| 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* Copyright(c) 2013 - 2018 Intel Corporation. */ |
| 3 | |
| 4 | #include "i40e.h" |
| 5 | |
| 6 | /*********************notification routines***********************/ |
| 7 | |
| 8 | /** |
| 9 | * i40e_vc_vf_broadcast |
| 10 | * @pf: pointer to the PF structure |
| 11 | * @v_opcode: operation code |
| 12 | * @v_retval: return value |
| 13 | * @msg: pointer to the msg buffer |
| 14 | * @msglen: msg length |
| 15 | * |
| 16 | * send a message to all VFs on a given PF |
| 17 | **/ |
| 18 | static void i40e_vc_vf_broadcast(struct i40e_pf *pf, |
| 19 | enum virtchnl_ops v_opcode, |
| 20 | i40e_status v_retval, u8 *msg, |
| 21 | u16 msglen) |
| 22 | { |
| 23 | struct i40e_hw *hw = &pf->hw; |
| 24 | struct i40e_vf *vf = pf->vf; |
| 25 | int i; |
| 26 | |
| 27 | for (i = 0; i < pf->num_alloc_vfs; i++, vf++) { |
| 28 | int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id; |
| 29 | /* Not all vfs are enabled so skip the ones that are not */ |
| 30 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) && |
| 31 | !test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) |
| 32 | continue; |
| 33 | |
| 34 | /* Ignore return value on purpose - a given VF may fail, but |
| 35 | * we need to keep going and send to all of them |
| 36 | */ |
| 37 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
| 38 | msg, msglen, NULL); |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | /** |
| 43 | * i40e_vc_link_speed2mbps |
| 44 | * converts i40e_aq_link_speed to integer value of Mbps |
| 45 | * @link_speed: the speed to convert |
| 46 | * |
| 47 | * return the speed as direct value of Mbps. |
| 48 | **/ |
| 49 | static u32 |
| 50 | i40e_vc_link_speed2mbps(enum i40e_aq_link_speed link_speed) |
| 51 | { |
| 52 | switch (link_speed) { |
| 53 | case I40E_LINK_SPEED_100MB: |
| 54 | return SPEED_100; |
| 55 | case I40E_LINK_SPEED_1GB: |
| 56 | return SPEED_1000; |
| 57 | case I40E_LINK_SPEED_2_5GB: |
| 58 | return SPEED_2500; |
| 59 | case I40E_LINK_SPEED_5GB: |
| 60 | return SPEED_5000; |
| 61 | case I40E_LINK_SPEED_10GB: |
| 62 | return SPEED_10000; |
| 63 | case I40E_LINK_SPEED_20GB: |
| 64 | return SPEED_20000; |
| 65 | case I40E_LINK_SPEED_25GB: |
| 66 | return SPEED_25000; |
| 67 | case I40E_LINK_SPEED_40GB: |
| 68 | return SPEED_40000; |
| 69 | case I40E_LINK_SPEED_UNKNOWN: |
| 70 | return SPEED_UNKNOWN; |
| 71 | } |
| 72 | return SPEED_UNKNOWN; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * i40e_set_vf_link_state |
| 77 | * @vf: pointer to the VF structure |
| 78 | * @pfe: pointer to PF event structure |
| 79 | * @ls: pointer to link status structure |
| 80 | * |
| 81 | * set a link state on a single vf |
| 82 | **/ |
| 83 | static void i40e_set_vf_link_state(struct i40e_vf *vf, |
| 84 | struct virtchnl_pf_event *pfe, struct i40e_link_status *ls) |
| 85 | { |
| 86 | u8 link_status = ls->link_info & I40E_AQ_LINK_UP; |
| 87 | |
| 88 | if (vf->link_forced) |
| 89 | link_status = vf->link_up; |
| 90 | |
| 91 | if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { |
| 92 | pfe->event_data.link_event_adv.link_speed = link_status ? |
| 93 | i40e_vc_link_speed2mbps(ls->link_speed) : 0; |
| 94 | pfe->event_data.link_event_adv.link_status = link_status; |
| 95 | } else { |
| 96 | pfe->event_data.link_event.link_speed = link_status ? |
| 97 | i40e_virtchnl_link_speed(ls->link_speed) : 0; |
| 98 | pfe->event_data.link_event.link_status = link_status; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | /** |
| 103 | * i40e_vc_notify_vf_link_state |
| 104 | * @vf: pointer to the VF structure |
| 105 | * |
| 106 | * send a link status message to a single VF |
| 107 | **/ |
| 108 | static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf) |
| 109 | { |
| 110 | struct virtchnl_pf_event pfe; |
| 111 | struct i40e_pf *pf = vf->pf; |
| 112 | struct i40e_hw *hw = &pf->hw; |
| 113 | struct i40e_link_status *ls = &pf->hw.phy.link_info; |
| 114 | int abs_vf_id = vf->vf_id + (int)hw->func_caps.vf_base_id; |
| 115 | |
| 116 | pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; |
| 117 | pfe.severity = PF_EVENT_SEVERITY_INFO; |
| 118 | |
| 119 | i40e_set_vf_link_state(vf, &pfe, ls); |
| 120 | |
| 121 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT, |
| 122 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
| 123 | } |
| 124 | |
| 125 | /** |
| 126 | * i40e_vc_notify_link_state |
| 127 | * @pf: pointer to the PF structure |
| 128 | * |
| 129 | * send a link status message to all VFs on a given PF |
| 130 | **/ |
| 131 | void i40e_vc_notify_link_state(struct i40e_pf *pf) |
| 132 | { |
| 133 | int i; |
| 134 | |
| 135 | for (i = 0; i < pf->num_alloc_vfs; i++) |
| 136 | i40e_vc_notify_vf_link_state(&pf->vf[i]); |
| 137 | } |
| 138 | |
| 139 | /** |
| 140 | * i40e_vc_notify_reset |
| 141 | * @pf: pointer to the PF structure |
| 142 | * |
| 143 | * indicate a pending reset to all VFs on a given PF |
| 144 | **/ |
| 145 | void i40e_vc_notify_reset(struct i40e_pf *pf) |
| 146 | { |
| 147 | struct virtchnl_pf_event pfe; |
| 148 | |
| 149 | pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; |
| 150 | pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; |
| 151 | i40e_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, 0, |
| 152 | (u8 *)&pfe, sizeof(struct virtchnl_pf_event)); |
| 153 | } |
| 154 | |
| 155 | /** |
| 156 | * i40e_vc_notify_vf_reset |
| 157 | * @vf: pointer to the VF structure |
| 158 | * |
| 159 | * indicate a pending reset to the given VF |
| 160 | **/ |
| 161 | void i40e_vc_notify_vf_reset(struct i40e_vf *vf) |
| 162 | { |
| 163 | struct virtchnl_pf_event pfe; |
| 164 | int abs_vf_id; |
| 165 | |
| 166 | /* validate the request */ |
| 167 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) |
| 168 | return; |
| 169 | |
| 170 | /* verify if the VF is in either init or active before proceeding */ |
| 171 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states) && |
| 172 | !test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) |
| 173 | return; |
| 174 | |
| 175 | abs_vf_id = vf->vf_id + (int)vf->pf->hw.func_caps.vf_base_id; |
| 176 | |
| 177 | pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; |
| 178 | pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; |
| 179 | i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, VIRTCHNL_OP_EVENT, |
| 180 | 0, (u8 *)&pfe, |
| 181 | sizeof(struct virtchnl_pf_event), NULL); |
| 182 | } |
| 183 | /***********************misc routines*****************************/ |
| 184 | |
| 185 | /** |
| 186 | * i40e_vc_reset_vf |
| 187 | * @vf: pointer to the VF info |
| 188 | * @notify_vf: notify vf about reset or not |
| 189 | * Reset VF handler. |
| 190 | **/ |
| 191 | static void i40e_vc_reset_vf(struct i40e_vf *vf, bool notify_vf) |
| 192 | { |
| 193 | struct i40e_pf *pf = vf->pf; |
| 194 | int i; |
| 195 | |
| 196 | if (notify_vf) |
| 197 | i40e_vc_notify_vf_reset(vf); |
| 198 | |
| 199 | /* We want to ensure that an actual reset occurs initiated after this |
| 200 | * function was called. However, we do not want to wait forever, so |
| 201 | * we'll give a reasonable time and print a message if we failed to |
| 202 | * ensure a reset. |
| 203 | */ |
| 204 | for (i = 0; i < 20; i++) { |
| 205 | /* If PF is in VFs releasing state reset VF is impossible, |
| 206 | * so leave it. |
| 207 | */ |
| 208 | if (test_bit(__I40E_VFS_RELEASING, pf->state)) |
| 209 | return; |
| 210 | if (i40e_reset_vf(vf, false)) |
| 211 | return; |
| 212 | usleep_range(10000, 20000); |
| 213 | } |
| 214 | |
| 215 | if (notify_vf) |
| 216 | dev_warn(&vf->pf->pdev->dev, |
| 217 | "Failed to initiate reset for VF %d after 200 milliseconds\n", |
| 218 | vf->vf_id); |
| 219 | else |
| 220 | dev_dbg(&vf->pf->pdev->dev, |
| 221 | "Failed to initiate reset for VF %d after 200 milliseconds\n", |
| 222 | vf->vf_id); |
| 223 | } |
| 224 | |
| 225 | /** |
| 226 | * i40e_vc_isvalid_vsi_id |
| 227 | * @vf: pointer to the VF info |
| 228 | * @vsi_id: VF relative VSI id |
| 229 | * |
| 230 | * check for the valid VSI id |
| 231 | **/ |
| 232 | static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id) |
| 233 | { |
| 234 | struct i40e_pf *pf = vf->pf; |
| 235 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
| 236 | |
| 237 | return (vsi && (vsi->vf_id == vf->vf_id)); |
| 238 | } |
| 239 | |
| 240 | /** |
| 241 | * i40e_vc_isvalid_queue_id |
| 242 | * @vf: pointer to the VF info |
| 243 | * @vsi_id: vsi id |
| 244 | * @qid: vsi relative queue id |
| 245 | * |
| 246 | * check for the valid queue id |
| 247 | **/ |
| 248 | static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, |
| 249 | u16 qid) |
| 250 | { |
| 251 | struct i40e_pf *pf = vf->pf; |
| 252 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
| 253 | |
| 254 | return (vsi && (qid < vsi->alloc_queue_pairs)); |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * i40e_vc_isvalid_vector_id |
| 259 | * @vf: pointer to the VF info |
| 260 | * @vector_id: VF relative vector id |
| 261 | * |
| 262 | * check for the valid vector id |
| 263 | **/ |
| 264 | static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u32 vector_id) |
| 265 | { |
| 266 | struct i40e_pf *pf = vf->pf; |
| 267 | |
| 268 | return vector_id < pf->hw.func_caps.num_msix_vectors_vf; |
| 269 | } |
| 270 | |
| 271 | /***********************vf resource mgmt routines*****************/ |
| 272 | |
| 273 | /** |
| 274 | * i40e_vc_get_pf_queue_id |
| 275 | * @vf: pointer to the VF info |
| 276 | * @vsi_id: id of VSI as provided by the FW |
| 277 | * @vsi_queue_id: vsi relative queue id |
| 278 | * |
| 279 | * return PF relative queue id |
| 280 | **/ |
| 281 | static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id, |
| 282 | u8 vsi_queue_id) |
| 283 | { |
| 284 | struct i40e_pf *pf = vf->pf; |
| 285 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
| 286 | u16 pf_queue_id = I40E_QUEUE_END_OF_LIST; |
| 287 | |
| 288 | if (!vsi) |
| 289 | return pf_queue_id; |
| 290 | |
| 291 | if (le16_to_cpu(vsi->info.mapping_flags) & |
| 292 | I40E_AQ_VSI_QUE_MAP_NONCONTIG) |
| 293 | pf_queue_id = |
| 294 | le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]); |
| 295 | else |
| 296 | pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) + |
| 297 | vsi_queue_id; |
| 298 | |
| 299 | return pf_queue_id; |
| 300 | } |
| 301 | |
| 302 | /** |
| 303 | * i40e_get_real_pf_qid |
| 304 | * @vf: pointer to the VF info |
| 305 | * @vsi_id: vsi id |
| 306 | * @queue_id: queue number |
| 307 | * |
| 308 | * wrapper function to get pf_queue_id handling ADq code as well |
| 309 | **/ |
| 310 | static u16 i40e_get_real_pf_qid(struct i40e_vf *vf, u16 vsi_id, u16 queue_id) |
| 311 | { |
| 312 | int i; |
| 313 | |
| 314 | if (vf->adq_enabled) { |
| 315 | /* Although VF considers all the queues(can be 1 to 16) as its |
| 316 | * own but they may actually belong to different VSIs(up to 4). |
| 317 | * We need to find which queues belongs to which VSI. |
| 318 | */ |
| 319 | for (i = 0; i < vf->num_tc; i++) { |
| 320 | if (queue_id < vf->ch[i].num_qps) { |
| 321 | vsi_id = vf->ch[i].vsi_id; |
| 322 | break; |
| 323 | } |
| 324 | /* find right queue id which is relative to a |
| 325 | * given VSI. |
| 326 | */ |
| 327 | queue_id -= vf->ch[i].num_qps; |
| 328 | } |
| 329 | } |
| 330 | |
| 331 | return i40e_vc_get_pf_queue_id(vf, vsi_id, queue_id); |
| 332 | } |
| 333 | |
| 334 | /** |
| 335 | * i40e_config_irq_link_list |
| 336 | * @vf: pointer to the VF info |
| 337 | * @vsi_id: id of VSI as given by the FW |
| 338 | * @vecmap: irq map info |
| 339 | * |
| 340 | * configure irq link list from the map |
| 341 | **/ |
| 342 | static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id, |
| 343 | struct virtchnl_vector_map *vecmap) |
| 344 | { |
| 345 | unsigned long linklistmap = 0, tempmap; |
| 346 | struct i40e_pf *pf = vf->pf; |
| 347 | struct i40e_hw *hw = &pf->hw; |
| 348 | u16 vsi_queue_id, pf_queue_id; |
| 349 | enum i40e_queue_type qtype; |
| 350 | u16 next_q, vector_id, size; |
| 351 | u32 reg, reg_idx; |
| 352 | u16 itr_idx = 0; |
| 353 | |
| 354 | vector_id = vecmap->vector_id; |
| 355 | /* setup the head */ |
| 356 | if (0 == vector_id) |
| 357 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); |
| 358 | else |
| 359 | reg_idx = I40E_VPINT_LNKLSTN( |
| 360 | ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) + |
| 361 | (vector_id - 1)); |
| 362 | |
| 363 | if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { |
| 364 | /* Special case - No queues mapped on this vector */ |
| 365 | wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK); |
| 366 | goto irq_list_done; |
| 367 | } |
| 368 | tempmap = vecmap->rxq_map; |
| 369 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
| 370 | linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES * |
| 371 | vsi_queue_id)); |
| 372 | } |
| 373 | |
| 374 | tempmap = vecmap->txq_map; |
| 375 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
| 376 | linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES * |
| 377 | vsi_queue_id + 1)); |
| 378 | } |
| 379 | |
| 380 | size = I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 381 | next_q = find_first_bit(&linklistmap, size); |
| 382 | if (unlikely(next_q == size)) |
| 383 | goto irq_list_done; |
| 384 | |
| 385 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 386 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 387 | pf_queue_id = i40e_get_real_pf_qid(vf, vsi_id, vsi_queue_id); |
| 388 | reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id); |
| 389 | |
| 390 | wr32(hw, reg_idx, reg); |
| 391 | |
| 392 | while (next_q < size) { |
| 393 | switch (qtype) { |
| 394 | case I40E_QUEUE_TYPE_RX: |
| 395 | reg_idx = I40E_QINT_RQCTL(pf_queue_id); |
| 396 | itr_idx = vecmap->rxitr_idx; |
| 397 | break; |
| 398 | case I40E_QUEUE_TYPE_TX: |
| 399 | reg_idx = I40E_QINT_TQCTL(pf_queue_id); |
| 400 | itr_idx = vecmap->txitr_idx; |
| 401 | break; |
| 402 | default: |
| 403 | break; |
| 404 | } |
| 405 | |
| 406 | next_q = find_next_bit(&linklistmap, size, next_q + 1); |
| 407 | if (next_q < size) { |
| 408 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 409 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; |
| 410 | pf_queue_id = i40e_get_real_pf_qid(vf, |
| 411 | vsi_id, |
| 412 | vsi_queue_id); |
| 413 | } else { |
| 414 | pf_queue_id = I40E_QUEUE_END_OF_LIST; |
| 415 | qtype = 0; |
| 416 | } |
| 417 | |
| 418 | /* format for the RQCTL & TQCTL regs is same */ |
| 419 | reg = (vector_id) | |
| 420 | (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | |
| 421 | (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | |
| 422 | BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | |
| 423 | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); |
| 424 | wr32(hw, reg_idx, reg); |
| 425 | } |
| 426 | |
| 427 | /* if the vf is running in polling mode and using interrupt zero, |
| 428 | * need to disable auto-mask on enabling zero interrupt for VFs. |
| 429 | */ |
| 430 | if ((vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) && |
| 431 | (vector_id == 0)) { |
| 432 | reg = rd32(hw, I40E_GLINT_CTL); |
| 433 | if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) { |
| 434 | reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK; |
| 435 | wr32(hw, I40E_GLINT_CTL, reg); |
| 436 | } |
| 437 | } |
| 438 | |
| 439 | irq_list_done: |
| 440 | i40e_flush(hw); |
| 441 | } |
| 442 | |
| 443 | /** |
| 444 | * i40e_release_iwarp_qvlist |
| 445 | * @vf: pointer to the VF. |
| 446 | * |
| 447 | **/ |
| 448 | static void i40e_release_iwarp_qvlist(struct i40e_vf *vf) |
| 449 | { |
| 450 | struct i40e_pf *pf = vf->pf; |
| 451 | struct virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info; |
| 452 | u32 msix_vf; |
| 453 | u32 i; |
| 454 | |
| 455 | if (!vf->qvlist_info) |
| 456 | return; |
| 457 | |
| 458 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
| 459 | for (i = 0; i < qvlist_info->num_vectors; i++) { |
| 460 | struct virtchnl_iwarp_qv_info *qv_info; |
| 461 | u32 next_q_index, next_q_type; |
| 462 | struct i40e_hw *hw = &pf->hw; |
| 463 | u32 v_idx, reg_idx, reg; |
| 464 | |
| 465 | qv_info = &qvlist_info->qv_info[i]; |
| 466 | if (!qv_info) |
| 467 | continue; |
| 468 | v_idx = qv_info->v_idx; |
| 469 | if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) { |
| 470 | /* Figure out the queue after CEQ and make that the |
| 471 | * first queue. |
| 472 | */ |
| 473 | reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx; |
| 474 | reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx)); |
| 475 | next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK) |
| 476 | >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT; |
| 477 | next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK) |
| 478 | >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT; |
| 479 | |
| 480 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); |
| 481 | reg = (next_q_index & |
| 482 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) | |
| 483 | (next_q_type << |
| 484 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); |
| 485 | |
| 486 | wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg); |
| 487 | } |
| 488 | } |
| 489 | kfree(vf->qvlist_info); |
| 490 | vf->qvlist_info = NULL; |
| 491 | } |
| 492 | |
| 493 | /** |
| 494 | * i40e_config_iwarp_qvlist |
| 495 | * @vf: pointer to the VF info |
| 496 | * @qvlist_info: queue and vector list |
| 497 | * |
| 498 | * Return 0 on success or < 0 on error |
| 499 | **/ |
| 500 | static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, |
| 501 | struct virtchnl_iwarp_qvlist_info *qvlist_info) |
| 502 | { |
| 503 | struct i40e_pf *pf = vf->pf; |
| 504 | struct i40e_hw *hw = &pf->hw; |
| 505 | struct virtchnl_iwarp_qv_info *qv_info; |
| 506 | u32 v_idx, i, reg_idx, reg; |
| 507 | u32 next_q_idx, next_q_type; |
| 508 | u32 msix_vf; |
| 509 | int ret = 0; |
| 510 | |
| 511 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
| 512 | |
| 513 | if (qvlist_info->num_vectors > msix_vf) { |
| 514 | dev_warn(&pf->pdev->dev, |
| 515 | "Incorrect number of iwarp vectors %u. Maximum %u allowed.\n", |
| 516 | qvlist_info->num_vectors, |
| 517 | msix_vf); |
| 518 | ret = -EINVAL; |
| 519 | goto err_out; |
| 520 | } |
| 521 | |
| 522 | kfree(vf->qvlist_info); |
| 523 | vf->qvlist_info = kzalloc(struct_size(vf->qvlist_info, qv_info, |
| 524 | qvlist_info->num_vectors - 1), |
| 525 | GFP_KERNEL); |
| 526 | if (!vf->qvlist_info) { |
| 527 | ret = -ENOMEM; |
| 528 | goto err_out; |
| 529 | } |
| 530 | vf->qvlist_info->num_vectors = qvlist_info->num_vectors; |
| 531 | |
| 532 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
| 533 | for (i = 0; i < qvlist_info->num_vectors; i++) { |
| 534 | qv_info = &qvlist_info->qv_info[i]; |
| 535 | if (!qv_info) |
| 536 | continue; |
| 537 | |
| 538 | /* Validate vector id belongs to this vf */ |
| 539 | if (!i40e_vc_isvalid_vector_id(vf, qv_info->v_idx)) { |
| 540 | ret = -EINVAL; |
| 541 | goto err_free; |
| 542 | } |
| 543 | |
| 544 | v_idx = qv_info->v_idx; |
| 545 | |
| 546 | vf->qvlist_info->qv_info[i] = *qv_info; |
| 547 | |
| 548 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); |
| 549 | /* We might be sharing the interrupt, so get the first queue |
| 550 | * index and type, push it down the list by adding the new |
| 551 | * queue on top. Also link it with the new queue in CEQCTL. |
| 552 | */ |
| 553 | reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx)); |
| 554 | next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >> |
| 555 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT); |
| 556 | next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >> |
| 557 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); |
| 558 | |
| 559 | if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) { |
| 560 | reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx; |
| 561 | reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK | |
| 562 | (v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) | |
| 563 | (qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) | |
| 564 | (next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) | |
| 565 | (next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT)); |
| 566 | wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg); |
| 567 | |
| 568 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); |
| 569 | reg = (qv_info->ceq_idx & |
| 570 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) | |
| 571 | (I40E_QUEUE_TYPE_PE_CEQ << |
| 572 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); |
| 573 | wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg); |
| 574 | } |
| 575 | |
| 576 | if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) { |
| 577 | reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK | |
| 578 | (v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) | |
| 579 | (qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT)); |
| 580 | |
| 581 | wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg); |
| 582 | } |
| 583 | } |
| 584 | |
| 585 | return 0; |
| 586 | err_free: |
| 587 | kfree(vf->qvlist_info); |
| 588 | vf->qvlist_info = NULL; |
| 589 | err_out: |
| 590 | return ret; |
| 591 | } |
| 592 | |
| 593 | /** |
| 594 | * i40e_config_vsi_tx_queue |
| 595 | * @vf: pointer to the VF info |
| 596 | * @vsi_id: id of VSI as provided by the FW |
| 597 | * @vsi_queue_id: vsi relative queue index |
| 598 | * @info: config. info |
| 599 | * |
| 600 | * configure tx queue |
| 601 | **/ |
