp_rings[i].ring.id * 0x80;
 389                 softc->tx_cp_rings[i].ring.ring_size =
 390                     softc->scctx->isc_ntxd[0];
 391                 softc->tx_cp_rings[i].ring.vaddr = vaddrs[i * ntxqs];
 392                 softc->tx_cp_rings[i].ring.paddr = paddrs[i * ntxqs];
 393
 394                 /* Set up the TX ring */
 395                 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 396                 softc->tx_rings[i].softc = softc;
 397                 softc->tx_rings[i].id =
 398                     (softc->scctx->isc_nrxqsets * 2) + 1 + i;
 399                 softc->tx_rings[i].doorbell = softc->tx_rings[i].id * 0x80;
 400                 softc->tx_rings[i].ring_size = softc->scctx->isc_ntxd[1];
 401                 softc->tx_rings[i].vaddr = vaddrs[i * ntxqs + 1];
 402                 softc->tx_rings[i].paddr = paddrs[i * ntxqs + 1];
 403
 404                 bnxt_create_tx_sysctls(softc, i);
 405         }
 406
 407         softc->ntxqsets = ntxqsets;
 408         return rc;
 409
 410 dma_alloc_fail:
 411         free(softc->tx_rings, M_DEVBUF);
 412 ring_alloc_fail:
 413         free(softc->tx_cp_rings, M_DEVBUF);
 414 cp_alloc_fail:
 415         return rc;
 416 }
 417
 418 static void
 419 bnxt_queues_free(if_ctx_t ctx)
 420 {
 421         struct bnxt_softc *softc = iflib_get_softc(ctx);
 422
 423         // Free TX queues
 424         iflib_dma_free(&softc->tx_stats);
 425         free(softc->tx_rings, M_DEVBUF);
 426         softc->tx_rings = NULL;
 427         free(softc->tx_cp_rings, M_DEVBUF);
 428         softc->tx_cp_rings = NULL;
 429         softc->ntxqsets = 0;
 430
 431         // Free RX queues
 432         iflib_dma_free(&softc->rx_stats);
 433         iflib_dma_free(&softc->hw_tx_port_stats);
 434         iflib_dma_free(&softc->hw_rx_port_stats);
 435         free(softc->grp_info, M_DEVBUF);
 436         free(softc->ag_rings, M_DEVBUF);
 437         free(softc->rx_rings, M_DEVBUF);
 438         free(softc->rx_cp_rings, M_DEVBUF);
 439 }
 440
 441 static int
 442 bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 443     uint64_t *paddrs, int nrxqs, int nrxqsets)
 444 {
 445         struct bnxt_softc *softc;
 446         int i;
 447         int rc;
 448
 449         softc = iflib_get_softc(ctx);
 450
 451         softc->rx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * nrxqsets,
 452             M_DEVBUF, M_NOWAIT | M_ZERO);
 453         if (!softc->rx_cp_rings) {
 454                 device_printf(iflib_get_dev(ctx),
 455                     "unable to allocate RX completion rings\n");
 456                 rc = ENOMEM;
 457                 goto cp_alloc_fail;
 458         }
 459         softc->rx_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
 460             M_DEVBUF, M_NOWAIT | M_ZERO);
 461         if (!softc->rx_rings) {
 462                 device_printf(iflib_get_dev(ctx),
 463                     "unable to allocate RX rings\n");
 464                 rc = ENOMEM;
 465                 goto ring_alloc_fail;
 466         }
 467         softc->ag_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
 468             M_DEVBUF, M_NOWAIT | M_ZERO);
 469         if (!softc->ag_rings) {
 470                 device_printf(iflib_get_dev(ctx),
 471                     "unable to allocate aggregation rings\n");
 472                 rc = ENOMEM;
 473                 goto ag_alloc_fail;
 474         }
 475         softc->grp_info = malloc(sizeof(struct bnxt_grp_info) * nrxqsets,
 476             M_DEVBUF, M_NOWAIT | M_ZERO);
 477         if (!softc->grp_info) {
 478                 device_printf(iflib_get_dev(ctx),
 479                     "unable to allocate ring groups\n");
 480                 rc = ENOMEM;
 481                 goto grp_alloc_fail;
 482         }
 483
 484         rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * nrxqsets,
 485             &softc->rx_stats, 0);
 486         if (rc)
 487                 goto hw_stats_alloc_fail;
 488         bus_dmamap_sync(softc->rx_stats.idi_tag, softc->rx_stats.idi_map,
 489             BUS_DMASYNC_PREREAD);
 490
 491 /*
 492  * Additional 512 bytes for future expansion.
 493  * To prevent corruption when loaded with newer firmwares with added counters.
 494  * This can be deleted when there will be no further additions of counters.
 495  */
 496 #define BNXT_PORT_STAT_PADDING  512
 497
 498         rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats) + BNXT_PORT_STAT_PADDING,
 499             &softc->hw_rx_port_stats, 0);
 500         if (rc)
 501                 goto hw_port_rx_stats_alloc_fail;
 502
 503         bus_dmamap_sync(softc->hw_rx_port_stats.idi_tag,
 504             softc->hw_rx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
 505
 506         rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats) + BNXT_PORT_STAT_PADDING,
 507             &softc->hw_tx_port_stats, 0);
 508
 509         if (rc)
 510                 goto hw_port_tx_stats_alloc_fail;
 511
 512         bus_dmamap_sync(softc->hw_tx_port_stats.idi_tag,
 513             softc->hw_tx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
 514
 515         softc->rx_port_stats = (void *) softc->hw_rx_port_stats.idi_vaddr;
 516         softc->tx_port_stats = (void *) softc->hw_tx_port_stats.idi_vaddr;
 517
 518         for (i = 0; i < nrxqsets; i++) {
 519                 /* Allocation the completion ring */
 520                 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
 521                 softc->rx_cp_rings[i].ring.phys_id =
 522                     (uint16_t)HWRM_NA_SIGNATURE;
 523                 softc->rx_cp_rings[i].ring.softc = softc;
 524                 softc->rx_cp_rings[i].ring.id = i + 1;
 525                 softc->rx_cp_rings[i].ring.doorbell =
 526                     softc->rx_cp_rings[i].ring.id * 0x80;
 527                 /*
 528                  * If this ring overflows, RX stops working.
 529                  */
 530                 softc->rx_cp_rings[i].ring.ring_size =
 531                     softc->scctx->isc_nrxd[0];
 532                 softc->rx_cp_rings[i].ring.vaddr = vaddrs[i * nrxqs];
 533                 softc->rx_cp_rings[i].ring.paddr = paddrs[i * nrxqs];
 534
 535                 /* Allocate the RX ring */
 536                 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 537                 softc->rx_rings[i].softc = softc;
 538                 softc->rx_rings[i].id = i + 1;
 539                 softc->rx_rings[i].doorbell = softc->rx_rings[i].id * 0x80;
 540                 softc->rx_rings[i].ring_size = softc->scctx->isc_nrxd[1];
 541                 softc->rx_rings[i].vaddr = vaddrs[i * nrxqs + 1];
 542                 softc->rx_rings[i].paddr = paddrs[i * nrxqs + 1];
 543
 544                 /* Allocate the TPA start buffer */
 545                 softc->rx_rings[i].tpa_start = malloc(sizeof(struct bnxt_full_tpa_start) *
 546                         (RX_TPA_START_CMPL_AGG_ID_MASK >> RX_TPA_START_CMPL_AGG_ID_SFT),
 547                         M_DEVBUF, M_NOWAIT | M_ZERO);
 548                 if (softc->rx_rings[i].tpa_start == NULL) {
 549                         rc = -ENOMEM;
 550                         device_printf(softc->dev,
 551                                         "Unable to allocate space for TPA\n");
 552                         goto tpa_alloc_fail;
 553                 }
 554
 555                 /* Allocate the AG ring */
 556                 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 557                 softc->ag_rings[i].softc = softc;
 558                 softc->ag_rings[i].id = nrxqsets + i + 1;
 559                 softc->ag_rings[i].doorbell = softc->ag_rings[i].id * 0x80;
 560                 softc->ag_rings[i].ring_size = softc->scctx->isc_nrxd[2];
 561                 softc->ag_rings[i].vaddr = vaddrs[i * nrxqs + 2];
 562                 softc->ag_rings[i].paddr = paddrs[i * nrxqs + 2];
 563
 564                 /* Allocate the ring group */
 565                 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
 566                 softc->grp_info[i].stats_ctx =
 567                     softc->rx_cp_rings[i].stats_ctx_id;
 568                 softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
 569                 softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
 570                 softc->grp_info[i].cp_ring_id =
 571                     softc->rx_cp_rings[i].ring.phys_id;
 572
 573                 bnxt_create_rx_sysctls(softc, i);
 574         }
 575
 576         /*
 577          * When SR-IOV is enabled, avoid each VF sending PORT_QSTATS
 578          * HWRM every sec with which firmware timeouts can happen
 579          */
 580         if (BNXT_PF(softc))
 581                 bnxt_create_port_stats_sysctls(softc);
 582
 583         /* And finally, the VNIC */
 584         softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
 585         softc->vnic_info.flow_id = (uint16_t)HWRM_NA_SIGNATURE;
 586         softc->vnic_info.filter_id = -1;
 587         softc->vnic_info.def_ring_grp = (uint16_t)HWRM_NA_SIGNATURE;
 588         softc->vnic_info.cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
 589         softc->vnic_info.lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
