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i40e: For VF reset (VFR and VFLR) add some more delay
[deliverable/linux.git] / drivers / net / ethernet / intel / i40e / i40e_virtchnl_pf.c
1 /*******************************************************************************
2 *
3 * Intel Ethernet Controller XL710 Family Linux Driver
4 * Copyright(c) 2013 - 2015 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
16 * with this program. If not, see <http://www.gnu.org/licenses/>.
17 *
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
24 *
25 ******************************************************************************/
26
27 #include "i40e.h"
28
29 /*********************notification routines***********************/
30
31 /**
32 * i40e_vc_vf_broadcast
33 * @pf: pointer to the PF structure
34 * @opcode: operation code
35 * @retval: return value
36 * @msg: pointer to the msg buffer
37 * @msglen: msg length
38 *
39 * send a message to all VFs on a given PF
40 **/
41 static void i40e_vc_vf_broadcast(struct i40e_pf *pf,
42 enum i40e_virtchnl_ops v_opcode,
43 i40e_status v_retval, u8 *msg,
44 u16 msglen)
45 {
46 struct i40e_hw *hw = &pf->hw;
47 struct i40e_vf *vf = pf->vf;
48 int i;
49
50 for (i = 0; i < pf->num_alloc_vfs; i++, vf++) {
51 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
52 /* Not all vfs are enabled so skip the ones that are not */
53 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
54 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
55 continue;
56
57 /* Ignore return value on purpose - a given VF may fail, but
58 * we need to keep going and send to all of them
59 */
60 i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
61 msg, msglen, NULL);
62 }
63 }
64
65 /**
66 * i40e_vc_notify_link_state
67 * @vf: pointer to the VF structure
68 *
69 * send a link status message to a single VF
70 **/
71 static void i40e_vc_notify_vf_link_state(struct i40e_vf *vf)
72 {
73 struct i40e_virtchnl_pf_event pfe;
74 struct i40e_pf *pf = vf->pf;
75 struct i40e_hw *hw = &pf->hw;
76 struct i40e_link_status *ls = &pf->hw.phy.link_info;
77 int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
78
79 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
80 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
81 if (vf->link_forced) {
82 pfe.event_data.link_event.link_status = vf->link_up;
83 pfe.event_data.link_event.link_speed =
84 (vf->link_up ? I40E_LINK_SPEED_40GB : 0);
85 } else {
86 pfe.event_data.link_event.link_status =
87 ls->link_info & I40E_AQ_LINK_UP;
88 pfe.event_data.link_event.link_speed = ls->link_speed;
89 }
90 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
91 0, (u8 *)&pfe, sizeof(pfe), NULL);
92 }
93
94 /**
95 * i40e_vc_notify_link_state
96 * @pf: pointer to the PF structure
97 *
98 * send a link status message to all VFs on a given PF
99 **/
100 void i40e_vc_notify_link_state(struct i40e_pf *pf)
101 {
102 int i;
103
104 for (i = 0; i < pf->num_alloc_vfs; i++)
105 i40e_vc_notify_vf_link_state(&pf->vf[i]);
106 }
107
108 /**
109 * i40e_vc_notify_reset
110 * @pf: pointer to the PF structure
111 *
112 * indicate a pending reset to all VFs on a given PF
113 **/
114 void i40e_vc_notify_reset(struct i40e_pf *pf)
115 {
116 struct i40e_virtchnl_pf_event pfe;
117
118 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
119 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
120 i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, 0,
121 (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event));
122 }
123
124 /**
125 * i40e_vc_notify_vf_reset
126 * @vf: pointer to the VF structure
127 *
128 * indicate a pending reset to the given VF
129 **/
130 void i40e_vc_notify_vf_reset(struct i40e_vf *vf)
131 {
132 struct i40e_virtchnl_pf_event pfe;
133 int abs_vf_id;
134
135 /* validate the request */
136 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
137 return;
138
139 /* verify if the VF is in either init or active before proceeding */
140 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states) &&
141 !test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
142 return;
143
144 abs_vf_id = vf->vf_id + vf->pf->hw.func_caps.vf_base_id;
145
146 pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING;
147 pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM;
148 i40e_aq_send_msg_to_vf(&vf->pf->hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
149 0, (u8 *)&pfe,
150 sizeof(struct i40e_virtchnl_pf_event), NULL);
151 }
152 /***********************misc routines*****************************/
153
154 /**
155 * i40e_vc_disable_vf
156 * @pf: pointer to the PF info
157 * @vf: pointer to the VF info
158 *
159 * Disable the VF through a SW reset
160 **/
161 static inline void i40e_vc_disable_vf(struct i40e_pf *pf, struct i40e_vf *vf)
162 {
163 struct i40e_hw *hw = &pf->hw;
164 u32 reg;
165
166 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
167 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
168 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
169 i40e_flush(hw);
170 }
171
172 /**
173 * i40e_vc_isvalid_vsi_id
174 * @vf: pointer to the VF info
175 * @vsi_id: VF relative VSI id
176 *
177 * check for the valid VSI id
178 **/
179 static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id)
180 {
181 struct i40e_pf *pf = vf->pf;
182 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
183
184 return (vsi && (vsi->vf_id == vf->vf_id));
185 }
186
187 /**
188 * i40e_vc_isvalid_queue_id
189 * @vf: pointer to the VF info
190 * @vsi_id: vsi id
191 * @qid: vsi relative queue id
192 *
193 * check for the valid queue id
194 **/
195 static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id,
196 u8 qid)
197 {
198 struct i40e_pf *pf = vf->pf;
199 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
200
201 return (vsi && (qid < vsi->alloc_queue_pairs));
202 }
203
204 /**
205 * i40e_vc_isvalid_vector_id
206 * @vf: pointer to the VF info
207 * @vector_id: VF relative vector id
208 *
209 * check for the valid vector id
210 **/
211 static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id)
212 {
213 struct i40e_pf *pf = vf->pf;
214
215 return vector_id < pf->hw.func_caps.num_msix_vectors_vf;
216 }
217
218 /***********************vf resource mgmt routines*****************/
219
220 /**
221 * i40e_vc_get_pf_queue_id
222 * @vf: pointer to the VF info
223 * @vsi_id: id of VSI as provided by the FW
224 * @vsi_queue_id: vsi relative queue id
225 *
226 * return PF relative queue id
227 **/
228 static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id,
229 u8 vsi_queue_id)
230 {
231 struct i40e_pf *pf = vf->pf;
232 struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id);
233 u16 pf_queue_id = I40E_QUEUE_END_OF_LIST;
234
235 if (!vsi)
236 return pf_queue_id;
237
238 if (le16_to_cpu(vsi->info.mapping_flags) &
239 I40E_AQ_VSI_QUE_MAP_NONCONTIG)
240 pf_queue_id =
241 le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]);
242 else
243 pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) +
244 vsi_queue_id;
245
246 return pf_queue_id;
247 }
248
249 /**
250 * i40e_config_irq_link_list
251 * @vf: pointer to the VF info
252 * @vsi_id: id of VSI as given by the FW
253 * @vecmap: irq map info
254 *
255 * configure irq link list from the map
256 **/
257 static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id,
258 struct i40e_virtchnl_vector_map *vecmap)
259 {
260 unsigned long linklistmap = 0, tempmap;
261 struct i40e_pf *pf = vf->pf;
262 struct i40e_hw *hw = &pf->hw;
263 u16 vsi_queue_id, pf_queue_id;
264 enum i40e_queue_type qtype;
265 u16 next_q, vector_id;
266 u32 reg, reg_idx;
267 u16 itr_idx = 0;
268
269 vector_id = vecmap->vector_id;
270 /* setup the head */
271 if (0 == vector_id)
272 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
273 else
274 reg_idx = I40E_VPINT_LNKLSTN(
275 ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) +
276 (vector_id - 1));
277
278 if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) {
279 /* Special case - No queues mapped on this vector */
280 wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK);
281 goto irq_list_done;
282 }
283 tempmap = vecmap->rxq_map;
284 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
285 linklistmap |= (1 <<
286 (I40E_VIRTCHNL_SUPPORTED_QTYPES *
287 vsi_queue_id));
288 }
289
290 tempmap = vecmap->txq_map;
291 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
292 linklistmap |= (1 <<
293 (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id
294 + 1));
295 }
296
297 next_q = find_first_bit(&linklistmap,
298 (I40E_MAX_VSI_QP *
299 I40E_VIRTCHNL_SUPPORTED_QTYPES));
300 vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES;
301 qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES;
302 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
303 reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id);
304
305 wr32(hw, reg_idx, reg);
306
307 while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
308 switch (qtype) {
309 case I40E_QUEUE_TYPE_RX:
310 reg_idx = I40E_QINT_RQCTL(pf_queue_id);
311 itr_idx = vecmap->rxitr_idx;
312 break;
313 case I40E_QUEUE_TYPE_TX:
314 reg_idx = I40E_QINT_TQCTL(pf_queue_id);
315 itr_idx = vecmap->txitr_idx;
316 break;
317 default:
318 break;
319 }
320
321 next_q = find_next_bit(&linklistmap,
322 (I40E_MAX_VSI_QP *
323 I40E_VIRTCHNL_SUPPORTED_QTYPES),
324 next_q + 1);
325 if (next_q <
326 (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) {
327 vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES;
328 qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES;
329 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id,
330 vsi_queue_id);
331 } else {
332 pf_queue_id = I40E_QUEUE_END_OF_LIST;
333 qtype = 0;
334 }
335
336 /* format for the RQCTL & TQCTL regs is same */
337 reg = (vector_id) |
338 (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) |
339 (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) |
340 (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) |
341 (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT);
342 wr32(hw, reg_idx, reg);
343 }
344
345 irq_list_done:
346 i40e_flush(hw);
347 }
348
349 /**
350 * i40e_config_vsi_tx_queue
351 * @vf: pointer to the VF info
352 * @vsi_id: id of VSI as provided by the FW
353 * @vsi_queue_id: vsi relative queue index
354 * @info: config. info
355 *
356 * configure tx queue
357 **/
358 static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id,
359 u16 vsi_queue_id,
360 struct i40e_virtchnl_txq_info *info)
361 {
362 struct i40e_pf *pf = vf->pf;
363 struct i40e_hw *hw = &pf->hw;
364 struct i40e_hmc_obj_txq tx_ctx;
365 struct i40e_vsi *vsi;
366 u16 pf_queue_id;
367 u32 qtx_ctl;
