1/******************************************************************************* 2 3 Intel 82599 Virtual Function driver 4 Copyright(c) 1999 - 2012 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 "vf.h" 29#include "ixgbevf.h" 30 31/** 32 * ixgbevf_start_hw_vf - Prepare hardware for Tx/Rx 33 * @hw: pointer to hardware structure 34 * 35 * Starts the hardware by filling the bus info structure and media type, clears 36 * all on chip counters, initializes receive address registers, multicast 37 * table, VLAN filter table, calls routine to set up link and flow control 38 * settings, and leaves transmit and receive units disabled and uninitialized 39 **/ 40static s32 ixgbevf_start_hw_vf(struct ixgbe_hw *hw) 41{ 42 /* Clear adapter stopped flag */ 43 hw->adapter_stopped = false; 44 45 return 0; 46} 47 48/** 49 * ixgbevf_init_hw_vf - virtual function hardware initialization 50 * @hw: pointer to hardware structure 51 * 52 * Initialize the hardware by resetting the hardware and then starting 53 * the hardware 54 **/ 55static s32 ixgbevf_init_hw_vf(struct ixgbe_hw *hw) 56{ 57 s32 status = hw->mac.ops.start_hw(hw); 58 59 hw->mac.ops.get_mac_addr(hw, hw->mac.addr); 60 61 return status; 62} 63 64/** 65 * ixgbevf_reset_hw_vf - Performs hardware reset 66 * @hw: pointer to hardware structure 67 * 68 * Resets the hardware by reseting the transmit and receive units, masks and 69 * clears all interrupts. 70 **/ 71static s32 ixgbevf_reset_hw_vf(struct ixgbe_hw *hw) 72{ 73 struct ixgbe_mbx_info *mbx = &hw->mbx; 74 u32 timeout = IXGBE_VF_INIT_TIMEOUT; 75 s32 ret_val = IXGBE_ERR_INVALID_MAC_ADDR; 76 u32 msgbuf[IXGBE_VF_PERMADDR_MSG_LEN]; 77 u8 *addr = (u8 *)(&msgbuf[1]); 78 79 /* Call adapter stop to disable tx/rx and clear interrupts */ 80 hw->mac.ops.stop_adapter(hw); 81 82 /* reset the api version */ 83 hw->api_version = ixgbe_mbox_api_10; 84 85 IXGBE_WRITE_REG(hw, IXGBE_VFCTRL, IXGBE_CTRL_RST); 86 IXGBE_WRITE_FLUSH(hw); 87 88 /* we cannot reset while the RSTI / RSTD bits are asserted */ 89 while (!mbx->ops.check_for_rst(hw) && timeout) { 90 timeout--; 91 udelay(5); 92 } 93 94 if (!timeout) 95 return IXGBE_ERR_RESET_FAILED; 96 97 /* mailbox timeout can now become active */ 98 mbx->timeout = IXGBE_VF_MBX_INIT_TIMEOUT; 99 100 msgbuf[0] = IXGBE_VF_RESET; 101 mbx->ops.write_posted(hw, msgbuf, 1); 102 103 mdelay(10); 104 105 /* set our "perm_addr" based on info provided by PF */ 106 /* also set up the mc_filter_type which is piggy backed 107 * on the mac address in word 3 */ 108 ret_val = mbx->ops.read_posted(hw, msgbuf, IXGBE_VF_PERMADDR_MSG_LEN); 109 if (ret_val) 110 return ret_val; 111 112 /* New versions of the PF may NACK the reset return message 113 * to indicate that no MAC address has yet been assigned for 114 * the VF. 115 */ 116 if (msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_ACK) && 117 msgbuf[0] != (IXGBE_VF_RESET | IXGBE_VT_MSGTYPE_NACK)) 118 return IXGBE_ERR_INVALID_MAC_ADDR; 119 120 