drivers/net/fm10k/fm10k_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2013-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <rte_ethdev.h>
  35 #include <rte_malloc.h>
  36 #include <rte_memzone.h>
  37 #include <rte_string_fns.h>
  38 #include <rte_dev.h>
  39 #include <rte_spinlock.h>
  40 #include <rte_kvargs.h>
  41
  42 #include "fm10k.h"
  43 #include "base/fm10k_api.h"
  44
  45 /* Default delay to acquire mailbox lock */
  46 #define FM10K_MBXLOCK_DELAY_US 20
  47 #define UINT64_LOWER_32BITS_MASK 0x00000000ffffffffULL
  48
  49 #define MAIN_VSI_POOL_NUMBER 0
  50
  51 /* Max try times to acquire switch status */
  52 #define MAX_QUERY_SWITCH_STATE_TIMES 10
  53 /* Wait interval to get switch status */
  54 #define WAIT_SWITCH_MSG_US    100000
  55 /* A period of quiescence for switch */
  56 #define FM10K_SWITCH_QUIESCE_US 10000
  57 /* Number of chars per uint32 type */
  58 #define CHARS_PER_UINT32 (sizeof(uint32_t))
  59 #define BIT_MASK_PER_UINT32 ((1 << CHARS_PER_UINT32) - 1)
  60
  61 /* default 1:1 map from queue ID to interrupt vector ID */
  62 #define Q2V(pci_dev, queue_id) ((pci_dev)->intr_handle.intr_vec[queue_id])
  63
  64 /* First 64 Logical ports for PF/VMDQ, second 64 for Flow director */
  65 #define MAX_LPORT_NUM    128
  66 #define GLORT_FD_Q_BASE  0x40
  67 #define GLORT_PF_MASK    0xFFC0
  68 #define GLORT_FD_MASK    GLORT_PF_MASK
  69 #define GLORT_FD_INDEX   GLORT_FD_Q_BASE
  70
  71 static void fm10k_close_mbx_service(struct fm10k_hw *hw);
  72 static void fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev);
  73 static void fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev);
  74 static void fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev);
  75 static void fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev);
  76 static inline int fm10k_glort_valid(struct fm10k_hw *hw);
  77 static int
  78 fm10k_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on);
  79 static void fm10k_MAC_filter_set(struct rte_eth_dev *dev,
  80         const u8 *mac, bool add, uint32_t pool);
  81 static void fm10k_tx_queue_release(void *queue);
  82 static void fm10k_rx_queue_release(void *queue);
  83 static void fm10k_set_rx_function(struct rte_eth_dev *dev);
  84 static void fm10k_set_tx_function(struct rte_eth_dev *dev);
  85 static int fm10k_check_ftag(struct rte_devargs *devargs);
  86
  87 struct fm10k_xstats_name_off {
  88         char name[RTE_ETH_XSTATS_NAME_SIZE];
  89         unsigned offset;
  90 };
  91
  92 struct fm10k_xstats_name_off fm10k_hw_stats_strings[] = {
  93         {"completion_timeout_count", offsetof(struct fm10k_hw_stats, timeout)},
  94         {"unsupported_requests_count", offsetof(struct fm10k_hw_stats, ur)},
  95         {"completer_abort_count", offsetof(struct fm10k_hw_stats, ca)},
  96         {"unsupported_message_count", offsetof(struct fm10k_hw_stats, um)},
  97         {"checksum_error_count", offsetof(struct fm10k_hw_stats, xec)},
  98         {"vlan_dropped", offsetof(struct fm10k_hw_stats, vlan_drop)},
  99         {"loopback_dropped", offsetof(struct fm10k_hw_stats, loopback_drop)},
 100         {"rx_mbuf_allocation_errors", offsetof(struct fm10k_hw_stats,
 101                 nodesc_drop)},
 102 };
 103
 104 #define FM10K_NB_HW_XSTATS (sizeof(fm10k_hw_stats_strings) / \
 105                 sizeof(fm10k_hw_stats_strings[0]))
 106
 107 struct fm10k_xstats_name_off fm10k_hw_stats_rx_q_strings[] = {
 108         {"packets", offsetof(struct fm10k_hw_stats_q, rx_packets)},
 109         {"bytes", offsetof(struct fm10k_hw_stats_q, rx_bytes)},
 110         {"dropped", offsetof(struct fm10k_hw_stats_q, rx_drops)},
 111 };
 112
 113 #define FM10K_NB_RX_Q_XSTATS (sizeof(fm10k_hw_stats_rx_q_strings) / \
 114                 sizeof(fm10k_hw_stats_rx_q_strings[0]))
 115
 116 struct fm10k_xstats_name_off fm10k_hw_stats_tx_q_strings[] = {
 117         {"packets", offsetof(struct fm10k_hw_stats_q, tx_packets)},
 118         {"bytes", offsetof(struct fm10k_hw_stats_q, tx_bytes)},
 119 };
 120
 121 #define FM10K_NB_TX_Q_XSTATS (sizeof(fm10k_hw_stats_tx_q_strings) / \
 122                 sizeof(fm10k_hw_stats_tx_q_strings[0]))
 123
 124 #define FM10K_NB_XSTATS (FM10K_NB_HW_XSTATS + FM10K_MAX_QUEUES_PF * \
 125                 (FM10K_NB_RX_Q_XSTATS + FM10K_NB_TX_Q_XSTATS))
 126 static int
 127 fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev *dev);
 128
 129 static void
 130 fm10k_mbx_initlock(struct fm10k_hw *hw)
 131 {
 132         rte_spinlock_init(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back));
 133 }
 134
 135 static void
 136 fm10k_mbx_lock(struct fm10k_hw *hw)
 137 {
 138         while (!rte_spinlock_trylock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back)))
 139                 rte_delay_us(FM10K_MBXLOCK_DELAY_US);
 140 }
 141
 142 static void
 143 fm10k_mbx_unlock(struct fm10k_hw *hw)
 144 {
 145         rte_spinlock_unlock(FM10K_DEV_PRIVATE_TO_MBXLOCK(hw->back));
 146 }
 147
 148 /* Stubs needed for linkage when vPMD is disabled */
 149 int __attribute__((weak))
 150 fm10k_rx_vec_condition_check(__rte_unused struct rte_eth_dev *dev)
 151 {
 152         return -1;
 153 }
 154
 155 uint16_t __attribute__((weak))
 156 fm10k_recv_pkts_vec(
 157         __rte_unused void *rx_queue,
 158         __rte_unused struct rte_mbuf **rx_pkts,
 159         __rte_unused uint16_t nb_pkts)
 160 {
 161         return 0;
 162 }
 163
 164 uint16_t __attribute__((weak))
 165 fm10k_recv_scattered_pkts_vec(
 166                 __rte_unused void *rx_queue,
 167                 __rte_unused struct rte_mbuf **rx_pkts,
 168                 __rte_unused uint16_t nb_pkts)
 169 {
 170         return 0;
 171 }
 172
 173 int __attribute__((weak))
 174 fm10k_rxq_vec_setup(__rte_unused struct fm10k_rx_queue *rxq)
 175
 176 {
 177         return -1;
 178 }
 179
 180 void __attribute__((weak))
 181 fm10k_rx_queue_release_mbufs_vec(
 182                 __rte_unused struct fm10k_rx_queue *rxq)
 183 {
 184         return;
 185 }
 186
 187 void __attribute__((weak))
 188 fm10k_txq_vec_setup(__rte_unused struct fm10k_tx_queue *txq)
 189 {
 190         return;
 191 }
 192
 193 int __attribute__((weak))
 194 fm10k_tx_vec_condition_check(__rte_unused struct fm10k_tx_queue *txq)
 195 {
 196         return -1;
 197 }
 198
 199 uint16_t __attribute__((weak))
 200 fm10k_xmit_pkts_vec(__rte_unused void *tx_queue,
 201                 __rte_unused struct rte_mbuf **tx_pkts,
 202                 __rte_unused uint16_t nb_pkts)
 203 {
 204         return 0;
 205 }
 206
 207 /*
 208  * reset queue to initial state, allocate software buffers used when starting
 209  * device.
 210  * return 0 on success
 211  * return -ENOMEM if buffers cannot be allocated
 212  * return -EINVAL if buffers do not satisfy alignment condition
 213  */
 214 static inline int
 215 rx_queue_reset(struct fm10k_rx_queue *q)
 216 {
 217         static const union fm10k_rx_desc zero = {{0} };
 218         uint64_t dma_addr;
 219         int i, diag;
 220         PMD_INIT_FUNC_TRACE();
 221
 222         diag = rte_mempool_get_bulk(q->mp, (void **)q->sw_ring, q->nb_desc);
 223         if (diag != 0)
 224                 return -ENOMEM;
 225
 226         for (i = 0; i < q->nb_desc; ++i) {
 227                 fm10k_pktmbuf_reset(q->sw_ring[i], q->port_id);
 228                 if (!fm10k_addr_alignment_valid(q->sw_ring[i])) {
 229                         rte_mempool_put_bulk(q->mp, (void **)q->sw_ring,
 230                                                 q->nb_desc);
 231                         return -EINVAL;
 232                 }
 233                 dma_addr = MBUF_DMA_ADDR_DEFAULT(q->sw_ring[i]);
 234                 q->hw_ring[i].q.pkt_addr = dma_addr;
 235                 q->hw_ring[i].q.hdr_addr = dma_addr;
 236         }
 237
 238         /* initialize extra software ring entries. Space for these extra
 239          * entries is always allocated.
 240          */
 241         memset(&q->fake_mbuf, 0x0, sizeof(q->fake_mbuf));
 242         for (i = 0; i < q->nb_fake_desc; ++i) {
 243                 q->sw_ring[q->nb_desc + i] = &q->fake_mbuf;
 244                 q->hw_ring[q->nb_desc + i] = zero;
 245         }
 246
 247         q->next_dd = 0;
 248         q->next_alloc = 0;
 249         q->next_trigger = q->alloc_thresh - 1;
 250         FM10K_PCI_REG_WRITE(q->tail_ptr, q->nb_desc - 1);
 251         q->rxrearm_start = 0;
 252         q->rxrearm_nb = 0;
 253
 254         return 0;
 255 }
 256
 257 /*
 258  * clean queue, descriptor rings, free software buffers used when stopping
 259  * device.
 260  */
 261 static inline void
 262 rx_queue_clean(struct fm10k_rx_queue *q)
 263 {
 264         union fm10k_rx_desc zero = {.q = {0, 0, 0, 0} };
 265         uint32_t i;
 266         PMD_INIT_FUNC_TRACE();
 267
 268         /* zero descriptor rings */
 269         for (i = 0; i < q->nb_desc; ++i)
 270                 q->hw_ring[i] = zero;
 271
 272         /* zero faked descriptors */
 273         for (i = 0; i < q->nb_fake_desc; ++i)
 274                 q->hw_ring[q->nb_desc + i] = zero;
 275
 276         /* vPMD driver has a different way of releasing mbufs. */
 277         if (q->rx_using_sse) {
 278                 fm10k_rx_queue_release_mbufs_vec(q);
 279                 return;
 280         }
 281
 282         /* free software buffers */
 283         for (i = 0; i < q->nb_desc; ++i) {
 284                 if (q->sw_ring[i]) {
 285                         rte_pktmbuf_free_seg(q->sw_ring[i]);
 286                         q->sw_ring[i] = NULL;
 287                 }
 288         }
 289 }
 290
 291 /*
 292  * free all queue memory used when releasing the queue (i.e. configure)
 293  */
 294 static inline void
 295 rx_queue_free(struct fm10k_rx_queue *q)
 296 {
 297         PMD_INIT_FUNC_TRACE();
 298         if (q) {
 299                 PMD_INIT_LOG(DEBUG, "Freeing rx queue %p", q);
 300                 rx_queue_clean(q);
 301                 if (q->sw_ring) {
 302                         rte_free(q->sw_ring);
 303                         q->sw_ring = NULL;
 304                 }
 305                 rte_free(q);
 306                 q = NULL;
 307         }
 308 }
 309
 310 /*
 311  * disable RX queue, wait unitl HW finished necessary flush operation
 312  */
 313 static inline int
 314 rx_queue_disable(struct fm10k_hw *hw, uint16_t qnum)
 315 {
 316         uint32_t reg, i;
 317
 318         reg = FM10K_READ_REG(hw, FM10K_RXQCTL(qnum));
 319         FM10K_WRITE_REG(hw, FM10K_RXQCTL(qnum),
 320                         reg & ~FM10K_RXQCTL_ENABLE);
 321
 322         /* Wait 100us at most */
 323         for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) {
 324                 rte_delay_us(1);
 325                 reg = FM10K_READ_REG(hw, FM10K_RXQCTL(qnum));
 326                 if (!(reg & FM10K_RXQCTL_ENABLE))
 327                         break;
 328         }
 329
 330         if (i == FM10K_QUEUE_DISABLE_TIMEOUT)
 331                 return -1;
 332
 333         return 0;
 334 }
 335
 336 /*
 337  * reset queue to initial state, allocate software buffers used when starting
 338  * device
 339  */
 340 static inline void
 341 tx_queue_reset(struct fm10k_tx_queue *q)
 342 {
 343         PMD_INIT_FUNC_TRACE();
 344         q->last_free = 0;
 345         q->next_free = 0;
 346         q->nb_used = 0;
 347         q->nb_free = q->nb_desc - 1;
 348         fifo_reset(&q->rs_tracker, (q->nb_desc + 1) / q->rs_thresh);
 349         FM10K_PCI_REG_WRITE(q->tail_ptr, 0);
 350 }
 351
 352 /*
 353  * clean queue, descriptor rings, free software buffers used when stopping
 354  * device
 355  */
 356 static inline void
 357 tx_queue_clean(struct fm10k_tx_queue *q)
 358 {
 359         struct fm10k_tx_desc zero = {0, 0, 0, 0, 0, 0};
 360         uint32_t i;
 361         PMD_INIT_FUNC_TRACE();
 362
 363         /* zero descriptor rings */
 364         for (i = 0; i < q->nb_desc; ++i)
 365                 q->hw_ring[i] = zero;
 366
 367         /* free software buffers */
 368         for (i = 0; i < q->nb_desc; ++i) {
 369                 if (q->sw_ring[i]) {
 370                         rte_pktmbuf_free_seg(q->sw_ring[i]);
 371                         q->sw_ring[i] = NULL;
 372                 }
 373         }
 374 }
 375
 376 /*
 377  * free all queue memory used when releasing the queue (i.e. configure)
 378  */
 379 static inline void
 380 tx_queue_free(struct fm10k_tx_queue *q)
 381 {
 382         PMD_INIT_FUNC_TRACE();
 383         if (q) {
 384                 PMD_INIT_LOG(DEBUG, "Freeing tx queue %p", q);
 385                 tx_queue_clean(q);
 386                 if (q->rs_tracker.list) {
 387                         rte_free(q->rs_tracker.list);
 388                         q->rs_tracker.list = NULL;
 389                 }
 390                 if (q->sw_ring) {
 391                         rte_free(q->sw_ring);
 392                         q->sw_ring = NULL;
 393                 }
 394                 rte_free(q);
 395                 q = NULL;
 396         }
 397 }
 398
 399 /*
 400  * disable TX queue, wait unitl HW finished necessary flush operation
 401  */
 402 static inline int
 403 tx_queue_disable(struct fm10k_hw *hw, uint16_t qnum)
 404 {
 405         uint32_t reg, i;
 406
 407         reg = FM10K_READ_REG(hw, FM10K_TXDCTL(qnum));
 408         FM10K_WRITE_REG(hw, FM10K_TXDCTL(qnum),
 409                         reg & ~FM10K_TXDCTL_ENABLE);
 410
 411         /* Wait 100us at most */
 412         for (i = 0; i < FM10K_QUEUE_DISABLE_TIMEOUT; i++) {
 413                 rte_delay_us(1);
 414                 reg = FM10K_READ_REG(hw, FM10K_TXDCTL(qnum));
 415                 if (!(reg & FM10K_TXDCTL_ENABLE))
 416                         break;
 417         }
 418
 419         if (i == FM10K_QUEUE_DISABLE_TIMEOUT)
 420                 return -1;
 421
 422         return 0;
 423 }
 424
 425 static int
 426 fm10k_check_mq_mode(struct rte_eth_dev *dev)
 427 {
 428         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
 429         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 430         struct rte_eth_vmdq_rx_conf *vmdq_conf;
 431         uint16_t nb_rx_q = dev->data->nb_rx_queues;
 432
 433         vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
 434
 435         if (rx_mq_mode & ETH_MQ_RX_DCB_FLAG) {
 436                 PMD_INIT_LOG(ERR, "DCB mode is not supported.");
 437                 return -EINVAL;
 438         }
 439
 440         if (!(rx_mq_mode & ETH_MQ_RX_VMDQ_FLAG))
