drivers/net/i40e/i40e_ethdev_vf.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 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 <sys/queue.h>
  35 #include <stdio.h>
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <string.h>
  39 #include <unistd.h>
  40 #include <stdarg.h>
  41 #include <inttypes.h>
  42 #include <rte_byteorder.h>
  43 #include <rte_common.h>
  44 #include <rte_cycles.h>
  45
  46 #include <rte_interrupts.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_pci.h>
  50 #include <rte_atomic.h>
  51 #include <rte_branch_prediction.h>
  52 #include <rte_memory.h>
  53 #include <rte_memzone.h>
  54 #include <rte_eal.h>
  55 #include <rte_alarm.h>
  56 #include <rte_ether.h>
  57 #include <rte_ethdev.h>
  58 #include <rte_ethdev_pci.h>
  59 #include <rte_malloc.h>
  60 #include <rte_dev.h>
  61
  62 #include "i40e_logs.h"
  63 #include "base/i40e_prototype.h"
  64 #include "base/i40e_adminq_cmd.h"
  65 #include "base/i40e_type.h"
  66
  67 #include "i40e_rxtx.h"
  68 #include "i40e_ethdev.h"
  69 #include "i40e_pf.h"
  70 #define I40EVF_VSI_DEFAULT_MSIX_INTR     1
  71 #define I40EVF_VSI_DEFAULT_MSIX_INTR_LNX 0
  72
  73 /* busy wait delay in msec */
  74 #define I40EVF_BUSY_WAIT_DELAY 10
  75 #define I40EVF_BUSY_WAIT_COUNT 50
  76 #define MAX_RESET_WAIT_CNT     20
  77
  78 struct i40evf_arq_msg_info {
  79         enum virtchnl_ops ops;
  80         enum i40e_status_code result;
  81         uint16_t buf_len;
  82         uint16_t msg_len;
  83         uint8_t *msg;
  84 };
  85
  86 struct vf_cmd_info {
  87         enum virtchnl_ops ops;
  88         uint8_t *in_args;
  89         uint32_t in_args_size;
  90         uint8_t *out_buffer;
  91         /* Input & output type. pass in buffer size and pass out
  92          * actual return result
  93          */
  94         uint32_t out_size;
  95 };
  96
  97 enum i40evf_aq_result {
  98         I40EVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
  99         I40EVF_MSG_NON,      /* Read nothing from admin queue */
 100         I40EVF_MSG_SYS,      /* Read system msg from admin queue */
 101         I40EVF_MSG_CMD,      /* Read async command result */
 102 };
 103
 104 static int i40evf_dev_configure(struct rte_eth_dev *dev);
 105 static int i40evf_dev_start(struct rte_eth_dev *dev);
 106 static void i40evf_dev_stop(struct rte_eth_dev *dev);
 107 static void i40evf_dev_info_get(struct rte_eth_dev *dev,
 108                                 struct rte_eth_dev_info *dev_info);
 109 static int i40evf_dev_link_update(struct rte_eth_dev *dev,
 110                                   int wait_to_complete);
 111 static void i40evf_dev_stats_get(struct rte_eth_dev *dev,
 112                                 struct rte_eth_stats *stats);
 113 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 114                                  struct rte_eth_xstat *xstats, unsigned n);
 115 static int i40evf_dev_xstats_get_names(struct rte_eth_dev *dev,
 116                                        struct rte_eth_xstat_name *xstats_names,
 117                                        unsigned limit);
 118 static void i40evf_dev_xstats_reset(struct rte_eth_dev *dev);
 119 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
 120                                   uint16_t vlan_id, int on);
 121 static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 122 static void i40evf_dev_close(struct rte_eth_dev *dev);
 123 static int  i40evf_dev_reset(struct rte_eth_dev *dev);
 124 static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
 125 static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
 126 static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
 127 static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
 128 static int i40evf_init_vlan(struct rte_eth_dev *dev);
 129 static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
 130                                      uint16_t rx_queue_id);
 131 static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev,
 132                                     uint16_t rx_queue_id);
 133 static int i40evf_dev_tx_queue_start(struct rte_eth_dev *dev,
 134                                      uint16_t tx_queue_id);
 135 static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev,
 136                                     uint16_t tx_queue_id);
 137 static int i40evf_add_mac_addr(struct rte_eth_dev *dev,
 138                                struct ether_addr *addr,
 139                                uint32_t index,
 140                                uint32_t pool);
 141 static void i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index);
 142 static int i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
 143                         struct rte_eth_rss_reta_entry64 *reta_conf,
 144                         uint16_t reta_size);
 145 static int i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
 146                         struct rte_eth_rss_reta_entry64 *reta_conf,
 147                         uint16_t reta_size);
 148 static int i40evf_config_rss(struct i40e_vf *vf);
 149 static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
 150                                       struct rte_eth_rss_conf *rss_conf);
 151 static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 152                                         struct rte_eth_rss_conf *rss_conf);
 153 static int i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 154 static void i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
 155                                         struct ether_addr *mac_addr);
 156 static int
 157 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id);
 158 static int
 159 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id);
 160 static void i40evf_handle_pf_event(struct rte_eth_dev *dev,
 161                                    uint8_t *msg,
 162                                    uint16_t msglen);
 163
 164 /* Default hash key buffer for RSS */
 165 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
 166
 167 struct rte_i40evf_xstats_name_off {
 168         char name[RTE_ETH_XSTATS_NAME_SIZE];
 169         unsigned offset;
 170 };
 171
 172 static const struct rte_i40evf_xstats_name_off rte_i40evf_stats_strings[] = {
 173         {"rx_bytes", offsetof(struct i40e_eth_stats, rx_bytes)},
 174         {"rx_unicast_packets", offsetof(struct i40e_eth_stats, rx_unicast)},
 175         {"rx_multicast_packets", offsetof(struct i40e_eth_stats, rx_multicast)},
 176         {"rx_broadcast_packets", offsetof(struct i40e_eth_stats, rx_broadcast)},
 177         {"rx_dropped_packets", offsetof(struct i40e_eth_stats, rx_discards)},
 178         {"rx_unknown_protocol_packets", offsetof(struct i40e_eth_stats,
 179                 rx_unknown_protocol)},
 180         {"tx_bytes", offsetof(struct i40e_eth_stats, tx_bytes)},
 181         {"tx_unicast_packets", offsetof(struct i40e_eth_stats, tx_unicast)},
 182         {"tx_multicast_packets", offsetof(struct i40e_eth_stats, tx_multicast)},
 183         {"tx_broadcast_packets", offsetof(struct i40e_eth_stats, tx_broadcast)},
 184         {"tx_dropped_packets", offsetof(struct i40e_eth_stats, tx_discards)},
 185         {"tx_error_packets", offsetof(struct i40e_eth_stats, tx_errors)},
 186 };
 187
 188 #define I40EVF_NB_XSTATS (sizeof(rte_i40evf_stats_strings) / \
 189                 sizeof(rte_i40evf_stats_strings[0]))
 190
 191 static const struct eth_dev_ops i40evf_eth_dev_ops = {
 192         .dev_configure        = i40evf_dev_configure,
 193         .dev_start            = i40evf_dev_start,
 194         .dev_stop             = i40evf_dev_stop,
 195         .promiscuous_enable   = i40evf_dev_promiscuous_enable,
 196         .promiscuous_disable  = i40evf_dev_promiscuous_disable,
 197         .allmulticast_enable  = i40evf_dev_allmulticast_enable,
 198         .allmulticast_disable = i40evf_dev_allmulticast_disable,
 199         .link_update          = i40evf_dev_link_update,
 200         .stats_get            = i40evf_dev_stats_get,
 201         .stats_reset          = i40evf_dev_xstats_reset,
 202         .xstats_get           = i40evf_dev_xstats_get,
 203         .xstats_get_names     = i40evf_dev_xstats_get_names,
 204         .xstats_reset         = i40evf_dev_xstats_reset,
 205         .dev_close            = i40evf_dev_close,
 206         .dev_reset            = i40evf_dev_reset,
 207         .dev_infos_get        = i40evf_dev_info_get,
 208         .dev_supported_ptypes_get = i40e_dev_supported_ptypes_get,
 209         .vlan_filter_set      = i40evf_vlan_filter_set,
 210         .vlan_offload_set     = i40evf_vlan_offload_set,
 211         .rx_queue_start       = i40evf_dev_rx_queue_start,
 212         .rx_queue_stop        = i40evf_dev_rx_queue_stop,
 213         .tx_queue_start       = i40evf_dev_tx_queue_start,
 214         .tx_queue_stop        = i40evf_dev_tx_queue_stop,
 215         .rx_queue_setup       = i40e_dev_rx_queue_setup,
 216         .rx_queue_release     = i40e_dev_rx_queue_release,
 217         .rx_queue_intr_enable = i40evf_dev_rx_queue_intr_enable,
 218         .rx_queue_intr_disable = i40evf_dev_rx_queue_intr_disable,
 219         .rx_descriptor_done   = i40e_dev_rx_descriptor_done,
 220         .rx_descriptor_status = i40e_dev_rx_descriptor_status,
 221         .tx_descriptor_status = i40e_dev_tx_descriptor_status,
 222         .tx_queue_setup       = i40e_dev_tx_queue_setup,
 223         .tx_queue_release     = i40e_dev_tx_queue_release,
 224         .rx_queue_count       = i40e_dev_rx_queue_count,
 225         .rxq_info_get         = i40e_rxq_info_get,
 226         .txq_info_get         = i40e_txq_info_get,
 227         .mac_addr_add         = i40evf_add_mac_addr,
 228         .mac_addr_remove      = i40evf_del_mac_addr,
 229         .reta_update          = i40evf_dev_rss_reta_update,
 230         .reta_query           = i40evf_dev_rss_reta_query,
 231         .rss_hash_update      = i40evf_dev_rss_hash_update,
 232         .rss_hash_conf_get    = i40evf_dev_rss_hash_conf_get,
 233         .mtu_set              = i40evf_dev_mtu_set,
 234         .mac_addr_set         = i40evf_set_default_mac_addr,
 235 };
 236
 237 /*
 238  * Read data in admin queue to get msg from pf driver
 239  */
 240 static enum i40evf_aq_result
 241 i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
 242 {
 243         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 244         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 245         struct i40e_arq_event_info event;
 246         enum virtchnl_ops opcode;
 247         enum i40e_status_code retval;
 248         int ret;
 249         enum i40evf_aq_result result = I40EVF_MSG_NON;
 250
 251         event.buf_len = data->buf_len;
 252         event.msg_buf = data->msg;
 253         ret = i40e_clean_arq_element(hw, &event, NULL);
 254         /* Can't read any msg from adminQ */
 255         if (ret) {
 256                 if (ret != I40E_ERR_ADMIN_QUEUE_NO_WORK)
 257                         result = I40EVF_MSG_ERR;
 258                 return result;
 259         }
 260
 261         opcode = (enum virtchnl_ops)rte_le_to_cpu_32(event.desc.cookie_high);
 262         retval = (enum i40e_status_code)rte_le_to_cpu_32(event.desc.cookie_low);
 263         /* pf sys event */
 264         if (opcode == VIRTCHNL_OP_EVENT) {
 265                 struct virtchnl_pf_event *vpe =
 266                         (struct virtchnl_pf_event *)event.msg_buf;
 267
 268                 result = I40EVF_MSG_SYS;
 269                 switch (vpe->event) {
 270                 case VIRTCHNL_EVENT_LINK_CHANGE:
 271                         vf->link_up =
 272                                 vpe->event_data.link_event.link_status;
 273                         vf->link_speed =
 274                                 vpe->event_data.link_event.link_speed;
 275                         vf->pend_msg |= PFMSG_LINK_CHANGE;
 276                         PMD_DRV_LOG(INFO, "Link status update:%s",
 277                                     vf->link_up ? "up" : "down");
 278                         break;
 279                 case VIRTCHNL_EVENT_RESET_IMPENDING:
 280                         vf->vf_reset = true;
 281                         vf->pend_msg |= PFMSG_RESET_IMPENDING;
 282                         PMD_DRV_LOG(INFO, "vf is reseting");
 283                         break;
 284                 case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 285                         vf->dev_closed = true;
 286                         vf->pend_msg |= PFMSG_DRIVER_CLOSE;
 287                         PMD_DRV_LOG(INFO, "PF driver closed");
 288                         break;
 289                 default:
 290                         PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
 291                                     __func__, vpe->event);
 292                 }
 293         } else {
 294                 /* async reply msg on command issued by vf previously */
 295                 result = I40EVF_MSG_CMD;
 296                 /* Actual data length read from PF */
 297                 data->msg_len = event.msg_len;
 298         }
 299
 300         data->result = retval;
 301         data->ops = opcode;
 302
 303         return result;
 304 }
 305
 306 /**
 307  * clear current command. Only call in case execute
 308  * _atomic_set_cmd successfully.
