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 = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) 367 >> IXGBE_VT_MSGINFO_SHIFT; 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 s32 err = 0; 497 498 #ifdef CONFIG_FCOE 499 if (dev->features & NETIF_F_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 struct list_head *pos; 644 int retval = 0; 645 646 if (index <= 1) { 647 list_for_each(pos, &adapter->vf_mvs.l) { 648 entry = list_entry(pos, struct vf_macvlans, l); 649 if (entry->vf == vf) { 650 entry->vf = -1; 651 entry->free = true; 652 entry->is_macvlan = false; 653 ixgbe_del_mac_filter(adapter, 654 entry->vf_macvlan, vf); 655 } 656 } 657 } 658 659 /* 660 * If index was zero then we were asked to clear the uc list 661 * for the VF. We're done. 662 */ 663 if (!index) 664 return 0; 665 666 entry = NULL; 667 668 list_for_each(pos, &adapter->vf_mvs.l) { 669 entry = list_entry(pos, struct vf_macvlans, l); 670 if (entry->free) 671 break; 672 } 673 674 /* 675 * If we traversed the entire list and didn't find a free entry 676 * then we're out of space on the RAR table. Also entry may 677 * be NULL because the original memory allocation for the list 678 * failed, which is not fatal but does mean we can't support 679 * VF requests for MACVLAN because we couldn't allocate 680 * memory for the list management required. 681 */ 682 if (!entry || !entry->free) 683 return -ENOSPC; 684 685 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf); 686 if (retval < 0) 687 return retval; 688 689 entry->free = false; 690 entry->is_macvlan = true; 691 entry->vf = vf; 692 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); 693 694 return 0; 695 } 696 697 static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) 698 { 699 struct ixgbe_hw *hw = &adapter->hw; 700 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 701 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; 702 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 703 u8 num_tcs = adapter->hw_tcs; 704 u32 reg_val; 705 u32 queue; 706 707 /* remove VLAN filters beloning to this VF */ 708 ixgbe_clear_vf_vlans(adapter, vf); 709 710 /* add back PF assigned VLAN or VLAN 0 */ 711 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); 712 713 /* reset offloads to defaults */ 714 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan); 715 716 /* set outgoing tags for VFs */ 717 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { 718 ixgbe_clear_vmvir(adapter, vf); 719 } else { 720 if (vfinfo->pf_qos || !num_tcs) 721 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 722 vfinfo->pf_qos, vf); 723 else 724 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 725 adapter->default_up, vf); 726 727 if (vfinfo->spoofchk_enabled) { 728 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); 729 hw->mac.ops.set_mac_anti_spoofing(hw, true, vf); 730 } 731 } 732 733 /* reset multicast table array for vf */ 734 adapter->vfinfo[vf].num_vf_mc_hashes = 0; 735 736 /* clear any ipsec table info */ 737 ixgbe_ipsec_vf_clear(adapter, vf); 738 739 /* Flush and reset the mta with the new values */ 740 ixgbe_set_rx_mode(adapter->netdev); 741 742 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); 743 ixgbe_set_vf_macvlan(adapter, vf, 0, NULL); 744 745 /* reset VF api back to unknown */ 746 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; 747 748 /* Restart each queue for given VF */ 749 for (queue = 0; queue < q_per_pool; queue++) { 750 unsigned int reg_idx = (vf * q_per_pool) + queue; 751 752 reg_val = IXGBE_READ_REG(hw, IXGBE_PVFTXDCTL(reg_idx)); 753 754 /* Re-enabling only configured queues */ 755 if (reg_val) { 756 reg_val |= IXGBE_TXDCTL_ENABLE; 757 IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val); 758 reg_val &= ~IXGBE_TXDCTL_ENABLE; 759 IXGBE_WRITE_REG(hw, IXGBE_PVFTXDCTL(reg_idx), reg_val); 760 } 761 } 762 763 IXGBE_WRITE_FLUSH(hw); 764 } 765 766 static void ixgbe_vf_clear_mbx(struct ixgbe_adapter *adapter, u32 vf) 767 { 768 struct ixgbe_hw *hw = &adapter->hw; 769 u32 word; 770 771 /* Clear VF's mailbox memory */ 772 for (word = 0; word < IXGBE_VFMAILBOX_SIZE; word++) 773 IXGBE_WRITE_REG_ARRAY(hw, IXGBE_PFMBMEM(vf), word, 0); 774 775 IXGBE_WRITE_FLUSH(hw); 776 } 777 778 static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, 779 int vf, unsigned char *mac_addr) 780 { 781 s32 retval; 782 783 ixgbe_del_mac_filter(adapter, adapter->vfinfo[vf].vf_mac_addresses, vf); 784 retval = ixgbe_add_mac_filter(adapter, mac_addr, vf); 785 if (retval >= 0) 786 