drivers/net/cxgbe/cxgbe_main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2014-2018 Chelsio Communications.
   3  * All rights reserved.
   4  */
   5
   6 #include <sys/queue.h>
   7 #include <sys/stat.h>
   8 #include <stdio.h>
   9 #include <errno.h>
  10 #include <stdint.h>
  11 #include <string.h>
  12 #include <unistd.h>
  13 #include <stdarg.h>
  14 #include <inttypes.h>
  15 #include <fcntl.h>
  16 #include <netinet/in.h>
  17
  18 #include <rte_byteorder.h>
  19 #include <rte_common.h>
  20 #include <rte_cycles.h>
  21 #include <rte_interrupts.h>
  22 #include <rte_log.h>
  23 #include <rte_debug.h>
  24 #include <rte_pci.h>
  25 #include <rte_branch_prediction.h>
  26 #include <rte_memory.h>
  27 #include <rte_tailq.h>
  28 #include <rte_eal.h>
  29 #include <rte_alarm.h>
  30 #include <rte_ether.h>
  31 #include <ethdev_driver.h>
  32 #include <ethdev_pci.h>
  33 #include <rte_random.h>
  34 #include <rte_dev.h>
  35 #include <rte_kvargs.h>
  36
  37 #include "base/common.h"
  38 #include "base/t4_regs.h"
  39 #include "base/t4_msg.h"
  40 #include "cxgbe.h"
  41 #include "cxgbe_pfvf.h"
  42 #include "clip_tbl.h"
  43 #include "l2t.h"
  44 #include "smt.h"
  45 #include "mps_tcam.h"
  46
  47 static const u16 cxgbe_filter_mode_features[] = {
  48         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE |
  49          F_PROTOCOL | F_PORT),
  50         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE |
  51          F_PROTOCOL | F_FCOE),
  52         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS |
  53          F_PORT),
  54         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS |
  55          F_FCOE),
  56         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_PORT |
  57          F_FCOE),
  58         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_TOS |
  59          F_PORT | F_FCOE),
  60         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VLAN |
  61          F_FCOE),
  62         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VNIC_ID |
  63          F_FCOE),
  64         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VLAN |
  65          F_FCOE),
  66         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VNIC_ID |
  67          F_FCOE),
  68         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_VLAN | F_PORT |
  69          F_FCOE),
  70         (F_FRAGMENTATION | F_MPSHITTYPE | F_MACMATCH | F_VNIC_ID | F_PORT |
  71          F_FCOE),
  72         (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_PROTOCOL | F_TOS |
  73          F_PORT | F_FCOE),
  74         (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_PORT),
  75         (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_FCOE),
  76         (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_PORT),
  77         (F_FRAGMENTATION | F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_FCOE),
  78         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_PORT),
  79         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_FCOE),
  80         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID |
  81          F_PORT),
  82         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID |
  83          F_FCOE),
  84         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_VLAN | F_PORT |
  85          F_FCOE),
  86         (F_FRAGMENTATION | F_MPSHITTYPE | F_PROTOCOL | F_VNIC_ID | F_PORT |
  87          F_FCOE),
  88         (F_FRAGMENTATION | F_MPSHITTYPE | F_TOS | F_VLAN | F_PORT | F_FCOE),
  89         (F_FRAGMENTATION | F_MPSHITTYPE | F_TOS | F_VNIC_ID | F_PORT | F_FCOE),
  90         (F_FRAGMENTATION | F_MPSHITTYPE | F_VLAN | F_VNIC_ID | F_FCOE),
  91         (F_FRAGMENTATION | F_MACMATCH | F_ETHERTYPE | F_PROTOCOL | F_PORT |
  92          F_FCOE),
  93         (F_FRAGMENTATION | F_MACMATCH | F_ETHERTYPE | F_TOS | F_PORT | F_FCOE),
  94         (F_FRAGMENTATION | F_MACMATCH | F_PROTOCOL | F_VLAN | F_PORT | F_FCOE),
  95         (F_FRAGMENTATION | F_MACMATCH | F_PROTOCOL | F_VNIC_ID | F_PORT |
  96          F_FCOE),
  97         (F_FRAGMENTATION | F_MACMATCH | F_TOS | F_VLAN | F_PORT | F_FCOE),
  98         (F_FRAGMENTATION | F_MACMATCH | F_TOS | F_VNIC_ID | F_PORT | F_FCOE),
  99         (F_FRAGMENTATION | F_ETHERTYPE | F_VLAN | F_PORT | F_FCOE),
 100         (F_FRAGMENTATION | F_ETHERTYPE | F_VNIC_ID | F_PORT | F_FCOE),
 101         (F_FRAGMENTATION | F_PROTOCOL | F_TOS | F_VLAN | F_FCOE),
 102         (F_FRAGMENTATION | F_PROTOCOL | F_TOS | F_VNIC_ID | F_FCOE),
 103         (F_FRAGMENTATION | F_VLAN | F_VNIC_ID | F_PORT | F_FCOE),
 104         (F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_PROTOCOL | F_PORT |
 105          F_FCOE),
 106         (F_MPSHITTYPE | F_MACMATCH | F_ETHERTYPE | F_TOS | F_PORT | F_FCOE),
 107         (F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VLAN | F_PORT),
 108         (F_MPSHITTYPE | F_MACMATCH | F_PROTOCOL | F_VNIC_ID | F_PORT),
 109         (F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VLAN | F_PORT),
 110         (F_MPSHITTYPE | F_MACMATCH | F_TOS | F_VNIC_ID | F_PORT),
 111         (F_MPSHITTYPE | F_ETHERTYPE | F_VLAN | F_PORT | F_FCOE),
 112         (F_MPSHITTYPE | F_ETHERTYPE | F_VNIC_ID | F_PORT | F_FCOE),
 113         (F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VLAN | F_PORT | F_FCOE),
 114         (F_MPSHITTYPE | F_PROTOCOL | F_TOS | F_VNIC_ID | F_PORT | F_FCOE),
 115         (F_MPSHITTYPE | F_VLAN | F_VNIC_ID | F_PORT),
 116 };
 117
 118 /**
 119  * Allocate a chunk of memory. The allocated memory is cleared.
 120  */
 121 void *t4_alloc_mem(size_t size)
 122 {
 123         return rte_zmalloc(NULL, size, 0);
 124 }
 125
 126 /**
 127  * Free memory allocated through t4_alloc_mem().
 128  */
 129 void t4_free_mem(void *addr)
 130 {
 131         rte_free(addr);
 132 }
 133
 134 /*
 135  * Response queue handler for the FW event queue.
 136  */
 137 static int fwevtq_handler(struct sge_rspq *q, const __be64 *rsp,
 138                           __rte_unused const struct pkt_gl *gl)
 139 {
 140         u8 opcode = ((const struct rss_header *)rsp)->opcode;
 141
 142         rsp++;                                          /* skip RSS header */
 143
 144         /*
 145          * FW can send EGR_UPDATEs encapsulated in a CPL_FW4_MSG.
 146          */
 147         if (unlikely(opcode == CPL_FW4_MSG &&
 148                      ((const struct cpl_fw4_msg *)rsp)->type ==
 149                       FW_TYPE_RSSCPL)) {
 150                 rsp++;
 151                 opcode = ((const struct rss_header *)rsp)->opcode;
 152                 rsp++;
 153                 if (opcode != CPL_SGE_EGR_UPDATE) {
 154                         dev_err(q->adapter, "unexpected FW4/CPL %#x on FW event queue\n",
 155                                 opcode);
 156                         goto out;
 157                 }
 158         }
 159
 160         if (likely(opcode == CPL_SGE_EGR_UPDATE)) {
 161                 /* do nothing */
 162         } else if (opcode == CPL_FW6_MSG || opcode == CPL_FW4_MSG) {
 163                 const struct cpl_fw6_msg *msg = (const void *)rsp;
 164
 165                 t4_handle_fw_rpl(q->adapter, msg->data);
 166         } else if (opcode == CPL_ABORT_RPL_RSS) {
 167                 const struct cpl_abort_rpl_rss *p = (const void *)rsp;
 168
 169                 cxgbe_hash_del_filter_rpl(q->adapter, p);
 170         } else if (opcode == CPL_SET_TCB_RPL) {
 171                 const struct cpl_set_tcb_rpl *p = (const void *)rsp;
 172
 173                 cxgbe_filter_rpl(q->adapter, p);
 174         } else if (opcode == CPL_ACT_OPEN_RPL) {
 175                 const struct cpl_act_open_rpl *p = (const void *)rsp;
 176
 177                 cxgbe_hash_filter_rpl(q->adapter, p);
 178         } else if (opcode == CPL_L2T_WRITE_RPL) {
 179                 const struct cpl_l2t_write_rpl *p = (const void *)rsp;
 180
 181                 cxgbe_do_l2t_write_rpl(q->adapter, p);
 182         } else if (opcode == CPL_SMT_WRITE_RPL) {
 183                 const struct cpl_smt_write_rpl *p = (const void *)rsp;
 184
 185                 cxgbe_do_smt_write_rpl(q->adapter, p);
 186         } else {
 187                 dev_err(adapter, "unexpected CPL %#x on FW event queue\n",
 188                         opcode);
 189         }
 190 out:
 191         return 0;
 192 }
 193
 194 /**
 195  * Setup sge control queues to pass control information.
 196  */
 197 int cxgbe_setup_sge_ctrl_txq(struct adapter *adapter)
 198 {
 199         struct sge *s = &adapter->sge;
 200         int err = 0, i = 0;
 201
 202         for_each_port(adapter, i) {
 203                 struct port_info *pi = adap2pinfo(adapter, i);
 204                 char name[RTE_ETH_NAME_MAX_LEN];
 205                 struct sge_ctrl_txq *q = &s->ctrlq[i];
 206
 207                 q->q.size = 1024;
 208                 err = t4_sge_alloc_ctrl_txq(adapter, q,
 209                                             adapter->eth_dev,  i,
 210                                             s->fw_evtq.cntxt_id,
 211                                             rte_socket_id());
 212                 if (err) {
 213                         dev_err(adapter, "Failed to alloc ctrl txq. Err: %d",
 214                                 err);
 215                         goto out;
 216                 }
 217                 snprintf(name, sizeof(name), "%s_ctrl_pool_%d",
 218                          pi->eth_dev->device->driver->name,
 219                          pi->eth_dev->data->port_id);
 220                 q->mb_pool = rte_pktmbuf_pool_create(name, s->ctrlq[i].q.size,
 221                                                      RTE_CACHE_LINE_SIZE,
 222                                                      RTE_MBUF_PRIV_ALIGN,
 223                                                      RTE_MBUF_DEFAULT_BUF_SIZE,
 224                                                      SOCKET_ID_ANY);
 225                 if (!q->mb_pool) {
 226                         err = -rte_errno;
 227                         dev_err(adapter,
 228                                 "Can't create ctrl pool for port %d. Err: %d\n",
 229                                 pi->eth_dev->data->port_id, err);
 230                         goto out;
 231                 }
 232         }
 233         return 0;
 234 out:
 235         t4_free_sge_resources(adapter);
 236         return err;
 237 }
 238
 239 /**
 240  * cxgbe_poll_for_completion: Poll rxq for completion
 241  * @q: rxq to poll
 242  * @ms: milliseconds to delay
 243  * @cnt: number of times to poll
 244  * @c: completion to check for 'done' status
 245  *
 246  * Polls the rxq for reples until completion is done or the count
 247  * expires.
