]>
Commit | Line | Data |
---|---|---|
5c3c48ac JB |
1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Driver | |
dc641b73 | 4 | * Copyright(c) 2013 - 2014 Intel Corporation. |
5c3c48ac JB |
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 | * | |
dc641b73 GR |
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/>. | |
5c3c48ac JB |
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 | /***********************misc routines*****************************/ | |
30 | ||
31 | /** | |
32 | * i40e_vc_isvalid_vsi_id | |
33 | * @vf: pointer to the vf info | |
34 | * @vsi_id: vf relative vsi id | |
35 | * | |
36 | * check for the valid vsi id | |
37 | **/ | |
38 | static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u8 vsi_id) | |
39 | { | |
40 | struct i40e_pf *pf = vf->pf; | |
41 | ||
42 | return pf->vsi[vsi_id]->vf_id == vf->vf_id; | |
43 | } | |
44 | ||
45 | /** | |
46 | * i40e_vc_isvalid_queue_id | |
47 | * @vf: pointer to the vf info | |
48 | * @vsi_id: vsi id | |
49 | * @qid: vsi relative queue id | |
50 | * | |
51 | * check for the valid queue id | |
52 | **/ | |
53 | static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u8 vsi_id, | |
54 | u8 qid) | |
55 | { | |
56 | struct i40e_pf *pf = vf->pf; | |
57 | ||
58 | return qid < pf->vsi[vsi_id]->num_queue_pairs; | |
59 | } | |
60 | ||
61 | /** | |
62 | * i40e_vc_isvalid_vector_id | |
63 | * @vf: pointer to the vf info | |
64 | * @vector_id: vf relative vector id | |
65 | * | |
66 | * check for the valid vector id | |
67 | **/ | |
68 | static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id) | |
69 | { | |
70 | struct i40e_pf *pf = vf->pf; | |
71 | ||
54692b40 | 72 | return vector_id <= pf->hw.func_caps.num_msix_vectors_vf; |
5c3c48ac JB |
73 | } |
74 | ||
75 | /***********************vf resource mgmt routines*****************/ | |
76 | ||
77 | /** | |
78 | * i40e_vc_get_pf_queue_id | |
79 | * @vf: pointer to the vf info | |
80 | * @vsi_idx: index of VSI in PF struct | |
81 | * @vsi_queue_id: vsi relative queue id | |
82 | * | |
83 | * return pf relative queue id | |
84 | **/ | |
85 | static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u8 vsi_idx, | |
86 | u8 vsi_queue_id) | |
87 | { | |
88 | struct i40e_pf *pf = vf->pf; | |
89 | struct i40e_vsi *vsi = pf->vsi[vsi_idx]; | |
90 | u16 pf_queue_id = I40E_QUEUE_END_OF_LIST; | |
91 | ||
92 | if (le16_to_cpu(vsi->info.mapping_flags) & | |
93 | I40E_AQ_VSI_QUE_MAP_NONCONTIG) | |
94 | pf_queue_id = | |
95 | le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]); | |
96 | else | |
97 | pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) + | |
98 | vsi_queue_id; | |
99 | ||
100 | return pf_queue_id; | |
101 | } | |
102 | ||
5c3c48ac JB |
103 | /** |
104 | * i40e_config_irq_link_list | |
105 | * @vf: pointer to the vf info | |
106 | * @vsi_idx: index of VSI in PF struct | |
107 | * @vecmap: irq map info | |
108 | * | |
109 | * configure irq link list from the map | |
110 | **/ | |
111 | static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_idx, | |
112 | struct i40e_virtchnl_vector_map *vecmap) | |
113 | { | |
114 | unsigned long linklistmap = 0, tempmap; | |
115 | struct i40e_pf *pf = vf->pf; | |
116 | struct i40e_hw *hw = &pf->hw; | |
117 | u16 vsi_queue_id, pf_queue_id; | |
118 | enum i40e_queue_type qtype; | |
119 | u16 next_q, vector_id; | |
120 | u32 reg, reg_idx; | |
121 | u16 itr_idx = 0; | |
122 | ||
123 | vector_id = vecmap->vector_id; | |
124 | /* setup the head */ | |
125 | if (0 == vector_id) | |
126 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
127 | else | |
128 | reg_idx = I40E_VPINT_LNKLSTN( | |
13c60b99 | 129 | (pf->hw.func_caps.num_msix_vectors_vf |
5c3c48ac JB |
130 | * vf->vf_id) + (vector_id - 1)); |
131 | ||
132 | if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { | |
133 | /* Special case - No queues mapped on this vector */ | |
134 | wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK); | |
135 | goto irq_list_done; | |
136 | } | |
137 | tempmap = vecmap->rxq_map; | |
4836650b | 138 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
139 | linklistmap |= (1 << |
140 | (I40E_VIRTCHNL_SUPPORTED_QTYPES * | |
141 | vsi_queue_id)); | |
5c3c48ac JB |
142 | } |
143 | ||
144 | tempmap = vecmap->txq_map; | |
4836650b | 145 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
146 | linklistmap |= (1 << |
147 | (I40E_VIRTCHNL_SUPPORTED_QTYPES * vsi_queue_id | |
148 | + 1)); | |
5c3c48ac JB |
149 | } |
150 | ||
151 | next_q = find_first_bit(&linklistmap, | |
152 | (I40E_MAX_VSI_QP * | |
153 | I40E_VIRTCHNL_SUPPORTED_QTYPES)); | |
154 | vsi_queue_id = next_q/I40E_VIRTCHNL_SUPPORTED_QTYPES; | |
155 | qtype = next_q%I40E_VIRTCHNL_SUPPORTED_QTYPES; | |
156 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id); | |
157 | reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id); | |
158 | ||
159 | wr32(hw, reg_idx, reg); | |
160 | ||
161 | while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { | |
162 | switch (qtype) { | |
163 | case I40E_QUEUE_TYPE_RX: | |
164 | reg_idx = I40E_QINT_RQCTL(pf_queue_id); | |
165 | itr_idx = vecmap->rxitr_idx; | |
166 | break; | |
167 | case I40E_QUEUE_TYPE_TX: | |
168 | reg_idx = I40E_QINT_TQCTL(pf_queue_id); | |
169 | itr_idx = vecmap->txitr_idx; | |
170 | break; | |
171 | default: | |
172 | break; | |
173 | } | |
174 | ||
175 | next_q = find_next_bit(&linklistmap, | |
176 | (I40E_MAX_VSI_QP * | |
177 | I40E_VIRTCHNL_SUPPORTED_QTYPES), | |
178 | next_q + 1); | |
829af3ac MW |
179 | if (next_q < |
180 | (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { | |
5c3c48ac JB |
181 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
182 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; | |
183 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, | |
184 | vsi_queue_id); | |
185 | } else { | |
186 | pf_queue_id = I40E_QUEUE_END_OF_LIST; | |
187 | qtype = 0; | |
188 | } | |
189 | ||
190 | /* format for the RQCTL & TQCTL regs is same */ | |
191 | reg = (vector_id) | | |
192 | (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | | |
193 | (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | | |
194 | (1 << I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | | |
195 | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); | |
196 | wr32(hw, reg_idx, reg); | |
197 | } | |
198 | ||
199 | irq_list_done: | |
200 | i40e_flush(hw); | |
201 | } | |
202 | ||
203 | /** | |
204 | * i40e_config_vsi_tx_queue | |
205 | * @vf: pointer to the vf info | |
206 | * @vsi_idx: index of VSI in PF struct | |
207 | * @vsi_queue_id: vsi relative queue index | |
208 | * @info: config. info | |
209 | * | |
210 | * configure tx queue | |
211 | **/ | |
212 | static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_idx, | |
213 | u16 vsi_queue_id, | |
214 | struct i40e_virtchnl_txq_info *info) | |
215 | { | |
216 | struct i40e_pf *pf = vf->pf; | |
217 | struct i40e_hw *hw = &pf->hw; | |
218 | struct i40e_hmc_obj_txq tx_ctx; | |
219 | u16 pf_queue_id; | |
220 | u32 qtx_ctl; | |
221 | int ret = 0; | |
222 | ||
223 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id); | |
224 | ||
225 | /* clear the context structure first */ | |
226 | memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq)); | |
227 | ||
228 | /* only set the required fields */ | |
229 | tx_ctx.base = info->dma_ring_addr / 128; | |
230 | tx_ctx.qlen = info->ring_len; | |
231 | tx_ctx.rdylist = le16_to_cpu(pf->vsi[vsi_idx]->info.qs_handle[0]); | |
232 | tx_ctx.rdylist_act = 0; | |
233 | ||
234 | /* clear the context in the HMC */ | |
235 | ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); | |
236 | if (ret) { | |
237 | dev_err(&pf->pdev->dev, | |
238 | "Failed to clear VF LAN Tx queue context %d, error: %d\n", | |
239 | pf_queue_id, ret); | |
240 | ret = -ENOENT; | |
241 | goto error_context; | |
242 | } | |
243 | ||
244 | /* set the context in the HMC */ | |
245 | ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx); | |
246 | if (ret) { | |
247 | dev_err(&pf->pdev->dev, | |
248 | "Failed to set VF LAN Tx queue context %d error: %d\n", | |
249 | pf_queue_id, ret); | |
250 | ret = -ENOENT; | |
251 | goto error_context; | |
252 | } | |
253 | ||
254 | /* associate this queue with the PCI VF function */ | |
255 | qtx_ctl = I40E_QTX_CTL_VF_QUEUE; | |
13fd9774 | 256 | qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) |
5c3c48ac JB |
257 | & I40E_QTX_CTL_PF_INDX_MASK); |
258 | qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) | |
259 | << I40E_QTX_CTL_VFVM_INDX_SHIFT) | |
260 | & I40E_QTX_CTL_VFVM_INDX_MASK); | |
261 | wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl); | |
262 | i40e_flush(hw); | |
263 | ||
264 | error_context: | |
265 | return ret; | |
266 | } | |
267 | ||
268 | /** | |
269 | * i40e_config_vsi_rx_queue | |
270 | * @vf: pointer to the vf info | |
271 | * @vsi_idx: index of VSI in PF struct | |
272 | * @vsi_queue_id: vsi relative queue index | |
273 | * @info: config. info | |
274 | * | |
275 | * configure rx queue | |
276 | **/ | |
277 | static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_idx, | |
278 | u16 vsi_queue_id, | |
279 | struct i40e_virtchnl_rxq_info *info) | |
280 | { | |
281 | struct i40e_pf *pf = vf->pf; | |
282 | struct i40e_hw *hw = &pf->hw; | |
283 | struct i40e_hmc_obj_rxq rx_ctx; | |
284 | u16 pf_queue_id; | |
285 | int ret = 0; | |
286 | ||
287 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_idx, vsi_queue_id); | |
288 | ||
289 | /* clear the context structure first */ | |
290 | memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); | |
291 | ||
292 | /* only set the required fields */ | |
293 | rx_ctx.base = info->dma_ring_addr / 128; | |
294 | rx_ctx.qlen = info->ring_len; | |
295 | ||