 441                 return 0;
 442
 443         if (hw->mac.type == fm10k_mac_vf) {
 444                 PMD_INIT_LOG(ERR, "VMDQ mode is not supported in VF.");
 445                 return -EINVAL;
 446         }
 447
 448         /* Check VMDQ queue pool number */
 449         if (vmdq_conf->nb_queue_pools >
 450                         sizeof(vmdq_conf->pool_map[0].pools) * CHAR_BIT ||
 451                         vmdq_conf->nb_queue_pools > nb_rx_q) {
 452                 PMD_INIT_LOG(ERR, "Too many of queue pools: %d",
 453                         vmdq_conf->nb_queue_pools);
 454                 return -EINVAL;
 455         }
 456
 457         return 0;
 458 }
 459
 460 static const struct fm10k_txq_ops def_txq_ops = {
 461         .reset = tx_queue_reset,
 462 };
 463
 464 static int
 465 fm10k_dev_configure(struct rte_eth_dev *dev)
 466 {
 467         int ret;
 468
 469         PMD_INIT_FUNC_TRACE();
 470
 471         if (dev->data->dev_conf.rxmode.hw_strip_crc == 0)
 472                 PMD_INIT_LOG(WARNING, "fm10k always strip CRC");
 473         /* multipe queue mode checking */
 474         ret  = fm10k_check_mq_mode(dev);
 475         if (ret != 0) {
 476                 PMD_DRV_LOG(ERR, "fm10k_check_mq_mode fails with %d.",
 477                             ret);
 478                 return ret;
 479         }
 480
 481         return 0;
 482 }
 483
 484 /* fls = find last set bit = 32 minus the number of leading zeros */
 485 #ifndef fls
 486 #define fls(x) (((x) == 0) ? 0 : (32 - __builtin_clz((x))))
 487 #endif
 488
 489 static void
 490 fm10k_dev_vmdq_rx_configure(struct rte_eth_dev *dev)
 491 {
 492         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 493         struct rte_eth_vmdq_rx_conf *vmdq_conf;
 494         uint32_t i;
 495
 496         vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
 497
 498         for (i = 0; i < vmdq_conf->nb_pool_maps; i++) {
 499                 if (!vmdq_conf->pool_map[i].pools)
 500                         continue;
 501                 fm10k_mbx_lock(hw);
 502                 fm10k_update_vlan(hw, vmdq_conf->pool_map[i].vlan_id, 0, true);
 503                 fm10k_mbx_unlock(hw);
 504         }
 505 }
 506
 507 static void
 508 fm10k_dev_pf_main_vsi_reset(struct rte_eth_dev *dev)
 509 {
 510         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 511
 512         /* Add default mac address */
 513         fm10k_MAC_filter_set(dev, hw->mac.addr, true,
 514                 MAIN_VSI_POOL_NUMBER);
 515 }
 516
 517 static void
 518 fm10k_dev_rss_configure(struct rte_eth_dev *dev)
 519 {
 520         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 521         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 522         uint32_t mrqc, *key, i, reta, j;
 523         uint64_t hf;
 524
 525 #define RSS_KEY_SIZE 40
 526         static uint8_t rss_intel_key[RSS_KEY_SIZE] = {
 527                 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2,
 528                 0x41, 0x67, 0x25, 0x3D, 0x43, 0xA3, 0x8F, 0xB0,
 529                 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
 530                 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C,
 531                 0x6A, 0x42, 0xB7, 0x3B, 0xBE, 0xAC, 0x01, 0xFA,
 532         };
 533
 534         if (dev->data->nb_rx_queues == 1 ||
 535             dev_conf->rxmode.mq_mode != ETH_MQ_RX_RSS ||
 536             dev_conf->rx_adv_conf.rss_conf.rss_hf == 0) {
 537                 FM10K_WRITE_REG(hw, FM10K_MRQC(0), 0);
 538                 return;
 539         }
 540
 541         /* random key is rss_intel_key (default) or user provided (rss_key) */
 542         if (dev_conf->rx_adv_conf.rss_conf.rss_key == NULL)
 543                 key = (uint32_t *)rss_intel_key;
 544         else
 545                 key = (uint32_t *)dev_conf->rx_adv_conf.rss_conf.rss_key;
 546
 547         /* Now fill our hash function seeds, 4 bytes at a time */
 548         for (i = 0; i < RSS_KEY_SIZE / sizeof(*key); ++i)
 549                 FM10K_WRITE_REG(hw, FM10K_RSSRK(0, i), key[i]);
 550
 551         /*
 552          * Fill in redirection table
 553          * The byte-swap is needed because NIC registers are in
 554          * little-endian order.
 555          */
 556         reta = 0;
 557         for (i = 0, j = 0; i < FM10K_MAX_RSS_INDICES; i++, j++) {
 558                 if (j == dev->data->nb_rx_queues)
 559                         j = 0;
 560                 reta = (reta << CHAR_BIT) | j;
 561                 if ((i & 3) == 3)
 562                         FM10K_WRITE_REG(hw, FM10K_RETA(0, i >> 2),
 563                                         rte_bswap32(reta));
 564         }
 565
 566         /*
 567          * Generate RSS hash based on packet types, TCP/UDP
 568          * port numbers and/or IPv4/v6 src and dst addresses
 569          */
 570         hf = dev_conf->rx_adv_conf.rss_conf.rss_hf;
 571         mrqc = 0;
 572         mrqc |= (hf & ETH_RSS_IPV4)              ? FM10K_MRQC_IPV4     : 0;
 573         mrqc |= (hf & ETH_RSS_IPV6)              ? FM10K_MRQC_IPV6     : 0;
 574         mrqc |= (hf & ETH_RSS_IPV6_EX)           ? FM10K_MRQC_IPV6     : 0;
 575         mrqc |= (hf & ETH_RSS_NONFRAG_IPV4_TCP)  ? FM10K_MRQC_TCP_IPV4 : 0;
 576         mrqc |= (hf & ETH_RSS_NONFRAG_IPV6_TCP)  ? FM10K_MRQC_TCP_IPV6 : 0;
 577         mrqc |= (hf & ETH_RSS_IPV6_TCP_EX)       ? FM10K_MRQC_TCP_IPV6 : 0;
 578         mrqc |= (hf & ETH_RSS_NONFRAG_IPV4_UDP)  ? FM10K_MRQC_UDP_IPV4 : 0;
 579         mrqc |= (hf & ETH_RSS_NONFRAG_IPV6_UDP)  ? FM10K_MRQC_UDP_IPV6 : 0;
 580         mrqc |= (hf & ETH_RSS_IPV6_UDP_EX)       ? FM10K_MRQC_UDP_IPV6 : 0;
 581
 582         if (mrqc == 0) {
 583                 PMD_INIT_LOG(ERR, "Specified RSS mode 0x%"PRIx64"is not"
 584                         "supported", hf);
 585                 return;
 586         }
 587
 588         FM10K_WRITE_REG(hw, FM10K_MRQC(0), mrqc);
 589 }
 590
 591 static void
 592 fm10k_dev_logic_port_update(struct rte_eth_dev *dev, uint16_t nb_lport_new)
 593 {
 594         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 595         uint32_t i;
 596
 597         for (i = 0; i < nb_lport_new; i++) {
 598                 /* Set unicast mode by default. App can change
 599                  * to other mode in other API func.
 600                  */
 601                 fm10k_mbx_lock(hw);
 602                 hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map + i,
 603                         FM10K_XCAST_MODE_NONE);
 604                 fm10k_mbx_unlock(hw);
 605         }
 606 }
 607
 608 static void
 609 fm10k_dev_mq_rx_configure(struct rte_eth_dev *dev)
 610 {
 611         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 612         struct rte_eth_vmdq_rx_conf *vmdq_conf;
 613         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
 614         struct fm10k_macvlan_filter_info *macvlan;
 615         uint16_t nb_queue_pools = 0; /* pool number in configuration */
 616         uint16_t nb_lport_new;
 617
 618         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
 619         vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
 620
 621         fm10k_dev_rss_configure(dev);
 622
 623         /* only PF supports VMDQ */
 624         if (hw->mac.type != fm10k_mac_pf)
 625                 return;
 626
 627         if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_FLAG)
 628                 nb_queue_pools = vmdq_conf->nb_queue_pools;
 629
 630         /* no pool number change, no need to update logic port and VLAN/MAC */
 631         if (macvlan->nb_queue_pools == nb_queue_pools)
 632                 return;
 633
 634         nb_lport_new = nb_queue_pools ? nb_queue_pools : 1;
 635         fm10k_dev_logic_port_update(dev, nb_lport_new);
 636
 637         /* reset MAC/VLAN as it's based on VMDQ or PF main VSI */
 638         memset(dev->data->mac_addrs, 0,
 639                 ETHER_ADDR_LEN * FM10K_MAX_MACADDR_NUM);
 640         ether_addr_copy((const struct ether_addr *)hw->mac.addr,
 641                 &dev->data->mac_addrs[0]);
 642         memset(macvlan, 0, sizeof(*macvlan));
 643         macvlan->nb_queue_pools = nb_queue_pools;
 644
 645         if (nb_queue_pools)
 646                 fm10k_dev_vmdq_rx_configure(dev);
 647         else
 648                 fm10k_dev_pf_main_vsi_reset(dev);
 649 }
 650
 651 static int
 652 fm10k_dev_tx_init(struct rte_eth_dev *dev)
 653 {
 654         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 655         int i, ret;
 656         struct fm10k_tx_queue *txq;
 657         uint64_t base_addr;
 658         uint32_t size;
 659
 660         /* Disable TXINT to avoid possible interrupt */
 661         for (i = 0; i < hw->mac.max_queues; i++)
 662                 FM10K_WRITE_REG(hw, FM10K_TXINT(i),
 663                                 3 << FM10K_TXINT_TIMER_SHIFT);
 664
 665         /* Setup TX queue */
 666         for (i = 0; i < dev->data->nb_tx_queues; ++i) {
 667                 txq = dev->data->tx_queues[i];
 668                 base_addr = txq->hw_ring_phys_addr;
 669                 size = txq->nb_desc * sizeof(struct fm10k_tx_desc);
 670
 671                 /* disable queue to avoid issues while updating state */
 672                 ret = tx_queue_disable(hw, i);
 673                 if (ret) {
 674                         PMD_INIT_LOG(ERR, "failed to disable queue %d", i);
 675                         return -1;
 676                 }
 677                 /* Enable use of FTAG bit in TX descriptor, PFVTCTL
 678                  * register is read-only for VF.
 679                  */
 680                 if (fm10k_check_ftag(dev->device->devargs)) {
 681                         if (hw->mac.type == fm10k_mac_pf) {
 682                                 FM10K_WRITE_REG(hw, FM10K_PFVTCTL(i),
 683                                                 FM10K_PFVTCTL_FTAG_DESC_ENABLE);
 684                                 PMD_INIT_LOG(DEBUG, "FTAG mode is enabled");
 685                         } else {
 686                                 PMD_INIT_LOG(ERR, "VF FTAG is not supported.");
 687                                 return -ENOTSUP;
 688                         }
 689                 }
 690
 691                 /* set location and size for descriptor ring */
 692                 FM10K_WRITE_REG(hw, FM10K_TDBAL(i),
 693                                 base_addr & UINT64_LOWER_32BITS_MASK);
 694                 FM10K_WRITE_REG(hw, FM10K_TDBAH(i),
 695                                 base_addr >> (CHAR_BIT * sizeof(uint32_t)));
 696                 FM10K_WRITE_REG(hw, FM10K_TDLEN(i), size);
 697
 698                 /* assign default SGLORT for each TX queue by PF */
 699                 if (hw->mac.type == fm10k_mac_pf)
 700                         FM10K_WRITE_REG(hw, FM10K_TX_SGLORT(i), hw->mac.dglort_map);
 701         }
 702
 703         /* set up vector or scalar TX function as appropriate */
 704         fm10k_set_tx_function(dev);
 705
 706         return 0;
 707 }
 708
 709 static int
 710 fm10k_dev_rx_init(struct rte_eth_dev *dev)
 711 {
 712         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 713         struct fm10k_macvlan_filter_info *macvlan;
 714         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
 715         struct rte_intr_handle *intr_handle = &pdev->intr_handle;
 716         int i, ret;
 717         struct fm10k_rx_queue *rxq;
 718         uint64_t base_addr;
 719         uint32_t size;
 720         uint32_t rxdctl = FM10K_RXDCTL_WRITE_BACK_MIN_DELAY;
 721         uint32_t logic_port = hw->mac.dglort_map;
 722         uint16_t buf_size;
 723         uint16_t queue_stride = 0;
 724
 725         /* enable RXINT for interrupt mode */
 726         i = 0;
 727         if (rte_intr_dp_is_en(intr_handle)) {
 728                 for (; i < dev->data->nb_rx_queues; i++) {
 729                         FM10K_WRITE_REG(hw, FM10K_RXINT(i), Q2V(pdev, i));
 730                         if (hw->mac.type == fm10k_mac_pf)
 731                                 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, i)),
 732                                         FM10K_ITR_AUTOMASK |
 733                                         FM10K_ITR_MASK_CLEAR);
 734                         else
 735                                 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, i)),
 736                                         FM10K_ITR_AUTOMASK |
 737                                         FM10K_ITR_MASK_CLEAR);
 738                 }
 739         }
 740         /* Disable other RXINT to avoid possible interrupt */
 741         for (; i < hw->mac.max_queues; i++)
 742                 FM10K_WRITE_REG(hw, FM10K_RXINT(i),
 743                         3 << FM10K_RXINT_TIMER_SHIFT);
 744
 745         /* Setup RX queues */
 746         for (i = 0; i < dev->data->nb_rx_queues; ++i) {
 747                 rxq = dev->data->rx_queues[i];
 748                 base_addr = rxq->hw_ring_phys_addr;
 749                 size = rxq->nb_desc * sizeof(union fm10k_rx_desc);
 750
 751                 /* disable queue to avoid issues while updating state */
 752                 ret = rx_queue_disable(hw, i);
 753                 if (ret) {
 754                         PMD_INIT_LOG(ERR, "failed to disable queue %d", i);
 755                         return -1;
 756                 }
 757
 758                 /* Setup the Base and Length of the Rx Descriptor Ring */
 759                 FM10K_WRITE_REG(hw, FM10K_RDBAL(i),
 760                                 base_addr & UINT64_LOWER_32BITS_MASK);
 761                 FM10K_WRITE_REG(hw, FM10K_RDBAH(i),
 762                                 base_addr >> (CHAR_BIT * sizeof(uint32_t)));
 763                 FM10K_WRITE_REG(hw, FM10K_RDLEN(i), size);
 764
 765                 /* Configure the Rx buffer size for one buff without split */
 766                 buf_size = (uint16_t)(rte_pktmbuf_data_room_size(rxq->mp) -
 767                         RTE_PKTMBUF_HEADROOM);
 768                 /* As RX buffer is aligned to 512B within mbuf, some bytes are
 769                  * reserved for this purpose, and the worst case could be 511B.
 770                  * But SRR reg assumes all buffers have the same size. In order
 771                  * to fill the gap, we'll have to consider the worst case and
 772                  * assume 512B is reserved. If we don't do so, it's possible
 773                  * for HW to overwrite data to next mbuf.
