1 /******************************************************************************* 2 3 Intel 10 Gigabit PCI Express Linux driver 4 Copyright(c) 1999 - 2013 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 24 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 25 26 *******************************************************************************/ 27 28 #include <linux/types.h> 29 #include <linux/module.h> 30 #include <linux/pci.h> 31 #include <linux/netdevice.h> 32 #include <linux/vmalloc.h> 33 #include <linux/string.h> 34 #include <linux/in.h> 35 #include <linux/ip.h> 36 #include <linux/tcp.h> 37 #include <linux/ipv6.h> 38 #ifdef NETIF_F_HW_VLAN_TX 39 #include <linux/if_vlan.h> 40 #endif 41 42 #include "ixgbe.h" 43 #include "ixgbe_type.h" 44 #include "ixgbe_sriov.h" 45 46 #ifdef CONFIG_PCI_IOV 47 static int __ixgbe_enable_sriov(struct ixgbe_adapter *adapter) 48 { 49 struct ixgbe_hw *hw = &adapter->hw; 50 int num_vf_macvlans, i; 51 struct vf_macvlans *mv_list; 52 53 adapter->flags |= IXGBE_FLAG_SRIOV_ENABLED; 54 e_info(probe, "SR-IOV enabled with %d VFs\n", adapter->num_vfs); 55 56 /* Enable VMDq flag so device will be set in VM mode */ 57 adapter->flags |= IXGBE_FLAG_VMDQ_ENABLED; 58 if (!adapter->ring_feature[RING_F_VMDQ].limit) 59 adapter->ring_feature[RING_F_VMDQ].limit = 1; 60 adapter->ring_feature[RING_F_VMDQ].offset = adapter->num_vfs; 61 62 num_vf_macvlans = hw->mac.num_rar_entries - 63 (IXGBE_MAX_PF_MACVLANS + 1 + adapter->num_vfs); 64 65 adapter->mv_list = mv_list = kcalloc(num_vf_macvlans, 66 sizeof(struct vf_macvlans), 67 GFP_KERNEL); 68 if (mv_list) { 69 /* Initialize list of VF macvlans */ 70 INIT_LIST_HEAD(&adapter->vf_mvs.l); 71 for (i = 0; i < num_vf_macvlans; i++) { 72 mv_list->vf = -1; 73 mv_list->free = true; 74 mv_list->rar_entry = hw->mac.num_rar_entries - 75 (i + adapter->num_vfs + 1); 76 list_add(&mv_list->l, &adapter->vf_mvs.l); 77 mv_list++; 78 } 79 } 80 81 /* Initialize default switching mode VEB */ 82 IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN); 83 adapter->flags2 |= IXGBE_FLAG2_BRIDGE_MODE_VEB; 84 85 /* If call to enable VFs succeeded then allocate memory 86 * for per VF control structures. 87 */ 88 adapter->vfinfo = 89 kcalloc(adapter->num_vfs, 90 sizeof(struct vf_data_storage), GFP_KERNEL); 91 if (adapter->vfinfo) { 92 /* limit trafffic classes based on VFs enabled */ 93 if ((adapter->hw.mac.type == ixgbe_mac_82599EB) && 94 (adapter->num_vfs < 16)) { 95 adapter->dcb_cfg.num_tcs.pg_tcs = MAX_TRAFFIC_CLASS; 96 adapter->dcb_cfg.num_tcs.pfc_tcs = MAX_TRAFFIC_CLASS; 97 } else if (adapter->num_vfs < 32) { 98 adapter->dcb_cfg.num_tcs.pg_tcs = 4; 99 adapter->dcb_cfg.num_tcs.pfc_tcs = 4; 100 } else { 101 adapter->dcb_cfg.num_tcs.pg_tcs = 1; 102 adapter->dcb_cfg.num_tcs.pfc_tcs = 1; 103 } 104 105 /* We do not support RSS w/ SR-IOV */ 106 adapter->ring_feature[RING_F_RSS].limit = 1; 107 108 /* Disable RSC when in SR-IOV mode */ 109 adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE | 110 IXGBE_FLAG2_RSC_ENABLED); 111 112 /* enable spoof checking for all VFs */ 113 for (i = 0; i < adapter->num_vfs; i++) 114 adapter->vfinfo[i].spoofchk_enabled = true; 115 return 0; 116 } 117 118 return -ENOMEM; 119 } 120 121 /* Note this function is called when the user wants to enable SR-IOV 122 * VFs using the now deprecated module parameter 123 */ 124 void ixgbe_enable_sriov(struct ixgbe_adapter *adapter) 125 { 126 int pre_existing_vfs = 0; 127 128 pre_existing_vfs = pci_num_vf(adapter->pdev); 129 if (!pre_existing_vfs && !adapter->num_vfs) 130 return; 131 132 if (!pre_existing_vfs) 133 dev_warn(&adapter->pdev->dev, 134 "Enabling SR-IOV VFs using the module parameter is deprecated - please use the pci sysfs interface.\n"); 135 136 /* If there are pre-existing VFs then we have to force 137 * use of that many - over ride any module parameter value. 138 * This may result from the user unloading the PF driver 139 * while VFs were assigned to guest VMs or because the VFs 140 * have been created via the new PCI SR-IOV sysfs interface. 141 */ 142 if (pre_existing_vfs) { 143 adapter->num_vfs = pre_existing_vfs; 144 dev_warn(&adapter->pdev->dev, 145 "Virtual Functions already enabled for this device - Please reload all VF drivers to avoid spoofed packet errors\n"); 146 } else { 147 int err; 148 /* 149 * The 82599 supports up to 64 VFs per physical function 150 * but this implementation limits allocation to 63 so that 151 * basic networking resources are still available to the 152 * physical function. If the user requests greater thn 153 * 63 VFs then it is an error - reset to default of zero. 154 */ 155 adapter->num_vfs = min_t(unsigned int, adapter->num_vfs, 63); 156 157 err = pci_enable_sriov(adapter->pdev, adapter->num_vfs); 158 if (err) { 159 e_err(probe, "Failed to enable PCI sriov: %d\n", err); 160 adapter->num_vfs = 0; 161 return; 162 } 163 } 164 165 if (!