memcpy(hw->mac.perm_addr, addr, ETH_ALEN); 121 hw->mac.mc_filter_type = msgbuf[IXGBE_VF_MC_TYPE_WORD]; 122 123 return 0; 124} 125 126/** 127 * ixgbevf_stop_hw_vf - Generic stop Tx/Rx units 128 * @hw: pointer to hardware structure 129 * 130 * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts, 131 * disables transmit and receive units. The adapter_stopped flag is used by 132 * the shared code and drivers to determine if the adapter is in a stopped 133 * state and should not touch the hardware. 134 **/ 135static s32 ixgbevf_stop_hw_vf(struct ixgbe_hw *hw) 136{ 137 u32 number_of_queues; 138 u32 reg_val; 139 u16 i; 140 141 /* 142 * Set the adapter_stopped flag so other driver functions stop touching 143 * the hardware 144 */ 145 hw->adapter_stopped = true; 146 147 /* Disable the receive unit by stopped each queue */ 148 number_of_queues = hw->mac.max_rx_queues; 149 for (i = 0; i < number_of_queues; i++) { 150 reg_val = IXGBE_READ_REG(hw, IXGBE_VFRXDCTL(i)); 151 if (reg_val & IXGBE_RXDCTL_ENABLE) { 152 reg_val &= ~IXGBE_RXDCTL_ENABLE; 153 IXGBE_WRITE_REG(hw, IXGBE_VFRXDCTL(i), reg_val); 154 } 155 } 156 157 IXGBE_WRITE_FLUSH(hw); 158 159 /* Clear interrupt mask to stop from interrupts being generated */ 160 IXGBE_WRITE_REG(hw, IXGBE_VTEIMC, IXGBE_VF_IRQ_CLEAR_MASK); 161 162 /* Clear any pending interrupts */ 163 IXGBE_READ_REG(hw, IXGBE_VTEICR); 164 165 /* Disable the transmit unit. Each queue must be disabled. */ 166 number_of_queues = hw->mac.max_tx_queues; 167 for (i = 0; i < number_of_queues; i++) { 168 reg_val = IXGBE_READ_REG(hw, IXGBE_VFTXDCTL(i)); 169 if (reg_val & IXGBE_TXDCTL_ENABLE) { 170 reg_val &= ~IXGBE_TXDCTL_ENABLE; 171 IXGBE_WRITE_REG(hw, IXGBE_VFTXDCTL(i), reg_val); 172 } 173 } 174 175 return 0; 176} 177 178/** 179 * ixgbevf_mta_vector - Determines bit-vector in multicast table to set 180 * @hw: pointer to hardware structure 181 * @mc_addr: the multicast address 182 * 183 * Extracts the 12 bits, from a multicast address, to determine which 184 * bit-vector to set in the multicast table. The hardware uses 12 bits, from 185 * incoming rx multicast addresses, to determine the bit-vector to check in 186 * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set 187 * by the MO field of the MCSTCTRL. The MO field is set during initialization 188 * to mc_filter_type. 189 **/ 190static s32 ixgbevf_mta_vector(struct ixgbe_hw *hw, u8 *mc_addr) 191{ 192 u32 vector = 0; 193 194 switch (hw->mac.mc_filter_type) { 195 case 0: /* use bits [47:36] of the address */ 196 vector = ((mc_addr[4] >> 4) | (((u16)mc_addr[5]) << 4)); 197 break; 198 case 1: /* use bits [46:35] of the address */ 199 vector = ((mc_addr[4] >> 3) | (((u16)mc_addr[5]) << 5)); 200 break; 201 case 2: /* use bits [45:34] of the address */ 202 vector = ((mc_addr[4] >> 2) | (((u16)mc_addr[5]) << 6)); 203 break; 204 case 3: /* use bits [43:32] of the address */ 205 vector = ((mc_addr[4]) | (((u16)mc_addr[5]) << 8)); 206 break; 207 default: /* Invalid mc_filter_type */ 