 590         softc->vnic_info.rx_mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST;
 591         softc->vnic_info.mc_list_count = 0;
 592         softc->vnic_info.flags = BNXT_VNIC_FLAG_DEFAULT;
 593         rc = iflib_dma_alloc(ctx, BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN,
 594             &softc->vnic_info.mc_list, 0);
 595         if (rc)
 596                 goto mc_list_alloc_fail;
 597
 598         /* The VNIC RSS Hash Key */
 599         rc = iflib_dma_alloc(ctx, HW_HASH_KEY_SIZE,
 600             &softc->vnic_info.rss_hash_key_tbl, 0);
 601         if (rc)
 602                 goto rss_hash_alloc_fail;
 603         bus_dmamap_sync(softc->vnic_info.rss_hash_key_tbl.idi_tag,
 604             softc->vnic_info.rss_hash_key_tbl.idi_map,
 605             BUS_DMASYNC_PREWRITE);
 606         memcpy(softc->vnic_info.rss_hash_key_tbl.idi_vaddr,
 607             softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE);
 608
 609         /* Allocate the RSS tables */
 610         rc = iflib_dma_alloc(ctx, HW_HASH_INDEX_SIZE * sizeof(uint16_t),
 611             &softc->vnic_info.rss_grp_tbl, 0);
 612         if (rc)
 613                 goto rss_grp_alloc_fail;
 614         bus_dmamap_sync(softc->vnic_info.rss_grp_tbl.idi_tag,
 615             softc->vnic_info.rss_grp_tbl.idi_map,
 616             BUS_DMASYNC_PREWRITE);
 617         memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
 618             softc->vnic_info.rss_grp_tbl.idi_size);
 619
 620         softc->nrxqsets = nrxqsets;
 621         return rc;
 622
 623 rss_grp_alloc_fail:
 624         iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
 625 rss_hash_alloc_fail:
 626         iflib_dma_free(&softc->vnic_info.mc_list);
 627 tpa_alloc_fail:
 628 mc_list_alloc_fail:
 629         for (i = i - 1; i >= 0; i--)
 630                 free(softc->rx_rings[i].tpa_start, M_DEVBUF);
 631         iflib_dma_free(&softc->hw_tx_port_stats);
 632 hw_port_tx_stats_alloc_fail:
 633         iflib_dma_free(&softc->hw_rx_port_stats);
 634 hw_port_rx_stats_alloc_fail:
 635         iflib_dma_free(&softc->rx_stats);
 636 hw_stats_alloc_fail:
 637         free(softc->grp_info, M_DEVBUF);
 638 grp_alloc_fail:
 639         free(softc->ag_rings, M_DEVBUF);
 640 ag_alloc_fail:
 641         free(softc->rx_rings, M_DEVBUF);
 642 ring_alloc_fail:
 643         free(softc->rx_cp_rings, M_DEVBUF);
 644 cp_alloc_fail:
 645         return rc;
 646 }
 647
 648 static void bnxt_free_hwrm_short_cmd_req(struct bnxt_softc *softc)
 649 {
 650         if (softc->hwrm_short_cmd_req_addr.idi_vaddr)
 651                 iflib_dma_free(&softc->hwrm_short_cmd_req_addr);
 652         softc->hwrm_short_cmd_req_addr.idi_vaddr = NULL;
 653 }
 654
 655 static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc *softc)
 656 {
 657         int rc;
 658
 659         rc = iflib_dma_alloc(softc->ctx, softc->hwrm_max_req_len,
 660             &softc->hwrm_short_cmd_req_addr, BUS_DMA_NOWAIT);
 661
 662         return rc;
 663 }
 664
 665 /* Device setup and teardown */
 666 static int
 667 bnxt_attach_pre(if_ctx_t ctx)
 668 {
 669         struct bnxt_softc *softc = iflib_get_softc(ctx);
 670         if_softc_ctx_t scctx;
 671         int rc = 0;
 672
 673         softc->ctx = ctx;
 674         softc->dev = iflib_get_dev(ctx);
 675         softc->media = iflib_get_media(ctx);
 676         softc->scctx = iflib_get_softc_ctx(ctx);
 677         softc->sctx = iflib_get_sctx(ctx);
 678         scctx = softc->scctx;
 679
 680         /* TODO: Better way of detecting NPAR/VF is needed */
 681         switch (pci_get_device(softc->dev)) {
 682         case BCM57402_NPAR:
 683         case BCM57404_NPAR:
 684         case BCM57406_NPAR:
 685         case BCM57407_NPAR:
 686         case BCM57412_NPAR1:
 687         case BCM57412_NPAR2:
 688         case BCM57414_NPAR1:
 689         case BCM57414_NPAR2:
 690         case BCM57416_NPAR1:
 691         case BCM57416_NPAR2:
 692                 softc->flags |= BNXT_FLAG_NPAR;
 693                 break;
 694         case NETXTREME_C_VF1:
 695         case NETXTREME_C_VF2:
 696         case NETXTREME_C_VF3:
 697         case NETXTREME_E_VF1:
 698         case NETXTREME_E_VF2:
 699         case NETXTREME_E_VF3:
 700                 softc->flags |= BNXT_FLAG_VF;
 701                 break;
 702         }
 703
 704         pci_enable_busmaster(softc->dev);
 705
 706         if (bnxt_pci_mapping(softc))
 707                 return (ENXIO);
 708
 709         /* HWRM setup/init */
 710         BNXT_HWRM_LOCK_INIT(softc, device_get_nameunit(softc->dev));
 711         rc = bnxt_alloc_hwrm_dma_mem(softc);
 712         if (rc)
 713                 goto dma_fail;
 714
 715
 716         /* Get firmware version and compare with driver */
 717         softc->ver_info = malloc(sizeof(struct bnxt_ver_info),
 718             M_DEVBUF, M_NOWAIT | M_ZERO);
 719         if (softc->ver_info == NULL) {
 720                 rc = ENOMEM;
 721                 device_printf(softc->dev,
 722                     "Unable to allocate space for version info\n");
 723                 goto ver_alloc_fail;
 724         }
 725         /* Default minimum required HWRM version */
 726         softc->ver_info->hwrm_min_major = 1;
 727         softc->ver_info->hwrm_min_minor = 2;
 728         softc->ver_info->hwrm_min_update = 2;
 729
 730         rc = bnxt_hwrm_ver_get(softc);
 731         if (rc) {
 732                 device_printf(softc->dev, "attach: hwrm ver get failed\n");
 733                 goto ver_fail;
 734         }
 735
 736         if (softc->flags & BNXT_FLAG_SHORT_CMD) {
 737                 rc = bnxt_alloc_hwrm_short_cmd_req(softc);
 738                 if (rc)
 739                         goto hwrm_short_cmd_alloc_fail;
 740         }
 741
 742         /* Get NVRAM info */
 743         if (BNXT_PF(softc)) {
 744                 softc->nvm_info = malloc(sizeof(struct bnxt_nvram_info),
 745                     M_DEVBUF, M_NOWAIT | M_ZERO);
 746                 if (softc->nvm_info == NULL) {
 747                         rc = ENOMEM;
 748                         device_printf(softc->dev,
 749                             "Unable to allocate space for NVRAM info\n");
 750                         goto nvm_alloc_fail;
 751                 }
 752
 753                 rc = bnxt_hwrm_nvm_get_dev_info(softc, &softc->nvm_info->mfg_id,
 754                     &softc->nvm_info->device_id, &softc->nvm_info->sector_size,
 755                     &softc->nvm_info->size, &softc->nvm_info->reserved_size,
 756                     &softc->nvm_info->available_size);
 757         }
 758
 759         /* Register the driver with the FW */
 760         rc = bnxt_hwrm_func_drv_rgtr(softc);
 761         if (rc) {
 762                 device_printf(softc->dev, "attach: hwrm drv rgtr failed\n");
 763                 goto drv_rgtr_fail;
 764         }
 765
 766         rc = bnxt_hwrm_func_rgtr_async_events(softc, NULL, 0);
 767         if (rc) {
 768                 device_printf(softc->dev, "attach: hwrm rgtr async evts failed\n");
 769                 goto drv_rgtr_fail;
 770         }
 771
 772         /* Get the HW capabilities */
 773         rc = bnxt_hwrm_func_qcaps(softc);
 774         if (rc)
 775                 goto failed;
 776
 777         /* Get the current configuration of this function */
 778         rc = bnxt_hwrm_func_qcfg(softc);
 779         if (rc) {
 780                 device_printf(softc->dev, "attach: hwrm func qcfg failed\n");
 781                 goto failed;
 782         }
 783
 784         iflib_set_mac(ctx, softc->func.mac_addr);
 785
 786         scctx->isc_txrx = &bnxt_txrx;
 787         scctx->isc_tx_csum_flags = (CSUM_IP | CSUM_TCP | CSUM_UDP |
 788             CSUM_TCP_IPV6 | CSUM_UDP_IPV6 | CSUM_TSO);
 789         scctx->isc_capabilities = scctx->isc_capenable =
 790             /* These are translated to hwassit bits */
 791             IFCAP_TXCSUM | IFCAP_TXCSUM_IPV6 | IFCAP_TSO4 | IFCAP_TSO6 |
 792             /* These are checked by iflib */
 793             IFCAP_LRO | IFCAP_VLAN_HWFILTER |
 794             /* These are part of the iflib mask */
 795             IFCAP_RXCSUM | IFCAP_RXCSUM_IPV6 | IFCAP_VLAN_MTU |
 796             IFCAP_VLAN_HWTAGGING | IFCAP_VLAN_HWTSO |
 797             /* These likely get lost... */
 798             IFCAP_VLAN_HWCSUM | IFCAP_JUMBO_MTU;
 799
 800         if (bnxt_wol_supported(softc))
 801                 scctx->isc_capenable |= IFCAP_WOL_MAGIC;
 802
 803         /* Get the queue config */
 804         rc = bnxt_hwrm_queue_qportcfg(softc);
 805         if (rc) {
 806                 device_printf(softc->dev, "attach: hwrm qportcfg failed\n");
 807                 goto failed;
 808         }
 809
 810         bnxt_get_wol_settings(softc);
 811
 812         /* Now perform a function reset */
 813         rc = bnxt_hwrm_func_reset(softc);
 814         bnxt_clear_ids(softc);
 815         if (rc)
 816                 goto failed;
 817
 818         /* Now set up iflib sc */
 819         scctx->isc_tx_nsegments = 31,
 820         scctx->isc_tx_tso_segments_max = 31;
 821         scctx->isc_tx_tso_size_max = BNXT_TSO_SIZE;