 248  */
 249 int cxgbe_poll_for_completion(struct sge_rspq *q, unsigned int ms,
 250                               unsigned int cnt, struct t4_completion *c)
 251 {
 252         unsigned int i;
 253         unsigned int work_done, budget = 32;
 254
 255         if (!c)
 256                 return -EINVAL;
 257
 258         for (i = 0; i < cnt; i++) {
 259                 cxgbe_poll(q, NULL, budget, &work_done);
 260                 t4_os_lock(&c->lock);
 261                 if (c->done) {
 262                         t4_os_unlock(&c->lock);
 263                         return 0;
 264                 }
 265                 t4_os_unlock(&c->lock);
 266                 rte_delay_ms(ms);
 267         }
 268         return -ETIMEDOUT;
 269 }
 270
 271 int cxgbe_setup_sge_fwevtq(struct adapter *adapter)
 272 {
 273         struct sge *s = &adapter->sge;
 274         int err = 0;
 275         int msi_idx = 0;
 276
 277         err = t4_sge_alloc_rxq(adapter, &s->fw_evtq, true, adapter->eth_dev,
 278                                msi_idx, NULL, fwevtq_handler, -1, NULL, 0,
 279                                rte_socket_id());
 280         return err;
 281 }
 282
 283 static int closest_timer(const struct sge *s, int time)
 284 {
 285         unsigned int i, match = 0;
 286         int delta, min_delta = INT_MAX;
 287
 288         for (i = 0; i < ARRAY_SIZE(s->timer_val); i++) {
 289                 delta = time - s->timer_val[i];
 290                 if (delta < 0)
 291                         delta = -delta;
 292                 if (delta < min_delta) {
 293                         min_delta = delta;
 294                         match = i;
 295                 }
 296         }
 297         return match;
 298 }
 299
 300 static int closest_thres(const struct sge *s, int thres)
 301 {
 302         unsigned int i, match = 0;
 303         int delta, min_delta = INT_MAX;
 304
 305         for (i = 0; i < ARRAY_SIZE(s->counter_val); i++) {
 306                 delta = thres - s->counter_val[i];
 307                 if (delta < 0)
 308                         delta = -delta;
 309                 if (delta < min_delta) {
 310                         min_delta = delta;
 311                         match = i;
 312                 }
 313         }
 314         return match;
 315 }
 316
 317 /**
 318  * cxgb4_set_rspq_intr_params - set a queue's interrupt holdoff parameters
 319  * @q: the Rx queue
 320  * @us: the hold-off time in us, or 0 to disable timer
 321  * @cnt: the hold-off packet count, or 0 to disable counter
 322  *
 323  * Sets an Rx queue's interrupt hold-off time and packet count.  At least
 324  * one of the two needs to be enabled for the queue to generate interrupts.
 325  */
 326 int cxgb4_set_rspq_intr_params(struct sge_rspq *q, unsigned int us,
 327                                unsigned int cnt)
 328 {
 329         struct adapter *adap = q->adapter;
 330         unsigned int timer_val;
 331
 332         if (cnt) {
 333                 int err;
 334                 u32 v, new_idx;
 335
 336                 new_idx = closest_thres(&adap->sge, cnt);
 337                 if (q->desc && q->pktcnt_idx != new_idx) {
 338                         /* the queue has already been created, update it */
 339                         v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DMAQ) |
 340                             V_FW_PARAMS_PARAM_X(
 341                             FW_PARAMS_PARAM_DMAQ_IQ_INTCNTTHRESH) |
 342                             V_FW_PARAMS_PARAM_YZ(q->cntxt_id);
 343                         err = t4_set_params(adap, adap->mbox, adap->pf, 0, 1,
 344                                             &v, &new_idx);
 345                         if (err)
 346                                 return err;
 347                 }
 348                 q->pktcnt_idx = new_idx;
 349         }
 350
 351         timer_val = (us == 0) ? X_TIMERREG_RESTART_COUNTER :
 352                                 closest_timer(&adap->sge, us);
 353
 354         if ((us | cnt) == 0)
 355                 q->intr_params = V_QINTR_TIMER_IDX(X_TIMERREG_UPDATE_CIDX);
 356         else
 357                 q->intr_params = V_QINTR_TIMER_IDX(timer_val) |
 358                                  V_QINTR_CNT_EN(cnt > 0);
 359         return 0;
 360 }
 361
 362 /**
 363  * Allocate an active-open TID and set it to the supplied value.
 364  */
 365 int cxgbe_alloc_atid(struct tid_info *t, void *data)
 366 {
 367         int atid = -1;
 368
 369         t4_os_lock(&t->atid_lock);
 370         if (t->afree) {
 371                 union aopen_entry *p = t->afree;
 372
 373                 atid = p - t->atid_tab;
 374                 t->afree = p->next;
 375                 p->data = data;
 376                 t->atids_in_use++;
 377         }
 378         t4_os_unlock(&t->atid_lock);
 379         return atid;
 380 }
 381
 382 /**
 383  * Release an active-open TID.
 384  */
 385 void cxgbe_free_atid(struct tid_info *t, unsigned int atid)
 386 {
 387         union aopen_entry *p = &t->atid_tab[atid];
 388
 389         t4_os_lock(&t->atid_lock);
 390         p->next = t->afree;
 391         t->afree = p;
 392         t->atids_in_use--;
 393         t4_os_unlock(&t->atid_lock);
 394 }
 395
 396 /**
 397  * Populate a TID_RELEASE WR.  Caller must properly size the skb.
 398  */
 399 static void mk_tid_release(struct rte_mbuf *mbuf, unsigned int tid)
 400 {
 401         struct cpl_tid_release *req;
 402
 403         req = rte_pktmbuf_mtod(mbuf, struct cpl_tid_release *);
 404         INIT_TP_WR_MIT_CPL(req, CPL_TID_RELEASE, tid);
 405 }
 406
 407 /**
 408  * Release a TID and inform HW.  If we are unable to allocate the release
 409  * message we defer to a work queue.
 410  */
 411 void cxgbe_remove_tid(struct tid_info *t, unsigned int chan, unsigned int tid,
 412                       unsigned short family)
 413 {
 414         struct rte_mbuf *mbuf;
 415         struct adapter *adap = container_of(t, struct adapter, tids);
 416
 417         WARN_ON(tid >= t->ntids);
 418
 419         if (t->tid_tab[tid]) {
 420                 t->tid_tab[tid] = NULL;
 421                 __atomic_sub_fetch(&t->conns_in_use, 1, __ATOMIC_RELAXED);
 422                 if (t->hash_base && tid >= t->hash_base) {
 423                         if (family == FILTER_TYPE_IPV4)
 424                                 __atomic_sub_fetch(&t->hash_tids_in_use, 1,
 425                                                    __ATOMIC_RELAXED);
 426                 } else {
 427                         if (family == FILTER_TYPE_IPV4)
 428                                 __atomic_sub_fetch(&t->tids_in_use, 1,
 429                                                    __ATOMIC_RELAXED);
 430                 }
 431         }
 432
 433         mbuf = rte_pktmbuf_alloc((&adap->sge.ctrlq[chan])->mb_pool);
 434         if (mbuf) {
 435                 mbuf->data_len = sizeof(struct cpl_tid_release);
 436                 mbuf->pkt_len = mbuf->data_len;
 437                 mk_tid_release(mbuf, tid);
 438                 t4_mgmt_tx(&adap->sge.ctrlq[chan], mbuf);
 439         }
 440 }
 441
 442 /**
 443  * Insert a TID.
 444  */
 445 void cxgbe_insert_tid(struct tid_info *t, void *data, unsigned int tid,
 446                       unsigned short family)
 447 {
 448         t->tid_tab[tid] = data;
 449         if (t->hash_base && tid >= t->hash_base) {
 450                 if (family == FILTER_TYPE_IPV4)
 451                         __atomic_add_fetch(&t->hash_tids_in_use, 1,
 452                                            __ATOMIC_RELAXED);
 453         } else {
 454                 if (family == FILTER_TYPE_IPV4)
 455                         __atomic_add_fetch(&t->tids_in_use, 1,
 456                                            __ATOMIC_RELAXED);
 457         }
 458
 459         __atomic_add_fetch(&t->conns_in_use, 1, __ATOMIC_RELAXED);
 460 }
 461
 462 /**
 463  * Free TID tables.
 464  */
 465 static void tid_free(struct tid_info *t)
 466 {
 467         if (t->tid_tab) {
 468                 rte_bitmap_free(t->ftid_bmap);
 469
 470                 if (t->ftid_bmap_array)
 471                         t4_os_free(t->ftid_bmap_array);
 472
 473                 t4_os_free(t->tid_tab);
 474         }
 475
 476         memset(t, 0, sizeof(struct tid_info));
 477 }
 478
 479 /**
 480  * Allocate and initialize the TID tables.  Returns 0 on success.
 481  */
 482 static int tid_init(struct tid_info *t)
 483 {
 484         size_t size;
 485         unsigned int ftid_bmap_size;
 486         unsigned int natids = t->natids;
 487         unsigned int max_ftids = t->nftids;
 488
 489         ftid_bmap_size = rte_bitmap_get_memory_footprint(t->nftids);
 490         size = t->ntids * sizeof(*t->tid_tab) +
 491                 max_ftids * sizeof(*t->ftid_tab) +
 492                 natids * sizeof(*t->atid_tab);
 493
 494         t->tid_tab = t4_os_alloc(size);
 495         if (!t->tid_tab)
 496                 return -ENOMEM;
 497
 498         t->atid_tab = (union aopen_entry *)&t->tid_tab[t->ntids];
 499         t->ftid_tab = (struct filter_entry *)&t->atid_tab[t->natids];
 500         t->ftid_bmap_array = t4_os_alloc(ftid_bmap_size);
 501         if (!t->ftid_bmap_array) {
 502                 tid_free(t);
 503                 return -ENOMEM;
 504         }
 505
 506         t4_os_lock_init(&t->atid_lock);
 507         t4_os_lock_init(&t->ftid_lock);
 508
 509         t->afree = NULL;
 510         t->atids_in_use = 0;
 511         t->tids_in_use = 0;
 512         t->conns_in_use = 0;
 513
 514         /* Setup the free list for atid_tab and clear the stid bitmap. */
 515         if (natids) {
 516                 while (--natids)
 517                         t->atid_tab[natids - 1].next = &t->atid_tab[natids];
 518                 t->afree = t->atid_tab;
 519         }
 520
 521         t->ftid_bmap = rte_bitmap_init(t->nftids, t->ftid_bmap_array,
 522                                        ftid_bmap_size);
 523         if (!t->ftid_bmap) {
 524                 tid_free(t);
 525                 return -ENOMEM;
 526         }
 527
 528         return 0;
 529 }
 530
 531 static inline void init_rspq(struct adapter *adap, struct sge_rspq *q,
 532                       unsigned int us, unsigned int cnt,
 533                       unsigned int size, unsigned int iqe_size)
 534 {
 535         q->adapter = adap;
 536         cxgb4_set_rspq_intr_params(q, us, cnt);
 537         q->iqe_len = iqe_size;
 538         q->size = size;
 539 }
 540
 541 int cxgbe_cfg_queue_count(struct rte_eth_dev *eth_dev)
 542 {
 543         struct port_info *temp_pi, *pi = eth_dev->data->dev_private;
 544         struct adapter *adap = pi->adapter;
 545         u16 first_txq = 0, first_rxq = 0;
 546         struct sge *s = &adap->sge;
 547         u16 i, max_rxqs, max_txqs;
 548
 549         max_rxqs = s->max_ethqsets;
 550         max_txqs = s->max_ethqsets;
 551         for_each_port(adap, i) {
 552                 temp_pi = adap2pinfo(adap, i);
 553                 if (i == pi->port_id)
 554                         break;
 555
 556                 if (max_rxqs <= temp_pi->n_rx_qsets ||
 557                     max_txqs <= temp_pi->n_tx_qsets)
 558                         return -ENOMEM;
 559
 560                 first_rxq += temp_pi->n_rx_qsets;
 561                 first_txq += temp_pi->n_tx_qsets;
 562                 max_rxqs -= temp_pi->n_rx_qsets;
 563                 max_txqs -= temp_pi->n_tx_qsets;
 564         }
 565
 566         if ((eth_dev->data->nb_rx_queues < 1) ||
 567             (eth_dev->data->nb_tx_queues < 1))
 568                 return -EINVAL;
 569
 570         if (eth_dev->data->nb_rx_queues > max_rxqs ||
 571             eth_dev->data->nb_tx_queues > max_txqs)
 572                 return -EINVAL;
 573
 574         /* We must configure RSS, since config has changed*/
 575         pi->flags &= ~PORT_RSS_DONE;
 576
 577         pi->n_rx_qsets = eth_dev->data->nb_rx_queues;
 578         pi->n_tx_qsets = eth_dev->data->nb_tx_queues;
 579         pi->first_rxqset = first_rxq;
 580         pi->first_txqset = first_txq;
 581
 582         return 0;
 583 }
 584
 585 void cxgbe_cfg_queues_free(struct adapter *adap)
 586 {
 587         if (adap->sge.ethtxq) {
 588                 rte_free(adap->sge.ethtxq);
 589                 adap->sge.ethtxq = NULL;
 590         }
 591
 592         if (adap->sge.ethrxq) {
 593                 rte_free(adap->sge.ethrxq);
 594                 adap->sge.ethrxq = NULL;
 595         }
 596
 597         adap->flags &= ~CFG_QUEUES;
 598 }
 599
 600 int cxgbe_cfg_queues(struct rte_eth_dev *eth_dev)
 601 {
 602         struct port_info *pi = eth_dev->data->dev_private;
 603         struct adapter *adap = pi->adapter;
 604         struct sge *s = &adap->sge;
 605         u16 i;
 606
 607         if (!(adap->flags & CFG_QUEUES)) {
 608                 s->ethrxq = rte_calloc_socket(NULL, s->max_ethqsets,
 609                                               sizeof(struct sge_eth_rxq), 0,
 610                                               rte_socket_id());
 611                 if (!s->ethrxq)
 612                         return -ENOMEM;
 613
 614                 s->ethtxq = rte_calloc_socket(NULL, s->max_ethqsets,
 615                                               sizeof(struct sge_eth_txq), 0,
 616                                               rte_socket_id());
 617                 if (!s->ethtxq) {
 618                         rte_free(s->ethrxq);
 619                         s->ethrxq = NULL;
 620                         return -ENOMEM;
 621                 }
 622
 623                 for (i = 0; i < s->max_ethqsets; i++) {
 624                         struct sge_eth_rxq *r = &s->ethrxq[i];
 625                         struct sge_eth_txq *t = &s->ethtxq[i];
 626
 627                         init_rspq(adap, &r->rspq, 5, 32, 1024, 64);
 628                         r->fl.size = 1024;
 629
 630                         t->q.size = 1024;
 631                 }
 632
 633                 init_rspq(adap, &adap->sge.fw_evtq, 0, 0, 1024, 64);
 634                 adap->flags |= CFG_QUEUES;
 635         }
 636
 637         return 0;
 638 }
 639
 640 void cxgbe_stats_get(struct port_info *pi, struct port_stats *stats)
 641 {
 642         t4_get_port_stats_offset(pi->adapter, pi->tx_chan, stats,
 643                                  &pi->stats_base);
 644 }
 645
 646 void cxgbe_stats_reset(struct port_info *pi)
 647 {
 648         t4_clr_port_stats(pi->adapter, pi->tx_chan);
 649 }
 650
 651 static void setup_memwin(struct adapter *adap)
 652 {
 653         u32 mem_win0_base;
 654
 655         /* For T5, only relative offset inside the PCIe BAR is passed */
 656         mem_win0_base = MEMWIN0_BASE;
 657
 658         /*
 659          * Set up memory window for accessing adapter memory ranges.  (Read
 660          * back MA register to ensure that changes propagate before we attempt
 661          * to use the new values.)