368 int ret = 0;
369
370 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
371 vsi = i40e_find_vsi_from_id(pf, vsi_id);
372
373 /* clear the context structure first */
374 memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq));
375
376 /* only set the required fields */
377 tx_ctx.base = info->dma_ring_addr / 128;
378 tx_ctx.qlen = info->ring_len;
379 tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]);
380 tx_ctx.rdylist_act = 0;
381 tx_ctx.head_wb_ena = info->headwb_enabled;
382 tx_ctx.head_wb_addr = info->dma_headwb_addr;
383
384 /* clear the context in the HMC */
385 ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id);
386 if (ret) {
387 dev_err(&pf->pdev->dev,
388 "Failed to clear VF LAN Tx queue context %d, error: %d\n",
389 pf_queue_id, ret);
390 ret = -ENOENT;
391 goto error_context;
392 }
393
394 /* set the context in the HMC */
395 ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx);
396 if (ret) {
397 dev_err(&pf->pdev->dev,
398 "Failed to set VF LAN Tx queue context %d error: %d\n",
399 pf_queue_id, ret);
400 ret = -ENOENT;
401 goto error_context;
402 }
403
404 /* associate this queue with the PCI VF function */
405 qtx_ctl = I40E_QTX_CTL_VF_QUEUE;
406 qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT)
407 & I40E_QTX_CTL_PF_INDX_MASK);
408 qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id)
409 << I40E_QTX_CTL_VFVM_INDX_SHIFT)
410 & I40E_QTX_CTL_VFVM_INDX_MASK);
411 wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl);
412 i40e_flush(hw);
413
414 error_context:
415 return ret;
416 }
417
418 /**
419 * i40e_config_vsi_rx_queue
420 * @vf: pointer to the VF info
421 * @vsi_id: id of VSI as provided by the FW
422 * @vsi_queue_id: vsi relative queue index
423 * @info: config. info
424 *
425 * configure rx queue
426 **/
427 static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id,
428 u16 vsi_queue_id,
429 struct i40e_virtchnl_rxq_info *info)
430 {
431 struct i40e_pf *pf = vf->pf;
432 struct i40e_hw *hw = &pf->hw;
433 struct i40e_hmc_obj_rxq rx_ctx;
434 u16 pf_queue_id;
435 int ret = 0;
436
437 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id);
438
439 /* clear the context structure first */
440 memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq));
441
442 /* only set the required fields */
443 rx_ctx.base = info->dma_ring_addr / 128;
444 rx_ctx.qlen = info->ring_len;
445
446 if (info->splithdr_enabled) {
447 rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 |
448 I40E_RX_SPLIT_IP |
449 I40E_RX_SPLIT_TCP_UDP |
450 I40E_RX_SPLIT_SCTP;
451 /* header length validation */
452 if (info->hdr_size > ((2 * 1024) - 64)) {
453 ret = -EINVAL;
454 goto error_param;
455 }
456 rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT;
457
458 /* set splitalways mode 10b */
459 rx_ctx.dtype = 0x2;
460 }
461
462 /* databuffer length validation */
463 if (info->databuffer_size > ((16 * 1024) - 128)) {
464 ret = -EINVAL;
465 goto error_param;
466 }
467 rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT;
468
469 /* max pkt. length validation */
470 if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) {
471 ret = -EINVAL;
472 goto error_param;
473 }
474 rx_ctx.rxmax = info->max_pkt_size;
475
476 /* enable 32bytes desc always */
477 rx_ctx.dsize = 1;
478
479 /* default values */
480 rx_ctx.lrxqthresh = 2;
481 rx_ctx.crcstrip = 1;
482 rx_ctx.prefena = 1;
483 rx_ctx.l2tsel = 1;
484
485 /* clear the context in the HMC */
486 ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id);
487 if (ret) {
488 dev_err(&pf->pdev->dev,
489 "Failed to clear VF LAN Rx queue context %d, error: %d\n",
490 pf_queue_id, ret);
491 ret = -ENOENT;
492 goto error_param;
493 }
494
495 /* set the context in the HMC */
496 ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx);
497 if (ret) {
498 dev_err(&pf->pdev->dev,
499 "Failed to set VF LAN Rx queue context %d error: %d\n",
500 pf_queue_id, ret);
501 ret = -ENOENT;
502 goto error_param;
503 }
504
505 error_param:
506 return ret;
507 }
508
509 /**
510 * i40e_alloc_vsi_res
511 * @vf: pointer to the VF info
512 * @type: type of VSI to allocate
513 *
514 * alloc VF vsi context & resources
515 **/
516 static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type)
517 {
518 struct i40e_mac_filter *f = NULL;
519 struct i40e_pf *pf = vf->pf;
520 struct i40e_vsi *vsi;
521 int ret = 0;
522
523 vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id);
524
525 if (!vsi) {
526 dev_err(&pf->pdev->dev,
527 "add vsi failed for VF %d, aq_err %d\n",
528 vf->vf_id, pf->hw.aq.asq_last_status);
529 ret = -ENOENT;
530 goto error_alloc_vsi_res;
531 }
532 if (type == I40E_VSI_SRIOV) {
533 u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
534 vf->lan_vsi_idx = vsi->idx;
535 vf->lan_vsi_id = vsi->id;
536 /* If the port VLAN has been configured and then the
537 * VF driver was removed then the VSI port VLAN
538 * configuration was destroyed. Check if there is
539 * a port VLAN and restore the VSI configuration if
540 * needed.
541 */
542 if (vf->port_vlan_id)
543 i40e_vsi_add_pvid(vsi, vf->port_vlan_id);
544 f = i40e_add_filter(vsi, vf->default_lan_addr.addr,
545 vf->port_vlan_id, true, false);
546 if (!f)
547 dev_info(&pf->pdev->dev,
548 "Could not allocate VF MAC addr\n");
549 f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id,
550 true, false);
551 if (!f)
552 dev_info(&pf->pdev->dev,
553 "Could not allocate VF broadcast filter\n");
554 }
555
556 /* program mac filter */
557 ret = i40e_sync_vsi_filters(vsi);
558 if (ret)
559 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
560
561 /* Set VF bandwidth if specified */
562 if (vf->tx_rate) {
563 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
564 vf->tx_rate / 50, 0, NULL);
565 if (ret)
566 dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n",
567 vf->vf_id, ret);
568 }
569
570 error_alloc_vsi_res:
571 return ret;
572 }
573
574 /**
575 * i40e_enable_vf_mappings
576 * @vf: pointer to the VF info
577 *
578 * enable VF mappings
579 **/
580 static void i40e_enable_vf_mappings(struct i40e_vf *vf)
581 {
582 struct i40e_pf *pf = vf->pf;
583 struct i40e_hw *hw = &pf->hw;
584 u32 reg, total_queue_pairs = 0;
585 int j;
586
587 /* Tell the hardware we're using noncontiguous mapping. HW requires
588 * that VF queues be mapped using this method, even when they are
589 * contiguous in real life
590 */
591 wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id),
592 I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK);
593
594 /* enable VF vplan_qtable mappings */
595 reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK;
596 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg);
597
598 /* map PF queues to VF queues */
599 for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) {
600 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j);
601 reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK);
602 wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg);
603 total_queue_pairs++;
604 }
605
606 /* map PF queues to VSI */
607 for (j = 0; j < 7; j++) {
608 if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) {
609 reg = 0x07FF07FF; /* unused */
610 } else {
611 u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
612 j * 2);
613 reg = qid;
614 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id,
615 (j * 2) + 1);
616 reg |= qid << 16;
617 }
618 wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg);
619 }
620
621 i40e_flush(hw);
622 }
623
624 /**
625 * i40e_disable_vf_mappings
626 * @vf: pointer to the VF info
627 *
628 * disable VF mappings
629 **/
630 static void i40e_disable_vf_mappings(struct i40e_vf *vf)
631 {
632 struct i40e_pf *pf = vf->pf;
633 struct i40e_hw *hw = &pf->hw;
634 int i;
635
636 /* disable qp mappings */
637 wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0);
638 for (i = 0; i < I40E_MAX_VSI_QP; i++)
639 wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id),
640 I40E_QUEUE_END_OF_LIST);
641 i40e_flush(hw);
642 }
643
644 /**
645 * i40e_free_vf_res
646 * @vf: pointer to the VF info
647 *
648 * free VF resources
649 **/
650 static void i40e_free_vf_res(struct i40e_vf *vf)
651 {
652 struct i40e_pf *pf = vf->pf;
653 struct i40e_hw *hw = &pf->hw;
654 u32 reg_idx, reg;
655 int i, msix_vf;
656
657 /* free vsi & disconnect it from the parent uplink */
658 if (vf->lan_vsi_idx) {
659 i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]);
660 vf->lan_vsi_idx = 0;
661 vf->lan_vsi_id = 0;
662 }
663 msix_vf = pf->hw.func_caps.num_msix_vectors_vf;
664
665 /* disable interrupts so the VF starts in a known state */
666 for (i = 0; i < msix_vf; i++) {
667 /* format is same for both registers */
668 if (0 == i)
669 reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id);
670 else
671 reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) *
672 (vf->vf_id))
673 + (i - 1));
674 wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK);
675 i40e_flush(hw);
676 }
677
678 /* clear the irq settings */
679 for (i = 0; i < msix_vf; i++) {
680 /* format is same for both registers */
681 if (0 == i)
682 reg_idx = I40E_VPINT_LNKLST0(vf->vf_id);
683 else
684 reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) *
685 (vf->vf_id))
686 + (i - 1));
687 reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK |
688 I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK);
689 wr32(hw, reg_idx, reg);
690 i40e_flush(hw);
691 }
692 /* reset some of the state varibles keeping
693 * track of the resources
694 */
695 vf->num_queue_pairs = 0;
696 vf->vf_states = 0;
697 }
698
699 /**
700 * i40e_alloc_vf_res
701 * @vf: pointer to the VF info
702 *
703 * allocate VF resources
704 **/
705 static int i40e_alloc_vf_res(struct i40e_vf *vf)
706 {
707 struct i40e_pf *pf = vf->pf;
708 int total_queue_pairs = 0;
709 int ret;
710
711 /* allocate hw vsi context & associated resources */
712 ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV);
713 if (ret)
714 goto error_alloc;
715 total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
716 set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps);
717
718 /* store the total qps number for the runtime
719 * VF req validation
720 */
721 vf->num_queue_pairs = total_queue_pairs;
722
723 /* VF is now completely initialized */
724 set_bit(I40E_VF_STAT_INIT, &vf->vf_states);
725
726 error_alloc:
727 if (ret)
728 i40e_free_vf_res(vf);
729
730 return ret;
731 }
732
733 #define VF_DEVICE_STATUS 0xAA
734 #define VF_TRANS_PENDING_MASK 0x20
735 /**
736 * i40e_quiesce_vf_pci
737 * @vf: pointer to the VF structure
738 *
739 * Wait for VF PCI transactions to be cleared after reset. Returns -EIO
740 * if the transactions never clear.