 774                  */
 775                 buf_size -= FM10K_RX_DATABUF_ALIGN;
 776
 777                 FM10K_WRITE_REG(hw, FM10K_SRRCTL(i),
 778                                 (buf_size >> FM10K_SRRCTL_BSIZEPKT_SHIFT) |
 779                                 FM10K_SRRCTL_LOOPBACK_SUPPRESS);
 780
 781                 /* It adds dual VLAN length for supporting dual VLAN */
 782                 if ((dev->data->dev_conf.rxmode.max_rx_pkt_len +
 783                                 2 * FM10K_VLAN_TAG_SIZE) > buf_size ||
 784                         dev->data->dev_conf.rxmode.enable_scatter) {
 785                         uint32_t reg;
 786                         dev->data->scattered_rx = 1;
 787                         reg = FM10K_READ_REG(hw, FM10K_SRRCTL(i));
 788                         reg |= FM10K_SRRCTL_BUFFER_CHAINING_EN;
 789                         FM10K_WRITE_REG(hw, FM10K_SRRCTL(i), reg);
 790                 }
 791
 792                 /* Enable drop on empty, it's RO for VF */
 793                 if (hw->mac.type == fm10k_mac_pf && rxq->drop_en)
 794                         rxdctl |= FM10K_RXDCTL_DROP_ON_EMPTY;
 795
 796                 FM10K_WRITE_REG(hw, FM10K_RXDCTL(i), rxdctl);
 797                 FM10K_WRITE_FLUSH(hw);
 798         }
 799
 800         /* Configure VMDQ/RSS if applicable */
 801         fm10k_dev_mq_rx_configure(dev);
 802
 803         /* Decide the best RX function */
 804         fm10k_set_rx_function(dev);
 805
 806         /* update RX_SGLORT for loopback suppress*/
 807         if (hw->mac.type != fm10k_mac_pf)
 808                 return 0;
 809         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
 810         if (macvlan->nb_queue_pools)
 811                 queue_stride = dev->data->nb_rx_queues / macvlan->nb_queue_pools;
 812         for (i = 0; i < dev->data->nb_rx_queues; ++i) {
 813                 if (i && queue_stride && !(i % queue_stride))
 814                         logic_port++;
 815                 FM10K_WRITE_REG(hw, FM10K_RX_SGLORT(i), logic_port);
 816         }
 817
 818         return 0;
 819 }
 820
 821 static int
 822 fm10k_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 823 {
 824         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 825         int err = -1;
 826         uint32_t reg;
 827         struct fm10k_rx_queue *rxq;
 828
 829         PMD_INIT_FUNC_TRACE();
 830
 831         if (rx_queue_id < dev->data->nb_rx_queues) {
 832                 rxq = dev->data->rx_queues[rx_queue_id];
 833                 err = rx_queue_reset(rxq);
 834                 if (err == -ENOMEM) {
 835                         PMD_INIT_LOG(ERR, "Failed to alloc memory : %d", err);
 836                         return err;
 837                 } else if (err == -EINVAL) {
 838                         PMD_INIT_LOG(ERR, "Invalid buffer address alignment :"
 839                                 " %d", err);
 840                         return err;
 841                 }
 842
 843                 /* Setup the HW Rx Head and Tail Descriptor Pointers
 844                  * Note: this must be done AFTER the queue is enabled on real
 845                  * hardware, but BEFORE the queue is enabled when using the
 846                  * emulation platform. Do it in both places for now and remove
 847                  * this comment and the following two register writes when the
 848                  * emulation platform is no longer being used.
 849                  */
 850                 FM10K_WRITE_REG(hw, FM10K_RDH(rx_queue_id), 0);
 851                 FM10K_WRITE_REG(hw, FM10K_RDT(rx_queue_id), rxq->nb_desc - 1);
 852
 853                 /* Set PF ownership flag for PF devices */
 854                 reg = FM10K_READ_REG(hw, FM10K_RXQCTL(rx_queue_id));
 855                 if (hw->mac.type == fm10k_mac_pf)
 856                         reg |= FM10K_RXQCTL_PF;
 857                 reg |= FM10K_RXQCTL_ENABLE;
 858                 /* enable RX queue */
 859                 FM10K_WRITE_REG(hw, FM10K_RXQCTL(rx_queue_id), reg);
 860                 FM10K_WRITE_FLUSH(hw);
 861
 862                 /* Setup the HW Rx Head and Tail Descriptor Pointers
 863                  * Note: this must be done AFTER the queue is enabled
 864                  */
 865                 FM10K_WRITE_REG(hw, FM10K_RDH(rx_queue_id), 0);
 866                 FM10K_WRITE_REG(hw, FM10K_RDT(rx_queue_id), rxq->nb_desc - 1);
 867                 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 868         }
 869
 870         return err;
 871 }
 872
 873 static int
 874 fm10k_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
 875 {
 876         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 877
 878         PMD_INIT_FUNC_TRACE();
 879
 880         if (rx_queue_id < dev->data->nb_rx_queues) {
 881                 /* Disable RX queue */
 882                 rx_queue_disable(hw, rx_queue_id);
 883
 884                 /* Free mbuf and clean HW ring */
 885                 rx_queue_clean(dev->data->rx_queues[rx_queue_id]);
 886                 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 887         }
 888
 889         return 0;
 890 }
 891
 892 static int
 893 fm10k_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 894 {
 895         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 896         /** @todo - this should be defined in the shared code */
 897 #define FM10K_TXDCTL_WRITE_BACK_MIN_DELAY       0x00010000
 898         uint32_t txdctl = FM10K_TXDCTL_WRITE_BACK_MIN_DELAY;
 899         int err = 0;
 900
 901         PMD_INIT_FUNC_TRACE();
 902
 903         if (tx_queue_id < dev->data->nb_tx_queues) {
 904                 struct fm10k_tx_queue *q = dev->data->tx_queues[tx_queue_id];
 905
 906                 q->ops->reset(q);
 907
 908                 /* reset head and tail pointers */
 909                 FM10K_WRITE_REG(hw, FM10K_TDH(tx_queue_id), 0);
 910                 FM10K_WRITE_REG(hw, FM10K_TDT(tx_queue_id), 0);
 911
 912                 /* enable TX queue */
 913                 FM10K_WRITE_REG(hw, FM10K_TXDCTL(tx_queue_id),
 914                                         FM10K_TXDCTL_ENABLE | txdctl);
 915                 FM10K_WRITE_FLUSH(hw);
 916                 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
 917         } else
 918                 err = -1;
 919
 920         return err;
 921 }
 922
 923 static int
 924 fm10k_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
 925 {
 926         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 927
 928         PMD_INIT_FUNC_TRACE();
 929
 930         if (tx_queue_id < dev->data->nb_tx_queues) {
 931                 tx_queue_disable(hw, tx_queue_id);
 932                 tx_queue_clean(dev->data->tx_queues[tx_queue_id]);
 933                 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
 934         }
 935
 936         return 0;
 937 }
 938
 939 static inline int fm10k_glort_valid(struct fm10k_hw *hw)
 940 {
 941         return ((hw->mac.dglort_map & FM10K_DGLORTMAP_NONE)
 942                 != FM10K_DGLORTMAP_NONE);
 943 }
 944
 945 static void
 946 fm10k_dev_promiscuous_enable(struct rte_eth_dev *dev)
 947 {
 948         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 949         int status;
 950
 951         PMD_INIT_FUNC_TRACE();
 952
 953         /* Return if it didn't acquire valid glort range */
 954         if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
 955                 return;
 956
 957         fm10k_mbx_lock(hw);
 958         status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
 959                                 FM10K_XCAST_MODE_PROMISC);
 960         fm10k_mbx_unlock(hw);
 961
 962         if (status != FM10K_SUCCESS)
 963                 PMD_INIT_LOG(ERR, "Failed to enable promiscuous mode");
 964 }
 965
 966 static void
 967 fm10k_dev_promiscuous_disable(struct rte_eth_dev *dev)
 968 {
 969         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 970         uint8_t mode;
 971         int status;
 972
 973         PMD_INIT_FUNC_TRACE();
 974
 975         /* Return if it didn't acquire valid glort range */
 976         if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
 977                 return;
 978
 979         if (dev->data->all_multicast == 1)
 980                 mode = FM10K_XCAST_MODE_ALLMULTI;
 981         else
 982                 mode = FM10K_XCAST_MODE_NONE;
 983
 984         fm10k_mbx_lock(hw);
 985         status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
 986                                 mode);
 987         fm10k_mbx_unlock(hw);
 988
 989         if (status != FM10K_SUCCESS)
 990                 PMD_INIT_LOG(ERR, "Failed to disable promiscuous mode");
 991 }
 992
 993 static void
 994 fm10k_dev_allmulticast_enable(struct rte_eth_dev *dev)
 995 {
 996         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 997         int status;
 998
 999         PMD_INIT_FUNC_TRACE();
1000
1001         /* Return if it didn't acquire valid glort range */
1002         if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
1003                 return;
1004
1005         /* If promiscuous mode is enabled, it doesn't make sense to enable
1006          * allmulticast and disable promiscuous since fm10k only can select
1007          * one of the modes.
1008          */
1009         if (dev->data->promiscuous) {
1010                 PMD_INIT_LOG(INFO, "Promiscuous mode is enabled, "\
1011                         "needn't enable allmulticast");
1012                 return;
1013         }
1014
1015         fm10k_mbx_lock(hw);
1016         status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
1017                                 FM10K_XCAST_MODE_ALLMULTI);
1018         fm10k_mbx_unlock(hw);
1019
1020         if (status != FM10K_SUCCESS)
1021                 PMD_INIT_LOG(ERR, "Failed to enable allmulticast mode");
1022 }
1023
1024 static void
1025 fm10k_dev_allmulticast_disable(struct rte_eth_dev *dev)
1026 {
1027         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1028         int status;
1029
1030         PMD_INIT_FUNC_TRACE();
1031
1032         /* Return if it didn't acquire valid glort range */
1033         if ((hw->mac.type == fm10k_mac_pf) && !fm10k_glort_valid(hw))
1034                 return;
1035
1036         if (dev->data->promiscuous) {
1037                 PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode "\
1038                         "since promisc mode is enabled");
1039                 return;
1040         }
1041
1042         fm10k_mbx_lock(hw);
1043         /* Change mode to unicast mode */
1044         status = hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
1045                                 FM10K_XCAST_MODE_NONE);
1046         fm10k_mbx_unlock(hw);
1047
1048         if (status != FM10K_SUCCESS)
1049                 PMD_INIT_LOG(ERR, "Failed to disable allmulticast mode");
1050 }
1051
1052 static void
1053 fm10k_dev_dglort_map_configure(struct rte_eth_dev *dev)
1054 {
1055         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1056         uint32_t dglortdec, pool_len, rss_len, i, dglortmask;
1057         uint16_t nb_queue_pools;
1058         struct fm10k_macvlan_filter_info *macvlan;
1059
1060         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1061         nb_queue_pools = macvlan->nb_queue_pools;
1062         pool_len = nb_queue_pools ? fls(nb_queue_pools - 1) : 0;
1063         rss_len = fls(dev->data->nb_rx_queues - 1) - pool_len;
1064
1065         /* GLORT 0x0-0x3F are used by PF and VMDQ,  0x40-0x7F used by FD */
1066         dglortdec = (rss_len << FM10K_DGLORTDEC_RSSLENGTH_SHIFT) | pool_len;
1067         dglortmask = (GLORT_PF_MASK << FM10K_DGLORTMAP_MASK_SHIFT) |
1068                         hw->mac.dglort_map;
1069         FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(0), dglortmask);
1070         /* Configure VMDQ/RSS DGlort Decoder */
1071         FM10K_WRITE_REG(hw, FM10K_DGLORTDEC(0), dglortdec);
1072
1073         /* Flow Director configurations, only queue number is valid. */
1074         dglortdec = fls(dev->data->nb_rx_queues - 1);
1075         dglortmask = (GLORT_FD_MASK << FM10K_DGLORTMAP_MASK_SHIFT) |
1076                         (hw->mac.dglort_map + GLORT_FD_Q_BASE);
1077         FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(1), dglortmask);
1078         FM10K_WRITE_REG(hw, FM10K_DGLORTDEC(1), dglortdec);
1079
1080         /* Invalidate all other GLORT entries */
1081         for (i = 2; i < FM10K_DGLORT_COUNT; i++)
1082                 FM10K_WRITE_REG(hw, FM10K_DGLORTMAP(i),
1083                                 FM10K_DGLORTMAP_NONE);
1084 }
1085
1086 #define BSIZEPKT_ROUNDUP ((1 << FM10K_SRRCTL_BSIZEPKT_SHIFT) - 1)
1087 static int
1088 fm10k_dev_start(struct rte_eth_dev *dev)
1089 {
1090         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1091         int i, diag;
1092
1093         PMD_INIT_FUNC_TRACE();
1094
1095         /* stop, init, then start the hw */
1096         diag = fm10k_stop_hw(hw);
1097         if (diag != FM10K_SUCCESS) {
1098                 PMD_INIT_LOG(ERR, "Hardware stop failed: %d", diag);
1099                 return -EIO;
1100         }
1101
1102         diag = fm10k_init_hw(hw);
1103         if (diag != FM10K_SUCCESS) {
1104                 PMD_INIT_LOG(ERR, "Hardware init failed: %d", diag);
1105                 return -EIO;
1106         }
1107
1108         diag = fm10k_start_hw(hw);
1109         if (diag != FM10K_SUCCESS) {
1110                 PMD_INIT_LOG(ERR, "Hardware start failed: %d", diag);
1111                 return -EIO;
1112         }
1113
1114         diag = fm10k_dev_tx_init(dev);
1115         if (diag) {
1116                 PMD_INIT_LOG(ERR, "TX init failed: %d", diag);
1117                 return diag;
1118         }
1119
1120         if (fm10k_dev_rxq_interrupt_setup(dev))
1121                 return -EIO;
1122
1123         diag = fm10k_dev_rx_init(dev);
1124         if (diag) {
1125                 PMD_INIT_LOG(ERR, "RX init failed: %d", diag);
1126                 return diag;
1127         }
1128
1129         if (hw->mac.type == fm10k_mac_pf)
1130                 fm10k_dev_dglort_map_configure(dev);
1131
1132         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1133                 struct fm10k_rx_queue *rxq;
1134                 rxq = dev->data->rx_queues[i];
1135
1136                 if (rxq->rx_deferred_start)
1137                         continue;
1138                 diag = fm10k_dev_rx_queue_start(dev, i);
1139                 if (diag != 0) {
1140                         int j;
1141                         for (j = 0; j < i; ++j)
1142                                 rx_queue_clean(dev->data->rx_queues[j]);
1143                         return diag;
1144                 }
1145         }
1146
1147         for (i = 0; i < dev->data->nb_tx_queues; i++) {
1148                 struct fm10k_tx_queue *txq;
1149                 txq = dev->data->tx_queues[i];
1150
1151                 if (txq->tx_deferred_start)
1152                         continue;
1153                 diag = fm10k_dev_tx_queue_start(dev, i);
1154                 if (diag != 0) {
1155                         int j;
1156                         for (j = 0; j < i; ++j)
1157                                 tx_queue_clean(dev->data->tx_queues[j]);
1158                         for (j = 0; j < dev->data->nb_rx_queues; ++j)
1159                                 rx_queue_clean(dev->data->rx_queues[j]);
1160                         return diag;
1161                 }
1162         }
1163
1164         /* Update default vlan when not in VMDQ mode */
1165         if (!(dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_VMDQ_FLAG))
1166                 fm10k_vlan_filter_set(dev, hw->mac.default_vid, true);
1167
1168         return 0;
1169 }
1170
1171 static void
1172 fm10k_dev_stop(struct rte_eth_dev *dev)
1173 {
1174         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1175         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
1176         struct rte_intr_handle *intr_handle = &pdev->intr_handle;
1177         int i;
1178
1179         PMD_INIT_FUNC_TRACE();
1180
1181         if (dev->data->tx_queues)
1182                 for (i = 0; i < dev->data->nb_tx_queues; i++)
1183                         fm10k_dev_tx_queue_stop(dev, i);
1184
1185         if (dev->data->rx_queues)
1186                 for (i = 0; i < dev->data->nb_rx_queues; i++)
1187                         fm10k_dev_rx_queue_stop(dev, i);
1188
1189         /* Disable datapath event */
1190         if (rte_intr_dp_is_en(intr_handle)) {
1191                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1192                         FM10K_WRITE_REG(hw, FM10K_RXINT(i),
1193                                 3 << FM10K_RXINT_TIMER_SHIFT);
1194                         if (hw->mac.type == fm10k_mac_pf)
1195                                 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, i)),
1196                                         FM10K_ITR_MASK_SET);
1197                         else
1198                                 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, i)),
1199                                         FM10K_ITR_MASK_SET);
1200                 }
1201         }
1202         /* Clean datapath event and queue/vec mapping */
1203         rte_intr_efd_disable(intr_handle);
1204         rte_free(intr_handle->intr_vec);
1205         intr_handle->intr_vec = NULL;
1206 }
1207
1208 static void
1209 fm10k_dev_queue_release(struct rte_eth_dev *dev)
1210 {
1211         int i;
1212
1213         PMD_INIT_FUNC_TRACE();
1214
1215         if (dev->data->tx_queues) {
1216                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1217                         struct fm10k_tx_queue *txq = dev->data->tx_queues[i];
1218
1219                         tx_queue_free(txq);
1220                 }
1221         }
1222
1223         if (dev->data->rx_queues) {
1224                 for (i = 0; i < dev->data->nb_rx_queues; i++)