__ixgbe_enable_sriov(adapter)) 166 return; 167 168 /* If we have gotten to this point then there is no memory available 169 * to manage the VF devices - print message and bail. 170 */ 171 e_err(probe, "Unable to allocate memory for VF Data Storage - " 172 "SRIOV disabled\n"); 173 ixgbe_disable_sriov(adapter); 174 } 175 176 static bool ixgbe_vfs_are_assigned(struct ixgbe_adapter *adapter) 177 { 178 struct pci_dev *pdev = adapter->pdev; 179 struct pci_dev *vfdev; 180 int dev_id; 181 182 switch (adapter->hw.mac.type) { 183 case ixgbe_mac_82599EB: 184 dev_id = IXGBE_DEV_ID_82599_VF; 185 break; 186 case ixgbe_mac_X540: 187 dev_id = IXGBE_DEV_ID_X540_VF; 188 break; 189 default: 190 return false; 191 } 192 193 /* loop through all the VFs to see if we own any that are assigned */ 194 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, dev_id, NULL); 195 while (vfdev) { 196 /* if we don't own it we don't care */ 197 if (vfdev->is_virtfn && vfdev->physfn == pdev) { 198 /* if it is assigned we cannot release it */ 199 if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) 200 return true; 201 } 202 203 vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, dev_id, vfdev); 204 } 205 206 return false; 207 } 208 209 #endif /* #ifdef CONFIG_PCI_IOV */ 210 int ixgbe_disable_sriov(struct ixgbe_adapter *adapter) 211 { 212 struct ixgbe_hw *hw = &adapter->hw; 213 u32 gpie; 214 u32 vmdctl; 215 int rss; 216 217 /* set num VFs to 0 to prevent access to vfinfo */ 218 adapter->num_vfs = 0; 219 220 /* free VF control structures */ 221 kfree(adapter->vfinfo); 222 adapter->vfinfo = NULL; 223 224 /* free macvlan list */ 225 kfree(adapter->mv_list); 226 adapter->mv_list = NULL; 227 228 /* if SR-IOV is already disabled then there is nothing to do */ 229 if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED)) 230 return 0; 231 232 #ifdef CONFIG_PCI_IOV 233 /* 234 * If our VFs are assigned we cannot shut down SR-IOV 235 * without causing issues, so just leave the hardware 236 * available but disabled 237 */ 238 if (ixgbe_vfs_are_assigned(adapter)) { 239 e_dev_warn("Unloading driver while VFs are assigned - VFs will not be deallocated\n"); 240 return -EPERM; 241 } 242 /* disable iov and allow time for transactions to clear */ 243 pci_disable_sriov(adapter->pdev); 244 #endif 245 246 /* turn off device IOV mode */ 247 IXGBE_WRITE_REG(hw, IXGBE_GCR_EXT, 0); 248 gpie = IXGBE_READ_REG(hw, IXGBE_GPIE); 249 gpie &= ~IXGBE_GPIE_VTMODE_MASK; 250 IXGBE_WRITE_REG(hw, IXGBE_GPIE, gpie); 251 252 /* set default pool back to 0 */ 253 vmdctl = IXGBE_READ_REG(hw, IXGBE_VT_CTL); 254 vmdctl &= ~IXGBE_VT_CTL_POOL_MASK; 255 IXGBE_WRITE_REG(hw, IXGBE_VT_CTL, vmdctl); 256 IXGBE_WRITE_FLUSH(hw); 257 258 /* Disable VMDq flag so device will be set in VM mode */ 259 if (adapter->ring_feature[RING_F_VMDQ].limit == 1) 260 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED; 261 adapter->ring_feature[RING_F_VMDQ].offset = 0; 262 263 rss = min_t(int, IXGBE_MAX_RSS_INDICES, num_online_cpus()); 264 adapter->ring_feature[RING_F_RSS].limit = rss; 265 266 /* take a breather then clean up driver data */ 267 msleep(100); 268 269 adapter->flags &= ~IXGBE_FLAG_SRIOV_ENABLED; 270 return 0; 271 } 272 273 static int ixgbe_pci_sriov_enable(struct pci_dev *dev, int num_vfs) 274 { 275 #ifdef CONFIG_PCI_IOV 276 struct ixgbe_adapter *adapter = pci_get_drvdata(dev); 277 int err = 0; 278 int i; 279 int pre_existing_vfs = pci_num_vf(dev); 280 281 if (pre_existing_vfs && pre_existing_vfs != num_vfs) 282 err = ixgbe_disable_sriov(adapter); 283 else if (pre_existing_vfs && pre_existing_vfs == num_vfs) 284 goto out; 285 286 if (err) 287 goto err_out; 288 289 /* While the SR-IOV capability structure reports total VFs to be 290 * 64 we limit the actual number that can be allocated to 63 so 291 * that some transmit/receive resources can be reserved to the 292 * PF. The PCI bus driver already checks for other values out of 293 * range. 