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_dl.h>
  50 #include <net/if_media.h>
  51 #include <net/if_var.h>
  52 #include <net/ethernet.h>
  53 #include <net/iflib.h>
  54
  55 #include "opt_inet.h"
  56 #include "opt_inet6.h"
  57 #include "opt_rss.h"
  58
  59 #include "ifdi_if.h"
  60
  61 #include "bnxt.h"
  62 #include "bnxt_hwrm.h"
  63 #include "bnxt_ioctl.h"
  64 #include "bnxt_sysctl.h"
  65 #include "hsi_struct_def.h"
  66
  67 /*
  68  * PCI Device ID Table
  69  */
  70
  71 static pci_vendor_info_t bnxt_vendor_info_array[] =
  72 {
  73     PVID(BROADCOM_VENDOR_ID, BCM57301,
  74         "Broadcom BCM57301 NetXtreme-C 10Gb Ethernet Controller"),
  75     PVID(BROADCOM_VENDOR_ID, BCM57302,
  76         "Broadcom BCM57302 NetXtreme-C 10Gb/25Gb Ethernet Controller"),
  77     PVID(BROADCOM_VENDOR_ID, BCM57304,
  78         "Broadcom BCM57304 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet Controller"),
  79     PVID(BROADCOM_VENDOR_ID, BCM57311,
  80         "Broadcom BCM57311 NetXtreme-C 10Gb Ethernet"),
  81     PVID(BROADCOM_VENDOR_ID, BCM57312,
  82         "Broadcom BCM57312 NetXtreme-C 10Gb/25Gb Ethernet"),
  83     PVID(BROADCOM_VENDOR_ID, BCM57314,
  84         "Broadcom BCM57314 NetXtreme-C 10Gb/25Gb/40Gb/50Gb Ethernet"),
  85     PVID(BROADCOM_VENDOR_ID, BCM57402,
  86         "Broadcom BCM57402 NetXtreme-E 10Gb Ethernet Controller"),
  87     PVID(BROADCOM_VENDOR_ID, BCM57402_NPAR,
  88         "Broadcom BCM57402 NetXtreme-E Partition"),
  89     PVID(BROADCOM_VENDOR_ID, BCM57404,
  90         "Broadcom BCM57404 NetXtreme-E 10Gb/25Gb Ethernet Controller"),
  91     PVID(BROADCOM_VENDOR_ID, BCM57404_NPAR,
  92         "Broadcom BCM57404 NetXtreme-E Partition"),
  93     PVID(BROADCOM_VENDOR_ID, BCM57406,
  94         "Broadcom BCM57406 NetXtreme-E 10GBase-T Ethernet Controller"),
  95     PVID(BROADCOM_VENDOR_ID, BCM57406_NPAR,
  96         "Broadcom BCM57406 NetXtreme-E Partition"),
  97     PVID(BROADCOM_VENDOR_ID, BCM57407,
  98         "Broadcom BCM57407 NetXtreme-E 10GBase-T Ethernet Controller"),
  99     PVID(BROADCOM_VENDOR_ID, BCM57407_NPAR,
 100         "Broadcom BCM57407 NetXtreme-E Ethernet Partition"),
 101     PVID(BROADCOM_VENDOR_ID, BCM57407_SFP,
 102         "Broadcom BCM57407 NetXtreme-E 25Gb Ethernet Controller"),
 103     PVID(BROADCOM_VENDOR_ID, BCM57412,
 104         "Broadcom BCM57412 NetXtreme-E 10Gb Ethernet"),
 105     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR1,
 106         "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
 107     PVID(BROADCOM_VENDOR_ID, BCM57412_NPAR2,
 108         "Broadcom BCM57412 NetXtreme-E Ethernet Partition"),
 109     PVID(BROADCOM_VENDOR_ID, BCM57414,
 110         "Broadcom BCM57414 NetXtreme-E 10Gb/25Gb Ethernet"),
 111     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR1,
 112         "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
 113     PVID(BROADCOM_VENDOR_ID, BCM57414_NPAR2,
 114         "Broadcom BCM57414 NetXtreme-E Ethernet Partition"),
 115     PVID(BROADCOM_VENDOR_ID, BCM57416,
 116         "Broadcom BCM57416 NetXtreme-E 10GBase-T Ethernet"),
 117     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR1,
 118         "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
 119     PVID(BROADCOM_VENDOR_ID, BCM57416_NPAR2,
 120         "Broadcom BCM57416 NetXtreme-E Ethernet Partition"),
 121     PVID(BROADCOM_VENDOR_ID, BCM57416_SFP,
 122         "Broadcom BCM57416 NetXtreme-E 10Gb Ethernet"),
 123     PVID(BROADCOM_VENDOR_ID, BCM57417,
 124         "Broadcom BCM57417 NetXtreme-E 10GBase-T Ethernet"),
 125     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR1,
 126         "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
 127     PVID(BROADCOM_VENDOR_ID, BCM57417_NPAR2,
 128         "Broadcom BCM57417 NetXtreme-E Ethernet Partition"),
 129     PVID(BROADCOM_VENDOR_ID, BCM57417_SFP,
 130         "Broadcom BCM57417 NetXtreme-E 10Gb/25Gb Ethernet"),
 131     PVID(BROADCOM_VENDOR_ID, BCM57454,
 132         "Broadcom BCM57454 NetXtreme-E 10Gb/25Gb/40Gb/50Gb/100Gb Ethernet"),
 133     PVID(BROADCOM_VENDOR_ID, BCM58700,
 134         "Broadcom BCM58700 Nitro 1Gb/2.5Gb/10Gb Ethernet"),
 135     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF1,
 136         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 137     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF2,
 138         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 139     PVID(BROADCOM_VENDOR_ID, NETXTREME_C_VF3,
 140         "Broadcom NetXtreme-C Ethernet Virtual Function"),
 141     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF1,
 142         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 143     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF2,
 144         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 145     PVID(BROADCOM_VENDOR_ID, NETXTREME_E_VF3,
 146         "Broadcom NetXtreme-E Ethernet Virtual Function"),
 147     /* required last entry */
 148
 149     PVID_END
 150 };
 151
 152 /*
 153  * Function prototypes
 154  */
 155
 156 static void *bnxt_register(device_t dev);
 157
 158 /* Soft queue setup and teardown */
 159 static int bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 160     uint64_t *paddrs, int ntxqs, int ntxqsets);
 161 static int bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 162     uint64_t *paddrs, int nrxqs, int nrxqsets);
 163 static void bnxt_queues_free(if_ctx_t ctx);
 164
 165 /* Device setup and teardown */
 166 static int bnxt_attach_pre(if_ctx_t ctx);
 167 static int bnxt_attach_post(if_ctx_t ctx);
 168 static int bnxt_detach(if_ctx_t ctx);
 169
 170 /* Device configuration */
 171 static void bnxt_init(if_ctx_t ctx);
 172 static void bnxt_stop(if_ctx_t ctx);
 173 static void bnxt_multi_set(if_ctx_t ctx);
 174 static int bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu);
 175 static void bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr);
 176 static int bnxt_media_change(if_ctx_t ctx);
 177 static int bnxt_promisc_set(if_ctx_t ctx, int flags);
 178 static uint64_t bnxt_get_counter(if_ctx_t, ift_counter);
 179 static void bnxt_update_admin_status(if_ctx_t ctx);
 180 static void bnxt_if_timer(if_ctx_t ctx, uint16_t qid);
 181
 182 /* Interrupt enable / disable */
 183 static void bnxt_intr_enable(if_ctx_t ctx);
 184 static int bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
 185 static int bnxt_tx_queue_intr_enable(if_ctx_t ctx, uint16_t qid);
 186 static void bnxt_disable_intr(if_ctx_t ctx);
 187 static int bnxt_msix_intr_assign(if_ctx_t ctx, int msix);
 188
 189 /* vlan support */
 190 static void bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag);
 191 static void bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag);
 192
 193 /* ioctl */
 194 static int bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data);
 195
 196 static int bnxt_shutdown(if_ctx_t ctx);
 197 static int bnxt_suspend(if_ctx_t ctx);
 198 static int bnxt_resume(if_ctx_t ctx);
 199
 200 /* Internal support functions */
 201 static int bnxt_probe_phy(struct bnxt_softc *softc);
 202 static void bnxt_add_media_types(struct bnxt_softc *softc);
 203 static int bnxt_pci_mapping(struct bnxt_softc *softc);
 204 static void bnxt_pci_mapping_free(struct bnxt_softc *softc);
 205 static int bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state);
 206 static int bnxt_handle_def_cp(void *arg);
 207 static int bnxt_handle_rx_cp(void *arg);
 208 static void bnxt_clear_ids(struct bnxt_softc *softc);
 209 static void inline bnxt_do_enable_intr(struct bnxt_cp_ring *cpr);
 210 static void inline bnxt_do_disable_intr(struct bnxt_cp_ring *cpr);
 211 static void bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr);
 212 static void bnxt_def_cp_task(void *context);
 213 static void bnxt_handle_async_event(struct bnxt_softc *softc,
 214     struct cmpl_base *cmpl);
 215 static uint8_t get_phy_type(struct bnxt_softc *softc);
 216 static uint64_t bnxt_get_baudrate(struct bnxt_link_info *link);
 217 static void bnxt_get_wol_settings(struct bnxt_softc *softc);
 218 static int bnxt_wol_config(if_ctx_t ctx);
 219
 220 /*
 221  * Device Interface Declaration
 222  */
 223
 224 static device_method_t bnxt_methods[] = {
 225         /* Device interface */
 226         DEVMETHOD(device_register, bnxt_register),
 227         DEVMETHOD(device_probe, iflib_device_probe),
 228         DEVMETHOD(device_attach, iflib_device_attach),
 229         DEVMETHOD(device_detach, iflib_device_detach),
 230         DEVMETHOD(device_shutdown, iflib_device_shutdown),
 231         DEVMETHOD(device_suspend, iflib_device_suspend),
 232         DEVMETHOD(device_resume, iflib_device_resume),
 233         DEVMETHOD_END
 234 };
 235
 236 static driver_t bnxt_driver = {
 237         "bnxt", bnxt_methods, sizeof(struct bnxt_softc),
 238 };
 239
 240 devclass_t bnxt_devclass;
 241 DRIVER_MODULE(bnxt, pci, bnxt_driver, bnxt_devclass, 0, 0);
 242
 243 MODULE_DEPEND(bnxt, pci, 1, 1, 1);
 244 MODULE_DEPEND(bnxt, ether, 1, 1, 1);
 245 MODULE_DEPEND(bnxt, iflib, 1, 1, 1);
 246
 247 IFLIB_PNP_INFO(pci, bnxt, bnxt_vendor_info_array);
 248
 249 static device_method_t bnxt_iflib_methods[] = {
 250         DEVMETHOD(ifdi_tx_queues_alloc, bnxt_tx_queues_alloc),
 251         DEVMETHOD(ifdi_rx_queues_alloc, bnxt_rx_queues_alloc),
 252         DEVMETHOD(ifdi_queues_free, bnxt_queues_free),
 253
 254         DEVMETHOD(ifdi_attach_pre, bnxt_attach_pre),
 255         DEVMETHOD(ifdi_attach_post, bnxt_attach_post),
 256         DEVMETHOD(ifdi_detach, bnxt_detach),
 257
 258         DEVMETHOD(ifdi_init, bnxt_init),
