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5c3c48ac JB |
1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Driver | |
40d72a50 | 4 | * Copyright(c) 2013 - 2016 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 | ||
532b0455 MW |
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 | } | |
5c3c48ac JB |
152 | /***********************misc routines*****************************/ |
153 | ||
f9b4b627 GR |
154 | /** |
155 | * i40e_vc_disable_vf | |
b40c82e6 JK |
156 | * @pf: pointer to the PF info |
157 | * @vf: pointer to the VF info | |
f9b4b627 GR |
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 | { | |
54f455ee MW |
163 | i40e_vc_notify_vf_reset(vf); |
164 | i40e_reset_vf(vf, false); | |
f9b4b627 GR |
165 | } |
166 | ||
5c3c48ac JB |
167 | /** |
168 | * i40e_vc_isvalid_vsi_id | |
b40c82e6 JK |
169 | * @vf: pointer to the VF info |
170 | * @vsi_id: VF relative VSI id | |
5c3c48ac | 171 | * |
b40c82e6 | 172 | * check for the valid VSI id |
5c3c48ac | 173 | **/ |
fdf0e0bf | 174 | static inline bool i40e_vc_isvalid_vsi_id(struct i40e_vf *vf, u16 vsi_id) |
5c3c48ac JB |
175 | { |
176 | struct i40e_pf *pf = vf->pf; | |
fdf0e0bf | 177 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
5c3c48ac | 178 | |
fdf0e0bf | 179 | return (vsi && (vsi->vf_id == vf->vf_id)); |
5c3c48ac JB |
180 | } |
181 | ||
182 | /** | |
183 | * i40e_vc_isvalid_queue_id | |
b40c82e6 | 184 | * @vf: pointer to the VF info |
5c3c48ac JB |
185 | * @vsi_id: vsi id |
186 | * @qid: vsi relative queue id | |
187 | * | |
188 | * check for the valid queue id | |
189 | **/ | |
fdf0e0bf | 190 | static inline bool i40e_vc_isvalid_queue_id(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
191 | u8 qid) |
192 | { | |
193 | struct i40e_pf *pf = vf->pf; | |
fdf0e0bf | 194 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
5c3c48ac | 195 | |
fdf0e0bf | 196 | return (vsi && (qid < vsi->alloc_queue_pairs)); |
5c3c48ac JB |
197 | } |
198 | ||
199 | /** | |
200 | * i40e_vc_isvalid_vector_id | |
b40c82e6 JK |
201 | * @vf: pointer to the VF info |
202 | * @vector_id: VF relative vector id | |
5c3c48ac JB |
203 | * |
204 | * check for the valid vector id | |
205 | **/ | |
206 | static inline bool i40e_vc_isvalid_vector_id(struct i40e_vf *vf, u8 vector_id) | |
207 | { | |
208 | struct i40e_pf *pf = vf->pf; | |
209 | ||
9347eb77 | 210 | return vector_id < pf->hw.func_caps.num_msix_vectors_vf; |
5c3c48ac JB |
211 | } |
212 | ||
213 | /***********************vf resource mgmt routines*****************/ | |
214 | ||
215 | /** | |
216 | * i40e_vc_get_pf_queue_id | |
b40c82e6 | 217 | * @vf: pointer to the VF info |
fdf0e0bf | 218 | * @vsi_id: id of VSI as provided by the FW |
5c3c48ac JB |
219 | * @vsi_queue_id: vsi relative queue id |
220 | * | |
b40c82e6 | 221 | * return PF relative queue id |
5c3c48ac | 222 | **/ |
fdf0e0bf | 223 | static u16 i40e_vc_get_pf_queue_id(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
224 | u8 vsi_queue_id) |
225 | { | |
226 | struct i40e_pf *pf = vf->pf; | |
fdf0e0bf | 227 | struct i40e_vsi *vsi = i40e_find_vsi_from_id(pf, vsi_id); |
5c3c48ac JB |
228 | u16 pf_queue_id = I40E_QUEUE_END_OF_LIST; |
229 | ||
fdf0e0bf ASJ |
230 | if (!vsi) |
231 | return pf_queue_id; | |
232 | ||
5c3c48ac JB |
233 | if (le16_to_cpu(vsi->info.mapping_flags) & |
234 | I40E_AQ_VSI_QUE_MAP_NONCONTIG) | |
235 | pf_queue_id = | |
236 | le16_to_cpu(vsi->info.queue_mapping[vsi_queue_id]); | |
