drivers/net/i40e/i40e_pf.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2017 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
  43 #include <rte_string_fns.h>
  44 #include <rte_pci.h>
  45 #include <rte_ether.h>
  46 #include <rte_ethdev.h>
  47 #include <rte_memzone.h>
  48 #include <rte_malloc.h>
  49 #include <rte_memcpy.h>
  50
  51 #include "i40e_logs.h"
  52 #include "base/i40e_prototype.h"
  53 #include "base/i40e_adminq_cmd.h"
  54 #include "base/i40e_type.h"
  55 #include "i40e_ethdev.h"
  56 #include "i40e_rxtx.h"
  57 #include "i40e_pf.h"
  58 #include "rte_pmd_i40e.h"
  59
  60 #define I40E_CFG_CRCSTRIP_DEFAULT 1
  61
  62 static int
  63 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
  64                            struct i40e_virtchnl_queue_select *qsel,
  65                            bool on);
  66
  67 /**
  68  * Bind PF queues with VSI and VF.
  69  **/
  70 static int
  71 i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
  72 {
  73         int i;
  74         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
  75         uint16_t vsi_id = vf->vsi->vsi_id;
  76         uint16_t vf_id  = vf->vf_idx;
  77         uint16_t nb_qps = vf->vsi->nb_qps;
  78         uint16_t qbase  = vf->vsi->base_queue;
  79         uint16_t q1, q2;
  80         uint32_t val;
  81
  82         /*
  83          * VF should use scatter range queues. So, it needn't
  84          * to set QBASE in this register.
  85          */
  86         i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vsi_id),
  87                           I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
  88
  89         /* Set to enable VFLAN_QTABLE[] registers valid */
  90         I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id),
  91                 I40E_VPLAN_MAPENA_TXRX_ENA_MASK);
  92
  93         /* map PF queues to VF */
  94         for (i = 0; i < nb_qps; i++) {
  95                 val = ((qbase + i) & I40E_VPLAN_QTABLE_QINDEX_MASK);
  96                 I40E_WRITE_REG(hw, I40E_VPLAN_QTABLE(i, vf_id), val);
  97         }
  98
  99         /* map PF queues to VSI */
 100         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF / 2; i++) {
 101                 if (2 * i > nb_qps - 1)
 102                         q1 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
 103                 else
 104                         q1 = qbase + 2 * i;
 105
 106                 if (2 * i + 1 > nb_qps - 1)
 107                         q2 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
 108                 else
 109                         q2 = qbase + 2 * i + 1;
 110
 111                 val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1;
 112                 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
 113         }
 114         I40E_WRITE_FLUSH(hw);
 115
 116         return I40E_SUCCESS;
 117 }
 118
 119
 120 /**
 121  * Proceed VF reset operation.
 122  */
 123 int
 124 i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
 125 {
 126         uint32_t val, i;
 127         struct i40e_hw *hw;
 128         struct i40e_pf *pf;
 129         uint16_t vf_id, abs_vf_id, vf_msix_num;
 130         int ret;
 131         struct i40e_virtchnl_queue_select qsel;
 132
 133         if (vf == NULL)
 134                 return -EINVAL;
 135
 136         pf = vf->pf;
 137         hw = I40E_PF_TO_HW(vf->pf);
 138         vf_id = vf->vf_idx;
 139         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
 140
 141         /* Notify VF that we are in VFR progress */
 142         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_INPROGRESS);
 143
 144         /*
 145          * If require a SW VF reset, a VFLR interrupt will be generated,
 146          * this function will be called again. To avoid it,
 147          * disable interrupt first.
 148          */
 149         if (do_hw_reset) {
 150                 vf->state = I40E_VF_INRESET;
 151                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 152                 val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 153                 I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 154                 I40E_WRITE_FLUSH(hw);
 155         }
 156
 157 #define VFRESET_MAX_WAIT_CNT 100
 158         /* Wait until VF reset is done */
 159         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 160                 rte_delay_us(10);
 161                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
 162                 if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK)
 163                         break;
 164         }
 165
 166         if (i >= VFRESET_MAX_WAIT_CNT) {
 167                 PMD_DRV_LOG(ERR, "VF reset timeout");
 168                 return -ETIMEDOUT;
 169         }
 170
 171         /* This is not first time to do reset, do cleanup job first */
 172         if (vf->vsi) {
 173                 /* Disable queues */
 174                 memset(&qsel, 0, sizeof(qsel));
 175                 for (i = 0; i < vf->vsi->nb_qps; i++)
 176                         qsel.rx_queues |= 1 << i;
 177                 qsel.tx_queues = qsel.rx_queues;
 178                 ret = i40e_pf_host_switch_queues(vf, &qsel, false);
 179                 if (ret != I40E_SUCCESS) {
 180                         PMD_DRV_LOG(ERR, "Disable VF queues failed");
 181                         return -EFAULT;
 182                 }
 183
 184                 /* Disable VF interrupt setting */
 185                 vf_msix_num = hw->func_caps.num_msix_vectors_vf;
 186                 for (i = 0; i < vf_msix_num; i++) {
 187                         if (!i)
 188                                 val = I40E_VFINT_DYN_CTL0(vf_id);
 189                         else
 190                                 val = I40E_VFINT_DYN_CTLN(((vf_msix_num - 1) *
 191                                                         (vf_id)) + (i - 1));
 192                         I40E_WRITE_REG(hw, val, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
 193                 }
 194                 I40E_WRITE_FLUSH(hw);
 195
 196                 /* remove VSI */
 197                 ret = i40e_vsi_release(vf->vsi);
 198                 if (ret != I40E_SUCCESS) {