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 787 ETH_ALEN); 788 else 789 eth_zero_addr(adapter->vfinfo[vf].vf_mac_addresses); 790 791 return retval; 792 } 793 794 int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) 795 { 796 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); 797 unsigned int vfn = (event_mask & 0x3f); 798 799 bool enable = ((event_mask & 0x10000000U) != 0); 800 801 if (enable) 802 eth_zero_addr(adapter->vfinfo[vfn].vf_mac_addresses); 803 804 return 0; 805 } 806 807 static inline void ixgbe_write_qde(struct ixgbe_adapter *adapter, u32 vf, 808 u32 qde) 809 { 810 struct ixgbe_hw *hw = &adapter->hw; 811 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 812 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 813 int i; 814 815 for (i = vf * q_per_pool; i < ((vf + 1) * q_per_pool); i++) { 816 u32 reg; 817 818 /* flush previous write */ 819 IXGBE_WRITE_FLUSH(hw); 820 821 /* indicate to hardware that we want to set drop enable */ 822 reg = IXGBE_QDE_WRITE | qde; 823 reg |= i << IXGBE_QDE_IDX_SHIFT; 824 IXGBE_WRITE_REG(hw, IXGBE_QDE, reg); 825 } 826 } 827 828 /** 829 * ixgbe_set_vf_rx_tx - Set VF rx tx 830 * @adapter: Pointer to adapter struct 831 * @vf: VF identifier 832 * 833 * Set or reset correct transmit and receive for vf 834 **/ 835 static void ixgbe_set_vf_rx_tx(struct ixgbe_adapter *adapter, int vf) 836 { 837 u32 reg_cur_tx, reg_cur_rx, reg_req_tx, reg_req_rx; 838 struct ixgbe_hw *hw = &adapter->hw; 839 u32 reg_offset, vf_shift; 840 841 vf_shift = vf % 32; 842 reg_offset = vf / 32; 843 844 reg_cur_tx = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); 845 reg_cur_rx = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); 846 847 if (adapter->vfinfo[vf].link_enable) { 848 reg_req_tx = reg_cur_tx | 1 << vf_shift; 849 reg_req_rx = reg_cur_rx | 1 << vf_shift; 850 } else { 851 reg_req_tx = reg_cur_tx & ~(1 << vf_shift); 852 reg_req_rx = reg_cur_rx & ~(1 << vf_shift); 853 } 854 855 /* The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. 856 * For more info take a look at ixgbe_set_vf_lpe 857 */ 858 if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 859 struct net_device *dev = adapter->netdev; 860 int pf_max_frame = dev->mtu + ETH_HLEN; 861 862 #if IS_ENABLED(CONFIG_FCOE) 863 if (dev->features & NETIF_F_FCOE_MTU) 864 pf_max_frame = max_t(int, pf_max_frame, 865 IXGBE_FCOE_JUMBO_FRAME_SIZE); 866 #endif /* CONFIG_FCOE */ 867 868 if (pf_max_frame > ETH_FRAME_LEN) 869 reg_req_rx = reg_cur_rx & ~(1 << vf_shift); 870 } 871 872 /* Enable/Disable particular VF */ 873 if (reg_cur_tx != reg_req_tx) 874 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg_req_tx); 875 if (reg_cur_rx != reg_req_rx) 876 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg_req_rx); 877 } 878 879 static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) 880 { 881 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 882 struct ixgbe_hw *hw = &adapter->hw; 883 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; 884 u32 reg, reg_offset, vf_shift; 885 u32 msgbuf[4] = {0, 0, 0, 0}; 886 u8 *addr = (u8 *)(&msgbuf[1]); 887 u32 q_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 888 int i; 889 890 e_info(probe, "VF Reset msg received from vf %d\n", vf); 891 892 /* reset the filters for the device */ 893 ixgbe_vf_reset_event(adapter, vf); 894 895 ixgbe_vf_clear_mbx(adapter, vf); 896 897 /* set vf mac address */ 898 if (!is_zero_ether_addr(vf_mac)) 899 ixgbe_set_vf_mac(adapter, vf, vf_mac); 900 901 vf_shift = vf % 32; 902 reg_offset = vf / 32; 903 904 /* force drop enable for all VF Rx queues */ 905 reg = IXGBE_QDE_ENABLE; 906 if (adapter->vfinfo[vf].pf_vlan) 907 reg |= IXGBE_QDE_HIDE_VLAN; 908 909 ixgbe_write_qde(adapter, vf, reg); 910 911 ixgbe_set_vf_rx_tx(adapter, vf); 912 913 /* enable VF mailbox for further messages */ 914 adapter->vfinfo[vf].clear_to_send = true; 915 916 /* Enable counting of spoofed packets in the SSVPC register */ 917 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); 918 reg |= BIT(vf_shift); 919 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); 920 921 /* 922 * Reset the VFs TDWBAL and TDWBAH registers 923 * which are not cleared by an FLR 924 */ 925 for (i = 0; i < q_per_pool; i++) { 926 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBAHn(q_per_pool, vf, i), 0); 927 IXGBE_WRITE_REG(hw, IXGBE_PVFTDWBALn(q_per_pool, vf, i), 0); 928 } 929 930 /* reply to reset with ack and vf mac address */ 931 msgbuf[0] = IXGBE_VF_RESET; 932 if (!is_zero_ether_addr(vf_mac) && adapter->vfinfo[vf].pf_set_mac) { 933 