1 /*******************************************************************************
3 Intel 82599 Virtual Function driver
4 Copyright(c) 1999 - 2015 Intel Corporation.
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.
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
15 You should have received a copy of the GNU General Public License along with
16 this program; if not, see <http://www.gnu.org/licenses/>.
18 The full GNU General Public License is included in this distribution in
19 the file called "COPYING".
22 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
25 *******************************************************************************/
31 * ixgbevf_start_hw_vf - Prepare hardware for Tx/Rx
32 * @hw: pointer to hardware structure
34 * Starts the hardware by filling the bus info structure and media type, clears
35 * all on chip counters, initializes receive address registers, multicast
36 * table, VLAN filter table, calls routine to set up link and flow control
37 * settings, and leaves transmit and receive units disabled and uninitialized
39 static s32
ixgbevf_start_hw_vf(struct ixgbe_hw
*hw
)
41 /* Clear adapter stopped flag */
42 hw
->adapter_stopped
= false;
48 * ixgbevf_init_hw_vf - virtual function hardware initialization
49 * @hw: pointer to hardware structure
51 * Initialize the hardware by resetting the hardware and then starting
54 static s32
ixgbevf_init_hw_vf(struct ixgbe_hw
*hw
)
56 s32 status
= hw
->mac
.ops
.start_hw(hw
);
58 hw
->mac
.ops
.get_mac_addr(hw
, hw
->mac
.addr
);
64 * ixgbevf_reset_hw_vf - Performs hardware reset
65 * @hw: pointer to hardware structure
67 * Resets the hardware by resetting the transmit and receive units, masks and
68 * clears all interrupts.
70 static s32
ixgbevf_reset_hw_vf(struct ixgbe_hw
*hw
)
72 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
73 u32 timeout
= IXGBE_VF_INIT_TIMEOUT
;
74 s32 ret_val
= IXGBE_ERR_INVALID_MAC_ADDR
;
75 u32 msgbuf
[IXGBE_VF_PERMADDR_MSG_LEN
];
76 u8
*addr
= (u8
*)(&msgbuf
[1]);
78 /* Call adapter stop to disable tx/rx and clear interrupts */
79 hw
->mac
.ops
.stop_adapter(hw
);
81 /* reset the api version */
82 hw
->api_version
= ixgbe_mbox_api_10
;
84 IXGBE_WRITE_REG(hw
, IXGBE_VFCTRL
, IXGBE_CTRL_RST
);
85 IXGBE_WRITE_FLUSH(hw
);
87 /* we cannot reset while the RSTI / RSTD bits are asserted */
88 while (!mbx
->ops
.check_for_rst(hw
) && timeout
) {
94 return IXGBE_ERR_RESET_FAILED
;
96 /* mailbox timeout can now become active */
97 mbx
->timeout
= IXGBE_VF_MBX_INIT_TIMEOUT
;
99 msgbuf
[0] = IXGBE_VF_RESET
;
100 mbx
->ops
.write_posted(hw
, msgbuf
, 1);
104 /* set our "perm_addr" based on info provided by PF
105 * also set up the mc_filter_type which is piggy backed
106 * on the mac address in word 3
108 ret_val
= mbx
->ops
.read_posted(hw
, msgbuf
, IXGBE_VF_PERMADDR_MSG_LEN
);
112 /* New versions of the PF may NACK the reset return message
113 * to indicate that no MAC address has yet been assigned for
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
;
120 if (msgbuf
[0] == (IXGBE_VF_RESET
| IXGBE_VT_MSGTYPE_ACK
))
121 ether_addr_copy(hw
->mac
.perm_addr
, addr
);
123 hw
->mac
.mc_filter_type
= msgbuf
[IXGBE_VF_MC_TYPE_WORD
];
129 * ixgbevf_stop_hw_vf - Generic stop Tx/Rx units
130 * @hw: pointer to hardware structure
132 * Sets the adapter_stopped flag within ixgbe_hw struct. Clears interrupts,
133 * disables transmit and receive units. The adapter_stopped flag is used by
134 * the shared code and drivers to determine if the adapter is in a stopped
135 * state and should not touch the hardware.