 259         DEVMETHOD(ifdi_stop, bnxt_stop),
 260         DEVMETHOD(ifdi_multi_set, bnxt_multi_set),
 261         DEVMETHOD(ifdi_mtu_set, bnxt_mtu_set),
 262         DEVMETHOD(ifdi_media_status, bnxt_media_status),
 263         DEVMETHOD(ifdi_media_change, bnxt_media_change),
 264         DEVMETHOD(ifdi_promisc_set, bnxt_promisc_set),
 265         DEVMETHOD(ifdi_get_counter, bnxt_get_counter),
 266         DEVMETHOD(ifdi_update_admin_status, bnxt_update_admin_status),
 267         DEVMETHOD(ifdi_timer, bnxt_if_timer),
 268
 269         DEVMETHOD(ifdi_intr_enable, bnxt_intr_enable),
 270         DEVMETHOD(ifdi_tx_queue_intr_enable, bnxt_tx_queue_intr_enable),
 271         DEVMETHOD(ifdi_rx_queue_intr_enable, bnxt_rx_queue_intr_enable),
 272         DEVMETHOD(ifdi_intr_disable, bnxt_disable_intr),
 273         DEVMETHOD(ifdi_msix_intr_assign, bnxt_msix_intr_assign),
 274
 275         DEVMETHOD(ifdi_vlan_register, bnxt_vlan_register),
 276         DEVMETHOD(ifdi_vlan_unregister, bnxt_vlan_unregister),
 277
 278         DEVMETHOD(ifdi_priv_ioctl, bnxt_priv_ioctl),
 279
 280         DEVMETHOD(ifdi_suspend, bnxt_suspend),
 281         DEVMETHOD(ifdi_shutdown, bnxt_shutdown),
 282         DEVMETHOD(ifdi_resume, bnxt_resume),
 283
 284         DEVMETHOD_END
 285 };
 286
 287 static driver_t bnxt_iflib_driver = {
 288         "bnxt", bnxt_iflib_methods, sizeof(struct bnxt_softc)
 289 };
 290
 291 /*
 292  * iflib shared context
 293  */
 294
 295 #define BNXT_DRIVER_VERSION     "1.0.0.2"
 296 char bnxt_driver_version[] = BNXT_DRIVER_VERSION;
 297 extern struct if_txrx bnxt_txrx;
 298 static struct if_shared_ctx bnxt_sctx_init = {
 299         .isc_magic = IFLIB_MAGIC,
 300         .isc_driver = &bnxt_iflib_driver,
 301         .isc_nfl = 2,                           // Number of Free Lists
 302         .isc_flags = IFLIB_HAS_RXCQ | IFLIB_HAS_TXCQ | IFLIB_NEED_ETHER_PAD,
 303         .isc_q_align = PAGE_SIZE,
 304         .isc_tx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 305         .isc_tx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 306         .isc_tso_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 307         .isc_tso_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 308         .isc_rx_maxsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 309         .isc_rx_maxsegsize = BNXT_TSO_SIZE + sizeof(struct ether_vlan_header),
 310
 311         // Only use a single segment to avoid page size constraints
 312         .isc_rx_nsegments = 1,
 313         .isc_ntxqs = 2,
 314         .isc_nrxqs = 3,
 315         .isc_nrxd_min = {16, 16, 16},
 316         .isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8,
 317             PAGE_SIZE / sizeof(struct rx_prod_pkt_bd),
 318             PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)},
 319         .isc_nrxd_max = {BNXT_MAX_RXD, BNXT_MAX_RXD, BNXT_MAX_RXD},
 320         .isc_ntxd_min = {16, 16, 16},
 321         .isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2,
 322             PAGE_SIZE / sizeof(struct tx_bd_short)},
 323         .isc_ntxd_max = {BNXT_MAX_TXD, BNXT_MAX_TXD, BNXT_MAX_TXD},
 324
 325         .isc_admin_intrcnt = 1,
 326         .isc_vendor_info = bnxt_vendor_info_array,
 327         .isc_driver_version = bnxt_driver_version,
 328 };
 329
 330 if_shared_ctx_t bnxt_sctx = &bnxt_sctx_init;
 331
 332 /*
 333  * Device Methods
 334  */
 335
 336 static void *
 337 bnxt_register(device_t dev)
 338 {
 339         return bnxt_sctx;
 340 }
 341
 342 /*
 343  * Device Dependent Configuration Functions
 344 */
 345
 346 /* Soft queue setup and teardown */
 347 static int
 348 bnxt_tx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 349     uint64_t *paddrs, int ntxqs, int ntxqsets)
 350 {
 351         struct bnxt_softc *softc;
 352         int i;
 353         int rc;
 354
 355         softc = iflib_get_softc(ctx);
 356
 357         softc->tx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * ntxqsets,
 358             M_DEVBUF, M_NOWAIT | M_ZERO);
 359         if (!softc->tx_cp_rings) {
 360                 device_printf(iflib_get_dev(ctx),
 361                     "unable to allocate TX completion rings\n");
 362                 rc = ENOMEM;
 363                 goto cp_alloc_fail;
 364         }
 365         softc->tx_rings = malloc(sizeof(struct bnxt_ring) * ntxqsets,
 366             M_DEVBUF, M_NOWAIT | M_ZERO);
 367         if (!softc->tx_rings) {
 368                 device_printf(iflib_get_dev(ctx),
 369                     "unable to allocate TX rings\n");
 370                 rc = ENOMEM;
 371                 goto ring_alloc_fail;
 372         }
 373         rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * ntxqsets,
 374             &softc->tx_stats, 0);
 375         if (rc)
 376                 goto dma_alloc_fail;
 377         bus_dmamap_sync(softc->tx_stats.idi_tag, softc->tx_stats.idi_map,
 378             BUS_DMASYNC_PREREAD);
 379
 380         for (i = 0; i < ntxqsets; i++) {
 381                 /* Set up the completion ring */
 382                 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
 383                 softc->tx_cp_rings[i].ring.phys_id =
 384                     (uint16_t)HWRM_NA_SIGNATURE;
 385                 softc->tx_cp_rings[i].ring.softc = softc;
 386                 softc->tx_cp_rings[i].ring.id =
 387                     (softc->scctx->isc_nrxqsets * 2) + 1 + i;
 388                 softc->tx_cp_rings[i].ring.doorbell =
 389                     softc->tx_cp_rings[i].ring.id * 0x80;
 390                 softc->tx_cp_rings[i].ring.ring_size =
 391                     softc->scctx->isc_ntxd[0];
 392                 softc->tx_cp_rings[i].ring.vaddr = vaddrs[i * ntxqs];
 393                 softc->tx_cp_rings[i].ring.paddr = paddrs[i * ntxqs];
 394
 395                 /* Set up the TX ring */
 396                 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 397                 softc->tx_rings[i].softc = softc;
 398                 softc->tx_rings[i].id =
 399                     (softc->scctx->isc_nrxqsets * 2) + 1 + i;
 400                 softc->tx_rings[i].doorbell = softc->tx_rings[i].id * 0x80;
 401                 softc->tx_rings[i].ring_size = softc->scctx->isc_ntxd[1];
 402                 softc->tx_rings[i].vaddr = vaddrs[i * ntxqs + 1];
 403                 softc->tx_rings[i].paddr = paddrs[i * ntxqs + 1];
 404
 405                 bnxt_create_tx_sysctls(softc, i);
 406         }
 407
 408         softc->ntxqsets = ntxqsets;
 409         return rc;
 410
 411 dma_alloc_fail:
 412         free(softc->tx_rings, M_DEVBUF);
 413 ring_alloc_fail:
 414         free(softc->tx_cp_rings, M_DEVBUF);
 415 cp_alloc_fail:
 416         return rc;
 417 }
 418
 419 static void
 420 bnxt_queues_free(if_ctx_t ctx)
 421 {
 422         struct bnxt_softc *softc = iflib_get_softc(ctx);
 423
 424         // Free TX queues
 425         iflib_dma_free(&softc->tx_stats);
 426         free(softc->tx_rings, M_DEVBUF);
 427         softc->tx_rings = NULL;
 428         free(softc->tx_cp_rings, M_DEVBUF);
 429         softc->tx_cp_rings = NULL;
 430         softc->ntxqsets = 0;
 431
 432         // Free RX queues
 433         iflib_dma_free(&softc->rx_stats);
 434         iflib_dma_free(&softc->hw_tx_port_stats);
 435         iflib_dma_free(&softc->hw_rx_port_stats);
 436         free(softc->grp_info, M_DEVBUF);
 437         free(softc->ag_rings, M_DEVBUF);
 438         free(softc->rx_rings, M_DEVBUF);
 439         free(softc->rx_cp_rings, M_DEVBUF);
 440 }
 441
 442 static int
 443 bnxt_rx_queues_alloc(if_ctx_t ctx, caddr_t *vaddrs,
 444     uint64_t *paddrs, int nrxqs, int nrxqsets)
 445 {
 446         struct bnxt_softc *softc;
 447         int i;
 448         int rc;
 449
 450         softc = iflib_get_softc(ctx);
 451
 452         softc->rx_cp_rings = malloc(sizeof(struct bnxt_cp_ring) * nrxqsets,
 453             M_DEVBUF, M_NOWAIT | M_ZERO);
 454         if (!softc->rx_cp_rings) {
 455                 device_printf(iflib_get_dev(ctx),
 456                     "unable to allocate RX completion rings\n");
 457                 rc = ENOMEM;
 458                 goto cp_alloc_fail;
 459         }
 460         softc->rx_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
 461             M_DEVBUF, M_NOWAIT | M_ZERO);
 462         if (!softc->rx_rings) {
 463                 device_printf(iflib_get_dev(ctx),
 464                     "unable to allocate RX rings\n");
 465                 rc = ENOMEM;
 466                 goto ring_alloc_fail;
 467         }
 468         softc->ag_rings = malloc(sizeof(struct bnxt_ring) * nrxqsets,
 469             M_DEVBUF, M_NOWAIT | M_ZERO);
 470         if (!softc->ag_rings) {
 471                 device_printf(iflib_get_dev(ctx),
 472                     "unable to allocate aggregation rings\n");
 473                 rc = ENOMEM;
 474                 goto ag_alloc_fail;
 475         }
 476         softc->grp_info = malloc(sizeof(struct bnxt_grp_info) * nrxqsets,
 477             M_DEVBUF, M_NOWAIT | M_ZERO);
 478         if (!softc->grp_info) {
 479                 device_printf(iflib_get_dev(ctx),
 480                     "unable to allocate ring groups\n");
 481                 rc = ENOMEM;
 482                 goto grp_alloc_fail;
 483         }
 484
 485         rc = iflib_dma_alloc(ctx, sizeof(struct ctx_hw_stats) * nrxqsets,
 486             &softc->rx_stats, 0);
 487         if (rc)
 488                 goto hw_stats_alloc_fail;
 489         bus_dmamap_sync(softc->rx_stats.idi_tag, softc->rx_stats.idi_map,
 490             BUS_DMASYNC_PREREAD);
 491
 492 /*
 493  * Additional 512 bytes for future expansion.