 662          */
 663         t4_write_reg(adap,
 664                      PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN,
 665                                          MEMWIN_NIC),
 666                      mem_win0_base | V_BIR(0) |
 667                      V_WINDOW(ilog2(MEMWIN0_APERTURE) - X_WINDOW_SHIFT));
 668         t4_read_reg(adap,
 669                     PCIE_MEM_ACCESS_REG(A_PCIE_MEM_ACCESS_BASE_WIN,
 670                                         MEMWIN_NIC));
 671 }
 672
 673 int cxgbe_init_rss(struct adapter *adap)
 674 {
 675         unsigned int i;
 676
 677         if (is_pf4(adap)) {
 678                 int err;
 679
 680                 err = t4_init_rss_mode(adap, adap->mbox);
 681                 if (err)
 682                         return err;
 683         }
 684
 685         for_each_port(adap, i) {
 686                 struct port_info *pi = adap2pinfo(adap, i);
 687
 688                 pi->rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0);
 689                 if (!pi->rss)
 690                         return -ENOMEM;
 691
 692                 pi->rss_hf = CXGBE_RSS_HF_ALL;
 693         }
 694         return 0;
 695 }
 696
 697 /**
 698  * Dump basic information about the adapter.
 699  */
 700 void cxgbe_print_adapter_info(struct adapter *adap)
 701 {
 702         /**
 703          * Hardware/Firmware/etc. Version/Revision IDs.
 704          */
 705         t4_dump_version_info(adap);
 706 }
 707
 708 void cxgbe_print_port_info(struct adapter *adap)
 709 {
 710         int i;
 711         char buf[80];
 712         struct rte_pci_addr *loc = &adap->pdev->addr;
 713
 714         for_each_port(adap, i) {
 715                 const struct port_info *pi = adap2pinfo(adap, i);
 716                 char *bufp = buf;
 717
 718                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100M)
 719                         bufp += sprintf(bufp, "100M/");
 720                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_1G)
 721                         bufp += sprintf(bufp, "1G/");
 722                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_10G)
 723                         bufp += sprintf(bufp, "10G/");
 724                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_25G)
 725                         bufp += sprintf(bufp, "25G/");
 726                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_40G)
 727                         bufp += sprintf(bufp, "40G/");
 728                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_50G)
 729                         bufp += sprintf(bufp, "50G/");
 730                 if (pi->link_cfg.pcaps & FW_PORT_CAP32_SPEED_100G)
 731                         bufp += sprintf(bufp, "100G/");
 732                 if (bufp != buf)
 733                         --bufp;
 734                 sprintf(bufp, "BASE-%s",
 735                         t4_get_port_type_description(
 736                                 (enum fw_port_type)pi->link_cfg.port_type));
 737
 738                 dev_info(adap,
 739                          " " PCI_PRI_FMT " Chelsio rev %d %s %s\n",
 740                          loc->domain, loc->bus, loc->devid, loc->function,
 741                          CHELSIO_CHIP_RELEASE(adap->params.chip), buf,
 742                          (adap->flags & USING_MSIX) ? " MSI-X" :
 743                          (adap->flags & USING_MSI) ? " MSI" : "");
 744         }
 745 }
 746
 747 static int check_devargs_handler(const char *key, const char *value, void *p)
 748 {
 749         if (!strncmp(key, CXGBE_DEVARG_CMN_KEEP_OVLAN, strlen(key)) ||
 750             !strncmp(key, CXGBE_DEVARG_CMN_TX_MODE_LATENCY, strlen(key)) ||
 751             !strncmp(key, CXGBE_DEVARG_VF_FORCE_LINK_UP, strlen(key))) {
 752                 if (!strncmp(value, "1", 1)) {
 753                         bool *dst_val = (bool *)p;
 754
 755                         *dst_val = true;
 756                 }
 757         }
 758
 759         if (!strncmp(key, CXGBE_DEVARG_PF_FILTER_MODE, strlen(key)) ||
 760             !strncmp(key, CXGBE_DEVARG_PF_FILTER_MASK, strlen(key))) {
 761                 u32 *dst_val = (u32 *)p;
 762                 char *endptr = NULL;
 763                 u32 arg_val;
 764
 765                 arg_val = strtoul(value, &endptr, 16);
 766                 if (errno || endptr == value)
 767                         return -EINVAL;
 768
 769                 *dst_val = arg_val;
 770         }
 771
 772         return 0;
 773 }
 774
 775 static int cxgbe_get_devargs(struct rte_devargs *devargs, const char *key,
 776                              void *p)
 777 {
 778         struct rte_kvargs *kvlist;
 779         int ret = 0;
 780
 781         if (!devargs)
 782                 return 0;
 783
 784         kvlist = rte_kvargs_parse(devargs->args, NULL);
 785         if (!kvlist)
 786                 return 0;
 787
 788         if (!rte_kvargs_count(kvlist, key))
 789                 goto out;
 790
 791         ret = rte_kvargs_process(kvlist, key, check_devargs_handler, p);
 792
 793 out:
 794         rte_kvargs_free(kvlist);
 795
 796         return ret;
 797 }
 798
 799 static void cxgbe_get_devargs_int(struct adapter *adap, bool *dst,
 800                                   const char *key, bool default_value)
 801 {
 802         struct rte_pci_device *pdev = adap->pdev;
 803         int ret;
 804         bool devarg_value = default_value;
 805
 806         *dst = default_value;
 807         if (!pdev)
 808                 return;
 809
 810         ret = cxgbe_get_devargs(pdev->device.devargs, key, &devarg_value);
 811         if (ret)
 812                 return;
 813
 814         *dst = devarg_value;
 815 }
 816
 817 static void cxgbe_get_devargs_u32(struct adapter *adap, u32 *dst,
 818                                   const char *key, u32 default_value)
 819 {
 820         struct rte_pci_device *pdev = adap->pdev;
 821         u32 devarg_value = default_value;
 822         int ret;
 823
 824         *dst = default_value;
 825         if (!pdev)
 826                 return;
 827
 828         ret = cxgbe_get_devargs(pdev->device.devargs, key, &devarg_value);
 829         if (ret)
 830                 return;
 831
 832         *dst = devarg_value;
 833 }
 834
 835 void cxgbe_process_devargs(struct adapter *adap)
 836 {
 837         cxgbe_get_devargs_int(adap, &adap->devargs.keep_ovlan,
 838                               CXGBE_DEVARG_CMN_KEEP_OVLAN, false);
 839         cxgbe_get_devargs_int(adap, &adap->devargs.tx_mode_latency,
 840                               CXGBE_DEVARG_CMN_TX_MODE_LATENCY, false);
 841         cxgbe_get_devargs_int(adap, &adap->devargs.force_link_up,
 842                               CXGBE_DEVARG_VF_FORCE_LINK_UP, false);
 843         cxgbe_get_devargs_u32(adap, &adap->devargs.filtermode,
 844                               CXGBE_DEVARG_PF_FILTER_MODE, 0);
 845         cxgbe_get_devargs_u32(adap, &adap->devargs.filtermask,
 846                               CXGBE_DEVARG_PF_FILTER_MASK, 0);
 847 }
 848
 849 static void configure_vlan_types(struct adapter *adapter)
 850 {
 851         int i;
 852
 853         for_each_port(adapter, i) {
 854                 /* OVLAN Type 0x88a8 */
 855                 t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN0),
 856                                  V_OVLAN_MASK(M_OVLAN_MASK) |
 857                                  V_OVLAN_ETYPE(M_OVLAN_ETYPE),
 858                                  V_OVLAN_MASK(M_OVLAN_MASK) |
 859                                  V_OVLAN_ETYPE(0x88a8));
 860                 /* OVLAN Type 0x9100 */
 861                 t4_set_reg_field(adapter, MPS_PORT_RX_OVLAN_REG(i, A_RX_OVLAN1),
 862                                  V_OVLAN_MASK(M_OVLAN_MASK) |
 863                                  V_OVLAN_ETYPE(M_OVLAN_ETYPE),
 864                                  V_OVLAN_MASK(M_OVLAN_MASK) |
 865                                  V_OVLAN_ETYPE(0x9100));
 866
 867                 /* IVLAN 0X8100 */
 868                 t4_set_reg_field(adapter, MPS_PORT_RX_IVLAN(i),
 869                                  V_IVLAN_ETYPE(M_IVLAN_ETYPE),
 870                                  V_IVLAN_ETYPE(0x8100));
 871
 872                 t4_set_reg_field(adapter, MPS_PORT_RX_CTL(i),
 873                                  F_OVLAN_EN0 | F_OVLAN_EN1 |
 874                                  F_IVLAN_EN,
 875                                  F_OVLAN_EN0 | F_OVLAN_EN1 |
 876                                  F_IVLAN_EN);
 877         }
 878
 879         t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG, V_RM_OVLAN(1),
 880                                V_RM_OVLAN(!adapter->devargs.keep_ovlan));
 881 }
 882
 883 static int cxgbe_get_filter_vnic_mode_from_devargs(u32 val)
 884 {
 885         u32 vnic_mode;
 886
 887         vnic_mode = val & (CXGBE_DEVARGS_FILTER_MODE_PF_VF |
 888                            CXGBE_DEVARGS_FILTER_MODE_VLAN_OUTER);
 889         if (vnic_mode) {
 890                 switch (vnic_mode) {
 891                 case CXGBE_DEVARGS_FILTER_MODE_VLAN_OUTER:
 892                         return CXGBE_FILTER_VNIC_MODE_OVLAN;
 893                 case CXGBE_DEVARGS_FILTER_MODE_PF_VF:
 894                         return CXGBE_FILTER_VNIC_MODE_PFVF;
 895                 default:
 896                         return -EINVAL;
 897                 }
 898         }
 899
 900         return CXGBE_FILTER_VNIC_MODE_NONE;
 901 }
 902
 903 static int cxgbe_get_filter_mode_from_devargs(u32 val, bool closest_match)
 904 {
 905         int vnic_mode, fmode = 0;
 906         bool found = false;
 907         u8 i;
 908
 909         if (val >= CXGBE_DEVARGS_FILTER_MODE_MAX) {
 910                 pr_err("Unsupported flags set in filter mode. Must be < 0x%x\n",
 911                        CXGBE_DEVARGS_FILTER_MODE_MAX);
 912                 return -ERANGE;
 913         }
 914
 915         vnic_mode = cxgbe_get_filter_vnic_mode_from_devargs(val);
 916         if (vnic_mode < 0) {
 917                 pr_err("Unsupported Vnic-mode, more than 1 Vnic-mode selected\n");
 918                 return vnic_mode;
 919         }
 920
 921         if (vnic_mode)
 922                 fmode |= F_VNIC_ID;
 923         if (val & CXGBE_DEVARGS_FILTER_MODE_PHYSICAL_PORT)
 924                 fmode |= F_PORT;
 925         if (val & CXGBE_DEVARGS_FILTER_MODE_ETHERNET_DSTMAC)
 926                 fmode |= F_MACMATCH;
 927         if (val & CXGBE_DEVARGS_FILTER_MODE_ETHERNET_ETHTYPE)
 928                 fmode |= F_ETHERTYPE;
 929         if (val & CXGBE_DEVARGS_FILTER_MODE_VLAN_INNER)
 930                 fmode |= F_VLAN;
 931         if (val & CXGBE_DEVARGS_FILTER_MODE_IP_TOS)
 932                 fmode |= F_TOS;
 933         if (val & CXGBE_DEVARGS_FILTER_MODE_IP_PROTOCOL)
 934                 fmode |= F_PROTOCOL;
 935
 936         for (i = 0; i < ARRAY_SIZE(cxgbe_filter_mode_features); i++) {
 937                 if ((cxgbe_filter_mode_features[i] & fmode) == fmode) {