294 */ 295 if (num_vfs > 63) { 296 err = -EPERM; 297 goto err_out; 298 } 299 300 adapter->num_vfs = num_vfs; 301 302 err = __ixgbe_enable_sriov(adapter); 303 if (err) 304 goto err_out; 305 306 for (i = 0; i < adapter->num_vfs; i++) 307 ixgbe_vf_configuration(dev, (i | 0x10000000)); 308 309 err = pci_enable_sriov(dev, num_vfs); 310 if (err) { 311 e_dev_warn("Failed to enable PCI sriov: %d\n", err); 312 goto err_out; 313 } 314 ixgbe_sriov_reinit(adapter); 315 316 out: 317 return num_vfs; 318 319 err_out: 320 return err; 321 #endif 322 return 0; 323 } 324 325 static int ixgbe_pci_sriov_disable(struct pci_dev *dev) 326 { 327 struct ixgbe_adapter *adapter = pci_get_drvdata(dev); 328 int err; 329 u32 current_flags = adapter->flags; 330 331 err = ixgbe_disable_sriov(adapter); 332 333 /* Only reinit if no error and state changed */ 334 if (!err && current_flags != adapter->flags) { 335 /* ixgbe_disable_sriov() doesn't clear VMDQ flag */ 336 adapter->flags &= ~IXGBE_FLAG_VMDQ_ENABLED; 337 #ifdef CONFIG_PCI_IOV 338 ixgbe_sriov_reinit(adapter); 339 #endif 340 } 341 342 return err; 343 } 344 345 int ixgbe_pci_sriov_configure(struct pci_dev *dev, int num_vfs) 346 { 347 if (num_vfs == 0) 348 return ixgbe_pci_sriov_disable(dev); 349 else 350 return ixgbe_pci_sriov_enable(dev, num_vfs); 351 } 352 353 static int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter, 354 u32 *msgbuf, u32 vf) 355 { 356 int entries = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) 357 >> IXGBE_VT_MSGINFO_SHIFT; 358 u16 *hash_list = (u16 *)&msgbuf[1]; 359 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; 360 struct ixgbe_hw *hw = &adapter->hw; 361 int i; 362 u32 vector_bit; 363 u32 vector_reg; 364 u32 mta_reg; 365 366 /* only so many hash values supported */ 367 entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES); 368 369 /* 370 * salt away the number of multi cast addresses assigned 371 * to this VF for later use to restore when the PF multi cast 372 * list changes 373 */ 374 vfinfo->num_vf_mc_hashes = entries; 375 376 /* 377 * VFs are limited to using the MTA hash table for their multicast 378 * addresses 379 */ 380 for (i = 0; i < entries; i++) { 381 vfinfo->vf_mc_hashes[i] = hash_list[i]; 382 } 383 384 for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) { 385 vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F; 386 vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F; 387 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); 388 mta_reg |= (1 << vector_bit); 389 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); 390 } 391 392 return 0; 393 } 394 395 static void ixgbe_restore_vf_macvlans(struct ixgbe_adapter *adapter) 396 { 397 struct ixgbe_hw *hw = &adapter->hw; 398 struct list_head *pos; 399 struct vf_macvlans *entry; 400 401 list_for_each(pos, &adapter->vf_mvs.l) { 402 entry = list_entry(pos, struct vf_macvlans, l); 403 if (!entry->free) 404 hw->mac.ops.set_rar(hw, entry->rar_entry, 405 entry->vf_macvlan, 406 entry->vf, IXGBE_RAH_AV); 407 } 408 } 409 410 void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter) 411 { 412 struct ixgbe_hw *hw = &adapter->hw; 413 struct vf_data_storage *vfinfo; 414 int i, j; 415 u32 vector_bit; 416 u32 vector_reg; 417 u32 mta_reg; 418 419 for (i = 0; i < adapter->num_vfs; i++) { 420 vfinfo = &adapter->vfinfo[i]; 421 for (j = 0; j < vfinfo->num_vf_mc_hashes; j++) { 422 hw->addr_ctrl.mta_in_use++; 423 vector_reg = (vfinfo->vf_mc_hashes[j] >> 5) & 0x7F; 424 vector_bit = vfinfo->vf_mc_hashes[j] & 0x1F; 425 mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg)); 426 mta_reg |= (1 << vector_bit); 427 IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg); 428 } 429 } 430 431 /* Restore any VF macvlans */ 432 ixgbe_restore_vf_macvlans(adapter); 433 } 434 435 static int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, 436 u32 vf) 437 { 438 /* VLAN 0 is a special case, don't allow it to be removed */ 439 if (!vid && !add) 440 return 0; 441 442 return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add); 443 } 444 445 static s32 ixgbe_set_vf_lpe(struct ixgbe_adapter *adapter, u32 *msgbuf, u32 vf) 446 { 447 struct ixgbe_hw *hw = &adapter->hw; 448 int max_frame = msgbuf[1]; 449 u32 max_frs; 450 451 /* 452 * For 82599EB we have to keep all PFs and VFs operating with 453 * the same max_frame value in order to avoid sending an oversize 454 * frame to a VF. In order to guarantee this is handled correctly 455 * for all cases we have several special exceptions to take into 456 * account before we can enable the VF for receive 457 */ 458 if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 459 struct net_device *dev = adapter->netdev; 460 int pf_max_frame = dev->mtu + ETH_HLEN; 461 u32 reg_offset, vf_shift, vfre; 462 s32 err = 0; 463 464 #ifdef CONFIG_FCOE 465 if (dev->features & NETIF_F_FCOE_MTU) 466 pf_max_frame = max_t(int, pf_max_frame, 467 IXGBE_FCOE_JUMBO_FRAME_SIZE); 468 469 #endif /* CONFIG_FCOE */ 470 switch (adapter->vfinfo[vf].vf_api) { 471 case ixgbe_mbox_api_11: 472 /* 473 * Version 1.1 supports jumbo frames on VFs if PF has 