 494  * To prevent corruption when loaded with newer firmwares with added counters.
 495  * This can be deleted when there will be no further additions of counters.
 496  */
 497 #define BNXT_PORT_STAT_PADDING  512
 498
 499         rc = iflib_dma_alloc(ctx, sizeof(struct rx_port_stats) + BNXT_PORT_STAT_PADDING,
 500             &softc->hw_rx_port_stats, 0);
 501         if (rc)
 502                 goto hw_port_rx_stats_alloc_fail;
 503
 504         bus_dmamap_sync(softc->hw_rx_port_stats.idi_tag,
 505             softc->hw_rx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
 506
 507         rc = iflib_dma_alloc(ctx, sizeof(struct tx_port_stats) + BNXT_PORT_STAT_PADDING,
 508             &softc->hw_tx_port_stats, 0);
 509
 510         if (rc)
 511                 goto hw_port_tx_stats_alloc_fail;
 512
 513         bus_dmamap_sync(softc->hw_tx_port_stats.idi_tag,
 514             softc->hw_tx_port_stats.idi_map, BUS_DMASYNC_PREREAD);
 515
 516         softc->rx_port_stats = (void *) softc->hw_rx_port_stats.idi_vaddr;
 517         softc->tx_port_stats = (void *) softc->hw_tx_port_stats.idi_vaddr;
 518
 519         for (i = 0; i < nrxqsets; i++) {
 520                 /* Allocation the completion ring */
 521                 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
 522                 softc->rx_cp_rings[i].ring.phys_id =
 523                     (uint16_t)HWRM_NA_SIGNATURE;
 524                 softc->rx_cp_rings[i].ring.softc = softc;
 525                 softc->rx_cp_rings[i].ring.id = i + 1;
 526                 softc->rx_cp_rings[i].ring.doorbell =
 527                     softc->rx_cp_rings[i].ring.id * 0x80;
 528                 /*
 529                  * If this ring overflows, RX stops working.
 530                  */
 531                 softc->rx_cp_rings[i].ring.ring_size =
 532                     softc->scctx->isc_nrxd[0];
 533                 softc->rx_cp_rings[i].ring.vaddr = vaddrs[i * nrxqs];
 534                 softc->rx_cp_rings[i].ring.paddr = paddrs[i * nrxqs];
 535
 536                 /* Allocate the RX ring */
 537                 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 538                 softc->rx_rings[i].softc = softc;
 539                 softc->rx_rings[i].id = i + 1;
 540                 softc->rx_rings[i].doorbell = softc->rx_rings[i].id * 0x80;
 541                 softc->rx_rings[i].ring_size = softc->scctx->isc_nrxd[1];
 542                 softc->rx_rings[i].vaddr = vaddrs[i * nrxqs + 1];
 543                 softc->rx_rings[i].paddr = paddrs[i * nrxqs + 1];
 544
 545                 /* Allocate the TPA start buffer */
 546                 softc->rx_rings[i].tpa_start = malloc(sizeof(struct bnxt_full_tpa_start) *
 547                         (RX_TPA_START_CMPL_AGG_ID_MASK >> RX_TPA_START_CMPL_AGG_ID_SFT),
 548                         M_DEVBUF, M_NOWAIT | M_ZERO);
 549                 if (softc->rx_rings[i].tpa_start == NULL) {
 550                         rc = -ENOMEM;
 551                         device_printf(softc->dev,
 552                                         "Unable to allocate space for TPA\n");
 553                         goto tpa_alloc_fail;
 554                 }
 555
 556                 /* Allocate the AG ring */
 557                 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
 558                 softc->ag_rings[i].softc = softc;
 559                 softc->ag_rings[i].id = nrxqsets + i + 1;
 560                 softc->ag_rings[i].doorbell = softc->ag_rings[i].id * 0x80;
 561                 softc->ag_rings[i].ring_size = softc->scctx->isc_nrxd[2];
 562                 softc->ag_rings[i].vaddr = vaddrs[i * nrxqs + 2];
 563                 softc->ag_rings[i].paddr = paddrs[i * nrxqs + 2];
 564
 565                 /* Allocate the ring group */
 566                 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
 567                 softc->grp_info[i].stats_ctx =
 568                     softc->rx_cp_rings[i].stats_ctx_id;
 569                 softc->grp_info[i].rx_ring_id = softc->rx_rings[i].phys_id;
 570                 softc->grp_info[i].ag_ring_id = softc->ag_rings[i].phys_id;
 571                 softc->grp_info[i].cp_ring_id =
 572                     softc->rx_cp_rings[i].ring.phys_id;
 573
 574                 bnxt_create_rx_sysctls(softc, i);
 575         }
 576
 577         /*
 578          * When SR-IOV is enabled, avoid each VF sending PORT_QSTATS
 579          * HWRM every sec with which firmware timeouts can happen
 580          */
 581         if (BNXT_PF(softc))
 582                 bnxt_create_port_stats_sysctls(softc);
 583
 584         /* And finally, the VNIC */
 585         softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
 586         softc->vnic_info.flow_id = (uint16_t)HWRM_NA_SIGNATURE;
 587         softc->vnic_info.filter_id = -1;
 588         softc->vnic_info.def_ring_grp = (uint16_t)HWRM_NA_SIGNATURE;
 589         softc->vnic_info.cos_rule = (uint16_t)HWRM_NA_SIGNATURE;
 590         softc->vnic_info.lb_rule = (uint16_t)HWRM_NA_SIGNATURE;
 591         softc->vnic_info.rx_mask = HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_BCAST;
 592         softc->vnic_info.mc_list_count = 0;
 593         softc->vnic_info.flags = BNXT_VNIC_FLAG_DEFAULT;
 594         rc = iflib_dma_alloc(ctx, BNXT_MAX_MC_ADDRS * ETHER_ADDR_LEN,
 595             &softc->vnic_info.mc_list, 0);
 596         if (rc)
 597                 goto mc_list_alloc_fail;
 598
 599         /* The VNIC RSS Hash Key */
 600         rc = iflib_dma_alloc(ctx, HW_HASH_KEY_SIZE,
 601             &softc->vnic_info.rss_hash_key_tbl, 0);
 602         if (rc)
 603                 goto rss_hash_alloc_fail;
 604         bus_dmamap_sync(softc->vnic_info.rss_hash_key_tbl.idi_tag,
 605             softc->vnic_info.rss_hash_key_tbl.idi_map,
 606             BUS_DMASYNC_PREWRITE);
 607         memcpy(softc->vnic_info.rss_hash_key_tbl.idi_vaddr,
 608             softc->vnic_info.rss_hash_key, HW_HASH_KEY_SIZE);
 609
 610         /* Allocate the RSS tables */
 611         rc = iflib_dma_alloc(ctx, HW_HASH_INDEX_SIZE * sizeof(uint16_t),
 612             &softc->vnic_info.rss_grp_tbl, 0);
 613         if (rc)
 614                 goto rss_grp_alloc_fail;
 615         bus_dmamap_sync(softc->vnic_info.rss_grp_tbl.idi_tag,
 616             softc->vnic_info.rss_grp_tbl.idi_map,
 617             BUS_DMASYNC_PREWRITE);
 618         memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
 619             softc->vnic_info.rss_grp_tbl.idi_size);
 620
 621         softc->nrxqsets = nrxqsets;
 622         return rc;
 623
 624 rss_grp_alloc_fail:
 625         iflib_dma_free(&softc->vnic_info.rss_hash_key_tbl);
 626 rss_hash_alloc_fail:
 627         iflib_dma_free(&softc->vnic_info.mc_list);
 628 tpa_alloc_fail:
 629 mc_list_alloc_fail:
 630         for (i = i - 1; i >= 0; i--)
 631                 free(softc->rx_rings[i].tpa_start, M_DEVBUF);
 632         iflib_dma_free(&softc->hw_tx_port_stats);
 633 hw_port_tx_stats_alloc_fail:
 634         iflib_dma_free(&softc->hw_rx_port_stats);
 635 hw_port_rx_stats_alloc_fail:
 636         iflib_dma_free(&softc->rx_stats);
 637 hw_stats_alloc_fail:
 638         free(softc->grp_info, M_DEVBUF);
 639 grp_alloc_fail:
 640         free(softc->ag_rings, M_DEVBUF);
 641 ag_alloc_fail:
 642         free(softc->rx_rings, M_DEVBUF);
 643 ring_alloc_fail:
 644         free(softc->rx_cp_rings, M_DEVBUF);
 645 cp_alloc_fail:
 646         return rc;
 647 }
 648
 649 static void bnxt_free_hwrm_short_cmd_req(struct bnxt_softc *softc)
 650 {
 651         if (softc->hwrm_short_cmd_req_addr.idi_vaddr)
 652                 iflib_dma_free(&softc->hwrm_short_cmd_req_addr);
 653         softc->hwrm_short_cmd_req_addr.idi_vaddr = NULL;
 654 }
 655
 656 static int bnxt_alloc_hwrm_short_cmd_req(struct bnxt_softc *softc)
 657 {
 658         int rc;
 659
 660         rc = iflib_dma_alloc(softc->ctx, softc->hwrm_max_req_len,
 661             &softc->hwrm_short_cmd_req_addr, BUS_DMA_NOWAIT);
 662
 663         return rc;
 664 }
 665
 666 /* Device setup and teardown */
 667 static int
 668 bnxt_attach_pre(if_ctx_t ctx)
 669 {
 670         struct bnxt_softc *softc = iflib_get_softc(ctx);
