lib/librte_pmd_i40e/i40e_ethdev_vf.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 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_atomic.h>
  59 #include <rte_malloc.h>
  60 #include <rte_dev.h>
  61
  62 #include "i40e_logs.h"
  63 #include "i40e/i40e_prototype.h"
  64 #include "i40e/i40e_adminq_cmd.h"
  65 #include "i40e/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
  72 /* busy wait delay in msec */
  73 #define I40EVF_BUSY_WAIT_DELAY 10
  74 #define I40EVF_BUSY_WAIT_COUNT 50
  75 #define MAX_RESET_WAIT_CNT     20
  76
  77 struct i40evf_arq_msg_info {
  78         enum i40e_virtchnl_ops ops;
  79         enum i40e_status_code result;
  80         uint16_t buf_len;
  81         uint16_t msg_len;
  82         uint8_t *msg;
  83 };
  84
  85 struct vf_cmd_info {
  86         enum i40e_virtchnl_ops ops;
  87         uint8_t *in_args;
  88         uint32_t in_args_size;
  89         uint8_t *out_buffer;
  90         /* Input & output type. pass in buffer size and pass out
  91          * actual return result
  92          */
  93         uint32_t out_size;
  94 };
  95
  96 enum i40evf_aq_result {
  97         I40EVF_MSG_ERR = -1, /* Meet error when accessing admin queue */
  98         I40EVF_MSG_NON,      /* Read nothing from admin queue */
  99         I40EVF_MSG_SYS,      /* Read system msg from admin queue */
 100         I40EVF_MSG_CMD,      /* Read async command result */
 101 };
 102
 103 /* A share buffer to store the command result from PF driver */
 104 static uint8_t cmd_result_buffer[I40E_AQ_BUF_SZ];
 105
 106 static int i40evf_dev_configure(struct rte_eth_dev *dev);
 107 static int i40evf_dev_start(struct rte_eth_dev *dev);
 108 static void i40evf_dev_stop(struct rte_eth_dev *dev);
 109 static void i40evf_dev_info_get(struct rte_eth_dev *dev,
 110                                 struct rte_eth_dev_info *dev_info);
 111 static int i40evf_dev_link_update(struct rte_eth_dev *dev,
 112                                   __rte_unused int wait_to_complete);
 113 static void i40evf_dev_stats_get(struct rte_eth_dev *dev,
 114                                 struct rte_eth_stats *stats);
 115 static int i40evf_vlan_filter_set(struct rte_eth_dev *dev,
 116                                   uint16_t vlan_id, int on);
 117 static void i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 118 static int i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid,
 119                                 int on);
 120 static void i40evf_dev_close(struct rte_eth_dev *dev);
 121 static void i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev);
 122 static void i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev);
 123 static void i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev);
 124 static void i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev);
 125 static int i40evf_get_link_status(struct rte_eth_dev *dev,
 126                                   struct rte_eth_link *link);
 127 static int i40evf_init_vlan(struct rte_eth_dev *dev);
 128 static int i40evf_dev_rx_queue_start(struct rte_eth_dev *dev,
 129                                      uint16_t rx_queue_id);
 130 static int i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev,
 131                                     uint16_t rx_queue_id);
 132 static int i40evf_dev_tx_queue_start(struct rte_eth_dev *dev,
 133                                      uint16_t tx_queue_id);
 134 static int i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev,
 135                                     uint16_t tx_queue_id);
 136 static int i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
 137                         struct rte_eth_rss_reta_entry64 *reta_conf,
 138                         uint16_t reta_size);
 139 static int i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
 140                         struct rte_eth_rss_reta_entry64 *reta_conf,
 141                         uint16_t reta_size);
 142 static int i40evf_config_rss(struct i40e_vf *vf);
 143 static int i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
 144                                       struct rte_eth_rss_conf *rss_conf);
 145 static int i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
 146                                         struct rte_eth_rss_conf *rss_conf);
 147
 148 /* Default hash key buffer for RSS */
 149 static uint32_t rss_key_default[I40E_VFQF_HKEY_MAX_INDEX + 1];
 150
 151 static const struct eth_dev_ops i40evf_eth_dev_ops = {
 152         .dev_configure        = i40evf_dev_configure,
 153         .dev_start            = i40evf_dev_start,
 154         .dev_stop             = i40evf_dev_stop,
 155         .promiscuous_enable   = i40evf_dev_promiscuous_enable,
 156         .promiscuous_disable  = i40evf_dev_promiscuous_disable,
 157         .allmulticast_enable  = i40evf_dev_allmulticast_enable,
 158         .allmulticast_disable = i40evf_dev_allmulticast_disable,
 159         .link_update          = i40evf_dev_link_update,
 160         .stats_get            = i40evf_dev_stats_get,
 161         .dev_close            = i40evf_dev_close,
 162         .dev_infos_get        = i40evf_dev_info_get,
 163         .vlan_filter_set      = i40evf_vlan_filter_set,
 164         .vlan_offload_set     = i40evf_vlan_offload_set,
 165         .vlan_pvid_set        = i40evf_vlan_pvid_set,
 166         .rx_queue_start       = i40evf_dev_rx_queue_start,
 167         .rx_queue_stop        = i40evf_dev_rx_queue_stop,
 168         .tx_queue_start       = i40evf_dev_tx_queue_start,
 169         .tx_queue_stop        = i40evf_dev_tx_queue_stop,
 170         .rx_queue_setup       = i40e_dev_rx_queue_setup,
 171         .rx_queue_release     = i40e_dev_rx_queue_release,
 172         .tx_queue_setup       = i40e_dev_tx_queue_setup,
 173         .tx_queue_release     = i40e_dev_tx_queue_release,
 174         .reta_update          = i40evf_dev_rss_reta_update,
 175         .reta_query           = i40evf_dev_rss_reta_query,
 176         .rss_hash_update      = i40evf_dev_rss_hash_update,
 177         .rss_hash_conf_get    = i40evf_dev_rss_hash_conf_get,
 178 };
 179
 180 static int
 181 i40evf_set_mac_type(struct i40e_hw *hw)
 182 {
 183         int status = I40E_ERR_DEVICE_NOT_SUPPORTED;
 184
 185         if (hw->vendor_id == I40E_INTEL_VENDOR_ID) {
 186                 switch (hw->device_id) {
 187                 case I40E_DEV_ID_VF:
 188                 case I40E_DEV_ID_VF_HV:
 189                         hw->mac.type = I40E_MAC_VF;
 190                         status = I40E_SUCCESS;
 191                         break;
 192                 default:
 193                         ;
 194                 }
 195         }
 196
 197         return status;
 198 }
 199
 200 /*
 201  * Parse admin queue message.
 202  *
 203  * return value:
 204  *  < 0: meet error
 205  *  0: read sys msg
 206  *  > 0: read cmd result
 207  */
 208 static enum i40evf_aq_result
 209 i40evf_parse_pfmsg(struct i40e_vf *vf,
 210                    struct i40e_arq_event_info *event,
 211                    struct i40evf_arq_msg_info *data)
 212 {
 213         enum i40e_virtchnl_ops opcode = (enum i40e_virtchnl_ops)\
 214                         rte_le_to_cpu_32(event->desc.cookie_high);
 215         enum i40e_status_code retval = (enum i40e_status_code)\
 216                         rte_le_to_cpu_32(event->desc.cookie_low);
 217         enum i40evf_aq_result ret = I40EVF_MSG_CMD;
 218
 219         /* pf sys event */
 220         if (opcode == I40E_VIRTCHNL_OP_EVENT) {
 221                 struct i40e_virtchnl_pf_event *vpe =
 222                         (struct i40e_virtchnl_pf_event *)event->msg_buf;
 223
 224                 /* Initialize ret to sys event */
 225                 ret = I40EVF_MSG_SYS;
 226                 switch (vpe->event) {
 227                 case I40E_VIRTCHNL_EVENT_LINK_CHANGE:
 228                         vf->link_up =
 229                                 vpe->event_data.link_event.link_status;
 230                         vf->pend_msg |= PFMSG_LINK_CHANGE;
 231                         PMD_DRV_LOG(INFO, "Link status update:%s",
 232                                     vf->link_up ? "up" : "down");
 233                         break;
 234                 case I40E_VIRTCHNL_EVENT_RESET_IMPENDING:
 235                         vf->vf_reset = true;
 236                         vf->pend_msg |= PFMSG_RESET_IMPENDING;
 237                         PMD_DRV_LOG(INFO, "vf is reseting");
 238                         break;
 239                 case I40E_VIRTCHNL_EVENT_PF_DRIVER_CLOSE:
 240                         vf->dev_closed = true;
 241                         vf->pend_msg |= PFMSG_DRIVER_CLOSE;
 242                         PMD_DRV_LOG(INFO, "PF driver closed");
 243                         break;
 244                 default:
 245                         PMD_DRV_LOG(ERR, "%s: Unknown event %d from pf",
 246                                     __func__, vpe->event);
 247                 }
 248         } else {
 249                 /* async reply msg on command issued by vf previously */
 250                 ret = I40EVF_MSG_CMD;
 251                 /* Actual data length read from PF */
 252                 data->msg_len = event->msg_len;
 253         }
 254         /* fill the ops and result to notify VF */
 255         data->result = retval;
 256         data->ops = opcode;
 257
 258         return ret;
 259 }
 260
 261 /*
 262  * Read data in admin queue to get msg from pf driver
 263  */
 264 static enum i40evf_aq_result
 265 i40evf_read_pfmsg(struct rte_eth_dev *dev, struct i40evf_arq_msg_info *data)
 266 {
 267         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 268         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 269         struct i40e_arq_event_info event;
 270         int ret;
 271         enum i40evf_aq_result result = I40EVF_MSG_NON;
 272
 273         event.buf_len = data->buf_len;
 274         event.msg_buf = data->msg;
 275         ret = i40e_clean_arq_element(hw, &event, NULL);
 276         /* Can't read any msg from adminQ */
 277         if (ret) {
 278                 if (ret == I40E_ERR_ADMIN_QUEUE_NO_WORK)
 279                         result = I40EVF_MSG_NON;
 280                 else
 281                         result = I40EVF_MSG_ERR;
 282                 return result;
 283         }
 284
 285         /* Parse the event */
 286         result = i40evf_parse_pfmsg(vf, &event, data);
 287
 288         return result;
 289 }
 290
 291 /*
 292  * Polling read until command result return from pf driver or meet error.
