drivers/net/i40e/i40e_pf.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11 #include <stdarg.h>
  12 #include <inttypes.h>
  13
  14 #include <rte_string_fns.h>
  15 #include <rte_pci.h>
  16 #include <rte_ether.h>
  17 #include <rte_ethdev_driver.h>
  18 #include <rte_malloc.h>
  19 #include <rte_memcpy.h>
  20
  21 #include "i40e_logs.h"
  22 #include "base/i40e_prototype.h"
  23 #include "base/i40e_adminq_cmd.h"
  24 #include "base/i40e_type.h"
  25 #include "i40e_ethdev.h"
  26 #include "i40e_rxtx.h"
  27 #include "i40e_pf.h"
  28 #include "rte_pmd_i40e.h"
  29
  30 #define I40E_CFG_CRCSTRIP_DEFAULT 1
  31
  32 static int
  33 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
  34                            struct virtchnl_queue_select *qsel,
  35                            bool on);
  36
  37 /**
  38  * Bind PF queues with VSI and VF.
  39  **/
  40 static int
  41 i40e_pf_vf_queues_mapping(struct i40e_pf_vf *vf)
  42 {
  43         int i;
  44         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
  45         uint16_t vsi_id = vf->vsi->vsi_id;
  46         uint16_t vf_id  = vf->vf_idx;
  47         uint16_t nb_qps = vf->vsi->nb_qps;
  48         uint16_t qbase  = vf->vsi->base_queue;
  49         uint16_t q1, q2;
  50         uint32_t val;
  51
  52         /*
  53          * VF should use scatter range queues. So, it needn't
  54          * to set QBASE in this register.
  55          */
  56         i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vsi_id),
  57                           I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
  58
  59         /* Set to enable VFLAN_QTABLE[] registers valid */
  60         I40E_WRITE_REG(hw, I40E_VPLAN_MAPENA(vf_id),
  61                 I40E_VPLAN_MAPENA_TXRX_ENA_MASK);
  62
  63         /* map PF queues to VF */
  64         for (i = 0; i < nb_qps; i++) {
  65                 val = ((qbase + i) & I40E_VPLAN_QTABLE_QINDEX_MASK);
  66                 I40E_WRITE_REG(hw, I40E_VPLAN_QTABLE(i, vf_id), val);
  67         }
  68
  69         /* map PF queues to VSI */
  70         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF / 2; i++) {
  71                 if (2 * i > nb_qps - 1)
  72                         q1 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
  73                 else
  74                         q1 = qbase + 2 * i;
  75
  76                 if (2 * i + 1 > nb_qps - 1)
  77                         q2 = I40E_VSILAN_QTABLE_QINDEX_0_MASK;
  78                 else
  79                         q2 = qbase + 2 * i + 1;
  80
  81                 val = (q2 << I40E_VSILAN_QTABLE_QINDEX_1_SHIFT) + q1;
  82                 i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(i, vsi_id), val);
  83         }
  84         I40E_WRITE_FLUSH(hw);
  85
  86         return I40E_SUCCESS;
  87 }
  88
  89
  90 /**
  91  * Proceed VF reset operation.
  92  */
  93 int
  94 i40e_pf_host_vf_reset(struct i40e_pf_vf *vf, bool do_hw_reset)
  95 {
  96         uint32_t val, i;
  97         struct i40e_hw *hw;
  98         struct i40e_pf *pf;
  99         uint16_t vf_id, abs_vf_id, vf_msix_num;
 100         int ret;
 101         struct virtchnl_queue_select qsel;
 102
 103         if (vf == NULL)
 104                 return -EINVAL;
 105
 106         pf = vf->pf;
 107         hw = I40E_PF_TO_HW(vf->pf);
 108         vf_id = vf->vf_idx;
 109         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
 110
 111         /* Notify VF that we are in VFR progress */
 112         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_INPROGRESS);
 113
 114         /*
 115          * If require a SW VF reset, a VFLR interrupt will be generated,
 116          * this function will be called again. To avoid it,
 117          * disable interrupt first.
 118          */
 119         if (do_hw_reset) {
 120                 vf->state = I40E_VF_INRESET;
 121                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 122                 val |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 123                 I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 124                 I40E_WRITE_FLUSH(hw);
 125         }
 126
 127 #define VFRESET_MAX_WAIT_CNT 100
 128         /* Wait until VF reset is done */
 129         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 130                 rte_delay_us(10);
 131                 val = I40E_READ_REG(hw, I40E_VPGEN_VFRSTAT(vf_id));
 132                 if (val & I40E_VPGEN_VFRSTAT_VFRD_MASK)
 133                         break;
 134         }
 135
 136         if (i >= VFRESET_MAX_WAIT_CNT) {
 137                 PMD_DRV_LOG(ERR, "VF reset timeout");
 138                 return -ETIMEDOUT;
 139         }
 140         /* This is not first time to do reset, do cleanup job first */
 141         if (vf->vsi) {
 142                 /* Disable queues */
 143                 memset(&qsel, 0, sizeof(qsel));
 144                 for (i = 0; i < vf->vsi->nb_qps; i++)
 145                         qsel.rx_queues |= 1 << i;
 146                 qsel.tx_queues = qsel.rx_queues;
 147                 ret = i40e_pf_host_switch_queues(vf, &qsel, false);
 148                 if (ret != I40E_SUCCESS) {
 149                         PMD_DRV_LOG(ERR, "Disable VF queues failed");
 150                         return -EFAULT;
 151                 }
 152
 153                 /* Disable VF interrupt setting */
 154                 vf_msix_num = hw->func_caps.num_msix_vectors_vf;
 155                 for (i = 0; i < vf_msix_num; i++) {
 156                         if (!i)
 157                                 val = I40E_VFINT_DYN_CTL0(vf_id);
 158                         else
 159                                 val = I40E_VFINT_DYN_CTLN(((vf_msix_num - 1) *
 160                                                         (vf_id)) + (i - 1));
 161                         I40E_WRITE_REG(hw, val, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
 162                 }
 163                 I40E_WRITE_FLUSH(hw);
 164
 165                 /* remove VSI */
 166                 ret = i40e_vsi_release(vf->vsi);
 167                 if (ret != I40E_SUCCESS) {
 168                         PMD_DRV_LOG(ERR, "Release VSI failed");
 169                         return -EFAULT;
 170                 }
 171         }
 172
 173 #define I40E_VF_PCI_ADDR  0xAA
 174 #define I40E_VF_PEND_MASK 0x20
 175         /* Check the pending transactions of this VF */
 176         /* Use absolute VF id, refer to datasheet for details */
 177         I40E_WRITE_REG(hw, I40E_PF_PCI_CIAA, I40E_VF_PCI_ADDR |
 178                 (abs_vf_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
 179         for (i = 0; i < VFRESET_MAX_WAIT_CNT; i++) {
 180                 rte_delay_us(1);
 181                 val = I40E_READ_REG(hw, I40E_PF_PCI_CIAD);
 182                 if ((val & I40E_VF_PEND_MASK) == 0)
 183                         break;
 184         }
 185
 186         if (i >= VFRESET_MAX_WAIT_CNT) {
 187                 PMD_DRV_LOG(ERR, "Wait VF PCI transaction end timeout");
 188                 return -ETIMEDOUT;
 189         }
 190
 191         /* Reset done, Set COMPLETE flag and clear reset bit */
 192         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_COMPLETED);
 193         val = I40E_READ_REG(hw, I40E_VPGEN_VFRTRIG(vf_id));
 194         val &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
 195         I40E_WRITE_REG(hw, I40E_VPGEN_VFRTRIG(vf_id), val);
 196         vf->reset_cnt++;
 197         I40E_WRITE_FLUSH(hw);
 198
 199         /* Allocate resource again */
 200         if (pf->floating_veb && pf->floating_veb_list[vf_id]) {
 201                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
 202                                          NULL, vf->vf_idx);
 203         } else {
 204                 vf->vsi = i40e_vsi_setup(vf->pf, I40E_VSI_SRIOV,
 205                                          vf->pf->main_vsi, vf->vf_idx);
 206         }
 207
 208         if (vf->vsi == NULL) {
 209                 PMD_DRV_LOG(ERR, "Add vsi failed");
 210                 return -EFAULT;
 211         }
 212
 213         ret = i40e_pf_vf_queues_mapping(vf);
 214         if (ret != I40E_SUCCESS) {
 215                 PMD_DRV_LOG(ERR, "queue mapping error");
 216                 i40e_vsi_release(vf->vsi);
 217                 return -EFAULT;
 218         }
 219
 220         I40E_WRITE_REG(hw, I40E_VFGEN_RSTAT1(vf_id), VIRTCHNL_VFR_VFACTIVE);
 221
 222         return ret;
 223 }
 224
 225 int
 226 i40e_pf_host_send_msg_to_vf(struct i40e_pf_vf *vf,
 227                             uint32_t opcode,
 228                             uint32_t retval,
 229                             uint8_t *msg,
 230                             uint16_t msglen)
 231 {
 232         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 233         uint16_t abs_vf_id = hw->func_caps.vf_base_id + vf->vf_idx;
 234         int ret;
 235
 236         ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, opcode, retval,
 237                                                 msg, msglen, NULL);
 238         if (ret) {
 239                 PMD_INIT_LOG(ERR, "Fail to send message to VF, err %u",
 240                              hw->aq.asq_last_status);
 241         }
 242
 243         return ret;
 244 }
 245
 246 static void
 247 i40e_pf_host_process_cmd_version(struct i40e_pf_vf *vf, uint8_t *msg,
 248                                  bool b_op)
 249 {
 250         struct virtchnl_version_info info;
 251
 252         /* VF and PF drivers need to follow the Virtchnl definition, No matter
 253          * it's DPDK or other kernel drivers.