741 **/
742 static int i40e_quiesce_vf_pci(struct i40e_vf *vf)
743 {
744 struct i40e_pf *pf = vf->pf;
745 struct i40e_hw *hw = &pf->hw;
746 int vf_abs_id, i;
747 u32 reg;
748
749 vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id;
750
751 wr32(hw, I40E_PF_PCI_CIAA,
752 VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT));
753 for (i = 0; i < 100; i++) {
754 reg = rd32(hw, I40E_PF_PCI_CIAD);
755 if ((reg & VF_TRANS_PENDING_MASK) == 0)
756 return 0;
757 udelay(1);
758 }
759 return -EIO;
760 }
761
762 /**
763 * i40e_reset_vf
764 * @vf: pointer to the VF structure
765 * @flr: VFLR was issued or not
766 *
767 * reset the VF
768 **/
769 void i40e_reset_vf(struct i40e_vf *vf, bool flr)
770 {
771 struct i40e_pf *pf = vf->pf;
772 struct i40e_hw *hw = &pf->hw;
773 bool rsd = false;
774 int i;
775 u32 reg;
776
777 if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
778 return;
779
780 /* warn the VF */
781 clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
782
783 /* In the case of a VFLR, the HW has already reset the VF and we
784 * just need to clean up, so don't hit the VFRTRIG register.
785 */
786 if (!flr) {
787 /* reset VF using VPGEN_VFRTRIG reg */
788 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
789 reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK;
790 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
791 i40e_flush(hw);
792 }
793
794 if (i40e_quiesce_vf_pci(vf))
795 dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n",
796 vf->vf_id);
797
798 /* poll VPGEN_VFRSTAT reg to make sure
799 * that reset is complete
800 */
801 for (i = 0; i < 10; i++) {
802 /* VF reset requires driver to first reset the VF and then
803 * poll the status register to make sure that the reset
804 * completed successfully. Due to internal HW FIFO flushes,
805 * we must wait 10ms before the register will be valid.
806 */
807 usleep_range(10000, 20000);
808 reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id));
809 if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) {
810 rsd = true;
811 break;
812 }
813 }
814
815 if (flr)
816 usleep_range(10000, 20000);
817
818 if (!rsd)
819 dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n",
820 vf->vf_id);
821 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED);
822 /* clear the reset bit in the VPGEN_VFRTRIG reg */
823 reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id));
824 reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK;
825 wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg);
826
827 /* On initial reset, we won't have any queues */
828 if (vf->lan_vsi_idx == 0)
829 goto complete_reset;
830
831 i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false);
832 complete_reset:
833 /* reallocate VF resources to reset the VSI state */
834 i40e_free_vf_res(vf);
835 i40e_alloc_vf_res(vf);
836 i40e_enable_vf_mappings(vf);
837 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
838
839 /* tell the VF the reset is done */
840 wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE);
841 i40e_flush(hw);
842 clear_bit(__I40E_VF_DISABLE, &pf->state);
843 }
844
845 /**
846 * i40e_free_vfs
847 * @pf: pointer to the PF structure
848 *
849 * free VF resources
850 **/
851 void i40e_free_vfs(struct i40e_pf *pf)
852 {
853 struct i40e_hw *hw = &pf->hw;
854 u32 reg_idx, bit_idx;
855 int i, tmp, vf_id;
856
857 if (!pf->vf)
858 return;
859 while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state))
860 usleep_range(1000, 2000);
861
862 for (i = 0; i < pf->num_alloc_vfs; i++)
863 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
864 i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx],
865 false);
866
867 /* Disable IOV before freeing resources. This lets any VF drivers
868 * running in the host get themselves cleaned up before we yank
869 * the carpet out from underneath their feet.
870 */
871 if (!pci_vfs_assigned(pf->pdev))
872 pci_disable_sriov(pf->pdev);
873 else
874 dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n");
875
876 msleep(20); /* let any messages in transit get finished up */
877
878 /* free up VF resources */
879 tmp = pf->num_alloc_vfs;
880 pf->num_alloc_vfs = 0;
881 for (i = 0; i < tmp; i++) {
882 if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states))
883 i40e_free_vf_res(&pf->vf[i]);
884 /* disable qp mappings */
885 i40e_disable_vf_mappings(&pf->vf[i]);
886 }
887
888 kfree(pf->vf);
889 pf->vf = NULL;
890
891 /* This check is for when the driver is unloaded while VFs are
892 * assigned. Setting the number of VFs to 0 through sysfs is caught
893 * before this function ever gets called.
894 */
895 if (!pci_vfs_assigned(pf->pdev)) {
896 /* Acknowledge VFLR for all VFS. Without this, VFs will fail to
897 * work correctly when SR-IOV gets re-enabled.
898 */
899 for (vf_id = 0; vf_id < tmp; vf_id++) {
900 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
901 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
902 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
903 }
904 }
905 clear_bit(__I40E_VF_DISABLE, &pf->state);
906 }
907
908 #ifdef CONFIG_PCI_IOV
909 /**
910 * i40e_alloc_vfs
911 * @pf: pointer to the PF structure
912 * @num_alloc_vfs: number of VFs to allocate
913 *
914 * allocate VF resources
915 **/
916 int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs)
917 {
918 struct i40e_vf *vfs;
919 int i, ret = 0;
920
921 /* Disable interrupt 0 so we don't try to handle the VFLR. */
922 i40e_irq_dynamic_disable_icr0(pf);
923
924 /* Check to see if we're just allocating resources for extant VFs */
925 if (pci_num_vf(pf->pdev) != num_alloc_vfs) {
926 ret = pci_enable_sriov(pf->pdev, num_alloc_vfs);
927 if (ret) {
928 dev_err(&pf->pdev->dev,
929 "Failed to enable SR-IOV, error %d.\n", ret);
930 pf->num_alloc_vfs = 0;
931 goto err_iov;
932 }
933 }
934 /* allocate memory */
935 vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL);
936 if (!vfs) {
937 ret = -ENOMEM;
938 goto err_alloc;
939 }
940 pf->vf = vfs;
941
942 /* apply default profile */
943 for (i = 0; i < num_alloc_vfs; i++) {
944 vfs[i].pf = pf;
945 vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB;
946 vfs[i].vf_id = i;
947
948 /* assign default capabilities */
949 set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps);
950 vfs[i].spoofchk = true;
951 /* VF resources get allocated during reset */
952 i40e_reset_vf(&vfs[i], false);
953
954 /* enable VF vplan_qtable mappings */
955 i40e_enable_vf_mappings(&vfs[i]);
956 }
957 pf->num_alloc_vfs = num_alloc_vfs;
958
959 err_alloc:
960 if (ret)
961 i40e_free_vfs(pf);
962 err_iov:
963 /* Re-enable interrupt 0. */
964 i40e_irq_dynamic_enable_icr0(pf);
965 return ret;
966 }
967
968 #endif
969 /**
970 * i40e_pci_sriov_enable
971 * @pdev: pointer to a pci_dev structure
972 * @num_vfs: number of VFs to allocate
973 *
974 * Enable or change the number of VFs
975 **/
976 static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs)
977 {
978 #ifdef CONFIG_PCI_IOV
979 struct i40e_pf *pf = pci_get_drvdata(pdev);
980 int pre_existing_vfs = pci_num_vf(pdev);
981 int err = 0;
982
983 dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs);
984 if (pre_existing_vfs && pre_existing_vfs != num_vfs)
985 i40e_free_vfs(pf);
986 else if (pre_existing_vfs && pre_existing_vfs == num_vfs)
987 goto out;
988
989 if (num_vfs > pf->num_req_vfs) {
990 err = -EPERM;
991 goto err_out;
992 }
993
994 err = i40e_alloc_vfs(pf, num_vfs);
995 if (err) {
996 dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err);
997 goto err_out;
998 }
999
1000 out:
1001 return num_vfs;
1002
1003 err_out:
1004 return err;
1005 #endif
1006 return 0;
1007 }
1008
1009 /**
1010 * i40e_pci_sriov_configure
1011 * @pdev: pointer to a pci_dev structure
1012 * @num_vfs: number of VFs to allocate
1013 *
1014 * Enable or change the number of VFs. Called when the user updates the number
1015 * of VFs in sysfs.