 309  */
 310 static inline void
 311 _clear_cmd(struct i40e_vf *vf)
 312 {
 313         rte_wmb();
 314         vf->pend_cmd = VIRTCHNL_OP_UNKNOWN;
 315 }
 316
 317 /*
 318  * Check there is pending cmd in execution. If none, set new command.
 319  */
 320 static inline int
 321 _atomic_set_cmd(struct i40e_vf *vf, enum virtchnl_ops ops)
 322 {
 323         int ret = rte_atomic32_cmpset(&vf->pend_cmd,
 324                         VIRTCHNL_OP_UNKNOWN, ops);
 325
 326         if (!ret)
 327                 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
 328
 329         return !ret;
 330 }
 331
 332 #define MAX_TRY_TIMES 200
 333 #define ASQ_DELAY_MS  10
 334
 335 static int
 336 i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
 337 {
 338         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 339         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 340         struct i40evf_arq_msg_info info;
 341         enum i40evf_aq_result ret;
 342         int err, i = 0;
 343
 344         if (_atomic_set_cmd(vf, args->ops))
 345                 return -1;
 346
 347         info.msg = args->out_buffer;
 348         info.buf_len = args->out_size;
 349         info.ops = VIRTCHNL_OP_UNKNOWN;
 350         info.result = I40E_SUCCESS;
 351
 352         err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
 353                      args->in_args, args->in_args_size, NULL);
 354         if (err) {
 355                 PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
 356                 _clear_cmd(vf);
 357                 return err;
 358         }
 359
 360         switch (args->ops) {
 361         case VIRTCHNL_OP_RESET_VF:
 362                 /*no need to process in this function */
 363                 err = 0;
 364                 break;
 365         case VIRTCHNL_OP_VERSION:
 366         case VIRTCHNL_OP_GET_VF_RESOURCES:
 367                 /* for init adminq commands, need to poll the response */
 368                 err = -1;
 369                 do {
 370                         ret = i40evf_read_pfmsg(dev, &info);
 371                         vf->cmd_retval = info.result;
 372                         if (ret == I40EVF_MSG_CMD) {
 373                                 err = 0;
 374                                 break;
 375                         } else if (ret == I40EVF_MSG_ERR)
 376                                 break;
 377                         rte_delay_ms(ASQ_DELAY_MS);
 378                         /* If don't read msg or read sys event, continue */
 379                 } while (i++ < MAX_TRY_TIMES);
 380                 _clear_cmd(vf);
 381                 break;
 382
 383         default:
 384                 /* for other adminq in running time, waiting the cmd done flag */
 385                 err = -1;
 386                 do {
 387                         if (vf->pend_cmd == VIRTCHNL_OP_UNKNOWN) {
 388                                 err = 0;
 389                                 break;
 390                         }
 391                         rte_delay_ms(ASQ_DELAY_MS);
 392                         /* If don't read msg or read sys event, continue */
 393                 } while (i++ < MAX_TRY_TIMES);
 394                 /* If there's no response is received, clear command */
 395                 if (i >= MAX_TRY_TIMES) {
 396                         PMD_DRV_LOG(WARNING, "No response for %d", args->ops);
 397                         _clear_cmd(vf);
 398                 }
 399                 break;
 400         }
 401
 402         return err | vf->cmd_retval;
 403 }
 404
 405 /*
 406  * Check API version with sync wait until version read or fail from admin queue
 407  */
 408 static int
 409 i40evf_check_api_version(struct rte_eth_dev *dev)
 410 {
 411         struct virtchnl_version_info version, *pver;
 412         int err;
 413         struct vf_cmd_info args;
 414         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 415
 416         version.major = VIRTCHNL_VERSION_MAJOR;
 417         version.minor = VIRTCHNL_VERSION_MINOR;
 418
 419         args.ops = VIRTCHNL_OP_VERSION;
 420         args.in_args = (uint8_t *)&version;
 421         args.in_args_size = sizeof(version);
 422         args.out_buffer = vf->aq_resp;
 423         args.out_size = I40E_AQ_BUF_SZ;
 424
 425         err = i40evf_execute_vf_cmd(dev, &args);
 426         if (err) {
 427                 PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION");
 428                 return err;
 429         }
 430
 431         pver = (struct virtchnl_version_info *)args.out_buffer;
 432         vf->version_major = pver->major;
 433         vf->version_minor = pver->minor;
 434         if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
 435                 (vf->version_minor <= VIRTCHNL_VERSION_MINOR))
 436                 PMD_DRV_LOG(INFO, "Peer is Linux PF host");
 437         else {
 438                 PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
 439                                         vf->version_major, vf->version_minor,
 440                                                 VIRTCHNL_VERSION_MAJOR,
 441                                                 VIRTCHNL_VERSION_MINOR);
 442                 return -1;
 443         }
 444
 445         return 0;
 446 }
 447
 448 static int
 449 i40evf_get_vf_resource(struct rte_eth_dev *dev)
 450 {
 451         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 452         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 453         int err;
 454         struct vf_cmd_info args;
 455         uint32_t caps, len;
 456
 457         args.ops = VIRTCHNL_OP_GET_VF_RESOURCES;
 458         args.out_buffer = vf->aq_resp;
 459         args.out_size = I40E_AQ_BUF_SZ;
 460         if (PF_IS_V11(vf)) {
 461                 caps = VIRTCHNL_VF_OFFLOAD_L2 |
 462                        VIRTCHNL_VF_OFFLOAD_RSS_AQ |
 463                        VIRTCHNL_VF_OFFLOAD_RSS_REG |
 464                        VIRTCHNL_VF_OFFLOAD_VLAN |
 465                        VIRTCHNL_VF_OFFLOAD_RX_POLLING;
 466                 args.in_args = (uint8_t *)&caps;
 467                 args.in_args_size = sizeof(caps);
 468         } else {
 469                 args.in_args = NULL;
 470                 args.in_args_size = 0;
 471         }
 472         err = i40evf_execute_vf_cmd(dev, &args);
 473
 474         if (err) {
 475                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
 476                 return err;
 477         }
 478
 479         len =  sizeof(struct virtchnl_vf_resource) +
 480                 I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource);
 481
 482         rte_memcpy(vf->vf_res, args.out_buffer,
 483                         RTE_MIN(args.out_size, len));
 484         i40e_vf_parse_hw_config(hw, vf->vf_res);
 485
 486         return 0;
 487 }
 488
 489 static int
 490 i40evf_config_promisc(struct rte_eth_dev *dev,
 491                       bool enable_unicast,
 492                       bool enable_multicast)
 493 {
 494         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 495         int err;
 496         struct vf_cmd_info args;
 497         struct virtchnl_promisc_info promisc;
 498
 499         promisc.flags = 0;
 500         promisc.vsi_id = vf->vsi_res->vsi_id;
 501
 502         if (enable_unicast)
 503                 promisc.flags |= FLAG_VF_UNICAST_PROMISC;
 504
 505         if (enable_multicast)
 506                 promisc.flags |= FLAG_VF_MULTICAST_PROMISC;
 507
 508         args.ops = VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
 509         args.in_args = (uint8_t *)&promisc;
 510         args.in_args_size = sizeof(promisc);
 511         args.out_buffer = vf->aq_resp;
 512         args.out_size = I40E_AQ_BUF_SZ;
 513
 514         err = i40evf_execute_vf_cmd(dev, &args);
 515
 516         if (err)
 517                 PMD_DRV_LOG(ERR, "fail to execute command "
 518                             "CONFIG_PROMISCUOUS_MODE");
 519         return err;
 520 }
 521
 522 static int
 523 i40evf_enable_vlan_strip(struct rte_eth_dev *dev)
 524 {
 525         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 526         struct vf_cmd_info args;
 527         int ret;
 528
 529         memset(&args, 0, sizeof(args));
 530         args.ops = VIRTCHNL_OP_ENABLE_VLAN_STRIPPING;
 531         args.in_args = NULL;
 532         args.in_args_size = 0;
 533         args.out_buffer = vf->aq_resp;
 534         args.out_size = I40E_AQ_BUF_SZ;
 535         ret = i40evf_execute_vf_cmd(dev, &args);
 536         if (ret)
 537                 PMD_DRV_LOG(ERR, "Failed to execute command of "
 538                             "VIRTCHNL_OP_ENABLE_VLAN_STRIPPING");
 539
 540         return ret;
 541 }
 542
 543 static int
 544 i40evf_disable_vlan_strip(struct rte_eth_dev *dev)
 545 {
 546         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 547         struct vf_cmd_info args;
 548         int ret;
 549
 550         memset(&args, 0, sizeof(args));
 551         args.ops = VIRTCHNL_OP_DISABLE_VLAN_STRIPPING;
 552         args.in_args = NULL;
 553         args.in_args_size = 0;
 554         args.out_buffer = vf->aq_resp;
 555         args.out_size = I40E_AQ_BUF_SZ;
 556         ret = i40evf_execute_vf_cmd(dev, &args);
 557         if (ret)
 558                 PMD_DRV_LOG(ERR, "Failed to execute command of "
 559                             "VIRTCHNL_OP_DISABLE_VLAN_STRIPPING");
 560
 561         return ret;
 562 }
 563
 564 static void
 565 i40evf_fill_virtchnl_vsi_txq_info(struct virtchnl_txq_info *txq_info,
 566                                   uint16_t vsi_id,
 567                                   uint16_t queue_id,
 568                                   uint16_t nb_txq,
 569                                   struct i40e_tx_queue *txq)
 570 {
 571         txq_info->vsi_id = vsi_id;
 572         txq_info->queue_id = queue_id;
 573         if (queue_id < nb_txq) {
 574                 txq_info->ring_len = txq->nb_tx_desc;
 575                 txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
 576         }
 577 }
 578
 579 static void
 580 i40evf_fill_virtchnl_vsi_rxq_info(struct virtchnl_rxq_info *rxq_info,
 581                                   uint16_t vsi_id,
 582                                   uint16_t queue_id,
 583                                   uint16_t nb_rxq,
 584                                   uint32_t max_pkt_size,
 585                                   struct i40e_rx_queue *rxq)
 586 {
 587         rxq_info->vsi_id = vsi_id;
 588         rxq_info->queue_id = queue_id;
 589         rxq_info->max_pkt_size = max_pkt_size;
 590         if (queue_id < nb_rxq) {
 591                 rxq_info->ring_len = rxq->nb_rx_desc;
 592                 rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
 593                 rxq_info->databuffer_size =
 594                         (rte_pktmbuf_data_room_size(rxq->mp) -
 595                                 RTE_PKTMBUF_HEADROOM);
 596         }
 597 }
 598
 599 static int
 600 i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
 601 {
 602         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 603         struct i40e_rx_queue **rxq =
 604                 (struct i40e_rx_queue **)dev->data->rx_queues;
 605         struct i40e_tx_queue **txq =
 606                 (struct i40e_tx_queue **)dev->data->tx_queues;
 607         struct virtchnl_vsi_queue_config_info *vc_vqci;
 608         struct virtchnl_queue_pair_info *vc_qpi;
 609         struct vf_cmd_info args;
 610         uint16_t i, nb_qp = vf->num_queue_pairs;
 611         const uint32_t size =
 612                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
 613         uint8_t buff[size];
 614         int ret;
 615
 616         memset(buff, 0, sizeof(buff));
 617         vc_vqci = (struct virtchnl_vsi_queue_config_info *)buff;
 618         vc_vqci->vsi_id = vf->vsi_res->vsi_id;
 619         vc_vqci->num_queue_pairs = nb_qp;
 620
 621         for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
 622                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
 623                         vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
 624                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