296 | if (info->splithdr_enabled) { | |
297 | rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 | | |
298 | I40E_RX_SPLIT_IP | | |
299 | I40E_RX_SPLIT_TCP_UDP | | |
300 | I40E_RX_SPLIT_SCTP; | |
301 | /* header length validation */ | |
302 | if (info->hdr_size > ((2 * 1024) - 64)) { | |
303 | ret = -EINVAL; | |
304 | goto error_param; | |
305 | } | |
306 | rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; | |
307 | ||
308 | /* set splitalways mode 10b */ | |
309 | rx_ctx.dtype = 0x2; | |
310 | } | |
311 | ||
312 | /* databuffer length validation */ | |
313 | if (info->databuffer_size > ((16 * 1024) - 128)) { | |
314 | ret = -EINVAL; | |
315 | goto error_param; | |
316 | } | |
317 | rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; | |
318 | ||
319 | /* max pkt. length validation */ | |
320 | if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) { | |
321 | ret = -EINVAL; | |
322 | goto error_param; | |
323 | } | |
324 | rx_ctx.rxmax = info->max_pkt_size; | |
325 | ||
326 | /* enable 32bytes desc always */ | |
327 | rx_ctx.dsize = 1; | |
328 | ||
329 | /* default values */ | |
330 | rx_ctx.tphrdesc_ena = 1; | |
331 | rx_ctx.tphwdesc_ena = 1; | |
332 | rx_ctx.tphdata_ena = 1; | |
333 | rx_ctx.tphhead_ena = 1; | |
334 | rx_ctx.lrxqthresh = 2; | |
335 | rx_ctx.crcstrip = 1; | |
336 | ||
337 | /* clear the context in the HMC */ | |
338 | ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); | |
339 | if (ret) { | |
340 | dev_err(&pf->pdev->dev, | |
341 | "Failed to clear VF LAN Rx queue context %d, error: %d\n", | |
342 | pf_queue_id, ret); | |
343 | ret = -ENOENT; | |
344 | goto error_param; | |
345 | } | |
346 | ||
347 | /* set the context in the HMC */ | |
348 | ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx); | |
349 | if (ret) { | |
350 | dev_err(&pf->pdev->dev, | |
351 | "Failed to set VF LAN Rx queue context %d error: %d\n", | |
352 | pf_queue_id, ret); | |
353 | ret = -ENOENT; | |
354 | goto error_param; | |
355 | } | |
356 | ||
357 | error_param: | |
358 | return ret; | |
359 | } | |
360 | ||
361 | /** | |
362 | * i40e_alloc_vsi_res | |
363 | * @vf: pointer to the vf info | |
364 | * @type: type of VSI to allocate | |
365 | * | |
366 | * alloc vf vsi context & resources | |
367 | **/ | |
368 | static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) | |
369 | { | |
370 | struct i40e_mac_filter *f = NULL; | |
371 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac JB |
372 | struct i40e_vsi *vsi; |
373 | int ret = 0; | |
374 | ||
375 | vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id); | |
376 | ||
377 | if (!vsi) { | |
378 | dev_err(&pf->pdev->dev, | |
379 | "add vsi failed for vf %d, aq_err %d\n", | |
380 | vf->vf_id, pf->hw.aq.asq_last_status); | |
381 | ret = -ENOENT; | |
382 | goto error_alloc_vsi_res; | |
383 | } | |
384 | if (type == I40E_VSI_SRIOV) { | |
1a10370a | 385 | u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
5c3c48ac JB |
386 | vf->lan_vsi_index = vsi->idx; |
387 | vf->lan_vsi_id = vsi->id; | |
388 | dev_info(&pf->pdev->dev, | |
d4194996 MW |
389 | "VF %d assigned LAN VSI index %d, VSI id %d\n", |
390 | vf->vf_id, vsi->idx, vsi->id); | |
6c12fcbf GR |
391 | /* If the port VLAN has been configured and then the |
392 | * VF driver was removed then the VSI port VLAN | |
393 | * configuration was destroyed. Check if there is | |
394 | * a port VLAN and restore the VSI configuration if | |
395 | * needed. | |
396 | */ | |
397 | if (vf->port_vlan_id) | |
398 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); | |
5c3c48ac | 399 | f = i40e_add_filter(vsi, vf->default_lan_addr.addr, |
6c12fcbf | 400 | vf->port_vlan_id, true, false); |
1a10370a GR |
401 | if (!f) |
402 | dev_info(&pf->pdev->dev, | |
403 | "Could not allocate VF MAC addr\n"); | |
404 | f = i40e_add_filter(vsi, brdcast, vf->port_vlan_id, | |
405 | true, false); | |
406 | if (!f) | |
407 | dev_info(&pf->pdev->dev, | |
408 | "Could not allocate VF broadcast filter\n"); | |
5c3c48ac | 409 | } |
6dbbbfb2 | 410 | |
5c3c48ac JB |
411 | if (!f) { |
412 | dev_err(&pf->pdev->dev, "Unable to add ucast filter\n"); | |
413 | ret = -ENOMEM; | |
414 | goto error_alloc_vsi_res; | |
415 | } | |
416 | ||
417 | /* program mac filter */ | |
418 | ret = i40e_sync_vsi_filters(vsi); | |
419 | if (ret) { | |
420 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); | |
421 | goto error_alloc_vsi_res; | |
422 | } | |
423 | ||
5c3c48ac JB |
424 | error_alloc_vsi_res: |
425 | return ret; | |
426 | } | |
427 | ||
805bd5bd MW |
428 | /** |
429 | * i40e_enable_vf_mappings | |
430 | * @vf: pointer to the vf info | |
431 | * | |
432 | * enable vf mappings | |
433 | **/ | |
434 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) | |
435 | { | |
436 | struct i40e_pf *pf = vf->pf; | |
437 | struct i40e_hw *hw = &pf->hw; | |
438 | u32 reg, total_queue_pairs = 0; | |
439 | int j; | |
440 | ||
441 | /* Tell the hardware we're using noncontiguous mapping. HW requires | |
442 | * that VF queues be mapped using this method, even when they are | |
443 | * contiguous in real life | |
444 | */ | |
445 | wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), | |
446 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); | |
447 | ||
448 | /* enable VF vplan_qtable mappings */ | |
449 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; | |
450 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); | |
451 | ||
452 | /* map PF queues to VF queues */ | |
453 | for (j = 0; j < pf->vsi[vf->lan_vsi_index]->num_queue_pairs; j++) { | |
454 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, j); | |
455 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); | |
456 | wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg); | |
457 | total_queue_pairs++; | |
458 | } | |
459 | ||
460 | /* map PF queues to VSI */ | |
461 | for (j = 0; j < 7; j++) { | |
462 | if (j * 2 >= pf->vsi[vf->lan_vsi_index]->num_queue_pairs) { | |
463 | reg = 0x07FF07FF; /* unused */ | |
464 | } else { | |
465 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, | |
466 | j * 2); | |
467 | reg = qid; | |
468 | qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_index, | |
469 | (j * 2) + 1); | |
470 | reg |= qid << 16; | |
471 | } | |
472 | wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg); | |
473 | } | |
474 | ||
475 | i40e_flush(hw); | |
476 | } | |
477 | ||
478 | /** | |
479 | * i40e_disable_vf_mappings | |
480 | * @vf: pointer to the vf info | |
481 | * | |
482 | * disable vf mappings | |
483 | **/ | |
484 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) | |
485 | { | |
486 | struct i40e_pf *pf = vf->pf; | |
487 | struct i40e_hw *hw = &pf->hw; | |
488 | int i; | |
489 | ||
490 | /* disable qp mappings */ | |
491 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); | |
492 | for (i = 0; i < I40E_MAX_VSI_QP; i++) | |
493 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), | |
494 | I40E_QUEUE_END_OF_LIST); | |
495 | i40e_flush(hw); | |
496 | } | |
497 | ||
498 | /** | |
499 | * i40e_free_vf_res | |
500 | * @vf: pointer to the vf info | |
501 | * | |
502 | * free vf resources | |
503 | **/ | |
504 | static void i40e_free_vf_res(struct i40e_vf *vf) | |
505 | { | |
506 | struct i40e_pf *pf = vf->pf; | |
fc18eaa0 MW |
507 | struct i40e_hw *hw = &pf->hw; |
508 | u32 reg_idx, reg; | |
509 | int i, msix_vf; | |
805bd5bd MW |
510 | |
511 | /* free vsi & disconnect it from the parent uplink */ | |
512 | if (vf->lan_vsi_index) { | |
513 | i40e_vsi_release(pf->vsi[vf->lan_vsi_index]); | |
514 | vf->lan_vsi_index = 0; | |
515 | vf->lan_vsi_id = 0; | |
516 | } | |
fc18eaa0 MW |
517 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf + 1; |
518 | /* disable interrupts so the VF starts in a known state */ | |
519 | for (i = 0; i < msix_vf; i++) { | |
520 | /* format is same for both registers */ | |
521 | if (0 == i) | |
522 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); | |
523 | else | |
524 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * | |
525 | (vf->vf_id)) | |
526 | + (i - 1)); | |
527 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); | |
528 | i40e_flush(hw); | |
529 | } | |
805bd5bd | 530 | |
fc18eaa0 MW |
531 | /* clear the irq settings */ |
532 | for (i = 0; i < msix_vf; i++) { | |
533 | /* format is same for both registers */ | |
534 | if (0 == i) | |
535 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
536 | else | |
537 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * | |
538 | (vf->vf_id)) | |
539 | + (i - 1)); | |
540 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | | |
541 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); | |
542 | wr32(hw, reg_idx, reg); | |
543 | i40e_flush(hw); | |
544 | } | |
805bd5bd MW |
545 | /* reset some of the state varibles keeping |
546 | * track of the resources | |
547 | */ | |
548 | vf->num_queue_pairs = 0; | |
549 | vf->vf_states = 0; | |
550 | } | |
551 | ||
552 | /** | |
553 | * i40e_alloc_vf_res | |
554 | * @vf: pointer to the vf info | |
555 | * | |
556 | * allocate vf resources | |
557 | **/ | |
558 | static int i40e_alloc_vf_res(struct i40e_vf *vf) | |
559 | { | |
560 | struct i40e_pf *pf = vf->pf; | |
561 | int total_queue_pairs = 0; | |
562 | int ret; | |
563 | ||
564 | /* allocate hw vsi context & associated resources */ | |
565 | ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV); | |
566 | if (ret) | |
567 | goto error_alloc; | |
568 | total_queue_pairs += pf->vsi[vf->lan_vsi_index]->num_queue_pairs; | |
569 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); | |
570 | ||
571 | /* store the total qps number for the runtime | |
572 | * vf req validation | |
573 | */ | |
574 | vf->num_queue_pairs = total_queue_pairs; | |
575 | ||