137 static s32
ixgbevf_stop_hw_vf(struct ixgbe_hw
*hw
)
139 u32 number_of_queues
;
143 /* Set the adapter_stopped flag so other driver functions stop touching
146 hw
->adapter_stopped
= true;
148 /* Disable the receive unit by stopped each queue */
149 number_of_queues
= hw
->mac
.max_rx_queues
;
150 for (i
= 0; i
< number_of_queues
; i
++) {
151 reg_val
= IXGBE_READ_REG(hw
, IXGBE_VFRXDCTL(i
));
152 if (reg_val
& IXGBE_RXDCTL_ENABLE
) {
153 reg_val
&= ~IXGBE_RXDCTL_ENABLE
;
154 IXGBE_WRITE_REG(hw
, IXGBE_VFRXDCTL(i
), reg_val
);
158 IXGBE_WRITE_FLUSH(hw
);
160 /* Clear interrupt mask to stop from interrupts being generated */
161 IXGBE_WRITE_REG(hw
, IXGBE_VTEIMC
, IXGBE_VF_IRQ_CLEAR_MASK
);
163 /* Clear any pending interrupts */
164 IXGBE_READ_REG(hw
, IXGBE_VTEICR
);
166 /* Disable the transmit unit. Each queue must be disabled. */
167 number_of_queues
= hw
->mac
.max_tx_queues
;
168 for (i
= 0; i
< number_of_queues
; i
++) {
169 reg_val
= IXGBE_READ_REG(hw
, IXGBE_VFTXDCTL(i
));
170 if (reg_val
& IXGBE_TXDCTL_ENABLE
) {
171 reg_val
&= ~IXGBE_TXDCTL_ENABLE
;
172 IXGBE_WRITE_REG(hw
, IXGBE_VFTXDCTL(i
), reg_val
);
180 * ixgbevf_mta_vector - Determines bit-vector in multicast table to set
181 * @hw: pointer to hardware structure
182 * @mc_addr: the multicast address
184 * Extracts the 12 bits, from a multicast address, to determine which
185 * bit-vector to set in the multicast table. The hardware uses 12 bits, from
186 * incoming Rx multicast addresses, to determine the bit-vector to check in
187 * the MTA. Which of the 4 combination, of 12-bits, the hardware uses is set
188 * by the MO field of the MCSTCTRL. The MO field is set during initialization
191 static s32
ixgbevf_mta_vector(struct ixgbe_hw
*hw
, u8
*mc_addr
)
195 switch (hw
->mac
.mc_filter_type
) {
196 case 0: /* use bits [47:36] of the address */
197 vector
= ((mc_addr
[4] >> 4) | (((u16
)mc_addr
[5]) << 4));
199 case 1: /* use bits [46:35] of the address */
200 vector
= ((mc_addr
[4] >> 3) | (((u16
)mc_addr
[5]) << 5));
202 case 2: /* use bits [45:34] of the address */
203 vector
= ((mc_addr
[4] >> 2) | (((u16
)mc_addr
[5]) << 6));
205 case 3: /* use bits [43:32] of the address */
206 vector
= ((mc_addr
[4]) | (((u16
)mc_addr
[5]) << 8));
208 default: /* Invalid mc_filter_type */
212 /* vector can only be 12-bits or boundary will be exceeded */
218 * ixgbevf_get_mac_addr_vf - Read device MAC address
219 * @hw: pointer to the HW structure
220 * @mac_addr: pointer to storage for retrieved MAC address
222 static s32
ixgbevf_get_mac_addr_vf(struct ixgbe_hw
*hw
, u8
*mac_addr
)
224 ether_addr_copy(mac_addr
, hw
->mac
.perm_addr
);
229 static s32
ixgbevf_set_uc_addr_vf(struct ixgbe_hw
*hw
, u32 index
, u8
*addr
)
231 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
233 u8
*msg_addr
= (u8
*)(&msgbuf
[1]);
236 memset(msgbuf
, 0, sizeof(msgbuf
));
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.