 671         if_softc_ctx_t scctx;
 672         int rc = 0;
 673
 674         softc->ctx = ctx;
 675         softc->dev = iflib_get_dev(ctx);
 676         softc->media = iflib_get_media(ctx);
 677         softc->scctx = iflib_get_softc_ctx(ctx);
 678         softc->sctx = iflib_get_sctx(ctx);
 679         scctx = softc->scctx;
 680
 681         /* TODO: Better way of detecting NPAR/VF is needed */
 682         switch (pci_get_device(softc->dev)) {
 683         case BCM57402_NPAR:
 684         case BCM57404_NPAR:
 685         case BCM57406_NPAR:
 686         case BCM57407_NPAR:
 687         case BCM57412_NPAR1:
 688         case BCM57412_NPAR2:
 689         case BCM57414_NPAR1:
 690         case BCM57414_NPAR2:
 691         case BCM57416_NPAR1:
 692         case BCM57416_NPAR2:
 693                 softc->flags |= BNXT_FLAG_NPAR;
 694                 break;
 695         case NETXTREME_C_VF1:
 696         case NETXTREME_C_VF2:
 697         case NETXTREME_C_VF3:
 698         case NETXTREME_E_VF1:
 699         case NETXTREME_E_VF2:
 700         case NETXTREME_E_VF3:
 701                 softc->flags |= BNXT_FLAG_VF;
 702                 break;
 703         }
 704
 705         pci_enable_busmaster(softc->dev);
 706
 707         if (bnxt_pci_mapping(softc))
 708                 return (ENXIO);
 709
 710         /* HWRM setup/init */
 711         BNXT_HWRM_LOCK_INIT(softc, device_get_nameunit(softc->dev));
 712         rc = bnxt_alloc_hwrm_dma_mem(softc);
 713         if (rc)
 714                 goto dma_fail;
 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         /* Allocate the VNIC RSS context */
1099         rc = bnxt_hwrm_vnic_ctx_alloc(softc, &softc->vnic_info.rss_id);
1100         if (rc)
1101                 goto fail;
1102
1103         /* Allocate the vnic */
1104         softc->vnic_info.def_ring_grp = softc->grp_info[0].grp_id;
1105         softc->vnic_info.mru = softc->scctx->isc_max_frame_size;
1106         rc = bnxt_hwrm_vnic_alloc(softc, &softc->vnic_info);
1107         if (rc)
1108                 goto fail;
1109         rc = bnxt_hwrm_vnic_cfg(softc, &softc->vnic_info);
1110         if (rc)
1111                 goto fail;
1112         rc = bnxt_hwrm_set_filter(softc, &softc->vnic_info);
1113         if (rc)
1114                 goto fail;
1115
1116         /* Enable RSS on the VNICs */
1117         for (i = 0, j = 0; i < HW_HASH_INDEX_SIZE; i++) {
1118                 ((uint16_t *)
1119                     softc->vnic_info.rss_grp_tbl.idi_vaddr)[i] =
1120                     htole16(softc->grp_info[j].grp_id);
1121                 if (++j == softc->nrxqsets)
1122                         j = 0;
1123         }
1124
1125         rc = bnxt_hwrm_rss_cfg(softc, &softc->vnic_info,
1126             softc->vnic_info.rss_hash_type);
1127         if (rc)
1128                 goto fail;
1129
1130         rc = bnxt_hwrm_vnic_tpa_cfg(softc);
1131         if (rc)
1132                 goto fail;
1133
1134         for (i = 0; i < softc->ntxqsets; i++) {
1135                 /* Allocate the statistics context */
1136                 rc = bnxt_hwrm_stat_ctx_alloc(softc, &softc->tx_cp_rings[i],
1137                     softc->tx_stats.idi_paddr +
1138                     (sizeof(struct ctx_hw_stats) * i));
1139                 if (rc)
1140                         goto fail;
1141
1142                 /* Allocate the completion ring */
1143                 softc->tx_cp_rings[i].cons = UINT32_MAX;
1144                 softc->tx_cp_rings[i].v_bit = 1;
1145                 bnxt_mark_cpr_invalid(&softc->tx_cp_rings[i]);
1146                 rc = bnxt_hwrm_ring_alloc(softc,
1147                     HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL,
1148                     &softc->tx_cp_rings[i].ring, (uint16_t)HWRM_NA_SIGNATURE,
1149                     HWRM_NA_SIGNATURE, false);
1150                 if (rc)
1151                         goto fail;
1152
1153                 /* Allocate the TX ring */
1154                 rc = bnxt_hwrm_ring_alloc(softc,
1155                     HWRM_RING_ALLOC_INPUT_RING_TYPE_TX,
1156                     &softc->tx_rings[i], softc->tx_cp_rings[i].ring.phys_id,
1157                     softc->tx_cp_rings[i].stats_ctx_id, false);
1158                 if (rc)
1159                         goto fail;
1160                 BNXT_TX_DB(&softc->tx_rings[i], 0);
1161                 /* TODO: Cumulus+ doesn't need the double doorbell */
1162                 BNXT_TX_DB(&softc->tx_rings[i], 0);
1163         }
1164
1165         bnxt_do_enable_intr(&softc->def_cp_ring);
1166         bnxt_media_status(softc->ctx, &ifmr);
1167         bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1168         return;
1169
1170 fail:
1171         bnxt_hwrm_func_reset(softc);
1172         bnxt_clear_ids(softc);
1173         return;
1174 }
1175
1176 static void
1177 bnxt_stop(if_ctx_t ctx)
1178 {
1179         struct bnxt_softc *softc = iflib_get_softc(ctx);
1180
1181         bnxt_do_disable_intr(&softc->def_cp_ring);
1182         bnxt_hwrm_func_reset(softc);
1183         bnxt_clear_ids(softc);
1184         return;
1185 }
1186
1187 static u_int
1188 bnxt_copy_maddr(void *arg, struct sockaddr_dl *sdl, u_int cnt)
1189 {
1190         uint8_t *mta = arg;
1191
1192         if (cnt == BNXT_MAX_MC_ADDRS)
1193                 return (1);
1194
1195         bcopy(LLADDR(sdl), &mta[cnt * ETHER_ADDR_LEN], ETHER_ADDR_LEN);
1196
1197         return (1);
1198 }
1199
1200 static void
1201 bnxt_multi_set(if_ctx_t ctx)
1202 {
1203         struct bnxt_softc *softc = iflib_get_softc(ctx);
1204         if_t ifp = iflib_get_ifp(ctx);
1205         uint8_t *mta;
1206         int mcnt;
1207
1208         mta = softc->vnic_info.mc_list.idi_vaddr;
1209         bzero(mta, softc->vnic_info.mc_list.idi_size);
1210         mcnt = if_foreach_llmaddr(ifp, bnxt_copy_maddr, mta);
1211
1212         if (mcnt > BNXT_MAX_MC_ADDRS) {
1213                 softc->vnic_info.rx_mask |=
1214                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1215                 bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1216         } else {
1217                 softc->vnic_info.rx_mask &=
1218                     ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1219                 bus_dmamap_sync(softc->vnic_info.mc_list.idi_tag,
1220                     softc->vnic_info.mc_list.idi_map, BUS_DMASYNC_PREWRITE);
1221                 softc->vnic_info.mc_list_count = mcnt;
1222                 softc->vnic_info.rx_mask |=
1223                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_MCAST;
1224                 if (bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info))
1225                         device_printf(softc->dev,
1226                             "set_multi: rx_mask set failed\n");
1227         }
1228 }
1229
1230 static int
1231 bnxt_mtu_set(if_ctx_t ctx, uint32_t mtu)
1232 {
1233         struct bnxt_softc *softc = iflib_get_softc(ctx);
1234
1235         if (mtu > BNXT_MAX_MTU)
1236                 return EINVAL;
1237
1238         softc->scctx->isc_max_frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
1239         return 0;
1240 }
1241
1242 static void
1243 bnxt_media_status(if_ctx_t ctx, struct ifmediareq * ifmr)
1244 {
1245         struct bnxt_softc *softc = iflib_get_softc(ctx);
1246         struct bnxt_link_info *link_info = &softc->link_info;
1247         struct ifmedia_entry *next;
1248         uint64_t target_baudrate = bnxt_get_baudrate(link_info);
1249         int active_media = IFM_UNKNOWN;
1250
1251         bnxt_update_link(softc, true);
1252
1253         ifmr->ifm_status = IFM_AVALID;
1254         ifmr->ifm_active = IFM_ETHER;
1255
1256         if (link_info->link_up)
1257                 ifmr->ifm_status |= IFM_ACTIVE;
1258         else
1259                 ifmr->ifm_status &= ~IFM_ACTIVE;
1260
1261         if (link_info->duplex == HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
1262                 ifmr->ifm_active |= IFM_FDX;
1263         else
1264                 ifmr->ifm_active |= IFM_HDX;
1265
1266         /*
1267          * Go through the list of supported media which got prepared
1268          * as part of bnxt_add_media_types() using api ifmedia_add().