1016 **/
1017 int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs)
1018 {
1019 struct i40e_pf *pf = pci_get_drvdata(pdev);
1020
1021 if (num_vfs)
1022 return i40e_pci_sriov_enable(pdev, num_vfs);
1023
1024 if (!pci_vfs_assigned(pf->pdev)) {
1025 i40e_free_vfs(pf);
1026 } else {
1027 dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n");
1028 return -EINVAL;
1029 }
1030 return 0;
1031 }
1032
1033 /***********************virtual channel routines******************/
1034
1035 /**
1036 * i40e_vc_send_msg_to_vf
1037 * @vf: pointer to the VF info
1038 * @v_opcode: virtual channel opcode
1039 * @v_retval: virtual channel return value
1040 * @msg: pointer to the msg buffer
1041 * @msglen: msg length
1042 *
1043 * send msg to VF
1044 **/
1045 static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode,
1046 u32 v_retval, u8 *msg, u16 msglen)
1047 {
1048 struct i40e_pf *pf;
1049 struct i40e_hw *hw;
1050 int abs_vf_id;
1051 i40e_status aq_ret;
1052
1053 /* validate the request */
1054 if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs)
1055 return -EINVAL;
1056
1057 pf = vf->pf;
1058 hw = &pf->hw;
1059 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
1060
1061 /* single place to detect unsuccessful return values */
1062 if (v_retval) {
1063 vf->num_invalid_msgs++;
1064 dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n",
1065 v_opcode, v_retval);
1066 if (vf->num_invalid_msgs >
1067 I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) {
1068 dev_err(&pf->pdev->dev,
1069 "Number of invalid messages exceeded for VF %d\n",
1070 vf->vf_id);
1071 dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n");
1072 set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states);
1073 }
1074 } else {
1075 vf->num_valid_msgs++;
1076 }
1077
1078 aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval,
1079 msg, msglen, NULL);
1080 if (aq_ret) {
1081 dev_err(&pf->pdev->dev,
1082 "Unable to send the message to VF %d aq_err %d\n",
1083 vf->vf_id, pf->hw.aq.asq_last_status);
1084 return -EIO;
1085 }
1086
1087 return 0;
1088 }
1089
1090 /**
1091 * i40e_vc_send_resp_to_vf
1092 * @vf: pointer to the VF info
1093 * @opcode: operation code
1094 * @retval: return value
1095 *
1096 * send resp msg to VF
1097 **/
1098 static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf,
1099 enum i40e_virtchnl_ops opcode,
1100 i40e_status retval)
1101 {
1102 return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0);
1103 }
1104
1105 /**
1106 * i40e_vc_get_version_msg
1107 * @vf: pointer to the VF info
1108 *
1109 * called from the VF to request the API version used by the PF
1110 **/
1111 static int i40e_vc_get_version_msg(struct i40e_vf *vf)
1112 {
1113 struct i40e_virtchnl_version_info info = {
1114 I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR
1115 };
1116
1117 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION,
1118 I40E_SUCCESS, (u8 *)&info,
1119 sizeof(struct
1120 i40e_virtchnl_version_info));
1121 }
1122
1123 /**
1124 * i40e_vc_get_vf_resources_msg
1125 * @vf: pointer to the VF info
1126 * @msg: pointer to the msg buffer
1127 * @msglen: msg length
1128 *
1129 * called from the VF to request its resources
1130 **/
1131 static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf)
1132 {
1133 struct i40e_virtchnl_vf_resource *vfres = NULL;
1134 struct i40e_pf *pf = vf->pf;
1135 i40e_status aq_ret = 0;
1136 struct i40e_vsi *vsi;
1137 int i = 0, len = 0;
1138 int num_vsis = 1;
1139 int ret;
1140
1141 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1142 aq_ret = I40E_ERR_PARAM;
1143 goto err;
1144 }
1145
1146 len = (sizeof(struct i40e_virtchnl_vf_resource) +
1147 sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis);
1148
1149 vfres = kzalloc(len, GFP_KERNEL);
1150 if (!vfres) {
1151 aq_ret = I40E_ERR_NO_MEMORY;
1152 len = 0;
1153 goto err;
1154 }
1155
1156 vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2;
1157 vsi = pf->vsi[vf->lan_vsi_idx];
1158 if (!vsi->info.pvid)
1159 vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN;
1160
1161 vfres->num_vsis = num_vsis;
1162 vfres->num_queue_pairs = vf->num_queue_pairs;
1163 vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf;
1164 if (vf->lan_vsi_idx) {
1165 vfres->vsi_res[i].vsi_id = vf->lan_vsi_id;
1166 vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV;
1167 vfres->vsi_res[i].num_queue_pairs =
1168 pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs;
1169 memcpy(vfres->vsi_res[i].default_mac_addr,
1170 vf->default_lan_addr.addr, ETH_ALEN);
1171 i++;
1172 }
1173 set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states);
1174
1175 err:
1176 /* send the response back to the VF */
1177 ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES,
1178 aq_ret, (u8 *)vfres, len);
1179
1180 kfree(vfres);
1181 return ret;
1182 }
1183
1184 /**
1185 * i40e_vc_reset_vf_msg
1186 * @vf: pointer to the VF info
1187 * @msg: pointer to the msg buffer
1188 * @msglen: msg length
1189 *
1190 * called from the VF to reset itself,
1191 * unlike other virtchnl messages, PF driver
1192 * doesn't send the response back to the VF
1193 **/
1194 static void i40e_vc_reset_vf_msg(struct i40e_vf *vf)
1195 {
1196 if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states))
1197 i40e_reset_vf(vf, false);
1198 }
1199
1200 /**
1201 * i40e_vc_config_promiscuous_mode_msg
1202 * @vf: pointer to the VF info
1203 * @msg: pointer to the msg buffer
1204 * @msglen: msg length
1205 *
1206 * called from the VF to configure the promiscuous mode of
1207 * VF vsis
1208 **/
1209 static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf,
1210 u8 *msg, u16 msglen)
1211 {
1212 struct i40e_virtchnl_promisc_info *info =
1213 (struct i40e_virtchnl_promisc_info *)msg;
1214 struct i40e_pf *pf = vf->pf;
1215 struct i40e_hw *hw = &pf->hw;
1216 struct i40e_vsi *vsi;
1217 bool allmulti = false;
1218 i40e_status aq_ret;
1219
1220 vsi = i40e_find_vsi_from_id(pf, info->vsi_id);
1221 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1222 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1223 !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) ||
1224 (vsi->type != I40E_VSI_FCOE)) {
1225 aq_ret = I40E_ERR_PARAM;
1226 goto error_param;
1227 }
1228 if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC)
1229 allmulti = true;
1230 aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid,
1231 allmulti, NULL);
1232
1233 error_param:
1234 /* send the response to the VF */
1235 return i40e_vc_send_resp_to_vf(vf,
1236 I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE,
1237 aq_ret);
1238 }
1239
1240 /**
1241 * i40e_vc_config_queues_msg
1242 * @vf: pointer to the VF info
1243 * @msg: pointer to the msg buffer
1244 * @msglen: msg length
1245 *
1246 * called from the VF to configure the rx/tx
1247 * queues
1248 **/
1249 static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1250 {
1251 struct i40e_virtchnl_vsi_queue_config_info *qci =
1252 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1253 struct i40e_virtchnl_queue_pair_info *qpi;
1254 struct i40e_pf *pf = vf->pf;
1255 u16 vsi_id, vsi_queue_id;
1256 i40e_status aq_ret = 0;
1257 int i;
1258
1259 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1260 aq_ret = I40E_ERR_PARAM;
1261 goto error_param;
1262 }
1263
1264 vsi_id = qci->vsi_id;