| 602 | static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id, |
| 603 | u16 vsi_queue_id, |
| 604 | struct virtchnl_txq_info *info) |
| 605 | { |
| 606 | struct i40e_pf *pf = vf->pf; |
| 607 | struct i40e_hw *hw = &pf->hw; |
| 608 | struct i40e_hmc_obj_txq tx_ctx; |
| 609 | struct i40e_vsi *vsi; |
| 610 | u16 pf_queue_id; |
| 611 | u32 qtx_ctl; |
| 612 | int ret = 0; |
| 613 | |
| 614 | if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) { |
| 615 | ret = -ENOENT; |
| 616 | goto error_context; |
| 617 | } |
| 618 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
| 619 | vsi = i40e_find_vsi_from_id(pf, vsi_id); |
| 620 | if (!vsi) { |
| 621 | ret = -ENOENT; |
| 622 | goto error_context; |
| 623 | } |
| 624 | |
| 625 | /* clear the context structure first */ |
| 626 | memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq)); |
| 627 | |
| 628 | /* only set the required fields */ |
| 629 | tx_ctx.base = info->dma_ring_addr / 128; |
| 630 | tx_ctx.qlen = info->ring_len; |
| 631 | tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]); |
| 632 | tx_ctx.rdylist_act = 0; |
| 633 | tx_ctx.head_wb_ena = info->headwb_enabled; |
| 634 | tx_ctx.head_wb_addr = info->dma_headwb_addr; |
| 635 | |
| 636 | /* clear the context in the HMC */ |
| 637 | ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); |
| 638 | if (ret) { |
| 639 | dev_err(&pf->pdev->dev, |
| 640 | "Failed to clear VF LAN Tx queue context %d, error: %d\n", |
| 641 | pf_queue_id, ret); |
| 642 | ret = -ENOENT; |
| 643 | goto error_context; |
| 644 | } |
| 645 | |
| 646 | /* set the context in the HMC */ |
| 647 | ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx); |
| 648 | if (ret) { |
| 649 | dev_err(&pf->pdev->dev, |
| 650 | "Failed to set VF LAN Tx queue context %d error: %d\n", |
| 651 | pf_queue_id, ret); |
| 652 | ret = -ENOENT; |
| 653 | goto error_context; |
| 654 | } |
| 655 | |
| 656 | /* associate this queue with the PCI VF function */ |
| 657 | qtx_ctl = I40E_QTX_CTL_VF_QUEUE; |
| 658 | qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) |
| 659 | & I40E_QTX_CTL_PF_INDX_MASK); |
| 660 | qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) |
| 661 | << I40E_QTX_CTL_VFVM_INDX_SHIFT) |
| 662 | & I40E_QTX_CTL_VFVM_INDX_MASK); |
| 663 | wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl); |
| 664 | i40e_flush(hw); |
| 665 | |
| 666 | error_context: |
| 667 | return ret; |
| 668 | } |
| 669 | |
| 670 | /** |
| 671 | * i40e_config_vsi_rx_queue |
| 672 | * @vf: pointer to the VF info |
| 673 | * @vsi_id: id of VSI as provided by the FW |
| 674 | * @vsi_queue_id: vsi relative queue index |
| 675 | * @info: config. info |
| 676 | * |
| 677 | * configure rx queue |
| 678 | **/ |
| 679 | static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, |
| 680 | u16 vsi_queue_id, |
| 681 | struct virtchnl_rxq_info *info) |
| 682 | { |
| 683 | u16 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
| 684 | struct i40e_pf *pf = vf->pf; |
| 685 | struct i40e_vsi *vsi = pf->vsi[vf->lan_vsi_idx]; |
| 686 | struct i40e_hw *hw = &pf->hw; |
| 687 | struct i40e_hmc_obj_rxq rx_ctx; |
| 688 | int ret = 0; |
| 689 | |
| 690 | /* clear the context structure first */ |
| 691 | memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); |
| 692 | |
| 693 | /* only set the required fields */ |
| 694 | rx_ctx.base = info->dma_ring_addr / 128; |
| 695 | rx_ctx.qlen = info->ring_len; |
| 696 | |
| 697 | if (info->splithdr_enabled) { |
| 698 | rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 | |
| 699 | I40E_RX_SPLIT_IP | |
| 700 | I40E_RX_SPLIT_TCP_UDP | |
| 701 | I40E_RX_SPLIT_SCTP; |
| 702 | /* header length validation */ |
| 703 | if (info->hdr_size > ((2 * 1024) - 64)) { |
| 704 | ret = -EINVAL; |
| 705 | goto error_param; |
| 706 | } |
| 707 | rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; |
| 708 | |
| 709 | /* set split mode 10b */ |
| 710 | rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT; |
| 711 | } |
| 712 | |
| 713 | /* databuffer length validation */ |
| 714 | if (info->databuffer_size > ((16 * 1024) - 128)) { |
| 715 | ret = -EINVAL; |
| 716 | goto error_param; |
| 717 | } |
| 718 | rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; |
| 719 | |
| 720 | /* max pkt. length validation */ |
| 721 | if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) { |
| 722 | ret = -EINVAL; |
| 723 | goto error_param; |
| 724 | } |
| 725 | rx_ctx.rxmax = info->max_pkt_size; |
| 726 | |
| 727 | /* if port VLAN is configured increase the max packet size */ |
| 728 | if (vsi->info.pvid) |
| 729 | rx_ctx.rxmax += VLAN_HLEN; |
| 730 | |
| 731 | /* enable 32bytes desc always */ |
| 732 | rx_ctx.dsize = 1; |
| 733 | |
| 734 | /* default values */ |
| 735 | rx_ctx.lrxqthresh = 1; |
| 736 | rx_ctx.crcstrip = 1; |
| 737 | rx_ctx.prefena = 1; |
| 738 | rx_ctx.l2tsel = 1; |
| 739 | |
| 740 | /* clear the context in the HMC */ |
| 741 | ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); |
| 742 | if (ret) { |
| 743 | dev_err(&pf->pdev->dev, |
| 744 | "Failed to clear VF LAN Rx queue context %d, error: %d\n", |
| 745 | pf_queue_id, ret); |
| 746 | ret = -ENOENT; |
| 747 | goto error_param; |
| 748 | } |
| 749 | |
| 750 | /* set the context in the HMC */ |
| 751 | ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx); |
| 752 | if (ret) { |
| 753 | dev_err(&pf->pdev->dev, |
| 754 | "Failed to set VF LAN Rx queue context %d error: %d\n", |
| 755 | pf_queue_id, ret); |
| 756 | ret = -ENOENT; |
| 757 | goto error_param; |
| 758 | } |
| 759 | |
| 760 | error_param: |
| 761 | return ret; |
| 762 | } |
| 763 | |
| 764 | /** |
| 765 | * i40e_alloc_vsi_res |
| 766 | * @vf: pointer to the VF info |
| 767 | * @idx: VSI index, applies only for ADq mode, zero otherwise |
| 768 | * |
| 769 | * alloc VF vsi context & resources |
| 770 | **/ |
| 771 | static int i40e_alloc_vsi_res(struct i40e_vf *vf, u8 idx) |
| 772 | { |
| 773 | struct i40e_mac_filter *f = NULL; |
| 774 | struct i40e_pf *pf = vf->pf; |
| 775 | struct i40e_vsi *vsi; |
| 776 | u64 max_tx_rate = 0; |
| 777 | int ret = 0; |
| 778 | |
| 779 | vsi = i40e_vsi_setup(pf, I40E_VSI_SRIOV, pf->vsi[pf->lan_vsi]->seid, |
| 780 | vf->vf_id); |
| 781 | |
| 782 | if (!vsi) { |
| 783 | dev_err(&pf->pdev->dev, |
| 784 | "add vsi failed for VF %d, aq_err %d\n", |
| 785 | vf->vf_id, pf->hw.aq.asq_last_status); |
| 786 | ret = -ENOENT; |
| 787 | goto error_alloc_vsi_res; |
| 788 | } |
| 789 | |
| 790 | if (!idx) { |
| 791 | u64 hena = i40e_pf_get_default_rss_hena(pf); |
| 792 | u8 broadcast[ETH_ALEN]; |
| 793 | |
| 794 | vf->lan_vsi_idx = vsi->idx; |
| 795 | vf->lan_vsi_id = vsi->id; |
| 796 | /* If the port VLAN has been configured and then the |
| 797 | * VF driver was removed then the VSI port VLAN |
| 798 | * configuration was destroyed. Check if there is |
| 799 | * a port VLAN and restore the VSI configuration if |
| 800 | * needed. |
| 801 | */ |
| 802 | if (vf->port_vlan_id) |
| 803 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); |
| 804 | |
| 805 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 806 | if (is_valid_ether_addr(vf->default_lan_addr.addr)) { |
| 807 | f = i40e_add_mac_filter(vsi, |
| 808 | vf->default_lan_addr.addr); |
| 809 | if (!f) |
| 810 | dev_info(&pf->pdev->dev, |
| 811 | "Could not add MAC filter %pM for VF %d\n", |
| 812 | vf->default_lan_addr.addr, vf->vf_id); |
| 813 | } |
| 814 | eth_broadcast_addr(broadcast); |
| 815 | f = i40e_add_mac_filter(vsi, broadcast); |
| 816 | if (!f) |
| 817 | dev_info(&pf->pdev->dev, |
| 818 | "Could not allocate VF broadcast filter\n"); |
| 819 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 820 | wr32(&pf->hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)hena); |
| 821 | wr32(&pf->hw, I40E_VFQF_HENA1(1, vf->vf_id), (u32)(hena >> 32)); |
| 822 | /* program mac filter only for VF VSI */ |
| 823 | ret = i40e_sync_vsi_filters(vsi); |
| 824 | if (ret) |
| 825 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
| 826 | } |
| 827 | |
| 828 | /* storing VSI index and id for ADq and don't apply the mac filter */ |
| 829 | if (vf->adq_enabled) { |
| 830 | vf->ch[idx].vsi_idx = vsi->idx; |
| 831 | vf->ch[idx].vsi_id = vsi->id; |
| 832 | } |
| 833 | |
| 834 | /* Set VF bandwidth if specified */ |
| 835 | if (vf->tx_rate) { |
| 836 | max_tx_rate = vf->tx_rate; |
| 837 | } else if (vf->ch[idx].max_tx_rate) { |
| 838 | max_tx_rate = vf->ch[idx].max_tx_rate; |
| 839 | } |
| 840 | |
| 841 | if (max_tx_rate) { |
| 842 | max_tx_rate = div_u64(max_tx_rate, I40E_BW_CREDIT_DIVISOR); |
| 843 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
| 844 | max_tx_rate, 0, NULL); |
| 845 | if (ret) |
| 846 | dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", |
| 847 | vf->vf_id, ret); |
| 848 | } |
| 849 | |
| 850 | error_alloc_vsi_res: |
| 851 | return ret; |
| 852 | } |
| 853 | |
| 854 | /** |
| 855 | * i40e_map_pf_queues_to_vsi |
| 856 | * @vf: pointer to the VF info |
| 857 | * |
| 858 | * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This |
| 859 | * function takes care of first part VSILAN_QTABLE, mapping pf queues to VSI. |
| 860 | **/ |
| 861 | static void i40e_map_pf_queues_to_vsi(struct i40e_vf *vf) |
| 862 | { |
| 863 | struct i40e_pf *pf = vf->pf; |
| 864 | struct i40e_hw *hw = &pf->hw; |
| 865 | u32 reg, num_tc = 1; /* VF has at least one traffic class */ |
| 866 | u16 vsi_id, qps; |
| 867 | int i, j; |
| 868 | |
| 869 | if (vf->adq_enabled) |
| 870 | num_tc = vf->num_tc; |
| 871 | |
| 872 | for (i = 0; i < num_tc; i++) { |
| 873 | if (vf->adq_enabled) { |
| 874 | qps = vf->ch[i].num_qps; |
| 875 | vsi_id = vf->ch[i].vsi_id; |
| 876 | } else { |
| 877 | qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
| 878 | vsi_id = vf->lan_vsi_id; |
| 879 | } |
| 880 | |
| 881 | for (j = 0; j < 7; j++) { |
| 882 | if (j * 2 >= qps) { |
| 883 | /* end of list */ |
| 884 | reg = 0x07FF07FF; |
| 885 | } else { |
| 886 | u16 qid = i40e_vc_get_pf_queue_id(vf, |
| 887 | vsi_id, |
| 888 | j * 2); |
| 889 | reg = qid; |
| 890 | qid = i40e_vc_get_pf_queue_id(vf, vsi_id, |
| 891 | (j * 2) + 1); |
| 892 | reg |= qid << 16; |
| 893 | } |
| 894 | i40e_write_rx_ctl(hw, |
| 895 | I40E_VSILAN_QTABLE(j, vsi_id), |
| 896 | reg); |
| 897 | } |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | /** |
| 902 | * i40e_map_pf_to_vf_queues |
| 903 | * @vf: pointer to the VF info |
| 904 | * |
| 905 | * PF maps LQPs to a VF by programming VSILAN_QTABLE & VPLAN_QTABLE. This |
| 906 | * function takes care of the second part VPLAN_QTABLE & completes VF mappings. |
| 907 | **/ |
| 908 | static void i40e_map_pf_to_vf_queues(struct i40e_vf *vf) |
| 909 | { |
| 910 | struct i40e_pf *pf = vf->pf; |
| 911 | struct i40e_hw *hw = &pf->hw; |
| 912 | u32 reg, total_qps = 0; |
| 913 | u32 qps, num_tc = 1; /* VF has at least one traffic class */ |
| 914 | u16 vsi_id, qid; |
| 915 | int i, j; |
| 916 | |
| 917 | if (vf->adq_enabled) |
| 918 | num_tc = vf->num_tc; |
| 919 | |
| 920 | for (i = 0; i < num_tc; i++) { |
| 921 | if (vf->adq_enabled) { |
| 922 | qps = vf->ch[i].num_qps; |
| 923 | vsi_id = vf->ch[i].vsi_id; |
| 924 | } else { |
| 925 | qps = pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
| 926 | vsi_id = vf->lan_vsi_id; |
| 927 | } |
| 928 | |
| 929 | for (j = 0; j < qps; j++) { |
| 930 | qid = i40e_vc_get_pf_queue_id(vf, vsi_id, j); |
| 931 | |
| 932 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); |
| 933 | wr32(hw, I40E_VPLAN_QTABLE(total_qps, vf->vf_id), |
| 934 | reg); |
| 935 | total_qps++; |
| 936 | } |
| 937 | } |
| 938 | } |
| 939 | |
| 940 | /** |
| 941 | * i40e_enable_vf_mappings |
| 942 | * @vf: pointer to the VF info |
| 943 | * |
| 944 | * enable VF mappings |
| 945 | **/ |
| 946 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) |
| 947 | { |
| 948 | struct i40e_pf *pf = vf->pf; |
| 949 | struct i40e_hw *hw = &pf->hw; |
| 950 | u32 reg; |
| 951 | |
| 952 | /* Tell the hardware we're using noncontiguous mapping. HW requires |
| 953 | * that VF queues be mapped using this method, even when they are |
| 954 | * contiguous in real life |
| 955 | */ |
| 956 | i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), |
| 957 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); |
| 958 | |
| 959 | /* enable VF vplan_qtable mappings */ |
| 960 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; |
| 961 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); |
| 962 | |
| 963 | i40e_map_pf_to_vf_queues(vf); |
| 964 | i40e_map_pf_queues_to_vsi(vf); |
| 965 | |
| 966 | i40e_flush(hw); |
| 967 | } |
| 968 | |
| 969 | /** |
| 970 | * i40e_disable_vf_mappings |
| 971 | * @vf: pointer to the VF info |
| 972 | * |
| 973 | * disable VF mappings |
| 974 | **/ |
| 975 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) |
| 976 | { |
| 977 | struct i40e_pf *pf = vf->pf; |
| 978 | struct i40e_hw *hw = &pf->hw; |
| 979 | int i; |
| 980 | |
| 981 | /* disable qp mappings */ |
| 982 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); |
| 983 | for (i = 0; i < I40E_MAX_VSI_QP; i++) |
| 984 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), |
| 985 | I40E_QUEUE_END_OF_LIST); |
| 986 | i40e_flush(hw); |
| 987 | } |
| 988 | |
| 989 | /** |
| 990 | * i40e_free_vf_res |
| 991 | * @vf: pointer to the VF info |
| 992 | * |
| 993 | * free VF resources |
| 994 | **/ |
| 995 | static void i40e_free_vf_res(struct i40e_vf *vf) |
| 996 | { |
| 997 | struct i40e_pf *pf = vf->pf; |
| 998 | struct i40e_hw *hw = &pf->hw; |
| 999 | u32 reg_idx, reg; |
| 1000 | int i, j, msix_vf; |
| 1001 | |
| 1002 | /* Start by disabling VF's configuration API to prevent the OS from |
| 1003 | * accessing the VF's VSI after it's freed / invalidated. |
| 1004 | */ |
| 1005 | clear_bit(I40E_VF_STATE_INIT, &vf->vf_states); |
| 1006 | |
| 1007 | /* It's possible the VF had requeuested more queues than the default so |
| 1008 | * do the accounting here when we're about to free them. |
| 1009 | */ |
| 1010 | if (vf->num_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF) { |
| 1011 | pf->queues_left += vf->num_queue_pairs - |
| 1012 | I40E_DEFAULT_QUEUES_PER_VF; |
| 1013 | } |
| 1014 | |
| 1015 | /* free vsi & disconnect it from the parent uplink */ |
| 1016 | if (vf->lan_vsi_idx) { |
| 1017 | i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]); |
| 1018 | vf->lan_vsi_idx = 0; |
| 1019 | vf->lan_vsi_id = 0; |
| 1020 | } |
| 1021 | |
| 1022 | /* do the accounting and remove additional ADq VSI's */ |
| 1023 | if (vf->adq_enabled && vf->ch[0].vsi_idx) { |
| 1024 | for (j = 0; j < vf->num_tc; j++) { |
| 1025 | /* At this point VSI0 is already released so don't |
| 1026 | * release it again and only clear their values in |
| 1027 | * structure variables |
| 1028 | */ |
| 1029 | if (j) |
| 1030 | i40e_vsi_release(pf->vsi[vf->ch[j].vsi_idx]); |
| 1031 | vf->ch[j].vsi_idx = 0; |
| 1032 | vf->ch[j].vsi_id = 0; |
| 1033 | } |
| 1034 | } |
| 1035 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
| 1036 | |
| 1037 | /* disable interrupts so the VF starts in a known state */ |
| 1038 | for (i = 0; i < msix_vf; i++) { |
| 1039 | /* format is same for both registers */ |
| 1040 | if (0 == i) |
| 1041 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); |
| 1042 | else |
| 1043 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * |
| 1044 | (vf->vf_id)) |
| 1045 | + (i - 1)); |
| 1046 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); |
| 1047 | i40e_flush(hw); |
| 1048 | } |
| 1049 | |
| 1050 | /* clear the irq settings */ |
| 1051 | for (i = 0; i < msix_vf; i++) { |
| 1052 | /* format is same for both registers */ |
| 1053 | if (0 == i) |
| 1054 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); |
| 1055 | else |
| 1056 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * |
| 1057 | (vf->vf_id)) |
| 1058 | + (i - 1)); |
| 1059 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | |
| 1060 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); |
| 1061 | wr32(hw, reg_idx, reg); |
| 1062 | i40e_flush(hw); |
| 1063 | } |
| 1064 | /* reset some of the state variables keeping track of the resources */ |
| 1065 | vf->num_queue_pairs = 0; |
| 1066 | clear_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states); |
| 1067 | clear_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states); |
| 1068 | } |
| 1069 | |
| 1070 | /** |
| 1071 | * i40e_alloc_vf_res |
| 1072 | * @vf: pointer to the VF info |
| 1073 | * |
| 1074 | * allocate VF resources |
| 1075 | **/ |
| 1076 | static int i40e_alloc_vf_res(struct i40e_vf *vf) |
| 1077 | { |
| 1078 | struct i40e_pf *pf = vf->pf; |
| 1079 | int total_queue_pairs = 0; |
| 1080 | int ret, idx; |
| 1081 | |
| 1082 | if (vf->num_req_queues && |
| 1083 | vf->num_req_queues <= pf->queues_left + I40E_DEFAULT_QUEUES_PER_VF) |
| 1084 | pf->num_vf_qps = vf->num_req_queues; |
| 1085 | else |
| 1086 | pf->num_vf_qps = I40E_DEFAULT_QUEUES_PER_VF; |
| 1087 | |
| 1088 | /* allocate hw vsi context & associated resources */ |
| 1089 | ret = i40e_alloc_vsi_res(vf, 0); |
| 1090 | if (ret) |
| 1091 | goto error_alloc; |
| 1092 | total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
| 1093 | |
| 1094 | /* allocate additional VSIs based on tc information for ADq */ |
| 1095 | if (vf->adq_enabled) { |
| 1096 | if (pf->queues_left >= |
| 1097 | (I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF)) { |
| 1098 | /* TC 0 always belongs to VF VSI */ |
| 1099 | for (idx = 1; idx < vf->num_tc; idx++) { |
| 1100 | ret = i40e_alloc_vsi_res(vf, idx); |
| 1101 | if (ret) |
| 1102 | goto error_alloc; |
| 1103 | } |
| 1104 | /* send correct number of queues */ |
| 1105 | total_queue_pairs = I40E_MAX_VF_QUEUES; |
| 1106 | } else { |
| 1107 | dev_info(&pf->pdev->dev, "VF %d: Not enough queues to allocate, disabling ADq\n", |
| 1108 | vf->vf_id); |
| 1109 | vf->adq_enabled = false; |
| 1110 | } |
| 1111 | } |
| 1112 | |
| 1113 | /* We account for each VF to get a default number of queue pairs. If |
| 1114 | * the VF has now requested more, we need to account for that to make |
| 1115 | * certain we never request more queues than we actually have left in |
| 1116 | * HW. |
| 1117 | */ |
| 1118 | if (total_queue_pairs > I40E_DEFAULT_QUEUES_PER_VF) |
| 1119 | pf->queues_left -= |
| 1120 | total_queue_pairs - I40E_DEFAULT_QUEUES_PER_VF; |
| 1121 | |
| 1122 | if (vf->trusted) |
| 1123 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
| 1124 | else |
| 1125 | clear_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
| 1126 | |
| 1127 | /* store the total qps number for the runtime |
| 1128 | * VF req validation |
| 1129 | */ |
| 1130 | vf->num_queue_pairs = total_queue_pairs; |
| 1131 | |
| 1132 | /* VF is now completely initialized */ |
| 1133 | set_bit(I40E_VF_STATE_INIT, &vf->vf_states); |
| 1134 | |
| 1135 | error_alloc: |
| 1136 | if (ret) |
| 1137 | i40e_free_vf_res(vf); |
| 1138 | |
| 1139 | return ret; |
| 1140 | } |
| 1141 | |
| 1142 | #define VF_DEVICE_STATUS 0xAA |
| 1143 | #define VF_TRANS_PENDING_MASK 0x20 |
| 1144 | /** |
| 1145 | * i40e_quiesce_vf_pci |
| 1146 | * @vf: pointer to the VF structure |
| 1147 | * |
| 1148 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO |
| 1149 | * if the transactions never clear. |
| 1150 | **/ |
| 1151 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) |
| 1152 | { |
| 1153 | struct i40e_pf *pf = vf->pf; |
| 1154 | struct i40e_hw *hw = &pf->hw; |
| 1155 | int vf_abs_id, i; |
| 1156 | u32 reg; |
| 1157 | |
| 1158 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
| 1159 | |
| 1160 | wr32(hw, I40E_PF_PCI_CIAA, |
| 1161 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); |
| 1162 | for (i = 0; i < 100; i++) { |
| 1163 | reg = rd32(hw, I40E_PF_PCI_CIAD); |
| 1164 | if ((reg & VF_TRANS_PENDING_MASK) == 0) |
| 1165 | return 0; |
| 1166 | udelay(1); |
| 1167 | } |
| 1168 | return -EIO; |
| 1169 | } |
| 1170 | |
| 1171 | /** |
| 1172 | * __i40e_getnum_vf_vsi_vlan_filters |
| 1173 | * @vsi: pointer to the vsi |
| 1174 | * |
| 1175 | * called to get the number of VLANs offloaded on this VF |
| 1176 | **/ |
| 1177 | static int __i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi) |
| 1178 | { |
| 1179 | struct i40e_mac_filter *f; |
| 1180 | u16 num_vlans = 0, bkt; |
| 1181 | |
| 1182 | hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { |
| 1183 | if (f->vlan >= 0 && f->vlan <= I40E_MAX_VLANID) |
| 1184 | num_vlans++; |
| 1185 | } |
| 1186 | |
| 1187 | return num_vlans; |
| 1188 | } |
| 1189 | |
| 1190 | /** |
| 1191 | * i40e_getnum_vf_vsi_vlan_filters |
| 1192 | * @vsi: pointer to the vsi |
| 1193 | * |
| 1194 | * wrapper for __i40e_getnum_vf_vsi_vlan_filters() with spinlock held |
| 1195 | **/ |
| 1196 | static int i40e_getnum_vf_vsi_vlan_filters(struct i40e_vsi *vsi) |
| 1197 | { |
| 1198 | int num_vlans; |
| 1199 | |
| 1200 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 1201 | num_vlans = __i40e_getnum_vf_vsi_vlan_filters(vsi); |
| 1202 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 1203 | |
| 1204 | return num_vlans; |
| 1205 | } |
| 1206 | |
| 1207 | /** |
| 1208 | * i40e_get_vlan_list_sync |
| 1209 | * @vsi: pointer to the VSI |
| 1210 | * @num_vlans: number of VLANs in mac_filter_hash, returned to caller |
| 1211 | * @vlan_list: list of VLANs present in mac_filter_hash, returned to caller. |
| 1212 | * This array is allocated here, but has to be freed in caller. |
| 1213 | * |
| 1214 | * Called to get number of VLANs and VLAN list present in mac_filter_hash. |
| 1215 | **/ |
| 1216 | static void i40e_get_vlan_list_sync(struct i40e_vsi *vsi, u16 *num_vlans, |
| 1217 | s16 **vlan_list) |
| 1218 | { |