1269          */
1270         LIST_FOREACH(next, &(iflib_get_media(ctx)->ifm_list), ifm_list) {
1271                 if (ifmedia_baudrate(next->ifm_media) == target_baudrate) {
1272                         active_media = next->ifm_media;
1273                         break;
1274                 }
1275         }
1276         ifmr->ifm_active |= active_media;
1277
1278         if (link_info->flow_ctrl.rx)
1279                 ifmr->ifm_active |= IFM_ETH_RXPAUSE;
1280         if (link_info->flow_ctrl.tx)
1281                 ifmr->ifm_active |= IFM_ETH_TXPAUSE;
1282
1283         bnxt_report_link(softc);
1284         return;
1285 }
1286
1287 static int
1288 bnxt_media_change(if_ctx_t ctx)
1289 {
1290         struct bnxt_softc *softc = iflib_get_softc(ctx);
1291         struct ifmedia *ifm = iflib_get_media(ctx);
1292         struct ifmediareq ifmr;
1293         int rc;
1294
1295         if (IFM_TYPE(ifm->ifm_media) != IFM_ETHER)
1296                 return EINVAL;
1297
1298         switch (IFM_SUBTYPE(ifm->ifm_media)) {
1299         case IFM_100_T:
1300                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1301                 softc->link_info.req_link_speed =
1302                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100MB;
1303                 break;
1304         case IFM_1000_KX:
1305         case IFM_1000_T:
1306         case IFM_1000_SGMII:
1307                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1308                 softc->link_info.req_link_speed =
1309                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_1GB;
1310                 break;
1311         case IFM_2500_KX:
1312         case IFM_2500_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_2_5GB;
1316                 break;
1317         case IFM_10G_CR1:
1318         case IFM_10G_KR:
1319         case IFM_10G_LR:
1320         case IFM_10G_SR:
1321         case IFM_10G_T:
1322                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1323                 softc->link_info.req_link_speed =
1324                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_10GB;
1325                 break;
1326         case IFM_20G_KR2:
1327                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1328                 softc->link_info.req_link_speed =
1329                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_20GB;
1330                 break;
1331         case IFM_25G_CR:
1332         case IFM_25G_KR:
1333         case IFM_25G_SR:
1334                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1335                 softc->link_info.req_link_speed =
1336                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_25GB;
1337                 break;
1338         case IFM_40G_CR4:
1339         case IFM_40G_KR4:
1340         case IFM_40G_LR4:
1341         case IFM_40G_SR4:
1342                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1343                 softc->link_info.req_link_speed =
1344                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_40GB;
1345                 break;
1346         case IFM_50G_CR2:
1347         case IFM_50G_KR2:
1348                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1349                 softc->link_info.req_link_speed =
1350                     HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_50GB;
1351                 break;
1352         case IFM_100G_CR4:
1353         case IFM_100G_KR4:
1354         case IFM_100G_LR4:
1355         case IFM_100G_SR4:
1356                 softc->link_info.autoneg &= ~BNXT_AUTONEG_SPEED;
1357                 softc->link_info.req_link_speed =
1358                         HWRM_PORT_PHY_CFG_INPUT_FORCE_LINK_SPEED_100GB;
1359                 break;
1360         default:
1361                 device_printf(softc->dev,
1362                     "Unsupported media type!  Using auto\n");
1363                 /* Fall-through */
1364         case IFM_AUTO:
1365                 // Auto
1366                 softc->link_info.autoneg |= BNXT_AUTONEG_SPEED;
1367                 break;
1368         }
1369         rc = bnxt_hwrm_set_link_setting(softc, true, true, true);
1370         bnxt_media_status(softc->ctx, &ifmr);
1371         return rc;
1372 }
1373
1374 static int
1375 bnxt_promisc_set(if_ctx_t ctx, int flags)
1376 {
1377         struct bnxt_softc *softc = iflib_get_softc(ctx);
1378         if_t ifp = iflib_get_ifp(ctx);
1379         int rc;
1380
1381         if (ifp->if_flags & IFF_ALLMULTI ||
1382             if_llmaddr_count(ifp) > BNXT_MAX_MC_ADDRS)
1383                 softc->vnic_info.rx_mask |=
1384                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1385         else
1386                 softc->vnic_info.rx_mask &=
1387                     ~HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ALL_MCAST;
1388
1389         if (ifp->if_flags & IFF_PROMISC)
1390                 softc->vnic_info.rx_mask |=
1391                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1392                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN;
1393         else
1394                 softc->vnic_info.rx_mask &=
1395                     ~(HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_PROMISCUOUS |
1396                     HWRM_CFA_L2_SET_RX_MASK_INPUT_MASK_ANYVLAN_NONVLAN);
1397
1398         rc = bnxt_hwrm_cfa_l2_set_rx_mask(softc, &softc->vnic_info);
1399
1400         return rc;
1401 }
1402
1403 static uint64_t
1404 bnxt_get_counter(if_ctx_t ctx, ift_counter cnt)
1405 {
1406         if_t ifp = iflib_get_ifp(ctx);
1407
1408         if (cnt < IFCOUNTERS)
1409                 return if_get_counter_default(ifp, cnt);
1410
1411         return 0;
1412 }
1413
1414 static void
1415 bnxt_update_admin_status(if_ctx_t ctx)
1416 {
1417         struct bnxt_softc *softc = iflib_get_softc(ctx);
1418
1419         /*
1420          * When SR-IOV is enabled, avoid each VF sending this HWRM
1421          * request every sec with which firmware timeouts can happen
1422          */
1423         if (BNXT_PF(softc)) {
1424                 bnxt_hwrm_port_qstats(softc);
1425         }
1426
1427         return;
1428 }
1429
1430 static void
1431 bnxt_if_timer(if_ctx_t ctx, uint16_t qid)
1432 {
1433
1434         struct bnxt_softc *softc = iflib_get_softc(ctx);
1435         uint64_t ticks_now = ticks;
1436
1437         /* Schedule bnxt_update_admin_status() once per sec */
1438         if (ticks_now - softc->admin_ticks >= hz) {
1439                 softc->admin_ticks = ticks_now;
1440                 iflib_admin_intr_deferred(ctx);
1441         }
1442
1443         return;
1444 }
1445
1446 static void inline
1447 bnxt_do_enable_intr(struct bnxt_cp_ring *cpr)
1448 {
1449         if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE) {
1450                 /* First time enabling, do not set index */
1451                 if (cpr->cons == UINT32_MAX)
1452                         BNXT_CP_ENABLE_DB(&cpr->ring);
1453                 else
1454                         BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
1455         }
1456 }
1457
1458 static void inline
1459 bnxt_do_disable_intr(struct bnxt_cp_ring *cpr)
1460 {
1461         if (cpr->ring.phys_id != (uint16_t)HWRM_NA_SIGNATURE)
1462                 BNXT_CP_DISABLE_DB(&cpr->ring);
1463 }
1464
1465 /* Enable all interrupts */
1466 static void
1467 bnxt_intr_enable(if_ctx_t ctx)
1468 {
1469         struct bnxt_softc *softc = iflib_get_softc(ctx);
1470         int i;
1471
1472         bnxt_do_enable_intr(&softc->def_cp_ring);
1473         for (i = 0; i < softc->nrxqsets; i++)
1474                 bnxt_do_enable_intr(&softc->rx_cp_rings[i]);
1475
1476         return;
1477 }
1478
1479 /* Enable interrupt for a single queue */
1480 static int
1481 bnxt_tx_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->tx_cp_rings[qid]);
1486         return 0;
1487 }
1488
1489 static int
1490 bnxt_rx_queue_intr_enable(if_ctx_t ctx, uint16_t qid)
1491 {
1492         struct bnxt_softc *softc = iflib_get_softc(ctx);
1493
1494         bnxt_do_enable_intr(&softc->rx_cp_rings[qid]);
1495         return 0;
1496 }
1497
1498 /* Disable all interrupts */
1499 static void
1500 bnxt_disable_intr(if_ctx_t ctx)
1501 {
1502         struct bnxt_softc *softc = iflib_get_softc(ctx);
1503         int i;
1504
1505         /*
1506          * NOTE: These TX interrupts should never get enabled, so don't
1507          * update the index
1508          */
1509         for (i = 0; i < softc->ntxqsets; i++)
1510                 bnxt_do_disable_intr(&softc->tx_cp_rings[i]);
1511         for (i = 0; i < softc->nrxqsets; i++)
1512                 bnxt_do_disable_intr(&softc->rx_cp_rings[i]);
1513
1514         return;
1515 }
1516
1517 static int
1518 bnxt_msix_intr_assign(if_ctx_t ctx, int msix)
1519 {
1520         struct bnxt_softc *softc = iflib_get_softc(ctx);
1521         int rc;
1522         int i;
1523         char irq_name[16];
1524
1525         rc = iflib_irq_alloc_generic(ctx, &softc->def_cp_ring.irq,
1526             softc->def_cp_ring.ring.id + 1, IFLIB_INTR_ADMIN,
1527             bnxt_handle_def_cp, softc, 0, "def_cp");
1528         if (rc) {
1529                 device_printf(iflib_get_dev(ctx),
1530                     "Failed to register default completion ring handler\n");
1531                 return rc;
1532         }
1533
1534         for (i=0; i<softc->scctx->isc_nrxqsets; i++) {
1535                 snprintf(irq_name, sizeof(irq_name), "rxq%d", i);
1536                 rc = iflib_irq_alloc_generic(ctx, &softc->rx_cp_rings[i].irq,
1537                     softc->rx_cp_rings[i].ring.id + 1, IFLIB_INTR_RX,
1538                     bnxt_handle_rx_cp, &softc->rx_cp_rings[i], i, irq_name);
1539                 if (rc) {
1540                         device_printf(iflib_get_dev(ctx),
1541                             "Failed to register RX completion ring handler\n");
1542                         i--;
1543                         goto fail;
1544                 }
1545         }
1546
1547         for (i=0; i<softc->scctx->isc_ntxqsets; i++)
1548                 iflib_softirq_alloc_generic(ctx, NULL, IFLIB_INTR_TX, NULL, i, "tx_cp");
1549
1550         return rc;
1551
1552 fail:
1553         for (; i>=0; i--)
1554                 iflib_irq_free(ctx, &softc->rx_cp_rings[i].irq);
1555         iflib_irq_free(ctx, &softc->def_cp_ring.irq);
1556         return rc;
1557 }
1558
1559 /*
1560  * We're explicitly allowing duplicates here.  They will need to be
1561  * removed as many times as they are added.
1562  */
1563 static void
1564 bnxt_vlan_register(if_ctx_t ctx, uint16_t vtag)
1565 {
1566         struct bnxt_softc *softc = iflib_get_softc(ctx);
1567         struct bnxt_vlan_tag *new_tag;
1568
1569         new_tag = malloc(sizeof(struct bnxt_vlan_tag), M_DEVBUF, M_NOWAIT);
1570         if (new_tag == NULL)
1571                 return;
1572         new_tag->tag = vtag;
1573         new_tag->tpid = 8100;
1574         SLIST_INSERT_HEAD(&softc->vnic_info.vlan_tags, new_tag, next);
1575 };
1576
1577 static void
1578 bnxt_vlan_unregister(if_ctx_t ctx, uint16_t vtag)
1579 {
1580         struct bnxt_softc *softc = iflib_get_softc(ctx);
1581         struct bnxt_vlan_tag *vlan_tag;
1582
1583         SLIST_FOREACH(vlan_tag, &softc->vnic_info.vlan_tags, next) {
1584                 if (vlan_tag->tag == vtag) {
1585                         SLIST_REMOVE(&softc->vnic_info.vlan_tags, vlan_tag,
1586                             bnxt_vlan_tag, next);
1587                         free(vlan_tag, M_DEVBUF);
1588                         break;
1589                 }
1590         }
1591 }
1592
1593 static int
1594 bnxt_wol_config(if_ctx_t ctx)
1595 {
1596         struct bnxt_softc *softc = iflib_get_softc(ctx);
1597         if_t ifp = iflib_get_ifp(ctx);
1598
1599         if (!softc)
1600                 return -EBUSY;
1601
1602         if (!bnxt_wol_supported(softc))
1603                 return -ENOTSUP;
1604
1605         if (if_getcapabilities(ifp) & IFCAP_WOL_MAGIC) {
1606                 if (!softc->wol) {
1607                         if (bnxt_hwrm_alloc_wol_fltr(softc))
1608                                 return -EBUSY;
1609                         softc->wol = 1;
1610                 }
1611         } else {
1612                 if (softc->wol) {
1613                         if (bnxt_hwrm_free_wol_fltr(softc))
1614                                 return -EBUSY;
1615                         softc->wol = 0;
1616                 }
1617         }
1618
1619         return 0;
1620 }
1621
1622 static int
1623 bnxt_shutdown(if_ctx_t ctx)
1624 {
1625         bnxt_wol_config(ctx);
1626         return 0;
1627 }
1628
1629 static int
1630 bnxt_suspend(if_ctx_t ctx)
1631 {
1632         bnxt_wol_config(ctx);
1633         return 0;
1634 }
1635
1636 static int
1637 bnxt_resume(if_ctx_t ctx)
1638 {
1639         struct bnxt_softc *softc = iflib_get_softc(ctx);
1640
1641         bnxt_get_wol_settings(softc);