242 msgbuf
[0] |= index
<< IXGBE_VT_MSGINFO_SHIFT
;
243 msgbuf
[0] |= IXGBE_VF_SET_MACVLAN
;
245 ether_addr_copy(msg_addr
, addr
);
246 ret_val
= mbx
->ops
.write_posted(hw
, msgbuf
, 3);
249 ret_val
= mbx
->ops
.read_posted(hw
, msgbuf
, 3);
251 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
255 (IXGBE_VF_SET_MACVLAN
| IXGBE_VT_MSGTYPE_NACK
))
262 * ixgbevf_get_reta_locked - get the RSS redirection table (RETA) contents.
263 * @adapter: pointer to the port handle
264 * @reta: buffer to fill with RETA contents.
265 * @num_rx_queues: Number of Rx queues configured for this port
267 * The "reta" buffer should be big enough to contain 32 registers.
269 * Returns: 0 on success.
270 * if API doesn't support this operation - (-EOPNOTSUPP).
272 int ixgbevf_get_reta_locked(struct ixgbe_hw
*hw
, u32
*reta
, int num_rx_queues
)
275 u32 msgbuf
[IXGBE_VFMAILBOX_SIZE
];
276 u32
*hw_reta
= &msgbuf
[1];
279 /* We have to use a mailbox for 82599 and x540 devices only.
280 * For these devices RETA has 128 entries.
281 * Also these VFs support up to 4 RSS queues. Therefore PF will compress
282 * 16 RETA entries in each DWORD giving 2 bits to each entry.
284 int dwords
= IXGBEVF_82599_RETA_SIZE
/ 16;
286 /* We support the RSS querying for 82599 and x540 devices only.
287 * Thus return an error if API doesn't support RETA querying or querying
288 * is not supported for this device type.
290 if (hw
->api_version
!= ixgbe_mbox_api_12
||
291 hw
->mac
.type
>= ixgbe_mac_X550_vf
)
294 msgbuf
[0] = IXGBE_VF_GET_RETA
;
296 err
= hw
->mbx
.ops
.write_posted(hw
, msgbuf
, 1);
301 err
= hw
->mbx
.ops
.read_posted(hw
, msgbuf
, dwords
+ 1);
306 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
308 /* If the operation has been refused by a PF return -EPERM */
309 if (msgbuf
[0] == (IXGBE_VF_GET_RETA
| IXGBE_VT_MSGTYPE_NACK
))
312 /* If we didn't get an ACK there must have been
313 * some sort of mailbox error so we should treat it
316 if (msgbuf
[0] != (IXGBE_VF_GET_RETA
| IXGBE_VT_MSGTYPE_ACK
))
317 return IXGBE_ERR_MBX
;
319 /* ixgbevf doesn't support more than 2 queues at the moment */
320 if (num_rx_queues
> 1)
323 for (i
= 0; i
< dwords
; i
++)
324 for (j
= 0; j
< 16; j
++)
325 reta
[i
* 16 + j
] = (hw_reta
[i
] >> (2 * j
)) & mask
;
331 * ixgbevf_get_rss_key_locked - get the RSS Random Key
332 * @hw: pointer to the HW structure
333 * @rss_key: buffer to fill with RSS Hash Key contents.
335 * The "rss_key" buffer should be big enough to contain 10 registers.
337 * Returns: 0 on success.
338 * if API doesn't support this operation - (-EOPNOTSUPP).