 254          * The original DPDK host specific feature
 255          * like CFG_VLAN_PVID and CONFIG_VSI_QUEUES_EXT will not available.
 256          */
 257
 258         info.major = VIRTCHNL_VERSION_MAJOR;
 259         vf->version = *(struct virtchnl_version_info *)msg;
 260         if (VF_IS_V10(&vf->version))
 261                 info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS;
 262         else
 263                 info.minor = VIRTCHNL_VERSION_MINOR;
 264
 265         if (b_op)
 266                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
 267                                             I40E_SUCCESS,
 268                                             (uint8_t *)&info,
 269                                             sizeof(info));
 270         else
 271                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION,
 272                                             I40E_NOT_SUPPORTED,
 273                                             (uint8_t *)&info,
 274                                             sizeof(info));
 275 }
 276
 277 static int
 278 i40e_pf_host_process_cmd_reset_vf(struct i40e_pf_vf *vf)
 279 {
 280         i40e_pf_host_vf_reset(vf, 1);
 281
 282         /* No feedback will be sent to VF for VFLR */
 283         return I40E_SUCCESS;
 284 }
 285
 286 static int
 287 i40e_pf_host_process_cmd_get_vf_resource(struct i40e_pf_vf *vf, uint8_t *msg,
 288                                          bool b_op)
 289 {
 290         struct virtchnl_vf_resource *vf_res = NULL;
 291         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 292         uint32_t len = 0;
 293         uint64_t default_hena = I40E_RSS_HENA_ALL;
 294         int ret = I40E_SUCCESS;
 295
 296         if (!b_op) {
 297                 i40e_pf_host_send_msg_to_vf(vf,
 298                                             VIRTCHNL_OP_GET_VF_RESOURCES,
 299                                             I40E_NOT_SUPPORTED, NULL, 0);
 300                 return ret;
 301         }
 302
 303         /* only have 1 VSI by default */
 304         len =  sizeof(struct virtchnl_vf_resource) +
 305                                 I40E_DEFAULT_VF_VSI_NUM *
 306                 sizeof(struct virtchnl_vsi_resource);
 307
 308         vf_res = rte_zmalloc("i40e_vf_res", len, 0);
 309         if (vf_res == NULL) {
 310                 PMD_DRV_LOG(ERR, "failed to allocate mem");
 311                 ret = I40E_ERR_NO_MEMORY;
 312                 vf_res = NULL;
 313                 len = 0;
 314                 goto send_msg;
 315         }
 316
 317         if (VF_IS_V10(&vf->version)) /* doesn't support offload negotiate */
 318                 vf->request_caps = VIRTCHNL_VF_OFFLOAD_L2 |
 319                                    VIRTCHNL_VF_OFFLOAD_VLAN;
 320         else
 321                 vf->request_caps = *(uint32_t *)msg;
 322
 323         /* enable all RSS by default,
 324          * doesn't support hena setting by virtchnnl yet.
 325          */
 326         if (vf->request_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) {
 327                 I40E_WRITE_REG(hw, I40E_VFQF_HENA1(0, vf->vf_idx),
 328                                (uint32_t)default_hena);
 329                 I40E_WRITE_REG(hw, I40E_VFQF_HENA1(1, vf->vf_idx),
 330                                (uint32_t)(default_hena >> 32));
 331                 I40E_WRITE_FLUSH(hw);
 332         }
 333
 334         vf_res->vf_cap_flags = vf->request_caps &
 335                                    I40E_VIRTCHNL_OFFLOAD_CAPS;
 336         /* For X722, it supports write back on ITR
 337          * without binding queue to interrupt vector.
 338          */
 339         if (hw->mac.type == I40E_MAC_X722)
 340                 vf_res->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR;
 341         vf_res->max_vectors = hw->func_caps.num_msix_vectors_vf;
 342         vf_res->num_queue_pairs = vf->vsi->nb_qps;
 343         vf_res->num_vsis = I40E_DEFAULT_VF_VSI_NUM;
 344         vf_res->rss_key_size = (I40E_PFQF_HKEY_MAX_INDEX + 1) * 4;
 345         vf_res->rss_lut_size = (I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4;
 346
 347         /* Change below setting if PF host can support more VSIs for VF */
 348         vf_res->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV;
 349         vf_res->vsi_res[0].vsi_id = vf->vsi->vsi_id;
 350         vf_res->vsi_res[0].num_queue_pairs = vf->vsi->nb_qps;
 351         rte_ether_addr_copy(&vf->mac_addr,
 352                 (struct rte_ether_addr *)vf_res->vsi_res[0].default_mac_addr);
 353
 354 send_msg:
 355         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES,
 356                                         ret, (uint8_t *)vf_res, len);
 357         rte_free(vf_res);
 358
 359         return ret;
 360 }
 361
 362 static int
 363 i40e_pf_host_hmc_config_rxq(struct i40e_hw *hw,
 364                             struct i40e_pf_vf *vf,
 365                             struct virtchnl_rxq_info *rxq,
 366                             uint8_t crcstrip)
 367 {
 368         int err = I40E_SUCCESS;
 369         struct i40e_hmc_obj_rxq rx_ctx;
 370         uint16_t abs_queue_id = vf->vsi->base_queue + rxq->queue_id;
 371
 372         /* Clear the context structure first */
 373         memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
 374         rx_ctx.dbuff = rxq->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
 375         rx_ctx.hbuff = rxq->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
 376         rx_ctx.base = rxq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 377         rx_ctx.qlen = rxq->ring_len;
 378 #ifndef RTE_LIBRTE_I40E_16BYTE_RX_DESC
 379         rx_ctx.dsize = 1;
 380 #endif
 381
 382         if (rxq->splithdr_enabled) {
 383                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_ALL;
 384                 rx_ctx.dtype = i40e_header_split_enabled;
