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