576 | /* vf is now completely initialized */ | |
577 | set_bit(I40E_VF_STAT_INIT, &vf->vf_states); | |
578 | ||
579 | error_alloc: | |
580 | if (ret) | |
581 | i40e_free_vf_res(vf); | |
582 | ||
583 | return ret; | |
584 | } | |
585 | ||
fc18eaa0 MW |
586 | #define VF_DEVICE_STATUS 0xAA |
587 | #define VF_TRANS_PENDING_MASK 0x20 | |
588 | /** | |
589 | * i40e_quiesce_vf_pci | |
590 | * @vf: pointer to the vf structure | |
591 | * | |
592 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO | |
593 | * if the transactions never clear. | |
594 | **/ | |
595 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) | |
596 | { | |
597 | struct i40e_pf *pf = vf->pf; | |
598 | struct i40e_hw *hw = &pf->hw; | |
599 | int vf_abs_id, i; | |
600 | u32 reg; | |
601 | ||
b141d619 | 602 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
fc18eaa0 MW |
603 | |
604 | wr32(hw, I40E_PF_PCI_CIAA, | |
605 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); | |
606 | for (i = 0; i < 100; i++) { | |
607 | reg = rd32(hw, I40E_PF_PCI_CIAD); | |
608 | if ((reg & VF_TRANS_PENDING_MASK) == 0) | |
609 | return 0; | |
610 | udelay(1); | |
611 | } | |
612 | return -EIO; | |
613 | } | |
614 | ||
5c3c48ac JB |
615 | /** |
616 | * i40e_reset_vf | |
617 | * @vf: pointer to the vf structure | |
618 | * @flr: VFLR was issued or not | |
619 | * | |
620 | * reset the vf | |
621 | **/ | |
fc18eaa0 | 622 | void i40e_reset_vf(struct i40e_vf *vf, bool flr) |
5c3c48ac | 623 | { |
5c3c48ac JB |
624 | struct i40e_pf *pf = vf->pf; |
625 | struct i40e_hw *hw = &pf->hw; | |
5c3c48ac | 626 | bool rsd = false; |
fc18eaa0 MW |
627 | int i; |
628 | u32 reg; | |
5c3c48ac JB |
629 | |
630 | /* warn the VF */ | |
5c3c48ac JB |
631 | clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
632 | ||
fc18eaa0 MW |
633 | /* In the case of a VFLR, the HW has already reset the VF and we |
634 | * just need to clean up, so don't hit the VFRTRIG register. | |
5c3c48ac JB |
635 | */ |
636 | if (!flr) { | |
637 | /* reset vf using VPGEN_VFRTRIG reg */ | |
fc18eaa0 MW |
638 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
639 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
5c3c48ac JB |
640 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
641 | i40e_flush(hw); | |
642 | } | |
643 | ||
fc18eaa0 MW |
644 | if (i40e_quiesce_vf_pci(vf)) |
645 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", | |
646 | vf->vf_id); | |
647 | ||
5c3c48ac JB |
648 | /* poll VPGEN_VFRSTAT reg to make sure |
649 | * that reset is complete | |
650 | */ | |
fc18eaa0 | 651 | for (i = 0; i < 100; i++) { |
5c3c48ac JB |
652 | /* vf reset requires driver to first reset the |
653 | * vf & than poll the status register to make sure | |
654 | * that the requested op was completed | |
655 | * successfully | |
656 | */ | |
657 | udelay(10); | |
658 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); | |
659 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { | |
660 | rsd = true; | |
661 | break; | |
662 | } | |
663 | } | |
664 | ||
665 | if (!rsd) | |
fc18eaa0 | 666 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
5c3c48ac | 667 | vf->vf_id); |
fc18eaa0 | 668 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); |
5c3c48ac JB |
669 | /* clear the reset bit in the VPGEN_VFRTRIG reg */ |
670 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); | |
671 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
672 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); | |
fc18eaa0 MW |
673 | |
674 | /* On initial reset, we won't have any queues */ | |
675 | if (vf->lan_vsi_index == 0) | |
676 | goto complete_reset; | |
677 | ||
678 | i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_index], false); | |
679 | complete_reset: | |
680 | /* reallocate vf resources to reset the VSI state */ | |
681 | i40e_free_vf_res(vf); | |
682 | mdelay(10); | |
683 | i40e_alloc_vf_res(vf); | |
684 | i40e_enable_vf_mappings(vf); | |
685 | ||
5c3c48ac | 686 | /* tell the VF the reset is done */ |
fc18eaa0 | 687 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); |
5c3c48ac | 688 | i40e_flush(hw); |
5c3c48ac JB |
689 | } |
690 | ||
5c3c48ac JB |
691 | /** |
692 | * i40e_vfs_are_assigned | |
693 | * @pf: pointer to the pf structure | |
694 | * | |
695 | * Determine if any VFs are assigned to VMs | |
696 | **/ | |
697 | static bool i40e_vfs_are_assigned(struct i40e_pf *pf) | |
698 | { | |
699 | struct pci_dev *pdev = pf->pdev; | |
700 | struct pci_dev *vfdev; | |
701 | ||
702 | /* loop through all the VFs to see if we own any that are assigned */ | |
ab60085e | 703 | vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, I40E_DEV_ID_VF , NULL); |
5c3c48ac JB |
704 | while (vfdev) { |
705 | /* if we don't own it we don't care */ | |
706 | if (vfdev->is_virtfn && pci_physfn(vfdev) == pdev) { | |
707 | /* if it is assigned we cannot release it */ | |
708 | if (vfdev->dev_flags & PCI_DEV_FLAGS_ASSIGNED) | |
709 | return true; | |
710 | } | |
711 | ||
712 | vfdev = pci_get_device(PCI_VENDOR_ID_INTEL, | |
ab60085e | 713 | I40E_DEV_ID_VF, |
5c3c48ac JB |
714 | vfdev); |
715 | } | |
716 | ||
717 | return false; | |
718 | } | |
c354229f GR |
719 | #ifdef CONFIG_PCI_IOV |
720 | ||
721 | /** | |
722 | * i40e_enable_pf_switch_lb | |
723 | * @pf: pointer to the pf structure | |
724 | * | |
725 | * enable switch loop back or die - no point in a return value | |
726 | **/ | |
727 | static void i40e_enable_pf_switch_lb(struct i40e_pf *pf) | |
728 | { | |
729 | struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; | |
730 | struct i40e_vsi_context ctxt; | |
731 | int aq_ret; | |
732 | ||
733 | ctxt.seid = pf->main_vsi_seid; | |
734 | ctxt.pf_num = pf->hw.pf_id; | |
735 | ctxt.vf_num = 0; | |
736 | aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL); | |
737 | if (aq_ret) { | |
738 | dev_info(&pf->pdev->dev, | |
739 | "%s couldn't get pf vsi config, err %d, aq_err %d\n", | |
740 | __func__, aq_ret, pf->hw.aq.asq_last_status); | |
741 | return; | |
742 | } | |
743 | ctxt.flags = I40E_AQ_VSI_TYPE_PF; | |
744 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); | |
745 | ctxt.info.switch_id |= cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); | |
746 | ||
747 | aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); | |
748 | if (aq_ret) { | |
749 | dev_info(&pf->pdev->dev, | |
750 | "%s: update vsi switch failed, aq_err=%d\n", | |
751 | __func__, vsi->back->hw.aq.asq_last_status); | |
752 | } | |
753 | } | |
754 | #endif | |
755 | ||
756 | /** | |
757 | * i40e_disable_pf_switch_lb | |
758 | * @pf: pointer to the pf structure | |
759 | * | |
760 | * disable switch loop back or die - no point in a return value | |
761 | **/ | |
762 | static void i40e_disable_pf_switch_lb(struct i40e_pf *pf) | |
763 | { | |
764 | struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi]; | |
765 | struct i40e_vsi_context ctxt; | |
766 | int aq_ret; | |
767 | ||
768 | ctxt.seid = pf->main_vsi_seid; | |
769 | ctxt.pf_num = pf->hw.pf_id; | |
770 | ctxt.vf_num = 0; | |
771 | aq_ret = i40e_aq_get_vsi_params(&pf->hw, &ctxt, NULL); | |
772 | if (aq_ret) { | |
773 | dev_info(&pf->pdev->dev, | |
774 | "%s couldn't get pf vsi config, err %d, aq_err %d\n", | |
775 | __func__, aq_ret, pf->hw.aq.asq_last_status); | |
776 | return; | |
777 | } | |
778 | ctxt.flags = I40E_AQ_VSI_TYPE_PF; | |
779 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SWITCH_VALID); | |
780 | ctxt.info.switch_id &= ~cpu_to_le16(I40E_AQ_VSI_SW_ID_FLAG_ALLOW_LB); | |
781 | ||
782 | aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL); | |
783 | if (aq_ret) { | |
784 | dev_info(&pf->pdev->dev, | |
785 | "%s: update vsi switch failed, aq_err=%d\n", | |
786 | __func__, vsi->back->hw.aq.asq_last_status); | |
787 | } | |
788 | } | |
5c3c48ac JB |
789 | |
790 | /** | |
791 | * i40e_free_vfs | |
792 | * @pf: pointer to the pf structure | |
793 | * | |
794 | * free vf resources | |
795 | **/ | |
796 | void i40e_free_vfs(struct i40e_pf *pf) | |
797 | { | |
f7414531 MW |
798 | struct i40e_hw *hw = &pf->hw; |
799 | u32 reg_idx, bit_idx; | |
800 | int i, tmp, vf_id; | |
5c3c48ac JB |
801 | |
802 | if (!pf->vf) | |
803 | return; | |
804 | ||
805 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ | |
2ef28cfb MW |
806 | i40e_irq_dynamic_disable_icr0(pf); |
807 | ||
6c1b5bff | 808 | mdelay(10); /* let any messages in transit get finished up */ |
5c3c48ac | 809 | /* free up vf resources */ |
6c1b5bff MW |
810 | tmp = pf->num_alloc_vfs; |
811 | pf->num_alloc_vfs = 0; | |
812 | for (i = 0; i < tmp; i++) { | |
5c3c48ac JB |
813 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) |
814 | i40e_free_vf_res(&pf->vf[i]); | |
815 | /* disable qp mappings */ | |
816 | i40e_disable_vf_mappings(&pf->vf[i]); | |
817 | } | |
818 | ||
819 | kfree(pf->vf); | |
820 | pf->vf = NULL; | |
5c3c48ac | 821 | |
f7414531 | 822 | if (!i40e_vfs_are_assigned(pf)) { |
5c3c48ac | 823 | pci_disable_sriov(pf->pdev); |
f7414531 MW |
824 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
825 | * work correctly when SR-IOV gets re-enabled. | |
826 | */ | |
827 | for (vf_id = 0; vf_id < tmp; vf_id++) { | |
828 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
829 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
830 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); | |
831 | } | |
c354229f GR |
832 | i40e_disable_pf_switch_lb(pf); |
833 | } else { | |
5c3c48ac JB |
834 | dev_warn(&pf->pdev->dev, |
835 | "unable to disable SR-IOV because VFs are assigned.\n"); | |
c354229f | 836 | } |
5c3c48ac JB |
837 | |
838 | /* Re-enable interrupt 0. */ | |
2ef28cfb | 839 | i40e_irq_dynamic_enable_icr0(pf); |
5c3c48ac JB |
840 | } |
841 | ||
842 | #ifdef CONFIG_PCI_IOV | |
843 | /** | |
844 | * i40e_alloc_vfs | |