 938                         found = true;
 939                         break;
 940                 }
 941         }
 942
 943         if (!found)
 944                 return -EINVAL;
 945
 946         return closest_match ? cxgbe_filter_mode_features[i] : fmode;
 947 }
 948
 949 static int configure_filter_mode_mask(struct adapter *adap)
 950 {
 951         u32 params[2], val[2], nparams = 0;
 952         int ret;
 953
 954         if (!adap->devargs.filtermode && !adap->devargs.filtermask)
 955                 return 0;
 956
 957         if (!adap->devargs.filtermode || !adap->devargs.filtermask) {
 958                 pr_err("Unsupported, Provide both filtermode and filtermask devargs\n");
 959                 return -EINVAL;
 960         }
 961
 962         if (adap->devargs.filtermask & ~adap->devargs.filtermode) {
 963                 pr_err("Unsupported, filtermask (0x%x) must be subset of filtermode (0x%x)\n",
 964                        adap->devargs.filtermask, adap->devargs.filtermode);
 965
 966                 return -EINVAL;
 967         }
 968
 969         params[0] = CXGBE_FW_PARAM_DEV(FILTER) |
 970                     V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_MODE_MASK);
 971
 972         ret = cxgbe_get_filter_mode_from_devargs(adap->devargs.filtermode,
 973                                                  true);
 974         if (ret < 0) {
 975                 pr_err("Unsupported filtermode devargs combination:0x%x\n",
 976                        adap->devargs.filtermode);
 977                 return ret;
 978         }
 979
 980         val[0] = V_FW_PARAMS_PARAM_FILTER_MODE(ret);
 981
 982         ret = cxgbe_get_filter_mode_from_devargs(adap->devargs.filtermask,
 983                                                  false);
 984         if (ret < 0) {
 985                 pr_err("Unsupported filtermask devargs combination:0x%x\n",
 986                        adap->devargs.filtermask);
 987                 return ret;
 988         }
 989
 990         val[0] |= V_FW_PARAMS_PARAM_FILTER_MASK(ret);
 991
 992         nparams++;
 993
 994         ret = cxgbe_get_filter_vnic_mode_from_devargs(adap->devargs.filtermode);
 995         if (ret < 0)
 996                 return ret;
 997
 998         if (ret) {
 999                 params[1] = CXGBE_FW_PARAM_DEV(FILTER) |
1000                             V_FW_PARAMS_PARAM_Y(FW_PARAM_DEV_FILTER_VNIC_MODE);
1001
1002                 val[1] = ret - 1;
1003
1004                 nparams++;
1005         }
1006
1007         return t4_set_params(adap, adap->mbox, adap->pf, 0, nparams,
1008                              params, val);
1009 }
1010
1011 #define CXGBE_FW_CONFIG_PATH_T5 "/lib/firmware/cxgb4/t5-config.txt"
1012 #define CXGBE_FW_CONFIG_PATH_T6 "/lib/firmware/cxgb4/t6-config.txt"
1013
1014 /*
1015  * Load firmware configuration from file in /lib/firmware/cxgb4/ path,
1016  * if it is present.
1017  */
1018 static int cxgbe_load_fw_config_from_filesystem(struct adapter *adap,
1019                                                 const char **config_name,
1020                                                 u32 *mem_type, u32 *mem_addr)
1021 {
1022         u32 param, val, mtype, maddr;
1023         const char *fw_cfg_path;
1024         char *fw_cfg = NULL;
1025         struct stat st;
1026         int ret, fd;
1027
1028         switch (CHELSIO_CHIP_VERSION(adap->params.chip)) {
1029         case CHELSIO_T5:
1030                 fw_cfg_path = CXGBE_FW_CONFIG_PATH_T5;
1031                 break;
1032         case CHELSIO_T6:
1033                 fw_cfg_path = CXGBE_FW_CONFIG_PATH_T6;
1034                 break;
1035         default:
1036                 return -ENOENT;
1037         }
1038
1039         ret = open(fw_cfg_path, O_RDONLY);
1040         if (ret < 0) {
1041                 dev_debug(adap, "Couldn't open FW config file\n");
1042                 return ret;
1043         }
1044
1045         fd = ret;
1046
1047         ret = fstat(fd, &st);
1048         if (ret < 0) {
1049                 dev_debug(adap, "Couldn't get FW config file size\n");
1050                 goto out_err;
1051         }
1052
1053         if (st.st_size >= FLASH_CFG_MAX_SIZE) {
1054                 dev_debug(adap, "FW config file size >= max(%u)\n",
1055                           FLASH_CFG_MAX_SIZE);
1056                 ret = -ENOMEM;
1057                 goto out_err;
1058         }
1059
1060         fw_cfg = rte_zmalloc(NULL, st.st_size, 0);
1061         if (fw_cfg == NULL) {
1062                 ret = -ENOMEM;
1063                 goto out_err;
1064         }
1065
1066         if (read(fd, fw_cfg, st.st_size) != st.st_size) {
1067                 dev_debug(adap, "Couldn't read FW config file data\n");
1068                 ret = -EIO;
1069                 goto out_err;
1070         }
1071
1072         close(fd);
1073
1074         /* Send it to FW to verify and update to new configuration */
1075         param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
1076                 V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_CF);
1077         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
1078         if (ret < 0) {
1079                 dev_debug(adap, "FW config param query failed: %d\n", ret);
1080                 goto out_free;
1081         }
1082
1083         mtype = val >> 8;
1084         maddr = (val & 0xff) << 16;
1085
1086         t4_os_lock(&adap->win0_lock);
1087         ret = t4_memory_rw(adap, MEMWIN_NIC, mtype, maddr, st.st_size,
1088                            fw_cfg, T4_MEMORY_WRITE);
1089         t4_os_unlock(&adap->win0_lock);
1090         if (ret < 0) {
1091                 dev_debug(adap, "FW config file update failed: %d\n", ret);
1092                 goto out_free;
1093         }
1094
1095         rte_free(fw_cfg);
1096
1097         *mem_type = mtype;
1098         *mem_addr = maddr;
1099         *config_name = fw_cfg_path;
1100         return 0;
1101
1102 out_err:
1103         close(fd);
1104 out_free:
1105         rte_free(fw_cfg);
1106         return ret;
1107 }
1108
1109 static int cxgbe_load_fw_config(struct adapter *adap)
1110 {
1111         u32 finiver, finicsum, cfcsum, mtype, maddr, param, val;
1112         struct fw_caps_config_cmd caps_cmd = { 0 };
1113         const char *config_name = NULL;
1114         int ret;
1115
1116         ret = cxgbe_load_fw_config_from_filesystem(adap, &config_name,
1117                                                    &mtype, &maddr);
1118         if (ret < 0) {
1119                 config_name = "On Flash";
1120
1121                 ret = t4_flash_cfg_addr(adap);
1122                 if (ret < 0) {
1123                         dev_warn(adap,
1124                                  "Finding address for FW config file in flash failed: %d\n",
1125                                  ret);
1126                         goto out_default_config;
1127                 }
1128
1129                 mtype = FW_MEMTYPE_CF_FLASH;
1130                 maddr = ret;
1131         }
1132
1133         /* Enable HASH filter region when support is available. */
1134         val = 1;
1135         param = CXGBE_FW_PARAM_DEV(HASHFILTER_WITH_OFLD);
1136         t4_set_params(adap, adap->mbox, adap->pf, 0, 1, &param, &val);
1137
1138         /*
1139          * Issue a Capability Configuration command to the firmware to get it
1140          * to parse the Configuration File.
1141          */
1142         caps_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
1143                                            F_FW_CMD_REQUEST | F_FW_CMD_READ);
1144         caps_cmd.cfvalid_to_len16 =
1145                 cpu_to_be32(F_FW_CAPS_CONFIG_CMD_CFVALID |
1146                             V_FW_CAPS_CONFIG_CMD_MEMTYPE_CF(mtype) |
1147                             V_FW_CAPS_CONFIG_CMD_MEMADDR64K_CF(maddr >> 16) |
1148                             FW_LEN16(caps_cmd));
1149         ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
1150                          &caps_cmd);
1151
1152 out_default_config:
1153         /*
1154          * If the CAPS_CONFIG failed with an ENOENT (for a Firmware
1155          * Configuration File in filesystem or FLASH), our last gasp
1156          * effort is to use the Firmware Configuration File which is
1157          * embedded in the firmware.
1158          */
1159         if (ret == -ENOENT) {
1160                 config_name = "Firmware Default";
1161
1162                 memset(&caps_cmd, 0, sizeof(caps_cmd));
1163                 caps_cmd.op_to_write =
1164                         cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
1165                                     F_FW_CMD_REQUEST | F_FW_CMD_READ);
1166                 caps_cmd.cfvalid_to_len16 = cpu_to_be32(FW_LEN16(caps_cmd));
1167                 ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
1168                                  &caps_cmd);
1169         }
1170
1171         if (ret < 0) {
1172                 dev_info(adap,
1173                          "Failed to configure using %s Firmware Configuration file: %d\n",
1174                          config_name, ret);
1175                 return ret;
1176         }
1177
1178         finiver = be32_to_cpu(caps_cmd.finiver);
1179         finicsum = be32_to_cpu(caps_cmd.finicsum);
1180         cfcsum = be32_to_cpu(caps_cmd.cfcsum);
1181         if (finicsum != cfcsum)
1182                 dev_warn(adap,
1183                          "Configuration File checksum mismatch: [fini] csum=0x%x, computed csum=0x%x\n",
1184                          finicsum, cfcsum);
1185
1186         /*
1187          * If we're a pure NIC driver then disable all offloading facilities.
1188          * This will allow the firmware to optimize aspects of the hardware
1189          * configuration which will result in improved performance.
1190          */
1191         caps_cmd.niccaps &= cpu_to_be16(~FW_CAPS_CONFIG_NIC_ETHOFLD);
1192         caps_cmd.toecaps = 0;
1193         caps_cmd.iscsicaps = 0;
1194         caps_cmd.rdmacaps = 0;
1195         caps_cmd.fcoecaps = 0;
1196         caps_cmd.cryptocaps = 0;
1197
1198         /*
1199          * And now tell the firmware to use the configuration we just loaded.
1200          */
1201         caps_cmd.op_to_write = cpu_to_be32(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
1202                                            F_FW_CMD_REQUEST | F_FW_CMD_WRITE);
1203         caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd));
1204         ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
1205                          NULL);
1206         if (ret < 0) {
1207                 dev_warn(adap, "Unable to finalize Firmware Capabilities %d\n",
1208                          ret);
1209                 return ret;
1210         }
1211
1212         /*
1213          * Return successfully and note that we're operating with parameters
1214          * not supplied by the driver, rather than from hard-wired
1215          * initialization constants buried in the driver.