| 1219 | struct i40e_mac_filter *f; |
| 1220 | int i = 0; |
| 1221 | int bkt; |
| 1222 | |
| 1223 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 1224 | *num_vlans = __i40e_getnum_vf_vsi_vlan_filters(vsi); |
| 1225 | *vlan_list = kcalloc(*num_vlans, sizeof(**vlan_list), GFP_ATOMIC); |
| 1226 | if (!(*vlan_list)) |
| 1227 | goto err; |
| 1228 | |
| 1229 | hash_for_each(vsi->mac_filter_hash, bkt, f, hlist) { |
| 1230 | if (f->vlan < 0 || f->vlan > I40E_MAX_VLANID) |
| 1231 | continue; |
| 1232 | (*vlan_list)[i++] = f->vlan; |
| 1233 | } |
| 1234 | err: |
| 1235 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 1236 | } |
| 1237 | |
| 1238 | /** |
| 1239 | * i40e_set_vsi_promisc |
| 1240 | * @vf: pointer to the VF struct |
| 1241 | * @seid: VSI number |
| 1242 | * @multi_enable: set MAC L2 layer multicast promiscuous enable/disable |
| 1243 | * for a given VLAN |
| 1244 | * @unicast_enable: set MAC L2 layer unicast promiscuous enable/disable |
| 1245 | * for a given VLAN |
| 1246 | * @vl: List of VLANs - apply filter for given VLANs |
| 1247 | * @num_vlans: Number of elements in @vl |
| 1248 | **/ |
| 1249 | static i40e_status |
| 1250 | i40e_set_vsi_promisc(struct i40e_vf *vf, u16 seid, bool multi_enable, |
| 1251 | bool unicast_enable, s16 *vl, u16 num_vlans) |
| 1252 | { |
| 1253 | i40e_status aq_ret, aq_tmp = 0; |
| 1254 | struct i40e_pf *pf = vf->pf; |
| 1255 | struct i40e_hw *hw = &pf->hw; |
| 1256 | int i; |
| 1257 | |
| 1258 | /* No VLAN to set promisc on, set on VSI */ |
| 1259 | if (!num_vlans || !vl) { |
| 1260 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, seid, |
| 1261 | multi_enable, |
| 1262 | NULL); |
| 1263 | if (aq_ret) { |
| 1264 | int aq_err = pf->hw.aq.asq_last_status; |
| 1265 | |
| 1266 | dev_err(&pf->pdev->dev, |
| 1267 | "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n", |
| 1268 | vf->vf_id, |
| 1269 | i40e_stat_str(&pf->hw, aq_ret), |
| 1270 | i40e_aq_str(&pf->hw, aq_err)); |
| 1271 | |
| 1272 | return aq_ret; |
| 1273 | } |
| 1274 | |
| 1275 | aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, seid, |
| 1276 | unicast_enable, |
| 1277 | NULL, true); |
| 1278 | |
| 1279 | if (aq_ret) { |
| 1280 | int aq_err = pf->hw.aq.asq_last_status; |
| 1281 | |
| 1282 | dev_err(&pf->pdev->dev, |
| 1283 | "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n", |
| 1284 | vf->vf_id, |
| 1285 | i40e_stat_str(&pf->hw, aq_ret), |
| 1286 | i40e_aq_str(&pf->hw, aq_err)); |
| 1287 | } |
| 1288 | |
| 1289 | return aq_ret; |
| 1290 | } |
| 1291 | |
| 1292 | for (i = 0; i < num_vlans; i++) { |
| 1293 | aq_ret = i40e_aq_set_vsi_mc_promisc_on_vlan(hw, seid, |
| 1294 | multi_enable, |
| 1295 | vl[i], NULL); |
| 1296 | if (aq_ret) { |
| 1297 | int aq_err = pf->hw.aq.asq_last_status; |
| 1298 | |
| 1299 | dev_err(&pf->pdev->dev, |
| 1300 | "VF %d failed to set multicast promiscuous mode err %s aq_err %s\n", |
| 1301 | vf->vf_id, |
| 1302 | i40e_stat_str(&pf->hw, aq_ret), |
| 1303 | i40e_aq_str(&pf->hw, aq_err)); |
| 1304 | |
| 1305 | if (!aq_tmp) |
| 1306 | aq_tmp = aq_ret; |
| 1307 | } |
| 1308 | |
| 1309 | aq_ret = i40e_aq_set_vsi_uc_promisc_on_vlan(hw, seid, |
| 1310 | unicast_enable, |
| 1311 | vl[i], NULL); |
| 1312 | if (aq_ret) { |
| 1313 | int aq_err = pf->hw.aq.asq_last_status; |
| 1314 | |
| 1315 | dev_err(&pf->pdev->dev, |
| 1316 | "VF %d failed to set unicast promiscuous mode err %s aq_err %s\n", |
| 1317 | vf->vf_id, |
| 1318 | i40e_stat_str(&pf->hw, aq_ret), |
| 1319 | i40e_aq_str(&pf->hw, aq_err)); |
| 1320 | |
| 1321 | if (!aq_tmp) |
| 1322 | aq_tmp = aq_ret; |
| 1323 | } |
| 1324 | } |
| 1325 | |
| 1326 | if (aq_tmp) |
| 1327 | aq_ret = aq_tmp; |
| 1328 | |
| 1329 | return aq_ret; |
| 1330 | } |
| 1331 | |
| 1332 | /** |
| 1333 | * i40e_config_vf_promiscuous_mode |
| 1334 | * @vf: pointer to the VF info |
| 1335 | * @vsi_id: VSI id |
| 1336 | * @allmulti: set MAC L2 layer multicast promiscuous enable/disable |
| 1337 | * @alluni: set MAC L2 layer unicast promiscuous enable/disable |
| 1338 | * |
| 1339 | * Called from the VF to configure the promiscuous mode of |
| 1340 | * VF vsis and from the VF reset path to reset promiscuous mode. |
| 1341 | **/ |
| 1342 | static i40e_status i40e_config_vf_promiscuous_mode(struct i40e_vf *vf, |
| 1343 | u16 vsi_id, |
| 1344 | bool allmulti, |
| 1345 | bool alluni) |
| 1346 | { |
| 1347 | i40e_status aq_ret = I40E_SUCCESS; |
| 1348 | struct i40e_pf *pf = vf->pf; |
| 1349 | struct i40e_vsi *vsi; |
| 1350 | u16 num_vlans; |
| 1351 | s16 *vl; |
| 1352 | |
| 1353 | vsi = i40e_find_vsi_from_id(pf, vsi_id); |
| 1354 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id) || !vsi) |
| 1355 | return I40E_ERR_PARAM; |
| 1356 | |
| 1357 | if (vf->port_vlan_id) { |
| 1358 | aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti, |
| 1359 | alluni, &vf->port_vlan_id, 1); |
| 1360 | return aq_ret; |
| 1361 | } else if (i40e_getnum_vf_vsi_vlan_filters(vsi)) { |
| 1362 | i40e_get_vlan_list_sync(vsi, &num_vlans, &vl); |
| 1363 | |
| 1364 | if (!vl) |
| 1365 | return I40E_ERR_NO_MEMORY; |
| 1366 | |
| 1367 | aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti, alluni, |
| 1368 | vl, num_vlans); |
| 1369 | kfree(vl); |
| 1370 | return aq_ret; |
| 1371 | } |
| 1372 | |
| 1373 | /* no VLANs to set on, set on VSI */ |
| 1374 | aq_ret = i40e_set_vsi_promisc(vf, vsi->seid, allmulti, alluni, |
| 1375 | NULL, 0); |
| 1376 | return aq_ret; |
| 1377 | } |
| 1378 | |
| 1379 | /** |
| 1380 | * i40e_sync_vfr_reset |
| 1381 | * @hw: pointer to hw struct |
| 1382 | * @vf_id: VF identifier |
| 1383 | * |
| 1384 | * Before trigger hardware reset, we need to know if no other process has |
| 1385 | * reserved the hardware for any reset operations. This check is done by |
| 1386 | * examining the status of the RSTAT1 register used to signal the reset. |
| 1387 | **/ |
| 1388 | static int i40e_sync_vfr_reset(struct i40e_hw *hw, int vf_id) |
| 1389 | { |
| 1390 | u32 reg; |
| 1391 | int i; |
| 1392 | |
| 1393 | for (i = 0; i < I40E_VFR_WAIT_COUNT; i++) { |
| 1394 | reg = rd32(hw, I40E_VFINT_ICR0_ENA(vf_id)) & |
| 1395 | I40E_VFINT_ICR0_ADMINQ_MASK; |
| 1396 | if (reg) |
| 1397 | return 0; |
| 1398 | |
| 1399 | usleep_range(100, 200); |
| 1400 | } |
| 1401 | |
| 1402 | return -EAGAIN; |
| 1403 | } |
| 1404 | |
| 1405 | /** |
| 1406 | * i40e_trigger_vf_reset |
| 1407 | * @vf: pointer to the VF structure |
| 1408 | * @flr: VFLR was issued or not |
| 1409 | * |
| 1410 | * Trigger hardware to start a reset for a particular VF. Expects the caller |
| 1411 | * to wait the proper amount of time to allow hardware to reset the VF before |
| 1412 | * it cleans up and restores VF functionality. |
| 1413 | **/ |
| 1414 | static void i40e_trigger_vf_reset(struct i40e_vf *vf, bool flr) |
| 1415 | { |
| 1416 | struct i40e_pf *pf = vf->pf; |
| 1417 | struct i40e_hw *hw = &pf->hw; |
| 1418 | u32 reg, reg_idx, bit_idx; |
| 1419 | bool vf_active; |
| 1420 | u32 radq; |
| 1421 | |
| 1422 | /* warn the VF */ |
| 1423 | vf_active = test_and_clear_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states); |
| 1424 | |
| 1425 | /* Disable VF's configuration API during reset. The flag is re-enabled |
| 1426 | * in i40e_alloc_vf_res(), when it's safe again to access VF's VSI. |
| 1427 | * It's normally disabled in i40e_free_vf_res(), but it's safer |
| 1428 | * to do it earlier to give some time to finish to any VF config |
| 1429 | * functions that may still be running at this point. |
| 1430 | */ |
| 1431 | clear_bit(I40E_VF_STATE_INIT, &vf->vf_states); |
| 1432 | |
| 1433 | /* In the case of a VFLR, the HW has already reset the VF and we |
| 1434 | * just need to clean up, so don't hit the VFRTRIG register. |
| 1435 | */ |
| 1436 | if (!flr) { |
| 1437 | /* Sync VFR reset before trigger next one */ |
| 1438 | radq = rd32(hw, I40E_VFINT_ICR0_ENA(vf->vf_id)) & |
| 1439 | I40E_VFINT_ICR0_ADMINQ_MASK; |
| 1440 | if (vf_active && !radq) |
| 1441 | /* waiting for finish reset by virtual driver */ |
| 1442 | if (i40e_sync_vfr_reset(hw, vf->vf_id)) |
| 1443 | dev_info(&pf->pdev->dev, |
| 1444 | "Reset VF %d never finished\n", |
| 1445 | vf->vf_id); |
| 1446 | |
| 1447 | /* Reset VF using VPGEN_VFRTRIG reg. It is also setting |
| 1448 | * in progress state in rstat1 register. |
| 1449 | */ |
| 1450 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
| 1451 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; |
| 1452 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
| 1453 | i40e_flush(hw); |
| 1454 | } |
| 1455 | /* clear the VFLR bit in GLGEN_VFLRSTAT */ |
| 1456 | reg_idx = (hw->func_caps.vf_base_id + vf->vf_id) / 32; |
| 1457 | bit_idx = (hw->func_caps.vf_base_id + vf->vf_id) % 32; |
| 1458 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
| 1459 | i40e_flush(hw); |
| 1460 | |
| 1461 | if (i40e_quiesce_vf_pci(vf)) |
| 1462 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", |
| 1463 | vf->vf_id); |
| 1464 | } |
| 1465 | |
| 1466 | /** |
| 1467 | * i40e_cleanup_reset_vf |
| 1468 | * @vf: pointer to the VF structure |
| 1469 | * |
| 1470 | * Cleanup a VF after the hardware reset is finished. Expects the caller to |
| 1471 | * have verified whether the reset is finished properly, and ensure the |
| 1472 | * minimum amount of wait time has passed. |
| 1473 | **/ |
| 1474 | static void i40e_cleanup_reset_vf(struct i40e_vf *vf) |
| 1475 | { |
| 1476 | struct i40e_pf *pf = vf->pf; |
| 1477 | struct i40e_hw *hw = &pf->hw; |
| 1478 | u32 reg; |
| 1479 | |
| 1480 | /* disable promisc modes in case they were enabled */ |
| 1481 | i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id, false, false); |
| 1482 | |
| 1483 | /* free VF resources to begin resetting the VSI state */ |
| 1484 | i40e_free_vf_res(vf); |
| 1485 | |
| 1486 | /* Enable hardware by clearing the reset bit in the VPGEN_VFRTRIG reg. |
| 1487 | * By doing this we allow HW to access VF memory at any point. If we |
| 1488 | * did it any sooner, HW could access memory while it was being freed |
| 1489 | * in i40e_free_vf_res(), causing an IOMMU fault. |
| 1490 | * |
| 1491 | * On the other hand, this needs to be done ASAP, because the VF driver |
| 1492 | * is waiting for this to happen and may report a timeout. It's |
| 1493 | * harmless, but it gets logged into Guest OS kernel log, so best avoid |
| 1494 | * it. |
| 1495 | */ |
| 1496 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
| 1497 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; |
| 1498 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
| 1499 | |
| 1500 | /* reallocate VF resources to finish resetting the VSI state */ |
| 1501 | if (!i40e_alloc_vf_res(vf)) { |
| 1502 | int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
| 1503 | i40e_enable_vf_mappings(vf); |
| 1504 | set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states); |
| 1505 | clear_bit(I40E_VF_STATE_DISABLED, &vf->vf_states); |
| 1506 | /* Do not notify the client during VF init */ |
| 1507 | if (!test_and_clear_bit(I40E_VF_STATE_PRE_ENABLE, |
| 1508 | &vf->vf_states)) |
| 1509 | i40e_notify_client_of_vf_reset(pf, abs_vf_id); |
| 1510 | vf->num_vlan = 0; |
| 1511 | } |
| 1512 | |
| 1513 | /* Tell the VF driver the reset is done. This needs to be done only |
| 1514 | * after VF has been fully initialized, because the VF driver may |
| 1515 | * request resources immediately after setting this flag. |
| 1516 | */ |
| 1517 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), VIRTCHNL_VFR_VFACTIVE); |
| 1518 | } |
| 1519 | |
| 1520 | /** |
| 1521 | * i40e_reset_vf |
| 1522 | * @vf: pointer to the VF structure |
| 1523 | * @flr: VFLR was issued or not |
| 1524 | * |
| 1525 | * Returns true if the VF is in reset, resets successfully, or resets |
| 1526 | * are disabled and false otherwise. |
| 1527 | **/ |
| 1528 | bool i40e_reset_vf(struct i40e_vf *vf, bool flr) |
| 1529 | { |
| 1530 | struct i40e_pf *pf = vf->pf; |
| 1531 | struct i40e_hw *hw = &pf->hw; |
| 1532 | bool rsd = false; |
| 1533 | u32 reg; |
| 1534 | int i; |
| 1535 | |
| 1536 | if (test_bit(__I40E_VF_RESETS_DISABLED, pf->state)) |
| 1537 | return true; |
| 1538 | |
| 1539 | /* If the VFs have been disabled, this means something else is |
| 1540 | * resetting the VF, so we shouldn't continue. |
| 1541 | */ |
| 1542 | if (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) |
| 1543 | return true; |
| 1544 | |
| 1545 | i40e_trigger_vf_reset(vf, flr); |
| 1546 | |
| 1547 | /* poll VPGEN_VFRSTAT reg to make sure |
| 1548 | * that reset is complete |
| 1549 | */ |
| 1550 | for (i = 0; i < 10; i++) { |
| 1551 | /* VF reset requires driver to first reset the VF and then |
| 1552 | * poll the status register to make sure that the reset |
| 1553 | * completed successfully. Due to internal HW FIFO flushes, |
| 1554 | * we must wait 10ms before the register will be valid. |
| 1555 | */ |
| 1556 | usleep_range(10000, 20000); |
| 1557 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
| 1558 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { |
| 1559 | rsd = true; |
| 1560 | break; |
| 1561 | } |
| 1562 | } |
| 1563 | |
| 1564 | if (flr) |
| 1565 | usleep_range(10000, 20000); |
| 1566 | |
| 1567 | if (!rsd) |
| 1568 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
| 1569 | vf->vf_id); |
| 1570 | usleep_range(10000, 20000); |
| 1571 | |
| 1572 | /* On initial reset, we don't have any queues to disable */ |
| 1573 | if (vf->lan_vsi_idx != 0) |
| 1574 | i40e_vsi_stop_rings(pf->vsi[vf->lan_vsi_idx]); |
| 1575 | |
| 1576 | i40e_cleanup_reset_vf(vf); |
| 1577 | |
| 1578 | i40e_flush(hw); |
| 1579 | clear_bit(__I40E_VF_DISABLE, pf->state); |
| 1580 | |
| 1581 | return true; |
| 1582 | } |
| 1583 | |
| 1584 | /** |
| 1585 | * i40e_reset_all_vfs |
| 1586 | * @pf: pointer to the PF structure |
| 1587 | * @flr: VFLR was issued or not |
| 1588 | * |
| 1589 | * Reset all allocated VFs in one go. First, tell the hardware to reset each |
| 1590 | * VF, then do all the waiting in one chunk, and finally finish restoring each |
| 1591 | * VF after the wait. This is useful during PF routines which need to reset |
| 1592 | * all VFs, as otherwise it must perform these resets in a serialized fashion. |
| 1593 | * |
| 1594 | * Returns true if any VFs were reset, and false otherwise. |
| 1595 | **/ |
| 1596 | bool i40e_reset_all_vfs(struct i40e_pf *pf, bool flr) |
| 1597 | { |
| 1598 | struct i40e_hw *hw = &pf->hw; |
| 1599 | struct i40e_vf *vf; |
| 1600 | int i, v; |
| 1601 | u32 reg; |
| 1602 | |
| 1603 | /* If we don't have any VFs, then there is nothing to reset */ |
| 1604 | if (!pf->num_alloc_vfs) |
| 1605 | return false; |
| 1606 | |
| 1607 | /* If VFs have been disabled, there is no need to reset */ |
| 1608 | if (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) |
| 1609 | return false; |
| 1610 | |
| 1611 | /* Begin reset on all VFs at once */ |
| 1612 | for (v = 0; v < pf->num_alloc_vfs; v++) |
| 1613 | i40e_trigger_vf_reset(&pf->vf[v], flr); |
| 1614 | |
| 1615 | /* HW requires some time to make sure it can flush the FIFO for a VF |
| 1616 | * when it resets it. Poll the VPGEN_VFRSTAT register for each VF in |
| 1617 | * sequence to make sure that it has completed. We'll keep track of |
| 1618 | * the VFs using a simple iterator that increments once that VF has |
| 1619 | * finished resetting. |
| 1620 | */ |
| 1621 | for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) { |
| 1622 | usleep_range(10000, 20000); |
| 1623 | |
| 1624 | /* Check each VF in sequence, beginning with the VF to fail |
| 1625 | * the previous check. |
| 1626 | */ |
| 1627 | while (v < pf->num_alloc_vfs) { |
| 1628 | vf = &pf->vf[v]; |
| 1629 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
| 1630 | if (!(reg & I40E_VPGEN_VFRSTAT_VFRD_MASK)) |
| 1631 | break; |
| 1632 | |
| 1633 | /* If the current VF has finished resetting, move on |
| 1634 | * to the next VF in sequence. |
| 1635 | */ |
| 1636 | v++; |
| 1637 | } |
| 1638 | } |
| 1639 | |
| 1640 | if (flr) |
| 1641 | usleep_range(10000, 20000); |
| 1642 | |
| 1643 | /* Display a warning if at least one VF didn't manage to reset in |
| 1644 | * time, but continue on with the operation. |
| 1645 | */ |
| 1646 | if (v < pf->num_alloc_vfs) |
| 1647 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
| 1648 | pf->vf[v].vf_id); |
| 1649 | usleep_range(10000, 20000); |
| 1650 | |
| 1651 | /* Begin disabling all the rings associated with VFs, but do not wait |
| 1652 | * between each VF. |
| 1653 | */ |
| 1654 | for (v = 0; v < pf->num_alloc_vfs; v++) { |
| 1655 | /* On initial reset, we don't have any queues to disable */ |
| 1656 | if (pf->vf[v].lan_vsi_idx == 0) |
| 1657 | continue; |
| 1658 | |
| 1659 | i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[v].lan_vsi_idx]); |
| 1660 | } |
| 1661 | |
| 1662 | /* Now that we've notified HW to disable all of the VF rings, wait |
| 1663 | * until they finish. |
| 1664 | */ |
| 1665 | for (v = 0; v < pf->num_alloc_vfs; v++) { |
| 1666 | /* On initial reset, we don't have any queues to disable */ |
| 1667 | if (pf->vf[v].lan_vsi_idx == 0) |
| 1668 | continue; |
| 1669 | |
| 1670 | i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[v].lan_vsi_idx]); |
| 1671 | } |
| 1672 | |
| 1673 | /* Hw may need up to 50ms to finish disabling the RX queues. We |
| 1674 | * minimize the wait by delaying only once for all VFs. |
| 1675 | */ |
| 1676 | mdelay(50); |
| 1677 | |
| 1678 | /* Finish the reset on each VF */ |
| 1679 | for (v = 0; v < pf->num_alloc_vfs; v++) |
| 1680 | i40e_cleanup_reset_vf(&pf->vf[v]); |
| 1681 | |
| 1682 | i40e_flush(hw); |
| 1683 | clear_bit(__I40E_VF_DISABLE, pf->state); |
| 1684 | |
| 1685 | return true; |
| 1686 | } |
| 1687 | |
| 1688 | /** |
| 1689 | * i40e_free_vfs |
| 1690 | * @pf: pointer to the PF structure |
| 1691 | * |
| 1692 | * free VF resources |
| 1693 | **/ |
| 1694 | void i40e_free_vfs(struct i40e_pf *pf) |
| 1695 | { |
| 1696 | struct i40e_hw *hw = &pf->hw; |
| 1697 | u32 reg_idx, bit_idx; |
| 1698 | int i, tmp, vf_id; |
| 1699 | |
| 1700 | if (!pf->vf) |
| 1701 | return; |
| 1702 | |
| 1703 | set_bit(__I40E_VFS_RELEASING, pf->state); |
| 1704 | while (test_and_set_bit(__I40E_VF_DISABLE, pf->state)) |
| 1705 | usleep_range(1000, 2000); |
| 1706 | |
| 1707 | i40e_notify_client_of_vf_enable(pf, 0); |
| 1708 | |
| 1709 | /* Disable IOV before freeing resources. This lets any VF drivers |
| 1710 | * running in the host get themselves cleaned up before we yank |
| 1711 | * the carpet out from underneath their feet. |
| 1712 | */ |
| 1713 | if (!pci_vfs_assigned(pf->pdev)) |
| 1714 | pci_disable_sriov(pf->pdev); |
| 1715 | else |
| 1716 | dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n"); |
| 1717 | |
| 1718 | /* Amortize wait time by stopping all VFs at the same time */ |
| 1719 | for (i = 0; i < pf->num_alloc_vfs; i++) { |
| 1720 | if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states)) |
| 1721 | continue; |
| 1722 | |
| 1723 | i40e_vsi_stop_rings_no_wait(pf->vsi[pf->vf[i].lan_vsi_idx]); |
| 1724 | } |
| 1725 | |
| 1726 | for (i = 0; i < pf->num_alloc_vfs; i++) { |
| 1727 | if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states)) |
| 1728 | continue; |
| 1729 | |
| 1730 | i40e_vsi_wait_queues_disabled(pf->vsi[pf->vf[i].lan_vsi_idx]); |
| 1731 | } |
| 1732 | |
| 1733 | /* free up VF resources */ |
| 1734 | tmp = pf->num_alloc_vfs; |
| 1735 | pf->num_alloc_vfs = 0; |
| 1736 | for (i = 0; i < tmp; i++) { |
| 1737 | if (test_bit(I40E_VF_STATE_INIT, &pf->vf[i].vf_states)) |
| 1738 | i40e_free_vf_res(&pf->vf[i]); |
| 1739 | /* disable qp mappings */ |
| 1740 | i40e_disable_vf_mappings(&pf->vf[i]); |
| 1741 | } |
| 1742 | |
| 1743 | kfree(pf->vf); |
| 1744 | pf->vf = NULL; |
| 1745 | |
| 1746 | /* This check is for when the driver is unloaded while VFs are |
| 1747 | * assigned. Setting the number of VFs to 0 through sysfs is caught |
| 1748 | * before this function ever gets called. |
| 1749 | */ |
| 1750 | if (!pci_vfs_assigned(pf->pdev)) { |
| 1751 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
| 1752 | * work correctly when SR-IOV gets re-enabled. |
| 1753 | */ |
| 1754 | for (vf_id = 0; vf_id < tmp; vf_id++) { |
| 1755 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; |
| 1756 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; |
| 1757 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
| 1758 | } |
| 1759 | } |
| 1760 | clear_bit(__I40E_VF_DISABLE, pf->state); |
| 1761 | clear_bit(__I40E_VFS_RELEASING, pf->state); |
| 1762 | } |
| 1763 | |
| 1764 | #ifdef CONFIG_PCI_IOV |
| 1765 | /** |
| 1766 | * i40e_alloc_vfs |
| 1767 | * @pf: pointer to the PF structure |
| 1768 | * @num_alloc_vfs: number of VFs to allocate |
| 1769 | * |
| 1770 | * allocate VF resources |
| 1771 | **/ |
| 1772 | int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) |
| 1773 | { |
| 1774 | struct i40e_vf *vfs; |
| 1775 | int i, ret = 0; |
| 1776 | |
| 1777 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
| 1778 | i40e_irq_dynamic_disable_icr0(pf); |
| 1779 | |
| 1780 | /* Check to see if we're just allocating resources for extant VFs */ |
| 1781 | if (pci_num_vf(pf->pdev) != num_alloc_vfs) { |
| 1782 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); |
| 1783 | if (ret) { |
| 1784 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
| 1785 | pf->num_alloc_vfs = 0; |
| 1786 | goto err_iov; |
| 1787 | } |
| 1788 | } |
| 1789 | /* allocate memory */ |
| 1790 | vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); |
| 1791 | if (!vfs) { |
| 1792 | ret = -ENOMEM; |
| 1793 | goto err_alloc; |