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; 934 memcpy(addr, vf_mac, ETH_ALEN); 935 } else { 936 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 937 } 938 939 /* 940 * Piggyback the multicast filter type so VF can compute the 941 * correct vectors 942 */ 943 msgbuf[3] = hw->mac.mc_filter_type; 944 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); 945 946 return 0; 947 } 948 949 static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, 950 u32 *msgbuf, u32 vf) 951 { 952 u8 *new_mac = ((u8 *)(&msgbuf[1])); 953 954 if (!is_valid_ether_addr(new_mac)) { 955 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 956 return -1; 957 } 958 959 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted && 960 !ether_addr_equal(adapter->vfinfo[vf].vf_mac_addresses, new_mac)) { 961 e_warn(drv, 962 "VF %d attempted to override administratively set MAC address\n" 963 "Reload the VF driver to resume operations\n", 964 vf); 965 return -1; 966 } 967 968 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; 969 } 970 971 static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, 972 u32 *msgbuf, u32 vf) 973 { 974 u32 add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; 975 u32 vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); 976 u8 tcs = adapter->hw_tcs; 977 978 if (adapter->vfinfo[vf].pf_vlan || tcs) { 979 e_warn(drv, 980 "VF %d attempted to override administratively set VLAN configuration\n" 981 "Reload the VF driver to resume operations\n", 982 vf); 983 return -1; 984 } 985 986 /* VLAN 0 is a special case, don't allow it to be removed */ 987 if (!vid && !add) 988 return 0; 989 990 return ixgbe_set_vf_vlan(adapter, add, vid, vf); 991 } 992 993 static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, 994 u32 *msgbuf, u32 vf) 995 { 996 u8 *new_mac = ((u8 *)(&msgbuf[1])); 997 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> 998 IXGBE_VT_MSGINFO_SHIFT; 999 int err; 1000 1001 if (adapter->vfinfo[vf].pf_set_mac && !adapter->vfinfo[vf].trusted && 1002 index > 0) { 1003 e_warn(drv, 1004 "VF %d requested MACVLAN filter but is administratively denied\n", 1005 vf); 1006 return -1; 1007 } 1008 1009 /* An non-zero index indicates the VF is setting a filter */ 1010 if (index) { 1011 if (!is_valid_ether_addr(new_mac)) { 1012 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 1013 return -1; 1014 } 1015 1016 /* 1017 * If the VF is allowed to set MAC filters then turn off 1018 * anti-spoofing to avoid false positives. 1019 */ 1020 if (adapter->vfinfo[vf].spoofchk_enabled) { 1021 struct ixgbe_hw *hw = &adapter->hw; 1022 1023 hw->mac.ops.set_mac_anti_spoofing(hw, false, vf); 1024 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); 1025 } 1026 } 1027 1028 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); 1029 if (err == -ENOSPC) 1030 e_warn(drv, 1031 "VF %d has requested a MACVLAN filter but there is no space for it\n", 1032 vf); 1033 1034 return err < 0; 1035 } 1036 1037 static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter, 1038 u32 *msgbuf, u32 vf) 1039 { 1040 int api = msgbuf[1]; 1041 1042 switch (api) { 1043 case ixgbe_mbox_api_10: 1044 case ixgbe_mbox_api_11: 1045 case ixgbe_mbox_api_12: 1046 case ixgbe_mbox_api_13: 1047 case ixgbe_mbox_api_14: 1048 adapter->vfinfo[vf].vf_api = api; 1049 return 0; 1050 default: 1051 break; 1052 } 1053 1054 e_info(drv, "VF %d requested invalid api version %u\n", vf, api); 1055 1056 return -1; 1057 } 1058 1059 static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter, 1060 u32 *msgbuf, u32 vf) 1061 { 1062 struct net_device *dev = adapter->netdev; 1063 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 1064 unsigned int default_tc = 0; 1065 u8 num_tcs = adapter->hw_tcs; 1066 1067 /* verify the PF is supporting the correct APIs */ 1068 switch (adapter->vfinfo[vf].vf_api) { 1069 case ixgbe_mbox_api_20: 1070 case ixgbe_mbox_api_11: 1071 case ixgbe_mbox_api_12: 1072 case ixgbe_mbox_api_13: 1073 case ixgbe_mbox_api_14: 1074 break; 1075 default: 1076 return -1; 1077 } 1078 1079 /* only allow 1 Tx queue for bandwidth limiting */ 1080 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 1081 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 1082 1083 /* if TCs > 1 determine which TC belongs to default user priority */ 1084 if (num_tcs > 1) 1085 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up); 1086 1087 /* notify VF of need for VLAN tag stripping, and correct queue */ 1088 if (num_tcs) 1089 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs; 1090 