 822         scctx->isc_tx_tso_segsize_max = BNXT_TSO_SIZE;
 823         scctx->isc_vectors = softc->func.max_cp_rings;
 824         scctx->isc_min_frame_size = BNXT_MIN_FRAME_SIZE;
 825         scctx->isc_txrx = &bnxt_txrx;
 826
 827         if (scctx->isc_nrxd[0] <
 828             ((scctx->isc_nrxd[1] * 4) + scctx->isc_nrxd[2]))
 829                 device_printf(softc->dev,
 830                     "WARNING: nrxd0 (%d) should be at least 4 * nrxd1 (%d) + nrxd2 (%d).  Driver may be unstable\n",
 831                     scctx->isc_nrxd[0], scctx->isc_nrxd[1], scctx->isc_nrxd[2]);
 832         if (scctx->isc_ntxd[0] < scctx->isc_ntxd[1] * 2)
 833                 device_printf(softc->dev,
 834                     "WARNING: ntxd0 (%d) should be at least 2 * ntxd1 (%d).  Driver may be unstable\n",
 835                     scctx->isc_ntxd[0], scctx->isc_ntxd[1]);
 836         scctx->isc_txqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_ntxd[0];
 837         scctx->isc_txqsizes[1] = sizeof(struct tx_bd_short) *
 838             scctx->isc_ntxd[1];
 839         scctx->isc_rxqsizes[0] = sizeof(struct cmpl_base) * scctx->isc_nrxd[0];
 840         scctx->isc_rxqsizes[1] = sizeof(struct rx_prod_pkt_bd) *
 841             scctx->isc_nrxd[1];
 842         scctx->isc_rxqsizes[2] = sizeof(struct rx_prod_pkt_bd) *
 843             scctx->isc_nrxd[2];
 844
 845         scctx->isc_nrxqsets_max = min(pci_msix_count(softc->dev)-1,
 846             softc->fn_qcfg.alloc_completion_rings - 1);
 847         scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
 848             softc->fn_qcfg.alloc_rx_rings);
 849         scctx->isc_nrxqsets_max = min(scctx->isc_nrxqsets_max,
 850             softc->fn_qcfg.alloc_vnics);
 851         scctx->isc_ntxqsets_max = min(softc->fn_qcfg.alloc_tx_rings,
 852             softc->fn_qcfg.alloc_completion_rings - scctx->isc_nrxqsets_max - 1);
 853
 854         scctx->isc_rss_table_size = HW_HASH_INDEX_SIZE;
 855         scctx->isc_rss_table_mask = scctx->isc_rss_table_size - 1;
 856
 857         /* iflib will map and release this bar */
 858         scctx->isc_msix_bar = pci_msix_table_bar(softc->dev);
 859
 860         /*
 861          * Default settings for HW LRO (TPA):
 862          *  Disable HW LRO by default
 863          *  Can be enabled after taking care of 'packet forwarding'
 864          */
 865         softc->hw_lro.enable = 0;
 866         softc->hw_lro.is_mode_gro = 0;
 867         softc->hw_lro.max_agg_segs = 5; /* 2^5 = 32 segs */
 868         softc->hw_lro.max_aggs = HWRM_VNIC_TPA_CFG_INPUT_MAX_AGGS_MAX;
 869         softc->hw_lro.min_agg_len = 512;
 870
 871         /* Allocate the default completion ring */
 872         softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
 873         softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 874         softc->def_cp_ring.ring.softc = softc;
 875         softc->def_cp_ring.ring.id = 0;
 876         softc->def_cp_ring.ring.doorbell = softc->def_cp_ring.ring.id * 0x80;
 877         softc->def_cp_ring.ring.ring_size = PAGE_SIZE /
 878             sizeof(struct cmpl_base);
 879         rc = iflib_dma_alloc(ctx,
 880             sizeof(struct cmpl_base) * softc->def_cp_ring.ring.ring_size,
 881             &softc->def_cp_ring_mem, 0);
 882         softc->def_cp_ring.ring.vaddr = softc->def_cp_ring_mem.idi_vaddr;
 883         softc->def_cp_ring.ring.paddr = softc->def_cp_ring_mem.idi_paddr;
 884         iflib_config_gtask_init(ctx, &softc->def_cp_task, bnxt_def_cp_task,
 885             "dflt_cp");
 886
 887         rc = bnxt_init_sysctl_ctx(softc);
 888         if (rc)
 889                 goto init_sysctl_failed;
 890         if (BNXT_PF(softc)) {
 891                 rc = bnxt_create_nvram_sysctls(softc->nvm_info);
 892                 if (rc)
 893                         goto failed;
 894         }
 895
 896         arc4rand(softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE, 0);
 897         softc->vnic_info.rss_hash_type =
 898             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4 |
 899             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4 |
 900             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4 |
 901             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6 |
 902             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6 |
 903             HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6;
 904         rc = bnxt_create_config_sysctls_pre(softc);
 905         if (rc)
 906                 goto failed;
 907
 908         rc = bnxt_create_hw_lro_sysctls(softc);
 909         if (rc)
 910                 goto failed;
 911
 912         rc = bnxt_create_pause_fc_sysctls(softc);
 913         if (rc)
 914                 goto failed;
 915
 916         /* Initialize the vlan list */
 917         SLIST_INIT(&softc->vnic_info.vlan_tags);
 918         softc->vnic_info.vlan_tag_list.idi_vaddr = NULL;
 919
 920         return (rc);
 921
 922 failed:
 923         bnxt_free_sysctl_ctx(softc);
 924 init_sysctl_failed:
 925         bnxt_hwrm_func_drv_unrgtr(softc, false);
 926 drv_rgtr_fail:
 927         if (BNXT_PF(softc))
 928                 free(softc->nvm_info, M_DEVBUF);
 929 nvm_alloc_fail:
 930         bnxt_free_hwrm_short_cmd_req(softc);
 931 hwrm_short_cmd_alloc_fail:
 932 ver_fail:
 933         free(softc->ver_info, M_DEVBUF);
 934 ver_alloc_fail:
 935         bnxt_free_hwrm_dma_mem(softc);
 936 dma_fail:
 937         BNXT_HWRM_LOCK_DESTROY(softc);
 938         bnxt_pci_mapping_free(softc);
 939         pci_disable_busmaster(softc->dev);
 940         return (rc);
 941 }
 942
 943 static int
 944 bnxt_attach_post(if_ctx_t ctx)
 945 {
 946         struct bnxt_softc *softc = iflib_get_softc(ctx);
 947         if_t ifp = iflib_get_ifp(ctx);
 948         int rc;
 949
 950         bnxt_create_config_sysctls_post(softc);
 951
 952         /* Update link state etc... */
 953         rc = bnxt_probe_phy(softc);
 954         if (rc)
 955                 goto failed;
 956
 957         /* Needs to be done after probing the phy */
 958         bnxt_create_ver_sysctls(softc);
 959         bnxt_add_media_types(softc);
 960         ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
 961
 962         softc->scctx->isc_max_frame_size = ifp->if_mtu + ETHER_HDR_LEN +
 963             ETHER_CRC_LEN;
 964
 965 failed:
 966         return rc;
 967 }
 968
 969 static int
 970 bnxt_detach(if_ctx_t ctx)
 971 {
 972         struct bnxt_softc *softc = iflib_get_softc(ctx);
 973         struct bnxt_vlan_tag *tag;
 974         struct bnxt_vlan_tag *tmp;
 975         int i;
 976
 977         bnxt_wol_config(ctx);
 978         bnxt_do_disable_intr(&softc->def_cp_ring);
 979         bnxt_free_sysctl_ctx(softc);
 980         bnxt_hwrm_func_reset(softc);
 981         bnxt_clear_ids(softc);
 982         iflib_irq_free(ctx, &softc->def_cp_ring.irq);
 983         iflib_config_gtask_deinit(&softc->def_cp_task);
 984         /* We need to free() these here... */
 985         for (i = softc->nrxqsets-1; i>=0; i--) {
 986                 iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
 987         }
 988         iflib_dma_free(&softc->vnic_info.mc_list);
 989         iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
 990         iflib_dma_free(&softc->vnic_info.rss_grp_tbl);
 991         if (softc->vnic_info.vlan_tag_list.idi_vaddr)
 992                 iflib_dma_free(&softc->vnic_info.vlan_tag_list);
 993         SLIST_FOREACH_SAFE(tag, &softc->vnic_info.vlan_tags, next, tmp)
 994                 free(tag, M_DEVBUF);
 995         iflib_dma_free(&softc->def_cp_ring_mem);
 996         for (i = 0; i < softc->nrxqsets; i++)
 997                 free(softc->rx_rings[i].tpa_start, M_DEVBUF);
 998         free(softc->ver_info, M_DEVBUF);
 999         if (BNXT_PF(softc))
1000                 free(softc->nvm_info, M_DEVBUF);
1001
1002         bnxt_hwrm_func_drv_unrgtr(softc, false);
1003         bnxt_free_hwrm_dma_mem(softc);
1004         bnxt_free_hwrm_short_cmd_req(softc);
1005         BNXT_HWRM_LOCK_DESTROY(softc);
1006
1007         pci_disable_busmaster(softc->dev);
1008         bnxt_pci_mapping_free(softc);
1009
1010         return 0;
1011 }
1012
1013 /* Device configuration */
1014 static void
1015 bnxt_init(if_ctx_t ctx)
1016 {
1017         struct bnxt_softc *softc = iflib_get_softc(ctx);
1018         struct ifmediareq ifmr;
1019         int i, j;
1020         int rc;
1021
1022         rc = bnxt_hwrm_func_reset(softc);
1023         if (rc)
1024                 return;
1025         bnxt_clear_ids(softc);
1026
1027         /* Allocate the default completion ring */
1028         softc->def_cp_ring.cons = UINT32_MAX;
1029         softc->def_cp_ring.v_bit = 1;
1030         bnxt_mark_cpr_invalid(&softc->def_cp_ring);
1031         rc = bnxt_hwrm_ring_alloc(softc,
1032             HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1033             &softc->def_cp_ring.ring,
1034             (uint16_t)HWRM_NA_SIGNATURE,
1035             HWRM_NA_SIGNATURE, true);
1036         if (rc)
1037                 goto fail;
1038
1039         /* And now set the default CP ring as the async CP ring */
1040         rc = bnxt_cfg_async_cr(softc);
1041         if (rc)