1265 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1266 aq_ret = I40E_ERR_PARAM;
1267 goto error_param;
1268 }
1269 for (i = 0; i < qci->num_queue_pairs; i++) {
1270 qpi = &qci->qpair[i];
1271 vsi_queue_id = qpi->txq.queue_id;
1272 if ((qpi->txq.vsi_id != vsi_id) ||
1273 (qpi->rxq.vsi_id != vsi_id) ||
1274 (qpi->rxq.queue_id != vsi_queue_id) ||
1275 !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) {
1276 aq_ret = I40E_ERR_PARAM;
1277 goto error_param;
1278 }
1279
1280 if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id,
1281 &qpi->rxq) ||
1282 i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id,
1283 &qpi->txq)) {
1284 aq_ret = I40E_ERR_PARAM;
1285 goto error_param;
1286 }
1287 }
1288 /* set vsi num_queue_pairs in use to num configured by VF */
1289 pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs;
1290
1291 error_param:
1292 /* send the response to the VF */
1293 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES,
1294 aq_ret);
1295 }
1296
1297 /**
1298 * i40e_vc_config_irq_map_msg
1299 * @vf: pointer to the VF info
1300 * @msg: pointer to the msg buffer
1301 * @msglen: msg length
1302 *
1303 * called from the VF to configure the irq to
1304 * queue map
1305 **/
1306 static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1307 {
1308 struct i40e_virtchnl_irq_map_info *irqmap_info =
1309 (struct i40e_virtchnl_irq_map_info *)msg;
1310 struct i40e_virtchnl_vector_map *map;
1311 u16 vsi_id, vsi_queue_id, vector_id;
1312 i40e_status aq_ret = 0;
1313 unsigned long tempmap;
1314 int i;
1315
1316 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1317 aq_ret = I40E_ERR_PARAM;
1318 goto error_param;
1319 }
1320
1321 for (i = 0; i < irqmap_info->num_vectors; i++) {
1322 map = &irqmap_info->vecmap[i];
1323
1324 vector_id = map->vector_id;
1325 vsi_id = map->vsi_id;
1326 /* validate msg params */
1327 if (!i40e_vc_isvalid_vector_id(vf, vector_id) ||
1328 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1329 aq_ret = I40E_ERR_PARAM;
1330 goto error_param;
1331 }
1332
1333 /* lookout for the invalid queue index */
1334 tempmap = map->rxq_map;
1335 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1336 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1337 vsi_queue_id)) {
1338 aq_ret = I40E_ERR_PARAM;
1339 goto error_param;
1340 }
1341 }
1342
1343 tempmap = map->txq_map;
1344 for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) {
1345 if (!i40e_vc_isvalid_queue_id(vf, vsi_id,
1346 vsi_queue_id)) {
1347 aq_ret = I40E_ERR_PARAM;
1348 goto error_param;
1349 }
1350 }
1351
1352 i40e_config_irq_link_list(vf, vsi_id, map);
1353 }
1354 error_param:
1355 /* send the response to the VF */
1356 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP,
1357 aq_ret);
1358 }
1359
1360 /**
1361 * i40e_vc_enable_queues_msg
1362 * @vf: pointer to the VF info
1363 * @msg: pointer to the msg buffer
1364 * @msglen: msg length
1365 *
1366 * called from the VF to enable all or specific queue(s)
1367 **/
1368 static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1369 {
1370 struct i40e_virtchnl_queue_select *vqs =
1371 (struct i40e_virtchnl_queue_select *)msg;
1372 struct i40e_pf *pf = vf->pf;
1373 u16 vsi_id = vqs->vsi_id;
1374 i40e_status aq_ret = 0;
1375
1376 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1377 aq_ret = I40E_ERR_PARAM;
1378 goto error_param;
1379 }
1380
1381 if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1382 aq_ret = I40E_ERR_PARAM;
1383 goto error_param;
1384 }
1385
1386 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1387 aq_ret = I40E_ERR_PARAM;
1388 goto error_param;
1389 }
1390
1391 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true))
1392 aq_ret = I40E_ERR_TIMEOUT;
1393 error_param:
1394 /* send the response to the VF */
1395 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES,
1396 aq_ret);
1397 }
1398
1399 /**
1400 * i40e_vc_disable_queues_msg
1401 * @vf: pointer to the VF info
1402 * @msg: pointer to the msg buffer
1403 * @msglen: msg length
1404 *
1405 * called from the VF to disable all or specific
1406 * queue(s)
1407 **/
1408 static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1409 {
1410 struct i40e_virtchnl_queue_select *vqs =
1411 (struct i40e_virtchnl_queue_select *)msg;
1412 struct i40e_pf *pf = vf->pf;
1413 i40e_status aq_ret = 0;
1414
1415 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1416 aq_ret = I40E_ERR_PARAM;
1417 goto error_param;
1418 }
1419
1420 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1421 aq_ret = I40E_ERR_PARAM;
1422 goto error_param;
1423 }
1424
1425 if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) {
1426 aq_ret = I40E_ERR_PARAM;
1427 goto error_param;
1428 }
1429
1430 if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false))
1431 aq_ret = I40E_ERR_TIMEOUT;
1432
1433 error_param:
1434 /* send the response to the VF */
1435 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES,
1436 aq_ret);
1437 }
1438
1439 /**
1440 * i40e_vc_get_stats_msg
1441 * @vf: pointer to the VF info
1442 * @msg: pointer to the msg buffer
1443 * @msglen: msg length
1444 *
1445 * called from the VF to get vsi stats
1446 **/
1447 static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1448 {
1449 struct i40e_virtchnl_queue_select *vqs =
1450 (struct i40e_virtchnl_queue_select *)msg;
1451 struct i40e_pf *pf = vf->pf;
1452 struct i40e_eth_stats stats;
1453 i40e_status aq_ret = 0;
1454 struct i40e_vsi *vsi;
1455
1456 memset(&stats, 0, sizeof(struct i40e_eth_stats));
1457
1458 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) {
1459 aq_ret = I40E_ERR_PARAM;
1460 goto error_param;
1461 }
1462
1463 if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) {
1464 aq_ret = I40E_ERR_PARAM;
1465 goto error_param;
1466 }
1467
1468 vsi = pf->vsi[vf->lan_vsi_idx];
1469 if (!vsi) {
1470 aq_ret = I40E_ERR_PARAM;
1471 goto error_param;
1472 }
1473 i40e_update_eth_stats(vsi);
1474 stats = vsi->eth_stats;
1475
1476 error_param:
1477 /* send the response back to the VF */
1478 return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret,
1479 (u8 *)&stats, sizeof(stats));
1480 }
1481
1482 /**
1483 * i40e_check_vf_permission
1484 * @vf: pointer to the VF info
1485 * @macaddr: pointer to the MAC Address being checked
1486 *
1487 * Check if the VF has permission to add or delete unicast MAC address
1488 * filters and return error code -EPERM if not. Then check if the
1489 * address filter requested is broadcast or zero and if so return
1490 * an invalid MAC address error code.
1491 **/
1492 static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr)
1493 {
1494 struct i40e_pf *pf = vf->pf;
1495 int ret = 0;
1496
1497 if (is_broadcast_ether_addr(macaddr) ||
1498 is_zero_ether_addr(macaddr)) {
1499 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr);
1500 ret = I40E_ERR_INVALID_MAC_ADDR;
1501 } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) &&
1502 !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) {
1503 /* If the host VMM administrator has set the VF MAC address
1504 * administratively via the ndo_set_vf_mac command then deny
1505 * permission to the VF to add or delete unicast MAC addresses.
1506 * The VF may request to set the MAC address filter already
1507 * assigned to it so do not return an error in that case.