 385         } else {
 386                 rx_ctx.hsplit_0 = I40E_HEADER_SPLIT_NONE;
 387                 rx_ctx.dtype = i40e_header_split_none;
 388         }
 389         rx_ctx.rxmax = rxq->max_pkt_size;
 390         rx_ctx.tphrdesc_ena = 1;
 391         rx_ctx.tphwdesc_ena = 1;
 392         rx_ctx.tphdata_ena = 1;
 393         rx_ctx.tphhead_ena = 1;
 394         rx_ctx.lrxqthresh = 2;
 395         rx_ctx.crcstrip = crcstrip;
 396         rx_ctx.l2tsel = 1;
 397         rx_ctx.prefena = 1;
 398
 399         err = i40e_clear_lan_rx_queue_context(hw, abs_queue_id);
 400         if (err != I40E_SUCCESS)
 401                 return err;
 402         err = i40e_set_lan_rx_queue_context(hw, abs_queue_id, &rx_ctx);
 403
 404         return err;
 405 }
 406
 407 static inline uint8_t
 408 i40e_vsi_get_tc_of_queue(struct i40e_vsi *vsi,
 409                 uint16_t queue_id)
 410 {
 411         struct i40e_aqc_vsi_properties_data *info = &vsi->info;
 412         uint16_t bsf, qp_idx;
 413         uint8_t i;
 414
 415         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
 416                 if (vsi->enabled_tc & (1 << i)) {
 417                         qp_idx = rte_le_to_cpu_16((info->tc_mapping[i] &
 418                                 I40E_AQ_VSI_TC_QUE_OFFSET_MASK) >>
 419                                 I40E_AQ_VSI_TC_QUE_OFFSET_SHIFT);
 420                         bsf = rte_le_to_cpu_16((info->tc_mapping[i] &
 421                                 I40E_AQ_VSI_TC_QUE_NUMBER_MASK) >>
 422                                 I40E_AQ_VSI_TC_QUE_NUMBER_SHIFT);
 423                         if (queue_id >= qp_idx && queue_id < qp_idx + (1 << bsf))
 424                                 return i;
 425                 }
 426         }
 427         return 0;
 428 }
 429
 430 static int
 431 i40e_pf_host_hmc_config_txq(struct i40e_hw *hw,
 432                             struct i40e_pf_vf *vf,
 433                             struct virtchnl_txq_info *txq)
 434 {
 435         int err = I40E_SUCCESS;
 436         struct i40e_hmc_obj_txq tx_ctx;
 437         struct i40e_vsi *vsi = vf->vsi;
 438         uint32_t qtx_ctl;
 439         uint16_t abs_queue_id = vsi->base_queue + txq->queue_id;
 440         uint8_t dcb_tc;
 441
 442         /* clear the context structure first */
 443         memset(&tx_ctx, 0, sizeof(tx_ctx));
 444         tx_ctx.base = txq->dma_ring_addr / I40E_QUEUE_BASE_ADDR_UNIT;
 445         tx_ctx.qlen = txq->ring_len;
 446         dcb_tc = i40e_vsi_get_tc_of_queue(vsi, txq->queue_id);
 447         tx_ctx.rdylist = rte_le_to_cpu_16(vsi->info.qs_handle[dcb_tc]);
 448         tx_ctx.head_wb_ena = txq->headwb_enabled;
 449         tx_ctx.head_wb_addr = txq->dma_headwb_addr;
 450
 451         err = i40e_clear_lan_tx_queue_context(hw, abs_queue_id);
 452         if (err != I40E_SUCCESS)
 453                 return err;
 454
 455         err = i40e_set_lan_tx_queue_context(hw, abs_queue_id, &tx_ctx);
 456         if (err != I40E_SUCCESS)
 457                 return err;
 458
 459         /* bind queue with VF function, since TX/QX will appear in pair,
 460          * so only has QTX_CTL to set.
 461          */
 462         qtx_ctl = (I40E_QTX_CTL_VF_QUEUE << I40E_QTX_CTL_PFVF_Q_SHIFT) |
 463                                 ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) &
 464                                 I40E_QTX_CTL_PF_INDX_MASK) |
 465                                 (((vf->vf_idx + hw->func_caps.vf_base_id) <<
 466                                 I40E_QTX_CTL_VFVM_INDX_SHIFT) &
 467                                 I40E_QTX_CTL_VFVM_INDX_MASK);
 468         I40E_WRITE_REG(hw, I40E_QTX_CTL(abs_queue_id), qtx_ctl);
 469         I40E_WRITE_FLUSH(hw);
 470
 471         return I40E_SUCCESS;
 472 }
 473
 474 static int
 475 i40e_pf_host_process_cmd_config_vsi_queues(struct i40e_pf_vf *vf,
 476                                            uint8_t *msg,
 477                                            uint16_t msglen,
 478                                            bool b_op)
 479 {
 480         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 481         struct i40e_vsi *vsi = vf->vsi;
 482         struct virtchnl_vsi_queue_config_info *vc_vqci =
 483                 (struct virtchnl_vsi_queue_config_info *)msg;
 484         struct virtchnl_queue_pair_info *vc_qpi;
 485         int i, ret = I40E_SUCCESS;
 486
 487         if (!b_op) {
 488                 i40e_pf_host_send_msg_to_vf(vf,
 489                                             VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 490                                             I40E_NOT_SUPPORTED, NULL, 0);
 491                 return ret;
 492         }
 493
 494         if (!msg || vc_vqci->num_queue_pairs > vsi->nb_qps ||
 495                 vc_vqci->num_queue_pairs > I40E_MAX_VSI_QP ||
 496                 msglen < I40E_VIRTCHNL_CONFIG_VSI_QUEUES_SIZE(vc_vqci,
 497                                         vc_vqci->num_queue_pairs)) {
 498                 PMD_DRV_LOG(ERR, "vsi_queue_config_info argument wrong");
 499                 ret = I40E_ERR_PARAM;
 500                 goto send_msg;
 501         }
 502
 503         vc_qpi = vc_vqci->qpair;
 504         for (i = 0; i < vc_vqci->num_queue_pairs; i++) {
 505                 if (vc_qpi[i].rxq.queue_id > vsi->nb_qps - 1 ||
 506                         vc_qpi[i].txq.queue_id > vsi->nb_qps - 1) {
 507                         ret = I40E_ERR_PARAM;
 508                         goto send_msg;
 509                 }
 510
 511                 /*
 512                  * Apply VF RX queue setting to HMC.
 513                  * If the opcode is VIRTCHNL_OP_CONFIG_VSI_QUEUES_EXT,
 514                  * then the extra information of
 515                  * 'struct virtchnl_queue_pair_extra_info' is needed,
 516                  * otherwise set the last parameter to NULL.