| 1794 | } |
| 1795 | pf->vf = vfs; |
| 1796 | |
| 1797 | /* apply default profile */ |
| 1798 | for (i = 0; i < num_alloc_vfs; i++) { |
| 1799 | vfs[i].pf = pf; |
| 1800 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; |
| 1801 | vfs[i].vf_id = i; |
| 1802 | |
| 1803 | /* assign default capabilities */ |
| 1804 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); |
| 1805 | vfs[i].spoofchk = true; |
| 1806 | |
| 1807 | set_bit(I40E_VF_STATE_PRE_ENABLE, &vfs[i].vf_states); |
| 1808 | |
| 1809 | } |
| 1810 | pf->num_alloc_vfs = num_alloc_vfs; |
| 1811 | |
| 1812 | /* VF resources get allocated during reset */ |
| 1813 | i40e_reset_all_vfs(pf, false); |
| 1814 | |
| 1815 | i40e_notify_client_of_vf_enable(pf, num_alloc_vfs); |
| 1816 | |
| 1817 | err_alloc: |
| 1818 | if (ret) |
| 1819 | i40e_free_vfs(pf); |
| 1820 | err_iov: |
| 1821 | /* Re-enable interrupt 0. */ |
| 1822 | i40e_irq_dynamic_enable_icr0(pf); |
| 1823 | return ret; |
| 1824 | } |
| 1825 | |
| 1826 | #endif |
| 1827 | /** |
| 1828 | * i40e_pci_sriov_enable |
| 1829 | * @pdev: pointer to a pci_dev structure |
| 1830 | * @num_vfs: number of VFs to allocate |
| 1831 | * |
| 1832 | * Enable or change the number of VFs |
| 1833 | **/ |
| 1834 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) |
| 1835 | { |
| 1836 | #ifdef CONFIG_PCI_IOV |
| 1837 | struct i40e_pf *pf = pci_get_drvdata(pdev); |
| 1838 | int pre_existing_vfs = pci_num_vf(pdev); |
| 1839 | int err = 0; |
| 1840 | |
| 1841 | if (test_bit(__I40E_TESTING, pf->state)) { |
| 1842 | dev_warn(&pdev->dev, |
| 1843 | "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n"); |
| 1844 | err = -EPERM; |
| 1845 | goto err_out; |
| 1846 | } |
| 1847 | |
| 1848 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
| 1849 | i40e_free_vfs(pf); |
| 1850 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) |
| 1851 | goto out; |
| 1852 | |
| 1853 | if (num_vfs > pf->num_req_vfs) { |
| 1854 | dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n", |
| 1855 | num_vfs, pf->num_req_vfs); |
| 1856 | err = -EPERM; |
| 1857 | goto err_out; |
| 1858 | } |
| 1859 | |
| 1860 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); |
| 1861 | err = i40e_alloc_vfs(pf, num_vfs); |
| 1862 | if (err) { |
| 1863 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); |
| 1864 | goto err_out; |
| 1865 | } |
| 1866 | |
| 1867 | out: |
| 1868 | return num_vfs; |
| 1869 | |
| 1870 | err_out: |
| 1871 | return err; |
| 1872 | #endif |
| 1873 | return 0; |
| 1874 | } |
| 1875 | |
| 1876 | /** |
| 1877 | * i40e_pci_sriov_configure |
| 1878 | * @pdev: pointer to a pci_dev structure |
| 1879 | * @num_vfs: number of VFs to allocate |
| 1880 | * |
| 1881 | * Enable or change the number of VFs. Called when the user updates the number |
| 1882 | * of VFs in sysfs. |
| 1883 | **/ |
| 1884 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) |
| 1885 | { |
| 1886 | struct i40e_pf *pf = pci_get_drvdata(pdev); |
| 1887 | int ret = 0; |
| 1888 | |
| 1889 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 1890 | dev_warn(&pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 1891 | return -EAGAIN; |
| 1892 | } |
| 1893 | |
| 1894 | if (num_vfs) { |
| 1895 | if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { |
| 1896 | pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; |
| 1897 | i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG); |
| 1898 | } |
| 1899 | ret = i40e_pci_sriov_enable(pdev, num_vfs); |
| 1900 | goto sriov_configure_out; |
| 1901 | } |
| 1902 | |
| 1903 | if (!pci_vfs_assigned(pf->pdev)) { |
| 1904 | i40e_free_vfs(pf); |
| 1905 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
| 1906 | i40e_do_reset_safe(pf, I40E_PF_RESET_AND_REBUILD_FLAG); |
| 1907 | } else { |
| 1908 | dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); |
| 1909 | ret = -EINVAL; |
| 1910 | goto sriov_configure_out; |
| 1911 | } |
| 1912 | sriov_configure_out: |
| 1913 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 1914 | return ret; |
| 1915 | } |
| 1916 | |
| 1917 | /***********************virtual channel routines******************/ |
| 1918 | |
| 1919 | /** |
| 1920 | * i40e_vc_send_msg_to_vf |
| 1921 | * @vf: pointer to the VF info |
| 1922 | * @v_opcode: virtual channel opcode |
| 1923 | * @v_retval: virtual channel return value |
| 1924 | * @msg: pointer to the msg buffer |
| 1925 | * @msglen: msg length |
| 1926 | * |
| 1927 | * send msg to VF |
| 1928 | **/ |
| 1929 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, |
| 1930 | u32 v_retval, u8 *msg, u16 msglen) |
| 1931 | { |
| 1932 | struct i40e_pf *pf; |
| 1933 | struct i40e_hw *hw; |
| 1934 | int abs_vf_id; |
| 1935 | i40e_status aq_ret; |
| 1936 | |
| 1937 | /* validate the request */ |
| 1938 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) |
| 1939 | return -EINVAL; |
| 1940 | |
| 1941 | pf = vf->pf; |
| 1942 | hw = &pf->hw; |
| 1943 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
| 1944 | |
| 1945 | aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
| 1946 | msg, msglen, NULL); |
| 1947 | if (aq_ret) { |
| 1948 | dev_info(&pf->pdev->dev, |
| 1949 | "Unable to send the message to VF %d aq_err %d\n", |
| 1950 | vf->vf_id, pf->hw.aq.asq_last_status); |
| 1951 | return -EIO; |
| 1952 | } |
| 1953 | |
| 1954 | return 0; |
| 1955 | } |
| 1956 | |
| 1957 | /** |
| 1958 | * i40e_vc_send_resp_to_vf |
| 1959 | * @vf: pointer to the VF info |
| 1960 | * @opcode: operation code |
| 1961 | * @retval: return value |
| 1962 | * |
| 1963 | * send resp msg to VF |
| 1964 | **/ |
| 1965 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, |
| 1966 | enum virtchnl_ops opcode, |
| 1967 | i40e_status retval) |
| 1968 | { |
| 1969 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); |
| 1970 | } |
| 1971 | |
| 1972 | /** |
| 1973 | * i40e_sync_vf_state |
| 1974 | * @vf: pointer to the VF info |
| 1975 | * @state: VF state |
| 1976 | * |
| 1977 | * Called from a VF message to synchronize the service with a potential |
| 1978 | * VF reset state |
| 1979 | **/ |
| 1980 | static bool i40e_sync_vf_state(struct i40e_vf *vf, enum i40e_vf_states state) |
| 1981 | { |
| 1982 | int i; |
| 1983 | |
| 1984 | /* When handling some messages, it needs VF state to be set. |
| 1985 | * It is possible that this flag is cleared during VF reset, |
| 1986 | * so there is a need to wait until the end of the reset to |
| 1987 | * handle the request message correctly. |
| 1988 | */ |
| 1989 | for (i = 0; i < I40E_VF_STATE_WAIT_COUNT; i++) { |
| 1990 | if (test_bit(state, &vf->vf_states)) |
| 1991 | return true; |
| 1992 | usleep_range(10000, 20000); |
| 1993 | } |
| 1994 | |
| 1995 | return test_bit(state, &vf->vf_states); |
| 1996 | } |
| 1997 | |
| 1998 | /** |
| 1999 | * i40e_vc_get_version_msg |
| 2000 | * @vf: pointer to the VF info |
| 2001 | * @msg: pointer to the msg buffer |
| 2002 | * |
| 2003 | * called from the VF to request the API version used by the PF |
| 2004 | **/ |
| 2005 | static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg) |
| 2006 | { |
| 2007 | struct virtchnl_version_info info = { |
| 2008 | VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR |
| 2009 | }; |
| 2010 | |
| 2011 | vf->vf_ver = *(struct virtchnl_version_info *)msg; |
| 2012 | /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ |
| 2013 | if (VF_IS_V10(&vf->vf_ver)) |
| 2014 | info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; |
| 2015 | return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION, |
| 2016 | I40E_SUCCESS, (u8 *)&info, |
| 2017 | sizeof(struct virtchnl_version_info)); |
| 2018 | } |
| 2019 | |
| 2020 | /** |
| 2021 | * i40e_del_qch - delete all the additional VSIs created as a part of ADq |
| 2022 | * @vf: pointer to VF structure |
| 2023 | **/ |
| 2024 | static void i40e_del_qch(struct i40e_vf *vf) |
| 2025 | { |
| 2026 | struct i40e_pf *pf = vf->pf; |
| 2027 | int i; |
| 2028 | |
| 2029 | /* first element in the array belongs to primary VF VSI and we shouldn't |
| 2030 | * delete it. We should however delete the rest of the VSIs created |
| 2031 | */ |
| 2032 | for (i = 1; i < vf->num_tc; i++) { |
| 2033 | if (vf->ch[i].vsi_idx) { |
| 2034 | i40e_vsi_release(pf->vsi[vf->ch[i].vsi_idx]); |
| 2035 | vf->ch[i].vsi_idx = 0; |
| 2036 | vf->ch[i].vsi_id = 0; |
| 2037 | } |
| 2038 | } |
| 2039 | } |
| 2040 | |
| 2041 | /** |
| 2042 | * i40e_vc_get_vf_resources_msg |
| 2043 | * @vf: pointer to the VF info |
| 2044 | * @msg: pointer to the msg buffer |
| 2045 | * |
| 2046 | * called from the VF to request its resources |
| 2047 | **/ |
| 2048 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) |
| 2049 | { |
| 2050 | struct virtchnl_vf_resource *vfres = NULL; |
| 2051 | struct i40e_pf *pf = vf->pf; |
| 2052 | i40e_status aq_ret = 0; |
| 2053 | struct i40e_vsi *vsi; |
| 2054 | int num_vsis = 1; |
| 2055 | size_t len = 0; |
| 2056 | int ret; |
| 2057 | |
| 2058 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_INIT)) { |
| 2059 | aq_ret = I40E_ERR_PARAM; |
| 2060 | goto err; |
| 2061 | } |
| 2062 | |
| 2063 | len = struct_size(vfres, vsi_res, num_vsis); |
| 2064 | vfres = kzalloc(len, GFP_KERNEL); |
| 2065 | if (!vfres) { |
| 2066 | aq_ret = I40E_ERR_NO_MEMORY; |
| 2067 | len = 0; |
| 2068 | goto err; |
| 2069 | } |
| 2070 | if (VF_IS_V11(&vf->vf_ver)) |
| 2071 | vf->driver_caps = *(u32 *)msg; |
| 2072 | else |
| 2073 | vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 | |
| 2074 | VIRTCHNL_VF_OFFLOAD_RSS_REG | |
| 2075 | VIRTCHNL_VF_OFFLOAD_VLAN; |
| 2076 | |
| 2077 | vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2; |
| 2078 | vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; |
| 2079 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2080 | if (!vsi->info.pvid) |
| 2081 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN; |
| 2082 | |
| 2083 | if (i40e_vf_client_capable(pf, vf->vf_id) && |
| 2084 | (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_IWARP)) { |
| 2085 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_IWARP; |
| 2086 | set_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states); |
| 2087 | } else { |
| 2088 | clear_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states); |
| 2089 | } |
| 2090 | |
| 2091 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) { |
| 2092 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF; |
| 2093 | } else { |
| 2094 | if ((pf->hw_features & I40E_HW_RSS_AQ_CAPABLE) && |
| 2095 | (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ)) |
| 2096 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ; |
| 2097 | else |
| 2098 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG; |
| 2099 | } |
| 2100 | |
| 2101 | if (pf->hw_features & I40E_HW_MULTIPLE_TCP_UDP_RSS_PCTYPE) { |
| 2102 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) |
| 2103 | vfres->vf_cap_flags |= |
| 2104 | VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; |
| 2105 | } |
| 2106 | |
| 2107 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP) |
| 2108 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP; |
| 2109 | |
| 2110 | if ((pf->hw_features & I40E_HW_OUTER_UDP_CSUM_CAPABLE) && |
| 2111 | (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM)) |
| 2112 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; |
| 2113 | |
| 2114 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) { |
| 2115 | if (pf->flags & I40E_FLAG_MFP_ENABLED) { |
| 2116 | dev_err(&pf->pdev->dev, |
| 2117 | "VF %d requested polling mode: this feature is supported only when the device is running in single function per port (SFP) mode\n", |
| 2118 | vf->vf_id); |
| 2119 | aq_ret = I40E_ERR_PARAM; |
| 2120 | goto err; |
| 2121 | } |
| 2122 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING; |
| 2123 | } |
| 2124 | |
| 2125 | if (pf->hw_features & I40E_HW_WB_ON_ITR_CAPABLE) { |
| 2126 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) |
| 2127 | vfres->vf_cap_flags |= |
| 2128 | VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; |
| 2129 | } |
| 2130 | |
| 2131 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES) |
| 2132 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES; |
| 2133 | |
| 2134 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ) |
| 2135 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ADQ; |
| 2136 | |
| 2137 | vfres->num_vsis = num_vsis; |
| 2138 | vfres->num_queue_pairs = vf->num_queue_pairs; |
| 2139 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; |
| 2140 | vfres->rss_key_size = I40E_HKEY_ARRAY_SIZE; |
| 2141 | vfres->rss_lut_size = I40E_VF_HLUT_ARRAY_SIZE; |
| 2142 | |
| 2143 | if (vf->lan_vsi_idx) { |
| 2144 | vfres->vsi_res[0].vsi_id = vf->lan_vsi_id; |
| 2145 | vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV; |
| 2146 | vfres->vsi_res[0].num_queue_pairs = vsi->alloc_queue_pairs; |
| 2147 | /* VFs only use TC 0 */ |
| 2148 | vfres->vsi_res[0].qset_handle |
| 2149 | = le16_to_cpu(vsi->info.qs_handle[0]); |
| 2150 | if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_USO) && !vf->pf_set_mac) { |
| 2151 | i40e_del_mac_filter(vsi, vf->default_lan_addr.addr); |
| 2152 | eth_zero_addr(vf->default_lan_addr.addr); |
| 2153 | } |
| 2154 | ether_addr_copy(vfres->vsi_res[0].default_mac_addr, |
| 2155 | vf->default_lan_addr.addr); |
| 2156 | } |
| 2157 | set_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states); |
| 2158 | |
| 2159 | err: |
| 2160 | /* send the response back to the VF */ |
| 2161 | ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, |
| 2162 | aq_ret, (u8 *)vfres, len); |
| 2163 | |
| 2164 | kfree(vfres); |
| 2165 | return ret; |
| 2166 | } |
| 2167 | |
| 2168 | /** |
| 2169 | * i40e_vc_config_promiscuous_mode_msg |
| 2170 | * @vf: pointer to the VF info |
| 2171 | * @msg: pointer to the msg buffer |
| 2172 | * |
| 2173 | * called from the VF to configure the promiscuous mode of |
| 2174 | * VF vsis |
| 2175 | **/ |
| 2176 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, u8 *msg) |
| 2177 | { |
| 2178 | struct virtchnl_promisc_info *info = |
| 2179 | (struct virtchnl_promisc_info *)msg; |
| 2180 | struct i40e_pf *pf = vf->pf; |
| 2181 | i40e_status aq_ret = 0; |
| 2182 | bool allmulti = false; |
| 2183 | bool alluni = false; |
| 2184 | |
| 2185 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 2186 | aq_ret = I40E_ERR_PARAM; |
| 2187 | goto err_out; |
| 2188 | } |
| 2189 | if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { |
| 2190 | dev_err(&pf->pdev->dev, |
| 2191 | "Unprivileged VF %d is attempting to configure promiscuous mode\n", |
| 2192 | vf->vf_id); |
| 2193 | |
| 2194 | /* Lie to the VF on purpose, because this is an error we can |
| 2195 | * ignore. Unprivileged VF is not a virtual channel error. |
| 2196 | */ |
| 2197 | aq_ret = 0; |
| 2198 | goto err_out; |
| 2199 | } |
| 2200 | |
| 2201 | if (info->flags > I40E_MAX_VF_PROMISC_FLAGS) { |
| 2202 | aq_ret = I40E_ERR_PARAM; |
| 2203 | goto err_out; |
| 2204 | } |
| 2205 | |
| 2206 | if (!i40e_vc_isvalid_vsi_id(vf, info->vsi_id)) { |
| 2207 | aq_ret = I40E_ERR_PARAM; |
| 2208 | goto err_out; |
| 2209 | } |
| 2210 | |
| 2211 | /* Multicast promiscuous handling*/ |
| 2212 | if (info->flags & FLAG_VF_MULTICAST_PROMISC) |
| 2213 | allmulti = true; |
| 2214 | |
| 2215 | if (info->flags & FLAG_VF_UNICAST_PROMISC) |
| 2216 | alluni = true; |
| 2217 | aq_ret = i40e_config_vf_promiscuous_mode(vf, info->vsi_id, allmulti, |
| 2218 | alluni); |
| 2219 | if (aq_ret) |
| 2220 | goto err_out; |
| 2221 | |
| 2222 | if (allmulti) { |
| 2223 | if (!test_and_set_bit(I40E_VF_STATE_MC_PROMISC, |
| 2224 | &vf->vf_states)) |
| 2225 | dev_info(&pf->pdev->dev, |
| 2226 | "VF %d successfully set multicast promiscuous mode\n", |
| 2227 | vf->vf_id); |
| 2228 | } else if (test_and_clear_bit(I40E_VF_STATE_MC_PROMISC, |
| 2229 | &vf->vf_states)) |
| 2230 | dev_info(&pf->pdev->dev, |
| 2231 | "VF %d successfully unset multicast promiscuous mode\n", |
| 2232 | vf->vf_id); |
| 2233 | |
| 2234 | if (alluni) { |
| 2235 | if (!test_and_set_bit(I40E_VF_STATE_UC_PROMISC, |
| 2236 | &vf->vf_states)) |
| 2237 | dev_info(&pf->pdev->dev, |
| 2238 | "VF %d successfully set unicast promiscuous mode\n", |
| 2239 | vf->vf_id); |
| 2240 | } else if (test_and_clear_bit(I40E_VF_STATE_UC_PROMISC, |
| 2241 | &vf->vf_states)) |
| 2242 | dev_info(&pf->pdev->dev, |
| 2243 | "VF %d successfully unset unicast promiscuous mode\n", |
| 2244 | vf->vf_id); |
| 2245 | |
| 2246 | err_out: |
| 2247 | /* send the response to the VF */ |
| 2248 | return i40e_vc_send_resp_to_vf(vf, |
| 2249 | VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, |
| 2250 | aq_ret); |
| 2251 | } |
| 2252 | |
| 2253 | /** |
| 2254 | * i40e_vc_config_queues_msg |
| 2255 | * @vf: pointer to the VF info |
| 2256 | * @msg: pointer to the msg buffer |
| 2257 | * |
| 2258 | * called from the VF to configure the rx/tx |
| 2259 | * queues |
| 2260 | **/ |
| 2261 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg) |
| 2262 | { |
| 2263 | struct virtchnl_vsi_queue_config_info *qci = |
| 2264 | (struct virtchnl_vsi_queue_config_info *)msg; |
| 2265 | struct virtchnl_queue_pair_info *qpi; |
| 2266 | u16 vsi_id, vsi_queue_id = 0; |
| 2267 | struct i40e_pf *pf = vf->pf; |
| 2268 | i40e_status aq_ret = 0; |
| 2269 | int i, j = 0, idx = 0; |
| 2270 | struct i40e_vsi *vsi; |
| 2271 | u16 num_qps_all = 0; |
| 2272 | |
| 2273 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 2274 | aq_ret = I40E_ERR_PARAM; |
| 2275 | goto error_param; |
| 2276 | } |
| 2277 | |
| 2278 | if (!i40e_vc_isvalid_vsi_id(vf, qci->vsi_id)) { |
| 2279 | aq_ret = I40E_ERR_PARAM; |
| 2280 | goto error_param; |
| 2281 | } |
| 2282 | |
| 2283 | if (qci->num_queue_pairs > I40E_MAX_VF_QUEUES) { |
| 2284 | aq_ret = I40E_ERR_PARAM; |
| 2285 | goto error_param; |
| 2286 | } |
| 2287 | |
| 2288 | if (vf->adq_enabled) { |
| 2289 | for (i = 0; i < vf->num_tc; i++) |
| 2290 | num_qps_all += vf->ch[i].num_qps; |
| 2291 | if (num_qps_all != qci->num_queue_pairs) { |
| 2292 | aq_ret = I40E_ERR_PARAM; |
| 2293 | goto error_param; |
| 2294 | } |
| 2295 | } |
| 2296 | |
| 2297 | vsi_id = qci->vsi_id; |
| 2298 | |
| 2299 | for (i = 0; i < qci->num_queue_pairs; i++) { |
| 2300 | qpi = &qci->qpair[i]; |
| 2301 | |
| 2302 | if (!vf->adq_enabled) { |
| 2303 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
| 2304 | qpi->txq.queue_id)) { |
| 2305 | aq_ret = I40E_ERR_PARAM; |
| 2306 | goto error_param; |
| 2307 | } |
| 2308 | |
| 2309 | vsi_queue_id = qpi->txq.queue_id; |
| 2310 | |
| 2311 | if (qpi->txq.vsi_id != qci->vsi_id || |
| 2312 | qpi->rxq.vsi_id != qci->vsi_id || |
| 2313 | qpi->rxq.queue_id != vsi_queue_id) { |
| 2314 | aq_ret = I40E_ERR_PARAM; |
| 2315 | goto error_param; |
| 2316 | } |
| 2317 | } |
| 2318 | |
| 2319 | if (vf->adq_enabled) { |
| 2320 | if (idx >= ARRAY_SIZE(vf->ch)) { |
| 2321 | aq_ret = I40E_ERR_NO_AVAILABLE_VSI; |
| 2322 | goto error_param; |
| 2323 | } |
| 2324 | vsi_id = vf->ch[idx].vsi_id; |
| 2325 | } |
| 2326 | |
| 2327 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, |
| 2328 | &qpi->rxq) || |
| 2329 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, |
| 2330 | &qpi->txq)) { |
| 2331 | aq_ret = I40E_ERR_PARAM; |
| 2332 | goto error_param; |
| 2333 | } |
| 2334 | |
| 2335 | /* For ADq there can be up to 4 VSIs with max 4 queues each. |
| 2336 | * VF does not know about these additional VSIs and all |
| 2337 | * it cares is about its own queues. PF configures these queues |
| 2338 | * to its appropriate VSIs based on TC mapping |
| 2339 | */ |
| 2340 | if (vf->adq_enabled) { |
| 2341 | if (idx >= ARRAY_SIZE(vf->ch)) { |
| 2342 | aq_ret = I40E_ERR_NO_AVAILABLE_VSI; |
| 2343 | goto error_param; |
| 2344 | } |
| 2345 | if (j == (vf->ch[idx].num_qps - 1)) { |
| 2346 | idx++; |
| 2347 | j = 0; /* resetting the queue count */ |
| 2348 | vsi_queue_id = 0; |
| 2349 | } else { |
| 2350 | j++; |
| 2351 | vsi_queue_id++; |
| 2352 | } |
| 2353 | } |
| 2354 | } |
| 2355 | /* set vsi num_queue_pairs in use to num configured by VF */ |
| 2356 | if (!vf->adq_enabled) { |
| 2357 | pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = |
| 2358 | qci->num_queue_pairs; |
| 2359 | } else { |
| 2360 | for (i = 0; i < vf->num_tc; i++) { |
| 2361 | vsi = pf->vsi[vf->ch[i].vsi_idx]; |
| 2362 | vsi->num_queue_pairs = vf->ch[i].num_qps; |
| 2363 | |
| 2364 | if (i40e_update_adq_vsi_queues(vsi, i)) { |
| 2365 | aq_ret = I40E_ERR_CONFIG; |
| 2366 | goto error_param; |
| 2367 | } |
| 2368 | } |
| 2369 | } |
| 2370 | |
| 2371 | error_param: |
| 2372 | /* send the response to the VF */ |
| 2373 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
| 2374 | aq_ret); |
| 2375 | } |
| 2376 | |
| 2377 | /** |
| 2378 | * i40e_validate_queue_map - check queue map is valid |
| 2379 | * @vf: the VF structure pointer |
| 2380 | * @vsi_id: vsi id |
| 2381 | * @queuemap: Tx or Rx queue map |
| 2382 | * |
| 2383 | * check if Tx or Rx queue map is valid |
| 2384 | **/ |
| 2385 | static int i40e_validate_queue_map(struct i40e_vf *vf, u16 vsi_id, |
| 2386 | unsigned long queuemap) |
| 2387 | { |
| 2388 | u16 vsi_queue_id, queue_id; |
| 2389 | |
| 2390 | for_each_set_bit(vsi_queue_id, &queuemap, I40E_MAX_VSI_QP) { |
| 2391 | if (vf->adq_enabled) { |
| 2392 | vsi_id = vf->ch[vsi_queue_id / I40E_MAX_VF_VSI].vsi_id; |
| 2393 | queue_id = (vsi_queue_id % I40E_DEFAULT_QUEUES_PER_VF); |
| 2394 | } else { |
| 2395 | queue_id = vsi_queue_id; |
| 2396 | } |
| 2397 | |
| 2398 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, queue_id)) |
| 2399 | return -EINVAL; |
| 2400 | } |
| 2401 | |
| 2402 | return 0; |