 625                         vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
 626                                         vf->max_pkt_len, rxq[i]);
 627         }
 628         memset(&args, 0, sizeof(args));
 629         args.ops = VIRTCHNL_OP_CONFIG_VSI_QUEUES;
 630         args.in_args = (uint8_t *)vc_vqci;
 631         args.in_args_size = size;
 632         args.out_buffer = vf->aq_resp;
 633         args.out_size = I40E_AQ_BUF_SZ;
 634         ret = i40evf_execute_vf_cmd(dev, &args);
 635         if (ret)
 636                 PMD_DRV_LOG(ERR, "Failed to execute command of "
 637                         "VIRTCHNL_OP_CONFIG_VSI_QUEUES");
 638
 639         return ret;
 640 }
 641
 642 static int
 643 i40evf_config_irq_map(struct rte_eth_dev *dev)
 644 {
 645         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 646         struct vf_cmd_info args;
 647         uint8_t cmd_buffer[sizeof(struct virtchnl_irq_map_info) + \
 648                 sizeof(struct virtchnl_vector_map)];
 649         struct virtchnl_irq_map_info *map_info;
 650         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 651         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 652         uint32_t vector_id;
 653         int i, err;
 654
 655         if (rte_intr_allow_others(intr_handle))
 656                 vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR_LNX;
 657         else
 658                 vector_id = I40E_MISC_VEC_ID;
 659
 660         map_info = (struct virtchnl_irq_map_info *)cmd_buffer;
 661         map_info->num_vectors = 1;
 662         map_info->vecmap[0].rxitr_idx = I40E_ITR_INDEX_DEFAULT;
 663         map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
 664         /* Alway use default dynamic MSIX interrupt */
 665         map_info->vecmap[0].vector_id = vector_id;
 666         /* Don't map any tx queue */
 667         map_info->vecmap[0].txq_map = 0;
 668         map_info->vecmap[0].rxq_map = 0;
 669         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 670                 map_info->vecmap[0].rxq_map |= 1 << i;
 671                 if (rte_intr_dp_is_en(intr_handle))
 672                         intr_handle->intr_vec[i] = vector_id;
 673         }
 674
 675         args.ops = VIRTCHNL_OP_CONFIG_IRQ_MAP;
 676         args.in_args = (u8 *)cmd_buffer;
 677         args.in_args_size = sizeof(cmd_buffer);
 678         args.out_buffer = vf->aq_resp;
 679         args.out_size = I40E_AQ_BUF_SZ;
 680         err = i40evf_execute_vf_cmd(dev, &args);
 681         if (err)
 682                 PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES");
 683
 684         return err;
 685 }
 686
 687 static int
 688 i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
 689                                 bool on)
 690 {
 691         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 692         struct virtchnl_queue_select queue_select;
 693         int err;
 694         struct vf_cmd_info args;
 695         memset(&queue_select, 0, sizeof(queue_select));
 696         queue_select.vsi_id = vf->vsi_res->vsi_id;
 697
 698         if (isrx)
 699                 queue_select.rx_queues |= 1 << qid;
 700         else
 701                 queue_select.tx_queues |= 1 << qid;
 702
 703         if (on)
 704                 args.ops = VIRTCHNL_OP_ENABLE_QUEUES;
 705         else
 706                 args.ops = VIRTCHNL_OP_DISABLE_QUEUES;
 707         args.in_args = (u8 *)&queue_select;
 708         args.in_args_size = sizeof(queue_select);
 709         args.out_buffer = vf->aq_resp;
 710         args.out_size = I40E_AQ_BUF_SZ;
 711         err = i40evf_execute_vf_cmd(dev, &args);
 712         if (err)
 713                 PMD_DRV_LOG(ERR, "fail to switch %s %u %s",
 714                             isrx ? "RX" : "TX", qid, on ? "on" : "off");
 715
 716         return err;
 717 }
 718
 719 static int
 720 i40evf_start_queues(struct rte_eth_dev *dev)
 721 {
 722         struct rte_eth_dev_data *dev_data = dev->data;
 723         int i;
 724         struct i40e_rx_queue *rxq;
 725         struct i40e_tx_queue *txq;
 726
 727         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 728                 rxq = dev_data->rx_queues[i];
 729                 if (rxq->rx_deferred_start)
 730                         continue;
 731                 if (i40evf_dev_rx_queue_start(dev, i) != 0) {
 732                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 733                         return -1;
 734                 }
 735         }
 736
 737         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 738                 txq = dev_data->tx_queues[i];
 739                 if (txq->tx_deferred_start)
 740                         continue;
 741                 if (i40evf_dev_tx_queue_start(dev, i) != 0) {
 742                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 743                         return -1;
 744                 }
 745         }
 746
 747         return 0;
 748 }
 749
 750 static int
 751 i40evf_stop_queues(struct rte_eth_dev *dev)
 752 {
 753         int i;
 754
 755         /* Stop TX queues first */
 756         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 757                 if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
 758                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
 759                         return -1;
 760                 }
 761         }
 762
 763         /* Then stop RX queues */
 764         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 765                 if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
 766                         PMD_DRV_LOG(ERR, "Fail to stop queue %u", i);
 767                         return -1;
 768                 }
 769         }
 770
 771         return 0;
 772 }
 773
 774 static int
 775 i40evf_add_mac_addr(struct rte_eth_dev *dev,
 776                     struct ether_addr *addr,
 777                     __rte_unused uint32_t index,
 778                     __rte_unused uint32_t pool)
 779 {
 780         struct virtchnl_ether_addr_list *list;
 781         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 782         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
 783                         sizeof(struct virtchnl_ether_addr)];
 784         int err;
 785         struct vf_cmd_info args;
 786
 787         if (is_zero_ether_addr(addr)) {
 788                 PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
 789                             addr->addr_bytes[0], addr->addr_bytes[1],
 790                             addr->addr_bytes[2], addr->addr_bytes[3],
 791                             addr->addr_bytes[4], addr->addr_bytes[5]);
 792                 return I40E_ERR_INVALID_MAC_ADDR;
 793         }
 794
 795         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
 796         list->vsi_id = vf->vsi_res->vsi_id;
 797         list->num_elements = 1;
 798         rte_memcpy(list->list[0].addr, addr->addr_bytes,
 799                                         sizeof(addr->addr_bytes));
 800
 801         args.ops = VIRTCHNL_OP_ADD_ETH_ADDR;
 802         args.in_args = cmd_buffer;
 803         args.in_args_size = sizeof(cmd_buffer);
 804         args.out_buffer = vf->aq_resp;
 805         args.out_size = I40E_AQ_BUF_SZ;
 806         err = i40evf_execute_vf_cmd(dev, &args);
 807         if (err)
 808                 PMD_DRV_LOG(ERR, "fail to execute command "
 809                             "OP_ADD_ETHER_ADDRESS");
 810         else
 811                 vf->vsi.mac_num++;
 812
 813         return err;
 814 }
 815
 816 static void
 817 i40evf_del_mac_addr_by_addr(struct rte_eth_dev *dev,
 818                             struct ether_addr *addr)
 819 {
 820         struct virtchnl_ether_addr_list *list;
 821         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 822         uint8_t cmd_buffer[sizeof(struct virtchnl_ether_addr_list) + \
 823                         sizeof(struct virtchnl_ether_addr)];
 824         int err;
 825         struct vf_cmd_info args;
 826
 827         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
 828                 PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x",
 829                             addr->addr_bytes[0], addr->addr_bytes[1],
 830                             addr->addr_bytes[2], addr->addr_bytes[3],
 831                             addr->addr_bytes[4], addr->addr_bytes[5]);
 832                 return;
 833         }
 834
 835         list = (struct virtchnl_ether_addr_list *)cmd_buffer;
 836         list->vsi_id = vf->vsi_res->vsi_id;
 837         list->num_elements = 1;
 838         rte_memcpy(list->list[0].addr, addr->addr_bytes,
 839                         sizeof(addr->addr_bytes));
 840
 841         args.ops = VIRTCHNL_OP_DEL_ETH_ADDR;
 842         args.in_args = cmd_buffer;
 843         args.in_args_size = sizeof(cmd_buffer);
 844         args.out_buffer = vf->aq_resp;
 845         args.out_size = I40E_AQ_BUF_SZ;
 846         err = i40evf_execute_vf_cmd(dev, &args);
 847         if (err)
 848                 PMD_DRV_LOG(ERR, "fail to execute command "
 849                             "OP_DEL_ETHER_ADDRESS");
 850         else
 851                 vf->vsi.mac_num--;
 852         return;
 853 }
 854
 855 static void
 856 i40evf_del_mac_addr(struct rte_eth_dev *dev, uint32_t index)
 857 {
 858         struct rte_eth_dev_data *data = dev->data;
 859         struct ether_addr *addr;
 860
 861         addr = &data->mac_addrs[index];
 862
 863         i40evf_del_mac_addr_by_addr(dev, addr);
 864 }
 865
 866 static int
 867 i40evf_query_stats(struct rte_eth_dev *dev, struct i40e_eth_stats **pstats)
 868 {
 869         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 870         struct virtchnl_queue_select q_stats;
 871         int err;
 872         struct vf_cmd_info args;
 873
 874         memset(&q_stats, 0, sizeof(q_stats));
 875         q_stats.vsi_id = vf->vsi_res->vsi_id;
 876         args.ops = VIRTCHNL_OP_GET_STATS;
 877         args.in_args = (u8 *)&q_stats;
 878         args.in_args_size = sizeof(q_stats);
 879         args.out_buffer = vf->aq_resp;
 880         args.out_size = I40E_AQ_BUF_SZ;
 881
 882         err = i40evf_execute_vf_cmd(dev, &args);
 883         if (err) {
 884                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
 885                 *pstats = NULL;
 886                 return err;
 887         }
 888         *pstats = (struct i40e_eth_stats *)args.out_buffer;
 889         return 0;
 890 }
 891
 892 static void
 893 i40evf_stat_update_48(uint64_t *offset,
 894                    uint64_t *stat)
 895 {
 896         if (*stat >= *offset)
 897                 *stat = *stat - *offset;
 898         else
 899                 *stat = (uint64_t)((*stat +
 900                         ((uint64_t)1 << I40E_48_BIT_WIDTH)) - *offset);
 901
 902         *stat &= I40E_48_BIT_MASK;
 903 }
 904
 905 static void
 906 i40evf_stat_update_32(uint64_t *offset,
 907                    uint64_t *stat)
 908 {
 909         if (*stat >= *offset)
 910                 *stat = (uint64_t)(*stat - *offset);
 911         else
 912                 *stat = (uint64_t)((*stat +
 913                         ((uint64_t)1 << I40E_32_BIT_WIDTH)) - *offset);
 914 }
 915
 916 static void
 917 i40evf_update_stats(struct i40e_vsi *vsi,
 918                                         struct i40e_eth_stats *nes)
 919 {
 920         struct i40e_eth_stats *oes = &vsi->eth_stats_offset;
 921
 922         i40evf_stat_update_48(&oes->rx_bytes,
 923                             &nes->rx_bytes);
 924         i40evf_stat_update_48(&oes->rx_unicast,
 925                             &nes->rx_unicast);
 926         i40evf_stat_update_48(&oes->rx_multicast,
 927                             &nes->rx_multicast);
 928         i40evf_stat_update_48(&oes->rx_broadcast,
 929                             &nes->rx_broadcast);
 930         i40evf_stat_update_32(&oes->rx_discards,
 931                                 &nes->rx_discards);
 932         i40evf_stat_update_32(&oes->rx_unknown_protocol,
 933                             &nes->rx_unknown_protocol);
 934         i40evf_stat_update_48(&oes->tx_bytes,
 935                             &nes->tx_bytes);
 936         i40evf_stat_update_48(&oes->tx_unicast,