1042                 goto fail;
1043
1044         for (i = 0; i < softc->nrxqsets; i++) {
1045                 /* Allocate the statistics context */
1046                 rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->rx_cp_rings[i],
1047                     softc->rx_stats.idi_paddr +
1048                     (sizeof(struct ctx_hw_stats) * i));
1049                 if (rc)
1050                         goto fail;
1051
1052                 /* Allocate the completion ring */
1053                 softc->rx_cp_rings[i].cons = UINT32_MAX;
1054                 softc->rx_cp_rings[i].v_bit = 1;
1055                 softc->rx_cp_rings[i].last_idx = UINT32_MAX;
1056                 bnxt_mark_cpr_invalid(&softc->rx_cp_rings[i]);
1057                 rc = bnxt_hwrm_ring_alloc(softc,
1058                     HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1059                     &softc->rx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE,
1060                     HWRM_NA_SIGNATURE, true);
1061                 if (rc)
1062                         goto fail;
1063
1064                 /* Allocate the RX ring */
1065                 rc = bnxt_hwrm_ring_alloc(softc,
1066                     HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
1067                     &softc->rx_rings[i], (uint16_t)HWRM_NA_SIGNATURE,
1068                     HWRM_NA_SIGNATURE, false);
1069                 if (rc)
1070                         goto fail;
1071                 BNXT_RX_DB(&softc->rx_rings[i], 0);
1072                 /* TODO: Cumulus+ doesn't need the double doorbell */
1073                 BNXT_RX_DB(&softc->rx_rings[i], 0);
1074
1075                 /* Allocate the AG ring */
1076                 rc = bnxt_hwrm_ring_alloc(softc,
1077                     HWRM_RING_ALLOC_INPUT_RING_TYPE_RX,
1078                     &softc->ag_rings[i], (uint16_t)HWRM_NA_SIGNATURE,
1079                     HWRM_NA_SIGNATURE, false);
1080                 if (rc)
1081                         goto fail;
1082                 BNXT_RX_DB(&softc->rx_rings[i], 0);
1083                 /* TODO: Cumulus+ doesn't need the double doorbell */
1084                 BNXT_RX_DB(&softc->ag_rings[i], 0);
1085
1086                 /* Allocate the ring group */
1087                 softc->grp_info[i].stats_ctx =
1088                     softc->rx_cp_rings[i].stats_ctx_id;
1089                 softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
1090                 softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
1091                 softc->grp_info[i].cp_ring_id =
1092                     softc->rx_cp_rings[i].ring.phys_id;
1093                 rc = bnxt_hwrm_ring_grp_alloc(softc, &softc->grp_info[i]);
1094                 if (rc)
1095                         goto fail;
1096
1097         }
1098
1099         /* Allocate the VNIC RSS context */
1100         rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id);
1101         if (rc)
1102                 goto fail;
1103
1104         /* Allocate the vnic */
1105         softc->vnic_info.def_ring_grp = softc->grp_info[0].grp_id;
1106         softc->vnic_info.mru = softc->scctx->isc_max_frame_size;
1107         rc = bnxt_hwrm_vnic_alloc(softc, &softc->vnic_info);
1108         if (rc)
1109                 goto fail;
1110         rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info);
1111         if (rc)
1112                 goto fail;
1113         rc = bnxt_hwrm_set_filter(softc, &softc->vnic_info);
1114         if (rc)
1115                 goto fail;
1116
1117         /* Enable RSS on the VNICs */
1118         for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) {
1119                 ((uint16_t *)
1120                     softc->vnic_info.rss_grp_tbl.idi_vaddr)[i] =
1121                     htole16(softc->grp_info[j].grp_id);
1122                 if (++j == softc->nrxqsets)
1123                         j = 0;
1124         }
1125
1126         rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info,
1127             softc->vnic_info.rss_hash_type);
1128         if (rc)
1129                 goto fail;
1130
1131         rc = bnxt_hwrm_vnic_tpa_cfg(softc);
1132         if (rc)
1133                 goto fail;
1134
1135         for (i = 0; i < softc->ntxqsets; i++) {
1136                 /* Allocate the statistics context */
1137                 rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->tx_cp_rings[i],
1138                     softc->tx_stats.idi_paddr +
1139                     (sizeof(struct ctx_hw_stats) * i));
1140                 if (rc)
1141                         goto fail;
1142
1143                 /* Allocate the completion ring */
1144                 softc->tx_cp_rings[i].cons = UINT32_MAX;
1145                 softc->tx_cp_rings[i].v_bit = 1;
1146                 bnxt_mark_cpr_invalid(&softc->tx_cp_rings[i]);
1147                 rc = bnxt_hwrm_ring_alloc(softc,
1148                     HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1149                     &softc->tx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE,
1150                     HWRM_NA_SIGNATURE, false);
1151                 if (rc)
1152                         goto fail;
1153
1154                 /* Allocate the TX ring */
1155                 rc = bnxt_hwrm_ring_alloc(softc,
1156                     HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
1157                     &softc->tx_rings[i], softc->tx_cp_rings[i].ring.phys_id,
1158                     softc->tx_cp_rings[i].stats_ctx_id, false);
1159                 if (rc)
1160                         goto fail;
1161                 BNXT_TX_DB(&softc->tx_rings[i], 0);
1162                 /* TODO: Cumulus+ doesn't need the double doorbell */
1163                 BNXT_TX_DB(&softc->tx_rings[i], 0);
1164         }
1165
1166         bnxt_do_enable_intr(&softc->def_cp_ring);
1167         bnxt_media_status(softc->ctx, &ifmr);
1168         bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1169         return;
1170
1171 fail:
1172         bnxt_hwrm_func_reset(softc);
1173         bnxt_clear_ids(softc);
1174         return;
1175 }
1176
1177 static void
1178 bnxt_stop(if_ctx_t ctx)
1179 {
1180         struct bnxt_softc *softc = iflib_get_softc(ctx);
1181
1182         bnxt_do_disable_intr(&softc->def_cp_ring);
1183         bnxt_hwrm_func_reset(softc);
1184         bnxt_clear_ids(softc);
1185         return;
1186 }
1187
1188 static void
1189 bnxt_multi_set(if_ctx_t ctx)
1190 {
1191         struct bnxt_softc *softc = iflib_get_softc(ctx);
1192         if_t ifp = iflib_get_ifp(ctx);
1193         uint8_t *mta;
1194         int cnt, mcnt;
1195
1196         mcnt = if_multiaddr_count(ifp, -1);
1197
1198         if (mcnt > BNXT_MAX_MC_ADDRS) {
1199                 softc->vnic_info.rx_mask |=
1200                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1201                 bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1202         }
1203         else {
1204                 softc->vnic_info.rx_mask &=
1205                     ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1206                 mta = softc->vnic_info.mc_list.idi_vaddr;
1207                 bzero(mta, softc->vnic_info.mc_list.idi_size);
1208                 if_multiaddr_array(ifp, mta, &cnt, mcnt);
1209                 bus_dmamap_sync(softc->vnic_info.mc_list.idi_tag,
1210                     softc->vnic_info.mc_list.idi_map, BUS_DMASYNC_PREWRITE);
1211                 softc->vnic_info.mc_list_count = cnt;
1212                 softc->vnic_info.rx_mask |=
1213                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST;
1214                 if (bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info))
1215                         device_printf(softc->dev,
1216                             "set_multi: rx_mask set failed\n");
1217         }
1218 }
1219
1220 static int
1221 bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu)
1222 {
1223         struct bnxt_softc *softc = iflib_get_softc(ctx);
1224
1225         if (mtu > BNXT_MAX_MTU)
1226                 return EINVAL;
1227
1228         softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1229         return 0;
1230 }
1231
1232 static void
1233 bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
1234 {
1235         struct bnxt_softc *softc = iflib_get_softc(ctx);
1236         struct bnxt_link_info *link_info = &softc->link_info;
1237         struct ifmedia_entry *next;
1238         uint64_t target_baudrate = bnxt_get_baudrate(link_info);
1239         int active_media = IFM_UNKNOWN;
1240
1241
1242         bnxt_update_link(softc, true);
1243
1244         ifmr->ifm_status = IFM_AVALID;
1245         ifmr->ifm_active = IFM_ETHER;
1246
1247         if (link_info->link_up)
1248                 ifmr->ifm_status |= IFM_ACTIVE;
1249         else
1250                 ifmr->ifm_status &= ~IFM_ACTIVE;
1251
1252         if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
1253                 ifmr->ifm_active |= IFM_FDX;
1254         else
1255                 ifmr->ifm_active |= IFM_HDX;
1256
1257         /*
1258          * Go through the list of supported media which got prepared
1259          * as part of bnxt_add_media_types() using api ifmedia_add().