 293  */
 294 static int
 295 i40evf_wait_cmd_done(struct rte_eth_dev *dev,
 296                      struct i40evf_arq_msg_info *data)
 297 {
 298         int i = 0;
 299         enum i40evf_aq_result ret;
 300
 301 #define MAX_TRY_TIMES 10
 302 #define ASQ_DELAY_MS  50
 303         do {
 304                 /* Delay some time first */
 305                 rte_delay_ms(ASQ_DELAY_MS);
 306                 ret = i40evf_read_pfmsg(dev, data);
 307                 if (ret == I40EVF_MSG_CMD)
 308                         return 0;
 309                 else if (ret == I40EVF_MSG_ERR)
 310                         return -1;
 311
 312                 /* If don't read msg or read sys event, continue */
 313         } while(i++ < MAX_TRY_TIMES);
 314
 315         return -1;
 316 }
 317
 318 /**
 319  * clear current command. Only call in case execute
 320  * _atomic_set_cmd successfully.
 321  */
 322 static inline void
 323 _clear_cmd(struct i40e_vf *vf)
 324 {
 325         rte_wmb();
 326         vf->pend_cmd = I40E_VIRTCHNL_OP_UNKNOWN;
 327 }
 328
 329 /*
 330  * Check there is pending cmd in execution. If none, set new command.
 331  */
 332 static inline int
 333 _atomic_set_cmd(struct i40e_vf *vf, enum i40e_virtchnl_ops ops)
 334 {
 335         int ret = rte_atomic32_cmpset(&vf->pend_cmd,
 336                         I40E_VIRTCHNL_OP_UNKNOWN, ops);
 337
 338         if (!ret)
 339                 PMD_DRV_LOG(ERR, "There is incomplete cmd %d", vf->pend_cmd);
 340
 341         return !ret;
 342 }
 343
 344 static int
 345 i40evf_execute_vf_cmd(struct rte_eth_dev *dev, struct vf_cmd_info *args)
 346 {
 347         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 348         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 349         int err = -1;
 350         struct i40evf_arq_msg_info info;
 351
 352         if (_atomic_set_cmd(vf, args->ops))
 353                 return -1;
 354
 355         info.msg = args->out_buffer;
 356         info.buf_len = args->out_size;
 357         info.ops = I40E_VIRTCHNL_OP_UNKNOWN;
 358         info.result = I40E_SUCCESS;
 359
 360         err = i40e_aq_send_msg_to_pf(hw, args->ops, I40E_SUCCESS,
 361                      args->in_args, args->in_args_size, NULL);
 362         if (err) {
 363                 PMD_DRV_LOG(ERR, "fail to send cmd %d", args->ops);
 364                 return err;
 365         }
 366
 367         err = i40evf_wait_cmd_done(dev, &info);
 368         /* read message and it's expected one */
 369         if (!err && args->ops == info.ops)
 370                 _clear_cmd(vf);
 371         else if (err)
 372                 PMD_DRV_LOG(ERR, "Failed to read message from AdminQ");
 373         else if (args->ops != info.ops)
 374                 PMD_DRV_LOG(ERR, "command mismatch, expect %u, get %u",
 375                             args->ops, info.ops);
 376
 377         return (err | info.result);
 378 }
 379
 380 /*
 381  * Check API version with sync wait until version read or fail from admin queue
 382  */
 383 static int
 384 i40evf_check_api_version(struct rte_eth_dev *dev)
 385 {
 386         struct i40e_virtchnl_version_info version, *pver;
 387         int err;
 388         struct vf_cmd_info args;
 389         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 390
 391         version.major = I40E_VIRTCHNL_VERSION_MAJOR;
 392         version.minor = I40E_VIRTCHNL_VERSION_MINOR;
 393
 394         args.ops = I40E_VIRTCHNL_OP_VERSION;
 395         args.in_args = (uint8_t *)&version;
 396         args.in_args_size = sizeof(version);
 397         args.out_buffer = cmd_result_buffer;
 398         args.out_size = I40E_AQ_BUF_SZ;
 399
 400         err = i40evf_execute_vf_cmd(dev, &args);
 401         if (err) {
 402                 PMD_INIT_LOG(ERR, "fail to execute command OP_VERSION");
 403                 return err;
 404         }
 405
 406         pver = (struct i40e_virtchnl_version_info *)args.out_buffer;
 407         vf->version_major = pver->major;
 408         vf->version_minor = pver->minor;
 409         if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
 410                 PMD_DRV_LOG(INFO, "Peer is DPDK PF host");
 411         else if ((vf->version_major == I40E_VIRTCHNL_VERSION_MAJOR) &&
 412                 (vf->version_minor == I40E_VIRTCHNL_VERSION_MINOR))
 413                 PMD_DRV_LOG(INFO, "Peer is Linux PF host");
 414         else {
 415                 PMD_INIT_LOG(ERR, "PF/VF API version mismatch:(%u.%u)-(%u.%u)",
 416                                         vf->version_major, vf->version_minor,
 417                                                 I40E_VIRTCHNL_VERSION_MAJOR,
 418                                                 I40E_VIRTCHNL_VERSION_MINOR);
 419                 return -1;
 420         }
 421
 422         return 0;
 423 }
 424
 425 static int
 426 i40evf_get_vf_resource(struct rte_eth_dev *dev)
 427 {
 428         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 429         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 430         int err;
 431         struct vf_cmd_info args;
 432         uint32_t len;
 433
 434         args.ops = I40E_VIRTCHNL_OP_GET_VF_RESOURCES;
 435         args.in_args = NULL;
 436         args.in_args_size = 0;
 437         args.out_buffer = cmd_result_buffer;
 438         args.out_size = I40E_AQ_BUF_SZ;
 439
 440         err = i40evf_execute_vf_cmd(dev, &args);
 441
 442         if (err) {
 443                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_VF_RESOURCE");
 444                 return err;
 445         }
 446
 447         len =  sizeof(struct i40e_virtchnl_vf_resource) +
 448                 I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource);
 449
 450         (void)rte_memcpy(vf->vf_res, args.out_buffer,
 451                         RTE_MIN(args.out_size, len));
 452         i40e_vf_parse_hw_config(hw, vf->vf_res);
 453
 454         return 0;
 455 }
 456
 457 static int
 458 i40evf_config_promisc(struct rte_eth_dev *dev,
 459                       bool enable_unicast,
 460                       bool enable_multicast)
 461 {
 462         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 463         int err;
 464         struct vf_cmd_info args;
 465         struct i40e_virtchnl_promisc_info promisc;
 466
 467         promisc.flags = 0;
 468         promisc.vsi_id = vf->vsi_res->vsi_id;
 469
 470         if (enable_unicast)
 471                 promisc.flags |= I40E_FLAG_VF_UNICAST_PROMISC;
 472
 473         if (enable_multicast)
 474                 promisc.flags |= I40E_FLAG_VF_MULTICAST_PROMISC;
 475
 476         args.ops = I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE;
 477         args.in_args = (uint8_t *)&promisc;
 478         args.in_args_size = sizeof(promisc);
 479         args.out_buffer = cmd_result_buffer;
 480         args.out_size = I40E_AQ_BUF_SZ;
 481
 482         err = i40evf_execute_vf_cmd(dev, &args);
 483
 484         if (err)
 485                 PMD_DRV_LOG(ERR, "fail to execute command "
 486                             "CONFIG_PROMISCUOUS_MODE");
 487         return err;
 488 }
 489
 490 /* Configure vlan and double vlan offload. Use flag to specify which part to configure */
 491 static int
 492 i40evf_config_vlan_offload(struct rte_eth_dev *dev,
 493                                 bool enable_vlan_strip)
 494 {
 495         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 496         int err;