 937                             &nes->tx_unicast);
 938         i40evf_stat_update_48(&oes->tx_multicast,
 939                             &nes->tx_multicast);
 940         i40evf_stat_update_48(&oes->tx_broadcast,
 941                             &nes->tx_broadcast);
 942         i40evf_stat_update_32(&oes->tx_errors, &nes->tx_errors);
 943         i40evf_stat_update_32(&oes->tx_discards, &nes->tx_discards);
 944 }
 945
 946 static void
 947 i40evf_dev_xstats_reset(struct rte_eth_dev *dev)
 948 {
 949         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 950         struct i40e_eth_stats *pstats = NULL;
 951
 952         /* read stat values to clear hardware registers */
 953         i40evf_query_stats(dev, &pstats);
 954
 955         /* set stats offset base on current values */
 956         vf->vsi.eth_stats_offset = *pstats;
 957 }
 958
 959 static int i40evf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
 960                                       struct rte_eth_xstat_name *xstats_names,
 961                                       __rte_unused unsigned limit)
 962 {
 963         unsigned i;
 964
 965         if (xstats_names != NULL)
 966                 for (i = 0; i < I40EVF_NB_XSTATS; i++) {
 967                         snprintf(xstats_names[i].name,
 968                                 sizeof(xstats_names[i].name),
 969                                 "%s", rte_i40evf_stats_strings[i].name);
 970                 }
 971         return I40EVF_NB_XSTATS;
 972 }
 973
 974 static int i40evf_dev_xstats_get(struct rte_eth_dev *dev,
 975                                  struct rte_eth_xstat *xstats, unsigned n)
 976 {
 977         int ret;
 978         unsigned i;
 979         struct i40e_eth_stats *pstats = NULL;
 980         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 981         struct i40e_vsi *vsi = &vf->vsi;
 982
 983         if (n < I40EVF_NB_XSTATS)
 984                 return I40EVF_NB_XSTATS;
 985
 986         ret = i40evf_query_stats(dev, &pstats);
 987         if (ret != 0)
 988                 return 0;
 989
 990         if (!xstats)
 991                 return 0;
 992
 993         i40evf_update_stats(vsi, pstats);
 994
 995         /* loop over xstats array and values from pstats */
 996         for (i = 0; i < I40EVF_NB_XSTATS; i++) {
 997                 xstats[i].id = i;
 998                 xstats[i].value = *(uint64_t *)(((char *)pstats) +
 999                         rte_i40evf_stats_strings[i].offset);
1000         }
1001
1002         return I40EVF_NB_XSTATS;
1003 }
1004
1005 static int
1006 i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1007 {
1008         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1009         struct virtchnl_vlan_filter_list *vlan_list;
1010         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1011                                                         sizeof(uint16_t)];
1012         int err;
1013         struct vf_cmd_info args;
1014
1015         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1016         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1017         vlan_list->num_elements = 1;
1018         vlan_list->vlan_id[0] = vlanid;
1019
1020         args.ops = VIRTCHNL_OP_ADD_VLAN;
1021         args.in_args = (u8 *)&cmd_buffer;
1022         args.in_args_size = sizeof(cmd_buffer);
1023         args.out_buffer = vf->aq_resp;
1024         args.out_size = I40E_AQ_BUF_SZ;
1025         err = i40evf_execute_vf_cmd(dev, &args);
1026         if (err)
1027                 PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN");
1028
1029         return err;
1030 }
1031
1032 static int
1033 i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
1034 {
1035         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1036         struct virtchnl_vlan_filter_list *vlan_list;
1037         uint8_t cmd_buffer[sizeof(struct virtchnl_vlan_filter_list) +
1038                                                         sizeof(uint16_t)];
1039         int err;
1040         struct vf_cmd_info args;
1041
1042         vlan_list = (struct virtchnl_vlan_filter_list *)cmd_buffer;
1043         vlan_list->vsi_id = vf->vsi_res->vsi_id;
1044         vlan_list->num_elements = 1;
1045         vlan_list->vlan_id[0] = vlanid;
1046
1047         args.ops = VIRTCHNL_OP_DEL_VLAN;
1048         args.in_args = (u8 *)&cmd_buffer;
1049         args.in_args_size = sizeof(cmd_buffer);
1050         args.out_buffer = vf->aq_resp;
1051         args.out_size = I40E_AQ_BUF_SZ;
1052         err = i40evf_execute_vf_cmd(dev, &args);
1053         if (err)
1054                 PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN");
1055
1056         return err;
1057 }
1058
1059 static const struct rte_pci_id pci_id_i40evf_map[] = {
1060         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF) },
1061         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_VF_HV) },
1062         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_A0_VF) },
1063         { RTE_PCI_DEVICE(I40E_INTEL_VENDOR_ID, I40E_DEV_ID_X722_VF) },
1064         { .vendor_id = 0, /* sentinel */ },
1065 };
1066
1067 static inline int
1068 i40evf_dev_atomic_write_link_status(struct rte_eth_dev *dev,
1069                                     struct rte_eth_link *link)
1070 {
1071         struct rte_eth_link *dst = &(dev->data->dev_link);
1072         struct rte_eth_link *src = link;
1073
1074         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1075                                         *(uint64_t *)src) == 0)
1076                 return -1;
1077
1078         return 0;
1079 }
1080
1081 /* Disable IRQ0 */
1082 static inline void
1083 i40evf_disable_irq0(struct i40e_hw *hw)
1084 {
1085         /* Disable all interrupt types */
1086         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, 0);
1087         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1088                        I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1089         I40EVF_WRITE_FLUSH(hw);
1090 }
1091
1092 /* Enable IRQ0 */
1093 static inline void
1094 i40evf_enable_irq0(struct i40e_hw *hw)
1095 {
1096         /* Enable admin queue interrupt trigger */
1097         uint32_t val;
1098
1099         i40evf_disable_irq0(hw);
1100         val = I40E_READ_REG(hw, I40E_VFINT_ICR0_ENA1);
1101         val |= I40E_VFINT_ICR0_ENA1_ADMINQ_MASK |
1102                 I40E_VFINT_ICR0_ENA1_LINK_STAT_CHANGE_MASK;
1103         I40E_WRITE_REG(hw, I40E_VFINT_ICR0_ENA1, val);
1104
1105         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1106                 I40E_VFINT_DYN_CTL01_INTENA_MASK |
1107                 I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1108                 I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1109
1110         I40EVF_WRITE_FLUSH(hw);
1111 }
1112
1113 static int
1114 i40evf_reset_vf(struct i40e_hw *hw)
1115 {
1116         int i, reset;
1117
1118         if (i40e_vf_reset(hw) != I40E_SUCCESS) {
1119                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1120                 return -1;
1121         }
1122         /**
1123           * After issuing vf reset command to pf, pf won't necessarily
1124           * reset vf, it depends on what state it exactly is. If it's not
1125           * initialized yet, it won't have vf reset since it's in a certain
1126           * state. If not, it will try to reset. Even vf is reset, pf will
1127           * set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
1128           * it to ACTIVE. In this duration, vf may not catch the moment that
1129           * COMPLETE is set. So, for vf, we'll try to wait a long time.
1130           */
1131         rte_delay_ms(200);
1132
1133         for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
1134                 reset = rd32(hw, I40E_VFGEN_RSTAT) &
1135                         I40E_VFGEN_RSTAT_VFR_STATE_MASK;
1136                 reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
1137                 if (VIRTCHNL_VFR_COMPLETED == reset || VIRTCHNL_VFR_VFACTIVE == reset)
1138                         break;
1139                 else
1140                         rte_delay_ms(50);
1141         }
1142
1143         if (i >= MAX_RESET_WAIT_CNT) {
1144                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1145                 return -1;
1146         }
1147
1148         return 0;
1149 }
1150
1151 static int
1152 i40evf_init_vf(struct rte_eth_dev *dev)
1153 {
1154         int i, err, bufsz;
1155         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1156         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1157         uint16_t interval =
1158                 i40e_calc_itr_interval(I40E_QUEUE_ITR_INTERVAL_MAX);
1159
1160         vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1161         vf->dev_data = dev->data;
1162         err = i40e_set_mac_type(hw);
1163         if (err) {
1164                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1165                 goto err;
1166         }
1167
1168         i40e_init_adminq_parameter(hw);
1169         err = i40e_init_adminq(hw);
1170         if (err) {
1171                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1172                 goto err;
1173         }
1174
1175         /* Reset VF and wait until it's complete */
1176         if (i40evf_reset_vf(hw)) {
1177                 PMD_INIT_LOG(ERR, "reset NIC failed");
1178                 goto err_aq;
1179         }
1180
1181         /* VF reset, shutdown admin queue and initialize again */
1182         if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
1183                 PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
1184                 goto err;
1185         }
1186
1187         i40e_init_adminq_parameter(hw);
1188         if (i40e_init_adminq(hw) != I40E_SUCCESS) {
1189                 PMD_INIT_LOG(ERR, "init_adminq failed");
1190                 goto err;
1191         }
1192         vf->aq_resp = rte_zmalloc("vf_aq_resp", I40E_AQ_BUF_SZ, 0);
1193         if (!vf->aq_resp) {
1194                 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory");
1195                 goto err_aq;
1196         }
1197         if (i40evf_check_api_version(dev) != 0) {
1198                 PMD_INIT_LOG(ERR, "check_api version failed");
1199                 goto err_api;
1200         }
1201         bufsz = sizeof(struct virtchnl_vf_resource) +
1202                 (I40E_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource));
1203         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1204         if (!vf->vf_res) {
1205                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1206                 goto err_api;
1207         }
1208
1209         if (i40evf_get_vf_resource(dev) != 0) {
1210                 PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
1211                 goto err_alloc;
1212         }
1213
1214         /* got VF config message back from PF, now we can parse it */
1215         for (i = 0; i < vf->vf_res->num_vsis; i++) {
1216                 if (vf->vf_res->vsi_res[i].vsi_type == VIRTCHNL_VSI_SRIOV)
1217                         vf->vsi_res = &vf->vf_res->vsi_res[i];
1218         }
1219
1220         if (!vf->vsi_res) {
1221                 PMD_INIT_LOG(ERR, "no LAN VSI found");
1222                 goto err_alloc;
1223         }
1224
1225         if (hw->mac.type == I40E_MAC_X722_VF)
1226                 vf->flags = I40E_FLAG_RSS_AQ_CAPABLE;
1227         vf->vsi.vsi_id = vf->vsi_res->vsi_id;
1228         vf->vsi.type = (enum i40e_vsi_type)vf->vsi_res->vsi_type;
1229         vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
1230         vf->vsi.adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1231
1232         /* Store the MAC address configured by host, or generate random one */
1233         if (is_valid_assigned_ether_addr((struct ether_addr *)hw->mac.addr))
1234                 vf->flags |= I40E_FLAG_VF_MAC_BY_PF;
1235         else
1236                 eth_random_addr(hw->mac.addr); /* Generate a random one */
1237
1238         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1239                        (I40E_ITR_INDEX_DEFAULT <<
1240                         I40E_VFINT_DYN_CTL0_ITR_INDX_SHIFT) |
