1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright(c) 1999 - 2018 Intel Corporation. */ 3 4 #include <linux/types.h> 5 #include <linux/module.h> 6 #include <linux/pci.h> 7 #include <linux/netdevice.h> 8 #include <linux/vmalloc.h> 9 #include <linux/string.h> 10 #include <linux/in.h> 11 #include <linux/ip.h> 12 #include <linux/tcp.h> 13 #include <linux/ipv6.h> 14 #include <linux/if_bridge.h> 15 #ifdef NETIF_F_HW_VLAN_CTAG_TX 16 #include <linux/if_vlan.h> 17 #endif 18 19 #include "ixgbe.h" 20 #include "ixgbe_type.h" 21 #include "ixgbe_sriov.h" 22 23 #ifdef CONFIG_PCI_IOV 24 static inline void ixgbe_alloc_vf_macvlans(struct ixgbe_adapter *adapter, 25 unsigned int num_vfs) 26 { 27 struct ixgbe_hw *hw = &adapter->hw; 28 struct vf_macvlans *mv_list; 29 int num_vf_macvlans, i; 30 31 /* Initialize list of VF macvlans */ 32 INIT_LIST_HEAD(&adapter->vf_mvs.l); 33 34 num_vf_macvlans = hw->mac.num_rar_entries - 35 (IXGBE_MAX_PF_MACVLANS + 1 + num_vfs); 36 if (!num_vf_macvlans) 37 return; 38 39 mv_list = kcalloc(num_vf_macvlans, sizeof(struct vf_macvlans), 40 GFP_KERNEL); 41 if (mv_list) { 42 for (i = 0; i < num_vf_macvlans; i++) { 43 mv_list[i].vf = -1; 44 mv_list[i].free = true; 45 list_add(&mv_list[i].l, &adapter->vf_mvs.l); 46 } 47 adapter->mv_list = mv_list; 48 } 49 } 50 51 static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter, 52 unsigned int num_vfs) 53 { 54 struct ixgbe_hw *hw = &adapter->hw; 55 int i; 56 57 if (adapter->xdp_prog) { 58 e_warn(probe, "SRIOV is not supported with XDP\n"); 59 return -EINVAL; 60 } 61 62 /* Enable VMDq flag so device will be set in VM mode */ 63 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED | 64 IXGBE_FLAG_VMDQ_ENABLED; 65 66 /* Allocate memory for per VF control structures */ 67 adapter->vfinfo = kcalloc(num_vfs, sizeof(struct vf_data_storage), 68 GFP_KERNEL); 69 if (!adapter->vfinfo) 70 return -ENOMEM; 71 72 adapter->num_vfs = num_vfs; 73 74 ixgbe_alloc_vf_macvlans(adapter, num_vfs); 75 adapter->ring_feature[RING_F_VMDQ].offset = num_vfs; 76 77 /* Initialize default switching mode VEB */ 78 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); 79 adapter->bridge_mode = BRIDGE_MODE_VEB; 80 81 /* limit traffic classes based on VFs enabled */ 82 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && (num_vfs < 16)) { 83 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS; 84 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS; 85 } else if (num_vfs < 32) { 86 adapter->dcb_cfg.num_tcs.pg_tcs = 4; 87 adapter->dcb_cfg.num_tcs.pfc_tcs = 4; 88 } else { 89 adapter->dcb_cfg.num_tcs.pg_tcs = 1; 90 adapter->dcb_cfg.num_tcs.pfc_tcs = 1; 91 } 92 93 /* Disable RSC when in SR-IOV mode */ 94 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | 95 IXGBE_FLAG2_RSC_ENABLED); 96 97 for (i = 0; i < num_vfs; i++) { 98 /* enable spoof checking for all VFs */ 99 adapter->vfinfo[i].spoofchk_enabled = true; 100 adapter->vfinfo[i].link_enable = true; 101 102 /* We support VF RSS querying only for 82599 and x540 103 * devices at the moment. These devices share RSS 104 * indirection table and RSS hash key with PF therefore 105 * we want to disable the querying by default. 106 */ 107 adapter->vfinfo[i].rss_query_enabled = false; 108 109 /* Untrust all VFs */ 110 adapter->vfinfo[i].trusted = false; 111 112 /* set the default xcast mode */ 113 adapter->vfinfo[i].xcast_mode = IXGBEVF_XCAST_MODE_NONE; 114 } 115 116 e_info(probe, "SR-IOV enabled with %d VFs\n", num_vfs); 117 return 0; 118 } 119 120 /** 121 * ixgbe_get_vfs - Find and take references to all vf devices 122 * @adapter: Pointer to adapter struct 123 */ 124 static void ixgbe_get_vfs(struct ixgbe_adapter *adapter) 125 { 126 struct pci_dev *pdev = adapter->pdev; 127 u16 vendor = pdev->vendor; 128 struct pci_dev *vfdev; 129 int vf = 0; 130 u16 vf_id; 131 int pos; 132 133 pos = pci_find_ext_capability(pdev, PCI_EXT_CAP_ID_SRIOV); 134 if (!pos) 135 return; 136 pci_read_config_word(pdev, pos + PCI_SRIOV_VF_DID, &vf_id); 137 138 vfdev = pci_get_device(vendor, vf_id, NULL); 139 for (; vfdev; vfdev = pci_get_device(vendor, vf_id, vfdev)) { 140 if (!vfdev->is_virtfn) 141 continue; 142 if (vfdev->physfn != pdev) 143 continue; 144 if (vf >= adapter->num_vfs) 145 continue; 146 pci_dev_get(vfdev); 147 adapter->vfinfo[vf].vfdev = vfdev; 148 ++vf; 149 } 150 } 151 152 /* Note this function is called when the user wants to enable SR-IOV 153 * VFs using the now deprecated module parameter 154 */ 155 void ixgbe_enable_sriov(struct ixgbe_adapter *adapter, unsigned int max_vfs) 156 { 157 int pre_existing_vfs = 0; 158 unsigned int num_vfs; 159 160 pre_existing_vfs = pci_num_vf(adapter->pdev); 161 if (!pre_existing_vfs && !max_vfs) 162 return; 163 164 /* If there are pre-existing VFs then we have to force 165 * use of that many - over ride any module parameter value. 166 * This may result from the user unloading the PF driver 167 * while VFs were assigned to guest VMs or because the VFs 168 * have been created via the new PCI SR-IOV sysfs interface. 169 */ 170 if (pre_existing_vfs) { 171 num_vfs = pre_existing_vfs; 172 dev_warn(&adapter->pdev->dev, 173 "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n"); 174 } else { 175 int err; 176 /* 177 * The 82599 supports up to 64 VFs per physical function 178 * but this implementation limits allocation to 63 so that 179 * basic networking resources are still available to the 180 * physical function. If the user requests greater than 181 * 63 VFs then it is an error - reset to default of zero. 182 */ 183 num_vfs = min_t(unsigned int, max_vfs, IXGBE_MAX_VFS_DRV_LIMIT); 184 185 err = pci_enable_sriov(adapter->pdev, num_vfs); 186 if (err) { 187 e_err(probe, "Failed to enable PCI sriov: %d\n", err); 188 return; 189 } 190 } 191 192 if (!__ixgbe_enable_sriov(adapter, num_vfs)) { 193 ixgbe_get_vfs(adapter); 194 return; 195 } 196 197 /* If we have gotten to this point then there is no memory available 198 * to manage the VF devices - print message and bail. 199 */ 200 e_err(probe, "Unable to allocate memory for VF Data Storage - " 201 "SRIOV disabled\n"); 202 ixgbe_disable_sriov(adapter); 203 } 204 205 #endif /* #ifdef CONFIG_PCI_IOV */ 206 int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) 207 { 208 unsigned int num_vfs = adapter->num_vfs, vf; 209 unsigned long flags; 210 int rss; 211 212 spin_lock_irqsave(&adapter->vfs_lock, flags); 213 /* set num VFs to 0 to prevent access to vfinfo */ 214 adapter->num_vfs = 0; 215 spin_unlock_irqrestore(&adapter->vfs_lock, flags); 216 217 /* put the reference to all of the vf devices */ 218 for (vf = 0; vf < num_vfs; ++vf) { 219 struct pci_dev *vfdev = adapter->vfinfo[vf].vfdev; 220 221 if (!vfdev) 222 continue; 223 adapter->vfinfo[vf].vfdev = NULL; 224 pci_dev_put(vfdev); 225 } 226 227 /* free VF control structures */ 228 kfree(adapter->vfinfo); 229 adapter->vfinfo = NULL; 230 231 /* free macvlan list */ 