 199                         PMD_DRV_LOG(ERR, "Release VSI failed");
 200                         return -EFAULT;
 201                 }
 202         }
 203
 204 #define I40E_VF_PCI_ADDR  0xAA
 205 #define I40E_VF_PEND_MASK 0x20
 206         /* Check the pending transactions of this VF */
 207         /* Use absolute VF id, refer to datasheet for details */
 208         I40E_WRITE_REG(hw, I40E_PF_PCI_CIAA, I40E_VF_PCI_ADDR |
 209                 (abs_vf_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
 210         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 211                 rte_delay_us(1);
 212                 val = I40E_READ_REG(hw, I40E_PF_PCI_CIAD);
 213                 if ((val & I40E_VF_PEND_MASK) == 0)
 214                         break;
 215         }
 216
 217         if (i >= VFRESET_MAX_WAIT_CNT) {
 218                 PMD_DRV_LOG(ERR, "Wait VF PCI transaction end timeout");
 219                 return -ETIMEDOUT;
 220         }
 221
 222         /* Reset done, Set COMPLETE flag and clear reset bit */
 223         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_COMPLETED);
 224         val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 225         val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 226         I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 227         vf->reset_cnt++;
 228         I40E_WRITE_FLUSH(hw);
 229
 230         /* Allocate resource again */
 231         if (pf->floating_veb && pf->floating_veb_list[vf_id]) {
 232                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
 233                                          NULL, vf->vf_idx);
 234         } else {
 235                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
 236                                          vf->pf->main_vsi, vf->vf_idx);
 237         }
 238
 239         if (vf->vsi == NULL) {
 240                 PMD_DRV_LOG(ERR, "Add vsi failed");
 241                 return -EFAULT;
 242         }
 243
 244         ret = i40e_pf_vf_queues_mapping(vf);
 245         if (ret != I40E_SUCCESS) {
 246                 PMD_DRV_LOG(ERR, "queue mapping error");
 247                 i40e_vsi_release(vf->vsi);
 248                 return -EFAULT;
 249         }
 250
 251         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), I40E_VFR_VFACTIVE);
 252
 253         return ret;
 254 }
 255
 256 int
 257 i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
 258                             uint32_t opcode,
 259                             uint32_t retval,
 260                             uint8_t *msg,
 261                             uint16_t msglen)
 262 {
 263         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 264         uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx;
 265         int ret;
 266
 267         ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
 268                                                 msg, msglen, NULL);
 269         if (ret) {
 270                 PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
 271                              hw->aq.asq_last_status);
 272         }
 273
 274         return ret;
 275 }
 276
 277 static void
 278 i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, bool b_op)
 279 {
 280         struct i40e_virtchnl_version_info info;
 281
 282         /* Respond like a Linux PF host in order to support both DPDK VF and
 283          * Linux VF driver. The expense is original DPDK host specific feature
 284          * like CFG_VLAN_PVID and CONFIG_VSI_QUEUES_EXT will not available.
 285          *
 286          * DPDK VF also can't identify host driver by version number returned.
 287          * It always assume talking with Linux PF.
 288          */
 289         info.major = I40E_VIRTCHNL_VERSION_MAJOR;
 290         info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
 291
 292         if (b_op)
 293                 i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
 294                                             I40E_SUCCESS,
 295                                             (uint8_t *)&info,
 296                                             sizeof(info));
 297         else
 298                 i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
 299                                             I40E_NOT_SUPPORTED,
 300                                             (uint8_t *)&info,
 301                                             sizeof(info));
 302 }
 303
 304 static int
 305 i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf)
 306 {
 307         i40e_pf_host_vf_reset(vf, 1);
 308
 309         /* No feedback will be sent to VF for VFLR */
 310         return I40E_SUCCESS;
 311 }
 312
 313 static int
 314 i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, bool b_op)
 315 {
 316         struct i40e_virtchnl_vf_resource *vf_res = NULL;
 317         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 318         uint32_t len = 0;
 319         int ret = I40E_SUCCESS;
 320
 321         if (!b_op) {
 322                 i40e_pf_host_send_msg_to_vf(vf,
 323                                             I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
 324                                             I40E_NOT_SUPPORTED, NULL, 0);
 325                 return ret;
 326         }
 327
 328         /* only have 1 VSI by default */
 329         len =  sizeof(struct i40e_virtchnl_vf_resource) +
 330                                 I40E_DEFAULT_VF_VSI_NUM *
 331                 sizeof(struct i40e_virtchnl_vsi_resource);
 332
 333         vf_res = rte_zmalloc("i40e_vf_res", len, 0);
 334         if (vf_res == NULL) {
 335                 PMD_DRV_LOG(ERR, "failed to allocate mem");
 336                 ret = I40E_ERR_NO_MEMORY;
 337                 vf_res = NULL;
 338                 len = 0;
 339                 goto send_msg;
 340         }
 341
 342         vf_res->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2 |
 343                                 I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
 344         vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf;
 345         vf_res->num_queue_pairs = vf->vsi->nb_qps;
 346         vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM;
 347