1260          */
1261         LIST_FOREACH(next, &(iflib_get_media(ctx)->ifm_list), ifm_list) {
1262                 if (ifmedia_baudrate(next->ifm_media) == target_baudrate) {
1263                         active_media = next->ifm_media;
1264                         break;
1265                 }
1266         }
1267         ifmr->ifm_active |= active_media;
1268
1269         if (link_info->flow_ctrl.rx)
1270                 ifmr->ifm_active |= IFM_ETH_RXPAUSE;
1271         if (link_info->flow_ctrl.tx)
1272                 ifmr->ifm_active |= IFM_ETH_TXPAUSE;
1273
1274         bnxt_report_link(softc);
1275         return;
1276 }
1277
1278 static int
1279 bnxt_media_change(if_ctx_t ctx)
1280 {
1281         struct bnxt_softc *softc = iflib_get_softc(ctx);
1282         struct ifmedia *ifm = iflib_get_media(ctx);
1283         struct ifmediareq ifmr;
1284         int rc;
1285
1286         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1287                 return EINVAL;
1288
1289         switch (IFM_SUBTYPE(ifm->ifm_media)) {
1290         case IFM_100_T:
1291                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1292                 softc->link_info.req_link_speed =
1293                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100MB;
1294                 break;
1295         case IFM_1000_KX:
1296         case IFM_1000_T:
1297         case IFM_1000_SGMII:
1298                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1299                 softc->link_info.req_link_speed =
1300                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_1GB;
1301                 break;
1302         case IFM_2500_KX:
1303         case IFM_2500_T:
1304                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1305                 softc->link_info.req_link_speed =
1306                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_2_5GB;
1307                 break;
1308         case IFM_10G_CR1:
1309         case IFM_10G_KR:
1310         case IFM_10G_LR:
1311         case IFM_10G_SR:
1312         case IFM_10G_T:
1313                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1314                 softc->link_info.req_link_speed =
1315                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_10GB;
1316                 break;
1317         case IFM_20G_KR2:
1318                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1319                 softc->link_info.req_link_speed =
1320                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_20GB;
1321                 break;
1322         case IFM_25G_CR:
1323         case IFM_25G_KR:
1324         case IFM_25G_SR:
1325                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1326                 softc->link_info.req_link_speed =
1327                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB;
1328                 break;
1329         case IFM_40G_CR4:
1330         case IFM_40G_KR4:
1331         case IFM_40G_LR4:
1332         case IFM_40G_SR4:
1333                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1334                 softc->link_info.req_link_speed =
1335                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB;
1336                 break;
1337         case IFM_50G_CR2:
1338         case IFM_50G_KR2:
1339                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1340                 softc->link_info.req_link_speed =
1341                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB;
1342                 break;
1343         case IFM_100G_CR4:
1344         case IFM_100G_KR4:
1345         case IFM_100G_LR4:
1346         case IFM_100G_SR4:
1347                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1348                 softc->link_info.req_link_speed =
1349                         HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB;
1350                 break;
1351         default:
1352                 device_printf(softc->dev,
1353                     "Unsupported media type!  Using auto\n");
1354                 /* Fall-through */
1355         case IFM_AUTO:
1356                 // Auto
1357                 softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
1358                 break;
1359         }
1360         rc = bnxt_hwrm_set_link_setting(softc, true, true, true);
1361         bnxt_media_status(softc->ctx, &ifmr);
1362         return rc;
1363 }
1364
1365 static int
1366 bnxt_promisc_set(if_ctx_t ctx, int flags)
1367 {
1368         struct bnxt_softc *softc = iflib_get_softc(ctx);
1369         if_t ifp = iflib_get_ifp(ctx);
1370         int rc;
1371
1372         if (ifp->if_flags & IFF_ALLMULTI ||
1373             if_multiaddr_count(ifp, -1) > BNXT_MAX_MC_ADDRS)
1374                 softc->vnic_info.rx_mask |=
1375                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1376         else
1377                 softc->vnic_info.rx_mask &=
1378                     ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1379
1380         if (ifp->if_flags & IFF_PROMISC)
1381                 softc->vnic_info.rx_mask |=
1382                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1383                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN;
1384         else
1385                 softc->vnic_info.rx_mask &=
1386                     ~(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1387                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
1388
1389         rc = bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1390
1391         return rc;
1392 }
1393
1394 static uint64_t
1395 bnxt_get_counter(if_ctx_t ctx, ift_counter cnt)
1396 {
1397         if_t ifp = iflib_get_ifp(ctx);
1398
1399         if (cnt < IFCOUNTERS)
1400                 return if_get_counter_default(ifp, cnt);
1401
1402         return 0;
1403 }
1404
1405 static void
1406 bnxt_update_admin_status(if_ctx_t ctx)
1407 {
1408         struct bnxt_softc *softc = iflib_get_softc(ctx);
1409
1410         /*
1411          * When SR-IOV is enabled, avoid each VF sending this HWRM
1412          * request every sec with which firmware timeouts can happen
1413          */
1414         if (BNXT_PF(softc)) {
1415                 bnxt_hwrm_port_qstats(softc);
1416         }
1417
1418         return;
1419 }
1420
1421 static void
1422 bnxt_if_timer(if_ctx_t ctx, uint16_t qid)
1423 {
1424
1425         struct bnxt_softc *softc = iflib_get_softc(ctx);
1426         uint64_t ticks_now = ticks;
1427
1428         /* Schedule bnxt_update_admin_status() once per sec */
1429         if (ticks_now - softc->admin_ticks >= hz) {
1430                 softc->admin_ticks = ticks_now;
1431                 iflib_admin_intr_deferred(ctx);
1432         }
1433
1434         return;
1435 }
1436
1437 static void inline
1438 bnxt_do_enable_intr(struct bnxt_cp_ring *cpr)
1439 {
1440         if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE) {
1441                 /* First time enabling, do not set index */
1442                 if (cpr->cons == UINT32_MAX)
1443                         BNXT_CP_ENABLE_DB(&cpr->ring);
1444                 else
1445                         BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
1446         }
1447 }
1448
1449 static void inline
1450 bnxt_do_disable_intr(struct bnxt_cp_ring *cpr)
1451 {
1452         if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE)
1453                 BNXT_CP_DISABLE_DB(&cpr->ring);
1454 }
1455
1456 /* Enable all interrupts */
1457 static void
1458 bnxt_intr_enable(if_ctx_t ctx)
1459 {
1460         struct bnxt_softc *softc = iflib_get_softc(ctx);
1461         int i;
1462
1463         bnxt_do_enable_intr(&softc->def_cp_ring);
1464         for (i = 0; i < softc->nrxqsets; i++)
1465                 bnxt_do_enable_intr(&softc->rx_cp_rings[i]);
1466
1467         return;
1468 }
1469
1470 /* Enable interrupt for a single queue */
1471 static int
1472 bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
1473 {
1474         struct bnxt_softc *softc = iflib_get_softc(ctx);
1475
1476         bnxt_do_enable_intr(&softc->tx_cp_rings[qid]);
1477         return 0;
1478 }
1479
1480 static int
1481 bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
1482 {
1483         struct bnxt_softc *softc = iflib_get_softc(ctx);
1484
1485         bnxt_do_enable_intr(&softc->rx_cp_rings[qid]);
1486         return 0;
1487 }
1488
1489 /* Disable all interrupts */
1490 static void
1491 bnxt_disable_intr(if_ctx_t ctx)
1492 {
1493         struct bnxt_softc *softc = iflib_get_softc(ctx);
1494         int i;
1495
1496         /*
1497          * NOTE: These TX interrupts should never get enabled, so don't
1498          * update the index
1499          */
1500         for (i = 0; i < softc->ntxqsets; i++)
1501                 bnxt_do_disable_intr(&softc->tx_cp_rings[i]);
1502         for (i = 0; i < softc->nrxqsets; i++)
1503                 bnxt_do_disable_intr(&softc->rx_cp_rings[i]);
1504
1505         return;
1506 }
1507
1508 static int
1509 bnxt_msix_intr_assign(if_ctx_t ctx, int msix)
1510 {
1511         struct bnxt_softc *softc = iflib_get_softc(ctx);
1512         int rc;
1513         int i;
1514         char irq_name[16];
1515
1516         rc = iflib_irq_alloc_generic(ctx, &softc->def_cp_ring.irq,
1517             softc->def_cp_ring.ring.id + 1, IFLIB_INTR_ADMIN,
1518             bnxt_handle_def_cp, softc, 0, "def_cp");
1519         if (rc) {
1520                 device_printf(iflib_get_dev(ctx),
1521                     "Failed to register default completion ring handler\n");
1522                 return rc;
1523         }
1524
1525         for (i=0; i<softc->scctx->isc_nrxqsets; i++) {
1526                 snprintf(irq_name, sizeof(irq_name), "rxq%d", i);
1527                 rc = iflib_irq_alloc_generic(ctx, &softc->rx_cp_rings[i].irq,
1528                     softc->rx_cp_rings[i].ring.id + 1, IFLIB_INTR_RX,
1529                     bnxt_handle_rx_cp, &softc->rx_cp_rings[i], i, irq_name);
1530                 if (rc) {
1531                         device_printf(iflib_get_dev(ctx),
1532                             "Failed to register RX completion ring handler\n");
1533                         i--;
1534                         goto fail;
1535                 }
1536         }
1537
1538         for (i=0; i<softc->scctx->isc_ntxqsets; i++)
1539                 iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_TX, NULL, i, "tx_cp");
1540
1541         return rc;
1542
1543 fail:
1544         for (; i>=0; i--)
1545                 iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
1546         iflib_irq_free(ctx, &softc->def_cp_ring.irq);
1547         return rc;
1548 }
1549
1550 /*
1551  * We're explicitly allowing duplicates here.  They will need to be
1552  * removed as many times as they are added.