232 kfree(adapter->mv_list); 233 adapter->mv_list = NULL; 234 235 /* if SR-IOV is already disabled then there is nothing to do */ 236 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) 237 return 0; 238 239 #ifdef CONFIG_PCI_IOV 240 /* 241 * If our VFs are assigned we cannot shut down SR-IOV 242 * without causing issues, so just leave the hardware 243 * available but disabled 244 */ 245 if (pci_vfs_assigned(adapter->pdev)) { 246 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n"); 247 return -EPERM; 248 } 249 /* disable iov and allow time for transactions to clear */ 250 pci_disable_sriov(adapter->pdev); 251 #endif 252 253 /* Disable VMDq flag so device will be set in VM mode */ 254 if (bitmap_weight(adapter->fwd_bitmask, adapter->num_rx_pools) == 1) { 255 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED; 256 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; 257 rss = min_t(int, ixgbe_max_rss_indices(adapter), 258 num_online_cpus()); 259 } else { 260 rss = min_t(int, IXGBE_MAX_L2A_QUEUES, num_online_cpus()); 261 } 262 263 adapter->ring_feature[RING_F_VMDQ].offset = 0; 264 adapter->ring_feature[RING_F_RSS].limit = rss; 265 266 /* take a breather then clean up driver data */ 267 msleep(100); 268 return 0; 269 } 270 271 static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs) 272 { 273 #ifdef CONFIG_PCI_IOV 274 struct ixgbe_adapter *adapter = pci_get_drvdata(dev); 275 int pre_existing_vfs = pci_num_vf(dev); 276 int err = 0, num_rx_pools, i, limit; 277 u8 num_tc; 278 279 if (pre_existing_vfs && pre_existing_vfs != num_vfs) 280 err = ixgbe_disable_sriov(adapter); 281 else if (pre_existing_vfs && pre_existing_vfs == num_vfs) 282 return num_vfs; 283 284 if (err) 285 return err; 286 287 /* While the SR-IOV capability structure reports total VFs to be 64, 288 * we limit the actual number allocated as below based on two factors. 289 * Num_TCs MAX_VFs 290 * 1 63 291 * <=4 31 292 * >4 15 293 * First, we reserve some transmit/receive resources for the PF. 294 * Second, VMDQ also uses the same pools that SR-IOV does. We need to 295 * account for this, so that we don't accidentally allocate more VFs 296 * than we have available pools. The PCI bus driver already checks for 297 * other values out of range. 298 */ 299 num_tc = adapter->hw_tcs; 300 num_rx_pools = bitmap_weight(adapter->fwd_bitmask, 301 adapter->num_rx_pools); 302 limit = (num_tc > 4) ? IXGBE_MAX_VFS_8TC : 303 (num_tc > 1) ? IXGBE_MAX_VFS_4TC : IXGBE_MAX_VFS_1TC; 304 305 if (num_vfs > (limit - num_rx_pools)) { 306 e_dev_err("Currently configured with %d TCs, and %d offloaded macvlans. Creating more than %d VFs is not allowed\n", 307 num_tc, num_rx_pools - 1, limit - num_rx_pools); 308 return -EPERM; 309 } 310 311 err = __ixgbe_enable_sriov(adapter, num_vfs); 312 if (err) 313 return err; 314 315 for (i = 0; i < num_vfs; i++) 316 ixgbe_vf_configuration(dev, (i | 0x10000000)); 317 318 /* reset before enabling SRIOV to avoid mailbox issues */ 319 ixgbe_sriov_reinit(adapter); 320 321 err = pci_enable_sriov(dev, num_vfs); 322 if (err) { 323 e_dev_warn("Failed to enable PCI sriov: %d\n", err); 324 return err; 325 } 326 ixgbe_get_vfs(adapter); 327 328 return num_vfs; 329 #else 330 return 0; 331 #endif 332 } 333 334 static int ixgbe_pci_sriov_disable(struct pci_dev *dev) 335 { 336 struct ixgbe_adapter *adapter = pci_get_drvdata(dev); 337 int err; 338 #ifdef CONFIG_PCI_IOV 339 u32 current_flags = adapter->flags; 340 int prev_num_vf = pci_num_vf(dev); 341 #endif 342 343 err = ixgbe_disable_sriov(adapter); 344 345 /* Only reinit if no error and state changed */ 346 #ifdef CONFIG_PCI_IOV 347 if (!err && (current_flags != adapter->flags || 348 prev_num_vf != pci_num_vf(dev))) 349 ixgbe_sriov_reinit(adapter); 350 #endif 351 352 return err; 353 } 354 355 int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs) 356 { 357 if (num_vfs == 0) 358 return ixgbe_pci_sriov_disable(dev); 359 else 360 return ixgbe_pci_sriov_enable(dev, num_vfs); 361 } 362 363 static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, 364 u32 *msgbuf, u32 vf) 365 { 366 int entries = FIELD_GET(IXGBE_VT_MSGINFO_MASK, msgbuf[0]); 367 u16 *hash_list = (u16 *)&msgbuf[1]; 368 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; 369 struct ixgbe_hw *hw = &adapter->hw; 370 int i; 371 u32 vector_bit; 372 u32 vector_reg; 373 u32 mta_reg; 374 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); 375 376 /* only so many hash values supported */ 377 entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES); 378 379 /* 380 * salt away the number of multi cast addresses assigned 381 * to this VF for later use to restore when the PF multi cast 382 * list changes 383 */ 384 vfinfo->num_vf_mc_hashes = entries; 385 386 /* 387 * VFs are limited to using the MTA hash table for their multicast 388 * addresses 389 */ 390 for (i = 0; i < entries; i++) { 391 vfinfo->vf_mc_hashes[i] = hash_list[i]; 392 } 393 394 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { 395 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; 396 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; 397 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); 398 mta_reg |= BIT(vector_bit); 399 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); 400 } 401 vmolr |= IXGBE_VMOLR_ROMPE; 402 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); 403 404 return 0; 405 } 406 407 #ifdef CONFIG_PCI_IOV 408 void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) 409 { 410 struct ixgbe_hw *hw = &adapter->hw; 411 struct vf_data_storage *vfinfo; 412 int i, j; 413 u32 vector_bit; 414 u32 vector_reg; 415 u32 mta_reg; 416 417 for (i = 0; i < adapter->num_vfs; i++) { 418 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(i)); 419 vfinfo = &adapter->vfinfo[i]; 420 for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) { 421 hw->addr_ctrl.mta_in_use++; 422 vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; 423 vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; 424 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); 425 mta_reg |= BIT(vector_bit); 426 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); 427 } 428 429 if (vfinfo->num_vf_mc_hashes) 430 vmolr |= IXGBE_VMOLR_ROMPE; 431 else 432 vmolr &= ~IXGBE_VMOLR_ROMPE; 433 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(i), vmolr); 434 } 435 436 /* Restore any VF macvlans */ 437 ixgbe_full_sync_mac_table(adapter); 438 } 439 #endif 440 441 static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, 442 u32 vf) 443 { 444 struct ixgbe_hw *hw = &adapter->hw; 445 int err; 446 447 /* If VLAN overlaps with one the PF is currently monitoring make 448 * sure that we are able to allocate a VLVF entry. This may be 449 * redundant but it guarantees PF will maintain visibility to 450 * the VLAN. 451 */ 452 if (add && test_bit(vid, adapter->active_vlans)) { 453 err = hw->mac.ops.set_vfta(hw, vid, VMDQ_P(0), true, false); 454 if (err) 455 return err; 456 } 457 458 err = hw->mac.ops.set_vfta(hw, vid, vf, !!add, false); 459 460 if (add && !err) 461 return err; 462 463 /* If we failed to add the VF VLAN or we are removing the VF VLAN 464 * we may need to drop the PF pool bit in order to allow us to free 465 * up the VLVF resources. 