 497         struct vf_cmd_info args;
 498         struct i40e_virtchnl_vlan_offload_info offload;
 499
 500         offload.vsi_id = vf->vsi_res->vsi_id;
 501         offload.enable_vlan_strip = enable_vlan_strip;
 502
 503         args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD;
 504         args.in_args = (uint8_t *)&offload;
 505         args.in_args_size = sizeof(offload);
 506         args.out_buffer = cmd_result_buffer;
 507         args.out_size = I40E_AQ_BUF_SZ;
 508
 509         err = i40evf_execute_vf_cmd(dev, &args);
 510         if (err)
 511                 PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_OFFLOAD");
 512
 513         return err;
 514 }
 515
 516 static int
 517 i40evf_config_vlan_pvid(struct rte_eth_dev *dev,
 518                                 struct i40e_vsi_vlan_pvid_info *info)
 519 {
 520         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 521         int err;
 522         struct vf_cmd_info args;
 523         struct i40e_virtchnl_pvid_info tpid_info;
 524
 525         if (dev == NULL || info == NULL) {
 526                 PMD_DRV_LOG(ERR, "invalid parameters");
 527                 return I40E_ERR_PARAM;
 528         }
 529
 530         memset(&tpid_info, 0, sizeof(tpid_info));
 531         tpid_info.vsi_id = vf->vsi_res->vsi_id;
 532         (void)rte_memcpy(&tpid_info.info, info, sizeof(*info));
 533
 534         args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CFG_VLAN_PVID;
 535         args.in_args = (uint8_t *)&tpid_info;
 536         args.in_args_size = sizeof(tpid_info);
 537         args.out_buffer = cmd_result_buffer;
 538         args.out_size = I40E_AQ_BUF_SZ;
 539
 540         err = i40evf_execute_vf_cmd(dev, &args);
 541         if (err)
 542                 PMD_DRV_LOG(ERR, "fail to execute command CFG_VLAN_PVID");
 543
 544         return err;
 545 }
 546
 547 static void
 548 i40evf_fill_virtchnl_vsi_txq_info(struct i40e_virtchnl_txq_info *txq_info,
 549                                   uint16_t vsi_id,
 550                                   uint16_t queue_id,
 551                                   uint16_t nb_txq,
 552                                   struct i40e_tx_queue *txq)
 553 {
 554         txq_info->vsi_id = vsi_id;
 555         txq_info->queue_id = queue_id;
 556         if (queue_id < nb_txq) {
 557                 txq_info->ring_len = txq->nb_tx_desc;
 558                 txq_info->dma_ring_addr = txq->tx_ring_phys_addr;
 559         }
 560 }
 561
 562 static void
 563 i40evf_fill_virtchnl_vsi_rxq_info(struct i40e_virtchnl_rxq_info *rxq_info,
 564                                   uint16_t vsi_id,
 565                                   uint16_t queue_id,
 566                                   uint16_t nb_rxq,
 567                                   uint32_t max_pkt_size,
 568                                   struct i40e_rx_queue *rxq)
 569 {
 570         rxq_info->vsi_id = vsi_id;
 571         rxq_info->queue_id = queue_id;
 572         rxq_info->max_pkt_size = max_pkt_size;
 573         if (queue_id < nb_rxq) {
 574                 rxq_info->ring_len = rxq->nb_rx_desc;
 575                 rxq_info->dma_ring_addr = rxq->rx_ring_phys_addr;
 576                 rxq_info->databuffer_size =
 577                         (rte_pktmbuf_data_room_size(rxq->mp) -
 578                                 RTE_PKTMBUF_HEADROOM);
 579         }
 580 }
 581
 582 /* It configures VSI queues to co-work with Linux PF host */
 583 static int
 584 i40evf_configure_vsi_queues(struct rte_eth_dev *dev)
 585 {
 586         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 587         struct i40e_rx_queue **rxq =
 588                 (struct i40e_rx_queue **)dev->data->rx_queues;
 589         struct i40e_tx_queue **txq =
 590                 (struct i40e_tx_queue **)dev->data->tx_queues;
 591         struct i40e_virtchnl_vsi_queue_config_info *vc_vqci;
 592         struct i40e_virtchnl_queue_pair_info *vc_qpi;
 593         struct vf_cmd_info args;
 594         uint16_t i, nb_qp = vf->num_queue_pairs;
 595         const uint32_t size =
 596                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci, nb_qp);
 597         uint8_t buff[size];
 598         int ret;
 599
 600         memset(buff, 0, sizeof(buff));
 601         vc_vqci = (struct i40e_virtchnl_vsi_queue_config_info *)buff;
 602         vc_vqci->vsi_id = vf->vsi_res->vsi_id;
 603         vc_vqci->num_queue_pairs = nb_qp;
 604
 605         for (i = 0, vc_qpi = vc_vqci->qpair; i < nb_qp; i++, vc_qpi++) {
 606                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpi->txq,
 607                         vc_vqci->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
 608                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpi->rxq,
 609                         vc_vqci->vsi_id, i, dev->data->nb_rx_queues,
 610                                         vf->max_pkt_len, rxq[i]);
 611         }
 612         memset(&args, 0, sizeof(args));
 613         args.ops = I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES;
 614         args.in_args = (uint8_t *)vc_vqci;
 615         args.in_args_size = size;
 616         args.out_buffer = cmd_result_buffer;
 617         args.out_size = I40E_AQ_BUF_SZ;
 618         ret = i40evf_execute_vf_cmd(dev, &args);
 619         if (ret)
 620                 PMD_DRV_LOG(ERR, "Failed to execute command of "
 621                         "I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES\n");
 622
 623         return ret;
 624 }
 625
 626 /* It configures VSI queues to co-work with DPDK PF host */
 627 static int
 628 i40evf_configure_vsi_queues_ext(struct rte_eth_dev *dev)
 629 {
 630         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 631         struct i40e_rx_queue **rxq =
 632                 (struct i40e_rx_queue **)dev->data->rx_queues;
 633         struct i40e_tx_queue **txq =
 634                 (struct i40e_tx_queue **)dev->data->tx_queues;
 635         struct i40e_virtchnl_vsi_queue_config_ext_info *vc_vqcei;
 636         struct i40e_virtchnl_queue_pair_ext_info *vc_qpei;
 637         struct vf_cmd_info args;
 638         uint16_t i, nb_qp = vf->num_queue_pairs;
 639         const uint32_t size =
 640                 I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei, nb_qp);
 641         uint8_t buff[size];
 642         int ret;
 643
 644         memset(buff, 0, sizeof(buff));
 645         vc_vqcei = (struct i40e_virtchnl_vsi_queue_config_ext_info *)buff;
 646         vc_vqcei->vsi_id = vf->vsi_res->vsi_id;
 647         vc_vqcei->num_queue_pairs = nb_qp;
 648         vc_qpei = vc_vqcei->qpair;
 649         for (i = 0; i < nb_qp; i++, vc_qpei++) {
 650                 i40evf_fill_virtchnl_vsi_txq_info(&vc_qpei->txq,
 651                         vc_vqcei->vsi_id, i, dev->data->nb_tx_queues, txq[i]);
 652                 i40evf_fill_virtchnl_vsi_rxq_info(&vc_qpei->rxq,
 653                         vc_vqcei->vsi_id, i, dev->data->nb_rx_queues,
 654                                         vf->max_pkt_len, rxq[i]);
 655                 if (i < dev->data->nb_rx_queues)
 656                         /*
 657                          * It adds extra info for configuring VSI queues, which
 658                          * is needed to enable the configurable crc stripping
 659                          * in VF.