1241                        (interval <<
1242                         I40E_VFINT_DYN_CTL0_INTERVAL_SHIFT));
1243         I40EVF_WRITE_FLUSH(hw);
1244
1245         return 0;
1246
1247 err_alloc:
1248         rte_free(vf->vf_res);
1249         vf->vsi_res = NULL;
1250 err_api:
1251         rte_free(vf->aq_resp);
1252 err_aq:
1253         i40e_shutdown_adminq(hw); /* ignore error */
1254 err:
1255         return -1;
1256 }
1257
1258 static int
1259 i40evf_uninit_vf(struct rte_eth_dev *dev)
1260 {
1261         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1262         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1263
1264         PMD_INIT_FUNC_TRACE();
1265
1266         if (hw->adapter_stopped == 0)
1267                 i40evf_dev_close(dev);
1268         rte_free(vf->vf_res);
1269         vf->vf_res = NULL;
1270         rte_free(vf->aq_resp);
1271         vf->aq_resp = NULL;
1272
1273         return 0;
1274 }
1275
1276 static void
1277 i40evf_handle_pf_event(struct rte_eth_dev *dev, uint8_t *msg,
1278                 __rte_unused uint16_t msglen)
1279 {
1280         struct virtchnl_pf_event *pf_msg =
1281                         (struct virtchnl_pf_event *)msg;
1282         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1283
1284         switch (pf_msg->event) {
1285         case VIRTCHNL_EVENT_RESET_IMPENDING:
1286                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_RESET_IMPENDING event");
1287                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
1288                                               NULL, NULL);
1289                 break;
1290         case VIRTCHNL_EVENT_LINK_CHANGE:
1291                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_LINK_CHANGE event");
1292                 vf->link_up = pf_msg->event_data.link_event.link_status;
1293                 vf->link_speed = pf_msg->event_data.link_event.link_speed;
1294                 break;
1295         case VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
1296                 PMD_DRV_LOG(DEBUG, "VIRTCHNL_EVENT_PF_DRIVER_CLOSE event");
1297                 break;
1298         default:
1299                 PMD_DRV_LOG(ERR, " unknown event received %u", pf_msg->event);
1300                 break;
1301         }
1302 }
1303
1304 static void
1305 i40evf_handle_aq_msg(struct rte_eth_dev *dev)
1306 {
1307         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1308         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1309         struct i40e_arq_event_info info;
1310         uint16_t pending, aq_opc;
1311         enum virtchnl_ops msg_opc;
1312         enum i40e_status_code msg_ret;
1313         int ret;
1314
1315         info.buf_len = I40E_AQ_BUF_SZ;
1316         if (!vf->aq_resp) {
1317                 PMD_DRV_LOG(ERR, "Buffer for adminq resp should not be NULL");
1318                 return;
1319         }
1320         info.msg_buf = vf->aq_resp;
1321
1322         pending = 1;
1323         while (pending) {
1324                 ret = i40e_clean_arq_element(hw, &info, &pending);
1325
1326                 if (ret != I40E_SUCCESS) {
1327                         PMD_DRV_LOG(INFO, "Failed to read msg from AdminQ,"
1328                                     "ret: %d", ret);
1329                         break;
1330                 }
1331                 aq_opc = rte_le_to_cpu_16(info.desc.opcode);
1332                 /* For the message sent from pf to vf, opcode is stored in
1333                  * cookie_high of struct i40e_aq_desc, while return error code
1334                  * are stored in cookie_low, Which is done by
1335                  * i40e_aq_send_msg_to_vf in PF driver.*/
1336                 msg_opc = (enum virtchnl_ops)rte_le_to_cpu_32(
1337                                                   info.desc.cookie_high);
1338                 msg_ret = (enum i40e_status_code)rte_le_to_cpu_32(
1339                                                   info.desc.cookie_low);
1340                 switch (aq_opc) {
1341                 case i40e_aqc_opc_send_msg_to_vf:
1342                         if (msg_opc == VIRTCHNL_OP_EVENT)
1343                                 /* process event*/
1344                                 i40evf_handle_pf_event(dev, info.msg_buf,
1345                                                        info.msg_len);
1346                         else {
1347                                 /* read message and it's expected one */
1348                                 if (msg_opc == vf->pend_cmd) {
1349                                         vf->cmd_retval = msg_ret;
1350                                         /* prevent compiler reordering */
1351                                         rte_compiler_barrier();
1352                                         _clear_cmd(vf);
1353                                 } else
1354                                         PMD_DRV_LOG(ERR, "command mismatch,"
1355                                                 "expect %u, get %u",
1356                                                 vf->pend_cmd, msg_opc);
1357                                 PMD_DRV_LOG(DEBUG, "adminq response is received,"
1358                                              " opcode = %d", msg_opc);
1359                         }
1360                         break;
1361                 default:
1362                         PMD_DRV_LOG(ERR, "Request %u is not supported yet",
1363                                     aq_opc);
1364                         break;
1365                 }
1366         }
1367 }
1368
1369 /**
1370  * Interrupt handler triggered by NIC  for handling
1371  * specific interrupt. Only adminq interrupt is processed in VF.
1372  *
1373  * @param handle
1374  *  Pointer to interrupt handle.
1375  * @param param
1376  *  The address of parameter (struct rte_eth_dev *) regsitered before.
1377  *
1378  * @return
1379  *  void
1380  */
1381 static void
1382 i40evf_dev_interrupt_handler(void *param)
1383 {
1384         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
1385         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1386         uint32_t icr0;
1387
1388         i40evf_disable_irq0(hw);
1389
1390         /* read out interrupt causes */
1391         icr0 = I40E_READ_REG(hw, I40E_VFINT_ICR01);
1392
1393         /* No interrupt event indicated */
1394         if (!(icr0 & I40E_VFINT_ICR01_INTEVENT_MASK)) {
1395                 PMD_DRV_LOG(DEBUG, "No interrupt event, nothing to do");
1396                 goto done;
1397         }
1398
1399         if (icr0 & I40E_VFINT_ICR01_ADMINQ_MASK) {
1400                 PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported");
1401                 i40evf_handle_aq_msg(dev);
1402         }
1403
1404         /* Link Status Change interrupt */
1405         if (icr0 & I40E_VFINT_ICR01_LINK_STAT_CHANGE_MASK)
1406                 PMD_DRV_LOG(DEBUG, "LINK_STAT_CHANGE is reported,"
1407                                    " do nothing");
1408
1409 done:
1410         i40evf_enable_irq0(hw);
1411         rte_intr_enable(dev->intr_handle);
1412 }
1413
1414 static int
1415 i40evf_dev_init(struct rte_eth_dev *eth_dev)
1416 {
1417         struct i40e_hw *hw
1418                 = I40E_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
1419         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
1420
1421         PMD_INIT_FUNC_TRACE();
1422
1423         /* assign ops func pointer */
1424         eth_dev->dev_ops = &i40evf_eth_dev_ops;
1425         eth_dev->rx_pkt_burst = &i40e_recv_pkts;
1426         eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
1427
1428         /*
1429          * For secondary processes, we don't initialise any further as primary
1430          * has already done this work.
1431          */
1432         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1433                 i40e_set_rx_function(eth_dev);
1434                 i40e_set_tx_function(eth_dev);
1435                 return 0;
1436         }
1437         i40e_set_default_ptype_table(eth_dev);
1438         rte_eth_copy_pci_info(eth_dev, pci_dev);
1439         eth_dev->data->dev_flags |= RTE_ETH_DEV_DETACHABLE;
1440
1441         hw->vendor_id = pci_dev->id.vendor_id;
1442         hw->device_id = pci_dev->id.device_id;
1443         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
1444         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
1445         hw->bus.device = pci_dev->addr.devid;
1446         hw->bus.func = pci_dev->addr.function;
1447         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
1448         hw->adapter_stopped = 0;
1449
1450         if(i40evf_init_vf(eth_dev) != 0) {
1451                 PMD_INIT_LOG(ERR, "Init vf failed");
1452                 return -1;
1453         }
1454
1455         /* register callback func to eal lib */
1456         rte_intr_callback_register(&pci_dev->intr_handle,
1457                 i40evf_dev_interrupt_handler, (void *)eth_dev);
1458
1459         /* enable uio intr after callback register */
1460         rte_intr_enable(&pci_dev->intr_handle);
1461
1462         /* configure and enable device interrupt */
1463         i40evf_enable_irq0(hw);
1464
1465         /* copy mac addr */
1466         eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
1467                                         ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX,
1468                                         0);
1469         if (eth_dev->data->mac_addrs == NULL) {
1470                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to"
1471                                 " store MAC addresses",
1472                                 ETHER_ADDR_LEN * I40E_NUM_MACADDR_MAX);
1473                 return -ENOMEM;
1474         }
1475         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1476                         &eth_dev->data->mac_addrs[0]);
1477
1478         return 0;
1479 }
1480
1481 static int
1482 i40evf_dev_uninit(struct rte_eth_dev *eth_dev)
1483 {
1484         PMD_INIT_FUNC_TRACE();
1485
1486         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1487                 return -EPERM;
1488
1489         eth_dev->dev_ops = NULL;
1490         eth_dev->rx_pkt_burst = NULL;
1491         eth_dev->tx_pkt_burst = NULL;
1492
1493         if (i40evf_uninit_vf(eth_dev) != 0) {
1494                 PMD_INIT_LOG(ERR, "i40evf_uninit_vf failed");
1495                 return -1;
1496         }
1497
1498         rte_free(eth_dev->data->mac_addrs);
1499         eth_dev->data->mac_addrs = NULL;
1500
1501         return 0;
1502 }
1503
1504 static int eth_i40evf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1505         struct rte_pci_device *pci_dev)
1506 {
1507         return rte_eth_dev_pci_generic_probe(pci_dev,
1508                 sizeof(struct i40e_adapter), i40evf_dev_init);
1509 }
1510
1511 static int eth_i40evf_pci_remove(struct rte_pci_device *pci_dev)
1512 {
1513         return rte_eth_dev_pci_generic_remove(pci_dev, i40evf_dev_uninit);
1514 }
1515
1516 /*
1517  * virtual function driver struct
1518  */
1519 static struct rte_pci_driver rte_i40evf_pmd = {
1520         .id_table = pci_id_i40evf_map,
1521         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1522         .probe = eth_i40evf_pci_probe,
1523         .remove = eth_i40evf_pci_remove,
1524 };
1525
1526 RTE_PMD_REGISTER_PCI(net_i40e_vf, rte_i40evf_pmd);
1527 RTE_PMD_REGISTER_PCI_TABLE(net_i40e_vf, pci_id_i40evf_map);
1528 RTE_PMD_REGISTER_KMOD_DEP(net_i40e_vf, "* igb_uio | vfio-pci");
1529
1530 static int
1531 i40evf_dev_configure(struct rte_eth_dev *dev)
1532 {
1533         struct i40e_adapter *ad =
1534                 I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1535         struct rte_eth_conf *conf = &dev->data->dev_conf;
1536         struct i40e_vf *vf;
1537
1538         /* Initialize to TRUE. If any of Rx queues doesn't meet the bulk
1539          * allocation or vector Rx preconditions we will reset it.
1540          */
1541         ad->rx_bulk_alloc_allowed = true;
1542         ad->rx_vec_allowed = true;
1543         ad->tx_simple_allowed = true;
1544         ad->tx_vec_allowed = true;
1545
1546         /* For non-DPDK PF drivers, VF has no ability to disable HW
1547          * CRC strip, and is implicitly enabled by the PF.