1642         return 0;
1643 }
1644
1645 static int
1646 bnxt_priv_ioctl(if_ctx_t ctx, u_long command, caddr_t data)
1647 {
1648         struct bnxt_softc *softc = iflib_get_softc(ctx);
1649         struct ifreq *ifr = (struct ifreq *)data;
1650         struct bnxt_ioctl_header *ioh;
1651         size_t iol;
1652         int rc = ENOTSUP;
1653         struct bnxt_ioctl_data iod_storage, *iod = &iod_storage;
1654
1655         switch (command) {
1656         case SIOCGPRIVATE_0:
1657                 if ((rc = priv_check(curthread, PRIV_DRIVER)) != 0)
1658                         goto exit;
1659
1660                 ioh = ifr_buffer_get_buffer(ifr);
1661                 iol = ifr_buffer_get_length(ifr);
1662                 if (iol > sizeof(iod_storage))
1663                         return (EINVAL);
1664
1665                 if ((rc = copyin(ioh, iod, iol)) != 0)
1666                         goto exit;
1667
1668                 switch (iod->hdr.type) {
1669                 case BNXT_HWRM_NVM_FIND_DIR_ENTRY:
1670                 {
1671                         struct bnxt_ioctl_hwrm_nvm_find_dir_entry *find =
1672                             &iod->find;
1673
1674                         rc = bnxt_hwrm_nvm_find_dir_entry(softc, find->type,
1675                             &find->ordinal, find->ext, &find->index,
1676                             find->use_index, find->search_opt,
1677                             &find->data_length, &find->item_length,
1678                             &find->fw_ver);
1679                         if (rc) {
1680                                 iod->hdr.rc = rc;
1681                                 copyout(&iod->hdr.rc, &ioh->rc,
1682                                     sizeof(ioh->rc));
1683                         }
1684                         else {
1685                                 iod->hdr.rc = 0;
1686                                 copyout(iod, ioh, iol);
1687                         }
1688
1689                         rc = 0;
1690                         goto exit;
1691                 }
1692                 case BNXT_HWRM_NVM_READ:
1693                 {
1694                         struct bnxt_ioctl_hwrm_nvm_read *rd = &iod->read;
1695                         struct iflib_dma_info dma_data;
1696                         size_t offset;
1697                         size_t remain;
1698                         size_t csize;
1699
1700                         /*
1701                          * Some HWRM versions can't read more than 0x8000 bytes
1702                          */
1703                         rc = iflib_dma_alloc(softc->ctx,
1704                             min(rd->length, 0x8000), &dma_data, BUS_DMA_NOWAIT);
1705                         if (rc)
1706                                 break;
1707                         for (remain = rd->length, offset = 0;
1708                             remain && offset < rd->length; offset += 0x8000) {
1709                                 csize = min(remain, 0x8000);
1710                                 rc = bnxt_hwrm_nvm_read(softc, rd->index,
1711                                     rd->offset + offset, csize, &dma_data);
1712                                 if (rc) {
1713                                         iod->hdr.rc = rc;
1714                                         copyout(&iod->hdr.rc, &ioh->rc,
1715                                             sizeof(ioh->rc));
1716                                         break;
1717                                 }
1718                                 else {
1719                                         copyout(dma_data.idi_vaddr,
1720                                             rd->data + offset, csize);
1721                                         iod->hdr.rc = 0;
1722                                 }
1723                                 remain -= csize;
1724                         }
1725                         if (iod->hdr.rc == 0)
1726                                 copyout(iod, ioh, iol);
1727
1728                         iflib_dma_free(&dma_data);
1729                         rc = 0;
1730                         goto exit;
1731                 }
1732                 case BNXT_HWRM_FW_RESET:
1733                 {
1734                         struct bnxt_ioctl_hwrm_fw_reset *rst =
1735                             &iod->reset;
1736
1737                         rc = bnxt_hwrm_fw_reset(softc, rst->processor,
1738                             &rst->selfreset);
1739                         if (rc) {
1740                                 iod->hdr.rc = rc;
1741                                 copyout(&iod->hdr.rc, &ioh->rc,
1742                                     sizeof(ioh->rc));
1743                         }
1744                         else {
1745                                 iod->hdr.rc = 0;
1746                                 copyout(iod, ioh, iol);
1747                         }
1748
1749                         rc = 0;
1750                         goto exit;
1751                 }
1752                 case BNXT_HWRM_FW_QSTATUS:
1753                 {
1754                         struct bnxt_ioctl_hwrm_fw_qstatus *qstat =
1755                             &iod->status;
1756
1757                         rc = bnxt_hwrm_fw_qstatus(softc, qstat->processor,
1758                             &qstat->selfreset);
1759                         if (rc) {
1760                                 iod->hdr.rc = rc;
1761                                 copyout(&iod->hdr.rc, &ioh->rc,
1762                                     sizeof(ioh->rc));
1763                         }
1764                         else {
1765                                 iod->hdr.rc = 0;
1766                                 copyout(iod, ioh, iol);
1767                         }
1768
1769                         rc = 0;
1770                         goto exit;
1771                 }
1772                 case BNXT_HWRM_NVM_WRITE:
1773                 {
1774                         struct bnxt_ioctl_hwrm_nvm_write *wr =
1775                             &iod->write;
1776
1777                         rc = bnxt_hwrm_nvm_write(softc, wr->data, true,
1778                             wr->type, wr->ordinal, wr->ext, wr->attr,
1779                             wr->option, wr->data_length, wr->keep,
1780                             &wr->item_length, &wr->index);
1781                         if (rc) {
1782                                 iod->hdr.rc = rc;
1783                                 copyout(&iod->hdr.rc, &ioh->rc,
1784                                     sizeof(ioh->rc));
1785                         }
1786                         else {
1787                                 iod->hdr.rc = 0;
1788                                 copyout(iod, ioh, iol);
1789                         }
1790
1791                         rc = 0;
1792                         goto exit;
1793                 }
1794                 case BNXT_HWRM_NVM_ERASE_DIR_ENTRY:
1795                 {
1796                         struct bnxt_ioctl_hwrm_nvm_erase_dir_entry *erase =
1797                             &iod->erase;
1798
1799                         rc = bnxt_hwrm_nvm_erase_dir_entry(softc, erase->index);
1800                         if (rc) {
1801                                 iod->hdr.rc = rc;
1802                                 copyout(&iod->hdr.rc, &ioh->rc,
1803                                     sizeof(ioh->rc));
1804                         }
1805                         else {
1806                                 iod->hdr.rc = 0;
1807                                 copyout(iod, ioh, iol);
1808                         }
1809
1810                         rc = 0;
1811                         goto exit;
1812                 }
1813                 case BNXT_HWRM_NVM_GET_DIR_INFO:
1814                 {
1815                         struct bnxt_ioctl_hwrm_nvm_get_dir_info *info =
1816                             &iod->dir_info;
1817
1818                         rc = bnxt_hwrm_nvm_get_dir_info(softc, &info->entries,
1819                             &info->entry_length);
1820                         if (rc) {
1821                                 iod->hdr.rc = rc;
1822                                 copyout(&iod->hdr.rc, &ioh->rc,
1823                                     sizeof(ioh->rc));
1824                         }
1825                         else {
1826                                 iod->hdr.rc = 0;
1827                                 copyout(iod, ioh, iol);
1828                         }
1829
1830                         rc = 0;
1831                         goto exit;
1832                 }
1833                 case BNXT_HWRM_NVM_GET_DIR_ENTRIES:
1834                 {
1835                         struct bnxt_ioctl_hwrm_nvm_get_dir_entries *get =
1836                             &iod->dir_entries;
1837                         struct iflib_dma_info dma_data;
1838
1839                         rc = iflib_dma_alloc(softc->ctx, get->max_size,
1840                             &dma_data, BUS_DMA_NOWAIT);
1841                         if (rc)
1842                                 break;
1843                         rc = bnxt_hwrm_nvm_get_dir_entries(softc, &get->entries,
1844                             &get->entry_length, &dma_data);
1845                         if (rc) {
1846                                 iod->hdr.rc = rc;
1847                                 copyout(&iod->hdr.rc, &ioh->rc,
1848                                     sizeof(ioh->rc));
1849                         }
1850                         else {
1851                                 copyout(dma_data.idi_vaddr, get->data,
1852                                     get->entry_length * get->entries);
1853                                 iod->hdr.rc = 0;
1854                                 copyout(iod, ioh, iol);
1855                         }
1856                         iflib_dma_free(&dma_data);
1857
1858                         rc = 0;
1859                         goto exit;
1860                 }
1861                 case BNXT_HWRM_NVM_VERIFY_UPDATE:
1862                 {
1863                         struct bnxt_ioctl_hwrm_nvm_verify_update *vrfy =
1864                             &iod->verify;
1865
1866                         rc = bnxt_hwrm_nvm_verify_update(softc, vrfy->type,
1867                             vrfy->ordinal, vrfy->ext);
1868                         if (rc) {
1869                                 iod->hdr.rc = rc;
1870                                 copyout(&iod->hdr.rc, &ioh->rc,
1871                                     sizeof(ioh->rc));
1872                         }
1873                         else {
1874                                 iod->hdr.rc = 0;
1875                                 copyout(iod, ioh, iol);
1876                         }
1877
1878                         rc = 0;
1879                         goto exit;
1880                 }
1881                 case BNXT_HWRM_NVM_INSTALL_UPDATE:
1882                 {
1883                         struct bnxt_ioctl_hwrm_nvm_install_update *inst =
1884                             &iod->install;
1885
1886                         rc = bnxt_hwrm_nvm_install_update(softc,
1887                             inst->install_type, &inst->installed_items,
1888                             &inst->result, &inst->problem_item,
1889                             &inst->reset_required);
1890                         if (rc) {
1891                                 iod->hdr.rc = rc;
1892                                 copyout(&iod->hdr.rc, &ioh->rc,
1893                                     sizeof(ioh->rc));
1894                         }
1895                         else {
1896                                 iod->hdr.rc = 0;
1897                                 copyout(iod, ioh, iol);
1898                         }
1899
1900                         rc = 0;
1901                         goto exit;
1902                 }
1903                 case BNXT_HWRM_NVM_MODIFY:
1904                 {
1905                         struct bnxt_ioctl_hwrm_nvm_modify *mod = &iod->modify;
1906
1907                         rc = bnxt_hwrm_nvm_modify(softc, mod->index,
1908                             mod->offset, mod->data, true, mod->length);
1909                         if (rc) {
1910                                 iod->hdr.rc = rc;
1911                                 copyout(&iod->hdr.rc, &ioh->rc,
1912                                     sizeof(ioh->rc));
1913                         }
1914                         else {
1915                                 iod->hdr.rc = 0;
1916                                 copyout(iod, ioh, iol);
1917                         }
1918
1919                         rc = 0;
1920                         goto exit;
1921                 }
1922                 case BNXT_HWRM_FW_GET_TIME:
1923                 {
1924                         struct bnxt_ioctl_hwrm_fw_get_time *gtm =
1925                             &iod->get_time;
