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