208 break; 209 } 210 211 /* vector can only be 12-bits or boundary will be exceeded */ 212 vector &= 0xFFF; 213 return vector; 214} 215 216/** 217 * ixgbevf_get_mac_addr_vf - Read device MAC address 218 * @hw: pointer to the HW structure 219 * @mac_addr: pointer to storage for retrieved MAC address 220 **/ 221static s32 ixgbevf_get_mac_addr_vf(struct ixgbe_hw *hw, u8 *mac_addr) 222{ 223 memcpy(mac_addr, hw->mac.perm_addr, ETH_ALEN); 224 225 return 0; 226} 227 228static s32 ixgbevf_set_uc_addr_vf(struct ixgbe_hw *hw, u32 index, u8 *addr) 229{ 230 struct ixgbe_mbx_info *mbx = &hw->mbx; 231 u32 msgbuf[3]; 232 u8 *msg_addr = (u8 *)(&msgbuf[1]); 233 s32 ret_val; 234 235 memset(msgbuf, 0, sizeof(msgbuf)); 236 /* 237 * If index is one then this is the start of a new list and needs 238 * indication to the PF so it can do it's own list management. 239 * If it is zero then that tells the PF to just clear all of 240 * this VF's macvlans and there is no new list. 241 */ 242 msgbuf[0] |= index << IXGBE_VT_MSGINFO_SHIFT; 243 msgbuf[0] |= IXGBE_VF_SET_MACVLAN; 244 if (addr) 245 memcpy(msg_addr, addr, ETH_ALEN); 246 ret_val = mbx->ops.write_posted(hw, msgbuf, 3); 247 248 if (!ret_val) 249 ret_val = mbx->ops.read_posted(hw, msgbuf, 3); 250 251 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; 252 253 if (!ret_val) 254 if (msgbuf[0] == 255 (IXGBE_VF_SET_MACVLAN | IXGBE_VT_MSGTYPE_NACK)) 256 ret_val = -ENOMEM; 257 258 return ret_val; 259} 260 261/** 262 * ixgbevf_set_rar_vf - set device MAC address 263 * @hw: pointer to hardware structure 264 * @index: Receive address register to write 265 * @addr: Address to put into receive address register 266 * @vmdq: Unused in this implementation 267 **/ 268static s32 ixgbevf_set_rar_vf(struct ixgbe_hw *hw, u32 index, u8 *addr, 269 u32 vmdq) 270{ 271 struct ixgbe_mbx_info *mbx = &hw->mbx; 272 u32 msgbuf[3]; 273 u8 *msg_addr = (u8 *)(&msgbuf[1]); 274 s32 ret_val; 275 276 memset(msgbuf, 0, sizeof(msgbuf)); 277 msgbuf[0] = IXGBE_VF_SET_MAC_ADDR; 278 memcpy(msg_addr, addr, ETH_ALEN); 279 ret_val = mbx->ops.write_posted(hw, msgbuf, 3); 280 281 if (!ret_val) 282 ret_val = mbx->ops.read_posted(hw, msgbuf, 3); 283 284 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; 285 286 /* if nacked the address was rejected, use "perm_addr" */ 287 if (!ret_val && 288 (msgbuf[0] == (IXGBE_VF_SET_MAC_ADDR | IXGBE_VT_MSGTYPE_NACK))) 289 ixgbevf_get_mac_addr_vf(hw, hw->mac.addr); 290 291 return ret_val; 292} 293 294static void ixgbevf_write_msg_read_ack(struct ixgbe_hw *hw, 295 u32 *msg, u16 size) 296{ 297 struct ixgbe_mbx_info *mbx = &hw->mbx; 298 u32 retmsg[IXGBE_VFMAILBOX_SIZE]; 299 s32 retval = mbx->ops.write_posted(hw, msg, size); 300 301 if (!retval) 302 mbx->ops.read_posted(hw, retmsg, size); 303} 304 305/** 306 * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses 307 * @hw: pointer to the HW structure 308 * @netdev: pointer to net device structure 309 * 310 * Updates the Multicast Table Array. 