474 * jumbo frames enabled which means legacy VFs are 475 * disabled 476 */ 477 if (pf_max_frame > ETH_FRAME_LEN) 478 break; 479 default: 480 /* 481 * If the PF or VF are running w/ jumbo frames enabled 482 * we need to shut down the VF Rx path as we cannot 483 * support jumbo frames on legacy VFs 484 */ 485 if ((pf_max_frame > ETH_FRAME_LEN) || 486 (max_frame > (ETH_FRAME_LEN + ETH_FCS_LEN))) 487 err = -EINVAL; 488 break; 489 } 490 491 /* determine VF receive enable location */ 492 vf_shift = vf % 32; 493 reg_offset = vf / 32; 494 495 /* enable or disable receive depending on error */ 496 vfre = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); 497 if (err) 498 vfre &= ~(1 << vf_shift); 499 else 500 vfre |= 1 << vf_shift; 501 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), vfre); 502 503 if (err) { 504 e_err(drv, "VF max_frame %d out of range\n", max_frame); 505 return err; 506 } 507 } 508 509 /* MTU < 68 is an error and causes problems on some kernels */ 510 if (max_frame > IXGBE_MAX_JUMBO_FRAME_SIZE) { 511 e_err(drv, "VF max_frame %d out of range\n", max_frame); 512 return -EINVAL; 513 } 514 515 /* pull current max frame size from hardware */ 516 max_frs = IXGBE_READ_REG(hw, IXGBE_MAXFRS); 517 max_frs &= IXGBE_MHADD_MFS_MASK; 518 max_frs >>= IXGBE_MHADD_MFS_SHIFT; 519 520 if (max_frs < max_frame) { 521 max_frs = max_frame << IXGBE_MHADD_MFS_SHIFT; 522 IXGBE_WRITE_REG(hw, IXGBE_MAXFRS, max_frs); 523 } 524 525 e_info(hw, "VF requests change max MTU to %d\n", max_frame); 526 527 return 0; 528 } 529 530 static void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe) 531 { 532 u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf)); 533 vmolr |= (IXGBE_VMOLR_ROMPE | 534 IXGBE_VMOLR_BAM); 535 if (aupe) 536 vmolr |= IXGBE_VMOLR_AUPE; 537 else 538 vmolr &= ~IXGBE_VMOLR_AUPE; 539 IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr); 540 } 541 542 static void ixgbe_clear_vmvir(struct ixgbe_adapter *adapter, u32 vf) 543 { 544 struct ixgbe_hw *hw = &adapter->hw; 545 546 IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0); 547 } 548 static inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf) 549 { 550 struct ixgbe_hw *hw = &adapter->hw; 551 struct vf_data_storage *vfinfo = &adapter->vfinfo[vf]; 552 int rar_entry = hw->mac.num_rar_entries - (vf + 1); 553 u8 num_tcs = netdev_get_num_tc(adapter->netdev); 554 555 /* add PF assigned VLAN or VLAN 0 */ 556 ixgbe_set_vf_vlan(adapter, true, vfinfo->pf_vlan, vf); 557 558 /* reset offloads to defaults */ 559 ixgbe_set_vmolr(hw, vf, !vfinfo->pf_vlan); 560 561 /* set outgoing tags for VFs */ 562 if (!vfinfo->pf_vlan && !vfinfo->pf_qos && !num_tcs) { 563 ixgbe_clear_vmvir(adapter, vf); 564 } else { 565 if (vfinfo->pf_qos || !num_tcs) 566 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 567 vfinfo->pf_qos, vf); 568 else 569 ixgbe_set_vmvir(adapter, vfinfo->pf_vlan, 570 adapter->default_up, vf); 571 572 if (vfinfo->spoofchk_enabled) 573 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); 574 } 575 576 /* reset multicast table array for vf */ 577 adapter->vfinfo[vf].num_vf_mc_hashes = 0; 578 579 /* Flush and reset the mta with the new values */ 580 ixgbe_set_rx_mode(adapter->netdev); 581 582 hw->mac.ops.clear_rar(hw, rar_entry); 583 584 /* reset VF api back to unknown */ 585 adapter->vfinfo[vf].vf_api = ixgbe_mbox_api_10; 586 } 587 588 static int ixgbe_set_vf_mac(struct ixgbe_adapter *adapter, 589 int vf, unsigned char *mac_addr) 590 { 591 struct ixgbe_hw *hw = &adapter->hw; 592 int rar_entry = hw->mac.num_rar_entries - (vf + 1); 593 594 memcpy(adapter->vfinfo[vf].vf_mac_addresses, mac_addr, 6); 595 hw->mac.ops.set_rar(hw, rar_entry, mac_addr, vf, IXGBE_RAH_AV); 596 597 return 0; 598 } 599 600 static int ixgbe_set_vf_macvlan(struct ixgbe_adapter *adapter, 601 int vf, int index, unsigned char *mac_addr) 602 { 603 struct ixgbe_hw *hw = &adapter->hw; 604 struct list_head *pos; 605 struct vf_macvlans *entry; 606 607 if (index <= 1) { 608 list_for_each(pos, &adapter->vf_mvs.l) { 609 entry = list_entry(pos, struct vf_macvlans, l); 610 if (entry->vf == vf) { 611 entry->vf = -1; 612 entry->free = true; 613 entry->is_macvlan = false; 614 hw->mac.ops.clear_rar(hw, entry->rar_entry); 615 } 616 } 617 } 618 619 /* 620 * If index was zero then we were asked to clear the uc list 621 * for the VF. We're done. 622 */ 623 if (!index) 624 return 0; 625 626 entry = NULL; 627 628 list_for_each(pos, &adapter->vf_mvs.l) { 629 entry = list_entry(pos, struct vf_macvlans, l); 630 if (entry->free) 631 break; 632 } 633 634 /* 635 * If we traversed the entire list and didn't find a free entry 636 * then we're out of space on the RAR table. Also entry may 637 * be NULL because the original memory allocation for the list 638 * failed, which is not fatal but does mean we can't support 639 * VF requests for MACVLAN because we couldn't allocate 640 * memory for the list management required. 