1553  */
1554 static void
1555 bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag)
1556 {
1557         struct bnxt_softc *softc = iflib_get_softc(ctx);
1558         struct bnxt_vlan_tag *new_tag;
1559
1560         new_tag = malloc(sizeof(struct bnxt_vlan_tag), M_DEVBUF, M_NOWAIT);
1561         if (new_tag == NULL)
1562                 return;
1563         new_tag->tag = vtag;
1564         new_tag->tpid = 8100;
1565         SLIST_INSERT_HEAD(&softc->vnic_info.vlan_tags, new_tag, next);
1566 };
1567
1568 static void
1569 bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1570 {
1571         struct bnxt_softc *softc = iflib_get_softc(ctx);
1572         struct bnxt_vlan_tag *vlan_tag;
1573
1574         SLIST_FOREACH(vlan_tag, &softc->vnic_info.vlan_tags, next) {
1575                 if (vlan_tag->tag == vtag) {
1576                         SLIST_REMOVE(&softc->vnic_info.vlan_tags, vlan_tag,
1577                             bnxt_vlan_tag, next);
1578                         free(vlan_tag, M_DEVBUF);
1579                         break;
1580                 }
1581         }
1582 }
1583
1584 static int
1585 bnxt_wol_config(if_ctx_t ctx)
1586 {
1587         struct bnxt_softc *softc = iflib_get_softc(ctx);
1588         if_t ifp = iflib_get_ifp(ctx);
1589
1590         if (!softc)
1591                 return -EBUSY;
1592
1593         if (!bnxt_wol_supported(softc))
1594                 return -ENOTSUP;
1595
1596         if (if_getcapabilities(ifp) & IFCAP_WOL_MAGIC) {
1597                 if (!softc->wol) {
1598                         if (bnxt_hwrm_alloc_wol_fltr(softc))
1599                                 return -EBUSY;
1600                         softc->wol = 1;
1601                 }
1602         } else {
1603                 if (softc->wol) {
1604                         if (bnxt_hwrm_free_wol_fltr(softc))
1605                                 return -EBUSY;
1606                         softc->wol = 0;
1607                 }
1608         }
1609
1610         return 0;
1611 }
1612
1613 static int
1614 bnxt_shutdown(if_ctx_t ctx)
1615 {
1616         bnxt_wol_config(ctx);
1617         return 0;
1618 }
1619
1620 static int
1621 bnxt_suspend(if_ctx_t ctx)
1622 {
1623         bnxt_wol_config(ctx);
1624         return 0;
1625 }
1626
1627 static int
1628 bnxt_resume(if_ctx_t ctx)
1629 {
1630         struct bnxt_softc *softc = iflib_get_softc(ctx);
1631
1632         bnxt_get_wol_settings(softc);
1633         return 0;
1634 }
1635
1636 static int
1637 bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data)
1638 {
1639         struct bnxt_softc *softc = iflib_get_softc(ctx);
1640         struct ifreq *ifr = (struct ifreq *)data;
1641         struct bnxt_ioctl_header *ioh;
1642         size_t iol;
1643         int rc = ENOTSUP;
1644         struct bnxt_ioctl_data iod_storage, *iod = &iod_storage;
1645
1646
1647         switch (command) {
1648         case SIOCGPRIVATE_0:
1649                 if ((rc = priv_check(curthread, PRIV_DRIVER)) != 0)
1650                         goto exit;
1651
1652                 ioh = ifr_buffer_get_buffer(ifr);
1653                 iol = ifr_buffer_get_length(ifr);
1654                 if (iol > sizeof(iod_storage))
1655                         return (EINVAL);
1656
1657                 if ((rc = copyin(ioh, iod, iol)) != 0)
1658                         goto exit;
1659
1660                 switch (iod->hdr.type) {
1661                 case BNXT_HWRM_NVM_FIND_DIR_ENTRY:
1662                 {
1663                         struct bnxt_ioctl_hwrm_nvm_find_dir_entry *find =
1664                             &iod->find;
1665
1666                         rc = bnxt_hwrm_nvm_find_dir_entry(softc, find->type,
1667                             &find->ordinal, find->ext, &find->index,
1668                             find->use_index, find->search_opt,
1669                             &find->data_length, &find->item_length,
1670                             &find->fw_ver);
1671                         if (rc) {
1672                                 iod->hdr.rc = rc;
1673                                 copyout(&iod->hdr.rc, &ioh->rc,
1674                                     sizeof(ioh->rc));
1675                         }
1676                         else {
1677                                 iod->hdr.rc = 0;
1678                                 copyout(iod, ioh, iol);
1679                         }
1680
1681                         rc = 0;
1682                         goto exit;
1683                 }
1684                 case BNXT_HWRM_NVM_READ:
1685                 {
1686                         struct bnxt_ioctl_hwrm_nvm_read *rd = &iod->read;
1687                         struct iflib_dma_info dma_data;
1688                         size_t offset;
1689                         size_t remain;
1690                         size_t csize;
1691
1692                         /*
1693                          * Some HWRM versions can't read more than 0x8000 bytes
1694                          */
1695                         rc = iflib_dma_alloc(softc->ctx,
1696                             min(rd->length, 0x8000), &dma_data, BUS_DMA_NOWAIT);
1697                         if (rc)
1698                                 break;
1699                         for (remain = rd->length, offset = 0;
1700                             remain && offset < rd->length; offset += 0x8000) {
1701                                 csize = min(remain, 0x8000);
1702                                 rc = bnxt_hwrm_nvm_read(softc, rd->index,
1703                                     rd->offset + offset, csize, &dma_data);
1704                                 if (rc) {
1705                                         iod->hdr.rc = rc;
1706                                         copyout(&iod->hdr.rc, &ioh->rc,
1707                                             sizeof(ioh->rc));
1708                                         break;
1709                                 }
1710                                 else {
1711                                         copyout(dma_data.idi_vaddr,
1712                                             rd->data + offset, csize);
1713                                         iod->hdr.rc = 0;
1714                                 }
1715                                 remain -= csize;
1716                         }
1717                         if (iod->hdr.rc == 0)
1718                                 copyout(iod, ioh, iol);
1719
1720                         iflib_dma_free(&dma_data);
1721                         rc = 0;
1722                         goto exit;
1723                 }
1724                 case BNXT_HWRM_FW_RESET:
1725                 {
1726                         struct bnxt_ioctl_hwrm_fw_reset *rst =
1727                             &iod->reset;
1728
1729                         rc = bnxt_hwrm_fw_reset(softc, rst->processor,
1730                             &rst->selfreset);
1731                         if (rc) {
1732                                 iod->hdr.rc = rc;
1733                                 copyout(&iod->hdr.rc, &ioh->rc,
1734                                     sizeof(ioh->rc));
1735                         }
1736                         else {
1737                                 iod->hdr.rc = 0;
1738                                 copyout(iod, ioh, iol);
1739                         }
1740
1741                         rc = 0;
1742                         goto exit;
1743                 }
1744                 case BNXT_HWRM_FW_QSTATUS:
1745                 {
1746                         struct bnxt_ioctl_hwrm_fw_qstatus *qstat =
1747                             &iod->status;
1748
1749                         rc = bnxt_hwrm_fw_qstatus(softc, qstat->processor,
1750                             &qstat->selfreset);
1751                         if (rc) {
1752                                 iod->hdr.rc = rc;
1753                                 copyout(&iod->hdr.rc, &ioh->rc,
1754                                     sizeof(ioh->rc));
1755                         }
1756                         else {
1757                                 iod->hdr.rc = 0;
1758                                 copyout(iod, ioh, iol);
1759                         }
1760
1761                         rc = 0;
1762                         goto exit;
1763                 }
1764                 case BNXT_HWRM_NVM_WRITE:
1765                 {
1766                         struct bnxt_ioctl_hwrm_nvm_write *wr =
1767                             &iod->write;
1768
1769                         rc = bnxt_hwrm_nvm_write(softc, wr->data, true,
1770                             wr->type, wr->ordinal, wr->ext, wr->attr,
1771                             wr->option, wr->data_length, wr->keep,
1772                             &wr->item_length, &wr->index);
1773                         if (rc) {
1774                                 iod->hdr.rc = rc;
1775                                 copyout(&iod->hdr.rc, &ioh->rc,
1776                                     sizeof(ioh->rc));
1777                         }
1778                         else {
1779                                 iod->hdr.rc = 0;
1780                                 copyout(iod, ioh, iol);
1781                         }
1782
1783                         rc = 0;
1784                         goto exit;
1785                 }
1786                 case BNXT_HWRM_NVM_ERASE_DIR_ENTRY:
1787                 {
1788                         struct bnxt_ioctl_hwrm_nvm_erase_dir_entry *erase =
1789                             &iod->erase;
1790
1791                         rc = bnxt_hwrm_nvm_erase_dir_entry(softc, erase->index);
1792                         if (rc) {
1793                                 iod->hdr.rc = rc;
1794                                 copyout(&iod->hdr.rc, &ioh->rc,
1795                                     sizeof(ioh->rc));
1796                         }
1797                         else {
1798                                 iod->hdr.rc = 0;
1799                                 copyout(iod, ioh, iol);
1800                         }
1801
1802                         rc = 0;
1803                         goto exit;
1804                 }
1805                 case BNXT_HWRM_NVM_GET_DIR_INFO:
1806                 {
1807                         struct bnxt_ioctl_hwrm_nvm_get_dir_info *info =
1808                             &iod->dir_info;
1809
1810                         rc = bnxt_hwrm_nvm_get_dir_info(softc, &info->entries,
1811                             &info->entry_length);
1812                         if (rc) {
1813                                 iod->hdr.rc = rc;
1814                                 copyout(&iod->hdr.rc, &ioh->rc,
1815                                     sizeof(ioh->rc));
1816                         }
1817                         else {
1818                                 iod->hdr.rc = 0;
1819                                 copyout(iod, ioh, iol);
1820                         }
1821
1822                         rc = 0;
1823                         goto exit;
1824                 }
1825                 case BNXT_HWRM_NVM_GET_DIR_ENTRIES:
1826                 {
1827                         struct bnxt_ioctl_hwrm_nvm_get_dir_entries *get =
1828                             &iod->dir_entries;
1829                         struct iflib_dma_info dma_data;
1830
1831                         rc = iflib_dma_alloc(softc->ctx, get->max_size,
1832                             &dma_data, BUS_DMA_NOWAIT);
1833                         if (rc)
1834                                 break;
1835                         rc = bnxt_hwrm_nvm_get_dir_entries(softc, &get->entries,
1836                             &get->entry_length, &dma_data);
1837                         if (rc) {
1838                                 iod->hdr.rc = rc;
1839                                 copyout(&iod->hdr.rc, &ioh->rc,
1840                                     sizeof(ioh->rc));
1841                         }
1842                         else {
1843                                 copyout(dma_data.idi_vaddr, get->data,
1844                                     get->entry_length * get->entries);
1845                                 iod->hdr.rc = 0;
1846                                 copyout(iod, ioh, iol);
1847                         }
1848                         iflib_dma_free(&dma_data);
1849
1850                         rc = 0;
1851                         goto exit;
1852                 }
1853                 case BNXT_HWRM_NVM_VERIFY_UPDATE:
1854                 {
1855                         struct bnxt_ioctl_hwrm_nvm_verify_update *vrfy =
1856                             &iod->verify;
1857
1858                         rc = bnxt_hwrm_nvm_verify_update(softc, vrfy->type,
1859                             vrfy->ordinal, vrfy->ext);
1860                         if (rc) {
1861                                 iod->hdr.rc = rc;
1862                                 copyout(&iod->hdr.rc, &ioh->rc,
1863                                     sizeof(ioh->rc));
1864                         }
1865                         else {
1866                                 iod->hdr.rc = 0;
1867                                 copyout(iod, ioh, iol);
1868                         }
1869
1870                         rc = 0;
1871                         goto exit;
1872                 }
1873                 case BNXT_HWRM_NVM_INSTALL_UPDATE:
1874                 {
1875                         struct bnxt_ioctl_hwrm_nvm_install_update *inst =
1876                             &iod->install;
1877
1878                         rc = bnxt_hwrm_nvm_install_update(softc,
1879                             inst->install_type, &inst->installed_items,
1880                             &inst->result, &inst->problem_item,