311 **/ 312static s32 ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw *hw, 313 struct net_device *netdev) 314{ 315 struct netdev_hw_addr *ha; 316 u32 msgbuf[IXGBE_VFMAILBOX_SIZE]; 317 u16 *vector_list = (u16 *)&msgbuf[1]; 318 u32 cnt, i; 319 320 /* Each entry in the list uses 1 16 bit word. We have 30 321 * 16 bit words available in our HW msg buffer (minus 1 for the 322 * msg type). That's 30 hash values if we pack 'em right. If 323 * there are more than 30 MC addresses to add then punt the 324 * extras for now and then add code to handle more than 30 later. 325 * It would be unusual for a server to request that many multi-cast 326 * addresses except for in large enterprise network environments. 327 */ 328 329 cnt = netdev_mc_count(netdev); 330 if (cnt > 30) 331 cnt = 30; 332 msgbuf[0] = IXGBE_VF_SET_MULTICAST; 333 msgbuf[0] |= cnt << IXGBE_VT_MSGINFO_SHIFT; 334 335 i = 0; 336 netdev_for_each_mc_addr(ha, netdev) { 337 if (i == cnt) 338 break; 339 if (is_link_local_ether_addr(ha->addr)) 340 continue; 341 342 vector_list[i++] = ixgbevf_mta_vector(hw, ha->addr); 343 } 344 345 ixgbevf_write_msg_read_ack(hw, msgbuf, IXGBE_VFMAILBOX_SIZE); 346 347 return 0; 348} 349 350/** 351 * ixgbevf_set_vfta_vf - Set/Unset vlan filter table address 352 * @hw: pointer to the HW structure 353 * @vlan: 12 bit VLAN ID 354 * @vind: unused by VF drivers 355 * @vlan_on: if true then set bit, else clear bit 356 **/ 357static s32 ixgbevf_set_vfta_vf(struct ixgbe_hw *hw, u32 vlan, u32 vind, 358 bool vlan_on) 359{ 360 struct ixgbe_mbx_info *mbx = &hw->mbx; 361 u32 msgbuf[2]; 362 s32 err; 363 364 msgbuf[0] = IXGBE_VF_SET_VLAN; 365 msgbuf[1] = vlan; 366 /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */ 367 msgbuf[0] |= vlan_on << IXGBE_VT_MSGINFO_SHIFT; 368 369 err = mbx->ops.write_posted(hw, msgbuf, 2); 370 if (err) 371 goto mbx_err; 372 373 err = mbx->ops.read_posted(hw, msgbuf, 2); 374 if (err) 375 goto mbx_err; 376 377 /* remove extra bits from the message */ 378 msgbuf[0] &= ~IXGBE_VT_MSGTYPE_CTS; 379 msgbuf[0] &= ~(0xFF << IXGBE_VT_MSGINFO_SHIFT); 380 381 if (msgbuf[0] != (IXGBE_VF_SET_VLAN | IXGBE_VT_MSGTYPE_ACK)) 382 err = IXGBE_ERR_INVALID_ARGUMENT; 383 384mbx_err: 385 return err; 386} 387 388/** 389 * ixgbevf_setup_mac_link_vf - Setup MAC link settings 390 * @hw: pointer to hardware structure 391 * @speed: Unused in this implementation 392 * @autoneg: Unused in this implementation 393 * @autoneg_wait_to_complete: Unused in this implementation 394 * 395 * Do nothing and return success. VF drivers are not allowed to change 396 * global settings. Maintained for driver compatibility. 