641 */ 642 if (!entry || !entry->free) 643 return -ENOSPC; 644 645 entry->free = false; 646 entry->is_macvlan = true; 647 entry->vf = vf; 648 memcpy(entry->vf_macvlan, mac_addr, ETH_ALEN); 649 650 hw->mac.ops.set_rar(hw, entry->rar_entry, mac_addr, vf, IXGBE_RAH_AV); 651 652 return 0; 653 } 654 655 int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask) 656 { 657 unsigned char vf_mac_addr[6]; 658 struct ixgbe_adapter *adapter = pci_get_drvdata(pdev); 659 unsigned int vfn = (event_mask & 0x3f); 660 661 bool enable = ((event_mask & 0x10000000U) != 0); 662 663 if (enable) { 664 eth_random_addr(vf_mac_addr); 665 e_info(probe, "IOV: VF %d is enabled MAC %pM\n", 666 vfn, vf_mac_addr); 667 /* 668 * Store away the VF "permananet" MAC address, it will ask 669 * for it later. 670 */ 671 memcpy(adapter->vfinfo[vfn].vf_mac_addresses, vf_mac_addr, 6); 672 } 673 674 return 0; 675 } 676 677 static int ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) 678 { 679 struct ixgbe_hw *hw = &adapter->hw; 680 unsigned char *vf_mac = adapter->vfinfo[vf].vf_mac_addresses; 681 u32 reg, msgbuf[4]; 682 u32 reg_offset, vf_shift; 683 u8 *addr = (u8 *)(&msgbuf[1]); 684 685 e_info(probe, "VF Reset msg received from vf %d\n", vf); 686 687 /* reset the filters for the device */ 688 ixgbe_vf_reset_event(adapter, vf); 689 690 /* set vf mac address */ 691 ixgbe_set_vf_mac(adapter, vf, vf_mac); 692 693 vf_shift = vf % 32; 694 reg_offset = vf / 32; 695 696 /* enable transmit for vf */ 697 reg = IXGBE_READ_REG(hw, IXGBE_VFTE(reg_offset)); 698 reg |= 1 << vf_shift; 699 IXGBE_WRITE_REG(hw, IXGBE_VFTE(reg_offset), reg); 700 701 /* enable receive for vf */ 702 reg = IXGBE_READ_REG(hw, IXGBE_VFRE(reg_offset)); 703 reg |= 1 << vf_shift; 704 /* 705 * The 82599 cannot support a mix of jumbo and non-jumbo PF/VFs. 706 * For more info take a look at ixgbe_set_vf_lpe 707 */ 708 if (adapter->hw.mac.type == ixgbe_mac_82599EB) { 709 struct net_device *dev = adapter->netdev; 710 int pf_max_frame = dev->mtu + ETH_HLEN; 711 712 #ifdef CONFIG_FCOE 713 if (dev->features & NETIF_F_FCOE_MTU) 714 pf_max_frame = max_t(int, pf_max_frame, 715 IXGBE_FCOE_JUMBO_FRAME_SIZE); 716 717 #endif /* CONFIG_FCOE */ 718 if (pf_max_frame > ETH_FRAME_LEN) 719 reg &= ~(1 << vf_shift); 720 } 721 IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); 722 723 /* enable VF mailbox for further messages */ 724 adapter->vfinfo[vf].clear_to_send = true; 725 726 /* Enable counting of spoofed packets in the SSVPC register */ 727 reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); 728 reg |= (1 << vf_shift); 729 IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); 730 731 /* reply to reset with ack and vf mac address */ 732 msgbuf[0] = IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK; 733 memcpy(addr, vf_mac, ETH_ALEN); 734 735 /* 736 * Piggyback the multicast filter type so VF can compute the 737 * correct vectors 738 */ 739 msgbuf[3] = hw->mac.mc_filter_type; 740 ixgbe_write_mbx(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN, vf); 741 742 return 0; 743 } 744 745 static int ixgbe_set_vf_mac_addr(struct ixgbe_adapter *adapter, 746 u32 *msgbuf, u32 vf) 747 { 748 u8 *new_mac = ((u8 *)(&msgbuf[1])); 749 750 if (!is_valid_ether_addr(new_mac)) { 751 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 752 return -1; 753 } 754 755 if (adapter->vfinfo[vf].pf_set_mac && 756 memcmp(adapter->vfinfo[vf].vf_mac_addresses, new_mac, 757 ETH_ALEN)) { 758 e_warn(drv, 759 "VF %d attempted to override administratively set MAC address\n" 760 "Reload the VF driver to resume operations\n", 761 vf); 762 return -1; 763 } 764 765 return ixgbe_set_vf_mac(adapter, vf, new_mac) < 0; 766 } 767 768 static int ixgbe_set_vf_vlan_msg(struct ixgbe_adapter *adapter, 769 u32 *msgbuf, u32 vf) 770 { 771 struct ixgbe_hw *hw = &adapter->hw; 772 int add = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT; 773 int vid = (msgbuf[1] & IXGBE_VLVF_VLANID_MASK); 774 int err; 775 u8 tcs = netdev_get_num_tc(adapter->netdev); 776 777 if (adapter->vfinfo[vf].pf_vlan || tcs) { 778 e_warn(drv, 779 "VF %d attempted to override administratively set VLAN configuration\n" 780 "Reload the VF driver to resume operations\n", 781 vf); 782 return -1; 783 } 784 785 if (add) 786 adapter->vfinfo[vf].vlan_count++; 787 else if (adapter->vfinfo[vf].vlan_count) 788 