 660                          */
 661                         vc_qpei->rxq_ext.crcstrip =
 662                                 dev->data->dev_conf.rxmode.hw_strip_crc;
 663         }
 664         memset(&args, 0, sizeof(args));
 665         args.ops =
 666                 (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT;
 667         args.in_args = (uint8_t *)vc_vqcei;
 668         args.in_args_size = size;
 669         args.out_buffer = cmd_result_buffer;
 670         args.out_size = I40E_AQ_BUF_SZ;
 671         ret = i40evf_execute_vf_cmd(dev, &args);
 672         if (ret)
 673                 PMD_DRV_LOG(ERR, "Failed to execute command of "
 674                         "I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT\n");
 675
 676         return ret;
 677 }
 678
 679 static int
 680 i40evf_configure_queues(struct rte_eth_dev *dev)
 681 {
 682         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 683
 684         if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
 685                 /* To support DPDK PF host */
 686                 return i40evf_configure_vsi_queues_ext(dev);
 687         else
 688                 /* To support Linux PF host */
 689                 return i40evf_configure_vsi_queues(dev);
 690 }
 691
 692 static int
 693 i40evf_config_irq_map(struct rte_eth_dev *dev)
 694 {
 695         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 696         struct vf_cmd_info args;
 697         uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_irq_map_info) + \
 698                 sizeof(struct i40e_virtchnl_vector_map)];
 699         struct i40e_virtchnl_irq_map_info *map_info;
 700         int i, err;
 701         map_info = (struct i40e_virtchnl_irq_map_info *)cmd_buffer;
 702         map_info->num_vectors = 1;
 703         map_info->vecmap[0].rxitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2;
 704         map_info->vecmap[0].txitr_idx = RTE_LIBRTE_I40E_ITR_INTERVAL / 2;
 705         map_info->vecmap[0].vsi_id = vf->vsi_res->vsi_id;
 706         /* Alway use default dynamic MSIX interrupt */
 707         map_info->vecmap[0].vector_id = I40EVF_VSI_DEFAULT_MSIX_INTR;
 708         /* Don't map any tx queue */
 709         map_info->vecmap[0].txq_map = 0;
 710         map_info->vecmap[0].rxq_map = 0;
 711         for (i = 0; i < dev->data->nb_rx_queues; i++)
 712                 map_info->vecmap[0].rxq_map |= 1 << i;
 713
 714         args.ops = I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP;
 715         args.in_args = (u8 *)cmd_buffer;
 716         args.in_args_size = sizeof(cmd_buffer);
 717         args.out_buffer = cmd_result_buffer;
 718         args.out_size = I40E_AQ_BUF_SZ;
 719         err = i40evf_execute_vf_cmd(dev, &args);
 720         if (err)
 721                 PMD_DRV_LOG(ERR, "fail to execute command OP_ENABLE_QUEUES");
 722
 723         return err;
 724 }
 725
 726 static int
 727 i40evf_switch_queue(struct rte_eth_dev *dev, bool isrx, uint16_t qid,
 728                                 bool on)
 729 {
 730         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 731         struct i40e_virtchnl_queue_select queue_select;
 732         int err;
 733         struct vf_cmd_info args;
 734         memset(&queue_select, 0, sizeof(queue_select));
 735         queue_select.vsi_id = vf->vsi_res->vsi_id;
 736
 737         if (isrx)
 738                 queue_select.rx_queues |= 1 << qid;
 739         else
 740                 queue_select.tx_queues |= 1 << qid;
 741
 742         if (on)
 743                 args.ops = I40E_VIRTCHNL_OP_ENABLE_QUEUES;
 744         else
 745                 args.ops = I40E_VIRTCHNL_OP_DISABLE_QUEUES;
 746         args.in_args = (u8 *)&queue_select;
 747         args.in_args_size = sizeof(queue_select);
 748         args.out_buffer = cmd_result_buffer;
 749         args.out_size = I40E_AQ_BUF_SZ;
 750         err = i40evf_execute_vf_cmd(dev, &args);
 751         if (err)
 752                 PMD_DRV_LOG(ERR, "fail to switch %s %u %s",
 753                             isrx ? "RX" : "TX", qid, on ? "on" : "off");
 754
 755         return err;
 756 }
 757
 758 static int
 759 i40evf_start_queues(struct rte_eth_dev *dev)
 760 {
 761         struct rte_eth_dev_data *dev_data = dev->data;
 762         int i;
 763         struct i40e_rx_queue *rxq;
 764         struct i40e_tx_queue *txq;
 765
 766         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 767                 rxq = dev_data->rx_queues[i];
 768                 if (rxq->rx_deferred_start)
 769                         continue;
 770                 if (i40evf_dev_rx_queue_start(dev, i) != 0) {
 771                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 772                         return -1;
 773                 }
 774         }
 775
 776         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 777                 txq = dev_data->tx_queues[i];
 778                 if (txq->tx_deferred_start)
 779                         continue;
 780                 if (i40evf_dev_tx_queue_start(dev, i) != 0) {
 781                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 782                         return -1;
 783                 }
 784         }
 785
 786         return 0;
 787 }
 788
 789 static int
 790 i40evf_stop_queues(struct rte_eth_dev *dev)
 791 {
 792         int i;
 793
 794         /* Stop TX queues first */
 795         for (i = 0; i < dev->data->nb_tx_queues; i++) {
 796                 if (i40evf_dev_tx_queue_stop(dev, i) != 0) {
 797                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 798                         return -1;
 799                 }
 800         }
 801
 802         /* Then stop RX queues */
 803         for (i = 0; i < dev->data->nb_rx_queues; i++) {
 804                 if (i40evf_dev_rx_queue_stop(dev, i) != 0) {
 805                         PMD_DRV_LOG(ERR, "Fail to start queue %u", i);
 806                         return -1;
 807                 }
 808         }
 809
 810         return 0;
 811 }
 812
 813 static int
 814 i40evf_add_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
 815 {
 816         struct i40e_virtchnl_ether_addr_list *list;
 817         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 818         uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \
 819                         sizeof(struct i40e_virtchnl_ether_addr)];
 820         int err;
 821         struct vf_cmd_info args;
 822
 823         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
 824                 PMD_DRV_LOG(ERR, "Invalid mac:%x:%x:%x:%x:%x:%x",
 825                             addr->addr_bytes[0], addr->addr_bytes[1],
 826                             addr->addr_bytes[2], addr->addr_bytes[3],
 827                             addr->addr_bytes[4], addr->addr_bytes[5]);
 828                 return -1;
 829         }
 830
 831         list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer;
 832         list->vsi_id = vf->vsi_res->vsi_id;
 833         list->num_elements = 1;
 834         (void)rte_memcpy(list->list[0].addr, addr->addr_bytes,
 835                                         sizeof(addr->addr_bytes));
 836
 837         args.ops = I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS;
 838         args.in_args = cmd_buffer;
 839         args.in_args_size = sizeof(cmd_buffer);
 840         args.out_buffer = cmd_result_buffer;
 841         args.out_size = I40E_AQ_BUF_SZ;
 842         err = i40evf_execute_vf_cmd(dev, &args);
 843         if (err)
 844                 PMD_DRV_LOG(ERR, "fail to execute command "
 845                             "OP_ADD_ETHER_ADDRESS");
 846
 847         return err;
 848 }
 849
 850 static int
 851 i40evf_del_mac_addr(struct rte_eth_dev *dev, struct ether_addr *addr)
 852 {
 853         struct i40e_virtchnl_ether_addr_list *list;
 854         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 855         uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_ether_addr_list) + \
 856                         sizeof(struct i40e_virtchnl_ether_addr)];
 857         int err;
 858         struct vf_cmd_info args;
 859
 860         if (i40e_validate_mac_addr(addr->addr_bytes) != I40E_SUCCESS) {
 861                 PMD_DRV_LOG(ERR, "Invalid mac:%x-%x-%x-%x-%x-%x",
 862                             addr->addr_bytes[0], addr->addr_bytes[1],
 863                             addr->addr_bytes[2], addr->addr_bytes[3],
 864                             addr->addr_bytes[4], addr->addr_bytes[5]);
 865                 return -1;
 866         }
 867
 868         list = (struct i40e_virtchnl_ether_addr_list *)cmd_buffer;
 869         list->vsi_id = vf->vsi_res->vsi_id;
 870         list->num_elements = 1;
 871         (void)rte_memcpy(list->list[0].addr, addr->addr_bytes,
 872                         sizeof(addr->addr_bytes));
 873
 874         args.ops = I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS;
 875         args.in_args = cmd_buffer;
 876         args.in_args_size = sizeof(cmd_buffer);
 877         args.out_buffer = cmd_result_buffer;
 878         args.out_size = I40E_AQ_BUF_SZ;
 879         err = i40evf_execute_vf_cmd(dev, &args);
 880         if (err)
 881                 PMD_DRV_LOG(ERR, "fail to execute command "
 882                             "OP_DEL_ETHER_ADDRESS");
 883
 884         return err;
 885 }
 886
 887 static int
 888 i40evf_get_statics(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
 889 {
 890         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 891         struct i40e_virtchnl_queue_select q_stats;
 892         struct i40e_eth_stats *pstats;
 893         int err;
 894         struct vf_cmd_info args;
 895
 896         memset(&q_stats, 0, sizeof(q_stats));
 897         q_stats.vsi_id = vf->vsi_res->vsi_id;
 898         args.ops = I40E_VIRTCHNL_OP_GET_STATS;
 899         args.in_args = (u8 *)&q_stats;
 900         args.in_args_size = sizeof(q_stats);
 901         args.out_buffer = cmd_result_buffer;
 902         args.out_size = I40E_AQ_BUF_SZ;
 903
 904         err = i40evf_execute_vf_cmd(dev, &args);
 905         if (err) {