340 int ixgbevf_get_rss_key_locked(struct ixgbe_hw
*hw
, u8
*rss_key
)
343 u32 msgbuf
[IXGBE_VFMAILBOX_SIZE
];
345 /* We currently support the RSS Random Key retrieval for 82599 and x540
348 * Thus return an error if API doesn't support RSS Random Key retrieval
349 * or if the operation is not supported for this device type.
351 if (hw
->api_version
!= ixgbe_mbox_api_12
||
352 hw
->mac
.type
>= ixgbe_mac_X550_vf
)
355 msgbuf
[0] = IXGBE_VF_GET_RSS_KEY
;
356 err
= hw
->mbx
.ops
.write_posted(hw
, msgbuf
, 1);
361 err
= hw
->mbx
.ops
.read_posted(hw
, msgbuf
, 11);
366 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
368 /* If the operation has been refused by a PF return -EPERM */
369 if (msgbuf
[0] == (IXGBE_VF_GET_RETA
| IXGBE_VT_MSGTYPE_NACK
))
372 /* If we didn't get an ACK there must have been
373 * some sort of mailbox error so we should treat it
376 if (msgbuf
[0] != (IXGBE_VF_GET_RSS_KEY
| IXGBE_VT_MSGTYPE_ACK
))
377 return IXGBE_ERR_MBX
;
379 memcpy(rss_key
, msgbuf
+ 1, IXGBEVF_RSS_HASH_KEY_SIZE
);
385 * ixgbevf_set_rar_vf - set device MAC address
386 * @hw: pointer to hardware structure
387 * @index: Receive address register to write
388 * @addr: Address to put into receive address register
389 * @vmdq: Unused in this implementation
391 static s32
ixgbevf_set_rar_vf(struct ixgbe_hw
*hw
, u32 index
, u8
*addr
,
394 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
396 u8
*msg_addr
= (u8
*)(&msgbuf
[1]);
399 memset(msgbuf
, 0, sizeof(msgbuf
));
400 msgbuf
[0] = IXGBE_VF_SET_MAC_ADDR
;
401 ether_addr_copy(msg_addr
, addr
);
402 ret_val
= mbx
->ops
.write_posted(hw
, msgbuf
, 3);
405 ret_val
= mbx
->ops
.read_posted(hw
, msgbuf
, 3);
407 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
409 /* if nacked the address was rejected, use "perm_addr" */
411 (msgbuf
[0] == (IXGBE_VF_SET_MAC_ADDR
| IXGBE_VT_MSGTYPE_NACK
)))
412 ixgbevf_get_mac_addr_vf(hw
, hw
->mac
.addr
);
417 static void ixgbevf_write_msg_read_ack(struct ixgbe_hw
*hw
,
420 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
421 u32 retmsg
[IXGBE_VFMAILBOX_SIZE
];
422 s32 retval
= mbx
->ops
.write_posted(hw
, msg
, size
);
425 mbx
->ops
.read_posted(hw
, retmsg
, size
);
429 * ixgbevf_update_mc_addr_list_vf - Update Multicast addresses
430 * @hw: pointer to the HW structure
431 * @netdev: pointer to net device structure
433 * Updates the Multicast Table Array.
435 static s32
ixgbevf_update_mc_addr_list_vf(struct ixgbe_hw
*hw
,
436 struct net_device
*netdev
)
438 struct netdev_hw_addr
*ha
;
439 u32 msgbuf
[IXGBE_VFMAILBOX_SIZE
];
440 u16
*vector_list
= (u16
*)&msgbuf
[1];
443 /* Each entry in the list uses 1 16 bit word. We have 30
444 * 16 bit words available in our HW msg buffer (minus 1 for the
445 * msg type). That's 30 hash values if we pack 'em right. If
446 * there are more than 30 MC addresses to add then punt the
447 * extras for now and then add code to handle more than 30 later.
448 * It would be unusual for a server to request that many multi-cast
449 * addresses except for in large enterprise network environments.