1216          */
1217         dev_info(adap,
1218                  "Successfully configured using Firmware Configuration File \"%s\", version: 0x%x, computed csum: 0x%x\n",
1219                  config_name, finiver, cfcsum);
1220         return 0;
1221 }
1222
1223 static void configure_pcie_ext_tag(struct adapter *adapter)
1224 {
1225         u16 v;
1226         int pos = t4_os_find_pci_capability(adapter, PCI_CAP_ID_EXP);
1227
1228         if (!pos)
1229                 return;
1230
1231         if (pos > 0) {
1232                 t4_os_pci_read_cfg2(adapter, pos + PCI_EXP_DEVCTL, &v);
1233                 v |= PCI_EXP_DEVCTL_EXT_TAG;
1234                 t4_os_pci_write_cfg2(adapter, pos + PCI_EXP_DEVCTL, v);
1235                 if (is_t6(adapter->params.chip)) {
1236                         t4_set_reg_field(adapter, A_PCIE_CFG2,
1237                                          V_T6_TOTMAXTAG(M_T6_TOTMAXTAG),
1238                                          V_T6_TOTMAXTAG(7));
1239                         t4_set_reg_field(adapter, A_PCIE_CMD_CFG,
1240                                          V_T6_MINTAG(M_T6_MINTAG),
1241                                          V_T6_MINTAG(8));
1242                 } else {
1243                         t4_set_reg_field(adapter, A_PCIE_CFG2,
1244                                          V_TOTMAXTAG(M_TOTMAXTAG),
1245                                          V_TOTMAXTAG(3));
1246                         t4_set_reg_field(adapter, A_PCIE_CMD_CFG,
1247                                          V_MINTAG(M_MINTAG),
1248                                          V_MINTAG(8));
1249                 }
1250         }
1251 }
1252
1253 /* Figure out how many Queue Sets we can support */
1254 void cxgbe_configure_max_ethqsets(struct adapter *adapter)
1255 {
1256         unsigned int ethqsets, reserved;
1257
1258         /* We need to reserve an Ingress Queue for the Asynchronous Firmware
1259          * Event Queue and 1 Control Queue per port.
1260          *
1261          * For each Queue Set, we'll need the ability to allocate two Egress
1262          * Contexts -- one for the Ingress Queue Free List and one for the TX
1263          * Ethernet Queue.
1264          */
1265         reserved = max(adapter->params.nports, 1);
1266         if (is_pf4(adapter)) {
1267                 struct pf_resources *pfres = &adapter->params.pfres;
1268
1269                 ethqsets = min(pfres->niqflint, pfres->nethctrl);
1270                 if (ethqsets > (pfres->neq / 2))
1271                         ethqsets = pfres->neq / 2;
1272         } else {
1273                 struct vf_resources *vfres = &adapter->params.vfres;
1274
1275                 ethqsets = min(vfres->niqflint, vfres->nethctrl);
1276                 if (ethqsets > (vfres->neq / 2))
1277                         ethqsets = vfres->neq / 2;
1278         }
1279
1280         ethqsets -= reserved;
1281         adapter->sge.max_ethqsets = ethqsets;
1282 }
1283
1284 /*
1285  * Tweak configuration based on system architecture, etc.  Most of these have
1286  * defaults assigned to them by Firmware Configuration Files (if we're using
1287  * them) but need to be explicitly set if we're using hard-coded
1288  * initialization. So these are essentially common tweaks/settings for
1289  * Configuration Files and hard-coded initialization ...
1290  */
1291 static int adap_init0_tweaks(struct adapter *adapter)
1292 {
1293         u8 rx_dma_offset;
1294
1295         /*
1296          * Fix up various Host-Dependent Parameters like Page Size, Cache
1297          * Line Size, etc.  The firmware default is for a 4KB Page Size and
1298          * 64B Cache Line Size ...
1299          */
1300         t4_fixup_host_params_compat(adapter, CXGBE_PAGE_SIZE, L1_CACHE_BYTES,
1301                                     T5_LAST_REV);
1302
1303         /*
1304          * Keep the chip default offset to deliver Ingress packets into our
1305          * DMA buffers to zero
1306          */
1307         rx_dma_offset = 0;
1308         t4_set_reg_field(adapter, A_SGE_CONTROL, V_PKTSHIFT(M_PKTSHIFT),
1309                          V_PKTSHIFT(rx_dma_offset));
1310
1311         t4_set_reg_field(adapter, A_SGE_FLM_CFG,
1312                          V_CREDITCNT(M_CREDITCNT) | M_CREDITCNTPACKING,
1313                          V_CREDITCNT(3) | V_CREDITCNTPACKING(1));
1314
1315         t4_set_reg_field(adapter, A_SGE_INGRESS_RX_THRESHOLD,
1316                          V_THRESHOLD_3(M_THRESHOLD_3), V_THRESHOLD_3(32U));
1317
1318         t4_set_reg_field(adapter, A_SGE_CONTROL2, V_IDMAARBROUNDROBIN(1U),
1319                          V_IDMAARBROUNDROBIN(1U));
1320
1321         /*
1322          * Don't include the "IP Pseudo Header" in CPL_RX_PKT checksums: Linux
1323          * adds the pseudo header itself.
1324          */
1325         t4_tp_wr_bits_indirect(adapter, A_TP_INGRESS_CONFIG,
1326                                F_CSUM_HAS_PSEUDO_HDR, 0);
1327
1328         return 0;
1329 }
1330
1331 /*
1332  * Attempt to initialize the adapter via a Firmware Configuration File.
1333  */
1334 static int adap_init0_config(struct adapter *adapter, int reset)
1335 {
1336         int ret;
1337
1338         /*
1339          * Reset device if necessary.
1340          */
1341         if (reset) {
1342                 ret = t4_fw_reset(adapter, adapter->mbox,
1343                                   F_PIORSTMODE | F_PIORST);
1344                 if (ret < 0) {
1345                         dev_warn(adapter, "Firmware reset failed, error %d\n",
1346                                  -ret);
1347                         goto bye;
1348                 }
1349         }
1350
1351         ret = cxgbe_load_fw_config(adapter);
1352         if (ret < 0)
1353                 goto bye;
1354
1355         /*
1356          * Tweak configuration based on system architecture, etc.
1357          */
1358         ret = adap_init0_tweaks(adapter);
1359         if (ret < 0) {
1360                 dev_warn(adapter, "Unable to do init0-tweaks %d\n", -ret);
1361                 goto bye;
1362         }
1363
1364         /*
1365          * And finally tell the firmware to initialize itself using the
1366          * parameters from the Configuration File.
1367          */
1368         ret = t4_fw_initialize(adapter, adapter->mbox);
1369         if (ret < 0) {
1370                 dev_warn(adapter, "Initializing Firmware failed, error %d\n",
1371                          -ret);
1372                 goto bye;
1373         }
1374
1375         return 0;
1376
1377 bye:
1378         dev_debug(adapter, "%s: returning ret = %d ..\n", __func__, ret);
1379         return ret;
1380 }
1381
1382 static int adap_init0(struct adapter *adap)
1383 {
1384         struct fw_caps_config_cmd caps_cmd;
1385         int ret = 0;
1386         u32 v, port_vec;
1387         enum dev_state state;
1388         u32 params[7], val[7];
1389         int reset = 1;
1390         int mbox = adap->mbox;
1391
1392         /*
1393          * Contact FW, advertising Master capability.
1394          */
1395         ret = t4_fw_hello(adap, adap->mbox, adap->mbox, MASTER_MAY, &state);
1396         if (ret < 0) {
1397                 dev_err(adap, "%s: could not connect to FW, error %d\n",
1398                         __func__, -ret);
1399                 goto bye;
1400         }
1401
1402         CXGBE_DEBUG_MBOX(adap, "%s: adap->mbox = %d; ret = %d\n", __func__,
1403                          adap->mbox, ret);
1404
1405         if (ret == mbox)
1406                 adap->flags |= MASTER_PF;
1407
1408         if (state == DEV_STATE_INIT) {
1409                 /*
1410                  * Force halt and reset FW because a previous instance may have
1411                  * exited abnormally without properly shutting down
1412                  */
1413                 ret = t4_fw_halt(adap, adap->mbox, reset);
1414                 if (ret < 0) {
1415                         dev_err(adap, "Failed to halt. Exit.\n");
1416                         goto bye;
1417                 }
1418
1419                 ret = t4_fw_restart(adap, adap->mbox, reset);
1420                 if (ret < 0) {
1421                         dev_err(adap, "Failed to restart. Exit.\n");
1422                         goto bye;
1423                 }
1424                 state = (enum dev_state)((unsigned)state & ~DEV_STATE_INIT);
1425         }
1426
1427         t4_get_version_info(adap);
1428
1429         ret = t4_get_core_clock(adap, &adap->params.vpd);
1430         if (ret < 0) {
1431                 dev_err(adap, "%s: could not get core clock, error %d\n",
1432                         __func__, -ret);
1433                 goto bye;
1434         }
1435
1436         /*
1437          * If the firmware is initialized already (and we're not forcing a
1438          * master initialization), note that we're living with existing
1439          * adapter parameters.  Otherwise, it's time to try initializing the
1440          * adapter ...
1441          */
1442         if (state == DEV_STATE_INIT) {
1443                 dev_info(adap, "Coming up as %s: Adapter already initialized\n",
1444                          adap->flags & MASTER_PF ? "MASTER" : "SLAVE");
1445         } else {
1446                 dev_info(adap, "Coming up as MASTER: Initializing adapter\n");
1447
1448                 ret = adap_init0_config(adap, reset);
1449                 if (ret == -ENOENT) {
1450                         dev_err(adap,
1451                                 "No Configuration File present on adapter. Using hard-wired configuration parameters.\n");
1452                         goto bye;
1453                 }
1454         }
1455         if (ret < 0) {
1456                 dev_err(adap, "could not initialize adapter, error %d\n", -ret);
1457                 goto bye;
1458         }
1459
1460         /* Now that we've successfully configured and initialized the adapter
1461          * (or found it already initialized), we can ask the Firmware what
1462          * resources it has provisioned for us.
1463          */
1464         ret = t4_get_pfres(adap);
1465         if (ret) {
1466                 dev_err(adap->pdev_dev,
1467                         "Unable to retrieve resource provisioning info\n");
1468                 goto bye;
1469         }
1470
1471         /* Find out what ports are available to us. */
1472         v = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) |
1473             V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_PORTVEC);
1474         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, &v, &port_vec);
1475         if (ret < 0) {
1476                 dev_err(adap, "%s: failure in t4_query_params; error = %d\n",
1477                         __func__, ret);
1478                 goto bye;
1479         }
1480
1481         adap->params.nports = hweight32(port_vec);
1482         adap->params.portvec = port_vec;
1483
1484         dev_debug(adap, "%s: adap->params.nports = %u\n", __func__,
1485                   adap->params.nports);
1486
1487         /*
1488          * Give the SGE code a chance to pull in anything that it needs ...
1489          * Note that this must be called after we retrieve our VPD parameters
1490          * in order to know how to convert core ticks to seconds, etc.
1491          */
1492         ret = t4_sge_init(adap);
1493         if (ret < 0) {
1494                 dev_err(adap, "t4_sge_init failed with error %d\n",
1495                         -ret);
1496                 goto bye;
1497         }
1498
1499         /*
1500          * Grab some of our basic fundamental operating parameters.
1501          */
1502         params[0] = CXGBE_FW_PARAM_PFVF(L2T_START);
1503         params[1] = CXGBE_FW_PARAM_PFVF(L2T_END);
1504         params[2] = CXGBE_FW_PARAM_PFVF(FILTER_START);
1505         params[3] = CXGBE_FW_PARAM_PFVF(FILTER_END);
1506         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 4, params, val);
1507         if (ret < 0)
1508                 goto bye;
1509         adap->l2t_start = val[0];
1510         adap->l2t_end = val[1];
1511         adap->tids.ftid_base = val[2];
1512         adap->tids.nftids = val[3] - val[2] + 1;
1513
1514         params[0] = CXGBE_FW_PARAM_PFVF(CLIP_START);
1515         params[1] = CXGBE_FW_PARAM_PFVF(CLIP_END);
1516         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2, params, val);
1517         if (ret < 0)
1518                 goto bye;
1519         adap->clipt_start = val[0];
1520         adap->clipt_end = val[1];
1521
1522         /*
1523          * Get device capabilities so we can determine what resources we need
1524          * to manage.