 906                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_STATS");
 907                 return err;
 908         }
 909         pstats = (struct i40e_eth_stats *)args.out_buffer;
 910         stats->ipackets = pstats->rx_unicast + pstats->rx_multicast +
 911                                                 pstats->rx_broadcast;
 912         stats->opackets = pstats->tx_broadcast + pstats->tx_multicast +
 913                                                 pstats->tx_unicast;
 914         stats->ierrors = pstats->rx_discards;
 915         stats->oerrors = pstats->tx_errors + pstats->tx_discards;
 916         stats->ibytes = pstats->rx_bytes;
 917         stats->obytes = pstats->tx_bytes;
 918
 919         return 0;
 920 }
 921
 922 static int
 923 i40evf_add_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
 924 {
 925         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 926         struct i40e_virtchnl_vlan_filter_list *vlan_list;
 927         uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) +
 928                                                         sizeof(uint16_t)];
 929         int err;
 930         struct vf_cmd_info args;
 931
 932         vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer;
 933         vlan_list->vsi_id = vf->vsi_res->vsi_id;
 934         vlan_list->num_elements = 1;
 935         vlan_list->vlan_id[0] = vlanid;
 936
 937         args.ops = I40E_VIRTCHNL_OP_ADD_VLAN;
 938         args.in_args = (u8 *)&cmd_buffer;
 939         args.in_args_size = sizeof(cmd_buffer);
 940         args.out_buffer = cmd_result_buffer;
 941         args.out_size = I40E_AQ_BUF_SZ;
 942         err = i40evf_execute_vf_cmd(dev, &args);
 943         if (err)
 944                 PMD_DRV_LOG(ERR, "fail to execute command OP_ADD_VLAN");
 945
 946         return err;
 947 }
 948
 949 static int
 950 i40evf_del_vlan(struct rte_eth_dev *dev, uint16_t vlanid)
 951 {
 952         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
 953         struct i40e_virtchnl_vlan_filter_list *vlan_list;
 954         uint8_t cmd_buffer[sizeof(struct i40e_virtchnl_vlan_filter_list) +
 955                                                         sizeof(uint16_t)];
 956         int err;
 957         struct vf_cmd_info args;
 958
 959         vlan_list = (struct i40e_virtchnl_vlan_filter_list *)cmd_buffer;
 960         vlan_list->vsi_id = vf->vsi_res->vsi_id;
 961         vlan_list->num_elements = 1;
 962         vlan_list->vlan_id[0] = vlanid;
 963
 964         args.ops = I40E_VIRTCHNL_OP_DEL_VLAN;
 965         args.in_args = (u8 *)&cmd_buffer;
 966         args.in_args_size = sizeof(cmd_buffer);
 967         args.out_buffer = cmd_result_buffer;
 968         args.out_size = I40E_AQ_BUF_SZ;
 969         err = i40evf_execute_vf_cmd(dev, &args);
 970         if (err)
 971                 PMD_DRV_LOG(ERR, "fail to execute command OP_DEL_VLAN");
 972
 973         return err;
 974 }
 975
 976 static int
 977 i40evf_get_link_status(struct rte_eth_dev *dev, struct rte_eth_link *link)
 978 {
 979         int err;
 980         struct vf_cmd_info args;
 981         struct rte_eth_link *new_link;
 982
 983         args.ops = (enum i40e_virtchnl_ops)I40E_VIRTCHNL_OP_GET_LINK_STAT;
 984         args.in_args = NULL;
 985         args.in_args_size = 0;
 986         args.out_buffer = cmd_result_buffer;
 987         args.out_size = I40E_AQ_BUF_SZ;
 988         err = i40evf_execute_vf_cmd(dev, &args);
 989         if (err) {
 990                 PMD_DRV_LOG(ERR, "fail to execute command OP_GET_LINK_STAT");
 991                 return err;
 992         }
 993
 994         new_link = (struct rte_eth_link *)args.out_buffer;
 995         (void)rte_memcpy(link, new_link, sizeof(*link));
 996
 997         return 0;
 998 }
 999
1000 static const struct rte_pci_id pci_id_i40evf_map[] = {
1001 #define RTE_PCI_DEV_ID_DECL_I40EVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
1002 #include "rte_pci_dev_ids.h"
1003 { .vendor_id = 0, /* sentinel */ },
1004 };
1005
1006 static inline int
1007 i40evf_dev_atomic_write_link_status(struct rte_eth_dev *dev,
1008                                     struct rte_eth_link *link)
1009 {
1010         struct rte_eth_link *dst = &(dev->data->dev_link);
1011         struct rte_eth_link *src = link;
1012
1013         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
1014                                         *(uint64_t *)src) == 0)
1015                 return -1;
1016
1017         return 0;
1018 }
1019
1020 static int
1021 i40evf_reset_vf(struct i40e_hw *hw)
1022 {
1023         int i, reset;
1024
1025         if (i40e_vf_reset(hw) != I40E_SUCCESS) {
1026                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1027                 return -1;
1028         }
1029         /**
1030           * After issuing vf reset command to pf, pf won't necessarily
1031           * reset vf, it depends on what state it exactly is. If it's not
1032           * initialized yet, it won't have vf reset since it's in a certain
1033           * state. If not, it will try to reset. Even vf is reset, pf will
1034           * set I40E_VFGEN_RSTAT to COMPLETE first, then wait 10ms and set
1035           * it to ACTIVE. In this duration, vf may not catch the moment that
1036           * COMPLETE is set. So, for vf, we'll try to wait a long time.
1037           */
1038         rte_delay_ms(200);
1039
1040         for (i = 0; i < MAX_RESET_WAIT_CNT; i++) {
1041                 reset = rd32(hw, I40E_VFGEN_RSTAT) &
1042                         I40E_VFGEN_RSTAT_VFR_STATE_MASK;
1043                 reset = reset >> I40E_VFGEN_RSTAT_VFR_STATE_SHIFT;
1044                 if (I40E_VFR_COMPLETED == reset || I40E_VFR_VFACTIVE == reset)
1045                         break;
1046                 else
1047                         rte_delay_ms(50);
1048         }
1049
1050         if (i >= MAX_RESET_WAIT_CNT) {
1051                 PMD_INIT_LOG(ERR, "Reset VF NIC failed");
1052                 return -1;
1053         }
1054
1055         return 0;
1056 }
1057
1058 static int
1059 i40evf_init_vf(struct rte_eth_dev *dev)
1060 {
1061         int i, err, bufsz;
1062         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1063         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1064
1065         vf->adapter = I40E_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private);
1066         vf->dev_data = dev->data;
1067         err = i40evf_set_mac_type(hw);
1068         if (err) {
1069                 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err);
1070                 goto err;
1071         }
1072
1073         i40e_init_adminq_parameter(hw);
1074         err = i40e_init_adminq(hw);
1075         if (err) {
1076                 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err);
1077                 goto err;
1078         }
1079
1080
1081         /* Reset VF and wait until it's complete */
1082         if (i40evf_reset_vf(hw)) {
1083                 PMD_INIT_LOG(ERR, "reset NIC failed");
1084                 goto err_aq;
1085         }
1086
1087         /* VF reset, shutdown admin queue and initialize again */
1088         if (i40e_shutdown_adminq(hw) != I40E_SUCCESS) {
1089                 PMD_INIT_LOG(ERR, "i40e_shutdown_adminq failed");
1090                 return -1;
1091         }
1092
1093         i40e_init_adminq_parameter(hw);
1094         if (i40e_init_adminq(hw) != I40E_SUCCESS) {
1095                 PMD_INIT_LOG(ERR, "init_adminq failed");
1096                 return -1;
1097         }
1098         if (i40evf_check_api_version(dev) != 0) {
1099                 PMD_INIT_LOG(ERR, "check_api version failed");
1100                 goto err_aq;
1101         }
1102         bufsz = sizeof(struct i40e_virtchnl_vf_resource) +
1103                 (I40E_MAX_VF_VSI * sizeof(struct i40e_virtchnl_vsi_resource));
1104         vf->vf_res = rte_zmalloc("vf_res", bufsz, 0);
1105         if (!vf->vf_res) {
1106                 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory");
1107                         goto err_aq;
1108         }
1109
1110         if (i40evf_get_vf_resource(dev) != 0) {
1111                 PMD_INIT_LOG(ERR, "i40evf_get_vf_config failed");
1112                 goto err_alloc;
1113         }
1114
1115         /* got VF config message back from PF, now we can parse it */
1116         for (i = 0; i < vf->vf_res->num_vsis; i++) {
1117                 if (vf->vf_res->vsi_res[i].vsi_type == I40E_VSI_SRIOV)
1118                         vf->vsi_res = &vf->vf_res->vsi_res[i];
1119         }
1120
1121         if (!vf->vsi_res) {
1122                 PMD_INIT_LOG(ERR, "no LAN VSI found");
1123                 goto err_alloc;
1124         }
1125
1126         vf->vsi.vsi_id = vf->vsi_res->vsi_id;
1127         vf->vsi.type = vf->vsi_res->vsi_type;
1128         vf->vsi.nb_qps = vf->vsi_res->num_queue_pairs;
1129
1130         /* check mac addr, if it's not valid, genrate one */
1131         if (I40E_SUCCESS != i40e_validate_mac_addr(\
1132                         vf->vsi_res->default_mac_addr))
1133                 eth_random_addr(vf->vsi_res->default_mac_addr);
1134
1135         ether_addr_copy((struct ether_addr *)vf->vsi_res->default_mac_addr,
1136                                         (struct ether_addr *)hw->mac.addr);
1137
1138         return 0;
1139
1140 err_alloc:
1141         rte_free(vf->vf_res);
1142 err_aq:
1143         i40e_shutdown_adminq(hw); /* ignore error */
1144 err:
1145         return -1;
1146 }
1147
1148 static int
1149 i40evf_dev_init(struct rte_eth_dev *eth_dev)
1150 {
1151         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(\
1152                         eth_dev->data->dev_private);
1153
1154         PMD_INIT_FUNC_TRACE();
1155
1156         /* assign ops func pointer */
1157         eth_dev->dev_ops = &i40evf_eth_dev_ops;
1158         eth_dev->rx_pkt_burst = &i40e_recv_pkts;
1159         eth_dev->tx_pkt_burst = &i40e_xmit_pkts;
1160
1161         /*
1162          * For secondary processes, we don't initialise any further as primary
1163          * has already done this work.