1881                             &inst->reset_required);
1882                         if (rc) {
1883                                 iod->hdr.rc = rc;
1884                                 copyout(&iod->hdr.rc, &ioh->rc,
1885                                     sizeof(ioh->rc));
1886                         }
1887                         else {
1888                                 iod->hdr.rc = 0;
1889                                 copyout(iod, ioh, iol);
1890                         }
1891
1892                         rc = 0;
1893                         goto exit;
1894                 }
1895                 case BNXT_HWRM_NVM_MODIFY:
1896                 {
1897                         struct bnxt_ioctl_hwrm_nvm_modify *mod = &iod->modify;
1898
1899                         rc = bnxt_hwrm_nvm_modify(softc, mod->index,
1900                             mod->offset, mod->data, true, mod->length);
1901                         if (rc) {
1902                                 iod->hdr.rc = rc;
1903                                 copyout(&iod->hdr.rc, &ioh->rc,
1904                                     sizeof(ioh->rc));
1905                         }
1906                         else {
1907                                 iod->hdr.rc = 0;
1908                                 copyout(iod, ioh, iol);
1909                         }
1910
1911                         rc = 0;
1912                         goto exit;
1913                 }
1914                 case BNXT_HWRM_FW_GET_TIME:
1915                 {
1916                         struct bnxt_ioctl_hwrm_fw_get_time *gtm =
1917                             &iod->get_time;
1918
1919                         rc = bnxt_hwrm_fw_get_time(softc, &gtm->year,
1920                             &gtm->month, &gtm->day, &gtm->hour, &gtm->minute,
1921                             &gtm->second, &gtm->millisecond, &gtm->zone);
1922                         if (rc) {
1923                                 iod->hdr.rc = rc;
1924                                 copyout(&iod->hdr.rc, &ioh->rc,
1925                                     sizeof(ioh->rc));
1926                         }
1927                         else {
1928                                 iod->hdr.rc = 0;
1929                                 copyout(iod, ioh, iol);
1930                         }
1931
1932                         rc = 0;
1933                         goto exit;
1934                 }
1935                 case BNXT_HWRM_FW_SET_TIME:
1936                 {
1937                         struct bnxt_ioctl_hwrm_fw_set_time *stm =
1938                             &iod->set_time;
1939
1940                         rc = bnxt_hwrm_fw_set_time(softc, stm->year,
1941                             stm->month, stm->day, stm->hour, stm->minute,
1942                             stm->second, stm->millisecond, stm->zone);
1943                         if (rc) {
1944                                 iod->hdr.rc = rc;
1945                                 copyout(&iod->hdr.rc, &ioh->rc,
1946                                     sizeof(ioh->rc));
1947                         }
1948                         else {
1949                                 iod->hdr.rc = 0;
1950                                 copyout(iod, ioh, iol);
1951                         }
1952
1953                         rc = 0;
1954                         goto exit;
1955                 }
1956                 }
1957                 break;
1958         }
1959
1960 exit:
1961         return rc;
1962 }
1963
1964 /*
1965  * Support functions
1966  */
1967 static int
1968 bnxt_probe_phy(struct bnxt_softc *softc)
1969 {
1970         struct bnxt_link_info *link_info = &softc->link_info;
1971         int rc = 0;
1972
1973         rc = bnxt_update_link(softc, false);
1974         if (rc) {
1975                 device_printf(softc->dev,
1976                     "Probe phy can't update link (rc: %x)\n", rc);
1977                 return (rc);
1978         }
1979
1980         /*initialize the ethool setting copy with NVM settings */
1981         if (link_info->auto_mode != HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE)
1982                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1983
1984         link_info->req_duplex = link_info->duplex_setting;
1985         if (link_info->autoneg & BNXT_AUTONEG_SPEED)
1986                 link_info->req_link_speed = link_info->auto_link_speed;
1987         else
1988                 link_info->req_link_speed = link_info->force_link_speed;
1989         return (rc);
1990 }
1991
1992 static void
1993 bnxt_add_media_types(struct bnxt_softc *softc)
1994 {
1995         struct bnxt_link_info *link_info = &softc->link_info;
1996         uint16_t supported;
1997         uint8_t phy_type = get_phy_type(softc);
1998
1999         supported = link_info->support_speeds;
2000
2001         /* Auto is always supported */
2002         ifmedia_add(softc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2003
2004         if (softc->flags & BNXT_FLAG_NPAR)
2005                 return;
2006
2007         switch (phy_type) {
2008         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR4:
2009         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASECR4:
2010         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_L:
2011         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_S:
2012         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_N:
2013         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR:
2014                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_CR4);
2015                 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_CR2);
2016                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_CR4);
2017                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_CR);
2018                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_CR1);
2019                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2020                 break;
2021
2022         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASELR4:
2023         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASELR4:
2024         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASELR:
2025                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_LR4);
2026                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_LR4);
2027                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_LR);
2028                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_LR);
2029                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_LX);
2030                 break;
2031
2032         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR10:
2033         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR4:
2034         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASESR4:
2035         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR:
2036         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASEER4:
2037         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASEER4:
2038         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASESR:
2039         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASESX:
2040                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_SR4);
2041                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_SR4);
2042                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_SR);
2043                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_SR);
2044                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SX);
2045                 break;
2046
2047         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR4:
2048         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR2:
2049         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR:
2050                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_KR4);
2051                 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR2);
2052                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_KR4);
2053                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_KR);
2054                 BNXT_IFMEDIA_ADD(supported, SPEEDS_20GB, IFM_20G_KR2);
2055                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2056                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2057                 break;
2058
2059         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_ACTIVE_CABLE:
2060                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_ACC);
2061                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_AOC);
2062                 break;
2063
2064         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASECX:
2065                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GBHD, IFM_1000_CX);
2066                 break;
2067
2068         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASET:
2069         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET:
2070         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASETE:
2071                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_T);
2072                 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_T);
2073                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2074                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100MB, IFM_100_T);
2075                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10MB, IFM_10_T);
2076                 break;
2077
2078         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX:
2079                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2080                 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_KX);
2081                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2082                 break;
2083
2084         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_SGMIIEXTPHY:
2085                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SGMII);
2086                 break;
2087
2088         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN:
2089                 /* Only Autoneg is supported for TYPE_UNKNOWN */
2090                 device_printf(softc->dev, "Unknown phy type\n");
2091                 break;
2092
2093         default:
2094                 /* Only Autoneg is supported for new phy type values */
2095                 device_printf(softc->dev, "phy type %d not supported by driver\n", phy_type);
2096                 break;
2097         }
2098
2099         return;
2100 }
2101
2102 static int
2103 bnxt_map_bar(struct bnxt_softc *softc, struct bnxt_bar_info *bar, int bar_num, bool shareable)
2104 {
2105         uint32_t        flag;
2106
2107         if (bar->res != NULL) {
2108                 device_printf(softc->dev, "Bar %d already mapped\n", bar_num);
2109                 return EDOOFUS;
2110         }
2111
2112         bar->rid = PCIR_BAR(bar_num);
2113         flag = RF_ACTIVE;
2114         if (shareable)
2115                 flag |= RF_SHAREABLE;
2116
2117         if ((bar->res =
2118                 bus_alloc_resource_any(softc->dev,
2119                            SYS_RES_MEMORY,
2120                            &bar->rid,
2121                            flag)) == NULL) {
2122                 device_printf(softc->dev,
2123                     "PCI BAR%d mapping failure\n", bar_num);
2124                 return (ENXIO);
2125         }
2126         bar->tag = rman_get_bustag(bar->res);
2127         bar->handle = rman_get_bushandle(bar->res);
2128         bar->size = rman_get_size(bar->res);
2129
2130         return 0;
2131 }
2132
2133 static int
2134 bnxt_pci_mapping(struct bnxt_softc *softc)
2135 {
2136         int rc;
2137
2138         rc = bnxt_map_bar(softc, &softc->hwrm_bar, 0, true);
2139         if (rc)
2140                 return rc;
2141
2142         rc = bnxt_map_bar(softc, &softc->doorbell_bar, 2, false);
2143
2144         return rc;
2145 }
2146
2147 static void
2148 bnxt_pci_mapping_free(struct bnxt_softc *softc)
2149 {
2150         if (softc->hwrm_bar.res != NULL)
2151                 bus_release_resource(softc->dev, SYS_RES_MEMORY,
2152                     softc->hwrm_bar.rid, softc->hwrm_bar.res);
2153         softc->hwrm_bar.res = NULL;
2154
2155         if (softc->doorbell_bar.res != NULL)
2156                 bus_release_resource(softc->dev, SYS_RES_MEMORY,
2157                     softc->doorbell_bar.rid, softc->doorbell_bar.res);
2158         softc->doorbell_bar.res = NULL;
2159 }
2160
2161 static int
2162 bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state)
2163 {
2164         struct bnxt_link_info *link_info = &softc->link_info;
2165         uint8_t link_up = link_info->link_up;
2166         int rc = 0;
2167
2168         rc = bnxt_hwrm_port_phy_qcfg(softc);
2169         if (rc)
2170                 goto exit;
2171
2172         /* TODO: need to add more logic to report VF link */
2173         if (chng_link_state) {
2174                 if (link_info->phy_link_status ==
2175                     HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK)
2176                         link_info->link_up = 1;
2177                 else
2178                         link_info->link_up = 0;
2179                 if (link_up != link_info->link_up)
2180                         bnxt_report_link(softc);
2181         } else {
2182                 /* always link down if not require to update link state */
2183                 link_info->link_up = 0;
2184         }
2185
2186 exit:
2187         return rc;
2188 }
2189
2190 void
2191 bnxt_report_link(struct bnxt_softc *softc)
2192 {
2193         struct bnxt_link_info *link_info = &softc->link_info;