1508 */
1509 dev_err(&pf->pdev->dev,
1510 "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n");
1511 ret = -EPERM;
1512 }
1513 return ret;
1514 }
1515
1516 /**
1517 * i40e_vc_add_mac_addr_msg
1518 * @vf: pointer to the VF info
1519 * @msg: pointer to the msg buffer
1520 * @msglen: msg length
1521 *
1522 * add guest mac address filter
1523 **/
1524 static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1525 {
1526 struct i40e_virtchnl_ether_addr_list *al =
1527 (struct i40e_virtchnl_ether_addr_list *)msg;
1528 struct i40e_pf *pf = vf->pf;
1529 struct i40e_vsi *vsi = NULL;
1530 u16 vsi_id = al->vsi_id;
1531 i40e_status ret = 0;
1532 int i;
1533
1534 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1535 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1536 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1537 ret = I40E_ERR_PARAM;
1538 goto error_param;
1539 }
1540
1541 for (i = 0; i < al->num_elements; i++) {
1542 ret = i40e_check_vf_permission(vf, al->list[i].addr);
1543 if (ret)
1544 goto error_param;
1545 }
1546 vsi = pf->vsi[vf->lan_vsi_idx];
1547
1548 /* add new addresses to the list */
1549 for (i = 0; i < al->num_elements; i++) {
1550 struct i40e_mac_filter *f;
1551
1552 f = i40e_find_mac(vsi, al->list[i].addr, true, false);
1553 if (!f) {
1554 if (i40e_is_vsi_in_vlan(vsi))
1555 f = i40e_put_mac_in_vlan(vsi, al->list[i].addr,
1556 true, false);
1557 else
1558 f = i40e_add_filter(vsi, al->list[i].addr, -1,
1559 true, false);
1560 }
1561
1562 if (!f) {
1563 dev_err(&pf->pdev->dev,
1564 "Unable to add VF MAC filter\n");
1565 ret = I40E_ERR_PARAM;
1566 goto error_param;
1567 }
1568 }
1569
1570 /* program the updated filter list */
1571 if (i40e_sync_vsi_filters(vsi))
1572 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1573
1574 error_param:
1575 /* send the response to the VF */
1576 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS,
1577 ret);
1578 }
1579
1580 /**
1581 * i40e_vc_del_mac_addr_msg
1582 * @vf: pointer to the VF info
1583 * @msg: pointer to the msg buffer
1584 * @msglen: msg length
1585 *
1586 * remove guest mac address filter
1587 **/
1588 static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1589 {
1590 struct i40e_virtchnl_ether_addr_list *al =
1591 (struct i40e_virtchnl_ether_addr_list *)msg;
1592 struct i40e_pf *pf = vf->pf;
1593 struct i40e_vsi *vsi = NULL;
1594 u16 vsi_id = al->vsi_id;
1595 i40e_status ret = 0;
1596 int i;
1597
1598 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1599 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1600 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1601 ret = I40E_ERR_PARAM;
1602 goto error_param;
1603 }
1604
1605 for (i = 0; i < al->num_elements; i++) {
1606 if (is_broadcast_ether_addr(al->list[i].addr) ||
1607 is_zero_ether_addr(al->list[i].addr)) {
1608 dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n",
1609 al->list[i].addr);
1610 ret = I40E_ERR_INVALID_MAC_ADDR;
1611 goto error_param;
1612 }
1613 }
1614 vsi = pf->vsi[vf->lan_vsi_idx];
1615
1616 /* delete addresses from the list */
1617 for (i = 0; i < al->num_elements; i++)
1618 i40e_del_filter(vsi, al->list[i].addr,
1619 I40E_VLAN_ANY, true, false);
1620
1621 /* program the updated filter list */
1622 if (i40e_sync_vsi_filters(vsi))
1623 dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n");
1624
1625 error_param:
1626 /* send the response to the VF */
1627 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS,
1628 ret);
1629 }
1630
1631 /**
1632 * i40e_vc_add_vlan_msg
1633 * @vf: pointer to the VF info
1634 * @msg: pointer to the msg buffer
1635 * @msglen: msg length
1636 *
1637 * program guest vlan id
1638 **/
1639 static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1640 {
1641 struct i40e_virtchnl_vlan_filter_list *vfl =
1642 (struct i40e_virtchnl_vlan_filter_list *)msg;
1643 struct i40e_pf *pf = vf->pf;
1644 struct i40e_vsi *vsi = NULL;
1645 u16 vsi_id = vfl->vsi_id;
1646 i40e_status aq_ret = 0;
1647 int i;
1648
1649 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1650 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1651 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1652 aq_ret = I40E_ERR_PARAM;
1653 goto error_param;
1654 }
1655
1656 for (i = 0; i < vfl->num_elements; i++) {
1657 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1658 aq_ret = I40E_ERR_PARAM;
1659 dev_err(&pf->pdev->dev,
1660 "invalid VF VLAN id %d\n", vfl->vlan_id[i]);
1661 goto error_param;
1662 }
1663 }
1664 vsi = pf->vsi[vf->lan_vsi_idx];
1665 if (vsi->info.pvid) {
1666 aq_ret = I40E_ERR_PARAM;
1667 goto error_param;
1668 }
1669
1670 i40e_vlan_stripping_enable(vsi);
1671 for (i = 0; i < vfl->num_elements; i++) {
1672 /* add new VLAN filter */
1673 int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]);
1674 if (ret)
1675 dev_err(&pf->pdev->dev,
1676 "Unable to add VF vlan filter %d, error %d\n",
1677 vfl->vlan_id[i], ret);
1678 }
1679
1680 error_param:
1681 /* send the response to the VF */
1682 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret);
1683 }
1684
1685 /**
1686 * i40e_vc_remove_vlan_msg
1687 * @vf: pointer to the VF info
1688 * @msg: pointer to the msg buffer
1689 * @msglen: msg length
1690 *
1691 * remove programmed guest vlan id
1692 **/
1693 static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen)
1694 {
1695 struct i40e_virtchnl_vlan_filter_list *vfl =
1696 (struct i40e_virtchnl_vlan_filter_list *)msg;
1697 struct i40e_pf *pf = vf->pf;
1698 struct i40e_vsi *vsi = NULL;
1699 u16 vsi_id = vfl->vsi_id;
1700 i40e_status aq_ret = 0;
1701 int i;
1702
1703 if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) ||
1704 !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) ||
1705 !i40e_vc_isvalid_vsi_id(vf, vsi_id)) {
1706 aq_ret = I40E_ERR_PARAM;
1707 goto error_param;
1708 }
1709
1710 for (i = 0; i < vfl->num_elements; i++) {
1711 if (vfl->vlan_id[i] > I40E_MAX_VLANID) {
1712 aq_ret = I40E_ERR_PARAM;
1713 goto error_param;
1714 }
1715 }
1716
1717 vsi = pf->vsi[vf->lan_vsi_idx];
1718 if (vsi->info.pvid) {
1719 aq_ret = I40E_ERR_PARAM;
1720 goto error_param;
1721 }
1722
1723 for (i = 0; i < vfl->num_elements; i++) {
1724 int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]);
1725 if (ret)
1726 dev_err(&pf->pdev->dev,
1727 "Unable to delete VF vlan filter %d, error %d\n",
1728 vfl->vlan_id[i], ret);
1729 }
1730
1731 error_param:
1732 /* send the response to the VF */
1733 return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret);
1734 }
1735
1736 /**
1737 * i40e_vc_validate_vf_msg
1738 * @vf: pointer to the VF info
1739 * @msg: pointer to the msg buffer
1740 * @msglen: msg length
1741 * @msghndl: msg handle
1742 *
1743 * validate msg
1744 **/
1745 static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode,
1746 u32 v_retval, u8 *msg, u16 msglen)
1747 {
1748 bool err_msg_format = false;
1749 int valid_len;
1750
1751 /* Check if VF is disabled. */
1752 if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states))
1753 return I40E_ERR_PARAM;
1754
1755 /* Validate message length. */
1756 switch (v_opcode) {
1757 case I40E_VIRTCHNL_OP_VERSION:
1758 valid_len = sizeof(struct i40e_virtchnl_version_info);
1759 break;
1760 case I40E_VIRTCHNL_OP_RESET_VF:
1761 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1762 valid_len = 0;
1763 break;
1764 case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE:
1765 valid_len = sizeof(struct i40e_virtchnl_txq_info);
1766 break;
1767 case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE:
1768 valid_len = sizeof(struct i40e_virtchnl_rxq_info);
1769 break;
1770 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1771 valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info);
1772 if (msglen >= valid_len) {
1773 struct i40e_virtchnl_vsi_queue_config_info *vqc =
1774 (struct i40e_virtchnl_vsi_queue_config_info *)msg;
1775 valid_len += (vqc->num_queue_pairs *
1776 sizeof(struct
1777 i40e_virtchnl_queue_pair_info));
1778 if (vqc->num_queue_pairs == 0)
1779 err_msg_format = true;
1780 }
1781 break;
1782 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1783 valid_len = sizeof(struct i40e_virtchnl_irq_map_info);
1784 if (msglen >= valid_len) {
1785 struct i40e_virtchnl_irq_map_info *vimi =
1786 (struct i40e_virtchnl_irq_map_info *)msg;
1787 valid_len += (vimi->num_vectors *
1788 sizeof(struct i40e_virtchnl_vector_map));
1789 if (vimi->num_vectors == 0)
1790 err_msg_format = true;
1791 }
1792 break;
1793 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1794 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1795 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1796 break;
1797 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1798 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1799 valid_len = sizeof(struct i40e_virtchnl_ether_addr_list);
1800 if (msglen >= valid_len) {
1801 struct i40e_virtchnl_ether_addr_list *veal =
1802 (struct i40e_virtchnl_ether_addr_list *)msg;
1803 valid_len += veal->num_elements *
1804 sizeof(struct i40e_virtchnl_ether_addr);
1805 if (veal->num_elements == 0)
1806 err_msg_format = true;
1807 }