1225                         fm10k_rx_queue_release(dev->data->rx_queues[i]);
1226         }
1227 }
1228
1229 static void
1230 fm10k_dev_close(struct rte_eth_dev *dev)
1231 {
1232         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1233
1234         PMD_INIT_FUNC_TRACE();
1235
1236         fm10k_mbx_lock(hw);
1237         hw->mac.ops.update_lport_state(hw, hw->mac.dglort_map,
1238                 MAX_LPORT_NUM, false);
1239         fm10k_mbx_unlock(hw);
1240
1241         /* allow 10ms for device to quiesce */
1242         rte_delay_us(FM10K_SWITCH_QUIESCE_US);
1243
1244         /* Stop mailbox service first */
1245         fm10k_close_mbx_service(hw);
1246         fm10k_dev_stop(dev);
1247         fm10k_dev_queue_release(dev);
1248         fm10k_stop_hw(hw);
1249 }
1250
1251 static int
1252 fm10k_link_update(struct rte_eth_dev *dev,
1253         __rte_unused int wait_to_complete)
1254 {
1255         PMD_INIT_FUNC_TRACE();
1256
1257         /* The host-interface link is always up.  The speed is ~50Gbps per Gen3
1258          * x8 PCIe interface. For now, we leave the speed undefined since there
1259          * is no 50Gbps Ethernet. */
1260         dev->data->dev_link.link_speed  = 0;
1261         dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
1262         dev->data->dev_link.link_status = ETH_LINK_UP;
1263
1264         return 0;
1265 }
1266
1267 static int fm10k_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1268         struct rte_eth_xstat_name *xstats_names, __rte_unused unsigned limit)
1269 {
1270         unsigned i, q;
1271         unsigned count = 0;
1272
1273         if (xstats_names != NULL) {
1274                 /* Note: limit checked in rte_eth_xstats_names() */
1275
1276                 /* Global stats */
1277                 for (i = 0; i < FM10K_NB_HW_XSTATS; i++) {
1278                         snprintf(xstats_names[count].name,
1279                                 sizeof(xstats_names[count].name),
1280                                 "%s", fm10k_hw_stats_strings[count].name);
1281                         count++;
1282                 }
1283
1284                 /* PF queue stats */
1285                 for (q = 0; q < FM10K_MAX_QUEUES_PF; q++) {
1286                         for (i = 0; i < FM10K_NB_RX_Q_XSTATS; i++) {
1287                                 snprintf(xstats_names[count].name,
1288                                         sizeof(xstats_names[count].name),
1289                                         "rx_q%u_%s", q,
1290                                         fm10k_hw_stats_rx_q_strings[i].name);
1291                                 count++;
1292                         }
1293                         for (i = 0; i < FM10K_NB_TX_Q_XSTATS; i++) {
1294                                 snprintf(xstats_names[count].name,
1295                                         sizeof(xstats_names[count].name),
1296                                         "tx_q%u_%s", q,
1297                                         fm10k_hw_stats_tx_q_strings[i].name);
1298                                 count++;
1299                         }
1300                 }
1301         }
1302         return FM10K_NB_XSTATS;
1303 }
1304
1305 static int
1306 fm10k_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1307                  unsigned n)
1308 {
1309         struct fm10k_hw_stats *hw_stats =
1310                 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1311         unsigned i, q, count = 0;
1312
1313         if (n < FM10K_NB_XSTATS)
1314                 return FM10K_NB_XSTATS;
1315
1316         /* Global stats */
1317         for (i = 0; i < FM10K_NB_HW_XSTATS; i++) {
1318                 xstats[count].value = *(uint64_t *)(((char *)hw_stats) +
1319                         fm10k_hw_stats_strings[count].offset);
1320                 xstats[count].id = count;
1321                 count++;
1322         }
1323
1324         /* PF queue stats */
1325         for (q = 0; q < FM10K_MAX_QUEUES_PF; q++) {
1326                 for (i = 0; i < FM10K_NB_RX_Q_XSTATS; i++) {
1327                         xstats[count].value =
1328                                 *(uint64_t *)(((char *)&hw_stats->q[q]) +
1329                                 fm10k_hw_stats_rx_q_strings[i].offset);
1330                         xstats[count].id = count;
1331                         count++;
1332                 }
1333                 for (i = 0; i < FM10K_NB_TX_Q_XSTATS; i++) {
1334                         xstats[count].value =
1335                                 *(uint64_t *)(((char *)&hw_stats->q[q]) +
1336                                 fm10k_hw_stats_tx_q_strings[i].offset);
1337                         xstats[count].id = count;
1338                         count++;
1339                 }
1340         }
1341
1342         return FM10K_NB_XSTATS;
1343 }
1344
1345 static void
1346 fm10k_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1347 {
1348         uint64_t ipackets, opackets, ibytes, obytes;
1349         struct fm10k_hw *hw =
1350                 FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1351         struct fm10k_hw_stats *hw_stats =
1352                 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1353         int i;
1354
1355         PMD_INIT_FUNC_TRACE();
1356
1357         fm10k_update_hw_stats(hw, hw_stats);
1358
1359         ipackets = opackets = ibytes = obytes = 0;
1360         for (i = 0; (i < RTE_ETHDEV_QUEUE_STAT_CNTRS) &&
1361                 (i < hw->mac.max_queues); ++i) {
1362                 stats->q_ipackets[i] = hw_stats->q[i].rx_packets.count;
1363                 stats->q_opackets[i] = hw_stats->q[i].tx_packets.count;
1364                 stats->q_ibytes[i]   = hw_stats->q[i].rx_bytes.count;
1365                 stats->q_obytes[i]   = hw_stats->q[i].tx_bytes.count;
1366                 ipackets += stats->q_ipackets[i];
1367                 opackets += stats->q_opackets[i];
1368                 ibytes   += stats->q_ibytes[i];
1369                 obytes   += stats->q_obytes[i];
1370         }
1371         stats->ipackets = ipackets;
1372         stats->opackets = opackets;
1373         stats->ibytes = ibytes;
1374         stats->obytes = obytes;
1375 }
1376
1377 static void
1378 fm10k_stats_reset(struct rte_eth_dev *dev)
1379 {
1380         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1381         struct fm10k_hw_stats *hw_stats =
1382                 FM10K_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1383
1384         PMD_INIT_FUNC_TRACE();
1385
1386         memset(hw_stats, 0, sizeof(*hw_stats));
1387         fm10k_rebind_hw_stats(hw, hw_stats);
1388 }
1389
1390 static void
1391 fm10k_dev_infos_get(struct rte_eth_dev *dev,
1392         struct rte_eth_dev_info *dev_info)
1393 {
1394         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1395         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
1396
1397         PMD_INIT_FUNC_TRACE();
1398
1399         dev_info->pci_dev            = pdev;
1400         dev_info->min_rx_bufsize     = FM10K_MIN_RX_BUF_SIZE;
1401         dev_info->max_rx_pktlen      = FM10K_MAX_PKT_SIZE;
1402         dev_info->max_rx_queues      = hw->mac.max_queues;
1403         dev_info->max_tx_queues      = hw->mac.max_queues;
1404         dev_info->max_mac_addrs      = FM10K_MAX_MACADDR_NUM;
1405         dev_info->max_hash_mac_addrs = 0;
1406         dev_info->max_vfs            = pdev->max_vfs;
1407         dev_info->vmdq_pool_base     = 0;
1408         dev_info->vmdq_queue_base    = 0;
1409         dev_info->max_vmdq_pools     = ETH_32_POOLS;
1410         dev_info->vmdq_queue_num     = FM10K_MAX_QUEUES_PF;
1411         dev_info->rx_offload_capa =
1412                 DEV_RX_OFFLOAD_VLAN_STRIP |
1413                 DEV_RX_OFFLOAD_IPV4_CKSUM |
1414                 DEV_RX_OFFLOAD_UDP_CKSUM  |
1415                 DEV_RX_OFFLOAD_TCP_CKSUM;
1416         dev_info->tx_offload_capa =
1417                 DEV_TX_OFFLOAD_VLAN_INSERT |
1418                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
1419                 DEV_TX_OFFLOAD_UDP_CKSUM   |
1420                 DEV_TX_OFFLOAD_TCP_CKSUM   |
1421                 DEV_TX_OFFLOAD_TCP_TSO;
1422
1423         dev_info->hash_key_size = FM10K_RSSRK_SIZE * sizeof(uint32_t);
1424         dev_info->reta_size = FM10K_MAX_RSS_INDICES;
1425
1426         dev_info->default_rxconf = (struct rte_eth_rxconf) {
1427                 .rx_thresh = {
1428                         .pthresh = FM10K_DEFAULT_RX_PTHRESH,
1429                         .hthresh = FM10K_DEFAULT_RX_HTHRESH,
1430                         .wthresh = FM10K_DEFAULT_RX_WTHRESH,
1431                 },
1432                 .rx_free_thresh = FM10K_RX_FREE_THRESH_DEFAULT(0),
1433                 .rx_drop_en = 0,
1434         };
1435
1436         dev_info->default_txconf = (struct rte_eth_txconf) {
1437                 .tx_thresh = {
1438                         .pthresh = FM10K_DEFAULT_TX_PTHRESH,
1439                         .hthresh = FM10K_DEFAULT_TX_HTHRESH,
1440                         .wthresh = FM10K_DEFAULT_TX_WTHRESH,
1441                 },
1442                 .tx_free_thresh = FM10K_TX_FREE_THRESH_DEFAULT(0),
1443                 .tx_rs_thresh = FM10K_TX_RS_THRESH_DEFAULT(0),
1444                 .txq_flags = FM10K_SIMPLE_TX_FLAG,
1445         };
1446
1447         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
1448                 .nb_max = FM10K_MAX_RX_DESC,
1449                 .nb_min = FM10K_MIN_RX_DESC,
1450                 .nb_align = FM10K_MULT_RX_DESC,
1451         };
1452
1453         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
1454                 .nb_max = FM10K_MAX_TX_DESC,
1455                 .nb_min = FM10K_MIN_TX_DESC,
1456                 .nb_align = FM10K_MULT_TX_DESC,
1457                 .nb_seg_max = FM10K_TX_MAX_SEG,
1458                 .nb_mtu_seg_max = FM10K_TX_MAX_MTU_SEG,
1459         };
1460
1461         dev_info->speed_capa = ETH_LINK_SPEED_1G | ETH_LINK_SPEED_2_5G |
1462                         ETH_LINK_SPEED_10G | ETH_LINK_SPEED_25G |
1463                         ETH_LINK_SPEED_40G | ETH_LINK_SPEED_100G;
1464 }
1465
1466 #ifdef RTE_LIBRTE_FM10K_RX_OLFLAGS_ENABLE
1467 static const uint32_t *
1468 fm10k_dev_supported_ptypes_get(struct rte_eth_dev *dev)
1469 {
1470         if (dev->rx_pkt_burst == fm10k_recv_pkts ||
1471             dev->rx_pkt_burst == fm10k_recv_scattered_pkts) {
1472                 static uint32_t ptypes[] = {
1473                         /* refers to rx_desc_to_ol_flags() */
1474                         RTE_PTYPE_L2_ETHER,
1475                         RTE_PTYPE_L3_IPV4,
1476                         RTE_PTYPE_L3_IPV4_EXT,
1477                         RTE_PTYPE_L3_IPV6,
1478                         RTE_PTYPE_L3_IPV6_EXT,
1479                         RTE_PTYPE_L4_TCP,
1480                         RTE_PTYPE_L4_UDP,
1481                         RTE_PTYPE_UNKNOWN
1482                 };
1483
1484                 return ptypes;
1485         } else if (dev->rx_pkt_burst == fm10k_recv_pkts_vec ||
1486                    dev->rx_pkt_burst == fm10k_recv_scattered_pkts_vec) {
1487                 static uint32_t ptypes_vec[] = {
1488                         /* refers to fm10k_desc_to_pktype_v() */
1489                         RTE_PTYPE_L3_IPV4,
1490                         RTE_PTYPE_L3_IPV4_EXT,
1491                         RTE_PTYPE_L3_IPV6,
1492                         RTE_PTYPE_L3_IPV6_EXT,
1493                         RTE_PTYPE_L4_TCP,
1494                         RTE_PTYPE_L4_UDP,
1495                         RTE_PTYPE_TUNNEL_GENEVE,
1496                         RTE_PTYPE_TUNNEL_NVGRE,
1497                         RTE_PTYPE_TUNNEL_VXLAN,
1498                         RTE_PTYPE_TUNNEL_GRE,
1499                         RTE_PTYPE_UNKNOWN
1500                 };
1501
1502                 return ptypes_vec;
1503         }
1504
1505         return NULL;
1506 }
1507 #else
1508 static const uint32_t *
1509 fm10k_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
1510 {
1511         return NULL;
1512 }
1513 #endif
1514
1515 static int
1516 fm10k_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1517 {
1518         s32 result;
1519         uint16_t mac_num = 0;
1520         uint32_t vid_idx, vid_bit, mac_index;
1521         struct fm10k_hw *hw;
1522         struct fm10k_macvlan_filter_info *macvlan;
1523         struct rte_eth_dev_data *data = dev->data;
1524
1525         hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1526         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1527
1528         if (macvlan->nb_queue_pools > 0) { /* VMDQ mode */
1529                 PMD_INIT_LOG(ERR, "Cannot change VLAN filter in VMDQ mode");
1530                 return -EINVAL;
1531         }
1532
1533         if (vlan_id > ETH_VLAN_ID_MAX) {
1534                 PMD_INIT_LOG(ERR, "Invalid vlan_id: must be < 4096");
1535                 return -EINVAL;
1536         }
1537
1538         vid_idx = FM10K_VFTA_IDX(vlan_id);
1539         vid_bit = FM10K_VFTA_BIT(vlan_id);
1540         /* this VLAN ID is already in the VLAN filter table, return SUCCESS */
1541         if (on && (macvlan->vfta[vid_idx] & vid_bit))
1542                 return 0;
1543         /* this VLAN ID is NOT in the VLAN filter table, cannot remove */
1544         if (!on && !(macvlan->vfta[vid_idx] & vid_bit)) {
1545                 PMD_INIT_LOG(ERR, "Invalid vlan_id: not existing "
1546                         "in the VLAN filter table");
1547                 return -EINVAL;
1548         }
1549
1550         fm10k_mbx_lock(hw);
1551         result = fm10k_update_vlan(hw, vlan_id, 0, on);
1552         fm10k_mbx_unlock(hw);
1553         if (result != FM10K_SUCCESS) {
1554                 PMD_INIT_LOG(ERR, "VLAN update failed: %d", result);
1555                 return -EIO;
1556         }
1557
1558         for (mac_index = 0; (mac_index < FM10K_MAX_MACADDR_NUM) &&
1559                         (result == FM10K_SUCCESS); mac_index++) {
1560                 if (is_zero_ether_addr(&data->mac_addrs[mac_index]))
1561                         continue;
1562                 if (mac_num > macvlan->mac_num - 1) {
1563                         PMD_INIT_LOG(ERR, "MAC address number "
1564                                         "not match");
1565                         break;
1566                 }
1567                 fm10k_mbx_lock(hw);
1568                 result = fm10k_update_uc_addr(hw, hw->mac.dglort_map,
1569                         data->mac_addrs[mac_index].addr_bytes,
1570                         vlan_id, on, 0);
1571                 fm10k_mbx_unlock(hw);
1572                 mac_num++;
1573         }
1574         if (result != FM10K_SUCCESS) {
1575                 PMD_INIT_LOG(ERR, "MAC address update failed: %d", result);
1576                 return -EIO;
1577         }
1578
1579         if (on) {
1580                 macvlan->vlan_num++;
1581                 macvlan->vfta[vid_idx] |= vid_bit;
1582         } else {
1583                 macvlan->vlan_num--;
1584                 macvlan->vfta[vid_idx] &= ~vid_bit;
1585         }
1586         return 0;
1587 }
1588
1589 static void
1590 fm10k_vlan_offload_set(__rte_unused struct rte_eth_dev *dev, int mask)
1591 {
1592         if (mask & ETH_VLAN_STRIP_MASK) {
1593                 if (!dev->data->dev_conf.rxmode.hw_vlan_strip)
1594                         PMD_INIT_LOG(ERR, "VLAN stripping is "
1595                                         "always on in fm10k");
1596         }
1597
1598         if (mask & ETH_VLAN_EXTEND_MASK) {
1599                 if (dev->data->dev_conf.rxmode.hw_vlan_extend)
1600                         PMD_INIT_LOG(ERR, "VLAN QinQ is not "
1601                                         "supported in fm10k");
1602         }
1603
1604         if (mask & ETH_VLAN_FILTER_MASK) {
1605                 if (!dev->data->dev_conf.rxmode.hw_vlan_filter)
1606                         PMD_INIT_LOG(ERR, "VLAN filter is always on in fm10k");
1607         }
1608 }
1609
1610 /* Add/Remove a MAC address, and update filters to main VSI */
1611 static void fm10k_MAC_filter_set_main_vsi(struct rte_eth_dev *dev,
1612                 const u8 *mac, bool add, uint32_t pool)
1613 {
1614         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1615         struct fm10k_macvlan_filter_info *macvlan;
1616         uint32_t i, j, k;
1617
1618         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1619
1620         if (pool != MAIN_VSI_POOL_NUMBER) {
1621                 PMD_DRV_LOG(ERR, "VMDQ not enabled, can't set "
1622                         "mac to pool %u", pool);
1623                 return;
1624         }
1625         for (i = 0, j = 0; j < FM10K_VFTA_SIZE; j++) {
1626                 if (!macvlan->vfta[j])
1627                         continue;
1628                 for (k = 0; k < FM10K_UINT32_BIT_SIZE; k++) {
1629                         if (!(macvlan->vfta[j] & (1 << k)))
1630                                 continue;
1631                         if (i + 1 > macvlan->vlan_num) {
1632                                 PMD_INIT_LOG(ERR, "vlan number not match");
1633                                 return;
1634                         }
1635                         fm10k_mbx_lock(hw);
1636                         fm10k_update_uc_addr(hw, hw->mac.dglort_map, mac,
1637                                 j * FM10K_UINT32_BIT_SIZE + k, add, 0);
1638                         fm10k_mbx_unlock(hw);
1639                         i++;
1640                 }
1641         }
1642 }
1643
1644 /* Add/Remove a MAC address, and update filters to VMDQ */
1645 static void fm10k_MAC_filter_set_vmdq(struct rte_eth_dev *dev,
1646                 const u8 *mac, bool add, uint32_t pool)
1647 {
1648         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1649         struct fm10k_macvlan_filter_info *macvlan;
1650         struct rte_eth_vmdq_rx_conf *vmdq_conf;
1651         uint32_t i;
1652
1653         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1654         vmdq_conf = &dev->data->dev_conf.rx_adv_conf.vmdq_rx_conf;