466 */ 467 if (test_bit(vid, adapter->active_vlans) || 468 (adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) 469 ixgbe_update_pf_promisc_vlvf(adapter, vid); 470 471 return err; 472 } 473 474 static int ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 max_frame, u32 vf) 475 { 476 struct ixgbe_hw *hw = &adapter->hw; 477 u32 max_frs; 478 479 if (max_frame < ETH_MIN_MTU || max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) { 480 e_err(drv, "VF max_frame %d out of range\n", max_frame); 481 return -EINVAL; 482 } 483 484 /* 485 * For 82599EB we have to keep all PFs and VFs operating with 486 * the same max_frame value in order to avoid sending an oversize 487 * frame to a VF. In order to guarantee this is handled correctly 488 * for all cases we have several special exceptions to take into 489 * account before we can enable the VF for receive 490 */ 491 if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 492 struct net_device *dev = adapter->netdev; 493 int pf_max_frame = dev->mtu + ETH_HLEN; 494 u32 reg_offset, vf_shift, vfre; 495 s32 err = 0; 496 497 #ifdef CONFIG_FCOE 498 if (dev->features & NETIF_F_FCOE_MTU) 499 pf_max_frame = max_t(int, pf_max_frame, 500 IXGBE_FCOE_JUMBO_FRAME_SIZE); 501 502 #endif /* CONFIG_FCOE */ 503 switch (adapter->vfinfo[vf].vf_api) { 504 case ixgbe_mbox_api_11: 505 case ixgbe_mbox_api_12: 506 case ixgbe_mbox_api_13: 507 case ixgbe_mbox_api_14: 508 /* Version 1.1 supports jumbo frames on VFs if PF has 509 * jumbo frames enabled which means legacy VFs are 510 * disabled 511 */ 512 if (pf_max_frame > ETH_FRAME_LEN) 513 break; 514 fallthrough; 515 default: 516 /* If the PF or VF are running w/ jumbo frames enabled 517 * we need to shut down the VF Rx path as we cannot 518 * support jumbo frames on legacy VFs 519 */ 520 if ((pf_max_frame > ETH_FRAME_LEN) || 521 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN))) 522 err = -EINVAL; 523 break; 524 } 525 526 /* determine VF receive enable location */ 527 vf_shift = vf % 32; 528 reg_offset = vf / 32; 529 530 /* enable or disable receive depending on error */ 531 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); 532 if (err) 533 vfre &= ~BIT(vf_shift); 534 else 535 vfre |= BIT(vf_shift); 536 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre); 537 538 if (err) { 539 e_err(drv, "VF max_frame %d out of range\n", max_frame); 540 return err; 541 } 542 } 543 544 /* pull current max frame size from hardware */ 545 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS); 546 max_frs &= IXGBE_MHADD_MFS_MASK; 547 max_frs >>= IXGBE_MHADD_MFS_SHIFT; 548 549 if (max_frs < max_frame) { 550 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT; 551 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); 552 } 553 554 e_info(hw, "VF requests change max MTU to %d\n", max_frame); 555 556 return 0; 557 } 558 559 static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) 560 { 561 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); 562 vmolr |= IXGBE_VMOLR_BAM; 563 if (aupe) 564 vmolr |= IXGBE_VMOLR_AUPE; 565 else 566 vmolr &= ~IXGBE_VMOLR_AUPE; 567 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); 568 } 569 570 static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) 571 { 572 struct ixgbe_hw *hw = &adapter->hw; 573 574 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); 575 } 576 577 static void ixgbe_clear_vf_vlans(struct ixgbe_adapter *adapter, u32 vf) 578 { 579 struct ixgbe_hw *hw = &adapter->hw; 580 u32 vlvfb_mask, pool_mask, i; 581 582 /* create mask for VF and other pools */ 583 pool_mask = ~BIT(VMDQ_P(0) % 32); 584 vlvfb_mask = BIT(vf % 32); 585 586 /* post increment loop, covers VLVF_ENTRIES - 1 to 0 */ 587 for (i = IXGBE_VLVF_ENTRIES; i--;) { 588 u32 bits[2], vlvfb, vid, vfta, vlvf; 589 u32 word = i * 2 + vf / 32; 590 u32 mask; 591 592 vlvfb = IXGBE_READ_REG(hw, IXGBE_VLVFB(word)); 593 594 /* if our bit isn't set we can skip it */ 595 if (!(vlvfb & vlvfb_mask)) 596 continue; 597 598 /* clear our bit from vlvfb */ 599 vlvfb ^= vlvfb_mask; 600 601 /* create 64b mask to chedk to see if we should clear VLVF */ 602 bits[word % 2] = vlvfb; 603 bits[~word % 2] = IXGBE_READ_REG(hw, IXGBE_VLVFB(word ^ 1)); 604 605 /* if other pools are present, just remove ourselves */ 606 if (bits[(VMDQ_P(0) / 32) ^ 1] || 607 (bits[VMDQ_P(0) / 32] & pool_mask)) 608 goto update_vlvfb; 609 610 /* if PF is present, leave VFTA */ 611 if (bits[0] || bits[1]) 612 goto update_vlvf; 613 614 /* if we cannot determine VLAN just remove ourselves */ 615 vlvf = IXGBE_READ_REG(hw, IXGBE_VLVF(i)); 616 if (!vlvf) 617 goto update_vlvfb; 618 619 vid = vlvf & VLAN_VID_MASK; 620 mask = BIT(vid % 32); 621 622 /* clear bit from VFTA */ 623 vfta = IXGBE_READ_REG(hw, IXGBE_VFTA(vid / 32)); 624 if (vfta & mask) 625 IXGBE_WRITE_REG(hw, IXGBE_VFTA(vid / 32), vfta ^ mask); 626 update_vlvf: 627 /* clear POOL selection enable */ 628 IXGBE_WRITE_REG(hw, IXGBE_VLVF(i), 0); 629 630 if (!(adapter->flags2 & IXGBE_FLAG2_VLAN_PROMISC)) 631 vlvfb = 0; 632 update_vlvfb: 633 /* clear pool bits */ 634 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(word), vlvfb); 635 } 636 } 637 638 static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, 639 int vf, int index, unsigned char *mac_addr) 640 { 641 struct vf_macvlans *entry; 642 struct list_head *pos; 643 int retval = 0; 644 645 if (index <= 1) { 646 list_for_each(pos, &adapter->vf_mvs.l) { 647 entry = list_entry(pos, struct vf_macvlans, l); 648 if (entry->vf == vf) { 649 entry->vf = -1; 650 entry->free = true; 651 entry->is_macvlan = false; 652 ixgbe_del_mac_filter(adapter, 653 entry->vf_macvlan, vf); 654 } 655 } 656 } 657 658 /* 659 * If index was zero then we were asked to clear the uc list 660 * for the VF. We're done. 661 */ 662 if (!index) 663 return 0; 664 665 entry = NULL; 666 667 list_for_each(pos, &adapter->vf_mvs.l) { 668 entry = list_entry(pos, struct vf_macvlans, l); 669 if (entry->free) 670 break; 671 } 672 673 /* 674 * If we traversed the entire list and didn't find a free entry 675 * then we're out of space on the RAR table. Also entry may 676 * be NULL because the original memory allocation for the list 677 * failed, which is not fatal but does mean we can't support 678 * VF requests for MACVLAN because we couldn't allocate 679 * memory for the list management required. 