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos) 1091 msgbuf[IXGBE_VF_TRANS_VLAN] = 1; 1092 else 1093 msgbuf[IXGBE_VF_TRANS_VLAN] = 0; 1094 1095 /* notify VF of default queue */ 1096 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc; 1097 1098 return 0; 1099 } 1100 1101 static int ixgbe_get_vf_reta(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) 1102 { 1103 u32 i, j; 1104 u32 *out_buf = &msgbuf[1]; 1105 const u8 *reta = adapter->rss_indir_tbl; 1106 u32 reta_size = ixgbe_rss_indir_tbl_entries(adapter); 1107 1108 /* Check if operation is permitted */ 1109 if (!adapter->vfinfo[vf].rss_query_enabled) 1110 return -EPERM; 1111 1112 /* verify the PF is supporting the correct API */ 1113 switch (adapter->vfinfo[vf].vf_api) { 1114 case ixgbe_mbox_api_14: 1115 case ixgbe_mbox_api_13: 1116 case ixgbe_mbox_api_12: 1117 break; 1118 default: 1119 return -EOPNOTSUPP; 1120 } 1121 1122 /* This mailbox command is supported (required) only for 82599 and x540 1123 * VFs which support up to 4 RSS queues. Therefore we will compress the 1124 * RETA by saving only 2 bits from each entry. This way we will be able 1125 * to transfer the whole RETA in a single mailbox operation. 1126 */ 1127 for (i = 0; i < reta_size / 16; i++) { 1128 out_buf[i] = 0; 1129 for (j = 0; j < 16; j++) 1130 out_buf[i] |= (u32)(reta[16 * i + j] & 0x3) << (2 * j); 1131 } 1132 1133 return 0; 1134 } 1135 1136 static int ixgbe_get_vf_rss_key(struct ixgbe_adapter *adapter, 1137 u32 *msgbuf, u32 vf) 1138 { 1139 u32 *rss_key = &msgbuf[1]; 1140 1141 /* Check if the operation is permitted */ 1142 if (!adapter->vfinfo[vf].rss_query_enabled) 1143 return -EPERM; 1144 1145 /* verify the PF is supporting the correct API */ 1146 switch (adapter->vfinfo[vf].vf_api) { 1147 case ixgbe_mbox_api_14: 1148 case ixgbe_mbox_api_13: 1149 case ixgbe_mbox_api_12: 1150 break; 1151 default: 1152 return -EOPNOTSUPP; 1153 } 1154 1155 memcpy(rss_key, adapter->rss_key, IXGBE_RSS_KEY_SIZE); 1156 1157 return 0; 1158 } 1159 1160 static int ixgbe_update_vf_xcast_mode(struct ixgbe_adapter *adapter, 1161 u32 *msgbuf, u32 vf) 1162 { 1163 struct ixgbe_hw *hw = &adapter->hw; 1164 int xcast_mode = msgbuf[1]; 1165 u32 vmolr, fctrl, disable, enable; 1166 1167 /* verify the PF is supporting the correct APIs */ 1168 switch (adapter->vfinfo[vf].vf_api) { 1169 case ixgbe_mbox_api_12: 1170 /* promisc introduced in 1.3 version */ 1171 if (xcast_mode == IXGBEVF_XCAST_MODE_PROMISC) 1172 return -EOPNOTSUPP; 1173 fallthrough; 1174 case ixgbe_mbox_api_13: 1175 case ixgbe_mbox_api_14: 1176 break; 1177 default: 1178 return -EOPNOTSUPP; 1179 } 1180 1181 if (xcast_mode > IXGBEVF_XCAST_MODE_MULTI && 1182 !adapter->vfinfo[vf].trusted) { 1183 xcast_mode = IXGBEVF_XCAST_MODE_MULTI; 1184 } 1185 1186 if (adapter->vfinfo[vf].xcast_mode == xcast_mode) 1187 goto out; 1188 1189 switch (xcast_mode) { 1190 case IXGBEVF_XCAST_MODE_NONE: 1191 disable = IXGBE_VMOLR_ROMPE | 1192 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1193 enable = IXGBE_VMOLR_BAM; 1194 break; 1195 case IXGBEVF_XCAST_MODE_MULTI: 1196 disable = IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1197 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE; 1198 break; 1199 case IXGBEVF_XCAST_MODE_ALLMULTI: 1200 disable = IXGBE_VMOLR_UPE | IXGBE_VMOLR_VPE; 1201 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | IXGBE_VMOLR_MPE; 1202 break; 1203 case IXGBEVF_XCAST_MODE_PROMISC: 1204 if (hw->mac.type <= ixgbe_mac_82599EB) 1205 return -EOPNOTSUPP; 1206 1207 fctrl = IXGBE_READ_REG(hw, IXGBE_FCTRL); 1208 if (!(fctrl & IXGBE_FCTRL_UPE)) { 1209 /* VF promisc requires PF in promisc */ 1210 e_warn(drv, 1211 "Enabling VF promisc requires PF in promisc\n"); 1212 return -EPERM; 1213 } 1214 1215 disable = IXGBE_VMOLR_VPE; 1216 enable = IXGBE_VMOLR_BAM | IXGBE_VMOLR_ROMPE | 1217 IXGBE_VMOLR_MPE | IXGBE_VMOLR_UPE; 1218 break; 1219 default: 1220 return -EOPNOTSUPP; 1221 } 1222 1223 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); 1224 vmolr &= ~disable; 1225 vmolr |= enable; 1226 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); 1227 1228 adapter->vfinfo[vf].xcast_mode = xcast_mode; 1229 1230 out: 1231 msgbuf[1] = xcast_mode; 1232 1233 return 0; 1234 } 1235 1236 static int ixgbe_get_vf_link_state(struct ixgbe_adapter *adapter, 1237 u32 *msgbuf, u32 vf) 1238 { 1239 u32 *link_state = &msgbuf[1]; 1240 1241 /* verify the PF is supporting the correct API */ 1242 switch (adapter->vfinfo[vf].vf_api) { 1243 case ixgbe_mbox_api_12: 1244 case ixgbe_mbox_api_13: 1245 case ixgbe_mbox_api_14: 