1548          */
1549         if (!conf->rxmode.hw_strip_crc) {
1550                 vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1551                 if ((vf->version_major == VIRTCHNL_VERSION_MAJOR) &&
1552                     (vf->version_minor <= VIRTCHNL_VERSION_MINOR)) {
1553                         /* Peer is running non-DPDK PF driver. */
1554                         PMD_INIT_LOG(ERR, "VF can't disable HW CRC Strip");
1555                         return -EINVAL;
1556                 }
1557         }
1558
1559         return i40evf_init_vlan(dev);
1560 }
1561
1562 static int
1563 i40evf_init_vlan(struct rte_eth_dev *dev)
1564 {
1565         /* Apply vlan offload setting */
1566         i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1567
1568         return I40E_SUCCESS;
1569 }
1570
1571 static void
1572 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1573 {
1574         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1575
1576         /* Vlan stripping setting */
1577         if (mask & ETH_VLAN_STRIP_MASK) {
1578                 /* Enable or disable VLAN stripping */
1579                 if (dev_conf->rxmode.hw_vlan_strip)
1580                         i40evf_enable_vlan_strip(dev);
1581                 else
1582                         i40evf_disable_vlan_strip(dev);
1583         }
1584 }
1585
1586 static int
1587 i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1588 {
1589         struct i40e_rx_queue *rxq;
1590         int err = 0;
1591         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1592
1593         PMD_INIT_FUNC_TRACE();
1594
1595         if (rx_queue_id < dev->data->nb_rx_queues) {
1596                 rxq = dev->data->rx_queues[rx_queue_id];
1597
1598                 err = i40e_alloc_rx_queue_mbufs(rxq);
1599                 if (err) {
1600                         PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
1601                         return err;
1602                 }
1603
1604                 rte_wmb();
1605
1606                 /* Init the RX tail register. */
1607                 I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1608                 I40EVF_WRITE_FLUSH(hw);
1609
1610                 /* Ready to switch the queue on */
1611                 err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
1612
1613                 if (err)
1614                         PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
1615                                     rx_queue_id);
1616                 else
1617                         dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1618         }
1619
1620         return err;
1621 }
1622
1623 static int
1624 i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1625 {
1626         struct i40e_rx_queue *rxq;
1627         int err;
1628
1629         if (rx_queue_id < dev->data->nb_rx_queues) {
1630                 rxq = dev->data->rx_queues[rx_queue_id];
1631
1632                 err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
1633
1634                 if (err) {
1635                         PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
1636                                     rx_queue_id);
1637                         return err;
1638                 }
1639
1640                 i40e_rx_queue_release_mbufs(rxq);
1641                 i40e_reset_rx_queue(rxq);
1642                 dev->data->rx_queue_state[rx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1643         }
1644
1645         return 0;
1646 }
1647
1648 static int
1649 i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1650 {
1651         int err = 0;
1652
1653         PMD_INIT_FUNC_TRACE();
1654
1655         if (tx_queue_id < dev->data->nb_tx_queues) {
1656
1657                 /* Ready to switch the queue on */
1658                 err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
1659
1660                 if (err)
1661                         PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
1662                                     tx_queue_id);
1663                 else
1664                         dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STARTED;
1665         }
1666
1667         return err;
1668 }
1669
1670 static int
1671 i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1672 {
1673         struct i40e_tx_queue *txq;
1674         int err;
1675
1676         if (tx_queue_id < dev->data->nb_tx_queues) {
1677                 txq = dev->data->tx_queues[tx_queue_id];
1678
1679                 err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
1680
1681                 if (err) {
1682                         PMD_DRV_LOG(ERR, "Failed to switch TX queue %u off",
1683                                     tx_queue_id);
1684                         return err;
1685                 }
1686
1687                 i40e_tx_queue_release_mbufs(txq);
1688                 i40e_reset_tx_queue(txq);
1689                 dev->data->tx_queue_state[tx_queue_id] = RTE_ETH_QUEUE_STATE_STOPPED;
1690         }
1691
1692         return 0;
1693 }
1694
1695 static int
1696 i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1697 {
1698         int ret;
1699
1700         if (on)
1701                 ret = i40evf_add_vlan(dev, vlan_id);
1702         else
1703                 ret = i40evf_del_vlan(dev,vlan_id);
1704
1705         return ret;
1706 }
1707
1708 static int
1709 i40evf_rxq_init(struct rte_eth_dev *dev, struct i40e_rx_queue *rxq)
1710 {
1711         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1712         struct rte_eth_dev_data *dev_data = dev->data;
1713         struct rte_pktmbuf_pool_private *mbp_priv;
1714         uint16_t buf_size, len;
1715
1716         rxq->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(rxq->queue_id);
1717         I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1718         I40EVF_WRITE_FLUSH(hw);
1719
1720         /* Calculate the maximum packet length allowed */
1721         mbp_priv = rte_mempool_get_priv(rxq->mp);
1722         buf_size = (uint16_t)(mbp_priv->mbuf_data_room_size -
1723                                         RTE_PKTMBUF_HEADROOM);
1724         rxq->hs_mode = i40e_header_split_none;
1725         rxq->rx_hdr_len = 0;
1726         rxq->rx_buf_len = RTE_ALIGN(buf_size, (1 << I40E_RXQ_CTX_DBUFF_SHIFT));
1727         len = rxq->rx_buf_len * I40E_MAX_CHAINED_RX_BUFFERS;
1728         rxq->max_pkt_len = RTE_MIN(len,
1729                 dev_data->dev_conf.rxmode.max_rx_pkt_len);
1730
1731         /**
1732          * Check if the jumbo frame and maximum packet length are set correctly
1733          */
1734         if (dev_data->dev_conf.rxmode.jumbo_frame == 1) {
1735                 if (rxq->max_pkt_len <= ETHER_MAX_LEN ||
1736                     rxq->max_pkt_len > I40E_FRAME_SIZE_MAX) {
1737                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1738                                 "larger than %u and smaller than %u, as jumbo "
1739                                 "frame is enabled", (uint32_t)ETHER_MAX_LEN,
1740                                         (uint32_t)I40E_FRAME_SIZE_MAX);
1741                         return I40E_ERR_CONFIG;
1742                 }
1743         } else {
1744                 if (rxq->max_pkt_len < ETHER_MIN_LEN ||
1745                     rxq->max_pkt_len > ETHER_MAX_LEN) {
1746                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1747                                 "larger than %u and smaller than %u, as jumbo "
1748                                 "frame is disabled", (uint32_t)ETHER_MIN_LEN,
1749                                                 (uint32_t)ETHER_MAX_LEN);
1750                         return I40E_ERR_CONFIG;
1751                 }
1752         }
1753
1754         if (dev_data->dev_conf.rxmode.enable_scatter ||
1755             (rxq->max_pkt_len + 2 * I40E_VLAN_TAG_SIZE) > buf_size) {
1756                 dev_data->scattered_rx = 1;
1757         }
1758
1759         return 0;
1760 }
1761
1762 static int
1763 i40evf_rx_init(struct rte_eth_dev *dev)
1764 {
1765         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1766         uint16_t i;
1767         int ret = I40E_SUCCESS;
1768         struct i40e_rx_queue **rxq =
1769                 (struct i40e_rx_queue **)dev->data->rx_queues;
1770
1771         i40evf_config_rss(vf);
1772         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1773                 if (!rxq[i] || !rxq[i]->q_set)
1774                         continue;
1775                 ret = i40evf_rxq_init(dev, rxq[i]);
1776                 if (ret != I40E_SUCCESS)
1777                         break;
1778         }
1779         if (ret == I40E_SUCCESS)
1780                 i40e_set_rx_function(dev);
1781
1782         return ret;
1783 }
1784
1785 static void
1786 i40evf_tx_init(struct rte_eth_dev *dev)
1787 {
1788         uint16_t i;
1789         struct i40e_tx_queue **txq =
1790                 (struct i40e_tx_queue **)dev->data->tx_queues;
1791         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1792
1793         for (i = 0; i < dev->data->nb_tx_queues; i++)
1794                 txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
1795
1796         i40e_set_tx_function(dev);
1797 }
1798
1799 static inline void
1800 i40evf_enable_queues_intr(struct rte_eth_dev *dev)
1801 {
1802         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1803         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1804         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1805
1806         if (!rte_intr_allow_others(intr_handle)) {
1807                 I40E_WRITE_REG(hw,
1808                                I40E_VFINT_DYN_CTL01,
1809                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1810                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1811                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1812                 I40EVF_WRITE_FLUSH(hw);
1813                 return;
1814         }
1815
1816         I40EVF_WRITE_FLUSH(hw);
1817 }
1818
1819 static inline void
1820 i40evf_disable_queues_intr(struct rte_eth_dev *dev)
1821 {
1822         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1823         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1824         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1825
1826         if (!rte_intr_allow_others(intr_handle)) {
1827                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1828                                I40E_VFINT_DYN_CTL01_ITR_INDX_MASK);
1829                 I40EVF_WRITE_FLUSH(hw);
1830                 return;
1831         }
1832
1833         I40EVF_WRITE_FLUSH(hw);
1834 }
1835
1836 static int
1837 i40evf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
1838 {
1839         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1840         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1841         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1842         uint16_t interval =
1843                 i40e_calc_itr_interval(RTE_LIBRTE_I40E_ITR_INTERVAL);
1844         uint16_t msix_intr;
1845
1846         msix_intr = intr_handle->intr_vec[queue_id];
1847         if (msix_intr == I40E_MISC_VEC_ID)
1848                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01,
1849                                I40E_VFINT_DYN_CTL01_INTENA_MASK |
1850                                I40E_VFINT_DYN_CTL01_CLEARPBA_MASK |
1851                                (0 << I40E_VFINT_DYN_CTL01_ITR_INDX_SHIFT) |
1852                                (interval <<
1853                                 I40E_VFINT_DYN_CTL01_INTERVAL_SHIFT));
1854         else
1855                 I40E_WRITE_REG(hw,
1856                                I40E_VFINT_DYN_CTLN1(msix_intr -
1857                                                     I40E_RX_VEC_START),
1858                                I40E_VFINT_DYN_CTLN1_INTENA_MASK |
1859                                I40E_VFINT_DYN_CTLN1_CLEARPBA_MASK |
1860                                (0 << I40E_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) |
1861                                (interval <<
1862                                 I40E_VFINT_DYN_CTLN1_INTERVAL_SHIFT));
1863
1864         I40EVF_WRITE_FLUSH(hw);
1865
1866         rte_intr_enable(&pci_dev->intr_handle);
1867
1868         return 0;
1869 }
1870
1871 static int
1872 i40evf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
1873 {
1874         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1875         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1876         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1877         uint16_t msix_intr;
1878
1879         msix_intr = intr_handle->intr_vec[queue_id];
1880         if (msix_intr == I40E_MISC_VEC_ID)
1881                 I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTL01, 0);
1882         else
1883                 I40E_WRITE_REG(hw,
1884                                I40E_VFINT_DYN_CTLN1(msix_intr -
1885                                                     I40E_RX_VEC_START),
1886                                0);
1887
1888         I40EVF_WRITE_FLUSH(hw);
1889
1890         return 0;
1891 }
1892
1893 static void
1894 i40evf_add_del_all_mac_addr(struct rte_eth_dev *dev, bool add)
1895 {
1896         struct virtchnl_ether_addr_list *list;
1897         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1898         int err, i, j;
1899         int next_begin = 0;
1900         int begin = 0;
1901         uint32_t len;
1902         struct ether_addr *addr;
1903         struct vf_cmd_info args;
1904
1905         do {
1906                 j = 0;
1907                 len = sizeof(struct virtchnl_ether_addr_list);
1908                 for (i = begin; i < I40E_NUM_MACADDR_MAX; i++, next_begin++) {
1909                         if (is_zero_ether_addr(&dev->data->mac_addrs[i]))
1910                                 continue;
1911                         len += sizeof(struct virtchnl_ether_addr);
1912                         if (len >= I40E_AQ_BUF_SZ) {
1913                                 next_begin = i + 1;
1914                                 break;
1915                         }
1916                 }
1917
1918                 list = rte_zmalloc("i40evf_del_mac_buffer", len, 0);
1919                 if (!list) {
1920                         PMD_DRV_LOG(ERR, "fail to allocate memory");
1921                         return;
1922                 }
1923