| 2403 | } |
| 2404 | |
| 2405 | /** |
| 2406 | * i40e_vc_config_irq_map_msg |
| 2407 | * @vf: pointer to the VF info |
| 2408 | * @msg: pointer to the msg buffer |
| 2409 | * |
| 2410 | * called from the VF to configure the irq to |
| 2411 | * queue map |
| 2412 | **/ |
| 2413 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg) |
| 2414 | { |
| 2415 | struct virtchnl_irq_map_info *irqmap_info = |
| 2416 | (struct virtchnl_irq_map_info *)msg; |
| 2417 | struct virtchnl_vector_map *map; |
| 2418 | u16 vsi_id; |
| 2419 | i40e_status aq_ret = 0; |
| 2420 | int i; |
| 2421 | |
| 2422 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 2423 | aq_ret = I40E_ERR_PARAM; |
| 2424 | goto error_param; |
| 2425 | } |
| 2426 | |
| 2427 | if (irqmap_info->num_vectors > |
| 2428 | vf->pf->hw.func_caps.num_msix_vectors_vf) { |
| 2429 | aq_ret = I40E_ERR_PARAM; |
| 2430 | goto error_param; |
| 2431 | } |
| 2432 | |
| 2433 | for (i = 0; i < irqmap_info->num_vectors; i++) { |
| 2434 | map = &irqmap_info->vecmap[i]; |
| 2435 | /* validate msg params */ |
| 2436 | if (!i40e_vc_isvalid_vector_id(vf, map->vector_id) || |
| 2437 | !i40e_vc_isvalid_vsi_id(vf, map->vsi_id)) { |
| 2438 | aq_ret = I40E_ERR_PARAM; |
| 2439 | goto error_param; |
| 2440 | } |
| 2441 | vsi_id = map->vsi_id; |
| 2442 | |
| 2443 | if (i40e_validate_queue_map(vf, vsi_id, map->rxq_map)) { |
| 2444 | aq_ret = I40E_ERR_PARAM; |
| 2445 | goto error_param; |
| 2446 | } |
| 2447 | |
| 2448 | if (i40e_validate_queue_map(vf, vsi_id, map->txq_map)) { |
| 2449 | aq_ret = I40E_ERR_PARAM; |
| 2450 | goto error_param; |
| 2451 | } |
| 2452 | |
| 2453 | i40e_config_irq_link_list(vf, vsi_id, map); |
| 2454 | } |
| 2455 | error_param: |
| 2456 | /* send the response to the VF */ |
| 2457 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, |
| 2458 | aq_ret); |
| 2459 | } |
| 2460 | |
| 2461 | /** |
| 2462 | * i40e_ctrl_vf_tx_rings |
| 2463 | * @vsi: the SRIOV VSI being configured |
| 2464 | * @q_map: bit map of the queues to be enabled |
| 2465 | * @enable: start or stop the queue |
| 2466 | **/ |
| 2467 | static int i40e_ctrl_vf_tx_rings(struct i40e_vsi *vsi, unsigned long q_map, |
| 2468 | bool enable) |
| 2469 | { |
| 2470 | struct i40e_pf *pf = vsi->back; |
| 2471 | int ret = 0; |
| 2472 | u16 q_id; |
| 2473 | |
| 2474 | for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) { |
| 2475 | ret = i40e_control_wait_tx_q(vsi->seid, pf, |
| 2476 | vsi->base_queue + q_id, |
| 2477 | false /*is xdp*/, enable); |
| 2478 | if (ret) |
| 2479 | break; |
| 2480 | } |
| 2481 | return ret; |
| 2482 | } |
| 2483 | |
| 2484 | /** |
| 2485 | * i40e_ctrl_vf_rx_rings |
| 2486 | * @vsi: the SRIOV VSI being configured |
| 2487 | * @q_map: bit map of the queues to be enabled |
| 2488 | * @enable: start or stop the queue |
| 2489 | **/ |
| 2490 | static int i40e_ctrl_vf_rx_rings(struct i40e_vsi *vsi, unsigned long q_map, |
| 2491 | bool enable) |
| 2492 | { |
| 2493 | struct i40e_pf *pf = vsi->back; |
| 2494 | int ret = 0; |
| 2495 | u16 q_id; |
| 2496 | |
| 2497 | for_each_set_bit(q_id, &q_map, I40E_MAX_VF_QUEUES) { |
| 2498 | ret = i40e_control_wait_rx_q(pf, vsi->base_queue + q_id, |
| 2499 | enable); |
| 2500 | if (ret) |
| 2501 | break; |
| 2502 | } |
| 2503 | return ret; |
| 2504 | } |
| 2505 | |
| 2506 | /** |
| 2507 | * i40e_vc_validate_vqs_bitmaps - validate Rx/Tx queue bitmaps from VIRTHCHNL |
| 2508 | * @vqs: virtchnl_queue_select structure containing bitmaps to validate |
| 2509 | * |
| 2510 | * Returns true if validation was successful, else false. |
| 2511 | */ |
| 2512 | static bool i40e_vc_validate_vqs_bitmaps(struct virtchnl_queue_select *vqs) |
| 2513 | { |
| 2514 | if ((!vqs->rx_queues && !vqs->tx_queues) || |
| 2515 | vqs->rx_queues >= BIT(I40E_MAX_VF_QUEUES) || |
| 2516 | vqs->tx_queues >= BIT(I40E_MAX_VF_QUEUES)) |
| 2517 | return false; |
| 2518 | |
| 2519 | return true; |
| 2520 | } |
| 2521 | |
| 2522 | /** |
| 2523 | * i40e_vc_enable_queues_msg |
| 2524 | * @vf: pointer to the VF info |
| 2525 | * @msg: pointer to the msg buffer |
| 2526 | * |
| 2527 | * called from the VF to enable all or specific queue(s) |
| 2528 | **/ |
| 2529 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg) |
| 2530 | { |
| 2531 | struct virtchnl_queue_select *vqs = |
| 2532 | (struct virtchnl_queue_select *)msg; |
| 2533 | struct i40e_pf *pf = vf->pf; |
| 2534 | i40e_status aq_ret = 0; |
| 2535 | int i; |
| 2536 | |
| 2537 | if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states)) { |
| 2538 | aq_ret = I40E_ERR_PARAM; |
| 2539 | goto error_param; |
| 2540 | } |
| 2541 | |
| 2542 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| 2543 | aq_ret = I40E_ERR_PARAM; |
| 2544 | goto error_param; |
| 2545 | } |
| 2546 | |
| 2547 | if (!i40e_vc_validate_vqs_bitmaps(vqs)) { |
| 2548 | aq_ret = I40E_ERR_PARAM; |
| 2549 | goto error_param; |
| 2550 | } |
| 2551 | |
| 2552 | /* Use the queue bit map sent by the VF */ |
| 2553 | if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues, |
| 2554 | true)) { |
| 2555 | aq_ret = I40E_ERR_TIMEOUT; |
| 2556 | goto error_param; |
| 2557 | } |
| 2558 | if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues, |
| 2559 | true)) { |
| 2560 | aq_ret = I40E_ERR_TIMEOUT; |
| 2561 | goto error_param; |
| 2562 | } |
| 2563 | |
| 2564 | /* need to start the rings for additional ADq VSI's as well */ |
| 2565 | if (vf->adq_enabled) { |
| 2566 | /* zero belongs to LAN VSI */ |
| 2567 | for (i = 1; i < vf->num_tc; i++) { |
| 2568 | if (i40e_vsi_start_rings(pf->vsi[vf->ch[i].vsi_idx])) |
| 2569 | aq_ret = I40E_ERR_TIMEOUT; |
| 2570 | } |
| 2571 | } |
| 2572 | |
| 2573 | error_param: |
| 2574 | /* send the response to the VF */ |
| 2575 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, |
| 2576 | aq_ret); |
| 2577 | } |
| 2578 | |
| 2579 | /** |
| 2580 | * i40e_vc_disable_queues_msg |
| 2581 | * @vf: pointer to the VF info |
| 2582 | * @msg: pointer to the msg buffer |
| 2583 | * |
| 2584 | * called from the VF to disable all or specific |
| 2585 | * queue(s) |
| 2586 | **/ |
| 2587 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg) |
| 2588 | { |
| 2589 | struct virtchnl_queue_select *vqs = |
| 2590 | (struct virtchnl_queue_select *)msg; |
| 2591 | struct i40e_pf *pf = vf->pf; |
| 2592 | i40e_status aq_ret = 0; |
| 2593 | |
| 2594 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 2595 | aq_ret = I40E_ERR_PARAM; |
| 2596 | goto error_param; |
| 2597 | } |
| 2598 | |
| 2599 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| 2600 | aq_ret = I40E_ERR_PARAM; |
| 2601 | goto error_param; |
| 2602 | } |
| 2603 | |
| 2604 | if (!i40e_vc_validate_vqs_bitmaps(vqs)) { |
| 2605 | aq_ret = I40E_ERR_PARAM; |
| 2606 | goto error_param; |
| 2607 | } |
| 2608 | |
| 2609 | /* Use the queue bit map sent by the VF */ |
| 2610 | if (i40e_ctrl_vf_tx_rings(pf->vsi[vf->lan_vsi_idx], vqs->tx_queues, |
| 2611 | false)) { |
| 2612 | aq_ret = I40E_ERR_TIMEOUT; |
| 2613 | goto error_param; |
| 2614 | } |
| 2615 | if (i40e_ctrl_vf_rx_rings(pf->vsi[vf->lan_vsi_idx], vqs->rx_queues, |
| 2616 | false)) { |
| 2617 | aq_ret = I40E_ERR_TIMEOUT; |
| 2618 | goto error_param; |
| 2619 | } |
| 2620 | error_param: |
| 2621 | /* send the response to the VF */ |
| 2622 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, |
| 2623 | aq_ret); |
| 2624 | } |
| 2625 | |
| 2626 | /** |
| 2627 | * i40e_check_enough_queue - find big enough queue number |
| 2628 | * @vf: pointer to the VF info |
| 2629 | * @needed: the number of items needed |
| 2630 | * |
| 2631 | * Returns the base item index of the queue, or negative for error |
| 2632 | **/ |
| 2633 | static int i40e_check_enough_queue(struct i40e_vf *vf, u16 needed) |
| 2634 | { |
| 2635 | unsigned int i, cur_queues, more, pool_size; |
| 2636 | struct i40e_lump_tracking *pile; |
| 2637 | struct i40e_pf *pf = vf->pf; |
| 2638 | struct i40e_vsi *vsi; |
| 2639 | |
| 2640 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2641 | cur_queues = vsi->alloc_queue_pairs; |
| 2642 | |
| 2643 | /* if current allocated queues are enough for need */ |
| 2644 | if (cur_queues >= needed) |
| 2645 | return vsi->base_queue; |
| 2646 | |
| 2647 | pile = pf->qp_pile; |
| 2648 | if (cur_queues > 0) { |
| 2649 | /* if the allocated queues are not zero |
| 2650 | * just check if there are enough queues for more |
| 2651 | * behind the allocated queues. |
| 2652 | */ |
| 2653 | more = needed - cur_queues; |
| 2654 | for (i = vsi->base_queue + cur_queues; |
| 2655 | i < pile->num_entries; i++) { |
| 2656 | if (pile->list[i] & I40E_PILE_VALID_BIT) |
| 2657 | break; |
| 2658 | |
| 2659 | if (more-- == 1) |
| 2660 | /* there is enough */ |
| 2661 | return vsi->base_queue; |
| 2662 | } |
| 2663 | } |
| 2664 | |
| 2665 | pool_size = 0; |
| 2666 | for (i = 0; i < pile->num_entries; i++) { |
| 2667 | if (pile->list[i] & I40E_PILE_VALID_BIT) { |
| 2668 | pool_size = 0; |
| 2669 | continue; |
| 2670 | } |
| 2671 | if (needed <= ++pool_size) |
| 2672 | /* there is enough */ |
| 2673 | return i; |
| 2674 | } |
| 2675 | |
| 2676 | return -ENOMEM; |
| 2677 | } |
| 2678 | |
| 2679 | /** |
| 2680 | * i40e_vc_request_queues_msg |
| 2681 | * @vf: pointer to the VF info |
| 2682 | * @msg: pointer to the msg buffer |
| 2683 | * |
| 2684 | * VFs get a default number of queues but can use this message to request a |
| 2685 | * different number. If the request is successful, PF will reset the VF and |
| 2686 | * return 0. If unsuccessful, PF will send message informing VF of number of |
| 2687 | * available queues and return result of sending VF a message. |
| 2688 | **/ |
| 2689 | static int i40e_vc_request_queues_msg(struct i40e_vf *vf, u8 *msg) |
| 2690 | { |
| 2691 | struct virtchnl_vf_res_request *vfres = |
| 2692 | (struct virtchnl_vf_res_request *)msg; |
| 2693 | u16 req_pairs = vfres->num_queue_pairs; |
| 2694 | u8 cur_pairs = vf->num_queue_pairs; |
| 2695 | struct i40e_pf *pf = vf->pf; |
| 2696 | |
| 2697 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) |
| 2698 | return -EINVAL; |
| 2699 | |
| 2700 | if (req_pairs > I40E_MAX_VF_QUEUES) { |
| 2701 | dev_err(&pf->pdev->dev, |
| 2702 | "VF %d tried to request more than %d queues.\n", |
| 2703 | vf->vf_id, |
| 2704 | I40E_MAX_VF_QUEUES); |
| 2705 | vfres->num_queue_pairs = I40E_MAX_VF_QUEUES; |
| 2706 | } else if (req_pairs - cur_pairs > pf->queues_left) { |
| 2707 | dev_warn(&pf->pdev->dev, |
| 2708 | "VF %d requested %d more queues, but only %d left.\n", |
| 2709 | vf->vf_id, |
| 2710 | req_pairs - cur_pairs, |
| 2711 | pf->queues_left); |
| 2712 | vfres->num_queue_pairs = pf->queues_left + cur_pairs; |
| 2713 | } else if (i40e_check_enough_queue(vf, req_pairs) < 0) { |
| 2714 | dev_warn(&pf->pdev->dev, |
| 2715 | "VF %d requested %d more queues, but there is not enough for it.\n", |
| 2716 | vf->vf_id, |
| 2717 | req_pairs - cur_pairs); |
| 2718 | vfres->num_queue_pairs = cur_pairs; |
| 2719 | } else { |
| 2720 | /* successful request */ |
| 2721 | vf->num_req_queues = req_pairs; |
| 2722 | i40e_vc_reset_vf(vf, true); |
| 2723 | return 0; |
| 2724 | } |
| 2725 | |
| 2726 | return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, 0, |
| 2727 | (u8 *)vfres, sizeof(*vfres)); |
| 2728 | } |
| 2729 | |
| 2730 | /** |
| 2731 | * i40e_vc_get_stats_msg |
| 2732 | * @vf: pointer to the VF info |
| 2733 | * @msg: pointer to the msg buffer |
| 2734 | * |
| 2735 | * called from the VF to get vsi stats |
| 2736 | **/ |
| 2737 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg) |
| 2738 | { |
| 2739 | struct virtchnl_queue_select *vqs = |
| 2740 | (struct virtchnl_queue_select *)msg; |
| 2741 | struct i40e_pf *pf = vf->pf; |
| 2742 | struct i40e_eth_stats stats; |
| 2743 | i40e_status aq_ret = 0; |
| 2744 | struct i40e_vsi *vsi; |
| 2745 | |
| 2746 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); |
| 2747 | |
| 2748 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 2749 | aq_ret = I40E_ERR_PARAM; |
| 2750 | goto error_param; |
| 2751 | } |
| 2752 | |
| 2753 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { |
| 2754 | aq_ret = I40E_ERR_PARAM; |
| 2755 | goto error_param; |
| 2756 | } |
| 2757 | |
| 2758 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2759 | if (!vsi) { |
| 2760 | aq_ret = I40E_ERR_PARAM; |
| 2761 | goto error_param; |
| 2762 | } |
| 2763 | i40e_update_eth_stats(vsi); |
| 2764 | stats = vsi->eth_stats; |
| 2765 | |
| 2766 | error_param: |
| 2767 | /* send the response back to the VF */ |
| 2768 | return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, aq_ret, |
| 2769 | (u8 *)&stats, sizeof(stats)); |
| 2770 | } |
| 2771 | |
| 2772 | #define I40E_MAX_MACVLAN_PER_HW 3072 |
| 2773 | #define I40E_MAX_MACVLAN_PER_PF(num_ports) (I40E_MAX_MACVLAN_PER_HW / \ |
| 2774 | (num_ports)) |
| 2775 | /* If the VF is not trusted restrict the number of MAC/VLAN it can program |
| 2776 | * MAC filters: 16 for multicast, 1 for MAC, 1 for broadcast |
| 2777 | */ |
| 2778 | #define I40E_VC_MAX_MAC_ADDR_PER_VF (16 + 1 + 1) |
| 2779 | #define I40E_VC_MAX_VLAN_PER_VF 16 |
| 2780 | |
| 2781 | #define I40E_VC_MAX_MACVLAN_PER_TRUSTED_VF(vf_num, num_ports) \ |
| 2782 | ({ typeof(vf_num) vf_num_ = (vf_num); \ |
| 2783 | typeof(num_ports) num_ports_ = (num_ports); \ |
| 2784 | ((I40E_MAX_MACVLAN_PER_PF(num_ports_) - vf_num_ * \ |
| 2785 | I40E_VC_MAX_MAC_ADDR_PER_VF) / vf_num_) + \ |
| 2786 | I40E_VC_MAX_MAC_ADDR_PER_VF; }) |
| 2787 | /** |
| 2788 | * i40e_check_vf_permission |
| 2789 | * @vf: pointer to the VF info |
| 2790 | * @al: MAC address list from virtchnl |
| 2791 | * |
| 2792 | * Check that the given list of MAC addresses is allowed. Will return -EPERM |
| 2793 | * if any address in the list is not valid. Checks the following conditions: |
| 2794 | * |
| 2795 | * 1) broadcast and zero addresses are never valid |
| 2796 | * 2) unicast addresses are not allowed if the VMM has administratively set |
| 2797 | * the VF MAC address, unless the VF is marked as privileged. |
| 2798 | * 3) There is enough space to add all the addresses. |
| 2799 | * |
| 2800 | * Note that to guarantee consistency, it is expected this function be called |
| 2801 | * while holding the mac_filter_hash_lock, as otherwise the current number of |
| 2802 | * addresses might not be accurate. |
| 2803 | **/ |
| 2804 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, |
| 2805 | struct virtchnl_ether_addr_list *al) |
| 2806 | { |
| 2807 | struct i40e_pf *pf = vf->pf; |
| 2808 | struct i40e_vsi *vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2809 | struct i40e_hw *hw = &pf->hw; |
| 2810 | int mac2add_cnt = 0; |
| 2811 | int i; |
| 2812 | |
| 2813 | for (i = 0; i < al->num_elements; i++) { |
| 2814 | struct i40e_mac_filter *f; |
| 2815 | u8 *addr = al->list[i].addr; |
| 2816 | |
| 2817 | if (is_broadcast_ether_addr(addr) || |
| 2818 | is_zero_ether_addr(addr)) { |
| 2819 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", |
| 2820 | addr); |
| 2821 | return I40E_ERR_INVALID_MAC_ADDR; |
| 2822 | } |
| 2823 | |
| 2824 | /* If the host VMM administrator has set the VF MAC address |
| 2825 | * administratively via the ndo_set_vf_mac command then deny |
| 2826 | * permission to the VF to add or delete unicast MAC addresses. |
| 2827 | * Unless the VF is privileged and then it can do whatever. |
| 2828 | * The VF may request to set the MAC address filter already |
| 2829 | * assigned to it so do not return an error in that case. |
| 2830 | */ |
| 2831 | if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) && |
| 2832 | !is_multicast_ether_addr(addr) && vf->pf_set_mac && |
| 2833 | !ether_addr_equal(addr, vf->default_lan_addr.addr)) { |
| 2834 | dev_err(&pf->pdev->dev, |
| 2835 | "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n"); |
| 2836 | return -EPERM; |
| 2837 | } |
| 2838 | |
| 2839 | /*count filters that really will be added*/ |
| 2840 | f = i40e_find_mac(vsi, addr); |
| 2841 | if (!f) |
| 2842 | ++mac2add_cnt; |
| 2843 | } |
| 2844 | |
| 2845 | /* If this VF is not privileged, then we can't add more than a limited |
| 2846 | * number of addresses. Check to make sure that the additions do not |
| 2847 | * push us over the limit. |
| 2848 | */ |
| 2849 | if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { |
| 2850 | if ((i40e_count_filters(vsi) + mac2add_cnt) > |
| 2851 | I40E_VC_MAX_MAC_ADDR_PER_VF) { |
| 2852 | dev_err(&pf->pdev->dev, |
| 2853 | "Cannot add more MAC addresses, VF is not trusted, switch the VF to trusted to add more functionality\n"); |
| 2854 | return -EPERM; |
| 2855 | } |
| 2856 | /* If this VF is trusted, it can use more resources than untrusted. |
| 2857 | * However to ensure that every trusted VF has appropriate number of |
| 2858 | * resources, divide whole pool of resources per port and then across |
| 2859 | * all VFs. |
| 2860 | */ |
| 2861 | } else { |
| 2862 | if ((i40e_count_filters(vsi) + mac2add_cnt) > |
| 2863 | I40E_VC_MAX_MACVLAN_PER_TRUSTED_VF(pf->num_alloc_vfs, |
| 2864 | hw->num_ports)) { |
| 2865 | dev_err(&pf->pdev->dev, |
| 2866 | "Cannot add more MAC addresses, trusted VF exhausted it's resources\n"); |
| 2867 | return -EPERM; |
| 2868 | } |
| 2869 | } |
| 2870 | return 0; |
| 2871 | } |
| 2872 | |
| 2873 | /** |
| 2874 | * i40e_vc_add_mac_addr_msg |
| 2875 | * @vf: pointer to the VF info |
| 2876 | * @msg: pointer to the msg buffer |
| 2877 | * |
| 2878 | * add guest mac address filter |
| 2879 | **/ |
| 2880 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg) |
| 2881 | { |
| 2882 | struct virtchnl_ether_addr_list *al = |
| 2883 | (struct virtchnl_ether_addr_list *)msg; |
| 2884 | struct i40e_pf *pf = vf->pf; |
| 2885 | struct i40e_vsi *vsi = NULL; |
| 2886 | i40e_status ret = 0; |
| 2887 | int i; |
| 2888 | |
| 2889 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || |
| 2890 | !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) { |
| 2891 | ret = I40E_ERR_PARAM; |
| 2892 | goto error_param; |
| 2893 | } |
| 2894 | |
| 2895 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2896 | |
| 2897 | /* Lock once, because all function inside for loop accesses VSI's |
| 2898 | * MAC filter list which needs to be protected using same lock. |
| 2899 | */ |
| 2900 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 2901 | |
| 2902 | ret = i40e_check_vf_permission(vf, al); |
| 2903 | if (ret) { |
| 2904 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 2905 | goto error_param; |
| 2906 | } |
| 2907 | |
| 2908 | /* add new addresses to the list */ |
| 2909 | for (i = 0; i < al->num_elements; i++) { |
| 2910 | struct i40e_mac_filter *f; |
| 2911 | |
| 2912 | f = i40e_find_mac(vsi, al->list[i].addr); |
| 2913 | if (!f) { |
| 2914 | f = i40e_add_mac_filter(vsi, al->list[i].addr); |
| 2915 | |
| 2916 | if (!f) { |
| 2917 | dev_err(&pf->pdev->dev, |
| 2918 | "Unable to add MAC filter %pM for VF %d\n", |
| 2919 | al->list[i].addr, vf->vf_id); |
| 2920 | ret = I40E_ERR_PARAM; |
| 2921 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 2922 | goto error_param; |
| 2923 | } |
| 2924 | if (is_valid_ether_addr(al->list[i].addr) && |
| 2925 | is_zero_ether_addr(vf->default_lan_addr.addr)) |
| 2926 | ether_addr_copy(vf->default_lan_addr.addr, |
| 2927 | al->list[i].addr); |
| 2928 | } |
| 2929 | } |
| 2930 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 2931 | |
| 2932 | /* program the updated filter list */ |
| 2933 | ret = i40e_sync_vsi_filters(vsi); |
| 2934 | if (ret) |
| 2935 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", |
| 2936 | vf->vf_id, ret); |
| 2937 | |
| 2938 | error_param: |
| 2939 | /* send the response to the VF */ |
| 2940 | return i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_ETH_ADDR, |
| 2941 | ret, NULL, 0); |
| 2942 | } |
| 2943 | |
| 2944 | /** |
| 2945 | * i40e_vc_del_mac_addr_msg |
| 2946 | * @vf: pointer to the VF info |
| 2947 | * @msg: pointer to the msg buffer |
| 2948 | * |
| 2949 | * remove guest mac address filter |
| 2950 | **/ |
| 2951 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg) |
| 2952 | { |
| 2953 | struct virtchnl_ether_addr_list *al = |
| 2954 | (struct virtchnl_ether_addr_list *)msg; |
| 2955 | bool was_unimac_deleted = false; |
| 2956 | struct i40e_pf *pf = vf->pf; |
| 2957 | struct i40e_vsi *vsi = NULL; |
| 2958 | i40e_status ret = 0; |
| 2959 | int i; |
| 2960 | |
| 2961 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || |
| 2962 | !i40e_vc_isvalid_vsi_id(vf, al->vsi_id)) { |
| 2963 | ret = I40E_ERR_PARAM; |
| 2964 | goto error_param; |
| 2965 | } |
| 2966 | |
| 2967 | for (i = 0; i < al->num_elements; i++) { |
| 2968 | if (is_broadcast_ether_addr(al->list[i].addr) || |
| 2969 | is_zero_ether_addr(al->list[i].addr)) { |
| 2970 | dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n", |
| 2971 | al->list[i].addr, vf->vf_id); |
| 2972 | ret = I40E_ERR_INVALID_MAC_ADDR; |
| 2973 | goto error_param; |
| 2974 | } |
| 2975 | if (ether_addr_equal(al->list[i].addr, vf->default_lan_addr.addr)) |
| 2976 | was_unimac_deleted = true; |
| 2977 | } |
| 2978 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 2979 | |
| 2980 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 2981 | /* delete addresses from the list */ |
| 2982 | for (i = 0; i < al->num_elements; i++) |
| 2983 | if (i40e_del_mac_filter(vsi, al->list[i].addr)) { |
| 2984 | ret = I40E_ERR_INVALID_MAC_ADDR; |
| 2985 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 2986 | goto error_param; |
| 2987 | } |
| 2988 | |
| 2989 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 2990 | |
| 2991 | /* program the updated filter list */ |