845 | * @pf: pointer to the pf structure | |
846 | * @num_alloc_vfs: number of vfs to allocate | |
847 | * | |
848 | * allocate vf resources | |
849 | **/ | |
850 | static int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) | |
851 | { | |
852 | struct i40e_vf *vfs; | |
853 | int i, ret = 0; | |
854 | ||
6c1b5bff | 855 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
2ef28cfb MW |
856 | i40e_irq_dynamic_disable_icr0(pf); |
857 | ||
5c3c48ac JB |
858 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); |
859 | if (ret) { | |
860 | dev_err(&pf->pdev->dev, | |
861 | "pci_enable_sriov failed with error %d!\n", ret); | |
862 | pf->num_alloc_vfs = 0; | |
863 | goto err_iov; | |
864 | } | |
865 | ||
866 | /* allocate memory */ | |
867 | vfs = kzalloc(num_alloc_vfs * sizeof(struct i40e_vf), GFP_KERNEL); | |
868 | if (!vfs) { | |
869 | ret = -ENOMEM; | |
870 | goto err_alloc; | |
871 | } | |
872 | ||
873 | /* apply default profile */ | |
874 | for (i = 0; i < num_alloc_vfs; i++) { | |
875 | vfs[i].pf = pf; | |
876 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; | |
877 | vfs[i].vf_id = i; | |
878 | ||
879 | /* assign default capabilities */ | |
880 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); | |
fc18eaa0 MW |
881 | /* vf resources get allocated during reset */ |
882 | i40e_reset_vf(&vfs[i], false); | |
5c3c48ac JB |
883 | |
884 | /* enable vf vplan_qtable mappings */ | |
885 | i40e_enable_vf_mappings(&vfs[i]); | |
886 | } | |
887 | pf->vf = vfs; | |
888 | pf->num_alloc_vfs = num_alloc_vfs; | |
889 | ||
c354229f | 890 | i40e_enable_pf_switch_lb(pf); |
5c3c48ac JB |
891 | err_alloc: |
892 | if (ret) | |
893 | i40e_free_vfs(pf); | |
894 | err_iov: | |
6c1b5bff | 895 | /* Re-enable interrupt 0. */ |
2ef28cfb | 896 | i40e_irq_dynamic_enable_icr0(pf); |
5c3c48ac JB |
897 | return ret; |
898 | } | |
899 | ||
900 | #endif | |
901 | /** | |
902 | * i40e_pci_sriov_enable | |
903 | * @pdev: pointer to a pci_dev structure | |
904 | * @num_vfs: number of vfs to allocate | |
905 | * | |
906 | * Enable or change the number of VFs | |
907 | **/ | |
908 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) | |
909 | { | |
910 | #ifdef CONFIG_PCI_IOV | |
911 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
912 | int pre_existing_vfs = pci_num_vf(pdev); | |
913 | int err = 0; | |
914 | ||
915 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); | |
916 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) | |
917 | i40e_free_vfs(pf); | |
918 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) | |
919 | goto out; | |
920 | ||
921 | if (num_vfs > pf->num_req_vfs) { | |
922 | err = -EPERM; | |
923 | goto err_out; | |
924 | } | |
925 | ||
926 | err = i40e_alloc_vfs(pf, num_vfs); | |
927 | if (err) { | |
928 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); | |
929 | goto err_out; | |
930 | } | |
931 | ||
932 | out: | |
933 | return num_vfs; | |
934 | ||
935 | err_out: | |
936 | return err; | |
937 | #endif | |
938 | return 0; | |
939 | } | |
940 | ||
941 | /** | |
942 | * i40e_pci_sriov_configure | |
943 | * @pdev: pointer to a pci_dev structure | |
944 | * @num_vfs: number of vfs to allocate | |
945 | * | |
946 | * Enable or change the number of VFs. Called when the user updates the number | |
947 | * of VFs in sysfs. | |
948 | **/ | |
949 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) | |
950 | { | |
951 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
952 | ||
953 | if (num_vfs) | |
954 | return i40e_pci_sriov_enable(pdev, num_vfs); | |
955 | ||
956 | i40e_free_vfs(pf); | |
957 | return 0; | |
958 | } | |
959 | ||
960 | /***********************virtual channel routines******************/ | |
961 | ||
962 | /** | |
963 | * i40e_vc_send_msg_to_vf | |
964 | * @vf: pointer to the vf info | |
965 | * @v_opcode: virtual channel opcode | |
966 | * @v_retval: virtual channel return value | |
967 | * @msg: pointer to the msg buffer | |
968 | * @msglen: msg length | |
969 | * | |
970 | * send msg to vf | |
971 | **/ | |
972 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, | |
973 | u32 v_retval, u8 *msg, u16 msglen) | |
974 | { | |
975 | struct i40e_pf *pf = vf->pf; | |
976 | struct i40e_hw *hw = &pf->hw; | |
7efa84b7 | 977 | int true_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
5c3c48ac JB |
978 | i40e_status aq_ret; |
979 | ||
980 | /* single place to detect unsuccessful return values */ | |
981 | if (v_retval) { | |
982 | vf->num_invalid_msgs++; | |
983 | dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n", | |
984 | v_opcode, v_retval); | |
985 | if (vf->num_invalid_msgs > | |
986 | I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) { | |
987 | dev_err(&pf->pdev->dev, | |
988 | "Number of invalid messages exceeded for VF %d\n", | |
989 | vf->vf_id); | |
990 | dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n"); | |
991 | set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
992 | } | |
993 | } else { | |
994 | vf->num_valid_msgs++; | |
995 | } | |
996 | ||
7efa84b7 MW |
997 | aq_ret = i40e_aq_send_msg_to_vf(hw, true_vf_id, v_opcode, v_retval, |
998 | msg, msglen, NULL); | |
5c3c48ac JB |
999 | if (aq_ret) { |
1000 | dev_err(&pf->pdev->dev, | |
1001 | "Unable to send the message to VF %d aq_err %d\n", | |
1002 | vf->vf_id, pf->hw.aq.asq_last_status); | |
1003 | return -EIO; | |
1004 | } | |
1005 | ||
1006 | return 0; | |
1007 | } | |
1008 | ||
1009 | /** | |
1010 | * i40e_vc_send_resp_to_vf | |
1011 | * @vf: pointer to the vf info | |
1012 | * @opcode: operation code | |
1013 | * @retval: return value | |
1014 | * | |
1015 | * send resp msg to vf | |
1016 | **/ | |
1017 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, | |
1018 | enum i40e_virtchnl_ops opcode, | |
1019 | i40e_status retval) | |
1020 | { | |
1021 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); | |
1022 | } | |
1023 | ||
1024 | /** | |
1025 | * i40e_vc_get_version_msg | |
1026 | * @vf: pointer to the vf info | |
1027 | * | |
1028 | * called from the vf to request the API version used by the PF | |
1029 | **/ | |
1030 | static int i40e_vc_get_version_msg(struct i40e_vf *vf) | |
1031 | { | |
1032 | struct i40e_virtchnl_version_info info = { | |
1033 | I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR | |
1034 | }; | |
1035 | ||
1036 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, | |
1037 | I40E_SUCCESS, (u8 *)&info, | |
1038 | sizeof(struct | |
1039 | i40e_virtchnl_version_info)); | |
1040 | } | |
1041 | ||
1042 | /** | |
1043 | * i40e_vc_get_vf_resources_msg | |
1044 | * @vf: pointer to the vf info | |
1045 | * @msg: pointer to the msg buffer | |
1046 | * @msglen: msg length | |
1047 | * | |
1048 | * called from the vf to request its resources | |
1049 | **/ | |
1050 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf) | |
1051 | { | |
1052 | struct i40e_virtchnl_vf_resource *vfres = NULL; | |
1053 | struct i40e_pf *pf = vf->pf; | |
1054 | i40e_status aq_ret = 0; | |
1055 | struct i40e_vsi *vsi; | |
1056 | int i = 0, len = 0; | |
1057 | int num_vsis = 1; | |
1058 | int ret; | |
1059 | ||
1060 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
1061 | aq_ret = I40E_ERR_PARAM; | |
1062 | goto err; | |
1063 | } | |
1064 | ||
1065 | len = (sizeof(struct i40e_virtchnl_vf_resource) + | |
1066 | sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis); | |
1067 | ||
1068 | vfres = kzalloc(len, GFP_KERNEL); | |
1069 | if (!vfres) { | |
1070 | aq_ret = I40E_ERR_NO_MEMORY; | |
1071 | len = 0; | |
1072 | goto err; | |
1073 | } | |
1074 | ||
1075 | vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2; | |
1076 | vsi = pf->vsi[vf->lan_vsi_index]; | |
1077 | if (!vsi->info.pvid) | |
1078 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN; | |
1079 | ||
1080 | vfres->num_vsis = num_vsis; | |
1081 | vfres->num_queue_pairs = vf->num_queue_pairs; | |
1082 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; | |
1083 | if (vf->lan_vsi_index) { | |
1084 | vfres->vsi_res[i].vsi_id = vf->lan_vsi_index; | |
1085 | vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV; | |
1086 | vfres->vsi_res[i].num_queue_pairs = | |
1087 | pf->vsi[vf->lan_vsi_index]->num_queue_pairs; | |
1088 | memcpy(vfres->vsi_res[i].default_mac_addr, | |
1089 | vf->default_lan_addr.addr, ETH_ALEN); | |
1090 | i++; | |
1091 | } | |
1092 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
1093 | ||
1094 | err: | |
1095 | /* send the response back to the vf */ | |
1096 | ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, | |
1097 | aq_ret, (u8 *)vfres, len); | |
1098 | ||
1099 | kfree(vfres); | |
1100 | return ret; | |
1101 | } | |
1102 | ||
1103 | /** | |
1104 | * i40e_vc_reset_vf_msg | |
1105 | * @vf: pointer to the vf info | |
1106 | * @msg: pointer to the msg buffer | |
1107 | * @msglen: msg length | |
1108 | * | |
1109 | * called from the vf to reset itself, | |
1110 | * unlike other virtchnl messages, pf driver | |
1111 | * doesn't send the response back to the vf | |
1112 | **/ | |
fc18eaa0 | 1113 | static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) |
5c3c48ac | 1114 | { |
fc18eaa0 MW |
1115 | if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
1116 | i40e_reset_vf(vf, false); | |
5c3c48ac JB |
1117 | } |
1118 | ||
1119 | /** | |
1120 | * i40e_vc_config_promiscuous_mode_msg | |
1121 | * @vf: pointer to the vf info | |
1122 | * @msg: pointer to the msg buffer | |
1123 | * @msglen: msg length | |
1124 | * | |
1125 | * called from the vf to configure the promiscuous mode of | |
1126 | * vf vsis | |
1127 | **/ | |
1128 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, | |
1129 | u8 *msg, u16 msglen) | |
1130 | { | |
1131 | struct i40e_virtchnl_promisc_info *info = | |