1246 break; 1247 default: 1248 return -EOPNOTSUPP; 1249 } 1250 1251 *link_state = adapter->vfinfo[vf].link_enable; 1252 1253 return 0; 1254 } 1255 1256 static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) 1257 { 1258 u32 mbx_size = IXGBE_VFMAILBOX_SIZE; 1259 u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; 1260 struct ixgbe_hw *hw = &adapter->hw; 1261 s32 retval; 1262 1263 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); 1264 1265 if (retval) { 1266 pr_err("Error receiving message from VF\n"); 1267 return retval; 1268 } 1269 1270 /* this is a message we already processed, do nothing */ 1271 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) 1272 return 0; 1273 1274 /* flush the ack before we write any messages back */ 1275 IXGBE_WRITE_FLUSH(hw); 1276 1277 if (msgbuf[0] == IXGBE_VF_RESET) 1278 return ixgbe_vf_reset_msg(adapter, vf); 1279 1280 /* 1281 * until the vf completes a virtual function reset it should not be 1282 * allowed to start any configuration. 1283 */ 1284 if (!adapter->vfinfo[vf].clear_to_send) { 1285 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 1286 ixgbe_write_mbx(hw, msgbuf, 1, vf); 1287 return 0; 1288 } 1289 1290 switch ((msgbuf[0] & 0xFFFF)) { 1291 case IXGBE_VF_SET_MAC_ADDR: 1292 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); 1293 break; 1294 case IXGBE_VF_SET_MULTICAST: 1295 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); 1296 break; 1297 case IXGBE_VF_SET_VLAN: 1298 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); 1299 break; 1300 case IXGBE_VF_SET_LPE: 1301 retval = ixgbe_set_vf_lpe(adapter, msgbuf[1], vf); 1302 break; 1303 case IXGBE_VF_SET_MACVLAN: 1304 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); 1305 break; 1306 case IXGBE_VF_API_NEGOTIATE: 1307 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf); 1308 break; 1309 case IXGBE_VF_GET_QUEUES: 1310 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf); 1311 break; 1312 case IXGBE_VF_GET_RETA: 1313 retval = ixgbe_get_vf_reta(adapter, msgbuf, vf); 1314 break; 1315 case IXGBE_VF_GET_RSS_KEY: 1316 retval = ixgbe_get_vf_rss_key(adapter, msgbuf, vf); 1317 break; 1318 case IXGBE_VF_UPDATE_XCAST_MODE: 1319 retval = ixgbe_update_vf_xcast_mode(adapter, msgbuf, vf); 1320 break; 1321 case IXGBE_VF_GET_LINK_STATE: 1322 retval = ixgbe_get_vf_link_state(adapter, msgbuf, vf); 1323 break; 1324 case IXGBE_VF_IPSEC_ADD: 1325 retval = ixgbe_ipsec_vf_add_sa(adapter, msgbuf, vf); 1326 break; 1327 case IXGBE_VF_IPSEC_DEL: 1328 retval = ixgbe_ipsec_vf_del_sa(adapter, msgbuf, vf); 1329 break; 1330 default: 1331 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); 1332 retval = IXGBE_ERR_MBX; 1333 break; 1334 } 1335 1336 /* notify the VF of the results of what it sent us */ 1337 if (retval) 1338 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 1339 else 1340 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; 1341 1342 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; 1343 1344 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf); 1345 1346 return retval; 1347 } 1348 1349 static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) 1350 { 1351 struct ixgbe_hw *hw = &adapter->hw; 1352 u32 msg = IXGBE_VT_MSGTYPE_NACK; 1353 1354 /* if device isn't clear to send it shouldn't be reading either */ 1355 if (!adapter->vfinfo[vf].clear_to_send) 1356 ixgbe_write_mbx(hw, &msg, 1, vf); 1357 } 1358 1359 void ixgbe_msg_task(struct ixgbe_adapter *adapter) 1360 { 1361 struct ixgbe_hw *hw = &adapter->hw; 1362 unsigned long flags; 1363 u32 vf; 1364 1365 spin_lock_irqsave(&adapter->vfs_lock, flags); 1366 for (vf = 0; vf < adapter->num_vfs; vf++) { 1367 /* process any reset requests */ 1368 if (!ixgbe_check_for_rst(hw, vf)) 1369 ixgbe_vf_reset_event(adapter, vf); 1370 1371 /* process any messages pending */ 1372 if (!ixgbe_check_for_msg(hw, vf)) 1373 ixgbe_rcv_msg_from_vf(adapter, vf); 1374 1375 /* process any acks */ 1376 if (!ixgbe_check_for_ack(hw, vf)) 1377 ixgbe_rcv_ack_from_vf(adapter, vf); 1378 } 1379 spin_unlock_irqrestore(&adapter->vfs_lock, flags); 1380 } 1381 1382 static inline void ixgbe_ping_vf(struct ixgbe_adapter *adapter, int vf) 1383 { 1384 struct ixgbe_hw *hw = &adapter->hw; 1385 u32 ping; 1386 1387 ping = IXGBE_PF_CONTROL_MSG; 1388 if (adapter->vfinfo[vf].clear_to_send) 1389 ping |= IXGBE_VT_MSGTYPE_CTS; 1390 ixgbe_write_mbx(hw, &ping, 1, vf); 1391 } 1392 1393 void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) 1394 { 1395 struct ixgbe_hw *hw = &adapter->hw; 1396 u32 ping; 1397 int i; 1398 1399 for (i = 0 ; i < adapter->num_vfs; i++) { 1400 ping = IXGBE_PF_CONTROL_MSG; 1401 if (adapter->vfinfo[i].clear_to_send) 1402 ping |= IXGBE_VT_MSGTYPE_CTS; 1403 ixgbe_write_mbx(hw, &ping, 1, i); 1404 } 1405 } 1406 1407 /** 1408 * ixgbe_set_all_vfs - update vfs queues 1409 * @adapter: Pointer to adapter struct 1410 * 1411 * Update setting transmit and receive queues for all vfs 1412 **/ 1413 void ixgbe_set_all_vfs(struct ixgbe_adapter *adapter) 1414 { 1415 int i; 1416 1417 for (i = 0 ; i < adapter->num_vfs; i++) 1418 ixgbe_set_vf_link_state(adapter, i, 1419 adapter->vfinfo[i].link_state); 1420 } 1421 1422 int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) 1423 { 1424 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1425 s32 retval; 1426 1427 if (vf >= adapter->num_vfs) 1428 return -EINVAL; 1429 1430 if (is_valid_ether_addr(mac)) { 1431 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", 1432 mac, vf); 1433 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this change effective."); 1434 1435 retval = ixgbe_set_vf_mac(adapter, vf, mac); 1436 if (retval >= 0) { 1437 adapter->vfinfo[vf].pf_set_mac = true; 1438 1439 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1440 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set, but the PF device is not up.\n"); 1441 dev_warn(&adapter->pdev->dev, "Bring the PF device up before attempting to use the VF device.\n"); 1442 } 1443 } else { 1444 dev_warn(&adapter->pdev->dev, "The VF MAC address was NOT set due to invalid or duplicate MAC address.\n"); 1445 } 1446 } else if (is_zero_ether_addr(mac)) { 1447 unsigned char *vf_mac_addr = 1448 adapter->vfinfo[vf].vf_mac_addresses; 1449 1450 /* nothing to do */ 1451 if (is_zero_ether_addr(vf_mac_addr)) 1452 return 0; 1453 1454 dev_info(&adapter->pdev->dev, "removing MAC on VF %d\n", vf); 1455 1456 retval = ixgbe_del_mac_filter(adapter, vf_mac_addr, vf); 1457 if (retval >= 0) { 1458 adapter->vfinfo[vf].pf_set_mac = false; 1459 memcpy(vf_mac_addr, mac, ETH_ALEN); 1460 } else { 1461 dev_warn(&adapter->pdev->dev, "Could NOT remove the VF MAC address.\n"); 1462 } 1463 } else { 1464 retval = -EINVAL; 1465 } 1466 1467 return retval; 1468 } 1469 1470 static int ixgbe_enable_port_vlan(struct ixgbe_adapter *adapter, int vf, 1471 u16 vlan, u8 qos) 1472 { 1473 struct ixgbe_hw *hw = &adapter->hw; 1474 int err; 1475 1476 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); 1477 if (err) 1478 goto out; 1479 1480 /* Revoke tagless access via VLAN 0 */ 1481 ixgbe_set_vf_vlan(adapter, false, 0, vf); 1482 1483 ixgbe_set_vmvir(adapter, vlan, qos, vf); 1484 ixgbe_set_vmolr(hw, vf, false); 1485 1486 /* enable hide vlan on X550 */ 1487 if (hw->mac.type >= ixgbe_mac_X550) 1488 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE | 1489 IXGBE_QDE_HIDE_VLAN); 1490 1491 adapter->vfinfo[vf].pf_vlan = vlan; 1492 adapter->vfinfo[vf].pf_qos = qos; 1493 dev_info(&adapter->pdev->dev, 1494 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); 1495 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1496 dev_warn(&adapter->pdev->dev, 1497 "The VF VLAN has been set, but the PF device is not up.\n"); 1498 dev_warn(&adapter->pdev->dev, 1499 "Bring the PF device up before attempting to use the VF device.\n"); 1500 } 1501 1502 out: 1503 return err; 1504 } 1505 1506 static int ixgbe_disable_port_vlan(struct ixgbe_adapter *adapter, int vf) 1507 { 1508 struct ixgbe_hw *hw = &adapter->hw; 1509 int err; 1510 1511 err = ixgbe_set_vf_vlan(adapter, false, 1512 adapter->vfinfo[vf].pf_vlan, vf); 1513 /* Restore tagless access via VLAN 0 */ 1514 ixgbe_set_vf_vlan(adapter, true, 0, vf); 1515 ixgbe_clear_vmvir(adapter, vf); 1516 ixgbe_set_vmolr(hw, vf, true); 1517 1518 /* disable hide VLAN on X550 */ 1519 if (hw->mac.type >= ixgbe_mac_X550) 1520 ixgbe_write_qde(adapter, vf, IXGBE_QDE_ENABLE); 1521 1522 adapter->vfinfo[vf].pf_vlan = 0; 1523 adapter->vfinfo[vf].pf_qos = 0; 1524 1525 return err; 1526 } 1527 1528 int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, 1529 u8 qos, __be16 vlan_proto) 1530 { 1531 int err = 0; 1532 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1533 1534 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) 1535 return -EINVAL; 1536 if (vlan_proto != htons(ETH_P_8021Q)) 1537 return -EPROTONOSUPPORT; 1538 if (vlan || qos) { 1539 /* Check if there is already a port VLAN set, if so 1540 * we have to delete the old one first before we 1541 * can set the new one. The usage model had 1542 * previously assumed the user would delete the 1543 * old port VLAN before