1655
1656         if (pool > macvlan->nb_queue_pools) {
1657                 PMD_DRV_LOG(ERR, "Pool number %u invalid."
1658                         " Max pool is %u",
1659                         pool, macvlan->nb_queue_pools);
1660                 return;
1661         }
1662         for (i = 0; i < vmdq_conf->nb_pool_maps; i++) {
1663                 if (!(vmdq_conf->pool_map[i].pools & (1UL << pool)))
1664                         continue;
1665                 fm10k_mbx_lock(hw);
1666                 fm10k_update_uc_addr(hw, hw->mac.dglort_map + pool, mac,
1667                         vmdq_conf->pool_map[i].vlan_id, add, 0);
1668                 fm10k_mbx_unlock(hw);
1669         }
1670 }
1671
1672 /* Add/Remove a MAC address, and update filters */
1673 static void fm10k_MAC_filter_set(struct rte_eth_dev *dev,
1674                 const u8 *mac, bool add, uint32_t pool)
1675 {
1676         struct fm10k_macvlan_filter_info *macvlan;
1677
1678         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1679
1680         if (macvlan->nb_queue_pools > 0) /* VMDQ mode */
1681                 fm10k_MAC_filter_set_vmdq(dev, mac, add, pool);
1682         else
1683                 fm10k_MAC_filter_set_main_vsi(dev, mac, add, pool);
1684
1685         if (add)
1686                 macvlan->mac_num++;
1687         else
1688                 macvlan->mac_num--;
1689 }
1690
1691 /* Add a MAC address, and update filters */
1692 static void
1693 fm10k_macaddr_add(struct rte_eth_dev *dev,
1694                 struct ether_addr *mac_addr,
1695                 uint32_t index,
1696                 uint32_t pool)
1697 {
1698         struct fm10k_macvlan_filter_info *macvlan;
1699
1700         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1701         fm10k_MAC_filter_set(dev, mac_addr->addr_bytes, TRUE, pool);
1702         macvlan->mac_vmdq_id[index] = pool;
1703 }
1704
1705 /* Remove a MAC address, and update filters */
1706 static void
1707 fm10k_macaddr_remove(struct rte_eth_dev *dev, uint32_t index)
1708 {
1709         struct rte_eth_dev_data *data = dev->data;
1710         struct fm10k_macvlan_filter_info *macvlan;
1711
1712         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
1713         fm10k_MAC_filter_set(dev, data->mac_addrs[index].addr_bytes,
1714                         FALSE, macvlan->mac_vmdq_id[index]);
1715         macvlan->mac_vmdq_id[index] = 0;
1716 }
1717
1718 static inline int
1719 check_nb_desc(uint16_t min, uint16_t max, uint16_t mult, uint16_t request)
1720 {
1721         if ((request < min) || (request > max) || ((request % mult) != 0))
1722                 return -1;
1723         else
1724                 return 0;
1725 }
1726
1727
1728 static inline int
1729 check_thresh(uint16_t min, uint16_t max, uint16_t div, uint16_t request)
1730 {
1731         if ((request < min) || (request > max) || ((div % request) != 0))
1732                 return -1;
1733         else
1734                 return 0;
1735 }
1736
1737 static inline int
1738 handle_rxconf(struct fm10k_rx_queue *q, const struct rte_eth_rxconf *conf)
1739 {
1740         uint16_t rx_free_thresh;
1741
1742         if (conf->rx_free_thresh == 0)
1743                 rx_free_thresh = FM10K_RX_FREE_THRESH_DEFAULT(q);
1744         else
1745                 rx_free_thresh = conf->rx_free_thresh;
1746
1747         /* make sure the requested threshold satisfies the constraints */
1748         if (check_thresh(FM10K_RX_FREE_THRESH_MIN(q),
1749                         FM10K_RX_FREE_THRESH_MAX(q),
1750                         FM10K_RX_FREE_THRESH_DIV(q),
1751                         rx_free_thresh)) {
1752                 PMD_INIT_LOG(ERR, "rx_free_thresh (%u) must be "
1753                         "less than or equal to %u, "
1754                         "greater than or equal to %u, "
1755                         "and a divisor of %u",
1756                         rx_free_thresh, FM10K_RX_FREE_THRESH_MAX(q),
1757                         FM10K_RX_FREE_THRESH_MIN(q),
1758                         FM10K_RX_FREE_THRESH_DIV(q));
1759                 return -EINVAL;
1760         }
1761
1762         q->alloc_thresh = rx_free_thresh;
1763         q->drop_en = conf->rx_drop_en;
1764         q->rx_deferred_start = conf->rx_deferred_start;
1765
1766         return 0;
1767 }
1768
1769 /*
1770  * Hardware requires specific alignment for Rx packet buffers. At
1771  * least one of the following two conditions must be satisfied.
1772  *  1. Address is 512B aligned
1773  *  2. Address is 8B aligned and buffer does not cross 4K boundary.
1774  *
1775  * As such, the driver may need to adjust the DMA address within the
1776  * buffer by up to 512B.
1777  *
1778  * return 1 if the element size is valid, otherwise return 0.
1779  */
1780 static int
1781 mempool_element_size_valid(struct rte_mempool *mp)
1782 {
1783         uint32_t min_size;
1784
1785         /* elt_size includes mbuf header and headroom */
1786         min_size = mp->elt_size - sizeof(struct rte_mbuf) -
1787                         RTE_PKTMBUF_HEADROOM;
1788
1789         /* account for up to 512B of alignment */
1790         min_size -= FM10K_RX_DATABUF_ALIGN;
1791
1792         /* sanity check for overflow */
1793         if (min_size > mp->elt_size)
1794                 return 0;
1795
1796         /* size is valid */
1797         return 1;
1798 }
1799
1800 static int
1801 fm10k_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
1802         uint16_t nb_desc, unsigned int socket_id,
1803         const struct rte_eth_rxconf *conf, struct rte_mempool *mp)
1804 {
1805         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1806         struct fm10k_dev_info *dev_info = FM10K_DEV_PRIVATE_TO_INFO(dev);
1807         struct fm10k_rx_queue *q;
1808         const struct rte_memzone *mz;
1809
1810         PMD_INIT_FUNC_TRACE();
1811
1812         /* make sure the mempool element size can account for alignment. */
1813         if (!mempool_element_size_valid(mp)) {
1814                 PMD_INIT_LOG(ERR, "Error : Mempool element size is too small");
1815                 return -EINVAL;
1816         }
1817
1818         /* make sure a valid number of descriptors have been requested */
1819         if (check_nb_desc(FM10K_MIN_RX_DESC, FM10K_MAX_RX_DESC,
1820                                 FM10K_MULT_RX_DESC, nb_desc)) {
1821                 PMD_INIT_LOG(ERR, "Number of Rx descriptors (%u) must be "
1822                         "less than or equal to %"PRIu32", "
1823                         "greater than or equal to %u, "
1824                         "and a multiple of %u",
1825                         nb_desc, (uint32_t)FM10K_MAX_RX_DESC, FM10K_MIN_RX_DESC,
1826                         FM10K_MULT_RX_DESC);
1827                 return -EINVAL;
1828         }
1829
1830         /*
1831          * if this queue existed already, free the associated memory. The
1832          * queue cannot be reused in case we need to allocate memory on
1833          * different socket than was previously used.
1834          */
1835         if (dev->data->rx_queues[queue_id] != NULL) {
1836                 rx_queue_free(dev->data->rx_queues[queue_id]);
1837                 dev->data->rx_queues[queue_id] = NULL;
1838         }
1839
1840         /* allocate memory for the queue structure */
1841         q = rte_zmalloc_socket("fm10k", sizeof(*q), RTE_CACHE_LINE_SIZE,
1842                                 socket_id);
1843         if (q == NULL) {
1844                 PMD_INIT_LOG(ERR, "Cannot allocate queue structure");
1845                 return -ENOMEM;
1846         }
1847
1848         /* setup queue */
1849         q->mp = mp;
1850         q->nb_desc = nb_desc;
1851         q->nb_fake_desc = FM10K_MULT_RX_DESC;
1852         q->port_id = dev->data->port_id;
1853         q->queue_id = queue_id;
1854         q->tail_ptr = (volatile uint32_t *)
1855                 &((uint32_t *)hw->hw_addr)[FM10K_RDT(queue_id)];
1856         if (handle_rxconf(q, conf))
1857                 return -EINVAL;
1858
1859         /* allocate memory for the software ring */
1860         q->sw_ring = rte_zmalloc_socket("fm10k sw ring",
1861                         (nb_desc + q->nb_fake_desc) * sizeof(struct rte_mbuf *),
1862                         RTE_CACHE_LINE_SIZE, socket_id);
1863         if (q->sw_ring == NULL) {
1864                 PMD_INIT_LOG(ERR, "Cannot allocate software ring");
1865                 rte_free(q);
1866                 return -ENOMEM;
1867         }
1868
1869         /*
1870          * allocate memory for the hardware descriptor ring. A memzone large
1871          * enough to hold the maximum ring size is requested to allow for
1872          * resizing in later calls to the queue setup function.
1873          */
1874         mz = rte_eth_dma_zone_reserve(dev, "rx_ring", queue_id,
1875                                       FM10K_MAX_RX_RING_SZ, FM10K_ALIGN_RX_DESC,
1876                                       socket_id);
1877         if (mz == NULL) {
1878                 PMD_INIT_LOG(ERR, "Cannot allocate hardware ring");
1879                 rte_free(q->sw_ring);
1880                 rte_free(q);
1881                 return -ENOMEM;
1882         }
1883         q->hw_ring = mz->addr;
1884         q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
1885
1886         /* Check if number of descs satisfied Vector requirement */
1887         if (!rte_is_power_of_2(nb_desc)) {
1888                 PMD_INIT_LOG(DEBUG, "queue[%d] doesn't meet Vector Rx "
1889                                     "preconditions - canceling the feature for "
1890                                     "the whole port[%d]",
1891                              q->queue_id, q->port_id);
1892                 dev_info->rx_vec_allowed = false;
1893         } else
1894                 fm10k_rxq_vec_setup(q);
1895
1896         dev->data->rx_queues[queue_id] = q;
1897         return 0;
1898 }
1899
1900 static void
1901 fm10k_rx_queue_release(void *queue)
1902 {
1903         PMD_INIT_FUNC_TRACE();
1904
1905         rx_queue_free(queue);
1906 }
1907
1908 static inline int
1909 handle_txconf(struct fm10k_tx_queue *q, const struct rte_eth_txconf *conf)
1910 {
1911         uint16_t tx_free_thresh;
1912         uint16_t tx_rs_thresh;
1913
1914         /* constraint MACROs require that tx_free_thresh is configured
1915          * before tx_rs_thresh */
1916         if (conf->tx_free_thresh == 0)
1917                 tx_free_thresh = FM10K_TX_FREE_THRESH_DEFAULT(q);
1918         else
1919                 tx_free_thresh = conf->tx_free_thresh;
1920
1921         /* make sure the requested threshold satisfies the constraints */
1922         if (check_thresh(FM10K_TX_FREE_THRESH_MIN(q),
1923                         FM10K_TX_FREE_THRESH_MAX(q),
1924                         FM10K_TX_FREE_THRESH_DIV(q),
1925                         tx_free_thresh)) {
1926                 PMD_INIT_LOG(ERR, "tx_free_thresh (%u) must be "
1927                         "less than or equal to %u, "
1928                         "greater than or equal to %u, "
1929                         "and a divisor of %u",
1930                         tx_free_thresh, FM10K_TX_FREE_THRESH_MAX(q),
1931                         FM10K_TX_FREE_THRESH_MIN(q),
1932                         FM10K_TX_FREE_THRESH_DIV(q));
1933                 return -EINVAL;
1934         }
1935
1936         q->free_thresh = tx_free_thresh;
1937
1938         if (conf->tx_rs_thresh == 0)
1939                 tx_rs_thresh = FM10K_TX_RS_THRESH_DEFAULT(q);
1940         else
1941                 tx_rs_thresh = conf->tx_rs_thresh;
1942
1943         q->tx_deferred_start = conf->tx_deferred_start;
1944
1945         /* make sure the requested threshold satisfies the constraints */
1946         if (check_thresh(FM10K_TX_RS_THRESH_MIN(q),
1947                         FM10K_TX_RS_THRESH_MAX(q),
1948                         FM10K_TX_RS_THRESH_DIV(q),
1949                         tx_rs_thresh)) {
1950                 PMD_INIT_LOG(ERR, "tx_rs_thresh (%u) must be "
1951                         "less than or equal to %u, "
1952                         "greater than or equal to %u, "
1953                         "and a divisor of %u",
1954                         tx_rs_thresh, FM10K_TX_RS_THRESH_MAX(q),
1955                         FM10K_TX_RS_THRESH_MIN(q),
1956                         FM10K_TX_RS_THRESH_DIV(q));
1957                 return -EINVAL;
1958         }
1959
1960         q->rs_thresh = tx_rs_thresh;
1961
1962         return 0;
1963 }
1964
1965 static int
1966 fm10k_tx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_id,
1967         uint16_t nb_desc, unsigned int socket_id,
1968         const struct rte_eth_txconf *conf)
1969 {
1970         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1971         struct fm10k_tx_queue *q;
1972         const struct rte_memzone *mz;
1973
1974         PMD_INIT_FUNC_TRACE();
1975
1976         /* make sure a valid number of descriptors have been requested */
1977         if (check_nb_desc(FM10K_MIN_TX_DESC, FM10K_MAX_TX_DESC,
1978                                 FM10K_MULT_TX_DESC, nb_desc)) {
1979                 PMD_INIT_LOG(ERR, "Number of Tx descriptors (%u) must be "
1980                         "less than or equal to %"PRIu32", "
1981                         "greater than or equal to %u, "
1982                         "and a multiple of %u",
1983                         nb_desc, (uint32_t)FM10K_MAX_TX_DESC, FM10K_MIN_TX_DESC,
1984                         FM10K_MULT_TX_DESC);
1985                 return -EINVAL;
1986         }
1987
1988         /*
1989          * if this queue existed already, free the associated memory. The
1990          * queue cannot be reused in case we need to allocate memory on
1991          * different socket than was previously used.