 517                  */
 518                 if (i40e_pf_host_hmc_config_rxq(hw, vf, &vc_qpi[i].rxq,
 519                         I40E_CFG_CRCSTRIP_DEFAULT) != I40E_SUCCESS) {
 520                         PMD_DRV_LOG(ERR, "Configure RX queue HMC failed");
 521                         ret = I40E_ERR_PARAM;
 522                         goto send_msg;
 523                 }
 524
 525                 /* Apply VF TX queue setting to HMC */
 526                 if (i40e_pf_host_hmc_config_txq(hw, vf,
 527                         &vc_qpi[i].txq) != I40E_SUCCESS) {
 528                         PMD_DRV_LOG(ERR, "Configure TX queue HMC failed");
 529                         ret = I40E_ERR_PARAM;
 530                         goto send_msg;
 531                 }
 532         }
 533
 534 send_msg:
 535         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES,
 536                                                         ret, NULL, 0);
 537
 538         return ret;
 539 }
 540
 541 static void
 542 i40e_pf_config_irq_link_list(struct i40e_pf_vf *vf,
 543                               struct virtchnl_vector_map *vvm)
 544 {
 545 #define BITS_PER_CHAR 8
 546         uint64_t linklistmap = 0, tempmap;
 547         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 548         uint16_t qid;
 549         bool b_first_q = true;
 550         enum i40e_queue_type qtype;
 551         uint16_t vector_id;
 552         uint32_t reg, reg_idx;
 553         uint16_t itr_idx = 0, i;
 554
 555         vector_id = vvm->vector_id;
 556         /* setup the head */
 557         if (!vector_id)
 558                 reg_idx = I40E_VPINT_LNKLST0(vf->vf_idx);
 559         else
 560                 reg_idx = I40E_VPINT_LNKLSTN(
 561                 ((hw->func_caps.num_msix_vectors_vf - 1) * vf->vf_idx)
 562                 + (vector_id - 1));
 563
 564         if (vvm->rxq_map == 0 && vvm->txq_map == 0) {
 565                 I40E_WRITE_REG(hw, reg_idx,
 566                         I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
 567                 goto cfg_irq_done;
 568         }
 569
 570         /* sort all rx and tx queues */
 571         tempmap = vvm->rxq_map;
 572         for (i = 0; i < sizeof(vvm->rxq_map) * BITS_PER_CHAR; i++) {
 573                 if (tempmap & 0x1)
 574                         linklistmap |= (1 << (2 * i));
 575                 tempmap >>= 1;
 576         }
 577
 578         tempmap = vvm->txq_map;
 579         for (i = 0; i < sizeof(vvm->txq_map) * BITS_PER_CHAR; i++) {
 580                 if (tempmap & 0x1)
 581                         linklistmap |= (1 << (2 * i + 1));
 582                 tempmap >>= 1;
 583         }
 584
 585         /* Link all rx and tx queues into a chained list */
 586         tempmap = linklistmap;
 587         i = 0;
 588         b_first_q = true;
 589         do {
 590                 if (tempmap & 0x1) {
 591                         qtype = (enum i40e_queue_type)(i % 2);
 592                         qid = vf->vsi->base_queue + i / 2;
 593                         if (b_first_q) {
 594                                 /* This is header */
 595                                 b_first_q = false;
 596                                 reg = ((qtype <<
 597                                 I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT)
 598                                 | qid);
 599                         } else {
 600                                 /* element in the link list */
 601                                 reg = (vector_id) |
 602                                 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
 603                                 (qid << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
 604                                 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
 605                                 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
 606                         }
 607                         I40E_WRITE_REG(hw, reg_idx, reg);
 608                         /* find next register to program */
 609                         switch (qtype) {
 610                         case I40E_QUEUE_TYPE_RX:
 611                                 reg_idx = I40E_QINT_RQCTL(qid);
 612                                 itr_idx = vvm->rxitr_idx;
 613                                 break;
 614                         case I40E_QUEUE_TYPE_TX:
 615                                 reg_idx = I40E_QINT_TQCTL(qid);
 616                                 itr_idx = vvm->txitr_idx;
 617                                 break;
 618                         default:
 619                                 break;
 620                         }
 621                 }
 622                 i++;
 623                 tempmap >>= 1;
 624         } while (tempmap);
 625
 626         /* Terminate the link list */
 627         reg = (vector_id) |
 628                 (0 << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
 629                 (0x7FF << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
 630                 BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
 631                 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
 632         I40E_WRITE_REG(hw, reg_idx, reg);
 633
 634 cfg_irq_done:
 635         I40E_WRITE_FLUSH(hw);
 636 }
 637
 638 static int
 639 i40e_pf_host_process_cmd_config_irq_map(struct i40e_pf_vf *vf,
 640                                         uint8_t *msg, uint16_t msglen,
 641                                         bool b_op)
 642 {
 643         int ret = I40E_SUCCESS;
 644         struct i40e_pf *pf = vf->pf;
 645         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 646         struct virtchnl_irq_map_info *irqmap =
 647             (struct virtchnl_irq_map_info *)msg;
 648         struct virtchnl_vector_map *map;
 649         int i;
 650         uint16_t vector_id, itr_idx;
 651         unsigned long qbit_max;
 652
 653         if (!b_op) {
 654                 i40e_pf_host_send_msg_to_vf(
 655                         vf,
 656                         VIRTCHNL_OP_CONFIG_IRQ_MAP,
 657                         I40E_NOT_SUPPORTED, NULL, 0);
 658                 return ret;
 659         }
 660
 661         if (msg == NULL || msglen < sizeof(struct virtchnl_irq_map_info)) {
 662                 PMD_DRV_LOG(ERR, "buffer too short");
 663                 ret = I40E_ERR_PARAM;
 664                 goto send_msg;
 665         }
 666
 667         /* PF host will support both DPDK VF or Linux VF driver, identify by
 668          * number of vectors requested.
 669          */
 670
 671         /* DPDK VF only requires single vector */
 672         if (irqmap->num_vectors == 1) {
 673                 /* This MSIX intr store the intr in VF range */
 674                 vf->vsi->msix_intr = irqmap->vecmap[0].vector_id;
 675                 vf->vsi->nb_msix = irqmap->num_vectors;
 676                 vf->vsi->nb_used_qps = vf->vsi->nb_qps;
 677                 itr_idx = irqmap->vecmap[0].rxitr_idx;
 678
 679                 /* Don't care how the TX/RX queue mapping with this vector.
 680                  * Link all VF RX queues together. Only did mapping work.
 681                  * VF can disable/enable the intr by itself.
 682                  */
 683                 i40e_vsi_queues_bind_intr(vf->vsi, itr_idx);
 684                 goto send_msg;
 685         }
 686
 687         /* Then, it's Linux VF driver */
 688         qbit_max = 1 << pf->vf_nb_qp_max;
 689         for (i = 0; i < irqmap->num_vectors; i++) {
 690                 map = &irqmap->vecmap[i];
 691
 692                 vector_id = map->vector_id;
 693                 /* validate msg params */
 694                 if (vector_id >= hw->func_caps.num_msix_vectors_vf) {
 695                         ret = I40E_ERR_PARAM;
 696                         goto send_msg;
 697                 }
 698
 699                 if ((map->rxq_map < qbit_max) && (map->txq_map < qbit_max)) {
 700                         i40e_pf_config_irq_link_list(vf, map);
 701                 } else {
 702                         /* configured queue size excceed limit */
 703                         ret = I40E_ERR_PARAM;
 704                         goto send_msg;
 705                 }
 706         }
 707
 708 send_msg:
 709         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP,
 710                                                         ret, NULL, 0);
 711
 712         return ret;
 713 }
 714
 715 static int
 716 i40e_pf_host_switch_queues(struct i40e_pf_vf *vf,