680 */ 681 if (!entry || !entry->free) 682 return -ENOSPC; 683 684 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf); 685 if (retval < 0) 686 return retval; 687 688 entry->free = false; 689 entry->is_macvlan = true; 690 entry->vf = vf; 691 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); 692 693 return 0; 694 } 695 696 static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) 697 { 698 struct ixgbe_hw *hw = &adapter->hw; 699 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 700 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; 701 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 702 u8 num_tcs = adapter->hw_tcs; 703 u32 reg_val; 704 u32 queue; 705 706 /* remove VLAN filters beloning to this VF */ 707 ixgbe_clear_vf_vlans(adapter, vf); 708 709 /* add back PF assigned VLAN or VLAN 0 */ 710 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); 711 712 /* reset offloads to defaults */ 713 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan); 714 715 /* set outgoing tags for VFs */ 716 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { 717 ixgbe_clear_vmvir(adapter, vf); 718 } else { 719 if (vfinfo->pf_qos || !num_tcs) 720 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 721 vfinfo->pf_qos, vf); 722 else 723 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 724 adapter->default_up, vf); 725 726 if (vfinfo->spoofchk_enabled) { 727 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); 728 hw->mac.ops.set_mac_anti_spoofing(hw, true, vf); 729 } 730 } 731 732 /* reset multicast table array for vf */ 733 adapter->vfinfo[vf].num_vf_mc_hashes = 0; 734 735 /* clear any ipsec table info */ 736 ixgbe_ipsec_vf_clear(adapter, vf); 737 738 /* Flush and reset the mta with the new values */ 739 ixgbe_set_rx_mode(adapter->netdev); 740 741 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); 742 ixgbe_set_vf_macvlan(adapter, vf, 0, NULL); 743 744 /* reset VF api back to unknown */ 745 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; 746 747 /* Restart each queue for given VF */ 748 for (queue = 0; queue < q_per_pool; queue++) { 749 unsigned int reg_idx = (vf * q_per_pool) + queue; 750 751 reg_val = IXGBE_READ_REG(hw, IXGBE_PVFTXDCTL(reg_idx)); 752 753 /* Re-enabling only configured queues */ 754 if (reg_val) { 755 reg_val |= IXGBE_TXDCTL_ENABLE; 756 IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val); 757 reg_val &= ~IXGBE_TXDCTL_ENABLE; 758 IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val); 759 } 760 } 761 762 IXGBE_WRITE_FLUSH(hw); 763 } 764 765 static void ixgbe_vf_clear_mbx(struct ixgbe_adapter *adapter, u32 vf) 766 { 767 struct ixgbe_hw *hw = &adapter->hw; 768 u32 word; 769 770 /* Clear VF's mailbox memory */ 771 for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++) 772 IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0); 773 774 IXGBE_WRITE_FLUSH(hw); 775 } 776 777 static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, 778 int vf, unsigned char *mac_addr) 779 { 780 s32 retval; 781 782 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); 783 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf); 784 if (retval >= 0) 785 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 786 ETH_ALEN); 787 else 788 eth_zero_addr(adapter->vfinfo[vf].vf_mac_addresses); 789 790 return retval; 791 } 792 793 int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) 794 { 795 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); 796 unsigned int vfn = (event_mask & 0x3f); 797 798 bool enable = ((event_mask & 0x10000000U) != 0); 799 800 if (enable) 801 eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses); 802 803 return 0; 804 } 805 806 static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf, 807 u32 qde) 808 { 809 struct ixgbe_hw *hw = &adapter->hw; 810 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 811 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 812 int i; 813 814 for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { 815 u32 reg; 816 817 /* flush previous write */ 818 IXGBE_WRITE_FLUSH(hw); 819 820 /* indicate to hardware that we want to set drop enable */ 821 reg = IXGBE_QDE_WRITE | qde; 822 reg |= i << IXGBE_QDE_IDX_SHIFT; 823 IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); 824 } 825 } 826 827 /** 828 * ixgbe_set_vf_rx_tx - Set VF rx tx 829 * @adapter: Pointer to adapter struct 830 * @vf: VF identifier 831 * 832 * Set or reset correct transmit and receive for vf 833 **/ 834 static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf) 835 { 836 u32 reg_cur_tx, reg_cur_rx, reg_req_tx, reg_req_rx; 837 struct ixgbe_hw *hw = &adapter->hw; 838 u32 reg_offset, vf_shift; 839 840 vf_shift = vf % 32; 841 reg_offset = vf / 32; 842 843 reg_cur_tx = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); 844 reg_cur_rx = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); 845 846 if (adapter->vfinfo[vf].link_enable) { 847 reg_req_tx = reg_cur_tx | 1 << vf_shift; 848 reg_req_rx = reg_cur_rx | 1 << vf_shift; 849 } else { 850 reg_req_tx = reg_cur_tx & ~(1 << vf_shift); 851 reg_req_rx = reg_cur_rx & ~(1 << vf_shift); 852 } 853 854 /* The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. 855 * For more info take a look at ixgbe_set_vf_lpe 856 */ 857 if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 858 struct net_device *dev = adapter->netdev; 859 int pf_max_frame = dev->mtu + ETH_HLEN; 860 861 #if IS_ENABLED(CONFIG_FCOE) 862 if (dev->features & NETIF_F_FCOE_MTU) 863 pf_max_frame = max_t(int, pf_max_frame, 864 IXGBE_FCOE_JUMBO_FRAME_SIZE); 865 #endif /* CONFIG_FCOE */ 866 867 if (pf_max_frame > ETH_FRAME_LEN) 868 reg_req_rx = reg_cur_rx & ~(1 << vf_shift); 869 } 870 871 /* Enable/Disable particular VF */ 872 if (reg_cur_tx != reg_req_tx) 873 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg_req_tx); 874 if (reg_cur_rx != reg_req_rx) 875 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg_req_rx); 876 } 877 878 static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) 879 { 880 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 881 struct ixgbe_hw *hw = &adapter->hw; 882 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; 883 u32 reg, reg_offset, vf_shift; 884 u32 msgbuf[4] = {0, 0, 0, 0}; 885 u8 *addr = (u8 *)(&msgbuf[1]); 886 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 887 int i; 888 889 e_info(probe, "VF Reset msg received from vf %d\n", vf); 890 891 /* reset the filters for the device */ 892 ixgbe_vf_reset_event(adapter, vf); 893 894 ixgbe_vf_clear_mbx(adapter, vf); 895 896 /* set vf mac address */ 897 if (!is_zero_ether_addr(vf_mac)) 898 ixgbe_set_vf_mac(adapter, vf, vf_mac); 899 900 vf_shift = vf % 32; 901 reg_offset = vf / 32; 902 903 /* force drop enable for all VF Rx queues */ 904 reg = IXGBE_QDE_ENABLE; 905 if (adapter->vfinfo[vf].pf_vlan) 906 reg |= IXGBE_QDE_HIDE_VLAN; 907 908 ixgbe_write_qde(adapter, vf, reg); 909 910 ixgbe_set_vf_rx_tx(adapter, vf); 911 912 /* enable VF mailbox for further messages */ 913 adapter->vfinfo[vf].clear_to_send = true; 914 915 /* Enable counting of spoofed packets in the SSVPC register */ 916 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); 