1992          */
1993         if (dev->data->tx_queues[queue_id] != NULL) {
1994                 struct fm10k_tx_queue *txq = dev->data->tx_queues[queue_id];
1995
1996                 tx_queue_free(txq);
1997                 dev->data->tx_queues[queue_id] = NULL;
1998         }
1999
2000         /* allocate memory for the queue structure */
2001         q = rte_zmalloc_socket("fm10k", sizeof(*q), RTE_CACHE_LINE_SIZE,
2002                                 socket_id);
2003         if (q == NULL) {
2004                 PMD_INIT_LOG(ERR, "Cannot allocate queue structure");
2005                 return -ENOMEM;
2006         }
2007
2008         /* setup queue */
2009         q->nb_desc = nb_desc;
2010         q->port_id = dev->data->port_id;
2011         q->queue_id = queue_id;
2012         q->txq_flags = conf->txq_flags;
2013         q->ops = &def_txq_ops;
2014         q->tail_ptr = (volatile uint32_t *)
2015                 &((uint32_t *)hw->hw_addr)[FM10K_TDT(queue_id)];
2016         if (handle_txconf(q, conf))
2017                 return -EINVAL;
2018
2019         /* allocate memory for the software ring */
2020         q->sw_ring = rte_zmalloc_socket("fm10k sw ring",
2021                                         nb_desc * sizeof(struct rte_mbuf *),
2022                                         RTE_CACHE_LINE_SIZE, socket_id);
2023         if (q->sw_ring == NULL) {
2024                 PMD_INIT_LOG(ERR, "Cannot allocate software ring");
2025                 rte_free(q);
2026                 return -ENOMEM;
2027         }
2028
2029         /*
2030          * allocate memory for the hardware descriptor ring. A memzone large
2031          * enough to hold the maximum ring size is requested to allow for
2032          * resizing in later calls to the queue setup function.
2033          */
2034         mz = rte_eth_dma_zone_reserve(dev, "tx_ring", queue_id,
2035                                       FM10K_MAX_TX_RING_SZ, FM10K_ALIGN_TX_DESC,
2036                                       socket_id);
2037         if (mz == NULL) {
2038                 PMD_INIT_LOG(ERR, "Cannot allocate hardware ring");
2039                 rte_free(q->sw_ring);
2040                 rte_free(q);
2041                 return -ENOMEM;
2042         }
2043         q->hw_ring = mz->addr;
2044         q->hw_ring_phys_addr = rte_mem_phy2mch(mz->memseg_id, mz->phys_addr);
2045
2046         /*
2047          * allocate memory for the RS bit tracker. Enough slots to hold the
2048          * descriptor index for each RS bit needing to be set are required.
2049          */
2050         q->rs_tracker.list = rte_zmalloc_socket("fm10k rs tracker",
2051                                 ((nb_desc + 1) / q->rs_thresh) *
2052                                 sizeof(uint16_t),
2053                                 RTE_CACHE_LINE_SIZE, socket_id);
2054         if (q->rs_tracker.list == NULL) {
2055                 PMD_INIT_LOG(ERR, "Cannot allocate RS bit tracker");
2056                 rte_free(q->sw_ring);
2057                 rte_free(q);
2058                 return -ENOMEM;
2059         }
2060
2061         dev->data->tx_queues[queue_id] = q;
2062         return 0;
2063 }
2064
2065 static void
2066 fm10k_tx_queue_release(void *queue)
2067 {
2068         struct fm10k_tx_queue *q = queue;
2069         PMD_INIT_FUNC_TRACE();
2070
2071         tx_queue_free(q);
2072 }
2073
2074 static int
2075 fm10k_reta_update(struct rte_eth_dev *dev,
2076                         struct rte_eth_rss_reta_entry64 *reta_conf,
2077                         uint16_t reta_size)
2078 {
2079         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2080         uint16_t i, j, idx, shift;
2081         uint8_t mask;
2082         uint32_t reta;
2083
2084         PMD_INIT_FUNC_TRACE();
2085
2086         if (reta_size > FM10K_MAX_RSS_INDICES) {
2087                 PMD_INIT_LOG(ERR, "The size of hash lookup table configured "
2088                         "(%d) doesn't match the number hardware can supported "
2089                         "(%d)", reta_size, FM10K_MAX_RSS_INDICES);
2090                 return -EINVAL;
2091         }
2092
2093         /*
2094          * Update Redirection Table RETA[n], n=0..31. The redirection table has
2095          * 128-entries in 32 registers
2096          */
2097         for (i = 0; i < FM10K_MAX_RSS_INDICES; i += CHARS_PER_UINT32) {
2098                 idx = i / RTE_RETA_GROUP_SIZE;
2099                 shift = i % RTE_RETA_GROUP_SIZE;
2100                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2101                                 BIT_MASK_PER_UINT32);
2102                 if (mask == 0)
2103                         continue;
2104
2105                 reta = 0;
2106                 if (mask != BIT_MASK_PER_UINT32)
2107                         reta = FM10K_READ_REG(hw, FM10K_RETA(0, i >> 2));
2108
2109                 for (j = 0; j < CHARS_PER_UINT32; j++) {
2110                         if (mask & (0x1 << j)) {
2111                                 if (mask != 0xF)
2112                                         reta &= ~(UINT8_MAX << CHAR_BIT * j);
2113                                 reta |= reta_conf[idx].reta[shift + j] <<
2114                                                 (CHAR_BIT * j);
2115                         }
2116                 }
2117                 FM10K_WRITE_REG(hw, FM10K_RETA(0, i >> 2), reta);
2118         }
2119
2120         return 0;
2121 }
2122
2123 static int
2124 fm10k_reta_query(struct rte_eth_dev *dev,
2125                         struct rte_eth_rss_reta_entry64 *reta_conf,
2126                         uint16_t reta_size)
2127 {
2128         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2129         uint16_t i, j, idx, shift;
2130         uint8_t mask;
2131         uint32_t reta;
2132
2133         PMD_INIT_FUNC_TRACE();
2134
2135         if (reta_size < FM10K_MAX_RSS_INDICES) {
2136                 PMD_INIT_LOG(ERR, "The size of hash lookup table configured "
2137                         "(%d) doesn't match the number hardware can supported "
2138                         "(%d)", reta_size, FM10K_MAX_RSS_INDICES);
2139                 return -EINVAL;
2140         }
2141
2142         /*
2143          * Read Redirection Table RETA[n], n=0..31. The redirection table has
2144          * 128-entries in 32 registers
2145          */
2146         for (i = 0; i < FM10K_MAX_RSS_INDICES; i += CHARS_PER_UINT32) {
2147                 idx = i / RTE_RETA_GROUP_SIZE;
2148                 shift = i % RTE_RETA_GROUP_SIZE;
2149                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
2150                                 BIT_MASK_PER_UINT32);
2151                 if (mask == 0)
2152                         continue;
2153
2154                 reta = FM10K_READ_REG(hw, FM10K_RETA(0, i >> 2));
2155                 for (j = 0; j < CHARS_PER_UINT32; j++) {
2156                         if (mask & (0x1 << j))
2157                                 reta_conf[idx].reta[shift + j] = ((reta >>
2158                                         CHAR_BIT * j) & UINT8_MAX);
2159                 }
2160         }
2161
2162         return 0;
2163 }
2164
2165 static int
2166 fm10k_rss_hash_update(struct rte_eth_dev *dev,
2167         struct rte_eth_rss_conf *rss_conf)
2168 {
2169         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2170         uint32_t *key = (uint32_t *)rss_conf->rss_key;
2171         uint32_t mrqc;
2172         uint64_t hf = rss_conf->rss_hf;
2173         int i;
2174
2175         PMD_INIT_FUNC_TRACE();
2176
2177         if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
2178                                 FM10K_RSSRK_ENTRIES_PER_REG))
2179                 return -EINVAL;
2180
2181         if (hf == 0)
2182                 return -EINVAL;
2183
2184         mrqc = 0;
2185         mrqc |= (hf & ETH_RSS_IPV4)              ? FM10K_MRQC_IPV4     : 0;
2186         mrqc |= (hf & ETH_RSS_IPV6)              ? FM10K_MRQC_IPV6     : 0;
2187         mrqc |= (hf & ETH_RSS_IPV6_EX)           ? FM10K_MRQC_IPV6     : 0;
2188         mrqc |= (hf & ETH_RSS_NONFRAG_IPV4_TCP)  ? FM10K_MRQC_TCP_IPV4 : 0;
2189         mrqc |= (hf & ETH_RSS_NONFRAG_IPV6_TCP)  ? FM10K_MRQC_TCP_IPV6 : 0;
2190         mrqc |= (hf & ETH_RSS_IPV6_TCP_EX)       ? FM10K_MRQC_TCP_IPV6 : 0;
2191         mrqc |= (hf & ETH_RSS_NONFRAG_IPV4_UDP)  ? FM10K_MRQC_UDP_IPV4 : 0;
2192         mrqc |= (hf & ETH_RSS_NONFRAG_IPV6_UDP)  ? FM10K_MRQC_UDP_IPV6 : 0;
2193         mrqc |= (hf & ETH_RSS_IPV6_UDP_EX)       ? FM10K_MRQC_UDP_IPV6 : 0;
2194
2195         /* If the mapping doesn't fit any supported, return */
2196         if (mrqc == 0)
2197                 return -EINVAL;
2198
2199         if (key != NULL)
2200                 for (i = 0; i < FM10K_RSSRK_SIZE; ++i)
2201                         FM10K_WRITE_REG(hw, FM10K_RSSRK(0, i), key[i]);
2202
2203         FM10K_WRITE_REG(hw, FM10K_MRQC(0), mrqc);
2204
2205         return 0;
2206 }
2207
2208 static int
2209 fm10k_rss_hash_conf_get(struct rte_eth_dev *dev,
2210         struct rte_eth_rss_conf *rss_conf)
2211 {
2212         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2213         uint32_t *key = (uint32_t *)rss_conf->rss_key;
2214         uint32_t mrqc;
2215         uint64_t hf;
2216         int i;
2217
2218         PMD_INIT_FUNC_TRACE();
2219
2220         if (key && (rss_conf->rss_key_len < FM10K_RSSRK_SIZE *
2221                                 FM10K_RSSRK_ENTRIES_PER_REG))
2222                 return -EINVAL;
2223
2224         if (key != NULL)
2225                 for (i = 0; i < FM10K_RSSRK_SIZE; ++i)
2226                         key[i] = FM10K_READ_REG(hw, FM10K_RSSRK(0, i));
2227
2228         mrqc = FM10K_READ_REG(hw, FM10K_MRQC(0));
2229         hf = 0;
2230         hf |= (mrqc & FM10K_MRQC_IPV4)     ? ETH_RSS_IPV4              : 0;
2231         hf |= (mrqc & FM10K_MRQC_IPV6)     ? ETH_RSS_IPV6              : 0;
2232         hf |= (mrqc & FM10K_MRQC_IPV6)     ? ETH_RSS_IPV6_EX           : 0;
2233         hf |= (mrqc & FM10K_MRQC_TCP_IPV4) ? ETH_RSS_NONFRAG_IPV4_TCP  : 0;
2234         hf |= (mrqc & FM10K_MRQC_TCP_IPV6) ? ETH_RSS_NONFRAG_IPV6_TCP  : 0;
2235         hf |= (mrqc & FM10K_MRQC_TCP_IPV6) ? ETH_RSS_IPV6_TCP_EX       : 0;
2236         hf |= (mrqc & FM10K_MRQC_UDP_IPV4) ? ETH_RSS_NONFRAG_IPV4_UDP  : 0;
2237         hf |= (mrqc & FM10K_MRQC_UDP_IPV6) ? ETH_RSS_NONFRAG_IPV6_UDP  : 0;
2238         hf |= (mrqc & FM10K_MRQC_UDP_IPV6) ? ETH_RSS_IPV6_UDP_EX       : 0;
2239
2240         rss_conf->rss_hf = hf;
2241
2242         return 0;
2243 }
2244
2245 static void
2246 fm10k_dev_enable_intr_pf(struct rte_eth_dev *dev)
2247 {
2248         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2249         uint32_t int_map = FM10K_INT_MAP_IMMEDIATE;
2250
2251         /* Bind all local non-queue interrupt to vector 0 */
2252         int_map |= FM10K_MISC_VEC_ID;
2253
2254         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_mailbox), int_map);
2255         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_pcie_fault), int_map);
2256         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_up_down), int_map);
2257         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_event), int_map);
2258         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_sram), int_map);
2259         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_vflr), int_map);
2260
2261         /* Enable misc causes */
2262         FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_ENABLE(PCA_FAULT) |
2263                                 FM10K_EIMR_ENABLE(THI_FAULT) |
2264                                 FM10K_EIMR_ENABLE(FUM_FAULT) |
2265                                 FM10K_EIMR_ENABLE(MAILBOX) |
2266                                 FM10K_EIMR_ENABLE(SWITCHREADY) |
2267                                 FM10K_EIMR_ENABLE(SWITCHNOTREADY) |
2268                                 FM10K_EIMR_ENABLE(SRAMERROR) |
2269                                 FM10K_EIMR_ENABLE(VFLR));
2270
2271         /* Enable ITR 0 */
2272         FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
2273                                         FM10K_ITR_MASK_CLEAR);
2274         FM10K_WRITE_FLUSH(hw);
2275 }
2276
2277 static void
2278 fm10k_dev_disable_intr_pf(struct rte_eth_dev *dev)
2279 {
2280         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2281         uint32_t int_map = FM10K_INT_MAP_DISABLE;
2282
2283         int_map |= FM10K_MISC_VEC_ID;
2284
2285         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_mailbox), int_map);
2286         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_pcie_fault), int_map);
2287         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_up_down), int_map);
2288         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_switch_event), int_map);
2289         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_sram), int_map);
2290         FM10K_WRITE_REG(hw, FM10K_INT_MAP(fm10k_int_vflr), int_map);
2291
2292         /* Disable misc causes */
2293         FM10K_WRITE_REG(hw, FM10K_EIMR, FM10K_EIMR_DISABLE(PCA_FAULT) |
2294                                 FM10K_EIMR_DISABLE(THI_FAULT) |
2295                                 FM10K_EIMR_DISABLE(FUM_FAULT) |
2296                                 FM10K_EIMR_DISABLE(MAILBOX) |
2297                                 FM10K_EIMR_DISABLE(SWITCHREADY) |
2298                                 FM10K_EIMR_DISABLE(SWITCHNOTREADY) |
2299                                 FM10K_EIMR_DISABLE(SRAMERROR) |
2300                                 FM10K_EIMR_DISABLE(VFLR));
2301
2302         /* Disable ITR 0 */
2303         FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_MASK_SET);
2304         FM10K_WRITE_FLUSH(hw);
2305 }
2306
2307 static void
2308 fm10k_dev_enable_intr_vf(struct rte_eth_dev *dev)
2309 {
2310         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2311         uint32_t int_map = FM10K_INT_MAP_IMMEDIATE;
2312
2313         /* Bind all local non-queue interrupt to vector 0 */
2314         int_map |= FM10K_MISC_VEC_ID;
2315
2316         /* Only INT 0 available, other 15 are reserved. */
2317         FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map);
2318
2319         /* Enable ITR 0 */
2320         FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
2321                                         FM10K_ITR_MASK_CLEAR);
2322         FM10K_WRITE_FLUSH(hw);
2323 }
2324
2325 static void
2326 fm10k_dev_disable_intr_vf(struct rte_eth_dev *dev)
2327 {
2328         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2329         uint32_t int_map = FM10K_INT_MAP_DISABLE;
2330
2331         int_map |= FM10K_MISC_VEC_ID;
2332
2333         /* Only INT 0 available, other 15 are reserved. */
2334         FM10K_WRITE_REG(hw, FM10K_VFINT_MAP, int_map);
2335
2336         /* Disable ITR 0 */
2337         FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_MASK_SET);
2338         FM10K_WRITE_FLUSH(hw);
2339 }
2340
2341 static int
2342 fm10k_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
2343 {
2344         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2345         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
2346
2347         /* Enable ITR */
2348         if (hw->mac.type == fm10k_mac_pf)
2349                 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, queue_id)),
2350                         FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
2351         else
2352                 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, queue_id)),
2353                         FM10K_ITR_AUTOMASK | FM10K_ITR_MASK_CLEAR);
2354         rte_intr_enable(&pdev->intr_handle);
2355         return 0;
2356 }
2357
2358 static int
2359 fm10k_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
2360 {
2361         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2362         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
2363
2364         /* Disable ITR */
2365         if (hw->mac.type == fm10k_mac_pf)
2366                 FM10K_WRITE_REG(hw, FM10K_ITR(Q2V(pdev, queue_id)),
2367                         FM10K_ITR_MASK_SET);
2368         else
2369                 FM10K_WRITE_REG(hw, FM10K_VFITR(Q2V(pdev, queue_id)),
2370                         FM10K_ITR_MASK_SET);
2371         return 0;
2372 }
2373
2374 static int
2375 fm10k_dev_rxq_interrupt_setup(struct rte_eth_dev *dev)
2376 {
2377         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2378         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
2379         struct rte_intr_handle *intr_handle = &pdev->intr_handle;
2380         uint32_t intr_vector, vec;
2381         uint16_t queue_id;
2382         int result = 0;
2383