1525          */
1526         memset(&caps_cmd, 0, sizeof(caps_cmd));
1527         caps_cmd.op_to_write = htonl(V_FW_CMD_OP(FW_CAPS_CONFIG_CMD) |
1528                                      F_FW_CMD_REQUEST | F_FW_CMD_READ);
1529         caps_cmd.cfvalid_to_len16 = htonl(FW_LEN16(caps_cmd));
1530         ret = t4_wr_mbox(adap, adap->mbox, &caps_cmd, sizeof(caps_cmd),
1531                          &caps_cmd);
1532         if (ret < 0)
1533                 goto bye;
1534
1535         if ((caps_cmd.niccaps & cpu_to_be16(FW_CAPS_CONFIG_NIC_HASHFILTER)) &&
1536             is_t6(adap->params.chip)) {
1537                 if (cxgbe_init_hash_filter(adap) < 0)
1538                         goto bye;
1539         }
1540
1541         /* See if FW supports FW_FILTER2 work request */
1542         if (is_t4(adap->params.chip)) {
1543                 adap->params.filter2_wr_support = 0;
1544         } else {
1545                 params[0] = CXGBE_FW_PARAM_DEV(FILTER2_WR);
1546                 ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
1547                                       1, params, val);
1548                 adap->params.filter2_wr_support = (ret == 0 && val[0] != 0);
1549         }
1550
1551         /* Check if FW supports returning vin.
1552          * If this is not supported, driver will interpret
1553          * these values from viid.
1554          */
1555         params[0] = CXGBE_FW_PARAM_DEV(OPAQUE_VIID_SMT_EXTN);
1556         ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
1557                               1, params, val);
1558         adap->params.viid_smt_extn_support = (ret == 0 && val[0] != 0);
1559
1560         /* query tid-related parameters */
1561         params[0] = CXGBE_FW_PARAM_DEV(NTID);
1562         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
1563                               params, val);
1564         if (ret < 0)
1565                 goto bye;
1566         adap->tids.ntids = val[0];
1567         adap->tids.natids = min(adap->tids.ntids / 2, MAX_ATIDS);
1568
1569         /* If we're running on newer firmware, let it know that we're
1570          * prepared to deal with encapsulated CPL messages.  Older
1571          * firmware won't understand this and we'll just get
1572          * unencapsulated messages ...
1573          */
1574         params[0] = CXGBE_FW_PARAM_PFVF(CPLFW4MSG_ENCAP);
1575         val[0] = 1;
1576         (void)t4_set_params(adap, adap->mbox, adap->pf, 0, 1, params, val);
1577
1578         /*
1579          * Find out whether we're allowed to use the T5+ ULPTX MEMWRITE DSGL
1580          * capability.  Earlier versions of the firmware didn't have the
1581          * ULPTX_MEMWRITE_DSGL so we'll interpret a query failure as no
1582          * permission to use ULPTX MEMWRITE DSGL.
1583          */
1584         if (is_t4(adap->params.chip)) {
1585                 adap->params.ulptx_memwrite_dsgl = false;
1586         } else {
1587                 params[0] = CXGBE_FW_PARAM_DEV(ULPTX_MEMWRITE_DSGL);
1588                 ret = t4_query_params(adap, adap->mbox, adap->pf, 0,
1589                                       1, params, val);
1590                 adap->params.ulptx_memwrite_dsgl = (ret == 0 && val[0] != 0);
1591         }
1592
1593         /* Query for max number of packets that can be coalesced for Tx */
1594         params[0] = CXGBE_FW_PARAM_PFVF(MAX_PKTS_PER_ETH_TX_PKTS_WR);
1595         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params, val);
1596         if (!ret && val[0] > 0)
1597                 adap->params.max_tx_coalesce_num = val[0];
1598         else
1599                 adap->params.max_tx_coalesce_num = ETH_COALESCE_PKT_NUM;
1600
1601         params[0] = CXGBE_FW_PARAM_DEV(VI_ENABLE_INGRESS_AFTER_LINKUP);
1602         ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1, params, val);
1603         adap->params.vi_enable_rx = (ret == 0 && val[0] != 0);
1604
1605         /* Read the RAW MPS entries. In T6, the last 2 TCAM entries
1606          * are reserved for RAW MAC addresses (rawf = 2, one per port).
1607          */
1608         if (CHELSIO_CHIP_VERSION(adap->params.chip) > CHELSIO_T5) {
1609                 params[0] = CXGBE_FW_PARAM_PFVF(RAWF_START);
1610                 params[1] = CXGBE_FW_PARAM_PFVF(RAWF_END);
1611                 ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 2,
1612                                       params, val);
1613                 if (ret == 0) {
1614                         adap->params.rawf_start = val[0];
1615                         adap->params.rawf_size = val[1] - val[0] + 1;
1616                 }
1617         }
1618
1619         /*
1620          * The MTU/MSS Table is initialized by now, so load their values.  If
1621          * we're initializing the adapter, then we'll make any modifications
1622          * we want to the MTU/MSS Table and also initialize the congestion
1623          * parameters.
1624          */
1625         t4_read_mtu_tbl(adap, adap->params.mtus, NULL);
1626         if (state != DEV_STATE_INIT) {
1627                 int i;
1628
1629                 /*
1630                  * The default MTU Table contains values 1492 and 1500.
1631                  * However, for TCP, it's better to have two values which are
1632                  * a multiple of 8 +/- 4 bytes apart near this popular MTU.
1633                  * This allows us to have a TCP Data Payload which is a
1634                  * multiple of 8 regardless of what combination of TCP Options
1635                  * are in use (always a multiple of 4 bytes) which is
1636                  * important for performance reasons.  For instance, if no
1637                  * options are in use, then we have a 20-byte IP header and a
1638                  * 20-byte TCP header.  In this case, a 1500-byte MSS would
1639                  * result in a TCP Data Payload of 1500 - 40 == 1460 bytes
1640                  * which is not a multiple of 8.  So using an MSS of 1488 in
1641                  * this case results in a TCP Data Payload of 1448 bytes which
1642                  * is a multiple of 8.  On the other hand, if 12-byte TCP Time
1643                  * Stamps have been negotiated, then an MTU of 1500 bytes
1644                  * results in a TCP Data Payload of 1448 bytes which, as
1645                  * above, is a multiple of 8 bytes ...
1646                  */
1647                 for (i = 0; i < NMTUS; i++)
1648                         if (adap->params.mtus[i] == 1492) {
1649                                 adap->params.mtus[i] = 1488;
1650                                 break;
1651                         }
1652
1653                 t4_load_mtus(adap, adap->params.mtus, adap->params.a_wnd,
1654                              adap->params.b_wnd);
1655         }
1656         t4_init_sge_params(adap);
1657         ret = configure_filter_mode_mask(adap);
1658         if (ret < 0)
1659                 goto bye;
1660         t4_init_tp_params(adap);
1661         configure_pcie_ext_tag(adap);
1662         configure_vlan_types(adap);
1663         cxgbe_configure_max_ethqsets(adap);
1664
1665         adap->params.drv_memwin = MEMWIN_NIC;
1666         adap->flags |= FW_OK;
1667         dev_debug(adap, "%s: returning zero..\n", __func__);
1668         return 0;
1669
1670         /*
1671          * Something bad happened.  If a command timed out or failed with EIO
1672          * FW does not operate within its spec or something catastrophic
1673          * happened to HW/FW, stop issuing commands.
1674          */
1675 bye:
1676         if (ret != -ETIMEDOUT && ret != -EIO)
1677                 t4_fw_bye(adap, adap->mbox);
1678         return ret;
1679 }
1680
1681 /**
1682  * t4_os_portmod_changed - handle port module changes
1683  * @adap: the adapter associated with the module change
1684  * @port_id: the port index whose module status has changed
1685  *
1686  * This is the OS-dependent handler for port module changes.  It is
1687  * invoked when a port module is removed or inserted for any OS-specific
1688  * processing.
1689  */
1690 void t4_os_portmod_changed(const struct adapter *adap, int port_id)
1691 {
1692         static const char * const mod_str[] = {
1693                 NULL, "LR", "SR", "ER", "passive DA", "active DA", "LRM"
1694         };
1695
1696         const struct port_info *pi = adap2pinfo(adap, port_id);
1697
1698         if (pi->link_cfg.mod_type == FW_PORT_MOD_TYPE_NONE)
1699                 dev_info(adap, "Port%d: port module unplugged\n", pi->port_id);
1700         else if (pi->link_cfg.mod_type < ARRAY_SIZE(mod_str))
1701                 dev_info(adap, "Port%d: %s port module inserted\n", pi->port_id,
1702                          mod_str[pi->link_cfg.mod_type]);
1703         else if (pi->link_cfg.mod_type == FW_PORT_MOD_TYPE_NOTSUPPORTED)
1704                 dev_info(adap, "Port%d: unsupported port module inserted\n",
1705                          pi->port_id);
1706         else if (pi->link_cfg.mod_type == FW_PORT_MOD_TYPE_UNKNOWN)
1707                 dev_info(adap, "Port%d: unknown port module inserted\n",
1708                          pi->port_id);
1709         else if (pi->link_cfg.mod_type == FW_PORT_MOD_TYPE_ERROR)
1710                 dev_info(adap, "Port%d: transceiver module error\n",
1711                          pi->port_id);
1712         else
1713                 dev_info(adap, "Port%d: unknown module type %d inserted\n",
1714                          pi->port_id, pi->link_cfg.mod_type);
1715 }
1716
1717 void t4_os_link_changed(struct adapter *adap, int port_id)
1718 {
1719         struct port_info *pi = adap2pinfo(adap, port_id);
1720
1721         /* If link status has not changed or if firmware doesn't
1722          * support enabling/disabling VI's Rx path during runtime,
1723          * then return.
1724          */
1725         if (adap->params.vi_enable_rx == 0 ||
1726             pi->vi_en_rx == pi->link_cfg.link_ok)
1727                 return;
1728
1729         /* Don't enable VI Rx path, if link has been administratively
1730          * turned off.
1731          */
1732         if (pi->vi_en_tx == 0 && pi->vi_en_rx == 0)
1733                 return;
1734
1735         /* When link goes down, disable the port's Rx path to drop
1736          * Rx traffic closer to the wire, instead of processing it
1737          * further in the Rx pipeline. The Rx path will be re-enabled
1738          * once the link up message comes in firmware event queue.
1739          */
1740         pi->vi_en_rx = pi->link_cfg.link_ok;
1741         t4_enable_vi(adap, adap->mbox, pi->viid, pi->vi_en_rx, pi->vi_en_tx);
1742 }
1743
1744 bool cxgbe_force_linkup(struct adapter *adap)
1745 {
1746         if (is_pf4(adap))
1747                 return false;   /* force_linkup not required for pf driver */
1748
1749         return adap->devargs.force_link_up;
1750 }
1751
1752 /**
1753  * link_start - enable a port
1754  * @dev: the port to enable
1755  *
1756  * Performs the MAC and PHY actions needed to enable a port.
1757  */
1758 int cxgbe_link_start(struct port_info *pi)
1759 {
1760         struct adapter *adapter = pi->adapter;
1761         u64 conf_offloads;
1762         unsigned int mtu;
1763         int ret;
1764
1765         mtu = pi->eth_dev->data->mtu;
1766
1767         conf_offloads = pi->eth_dev->data->dev_conf.rxmode.offloads;
1768
1769         /*
1770          * We do not set address filters and promiscuity here, the stack does
1771          * that step explicitly.
1772          */
1773         ret = t4_set_rxmode(adapter, adapter->mbox, pi->viid, mtu, -1, -1, -1,
1774                             !!(conf_offloads & RTE_ETH_RX_OFFLOAD_VLAN_STRIP),
1775                             true);
1776         if (ret == 0) {
1777                 ret = cxgbe_mpstcam_modify(pi, (int)pi->xact_addr_filt,
1778                                 (u8 *)&pi->eth_dev->data->mac_addrs[0]);
1779                 if (ret >= 0) {
1780                         pi->xact_addr_filt = ret;
1781                         ret = 0;
1782                 }
1783         }
1784         if (ret == 0 && is_pf4(adapter))
1785                 ret = t4_link_l1cfg(pi, pi->link_cfg.admin_caps);
1786         if (ret == 0) {
1787                 /* Disable VI Rx until link up message is received in
1788                  * firmware event queue, if firmware supports enabling/
1789                  * disabling VI Rx at runtime.