917 reg |= BIT(vf_shift); 918 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); 919 920 /* 921 * Reset the VFs TDWBAL and TDWBAH registers 922 * which are not cleared by an FLR 923 */ 924 for (i = 0; i < q_per_pool; i++) { 925 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0); 926 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0); 927 } 928 929 /* reply to reset with ack and vf mac address */ 930 msgbuf[0] = IXGBE_VF_RESET; 931 if (!is_zero_ether_addr(vf_mac) && adapter->vfinfo[vf].pf_set_mac) { 932 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; 933 memcpy(addr, vf_mac, ETH_ALEN); 934 } else { 935 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 936 } 937 938 /* 939 * Piggyback the multicast filter type so VF can compute the 940 * correct vectors 941 */ 942 msgbuf[3] = hw->mac.mc_filter_type; 943 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); 944 945 return 0; 946 } 947 948 static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, 949 u32 *msgbuf, u32 vf) 950 { 951 u8 *new_mac = ((u8 *)(&msgbuf[1])); 952 953 if (!is_valid_ether_addr(new_mac)) { 954 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 955 return -1; 956 } 957 958 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted && 959 !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) { 960 e_warn(drv, 961 "VF %d attempted to override administratively set MAC address\n" 962 "Reload the VF driver to resume operations\n", 963 vf); 964 return -1; 965 } 966 967 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; 968 } 969 970 static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, 971 u32 *msgbuf, u32 vf) 972 { 973 u32 add = FIELD_GET(IXGBE_VT_MSGINFO_MASK, msgbuf[0]); 974 u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); 975 u8 tcs = adapter->hw_tcs; 976 977 if (adapter->vfinfo[vf].pf_vlan || tcs) { 978 e_warn(drv, 979 "VF %d attempted to override administratively set VLAN configuration\n" 980 "Reload the VF driver to resume operations\n", 981 vf); 982 return -1; 983 } 984 985 /* VLAN 0 is a special case, don't allow it to be removed */ 986 if (!vid && !add) 987 return 0; 988 989 return ixgbe_set_vf_vlan(adapter, add, vid, vf); 990 } 991 992 static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, 993 u32 *msgbuf, u32 vf) 994 { 995 u8 *new_mac = ((u8 *)(&msgbuf[1])); 996 int index = FIELD_GET(IXGBE_VT_MSGINFO_MASK, msgbuf[0]); 997 int err; 998 999 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted && 1000 index > 0) { 1001 e_warn(drv, 1002 "VF %d requested MACVLAN filter but is administratively denied\n", 1003 vf); 1004 return -1; 1005 } 1006 1007 /* An non-zero index indicates the VF is setting a filter */ 1008 if (index) { 1009 if (!is_valid_ether_addr(new_mac)) { 1010 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 1011 return -1; 1012 } 1013 1014 /* 1015 * If the VF is allowed to set MAC filters then turn off 1016 * anti-spoofing to avoid false positives. 1017 */ 1018 if (adapter->vfinfo[vf].spoofchk_enabled) { 1019 struct ixgbe_hw *hw = &adapter->hw; 1020 1021 hw->mac.ops.set_mac_anti_spoofing(hw, false, vf); 1022 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); 1023 } 1024 } 1025 1026 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); 1027 if (err == -ENOSPC) 1028 e_warn(drv, 1029 "VF %d has requested a MACVLAN filter but there is no space for it\n", 1030 vf); 1031 1032 return err < 0; 1033 } 1034 1035 static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter, 1036 u32 *msgbuf, u32 vf) 1037 { 1038 int api = msgbuf[1]; 1039 1040 switch (api) { 1041 case ixgbe_mbox_api_10: 1042 case ixgbe_mbox_api_11: 1043 case ixgbe_mbox_api_12: 1044 case ixgbe_mbox_api_13: 1045 case ixgbe_mbox_api_14: 1046 adapter->vfinfo[vf].vf_api = api; 1047 return 0; 1048 default: 1049 break; 1050 } 1051 1052 e_info(drv, "VF %d requested invalid api version %u\n", vf, api); 1053 1054 return -1; 1055 } 1056 1057 static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter, 1058 u32 *msgbuf, u32 vf) 1059 { 1060 struct net_device *dev = adapter->netdev; 1061 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 1062 unsigned int default_tc = 0; 1063 u8 num_tcs = adapter->hw_tcs; 1064 1065 /* verify the PF is supporting the correct APIs */ 1066 switch (adapter->vfinfo[vf].vf_api) { 1067 case ixgbe_mbox_api_20: 1068 case ixgbe_mbox_api_11: 1069 case ixgbe_mbox_api_12: 1070 case ixgbe_mbox_api_13: 1071 case ixgbe_mbox_api_14: 1072 break; 1073 default: 1074 return -1; 1075 } 1076 1077 /* only allow 1 Tx queue for bandwidth limiting */ 1078 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 1079 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 1080 1081 /* if TCs > 1 determine which TC belongs to default user priority */ 1082 if (num_tcs > 1) 1083 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up); 1084 1085 /* notify VF of need for VLAN tag stripping, and correct queue */ 1086 if (num_tcs) 1087 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs; 1088 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos) 1089 msgbuf[IXGBE_VF_TRANS_VLAN] = 1; 1090 else 1091 msgbuf[IXGBE_VF_TRANS_VLAN] = 0; 1092 1093 /* notify VF of default queue */ 1094 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc; 1095 1096 return 0; 1097 } 1098 1099 static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) 1100 { 1101 u32 i, j; 1102 u32 *out_buf = &msgbuf[1]; 1103 const u8 *reta = adapter->rss_indir_tbl; 1104 u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter); 1105 1106 /* Check if operation is permitted */ 1107 if (!adapter->vfinfo[vf].rss_query_enabled) 1108 return -EPERM; 1109 1110 /* verify the PF is supporting the correct API */ 1111 switch (adapter->vfinfo[vf].vf_api) { 1112 case ixgbe_mbox_api_14: 1113 case ixgbe_mbox_api_13: 1114 case ixgbe_mbox_api_12: 1115 break; 1116 default: 1117 return -EOPNOTSUPP; 1118 } 1119 1120 /* This mailbox command is supported (required) only for 82599 and x540 1121 * VFs which support up to 4 RSS queues. Therefore we will compress the 1122 * RETA by saving only 2 bits from each entry. This way we will be able 1123 * to transfer the whole RETA in a single mailbox operation. 