 717                            struct virtchnl_queue_select *qsel,
 718                            bool on)
 719 {
 720         int ret = I40E_SUCCESS;
 721         int i;
 722         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 723         uint16_t baseq = vf->vsi->base_queue;
 724
 725         if (qsel->rx_queues + qsel->tx_queues == 0)
 726                 return I40E_ERR_PARAM;
 727
 728         /* always enable RX first and disable last */
 729         /* Enable RX if it's enable */
 730         if (on) {
 731                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 732                         if (qsel->rx_queues & (1 << i)) {
 733                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 734                                 if (ret != I40E_SUCCESS)
 735                                         return ret;
 736                         }
 737         }
 738
 739         /* Enable/Disable TX */
 740         for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 741                 if (qsel->tx_queues & (1 << i)) {
 742                         ret = i40e_switch_tx_queue(hw, baseq + i, on);
 743                         if (ret != I40E_SUCCESS)
 744                                 return ret;
 745                 }
 746
 747         /* disable RX last if it's disable */
 748         if (!on) {
 749                 /* disable RX */
 750                 for (i = 0; i < I40E_MAX_QP_NUM_PER_VF; i++)
 751                         if (qsel->rx_queues & (1 << i)) {
 752                                 ret = i40e_switch_rx_queue(hw, baseq + i, on);
 753                                 if (ret != I40E_SUCCESS)
 754                                         return ret;
 755                         }
 756         }
 757
 758         return ret;
 759 }
 760
 761 static int
 762 i40e_pf_host_process_cmd_enable_queues(struct i40e_pf_vf *vf,
 763                                        uint8_t *msg,
 764                                        uint16_t msglen)
 765 {
 766         int ret = I40E_SUCCESS;
 767         struct virtchnl_queue_select *q_sel =
 768                 (struct virtchnl_queue_select *)msg;
 769
 770         if (msg == NULL || msglen != sizeof(*q_sel)) {
 771                 ret = I40E_ERR_PARAM;
 772                 goto send_msg;
 773         }
 774         ret = i40e_pf_host_switch_queues(vf, q_sel, true);
 775
 776 send_msg:
 777         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES,
 778                                                         ret, NULL, 0);
 779
 780         return ret;
 781 }
 782
 783 static int
 784 i40e_pf_host_process_cmd_disable_queues(struct i40e_pf_vf *vf,
 785                                         uint8_t *msg,
 786                                         uint16_t msglen,
 787                                         bool b_op)
 788 {
 789         int ret = I40E_SUCCESS;
 790         struct virtchnl_queue_select *q_sel =
 791                 (struct virtchnl_queue_select *)msg;
 792
 793         if (!b_op) {
 794                 i40e_pf_host_send_msg_to_vf(
 795                         vf,
 796                         VIRTCHNL_OP_DISABLE_QUEUES,
 797                         I40E_NOT_SUPPORTED, NULL, 0);
 798                 return ret;
 799         }
 800
 801         if (msg == NULL || msglen != sizeof(*q_sel)) {
 802                 ret = I40E_ERR_PARAM;
 803                 goto send_msg;
 804         }
 805         ret = i40e_pf_host_switch_queues(vf, q_sel, false);
 806
 807 send_msg:
 808         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES,
 809                                                         ret, NULL, 0);
 810
 811         return ret;
 812 }
 813
 814
 815 static int
 816 i40e_pf_host_process_cmd_add_ether_address(struct i40e_pf_vf *vf,
 817                                            uint8_t *msg,
 818                                            uint16_t msglen,
 819                                            bool b_op)
 820 {
 821         int ret = I40E_SUCCESS;
 822         struct virtchnl_ether_addr_list *addr_list =
 823                         (struct virtchnl_ether_addr_list *)msg;
 824         struct i40e_mac_filter_info filter;
 825         int i;
 826         struct rte_ether_addr *mac;
 827
 828         if (!b_op) {
 829                 i40e_pf_host_send_msg_to_vf(
 830                         vf,
 831                         VIRTCHNL_OP_ADD_ETH_ADDR,
 832                         I40E_NOT_SUPPORTED, NULL, 0);
 833                 return ret;
 834         }
 835
 836         memset(&filter, 0 , sizeof(struct i40e_mac_filter_info));
 837
 838         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 839                 PMD_DRV_LOG(ERR, "add_ether_address argument too short");
 840                 ret = I40E_ERR_PARAM;
 841                 goto send_msg;
 842         }
 843
 844         for (i = 0; i < addr_list->num_elements; i++) {
 845                 mac = (struct rte_ether_addr *)(addr_list->list[i].addr);
 846                 rte_memcpy(&filter.mac_addr, mac, RTE_ETHER_ADDR_LEN);
 847                 filter.filter_type = RTE_MACVLAN_PERFECT_MATCH;
 848                 if (rte_is_zero_ether_addr(mac) ||
 849                     i40e_vsi_add_mac(vf->vsi, &filter)) {
 850                         ret = I40E_ERR_INVALID_MAC_ADDR;
 851                         goto send_msg;
 852                 }
 853         }
 854
 855 send_msg:
 856         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR,
 857                                                         ret, NULL, 0);
 858
 859         return ret;
 860 }
 861
 862 static int
 863 i40e_pf_host_process_cmd_del_ether_address(struct i40e_pf_vf *vf,
 864                                            uint8_t *msg,
 865                                            uint16_t msglen,
 866                                            bool b_op)
 867 {
 868         int ret = I40E_SUCCESS;
 869         struct virtchnl_ether_addr_list *addr_list =
 870                 (struct virtchnl_ether_addr_list *)msg;
 871         int i;
 872         struct rte_ether_addr *mac;
 873
 874         if (!b_op) {
 875                 i40e_pf_host_send_msg_to_vf(
 876                         vf,
 877                         VIRTCHNL_OP_DEL_ETH_ADDR,
 878                         I40E_NOT_SUPPORTED, NULL, 0);
 879                 return ret;
 880         }
 881
 882         if (msg == NULL || msglen <= sizeof(*addr_list)) {
 883                 PMD_DRV_LOG(ERR, "delete_ether_address argument too short");
 884                 ret = I40E_ERR_PARAM;
 885                 goto send_msg;
 886         }
 887
 888         for (i = 0; i < addr_list->num_elements; i++) {
 889                 mac = (struct rte_ether_addr *)(addr_list->list[i].addr);
 890                 if (rte_is_zero_ether_addr(mac) ||
 891                         i40e_vsi_delete_mac(vf->vsi, mac)) {
 892                         ret = I40E_ERR_INVALID_MAC_ADDR;
 893                         goto send_msg;
 894                 }
 895         }
 896
 897 send_msg:
 898         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR,
 899                                                         ret, NULL, 0);
 900
 901         return ret;
 902 }
 903
 904 static int
 905 i40e_pf_host_process_cmd_add_vlan(struct i40e_pf_vf *vf,
 906                                 uint8_t *msg, uint16_t msglen,
 907                                 bool b_op)
 908 {
 909         int ret = I40E_SUCCESS;
 910         struct virtchnl_vlan_filter_list *vlan_filter_list =
 911                 (struct virtchnl_vlan_filter_list *)msg;
 912         int i;
 913         uint16_t *vid;
 914
 915         if (!b_op) {
 916                 i40e_pf_host_send_msg_to_vf(
 917                         vf,
 918                         VIRTCHNL_OP_ADD_VLAN,
 919                         I40E_NOT_SUPPORTED, NULL, 0);
 920                 return ret;
 921         }
 922
 923         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 924                 PMD_DRV_LOG(ERR, "add_vlan argument too short");
 925                 ret = I40E_ERR_PARAM;
 926                 goto send_msg;
 927         }
 928
 929         vid = vlan_filter_list->vlan_id;
 930
 931         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 932                 ret = i40e_vsi_add_vlan(vf->vsi, vid[i]);
 933                 if(ret != I40E_SUCCESS)
 934                         goto send_msg;
 935         }
 936
 937 send_msg:
 938         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN,
 939                                                 ret, NULL, 0);
 940
 941         return ret;
 942 }
 943
 944 static int
 945 i40e_pf_host_process_cmd_del_vlan(struct i40e_pf_vf *vf,
 946                                   uint8_t *msg,
 947                                   uint16_t msglen,
 948                                   bool b_op)
 949 {
 950         int ret = I40E_SUCCESS;
 951         struct virtchnl_vlan_filter_list *vlan_filter_list =
 952                         (struct virtchnl_vlan_filter_list *)msg;
 953         int i;
 954         uint16_t *vid;
 955
 956         if (!b_op) {
 957                 i40e_pf_host_send_msg_to_vf(
 958                         vf,
 959                         VIRTCHNL_OP_DEL_VLAN,
 960                         I40E_NOT_SUPPORTED, NULL, 0);
 961                 return ret;
 962         }
 963
 964         if (msg == NULL || msglen <= sizeof(*vlan_filter_list)) {
 965                 PMD_DRV_LOG(ERR, "delete_vlan argument too short");
 966                 ret = I40E_ERR_PARAM;
 967                 goto send_msg;
 968         }
 969
 970         vid = vlan_filter_list->vlan_id;
 971         for (i = 0; i < vlan_filter_list->num_elements; i++) {
 972                 ret = i40e_vsi_delete_vlan(vf->vsi, vid[i]);
 973                 if(ret != I40E_SUCCESS)
 974                         goto send_msg;
 975         }
 976
 977 send_msg:
 978         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN,
 979                                                 ret, NULL, 0);
 980
 981         return ret;
 982 }
 983
 984 static int
 985 i40e_pf_host_process_cmd_config_promisc_mode(
 986                                         struct i40e_pf_vf *vf,
 987                                         uint8_t *msg,
 988                                         uint16_t msglen,
 989                                         bool b_op)
 990 {
 991         int ret = I40E_SUCCESS;
 992         struct virtchnl_promisc_info *promisc =
 993                                 (struct virtchnl_promisc_info *)msg;
 994         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
 995         bool unicast = FALSE, multicast = FALSE;
 996
 997         if (!b_op) {
 998                 i40e_pf_host_send_msg_to_vf(
 999                         vf,
1000                         VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1001                         I40E_NOT_SUPPORTED, NULL, 0);
1002                 return ret;
1003         }
1004
1005         if (msg == NULL || msglen != sizeof(*promisc)) {
1006                 ret = I40E_ERR_PARAM;
1007                 goto send_msg;
1008         }
1009
1010         if (promisc->flags & FLAG_VF_UNICAST_PROMISC)
1011                 unicast = TRUE;
1012         ret = i40e_aq_set_vsi_unicast_promiscuous(hw,
1013                         vf->vsi->seid, unicast, NULL, true);
1014         if (ret != I40E_SUCCESS)
1015                 goto send_msg;
1016
1017         if (promisc->flags & FLAG_VF_MULTICAST_PROMISC)
1018                 multicast = TRUE;
1019         ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vf->vsi->seid,
1020                                                 multicast, NULL);
1021
1022 send_msg:
1023         i40e_pf_host_send_msg_to_vf(vf,
1024                 VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, ret, NULL, 0);
1025
1026         return ret;
1027 }
1028
1029 static int
1030 i40e_pf_host_process_cmd_get_stats(struct i40e_pf_vf *vf, bool b_op)
1031 {
1032         i40e_update_vsi_stats(vf->vsi);
1033
1034         if (b_op)
1035                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS,
1036                                             I40E_SUCCESS,
1037                                             (uint8_t *)&vf->vsi->eth_stats,
1038                                             sizeof(vf->vsi->eth_stats));
1039         else
1040                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS,
1041                                             I40E_NOT_SUPPORTED,
1042                                             (uint8_t *)&vf->vsi->eth_stats,
1043                                             sizeof(vf->vsi->eth_stats));
1044
1045         return I40E_SUCCESS;
1046 }
1047
1048 static int
1049 i40e_pf_host_process_cmd_enable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
1050 {
1051         int ret = I40E_SUCCESS;
1052
1053         if (!b_op) {
1054                 i40e_pf_host_send_msg_to_vf(
1055                         vf,
1056                         VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
1057                         I40E_NOT_SUPPORTED, NULL, 0);
1058                 return ret;
1059         }
1060
1061         ret = i40e_vsi_config_vlan_stripping(vf->vsi, TRUE);
1062         if (ret != 0)
1063                 PMD_DRV_LOG(ERR, "Failed to enable vlan stripping");
1064
1065         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING,
1066                                     ret, NULL, 0);
1067
1068         return ret;
1069 }
1070
1071 static int
1072 i40e_pf_host_process_cmd_disable_vlan_strip(struct i40e_pf_vf *vf, bool b_op)
1073 {
1074         int ret = I40E_SUCCESS;
1075
1076         if (!b_op) {
1077                 i40e_pf_host_send_msg_to_vf(
1078                         vf,
1079                         VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
1080                         I40E_NOT_SUPPORTED, NULL, 0);
1081                 return ret;
1082         }
1083
1084         ret = i40e_vsi_config_vlan_stripping(vf->vsi, FALSE);
1085         if (ret != 0)
1086                 PMD_DRV_LOG(ERR, "Failed to disable vlan stripping");
1087
1088         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING,
1089                                     ret, NULL, 0);
1090
1091         return ret;
1092 }
1093
1094 static int
1095 i40e_pf_host_process_cmd_set_rss_lut(struct i40e_pf_vf *vf,
1096                                      uint8_t *msg,
1097                                      uint16_t msglen,
1098                                      bool b_op)
1099 {
1100         struct virtchnl_rss_lut *rss_lut = (struct virtchnl_rss_lut *)msg;
1101         uint16_t valid_len;
1102         int ret = I40E_SUCCESS;
1103
1104         if (!b_op) {
1105                 i40e_pf_host_send_msg_to_vf(
1106                         vf,
1107                         VIRTCHNL_OP_CONFIG_RSS_LUT,
1108                         I40E_NOT_SUPPORTED, NULL, 0);
1109                 return ret;
1110         }
1111
1112         if (!msg || msglen <= sizeof(struct virtchnl_rss_lut)) {
1113                 PMD_DRV_LOG(ERR, "set_rss_lut argument too short");
1114                 ret = I40E_ERR_PARAM;
1115                 goto send_msg;
1116         }
1117         valid_len = sizeof(struct virtchnl_rss_lut) + rss_lut->lut_entries - 1;
1118         if (msglen < valid_len) {
1119                 PMD_DRV_LOG(ERR, "set_rss_lut length mismatch");
1120                 ret = I40E_ERR_PARAM;
1121                 goto send_msg;
1122         }
1123
1124         ret = i40e_set_rss_lut(vf->vsi, rss_lut->lut, rss_lut->lut_entries);
1125
1126 send_msg:
1127         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT,
1128                                     ret, NULL, 0);
1129
1130         return ret;
1131 }
1132
1133 static int
1134 i40e_pf_host_process_cmd_set_rss_key(struct i40e_pf_vf *vf,
1135                                      uint8_t *msg,
1136                                      uint16_t msglen,
1137                                      bool b_op)
1138 {
1139         struct virtchnl_rss_key *rss_key = (struct virtchnl_rss_key *)msg;
1140         uint16_t valid_len;
1141         int ret = I40E_SUCCESS;
1142
1143         if (!b_op) {
1144                 i40e_pf_host_send_msg_to_vf(
1145                         vf,
1146                         VIRTCHNL_OP_DEL_VLAN,
1147                         VIRTCHNL_OP_CONFIG_RSS_KEY, NULL, 0);
1148                 return ret;
1149         }
1150
1151         if (!msg || msglen <= sizeof(struct virtchnl_rss_key)) {
1152                 PMD_DRV_LOG(ERR, "set_rss_key argument too short");
1153                 ret = I40E_ERR_PARAM;
1154                 goto send_msg;
1155         }
1156         valid_len = sizeof(struct virtchnl_rss_key) + rss_key->key_len - 1;
1157         if (msglen < valid_len) {
1158                 PMD_DRV_LOG(ERR, "set_rss_key length mismatch");
1159                 ret = I40E_ERR_PARAM;