452 cnt
= netdev_mc_count(netdev
);
455 msgbuf
[0] = IXGBE_VF_SET_MULTICAST
;
456 msgbuf
[0] |= cnt
<< IXGBE_VT_MSGINFO_SHIFT
;
459 netdev_for_each_mc_addr(ha
, netdev
) {
462 if (is_link_local_ether_addr(ha
->addr
))
465 vector_list
[i
++] = ixgbevf_mta_vector(hw
, ha
->addr
);
468 ixgbevf_write_msg_read_ack(hw
, msgbuf
, IXGBE_VFMAILBOX_SIZE
);
474 * ixgbevf_update_xcast_mode - Update Multicast mode
475 * @hw: pointer to the HW structure
476 * @netdev: pointer to net device structure
477 * @xcast_mode: new multicast mode
479 * Updates the Multicast Mode of VF.
481 static s32
ixgbevf_update_xcast_mode(struct ixgbe_hw
*hw
,
482 struct net_device
*netdev
, int xcast_mode
)
484 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
488 switch (hw
->api_version
) {
489 case ixgbe_mbox_api_12
:
495 msgbuf
[0] = IXGBE_VF_UPDATE_XCAST_MODE
;
496 msgbuf
[1] = xcast_mode
;
498 err
= mbx
->ops
.write_posted(hw
, msgbuf
, 2);
502 err
= mbx
->ops
.read_posted(hw
, msgbuf
, 2);
506 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
507 if (msgbuf
[0] == (IXGBE_VF_UPDATE_XCAST_MODE
| IXGBE_VT_MSGTYPE_NACK
))
514 * ixgbevf_set_vfta_vf - Set/Unset VLAN filter table address
515 * @hw: pointer to the HW structure
516 * @vlan: 12 bit VLAN ID
517 * @vind: unused by VF drivers
518 * @vlan_on: if true then set bit, else clear bit
520 static s32
ixgbevf_set_vfta_vf(struct ixgbe_hw
*hw
, u32 vlan
, u32 vind
,
523 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
527 msgbuf
[0] = IXGBE_VF_SET_VLAN
;
529 /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
530 msgbuf
[0] |= vlan_on
<< IXGBE_VT_MSGINFO_SHIFT
;
532 err
= mbx
->ops
.write_posted(hw
, msgbuf
, 2);
536 err
= mbx
->ops
.read_posted(hw
, msgbuf
, 2);
540 /* remove extra bits from the message */
541 msgbuf
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
542 msgbuf
[0] &= ~(0xFF << IXGBE_VT_MSGINFO_SHIFT
);
544 if (msgbuf
[0] != (IXGBE_VF_SET_VLAN
| IXGBE_VT_MSGTYPE_ACK
))
545 err
= IXGBE_ERR_INVALID_ARGUMENT
;
552 * ixgbevf_setup_mac_link_vf - Setup MAC link settings
553 * @hw: pointer to hardware structure
554 * @speed: Unused in this implementation
555 * @autoneg: Unused in this implementation
556 * @autoneg_wait_to_complete: Unused in this implementation
558 * Do nothing and return success. VF drivers are not allowed to change
559 * global settings. Maintained for driver compatibility.