237 | else | |
238 | pf_queue_id = le16_to_cpu(vsi->info.queue_mapping[0]) + | |
239 | vsi_queue_id; | |
240 | ||
241 | return pf_queue_id; | |
242 | } | |
243 | ||
5c3c48ac JB |
244 | /** |
245 | * i40e_config_irq_link_list | |
b40c82e6 | 246 | * @vf: pointer to the VF info |
fdf0e0bf | 247 | * @vsi_id: id of VSI as given by the FW |
5c3c48ac JB |
248 | * @vecmap: irq map info |
249 | * | |
250 | * configure irq link list from the map | |
251 | **/ | |
fdf0e0bf | 252 | static void i40e_config_irq_link_list(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
253 | struct i40e_virtchnl_vector_map *vecmap) |
254 | { | |
255 | unsigned long linklistmap = 0, tempmap; | |
256 | struct i40e_pf *pf = vf->pf; | |
257 | struct i40e_hw *hw = &pf->hw; | |
258 | u16 vsi_queue_id, pf_queue_id; | |
259 | enum i40e_queue_type qtype; | |
260 | u16 next_q, vector_id; | |
261 | u32 reg, reg_idx; | |
262 | u16 itr_idx = 0; | |
263 | ||
264 | vector_id = vecmap->vector_id; | |
265 | /* setup the head */ | |
266 | if (0 == vector_id) | |
267 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
268 | else | |
269 | reg_idx = I40E_VPINT_LNKLSTN( | |
9347eb77 MW |
270 | ((pf->hw.func_caps.num_msix_vectors_vf - 1) * vf->vf_id) + |
271 | (vector_id - 1)); | |
5c3c48ac JB |
272 | |
273 | if (vecmap->rxq_map == 0 && vecmap->txq_map == 0) { | |
274 | /* Special case - No queues mapped on this vector */ | |
275 | wr32(hw, reg_idx, I40E_VPINT_LNKLST0_FIRSTQ_INDX_MASK); | |
276 | goto irq_list_done; | |
277 | } | |
278 | tempmap = vecmap->rxq_map; | |
4836650b | 279 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
41a1d04b JB |
280 | linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES * |
281 | vsi_queue_id)); | |
5c3c48ac JB |
282 | } |
283 | ||
284 | tempmap = vecmap->txq_map; | |
4836650b | 285 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
41a1d04b JB |
286 | linklistmap |= (BIT(I40E_VIRTCHNL_SUPPORTED_QTYPES * |
287 | vsi_queue_id + 1)); | |
5c3c48ac JB |
288 | } |
289 | ||
290 | next_q = find_first_bit(&linklistmap, | |
291 | (I40E_MAX_VSI_QP * | |
292 | I40E_VIRTCHNL_SUPPORTED_QTYPES)); | |
b82bc49e MW |
293 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
294 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; | |
fdf0e0bf | 295 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
5c3c48ac JB |
296 | reg = ((qtype << I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT) | pf_queue_id); |
297 | ||
298 | wr32(hw, reg_idx, reg); | |
299 | ||
300 | while (next_q < (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { | |
301 | switch (qtype) { | |
302 | case I40E_QUEUE_TYPE_RX: | |
303 | reg_idx = I40E_QINT_RQCTL(pf_queue_id); | |
304 | itr_idx = vecmap->rxitr_idx; | |
305 | break; | |
306 | case I40E_QUEUE_TYPE_TX: | |
307 | reg_idx = I40E_QINT_TQCTL(pf_queue_id); | |
308 | itr_idx = vecmap->txitr_idx; | |
309 | break; | |
310 | default: | |
311 | break; | |
312 | } | |
313 | ||
314 | next_q = find_next_bit(&linklistmap, | |
315 | (I40E_MAX_VSI_QP * | |
316 | I40E_VIRTCHNL_SUPPORTED_QTYPES), | |
317 | next_q + 1); | |
829af3ac MW |
318 | if (next_q < |
319 | (I40E_MAX_VSI_QP * I40E_VIRTCHNL_SUPPORTED_QTYPES)) { | |
5c3c48ac JB |
320 | vsi_queue_id = next_q / I40E_VIRTCHNL_SUPPORTED_QTYPES; |
321 | qtype = next_q % I40E_VIRTCHNL_SUPPORTED_QTYPES; | |
fdf0e0bf | 322 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, |