setting a new one but this 1544 * is not necessarily the case. 1545 */ 1546 if (adapter->vfinfo[vf].pf_vlan) 1547 err = ixgbe_disable_port_vlan(adapter, vf); 1548 if (err) 1549 goto out; 1550 err = ixgbe_enable_port_vlan(adapter, vf, vlan, qos); 1551 } else { 1552 err = ixgbe_disable_port_vlan(adapter, vf); 1553 } 1554 1555 out: 1556 return err; 1557 } 1558 1559 int ixgbe_link_mbps(struct ixgbe_adapter *adapter) 1560 { 1561 switch (adapter->link_speed) { 1562 case IXGBE_LINK_SPEED_100_FULL: 1563 return 100; 1564 case IXGBE_LINK_SPEED_1GB_FULL: 1565 return 1000; 1566 case IXGBE_LINK_SPEED_10GB_FULL: 1567 return 10000; 1568 default: 1569 return 0; 1570 } 1571 } 1572 1573 static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf) 1574 { 1575 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 1576 struct ixgbe_hw *hw = &adapter->hw; 1577 u32 bcnrc_val = 0; 1578 u16 queue, queues_per_pool; 1579 u16 tx_rate = adapter->vfinfo[vf].tx_rate; 1580 1581 if (tx_rate) { 1582 /* start with base link speed value */ 1583 bcnrc_val = adapter->vf_rate_link_speed; 1584 1585 /* Calculate the rate factor values to set */ 1586 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT; 1587 bcnrc_val /= tx_rate; 1588 1589 /* clear everything but the rate factor */ 1590 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK | 1591 IXGBE_RTTBCNRC_RF_DEC_MASK; 1592 1593 /* enable the rate scheduler */ 1594 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA; 1595 } 1596 1597 /* 1598 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM 1599 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported 1600 * and 0x004 otherwise. 1601 */ 1602 switch (hw->mac.type) { 1603 case ixgbe_mac_82599EB: 1604 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4); 1605 break; 1606 case ixgbe_mac_X540: 1607 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14); 1608 break; 1609 default: 1610 break; 1611 } 1612 1613 /* determine how many queues per pool based on VMDq mask */ 1614 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 1615 1616 /* write value for all Tx queues belonging to VF */ 1617 for (queue = 0; queue < queues_per_pool; queue++) { 1618 unsigned int reg_idx = (vf * queues_per_pool) + queue; 1619 1620 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx); 1621 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); 1622 } 1623 } 1624 1625 void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) 1626 { 1627 int i; 1628 1629 /* VF Tx rate limit was not set */ 1630 if (!adapter->vf_rate_link_speed) 1631 return; 1632 1633 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) { 1634 adapter->vf_rate_link_speed = 0; 1635 dev_info(&adapter->pdev->dev, 1636 "Link speed has been changed. VF Transmit rate is disabled\n"); 1637 } 1638 1639 for (i = 0; i < adapter->num_vfs; i++) { 1640 if (!adapter->vf_rate_link_speed) 1641 adapter->vfinfo[i].tx_rate = 0; 1642 1643 ixgbe_set_vf_rate_limit(adapter, i); 1644 } 1645 } 1646 1647 int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int min_tx_rate, 1648 int max_tx_rate) 1649 { 1650 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1651 int link_speed; 1652 1653 /* verify VF is active */ 1654 if (vf >= adapter->num_vfs) 1655 return -EINVAL; 1656 1657 /* verify link is up */ 1658 if (!adapter->link_up) 1659 return -EINVAL; 1660 1661 /* verify we are linked at 10Gbps */ 1662 link_speed = ixgbe_link_mbps(adapter); 1663 if (link_speed != 10000) 1664 return -EINVAL; 1665 1666 if (min_tx_rate) 1667 return -EINVAL; 1668 1669 /* rate limit cannot be less than 10Mbs or greater than link speed */ 1670 if (max_tx_rate && ((max_tx_rate <= 10) || (max_tx_rate > link_speed))) 1671 return -EINVAL; 1672 1673 /* store values */ 1674 adapter->vf_rate_link_speed = link_speed; 1675 adapter->vfinfo[vf].tx_rate = max_tx_rate; 1676 1677 /* update hardware configuration */ 1678 ixgbe_set_vf_rate_limit(adapter, vf); 1679 1680 return 0; 1681 } 1682 1683 int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) 1684 { 1685 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1686 struct ixgbe_hw *hw = &adapter->hw; 1687 1688 if (vf >= adapter->num_vfs) 1689 return -EINVAL; 1690 1691 adapter->vfinfo[vf].spoofchk_enabled = setting; 1692 1693 /* configure MAC spoofing */ 1694 hw->mac.ops.set_mac_anti_spoofing(hw, setting, vf); 1695 1696 /* configure VLAN spoofing */ 1697 hw->mac.ops.set_vlan_anti_spoofing(hw, setting, vf); 1698 1699 /* Ensure LLDP and FC is set for Ethertype Antispoofing if we will be 1700 * calling set_ethertype_anti_spoofing