 348         /* Change below setting if PF host can support more VSIs for VF */
 349         vf_res->vsi_res[0].vsi_type = I40E_VSI_SRIOV;
 350         vf_res->vsi_res[0].vsi_id = vf->vsi->vsi_id;
 351         vf_res->vsi_res[0].num_queue_pairs = vf->vsi->nb_qps;
 352         ether_addr_copy(&vf->mac_addr,
 353                 (struct ether_addr *)vf_res->vsi_res[0].default_mac_addr);
 354
 355 send_msg:
 356         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
 357                                         ret, (uint8_t *)vf_res, len);
 358         rte_free(vf_res);
 359
 360         return ret;
 361 }
 362
 363 static int
 364 i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
 365                             struct i40e_pf_vf *vf,
 366                             struct i40e_virtchnl_rxq_info *rxq,
 367                             uint8_t crcstrip)
 368 {
 369         int err = I40E_SUCCESS;
 370         struct i40e_hmc_obj_rxq rx_ctx;
 371         uint16_t abs_queue_id = vf->vsi->base_queue + rxq->queue_id;
 372
 373         /* Clear the context structure first */
 374         memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
 375         rx_ctx.dbuff = rxq->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
 376         rx_ctx.hbuff = rxq->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
 377         rx_ctx.base = rxq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 378         rx_ctx.qlen = rxq->ring_len;
 379 #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
 380         rx_ctx.dsize = 1;
 381 #endif
 382
 383         if (rxq->splithdr_enabled) {
 384                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL;
 385                 rx_ctx.dtype = i40e_header_split_enabled;
 386         } else {
 387                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
 388                 rx_ctx.dtype = i40e_header_split_none;
 389         }
 390         rx_ctx.rxmax = rxq->max_pkt_size;
 391         rx_ctx.tphrdesc_ena = 1;
 392         rx_ctx.tphwdesc_ena = 1;
 393         rx_ctx.tphdata_ena = 1;
 394         rx_ctx.tphhead_ena = 1;
 395         rx_ctx.lrxqthresh = 2;
 396         rx_ctx.crcstrip = crcstrip;
 397         rx_ctx.l2tsel = 1;
 398         rx_ctx.prefena = 1;
 399
 400         err = i40e_clear_lan_rx_queue_context(hw, abs_queue_id);
 401         if (err != I40E_SUCCESS)
 402                 return err;
 403         err = i40e_set_lan_rx_queue_context(hw, abs_queue_id, &rx_ctx);
 404
 405         return err;
 406 }
 407
 408 static int
 409 i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
 410                             struct i40e_pf_vf *vf,
 411                             struct i40e_virtchnl_txq_info *txq)
 412 {
 413         int err = I40E_SUCCESS;
 414         struct i40e_hmc_obj_txq tx_ctx;
 415         uint32_t qtx_ctl;
 416         uint16_t abs_queue_id = vf->vsi->base_queue + txq->queue_id;
 417
 418
 419         /* clear the context structure first */
 420         memset(&tx_ctx, 0, sizeof(tx_ctx));
 421         tx_ctx.base = txq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 422         tx_ctx.qlen = txq->ring_len;
 423         tx_ctx.rdylist = rte_le_to_cpu_16(vf->vsi->info.qs_handle[0]);
 424         tx_ctx.head_wb_ena = txq->headwb_enabled;
 425         tx_ctx.head_wb_addr = txq->dma_headwb_addr;
 426
 427         err = i40e_clear_lan_tx_queue_context(hw, abs_queue_id);
 428         if (err != I40E_SUCCESS)
 429                 return err;
 430
 431         err = i40e_set_lan_tx_queue_context(hw, abs_queue_id, &tx_ctx);
 432         if (err != I40E_SUCCESS)
 433                 return err;
 434
 435         /* bind queue with VF function, since TX/QX will appear in pair,
 436          * so only has QTX_CTL to set.
 437          */
 438         qtx_ctl = (I40E_QTX_CTL_VF_QUEUE << I40E_QTX_CTL_PFVF_Q_SHIFT) |
 439                                 ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) &
 440                                 I40E_QTX_CTL_PF_INDX_MASK) |
 441                                 (((vf->vf_idx + hw->func_caps.vf_base_id) <<
 442                                 I40E_QTX_CTL_VFVM_INDX_SHIFT) &
 443                                 I40E_QTX_CTL_VFVM_INDX_MASK);
 444         I40E_WRITE_REG(hw, I40E_QTX_CTL(abs_queue_id), qtx_ctl);
 445         I40E_WRITE_FLUSH(hw);
 446
 447         return I40E_SUCCESS;
 448 }
 449
 450 static int
 451 i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 452                                            uint8_t *msg,
 453                                            uint16_t msglen,
 454                                            bool b_op)
 455 {
 456         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 457         struct i40e_vsi *vsi = vf->vsi;
 458         struct i40e_virtchnl_vsi_queue_config_info *vc_vqci =
 459                 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
 460         struct i40e_virtchnl_queue_pair_info *vc_qpi;
 461         int i, ret = I40E_SUCCESS;
 462
 463         if (!b_op) {
 464                 i40e_pf_host_send_msg_to_vf(vf,
 465                                             I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 466                                             I40E_NOT_SUPPORTED, NULL, 0);
 467                 return ret;
 468         }
 469
 470         if (!msg || vc_vqci->num_queue_pairs > vsi->nb_qps ||
 471                 vc_vqci->num_queue_pairs > I40E_MAX_VSI_QP ||
 472                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci,
 473                                         vc_vqci->num_queue_pairs)) {
 474                 PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong\n");
 475                 ret = I40E_ERR_PARAM;
 476                 goto send_msg;
 477         }
 478
 479         vc_qpi = vc_vqci->qpair;
 480         for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
 481                 if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
 482                         vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
 483                         ret = I40E_ERR_PARAM;
 484                         goto send_msg;
 485                 }
 486
 487                 /*
 488                  * Apply VF RX queue setting to HMC.