| 2992 | ret = i40e_sync_vsi_filters(vsi); |
| 2993 | if (ret) |
| 2994 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", |
| 2995 | vf->vf_id, ret); |
| 2996 | |
| 2997 | if (vf->trusted && was_unimac_deleted) { |
| 2998 | struct i40e_mac_filter *f; |
| 2999 | struct hlist_node *h; |
| 3000 | u8 *macaddr = NULL; |
| 3001 | int bkt; |
| 3002 | |
| 3003 | /* set last unicast mac address as default */ |
| 3004 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 3005 | hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) { |
| 3006 | if (is_valid_ether_addr(f->macaddr)) |
| 3007 | macaddr = f->macaddr; |
| 3008 | } |
| 3009 | if (macaddr) |
| 3010 | ether_addr_copy(vf->default_lan_addr.addr, macaddr); |
| 3011 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 3012 | } |
| 3013 | error_param: |
| 3014 | /* send the response to the VF */ |
| 3015 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_ETH_ADDR, ret); |
| 3016 | } |
| 3017 | |
| 3018 | /** |
| 3019 | * i40e_vc_add_vlan_msg |
| 3020 | * @vf: pointer to the VF info |
| 3021 | * @msg: pointer to the msg buffer |
| 3022 | * |
| 3023 | * program guest vlan id |
| 3024 | **/ |
| 3025 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg) |
| 3026 | { |
| 3027 | struct virtchnl_vlan_filter_list *vfl = |
| 3028 | (struct virtchnl_vlan_filter_list *)msg; |
| 3029 | struct i40e_pf *pf = vf->pf; |
| 3030 | struct i40e_vsi *vsi = NULL; |
| 3031 | i40e_status aq_ret = 0; |
| 3032 | int i; |
| 3033 | |
| 3034 | if ((vf->num_vlan >= I40E_VC_MAX_VLAN_PER_VF) && |
| 3035 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { |
| 3036 | dev_err(&pf->pdev->dev, |
| 3037 | "VF is not trusted, switch the VF to trusted to add more VLAN addresses\n"); |
| 3038 | goto error_param; |
| 3039 | } |
| 3040 | if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || |
| 3041 | !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { |
| 3042 | aq_ret = I40E_ERR_PARAM; |
| 3043 | goto error_param; |
| 3044 | } |
| 3045 | |
| 3046 | for (i = 0; i < vfl->num_elements; i++) { |
| 3047 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { |
| 3048 | aq_ret = I40E_ERR_PARAM; |
| 3049 | dev_err(&pf->pdev->dev, |
| 3050 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); |
| 3051 | goto error_param; |
| 3052 | } |
| 3053 | } |
| 3054 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 3055 | if (vsi->info.pvid) { |
| 3056 | aq_ret = I40E_ERR_PARAM; |
| 3057 | goto error_param; |
| 3058 | } |
| 3059 | |
| 3060 | i40e_vlan_stripping_enable(vsi); |
| 3061 | for (i = 0; i < vfl->num_elements; i++) { |
| 3062 | /* add new VLAN filter */ |
| 3063 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); |
| 3064 | if (!ret) |
| 3065 | vf->num_vlan++; |
| 3066 | |
| 3067 | if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states)) |
| 3068 | i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid, |
| 3069 | true, |
| 3070 | vfl->vlan_id[i], |
| 3071 | NULL); |
| 3072 | if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states)) |
| 3073 | i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid, |
| 3074 | true, |
| 3075 | vfl->vlan_id[i], |
| 3076 | NULL); |
| 3077 | |
| 3078 | if (ret) |
| 3079 | dev_err(&pf->pdev->dev, |
| 3080 | "Unable to add VLAN filter %d for VF %d, error %d\n", |
| 3081 | vfl->vlan_id[i], vf->vf_id, ret); |
| 3082 | } |
| 3083 | |
| 3084 | error_param: |
| 3085 | /* send the response to the VF */ |
| 3086 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, aq_ret); |
| 3087 | } |
| 3088 | |
| 3089 | /** |
| 3090 | * i40e_vc_remove_vlan_msg |
| 3091 | * @vf: pointer to the VF info |
| 3092 | * @msg: pointer to the msg buffer |
| 3093 | * |
| 3094 | * remove programmed guest vlan id |
| 3095 | **/ |
| 3096 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg) |
| 3097 | { |
| 3098 | struct virtchnl_vlan_filter_list *vfl = |
| 3099 | (struct virtchnl_vlan_filter_list *)msg; |
| 3100 | struct i40e_pf *pf = vf->pf; |
| 3101 | struct i40e_vsi *vsi = NULL; |
| 3102 | i40e_status aq_ret = 0; |
| 3103 | int i; |
| 3104 | |
| 3105 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || |
| 3106 | !i40e_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { |
| 3107 | aq_ret = I40E_ERR_PARAM; |
| 3108 | goto error_param; |
| 3109 | } |
| 3110 | |
| 3111 | for (i = 0; i < vfl->num_elements; i++) { |
| 3112 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { |
| 3113 | aq_ret = I40E_ERR_PARAM; |
| 3114 | goto error_param; |
| 3115 | } |
| 3116 | } |
| 3117 | |
| 3118 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 3119 | if (vsi->info.pvid) { |
| 3120 | if (vfl->num_elements > 1 || vfl->vlan_id[0]) |
| 3121 | aq_ret = I40E_ERR_PARAM; |
| 3122 | goto error_param; |
| 3123 | } |
| 3124 | |
| 3125 | for (i = 0; i < vfl->num_elements; i++) { |
| 3126 | i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); |
| 3127 | vf->num_vlan--; |
| 3128 | |
| 3129 | if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states)) |
| 3130 | i40e_aq_set_vsi_uc_promisc_on_vlan(&pf->hw, vsi->seid, |
| 3131 | false, |
| 3132 | vfl->vlan_id[i], |
| 3133 | NULL); |
| 3134 | if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states)) |
| 3135 | i40e_aq_set_vsi_mc_promisc_on_vlan(&pf->hw, vsi->seid, |
| 3136 | false, |
| 3137 | vfl->vlan_id[i], |
| 3138 | NULL); |
| 3139 | } |
| 3140 | |
| 3141 | error_param: |
| 3142 | /* send the response to the VF */ |
| 3143 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, aq_ret); |
| 3144 | } |
| 3145 | |
| 3146 | /** |
| 3147 | * i40e_vc_iwarp_msg |
| 3148 | * @vf: pointer to the VF info |
| 3149 | * @msg: pointer to the msg buffer |
| 3150 | * @msglen: msg length |
| 3151 | * |
| 3152 | * called from the VF for the iwarp msgs |
| 3153 | **/ |
| 3154 | static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) |
| 3155 | { |
| 3156 | struct i40e_pf *pf = vf->pf; |
| 3157 | int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id; |
| 3158 | i40e_status aq_ret = 0; |
| 3159 | |
| 3160 | if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || |
| 3161 | !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) { |
| 3162 | aq_ret = I40E_ERR_PARAM; |
| 3163 | goto error_param; |
| 3164 | } |
| 3165 | |
| 3166 | i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id, |
| 3167 | msg, msglen); |
| 3168 | |
| 3169 | error_param: |
| 3170 | /* send the response to the VF */ |
| 3171 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_IWARP, |
| 3172 | aq_ret); |
| 3173 | } |
| 3174 | |
| 3175 | /** |
| 3176 | * i40e_vc_iwarp_qvmap_msg |
| 3177 | * @vf: pointer to the VF info |
| 3178 | * @msg: pointer to the msg buffer |
| 3179 | * @config: config qvmap or release it |
| 3180 | * |
| 3181 | * called from the VF for the iwarp msgs |
| 3182 | **/ |
| 3183 | static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, bool config) |
| 3184 | { |
| 3185 | struct virtchnl_iwarp_qvlist_info *qvlist_info = |
| 3186 | (struct virtchnl_iwarp_qvlist_info *)msg; |
| 3187 | i40e_status aq_ret = 0; |
| 3188 | |
| 3189 | if (!test_bit(I40E_VF_STATE_ACTIVE, &vf->vf_states) || |
| 3190 | !test_bit(I40E_VF_STATE_IWARPENA, &vf->vf_states)) { |
| 3191 | aq_ret = I40E_ERR_PARAM; |
| 3192 | goto error_param; |
| 3193 | } |
| 3194 | |
| 3195 | if (config) { |
| 3196 | if (i40e_config_iwarp_qvlist(vf, qvlist_info)) |
| 3197 | aq_ret = I40E_ERR_PARAM; |
| 3198 | } else { |
| 3199 | i40e_release_iwarp_qvlist(vf); |
| 3200 | } |
| 3201 | |
| 3202 | error_param: |
| 3203 | /* send the response to the VF */ |
| 3204 | return i40e_vc_send_resp_to_vf(vf, |
| 3205 | config ? VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP : |
| 3206 | VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP, |
| 3207 | aq_ret); |
| 3208 | } |
| 3209 | |
| 3210 | /** |
| 3211 | * i40e_vc_config_rss_key |
| 3212 | * @vf: pointer to the VF info |
| 3213 | * @msg: pointer to the msg buffer |
| 3214 | * |
| 3215 | * Configure the VF's RSS key |
| 3216 | **/ |
| 3217 | static int i40e_vc_config_rss_key(struct i40e_vf *vf, u8 *msg) |
| 3218 | { |
| 3219 | struct virtchnl_rss_key *vrk = |
| 3220 | (struct virtchnl_rss_key *)msg; |
| 3221 | struct i40e_pf *pf = vf->pf; |
| 3222 | struct i40e_vsi *vsi = NULL; |
| 3223 | i40e_status aq_ret = 0; |
| 3224 | |
| 3225 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || |
| 3226 | !i40e_vc_isvalid_vsi_id(vf, vrk->vsi_id) || |
| 3227 | vrk->key_len != I40E_HKEY_ARRAY_SIZE) { |
| 3228 | aq_ret = I40E_ERR_PARAM; |
| 3229 | goto err; |
| 3230 | } |
| 3231 | |
| 3232 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 3233 | aq_ret = i40e_config_rss(vsi, vrk->key, NULL, 0); |
| 3234 | err: |
| 3235 | /* send the response to the VF */ |
| 3236 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, |
| 3237 | aq_ret); |
| 3238 | } |
| 3239 | |
| 3240 | /** |
| 3241 | * i40e_vc_config_rss_lut |
| 3242 | * @vf: pointer to the VF info |
| 3243 | * @msg: pointer to the msg buffer |
| 3244 | * |
| 3245 | * Configure the VF's RSS LUT |
| 3246 | **/ |
| 3247 | static int i40e_vc_config_rss_lut(struct i40e_vf *vf, u8 *msg) |
| 3248 | { |
| 3249 | struct virtchnl_rss_lut *vrl = |
| 3250 | (struct virtchnl_rss_lut *)msg; |
| 3251 | struct i40e_pf *pf = vf->pf; |
| 3252 | struct i40e_vsi *vsi = NULL; |
| 3253 | i40e_status aq_ret = 0; |
| 3254 | u16 i; |
| 3255 | |
| 3256 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE) || |
| 3257 | !i40e_vc_isvalid_vsi_id(vf, vrl->vsi_id) || |
| 3258 | vrl->lut_entries != I40E_VF_HLUT_ARRAY_SIZE) { |
| 3259 | aq_ret = I40E_ERR_PARAM; |
| 3260 | goto err; |
| 3261 | } |
| 3262 | |
| 3263 | for (i = 0; i < vrl->lut_entries; i++) |
| 3264 | if (vrl->lut[i] >= vf->num_queue_pairs) { |
| 3265 | aq_ret = I40E_ERR_PARAM; |
| 3266 | goto err; |
| 3267 | } |
| 3268 | |
| 3269 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 3270 | aq_ret = i40e_config_rss(vsi, NULL, vrl->lut, I40E_VF_HLUT_ARRAY_SIZE); |
| 3271 | /* send the response to the VF */ |
| 3272 | err: |
| 3273 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, |
| 3274 | aq_ret); |
| 3275 | } |
| 3276 | |
| 3277 | /** |
| 3278 | * i40e_vc_get_rss_hena |
| 3279 | * @vf: pointer to the VF info |
| 3280 | * @msg: pointer to the msg buffer |
| 3281 | * |
| 3282 | * Return the RSS HENA bits allowed by the hardware |
| 3283 | **/ |
| 3284 | static int i40e_vc_get_rss_hena(struct i40e_vf *vf, u8 *msg) |
| 3285 | { |
| 3286 | struct virtchnl_rss_hena *vrh = NULL; |
| 3287 | struct i40e_pf *pf = vf->pf; |
| 3288 | i40e_status aq_ret = 0; |
| 3289 | int len = 0; |
| 3290 | |
| 3291 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3292 | aq_ret = I40E_ERR_PARAM; |
| 3293 | goto err; |
| 3294 | } |
| 3295 | len = sizeof(struct virtchnl_rss_hena); |
| 3296 | |
| 3297 | vrh = kzalloc(len, GFP_KERNEL); |
| 3298 | if (!vrh) { |
| 3299 | aq_ret = I40E_ERR_NO_MEMORY; |
| 3300 | len = 0; |
| 3301 | goto err; |
| 3302 | } |
| 3303 | vrh->hena = i40e_pf_get_default_rss_hena(pf); |
| 3304 | err: |
| 3305 | /* send the response back to the VF */ |
| 3306 | aq_ret = i40e_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_RSS_HENA_CAPS, |
| 3307 | aq_ret, (u8 *)vrh, len); |
| 3308 | kfree(vrh); |
| 3309 | return aq_ret; |
| 3310 | } |
| 3311 | |
| 3312 | /** |
| 3313 | * i40e_vc_set_rss_hena |
| 3314 | * @vf: pointer to the VF info |
| 3315 | * @msg: pointer to the msg buffer |
| 3316 | * |
| 3317 | * Set the RSS HENA bits for the VF |
| 3318 | **/ |
| 3319 | static int i40e_vc_set_rss_hena(struct i40e_vf *vf, u8 *msg) |
| 3320 | { |
| 3321 | struct virtchnl_rss_hena *vrh = |
| 3322 | (struct virtchnl_rss_hena *)msg; |
| 3323 | struct i40e_pf *pf = vf->pf; |
| 3324 | struct i40e_hw *hw = &pf->hw; |
| 3325 | i40e_status aq_ret = 0; |
| 3326 | |
| 3327 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3328 | aq_ret = I40E_ERR_PARAM; |
| 3329 | goto err; |
| 3330 | } |
| 3331 | i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(0, vf->vf_id), (u32)vrh->hena); |
| 3332 | i40e_write_rx_ctl(hw, I40E_VFQF_HENA1(1, vf->vf_id), |
| 3333 | (u32)(vrh->hena >> 32)); |
| 3334 | |
| 3335 | /* send the response to the VF */ |
| 3336 | err: |
| 3337 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_SET_RSS_HENA, aq_ret); |
| 3338 | } |
| 3339 | |
| 3340 | /** |
| 3341 | * i40e_vc_enable_vlan_stripping |
| 3342 | * @vf: pointer to the VF info |
| 3343 | * @msg: pointer to the msg buffer |
| 3344 | * |
| 3345 | * Enable vlan header stripping for the VF |
| 3346 | **/ |
| 3347 | static int i40e_vc_enable_vlan_stripping(struct i40e_vf *vf, u8 *msg) |
| 3348 | { |
| 3349 | i40e_status aq_ret = 0; |
| 3350 | struct i40e_vsi *vsi; |
| 3351 | |
| 3352 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3353 | aq_ret = I40E_ERR_PARAM; |
| 3354 | goto err; |
| 3355 | } |
| 3356 | |
| 3357 | vsi = vf->pf->vsi[vf->lan_vsi_idx]; |
| 3358 | i40e_vlan_stripping_enable(vsi); |
| 3359 | |
| 3360 | /* send the response to the VF */ |
| 3361 | err: |
| 3362 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING, |
| 3363 | aq_ret); |
| 3364 | } |
| 3365 | |
| 3366 | /** |
| 3367 | * i40e_vc_disable_vlan_stripping |
| 3368 | * @vf: pointer to the VF info |
| 3369 | * @msg: pointer to the msg buffer |
| 3370 | * |
| 3371 | * Disable vlan header stripping for the VF |
| 3372 | **/ |
| 3373 | static int i40e_vc_disable_vlan_stripping(struct i40e_vf *vf, u8 *msg) |
| 3374 | { |
| 3375 | i40e_status aq_ret = 0; |
| 3376 | struct i40e_vsi *vsi; |
| 3377 | |
| 3378 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3379 | aq_ret = I40E_ERR_PARAM; |
| 3380 | goto err; |
| 3381 | } |
| 3382 | |
| 3383 | vsi = vf->pf->vsi[vf->lan_vsi_idx]; |
| 3384 | i40e_vlan_stripping_disable(vsi); |
| 3385 | |
| 3386 | /* send the response to the VF */ |
| 3387 | err: |
| 3388 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, |
| 3389 | aq_ret); |
| 3390 | } |
| 3391 | |
| 3392 | /** |
| 3393 | * i40e_validate_cloud_filter |
| 3394 | * @vf: pointer to VF structure |
| 3395 | * @tc_filter: pointer to filter requested |
| 3396 | * |
| 3397 | * This function validates cloud filter programmed as TC filter for ADq |
| 3398 | **/ |
| 3399 | static int i40e_validate_cloud_filter(struct i40e_vf *vf, |
| 3400 | struct virtchnl_filter *tc_filter) |
| 3401 | { |
| 3402 | struct virtchnl_l4_spec mask = tc_filter->mask.tcp_spec; |
| 3403 | struct virtchnl_l4_spec data = tc_filter->data.tcp_spec; |
| 3404 | struct i40e_pf *pf = vf->pf; |
| 3405 | struct i40e_vsi *vsi = NULL; |
| 3406 | struct i40e_mac_filter *f; |
| 3407 | struct hlist_node *h; |
| 3408 | bool found = false; |
| 3409 | int bkt; |
| 3410 | |
| 3411 | if (!tc_filter->action) { |
| 3412 | dev_info(&pf->pdev->dev, |
| 3413 | "VF %d: Currently ADq doesn't support Drop Action\n", |
| 3414 | vf->vf_id); |
| 3415 | goto err; |
| 3416 | } |
| 3417 | |
| 3418 | /* action_meta is TC number here to which the filter is applied */ |
| 3419 | if (!tc_filter->action_meta || |
| 3420 | tc_filter->action_meta > I40E_MAX_VF_VSI) { |
| 3421 | dev_info(&pf->pdev->dev, "VF %d: Invalid TC number %u\n", |
| 3422 | vf->vf_id, tc_filter->action_meta); |
| 3423 | goto err; |
| 3424 | } |
| 3425 | |
| 3426 | /* Check filter if it's programmed for advanced mode or basic mode. |
| 3427 | * There are two ADq modes (for VF only), |
| 3428 | * 1. Basic mode: intended to allow as many filter options as possible |
| 3429 | * to be added to a VF in Non-trusted mode. Main goal is |
| 3430 | * to add filters to its own MAC and VLAN id. |
| 3431 | * 2. Advanced mode: is for allowing filters to be applied other than |
| 3432 | * its own MAC or VLAN. This mode requires the VF to be |
| 3433 | * Trusted. |
| 3434 | */ |
| 3435 | if (mask.dst_mac[0] && !mask.dst_ip[0]) { |
| 3436 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 3437 | f = i40e_find_mac(vsi, data.dst_mac); |
| 3438 | |
| 3439 | if (!f) { |
| 3440 | dev_info(&pf->pdev->dev, |
| 3441 | "Destination MAC %pM doesn't belong to VF %d\n", |
| 3442 | data.dst_mac, vf->vf_id); |
| 3443 | goto err; |
| 3444 | } |
| 3445 | |
| 3446 | if (mask.vlan_id) { |
| 3447 | hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, |
| 3448 | hlist) { |
| 3449 | if (f->vlan == ntohs(data.vlan_id)) { |
| 3450 | found = true; |
| 3451 | break; |
| 3452 | } |
| 3453 | } |
| 3454 | if (!found) { |
| 3455 | dev_info(&pf->pdev->dev, |
| 3456 | "VF %d doesn't have any VLAN id %u\n", |
| 3457 | vf->vf_id, ntohs(data.vlan_id)); |
| 3458 | goto err; |
| 3459 | } |
| 3460 | } |
| 3461 | } else { |
| 3462 | /* Check if VF is trusted */ |
| 3463 | if (!test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps)) { |
| 3464 | dev_err(&pf->pdev->dev, |
| 3465 | "VF %d not trusted, make VF trusted to add advanced mode ADq cloud filters\n", |
| 3466 | vf->vf_id); |
| 3467 | return I40E_ERR_CONFIG; |
| 3468 | } |
| 3469 | } |
| 3470 | |
| 3471 | if (mask.dst_mac[0] & data.dst_mac[0]) { |
| 3472 | if (is_broadcast_ether_addr(data.dst_mac) || |
| 3473 | is_zero_ether_addr(data.dst_mac)) { |
| 3474 | dev_info(&pf->pdev->dev, "VF %d: Invalid Dest MAC addr %pM\n", |
| 3475 | vf->vf_id, data.dst_mac); |
| 3476 | goto err; |
| 3477 | } |
| 3478 | } |
| 3479 | |
| 3480 | if (mask.src_mac[0] & data.src_mac[0]) { |
| 3481 | if (is_broadcast_ether_addr(data.src_mac) || |
| 3482 | is_zero_ether_addr(data.src_mac)) { |
| 3483 | dev_info(&pf->pdev->dev, "VF %d: Invalid Source MAC addr %pM\n", |
| 3484 | vf->vf_id, data.src_mac); |
| 3485 | goto err; |
| 3486 | } |
| 3487 | } |
| 3488 | |
| 3489 | if (mask.dst_port & data.dst_port) { |
| 3490 | if (!data.dst_port) { |
| 3491 | dev_info(&pf->pdev->dev, "VF %d: Invalid Dest port\n", |
| 3492 | vf->vf_id); |
| 3493 | goto err; |
| 3494 | } |
| 3495 | } |
| 3496 | |
| 3497 | if (mask.src_port & data.src_port) { |
| 3498 | if (!data.src_port) { |
| 3499 | dev_info(&pf->pdev->dev, "VF %d: Invalid Source port\n", |
| 3500 | vf->vf_id); |
| 3501 | goto err; |
| 3502 | } |
| 3503 | } |
| 3504 | |
| 3505 | if (tc_filter->flow_type != VIRTCHNL_TCP_V6_FLOW && |
| 3506 | tc_filter->flow_type != VIRTCHNL_TCP_V4_FLOW) { |
| 3507 | dev_info(&pf->pdev->dev, "VF %d: Invalid Flow type\n", |
| 3508 | vf->vf_id); |
| 3509 | goto err; |
| 3510 | } |
| 3511 | |
| 3512 | if (mask.vlan_id & data.vlan_id) { |
| 3513 | if (ntohs(data.vlan_id) > I40E_MAX_VLANID) { |
| 3514 | dev_info(&pf->pdev->dev, "VF %d: invalid VLAN ID\n", |
| 3515 | vf->vf_id); |
| 3516 | goto err; |
| 3517 | } |
| 3518 | } |
| 3519 | |
| 3520 | return I40E_SUCCESS; |
| 3521 | err: |
| 3522 | return I40E_ERR_CONFIG; |
| 3523 | } |
| 3524 | |
| 3525 | /** |
| 3526 | * i40e_find_vsi_from_seid - searches for the vsi with the given seid |
| 3527 | * @vf: pointer to the VF info |
| 3528 | * @seid: seid of the vsi it is searching for |
| 3529 | **/ |
| 3530 | static struct i40e_vsi *i40e_find_vsi_from_seid(struct i40e_vf *vf, u16 seid) |
| 3531 | { |
| 3532 | struct i40e_pf *pf = vf->pf; |
| 3533 | struct i40e_vsi *vsi = NULL; |
| 3534 | int i; |
| 3535 | |
| 3536 | for (i = 0; i < vf->num_tc ; i++) { |
| 3537 | vsi = i40e_find_vsi_from_id(pf, vf->ch[i].vsi_id); |
| 3538 | if (vsi && vsi->seid == seid) |
| 3539 | return vsi; |
| 3540 | } |
| 3541 | return NULL; |
| 3542 | } |
| 3543 | |
| 3544 | /** |
| 3545 | * i40e_del_all_cloud_filters |
| 3546 | * @vf: pointer to the VF info |
| 3547 | * |
| 3548 | * This function deletes all cloud filters |
| 3549 | **/ |
| 3550 | static void i40e_del_all_cloud_filters(struct i40e_vf *vf) |
| 3551 | { |
| 3552 | struct i40e_cloud_filter *cfilter = NULL; |
| 3553 | struct i40e_pf *pf = vf->pf; |
| 3554 | struct i40e_vsi *vsi = NULL; |
| 3555 | struct hlist_node *node; |
| 3556 | int ret; |
| 3557 | |
| 3558 | hlist_for_each_entry_safe(cfilter, node, |
| 3559 | &vf->cloud_filter_list, cloud_node) { |
| 3560 | vsi = i40e_find_vsi_from_seid(vf, cfilter->seid); |
| 3561 | |
| 3562 | if (!vsi) { |
| 3563 | dev_err(&pf->pdev->dev, "VF %d: no VSI found for matching %u seid, can't delete cloud filter\n", |
| 3564 | vf->vf_id, cfilter->seid); |
| 3565 | continue; |
| 3566 | } |
| 3567 | |
| 3568 | if (cfilter->dst_port) |
| 3569 | ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter, |
| 3570 | false); |
| 3571 | else |
| 3572 | ret = i40e_add_del_cloud_filter(vsi, cfilter, false); |
| 3573 | if (ret) |
| 3574 | dev_err(&pf->pdev->dev, |
| 3575 | "VF %d: Failed to delete cloud filter, err %s aq_err %s\n", |
| 3576 | vf->vf_id, i40e_stat_str(&pf->hw, ret), |
| 3577 | i40e_aq_str(&pf->hw, |
| 3578 | pf->hw.aq.asq_last_status)); |
| 3579 | |
| 3580 | hlist_del(&cfilter->cloud_node); |
| 3581 | kfree(cfilter); |
| 3582 | vf->num_cloud_filters--; |
| 3583 | } |
| 3584 | } |
| 3585 | |
| 3586 | /** |
| 3587 | * i40e_vc_del_cloud_filter |
| 3588 | * @vf: pointer to the VF info |
| 3589 | * @msg: pointer to the msg buffer |
| 3590 | * |
| 3591 | * This function deletes a cloud filter programmed as TC filter for ADq |
| 3592 | **/ |
| 3593 | static int i40e_vc_del_cloud_filter(struct i40e_vf *vf, u8 *msg) |
| 3594 | { |
| 3595 | struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg; |
| 3596 | struct virtchnl_l4_spec mask = vcf->mask.tcp_spec; |
| 3597 | struct virtchnl_l4_spec tcf = vcf->data.tcp_spec; |
| 3598 | struct i40e_cloud_filter cfilter, *cf = NULL; |
| 3599 | struct i40e_pf *pf = vf->pf; |
| 3600 | struct i40e_vsi *vsi = NULL; |
| 3601 | struct hlist_node *node; |
| 3602 | i40e_status aq_ret = 0; |
| 3603 | int i, ret; |
| 3604 | |
| 3605 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3606 | aq_ret = I40E_ERR_PARAM; |
| 3607 | goto err; |