1164          */
1165         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
1166                 if (eth_dev->data->scattered_rx)
1167                         eth_dev->rx_pkt_burst = i40e_recv_scattered_pkts;
1168                 return 0;
1169         }
1170
1171         hw->vendor_id = eth_dev->pci_dev->id.vendor_id;
1172         hw->device_id = eth_dev->pci_dev->id.device_id;
1173         hw->subsystem_vendor_id = eth_dev->pci_dev->id.subsystem_vendor_id;
1174         hw->subsystem_device_id = eth_dev->pci_dev->id.subsystem_device_id;
1175         hw->bus.device = eth_dev->pci_dev->addr.devid;
1176         hw->bus.func = eth_dev->pci_dev->addr.function;
1177         hw->hw_addr = (void *)eth_dev->pci_dev->mem_resource[0].addr;
1178
1179         if(i40evf_init_vf(eth_dev) != 0) {
1180                 PMD_INIT_LOG(ERR, "Init vf failed");
1181                 return -1;
1182         }
1183
1184         /* copy mac addr */
1185         eth_dev->data->mac_addrs = rte_zmalloc("i40evf_mac",
1186                                         ETHER_ADDR_LEN, 0);
1187         if (eth_dev->data->mac_addrs == NULL) {
1188                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
1189                                 "store MAC addresses", ETHER_ADDR_LEN);
1190                 return -ENOMEM;
1191         }
1192         ether_addr_copy((struct ether_addr *)hw->mac.addr,
1193                 (struct ether_addr *)eth_dev->data->mac_addrs);
1194
1195         return 0;
1196 }
1197
1198 /*
1199  * virtual function driver struct
1200  */
1201 static struct eth_driver rte_i40evf_pmd = {
1202         {
1203                 .name = "rte_i40evf_pmd",
1204                 .id_table = pci_id_i40evf_map,
1205                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1206         },
1207         .eth_dev_init = i40evf_dev_init,
1208         .dev_private_size = sizeof(struct i40e_vf),
1209 };
1210
1211 /*
1212  * VF Driver initialization routine.
1213  * Invoked one at EAL init time.
1214  * Register itself as the [Virtual Poll Mode] Driver of PCI Fortville devices.
1215  */
1216 static int
1217 rte_i40evf_pmd_init(const char *name __rte_unused,
1218                     const char *params __rte_unused)
1219 {
1220         PMD_INIT_FUNC_TRACE();
1221
1222         rte_eth_driver_register(&rte_i40evf_pmd);
1223
1224         return 0;
1225 }
1226
1227 static struct rte_driver rte_i40evf_driver = {
1228         .type = PMD_PDEV,
1229         .init = rte_i40evf_pmd_init,
1230 };
1231
1232 PMD_REGISTER_DRIVER(rte_i40evf_driver);
1233
1234 static int
1235 i40evf_dev_configure(struct rte_eth_dev *dev)
1236 {
1237         return i40evf_init_vlan(dev);
1238 }
1239
1240 static int
1241 i40evf_init_vlan(struct rte_eth_dev *dev)
1242 {
1243         struct rte_eth_dev_data *data = dev->data;
1244         int ret;
1245
1246         /* Apply vlan offload setting */
1247         i40evf_vlan_offload_set(dev, ETH_VLAN_STRIP_MASK);
1248
1249         /* Apply pvid setting */
1250         ret = i40evf_vlan_pvid_set(dev, data->dev_conf.txmode.pvid,
1251                                 data->dev_conf.txmode.hw_vlan_insert_pvid);
1252         return ret;
1253 }
1254
1255 static void
1256 i40evf_vlan_offload_set(struct rte_eth_dev *dev, int mask)
1257 {
1258         bool enable_vlan_strip = 0;
1259         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1260         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1261
1262         /* Linux pf host doesn't support vlan offload yet */
1263         if (vf->version_major == I40E_DPDK_VERSION_MAJOR) {
1264                 /* Vlan stripping setting */
1265                 if (mask & ETH_VLAN_STRIP_MASK) {
1266                         /* Enable or disable VLAN stripping */
1267                         if (dev_conf->rxmode.hw_vlan_strip)
1268                                 enable_vlan_strip = 1;
1269                         else
1270                                 enable_vlan_strip = 0;
1271
1272                         i40evf_config_vlan_offload(dev, enable_vlan_strip);
1273                 }
1274         }
1275 }
1276
1277 static int
1278 i40evf_vlan_pvid_set(struct rte_eth_dev *dev, uint16_t pvid, int on)
1279 {
1280         struct rte_eth_conf *dev_conf = &dev->data->dev_conf;
1281         struct i40e_vsi_vlan_pvid_info info;
1282         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1283
1284         memset(&info, 0, sizeof(info));
1285         info.on = on;
1286
1287         /* Linux pf host don't support vlan offload yet */
1288         if (vf->version_major == I40E_DPDK_VERSION_MAJOR) {
1289                 if (info.on)
1290                         info.config.pvid = pvid;
1291                 else {
1292                         info.config.reject.tagged =
1293                                 dev_conf->txmode.hw_vlan_reject_tagged;
1294                         info.config.reject.untagged =
1295                                 dev_conf->txmode.hw_vlan_reject_untagged;
1296                 }
1297                 return i40evf_config_vlan_pvid(dev, &info);
1298         }
1299
1300         return 0;
1301 }
1302
1303 static int
1304 i40evf_dev_rx_queue_start(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1305 {
1306         struct i40e_rx_queue *rxq;
1307         int err = 0;
1308         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1309
1310         PMD_INIT_FUNC_TRACE();
1311
1312         if (rx_queue_id < dev->data->nb_rx_queues) {
1313                 rxq = dev->data->rx_queues[rx_queue_id];
1314
1315                 err = i40e_alloc_rx_queue_mbufs(rxq);
1316                 if (err) {
1317                         PMD_DRV_LOG(ERR, "Failed to allocate RX queue mbuf");
1318                         return err;
1319                 }
1320
1321                 rte_wmb();
1322
1323                 /* Init the RX tail register. */
1324                 I40E_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1);
1325                 I40EVF_WRITE_FLUSH(hw);
1326
1327                 /* Ready to switch the queue on */
1328                 err = i40evf_switch_queue(dev, TRUE, rx_queue_id, TRUE);
1329
1330                 if (err)
1331                         PMD_DRV_LOG(ERR, "Failed to switch RX queue %u on",
1332                                     rx_queue_id);
1333         }
1334
1335         return err;
1336 }
1337
1338 static int
1339 i40evf_dev_rx_queue_stop(struct rte_eth_dev *dev, uint16_t rx_queue_id)
1340 {
1341         struct i40e_rx_queue *rxq;
1342         int err;
1343
1344         if (rx_queue_id < dev->data->nb_rx_queues) {
1345                 rxq = dev->data->rx_queues[rx_queue_id];
1346
1347                 err = i40evf_switch_queue(dev, TRUE, rx_queue_id, FALSE);
1348
1349                 if (err) {
1350                         PMD_DRV_LOG(ERR, "Failed to switch RX queue %u off",
1351                                     rx_queue_id);
1352                         return err;
1353                 }
1354
1355                 i40e_rx_queue_release_mbufs(rxq);
1356                 i40e_reset_rx_queue(rxq);
1357         }
1358
1359         return 0;
1360 }
1361
1362 static int
1363 i40evf_dev_tx_queue_start(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1364 {
1365         int err = 0;
1366
1367         PMD_INIT_FUNC_TRACE();
1368
1369         if (tx_queue_id < dev->data->nb_tx_queues) {
1370
1371                 /* Ready to switch the queue on */
1372                 err = i40evf_switch_queue(dev, FALSE, tx_queue_id, TRUE);
1373
1374                 if (err)
1375                         PMD_DRV_LOG(ERR, "Failed to switch TX queue %u on",
1376                                     tx_queue_id);
1377         }
1378
1379         return err;
1380 }
1381
1382 static int
1383 i40evf_dev_tx_queue_stop(struct rte_eth_dev *dev, uint16_t tx_queue_id)
1384 {
1385         struct i40e_tx_queue *txq;
1386         int err;
1387
1388         if (tx_queue_id < dev->data->nb_tx_queues) {
1389                 txq = dev->data->tx_queues[tx_queue_id];
1390
1391                 err = i40evf_switch_queue(dev, FALSE, tx_queue_id, FALSE);
1392
1393                 if (err) {
1394                         PMD_DRV_LOG(ERR, "Failed to switch TX queue %u of",
1395                                     tx_queue_id);
1396                         return err;
1397                 }
1398
1399                 i40e_tx_queue_release_mbufs(txq);
1400                 i40e_reset_tx_queue(txq);
1401         }
1402
1403         return 0;
1404 }
1405
1406 static int
1407 i40evf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1408 {
1409         int ret;
1410
1411         if (on)
1412                 ret = i40evf_add_vlan(dev, vlan_id);
1413         else
1414                 ret = i40evf_del_vlan(dev,vlan_id);
1415
1416         return ret;
1417 }
1418
1419 static int
1420 i40evf_rx_init(struct rte_eth_dev *dev)
1421 {
1422         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1423         uint16_t i;
1424         struct i40e_rx_queue **rxq =
1425                 (struct i40e_rx_queue **)dev->data->rx_queues;