561 static s32
ixgbevf_setup_mac_link_vf(struct ixgbe_hw
*hw
,
562 ixgbe_link_speed speed
, bool autoneg
,
563 bool autoneg_wait_to_complete
)
569 * ixgbevf_check_mac_link_vf - Get link/speed status
570 * @hw: pointer to hardware structure
571 * @speed: pointer to link speed
572 * @link_up: true is link is up, false otherwise
573 * @autoneg_wait_to_complete: true when waiting for completion is needed
575 * Reads the links register to determine if link is up and the current speed
577 static s32
ixgbevf_check_mac_link_vf(struct ixgbe_hw
*hw
,
578 ixgbe_link_speed
*speed
,
580 bool autoneg_wait_to_complete
)
582 struct ixgbe_mbx_info
*mbx
= &hw
->mbx
;
583 struct ixgbe_mac_info
*mac
= &hw
->mac
;
588 /* If we were hit with a reset drop the link */
589 if (!mbx
->ops
.check_for_rst(hw
) || !mbx
->timeout
)
590 mac
->get_link_status
= true;
592 if (!mac
->get_link_status
)
595 /* if link status is down no point in checking to see if pf is up */
596 links_reg
= IXGBE_READ_REG(hw
, IXGBE_VFLINKS
);
597 if (!(links_reg
& IXGBE_LINKS_UP
))
600 /* for SFP+ modules and DA cables on 82599 it can take up to 500usecs
601 * before the link status is correct
603 if (mac
->type
== ixgbe_mac_82599_vf
) {
606 for (i
= 0; i
< 5; i
++) {
608 links_reg
= IXGBE_READ_REG(hw
, IXGBE_VFLINKS
);
610 if (!(links_reg
& IXGBE_LINKS_UP
))
615 switch (links_reg
& IXGBE_LINKS_SPEED_82599
) {
616 case IXGBE_LINKS_SPEED_10G_82599
:
617 *speed
= IXGBE_LINK_SPEED_10GB_FULL
;
619 case IXGBE_LINKS_SPEED_1G_82599
:
620 *speed
= IXGBE_LINK_SPEED_1GB_FULL
;
622 case IXGBE_LINKS_SPEED_100_82599
:
623 *speed
= IXGBE_LINK_SPEED_100_FULL
;
627 /* if the read failed it could just be a mailbox collision, best wait
628 * until we are called again and don't report an error
630 if (mbx
->ops
.read(hw
, &in_msg
, 1))
633 if (!(in_msg
& IXGBE_VT_MSGTYPE_CTS
)) {
634 /* msg is not CTS and is NACK we must have lost CTS status */
635 if (in_msg
& IXGBE_VT_MSGTYPE_NACK
)
640 /* the pf is talking, if we timed out in the past we reinit */
646 /* if we passed all the tests above then the link is up and we no
647 * longer need to check for link
649 mac
->get_link_status
= false;
652 *link_up
= !mac
->get_link_status
;
657 * ixgbevf_rlpml_set_vf - Set the maximum receive packet length
658 * @hw: pointer to the HW structure
659 * @max_size: value to assign to max frame size
661 void ixgbevf_rlpml_set_vf(struct ixgbe_hw
*hw
, u16 max_size
)
665 msgbuf
[0] = IXGBE_VF_SET_LPE
;
666 msgbuf
[1] = max_size
;
667 ixgbevf_write_msg_read_ack(hw
, msgbuf
, 2);
671 * ixgbevf_negotiate_api_version - Negotiate supported API version
672 * @hw: pointer to the HW structure
673 * @api: integer containing requested API version
675 int ixgbevf_negotiate_api_version(struct ixgbe_hw
*hw
, int api
)
680 /* Negotiate the mailbox API version */
681 msg
[0] = IXGBE_VF_API_NEGOTIATE
;
684 err
= hw
->mbx
.ops
.write_posted(hw