 489                  * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 490                  * then the extra information of
 491                  * 'struct i40e_virtchnl_queue_pair_extra_info' is needed,
 492                  * otherwise set the last parameter to NULL.
 493                  */
 494                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
 495                         I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) {
 496                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 497                         ret = I40E_ERR_PARAM;
 498                         goto send_msg;
 499                 }
 500
 501                 /* Apply VF TX queue setting to HMC */
 502                 if (i40e_pf_host_hmc_config_txq(hw, vf,
 503                         &vc_qpi[i].txq) != I40E_SUCCESS) {
 504                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 505                         ret = I40E_ERR_PARAM;
 506                         goto send_msg;
 507                 }
 508         }
 509
 510 send_msg:
 511         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 512                                                         ret, NULL, 0);
 513
 514         return ret;
 515 }
 516
 517 static int
 518 i40e_pf_host_process_cmd_config_vsi_queues_ext(struct i40e_pf_vf *vf,
 519                                                uint8_t *msg,
 520                                                uint16_t msglen,
 521                                                bool b_op)
 522 {
 523         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 524         struct i40e_vsi *vsi = vf->vsi;
 525         struct i40e_virtchnl_vsi_queue_config_ext_info *vc_vqcei =
 526                 (struct i40e_virtchnl_vsi_queue_config_ext_info *)msg;
 527         struct i40e_virtchnl_queue_pair_ext_info *vc_qpei;
 528         int i, ret = I40E_SUCCESS;
 529
 530         if (!b_op) {
 531                 i40e_pf_host_send_msg_to_vf(
 532                         vf,
 533                         I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 534                         I40E_NOT_SUPPORTED, NULL, 0);
 535                 return ret;
 536         }
 537
 538         if (!msg || vc_vqcei->num_queue_pairs > vsi->nb_qps ||
 539                 vc_vqcei->num_queue_pairs > I40E_MAX_VSI_QP ||
 540                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqcei,
 541                                         vc_vqcei->num_queue_pairs)) {
 542                 PMD_DRV_LOG(ERR, "vsi_queue_config_ext_info argument wrong\n");
 543                 ret = I40E_ERR_PARAM;
 544                 goto send_msg;
 545         }
 546
 547         vc_qpei = vc_vqcei->qpair;
 548         for (i = 0; i < vc_vqcei->num_queue_pairs; i++) {
 549                 if (vc_qpei[i].rxq.queue_id > vsi->nb_qps - 1 ||
 550                         vc_qpei[i].txq.queue_id > vsi->nb_qps - 1) {
 551                         ret = I40E_ERR_PARAM;
 552                         goto send_msg;
 553                 }
 554                 /*
 555                  * Apply VF RX queue setting to HMC.
 556                  * If the opcode is I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 557                  * then the extra information of
 558                  * 'struct i40e_virtchnl_queue_pair_ext_info' is needed,
 559                  * otherwise set the last parameter to NULL.
 560                  */
 561                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpei[i].rxq,
 562                         vc_qpei[i].rxq_ext.crcstrip) != I40E_SUCCESS) {
 563                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 564                         ret = I40E_ERR_PARAM;
 565                         goto send_msg;
 566                 }
 567
 568                 /* Apply VF TX queue setting to HMC */
 569                 if (i40e_pf_host_hmc_config_txq(hw, vf, &vc_qpei[i].txq) !=
 570                                                         I40E_SUCCESS) {
 571                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 572                         ret = I40E_ERR_PARAM;
 573                         goto send_msg;
 574                 }
 575         }
 576
 577 send_msg:
 578         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 579                                                                 ret, NULL, 0);
 580
 581         return ret;
 582 }
 583
 584 static int
 585 i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
 586                                         uint8_t *msg, uint16_t msglen,
 587                                         bool b_op)
 588 {
 589         int ret = I40E_SUCCESS;
 590         struct i40e_virtchnl_irq_map_info *irqmap =
 591             (struct i40e_virtchnl_irq_map_info *)msg;
 592
 593         if (!b_op) {
 594                 i40e_pf_host_send_msg_to_vf(
 595                         vf,
 596                         I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
 597                         I40E_NOT_SUPPORTED, NULL, 0);
 598                 return ret;
 599         }
 600
 601         if (msg == NULL || msglen < sizeof(struct i40e_virtchnl_irq_map_info)) {
 602                 PMD_DRV_LOG(ERR, "buffer too short");
 603                 ret = I40E_ERR_PARAM;
 604                 goto send_msg;
 605         }
 606
 607         /* Assume VF only have 1 vector to bind all queues */
 608         if (irqmap->num_vectors != 1) {
 609                 PMD_DRV_LOG(ERR, "DKDK host only support 1 vector");
 610                 ret = I40E_ERR_PARAM;
 611                 goto send_msg;
 612         }
 613
 614         /* This MSIX intr store the intr in VF range */
 615         vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
 616         vf->vsi->nb_msix = irqmap->num_vectors;
 617         vf->vsi->nb_used_qps = vf->vsi->nb_qps;
 618
 619         /* Don't care how the TX/RX queue mapping with this vector.
 620          * Link all VF RX queues together. Only did mapping work.
 621          * VF can disable/enable the intr by itself.