1808 break;
1809 case I40E_VIRTCHNL_OP_ADD_VLAN:
1810 case I40E_VIRTCHNL_OP_DEL_VLAN:
1811 valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list);
1812 if (msglen >= valid_len) {
1813 struct i40e_virtchnl_vlan_filter_list *vfl =
1814 (struct i40e_virtchnl_vlan_filter_list *)msg;
1815 valid_len += vfl->num_elements * sizeof(u16);
1816 if (vfl->num_elements == 0)
1817 err_msg_format = true;
1818 }
1819 break;
1820 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1821 valid_len = sizeof(struct i40e_virtchnl_promisc_info);
1822 break;
1823 case I40E_VIRTCHNL_OP_GET_STATS:
1824 valid_len = sizeof(struct i40e_virtchnl_queue_select);
1825 break;
1826 /* These are always errors coming from the VF. */
1827 case I40E_VIRTCHNL_OP_EVENT:
1828 case I40E_VIRTCHNL_OP_UNKNOWN:
1829 default:
1830 return -EPERM;
1831 break;
1832 }
1833 /* few more checks */
1834 if ((valid_len != msglen) || (err_msg_format)) {
1835 i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM);
1836 return -EINVAL;
1837 } else {
1838 return 0;
1839 }
1840 }
1841
1842 /**
1843 * i40e_vc_process_vf_msg
1844 * @pf: pointer to the PF structure
1845 * @vf_id: source VF id
1846 * @msg: pointer to the msg buffer
1847 * @msglen: msg length
1848 * @msghndl: msg handle
1849 *
1850 * called from the common aeq/arq handler to
1851 * process request from VF
1852 **/
1853 int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode,
1854 u32 v_retval, u8 *msg, u16 msglen)
1855 {
1856 struct i40e_hw *hw = &pf->hw;
1857 unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id;
1858 struct i40e_vf *vf;
1859 int ret;
1860
1861 pf->vf_aq_requests++;
1862 if (local_vf_id >= pf->num_alloc_vfs)
1863 return -EINVAL;
1864 vf = &(pf->vf[local_vf_id]);
1865 /* perform basic checks on the msg */
1866 ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen);
1867
1868 if (ret) {
1869 dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n",
1870 local_vf_id, v_opcode, msglen);
1871 return ret;
1872 }
1873
1874 switch (v_opcode) {
1875 case I40E_VIRTCHNL_OP_VERSION:
1876 ret = i40e_vc_get_version_msg(vf);
1877 break;
1878 case I40E_VIRTCHNL_OP_GET_VF_RESOURCES:
1879 ret = i40e_vc_get_vf_resources_msg(vf);
1880 break;
1881 case I40E_VIRTCHNL_OP_RESET_VF:
1882 i40e_vc_reset_vf_msg(vf);
1883 ret = 0;
1884 break;
1885 case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE:
1886 ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen);
1887 break;
1888 case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES:
1889 ret = i40e_vc_config_queues_msg(vf, msg, msglen);
1890 break;
1891 case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP:
1892 ret = i40e_vc_config_irq_map_msg(vf, msg, msglen);
1893 break;
1894 case I40E_VIRTCHNL_OP_ENABLE_QUEUES:
1895 ret = i40e_vc_enable_queues_msg(vf, msg, msglen);
1896 i40e_vc_notify_vf_link_state(vf);
1897 break;
1898 case I40E_VIRTCHNL_OP_DISABLE_QUEUES:
1899 ret = i40e_vc_disable_queues_msg(vf, msg, msglen);
1900 break;
1901 case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS:
1902 ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen);
1903 break;
1904 case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS:
1905 ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen);
1906 break;
1907 case I40E_VIRTCHNL_OP_ADD_VLAN:
1908 ret = i40e_vc_add_vlan_msg(vf, msg, msglen);
1909 break;
1910 case I40E_VIRTCHNL_OP_DEL_VLAN:
1911 ret = i40e_vc_remove_vlan_msg(vf, msg, msglen);
1912 break;
1913 case I40E_VIRTCHNL_OP_GET_STATS:
1914 ret = i40e_vc_get_stats_msg(vf, msg, msglen);
1915 break;
1916 case I40E_VIRTCHNL_OP_UNKNOWN:
1917 default:
1918 dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n",
1919 v_opcode, local_vf_id);
1920 ret = i40e_vc_send_resp_to_vf(vf, v_opcode,
1921 I40E_ERR_NOT_IMPLEMENTED);
1922 break;
1923 }
1924
1925 return ret;
1926 }
1927
1928 /**
1929 * i40e_vc_process_vflr_event
1930 * @pf: pointer to the PF structure
1931 *
1932 * called from the vlfr irq handler to
1933 * free up VF resources and state variables
1934 **/
1935 int i40e_vc_process_vflr_event(struct i40e_pf *pf)
1936 {
1937 u32 reg, reg_idx, bit_idx, vf_id;
1938 struct i40e_hw *hw = &pf->hw;
1939 struct i40e_vf *vf;
1940
1941 if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state))
1942 return 0;
1943
1944 /* re-enable vflr interrupt cause */
1945 reg = rd32(hw, I40E_PFINT_ICR0_ENA);
1946 reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK;
1947 wr32(hw, I40E_PFINT_ICR0_ENA, reg);
1948 i40e_flush(hw);
1949
1950 clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state);
1951 for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) {
1952 reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32;
1953 bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32;
1954 /* read GLGEN_VFLRSTAT register to find out the flr VFs */
1955 vf = &pf->vf[vf_id];
1956 reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx));
1957 if (reg & (1 << bit_idx)) {
1958 /* clear the bit in GLGEN_VFLRSTAT */
1959 wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx));
1960
1961 if (!test_bit(__I40E_DOWN, &pf->state))
1962 i40e_reset_vf(vf, true);
1963 }
1964 }
1965
1966 return 0;
1967 }
1968
1969 /**
1970 * i40e_ndo_set_vf_mac
1971 * @netdev: network interface device structure
1972 * @vf_id: VF identifier
1973 * @mac: mac address
1974 *
1975 * program VF mac address
1976 **/
1977 int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac)
1978 {
1979 struct i40e_netdev_priv *np = netdev_priv(netdev);
1980 struct i40e_vsi *vsi = np->vsi;
1981 struct i40e_pf *pf = vsi->back;
1982 struct i40e_mac_filter *f;
1983 struct i40e_vf *vf;
1984 int ret = 0;
1985
1986 /* validate the request */
1987 if (vf_id >= pf->num_alloc_vfs) {
1988 dev_err(&pf->pdev->dev,
1989 "Invalid VF Identifier %d\n", vf_id);
1990 ret = -EINVAL;
1991 goto error_param;
1992 }
1993
1994 vf = &(pf->vf[vf_id]);
1995 vsi = pf->vsi[vf->lan_vsi_idx];
1996 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
1997 dev_err(&pf->pdev->dev,
1998 "Uninitialized VF %d\n", vf_id);
1999 ret = -EINVAL;
2000 goto error_param;
2001 }
2002
2003 if (!is_valid_ether_addr(mac)) {
2004 dev_err(&pf->pdev->dev,
2005 "Invalid VF ethernet address\n");
2006 ret = -EINVAL;
2007 goto error_param;
2008 }
2009
2010 /* delete the temporary mac address */
2011 i40e_del_filter(vsi, vf->default_lan_addr.addr, vf->port_vlan_id,
2012 true, false);
2013
2014 /* Delete all the filters for this VSI - we're going to kill it
2015 * anyway.
2016 */
2017 list_for_each_entry(f, &vsi->mac_filter_list, list)
2018 i40e_del_filter(vsi, f->macaddr, f->vlan, true, false);
2019
2020 dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id);
2021 /* program mac filter */
2022 if (i40e_sync_vsi_filters(vsi)) {
2023 dev_err(&pf->pdev->dev, "Unable to program ucast filters\n");
2024 ret = -EIO;
2025 goto error_param;
2026 }
2027 ether_addr_copy(vf->default_lan_addr.addr, mac);
2028 vf->pf_set_mac = true;
2029 /* Force the VF driver stop so it has to reload with new MAC address */
2030 i40e_vc_disable_vf(pf, vf);
2031 dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n");
2032
2033 error_param:
2034 return ret;
2035 }
2036
2037 /**
2038 * i40e_ndo_set_vf_port_vlan
2039 * @netdev: network interface device structure
2040 * @vf_id: VF identifier
2041 * @vlan_id: mac address
2042 * @qos: priority setting
2043 *
2044 * program VF vlan id and/or qos
2045 **/
2046 int i40e_ndo_set_vf_port_vlan(struct net_device *netdev,
2047 int vf_id, u16 vlan_id, u8 qos)
2048 {
2049 struct i40e_netdev_priv *np = netdev_priv(netdev);
2050 struct i40e_pf *pf = np->vsi->back;
2051 struct i40e_vsi *vsi;
2052 struct i40e_vf *vf;
2053 int ret = 0;
2054
2055 /* validate the request */
2056 if (vf_id >= pf->num_alloc_vfs) {
2057 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2058 ret = -EINVAL;
2059 goto error_pvid;
2060 }
2061
2062 if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) {
2063 dev_err(&pf->pdev->dev, "Invalid VF Parameters\n");
2064 ret = -EINVAL;
2065 goto error_pvid;
2066 }
2067
2068 vf = &(pf->vf[vf_id]);
2069 vsi = pf->vsi[vf->lan_vsi_idx];
2070 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2071 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2072 ret = -EINVAL;
2073 goto error_pvid;
2074 }
2075
2076 if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) {
2077 dev_err(&pf->pdev->dev,
2078 "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n",
2079 vf_id);
2080 /* Administrator Error - knock the VF offline until he does
2081 * the right thing by reconfiguring his network correctly
2082 * and then reloading the VF driver.
2083 */
2084 i40e_vc_disable_vf(pf, vf);
2085 }
2086
2087 /* Check for condition where there was already a port VLAN ID
2088 * filter set and now it is being deleted by setting it to zero.
2089 * Additionally check for the condition where there was a port
2090 * VLAN but now there is a new and different port VLAN being set.
2091 * Before deleting all the old VLAN filters we must add new ones
2092 * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our
2093 * MAC addresses deleted.