1426         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1427
1428         i40evf_config_rss(vf);
1429         for (i = 0; i < dev->data->nb_rx_queues; i++) {
1430                 rxq[i]->qrx_tail = hw->hw_addr + I40E_QRX_TAIL1(i);
1431                 I40E_PCI_REG_WRITE(rxq[i]->qrx_tail, rxq[i]->nb_rx_desc - 1);
1432         }
1433
1434         /* Flush the operation to write registers */
1435         I40EVF_WRITE_FLUSH(hw);
1436
1437         return 0;
1438 }
1439
1440 static void
1441 i40evf_tx_init(struct rte_eth_dev *dev)
1442 {
1443         uint16_t i;
1444         struct i40e_tx_queue **txq =
1445                 (struct i40e_tx_queue **)dev->data->tx_queues;
1446         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1447
1448         for (i = 0; i < dev->data->nb_tx_queues; i++)
1449                 txq[i]->qtx_tail = hw->hw_addr + I40E_QTX_TAIL1(i);
1450 }
1451
1452 static inline void
1453 i40evf_enable_queues_intr(struct i40e_hw *hw)
1454 {
1455         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1),
1456                         I40E_VFINT_DYN_CTLN1_INTENA_MASK |
1457                         I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
1458 }
1459
1460 static inline void
1461 i40evf_disable_queues_intr(struct i40e_hw *hw)
1462 {
1463         I40E_WRITE_REG(hw, I40E_VFINT_DYN_CTLN1(I40EVF_VSI_DEFAULT_MSIX_INTR - 1),
1464                         0);
1465 }
1466
1467 static int
1468 i40evf_dev_start(struct rte_eth_dev *dev)
1469 {
1470         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1471         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1472         struct ether_addr mac_addr;
1473
1474         PMD_INIT_FUNC_TRACE();
1475
1476         vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len;
1477         if (dev->data->dev_conf.rxmode.jumbo_frame == 1) {
1478                 if (vf->max_pkt_len <= ETHER_MAX_LEN ||
1479                         vf->max_pkt_len > I40E_FRAME_SIZE_MAX) {
1480                         PMD_DRV_LOG(ERR, "maximum packet length must "
1481                                     "be larger than %u and smaller than %u,"
1482                                     "as jumbo frame is enabled",
1483                                     (uint32_t)ETHER_MAX_LEN,
1484                                     (uint32_t)I40E_FRAME_SIZE_MAX);
1485                         return I40E_ERR_CONFIG;
1486                 }
1487         } else {
1488                 if (vf->max_pkt_len < ETHER_MIN_LEN ||
1489                         vf->max_pkt_len > ETHER_MAX_LEN) {
1490                         PMD_DRV_LOG(ERR, "maximum packet length must be "
1491                                     "larger than %u and smaller than %u, "
1492                                     "as jumbo frame is disabled",
1493                                     (uint32_t)ETHER_MIN_LEN,
1494                                     (uint32_t)ETHER_MAX_LEN);
1495                         return I40E_ERR_CONFIG;
1496                 }
1497         }
1498
1499         vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues,
1500                                         dev->data->nb_tx_queues);
1501
1502         if (i40evf_rx_init(dev) != 0){
1503                 PMD_DRV_LOG(ERR, "failed to do RX init");
1504                 return -1;
1505         }
1506
1507         i40evf_tx_init(dev);
1508
1509         if (i40evf_configure_queues(dev) != 0) {
1510                 PMD_DRV_LOG(ERR, "configure queues failed");
1511                 goto err_queue;
1512         }
1513         if (i40evf_config_irq_map(dev)) {
1514                 PMD_DRV_LOG(ERR, "config_irq_map failed");
1515                 goto err_queue;
1516         }
1517
1518         /* Set mac addr */
1519         (void)rte_memcpy(mac_addr.addr_bytes, hw->mac.addr,
1520                                 sizeof(mac_addr.addr_bytes));
1521         if (i40evf_add_mac_addr(dev, &mac_addr)) {
1522                 PMD_DRV_LOG(ERR, "Failed to add mac addr");
1523                 goto err_queue;
1524         }
1525
1526         if (i40evf_start_queues(dev) != 0) {
1527                 PMD_DRV_LOG(ERR, "enable queues failed");
1528                 goto err_mac;
1529         }
1530
1531         i40evf_enable_queues_intr(hw);
1532         return 0;
1533
1534 err_mac:
1535         i40evf_del_mac_addr(dev, &mac_addr);
1536 err_queue:
1537         return -1;
1538 }
1539
1540 static void
1541 i40evf_dev_stop(struct rte_eth_dev *dev)
1542 {
1543         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1544
1545         PMD_INIT_FUNC_TRACE();
1546
1547         i40evf_disable_queues_intr(hw);
1548         i40evf_stop_queues(dev);
1549 }
1550
1551 static int
1552 i40evf_dev_link_update(struct rte_eth_dev *dev,
1553                        __rte_unused int wait_to_complete)
1554 {
1555         struct rte_eth_link new_link;
1556         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1557         /*
1558          * DPDK pf host provide interfacet to acquire link status
1559          * while Linux driver does not
1560          */
1561         if (vf->version_major == I40E_DPDK_VERSION_MAJOR)
1562                 i40evf_get_link_status(dev, &new_link);
1563         else {
1564                 /* Always assume it's up, for Linux driver PF host */
1565                 new_link.link_duplex = ETH_LINK_AUTONEG_DUPLEX;
1566                 new_link.link_speed  = ETH_LINK_SPEED_10000;
1567                 new_link.link_status = 1;
1568         }
1569         i40evf_dev_atomic_write_link_status(dev, &new_link);
1570
1571         return 0;
1572 }
1573
1574 static void
1575 i40evf_dev_promiscuous_enable(struct rte_eth_dev *dev)
1576 {
1577         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1578         int ret;
1579
1580         /* If enabled, just return */
1581         if (vf->promisc_unicast_enabled)
1582                 return;
1583
1584         ret = i40evf_config_promisc(dev, 1, vf->promisc_multicast_enabled);
1585         if (ret == 0)
1586                 vf->promisc_unicast_enabled = TRUE;
1587 }
1588
1589 static void
1590 i40evf_dev_promiscuous_disable(struct rte_eth_dev *dev)
1591 {
1592         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1593         int ret;
1594
1595         /* If disabled, just return */
1596         if (!vf->promisc_unicast_enabled)
1597                 return;
1598
1599         ret = i40evf_config_promisc(dev, 0, vf->promisc_multicast_enabled);
1600         if (ret == 0)
1601                 vf->promisc_unicast_enabled = FALSE;
1602 }
1603
1604 static void
1605 i40evf_dev_allmulticast_enable(struct rte_eth_dev *dev)
1606 {
1607         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1608         int ret;
1609
1610         /* If enabled, just return */
1611         if (vf->promisc_multicast_enabled)
1612                 return;
1613
1614         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 1);
1615         if (ret == 0)
1616                 vf->promisc_multicast_enabled = TRUE;
1617 }
1618
1619 static void
1620 i40evf_dev_allmulticast_disable(struct rte_eth_dev *dev)
1621 {
1622         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1623         int ret;
1624
1625         /* If enabled, just return */
1626         if (!vf->promisc_multicast_enabled)
1627                 return;
1628
1629         ret = i40evf_config_promisc(dev, vf->promisc_unicast_enabled, 0);
1630         if (ret == 0)
1631                 vf->promisc_multicast_enabled = FALSE;
1632 }
1633
1634 static void
1635 i40evf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1636 {
1637         struct i40e_vf *vf = I40EVF_DEV_PRIVATE_TO_VF(dev->data->dev_private);
1638
1639         memset(dev_info, 0, sizeof(*dev_info));
1640         dev_info->max_rx_queues = vf->vsi_res->num_queue_pairs;
1641         dev_info->max_tx_queues = vf->vsi_res->num_queue_pairs;
1642         dev_info->min_rx_bufsize = I40E_BUF_SIZE_MIN;
1643         dev_info->max_rx_pktlen = I40E_FRAME_SIZE_MAX;
1644         dev_info->reta_size = ETH_RSS_RETA_SIZE_64;
1645         dev_info->flow_type_rss_offloads = I40E_RSS_OFFLOAD_ALL;
1646
1647         dev_info->default_rxconf = (struct rte_eth_rxconf) {
1648                 .rx_thresh = {
1649                         .pthresh = I40E_DEFAULT_RX_PTHRESH,
1650                         .hthresh = I40E_DEFAULT_RX_HTHRESH,
1651                         .wthresh = I40E_DEFAULT_RX_WTHRESH,
1652                 },
1653                 .rx_free_thresh = I40E_DEFAULT_RX_FREE_THRESH,
1654                 .rx_drop_en = 0,
1655         };
1656
1657         dev_info->default_txconf = (struct rte_eth_txconf) {
1658                 .tx_thresh = {
1659                         .pthresh = I40E_DEFAULT_TX_PTHRESH,
1660                         .hthresh = I40E_DEFAULT_TX_HTHRESH,
1661                         .wthresh = I40E_DEFAULT_TX_WTHRESH,
1662                 },
1663                 .tx_free_thresh = I40E_DEFAULT_TX_FREE_THRESH,
1664                 .tx_rs_thresh = I40E_DEFAULT_TX_RSBIT_THRESH,
1665                 .txq_flags = ETH_TXQ_FLAGS_NOMULTSEGS |
