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