397 **/ 398static s32 ixgbevf_setup_mac_link_vf(struct ixgbe_hw *hw, 399 ixgbe_link_speed speed, bool autoneg, 400 bool autoneg_wait_to_complete) 401{ 402 return 0; 403} 404 405/** 406 * ixgbevf_check_mac_link_vf - Get link/speed status 407 * @hw: pointer to hardware structure 408 * @speed: pointer to link speed 409 * @link_up: true is link is up, false otherwise 410 * @autoneg_wait_to_complete: true when waiting for completion is needed 411 * 412 * Reads the links register to determine if link is up and the current speed 413 **/ 414static s32 ixgbevf_check_mac_link_vf(struct ixgbe_hw *hw, 415 ixgbe_link_speed *speed, 416 bool *link_up, 417 bool autoneg_wait_to_complete) 418{ 419 struct ixgbe_mbx_info *mbx = &hw->mbx; 420 struct ixgbe_mac_info *mac = &hw->mac; 421 s32 ret_val = 0; 422 u32 links_reg; 423 u32 in_msg = 0; 424 425 /* If we were hit with a reset drop the link */ 426 if (!mbx->ops.check_for_rst(hw) || !mbx->timeout) 427 mac->get_link_status = true; 428 429 if (!mac->get_link_status) 430 goto out; 431 432 /* if link status is down no point in checking to see if pf is up */ 433 links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS); 434 if (!(links_reg & IXGBE_LINKS_UP)) 435 goto out; 436 437 /* for SFP+ modules and DA cables on 82599 it can take up to 500usecs 438 * before the link status is correct 439 */ 440 if (mac->type == ixgbe_mac_82599_vf) { 441 int i; 442 443 for (i = 0; i < 5; i++) { 444 udelay(100); 445 links_reg = IXGBE_READ_REG(hw, IXGBE_VFLINKS); 446 447 if (!(links_reg & IXGBE_LINKS_UP)) 448 goto out; 449 } 450 } 451 452 switch (links_reg & IXGBE_LINKS_SPEED_82599) { 453 case IXGBE_LINKS_SPEED_10G_82599: 454 *speed = IXGBE_LINK_SPEED_10GB_FULL; 455 break; 456 case IXGBE_LINKS_SPEED_1G_82599: 457 *speed = IXGBE_LINK_SPEED_1GB_FULL; 458 break; 459 case IXGBE_LINKS_SPEED_100_82599: 460 *speed = IXGBE_LINK_SPEED_100_FULL; 461 break; 462 } 463 464 /* if the read failed it could just be a mailbox collision, best wait 465 * until we are called again and don't report an error */ 466 if (mbx->ops.read(hw, &in_msg, 1)) 467 goto out; 468 469 if (!(in_msg & IXGBE_VT_MSGTYPE_CTS)) { 470 /* msg is not CTS and is NACK we must have lost CTS status */ 471 if (in_msg & IXGBE_VT_MSGTYPE_NACK) 472 ret_val = -1; 473 goto out; 474 } 475 476 /* the pf is talking, if we timed out in the past we reinit */ 477 if (!mbx->timeout) { 478 ret_val = -1; 479 goto out; 480 } 481 482 /* if we passed all the tests above then the link is up and we no 483 * longer need to check for link */ 484 mac->get_link_status = false; 485 486out: 487 *link_up = !mac->get_link_status; 488 return ret_val; 489} 490 491/** 492 * ixgbevf_rlpml_set_vf - Set the maximum receive packet length 493 * @hw: pointer to the HW structure 494 * @max_size: value to assign to max frame size 495 **/ 496void ixgbevf_rlpml_set_vf(struct ixgbe_hw *hw, u16 max_size) 497{ 498 u32 msgbuf[2]; 499 500 msgbuf[0] = IXGBE_VF_SET_LPE; 501 msgbuf[1] = max_size; 502 ixgbevf_write_msg_read_ack(hw, msgbuf, 2); 503} 504 505/** 506 * ixgbevf_negotiate_api_version - Negotiate supported API version 507 * @hw: pointer to the HW structure 508 * @api: integer containing requested API version 509 **/ 510int ixgbevf_negotiate_api_version(struct ixgbe_hw *hw, int api) 511{ 512 int err; 513 u32 msg[3]; 514 515 /* Negotiate the mailbox API version */ 516 msg[0] = IXGBE_VF_API_NEGOTIATE; 517 msg[1] = api; 518 msg[2] = 0; 519 err = hw->mbx.ops.write_posted(hw, msg, 3); 520 521 if (!err) 522 err = hw->mbx.ops.read_posted(hw, msg, 3); 523 524 if (!err) { 525 msg[0] &= ~IXGBE_VT_MSGTYPE_CTS; 526 527 /* Store value and return 0 on success */ 528 if (msg[0] == (IXGBE_VF_API_NEGOTIATE | IXGBE_VT_MSGTYPE_ACK)) { 529 hw->api_version = api; 530 return 0; 531 } 532 533 err = IXGBE_ERR_INVALID_ARGUMENT; 534 } 535 536 return err; 537} 538 539int ixgbevf_get_queues(struct ixgbe_hw *hw, unsigned int *num_tcs, 540 unsigned int *default_tc) 541{ 542 int err; 543 u32 msg[5]; 544 545 /* do nothing if API doesn't support ixgbevf_get_queues */ 546 switch (hw->api_version) { 547 case ixgbe_mbox_api_11: 548 break; 549 default: 550 return 0; 551 } 552 553 /* Fetch queue configuration from the PF */ 554 msg[0] = IXGBE_VF_GET_QUEUE; 555 msg[1] = msg[2] = msg[3] = msg[4] = 0; 556 err = hw->mbx.ops.write_posted(hw, msg, 5); 557 558 if (!err) 559 err = hw->mbx.ops.read_posted(hw, msg, 5); 560 561 if (!err) { 562 msg[0] &= ~IXGBE_VT_MSGTYPE_CTS; 563 564 /* 565 * if we we didn't get an ACK there must have been 566 * some sort of mailbox error so we should treat it 567 * as such 568 */ 569 if (msg[0] != (IXGBE_VF_GET_QUEUE | IXGBE_VT_MSGTYPE_ACK)) 570 return IXGBE_ERR_MBX; 571 572 /* record and validate values from message */ 573 hw->mac.max_tx_queues = msg[IXGBE_VF_TX_QUEUES]; 574 if (hw->mac.max_tx_queues == 0 || 575 hw->mac.max_tx_queues > IXGBE_VF_MAX_TX_QUEUES) 576 hw->mac.max_tx_queues = IXGBE_VF_MAX_TX_QUEUES; 577 578 hw->mac.max_rx_queues = msg[IXGBE_VF_RX_QUEUES]; 579 if (hw->mac.max_rx_queues == 0 || 580 hw->mac.max_rx_queues > IXGBE_VF_MAX_RX_QUEUES) 581 hw->mac.max_rx_queues = IXGBE_VF_MAX_RX_QUEUES; 582 583 *num_tcs = msg[IXGBE_VF_TRANS_VLAN]; 584 /* in case of unknown state assume we cannot tag frames */ 585 if (*num_tcs > hw->mac.max_rx_queues) 586 *num_tcs = 1; 587 588 *default_tc = msg[IXGBE_VF_DEF_QUEUE]; 589 /* default to queue 0 on out-of-bounds queue number */ 590 if (*default_tc >= hw->mac.max_tx_queues) 591 *default_tc = 0; 592 } 593 594 return err; 595} 596 597static const struct ixgbe_mac_operations ixgbevf_mac_ops = { 598 .init_hw = ixgbevf_init_hw_vf, 599 .reset_hw = ixgbevf_reset_hw_vf, 600 .start_hw = ixgbevf_start_hw_vf, 601 .get_mac_addr = ixgbevf_get_mac_addr_vf, 602 .stop_adapter = ixgbevf_stop_hw_vf, 603 .setup_link = ixgbevf_setup_mac_link_vf, 604 .check_link = ixgbevf_check_mac_link_vf, 605 .set_rar = ixgbevf_set_rar_vf, 606 .update_mc_addr_list = ixgbevf_update_mc_addr_list_vf, 607 .set_uc_addr = ixgbevf_set_uc_addr_vf, 608 .set_vfta = ixgbevf_set_vfta_vf, 609}; 610 611const struct ixgbevf_info ixgbevf_82599_vf_info = { 612 .mac = ixgbe_mac_82599_vf, 613 .mac_ops = &ixgbevf_mac_ops, 614}; 615 616const struct ixgbevf_info ixgbevf_X540_vf_info = { 617 .mac = ixgbe_mac_X540_vf, 618 .mac_ops = &ixgbevf_mac_ops, 619}; 620