1160                 goto send_msg;
1161         }
1162
1163         ret = i40e_set_rss_key(vf->vsi, rss_key->key, rss_key->key_len);
1164
1165 send_msg:
1166         i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY,
1167                                     ret, NULL, 0);
1168
1169         return ret;
1170 }
1171
1172 void
1173 i40e_notify_vf_link_status(struct rte_eth_dev *dev, struct i40e_pf_vf *vf)
1174 {
1175         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
1176         struct virtchnl_pf_event event;
1177         uint16_t vf_id = vf->vf_idx;
1178         uint32_t tval, rval;
1179
1180         event.event = VIRTCHNL_EVENT_LINK_CHANGE;
1181         event.event_data.link_event.link_status =
1182                 dev->data->dev_link.link_status;
1183
1184         /* need to convert the ETH_SPEED_xxx into VIRTCHNL_LINK_SPEED_xxx */
1185         switch (dev->data->dev_link.link_speed) {
1186         case ETH_SPEED_NUM_100M:
1187                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_100MB;
1188                 break;
1189         case ETH_SPEED_NUM_1G:
1190                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_1GB;
1191                 break;
1192         case ETH_SPEED_NUM_10G:
1193                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_10GB;
1194                 break;
1195         case ETH_SPEED_NUM_20G:
1196                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_20GB;
1197                 break;
1198         case ETH_SPEED_NUM_25G:
1199                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_25GB;
1200                 break;
1201         case ETH_SPEED_NUM_40G:
1202                 event.event_data.link_event.link_speed = VIRTCHNL_LINK_SPEED_40GB;
1203                 break;
1204         default:
1205                 event.event_data.link_event.link_speed =
1206                         VIRTCHNL_LINK_SPEED_UNKNOWN;
1207                 break;
1208         }
1209
1210         tval = I40E_READ_REG(hw, I40E_VF_ATQLEN(vf_id));
1211         rval = I40E_READ_REG(hw, I40E_VF_ARQLEN(vf_id));
1212
1213         if (tval & I40E_VF_ATQLEN_ATQLEN_MASK ||
1214             tval & I40E_VF_ATQLEN_ATQENABLE_MASK ||
1215             rval & I40E_VF_ARQLEN_ARQLEN_MASK ||
1216             rval & I40E_VF_ARQLEN_ARQENABLE_MASK)
1217                 i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_EVENT,
1218                         I40E_SUCCESS, (uint8_t *)&event, sizeof(event));
1219 }
1220
1221 /**
1222  * i40e_vc_notify_vf_reset
1223  * @vf: pointer to the VF structure
1224  *
1225  * indicate a pending reset to the given VF
1226  **/
1227 static void
1228 i40e_vc_notify_vf_reset(struct i40e_pf_vf *vf)
1229 {
1230         struct i40e_hw *hw = I40E_PF_TO_HW(vf->pf);
1231         struct virtchnl_pf_event pfe;
1232         int abs_vf_id;
1233         uint16_t vf_id = vf->vf_idx;
1234
1235         abs_vf_id = vf_id + hw->func_caps.vf_base_id;
1236         pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING;
1237         pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM;
1238         i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT, 0, (u8 *)&pfe,
1239                                sizeof(struct virtchnl_pf_event), NULL);
1240 }
1241
1242 static int
1243 i40e_pf_host_process_cmd_request_queues(struct i40e_pf_vf *vf, uint8_t *msg)
1244 {
1245         struct virtchnl_vf_res_request *vfres =
1246                 (struct virtchnl_vf_res_request *)msg;
1247         struct i40e_pf *pf;
1248         uint32_t req_pairs = vfres->num_queue_pairs;
1249         uint32_t cur_pairs = vf->vsi->nb_used_qps;
1250
1251         pf = vf->pf;
1252
1253         if (!rte_is_power_of_2(req_pairs))
1254                 req_pairs = i40e_align_floor(req_pairs) << 1;
1255
1256         if (req_pairs == 0) {
1257                 PMD_DRV_LOG(ERR, "VF %d tried to request 0 queues. Ignoring.\n",
1258                             vf->vf_idx);
1259         } else if (req_pairs > I40E_MAX_QP_NUM_PER_VF) {
1260                 PMD_DRV_LOG(ERR,
1261                             "VF %d tried to request more than %d queues.\n",
1262                             vf->vf_idx,
1263                             I40E_MAX_QP_NUM_PER_VF);
1264                 vfres->num_queue_pairs = I40E_MAX_QP_NUM_PER_VF;
1265         } else if (req_pairs > cur_pairs + pf->qp_pool.num_free) {
1266                 PMD_DRV_LOG(ERR, "VF %d requested %d queues (rounded to %d) "
1267                         "but only %d available\n",
1268                         vf->vf_idx,
1269                         vfres->num_queue_pairs,
1270                         req_pairs,
1271                         cur_pairs + pf->qp_pool.num_free);
1272                 vfres->num_queue_pairs = i40e_align_floor(pf->qp_pool.num_free +
1273                                                           cur_pairs);
1274         } else {
1275                 i40e_vc_notify_vf_reset(vf);
1276                 vf->vsi->nb_qps = req_pairs;
1277                 pf->vf_nb_qps = req_pairs;
1278                 i40e_pf_host_process_cmd_reset_vf(vf);
1279
1280                 return 0;
1281         }
1282
1283         return i40e_pf_host_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0,
1284                                 (u8 *)vfres, sizeof(*vfres));
1285 }
1286
1287 void
1288 i40e_pf_host_handle_vf_msg(struct rte_eth_dev *dev,
1289                            uint16_t abs_vf_id, uint32_t opcode,
1290                            __rte_unused uint32_t retval,
1291                            uint8_t *msg,
1292                            uint16_t msglen)
1293 {
1294         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1295         struct i40e_hw *hw = I40E_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1296         struct i40e_pf_vf *vf;
1297         /* AdminQ will pass absolute VF id, transfer to internal vf id */
1298         uint16_t vf_id = abs_vf_id - hw->func_caps.vf_base_id;
1299         struct rte_pmd_i40e_mb_event_param ret_param;
1300         bool b_op = TRUE;
1301         int ret;
1302
1303         if (vf_id > pf->vf_num - 1 || !pf->vfs) {
1304                 PMD_DRV_LOG(ERR, "invalid argument");
1305                 return;
1306         }
1307
1308         vf = &pf->vfs[vf_id];
1309         if (!vf->vsi) {
1310                 PMD_DRV_LOG(ERR, "NO VSI associated with VF found");
1311                 i40e_pf_host_send_msg_to_vf(vf, opcode,
1312                         I40E_ERR_NO_AVAILABLE_VSI, NULL, 0);
1313                 return;
1314         }
1315
1316         /* perform basic checks on the msg */
1317         ret = virtchnl_vc_validate_vf_msg(&vf->version, opcode, msg, msglen);
1318
1319         /* perform additional checks specific to this driver */
1320         if (opcode == VIRTCHNL_OP_CONFIG_RSS_KEY) {
1321                 struct virtchnl_rss_key *vrk = (struct virtchnl_rss_key *)msg;
1322
1323                 if (vrk->key_len != ((I40E_PFQF_HKEY_MAX_INDEX + 1) * 4))
1324                         ret = VIRTCHNL_ERR_PARAM;
1325         } else if (opcode == VIRTCHNL_OP_CONFIG_RSS_LUT) {
1326                 struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg;
1327
1328                 if (vrl->lut_entries != ((I40E_VFQF_HLUT1_MAX_INDEX + 1) * 4))
1329                         ret = VIRTCHNL_ERR_PARAM;
1330         }
1331
1332         if (ret) {
1333                 PMD_DRV_LOG(ERR, "Invalid message from VF %u, opcode %u, len %u",
1334                             vf_id, opcode, msglen);
1335                 i40e_pf_host_send_msg_to_vf(vf, opcode,
1336                                             I40E_ERR_PARAM, NULL, 0);
1337                 return;
1338         }
1339
1340         /**
1341          * initialise structure to send to user application
1342          * will return response from user in retval field
1343          */
1344         ret_param.retval = RTE_PMD_I40E_MB_EVENT_PROCEED;
1345         ret_param.vfid = vf_id;
1346         ret_param.msg_type = opcode;
1347         ret_param.msg = (void *)msg;
1348         ret_param.msglen = msglen;
1349
1350         /**
1351          * Ask user application if we're allowed to perform those functions.
1352          * If we get ret_param.retval == RTE_PMD_I40E_MB_EVENT_PROCEED,
1353          * then business as usual.
1354          * If RTE_PMD_I40E_MB_EVENT_NOOP_ACK or RTE_PMD_I40E_MB_EVENT_NOOP_NACK,
1355          * do nothing and send not_supported to VF. As PF must send a response
1356          * to VF and ACK/NACK is not defined.