1924                 for (i = begin; i < next_begin; i++) {
1925                         addr = &dev->data->mac_addrs[i];
1926                         if (is_zero_ether_addr(addr))
1927                                 continue;
1928                         rte_memcpy(list->list[j].addr, addr->addr_bytes,
1929                                          sizeof(addr->addr_bytes));
1930                         PMD_DRV_LOG(DEBUG, "add/rm mac:%x:%x:%x:%x:%x:%x",
1931                                     addr->addr_bytes[0], addr->addr_bytes[1],
1932                                     addr->addr_bytes[2], addr->addr_bytes[3],
1933                                     addr->addr_bytes[4], addr->addr_bytes[5]);
1934                         j++;
1935                 }
1936                 list->vsi_id = vf->vsi_res->vsi_id;
1937                 list->num_elements = j;
1938                 args.ops = add ? VIRTCHNL_OP_ADD_ETH_ADDR :
1939                            VIRTCHNL_OP_DEL_ETH_ADDR;
1940                 args.in_args = (uint8_t *)list;
1941                 args.in_args_size = len;
1942                 args.out_buffer = vf->aq_resp;
1943                 args.out_size = I40E_AQ_BUF_SZ;
1944                 err = i40evf_execute_vf_cmd(dev, &args);
1945                 if (err) {
1946                         PMD_DRV_LOG(ERR, "fail to execute command %s",
1947                                     add ? "OP_ADD_ETHER_ADDRESS" :
1948                                     "OP_DEL_ETHER_ADDRESS");
1949                 } else {
1950                         if (add)
1951                                 vf->vsi.mac_num++;
1952                         else
1953                                 vf->vsi.mac_num--;
1954                 }
1955                 rte_free(list);
1956                 begin = next_begin;
1957         } while (begin < I40E_NUM_MACADDR_MAX);
1958 }
1959
1960 static int
1961 i40evf_dev_start(struct rte_eth_dev *dev)
1962 {
1963         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1964         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1965         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1966         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1967         uint32_t intr_vector = 0;
1968
1969         PMD_INIT_FUNC_TRACE();
1970
1971         hw->adapter_stopped = 0;
1972
1973         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
1974         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
1975                                         dev->data->nb_tx_queues);
1976
1977         /* check and configure queue intr-vector mapping */
1978         if (dev->data->dev_conf.intr_conf.rxq != 0) {
1979                 intr_vector = dev->data->nb_rx_queues;
1980                 if (rte_intr_efd_enable(intr_handle, intr_vector))
1981                         return -1;
1982         }
1983
1984         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1985                 intr_handle->intr_vec =
1986                         rte_zmalloc("intr_vec",
1987                                     dev->data->nb_rx_queues * sizeof(int), 0);
1988                 if (!intr_handle->intr_vec) {
1989                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1990                                      " intr_vec", dev->data->nb_rx_queues);
1991                         return -ENOMEM;
1992                 }
1993         }
1994
1995         if (i40evf_rx_init(dev) != 0){
1996                 PMD_DRV_LOG(ERR, "failed to do RX init");
1997                 return -1;
1998         }
1999
2000         i40evf_tx_init(dev);
2001
2002         if (i40evf_configure_vsi_queues(dev) != 0) {
2003                 PMD_DRV_LOG(ERR, "configure queues failed");
2004                 goto err_queue;
2005         }
2006         if (i40evf_config_irq_map(dev)) {
2007                 PMD_DRV_LOG(ERR, "config_irq_map failed");
2008                 goto err_queue;
2009         }
2010
2011         /* Set all mac addrs */
2012         i40evf_add_del_all_mac_addr(dev, TRUE);
2013
2014         if (i40evf_start_queues(dev) != 0) {
2015                 PMD_DRV_LOG(ERR, "enable queues failed");
2016                 goto err_mac;
2017         }
2018
2019         i40evf_enable_queues_intr(dev);
2020         return 0;
2021
2022 err_mac:
2023         i40evf_add_del_all_mac_addr(dev, FALSE);
2024 err_queue:
2025         return -1;
2026 }
2027
2028 static void
2029 i40evf_dev_stop(struct rte_eth_dev *dev)
2030 {
2031         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2032         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2033         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2034
2035         PMD_INIT_FUNC_TRACE();
2036
2037         if (hw->adapter_stopped == 1)
2038                 return;
2039         i40evf_stop_queues(dev);
2040         i40evf_disable_queues_intr(dev);
2041         i40e_dev_clear_queues(dev);
2042
2043         /* Clean datapath event and queue/vec mapping */
2044         rte_intr_efd_disable(intr_handle);
2045         if (intr_handle->intr_vec) {
2046                 rte_free(intr_handle->intr_vec);
2047                 intr_handle->intr_vec = NULL;
2048         }
2049         /* remove all mac addrs */
2050         i40evf_add_del_all_mac_addr(dev, FALSE);
2051         hw->adapter_stopped = 1;
2052
2053 }
2054
2055 static int
2056 i40evf_dev_link_update(struct rte_eth_dev *dev,
2057                        __rte_unused int wait_to_complete)
2058 {
2059         struct rte_eth_link new_link;
2060         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2061         /*
2062          * DPDK pf host provide interfacet to acquire link status
2063          * while Linux driver does not
2064          */
2065
2066         /* Linux driver PF host */
2067         switch (vf->link_speed) {
2068         case I40E_LINK_SPEED_100MB:
2069                 new_link.link_speed = ETH_SPEED_NUM_100M;
2070                 break;
2071         case I40E_LINK_SPEED_1GB:
2072                 new_link.link_speed = ETH_SPEED_NUM_1G;
2073                 break;
2074         case I40E_LINK_SPEED_10GB:
2075                 new_link.link_speed = ETH_SPEED_NUM_10G;
2076                 break;
2077         case I40E_LINK_SPEED_20GB:
2078                 new_link.link_speed = ETH_SPEED_NUM_20G;
2079                 break;
2080         case I40E_LINK_SPEED_25GB:
2081                 new_link.link_speed = ETH_SPEED_NUM_25G;
2082                 break;
2083         case I40E_LINK_SPEED_40GB:
2084                 new_link.link_speed = ETH_SPEED_NUM_40G;
2085                 break;
2086         default:
2087                 new_link.link_speed = ETH_SPEED_NUM_100M;
2088                 break;
2089         }
2090         /* full duplex only */
2091         new_link.link_duplex = ETH_LINK_FULL_DUPLEX;
2092         new_link.link_status = vf->link_up ? ETH_LINK_UP :
2093                                              ETH_LINK_DOWN;
2094
2095         i40evf_dev_atomic_write_link_status(dev, &new_link);
2096
2097         return 0;
2098 }
2099
2100 static void
2101 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
2102 {
2103         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2104         int ret;
2105
2106         /* If enabled, just return */
2107         if (vf->promisc_unicast_enabled)
2108                 return;
2109
2110         ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
2111         if (ret == 0)
2112                 vf->promisc_unicast_enabled = TRUE;
2113 }
2114
2115 static void
2116 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
2117 {
2118         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2119         int ret;
2120
2121         /* If disabled, just return */
2122         if (!vf->promisc_unicast_enabled)
2123                 return;
2124
2125         ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
2126         if (ret == 0)
2127                 vf->promisc_unicast_enabled = FALSE;
2128 }
2129
2130 static void
2131 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
2132 {
2133         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2134         int ret;
2135
2136         /* If enabled, just return */
2137         if (vf->promisc_multicast_enabled)
2138                 return;
2139
2140         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
2141         if (ret == 0)
2142                 vf->promisc_multicast_enabled = TRUE;
2143 }
2144
2145 static void
2146 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
2147 {
2148         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2149         int ret;
2150
2151         /* If enabled, just return */
2152         if (!vf->promisc_multicast_enabled)
2153                 return;
2154
2155         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
2156         if (ret == 0)
2157                 vf->promisc_multicast_enabled = FALSE;
2158 }
2159
2160 static void
2161 i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2162 {
2163         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2164
2165         memset(dev_info, 0, sizeof(*dev_info));
2166         dev_info->pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2167         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
2168         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
2169         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
2170         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
2171         dev_info->hash_key_size = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2172         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
2173         dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
2174         dev_info->max_mac_addrs = I40E_NUM_MACADDR_MAX;
2175         dev_info->rx_offload_capa =
2176                 DEV_RX_OFFLOAD_VLAN_STRIP |
2177                 DEV_RX_OFFLOAD_QINQ_STRIP |
2178                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2179                 DEV_RX_OFFLOAD_UDP_CKSUM |
2180                 DEV_RX_OFFLOAD_TCP_CKSUM;
2181         dev_info->tx_offload_capa =
2182                 DEV_TX_OFFLOAD_VLAN_INSERT |
2183                 DEV_TX_OFFLOAD_QINQ_INSERT |
2184                 DEV_TX_OFFLOAD_IPV4_CKSUM |
2185                 DEV_TX_OFFLOAD_UDP_CKSUM |
2186                 DEV_TX_OFFLOAD_TCP_CKSUM |
2187                 DEV_TX_OFFLOAD_SCTP_CKSUM;
2188
2189         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2190                 .rx_thresh = {
2191                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
2192                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
2193                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
2194                 },
2195                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
2196                 .rx_drop_en = 0,
2197         };
2198
2199         dev_info->default_txconf = (struct rte_eth_txconf) {
2200                 .tx_thresh = {
2201                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
2202                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
2203                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
2204                 },
2205                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
2206                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
2207                 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
2208                                 ETH_TXQ_FLAGS_NOOFFLOADS,
2209         };
2210
2211         dev_info->rx_desc_lim = (struct rte_eth_desc_lim) {
2212                 .nb_max = I40E_MAX_RING_DESC,
2213                 .nb_min = I40E_MIN_RING_DESC,
2214                 .nb_align = I40E_ALIGN_RING_DESC,
2215         };
2216
2217         dev_info->tx_desc_lim = (struct rte_eth_desc_lim) {
2218                 .nb_max = I40E_MAX_RING_DESC,
2219                 .nb_min = I40E_MIN_RING_DESC,
2220                 .nb_align = I40E_ALIGN_RING_DESC,
2221         };
2222 }
2223
2224 static void
2225 i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2226 {
2227         int ret;
2228         struct i40e_eth_stats *pstats = NULL;
2229         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2230         struct i40e_vsi *vsi = &vf->vsi;
2231
2232         ret = i40evf_query_stats(dev, &pstats);
2233         if (ret == 0) {
2234                 i40evf_update_stats(vsi, pstats);
2235
2236                 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
2237                                                 pstats->rx_broadcast;
2238                 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
2239                                                 pstats->tx_unicast;
2240                 stats->imissed = pstats->rx_discards;
2241                 stats->oerrors = pstats->tx_errors + pstats->tx_discards;
2242                 stats->ibytes = pstats->rx_bytes;
2243                 stats->obytes = pstats->tx_bytes;
2244         } else {
2245                 PMD_DRV_LOG(ERR, "Get statistics failed");
2246         }
2247 }
2248
2249 static void
2250 i40evf_dev_close(struct rte_eth_dev *dev)
2251 {
2252         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2253         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2254         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2255
2256         i40evf_dev_stop(dev);
2257         i40e_dev_free_queues(dev);
2258         i40evf_reset_vf(hw);
2259         i40e_shutdown_adminq(hw);
2260         /* disable uio intr before callback unregister */
2261         rte_intr_disable(intr_handle);
2262
2263         /* unregister callback func from eal lib */
2264         rte_intr_callback_unregister(intr_handle,
2265                                      i40evf_dev_interrupt_handler, dev);
2266         i40evf_disable_irq0(hw);
2267 }
2268
2269 /*
2270  * Reset VF device only to re-initialize resources in PMD layer
2271  */
2272 static int
2273 i40evf_dev_reset(struct rte_eth_dev *dev)
2274 {
2275         int ret;
2276
2277         ret = i40evf_dev_uninit(dev);
2278         if (ret)
2279                 return ret;
2280
2281         ret = i40evf_dev_init(dev);
2282
2283         return ret;
2284 }
2285
2286 static int
2287 i40evf_get_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2288 {
2289         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2290         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2291         int ret;
2292