for each VF in loop below 1701 */ 1702 if (hw->mac.ops.set_ethertype_anti_spoofing) { 1703 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_LLDP), 1704 (IXGBE_ETQF_FILTER_EN | 1705 IXGBE_ETQF_TX_ANTISPOOF | 1706 ETH_P_LLDP)); 1707 1708 IXGBE_WRITE_REG(hw, IXGBE_ETQF(IXGBE_ETQF_FILTER_FC), 1709 (IXGBE_ETQF_FILTER_EN | 1710 IXGBE_ETQF_TX_ANTISPOOF | 1711 ETH_P_PAUSE)); 1712 1713 hw->mac.ops.set_ethertype_anti_spoofing(hw, setting, vf); 1714 } 1715 1716 return 0; 1717 } 1718 1719 /** 1720 * ixgbe_set_vf_link_state - Set link state 1721 * @adapter: Pointer to adapter struct 1722 * @vf: VF identifier 1723 * @state: required link state 1724 * 1725 * Set a link force state on/off a single vf 1726 **/ 1727 void ixgbe_set_vf_link_state(struct ixgbe_adapter *adapter, int vf, int state) 1728 { 1729 adapter->vfinfo[vf].link_state = state; 1730 1731 switch (state) { 1732 case IFLA_VF_LINK_STATE_AUTO: 1733 if (test_bit(__IXGBE_DOWN, &adapter->state)) 1734 adapter->vfinfo[vf].link_enable = false; 1735 else 1736 adapter->vfinfo[vf].link_enable = true; 1737 break; 1738 case IFLA_VF_LINK_STATE_ENABLE: 1739 adapter->vfinfo[vf].link_enable = true; 1740 break; 1741 case IFLA_VF_LINK_STATE_DISABLE: 1742 adapter->vfinfo[vf].link_enable = false; 1743 break; 1744 } 1745 1746 ixgbe_set_vf_rx_tx(adapter, vf); 1747 1748 /* restart the VF */ 1749 adapter->vfinfo[vf].clear_to_send = false; 1750 ixgbe_ping_vf(adapter, vf); 1751 } 1752 1753 /** 1754 * ixgbe_ndo_set_vf_link_state - Set link state 1755 * @netdev: network interface device structure 1756 * @vf: VF identifier 1757 * @state: required link state 1758 * 1759 * Set the link state of a specified VF, regardless of physical link state 1760 **/ 1761 int ixgbe_ndo_set_vf_link_state(struct net_device *netdev, int vf, int state) 1762 { 1763 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1764 int ret = 0; 1765 1766 if (vf < 0 || vf >= adapter->num_vfs) { 1767 dev_err(&adapter->pdev->dev, 1768 "NDO set VF link - invalid VF identifier %d\n", vf); 1769 return -EINVAL; 1770 } 1771 1772 switch (state) { 1773 case IFLA_VF_LINK_STATE_ENABLE: 1774 dev_info(&adapter->pdev->dev, 1775 "NDO set VF %d link state %d - not supported\n", 1776 vf, state); 1777 break; 1778 case IFLA_VF_LINK_STATE_DISABLE: 1779 dev_info(&adapter->pdev->dev, 1780 "NDO set VF %d link state disable\n", vf); 1781 ixgbe_set_vf_link_state(adapter, vf, state); 1782 break; 1783 case IFLA_VF_LINK_STATE_AUTO: 1784 dev_info(&adapter->pdev->dev, 1785 "NDO set VF %d link state auto\n", vf); 1786 ixgbe_set_vf_link_state(adapter, vf, state); 1787 break; 1788 default: 1789 dev_err(&adapter->pdev->dev, 1790 "NDO set VF %d - invalid link state %d\n", vf, state); 1791 ret = -EINVAL; 1792 } 1793 1794 return ret; 1795 } 1796 1797 int ixgbe_ndo_set_vf_rss_query_en(struct net_device *netdev, int vf, 1798 bool setting) 1799 { 1800 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1801 1802 /* This operation is currently supported only for 82599 and x540 1803 * devices. 1804 */ 1805 if (adapter->hw.mac.type < ixgbe_mac_82599EB || 1806 adapter->hw.mac.type >= ixgbe_mac_X550) 1807 return -EOPNOTSUPP; 1808 1809 if (vf >= adapter->num_vfs) 1810 return -EINVAL; 1811 1812 adapter->vfinfo[vf].rss_query_enabled = setting; 1813 1814 return 0; 1815 } 1816 1817 int ixgbe_ndo_set_vf_trust(struct net_device *netdev, int vf, bool setting) 1818 { 1819 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1820 1821 if (vf >= adapter->num_vfs) 1822 return -EINVAL; 1823 1824 /* nothing to do */ 1825 if (adapter->vfinfo[vf].trusted == setting) 1826 return 0; 1827 1828 adapter->vfinfo[vf].trusted = setting; 1829 1830 /* reset VF to reconfigure features */ 1831 adapter->vfinfo[vf].clear_to_send = false; 1832 ixgbe_ping_vf(adapter, vf); 1833 1834 e_info(drv, "VF %u is %strusted\n", vf, setting ? "" : "not "); 1835 1836 return 0; 1837 } 1838 1839 int ixgbe_ndo_get_vf_config(struct net_device *netdev, 1840 int vf, struct ifla_vf_info *ivi) 1841 { 1842 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1843 if (vf >= adapter->num_vfs) 1844 return -EINVAL; 1845 ivi->vf = vf; 1846 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); 1847 ivi->max_tx_rate = adapter->vfinfo[vf].tx_rate; 1848 ivi->min_tx_rate = 0; 1849 ivi->vlan = adapter->vfinfo[vf].pf_vlan; 1850 ivi->qos = adapter->vfinfo[vf].pf_qos; 1851 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; 1852 ivi->rss_query_en = adapter->vfinfo[vf].rss_query_enabled; 1853 ivi->trusted = adapter->vfinfo[vf].trusted; 1854 return 0; 1855 } 1856