1666                                 ETH_TXQ_FLAGS_NOOFFLOADS,
1667         };
1668 }
1669
1670 static void
1671 i40evf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1672 {
1673         if (i40evf_get_statics(dev, stats))
1674                 PMD_DRV_LOG(ERR, "Get statics failed");
1675 }
1676
1677 static void
1678 i40evf_dev_close(struct rte_eth_dev *dev)
1679 {
1680         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1681
1682         i40evf_dev_stop(dev);
1683         i40evf_reset_vf(hw);
1684         i40e_shutdown_adminq(hw);
1685 }
1686
1687 static int
1688 i40evf_dev_rss_reta_update(struct rte_eth_dev *dev,
1689                            struct rte_eth_rss_reta_entry64 *reta_conf,
1690                            uint16_t reta_size)
1691 {
1692         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1693         uint32_t lut, l;
1694         uint16_t i, j;
1695         uint16_t idx, shift;
1696         uint8_t mask;
1697
1698         if (reta_size != ETH_RSS_RETA_SIZE_64) {
1699                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
1700                         "(%d) doesn't match the number of hardware can "
1701                         "support (%d)\n", reta_size, ETH_RSS_RETA_SIZE_64);
1702                 return -EINVAL;
1703         }
1704
1705         for (i = 0; i < reta_size; i += I40E_4_BIT_WIDTH) {
1706                 idx = i / RTE_RETA_GROUP_SIZE;
1707                 shift = i % RTE_RETA_GROUP_SIZE;
1708                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
1709                                                 I40E_4_BIT_MASK);
1710                 if (!mask)
1711                         continue;
1712                 if (mask == I40E_4_BIT_MASK)
1713                         l = 0;
1714                 else
1715                         l = I40E_READ_REG(hw, I40E_VFQF_HLUT(i >> 2));
1716
1717                 for (j = 0, lut = 0; j < I40E_4_BIT_WIDTH; j++) {
1718                         if (mask & (0x1 << j))
1719                                 lut |= reta_conf[idx].reta[shift + j] <<
1720                                                         (CHAR_BIT * j);
1721                         else
1722                                 lut |= l & (I40E_8_BIT_MASK << (CHAR_BIT * j));
1723                 }
1724                 I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
1725         }
1726
1727         return 0;
1728 }
1729
1730 static int
1731 i40evf_dev_rss_reta_query(struct rte_eth_dev *dev,
1732                           struct rte_eth_rss_reta_entry64 *reta_conf,
1733                           uint16_t reta_size)
1734 {
1735         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1736         uint32_t lut;
1737         uint16_t i, j;
1738         uint16_t idx, shift;
1739         uint8_t mask;
1740
1741         if (reta_size != ETH_RSS_RETA_SIZE_64) {
1742                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
1743                         "(%d) doesn't match the number of hardware can "
1744                         "support (%d)\n", reta_size, ETH_RSS_RETA_SIZE_64);
1745                 return -EINVAL;
1746         }
1747
1748         for (i = 0; i < reta_size; i += I40E_4_BIT_WIDTH) {
1749                 idx = i / RTE_RETA_GROUP_SIZE;
1750                 shift = i % RTE_RETA_GROUP_SIZE;
1751                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
1752                                                 I40E_4_BIT_MASK);
1753                 if (!mask)
1754                         continue;
1755
1756                 lut = I40E_READ_REG(hw, I40E_VFQF_HLUT(i >> 2));
1757                 for (j = 0; j < I40E_4_BIT_WIDTH; j++) {
1758                         if (mask & (0x1 << j))
1759                                 reta_conf[idx].reta[shift + j] =
1760                                         ((lut >> (CHAR_BIT * j)) &
1761                                                 I40E_8_BIT_MASK);
1762                 }
1763         }
1764
1765         return 0;
1766 }
1767
1768 static int
1769 i40evf_hw_rss_hash_set(struct i40e_hw *hw, struct rte_eth_rss_conf *rss_conf)
1770 {
1771         uint32_t *hash_key;
1772         uint8_t hash_key_len;
1773         uint64_t rss_hf, hena;
1774
1775         hash_key = (uint32_t *)(rss_conf->rss_key);
1776         hash_key_len = rss_conf->rss_key_len;
1777         if (hash_key != NULL && hash_key_len >=
1778                 (I40E_VFQF_HKEY_MAX_INDEX + 1) * sizeof(uint32_t)) {
1779                 uint16_t i;
1780
1781                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
1782                         I40E_WRITE_REG(hw, I40E_VFQF_HKEY(i), hash_key[i]);
1783         }
1784
1785         rss_hf = rss_conf->rss_hf;
1786         hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
1787         hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
1788         hena &= ~I40E_RSS_HENA_ALL;
1789         hena |= i40e_config_hena(rss_hf);
1790         I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
1791         I40E_WRITE_REG(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
1792         I40EVF_WRITE_FLUSH(hw);
1793
1794         return 0;
1795 }
1796
1797 static void
1798 i40evf_disable_rss(struct i40e_vf *vf)
1799 {
1800         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
1801         uint64_t hena;
1802
1803         hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
1804         hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
1805         hena &= ~I40E_RSS_HENA_ALL;
1806         I40E_WRITE_REG(hw, I40E_VFQF_HENA(0), (uint32_t)hena);
1807         I40E_WRITE_REG(hw, I40E_VFQF_HENA(1), (uint32_t)(hena >> 32));
1808         I40EVF_WRITE_FLUSH(hw);
1809 }
1810
1811 static int
1812 i40evf_config_rss(struct i40e_vf *vf)
1813 {
1814         struct i40e_hw *hw = I40E_VF_TO_HW(vf);
1815         struct rte_eth_rss_conf rss_conf;
1816         uint32_t i, j, lut = 0, nb_q = (I40E_VFQF_HLUT_MAX_INDEX + 1) * 4;
1817
1818         if (vf->dev_data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) {
1819                 i40evf_disable_rss(vf);
1820                 PMD_DRV_LOG(DEBUG, "RSS not configured\n");
1821                 return 0;
1822         }
1823
1824         /* Fill out the look up table */
1825         for (i = 0, j = 0; i < nb_q; i++, j++) {
1826                 if (j >= vf->num_queue_pairs)
1827                         j = 0;
1828                 lut = (lut << 8) | j;
1829                 if ((i & 3) == 3)
1830                         I40E_WRITE_REG(hw, I40E_VFQF_HLUT(i >> 2), lut);
1831         }
1832
1833         rss_conf = vf->dev_data->dev_conf.rx_adv_conf.rss_conf;
1834         if ((rss_conf.rss_hf & I40E_RSS_OFFLOAD_ALL) == 0) {
1835                 i40evf_disable_rss(vf);
1836                 PMD_DRV_LOG(DEBUG, "No hash flag is set\n");
1837                 return 0;
1838         }
1839
1840         if (rss_conf.rss_key == NULL || rss_conf.rss_key_len < nb_q) {
1841                 /* Calculate the default hash key */
1842                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
1843                         rss_key_default[i] = (uint32_t)rte_rand();
1844                 rss_conf.rss_key = (uint8_t *)rss_key_default;
1845                 rss_conf.rss_key_len = nb_q;
1846         }
1847
1848         return i40evf_hw_rss_hash_set(hw, &rss_conf);
1849 }
1850
1851 static int
1852 i40evf_dev_rss_hash_update(struct rte_eth_dev *dev,
1853                            struct rte_eth_rss_conf *rss_conf)
1854 {
1855         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1856         uint64_t rss_hf = rss_conf->rss_hf & I40E_RSS_OFFLOAD_ALL;
1857         uint64_t hena;
1858
1859         hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
1860         hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
1861         if (!(hena & I40E_RSS_HENA_ALL)) { /* RSS disabled */
1862                 if (rss_hf != 0) /* Enable RSS */
1863                         return -EINVAL;
1864                 return 0;
1865         }
1866
1867         /* RSS enabled */
1868         if (rss_hf == 0) /* Disable RSS */
1869                 return -EINVAL;
1870
1871         return i40evf_hw_rss_hash_set(hw, rss_conf);
1872 }
1873
1874 static int
1875 i40evf_dev_rss_hash_conf_get(struct rte_eth_dev *dev,
1876                              struct rte_eth_rss_conf *rss_conf)
1877 {
1878         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1879         uint32_t *hash_key = (uint32_t *)(rss_conf->rss_key);
1880         uint64_t hena;
1881         uint16_t i;
1882
1883         if (hash_key) {
1884                 for (i = 0; i <= I40E_VFQF_HKEY_MAX_INDEX; i++)
1885                         hash_key[i] = I40E_READ_REG(hw, I40E_VFQF_HKEY(i));
1886                 rss_conf->rss_key_len = i * sizeof(uint32_t);
1887         }
1888         hena = (uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(0));
1889         hena |= ((uint64_t)I40E_READ_REG(hw, I40E_VFQF_HENA(1))) << 32;
1890         rss_conf->rss_hf = i40e_parse_hena(hena);
1891
1892         return 0;
1893 }