1926
1927                         rc = bnxt_hwrm_fw_get_time(softc, &gtm->year,
1928                             &gtm->month, &gtm->day, &gtm->hour, &gtm->minute,
1929                             &gtm->second, &gtm->millisecond, &gtm->zone);
1930                         if (rc) {
1931                                 iod->hdr.rc = rc;
1932                                 copyout(&iod->hdr.rc, &ioh->rc,
1933                                     sizeof(ioh->rc));
1934                         }
1935                         else {
1936                                 iod->hdr.rc = 0;
1937                                 copyout(iod, ioh, iol);
1938                         }
1939
1940                         rc = 0;
1941                         goto exit;
1942                 }
1943                 case BNXT_HWRM_FW_SET_TIME:
1944                 {
1945                         struct bnxt_ioctl_hwrm_fw_set_time *stm =
1946                             &iod->set_time;
1947
1948                         rc = bnxt_hwrm_fw_set_time(softc, stm->year,
1949                             stm->month, stm->day, stm->hour, stm->minute,
1950                             stm->second, stm->millisecond, stm->zone);
1951                         if (rc) {
1952                                 iod->hdr.rc = rc;
1953                                 copyout(&iod->hdr.rc, &ioh->rc,
1954                                     sizeof(ioh->rc));
1955                         }
1956                         else {
1957                                 iod->hdr.rc = 0;
1958                                 copyout(iod, ioh, iol);
1959                         }
1960
1961                         rc = 0;
1962                         goto exit;
1963                 }
1964                 }
1965                 break;
1966         }
1967
1968 exit:
1969         return rc;
1970 }
1971
1972 /*
1973  * Support functions
1974  */
1975 static int
1976 bnxt_probe_phy(struct bnxt_softc *softc)
1977 {
1978         struct bnxt_link_info *link_info = &softc->link_info;
1979         int rc = 0;
1980
1981         rc = bnxt_update_link(softc, false);
1982         if (rc) {
1983                 device_printf(softc->dev,
1984                     "Probe phy can't update link (rc: %x)\n", rc);
1985                 return (rc);
1986         }
1987
1988         /*initialize the ethool setting copy with NVM settings */
1989         if (link_info->auto_mode != HWRM_PORT_PHY_QCFG_OUTPUT_AUTO_MODE_NONE)
1990                 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1991
1992         link_info->req_duplex = link_info->duplex_setting;
1993         if (link_info->autoneg & BNXT_AUTONEG_SPEED)
1994                 link_info->req_link_speed = link_info->auto_link_speed;
1995         else
1996                 link_info->req_link_speed = link_info->force_link_speed;
1997         return (rc);
1998 }
1999
2000 static void
2001 bnxt_add_media_types(struct bnxt_softc *softc)
2002 {
2003         struct bnxt_link_info *link_info = &softc->link_info;
2004         uint16_t supported;
2005         uint8_t phy_type = get_phy_type(softc);
2006
2007         supported = link_info->support_speeds;
2008
2009         /* Auto is always supported */
2010         ifmedia_add(softc->media, IFM_ETHER | IFM_AUTO, 0, NULL);
2011
2012         if (softc->flags & BNXT_FLAG_NPAR)
2013                 return;
2014
2015         switch (phy_type) {
2016         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASECR4:
2017         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASECR4:
2018         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_L:
2019         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_S:
2020         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASECR_CA_N:
2021         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR:
2022                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_CR4);
2023                 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_CR2);
2024                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_CR4);
2025                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_CR);
2026                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_CR1);
2027                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2028                 break;
2029
2030         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASELR4:
2031         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASELR4:
2032         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASELR:
2033                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_LR4);
2034                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_LR4);
2035                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_LR);
2036                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_LR);
2037                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_LX);
2038                 break;
2039
2040         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR10:
2041         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASESR4:
2042         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASESR4:
2043         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR:
2044         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_BASEER4:
2045         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_100G_BASEER4:
2046         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_25G_BASESR:
2047         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASESX:
2048                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_SR4);
2049                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_SR4);
2050                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_SR);
2051                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_SR);
2052                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SX);
2053                 break;
2054
2055         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR4:
2056         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR2:
2057         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR:
2058                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100GB, IFM_100G_KR4);
2059                 BNXT_IFMEDIA_ADD(supported, SPEEDS_50GB, IFM_50G_KR2);
2060                 BNXT_IFMEDIA_ADD(supported, SPEEDS_40GB, IFM_40G_KR4);
2061                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_KR);
2062                 BNXT_IFMEDIA_ADD(supported, SPEEDS_20GB, IFM_20G_KR2);
2063                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2064                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2065                 break;
2066
2067         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_40G_ACTIVE_CABLE:
2068                 BNXT_IFMEDIA_ADD(supported, SPEEDS_25GB, IFM_25G_ACC);
2069                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_AOC);
2070                 break;
2071
2072         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASECX:
2073                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GBHD, IFM_1000_CX);
2074                 break;
2075
2076         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_1G_BASET:
2077         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET:
2078         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASETE:
2079                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_T);
2080                 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_T);
2081                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_T);
2082                 BNXT_IFMEDIA_ADD(supported, SPEEDS_100MB, IFM_100_T);
2083                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10MB, IFM_10_T);
2084                 break;
2085
2086         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX:
2087                 BNXT_IFMEDIA_ADD(supported, SPEEDS_10GB, IFM_10G_KR);
2088                 BNXT_IFMEDIA_ADD(supported, SPEEDS_2_5GB, IFM_2500_KX);
2089                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_KX);
2090                 break;
2091
2092         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_SGMIIEXTPHY:
2093                 BNXT_IFMEDIA_ADD(supported, SPEEDS_1GB, IFM_1000_SGMII);
2094                 break;
2095
2096         case HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN:
2097                 /* Only Autoneg is supported for TYPE_UNKNOWN */
2098                 device_printf(softc->dev, "Unknown phy type\n");
2099                 break;
2100
2101         default:
2102                 /* Only Autoneg is supported for new phy type values */
2103                 device_printf(softc->dev, "phy type %d not supported by driver\n", phy_type);
2104                 break;
2105         }
2106
2107         return;
2108 }
2109
2110 static int
2111 bnxt_map_bar(struct bnxt_softc *softc, struct bnxt_bar_info *bar, int bar_num, bool shareable)
2112 {
2113         uint32_t        flag;
2114
2115         if (bar->res != NULL) {
2116                 device_printf(softc->dev, "Bar %d already mapped\n", bar_num);
2117                 return EDOOFUS;
2118         }
2119
2120         bar->rid = PCIR_BAR(bar_num);
2121         flag = RF_ACTIVE;
2122         if (shareable)
2123                 flag |= RF_SHAREABLE;
2124
2125         if ((bar->res =
2126                 bus_alloc_resource_any(softc->dev,
2127                            SYS_RES_MEMORY,
2128                            &bar->rid,
2129                            flag)) == NULL) {
2130                 device_printf(softc->dev,
2131                     "PCI BAR%d mapping failure\n", bar_num);
2132                 return (ENXIO);
2133         }
2134         bar->tag = rman_get_bustag(bar->res);
2135         bar->handle = rman_get_bushandle(bar->res);
2136         bar->size = rman_get_size(bar->res);
2137
2138         return 0;
2139 }
2140
2141 static int
2142 bnxt_pci_mapping(struct bnxt_softc *softc)
2143 {
2144         int rc;
2145
2146         rc = bnxt_map_bar(softc, &softc->hwrm_bar, 0, true);
2147         if (rc)
2148                 return rc;
2149
2150         rc = bnxt_map_bar(softc, &softc->doorbell_bar, 2, false);
2151
2152         return rc;
2153 }
2154
2155 static void
2156 bnxt_pci_mapping_free(struct bnxt_softc *softc)
2157 {
2158         if (softc->hwrm_bar.res != NULL)
2159                 bus_release_resource(softc->dev, SYS_RES_MEMORY,
2160                     softc->hwrm_bar.rid, softc->hwrm_bar.res);
2161         softc->hwrm_bar.res = NULL;
2162
2163         if (softc->doorbell_bar.res != NULL)
2164                 bus_release_resource(softc->dev, SYS_RES_MEMORY,
2165                     softc->doorbell_bar.rid, softc->doorbell_bar.res);
2166         softc->doorbell_bar.res = NULL;
2167 }
2168
2169 static int
2170 bnxt_update_link(struct bnxt_softc *softc, bool chng_link_state)
2171 {
2172         struct bnxt_link_info *link_info = &softc->link_info;
2173         uint8_t link_up = link_info->link_up;
2174         int rc = 0;
2175
2176         rc = bnxt_hwrm_port_phy_qcfg(softc);
2177         if (rc)
2178                 goto exit;
2179
2180         /* TODO: need to add more logic to report VF link */
2181         if (chng_link_state) {
2182                 if (link_info->phy_link_status ==
2183                     HWRM_PORT_PHY_QCFG_OUTPUT_LINK_LINK)
2184                         link_info->link_up = 1;
2185                 else
2186                         link_info->link_up = 0;
2187                 if (link_up != link_info->link_up)
2188                         bnxt_report_link(softc);
2189         } else {
2190                 /* always link down if not require to update link state */
2191                 link_info->link_up = 0;
2192         }
2193
2194 exit:
2195         return rc;
2196 }
2197
2198 void
2199 bnxt_report_link(struct bnxt_softc *softc)
2200 {
2201         struct bnxt_link_info *link_info = &softc->link_info;
2202         const char *duplex = NULL, *flow_ctrl = NULL;
2203
2204         if (link_info->link_up == link_info->last_link_up) {
2205                 if (!link_info->link_up)
2206                         return;
2207                 if ((link_info->duplex == link_info->last_duplex) &&
2208                     (!(BNXT_IS_FLOW_CTRL_CHANGED(link_info))))
2209                         return;
2210         }
2211
2212         if (link_info->link_up) {
2213                 if (link_info->duplex ==
2214                     HWRM_PORT_PHY_QCFG_OUTPUT_DUPLEX_CFG_FULL)
2215                         duplex = "full duplex";
2216                 else
2217                         duplex = "half duplex";
2218                 if (link_info->flow_ctrl.tx & link_info->flow_ctrl.rx)
2219                         flow_ctrl = "FC - receive & transmit";