1124 */ 1125 for (i = 0; i < reta_size / 16; i++) { 1126 out_buf[i] = 0; 1127 for (j = 0; j < 16; j++) 1128 out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j); 1129 } 1130 1131 return 0; 1132 } 1133 1134 static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter, 1135 u32 *msgbuf, u32 vf) 1136 { 1137 u32 *rss_key = &msgbuf[1]; 1138 1139 /* Check if the operation is permitted */ 1140 if (!adapter->vfinfo[vf].rss_query_enabled) 1141 return -EPERM; 1142 1143 /* verify the PF is supporting the correct API */ 1144 switch (adapter->vfinfo[vf].vf_api) { 1145 case ixgbe_mbox_api_14: 1146 case ixgbe_mbox_api_13: 1147 case ixgbe_mbox_api_12: 1148 break; 1149 default: 1150 return -EOPNOTSUPP; 1151 } 1152 1153 memcpy(rss_key, adapter->rss_key, IXGBE_RSS_KEY_SIZE); 1154 1155 return 0; 1156 } 1157 1158 static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter, 1159 u32 *msgbuf, u32 vf) 1160 { 1161 struct ixgbe_hw *hw = &adapter->hw; 1162 int xcast_mode = msgbuf[1]; 1163 u32 vmolr, fctrl, disable, enable; 1164 1165 /* verify the PF is supporting the correct APIs */ 1166 switch (adapter->vfinfo[vf].vf_api) { 1167 case ixgbe_mbox_api_12: 1168 /* promisc introduced in 1.3 version */ 1169 if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC) 1170 return -EOPNOTSUPP; 1171 fallthrough; 1172 case ixgbe_mbox_api_13: 1173 case ixgbe_mbox_api_14: 1174 break; 1175 default: 1176 return -EOPNOTSUPP; 1177 } 1178 1179 if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI && 1180 !adapter->vfinfo[vf].trusted) { 1181 xcast_mode = IXGBEVF_XCAST_MODE_MULTI; 1182 } 1183 1184 if (adapter->vfinfo[vf].xcast_mode == xcast_mode) 1185 goto out; 1186 1187 switch (xcast_mode) { 1188 case IXGBEVF_XCAST_MODE_NONE: 1189 disable = IXGBE_VMOLR_ROMPE | 1190 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1191 enable = IXGBE_VMOLR_BAM; 1192 break; 1193 case IXGBEVF_XCAST_MODE_MULTI: 1194 disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1195 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE; 1196 break; 1197 case IXGBEVF_XCAST_MODE_ALLMULTI: 1198 disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1199 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE; 1200 break; 1201 case IXGBEVF_XCAST_MODE_PROMISC: 1202 if (hw->mac.type <= ixgbe_mac_82599EB) 1203 return -EOPNOTSUPP; 1204 1205 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 1206 if (!(fctrl & IXGBE_FCTRL_UPE)) { 1207 /* VF promisc requires PF in promisc */ 1208 e_warn(drv, 1209 "Enabling VF promisc requires PF in promisc\n"); 1210 return -EPERM; 1211 } 1212 1213 disable = IXGBE_VMOLR_VPE; 1214 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | 1215 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE; 1216 break; 1217 default: 1218 return -EOPNOTSUPP; 1219 } 1220 1221 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); 1222 vmolr &= ~disable; 1223 vmolr |= enable; 1224 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); 1225 1226 adapter->vfinfo[vf].xcast_mode = xcast_mode; 1227 1228 out: 1229 msgbuf[1] = xcast_mode; 1230 1231 return 0; 1232 } 1233 1234 static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter, 1235 u32 *msgbuf, u32 vf) 1236 { 1237 u32 *link_state = &msgbuf[1]; 1238 1239 /* verify the PF is supporting the correct API */ 1240 switch (adapter->vfinfo[vf].vf_api) { 1241 case ixgbe_mbox_api_12: 1242 case ixgbe_mbox_api_13: 1243 case ixgbe_mbox_api_14: 1244 break; 1245 default: 1246 return -EOPNOTSUPP; 1247 } 1248 1249 *link_state = adapter->vfinfo[vf].link_enable; 1250 1251 return 0; 1252 } 1253 1254 static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) 1255 { 1256 u32 mbx_size = IXGBE_VFMAILBOX_SIZE; 1257 u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; 1258 struct ixgbe_hw *hw = &adapter->hw; 1259 s32 retval; 1260 1261 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); 1262 1263 if (retval) { 1264 pr_err("Error receiving message from VF\n"); 1265 return retval; 1266 } 1267 1268 /* this is a message we already processed, do nothing */ 1269 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) 1270 return 0; 1271 1272 /* flush the ack before we write any messages back */ 1273 IXGBE_WRITE_FLUSH(hw); 1274 1275 if (msgbuf[0] == IXGBE_VF_RESET) 1276 return ixgbe_vf_reset_msg(adapter, vf); 1277 1278 /* 1279 * until the vf completes a virtual function reset it should not be 1280 * allowed to start any configuration. 1281 */ 1282 if (!adapter->vfinfo[vf].clear_to_send) { 1283 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 1284 ixgbe_write_mbx(hw, msgbuf, 1, vf); 1285 return 0; 1286 } 1287 1288 switch ((msgbuf[0] & 0xFFFF)) { 1289 case IXGBE_VF_SET_MAC_ADDR: 1290 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); 1291 break; 1292 case IXGBE_VF_SET_MULTICAST: 1293 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); 1294 break; 1295 case IXGBE_VF_SET_VLAN: 1296 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); 1297 break; 1298 case IXGBE_VF_SET_LPE: 1299 retval = ixgbe_set_vf_lpe(adapter, msgbuf[1], vf); 1300 break; 1301 case IXGBE_VF_SET_MACVLAN: 1302 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); 1303 break; 1304 case IXGBE_VF_API_NEGOTIATE: 1305 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf); 1306 break; 1307 case IXGBE_VF_GET_QUEUES: 1308 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf); 1309 break; 1310 case IXGBE_VF_GET_RETA: 1311 retval = ixgbe_get_vf_reta(adapter, msgbuf, vf); 1312 break; 1313 case IXGBE_VF_GET_RSS_KEY: 1314 retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf); 1315 break; 1316 case IXGBE_VF_UPDATE_XCAST_MODE: 1317 retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf); 1318 break; 1319 case IXGBE_VF_GET_LINK_STATE: 1320 retval = ixgbe_get_vf_link_state(adapter, msgbuf, vf); 1321 break; 1322 case IXGBE_VF_IPSEC_ADD: 1323 retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf); 1324 break; 1325 case IXGBE_VF_IPSEC_DEL: 1326 retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf); 1327 break; 1328 default: 1329 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); 1330 retval = -EIO; 1331 break; 1332 } 1333 1334 /* notify the VF of the results of what it sent us */ 1335 if (retval) 1336 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 1337 else 1338 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; 1339 1340 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; 1341 1342 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf); 1343 1344 return retval; 1345 } 1346 1347 static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) 1348 { 1349 struct ixgbe_hw *hw = &adapter->hw; 1350 u32 msg = IXGBE_VT_MSGTYPE_NACK; 1351 1352 /* if device isn't clear to send it shouldn't be reading either */ 1353 if (!adapter->vfinfo[vf].clear_to_send) 1354 ixgbe_write_mbx(hw, &msg, 1, vf); 1355 } 1356 1357 void ixgbe_msg_task(struct ixgbe_adapter *adapter) 1358 { 1359 struct ixgbe_hw *hw = &adapter->hw; 1360 unsigned long flags; 1361 u32 vf; 1362 1363 spin_lock_irqsave(&adapter->vfs_lock, flags); 1364 for (vf = 0; vf < adapter->num_vfs; vf++) { 1365 /* process any reset requests */ 1366 if (!ixgbe_check_for_rst(hw, vf)) 1367 ixgbe_vf_reset_event(adapter, vf); 1368 1369 /* process any messages pending */ 1370 if (!ixgbe_check_for_msg(hw, vf)) 1371 ixgbe_rcv_msg_from_vf(adapter, vf); 1372 1373 /* process any acks */ 1374 if (!ixgbe_check_for_ack(hw, vf)) 1375 ixgbe_rcv_ack_from_vf(adapter, vf); 1376 } 1377 spin_unlock_irqrestore(&adapter->vfs_lock, flags); 1378 } 1379 1380 static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf) 1381 { 1382 struct ixgbe_hw *hw = &adapter->hw; 1383 u32 ping; 1384 1385 ping = IXGBE_PF_CONTROL_MSG; 1386 if (adapter->vfinfo[vf].clear_to_send) 1387 ping |= IXGBE_VT_MSGTYPE_CTS; 1388 ixgbe_write_mbx(hw, &ping, 1, vf); 1389 } 1390 1391 void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) 1392 { 1393 struct ixgbe_hw *hw = &adapter->hw; 1394 u32 ping; 1395 int i; 1396 1397 for (i = 0 ; i < adapter->num_vfs; i++) { 1398 ping = IXGBE_PF_CONTROL_MSG; 1399 if (adapter->vfinfo[i].clear_to_send) 1400 ping |= IXGBE_VT_MSGTYPE_CTS; 1401 ixgbe_write_mbx(hw, &ping, 1, i); 1402 } 1403 } 1404 1405 /** 1406 * ixgbe_set_all_vfs - update vfs queues 1407 * @adapter: Pointer to adapter struct 1408 * 1409 * Update setting transmit and receive queues for all vfs 1410 **/ 1411 void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter) 1412 { 1413 int i; 1414 1415 for (i = 0 ; i < adapter->num_vfs; i++) 1416 ixgbe_set_vf_link_state(adapter, i, 1417 adapter->vfinfo[i].link_state); 1418 } 1419 1420 int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) 1421 { 1422 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1423 s32 retval; 1424 1425 if (vf >= adapter->num_vfs) 1426 return -EINVAL; 1427 1428 if (is_valid_ether_addr(mac)) { 1429 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", 1430 mac, vf); 1431 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective."); 1432 1433 retval = ixgbe_set_vf_mac(adapter, vf, mac); 1434 if (retval >= 0) { 1435 adapter->vfinfo[vf].pf_set_mac = true; 1436 1437 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1438 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n"); 1439 dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n"); 1440 } 1441 } else { 1442 dev_warn(&adapter->pdev->dev, "The VF MAC address was NOT set due to invalid or duplicate MAC address.\n"); 1443 } 1444 } else if (is_zero_ether_addr(mac)) { 1445 unsigned char *vf_mac_addr = 1446 adapter->vfinfo[vf].vf_mac_addresses; 1447 1448 /* nothing to do */ 1449 if (is_zero_ether_addr(vf_mac_addr)) 1450 return 0; 1451 1452 dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf); 1453 1454 retval = ixgbe_del_mac_filter(adapter, vf_mac_addr, vf); 1455 if (retval >= 0) { 1456 adapter->vfinfo[vf].pf_set_mac = false; 1457 memcpy(vf_mac_addr, mac, ETH_ALEN); 1458 } else { 1459 dev_warn(&adapter->pdev->dev, "Could NOT remove the VF MAC address.\n"); 1460 } 1461 } else { 1462 retval = -EINVAL; 1463 } 1464 1465 return retval; 1466 } 1467 1468 static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, 1469 u16 vlan, u8 qos) 1470 { 1471 struct ixgbe_hw *hw = &adapter->hw; 1472 int err; 1473 1474 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); 1475 if (err) 1476 goto out; 1477 1478 /* Revoke tagless access via VLAN 0 */ 1479 ixgbe_set_vf_vlan(adapter, false, 0, vf); 1480 1481 ixgbe_set_vmvir(adapter, vlan, qos, vf); 1482 ixgbe_set_vmolr(hw, vf, false); 1483 1484 /* enable hide vlan on X550 */ 1485 if (hw->mac.type >= ixgbe_mac_X550) 1486 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE | 1487 IXGBE_QDE_HIDE_VLAN); 1488 1489 adapter->vfinfo[vf].pf_vlan = vlan; 1490 adapter->vfinfo[vf].pf_qos = qos; 1491 dev_info(&adapter->pdev->dev, 1492 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); 1493 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1494 dev_warn(&adapter->pdev->dev, 1495 "The VF VLAN has been set, but the PF device is not up.\n"); 1496 dev_warn(&adapter->pdev->dev, 1497 "Bring the PF device up before attempting to use the VF device.\n"); 1498 } 1499 1500 out: 1501 return err; 1502 } 1503 1504 static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) 1505 { 1506 struct ixgbe_hw *hw = &adapter->hw; 1507 int err; 1508 1509 err = ixgbe_set_vf_vlan(adapter, false, 1510 adapter->vfinfo[vf].pf_vlan, vf); 1511 /* Restore tagless access via VLAN 0 */ 1512 ixgbe_set_vf_vlan(adapter, true, 0, vf); 1513 ixgbe_clear_vmvir(adapter, vf); 1514 ixgbe_set_vmolr(hw, vf, true); 1515 1516 /* disable hide VLAN on X550 */ 1517 if (hw->mac.type >= ixgbe_mac_X550) 1518 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); 1519 1520 adapter->vfinfo[vf].pf_vlan = 0; 1521 adapter->vfinfo[vf].pf_qos = 0; 1522 1523 return err; 1524 } 1525 1526 int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, 1527 u8 qos, __be16 vlan_proto) 1528 { 1529 int err = 0; 1530 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1531 1532 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) 1533 return -EINVAL; 1534 if (vlan_proto != htons(ETH_P_8021Q)) 1535 return -EPROTONOSUPPORT; 1536 if (vlan || qos) { 1537 /* Check if there is already a port VLAN set, if so 1538 * we have to delete the old one first before we 1539 * can set the new one. The usage model had 1540 * previously assumed the user would delete the 1541 * old port VLAN before setting a new one but this 1542 * is not necessarily the case. 1543 */ 1544 if (adapter->vfinfo[vf].pf_vlan) 1545 err = ixgbe_disable_port_vlan(adapter, vf); 1546 if (err) 1547 goto out; 1548 err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos); 1549 } else { 1550 err = ixgbe_disable_port_vlan(adapter, vf); 1551 } 1552 1553 out: 1554 return err; 1555 } 1556 1557 int ixgbe_link_mbps(struct ixgbe_adapter *adapter) 1558 { 1559 switch (adapter->link_speed) { 1560 case IXGBE_LINK_SPEED_100_FULL: 1561 return 100; 1562 case IXGBE_LINK_SPEED_1GB_FULL: 1563 return 1000; 1564 case IXGBE_LINK_SPEED_10GB_FULL: 1565 return 10000; 1566 default: 1567 return 0; 1568 } 1569 } 1570 1571 static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf) 1572 { 1573 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 1574 struct ixgbe_hw *hw = &adapter->hw; 1575 u32 bcnrc_val = 0; 1576 u16 queue, queues_per_pool; 1577 u16 tx_rate = adapter->vfinfo[vf].tx_rate; 1578 1579 if (tx_rate) { 1580 /* start with base link speed value */ 1581 bcnrc_val = adapter->vf_rate_link_speed; 1582 1583 /* Calculate the rate factor values to set */ 1584 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT; 1585 bcnrc_val /= tx_rate; 1586 1587 /* clear everything but the rate factor */ 1588 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK | 1589 IXGBE_RTTBCNRC_RF_DEC_MASK; 1590 1591 /* enable the rate scheduler */ 1592 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA; 1593 } 1594 1595 /* 1596 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM 1597 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported 1598 * and 0x004 otherwise. 