1357          */
1358         _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_VF_MBOX, &ret_param);
1359         if (ret_param.retval != RTE_PMD_I40E_MB_EVENT_PROCEED) {
1360                 PMD_DRV_LOG(WARNING, "VF to PF message(%d) is not permitted!",
1361                             opcode);
1362                 b_op = FALSE;
1363         }
1364
1365         switch (opcode) {
1366         case VIRTCHNL_OP_VERSION:
1367                 PMD_DRV_LOG(INFO, "OP_VERSION received");
1368                 i40e_pf_host_process_cmd_version(vf, msg, b_op);
1369                 break;
1370         case VIRTCHNL_OP_RESET_VF:
1371                 PMD_DRV_LOG(INFO, "OP_RESET_VF received");
1372                 i40e_pf_host_process_cmd_reset_vf(vf);
1373                 break;
1374         case VIRTCHNL_OP_GET_VF_RESOURCES:
1375                 PMD_DRV_LOG(INFO, "OP_GET_VF_RESOURCES received");
1376                 i40e_pf_host_process_cmd_get_vf_resource(vf, msg, b_op);
1377                 break;
1378         case VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1379                 PMD_DRV_LOG(INFO, "OP_CONFIG_VSI_QUEUES received");
1380                 i40e_pf_host_process_cmd_config_vsi_queues(vf, msg,
1381                                                            msglen, b_op);
1382                 break;
1383         case VIRTCHNL_OP_CONFIG_IRQ_MAP:
1384                 PMD_DRV_LOG(INFO, "OP_CONFIG_IRQ_MAP received");
1385                 i40e_pf_host_process_cmd_config_irq_map(vf, msg, msglen, b_op);
1386                 break;
1387         case VIRTCHNL_OP_ENABLE_QUEUES:
1388                 PMD_DRV_LOG(INFO, "OP_ENABLE_QUEUES received");
1389                 if (b_op) {
1390                         i40e_pf_host_process_cmd_enable_queues(vf, msg, msglen);
1391                         i40e_notify_vf_link_status(dev, vf);
1392                 } else {
1393                         i40e_pf_host_send_msg_to_vf(
1394                                 vf, VIRTCHNL_OP_ENABLE_QUEUES,
1395                                 I40E_NOT_SUPPORTED, NULL, 0);
1396                 }
1397                 break;
1398         case VIRTCHNL_OP_DISABLE_QUEUES:
1399                 PMD_DRV_LOG(INFO, "OP_DISABLE_QUEUE received");
1400                 i40e_pf_host_process_cmd_disable_queues(vf, msg, msglen, b_op);
1401                 break;
1402         case VIRTCHNL_OP_ADD_ETH_ADDR:
1403                 PMD_DRV_LOG(INFO, "OP_ADD_ETHER_ADDRESS received");
1404                 i40e_pf_host_process_cmd_add_ether_address(vf, msg,
1405                                                            msglen, b_op);
1406                 break;
1407         case VIRTCHNL_OP_DEL_ETH_ADDR:
1408                 PMD_DRV_LOG(INFO, "OP_DEL_ETHER_ADDRESS received");
1409                 i40e_pf_host_process_cmd_del_ether_address(vf, msg,
1410                                                            msglen, b_op);
1411                 break;
1412         case VIRTCHNL_OP_ADD_VLAN:
1413                 PMD_DRV_LOG(INFO, "OP_ADD_VLAN received");
1414                 i40e_pf_host_process_cmd_add_vlan(vf, msg, msglen, b_op);
1415                 break;
1416         case VIRTCHNL_OP_DEL_VLAN:
1417                 PMD_DRV_LOG(INFO, "OP_DEL_VLAN received");
1418                 i40e_pf_host_process_cmd_del_vlan(vf, msg, msglen, b_op);
1419                 break;
1420         case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1421                 PMD_DRV_LOG(INFO, "OP_CONFIG_PROMISCUOUS_MODE received");
1422                 i40e_pf_host_process_cmd_config_promisc_mode(vf, msg,
1423                                                              msglen, b_op);
1424                 break;
1425         case VIRTCHNL_OP_GET_STATS:
1426                 PMD_DRV_LOG(INFO, "OP_GET_STATS received");
1427                 i40e_pf_host_process_cmd_get_stats(vf, b_op);
1428                 break;
1429         case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING:
1430                 PMD_DRV_LOG(INFO, "OP_ENABLE_VLAN_STRIPPING received");
1431                 i40e_pf_host_process_cmd_enable_vlan_strip(vf, b_op);
1432                 break;
1433         case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING:
1434                 PMD_DRV_LOG(INFO, "OP_DISABLE_VLAN_STRIPPING received");
1435                 i40e_pf_host_process_cmd_disable_vlan_strip(vf, b_op);
1436                 break;
1437         case VIRTCHNL_OP_CONFIG_RSS_LUT:
1438                 PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_LUT received");
1439                 i40e_pf_host_process_cmd_set_rss_lut(vf, msg, msglen, b_op);
1440                 break;
1441         case VIRTCHNL_OP_CONFIG_RSS_KEY:
1442                 PMD_DRV_LOG(INFO, "OP_CONFIG_RSS_KEY received");
1443                 i40e_pf_host_process_cmd_set_rss_key(vf, msg, msglen, b_op);
1444                 break;
1445         case VIRTCHNL_OP_REQUEST_QUEUES:
1446                 PMD_DRV_LOG(INFO, "OP_REQUEST_QUEUES received");
1447                 i40e_pf_host_process_cmd_request_queues(vf, msg);
1448                 break;
1449
1450         /* Don't add command supported below, which will
1451          * return an error code.
1452          */
1453         default:
1454                 PMD_DRV_LOG(ERR, "%u received, not supported", opcode);
1455                 i40e_pf_host_send_msg_to_vf(vf, opcode, I40E_ERR_PARAM,
1456                                                                 NULL, 0);
1457                 break;
1458         }
1459 }
1460
1461 int
1462 i40e_pf_host_init(struct rte_eth_dev *dev)
1463 {
1464         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1465         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1466         int ret, i;
1467         uint32_t val;
1468
1469         PMD_INIT_FUNC_TRACE();
1470
1471         /**
1472          * return if SRIOV not enabled, VF number not configured or
1473          * no queue assigned.
1474          */
1475         if(!hw->func_caps.sr_iov_1_1 || pf->vf_num == 0 || pf->vf_nb_qps == 0)
1476                 return I40E_SUCCESS;
1477
1478         /* Allocate memory to store VF structure */
1479         pf->vfs = rte_zmalloc("i40e_pf_vf",sizeof(*pf->vfs) * pf->vf_num, 0);
1480         if(pf->vfs == NULL)
1481                 return -ENOMEM;
1482
1483         /* Disable irq0 for VFR event */
1484         i40e_pf_disable_irq0(hw);
1485
1486         /* Disable VF link status interrupt */
1487         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1488         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1489         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1490         I40E_WRITE_FLUSH(hw);
1491
1492         for (i = 0; i < pf->vf_num; i++) {
1493                 pf->vfs[i].pf = pf;
1494                 pf->vfs[i].state = I40E_VF_INACTIVE;
1495                 pf->vfs[i].vf_idx = i;
1496                 ret = i40e_pf_host_vf_reset(&pf->vfs[i], 0);
1497                 if (ret != I40E_SUCCESS)
1498                         goto fail;
1499         }
1500
1501         RTE_ETH_DEV_SRIOV(dev).active = pf->vf_num;
1502         /* restore irq0 */
1503         i40e_pf_enable_irq0(hw);
1504
1505         return I40E_SUCCESS;
1506
1507 fail:
1508         rte_free(pf->vfs);
1509         i40e_pf_enable_irq0(hw);
1510
1511         return ret;
1512 }
1513
1514 int
1515 i40e_pf_host_uninit(struct rte_eth_dev *dev)
1516 {
1517         struct i40e_pf *pf = I40E_DEV_PRIVATE_TO_PF(dev->data->dev_private);
1518         struct i40e_hw *hw = I40E_PF_TO_HW(pf);
1519         uint32_t val;
1520
1521         PMD_INIT_FUNC_TRACE();
1522
1523         /**
1524          * return if SRIOV not enabled, VF number not configured or
1525          * no queue assigned.
1526          */
1527         if ((!hw->func_caps.sr_iov_1_1) ||
1528                 (pf->vf_num == 0) ||
1529                 (pf->vf_nb_qps == 0))
1530                 return I40E_SUCCESS;
1531
1532         /* free memory to store VF structure */
1533         rte_free(pf->vfs);
1534         pf->vfs = NULL;
1535
1536         /* Disable irq0 for VFR event */
1537         i40e_pf_disable_irq0(hw);
1538
1539         /* Disable VF link status interrupt */
1540         val = I40E_READ_REG(hw, I40E_PFGEN_PORTMDIO_NUM);
1541         val &= ~I40E_PFGEN_PORTMDIO_NUM_VFLINK_STAT_ENA_MASK;
1542         I40E_WRITE_REG(hw, I40E_PFGEN_PORTMDIO_NUM, val);
1543         I40E_WRITE_FLUSH(hw);
1544
1545         return I40E_SUCCESS;
1546 }