2220                 else if (link_info->flow_ctrl.tx)
2221                         flow_ctrl = "FC - transmit";
2222                 else if (link_info->flow_ctrl.rx)
2223                         flow_ctrl = "FC - receive";
2224                 else
2225                         flow_ctrl = "FC - none";
2226                 iflib_link_state_change(softc->ctx, LINK_STATE_UP,
2227                     IF_Gbps(100));
2228                 device_printf(softc->dev, "Link is UP %s, %s - %d Mbps \n", duplex,
2229                     flow_ctrl, (link_info->link_speed * 100));
2230         } else {
2231                 iflib_link_state_change(softc->ctx, LINK_STATE_DOWN,
2232                     bnxt_get_baudrate(&softc->link_info));
2233                 device_printf(softc->dev, "Link is Down\n");
2234         }
2235
2236         link_info->last_link_up = link_info->link_up;
2237         link_info->last_duplex = link_info->duplex;
2238         link_info->last_flow_ctrl.tx = link_info->flow_ctrl.tx;
2239         link_info->last_flow_ctrl.rx = link_info->flow_ctrl.rx;
2240         link_info->last_flow_ctrl.autoneg = link_info->flow_ctrl.autoneg;
2241         /* update media types */
2242         ifmedia_removeall(softc->media);
2243         bnxt_add_media_types(softc);
2244         ifmedia_set(softc->media, IFM_ETHER | IFM_AUTO);
2245 }
2246
2247 static int
2248 bnxt_handle_rx_cp(void *arg)
2249 {
2250         struct bnxt_cp_ring *cpr = arg;
2251
2252         /* Disable further interrupts for this queue */
2253         BNXT_CP_DISABLE_DB(&cpr->ring);
2254         return FILTER_SCHEDULE_THREAD;
2255 }
2256
2257 static int
2258 bnxt_handle_def_cp(void *arg)
2259 {
2260         struct bnxt_softc *softc = arg;
2261
2262         BNXT_CP_DISABLE_DB(&softc->def_cp_ring.ring);
2263         GROUPTASK_ENQUEUE(&softc->def_cp_task);
2264         return FILTER_HANDLED;
2265 }
2266
2267 static void
2268 bnxt_clear_ids(struct bnxt_softc *softc)
2269 {
2270         int i;
2271
2272         softc->def_cp_ring.stats_ctx_id = HWRM_NA_SIGNATURE;
2273         softc->def_cp_ring.ring.phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2274         for (i = 0; i < softc->ntxqsets; i++) {
2275                 softc->tx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2276                 softc->tx_cp_rings[i].ring.phys_id =
2277                     (uint16_t)HWRM_NA_SIGNATURE;
2278                 softc->tx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2279         }
2280         for (i = 0; i < softc->nrxqsets; i++) {
2281                 softc->rx_cp_rings[i].stats_ctx_id = HWRM_NA_SIGNATURE;
2282                 softc->rx_cp_rings[i].ring.phys_id =
2283                     (uint16_t)HWRM_NA_SIGNATURE;
2284                 softc->rx_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2285                 softc->ag_rings[i].phys_id = (uint16_t)HWRM_NA_SIGNATURE;
2286                 softc->grp_info[i].grp_id = (uint16_t)HWRM_NA_SIGNATURE;
2287         }
2288         softc->vnic_info.filter_id = -1;
2289         softc->vnic_info.id = (uint16_t)HWRM_NA_SIGNATURE;
2290         softc->vnic_info.rss_id = (uint16_t)HWRM_NA_SIGNATURE;
2291         memset(softc->vnic_info.rss_grp_tbl.idi_vaddr, 0xff,
2292             softc->vnic_info.rss_grp_tbl.idi_size);
2293 }
2294
2295 static void
2296 bnxt_mark_cpr_invalid(struct bnxt_cp_ring *cpr)
2297 {
2298         struct cmpl_base *cmp = (void *)cpr->ring.vaddr;
2299         int i;
2300
2301         for (i = 0; i < cpr->ring.ring_size; i++)
2302                 cmp[i].info3_v = !cpr->v_bit;
2303 }
2304
2305 static void
2306 bnxt_handle_async_event(struct bnxt_softc *softc, struct cmpl_base *cmpl)
2307 {
2308         struct hwrm_async_event_cmpl *ae = (void *)cmpl;
2309         uint16_t async_id = le16toh(ae->event_id);
2310         struct ifmediareq ifmr;
2311
2312         switch (async_id) {
2313         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE:
2314         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE:
2315         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE:
2316                 bnxt_media_status(softc->ctx, &ifmr);
2317                 break;
2318         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_MTU_CHANGE:
2319         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DCB_CONFIG_CHANGE:
2320         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED:
2321         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_NOT_ALLOWED:
2322         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_UNLOAD:
2323         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_FUNC_DRVR_LOAD:
2324         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD:
2325         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_LOAD:
2326         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_FLR:
2327         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_MAC_ADDR_CHANGE:
2328         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_VF_COMM_STATUS_CHANGE:
2329         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE:
2330         case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_HWRM_ERROR:
2331                 device_printf(softc->dev,
2332                     "Unhandled async completion type %u\n", async_id);
2333                 break;
2334         default:
2335                 device_printf(softc->dev,
2336                     "Unknown async completion type %u\n", async_id);
2337                 break;
2338         }
2339 }
2340
2341 static void
2342 bnxt_def_cp_task(void *context)
2343 {
2344         if_ctx_t ctx = context;
2345         struct bnxt_softc *softc = iflib_get_softc(ctx);
2346         struct bnxt_cp_ring *cpr = &softc->def_cp_ring;
2347
2348         /* Handle completions on the default completion ring */
2349         struct cmpl_base *cmpl;
2350         uint32_t cons = cpr->cons;
2351         bool v_bit = cpr->v_bit;
2352         bool last_v_bit;
2353         uint32_t last_cons;
2354         uint16_t type;
2355
2356         for (;;) {
2357                 last_cons = cons;
2358                 last_v_bit = v_bit;
2359                 NEXT_CP_CONS_V(&cpr->ring, cons, v_bit);
2360                 cmpl = &((struct cmpl_base *)cpr->ring.vaddr)[cons];
2361
2362                 if (!CMP_VALID(cmpl, v_bit))
2363                         break;
2364
2365                 type = le16toh(cmpl->type) & CMPL_BASE_TYPE_MASK;
2366                 switch (type) {
2367                 case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT:
2368                         bnxt_handle_async_event(softc, cmpl);
2369                         break;
2370                 case CMPL_BASE_TYPE_TX_L2:
2371                 case CMPL_BASE_TYPE_RX_L2:
2372                 case CMPL_BASE_TYPE_RX_AGG:
2373                 case CMPL_BASE_TYPE_RX_TPA_START:
2374                 case CMPL_BASE_TYPE_RX_TPA_END:
2375                 case CMPL_BASE_TYPE_STAT_EJECT:
2376                 case CMPL_BASE_TYPE_HWRM_DONE:
2377                 case CMPL_BASE_TYPE_HWRM_FWD_REQ:
2378                 case CMPL_BASE_TYPE_HWRM_FWD_RESP:
2379                 case CMPL_BASE_TYPE_CQ_NOTIFICATION:
2380                 case CMPL_BASE_TYPE_SRQ_EVENT:
2381                 case CMPL_BASE_TYPE_DBQ_EVENT:
2382                 case CMPL_BASE_TYPE_QP_EVENT:
2383                 case CMPL_BASE_TYPE_FUNC_EVENT:
2384                         device_printf(softc->dev,
2385                             "Unhandled completion type %u\n", type);
2386                         break;
2387                 default:
2388                         device_printf(softc->dev,
2389                             "Unknown completion type %u\n", type);
2390                         break;
2391                 }
2392         }
2393
2394         cpr->cons = last_cons;
2395         cpr->v_bit = last_v_bit;
2396         BNXT_CP_IDX_ENABLE_DB(&cpr->ring, cpr->cons);
2397 }
2398
2399 static uint8_t
2400 get_phy_type(struct bnxt_softc *softc)
2401 {
2402         struct bnxt_link_info *link_info = &softc->link_info;
2403         uint8_t phy_type = link_info->phy_type;
2404         uint16_t supported;
2405
2406         if (phy_type != HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_UNKNOWN)
2407                 return phy_type;
2408
2409         /* Deduce the phy type from the media type and supported speeds */
2410         supported = link_info->support_speeds;
2411
2412         if (link_info->media_type ==
2413             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_TP)
2414                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASET;
2415         if (link_info->media_type ==
2416             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_DAC) {
2417                 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_2_5GB)
2418                         return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKX;
2419                 if (supported & HWRM_PORT_PHY_QCFG_OUTPUT_SUPPORT_SPEEDS_20GB)
2420                         return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASEKR;
2421                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASECR;
2422         }
2423         if (link_info->media_type ==
2424             HWRM_PORT_PHY_QCFG_OUTPUT_MEDIA_TYPE_FIBRE)
2425                 return HWRM_PORT_PHY_QCFG_OUTPUT_PHY_TYPE_BASESR;
2426
2427         return phy_type;
2428 }
2429
2430 bool
2431 bnxt_check_hwrm_version(struct bnxt_softc *softc)
2432 {
2433         char buf[16];
2434
2435         sprintf(buf, "%hhu.%hhu.%hhu", softc->ver_info->hwrm_min_major,
2436             softc->ver_info->hwrm_min_minor, softc->ver_info->hwrm_min_update);
2437         if (softc->ver_info->hwrm_min_major > softc->ver_info->hwrm_if_major) {
2438                 device_printf(softc->dev,
2439                     "WARNING: HWRM version %s is too old (older than %s)\n",
2440                     softc->ver_info->hwrm_if_ver, buf);
2441                 return false;
2442         }
2443         else if(softc->ver_info->hwrm_min_major ==
2444             softc->ver_info->hwrm_if_major) {
2445                 if (softc->ver_info->hwrm_min_minor >
2446                     softc->ver_info->hwrm_if_minor) {
2447                         device_printf(softc->dev,
2448                             "WARNING: HWRM version %s is too old (older than %s)\n",
2449                             softc->ver_info->hwrm_if_ver, buf);
2450                         return false;
2451                 }
2452                 else if (softc->ver_info->hwrm_min_minor ==
2453                     softc->ver_info->hwrm_if_minor) {
2454                         if (softc->ver_info->hwrm_min_update >
2455                             softc->ver_info->hwrm_if_update) {
2456                                 device_printf(softc->dev,
2457                                     "WARNING: HWRM version %s is too old (older than %s)\n",
2458                                     softc->ver_info->hwrm_if_ver, buf);
2459                                 return false;
2460                         }
2461                 }
2462         }
2463         return true;
2464 }
2465
2466 static uint64_t
2467 bnxt_get_baudrate(struct bnxt_link_info *link)
2468 {
2469         switch (link->link_speed) {
2470         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100MB:
2471                 return IF_Mbps(100);
2472         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_1GB:
2473                 return IF_Gbps(1);
2474         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2GB:
2475                 return IF_Gbps(2);
2476         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_2_5GB:
2477                 return IF_Mbps(2500);
2478         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10GB:
2479                 return IF_Gbps(10);
2480         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_20GB:
2481                 return IF_Gbps(20);
2482         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_25GB:
2483                 return IF_Gbps(25);
2484         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_40GB:
2485                 return IF_Gbps(40);
2486         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_50GB:
2487                 return IF_Gbps(50);
2488         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_100GB:
2489                 return IF_Gbps(100);
2490         case HWRM_PORT_PHY_QCFG_OUTPUT_LINK_SPEED_10MB:
2491                 return IF_Mbps(10);
2492         }
2493         return IF_Gbps(100);
2494 }
2495
2496 static void
2497 bnxt_get_wol_settings(struct bnxt_softc *softc)
2498 {
2499         uint16_t wol_handle = 0;
2500
2501         if (!bnxt_wol_supported(softc))
2502                 return;
2503
2504         do {
2505                 wol_handle = bnxt_hwrm_get_wol_fltrs(softc, wol_handle);
2506         } while (wol_handle && wol_handle != BNXT_NO_MORE_WOL_FILTERS);
2507 }