1599 */ 1600 switch (hw->mac.type) { 1601 case ixgbe_mac_82599EB: 1602 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4); 1603 break; 1604 case ixgbe_mac_X540: 1605 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14); 1606 break; 1607 default: 1608 break; 1609 } 1610 1611 /* determine how many queues per pool based on VMDq mask */ 1612 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 1613 1614 /* write value for all Tx queues belonging to VF */ 1615 for (queue = 0; queue < queues_per_pool; queue++) { 1616 unsigned int reg_idx = (vf * queues_per_pool) + queue; 1617 1618 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx); 1619 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); 1620 } 1621 } 1622 1623 void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) 1624 { 1625 int i; 1626 1627 /* VF Tx rate limit was not set */ 1628 if (!adapter->vf_rate_link_speed) 1629 return; 1630 1631 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) { 1632 adapter->vf_rate_link_speed = 0; 1633 dev_info(&adapter->pdev->dev, 1634 "Link speed has been changed. VF Transmit rate is disabled\n"); 1635 } 1636 1637 for (i = 0; i < adapter->num_vfs; i++) { 1638 if (!adapter->vf_rate_link_speed) 1639 adapter->vfinfo[i].tx_rate = 0; 1640 1641 ixgbe_set_vf_rate_limit(adapter, i); 1642 } 1643 } 1644 1645 int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, 1646 int max_tx_rate) 1647 { 1648 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1649 int link_speed; 1650 1651 /* verify VF is active */ 1652 if (vf >= adapter->num_vfs) 1653 return -EINVAL; 1654 1655 /* verify link is up */ 1656 if (!adapter->link_up) 1657 return -EINVAL; 1658 1659 /* verify we are linked at 10Gbps */ 1660 link_speed = ixgbe_link_mbps(adapter); 1661 if (link_speed != 10000) 1662 return -EINVAL; 1663 1664 if (min_tx_rate) 1665 return -EINVAL; 1666 1667 /* rate limit cannot be less than 10Mbs or greater than link speed */ 1668 if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed))) 1669 return -EINVAL; 1670 1671 /* store values */ 1672 adapter->vf_rate_link_speed = link_speed; 1673 adapter->vfinfo[vf].tx_rate = max_tx_rate; 1674 1675 /* update hardware configuration */ 1676 ixgbe_set_vf_rate_limit(adapter, vf); 1677 1678 return 0; 1679 } 1680 1681 int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) 1682 { 1683 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1684 struct ixgbe_hw *hw = &adapter->hw; 1685 1686 if (vf >= adapter->num_vfs) 1687 return -EINVAL; 1688 1689 adapter->vfinfo[vf].spoofchk_enabled = setting; 1690 1691 /* configure MAC spoofing */ 1692 hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf); 1693 1694 /* configure VLAN spoofing */ 1695 hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf); 1696 1697 /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be 1698 * calling set_ethertype_anti_spoofing for each VF in loop below 1699 */ 1700 if (hw->mac.ops.set_ethertype_anti_spoofing) { 1701 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP), 1702 (IXGBE_ETQF_FILTER_EN | 1703 IXGBE_ETQF_TX_ANTISPOOF | 1704 ETH_P_LLDP)); 1705 1706 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC), 1707 (IXGBE_ETQF_FILTER_EN | 1708 IXGBE_ETQF_TX_ANTISPOOF | 1709 ETH_P_PAUSE)); 1710 1711 hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf); 1712 } 1713 1714 return 0; 1715 } 1716 1717 /** 1718 * ixgbe_set_vf_link_state - Set link state 1719 * @adapter: Pointer to adapter struct 1720 * @vf: VF identifier 1721 * @state: required link state 1722 * 1723 * Set a link force state on/off a single vf 1724 **/ 1725 void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state) 1726 { 1727 adapter->vfinfo[vf].link_state = state; 1728 1729 switch (state) { 1730 case IFLA_VF_LINK_STATE_AUTO: 1731 if (test_bit(__IXGBE_DOWN, &adapter->state)) 1732 adapter->vfinfo[vf].link_enable = false; 1733 else 1734 adapter->vfinfo[vf].link_enable = true; 1735 break; 1736 case IFLA_VF_LINK_STATE_ENABLE: 1737 adapter->vfinfo[vf].link_enable = true; 1738 break; 1739 case IFLA_VF_LINK_STATE_DISABLE: 1740 adapter->vfinfo[vf].link_enable = false; 1741 break; 1742 } 1743 1744 ixgbe_set_vf_rx_tx(adapter, vf); 1745 1746 /* restart the VF */ 1747 adapter->vfinfo[vf].clear_to_send = false; 1748 ixgbe_ping_vf(adapter, vf); 1749 } 1750 1751 /** 1752 * ixgbe_ndo_set_vf_link_state - Set link state 1753 * @netdev: network interface device structure 1754 * @vf: VF identifier 1755 * @state: required link state 1756 * 1757 * Set the link state of a specified VF, regardless of physical link state 1758 **/ 1759 int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state) 1760 { 1761 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1762 int ret = 0; 1763 1764 if (vf < 0 || vf >= adapter->num_vfs) { 1765 dev_err(&adapter->pdev->dev, 1766 "NDO set VF link - invalid VF identifier %d\n", vf); 1767 return -EINVAL; 1768 } 1769 1770 switch (state) { 1771 case IFLA_VF_LINK_STATE_ENABLE: 1772 dev_info(&adapter->pdev->dev, 1773 "NDO set VF %d link state %d - not supported\n", 1774 vf, state); 1775 break; 1776 case IFLA_VF_LINK_STATE_DISABLE: 1777 dev_info(&adapter->pdev->dev, 1778 "NDO set VF %d link state disable\n", vf); 1779 ixgbe_set_vf_link_state(adapter, vf, state); 1780 break; 1781 case IFLA_VF_LINK_STATE_AUTO: 1782 dev_info(&adapter->pdev->dev, 1783 "NDO set VF %d link state auto\n", vf); 1784 ixgbe_set_vf_link_state(adapter, vf, state); 1785 break; 1786 default: 1787 dev_err(&adapter->pdev->dev, 1788 "NDO set VF %d - invalid link state %d\n", vf, state); 1789 ret = -EINVAL; 1790 } 1791 1792 return ret; 1793 } 1794 1795 int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf, 1796 bool setting) 1797 { 1798 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1799 1800 /* This operation is currently supported only for 82599 and x540 1801 * devices. 1802 */ 1803 if (adapter->hw.mac.type < ixgbe_mac_82599EB || 1804 adapter->hw.mac.type >= ixgbe_mac_X550) 1805 return -EOPNOTSUPP; 1806 1807 if (vf >= adapter->num_vfs) 1808 return -EINVAL; 1809 1810 adapter->vfinfo[vf].rss_query_enabled = setting; 1811 1812 return 0; 1813 } 1814 1815 int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting) 1816 { 1817 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1818 1819 if (vf >= adapter->num_vfs) 1820 return -EINVAL; 1821 1822 /* nothing to do */ 1823 if (adapter->vfinfo[vf].trusted == setting) 1824 return 0; 1825 1826 adapter->vfinfo[vf].trusted = setting; 1827 1828 /* reset VF to reconfigure features */ 1829 adapter->vfinfo[vf].clear_to_send = false; 1830 ixgbe_ping_vf(adapter, vf); 1831 1832 e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not "); 1833 1834 return 0; 1835 } 1836 1837 int ixgbe_ndo_get_vf_config(struct net_device *netdev, 1838 int vf, struct ifla_vf_info *ivi) 1839 { 1840 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1841 if (vf >= adapter->num_vfs) 1842 return -EINVAL; 1843 ivi->vf = vf; 1844 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); 1845 ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate; 1846 ivi->min_tx_rate = 0; 1847 ivi->vlan = adapter->vfinfo[vf].pf_vlan; 1848 ivi->qos = adapter->vfinfo[vf].pf_qos; 1849 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; 1850 ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled; 1851 ivi->trusted = adapter->vfinfo[vf].trusted; 1852 return 0; 1853 } 1854