adapter->vfinfo[vf].vlan_count--; 789 790 err = ixgbe_set_vf_vlan(adapter, add, vid, vf); 791 if (!err && adapter->vfinfo[vf].spoofchk_enabled) 792 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); 793 794 return err; 795 } 796 797 static int ixgbe_set_vf_macvlan_msg(struct ixgbe_adapter *adapter, 798 u32 *msgbuf, u32 vf) 799 { 800 u8 *new_mac = ((u8 *)(&msgbuf[1])); 801 int index = (msgbuf[0] & IXGBE_VT_MSGINFO_MASK) >> 802 IXGBE_VT_MSGINFO_SHIFT; 803 int err; 804 805 if (adapter->vfinfo[vf].pf_set_mac && index > 0) { 806 e_warn(drv, 807 "VF %d requested MACVLAN filter but is administratively denied\n", 808 vf); 809 return -1; 810 } 811 812 /* An non-zero index indicates the VF is setting a filter */ 813 if (index) { 814 if (!is_valid_ether_addr(new_mac)) { 815 e_warn(drv, "VF %d attempted to set invalid mac\n", vf); 816 return -1; 817 } 818 819 /* 820 * If the VF is allowed to set MAC filters then turn off 821 * anti-spoofing to avoid false positives. 822 */ 823 if (adapter->vfinfo[vf].spoofchk_enabled) 824 ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false); 825 } 826 827 err = ixgbe_set_vf_macvlan(adapter, vf, index, new_mac); 828 if (err == -ENOSPC) 829 e_warn(drv, 830 "VF %d has requested a MACVLAN filter but there is no space for it\n", 831 vf); 832 833 return err < 0; 834 } 835 836 static int ixgbe_negotiate_vf_api(struct ixgbe_adapter *adapter, 837 u32 *msgbuf, u32 vf) 838 { 839 int api = msgbuf[1]; 840 841 switch (api) { 842 case ixgbe_mbox_api_10: 843 case ixgbe_mbox_api_11: 844 adapter->vfinfo[vf].vf_api = api; 845 return 0; 846 default: 847 break; 848 } 849 850 e_info(drv, "VF %d requested invalid api version %u\n", vf, api); 851 852 return -1; 853 } 854 855 static int ixgbe_get_vf_queues(struct ixgbe_adapter *adapter, 856 u32 *msgbuf, u32 vf) 857 { 858 struct net_device *dev = adapter->netdev; 859 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 860 unsigned int default_tc = 0; 861 u8 num_tcs = netdev_get_num_tc(dev); 862 863 /* verify the PF is supporting the correct APIs */ 864 switch (adapter->vfinfo[vf].vf_api) { 865 case ixgbe_mbox_api_20: 866 case ixgbe_mbox_api_11: 867 break; 868 default: 869 return -1; 870 } 871 872 /* only allow 1 Tx queue for bandwidth limiting */ 873 msgbuf[IXGBE_VF_TX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 874 msgbuf[IXGBE_VF_RX_QUEUES] = __ALIGN_MASK(1, ~vmdq->mask); 875 876 /* if TCs > 1 determine which TC belongs to default user priority */ 877 if (num_tcs > 1) 878 default_tc = netdev_get_prio_tc_map(dev, adapter->default_up); 879 880 /* notify VF of need for VLAN tag stripping, and correct queue */ 881 if (num_tcs) 882 msgbuf[IXGBE_VF_TRANS_VLAN] = num_tcs; 883 else if (adapter->vfinfo[vf].pf_vlan || adapter->vfinfo[vf].pf_qos) 884 msgbuf[IXGBE_VF_TRANS_VLAN] = 1; 885 else 886 msgbuf[IXGBE_VF_TRANS_VLAN] = 0; 887 888 /* notify VF of default queue */ 889 msgbuf[IXGBE_VF_DEF_QUEUE] = default_tc; 890 891 return 0; 892 } 893 894 static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf) 895 { 896 u32 mbx_size = IXGBE_VFMAILBOX_SIZE; 897 u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; 898 struct ixgbe_hw *hw = &adapter->hw; 899 s32 retval; 900 901 retval = ixgbe_read_mbx(hw, msgbuf, mbx_size, vf); 902 903 if (retval) { 904 pr_err("Error receiving message from VF\n"); 905 return retval; 906 } 907 908 /* this is a message we already processed, do nothing */ 909 if (msgbuf[0] & (IXGBE_VT_MSGTYPE_ACK | IXGBE_VT_MSGTYPE_NACK)) 910 return retval; 911 912 /* flush the ack before we write any messages back */ 913 IXGBE_WRITE_FLUSH(hw); 914 915 if (msgbuf[0] == IXGBE_VF_RESET) 916 return ixgbe_vf_reset_msg(adapter, vf); 917 918 /* 919 * until the vf completes a virtual function reset it should not be 920 * allowed to start any configuration. 921 */ 922 if (!adapter->vfinfo[vf].clear_to_send) { 923 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 924 ixgbe_write_mbx(hw, msgbuf, 1, vf); 925 return retval; 926 } 927 928 switch ((msgbuf[0] & 0xFFFF)) { 929 case IXGBE_VF_SET_MAC_ADDR: 930 retval = ixgbe_set_vf_mac_addr(adapter, msgbuf, vf); 931 break; 932 case IXGBE_VF_SET_MULTICAST: 933 retval = ixgbe_set_vf_multicasts(adapter, msgbuf, vf); 934 break; 935 case IXGBE_VF_SET_VLAN: 936 retval = ixgbe_set_vf_vlan_msg(adapter, msgbuf, vf); 937 break; 938 case IXGBE_VF_SET_LPE: 939 retval = ixgbe_set_vf_lpe(adapter, msgbuf, vf); 940 break; 941 case IXGBE_VF_SET_MACVLAN: 942 retval = ixgbe_set_vf_macvlan_msg(adapter, msgbuf, vf); 943 break; 944 case IXGBE_VF_API_NEGOTIATE: 945 retval = ixgbe_negotiate_vf_api(adapter, msgbuf, vf); 946 break; 947 case IXGBE_VF_GET_QUEUES: 948 