 622          */
 623         i40e_vsi_queues_bind_intr(vf->vsi);
 624 send_msg:
 625         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
 626                                                         ret, NULL, 0);
 627
 628         return ret;
 629 }
 630
 631 static int
 632 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
 633                            struct i40e_virtchnl_queue_select *qsel,
 634                            bool on)
 635 {
 636         int ret = I40E_SUCCESS;
 637         int i;
 638         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 639         uint16_t baseq = vf->vsi->base_queue;
 640
 641         if (qsel->rx_queues + qsel->tx_queues == 0)
 642                 return I40E_ERR_PARAM;
 643
 644         /* always enable RX first and disable last */
 645         /* Enable RX if it's enable */
 646         if (on) {
 647                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 648                         if (qsel->rx_queues & (1 << i)) {
 649                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 650                                 if (ret != I40E_SUCCESS)
 651                                         return ret;
 652                         }
 653         }
 654
 655         /* Enable/Disable TX */
 656         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 657                 if (qsel->tx_queues & (1 << i)) {
 658                         ret = i40e_switch_tx_queue(hw, baseq + i, on);
 659                         if (ret != I40E_SUCCESS)
 660                                 return ret;
 661                 }
 662
 663         /* disable RX last if it's disable */
 664         if (!on) {
 665                 /* disable RX */
 666                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 667                         if (qsel->rx_queues & (1 << i)) {
 668                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 669                                 if (ret != I40E_SUCCESS)
 670                                         return ret;
 671                         }
 672         }
 673
 674         return ret;
 675 }
 676
 677 static int
 678 i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf,
 679                                        uint8_t *msg,
 680                                        uint16_t msglen)
 681 {
 682         int ret = I40E_SUCCESS;
 683         struct i40e_virtchnl_queue_select *q_sel =
 684                 (struct i40e_virtchnl_queue_select *)msg;
 685
 686         if (msg == NULL || msglen != sizeof(*q_sel)) {
 687                 ret = I40E_ERR_PARAM;
 688                 goto send_msg;
 689         }
 690         ret = i40e_pf_host_switch_queues(vf, q_sel, true);
 691
 692 send_msg:
 693         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
 694                                                         ret, NULL, 0);
 695
 696         return ret;
 697 }
 698
 699 static int
 700 i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf,
 701                                         uint8_t *msg,
 702                                         uint16_t msglen,
 703                                         bool b_op)
 704 {
 705         int ret = I40E_SUCCESS;
 706         struct i40e_virtchnl_queue_select *q_sel =
 707                 (struct i40e_virtchnl_queue_select *)msg;
 708
 709         if (!b_op) {
 710                 i40e_pf_host_send_msg_to_vf(
 711                         vf,
 712                         I40E_VIRTCHNL_OP_DISABLE_QUEUES,
 713                         I40E_NOT_SUPPORTED, NULL, 0);
 714                 return ret;
 715         }
 716
 717         if (msg == NULL || msglen != sizeof(*q_sel)) {
 718                 ret = I40E_ERR_PARAM;
 719                 goto send_msg;
 720         }
 721         ret = i40e_pf_host_switch_queues(vf, q_sel, false);
 722
 723 send_msg:
 724         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
 725                                                         ret, NULL, 0);
 726
 727         return ret;
 728 }
 729
 730
 731 static int
 732 i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
 733                                            uint8_t *msg,
 734                                            uint16_t msglen,
 735                                            bool b_op)
 736 {
 737         int ret = I40E_SUCCESS;
 738         struct i40e_virtchnl_ether_addr_list *addr_list =
 739                         (struct i40e_virtchnl_ether_addr_list *)msg;
 740         struct i40e_mac_filter_info filter;
 741         int i;
 742         struct ether_addr *mac;
 743
 744         if (!b_op) {
 745                 i40e_pf_host_send_msg_to_vf(
 746                         vf,
 747                         I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
 748                         I40E_NOT_SUPPORTED, NULL, 0);
 749                 return ret;
 750         }
 751
 752         memset(&filter, 0 , sizeof(struct i40e_mac_filter_info));
 753
 754         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 755                 PMD_DRV_LOG(ERR, "add_ether_address argument too short");
 756                 ret = I40E_ERR_PARAM;
 757                 goto send_msg;
 758         }
 759
 760         for (i = 0; i < addr_list->num_elements; i++) {
 761                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 762                 (void)rte_memcpy(&filter.mac_addr, mac, ETHER_ADDR_LEN);
 763                 filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
 764                 if (is_zero_ether_addr(mac) ||
 765                     i40e_vsi_add_mac(vf->vsi, &filter)) {
 766                         ret = I40E_ERR_INVALID_MAC_ADDR;
 767                         goto send_msg;
 768                 }
 769         }
 770
 771 send_msg:
 772         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
 773                                                         ret, NULL, 0);
 774
 775         return ret;
 776 }
 777
 778 static int
 779 i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf,
 780                                            uint8_t *msg,