1790                  */
1791                 pi->vi_en_rx = adapter->params.vi_enable_rx ? 0 : 1;
1792                 pi->vi_en_tx = 1;
1793                 ret = t4_enable_vi_params(adapter, adapter->mbox, pi->viid,
1794                                           pi->vi_en_rx, pi->vi_en_tx, false);
1795         }
1796
1797         if (ret == 0 && cxgbe_force_linkup(adapter))
1798                 pi->eth_dev->data->dev_link.link_status = RTE_ETH_LINK_UP;
1799         return ret;
1800 }
1801
1802 /**
1803  * cxgbe_write_rss_conf - flash the RSS configuration for a given port
1804  * @pi: the port
1805  * @rss_hf: Hash configuration to apply
1806  */
1807 int cxgbe_write_rss_conf(const struct port_info *pi, uint64_t rss_hf)
1808 {
1809         struct adapter *adapter = pi->adapter;
1810         const struct sge_eth_rxq *rxq;
1811         u64 flags = 0;
1812         u16 rss;
1813         int err;
1814
1815         /*  Should never be called before setting up sge eth rx queues */
1816         if (!(adapter->flags & FULL_INIT_DONE)) {
1817                 dev_err(adap, "%s No RXQs available on port %d\n",
1818                         __func__, pi->port_id);
1819                 return -EINVAL;
1820         }
1821
1822         /* Don't allow unsupported hash functions */
1823         if (rss_hf & ~CXGBE_RSS_HF_ALL)
1824                 return -EINVAL;
1825
1826         if (rss_hf & CXGBE_RSS_HF_IPV4_MASK)
1827                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP4TWOTUPEN;
1828
1829         if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV4_TCP)
1830                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN;
1831
1832         if (rss_hf & RTE_ETH_RSS_NONFRAG_IPV4_UDP)
1833                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP4FOURTUPEN |
1834                          F_FW_RSS_VI_CONFIG_CMD_UDPEN;
1835
1836         if (rss_hf & CXGBE_RSS_HF_IPV6_MASK)
1837                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN;
1838
1839         if (rss_hf & CXGBE_RSS_HF_TCP_IPV6_MASK)
1840                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
1841                          F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN;
1842
1843         if (rss_hf & CXGBE_RSS_HF_UDP_IPV6_MASK)
1844                 flags |= F_FW_RSS_VI_CONFIG_CMD_IP6TWOTUPEN |
1845                          F_FW_RSS_VI_CONFIG_CMD_IP6FOURTUPEN |
1846                          F_FW_RSS_VI_CONFIG_CMD_UDPEN;
1847
1848         rxq = &adapter->sge.ethrxq[pi->first_rxqset];
1849         rss = rxq[0].rspq.abs_id;
1850
1851         /* If Tunnel All Lookup isn't specified in the global RSS
1852          * Configuration, then we need to specify a default Ingress
1853          * Queue for any ingress packets which aren't hashed.  We'll
1854          * use our first ingress queue ...
1855          */
1856         err = t4_config_vi_rss(adapter, adapter->mbox, pi->viid,
1857                                flags, rss);
1858         return err;
1859 }
1860
1861 /**
1862  * cxgbe_write_rss - write the RSS table for a given port
1863  * @pi: the port
1864  * @queues: array of queue indices for RSS
1865  *
1866  * Sets up the portion of the HW RSS table for the port's VI to distribute
1867  * packets to the Rx queues in @queues.
1868  */
1869 int cxgbe_write_rss(const struct port_info *pi, const u16 *queues)
1870 {
1871         u16 *rss;
1872         int i, err;
1873         struct adapter *adapter = pi->adapter;
1874         const struct sge_eth_rxq *rxq;
1875
1876         /*  Should never be called before setting up sge eth rx queues */
1877         BUG_ON(!(adapter->flags & FULL_INIT_DONE));
1878
1879         rxq = &adapter->sge.ethrxq[pi->first_rxqset];
1880         rss = rte_zmalloc(NULL, pi->rss_size * sizeof(u16), 0);
1881         if (!rss)
1882                 return -ENOMEM;
1883
1884         /* map the queue indices to queue ids */
1885         for (i = 0; i < pi->rss_size; i++, queues++)
1886                 rss[i] = rxq[*queues].rspq.abs_id;
1887
1888         err = t4_config_rss_range(adapter, adapter->pf, pi->viid, 0,
1889                                   pi->rss_size, rss, pi->rss_size);
1890         rte_free(rss);
1891         return err;
1892 }
1893
1894 /**
1895  * setup_rss - configure RSS
1896  * @adapter: the adapter
1897  *
1898  * Sets up RSS to distribute packets to multiple receive queues.  We
1899  * configure the RSS CPU lookup table to distribute to the number of HW
1900  * receive queues, and the response queue lookup table to narrow that
1901  * down to the response queues actually configured for each port.
1902  * We always configure the RSS mapping for all ports since the mapping
1903  * table has plenty of entries.
1904  */
1905 int cxgbe_setup_rss(struct port_info *pi)
1906 {
1907         int j, err;
1908         struct adapter *adapter = pi->adapter;
1909
1910         dev_debug(adapter, "%s:  pi->rss_size = %u; pi->n_rx_qsets = %u\n",
1911                   __func__, pi->rss_size, pi->n_rx_qsets);
1912
1913         if (!(pi->flags & PORT_RSS_DONE)) {
1914                 if (adapter->flags & FULL_INIT_DONE) {
1915                         /* Fill default values with equal distribution */
1916                         for (j = 0; j < pi->rss_size; j++)
1917                                 pi->rss[j] = j % pi->n_rx_qsets;
1918
1919                         err = cxgbe_write_rss(pi, pi->rss);
1920                         if (err)
1921                                 return err;
1922
1923                         err = cxgbe_write_rss_conf(pi, pi->rss_hf);
1924                         if (err)
1925                                 return err;
1926                         pi->flags |= PORT_RSS_DONE;
1927                 }
1928         }
1929         return 0;
1930 }
1931
1932 /*
1933  * Enable NAPI scheduling and interrupt generation for all Rx queues.
1934  */
1935 static void enable_rx(struct adapter *adap, struct sge_rspq *q)
1936 {
1937         /* 0-increment GTS to start the timer and enable interrupts */
1938         t4_write_reg(adap, is_pf4(adap) ? MYPF_REG(A_SGE_PF_GTS) :
1939                                           T4VF_SGE_BASE_ADDR + A_SGE_VF_GTS,
1940                      V_SEINTARM(q->intr_params) |
1941                      V_INGRESSQID(q->cntxt_id));
1942 }
1943
1944 void cxgbe_enable_rx_queues(struct port_info *pi)
1945 {
1946         struct adapter *adap = pi->adapter;
1947         struct sge *s = &adap->sge;
1948         unsigned int i;
1949
1950         for (i = 0; i < pi->n_rx_qsets; i++)
1951                 enable_rx(adap, &s->ethrxq[pi->first_rxqset + i].rspq);
1952 }
1953
1954 /**
1955  * fw_caps_to_speed_caps - translate Firmware Port Caps to Speed Caps.
1956  * @port_type: Firmware Port Type
1957  * @fw_caps: Firmware Port Capabilities
1958  * @speed_caps: Device Info Speed Capabilities
1959  *
1960  * Translate a Firmware Port Capabilities specification to Device Info
1961  * Speed Capabilities.
1962  */
1963 static void fw_caps_to_speed_caps(enum fw_port_type port_type,
1964                                   unsigned int fw_caps,
1965                                   u32 *speed_caps)
1966 {
1967 #define SET_SPEED(__speed_name) \
1968         do { \
1969                 *speed_caps |= RTE_ETH_LINK_ ## __speed_name; \
1970         } while (0)
1971
1972 #define FW_CAPS_TO_SPEED(__fw_name) \
1973         do { \
1974                 if (fw_caps & FW_PORT_CAP32_ ## __fw_name) \
1975                         SET_SPEED(__fw_name); \
1976         } while (0)
1977
1978         switch (port_type) {
1979         case FW_PORT_TYPE_BT_SGMII:
1980         case FW_PORT_TYPE_BT_XFI:
1981         case FW_PORT_TYPE_BT_XAUI:
1982                 FW_CAPS_TO_SPEED(SPEED_100M);
1983                 FW_CAPS_TO_SPEED(SPEED_1G);
1984                 FW_CAPS_TO_SPEED(SPEED_10G);
1985                 break;
1986
1987         case FW_PORT_TYPE_KX4:
1988         case FW_PORT_TYPE_KX:
1989         case FW_PORT_TYPE_FIBER_XFI:
1990         case FW_PORT_TYPE_FIBER_XAUI:
1991         case FW_PORT_TYPE_SFP:
1992         case FW_PORT_TYPE_QSFP_10G:
1993         case FW_PORT_TYPE_QSA:
1994                 FW_CAPS_TO_SPEED(SPEED_1G);
1995                 FW_CAPS_TO_SPEED(SPEED_10G);
1996                 break;
1997
1998         case FW_PORT_TYPE_KR:
1999                 SET_SPEED(SPEED_10G);
2000                 break;
2001
2002         case FW_PORT_TYPE_BP_AP:
2003         case FW_PORT_TYPE_BP4_AP:
2004                 SET_SPEED(SPEED_1G);
2005                 SET_SPEED(SPEED_10G);
2006                 break;
2007
2008         case FW_PORT_TYPE_BP40_BA:
2009         case FW_PORT_TYPE_QSFP:
2010                 SET_SPEED(SPEED_40G);
2011                 break;
2012
2013         case FW_PORT_TYPE_CR_QSFP:
2014         case FW_PORT_TYPE_SFP28:
2015         case FW_PORT_TYPE_KR_SFP28:
2016                 FW_CAPS_TO_SPEED(SPEED_1G);
2017                 FW_CAPS_TO_SPEED(SPEED_10G);
2018                 FW_CAPS_TO_SPEED(SPEED_25G);
2019                 break;
2020
2021         case FW_PORT_TYPE_CR2_QSFP:
2022                 SET_SPEED(SPEED_50G);
2023                 break;
2024
2025         case FW_PORT_TYPE_KR4_100G:
2026         case FW_PORT_TYPE_CR4_QSFP:
2027                 FW_CAPS_TO_SPEED(SPEED_25G);
2028                 FW_CAPS_TO_SPEED(SPEED_40G);
2029                 FW_CAPS_TO_SPEED(SPEED_50G);
2030                 FW_CAPS_TO_SPEED(SPEED_100G);
2031                 break;
2032
2033         default:
2034                 break;
2035         }
2036
2037 #undef FW_CAPS_TO_SPEED
2038 #undef SET_SPEED
2039 }
2040
2041 /**
2042  * cxgbe_get_speed_caps - Fetch supported speed capabilities
2043  * @pi: Underlying port's info
2044  * @speed_caps: Device Info speed capabilities
2045  *
2046  * Fetch supported speed capabilities of the underlying port.
2047  */
2048 void cxgbe_get_speed_caps(struct port_info *pi, u32 *speed_caps)
2049 {
2050         *speed_caps = 0;
2051
2052         fw_caps_to_speed_caps(pi->link_cfg.port_type, pi->link_cfg.pcaps,
2053                               speed_caps);
2054
2055         if (!(pi->link_cfg.pcaps & FW_PORT_CAP32_ANEG))
2056                 *speed_caps |= RTE_ETH_LINK_SPEED_FIXED;
2057 }
2058
2059 /**
2060  * cxgbe_set_link_status - Set device link up or down.
2061  * @pi: Underlying port's info
2062  * @status: 0 - down, 1 - up
2063  *
2064  * Set the device link up or down.
2065  */
2066 int cxgbe_set_link_status(struct port_info *pi, bool status)
2067 {
2068         struct adapter *adapter = pi->adapter;
2069         int err = 0;
2070
2071         /* Wait for link up message from firmware to enable Rx path,
2072          * if firmware supports enabling/disabling VI Rx at runtime.