2384         /* fm10k needs one separate interrupt for mailbox,
2385          * so only drivers which support multiple interrupt vectors
2386          * e.g. vfio-pci can work for fm10k interrupt mode
2387          */
2388         if (!rte_intr_cap_multiple(intr_handle) ||
2389                         dev->data->dev_conf.intr_conf.rxq == 0)
2390                 return result;
2391
2392         intr_vector = dev->data->nb_rx_queues;
2393
2394         /* disable interrupt first */
2395         rte_intr_disable(intr_handle);
2396         if (hw->mac.type == fm10k_mac_pf)
2397                 fm10k_dev_disable_intr_pf(dev);
2398         else
2399                 fm10k_dev_disable_intr_vf(dev);
2400
2401         if (rte_intr_efd_enable(intr_handle, intr_vector)) {
2402                 PMD_INIT_LOG(ERR, "Failed to init event fd");
2403                 result = -EIO;
2404         }
2405
2406         if (rte_intr_dp_is_en(intr_handle) && !result) {
2407                 intr_handle->intr_vec = rte_zmalloc("intr_vec",
2408                         dev->data->nb_rx_queues * sizeof(int), 0);
2409                 if (intr_handle->intr_vec) {
2410                         for (queue_id = 0, vec = FM10K_RX_VEC_START;
2411                                         queue_id < dev->data->nb_rx_queues;
2412                                         queue_id++) {
2413                                 intr_handle->intr_vec[queue_id] = vec;
2414                                 if (vec < intr_handle->nb_efd - 1
2415                                                 + FM10K_RX_VEC_START)
2416                                         vec++;
2417                         }
2418                 } else {
2419                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
2420                                 " intr_vec", dev->data->nb_rx_queues);
2421                         rte_intr_efd_disable(intr_handle);
2422                         result = -ENOMEM;
2423                 }
2424         }
2425
2426         if (hw->mac.type == fm10k_mac_pf)
2427                 fm10k_dev_enable_intr_pf(dev);
2428         else
2429                 fm10k_dev_enable_intr_vf(dev);
2430         rte_intr_enable(intr_handle);
2431         hw->mac.ops.update_int_moderator(hw);
2432         return result;
2433 }
2434
2435 static int
2436 fm10k_dev_handle_fault(struct fm10k_hw *hw, uint32_t eicr)
2437 {
2438         struct fm10k_fault fault;
2439         int err;
2440         const char *estr = "Unknown error";
2441
2442         /* Process PCA fault */
2443         if (eicr & FM10K_EICR_PCA_FAULT) {
2444                 err = fm10k_get_fault(hw, FM10K_PCA_FAULT, &fault);
2445                 if (err)
2446                         goto error;
2447                 switch (fault.type) {
2448                 case PCA_NO_FAULT:
2449                         estr = "PCA_NO_FAULT"; break;
2450                 case PCA_UNMAPPED_ADDR:
2451                         estr = "PCA_UNMAPPED_ADDR"; break;
2452                 case PCA_BAD_QACCESS_PF:
2453                         estr = "PCA_BAD_QACCESS_PF"; break;
2454                 case PCA_BAD_QACCESS_VF:
2455                         estr = "PCA_BAD_QACCESS_VF"; break;
2456                 case PCA_MALICIOUS_REQ:
2457                         estr = "PCA_MALICIOUS_REQ"; break;
2458                 case PCA_POISONED_TLP:
2459                         estr = "PCA_POISONED_TLP"; break;
2460                 case PCA_TLP_ABORT:
2461                         estr = "PCA_TLP_ABORT"; break;
2462                 default:
2463                         goto error;
2464                 }
2465                 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2466                         estr, fault.func ? "VF" : "PF", fault.func,
2467                         fault.address, fault.specinfo);
2468         }
2469
2470         /* Process THI fault */
2471         if (eicr & FM10K_EICR_THI_FAULT) {
2472                 err = fm10k_get_fault(hw, FM10K_THI_FAULT, &fault);
2473                 if (err)
2474                         goto error;
2475                 switch (fault.type) {
2476                 case THI_NO_FAULT:
2477                         estr = "THI_NO_FAULT"; break;
2478                 case THI_MAL_DIS_Q_FAULT:
2479                         estr = "THI_MAL_DIS_Q_FAULT"; break;
2480                 default:
2481                         goto error;
2482                 }
2483                 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2484                         estr, fault.func ? "VF" : "PF", fault.func,
2485                         fault.address, fault.specinfo);
2486         }
2487
2488         /* Process FUM fault */
2489         if (eicr & FM10K_EICR_FUM_FAULT) {
2490                 err = fm10k_get_fault(hw, FM10K_FUM_FAULT, &fault);
2491                 if (err)
2492                         goto error;
2493                 switch (fault.type) {
2494                 case FUM_NO_FAULT:
2495                         estr = "FUM_NO_FAULT"; break;
2496                 case FUM_UNMAPPED_ADDR:
2497                         estr = "FUM_UNMAPPED_ADDR"; break;
2498                 case FUM_POISONED_TLP:
2499                         estr = "FUM_POISONED_TLP"; break;
2500                 case FUM_BAD_VF_QACCESS:
2501                         estr = "FUM_BAD_VF_QACCESS"; break;
2502                 case FUM_ADD_DECODE_ERR:
2503                         estr = "FUM_ADD_DECODE_ERR"; break;
2504                 case FUM_RO_ERROR:
2505                         estr = "FUM_RO_ERROR"; break;
2506                 case FUM_QPRC_CRC_ERROR:
2507                         estr = "FUM_QPRC_CRC_ERROR"; break;
2508                 case FUM_CSR_TIMEOUT:
2509                         estr = "FUM_CSR_TIMEOUT"; break;
2510                 case FUM_INVALID_TYPE:
2511                         estr = "FUM_INVALID_TYPE"; break;
2512                 case FUM_INVALID_LENGTH:
2513                         estr = "FUM_INVALID_LENGTH"; break;
2514                 case FUM_INVALID_BE:
2515                         estr = "FUM_INVALID_BE"; break;
2516                 case FUM_INVALID_ALIGN:
2517                         estr = "FUM_INVALID_ALIGN"; break;
2518                 default:
2519                         goto error;
2520                 }
2521                 PMD_INIT_LOG(ERR, "%s: %s(%d) Addr:0x%"PRIx64" Spec: 0x%x",
2522                         estr, fault.func ? "VF" : "PF", fault.func,
2523                         fault.address, fault.specinfo);
2524         }
2525
2526         return 0;
2527 error:
2528         PMD_INIT_LOG(ERR, "Failed to handle fault event.");
2529         return err;
2530 }
2531
2532 /**
2533  * PF interrupt handler triggered by NIC for handling specific interrupt.
2534  *
2535  * @param handle
2536  *  Pointer to interrupt handle.
2537  * @param param
2538  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2539  *
2540  * @return
2541  *  void
2542  */
2543 static void
2544 fm10k_dev_interrupt_handler_pf(
2545                         struct rte_intr_handle *handle,
2546                         void *param)
2547 {
2548         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2549         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2550         uint32_t cause, status;
2551
2552         if (hw->mac.type != fm10k_mac_pf)
2553                 return;
2554
2555         cause = FM10K_READ_REG(hw, FM10K_EICR);
2556
2557         /* Handle PCI fault cases */
2558         if (cause & FM10K_EICR_FAULT_MASK) {
2559                 PMD_INIT_LOG(ERR, "INT: find fault!");
2560                 fm10k_dev_handle_fault(hw, cause);
2561         }
2562
2563         /* Handle switch up/down */
2564         if (cause & FM10K_EICR_SWITCHNOTREADY)
2565                 PMD_INIT_LOG(ERR, "INT: Switch is not ready");
2566
2567         if (cause & FM10K_EICR_SWITCHREADY)
2568                 PMD_INIT_LOG(INFO, "INT: Switch is ready");
2569
2570         /* Handle mailbox message */
2571         fm10k_mbx_lock(hw);
2572         hw->mbx.ops.process(hw, &hw->mbx);
2573         fm10k_mbx_unlock(hw);
2574
2575         /* Handle SRAM error */
2576         if (cause & FM10K_EICR_SRAMERROR) {
2577                 PMD_INIT_LOG(ERR, "INT: SRAM error on PEP");
2578
2579                 status = FM10K_READ_REG(hw, FM10K_SRAM_IP);
2580                 /* Write to clear pending bits */
2581                 FM10K_WRITE_REG(hw, FM10K_SRAM_IP, status);
2582
2583                 /* Todo: print out error message after shared code  updates */
2584         }
2585
2586         /* Clear these 3 events if having any */
2587         cause &= FM10K_EICR_SWITCHNOTREADY | FM10K_EICR_MAILBOX |
2588                  FM10K_EICR_SWITCHREADY;
2589         if (cause)
2590                 FM10K_WRITE_REG(hw, FM10K_EICR, cause);
2591
2592         /* Re-enable interrupt from device side */
2593         FM10K_WRITE_REG(hw, FM10K_ITR(0), FM10K_ITR_AUTOMASK |
2594                                         FM10K_ITR_MASK_CLEAR);
2595         /* Re-enable interrupt from host side */
2596         rte_intr_enable(handle);
2597 }
2598
2599 /**
2600  * VF interrupt handler triggered by NIC for handling specific interrupt.
2601  *
2602  * @param handle
2603  *  Pointer to interrupt handle.
2604  * @param param
2605  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2606  *
2607  * @return
2608  *  void
2609  */
2610 static void
2611 fm10k_dev_interrupt_handler_vf(
2612                         struct rte_intr_handle *handle,
2613                         void *param)
2614 {
2615         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2616         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2617
2618         if (hw->mac.type != fm10k_mac_vf)
2619                 return;
2620
2621         /* Handle mailbox message if lock is acquired */
2622         fm10k_mbx_lock(hw);
2623         hw->mbx.ops.process(hw, &hw->mbx);
2624         fm10k_mbx_unlock(hw);
2625
2626         /* Re-enable interrupt from device side */
2627         FM10K_WRITE_REG(hw, FM10K_VFITR(0), FM10K_ITR_AUTOMASK |
2628                                         FM10K_ITR_MASK_CLEAR);
2629         /* Re-enable interrupt from host side */
2630         rte_intr_enable(handle);
2631 }
2632
2633 /* Mailbox message handler in VF */
2634 static const struct fm10k_msg_data fm10k_msgdata_vf[] = {
2635         FM10K_TLV_MSG_TEST_HANDLER(fm10k_tlv_msg_test),
2636         FM10K_VF_MSG_MAC_VLAN_HANDLER(fm10k_msg_mac_vlan_vf),
2637         FM10K_VF_MSG_LPORT_STATE_HANDLER(fm10k_msg_lport_state_vf),
2638         FM10K_TLV_MSG_ERROR_HANDLER(fm10k_tlv_msg_error),
2639 };
2640
2641 static int
2642 fm10k_setup_mbx_service(struct fm10k_hw *hw)
2643 {
2644         int err = 0;
2645
2646         /* Initialize mailbox lock */
2647         fm10k_mbx_initlock(hw);
2648
2649         /* Replace default message handler with new ones */
2650         if (hw->mac.type == fm10k_mac_vf)
2651                 err = hw->mbx.ops.register_handlers(&hw->mbx, fm10k_msgdata_vf);
2652
2653         if (err) {
2654                 PMD_INIT_LOG(ERR, "Failed to register mailbox handler.err:%d",
2655                                 err);
2656                 return err;
2657         }
2658         /* Connect to SM for PF device or PF for VF device */
2659         return hw->mbx.ops.connect(hw, &hw->mbx);
2660 }
2661
2662 static void
2663 fm10k_close_mbx_service(struct fm10k_hw *hw)
2664 {
2665         /* Disconnect from SM for PF device or PF for VF device */
2666         hw->mbx.ops.disconnect(hw, &hw->mbx);
2667 }
2668
2669 static const struct eth_dev_ops fm10k_eth_dev_ops = {
2670         .dev_configure          = fm10k_dev_configure,
2671         .dev_start              = fm10k_dev_start,
2672         .dev_stop               = fm10k_dev_stop,
2673         .dev_close              = fm10k_dev_close,
2674         .promiscuous_enable     = fm10k_dev_promiscuous_enable,
2675         .promiscuous_disable    = fm10k_dev_promiscuous_disable,
2676         .allmulticast_enable    = fm10k_dev_allmulticast_enable,
2677         .allmulticast_disable   = fm10k_dev_allmulticast_disable,
2678         .stats_get              = fm10k_stats_get,
2679         .xstats_get             = fm10k_xstats_get,
2680         .xstats_get_names       = fm10k_xstats_get_names,
2681         .stats_reset            = fm10k_stats_reset,
2682         .xstats_reset           = fm10k_stats_reset,
2683         .link_update            = fm10k_link_update,
2684         .dev_infos_get          = fm10k_dev_infos_get,
2685         .dev_supported_ptypes_get = fm10k_dev_supported_ptypes_get,
2686         .vlan_filter_set        = fm10k_vlan_filter_set,
2687         .vlan_offload_set       = fm10k_vlan_offload_set,
2688         .mac_addr_add           = fm10k_macaddr_add,
2689         .mac_addr_remove        = fm10k_macaddr_remove,
2690         .rx_queue_start         = fm10k_dev_rx_queue_start,
2691         .rx_queue_stop          = fm10k_dev_rx_queue_stop,
2692         .tx_queue_start         = fm10k_dev_tx_queue_start,
2693         .tx_queue_stop          = fm10k_dev_tx_queue_stop,
2694         .rx_queue_setup         = fm10k_rx_queue_setup,
2695         .rx_queue_release       = fm10k_rx_queue_release,
2696         .tx_queue_setup         = fm10k_tx_queue_setup,
2697         .tx_queue_release       = fm10k_tx_queue_release,
2698         .rx_descriptor_done     = fm10k_dev_rx_descriptor_done,
2699         .rx_queue_intr_enable   = fm10k_dev_rx_queue_intr_enable,
2700         .rx_queue_intr_disable  = fm10k_dev_rx_queue_intr_disable,
2701         .reta_update            = fm10k_reta_update,
2702         .reta_query             = fm10k_reta_query,
2703         .rss_hash_update        = fm10k_rss_hash_update,
2704         .rss_hash_conf_get      = fm10k_rss_hash_conf_get,
2705 };
2706
2707 static int ftag_check_handler(__rte_unused const char *key,
2708                 const char *value, __rte_unused void *opaque)
2709 {
2710         if (strcmp(value, "1"))
2711                 return -1;
2712
2713         return 0;
2714 }
2715
2716 static int
2717 fm10k_check_ftag(struct rte_devargs *devargs)
2718 {
2719         struct rte_kvargs *kvlist;
2720         const char *ftag_key = "enable_ftag";
2721
2722         if (devargs == NULL)
2723                 return 0;
2724
2725         kvlist = rte_kvargs_parse(devargs->args, NULL);
2726         if (kvlist == NULL)
2727                 return 0;
2728
2729         if (!rte_kvargs_count(kvlist, ftag_key)) {
2730                 rte_kvargs_free(kvlist);
2731                 return 0;
2732         }
2733         /* FTAG is enabled when there's key-value pair: enable_ftag=1 */
2734         if (rte_kvargs_process(kvlist, ftag_key,
2735                                 ftag_check_handler, NULL) < 0) {
2736                 rte_kvargs_free(kvlist);
2737                 return 0;
2738         }
2739         rte_kvargs_free(kvlist);
2740
2741         return 1;
2742 }
2743
2744 static void __attribute__((cold))
2745 fm10k_set_tx_function(struct rte_eth_dev *dev)
2746 {
2747         struct fm10k_tx_queue *txq;
2748         int i;
2749         int use_sse = 1;
2750         uint16_t tx_ftag_en = 0;
2751
2752         if (fm10k_check_ftag(dev->device->devargs))
2753                 tx_ftag_en = 1;
2754
2755         for (i = 0; i < dev->data->nb_tx_queues; i++) {
2756                 txq = dev->data->tx_queues[i];
2757                 txq->tx_ftag_en = tx_ftag_en;
2758                 /* Check if Vector Tx is satisfied */
2759                 if (fm10k_tx_vec_condition_check(txq))
2760                         use_sse = 0;
2761         }
2762
2763         if (use_sse) {
2764                 PMD_INIT_LOG(DEBUG, "Use vector Tx func");
2765                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
2766                         txq = dev->data->tx_queues[i];
2767                         fm10k_txq_vec_setup(txq);
2768                 }
2769                 dev->tx_pkt_burst = fm10k_xmit_pkts_vec;
2770                 dev->tx_pkt_prepare = NULL;
2771         } else {
2772                 dev->tx_pkt_burst = fm10k_xmit_pkts;
2773                 dev->tx_pkt_prepare = fm10k_prep_pkts;
2774                 PMD_INIT_LOG(DEBUG, "Use regular Tx func");
2775         }
2776 }
2777
2778 static void __attribute__((cold))
2779 fm10k_set_rx_function(struct rte_eth_dev *dev)
2780 {
2781         struct fm10k_dev_info *dev_info = FM10K_DEV_PRIVATE_TO_INFO(dev);
2782         uint16_t i, rx_using_sse;
2783         uint16_t rx_ftag_en = 0;
2784
2785         if (fm10k_check_ftag(dev->device->devargs))
2786                 rx_ftag_en = 1;
2787
2788         /* In order to allow Vector Rx there are a few configuration
2789          * conditions to be met.