| 3608 | } |
| 3609 | |
| 3610 | if (!vf->adq_enabled) { |
| 3611 | dev_info(&pf->pdev->dev, |
| 3612 | "VF %d: ADq not enabled, can't apply cloud filter\n", |
| 3613 | vf->vf_id); |
| 3614 | aq_ret = I40E_ERR_PARAM; |
| 3615 | goto err; |
| 3616 | } |
| 3617 | |
| 3618 | if (i40e_validate_cloud_filter(vf, vcf)) { |
| 3619 | dev_info(&pf->pdev->dev, |
| 3620 | "VF %d: Invalid input, can't apply cloud filter\n", |
| 3621 | vf->vf_id); |
| 3622 | aq_ret = I40E_ERR_PARAM; |
| 3623 | goto err; |
| 3624 | } |
| 3625 | |
| 3626 | memset(&cfilter, 0, sizeof(cfilter)); |
| 3627 | /* parse destination mac address */ |
| 3628 | for (i = 0; i < ETH_ALEN; i++) |
| 3629 | cfilter.dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i]; |
| 3630 | |
| 3631 | /* parse source mac address */ |
| 3632 | for (i = 0; i < ETH_ALEN; i++) |
| 3633 | cfilter.src_mac[i] = mask.src_mac[i] & tcf.src_mac[i]; |
| 3634 | |
| 3635 | cfilter.vlan_id = mask.vlan_id & tcf.vlan_id; |
| 3636 | cfilter.dst_port = mask.dst_port & tcf.dst_port; |
| 3637 | cfilter.src_port = mask.src_port & tcf.src_port; |
| 3638 | |
| 3639 | switch (vcf->flow_type) { |
| 3640 | case VIRTCHNL_TCP_V4_FLOW: |
| 3641 | cfilter.n_proto = ETH_P_IP; |
| 3642 | if (mask.dst_ip[0] & tcf.dst_ip[0]) |
| 3643 | memcpy(&cfilter.ip.v4.dst_ip, tcf.dst_ip, |
| 3644 | ARRAY_SIZE(tcf.dst_ip)); |
| 3645 | else if (mask.src_ip[0] & tcf.dst_ip[0]) |
| 3646 | memcpy(&cfilter.ip.v4.src_ip, tcf.src_ip, |
| 3647 | ARRAY_SIZE(tcf.dst_ip)); |
| 3648 | break; |
| 3649 | case VIRTCHNL_TCP_V6_FLOW: |
| 3650 | cfilter.n_proto = ETH_P_IPV6; |
| 3651 | if (mask.dst_ip[3] & tcf.dst_ip[3]) |
| 3652 | memcpy(&cfilter.ip.v6.dst_ip6, tcf.dst_ip, |
| 3653 | sizeof(cfilter.ip.v6.dst_ip6)); |
| 3654 | if (mask.src_ip[3] & tcf.src_ip[3]) |
| 3655 | memcpy(&cfilter.ip.v6.src_ip6, tcf.src_ip, |
| 3656 | sizeof(cfilter.ip.v6.src_ip6)); |
| 3657 | break; |
| 3658 | default: |
| 3659 | /* TC filter can be configured based on different combinations |
| 3660 | * and in this case IP is not a part of filter config |
| 3661 | */ |
| 3662 | dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n", |
| 3663 | vf->vf_id); |
| 3664 | } |
| 3665 | |
| 3666 | /* get the vsi to which the tc belongs to */ |
| 3667 | vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx]; |
| 3668 | cfilter.seid = vsi->seid; |
| 3669 | cfilter.flags = vcf->field_flags; |
| 3670 | |
| 3671 | /* Deleting TC filter */ |
| 3672 | if (tcf.dst_port) |
| 3673 | ret = i40e_add_del_cloud_filter_big_buf(vsi, &cfilter, false); |
| 3674 | else |
| 3675 | ret = i40e_add_del_cloud_filter(vsi, &cfilter, false); |
| 3676 | if (ret) { |
| 3677 | dev_err(&pf->pdev->dev, |
| 3678 | "VF %d: Failed to delete cloud filter, err %s aq_err %s\n", |
| 3679 | vf->vf_id, i40e_stat_str(&pf->hw, ret), |
| 3680 | i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status)); |
| 3681 | goto err; |
| 3682 | } |
| 3683 | |
| 3684 | hlist_for_each_entry_safe(cf, node, |
| 3685 | &vf->cloud_filter_list, cloud_node) { |
| 3686 | if (cf->seid != cfilter.seid) |
| 3687 | continue; |
| 3688 | if (mask.dst_port) |
| 3689 | if (cfilter.dst_port != cf->dst_port) |
| 3690 | continue; |
| 3691 | if (mask.dst_mac[0]) |
| 3692 | if (!ether_addr_equal(cf->src_mac, cfilter.src_mac)) |
| 3693 | continue; |
| 3694 | /* for ipv4 data to be valid, only first byte of mask is set */ |
| 3695 | if (cfilter.n_proto == ETH_P_IP && mask.dst_ip[0]) |
| 3696 | if (memcmp(&cfilter.ip.v4.dst_ip, &cf->ip.v4.dst_ip, |
| 3697 | ARRAY_SIZE(tcf.dst_ip))) |
| 3698 | continue; |
| 3699 | /* for ipv6, mask is set for all sixteen bytes (4 words) */ |
| 3700 | if (cfilter.n_proto == ETH_P_IPV6 && mask.dst_ip[3]) |
| 3701 | if (memcmp(&cfilter.ip.v6.dst_ip6, &cf->ip.v6.dst_ip6, |
| 3702 | sizeof(cfilter.ip.v6.src_ip6))) |
| 3703 | continue; |
| 3704 | if (mask.vlan_id) |
| 3705 | if (cfilter.vlan_id != cf->vlan_id) |
| 3706 | continue; |
| 3707 | |
| 3708 | hlist_del(&cf->cloud_node); |
| 3709 | kfree(cf); |
| 3710 | vf->num_cloud_filters--; |
| 3711 | } |
| 3712 | |
| 3713 | err: |
| 3714 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DEL_CLOUD_FILTER, |
| 3715 | aq_ret); |
| 3716 | } |
| 3717 | |
| 3718 | /** |
| 3719 | * i40e_vc_add_cloud_filter |
| 3720 | * @vf: pointer to the VF info |
| 3721 | * @msg: pointer to the msg buffer |
| 3722 | * |
| 3723 | * This function adds a cloud filter programmed as TC filter for ADq |
| 3724 | **/ |
| 3725 | static int i40e_vc_add_cloud_filter(struct i40e_vf *vf, u8 *msg) |
| 3726 | { |
| 3727 | struct virtchnl_filter *vcf = (struct virtchnl_filter *)msg; |
| 3728 | struct virtchnl_l4_spec mask = vcf->mask.tcp_spec; |
| 3729 | struct virtchnl_l4_spec tcf = vcf->data.tcp_spec; |
| 3730 | struct i40e_cloud_filter *cfilter = NULL; |
| 3731 | struct i40e_pf *pf = vf->pf; |
| 3732 | struct i40e_vsi *vsi = NULL; |
| 3733 | i40e_status aq_ret = 0; |
| 3734 | int i, ret; |
| 3735 | |
| 3736 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3737 | aq_ret = I40E_ERR_PARAM; |
| 3738 | goto err_out; |
| 3739 | } |
| 3740 | |
| 3741 | if (!vf->adq_enabled) { |
| 3742 | dev_info(&pf->pdev->dev, |
| 3743 | "VF %d: ADq is not enabled, can't apply cloud filter\n", |
| 3744 | vf->vf_id); |
| 3745 | aq_ret = I40E_ERR_PARAM; |
| 3746 | goto err_out; |
| 3747 | } |
| 3748 | |
| 3749 | if (i40e_validate_cloud_filter(vf, vcf)) { |
| 3750 | dev_info(&pf->pdev->dev, |
| 3751 | "VF %d: Invalid input/s, can't apply cloud filter\n", |
| 3752 | vf->vf_id); |
| 3753 | aq_ret = I40E_ERR_PARAM; |
| 3754 | goto err_out; |
| 3755 | } |
| 3756 | |
| 3757 | cfilter = kzalloc(sizeof(*cfilter), GFP_KERNEL); |
| 3758 | if (!cfilter) |
| 3759 | return -ENOMEM; |
| 3760 | |
| 3761 | /* parse destination mac address */ |
| 3762 | for (i = 0; i < ETH_ALEN; i++) |
| 3763 | cfilter->dst_mac[i] = mask.dst_mac[i] & tcf.dst_mac[i]; |
| 3764 | |
| 3765 | /* parse source mac address */ |
| 3766 | for (i = 0; i < ETH_ALEN; i++) |
| 3767 | cfilter->src_mac[i] = mask.src_mac[i] & tcf.src_mac[i]; |
| 3768 | |
| 3769 | cfilter->vlan_id = mask.vlan_id & tcf.vlan_id; |
| 3770 | cfilter->dst_port = mask.dst_port & tcf.dst_port; |
| 3771 | cfilter->src_port = mask.src_port & tcf.src_port; |
| 3772 | |
| 3773 | switch (vcf->flow_type) { |
| 3774 | case VIRTCHNL_TCP_V4_FLOW: |
| 3775 | cfilter->n_proto = ETH_P_IP; |
| 3776 | if (mask.dst_ip[0] & tcf.dst_ip[0]) |
| 3777 | memcpy(&cfilter->ip.v4.dst_ip, tcf.dst_ip, |
| 3778 | ARRAY_SIZE(tcf.dst_ip)); |
| 3779 | else if (mask.src_ip[0] & tcf.dst_ip[0]) |
| 3780 | memcpy(&cfilter->ip.v4.src_ip, tcf.src_ip, |
| 3781 | ARRAY_SIZE(tcf.dst_ip)); |
| 3782 | break; |
| 3783 | case VIRTCHNL_TCP_V6_FLOW: |
| 3784 | cfilter->n_proto = ETH_P_IPV6; |
| 3785 | if (mask.dst_ip[3] & tcf.dst_ip[3]) |
| 3786 | memcpy(&cfilter->ip.v6.dst_ip6, tcf.dst_ip, |
| 3787 | sizeof(cfilter->ip.v6.dst_ip6)); |
| 3788 | if (mask.src_ip[3] & tcf.src_ip[3]) |
| 3789 | memcpy(&cfilter->ip.v6.src_ip6, tcf.src_ip, |
| 3790 | sizeof(cfilter->ip.v6.src_ip6)); |
| 3791 | break; |
| 3792 | default: |
| 3793 | /* TC filter can be configured based on different combinations |
| 3794 | * and in this case IP is not a part of filter config |
| 3795 | */ |
| 3796 | dev_info(&pf->pdev->dev, "VF %d: Flow type not configured\n", |
| 3797 | vf->vf_id); |
| 3798 | } |
| 3799 | |
| 3800 | /* get the VSI to which the TC belongs to */ |
| 3801 | vsi = pf->vsi[vf->ch[vcf->action_meta].vsi_idx]; |
| 3802 | cfilter->seid = vsi->seid; |
| 3803 | cfilter->flags = vcf->field_flags; |
| 3804 | |
| 3805 | /* Adding cloud filter programmed as TC filter */ |
| 3806 | if (tcf.dst_port) |
| 3807 | ret = i40e_add_del_cloud_filter_big_buf(vsi, cfilter, true); |
| 3808 | else |
| 3809 | ret = i40e_add_del_cloud_filter(vsi, cfilter, true); |
| 3810 | if (ret) { |
| 3811 | dev_err(&pf->pdev->dev, |
| 3812 | "VF %d: Failed to add cloud filter, err %s aq_err %s\n", |
| 3813 | vf->vf_id, i40e_stat_str(&pf->hw, ret), |
| 3814 | i40e_aq_str(&pf->hw, pf->hw.aq.asq_last_status)); |
| 3815 | goto err_free; |
| 3816 | } |
| 3817 | |
| 3818 | INIT_HLIST_NODE(&cfilter->cloud_node); |
| 3819 | hlist_add_head(&cfilter->cloud_node, &vf->cloud_filter_list); |
| 3820 | /* release the pointer passing it to the collection */ |
| 3821 | cfilter = NULL; |
| 3822 | vf->num_cloud_filters++; |
| 3823 | err_free: |
| 3824 | kfree(cfilter); |
| 3825 | err_out: |
| 3826 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ADD_CLOUD_FILTER, |
| 3827 | aq_ret); |
| 3828 | } |
| 3829 | |
| 3830 | /** |
| 3831 | * i40e_vc_add_qch_msg: Add queue channel and enable ADq |
| 3832 | * @vf: pointer to the VF info |
| 3833 | * @msg: pointer to the msg buffer |
| 3834 | **/ |
| 3835 | static int i40e_vc_add_qch_msg(struct i40e_vf *vf, u8 *msg) |
| 3836 | { |
| 3837 | struct virtchnl_tc_info *tci = |
| 3838 | (struct virtchnl_tc_info *)msg; |
| 3839 | struct i40e_pf *pf = vf->pf; |
| 3840 | struct i40e_link_status *ls = &pf->hw.phy.link_info; |
| 3841 | int i, adq_request_qps = 0; |
| 3842 | i40e_status aq_ret = 0; |
| 3843 | u64 speed = 0; |
| 3844 | |
| 3845 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3846 | aq_ret = I40E_ERR_PARAM; |
| 3847 | goto err; |
| 3848 | } |
| 3849 | |
| 3850 | /* ADq cannot be applied if spoof check is ON */ |
| 3851 | if (vf->spoofchk) { |
| 3852 | dev_err(&pf->pdev->dev, |
| 3853 | "Spoof check is ON, turn it OFF to enable ADq\n"); |
| 3854 | aq_ret = I40E_ERR_PARAM; |
| 3855 | goto err; |
| 3856 | } |
| 3857 | |
| 3858 | if (!(vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ADQ)) { |
| 3859 | dev_err(&pf->pdev->dev, |
| 3860 | "VF %d attempting to enable ADq, but hasn't properly negotiated that capability\n", |
| 3861 | vf->vf_id); |
| 3862 | aq_ret = I40E_ERR_PARAM; |
| 3863 | goto err; |
| 3864 | } |
| 3865 | |
| 3866 | /* max number of traffic classes for VF currently capped at 4 */ |
| 3867 | if (!tci->num_tc || tci->num_tc > I40E_MAX_VF_VSI) { |
| 3868 | dev_err(&pf->pdev->dev, |
| 3869 | "VF %d trying to set %u TCs, valid range 1-%u TCs per VF\n", |
| 3870 | vf->vf_id, tci->num_tc, I40E_MAX_VF_VSI); |
| 3871 | aq_ret = I40E_ERR_PARAM; |
| 3872 | goto err; |
| 3873 | } |
| 3874 | |
| 3875 | /* validate queues for each TC */ |
| 3876 | for (i = 0; i < tci->num_tc; i++) |
| 3877 | if (!tci->list[i].count || |
| 3878 | tci->list[i].count > I40E_DEFAULT_QUEUES_PER_VF) { |
| 3879 | dev_err(&pf->pdev->dev, |
| 3880 | "VF %d: TC %d trying to set %u queues, valid range 1-%u queues per TC\n", |
| 3881 | vf->vf_id, i, tci->list[i].count, |
| 3882 | I40E_DEFAULT_QUEUES_PER_VF); |
| 3883 | aq_ret = I40E_ERR_PARAM; |
| 3884 | goto err; |
| 3885 | } |
| 3886 | |
| 3887 | /* need Max VF queues but already have default number of queues */ |
| 3888 | adq_request_qps = I40E_MAX_VF_QUEUES - I40E_DEFAULT_QUEUES_PER_VF; |
| 3889 | |
| 3890 | if (pf->queues_left < adq_request_qps) { |
| 3891 | dev_err(&pf->pdev->dev, |
| 3892 | "No queues left to allocate to VF %d\n", |
| 3893 | vf->vf_id); |
| 3894 | aq_ret = I40E_ERR_PARAM; |
| 3895 | goto err; |
| 3896 | } else { |
| 3897 | /* we need to allocate max VF queues to enable ADq so as to |
| 3898 | * make sure ADq enabled VF always gets back queues when it |
| 3899 | * goes through a reset. |
| 3900 | */ |
| 3901 | vf->num_queue_pairs = I40E_MAX_VF_QUEUES; |
| 3902 | } |
| 3903 | |
| 3904 | /* get link speed in MB to validate rate limit */ |
| 3905 | speed = i40e_vc_link_speed2mbps(ls->link_speed); |
| 3906 | if (speed == SPEED_UNKNOWN) { |
| 3907 | dev_err(&pf->pdev->dev, |
| 3908 | "Cannot detect link speed\n"); |
| 3909 | aq_ret = I40E_ERR_PARAM; |
| 3910 | goto err; |
| 3911 | } |
| 3912 | |
| 3913 | /* parse data from the queue channel info */ |
| 3914 | vf->num_tc = tci->num_tc; |
| 3915 | for (i = 0; i < vf->num_tc; i++) { |
| 3916 | if (tci->list[i].max_tx_rate) { |
| 3917 | if (tci->list[i].max_tx_rate > speed) { |
| 3918 | dev_err(&pf->pdev->dev, |
| 3919 | "Invalid max tx rate %llu specified for VF %d.", |
| 3920 | tci->list[i].max_tx_rate, |
| 3921 | vf->vf_id); |
| 3922 | aq_ret = I40E_ERR_PARAM; |
| 3923 | goto err; |
| 3924 | } else { |
| 3925 | vf->ch[i].max_tx_rate = |
| 3926 | tci->list[i].max_tx_rate; |
| 3927 | } |
| 3928 | } |
| 3929 | vf->ch[i].num_qps = tci->list[i].count; |
| 3930 | } |
| 3931 | |
| 3932 | /* set this flag only after making sure all inputs are sane */ |
| 3933 | vf->adq_enabled = true; |
| 3934 | |
| 3935 | /* reset the VF in order to allocate resources */ |
| 3936 | i40e_vc_reset_vf(vf, true); |
| 3937 | |
| 3938 | return I40E_SUCCESS; |
| 3939 | |
| 3940 | /* send the response to the VF */ |
| 3941 | err: |
| 3942 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_ENABLE_CHANNELS, |
| 3943 | aq_ret); |
| 3944 | } |
| 3945 | |
| 3946 | /** |
| 3947 | * i40e_vc_del_qch_msg |
| 3948 | * @vf: pointer to the VF info |
| 3949 | * @msg: pointer to the msg buffer |
| 3950 | **/ |
| 3951 | static int i40e_vc_del_qch_msg(struct i40e_vf *vf, u8 *msg) |
| 3952 | { |
| 3953 | struct i40e_pf *pf = vf->pf; |
| 3954 | i40e_status aq_ret = 0; |
| 3955 | |
| 3956 | if (!i40e_sync_vf_state(vf, I40E_VF_STATE_ACTIVE)) { |
| 3957 | aq_ret = I40E_ERR_PARAM; |
| 3958 | goto err; |
| 3959 | } |
| 3960 | |
| 3961 | if (vf->adq_enabled) { |
| 3962 | i40e_del_all_cloud_filters(vf); |
| 3963 | i40e_del_qch(vf); |
| 3964 | vf->adq_enabled = false; |
| 3965 | vf->num_tc = 0; |
| 3966 | dev_info(&pf->pdev->dev, |
| 3967 | "Deleting Queue Channels and cloud filters for ADq on VF %d\n", |
| 3968 | vf->vf_id); |
| 3969 | } else { |
| 3970 | dev_info(&pf->pdev->dev, "VF %d trying to delete queue channels but ADq isn't enabled\n", |
| 3971 | vf->vf_id); |
| 3972 | aq_ret = I40E_ERR_PARAM; |
| 3973 | } |
| 3974 | |
| 3975 | /* reset the VF in order to allocate resources */ |
| 3976 | i40e_vc_reset_vf(vf, true); |
| 3977 | |
| 3978 | return I40E_SUCCESS; |
| 3979 | |
| 3980 | err: |
| 3981 | return i40e_vc_send_resp_to_vf(vf, VIRTCHNL_OP_DISABLE_CHANNELS, |
| 3982 | aq_ret); |
| 3983 | } |
| 3984 | |
| 3985 | /** |
| 3986 | * i40e_vc_process_vf_msg |
| 3987 | * @pf: pointer to the PF structure |
| 3988 | * @vf_id: source VF id |
| 3989 | * @v_opcode: operation code |
| 3990 | * @v_retval: unused return value code |
| 3991 | * @msg: pointer to the msg buffer |
| 3992 | * @msglen: msg length |
| 3993 | * |
| 3994 | * called from the common aeq/arq handler to |
| 3995 | * process request from VF |
| 3996 | **/ |
| 3997 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, s16 vf_id, u32 v_opcode, |
| 3998 | u32 __always_unused v_retval, u8 *msg, u16 msglen) |
| 3999 | { |
| 4000 | struct i40e_hw *hw = &pf->hw; |
| 4001 | int local_vf_id = vf_id - (s16)hw->func_caps.vf_base_id; |
| 4002 | struct i40e_vf *vf; |
| 4003 | int ret; |
| 4004 | |
| 4005 | pf->vf_aq_requests++; |
| 4006 | if (local_vf_id < 0 || local_vf_id >= pf->num_alloc_vfs) |
| 4007 | return -EINVAL; |
| 4008 | vf = &(pf->vf[local_vf_id]); |
| 4009 | |
| 4010 | /* Check if VF is disabled. */ |
| 4011 | if (test_bit(I40E_VF_STATE_DISABLED, &vf->vf_states)) |
| 4012 | return I40E_ERR_PARAM; |
| 4013 | |
| 4014 | /* perform basic checks on the msg */ |
| 4015 | ret = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen); |
| 4016 | |
| 4017 | if (ret) { |
| 4018 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); |
| 4019 | dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n", |
| 4020 | local_vf_id, v_opcode, msglen); |
| 4021 | switch (ret) { |
| 4022 | case VIRTCHNL_STATUS_ERR_PARAM: |
| 4023 | return -EPERM; |
| 4024 | default: |
| 4025 | return -EINVAL; |
| 4026 | } |
| 4027 | } |
| 4028 | |
| 4029 | switch (v_opcode) { |
| 4030 | case VIRTCHNL_OP_VERSION: |
| 4031 | ret = i40e_vc_get_version_msg(vf, msg); |
| 4032 | break; |
| 4033 | case VIRTCHNL_OP_GET_VF_RESOURCES: |
| 4034 | ret = i40e_vc_get_vf_resources_msg(vf, msg); |
| 4035 | i40e_vc_notify_vf_link_state(vf); |
| 4036 | break; |
| 4037 | case VIRTCHNL_OP_RESET_VF: |
| 4038 | i40e_vc_reset_vf(vf, false); |
| 4039 | ret = 0; |
| 4040 | break; |
| 4041 | case VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: |
| 4042 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg); |
| 4043 | break; |
| 4044 | case VIRTCHNL_OP_CONFIG_VSI_QUEUES: |
| 4045 | ret = i40e_vc_config_queues_msg(vf, msg); |
| 4046 | break; |
| 4047 | case VIRTCHNL_OP_CONFIG_IRQ_MAP: |
| 4048 | ret = i40e_vc_config_irq_map_msg(vf, msg); |
| 4049 | break; |
| 4050 | case VIRTCHNL_OP_ENABLE_QUEUES: |
| 4051 | ret = i40e_vc_enable_queues_msg(vf, msg); |
| 4052 | i40e_vc_notify_vf_link_state(vf); |
| 4053 | break; |
| 4054 | case VIRTCHNL_OP_DISABLE_QUEUES: |
| 4055 | ret = i40e_vc_disable_queues_msg(vf, msg); |
| 4056 | break; |
| 4057 | case VIRTCHNL_OP_ADD_ETH_ADDR: |
| 4058 | ret = i40e_vc_add_mac_addr_msg(vf, msg); |
| 4059 | break; |
| 4060 | case VIRTCHNL_OP_DEL_ETH_ADDR: |
| 4061 | ret = i40e_vc_del_mac_addr_msg(vf, msg); |
| 4062 | break; |
| 4063 | case VIRTCHNL_OP_ADD_VLAN: |
| 4064 | ret = i40e_vc_add_vlan_msg(vf, msg); |
| 4065 | break; |
| 4066 | case VIRTCHNL_OP_DEL_VLAN: |
| 4067 | ret = i40e_vc_remove_vlan_msg(vf, msg); |
| 4068 | break; |
| 4069 | case VIRTCHNL_OP_GET_STATS: |
| 4070 | ret = i40e_vc_get_stats_msg(vf, msg); |
| 4071 | break; |
| 4072 | case VIRTCHNL_OP_IWARP: |
| 4073 | ret = i40e_vc_iwarp_msg(vf, msg, msglen); |
| 4074 | break; |
| 4075 | case VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: |
| 4076 | ret = i40e_vc_iwarp_qvmap_msg(vf, msg, true); |
| 4077 | break; |
| 4078 | case VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP: |
| 4079 | ret = i40e_vc_iwarp_qvmap_msg(vf, msg, false); |
| 4080 | break; |
| 4081 | case VIRTCHNL_OP_CONFIG_RSS_KEY: |
| 4082 | ret = i40e_vc_config_rss_key(vf, msg); |
| 4083 | break; |
| 4084 | case VIRTCHNL_OP_CONFIG_RSS_LUT: |
| 4085 | ret = i40e_vc_config_rss_lut(vf, msg); |
| 4086 | break; |
| 4087 | case VIRTCHNL_OP_GET_RSS_HENA_CAPS: |
| 4088 | ret = i40e_vc_get_rss_hena(vf, msg); |
| 4089 | break; |
| 4090 | case VIRTCHNL_OP_SET_RSS_HENA: |
| 4091 | ret = i40e_vc_set_rss_hena(vf, msg); |
| 4092 | break; |
| 4093 | case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING: |
| 4094 | ret = i40e_vc_enable_vlan_stripping(vf, msg); |
| 4095 | break; |
| 4096 | case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING: |
| 4097 | ret = i40e_vc_disable_vlan_stripping(vf, msg); |
| 4098 | break; |
| 4099 | case VIRTCHNL_OP_REQUEST_QUEUES: |
| 4100 | ret = i40e_vc_request_queues_msg(vf, msg); |
| 4101 | break; |
| 4102 | case VIRTCHNL_OP_ENABLE_CHANNELS: |
| 4103 | ret = i40e_vc_add_qch_msg(vf, msg); |
| 4104 | break; |
| 4105 | case VIRTCHNL_OP_DISABLE_CHANNELS: |
| 4106 | ret = i40e_vc_del_qch_msg(vf, msg); |
| 4107 | break; |
| 4108 | case VIRTCHNL_OP_ADD_CLOUD_FILTER: |
| 4109 | ret = i40e_vc_add_cloud_filter(vf, msg); |
| 4110 | break; |
| 4111 | case VIRTCHNL_OP_DEL_CLOUD_FILTER: |
| 4112 | ret = i40e_vc_del_cloud_filter(vf, msg); |
| 4113 | break; |
| 4114 | case VIRTCHNL_OP_UNKNOWN: |
| 4115 | default: |
| 4116 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n", |
| 4117 | v_opcode, local_vf_id); |
| 4118 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
| 4119 | I40E_ERR_NOT_IMPLEMENTED); |
| 4120 | break; |
| 4121 | } |
| 4122 | |
| 4123 | return ret; |
| 4124 | } |
| 4125 | |
| 4126 | /** |
| 4127 | * i40e_vc_process_vflr_event |
| 4128 | * @pf: pointer to the PF structure |
| 4129 | * |
| 4130 | * called from the vlfr irq handler to |
| 4131 | * free up VF resources and state variables |
| 4132 | **/ |
| 4133 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) |
| 4134 | { |
| 4135 | struct i40e_hw *hw = &pf->hw; |
| 4136 | u32 reg, reg_idx, bit_idx; |
| 4137 | struct i40e_vf *vf; |
| 4138 | int vf_id; |
| 4139 | |
| 4140 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, pf->state)) |
| 4141 | return 0; |
| 4142 | |
| 4143 | /* Re-enable the VFLR interrupt cause here, before looking for which |
| 4144 | * VF got reset. Otherwise, if another VF gets a reset while the |
| 4145 | * first one is being processed, that interrupt will be lost, and |
| 4146 | * that VF will be stuck in reset forever. |
| 4147 | */ |
| 4148 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); |
| 4149 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; |
| 4150 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); |
| 4151 | i40e_flush(hw); |
| 4152 | |
| 4153 | clear_bit(__I40E_VFLR_EVENT_PENDING, pf->state); |
| 4154 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { |
| 4155 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; |
| 4156 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; |
| 4157 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ |
| 4158 | vf = &pf->vf[vf_id]; |
| 4159 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); |
| 4160 | if (reg & BIT(bit_idx)) |
| 4161 | /* i40e_reset_vf will clear the bit in GLGEN_VFLRSTAT */ |
| 4162 | i40e_reset_vf(vf, true); |
| 4163 | } |
| 4164 | |
| 4165 | return 0; |
| 4166 | } |
| 4167 | |
| 4168 | /** |
| 4169 | * i40e_validate_vf |
| 4170 | * @pf: the physical function |
| 4171 | * @vf_id: VF identifier |
| 4172 | * |
| 4173 | * Check that the VF is enabled and the VSI exists. |
| 4174 | * |
| 4175 | * Returns 0 on success, negative on failure |
| 4176 | **/ |
| 4177 | static int i40e_validate_vf(struct i40e_pf *pf, int vf_id) |
| 4178 | { |
| 4179 | struct i40e_vsi *vsi; |
| 4180 | struct i40e_vf *vf; |
| 4181 | int ret = 0; |
| 4182 | |
| 4183 | if (vf_id >= pf->num_alloc_vfs) { |
| 4184 | dev_err(&pf->pdev->dev, |
| 4185 | "Invalid VF Identifier %d\n", vf_id); |