 781                                            uint16_t msglen,
 782                                            bool b_op)
 783 {
 784         int ret = I40E_SUCCESS;
 785         struct i40e_virtchnl_ether_addr_list *addr_list =
 786                 (struct i40e_virtchnl_ether_addr_list *)msg;
 787         int i;
 788         struct ether_addr *mac;
 789
 790         if (!b_op) {
 791                 i40e_pf_host_send_msg_to_vf(
 792                         vf,
 793                         I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
 794                         I40E_NOT_SUPPORTED, NULL, 0);
 795                 return ret;
 796         }
 797
 798         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 799                 PMD_DRV_LOG(ERR, "delete_ether_address argument too short");
 800                 ret = I40E_ERR_PARAM;
 801                 goto send_msg;
 802         }
 803
 804         for (i = 0; i < addr_list->num_elements; i++) {
 805                 mac = (struct ether_addr *)(addr_list->list[i].addr);
 806                 if(!is_valid_assigned_ether_addr(mac) ||
 807                         i40e_vsi_delete_mac(vf->vsi, mac)) {
 808                         ret = I40E_ERR_INVALID_MAC_ADDR;
 809                         goto send_msg;
 810                 }
 811         }
 812
 813 send_msg:
 814         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
 815                                                         ret, NULL, 0);
 816
 817         return ret;
 818 }
 819
 820 static int
 821 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
 822                                 uint8_t *msg, uint16_t msglen,
 823                                 bool b_op)
 824 {
 825         int ret = I40E_SUCCESS;
 826         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 827                 (struct i40e_virtchnl_vlan_filter_list *)msg;
 828         int i;
 829         uint16_t *vid;
 830
 831         if (!b_op) {
 832                 i40e_pf_host_send_msg_to_vf(
 833                         vf,
 834                         I40E_VIRTCHNL_OP_ADD_VLAN,
 835                         I40E_NOT_SUPPORTED, NULL, 0);
 836                 return ret;
 837         }
 838
 839         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 840                 PMD_DRV_LOG(ERR, "add_vlan argument too short");
 841                 ret = I40E_ERR_PARAM;
 842                 goto send_msg;
 843         }
 844
 845         vid = vlan_filter_list->vlan_id;
 846
 847         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 848                 ret = i40e_vsi_add_vlan(vf->vsi, vid[i]);
 849                 if(ret != I40E_SUCCESS)
 850                         goto send_msg;
 851         }
 852
 853 send_msg:
 854         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN,
 855                                                 ret, NULL, 0);
 856
 857         return ret;
 858 }
 859
 860 static int
 861 i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf,
 862                                   uint8_t *msg,
 863                                   uint16_t msglen,
 864                                   bool b_op)
 865 {
 866         int ret = I40E_SUCCESS;
 867         struct i40e_virtchnl_vlan_filter_list *vlan_filter_list =
 868                         (struct i40e_virtchnl_vlan_filter_list *)msg;
 869         int i;
 870         uint16_t *vid;
 871
 872         if (!b_op) {
 873                 i40e_pf_host_send_msg_to_vf(
 874                         vf,
 875                         I40E_VIRTCHNL_OP_DEL_VLAN,
 876                         I40E_NOT_SUPPORTED, NULL, 0);
 877                 return ret;
 878         }
 879
 880         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 881                 PMD_DRV_LOG(ERR, "delete_vlan argument too short");
 882                 ret = I40E_ERR_PARAM;
 883                 goto send_msg;
 884         }
 885
 886         vid = vlan_filter_list->vlan_id;
 887         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 888                 ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]);
 889                 if(ret != I40E_SUCCESS)
 890                         goto send_msg;
 891         }
 892
 893 send_msg:
 894         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN,
 895                                                 ret, NULL, 0);
 896
 897         return ret;
 898 }
 899
 900 static int
 901 i40e_pf_host_process_cmd_config_promisc_mode(
 902                                         struct i40e_pf_vf *vf,
 903                                         uint8_t *msg,
 904                                         uint16_t msglen,
 905                                         bool b_op)
 906 {
 907         int ret = I40E_SUCCESS;
 908         struct i40e_virtchnl_promisc_info *promisc =
 909                                 (struct i40e_virtchnl_promisc_info *)msg;
 910         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 911         bool unicast = FALSE, multicast = FALSE;
 912
 913         if (!b_op) {
 914                 i40e_pf_host_send_msg_to_vf(
 915                         vf,
 916                         I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
 917                         I40E_NOT_SUPPORTED, NULL, 0);
 918                 return ret;
 919         }
 920
 921         if (msg == NULL || msglen != sizeof(*promisc)) {
 922                 ret = I40E_ERR_PARAM;
 923                 goto send_msg;
 924         }
 925
 926         if (promisc->flags & I40E_FLAG_VF_UNICAST_PROMISC)
 927                 unicast = TRUE;
 928         ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
 929                         vf->vsi->seid, unicast, NULL, true);
 930         if (ret != I40E_SUCCESS)
 931                 goto send_msg;
 932
 933         if (promisc->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
 934                 multicast = TRUE;
 935         ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
 936                                                 multicast, NULL);
 937
 938 send_msg:
 939         i40e_pf_host_send_msg_to_vf(vf,