1132 | (struct i40e_virtchnl_promisc_info *)msg; | |
1133 | struct i40e_pf *pf = vf->pf; | |
1134 | struct i40e_hw *hw = &pf->hw; | |
1135 | bool allmulti = false; | |
1136 | bool promisc = false; | |
1137 | i40e_status aq_ret; | |
1138 | ||
1139 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1140 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1141 | !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) || | |
1142 | (pf->vsi[info->vsi_id]->type != I40E_VSI_FCOE)) { | |
1143 | aq_ret = I40E_ERR_PARAM; | |
1144 | goto error_param; | |
1145 | } | |
1146 | ||
1147 | if (info->flags & I40E_FLAG_VF_UNICAST_PROMISC) | |
1148 | promisc = true; | |
1149 | aq_ret = i40e_aq_set_vsi_unicast_promiscuous(hw, info->vsi_id, | |
1150 | promisc, NULL); | |
1151 | if (aq_ret) | |
1152 | goto error_param; | |
1153 | ||
1154 | if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC) | |
1155 | allmulti = true; | |
1156 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, info->vsi_id, | |
1157 | allmulti, NULL); | |
1158 | ||
1159 | error_param: | |
1160 | /* send the response to the vf */ | |
1161 | return i40e_vc_send_resp_to_vf(vf, | |
1162 | I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, | |
1163 | aq_ret); | |
1164 | } | |
1165 | ||
1166 | /** | |
1167 | * i40e_vc_config_queues_msg | |
1168 | * @vf: pointer to the vf info | |
1169 | * @msg: pointer to the msg buffer | |
1170 | * @msglen: msg length | |
1171 | * | |
1172 | * called from the vf to configure the rx/tx | |
1173 | * queues | |
1174 | **/ | |
1175 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1176 | { | |
1177 | struct i40e_virtchnl_vsi_queue_config_info *qci = | |
1178 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1179 | struct i40e_virtchnl_queue_pair_info *qpi; | |
1180 | u16 vsi_id, vsi_queue_id; | |
1181 | i40e_status aq_ret = 0; | |
1182 | int i; | |
1183 | ||
1184 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1185 | aq_ret = I40E_ERR_PARAM; | |
1186 | goto error_param; | |
1187 | } | |
1188 | ||
1189 | vsi_id = qci->vsi_id; | |
1190 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1191 | aq_ret = I40E_ERR_PARAM; | |
1192 | goto error_param; | |
1193 | } | |
1194 | for (i = 0; i < qci->num_queue_pairs; i++) { | |
1195 | qpi = &qci->qpair[i]; | |
1196 | vsi_queue_id = qpi->txq.queue_id; | |
1197 | if ((qpi->txq.vsi_id != vsi_id) || | |
1198 | (qpi->rxq.vsi_id != vsi_id) || | |
1199 | (qpi->rxq.queue_id != vsi_queue_id) || | |
1200 | !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { | |
1201 | aq_ret = I40E_ERR_PARAM; | |
1202 | goto error_param; | |
1203 | } | |
1204 | ||
1205 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, | |
1206 | &qpi->rxq) || | |
1207 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, | |
1208 | &qpi->txq)) { | |
1209 | aq_ret = I40E_ERR_PARAM; | |
1210 | goto error_param; | |
1211 | } | |
1212 | } | |
1213 | ||
1214 | error_param: | |
1215 | /* send the response to the vf */ | |
1216 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, | |
1217 | aq_ret); | |
1218 | } | |
1219 | ||
1220 | /** | |
1221 | * i40e_vc_config_irq_map_msg | |
1222 | * @vf: pointer to the vf info | |
1223 | * @msg: pointer to the msg buffer | |
1224 | * @msglen: msg length | |
1225 | * | |
1226 | * called from the vf to configure the irq to | |
1227 | * queue map | |
1228 | **/ | |
1229 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1230 | { | |
1231 | struct i40e_virtchnl_irq_map_info *irqmap_info = | |
1232 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1233 | struct i40e_virtchnl_vector_map *map; | |
1234 | u16 vsi_id, vsi_queue_id, vector_id; | |
1235 | i40e_status aq_ret = 0; | |
1236 | unsigned long tempmap; | |
1237 | int i; | |
1238 | ||
1239 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1240 | aq_ret = I40E_ERR_PARAM; | |
1241 | goto error_param; | |
1242 | } | |
1243 | ||
1244 | for (i = 0; i < irqmap_info->num_vectors; i++) { | |
1245 | map = &irqmap_info->vecmap[i]; | |
1246 | ||
1247 | vector_id = map->vector_id; | |
1248 | vsi_id = map->vsi_id; | |
1249 | /* validate msg params */ | |
1250 | if (!i40e_vc_isvalid_vector_id(vf, vector_id) || | |
1251 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1252 | aq_ret = I40E_ERR_PARAM; | |
1253 | goto error_param; | |
1254 | } | |
1255 | ||
1256 | /* lookout for the invalid queue index */ | |
1257 | tempmap = map->rxq_map; | |
4836650b | 1258 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1259 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1260 | vsi_queue_id)) { | |
1261 | aq_ret = I40E_ERR_PARAM; | |
1262 | goto error_param; | |
1263 | } | |
5c3c48ac JB |
1264 | } |
1265 | ||
1266 | tempmap = map->txq_map; | |
4836650b | 1267 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1268 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1269 | vsi_queue_id)) { | |
1270 | aq_ret = I40E_ERR_PARAM; | |
1271 | goto error_param; | |
1272 | } | |
5c3c48ac JB |
1273 | } |
1274 | ||
1275 | i40e_config_irq_link_list(vf, vsi_id, map); | |
1276 | } | |
1277 | error_param: | |
1278 | /* send the response to the vf */ | |
1279 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, | |
1280 | aq_ret); | |
1281 | } | |
1282 | ||
1283 | /** | |
1284 | * i40e_vc_enable_queues_msg | |
1285 | * @vf: pointer to the vf info | |
1286 | * @msg: pointer to the msg buffer | |
1287 | * @msglen: msg length | |
1288 | * | |
1289 | * called from the vf to enable all or specific queue(s) | |
1290 | **/ | |
1291 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1292 | { | |
1293 | struct i40e_virtchnl_queue_select *vqs = | |
1294 | (struct i40e_virtchnl_queue_select *)msg; | |
1295 | struct i40e_pf *pf = vf->pf; | |
1296 | u16 vsi_id = vqs->vsi_id; | |
1297 | i40e_status aq_ret = 0; | |
5c3c48ac JB |
1298 | |
1299 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1300 | aq_ret = I40E_ERR_PARAM; | |
1301 | goto error_param; | |
1302 | } | |
1303 | ||
1304 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1305 | aq_ret = I40E_ERR_PARAM; | |
1306 | goto error_param; | |
1307 | } | |
1308 | ||
1309 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1310 | aq_ret = I40E_ERR_PARAM; | |
1311 | goto error_param; | |
1312 | } | |
88f6563d MW |
1313 | if (i40e_vsi_control_rings(pf->vsi[vsi_id], true)) |
1314 | aq_ret = I40E_ERR_TIMEOUT; | |
5c3c48ac JB |
1315 | error_param: |
1316 | /* send the response to the vf */ | |
1317 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, | |
1318 | aq_ret); | |
1319 | } | |
1320 | ||
1321 | /** | |
1322 | * i40e_vc_disable_queues_msg | |
1323 | * @vf: pointer to the vf info | |
1324 | * @msg: pointer to the msg buffer | |
1325 | * @msglen: msg length | |
1326 | * | |
1327 | * called from the vf to disable all or specific | |
1328 | * queue(s) | |
1329 | **/ | |
1330 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1331 | { | |
1332 | struct i40e_virtchnl_queue_select *vqs = | |
1333 | (struct i40e_virtchnl_queue_select *)msg; | |
1334 | struct i40e_pf *pf = vf->pf; | |
1335 | u16 vsi_id = vqs->vsi_id; | |
1336 | i40e_status aq_ret = 0; | |
5c3c48ac JB |
1337 | |
1338 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1339 | aq_ret = I40E_ERR_PARAM; | |
1340 | goto error_param; | |
1341 | } | |
1342 | ||
1343 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1344 | aq_ret = I40E_ERR_PARAM; | |
1345 | goto error_param; | |
1346 | } | |
1347 | ||
1348 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1349 | aq_ret = I40E_ERR_PARAM; | |
1350 | goto error_param; | |
1351 | } | |
88f6563d MW |
1352 | if (i40e_vsi_control_rings(pf->vsi[vsi_id], false)) |
1353 | aq_ret = I40E_ERR_TIMEOUT; | |
5c3c48ac JB |
1354 | |
1355 | error_param: | |
1356 | /* send the response to the vf */ | |
1357 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, | |
1358 | aq_ret); | |
1359 | } | |
1360 | ||
1361 | /** | |
1362 | * i40e_vc_get_stats_msg | |
1363 | * @vf: pointer to the vf info | |
1364 | * @msg: pointer to the msg buffer | |
1365 | * @msglen: msg length | |
1366 | * | |
1367 | * called from the vf to get vsi stats | |
1368 | **/ | |
1369 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1370 | { | |
1371 | struct i40e_virtchnl_queue_select *vqs = | |
1372 | (struct i40e_virtchnl_queue_select *)msg; | |
1373 | struct i40e_pf *pf = vf->pf; | |
1374 | struct i40e_eth_stats stats; | |
1375 | i40e_status aq_ret = 0; | |
1376 | struct i40e_vsi *vsi; | |
1377 | ||
1378 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); | |
1379 | ||
1380 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1381 | aq_ret = I40E_ERR_PARAM; | |
1382 | goto error_param; | |
1383 | } | |
1384 | ||
1385 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1386 | aq_ret = I40E_ERR_PARAM; | |
1387 | goto error_param; | |
1388 | } | |
1389 | ||
1390 | vsi = pf->vsi[vqs->vsi_id]; | |
1391 | if (!vsi) { | |
1392 | aq_ret = I40E_ERR_PARAM; | |
1393 | goto error_param; | |
1394 | } | |
1395 | i40e_update_eth_stats(vsi); | |
5a9769c8 | 1396 | stats = vsi->eth_stats; |
5c3c48ac JB |
1397 | |
1398 | error_param: | |
1399 | /* send the response back to the vf */ | |
1400 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret, | |
1401 | (u8 *)&stats, sizeof(stats)); | |
1402 | } | |
1403 | ||
f657a6e1 GR |
1404 | /** |
1405 | * i40e_check_vf_permission | |
1406 | * @vf: pointer to the vf info | |
1407 | * @macaddr: pointer to the MAC Address being checked | |
1408 | * | |
1409 | * Check if the VF has permission to add or delete unicast MAC address | |
1410 | * filters and return error code -EPERM if not. Then check if the | |
1411 | * address filter requested is broadcast or zero and if so return | |
1412 | * an invalid MAC address error code. | |