retval = ixgbe_get_vf_queues(adapter, msgbuf, vf); 949 break; 950 default: 951 e_err(drv, "Unhandled Msg %8.8x\n", msgbuf[0]); 952 retval = IXGBE_ERR_MBX; 953 break; 954 } 955 956 /* notify the VF of the results of what it sent us */ 957 if (retval) 958 msgbuf[0] |= IXGBE_VT_MSGTYPE_NACK; 959 else 960 msgbuf[0] |= IXGBE_VT_MSGTYPE_ACK; 961 962 msgbuf[0] |= IXGBE_VT_MSGTYPE_CTS; 963 964 ixgbe_write_mbx(hw, msgbuf, mbx_size, vf); 965 966 return retval; 967 } 968 969 static void ixgbe_rcv_ack_from_vf(struct ixgbe_adapter *adapter, u32 vf) 970 { 971 struct ixgbe_hw *hw = &adapter->hw; 972 u32 msg = IXGBE_VT_MSGTYPE_NACK; 973 974 /* if device isn't clear to send it shouldn't be reading either */ 975 if (!adapter->vfinfo[vf].clear_to_send) 976 ixgbe_write_mbx(hw, &msg, 1, vf); 977 } 978 979 void ixgbe_msg_task(struct ixgbe_adapter *adapter) 980 { 981 struct ixgbe_hw *hw = &adapter->hw; 982 u32 vf; 983 984 for (vf = 0; vf < adapter->num_vfs; vf++) { 985 /* process any reset requests */ 986 if (!ixgbe_check_for_rst(hw, vf)) 987 ixgbe_vf_reset_event(adapter, vf); 988 989 /* process any messages pending */ 990 if (!ixgbe_check_for_msg(hw, vf)) 991 ixgbe_rcv_msg_from_vf(adapter, vf); 992 993 /* process any acks */ 994 if (!ixgbe_check_for_ack(hw, vf)) 995 ixgbe_rcv_ack_from_vf(adapter, vf); 996 } 997 } 998 999 void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter) 1000 { 1001 struct ixgbe_hw *hw = &adapter->hw; 1002 1003 /* disable transmit and receive for all vfs */ 1004 IXGBE_WRITE_REG(hw, IXGBE_VFTE(0), 0); 1005 IXGBE_WRITE_REG(hw, IXGBE_VFTE(1), 0); 1006 1007 IXGBE_WRITE_REG(hw, IXGBE_VFRE(0), 0); 1008 IXGBE_WRITE_REG(hw, IXGBE_VFRE(1), 0); 1009 } 1010 1011 void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter) 1012 { 1013 struct ixgbe_hw *hw = &adapter->hw; 1014 u32 ping; 1015 int i; 1016 1017 for (i = 0 ; i < adapter->num_vfs; i++) { 1018 ping = IXGBE_PF_CONTROL_MSG; 1019 if (adapter->vfinfo[i].clear_to_send) 1020 ping |= IXGBE_VT_MSGTYPE_CTS; 1021 ixgbe_write_mbx(hw, &ping, 1, i); 1022 } 1023 } 1024 1025 int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) 1026 { 1027 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1028 if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs)) 1029 return -EINVAL; 1030 adapter->vfinfo[vf].pf_set_mac = true; 1031 dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf); 1032 dev_info(&adapter->pdev->dev, "Reload the VF driver to make this" 1033 " change effective."); 1034 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1035 dev_warn(&adapter->pdev->dev, "The VF MAC address has been set," 1036 " but the PF device is not up.\n"); 1037 dev_warn(&adapter->pdev->dev, "Bring the PF device up before" 1038 " attempting to use the VF device.\n"); 1039 } 1040 return ixgbe_set_vf_mac(adapter, vf, mac); 1041 } 1042 1043 int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) 1044 { 1045 int err = 0; 1046 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1047 struct ixgbe_hw *hw = &adapter->hw; 1048 1049 if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) 1050 return -EINVAL; 1051 if (vlan || qos) { 1052 err = ixgbe_set_vf_vlan(adapter, true, vlan, vf); 1053 if (err) 1054 goto out; 1055 ixgbe_set_vmvir(adapter, vlan, qos, vf); 1056 ixgbe_set_vmolr(hw, vf, false); 1057 if (adapter->vfinfo[vf].spoofchk_enabled) 1058 hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); 1059 adapter->vfinfo[vf].vlan_count++; 1060 adapter->vfinfo[vf].pf_vlan = vlan; 1061 adapter->vfinfo[vf].pf_qos = qos; 1062 dev_info(&adapter->pdev->dev, 1063 "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf); 1064 if (test_bit(__IXGBE_DOWN, &adapter->state)) { 1065 dev_warn(&adapter->pdev->dev, 1066 "The VF VLAN has been set," 1067 " but the PF device is not up.\n"); 1068 dev_warn(&adapter->pdev->dev, 1069 "Bring the PF device up before" 1070 " attempting to use the VF device.\n"); 1071 } 1072 } else { 1073 err = ixgbe_set_vf_vlan(adapter, false, 1074 adapter->vfinfo[vf].pf_vlan, vf); 1075 ixgbe_clear_vmvir(adapter, vf); 1076 ixgbe_set_vmolr(hw, vf, true); 1077 hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); 1078 if (adapter->vfinfo[vf].vlan_count) 1079 adapter->vfinfo[vf].vlan_count--; 1080 adapter->vfinfo[vf].pf_vlan = 0; 1081 adapter->vfinfo[vf].pf_qos = 0; 1082 } 1083 out: 1084 return err; 1085 } 1086 1087 static int ixgbe_link_mbps(struct ixgbe_adapter *adapter) 1088 { 1089 switch (adapter->link_speed) { 1090 case IXGBE_LINK_SPEED_100_FULL: 1091 return 100; 1092 case IXGBE_LINK_SPEED_1GB_FULL: 1093 return 1000; 1094 case IXGBE_LINK_SPEED_10GB_FULL: 1095 return 10000; 1096 default: 1097 return 0; 1098 } 1099 } 1100 1101 static void ixgbe_set_vf_rate_limit(struct ixgbe_adapter *adapter, int vf) 1102 { 1103 struct ixgbe_ring_feature *vmdq = &adapter->ring_feature[RING_F_VMDQ]; 1104 struct ixgbe_hw *hw = &adapter->hw; 1105 u32 bcnrc_val = 0; 1106 u16 queue, queues_per_pool; 1107 u16 tx_rate = adapter->vfinfo[vf].tx_rate; 1108 1109 if (tx_rate) { 1110 /* start with base link speed value */ 1111 bcnrc_val = adapter->vf_rate_link_speed; 1112 1113 /* Calculate the rate factor values to set */ 1114 bcnrc_val <<= IXGBE_RTTBCNRC_RF_INT_SHIFT; 1115 bcnrc_val /= tx_rate; 1116 1117 /* clear everything but the rate factor */ 1118 bcnrc_val &= IXGBE_RTTBCNRC_RF_INT_MASK | 1119 IXGBE_RTTBCNRC_RF_DEC_MASK; 1120 1121 /* enable the rate scheduler */ 1122 bcnrc_val |= IXGBE_RTTBCNRC_RS_ENA; 1123 } 1124 1125 /* 1126 * Set global transmit compensation time to the MMW_SIZE in RTTBCNRM 1127 * register. Typically MMW_SIZE=0x014 if 9728-byte jumbo is supported 1128 * and 0x004 otherwise. 1129 */ 1130 switch (hw->mac.type) { 1131 case ixgbe_mac_82599EB: 1132 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x4); 1133 break; 1134 case ixgbe_mac_X540: 1135 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRM, 0x14); 1136 break; 1137 default: 1138 break; 1139 } 1140 1141 /* determine how many queues per pool based on VMDq mask */ 1142 queues_per_pool = __ALIGN_MASK(1, ~vmdq->mask); 1143 1144 /* write value for all Tx queues belonging to VF */ 1145 for (queue = 0; queue < queues_per_pool; queue++) { 1146 unsigned int reg_idx = (vf * queues_per_pool) + queue; 1147 1148 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, reg_idx); 1149 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, bcnrc_val); 1150 } 1151 } 1152 1153 void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter) 1154 { 1155 int i; 1156 1157 /* VF Tx rate limit was not set */ 1158 if (!adapter->vf_rate_link_speed) 1159 return; 1160 1161 if (ixgbe_link_mbps(adapter) != adapter->vf_rate_link_speed) { 1162 adapter->vf_rate_link_speed = 0; 1163 dev_info(&adapter->pdev->dev, 1164 "Link speed has been changed. VF Transmit rate is disabled\n"); 1165 } 1166 1167 for (i = 0; i < adapter->num_vfs; i++) { 1168 if (!adapter->vf_rate_link_speed) 1169 adapter->vfinfo[i].tx_rate = 0; 1170 1171 ixgbe_set_vf_rate_limit(adapter, i); 1172 } 1173 } 1174 1175 int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate) 1176 { 1177 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1178 int link_speed; 1179 1180 /* verify VF is active */ 1181 if (vf >= adapter->num_vfs) 1182 return -EINVAL; 1183 1184 /* verify link is up */ 1185 if (!adapter->link_up) 1186 return -EINVAL; 1187 1188 /* verify we are linked at 10Gbps */ 1189 link_speed = ixgbe_link_mbps(adapter); 1190 if (link_speed != 10000) 1191 return -EINVAL; 1192 1193 /* rate limit cannot be less than 10Mbs or greater than link speed */ 1194 if (tx_rate && ((tx_rate <= 10) || (tx_rate > link_speed))) 1195 return -EINVAL; 1196 1197 /* store values */ 1198 adapter->vf_rate_link_speed = link_speed; 1199 adapter->vfinfo[vf].tx_rate = tx_rate; 1200 1201 /* update hardware configuration */ 1202 ixgbe_set_vf_rate_limit(adapter, vf); 1203 1204 return 0; 1205 } 1206 1207 int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting) 1208 { 1209 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1210 int vf_target_reg = vf >> 3; 1211 int vf_target_shift = vf % 8; 1212 struct ixgbe_hw *hw = &adapter->hw; 1213 u32 regval; 1214 1215 adapter->vfinfo[vf].spoofchk_enabled = setting; 1216 1217 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); 1218 regval &= ~(1 << vf_target_shift); 1219 regval |= (setting << vf_target_shift); 1220 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); 1221 1222 if (adapter->vfinfo[vf].vlan_count) { 1223 vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT; 1224 regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg)); 1225 regval &= ~(1 << vf_target_shift); 1226 regval |= (setting << vf_target_shift); 1227 IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval); 1228 } 1229 1230 return 0; 1231 } 1232 1233 int ixgbe_ndo_get_vf_config(struct net_device *netdev, 1234 int vf, struct ifla_vf_info *ivi) 1235 { 1236 struct ixgbe_adapter *adapter = netdev_priv(netdev); 1237 if (vf >= adapter->num_vfs) 1238 return -EINVAL; 1239 ivi->vf = vf; 1240 memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN); 1241 ivi->tx_rate = adapter->vfinfo[vf].tx_rate; 1242 ivi->vlan = adapter->vfinfo[vf].pf_vlan; 1243 ivi->qos = adapter->vfinfo[vf].pf_qos; 1244 ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled; 1245 return 0; 1246 } 1247