 940                 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
 941
 942         return ret;
 943 }
 944
 945 static int
 946 i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf, bool b_op)
 947 {
 948         i40e_update_vsi_stats(vf->vsi);
 949
 950         if (b_op)
 951                 i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS,
 952                                             I40E_SUCCESS,
 953                                             (uint8_t *)&vf->vsi->eth_stats,
 954                                             sizeof(vf->vsi->eth_stats));
 955         else
 956                 i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS,
 957                                             I40E_NOT_SUPPORTED,
 958                                             (uint8_t *)&vf->vsi->eth_stats,
 959                                             sizeof(vf->vsi->eth_stats));
 960
 961         return I40E_SUCCESS;
 962 }
 963
 964 static int
 965 i40e_pf_host_process_cmd_cfg_vlan_offload(
 966                                         struct i40e_pf_vf *vf,
 967                                         uint8_t *msg,
 968                                         uint16_t msglen,
 969                                         bool b_op)
 970 {
 971         int ret = I40E_SUCCESS;
 972         struct i40e_virtchnl_vlan_offload_info *offload =
 973                         (struct i40e_virtchnl_vlan_offload_info *)msg;
 974
 975         if (!b_op) {
 976                 i40e_pf_host_send_msg_to_vf(
 977                         vf,
 978                         I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
 979                         I40E_NOT_SUPPORTED, NULL, 0);
 980                 return ret;
 981         }
 982
 983         if (msg == NULL || msglen != sizeof(*offload)) {
 984                 ret = I40E_ERR_PARAM;
 985                 goto send_msg;
 986         }
 987
 988         ret = i40e_vsi_config_vlan_stripping(vf->vsi,
 989                                                 !!offload->enable_vlan_strip);
 990         if (ret != 0)
 991                 PMD_DRV_LOG(ERR, "Failed to configure vlan stripping");
 992
 993 send_msg:
 994         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD,
 995                                         ret, NULL, 0);
 996
 997         return ret;
 998 }
 999
1000 static int
1001 i40e_pf_host_process_cmd_cfg_pvid(struct i40e_pf_vf *vf,
1002                                         uint8_t *msg,
1003                                         uint16_t msglen,
1004                                         bool b_op)
1005 {
1006         int ret = I40E_SUCCESS;
1007         struct i40e_virtchnl_pvid_info  *tpid_info =
1008                         (struct i40e_virtchnl_pvid_info *)msg;
1009
1010         if (!b_op) {
1011                 i40e_pf_host_send_msg_to_vf(
1012                         vf,
1013                         I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
1014                         I40E_NOT_SUPPORTED, NULL, 0);
1015                 return ret;
1016         }
1017
1018         if (msg == NULL || msglen != sizeof(*tpid_info)) {
1019                 ret = I40E_ERR_PARAM;
1020                 goto send_msg;
1021         }
1022
1023         ret = i40e_vsi_vlan_pvid_set(vf->vsi, &tpid_info->info);
1024
1025 send_msg:
1026         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_CFG_VLAN_PVID,
1027                                         ret, NULL, 0);
1028
1029         return ret;
1030 }
1031
1032 void
1033 i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
1034 {
1035         struct i40e_virtchnl_pf_event event;
1036
1037         event.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
1038         event.event_data.link_event.link_status =
1039                 dev->data->dev_link.link_status;
1040         event.event_data.link_event.link_speed =
1041                 (enum i40e_aq_link_speed)dev->data->dev_link.link_speed;
1042         i40e_pf_host_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_EVENT,
1043                 I40E_SUCCESS, (uint8_t *)&event, sizeof(event));
1044 }
1045
1046 void
1047 i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
1048                            uint16_t abs_vf_id, uint32_t opcode,
1049                            __rte_unused uint32_t retval,
1050                            uint8_t *msg,
1051                            uint16_t msglen)
1052 {
1053         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1054         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1055         struct i40e_pf_vf *vf;
1056         /* AdminQ will pass absolute VF id, transfer to internal vf id */
1057         uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id;
1058         struct rte_pmd_i40e_mb_event_param cb_param;
1059         bool b_op = TRUE;
1060
1061         if (vf_id > pf->vf_num - 1 || !pf->vfs) {
1062                 PMD_DRV_LOG(ERR, "invalid argument");
1063                 return;
1064         }
1065
1066         vf = &pf->vfs[vf_id];
1067         if (!vf->vsi) {
1068                 PMD_DRV_LOG(ERR, "NO VSI associated with VF found");
1069                 i40e_pf_host_send_msg_to_vf(vf, opcode,
1070                         I40E_ERR_NO_AVAILABLE_VSI, NULL, 0);
1071                 return;
1072         }
1073
1074         /**
1075          * initialise structure to send to user application
1076          * will return response from user in retval field
1077          */
1078         cb_param.retval = RTE_PMD_I40E_MB_EVENT_PROCEED;
1079         cb_param.vfid = vf_id;
1080         cb_param.msg_type = opcode;
1081         cb_param.msg = (void *)msg;
1082         cb_param.msglen = msglen;
1083
1084         /**
1085          * Ask user application if we're allowed to perform those functions.
1086          * If we get cb_param.retval == RTE_PMD_I40E_MB_EVENT_PROCEED,
1087          * then business as usual.
1088          * If RTE_PMD_I40E_MB_EVENT_NOOP_ACK or RTE_PMD_I40E_MB_EVENT_NOOP_NACK,
1089          * do nothing and send not_supported to VF. As PF must send a response
1090          * to VF and ACK/NACK is not defined.