1413 | **/ | |
1414 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) | |
1415 | { | |
1416 | struct i40e_pf *pf = vf->pf; | |
1417 | int ret = 0; | |
1418 | ||
1419 | if (is_broadcast_ether_addr(macaddr) || | |
1420 | is_zero_ether_addr(macaddr)) { | |
1421 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); | |
1422 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
5017c2a8 GR |
1423 | } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && |
1424 | !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { | |
f657a6e1 GR |
1425 | /* If the host VMM administrator has set the VF MAC address |
1426 | * administratively via the ndo_set_vf_mac command then deny | |
1427 | * permission to the VF to add or delete unicast MAC addresses. | |
5017c2a8 GR |
1428 | * The VF may request to set the MAC address filter already |
1429 | * assigned to it so do not return an error in that case. | |
f657a6e1 GR |
1430 | */ |
1431 | dev_err(&pf->pdev->dev, | |
1432 | "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); | |
1433 | ret = -EPERM; | |
1434 | } | |
1435 | return ret; | |
1436 | } | |
1437 | ||
5c3c48ac JB |
1438 | /** |
1439 | * i40e_vc_add_mac_addr_msg | |
1440 | * @vf: pointer to the vf info | |
1441 | * @msg: pointer to the msg buffer | |
1442 | * @msglen: msg length | |
1443 | * | |
1444 | * add guest mac address filter | |
1445 | **/ | |
1446 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1447 | { | |
1448 | struct i40e_virtchnl_ether_addr_list *al = | |
1449 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1450 | struct i40e_pf *pf = vf->pf; | |
1451 | struct i40e_vsi *vsi = NULL; | |
1452 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1453 | i40e_status ret = 0; |
5c3c48ac JB |
1454 | int i; |
1455 | ||
1456 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1457 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1458 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1459 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1460 | goto error_param; |
1461 | } | |
1462 | ||
1463 | for (i = 0; i < al->num_elements; i++) { | |
f657a6e1 GR |
1464 | ret = i40e_check_vf_permission(vf, al->list[i].addr); |
1465 | if (ret) | |
5c3c48ac | 1466 | goto error_param; |
5c3c48ac JB |
1467 | } |
1468 | vsi = pf->vsi[vsi_id]; | |
1469 | ||
1470 | /* add new addresses to the list */ | |
1471 | for (i = 0; i < al->num_elements; i++) { | |
1472 | struct i40e_mac_filter *f; | |
1473 | ||
1474 | f = i40e_find_mac(vsi, al->list[i].addr, true, false); | |
7e68edf9 | 1475 | if (!f) { |
5c3c48ac JB |
1476 | if (i40e_is_vsi_in_vlan(vsi)) |
1477 | f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, | |
1478 | true, false); | |
1479 | else | |
1480 | f = i40e_add_filter(vsi, al->list[i].addr, -1, | |
1481 | true, false); | |
1482 | } | |
1483 | ||
1484 | if (!f) { | |
1485 | dev_err(&pf->pdev->dev, | |
1486 | "Unable to add VF MAC filter\n"); | |
f657a6e1 | 1487 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1488 | goto error_param; |
1489 | } | |
1490 | } | |
1491 | ||
1492 | /* program the updated filter list */ | |
1493 | if (i40e_sync_vsi_filters(vsi)) | |
1494 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); | |
1495 | ||
1496 | error_param: | |
1497 | /* send the response to the vf */ | |
1498 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, | |
f657a6e1 | 1499 | ret); |
5c3c48ac JB |
1500 | } |
1501 | ||
1502 | /** | |
1503 | * i40e_vc_del_mac_addr_msg | |
1504 | * @vf: pointer to the vf info | |
1505 | * @msg: pointer to the msg buffer | |
1506 | * @msglen: msg length | |
1507 | * | |
1508 | * remove guest mac address filter | |
1509 | **/ | |
1510 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1511 | { | |
1512 | struct i40e_virtchnl_ether_addr_list *al = | |
1513 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1514 | struct i40e_pf *pf = vf->pf; | |
1515 | struct i40e_vsi *vsi = NULL; | |
1516 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1517 | i40e_status ret = 0; |
5c3c48ac JB |
1518 | int i; |
1519 | ||
1520 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1521 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1522 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1523 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1524 | goto error_param; |
1525 | } | |
f657a6e1 GR |
1526 | |
1527 | for (i = 0; i < al->num_elements; i++) { | |
700bbf6c MW |
1528 | if (is_broadcast_ether_addr(al->list[i].addr) || |
1529 | is_zero_ether_addr(al->list[i].addr)) { | |
1530 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", | |
1531 | al->list[i].addr); | |
1532 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
f657a6e1 | 1533 | goto error_param; |
700bbf6c | 1534 | } |
f657a6e1 | 1535 | } |
5c3c48ac JB |
1536 | vsi = pf->vsi[vsi_id]; |
1537 | ||
1538 | /* delete addresses from the list */ | |
1539 | for (i = 0; i < al->num_elements; i++) | |
1540 | i40e_del_filter(vsi, al->list[i].addr, | |
1541 | I40E_VLAN_ANY, true, false); | |
1542 | ||
1543 | /* program the updated filter list */ | |
1544 | if (i40e_sync_vsi_filters(vsi)) | |
1545 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); | |
1546 | ||
1547 | error_param: | |
1548 | /* send the response to the vf */ | |
1549 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, | |
f657a6e1 | 1550 | ret); |
5c3c48ac JB |
1551 | } |
1552 | ||
1553 | /** | |
1554 | * i40e_vc_add_vlan_msg | |
1555 | * @vf: pointer to the vf info | |
1556 | * @msg: pointer to the msg buffer | |
1557 | * @msglen: msg length | |
1558 | * | |
1559 | * program guest vlan id | |
1560 | **/ | |
1561 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1562 | { | |
1563 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1564 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1565 | struct i40e_pf *pf = vf->pf; | |
1566 | struct i40e_vsi *vsi = NULL; | |
1567 | u16 vsi_id = vfl->vsi_id; | |
1568 | i40e_status aq_ret = 0; | |
1569 | int i; | |
1570 | ||
1571 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1572 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1573 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1574 | aq_ret = I40E_ERR_PARAM; | |
1575 | goto error_param; | |
1576 | } | |
1577 | ||
1578 | for (i = 0; i < vfl->num_elements; i++) { | |
1579 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1580 | aq_ret = I40E_ERR_PARAM; | |
1581 | dev_err(&pf->pdev->dev, | |
1582 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); | |
1583 | goto error_param; | |
1584 | } | |
1585 | } | |
1586 | vsi = pf->vsi[vsi_id]; | |
1587 | if (vsi->info.pvid) { | |
1588 | aq_ret = I40E_ERR_PARAM; | |
1589 | goto error_param; | |
1590 | } | |
1591 | ||
1592 | i40e_vlan_stripping_enable(vsi); | |
1593 | for (i = 0; i < vfl->num_elements; i++) { | |
1594 | /* add new VLAN filter */ | |
1595 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); | |
1596 | if (ret) | |
1597 | dev_err(&pf->pdev->dev, | |
1598 | "Unable to add VF vlan filter %d, error %d\n", | |
1599 | vfl->vlan_id[i], ret); | |
1600 | } | |
1601 | ||
1602 | error_param: | |
1603 | /* send the response to the vf */ | |
1604 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret); | |
1605 | } | |
1606 | ||
1607 | /** | |
1608 | * i40e_vc_remove_vlan_msg | |
1609 | * @vf: pointer to the vf info | |
1610 | * @msg: pointer to the msg buffer | |
1611 | * @msglen: msg length | |
1612 | * | |
1613 | * remove programmed guest vlan id | |
1614 | **/ | |
1615 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1616 | { | |
1617 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1618 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1619 | struct i40e_pf *pf = vf->pf; | |
1620 | struct i40e_vsi *vsi = NULL; | |
1621 | u16 vsi_id = vfl->vsi_id; | |
1622 | i40e_status aq_ret = 0; | |
1623 | int i; | |
1624 | ||
1625 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1626 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1627 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1628 | aq_ret = I40E_ERR_PARAM; | |
1629 | goto error_param; | |
1630 | } | |
1631 | ||
1632 | for (i = 0; i < vfl->num_elements; i++) { | |
1633 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1634 | aq_ret = I40E_ERR_PARAM; | |
1635 | goto error_param; | |
1636 | } | |
1637 | } | |
1638 | ||
1639 | vsi = pf->vsi[vsi_id]; | |
1640 | if (vsi->info.pvid) { | |
1641 | aq_ret = I40E_ERR_PARAM; | |
1642 | goto error_param; | |
1643 | } | |
1644 | ||
1645 | for (i = 0; i < vfl->num_elements; i++) { | |
1646 | int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); | |
1647 | if (ret) | |
1648 | dev_err(&pf->pdev->dev, | |
1649 | "Unable to delete VF vlan filter %d, error %d\n", | |
1650 | vfl->vlan_id[i], ret); | |
1651 | } | |
1652 | ||
1653 | error_param: | |
1654 | /* send the response to the vf */ | |
1655 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret); | |
1656 | } | |
1657 | ||
5c3c48ac JB |
1658 | /** |
1659 | * i40e_vc_validate_vf_msg | |
1660 | * @vf: pointer to the vf info | |
1661 | * @msg: pointer to the msg buffer | |
1662 | * @msglen: msg length | |
1663 | * @msghndl: msg handle | |
1664 | * | |
1665 | * validate msg | |
1666 | **/ | |
1667 | static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, | |
1668 | u32 v_retval, u8 *msg, u16 msglen) | |
1669 | { | |
1670 | bool err_msg_format = false; | |
1671 | int valid_len; | |
1672 | ||
1673 | /* Check if VF is disabled. */ | |
1674 | if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states)) | |
1675 | return I40E_ERR_PARAM; | |
1676 | ||
1677 | /* Validate message length. */ | |
1678 | switch (v_opcode) { | |
1679 | case I40E_VIRTCHNL_OP_VERSION: | |
1680 | valid_len = sizeof(struct i40e_virtchnl_version_info); | |