2094 */
2095 if ((!(vlan_id || qos) ||
2096 (vlan_id | qos) != le16_to_cpu(vsi->info.pvid)) &&
2097 vsi->info.pvid)
2098 ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY);
2099
2100 if (vsi->info.pvid) {
2101 /* kill old VLAN */
2102 ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) &
2103 VLAN_VID_MASK));
2104 if (ret) {
2105 dev_info(&vsi->back->pdev->dev,
2106 "remove VLAN failed, ret=%d, aq_err=%d\n",
2107 ret, pf->hw.aq.asq_last_status);
2108 }
2109 }
2110 if (vlan_id || qos)
2111 ret = i40e_vsi_add_pvid(vsi,
2112 vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT));
2113 else
2114 i40e_vsi_remove_pvid(vsi);
2115
2116 if (vlan_id) {
2117 dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n",
2118 vlan_id, qos, vf_id);
2119
2120 /* add new VLAN filter */
2121 ret = i40e_vsi_add_vlan(vsi, vlan_id);
2122 if (ret) {
2123 dev_info(&vsi->back->pdev->dev,
2124 "add VF VLAN failed, ret=%d aq_err=%d\n", ret,
2125 vsi->back->hw.aq.asq_last_status);
2126 goto error_pvid;
2127 }
2128 /* Kill non-vlan MAC filters - ignore error return since
2129 * there might not be any non-vlan MAC filters.
2130 */
2131 i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY);
2132 }
2133
2134 if (ret) {
2135 dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n");
2136 goto error_pvid;
2137 }
2138 /* The Port VLAN needs to be saved across resets the same as the
2139 * default LAN MAC address.
2140 */
2141 vf->port_vlan_id = le16_to_cpu(vsi->info.pvid);
2142 ret = 0;
2143
2144 error_pvid:
2145 return ret;
2146 }
2147
2148 #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */
2149 #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */
2150 /**
2151 * i40e_ndo_set_vf_bw
2152 * @netdev: network interface device structure
2153 * @vf_id: VF identifier
2154 * @tx_rate: Tx rate
2155 *
2156 * configure VF Tx rate
2157 **/
2158 int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate,
2159 int max_tx_rate)
2160 {
2161 struct i40e_netdev_priv *np = netdev_priv(netdev);
2162 struct i40e_pf *pf = np->vsi->back;
2163 struct i40e_vsi *vsi;
2164 struct i40e_vf *vf;
2165 int speed = 0;
2166 int ret = 0;
2167
2168 /* validate the request */
2169 if (vf_id >= pf->num_alloc_vfs) {
2170 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id);
2171 ret = -EINVAL;
2172 goto error;
2173 }
2174
2175 if (min_tx_rate) {
2176 dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n",
2177 min_tx_rate, vf_id);
2178 return -EINVAL;
2179 }
2180
2181 vf = &(pf->vf[vf_id]);
2182 vsi = pf->vsi[vf->lan_vsi_idx];
2183 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2184 dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id);
2185 ret = -EINVAL;
2186 goto error;
2187 }
2188
2189 switch (pf->hw.phy.link_info.link_speed) {
2190 case I40E_LINK_SPEED_40GB:
2191 speed = 40000;
2192 break;
2193 case I40E_LINK_SPEED_10GB:
2194 speed = 10000;
2195 break;
2196 case I40E_LINK_SPEED_1GB:
2197 speed = 1000;
2198 break;
2199 default:
2200 break;
2201 }
2202
2203 if (max_tx_rate > speed) {
2204 dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.",
2205 max_tx_rate, vf->vf_id);
2206 ret = -EINVAL;
2207 goto error;
2208 }
2209
2210 if ((max_tx_rate < 50) && (max_tx_rate > 0)) {
2211 dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n");
2212 max_tx_rate = 50;
2213 }
2214
2215 /* Tx rate credits are in values of 50Mbps, 0 is disabled*/
2216 ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid,
2217 max_tx_rate / I40E_BW_CREDIT_DIVISOR,
2218 I40E_MAX_BW_INACTIVE_ACCUM, NULL);
2219 if (ret) {
2220 dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n",
2221 ret);
2222 ret = -EIO;
2223 goto error;
2224 }
2225 vf->tx_rate = max_tx_rate;
2226 error:
2227 return ret;
2228 }
2229
2230 /**
2231 * i40e_ndo_get_vf_config
2232 * @netdev: network interface device structure
2233 * @vf_id: VF identifier
2234 * @ivi: VF configuration structure
2235 *
2236 * return VF configuration
2237 **/
2238 int i40e_ndo_get_vf_config(struct net_device *netdev,
2239 int vf_id, struct ifla_vf_info *ivi)
2240 {
2241 struct i40e_netdev_priv *np = netdev_priv(netdev);
2242 struct i40e_vsi *vsi = np->vsi;
2243 struct i40e_pf *pf = vsi->back;
2244 struct i40e_vf *vf;
2245 int ret = 0;
2246
2247 /* validate the request */
2248 if (vf_id >= pf->num_alloc_vfs) {
2249 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2250 ret = -EINVAL;
2251 goto error_param;
2252 }
2253
2254 vf = &(pf->vf[vf_id]);
2255 /* first vsi is always the LAN vsi */
2256 vsi = pf->vsi[vf->lan_vsi_idx];
2257 if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) {
2258 dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id);
2259 ret = -EINVAL;
2260 goto error_param;
2261 }
2262
2263 ivi->vf = vf_id;
2264
2265 memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN);
2266
2267 ivi->max_tx_rate = vf->tx_rate;
2268 ivi->min_tx_rate = 0;
2269 ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK;
2270 ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >>
2271 I40E_VLAN_PRIORITY_SHIFT;
2272 if (vf->link_forced == false)
2273 ivi->linkstate = IFLA_VF_LINK_STATE_AUTO;
2274 else if (vf->link_up == true)
2275 ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE;
2276 else
2277 ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE;
2278 ivi->spoofchk = vf->spoofchk;
2279 ret = 0;
2280
2281 error_param:
2282 return ret;
2283 }
2284
2285 /**
2286 * i40e_ndo_set_vf_link_state
2287 * @netdev: network interface device structure
2288 * @vf_id: VF identifier
2289 * @link: required link state
2290 *
2291 * Set the link state of a specified VF, regardless of physical link state
2292 **/
2293 int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link)
2294 {
2295 struct i40e_netdev_priv *np = netdev_priv(netdev);
2296 struct i40e_pf *pf = np->vsi->back;
2297 struct i40e_virtchnl_pf_event pfe;
2298 struct i40e_hw *hw = &pf->hw;
2299 struct i40e_vf *vf;
2300 int abs_vf_id;
2301 int ret = 0;
2302
2303 /* validate the request */
2304 if (vf_id >= pf->num_alloc_vfs) {
2305 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2306 ret = -EINVAL;
2307 goto error_out;
2308 }
2309
2310 vf = &pf->vf[vf_id];
2311 abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id;
2312
2313 pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE;
2314 pfe.severity = I40E_PF_EVENT_SEVERITY_INFO;
2315
2316 switch (link) {
2317 case IFLA_VF_LINK_STATE_AUTO:
2318 vf->link_forced = false;
2319 pfe.event_data.link_event.link_status =
2320 pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP;
2321 pfe.event_data.link_event.link_speed =
2322 pf->hw.phy.link_info.link_speed;
2323 break;
2324 case IFLA_VF_LINK_STATE_ENABLE:
2325 vf->link_forced = true;
2326 vf->link_up = true;
2327 pfe.event_data.link_event.link_status = true;
2328 pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB;
2329 break;
2330 case IFLA_VF_LINK_STATE_DISABLE:
2331 vf->link_forced = true;
2332 vf->link_up = false;
2333 pfe.event_data.link_event.link_status = false;
2334 pfe.event_data.link_event.link_speed = 0;
2335 break;
2336 default:
2337 ret = -EINVAL;
2338 goto error_out;
2339 }
2340 /* Notify the VF of its new link state */
2341 i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT,
2342 0, (u8 *)&pfe, sizeof(pfe), NULL);
2343
2344 error_out:
2345 return ret;
2346 }
2347
2348 /**
2349 * i40e_ndo_set_vf_spoofchk
2350 * @netdev: network interface device structure
2351 * @vf_id: VF identifier
2352 * @enable: flag to enable or disable feature
2353 *
2354 * Enable or disable VF spoof checking
2355 **/
2356 int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable)
2357 {
2358 struct i40e_netdev_priv *np = netdev_priv(netdev);
2359 struct i40e_vsi *vsi = np->vsi;
2360 struct i40e_pf *pf = vsi->back;
2361 struct i40e_vsi_context ctxt;
2362 struct i40e_hw *hw = &pf->hw;
2363 struct i40e_vf *vf;
2364 int ret = 0;
2365
2366 /* validate the request */
2367 if (vf_id >= pf->num_alloc_vfs) {
2368 dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id);
2369 ret = -EINVAL;
2370 goto out;
2371 }
2372
2373 vf = &(pf->vf[vf_id]);
2374
2375 if (enable == vf->spoofchk)
2376 goto out;
2377
2378 vf->spoofchk = enable;
2379 memset(&ctxt, 0, sizeof(ctxt));
2380 ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid;
2381 ctxt.pf_num = pf->hw.pf_id;
2382 ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID);
2383 if (enable)
2384 ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK |
2385 I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK);
2386 ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL);
2387 if (ret) {
2388 dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n",
2389 ret);
2390 ret = -EIO;
2391 }
2392 out:
2393 return ret;
2394 }
Linux kernel - Deliverables
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