2790          */
2791         if (!fm10k_rx_vec_condition_check(dev) &&
2792                         dev_info->rx_vec_allowed && !rx_ftag_en) {
2793                 if (dev->data->scattered_rx)
2794                         dev->rx_pkt_burst = fm10k_recv_scattered_pkts_vec;
2795                 else
2796                         dev->rx_pkt_burst = fm10k_recv_pkts_vec;
2797         } else if (dev->data->scattered_rx)
2798                 dev->rx_pkt_burst = fm10k_recv_scattered_pkts;
2799         else
2800                 dev->rx_pkt_burst = fm10k_recv_pkts;
2801
2802         rx_using_sse =
2803                 (dev->rx_pkt_burst == fm10k_recv_scattered_pkts_vec ||
2804                 dev->rx_pkt_burst == fm10k_recv_pkts_vec);
2805
2806         if (rx_using_sse)
2807                 PMD_INIT_LOG(DEBUG, "Use vector Rx func");
2808         else
2809                 PMD_INIT_LOG(DEBUG, "Use regular Rx func");
2810
2811         for (i = 0; i < dev->data->nb_rx_queues; i++) {
2812                 struct fm10k_rx_queue *rxq = dev->data->rx_queues[i];
2813
2814                 rxq->rx_using_sse = rx_using_sse;
2815                 rxq->rx_ftag_en = rx_ftag_en;
2816         }
2817 }
2818
2819 static void
2820 fm10k_params_init(struct rte_eth_dev *dev)
2821 {
2822         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2823         struct fm10k_dev_info *info = FM10K_DEV_PRIVATE_TO_INFO(dev);
2824
2825         /* Inialize bus info. Normally we would call fm10k_get_bus_info(), but
2826          * there is no way to get link status without reading BAR4.  Until this
2827          * works, assume we have maximum bandwidth.
2828          * @todo - fix bus info
2829          */
2830         hw->bus_caps.speed = fm10k_bus_speed_8000;
2831         hw->bus_caps.width = fm10k_bus_width_pcie_x8;
2832         hw->bus_caps.payload = fm10k_bus_payload_512;
2833         hw->bus.speed = fm10k_bus_speed_8000;
2834         hw->bus.width = fm10k_bus_width_pcie_x8;
2835         hw->bus.payload = fm10k_bus_payload_256;
2836
2837         info->rx_vec_allowed = true;
2838 }
2839
2840 static int
2841 eth_fm10k_dev_init(struct rte_eth_dev *dev)
2842 {
2843         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2844         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
2845         struct rte_intr_handle *intr_handle = &pdev->intr_handle;
2846         int diag, i;
2847         struct fm10k_macvlan_filter_info *macvlan;
2848
2849         PMD_INIT_FUNC_TRACE();
2850
2851         dev->dev_ops = &fm10k_eth_dev_ops;
2852         dev->rx_pkt_burst = &fm10k_recv_pkts;
2853         dev->tx_pkt_burst = &fm10k_xmit_pkts;
2854         dev->tx_pkt_prepare = &fm10k_prep_pkts;
2855
2856         /* only initialize in the primary process */
2857         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2858                 return 0;
2859
2860         rte_eth_copy_pci_info(dev, pdev);
2861         dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
2862
2863         macvlan = FM10K_DEV_PRIVATE_TO_MACVLAN(dev->data->dev_private);
2864         memset(macvlan, 0, sizeof(*macvlan));
2865         /* Vendor and Device ID need to be set before init of shared code */
2866         memset(hw, 0, sizeof(*hw));
2867         hw->device_id = pdev->id.device_id;
2868         hw->vendor_id = pdev->id.vendor_id;
2869         hw->subsystem_device_id = pdev->id.subsystem_device_id;
2870         hw->subsystem_vendor_id = pdev->id.subsystem_vendor_id;
2871         hw->revision_id = 0;
2872         hw->hw_addr = (void *)pdev->mem_resource[0].addr;
2873         if (hw->hw_addr == NULL) {
2874                 PMD_INIT_LOG(ERR, "Bad mem resource."
2875                         " Try to blacklist unused devices.");
2876                 return -EIO;
2877         }
2878
2879         /* Store fm10k_adapter pointer */
2880         hw->back = dev->data->dev_private;
2881
2882         /* Initialize the shared code */
2883         diag = fm10k_init_shared_code(hw);
2884         if (diag != FM10K_SUCCESS) {
2885                 PMD_INIT_LOG(ERR, "Shared code init failed: %d", diag);
2886                 return -EIO;
2887         }
2888
2889         /* Initialize parameters */
2890         fm10k_params_init(dev);
2891
2892         /* Initialize the hw */
2893         diag = fm10k_init_hw(hw);
2894         if (diag != FM10K_SUCCESS) {
2895                 PMD_INIT_LOG(ERR, "Hardware init failed: %d", diag);
2896                 return -EIO;
2897         }
2898
2899         /* Initialize MAC address(es) */
2900         dev->data->mac_addrs = rte_zmalloc("fm10k",
2901                         ETHER_ADDR_LEN * FM10K_MAX_MACADDR_NUM, 0);
2902         if (dev->data->mac_addrs == NULL) {
2903                 PMD_INIT_LOG(ERR, "Cannot allocate memory for MAC addresses");
2904                 return -ENOMEM;
2905         }
2906
2907         diag = fm10k_read_mac_addr(hw);
2908
2909         ether_addr_copy((const struct ether_addr *)hw->mac.addr,
2910                         &dev->data->mac_addrs[0]);
2911
2912         if (diag != FM10K_SUCCESS ||
2913                 !is_valid_assigned_ether_addr(dev->data->mac_addrs)) {
2914
2915                 /* Generate a random addr */
2916                 eth_random_addr(hw->mac.addr);
2917                 memcpy(hw->mac.perm_addr, hw->mac.addr, ETH_ALEN);
2918                 ether_addr_copy((const struct ether_addr *)hw->mac.addr,
2919                 &dev->data->mac_addrs[0]);
2920         }
2921
2922         /* Reset the hw statistics */
2923         fm10k_stats_reset(dev);
2924
2925         /* Reset the hw */
2926         diag = fm10k_reset_hw(hw);
2927         if (diag != FM10K_SUCCESS) {
2928                 PMD_INIT_LOG(ERR, "Hardware reset failed: %d", diag);
2929                 return -EIO;
2930         }
2931
2932         /* Setup mailbox service */
2933         diag = fm10k_setup_mbx_service(hw);
2934         if (diag != FM10K_SUCCESS) {
2935                 PMD_INIT_LOG(ERR, "Failed to setup mailbox: %d", diag);
2936                 return -EIO;
2937         }
2938
2939         /*PF/VF has different interrupt handling mechanism */
2940         if (hw->mac.type == fm10k_mac_pf) {
2941                 /* register callback func to eal lib */
2942                 rte_intr_callback_register(intr_handle,
2943                         fm10k_dev_interrupt_handler_pf, (void *)dev);
2944
2945                 /* enable MISC interrupt */
2946                 fm10k_dev_enable_intr_pf(dev);
2947         } else { /* VF */
2948                 rte_intr_callback_register(intr_handle,
2949                         fm10k_dev_interrupt_handler_vf, (void *)dev);
2950
2951                 fm10k_dev_enable_intr_vf(dev);
2952         }
2953
2954         /* Enable intr after callback registered */
2955         rte_intr_enable(intr_handle);
2956
2957         hw->mac.ops.update_int_moderator(hw);
2958
2959         /* Make sure Switch Manager is ready before going forward. */
2960         if (hw->mac.type == fm10k_mac_pf) {
2961                 int switch_ready = 0;
2962
2963                 for (i = 0; i < MAX_QUERY_SWITCH_STATE_TIMES; i++) {
2964                         fm10k_mbx_lock(hw);
2965                         hw->mac.ops.get_host_state(hw, &switch_ready);
2966                         fm10k_mbx_unlock(hw);
2967                         if (switch_ready)
2968                                 break;
2969                         /* Delay some time to acquire async LPORT_MAP info. */
2970                         rte_delay_us(WAIT_SWITCH_MSG_US);
2971                 }
2972
2973                 if (switch_ready == 0) {
2974                         PMD_INIT_LOG(ERR, "switch is not ready");
2975                         return -1;
2976                 }
2977         }
2978
2979         /*
2980          * Below function will trigger operations on mailbox, acquire lock to
2981          * avoid race condition from interrupt handler. Operations on mailbox
2982          * FIFO will trigger interrupt to PF/SM, in which interrupt handler
2983          * will handle and generate an interrupt to our side. Then,  FIFO in
2984          * mailbox will be touched.
2985          */
2986         fm10k_mbx_lock(hw);
2987         /* Enable port first */
2988         hw->mac.ops.update_lport_state(hw, hw->mac.dglort_map,
2989                                         MAX_LPORT_NUM, 1);
2990
2991         /* Set unicast mode by default. App can change to other mode in other
2992          * API func.
2993          */
2994         hw->mac.ops.update_xcast_mode(hw, hw->mac.dglort_map,
2995                                         FM10K_XCAST_MODE_NONE);
2996
2997         fm10k_mbx_unlock(hw);
2998
2999         /* Make sure default VID is ready before going forward. */
3000         if (hw->mac.type == fm10k_mac_pf) {
3001                 for (i = 0; i < MAX_QUERY_SWITCH_STATE_TIMES; i++) {
3002                         if (hw->mac.default_vid)
3003                                 break;
3004                         /* Delay some time to acquire async port VLAN info. */
3005                         rte_delay_us(WAIT_SWITCH_MSG_US);
3006                 }
3007
3008                 if (!hw->mac.default_vid) {
3009                         PMD_INIT_LOG(ERR, "default VID is not ready");
3010                         return -1;
3011                 }
3012         }
3013
3014         /* Add default mac address */
3015         fm10k_MAC_filter_set(dev, hw->mac.addr, true,
3016                 MAIN_VSI_POOL_NUMBER);
3017
3018         return 0;
3019 }
3020
3021 static int
3022 eth_fm10k_dev_uninit(struct rte_eth_dev *dev)
3023 {
3024         struct fm10k_hw *hw = FM10K_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3025         struct rte_pci_device *pdev = RTE_DEV_TO_PCI(dev->device);
3026         struct rte_intr_handle *intr_handle = &pdev->intr_handle;
3027         PMD_INIT_FUNC_TRACE();
3028
3029         /* only uninitialize in the primary process */
3030         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
3031                 return 0;
3032
3033         /* safe to close dev here */
3034         fm10k_dev_close(dev);
3035
3036         dev->dev_ops = NULL;
3037         dev->rx_pkt_burst = NULL;
3038         dev->tx_pkt_burst = NULL;
3039
3040         /* disable uio/vfio intr */
3041         rte_intr_disable(intr_handle);
3042
3043         /*PF/VF has different interrupt handling mechanism */
3044         if (hw->mac.type == fm10k_mac_pf) {
3045                 /* disable interrupt */
3046                 fm10k_dev_disable_intr_pf(dev);
3047
3048                 /* unregister callback func to eal lib */
3049                 rte_intr_callback_unregister(intr_handle,
3050                         fm10k_dev_interrupt_handler_pf, (void *)dev);
3051         } else {
3052                 /* disable interrupt */
3053                 fm10k_dev_disable_intr_vf(dev);
3054
3055                 rte_intr_callback_unregister(intr_handle,
3056                         fm10k_dev_interrupt_handler_vf, (void *)dev);
3057         }
3058
3059         /* free mac memory */
3060         if (dev->data->mac_addrs) {
3061                 rte_free(dev->data->mac_addrs);
3062                 dev->data->mac_addrs = NULL;
3063         }
3064
3065         memset(hw, 0, sizeof(*hw));
3066
3067         return 0;
3068 }
3069
3070 /*
3071  * The set of PCI devices this driver supports. This driver will enable both PF
3072  * and SRIOV-VF devices.
3073  */
3074 static const struct rte_pci_id pci_id_fm10k_map[] = {
3075         { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_PF) },
3076         { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_SDI_FM10420_QDA2) },
3077         { RTE_PCI_DEVICE(FM10K_INTEL_VENDOR_ID, FM10K_DEV_ID_VF) },
3078         { .vendor_id = 0, /* sentinel */ },
3079 };
3080
3081 static struct eth_driver rte_pmd_fm10k = {
3082         .pci_drv = {
3083                 .id_table = pci_id_fm10k_map,
3084                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
3085                 .probe = rte_eth_dev_pci_probe,
3086                 .remove = rte_eth_dev_pci_remove,
3087         },
3088         .eth_dev_init = eth_fm10k_dev_init,
3089         .eth_dev_uninit = eth_fm10k_dev_uninit,
3090         .dev_private_size = sizeof(struct fm10k_adapter),
3091 };
3092
3093 RTE_PMD_REGISTER_PCI(net_fm10k, rte_pmd_fm10k.pci_drv);
3094 RTE_PMD_REGISTER_PCI_TABLE(net_fm10k, pci_id_fm10k_map);
3095 RTE_PMD_REGISTER_KMOD_DEP(net_fm10k, "* igb_uio | uio_pci_generic | vfio");