1681 | break; | |
1682 | case I40E_VIRTCHNL_OP_RESET_VF: | |
1683 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: | |
1684 | valid_len = 0; | |
1685 | break; | |
1686 | case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE: | |
1687 | valid_len = sizeof(struct i40e_virtchnl_txq_info); | |
1688 | break; | |
1689 | case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE: | |
1690 | valid_len = sizeof(struct i40e_virtchnl_rxq_info); | |
1691 | break; | |
1692 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1693 | valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info); | |
1694 | if (msglen >= valid_len) { | |
1695 | struct i40e_virtchnl_vsi_queue_config_info *vqc = | |
1696 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1697 | valid_len += (vqc->num_queue_pairs * | |
1698 | sizeof(struct | |
1699 | i40e_virtchnl_queue_pair_info)); | |
1700 | if (vqc->num_queue_pairs == 0) | |
1701 | err_msg_format = true; | |
1702 | } | |
1703 | break; | |
1704 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1705 | valid_len = sizeof(struct i40e_virtchnl_irq_map_info); | |
1706 | if (msglen >= valid_len) { | |
1707 | struct i40e_virtchnl_irq_map_info *vimi = | |
1708 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1709 | valid_len += (vimi->num_vectors * | |
1710 | sizeof(struct i40e_virtchnl_vector_map)); | |
1711 | if (vimi->num_vectors == 0) | |
1712 | err_msg_format = true; | |
1713 | } | |
1714 | break; | |
1715 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1716 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1717 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1718 | break; | |
1719 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1720 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1721 | valid_len = sizeof(struct i40e_virtchnl_ether_addr_list); | |
1722 | if (msglen >= valid_len) { | |
1723 | struct i40e_virtchnl_ether_addr_list *veal = | |
1724 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1725 | valid_len += veal->num_elements * | |
1726 | sizeof(struct i40e_virtchnl_ether_addr); | |
1727 | if (veal->num_elements == 0) | |
1728 | err_msg_format = true; | |
1729 | } | |
1730 | break; | |
1731 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1732 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1733 | valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list); | |
1734 | if (msglen >= valid_len) { | |
1735 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1736 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1737 | valid_len += vfl->num_elements * sizeof(u16); | |
1738 | if (vfl->num_elements == 0) | |
1739 | err_msg_format = true; | |
1740 | } | |
1741 | break; | |
1742 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1743 | valid_len = sizeof(struct i40e_virtchnl_promisc_info); | |
1744 | break; | |
1745 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1746 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1747 | break; | |
1748 | /* These are always errors coming from the VF. */ | |
1749 | case I40E_VIRTCHNL_OP_EVENT: | |
1750 | case I40E_VIRTCHNL_OP_UNKNOWN: | |
1751 | default: | |
1752 | return -EPERM; | |
1753 | break; | |
1754 | } | |
1755 | /* few more checks */ | |
1756 | if ((valid_len != msglen) || (err_msg_format)) { | |
1757 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); | |
1758 | return -EINVAL; | |
1759 | } else { | |
1760 | return 0; | |
1761 | } | |
1762 | } | |
1763 | ||
1764 | /** | |
1765 | * i40e_vc_process_vf_msg | |
1766 | * @pf: pointer to the pf structure | |
1767 | * @vf_id: source vf id | |
1768 | * @msg: pointer to the msg buffer | |
1769 | * @msglen: msg length | |
1770 | * @msghndl: msg handle | |
1771 | * | |
1772 | * called from the common aeq/arq handler to | |
1773 | * process request from vf | |
1774 | **/ | |
1775 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, | |
1776 | u32 v_retval, u8 *msg, u16 msglen) | |
1777 | { | |
5c3c48ac | 1778 | struct i40e_hw *hw = &pf->hw; |
7efa84b7 | 1779 | int local_vf_id = vf_id - hw->func_caps.vf_base_id; |
6c1b5bff | 1780 | struct i40e_vf *vf; |
5c3c48ac JB |
1781 | int ret; |
1782 | ||
1783 | pf->vf_aq_requests++; | |
7efa84b7 | 1784 | if (local_vf_id >= pf->num_alloc_vfs) |
6c1b5bff | 1785 | return -EINVAL; |
7efa84b7 | 1786 | vf = &(pf->vf[local_vf_id]); |
5c3c48ac JB |
1787 | /* perform basic checks on the msg */ |
1788 | ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); | |
1789 | ||
1790 | if (ret) { | |
499ec80f | 1791 | dev_err(&pf->pdev->dev, "Invalid message from vf %d, opcode %d, len %d\n", |
7efa84b7 | 1792 | local_vf_id, v_opcode, msglen); |
5c3c48ac JB |
1793 | return ret; |
1794 | } | |
bae3cae4 | 1795 | |
5c3c48ac JB |
1796 | switch (v_opcode) { |
1797 | case I40E_VIRTCHNL_OP_VERSION: | |
1798 | ret = i40e_vc_get_version_msg(vf); | |
1799 | break; | |
1800 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: | |
1801 | ret = i40e_vc_get_vf_resources_msg(vf); | |
1802 | break; | |
1803 | case I40E_VIRTCHNL_OP_RESET_VF: | |
fc18eaa0 MW |
1804 | i40e_vc_reset_vf_msg(vf); |
1805 | ret = 0; | |
5c3c48ac JB |
1806 | break; |
1807 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1808 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); | |
1809 | break; | |
1810 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1811 | ret = i40e_vc_config_queues_msg(vf, msg, msglen); | |
1812 | break; | |
1813 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1814 | ret = i40e_vc_config_irq_map_msg(vf, msg, msglen); | |
1815 | break; | |
1816 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1817 | ret = i40e_vc_enable_queues_msg(vf, msg, msglen); | |
1818 | break; | |
1819 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1820 | ret = i40e_vc_disable_queues_msg(vf, msg, msglen); | |
1821 | break; | |
1822 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1823 | ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen); | |
1824 | break; | |
1825 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1826 | ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen); | |
1827 | break; | |
1828 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1829 | ret = i40e_vc_add_vlan_msg(vf, msg, msglen); | |
1830 | break; | |
1831 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1832 | ret = i40e_vc_remove_vlan_msg(vf, msg, msglen); | |
1833 | break; | |
1834 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1835 | ret = i40e_vc_get_stats_msg(vf, msg, msglen); | |
1836 | break; | |
5c3c48ac JB |
1837 | case I40E_VIRTCHNL_OP_UNKNOWN: |
1838 | default: | |
7efa84b7 MW |
1839 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from vf %d\n", |
1840 | v_opcode, local_vf_id); | |
5c3c48ac JB |
1841 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
1842 | I40E_ERR_NOT_IMPLEMENTED); | |
1843 | break; | |
1844 | } | |
1845 | ||
1846 | return ret; | |
1847 | } | |
1848 | ||
1849 | /** | |
1850 | * i40e_vc_process_vflr_event | |
1851 | * @pf: pointer to the pf structure | |
1852 | * | |
1853 | * called from the vlfr irq handler to | |
1854 | * free up vf resources and state variables | |
1855 | **/ | |
1856 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) | |
1857 | { | |
1858 | u32 reg, reg_idx, bit_idx, vf_id; | |
1859 | struct i40e_hw *hw = &pf->hw; | |
1860 | struct i40e_vf *vf; | |
1861 | ||
1862 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state)) | |
1863 | return 0; | |
1864 | ||
1865 | clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state); | |
1866 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { | |
1867 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
1868 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
1869 | /* read GLGEN_VFLRSTAT register to find out the flr vfs */ | |
1870 | vf = &pf->vf[vf_id]; | |
1871 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); | |
1872 | if (reg & (1 << bit_idx)) { | |
1873 | /* clear the bit in GLGEN_VFLRSTAT */ | |
1874 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); | |
1875 | ||
fc18eaa0 | 1876 | i40e_reset_vf(vf, true); |
5c3c48ac JB |
1877 | } |
1878 | } | |
1879 | ||
1880 | /* re-enable vflr interrupt cause */ | |
1881 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); | |
1882 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; | |
1883 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); | |
1884 | i40e_flush(hw); | |
1885 | ||
1886 | return 0; | |
1887 | } | |
1888 | ||
1889 | /** | |
1890 | * i40e_vc_vf_broadcast | |
1891 | * @pf: pointer to the pf structure | |
1892 | * @opcode: operation code | |
1893 | * @retval: return value | |
1894 | * @msg: pointer to the msg buffer | |
1895 | * @msglen: msg length | |
1896 | * | |
1897 | * send a message to all VFs on a given PF | |
1898 | **/ | |
1899 | static void i40e_vc_vf_broadcast(struct i40e_pf *pf, | |
1900 | enum i40e_virtchnl_ops v_opcode, | |
1901 | i40e_status v_retval, u8 *msg, | |
1902 | u16 msglen) | |
1903 | { | |
1904 | struct i40e_hw *hw = &pf->hw; | |
1905 | struct i40e_vf *vf = pf->vf; | |
1906 | int i; | |
1907 | ||
1908 | for (i = 0; i < pf->num_alloc_vfs; i++) { | |
1909 | /* Ignore return value on purpose - a given VF may fail, but | |
1910 | * we need to keep going and send to all of them | |
1911 | */ | |
1912 | i40e_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, | |
1913 | msg, msglen, NULL); | |
1914 | vf++; | |
1915 | } | |
1916 | } | |
1917 | ||
1918 | /** | |
1919 | * i40e_vc_notify_link_state | |
1920 | * @pf: pointer to the pf structure | |
1921 | * | |
1922 | * send a link status message to all VFs on a given PF | |
1923 | **/ | |
1924 | void i40e_vc_notify_link_state(struct i40e_pf *pf) | |
1925 | { | |