2194         const char *duplex = NULL, *flow_ctrl = NULL;
2195
2196         if (link_info->link_up == link_info->last_link_up) {
2197                 if (!link_info->link_up)
2198                         return;
2199                 if ((link_info->duplex == link_info->last_duplex) &&
2200                     (!(BNXT_IS_FLOW_CTRL_CHANGED(link_info))))
2201                         return;
2202         }
2203
2204         if (link_info->link_up) {
2205                 if (link_info->duplex ==
2206                     HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
2207                         duplex = "full duplex";
2208                 else
2209                         duplex = "half duplex";
2210                 if (link_info->flow_ctrl.tx & link_info->flow_ctrl.rx)
2211                         flow_ctrl = "FC - receive & transmit";
2212                 else if (link_info->flow_ctrl.tx)
2213                         flow_ctrl = "FC - transmit";
2214                 else if (link_info->flow_ctrl.rx)
2215                         flow_ctrl = "FC - receive";
2216                 else
2217                         flow_ctrl = "FC - none";
2218                 iflib_link_state_change(softc->ctx, LINK_STATE_UP,
2219                     IF_Gbps(100));
2220                 device_printf(softc->dev, "Link is UP %s, %s - %d Mbps \n", duplex,
2221                     flow_ctrl, (link_info->link_speed * 100));
2222         } else {
2223                 iflib_link_state_change(softc->ctx, LINK_STATE_DOWN,
2224                     bnxt_get_baudrate(&softc->link_info));
2225                 device_printf(softc->dev, "Link is Down\n");
2226         }
2227
2228         link_info->last_link_up = link_info->link_up;
2229         link_info->last_duplex = link_info->duplex;
2230         link_info->last_flow_ctrl.tx = link_info->flow_ctrl.tx;
2231         link_info->last_flow_ctrl.rx = link_info->flow_ctrl.rx;
2232         link_info->last_flow_ctrl.autoneg = link_info->flow_ctrl.autoneg;
2233         /* update media types */
2234         ifmedia_removeall(softc->media);
2235         bnxt_add_media_types(softc);
2236         ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
2237 }
2238
2239 static int
2240 bnxt_handle_rx_cp(void *arg)
2241 {
2242         struct bnxt_cp_ring *cpr = arg;
2243
2244         /* Disable further interrupts for this queue */
2245         BNXT_CP_DISABLE_DB(&cpr->ring);
2246         return FILTER_SCHEDULE_THREAD;
2247 }
2248
2249 static int
2250 bnxt_handle_def_cp(void *arg)
2251 {
2252         struct bnxt_softc *softc = arg;
2253
2254         BNXT_CP_DISABLE_DB(&softc->def_cp_ring.ring);
2255         GROUPTASK_ENQUEUE(&softc->def_cp_task);
2256         return FILTER_HANDLED;
2257 }
2258
2259 static void
2260 bnxt_clear_ids(struct bnxt_softc *softc)
2261 {
2262         int i;
2263
2264         softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
2265         softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2266         for (i = 0; i < softc->ntxqsets; i++) {
2267                 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2268                 softc->tx_cp_rings[i].ring.phys_id =
2269                     (uint16_t)HWRM_NA_SIGNATURE;
2270                 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2271         }
2272         for (i = 0; i < softc->nrxqsets; i++) {
2273                 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2274                 softc->rx_cp_rings[i].ring.phys_id =
2275                     (uint16_t)HWRM_NA_SIGNATURE;
2276                 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2277                 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2278                 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
2279         }
2280         softc->vnic_info.filter_id = -1;
2281         softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
2282         softc->vnic_info.rss_id = (uint16_t)HWRM_NA_SIGNATURE;
2283         memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
2284             softc->vnic_info.rss_grp_tbl.idi_size);
2285 }
2286
2287 static void
2288 bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr)
2289 {
2290         struct cmpl_base *cmp = (void *)cpr->ring.vaddr;
2291         int i;
2292
2293         for (i = 0; i < cpr->ring.ring_size; i++)
2294                 cmp[i].info3_v = !cpr->v_bit;
2295 }
2296
2297 static void
2298 bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl)
2299 {
2300         struct hwrm_async_event_cmpl *ae = (void *)cmpl;
2301         uint16_t async_id = le16toh(ae->event_id);
2302         struct ifmediareq ifmr;
2303
2304         switch (async_id) {
2305         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
2306         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
2307         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
2308                 bnxt_media_status(softc->ctx, &ifmr);
2309                 break;
2310         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE:
2311         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE:
2312         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
2313         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_NOT_ALLOWED:
2314         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_UNLOAD:
2315         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_LOAD:
2316         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
2317         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_LOAD:
2318         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_FLR:
2319         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_MAC_ADDR_CHANGE:
2320         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_VF_COMM_STATUS_CHANGE:
2321         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
2322         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR:
2323                 device_printf(softc->dev,
2324                     "Unhandled async completion type %u\n", async_id);
2325                 break;
2326         default:
2327                 device_printf(softc->dev,
2328                     "Unknown async completion type %u\n", async_id);
2329                 break;
2330         }
2331 }
2332
2333 static void
2334 bnxt_def_cp_task(void *context)
2335 {
2336         if_ctx_t ctx = context;
2337         struct bnxt_softc *softc = iflib_get_softc(ctx);
2338         struct bnxt_cp_ring *cpr = &softc->def_cp_ring;
2339
2340         /* Handle completions on the default completion ring */
2341         struct cmpl_base *cmpl;
2342         uint32_t cons = cpr->cons;
2343         bool v_bit = cpr->v_bit;
2344         bool last_v_bit;
2345         uint32_t last_cons;
2346         uint16_t type;
2347
2348         for (;;) {
2349                 last_cons = cons;
2350                 last_v_bit = v_bit;
2351                 NEXT_CP_CONS_V(&cpr->ring, cons, v_bit);
2352                 cmpl = &((struct cmpl_base *)cpr->ring.vaddr)[cons];
2353
2354                 if (!CMP_VALID(cmpl, v_bit))
2355                         break;
2356
2357                 type = le16toh(cmpl->type) & CMPL_BASE_TYPE_MASK;
2358                 switch (type) {
2359                 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
2360                         bnxt_handle_async_event(softc, cmpl);
2361                         break;
2362                 case CMPL_BASE_TYPE_TX_L2:
2363                 case CMPL_BASE_TYPE_RX_L2:
2364                 case CMPL_BASE_TYPE_RX_AGG:
2365                 case CMPL_BASE_TYPE_RX_TPA_START:
2366                 case CMPL_BASE_TYPE_RX_TPA_END:
2367                 case CMPL_BASE_TYPE_STAT_EJECT:
2368                 case CMPL_BASE_TYPE_HWRM_DONE:
2369                 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
2370                 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
2371                 case CMPL_BASE_TYPE_CQ_NOTIFICATION:
2372                 case CMPL_BASE_TYPE_SRQ_EVENT:
2373                 case CMPL_BASE_TYPE_DBQ_EVENT:
2374                 case CMPL_BASE_TYPE_QP_EVENT:
2375                 case CMPL_BASE_TYPE_FUNC_EVENT:
2376                         device_printf(softc->dev,
2377                             "Unhandled completion type %u\n", type);
2378                         break;
2379                 default:
2380                         device_printf(softc->dev,
2381                             "Unknown completion type %u\n", type);
2382                         break;
2383                 }
2384         }
2385
2386         cpr->cons = last_cons;
2387         cpr->v_bit = last_v_bit;
2388         BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
2389 }
2390
2391 static uint8_t
2392 get_phy_type(struct bnxt_softc *softc)
2393 {
2394         struct bnxt_link_info *link_info = &softc->link_info;
2395         uint8_t phy_type = link_info->phy_type;
2396         uint16_t supported;
2397
2398         if (phy_type != HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN)
2399                 return phy_type;
2400
2401         /* Deduce the phy type from the media type and supported speeds */
2402         supported = link_info->support_speeds;
2403
2404         if (link_info->media_type ==
2405             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_TP)
2406                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET;
2407         if (link_info->media_type ==
2408             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_DAC) {
2409                 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_2_5GB)
2410                         return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX;
2411                 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_20GB)
2412                         return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR;
2413                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR;
2414         }
2415         if (link_info->media_type ==
2416             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_FIBRE)
2417                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR;
2418
2419         return phy_type;
2420 }
2421
2422 bool
2423 bnxt_check_hwrm_version(struct bnxt_softc *softc)
2424 {
2425         char buf[16];
2426
2427         sprintf(buf, "%hhu.%hhu.%hhu", softc->ver_info->hwrm_min_major,
2428             softc->ver_info->hwrm_min_minor, softc->ver_info->hwrm_min_update);
2429         if (softc->ver_info->hwrm_min_major > softc->ver_info->hwrm_if_major) {
2430                 device_printf(softc->dev,
2431                     "WARNING: HWRM version %s is too old (older than %s)\n",
2432                     softc->ver_info->hwrm_if_ver, buf);
2433                 return false;
2434         }
2435         else if(softc->ver_info->hwrm_min_major ==
2436             softc->ver_info->hwrm_if_major) {
2437                 if (softc->ver_info->hwrm_min_minor >
2438                     softc->ver_info->hwrm_if_minor) {
2439                         device_printf(softc->dev,
2440                             "WARNING: HWRM version %s is too old (older than %s)\n",
2441                             softc->ver_info->hwrm_if_ver, buf);
2442                         return false;
2443                 }
2444                 else if (softc->ver_info->hwrm_min_minor ==
2445                     softc->ver_info->hwrm_if_minor) {
2446                         if (softc->ver_info->hwrm_min_update >
2447                             softc->ver_info->hwrm_if_update) {
2448                                 device_printf(softc->dev,
2449                                     "WARNING: HWRM version %s is too old (older than %s)\n",
2450                                     softc->ver_info->hwrm_if_ver, buf);
2451                                 return false;
2452                         }
2453                 }
2454         }
2455         return true;
2456 }
2457
2458 static uint64_t
2459 bnxt_get_baudrate(struct bnxt_link_info *link)
2460 {
2461         switch (link->link_speed) {
2462         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100MB:
2463                 return IF_Mbps(100);
2464         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB:
2465                 return IF_Gbps(1);
2466         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2GB:
2467                 return IF_Gbps(2);
2468         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2_5GB:
2469                 return IF_Mbps(2500);
2470         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB:
2471                 return IF_Gbps(10);
2472         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB:
2473                 return IF_Gbps(20);
2474         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB:
2475                 return IF_Gbps(25);
2476         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB:
2477                 return IF_Gbps(40);
2478         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB:
2479                 return IF_Gbps(50);
2480         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB:
2481                 return IF_Gbps(100);
2482         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10MB:
2483                 return IF_Mbps(10);
2484         }
2485         return IF_Gbps(100);
2486 }
2487
2488 static void
2489 bnxt_get_wol_settings(struct bnxt_softc *softc)
2490 {
2491         uint16_t wol_handle = 0;
2492
2493         if (!bnxt_wol_supported(softc))
2494                 return;
2495
2496         do {
2497                 wol_handle = bnxt_hwrm_get_wol_fltrs(softc, wol_handle);
2498         } while (wol_handle && wol_handle != BNXT_NO_MORE_WOL_FILTERS);
2499 }