| 4186 | ret = -EINVAL; |
| 4187 | goto err_out; |
| 4188 | } |
| 4189 | vf = &pf->vf[vf_id]; |
| 4190 | vsi = i40e_find_vsi_from_id(pf, vf->lan_vsi_id); |
| 4191 | if (!vsi) |
| 4192 | ret = -EINVAL; |
| 4193 | err_out: |
| 4194 | return ret; |
| 4195 | } |
| 4196 | |
| 4197 | /** |
| 4198 | * i40e_ndo_set_vf_mac |
| 4199 | * @netdev: network interface device structure |
| 4200 | * @vf_id: VF identifier |
| 4201 | * @mac: mac address |
| 4202 | * |
| 4203 | * program VF mac address |
| 4204 | **/ |
| 4205 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) |
| 4206 | { |
| 4207 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4208 | struct i40e_vsi *vsi = np->vsi; |
| 4209 | struct i40e_pf *pf = vsi->back; |
| 4210 | struct i40e_mac_filter *f; |
| 4211 | struct i40e_vf *vf; |
| 4212 | int ret = 0; |
| 4213 | struct hlist_node *h; |
| 4214 | int bkt; |
| 4215 | u8 i; |
| 4216 | |
| 4217 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4218 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4219 | return -EAGAIN; |
| 4220 | } |
| 4221 | |
| 4222 | /* validate the request */ |
| 4223 | ret = i40e_validate_vf(pf, vf_id); |
| 4224 | if (ret) |
| 4225 | goto error_param; |
| 4226 | |
| 4227 | vf = &pf->vf[vf_id]; |
| 4228 | |
| 4229 | /* When the VF is resetting wait until it is done. |
| 4230 | * It can take up to 200 milliseconds, |
| 4231 | * but wait for up to 300 milliseconds to be safe. |
| 4232 | * Acquire the VSI pointer only after the VF has been |
| 4233 | * properly initialized. |
| 4234 | */ |
| 4235 | for (i = 0; i < 15; i++) { |
| 4236 | if (test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) |
| 4237 | break; |
| 4238 | msleep(20); |
| 4239 | } |
| 4240 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { |
| 4241 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
| 4242 | vf_id); |
| 4243 | ret = -EAGAIN; |
| 4244 | goto error_param; |
| 4245 | } |
| 4246 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4247 | |
| 4248 | if (is_multicast_ether_addr(mac)) { |
| 4249 | dev_err(&pf->pdev->dev, |
| 4250 | "Invalid Ethernet address %pM for VF %d\n", mac, vf_id); |
| 4251 | ret = -EINVAL; |
| 4252 | goto error_param; |
| 4253 | } |
| 4254 | |
| 4255 | /* Lock once because below invoked function add/del_filter requires |
| 4256 | * mac_filter_hash_lock to be held |
| 4257 | */ |
| 4258 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 4259 | |
| 4260 | /* delete the temporary mac address */ |
| 4261 | if (!is_zero_ether_addr(vf->default_lan_addr.addr)) |
| 4262 | i40e_del_mac_filter(vsi, vf->default_lan_addr.addr); |
| 4263 | |
| 4264 | /* Delete all the filters for this VSI - we're going to kill it |
| 4265 | * anyway. |
| 4266 | */ |
| 4267 | hash_for_each_safe(vsi->mac_filter_hash, bkt, h, f, hlist) |
| 4268 | __i40e_del_filter(vsi, f); |
| 4269 | |
| 4270 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 4271 | |
| 4272 | /* program mac filter */ |
| 4273 | if (i40e_sync_vsi_filters(vsi)) { |
| 4274 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
| 4275 | ret = -EIO; |
| 4276 | goto error_param; |
| 4277 | } |
| 4278 | ether_addr_copy(vf->default_lan_addr.addr, mac); |
| 4279 | |
| 4280 | if (is_zero_ether_addr(mac)) { |
| 4281 | vf->pf_set_mac = false; |
| 4282 | dev_info(&pf->pdev->dev, "Removing MAC on VF %d\n", vf_id); |
| 4283 | } else { |
| 4284 | vf->pf_set_mac = true; |
| 4285 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", |
| 4286 | mac, vf_id); |
| 4287 | } |
| 4288 | |
| 4289 | /* Force the VF interface down so it has to bring up with new MAC |
| 4290 | * address |
| 4291 | */ |
| 4292 | i40e_vc_reset_vf(vf, true); |
| 4293 | dev_info(&pf->pdev->dev, "Bring down and up the VF interface to make this change effective.\n"); |
| 4294 | |
| 4295 | error_param: |
| 4296 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4297 | return ret; |
| 4298 | } |
| 4299 | |
| 4300 | /** |
| 4301 | * i40e_ndo_set_vf_port_vlan |
| 4302 | * @netdev: network interface device structure |
| 4303 | * @vf_id: VF identifier |
| 4304 | * @vlan_id: mac address |
| 4305 | * @qos: priority setting |
| 4306 | * @vlan_proto: vlan protocol |
| 4307 | * |
| 4308 | * program VF vlan id and/or qos |
| 4309 | **/ |
| 4310 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, |
| 4311 | u16 vlan_id, u8 qos, __be16 vlan_proto) |
| 4312 | { |
| 4313 | u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT); |
| 4314 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4315 | bool allmulti = false, alluni = false; |
| 4316 | struct i40e_pf *pf = np->vsi->back; |
| 4317 | struct i40e_vsi *vsi; |
| 4318 | struct i40e_vf *vf; |
| 4319 | int ret = 0; |
| 4320 | |
| 4321 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4322 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4323 | return -EAGAIN; |
| 4324 | } |
| 4325 | |
| 4326 | /* validate the request */ |
| 4327 | ret = i40e_validate_vf(pf, vf_id); |
| 4328 | if (ret) |
| 4329 | goto error_pvid; |
| 4330 | |
| 4331 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { |
| 4332 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); |
| 4333 | ret = -EINVAL; |
| 4334 | goto error_pvid; |
| 4335 | } |
| 4336 | |
| 4337 | if (vlan_proto != htons(ETH_P_8021Q)) { |
| 4338 | dev_err(&pf->pdev->dev, "VF VLAN protocol is not supported\n"); |
| 4339 | ret = -EPROTONOSUPPORT; |
| 4340 | goto error_pvid; |
| 4341 | } |
| 4342 | |
| 4343 | vf = &pf->vf[vf_id]; |
| 4344 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4345 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { |
| 4346 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
| 4347 | vf_id); |
| 4348 | ret = -EAGAIN; |
| 4349 | goto error_pvid; |
| 4350 | } |
| 4351 | |
| 4352 | if (le16_to_cpu(vsi->info.pvid) == vlanprio) |
| 4353 | /* duplicate request, so just return success */ |
| 4354 | goto error_pvid; |
| 4355 | |
| 4356 | i40e_vc_reset_vf(vf, true); |
| 4357 | /* During reset the VF got a new VSI, so refresh a pointer. */ |
| 4358 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4359 | /* Locked once because multiple functions below iterate list */ |
| 4360 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 4361 | |
| 4362 | /* Check for condition where there was already a port VLAN ID |
| 4363 | * filter set and now it is being deleted by setting it to zero. |
| 4364 | * Additionally check for the condition where there was a port |
| 4365 | * VLAN but now there is a new and different port VLAN being set. |
| 4366 | * Before deleting all the old VLAN filters we must add new ones |
| 4367 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our |
| 4368 | * MAC addresses deleted. |
| 4369 | */ |
| 4370 | if ((!(vlan_id || qos) || |
| 4371 | vlanprio != le16_to_cpu(vsi->info.pvid)) && |
| 4372 | vsi->info.pvid) { |
| 4373 | ret = i40e_add_vlan_all_mac(vsi, I40E_VLAN_ANY); |
| 4374 | if (ret) { |
| 4375 | dev_info(&vsi->back->pdev->dev, |
| 4376 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, |
| 4377 | vsi->back->hw.aq.asq_last_status); |
| 4378 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 4379 | goto error_pvid; |
| 4380 | } |
| 4381 | } |
| 4382 | |
| 4383 | if (vsi->info.pvid) { |
| 4384 | /* remove all filters on the old VLAN */ |
| 4385 | i40e_rm_vlan_all_mac(vsi, (le16_to_cpu(vsi->info.pvid) & |
| 4386 | VLAN_VID_MASK)); |
| 4387 | } |
| 4388 | |
| 4389 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 4390 | |
| 4391 | /* disable promisc modes in case they were enabled */ |
| 4392 | ret = i40e_config_vf_promiscuous_mode(vf, vf->lan_vsi_id, |
| 4393 | allmulti, alluni); |
| 4394 | if (ret) { |
| 4395 | dev_err(&pf->pdev->dev, "Unable to config VF promiscuous mode\n"); |
| 4396 | goto error_pvid; |
| 4397 | } |
| 4398 | |
| 4399 | if (vlan_id || qos) |
| 4400 | ret = i40e_vsi_add_pvid(vsi, vlanprio); |
| 4401 | else |
| 4402 | i40e_vsi_remove_pvid(vsi); |
| 4403 | spin_lock_bh(&vsi->mac_filter_hash_lock); |
| 4404 | |
| 4405 | if (vlan_id) { |
| 4406 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", |
| 4407 | vlan_id, qos, vf_id); |
| 4408 | |
| 4409 | /* add new VLAN filter for each MAC */ |
| 4410 | ret = i40e_add_vlan_all_mac(vsi, vlan_id); |
| 4411 | if (ret) { |
| 4412 | dev_info(&vsi->back->pdev->dev, |
| 4413 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, |
| 4414 | vsi->back->hw.aq.asq_last_status); |
| 4415 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 4416 | goto error_pvid; |
| 4417 | } |
| 4418 | |
| 4419 | /* remove the previously added non-VLAN MAC filters */ |
| 4420 | i40e_rm_vlan_all_mac(vsi, I40E_VLAN_ANY); |
| 4421 | } |
| 4422 | |
| 4423 | spin_unlock_bh(&vsi->mac_filter_hash_lock); |
| 4424 | |
| 4425 | if (test_bit(I40E_VF_STATE_UC_PROMISC, &vf->vf_states)) |
| 4426 | alluni = true; |
| 4427 | |
| 4428 | if (test_bit(I40E_VF_STATE_MC_PROMISC, &vf->vf_states)) |
| 4429 | allmulti = true; |
| 4430 | |
| 4431 | /* Schedule the worker thread to take care of applying changes */ |
| 4432 | i40e_service_event_schedule(vsi->back); |
| 4433 | |
| 4434 | if (ret) { |
| 4435 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); |
| 4436 | goto error_pvid; |
| 4437 | } |
| 4438 | |
| 4439 | /* The Port VLAN needs to be saved across resets the same as the |
| 4440 | * default LAN MAC address. |
| 4441 | */ |
| 4442 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); |
| 4443 | |
| 4444 | ret = i40e_config_vf_promiscuous_mode(vf, vsi->id, allmulti, alluni); |
| 4445 | if (ret) { |
| 4446 | dev_err(&pf->pdev->dev, "Unable to config vf promiscuous mode\n"); |
| 4447 | goto error_pvid; |
| 4448 | } |
| 4449 | |
| 4450 | ret = 0; |
| 4451 | |
| 4452 | error_pvid: |
| 4453 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4454 | return ret; |
| 4455 | } |
| 4456 | |
| 4457 | /** |
| 4458 | * i40e_ndo_set_vf_bw |
| 4459 | * @netdev: network interface device structure |
| 4460 | * @vf_id: VF identifier |
| 4461 | * @min_tx_rate: Minimum Tx rate |
| 4462 | * @max_tx_rate: Maximum Tx rate |
| 4463 | * |
| 4464 | * configure VF Tx rate |
| 4465 | **/ |
| 4466 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, |
| 4467 | int max_tx_rate) |
| 4468 | { |
| 4469 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4470 | struct i40e_pf *pf = np->vsi->back; |
| 4471 | struct i40e_vsi *vsi; |
| 4472 | struct i40e_vf *vf; |
| 4473 | int ret = 0; |
| 4474 | |
| 4475 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4476 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4477 | return -EAGAIN; |
| 4478 | } |
| 4479 | |
| 4480 | /* validate the request */ |
| 4481 | ret = i40e_validate_vf(pf, vf_id); |
| 4482 | if (ret) |
| 4483 | goto error; |
| 4484 | |
| 4485 | if (min_tx_rate) { |
| 4486 | dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n", |
| 4487 | min_tx_rate, vf_id); |
| 4488 | ret = -EINVAL; |
| 4489 | goto error; |
| 4490 | } |
| 4491 | |
| 4492 | vf = &pf->vf[vf_id]; |
| 4493 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4494 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { |
| 4495 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
| 4496 | vf_id); |
| 4497 | ret = -EAGAIN; |
| 4498 | goto error; |
| 4499 | } |
| 4500 | |
| 4501 | ret = i40e_set_bw_limit(vsi, vsi->seid, max_tx_rate); |
| 4502 | if (ret) |
| 4503 | goto error; |
| 4504 | |
| 4505 | vf->tx_rate = max_tx_rate; |
| 4506 | error: |
| 4507 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4508 | return ret; |
| 4509 | } |
| 4510 | |
| 4511 | /** |
| 4512 | * i40e_ndo_get_vf_config |
| 4513 | * @netdev: network interface device structure |
| 4514 | * @vf_id: VF identifier |
| 4515 | * @ivi: VF configuration structure |
| 4516 | * |
| 4517 | * return VF configuration |
| 4518 | **/ |
| 4519 | int i40e_ndo_get_vf_config(struct net_device *netdev, |
| 4520 | int vf_id, struct ifla_vf_info *ivi) |
| 4521 | { |
| 4522 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4523 | struct i40e_vsi *vsi = np->vsi; |
| 4524 | struct i40e_pf *pf = vsi->back; |
| 4525 | struct i40e_vf *vf; |
| 4526 | int ret = 0; |
| 4527 | |
| 4528 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4529 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4530 | return -EAGAIN; |
| 4531 | } |
| 4532 | |
| 4533 | /* validate the request */ |
| 4534 | ret = i40e_validate_vf(pf, vf_id); |
| 4535 | if (ret) |
| 4536 | goto error_param; |
| 4537 | |
| 4538 | vf = &pf->vf[vf_id]; |
| 4539 | /* first vsi is always the LAN vsi */ |
| 4540 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4541 | if (!vsi) { |
| 4542 | ret = -ENOENT; |
| 4543 | goto error_param; |
| 4544 | } |
| 4545 | |
| 4546 | ivi->vf = vf_id; |
| 4547 | |
| 4548 | ether_addr_copy(ivi->mac, vf->default_lan_addr.addr); |
| 4549 | |
| 4550 | ivi->max_tx_rate = vf->tx_rate; |
| 4551 | ivi->min_tx_rate = 0; |
| 4552 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; |
| 4553 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> |
| 4554 | I40E_VLAN_PRIORITY_SHIFT; |
| 4555 | if (vf->link_forced == false) |
| 4556 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; |
| 4557 | else if (vf->link_up == true) |
| 4558 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; |
| 4559 | else |
| 4560 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; |
| 4561 | ivi->spoofchk = vf->spoofchk; |
| 4562 | ivi->trusted = vf->trusted; |
| 4563 | ret = 0; |
| 4564 | |
| 4565 | error_param: |
| 4566 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4567 | return ret; |
| 4568 | } |
| 4569 | |
| 4570 | /** |
| 4571 | * i40e_ndo_set_vf_link_state |
| 4572 | * @netdev: network interface device structure |
| 4573 | * @vf_id: VF identifier |
| 4574 | * @link: required link state |
| 4575 | * |
| 4576 | * Set the link state of a specified VF, regardless of physical link state |
| 4577 | **/ |
| 4578 | int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) |
| 4579 | { |
| 4580 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4581 | struct i40e_pf *pf = np->vsi->back; |
| 4582 | struct i40e_link_status *ls = &pf->hw.phy.link_info; |
| 4583 | struct virtchnl_pf_event pfe; |
| 4584 | struct i40e_hw *hw = &pf->hw; |
| 4585 | struct i40e_vf *vf; |
| 4586 | int abs_vf_id; |
| 4587 | int ret = 0; |
| 4588 | |
| 4589 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4590 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4591 | return -EAGAIN; |
| 4592 | } |
| 4593 | |
| 4594 | /* validate the request */ |
| 4595 | if (vf_id >= pf->num_alloc_vfs) { |
| 4596 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 4597 | ret = -EINVAL; |
| 4598 | goto error_out; |
| 4599 | } |
| 4600 | |
| 4601 | vf = &pf->vf[vf_id]; |
| 4602 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
| 4603 | |
| 4604 | pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; |
| 4605 | pfe.severity = PF_EVENT_SEVERITY_INFO; |
| 4606 | |
| 4607 | switch (link) { |
| 4608 | case IFLA_VF_LINK_STATE_AUTO: |
| 4609 | vf->link_forced = false; |
| 4610 | i40e_set_vf_link_state(vf, &pfe, ls); |
| 4611 | break; |
| 4612 | case IFLA_VF_LINK_STATE_ENABLE: |
| 4613 | vf->link_forced = true; |
| 4614 | vf->link_up = true; |
| 4615 | i40e_set_vf_link_state(vf, &pfe, ls); |
| 4616 | break; |
| 4617 | case IFLA_VF_LINK_STATE_DISABLE: |
| 4618 | vf->link_forced = true; |
| 4619 | vf->link_up = false; |
| 4620 | i40e_set_vf_link_state(vf, &pfe, ls); |
| 4621 | break; |
| 4622 | default: |
| 4623 | ret = -EINVAL; |
| 4624 | goto error_out; |
| 4625 | } |
| 4626 | /* Notify the VF of its new link state */ |
| 4627 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, VIRTCHNL_OP_EVENT, |
| 4628 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
| 4629 | |
| 4630 | error_out: |
| 4631 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4632 | return ret; |
| 4633 | } |
| 4634 | |
| 4635 | /** |
| 4636 | * i40e_ndo_set_vf_spoofchk |
| 4637 | * @netdev: network interface device structure |
| 4638 | * @vf_id: VF identifier |
| 4639 | * @enable: flag to enable or disable feature |
| 4640 | * |
| 4641 | * Enable or disable VF spoof checking |
| 4642 | **/ |
| 4643 | int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable) |
| 4644 | { |
| 4645 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4646 | struct i40e_vsi *vsi = np->vsi; |
| 4647 | struct i40e_pf *pf = vsi->back; |
| 4648 | struct i40e_vsi_context ctxt; |
| 4649 | struct i40e_hw *hw = &pf->hw; |
| 4650 | struct i40e_vf *vf; |
| 4651 | int ret = 0; |
| 4652 | |
| 4653 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4654 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4655 | return -EAGAIN; |
| 4656 | } |
| 4657 | |
| 4658 | /* validate the request */ |
| 4659 | if (vf_id >= pf->num_alloc_vfs) { |
| 4660 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 4661 | ret = -EINVAL; |
| 4662 | goto out; |
| 4663 | } |
| 4664 | |
| 4665 | vf = &(pf->vf[vf_id]); |
| 4666 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { |
| 4667 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
| 4668 | vf_id); |
| 4669 | ret = -EAGAIN; |
| 4670 | goto out; |
| 4671 | } |
| 4672 | |
| 4673 | if (enable == vf->spoofchk) |
| 4674 | goto out; |
| 4675 | |
| 4676 | vf->spoofchk = enable; |
| 4677 | memset(&ctxt, 0, sizeof(ctxt)); |
| 4678 | ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid; |
| 4679 | ctxt.pf_num = pf->hw.pf_id; |
| 4680 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); |
| 4681 | if (enable) |
| 4682 | ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | |
| 4683 | I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); |
| 4684 | ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); |
| 4685 | if (ret) { |
| 4686 | dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", |
| 4687 | ret); |
| 4688 | ret = -EIO; |
| 4689 | } |
| 4690 | out: |
| 4691 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4692 | return ret; |
| 4693 | } |
| 4694 | |
| 4695 | /** |
| 4696 | * i40e_ndo_set_vf_trust |
| 4697 | * @netdev: network interface device structure of the pf |
| 4698 | * @vf_id: VF identifier |
| 4699 | * @setting: trust setting |
| 4700 | * |
| 4701 | * Enable or disable VF trust setting |
| 4702 | **/ |
| 4703 | int i40e_ndo_set_vf_trust(struct net_device *netdev, int vf_id, bool setting) |
| 4704 | { |
| 4705 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4706 | struct i40e_pf *pf = np->vsi->back; |
| 4707 | struct i40e_vf *vf; |
| 4708 | int ret = 0; |
| 4709 | |
| 4710 | if (test_and_set_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state)) { |
| 4711 | dev_warn(&pf->pdev->dev, "Unable to configure VFs, other operation is pending.\n"); |
| 4712 | return -EAGAIN; |
| 4713 | } |
| 4714 | |
| 4715 | /* validate the request */ |
| 4716 | if (vf_id >= pf->num_alloc_vfs) { |
| 4717 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); |
| 4718 | ret = -EINVAL; |
| 4719 | goto out; |
| 4720 | } |
| 4721 | |
| 4722 | if (pf->flags & I40E_FLAG_MFP_ENABLED) { |
| 4723 | dev_err(&pf->pdev->dev, "Trusted VF not supported in MFP mode.\n"); |
| 4724 | ret = -EINVAL; |
| 4725 | goto out; |
| 4726 | } |
| 4727 | |
| 4728 | vf = &pf->vf[vf_id]; |
| 4729 | |
| 4730 | if (setting == vf->trusted) |
| 4731 | goto out; |
| 4732 | |
| 4733 | vf->trusted = setting; |
| 4734 | i40e_vc_reset_vf(vf, true); |
| 4735 | dev_info(&pf->pdev->dev, "VF %u is now %strusted\n", |
| 4736 | vf_id, setting ? "" : "un"); |
| 4737 | |
| 4738 | if (vf->adq_enabled) { |
| 4739 | if (!vf->trusted) { |
| 4740 | dev_info(&pf->pdev->dev, |
| 4741 | "VF %u no longer Trusted, deleting all cloud filters\n", |
| 4742 | vf_id); |
| 4743 | i40e_del_all_cloud_filters(vf); |
| 4744 | } |
| 4745 | } |
| 4746 | |
| 4747 | out: |
| 4748 | clear_bit(__I40E_VIRTCHNL_OP_PENDING, pf->state); |
| 4749 | return ret; |
| 4750 | } |
| 4751 | |
| 4752 | /** |
| 4753 | * i40e_get_vf_stats - populate some stats for the VF |
| 4754 | * @netdev: the netdev of the PF |
| 4755 | * @vf_id: the host OS identifier (0-127) |
| 4756 | * @vf_stats: pointer to the OS memory to be initialized |
| 4757 | */ |
| 4758 | int i40e_get_vf_stats(struct net_device *netdev, int vf_id, |
| 4759 | struct ifla_vf_stats *vf_stats) |
| 4760 | { |
| 4761 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
| 4762 | struct i40e_pf *pf = np->vsi->back; |
| 4763 | struct i40e_eth_stats *stats; |
| 4764 | struct i40e_vsi *vsi; |
| 4765 | struct i40e_vf *vf; |
| 4766 | |
| 4767 | /* validate the request */ |
| 4768 | if (i40e_validate_vf(pf, vf_id)) |
| 4769 | return -EINVAL; |
| 4770 | |
| 4771 | vf = &pf->vf[vf_id]; |
| 4772 | if (!test_bit(I40E_VF_STATE_INIT, &vf->vf_states)) { |
| 4773 | dev_err(&pf->pdev->dev, "VF %d in reset. Try again.\n", vf_id); |
| 4774 | return -EBUSY; |
| 4775 | } |
| 4776 | |
| 4777 | vsi = pf->vsi[vf->lan_vsi_idx]; |
| 4778 | if (!vsi) |
| 4779 | return -EINVAL; |
| 4780 | |
| 4781 | i40e_update_eth_stats(vsi); |
| 4782 | stats = &vsi->eth_stats; |
| 4783 | |
| 4784 | memset(vf_stats, 0, sizeof(*vf_stats)); |
| 4785 | |
| 4786 | vf_stats->rx_packets = stats->rx_unicast + stats->rx_broadcast + |
| 4787 | stats->rx_multicast; |
| 4788 | vf_stats->tx_packets = stats->tx_unicast + stats->tx_broadcast + |
| 4789 | stats->tx_multicast; |
| 4790 | vf_stats->rx_bytes = stats->rx_bytes; |
| 4791 | vf_stats->tx_bytes = stats->tx_bytes; |
| 4792 | vf_stats->broadcast = stats->rx_broadcast; |
| 4793 | vf_stats->multicast = stats->rx_multicast; |
| 4794 | vf_stats->rx_dropped = stats->rx_discards; |
| 4795 | vf_stats->tx_dropped = stats->tx_discards; |
| 4796 | |
| 4797 | return 0; |
| 4798 | } |