, msg
, 3);
687 err
= hw
->mbx
.ops
.read_posted(hw
, msg
, 3);
690 msg
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
692 /* Store value and return 0 on success */
693 if (msg
[0] == (IXGBE_VF_API_NEGOTIATE
| IXGBE_VT_MSGTYPE_ACK
)) {
694 hw
->api_version
= api
;
698 err
= IXGBE_ERR_INVALID_ARGUMENT
;
704 int ixgbevf_get_queues(struct ixgbe_hw
*hw
, unsigned int *num_tcs
,
705 unsigned int *default_tc
)
710 /* do nothing if API doesn't support ixgbevf_get_queues */
711 switch (hw
->api_version
) {
712 case ixgbe_mbox_api_11
:
713 case ixgbe_mbox_api_12
:
719 /* Fetch queue configuration from the PF */
720 msg
[0] = IXGBE_VF_GET_QUEUE
;
721 msg
[1] = msg
[2] = msg
[3] = msg
[4] = 0;
722 err
= hw
->mbx
.ops
.write_posted(hw
, msg
, 5);
725 err
= hw
->mbx
.ops
.read_posted(hw
, msg
, 5);
728 msg
[0] &= ~IXGBE_VT_MSGTYPE_CTS
;
730 /* if we we didn't get an ACK there must have been
731 * some sort of mailbox error so we should treat it
734 if (msg
[0] != (IXGBE_VF_GET_QUEUE
| IXGBE_VT_MSGTYPE_ACK
))
735 return IXGBE_ERR_MBX
;
737 /* record and validate values from message */
738 hw
->mac
.max_tx_queues
= msg
[IXGBE_VF_TX_QUEUES
];
739 if (hw
->mac
.max_tx_queues
== 0 ||
740 hw
->mac
.max_tx_queues
> IXGBE_VF_MAX_TX_QUEUES
)
741 hw
->mac
.max_tx_queues
= IXGBE_VF_MAX_TX_QUEUES
;
743 hw
->mac
.max_rx_queues
= msg
[IXGBE_VF_RX_QUEUES
];
744 if (hw
->mac
.max_rx_queues
== 0 ||
745 hw
->mac
.max_rx_queues
> IXGBE_VF_MAX_RX_QUEUES
)
746 hw
->mac
.max_rx_queues
= IXGBE_VF_MAX_RX_QUEUES
;
748 *num_tcs
= msg
[IXGBE_VF_TRANS_VLAN
];
749 /* in case of unknown state assume we cannot tag frames */
750 if (*num_tcs
> hw
->mac
.max_rx_queues
)
753 *default_tc
= msg
[IXGBE_VF_DEF_QUEUE
];
754 /* default to queue 0 on out-of-bounds queue number */
755 if (*default_tc
>= hw
->mac
.max_tx_queues
)
762 static const struct ixgbe_mac_operations ixgbevf_mac_ops
= {
763 .init_hw
= ixgbevf_init_hw_vf
,
764 .reset_hw
= ixgbevf_reset_hw_vf
,
765 .start_hw
= ixgbevf_start_hw_vf
,
766 .get_mac_addr
= ixgbevf_get_mac_addr_vf
,
767 .stop_adapter
= ixgbevf_stop_hw_vf
,
768 .setup_link
= ixgbevf_setup_mac_link_vf
,
769 .check_link
= ixgbevf_check_mac_link_vf
,
770 .set_rar
= ixgbevf_set_rar_vf
,
771 .update_mc_addr_list
= ixgbevf_update_mc_addr_list_vf
,
772 .update_xcast_mode
= ixgbevf_update_xcast_mode
,
773 .set_uc_addr
= ixgbevf_set_uc_addr_vf
,
774 .set_vfta
= ixgbevf_set_vfta_vf
,
777 const struct ixgbevf_info ixgbevf_82599_vf_info
= {
778 .mac
= ixgbe_mac_82599_vf
,
779 .mac_ops
= &ixgbevf_mac_ops
,
782 const struct ixgbevf_info ixgbevf_X540_vf_info
= {
783 .mac
= ixgbe_mac_X540_vf
,
784 .mac_ops
= &ixgbevf_mac_ops
,
787 const struct ixgbevf_info ixgbevf_X550_vf_info
= {
788 .mac
= ixgbe_mac_X550_vf
,
789 .mac_ops
= &ixgbevf_mac_ops
,
792 const struct ixgbevf_info ixgbevf_X550EM_x_vf_info
= {
793 .mac
= ixgbe_mac_X550EM_x_vf
,
794 .mac_ops
= &ixgbevf_mac_ops
,