1091          */
1092         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX, &cb_param);
1093         if (cb_param.retval != RTE_PMD_I40E_MB_EVENT_PROCEED) {
1094                 PMD_DRV_LOG(WARNING, "VF to PF message(%d) is not permitted!",
1095                             opcode);
1096                 b_op = FALSE;
1097         }
1098
1099         switch (opcode) {
1100         case I40E_VIRTCHNL_OP_VERSION :
1101                 PMD_DRV_LOG(INFO, "OP_VERSION received");
1102                 i40e_pf_host_process_cmd_version(vf, b_op);
1103                 break;
1104         case I40E_VIRTCHNL_OP_RESET_VF :
1105                 PMD_DRV_LOG(INFO, "OP_RESET_VF received");
1106                 i40e_pf_host_process_cmd_reset_vf(vf);
1107                 break;
1108         case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1109                 PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
1110                 i40e_pf_host_process_cmd_get_vf_resource(vf, b_op);
1111                 break;
1112         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1113                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
1114                 i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
1115                                                            msglen, b_op);
1116                 break;
1117         case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT:
1118                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES_EXT received");
1119                 i40e_pf_host_process_cmd_config_vsi_queues_ext(vf, msg,
1120                                                                msglen, b_op);
1121                 break;
1122         case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1123                 PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
1124                 i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen, b_op);
1125                 break;
1126         case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1127                 PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
1128                 if (b_op) {
1129                         i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
1130                         i40e_notify_vf_link_status(dev, vf);
1131                 } else {
1132                         i40e_pf_host_send_msg_to_vf(
1133                                 vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1134                                 I40E_NOT_SUPPORTED, NULL, 0);
1135                 }
1136                 break;
1137         case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1138                 PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
1139                 i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen, b_op);
1140                 break;
1141         case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1142                 PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
1143                 i40e_pf_host_process_cmd_add_ether_address(vf, msg,
1144                                                            msglen, b_op);
1145                 break;
1146         case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1147                 PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
1148                 i40e_pf_host_process_cmd_del_ether_address(vf, msg,
1149                                                            msglen, b_op);
1150                 break;
1151         case I40E_VIRTCHNL_OP_ADD_VLAN:
1152                 PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
1153                 i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen, b_op);
1154                 break;
1155         case I40E_VIRTCHNL_OP_DEL_VLAN:
1156                 PMD_DRV_LOG(INFO, "OP_DEL_VLAN received");
1157                 i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen, b_op);
1158                 break;
1159         case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1160                 PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received");
1161                 i40e_pf_host_process_cmd_config_promisc_mode(vf, msg,
1162                                                              msglen, b_op);
1163                 break;
1164         case I40E_VIRTCHNL_OP_GET_STATS:
1165                 PMD_DRV_LOG(INFO, "OP_GET_STATS received");
1166                 i40e_pf_host_process_cmd_get_stats(vf, b_op);
1167                 break;
1168         case I40E_VIRTCHNL_OP_CFG_VLAN_OFFLOAD:
1169                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_OFFLOAD received");
1170                 i40e_pf_host_process_cmd_cfg_vlan_offload(vf, msg,
1171                                                           msglen, b_op);
1172                 break;
1173         case I40E_VIRTCHNL_OP_CFG_VLAN_PVID:
1174                 PMD_DRV_LOG(INFO, "OP_CFG_VLAN_PVID received");
1175                 i40e_pf_host_process_cmd_cfg_pvid(vf, msg, msglen, b_op);
1176                 break;
1177         /* Don't add command supported below, which will
1178          * return an error code.
1179          */
1180         default:
1181                 PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
1182                 i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
1183                                                                 NULL, 0);
1184                 break;
1185         }
1186 }
1187
1188 int
1189 i40e_pf_host_init(struct rte_eth_dev *dev)
1190 {
1191         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1192         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1193         int ret, i;
1194         uint32_t val;
1195
1196         PMD_INIT_FUNC_TRACE();
1197
1198         /**
1199          * return if SRIOV not enabled, VF number not configured or
1200          * no queue assigned.
1201          */
1202         if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
1203                 return I40E_SUCCESS;
1204
1205         /* Allocate memory to store VF structure */
1206         pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0);
1207         if(pf->vfs == NULL)
1208                 return -ENOMEM;
1209
1210         /* Disable irq0 for VFR event */
1211         i40e_pf_disable_irq0(hw);
1212
1213         /* Disable VF link status interrupt */
1214         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1215         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1216         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1217         I40E_WRITE_FLUSH(hw);
1218
1219         for (i = 0; i < pf->vf_num; i++) {
1220                 pf->vfs[i].pf = pf;
1221                 pf->vfs[i].state = I40E_VF_INACTIVE;
1222                 pf->vfs[i].vf_idx = i;
1223                 ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0);
1224                 if (ret != I40E_SUCCESS)
1225                         goto fail;
1226                 eth_random_addr(pf->vfs[i].mac_addr.addr_bytes);
1227         }
1228
1229         /* restore irq0 */
1230         i40e_pf_enable_irq0(hw);
1231
1232         return I40E_SUCCESS;
1233
1234 fail:
1235         rte_free(pf->vfs);
1236         i40e_pf_enable_irq0(hw);
1237
1238         return ret;
1239 }
1240
1241 int
1242 i40e_pf_host_uninit(struct rte_eth_dev *dev)
1243 {
1244         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1245         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1246         uint32_t val;
1247
1248         PMD_INIT_FUNC_TRACE();
1249
1250         /**
1251          * return if SRIOV not enabled, VF number not configured or
1252          * no queue assigned.
1253          */
1254         if ((!hw->func_caps.sr_iov_1_1) ||
1255                 (pf->vf_num == 0) ||
1256                 (pf->vf_nb_qps == 0))
1257                 return I40E_SUCCESS;
1258
1259         /* free memory to store VF structure */
1260         rte_free(pf->vfs);
1261         pf->vfs = NULL;
1262
1263         /* Disable irq0 for VFR event */
1264         i40e_pf_disable_irq0(hw);
1265
1266         /* Disable VF link status interrupt */
1267         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1268         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1269         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1270         I40E_WRITE_FLUSH(hw);
1271
1272         return I40E_SUCCESS;
1273 }