1926 | struct i40e_virtchnl_pf_event pfe; | |
1927 | ||
1928 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; | |
1929 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; | |
1930 | pfe.event_data.link_event.link_status = | |
1931 | pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; | |
1932 | pfe.event_data.link_event.link_speed = pf->hw.phy.link_info.link_speed; | |
1933 | ||
1934 | i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, | |
1935 | (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); | |
1936 | } | |
1937 | ||
1938 | /** | |
1939 | * i40e_vc_notify_reset | |
1940 | * @pf: pointer to the pf structure | |
1941 | * | |
1942 | * indicate a pending reset to all VFs on a given PF | |
1943 | **/ | |
1944 | void i40e_vc_notify_reset(struct i40e_pf *pf) | |
1945 | { | |
1946 | struct i40e_virtchnl_pf_event pfe; | |
1947 | ||
1948 | pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; | |
1949 | pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; | |
1950 | i40e_vc_vf_broadcast(pf, I40E_VIRTCHNL_OP_EVENT, I40E_SUCCESS, | |
1951 | (u8 *)&pfe, sizeof(struct i40e_virtchnl_pf_event)); | |
1952 | } | |
1953 | ||
1954 | /** | |
1955 | * i40e_vc_notify_vf_reset | |
1956 | * @vf: pointer to the vf structure | |
1957 | * | |
1958 | * indicate a pending reset to the given VF | |
1959 | **/ | |
1960 | void i40e_vc_notify_vf_reset(struct i40e_vf *vf) | |
1961 | { | |
1962 | struct i40e_virtchnl_pf_event pfe; | |
1963 | ||
1964 | pfe.event = I40E_VIRTCHNL_EVENT_RESET_IMPENDING; | |
1965 | pfe.severity = I40E_PF_EVENT_SEVERITY_CERTAIN_DOOM; | |
1966 | i40e_aq_send_msg_to_vf(&vf->pf->hw, vf->vf_id, I40E_VIRTCHNL_OP_EVENT, | |
1967 | I40E_SUCCESS, (u8 *)&pfe, | |
1968 | sizeof(struct i40e_virtchnl_pf_event), NULL); | |
1969 | } | |
1970 | ||
1971 | /** | |
1972 | * i40e_ndo_set_vf_mac | |
1973 | * @netdev: network interface device structure | |
1974 | * @vf_id: vf identifier | |
1975 | * @mac: mac address | |
1976 | * | |
1977 | * program vf mac address | |
1978 | **/ | |
1979 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) | |
1980 | { | |
1981 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
1982 | struct i40e_vsi *vsi = np->vsi; | |
1983 | struct i40e_pf *pf = vsi->back; | |
1984 | struct i40e_mac_filter *f; | |
1985 | struct i40e_vf *vf; | |
1986 | int ret = 0; | |
1987 | ||
1988 | /* validate the request */ | |
1989 | if (vf_id >= pf->num_alloc_vfs) { | |
1990 | dev_err(&pf->pdev->dev, | |
1991 | "Invalid VF Identifier %d\n", vf_id); | |
1992 | ret = -EINVAL; | |
1993 | goto error_param; | |
1994 | } | |
1995 | ||
1996 | vf = &(pf->vf[vf_id]); | |
1997 | vsi = pf->vsi[vf->lan_vsi_index]; | |
1998 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
1999 | dev_err(&pf->pdev->dev, | |
2000 | "Uninitialized VF %d\n", vf_id); | |
2001 | ret = -EINVAL; | |
2002 | goto error_param; | |
2003 | } | |
2004 | ||
2005 | if (!is_valid_ether_addr(mac)) { | |
2006 | dev_err(&pf->pdev->dev, | |
2007 | "Invalid VF ethernet address\n"); | |
2008 | ret = -EINVAL; | |
2009 | goto error_param; | |
2010 | } | |
2011 | ||
2012 | /* delete the temporary mac address */ | |
2013 | i40e_del_filter(vsi, vf->default_lan_addr.addr, 0, true, false); | |
2014 | ||
2015 | /* add the new mac address */ | |
2016 | f = i40e_add_filter(vsi, mac, 0, true, false); | |
2017 | if (!f) { | |
2018 | dev_err(&pf->pdev->dev, | |
2019 | "Unable to add VF ucast filter\n"); | |
2020 | ret = -ENOMEM; | |
2021 | goto error_param; | |
2022 | } | |
2023 | ||
2024 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); | |
2025 | /* program mac filter */ | |
2026 | if (i40e_sync_vsi_filters(vsi)) { | |
2027 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); | |
2028 | ret = -EIO; | |
2029 | goto error_param; | |
2030 | } | |
2031 | memcpy(vf->default_lan_addr.addr, mac, ETH_ALEN); | |
f657a6e1 | 2032 | vf->pf_set_mac = true; |
5c3c48ac JB |
2033 | dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); |
2034 | ret = 0; | |
2035 | ||
2036 | error_param: | |
2037 | return ret; | |
2038 | } | |
2039 | ||
2040 | /** | |
2041 | * i40e_ndo_set_vf_port_vlan | |
2042 | * @netdev: network interface device structure | |
2043 | * @vf_id: vf identifier | |
2044 | * @vlan_id: mac address | |
2045 | * @qos: priority setting | |
2046 | * | |
2047 | * program vf vlan id and/or qos | |
2048 | **/ | |
2049 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, | |
2050 | int vf_id, u16 vlan_id, u8 qos) | |
2051 | { | |
2052 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2053 | struct i40e_pf *pf = np->vsi->back; | |
2054 | struct i40e_vsi *vsi; | |
2055 | struct i40e_vf *vf; | |
2056 | int ret = 0; | |
2057 | ||
2058 | /* validate the request */ | |
2059 | if (vf_id >= pf->num_alloc_vfs) { | |
2060 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2061 | ret = -EINVAL; | |
2062 | goto error_pvid; | |
2063 | } | |
2064 | ||
2065 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { | |
2066 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); | |
2067 | ret = -EINVAL; | |
2068 | goto error_pvid; | |
2069 | } | |
2070 | ||
2071 | vf = &(pf->vf[vf_id]); | |
2072 | vsi = pf->vsi[vf->lan_vsi_index]; | |
2073 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
2074 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2075 | ret = -EINVAL; | |
2076 | goto error_pvid; | |
2077 | } | |
2078 | ||
99a4973c GR |
2079 | if (vsi->info.pvid == 0 && i40e_is_vsi_in_vlan(vsi)) |
2080 | dev_err(&pf->pdev->dev, | |
2081 | "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", | |
2082 | vf_id); | |
2083 | ||
8d82a7c5 GR |
2084 | /* Check for condition where there was already a port VLAN ID |
2085 | * filter set and now it is being deleted by setting it to zero. | |
2086 | * Before deleting all the old VLAN filters we must add new ones | |
2087 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our | |
2088 | * MAC addresses deleted. | |
2089 | */ | |
2090 | if (!(vlan_id || qos) && vsi->info.pvid) | |
2091 | ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); | |
2092 | ||
5c3c48ac JB |
2093 | if (vsi->info.pvid) { |
2094 | /* kill old VLAN */ | |
2095 | ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & | |
2096 | VLAN_VID_MASK)); | |
2097 | if (ret) { | |
2098 | dev_info(&vsi->back->pdev->dev, | |
2099 | "remove VLAN failed, ret=%d, aq_err=%d\n", | |
2100 | ret, pf->hw.aq.asq_last_status); | |
2101 | } | |
2102 | } | |
2103 | if (vlan_id || qos) | |
2104 | ret = i40e_vsi_add_pvid(vsi, | |
2105 | vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT)); | |
2106 | else | |
6c12fcbf | 2107 | i40e_vsi_remove_pvid(vsi); |
5c3c48ac JB |
2108 | |
2109 | if (vlan_id) { | |
2110 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", | |
2111 | vlan_id, qos, vf_id); | |
2112 | ||
2113 | /* add new VLAN filter */ | |
2114 | ret = i40e_vsi_add_vlan(vsi, vlan_id); | |
2115 | if (ret) { | |
2116 | dev_info(&vsi->back->pdev->dev, | |
2117 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, | |
2118 | vsi->back->hw.aq.asq_last_status); | |
2119 | goto error_pvid; | |
2120 | } | |
8d82a7c5 GR |
2121 | /* Kill non-vlan MAC filters - ignore error return since |
2122 | * there might not be any non-vlan MAC filters. | |
2123 | */ | |
2124 | i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); | |
5c3c48ac JB |
2125 | } |
2126 | ||
2127 | if (ret) { | |
2128 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); | |
2129 | goto error_pvid; | |
2130 | } | |
6c12fcbf GR |
2131 | /* The Port VLAN needs to be saved across resets the same as the |
2132 | * default LAN MAC address. | |
2133 | */ | |
2134 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); | |
5c3c48ac JB |
2135 | ret = 0; |
2136 | ||
2137 | error_pvid: | |
2138 | return ret; | |
2139 | } | |
2140 | ||
2141 | /** | |
2142 | * i40e_ndo_set_vf_bw | |
2143 | * @netdev: network interface device structure | |
2144 | * @vf_id: vf identifier | |
2145 | * @tx_rate: tx rate | |
2146 | * | |
2147 | * configure vf tx rate | |
2148 | **/ | |
2149 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int tx_rate) | |
2150 | { | |
2151 | return -EOPNOTSUPP; | |
2152 | } | |
2153 | ||
2154 | /** | |
2155 | * i40e_ndo_get_vf_config | |
2156 | * @netdev: network interface device structure | |
2157 | * @vf_id: vf identifier | |
2158 | * @ivi: vf configuration structure | |
2159 | * | |
2160 | * return vf configuration | |
2161 | **/ | |
2162 | int i40e_ndo_get_vf_config(struct net_device *netdev, | |
2163 | int vf_id, struct ifla_vf_info *ivi) | |
2164 | { | |
2165 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
5c3c48ac JB |
2166 | struct i40e_vsi *vsi = np->vsi; |
2167 | struct i40e_pf *pf = vsi->back; | |
2168 | struct i40e_vf *vf; | |
2169 | int ret = 0; | |
2170 | ||
2171 | /* validate the request */ | |
2172 | if (vf_id >= pf->num_alloc_vfs) { | |
2173 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2174 | ret = -EINVAL; | |
2175 | goto error_param; | |
2176 | } | |
2177 | ||
2178 | vf = &(pf->vf[vf_id]); | |
2179 | /* first vsi is always the LAN vsi */ | |
2180 | vsi = pf->vsi[vf->lan_vsi_index]; | |
2181 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
2182 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2183 | ret = -EINVAL; | |
2184 | goto error_param; | |
2185 | } | |
2186 | ||
2187 | ivi->vf = vf_id; | |
2188 | ||
f4a1c5cf | 2189 | memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN); |
5c3c48ac JB |
2190 | |
2191 | ivi->tx_rate = 0; | |
2192 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; | |
2193 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> | |
2194 | I40E_VLAN_PRIORITY_SHIFT; | |
2195 | ret = 0; | |
2196 | ||
2197 | error_param: | |
2198 | return ret; | |
2199 | } |