2073          */
2074         pi->vi_en_rx = adapter->params.vi_enable_rx ? 0 : status;
2075         pi->vi_en_tx = status;
2076         err = t4_enable_vi(adapter, adapter->mbox, pi->viid, pi->vi_en_rx,
2077                            pi->vi_en_tx);
2078         if (err) {
2079                 dev_err(adapter, "%s: disable_vi failed: %d\n", __func__, err);
2080                 return err;
2081         }
2082
2083         if (!status)
2084                 t4_reset_link_config(adapter, pi->pidx);
2085
2086         return 0;
2087 }
2088
2089 /**
2090  * cxgb_up - enable the adapter
2091  * @adap: adapter being enabled
2092  *
2093  * Called when the first port is enabled, this function performs the
2094  * actions necessary to make an adapter operational, such as completing
2095  * the initialization of HW modules, and enabling interrupts.
2096  */
2097 int cxgbe_up(struct adapter *adap)
2098 {
2099         enable_rx(adap, &adap->sge.fw_evtq);
2100         t4_sge_tx_monitor_start(adap);
2101         if (is_pf4(adap))
2102                 t4_intr_enable(adap);
2103         adap->flags |= FULL_INIT_DONE;
2104
2105         /* TODO: deadman watchdog ?? */
2106         return 0;
2107 }
2108
2109 /*
2110  * Close the port
2111  */
2112 int cxgbe_down(struct port_info *pi)
2113 {
2114         return cxgbe_set_link_status(pi, false);
2115 }
2116
2117 /*
2118  * Release resources when all the ports have been stopped.
2119  */
2120 void cxgbe_close(struct adapter *adapter)
2121 {
2122         if (adapter->flags & FULL_INIT_DONE) {
2123                 tid_free(&adapter->tids);
2124                 t4_cleanup_mpstcam(adapter);
2125                 t4_cleanup_clip_tbl(adapter);
2126                 t4_cleanup_l2t(adapter);
2127                 t4_cleanup_smt(adapter);
2128                 if (is_pf4(adapter))
2129                         t4_intr_disable(adapter);
2130                 t4_sge_tx_monitor_stop(adapter);
2131                 t4_free_sge_resources(adapter);
2132                 adapter->flags &= ~FULL_INIT_DONE;
2133         }
2134
2135         cxgbe_cfg_queues_free(adapter);
2136
2137         if (is_pf4(adapter) && (adapter->flags & FW_OK))
2138                 t4_fw_bye(adapter, adapter->mbox);
2139 }
2140
2141 static void adap_smt_index(struct adapter *adapter, u32 *smt_start_idx,
2142                            u32 *smt_size)
2143 {
2144         u32 params[2], smt_val[2];
2145         int ret;
2146
2147         params[0] = CXGBE_FW_PARAM_PFVF(GET_SMT_START);
2148         params[1] = CXGBE_FW_PARAM_PFVF(GET_SMT_SIZE);
2149
2150         ret = t4_query_params(adapter, adapter->mbox, adapter->pf, 0,
2151                               2, params, smt_val);
2152
2153         /* if FW doesn't recognize this command then set it to default setting
2154          * which is start index as 0 and size as 256.
2155          */
2156         if (ret < 0) {
2157                 *smt_start_idx = 0;
2158                 *smt_size = SMT_SIZE;
2159         } else {
2160                 *smt_start_idx = smt_val[0];
2161                 /* smt size can be zero, if nsmt is not yet configured in
2162                  * the config file or set as zero, then configure all the
2163                  * remaining entries to this PF itself.
2164                  */
2165                 if (!smt_val[1])
2166                         *smt_size = SMT_SIZE - *smt_start_idx;
2167                 else
2168                         *smt_size = smt_val[1];
2169         }
2170 }
2171
2172 int cxgbe_probe(struct adapter *adapter)
2173 {
2174         u32 smt_start_idx, smt_size;
2175         struct port_info *pi;
2176         int func, i;
2177         int err = 0;
2178         u32 whoami;
2179         int chip;
2180
2181         whoami = t4_read_reg(adapter, A_PL_WHOAMI);
2182         chip = t4_get_chip_type(adapter,
2183                         CHELSIO_PCI_ID_VER(adapter->pdev->id.device_id));
2184         if (chip < 0)
2185                 return chip;
2186
2187         func = CHELSIO_CHIP_VERSION(chip) <= CHELSIO_T5 ?
2188                G_SOURCEPF(whoami) : G_T6_SOURCEPF(whoami);
2189
2190         adapter->mbox = func;
2191         adapter->pf = func;
2192
2193         t4_os_lock_init(&adapter->mbox_lock);
2194         TAILQ_INIT(&adapter->mbox_list);
2195         t4_os_lock_init(&adapter->win0_lock);
2196
2197         err = t4_prep_adapter(adapter);
2198         if (err)
2199                 return err;
2200
2201         setup_memwin(adapter);
2202         err = adap_init0(adapter);
2203         if (err) {
2204                 dev_err(adapter, "%s: Adapter initialization failed, error %d\n",
2205                         __func__, err);
2206                 goto out_free;
2207         }
2208
2209         if (!is_t4(adapter->params.chip)) {
2210                 /*
2211                  * The userspace doorbell BAR is split evenly into doorbell
2212                  * regions, each associated with an egress queue.  If this
2213                  * per-queue region is large enough (at least UDBS_SEG_SIZE)
2214                  * then it can be used to submit a tx work request with an
2215                  * implied doorbell.  Enable write combining on the BAR if
2216                  * there is room for such work requests.
2217                  */
2218                 int s_qpp, qpp, num_seg;
2219
2220                 s_qpp = (S_QUEUESPERPAGEPF0 +
2221                         (S_QUEUESPERPAGEPF1 - S_QUEUESPERPAGEPF0) *
2222                         adapter->pf);
2223                 qpp = 1 << ((t4_read_reg(adapter,
2224                                 A_SGE_EGRESS_QUEUES_PER_PAGE_PF) >> s_qpp)
2225                                 & M_QUEUESPERPAGEPF0);
2226                 num_seg = CXGBE_PAGE_SIZE / UDBS_SEG_SIZE;
2227                 if (qpp > num_seg)
2228                         dev_warn(adapter, "Incorrect SGE EGRESS QUEUES_PER_PAGE configuration, continuing in debug mode\n");
2229
2230                 adapter->bar2 = (void *)adapter->pdev->mem_resource[2].addr;
2231                 if (!adapter->bar2) {
2232                         dev_err(adapter, "cannot map device bar2 region\n");
2233                         err = -ENOMEM;
2234                         goto out_free;
2235                 }
2236                 t4_write_reg(adapter, A_SGE_STAT_CFG, V_STATSOURCE_T5(7) |
2237                              V_STATMODE(0));
2238         }
2239
2240         for_each_port(adapter, i) {
2241                 const unsigned int numa_node = rte_socket_id();
2242                 char name[RTE_ETH_NAME_MAX_LEN];
2243                 struct rte_eth_dev *eth_dev;
2244
2245                 snprintf(name, sizeof(name), "%s_%d",
2246                          adapter->pdev->device.name, i);
2247
2248                 if (i == 0) {
2249                         /* First port is already allocated by DPDK */
2250                         eth_dev = adapter->eth_dev;
2251                         goto allocate_mac;
2252                 }
2253
2254                 /*
2255                  * now do all data allocation - for eth_dev structure,
2256                  * and internal (private) data for the remaining ports
2257                  */
2258
2259                 /* reserve an ethdev entry */
2260                 eth_dev = rte_eth_dev_allocate(name);
2261                 if (!eth_dev)
2262                         goto out_free;
2263
2264                 eth_dev->data->dev_private =
2265                         rte_zmalloc_socket(name, sizeof(struct port_info),
2266                                            RTE_CACHE_LINE_SIZE, numa_node);
2267                 if (!eth_dev->data->dev_private)
2268                         goto out_free;
2269
2270 allocate_mac:
2271                 pi = eth_dev->data->dev_private;
2272                 adapter->port[i] = pi;
2273                 pi->eth_dev = eth_dev;
2274                 pi->adapter = adapter;
2275                 pi->xact_addr_filt = -1;
2276                 pi->port_id = i;
2277                 pi->pidx = i;
2278
2279                 pi->eth_dev->device = &adapter->pdev->device;
2280                 pi->eth_dev->dev_ops = adapter->eth_dev->dev_ops;
2281                 pi->eth_dev->tx_pkt_burst = adapter->eth_dev->tx_pkt_burst;
2282                 pi->eth_dev->rx_pkt_burst = adapter->eth_dev->rx_pkt_burst;
2283
2284                 rte_eth_copy_pci_info(pi->eth_dev, adapter->pdev);
2285
2286                 pi->eth_dev->data->mac_addrs = rte_zmalloc(name,
2287                                                         RTE_ETHER_ADDR_LEN, 0);
2288                 if (!pi->eth_dev->data->mac_addrs) {
2289                         dev_err(adapter, "%s: Mem allocation failed for storing mac addr, aborting\n",
2290                                 __func__);
2291                         err = -1;
2292                         goto out_free;
2293                 }
2294
2295                 if (i > 0) {
2296                         /* First port will be notified by upper layer */
2297                         rte_eth_dev_probing_finish(eth_dev);
2298                 }
2299         }
2300
2301         if (adapter->flags & FW_OK) {
2302                 err = t4_port_init(adapter, adapter->mbox, adapter->pf, 0);
2303                 if (err) {
2304                         dev_err(adapter, "%s: t4_port_init failed with err %d\n",
2305                                 __func__, err);
2306                         goto out_free;
2307                 }
2308         }
2309
2310         err = cxgbe_cfg_queues(adapter->eth_dev);
2311         if (err)
2312                 goto out_free;
2313
2314         cxgbe_print_adapter_info(adapter);
2315         cxgbe_print_port_info(adapter);
2316
2317         adapter->clipt = t4_init_clip_tbl(adapter->clipt_start,
2318                                           adapter->clipt_end);
2319         if (!adapter->clipt) {
2320                 /* We tolerate a lack of clip_table, giving up some
2321                  * functionality
2322                  */
2323                 dev_warn(adapter, "could not allocate CLIP. Continuing\n");
2324         }
2325
2326         adap_smt_index(adapter, &smt_start_idx, &smt_size);
2327         adapter->smt = t4_init_smt(smt_start_idx, smt_size);
2328         if (!adapter->smt)
2329                 dev_warn(adapter, "could not allocate SMT, continuing\n");
2330
2331         adapter->l2t = t4_init_l2t(adapter->l2t_start, adapter->l2t_end);
2332         if (!adapter->l2t) {
2333                 /* We tolerate a lack of L2T, giving up some functionality */
2334                 dev_warn(adapter, "could not allocate L2T. Continuing\n");
2335         }
2336
2337         if (tid_init(&adapter->tids) < 0) {
2338                 /* Disable filtering support */
2339                 dev_warn(adapter, "could not allocate TID table, "
2340                          "filter support disabled. Continuing\n");
2341         }
2342
2343         t4_os_lock_init(&adapter->flow_lock);
2344
2345         adapter->mpstcam = t4_init_mpstcam(adapter);
2346         if (!adapter->mpstcam)
2347                 dev_warn(adapter, "could not allocate mps tcam table."
2348                          " Continuing\n");
2349
2350         if (is_hashfilter(adapter)) {
2351                 if (t4_read_reg(adapter, A_LE_DB_CONFIG) & F_HASHEN) {
2352                         u32 hash_base, hash_reg;
2353
2354                         hash_reg = A_LE_DB_TID_HASHBASE;
2355                         hash_base = t4_read_reg(adapter, hash_reg);
2356                         adapter->tids.hash_base = hash_base / 4;
2357                 }
2358         } else {
2359                 /* Disable hash filtering support */
2360                 dev_warn(adapter,
2361                          "Maskless filter support disabled. Continuing\n");
2362         }
2363
2364         err = cxgbe_init_rss(adapter);
2365         if (err)
2366                 goto out_free;
2367
2368         return 0;
2369
2370 out_free:
2371         cxgbe_cfg_queues_free(adapter);
2372
2373         for_each_port(adapter, i) {
2374                 pi = adap2pinfo(adapter, i);
2375                 if (pi->viid != 0)
2376                         t4_free_vi(adapter, adapter->mbox, adapter->pf,
2377                                    0, pi->viid);
2378                 rte_eth_dev_release_port(pi->eth_dev);
2379         }
2380
2381         if (adapter->flags & FW_OK)
2382                 t4_fw_bye(adapter, adapter->mbox);
2383         return -err;
2384 }