2293         if (!lut)
2294                 return -EINVAL;
2295
2296         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2297                 ret = i40e_aq_get_rss_lut(hw, vsi->vsi_id, FALSE,
2298                                           lut, lut_size);
2299                 if (ret) {
2300                         PMD_DRV_LOG(ERR, "Failed to get RSS lookup table");
2301                         return ret;
2302                 }
2303         } else {
2304                 uint32_t *lut_dw = (uint32_t *)lut;
2305                 uint16_t i, lut_size_dw = lut_size / 4;
2306
2307                 for (i = 0; i < lut_size_dw; i++)
2308                         lut_dw[i] = I40E_READ_REG(hw, I40E_VFQF_HLUT(i));
2309         }
2310
2311         return 0;
2312 }
2313
2314 static int
2315 i40evf_set_rss_lut(struct i40e_vsi *vsi, uint8_t *lut, uint16_t lut_size)
2316 {
2317         struct i40e_vf *vf;
2318         struct i40e_hw *hw;
2319         int ret;
2320
2321         if (!vsi || !lut)
2322                 return -EINVAL;
2323
2324         vf = I40E_VSI_TO_VF(vsi);
2325         hw = I40E_VSI_TO_HW(vsi);
2326
2327         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2328                 ret = i40e_aq_set_rss_lut(hw, vsi->vsi_id, FALSE,
2329                                           lut, lut_size);
2330                 if (ret) {
2331                         PMD_DRV_LOG(ERR, "Failed to set RSS lookup table");
2332                         return ret;
2333                 }
2334         } else {
2335                 uint32_t *lut_dw = (uint32_t *)lut;
2336                 uint16_t i, lut_size_dw = lut_size / 4;
2337
2338                 for (i = 0; i < lut_size_dw; i++)
2339                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i), lut_dw[i]);
2340                 I40EVF_WRITE_FLUSH(hw);
2341         }
2342
2343         return 0;
2344 }
2345
2346 static int
2347 i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
2348                            struct rte_eth_rss_reta_entry64 *reta_conf,
2349                            uint16_t reta_size)
2350 {
2351         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2352         uint8_t *lut;
2353         uint16_t i, idx, shift;
2354         int ret;
2355
2356         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2357                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2358                         "(%d) doesn't match the number of hardware can "
2359                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2360                 return -EINVAL;
2361         }
2362
2363         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2364         if (!lut) {
2365                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2366                 return -ENOMEM;
2367         }
2368         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2369         if (ret)
2370                 goto out;
2371         for (i = 0; i < reta_size; i++) {
2372                 idx = i / RTE_RETA_GROUP_SIZE;
2373                 shift = i % RTE_RETA_GROUP_SIZE;
2374                 if (reta_conf[idx].mask & (1ULL << shift))
2375                         lut[i] = reta_conf[idx].reta[shift];
2376         }
2377         ret = i40evf_set_rss_lut(&vf->vsi, lut, reta_size);
2378
2379 out:
2380         rte_free(lut);
2381
2382         return ret;
2383 }
2384
2385 static int
2386 i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
2387                           struct rte_eth_rss_reta_entry64 *reta_conf,
2388                           uint16_t reta_size)
2389 {
2390         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2391         uint16_t i, idx, shift;
2392         uint8_t *lut;
2393         int ret;
2394
2395         if (reta_size != ETH_RSS_RETA_SIZE_64) {
2396                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
2397                         "(%d) doesn't match the number of hardware can "
2398                         "support (%d)", reta_size, ETH_RSS_RETA_SIZE_64);
2399                 return -EINVAL;
2400         }
2401
2402         lut = rte_zmalloc("i40e_rss_lut", reta_size, 0);
2403         if (!lut) {
2404                 PMD_DRV_LOG(ERR, "No memory can be allocated");
2405                 return -ENOMEM;
2406         }
2407
2408         ret = i40evf_get_rss_lut(&vf->vsi, lut, reta_size);
2409         if (ret)
2410                 goto out;
2411         for (i = 0; i < reta_size; i++) {
2412                 idx = i / RTE_RETA_GROUP_SIZE;
2413                 shift = i % RTE_RETA_GROUP_SIZE;
2414                 if (reta_conf[idx].mask & (1ULL << shift))
2415                         reta_conf[idx].reta[shift] = lut[i];
2416         }
2417
2418 out:
2419         rte_free(lut);
2420
2421         return ret;
2422 }
2423
2424 static int
2425 i40evf_set_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t key_len)
2426 {
2427         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2428         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2429         int ret = 0;
2430
2431         if (!key || key_len == 0) {
2432                 PMD_DRV_LOG(DEBUG, "No key to be configured");
2433                 return 0;
2434         } else if (key_len != (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2435                 sizeof(uint32_t)) {
2436                 PMD_DRV_LOG(ERR, "Invalid key length %u", key_len);
2437                 return -EINVAL;
2438         }
2439
2440         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2441                 struct i40e_aqc_get_set_rss_key_data *key_dw =
2442                         (struct i40e_aqc_get_set_rss_key_data *)key;
2443
2444                 ret = i40e_aq_set_rss_key(hw, vsi->vsi_id, key_dw);
2445                 if (ret)
2446                         PMD_INIT_LOG(ERR, "Failed to configure RSS key "
2447                                      "via AQ");
2448         } else {
2449                 uint32_t *hash_key = (uint32_t *)key;
2450                 uint16_t i;
2451
2452                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2453                         i40e_write_rx_ctl(hw, I40E_VFQF_HKEY(i), hash_key[i]);
2454                 I40EVF_WRITE_FLUSH(hw);
2455         }
2456
2457         return ret;
2458 }
2459
2460 static int
2461 i40evf_get_rss_key(struct i40e_vsi *vsi, uint8_t *key, uint8_t *key_len)
2462 {
2463         struct i40e_vf *vf = I40E_VSI_TO_VF(vsi);
2464         struct i40e_hw *hw = I40E_VSI_TO_HW(vsi);
2465         int ret;
2466
2467         if (!key || !key_len)
2468                 return -EINVAL;
2469
2470         if (vf->flags & I40E_FLAG_RSS_AQ_CAPABLE) {
2471                 ret = i40e_aq_get_rss_key(hw, vsi->vsi_id,
2472                         (struct i40e_aqc_get_set_rss_key_data *)key);
2473                 if (ret) {
2474                         PMD_INIT_LOG(ERR, "Failed to get RSS key via AQ");
2475                         return ret;
2476                 }
2477         } else {
2478                 uint32_t *key_dw = (uint32_t *)key;
2479                 uint16_t i;
2480
2481                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2482                         key_dw[i] = i40e_read_rx_ctl(hw, I40E_VFQF_HKEY(i));
2483         }
2484         *key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t);
2485
2486         return 0;
2487 }
2488
2489 static int
2490 i40evf_hw_rss_hash_set(struct i40e_vf *vf, struct rte_eth_rss_conf *rss_conf)
2491 {
2492         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2493         uint64_t rss_hf, hena;
2494         int ret;
2495
2496         ret = i40evf_set_rss_key(&vf->vsi, rss_conf->rss_key,
2497                                  rss_conf->rss_key_len);
2498         if (ret)
2499                 return ret;
2500
2501         rss_hf = rss_conf->rss_hf;
2502         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2503         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2504         if (hw->mac.type == I40E_MAC_X722)
2505                 hena &= ~I40E_RSS_HENA_ALL_X722;
2506         else
2507                 hena &= ~I40E_RSS_HENA_ALL;
2508         hena |= i40e_config_hena(rss_hf, hw->mac.type);
2509         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
2510         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
2511         I40EVF_WRITE_FLUSH(hw);
2512
2513         return 0;
2514 }
2515
2516 static void
2517 i40evf_disable_rss(struct i40e_vf *vf)
2518 {
2519         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2520         uint64_t hena;
2521
2522         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2523         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2524         if (hw->mac.type == I40E_MAC_X722)
2525                 hena &= ~I40E_RSS_HENA_ALL_X722;
2526         else
2527                 hena &= ~I40E_RSS_HENA_ALL;
2528         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
2529         i40e_write_rx_ctl(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
2530         I40EVF_WRITE_FLUSH(hw);
2531 }
2532
2533 static int
2534 i40evf_config_rss(struct i40e_vf *vf)
2535 {
2536         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
2537         struct rte_eth_rss_conf rss_conf;
2538         uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
2539         uint16_t num;
2540
2541         if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
2542                 i40evf_disable_rss(vf);
2543                 PMD_DRV_LOG(DEBUG, "RSS not configured");
2544                 return 0;
2545         }
2546
2547         num = RTE_MIN(vf->dev_data->nb_rx_queues, I40E_MAX_QP_NUM_PER_VF);
2548         /* Fill out the look up table */
2549         for (i = 0, j = 0; i < nb_q; i++, j++) {
2550                 if (j >= num)
2551                         j = 0;
2552                 lut = (lut << 8) | j;
2553                 if ((i & 3) == 3)
2554                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
2555         }
2556
2557         rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
2558         if ((rss_conf.rss_hf & I40E_RSS_OFFLOAD_ALL) == 0) {
2559                 i40evf_disable_rss(vf);
2560                 PMD_DRV_LOG(DEBUG, "No hash flag is set");
2561                 return 0;
2562         }
2563
2564         if (rss_conf.rss_key == NULL || rss_conf.rss_key_len <
2565                 (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
2566                 /* Calculate the default hash key */
2567                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
2568                         rss_key_default[i] = (uint32_t)rte_rand();
2569                 rss_conf.rss_key = (uint8_t *)rss_key_default;
2570                 rss_conf.rss_key_len = (I40E_VFQF_HKEY_MAX_INDEX + 1) *
2571                         sizeof(uint32_t);
2572         }
2573
2574         return i40evf_hw_rss_hash_set(vf, &rss_conf);
2575 }
2576
2577 static int
2578 i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
2579                            struct rte_eth_rss_conf *rss_conf)
2580 {
2581         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2582         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2583         uint64_t rss_hf = rss_conf->rss_hf & I40E_RSS_OFFLOAD_ALL;
2584         uint64_t hena;
2585
2586         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2587         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2588         if (!(hena & ((hw->mac.type == I40E_MAC_X722)
2589                  ? I40E_RSS_HENA_ALL_X722
2590                  : I40E_RSS_HENA_ALL))) { /* RSS disabled */
2591                 if (rss_hf != 0) /* Enable RSS */
2592                         return -EINVAL;
2593                 return 0;
2594         }
2595
2596         /* RSS enabled */
2597         if (rss_hf == 0) /* Disable RSS */
2598                 return -EINVAL;
2599
2600         return i40evf_hw_rss_hash_set(vf, rss_conf);
2601 }
2602
2603 static int
2604 i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
2605                              struct rte_eth_rss_conf *rss_conf)
2606 {
2607         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2608         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2609         uint64_t hena;
2610
2611         i40evf_get_rss_key(&vf->vsi, rss_conf->rss_key,
2612                            &rss_conf->rss_key_len);
2613
2614         hena = (uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(0));
2615         hena |= ((uint64_t)i40e_read_rx_ctl(hw, I40E_VFQF_HENA(1))) << 32;
2616         rss_conf->rss_hf = i40e_parse_hena(hena);
2617
2618         return 0;
2619 }
2620
2621 static int
2622 i40evf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
2623 {
2624         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2625         struct rte_eth_dev_data *dev_data = vf->dev_data;
2626         uint32_t frame_size = mtu + I40E_ETH_OVERHEAD;
2627         int ret = 0;
2628
2629         /* check if mtu is within the allowed range */
2630         if ((mtu < ETHER_MIN_MTU) || (frame_size > I40E_FRAME_SIZE_MAX))
2631                 return -EINVAL;
2632
2633         /* mtu setting is forbidden if port is start */
2634         if (dev_data->dev_started) {
2635                 PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
2636                             dev_data->port_id);
2637                 return -EBUSY;
2638         }
2639
2640         if (frame_size > ETHER_MAX_LEN)
2641                 dev_data->dev_conf.rxmode.jumbo_frame = 1;
2642         else
2643                 dev_data->dev_conf.rxmode.jumbo_frame = 0;
2644
2645         dev_data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
2646
2647         return ret;
2648 }
2649
2650 static void
2651 i40evf_set_default_mac_addr(struct rte_eth_dev *dev,
2652                             struct ether_addr *mac_addr)
2653 {
2654         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
2655
2656         if (!is_valid_assigned_ether_addr(mac_addr)) {
2657                 PMD_DRV_LOG(ERR, "Tried to set invalid MAC address.");
2658                 return;
2659         }
2660
2661         if (is_same_ether_addr(mac_addr, dev->data->mac_addrs))
2662                 return;
2663
2664         if (vf->flags & I40E_FLAG_VF_MAC_BY_PF)
2665                 return;
2666
2667         i40evf_del_mac_addr_by_addr(dev, dev->data->mac_addrs);
2668
2669         i40evf_add_mac_addr(dev, mac_addr, 0, 0);
2670 }