5c3c48ac JB |
323 | vsi_queue_id); |
324 | } else { | |
325 | pf_queue_id = I40E_QUEUE_END_OF_LIST; | |
326 | qtype = 0; | |
327 | } | |
328 | ||
329 | /* format for the RQCTL & TQCTL regs is same */ | |
330 | reg = (vector_id) | | |
331 | (qtype << I40E_QINT_RQCTL_NEXTQ_TYPE_SHIFT) | | |
332 | (pf_queue_id << I40E_QINT_RQCTL_NEXTQ_INDX_SHIFT) | | |
41a1d04b | 333 | BIT(I40E_QINT_RQCTL_CAUSE_ENA_SHIFT) | |
5c3c48ac JB |
334 | (itr_idx << I40E_QINT_RQCTL_ITR_INDX_SHIFT); |
335 | wr32(hw, reg_idx, reg); | |
336 | } | |
337 | ||
b8262a6d ASJ |
338 | /* if the vf is running in polling mode and using interrupt zero, |
339 | * need to disable auto-mask on enabling zero interrupt for VFs. | |
340 | */ | |
341 | if ((vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) && | |
342 | (vector_id == 0)) { | |
343 | reg = rd32(hw, I40E_GLINT_CTL); | |
344 | if (!(reg & I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK)) { | |
345 | reg |= I40E_GLINT_CTL_DIS_AUTOMASK_VF0_MASK; | |
346 | wr32(hw, I40E_GLINT_CTL, reg); | |
347 | } | |
348 | } | |
349 | ||
5c3c48ac JB |
350 | irq_list_done: |
351 | i40e_flush(hw); | |
352 | } | |
353 | ||
e3219ce6 ASJ |
354 | /** |
355 | * i40e_release_iwarp_qvlist | |
356 | * @vf: pointer to the VF. | |
357 | * | |
358 | **/ | |
359 | static void i40e_release_iwarp_qvlist(struct i40e_vf *vf) | |
360 | { | |
361 | struct i40e_pf *pf = vf->pf; | |
362 | struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info = vf->qvlist_info; | |
363 | u32 msix_vf; | |
364 | u32 i; | |
365 | ||
366 | if (!vf->qvlist_info) | |
367 | return; | |
368 | ||
369 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; | |
370 | for (i = 0; i < qvlist_info->num_vectors; i++) { | |
371 | struct i40e_virtchnl_iwarp_qv_info *qv_info; | |
372 | u32 next_q_index, next_q_type; | |
373 | struct i40e_hw *hw = &pf->hw; | |
374 | u32 v_idx, reg_idx, reg; | |
375 | ||
376 | qv_info = &qvlist_info->qv_info[i]; | |
377 | if (!qv_info) | |
378 | continue; | |
379 | v_idx = qv_info->v_idx; | |
380 | if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) { | |
381 | /* Figure out the queue after CEQ and make that the | |
382 | * first queue. | |
383 | */ | |
384 | reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx; | |
385 | reg = rd32(hw, I40E_VPINT_CEQCTL(reg_idx)); | |
386 | next_q_index = (reg & I40E_VPINT_CEQCTL_NEXTQ_INDX_MASK) | |
387 | >> I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT; | |
388 | next_q_type = (reg & I40E_VPINT_CEQCTL_NEXTQ_TYPE_MASK) | |
389 | >> I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT; | |
390 | ||
391 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); | |
392 | reg = (next_q_index & | |
393 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) | | |
394 | (next_q_type << | |
395 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); | |
396 | ||
397 | wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg); | |
398 | } | |
399 | } | |
400 | kfree(vf->qvlist_info); | |
401 | vf->qvlist_info = NULL; | |
402 | } | |
403 | ||
404 | /** | |
405 | * i40e_config_iwarp_qvlist | |
406 | * @vf: pointer to the VF info | |
407 | * @qvlist_info: queue and vector list | |
408 | * | |
409 | * Return 0 on success or < 0 on error | |
410 | **/ | |
411 | static int i40e_config_iwarp_qvlist(struct i40e_vf *vf, | |
412 | struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info) | |
413 | { | |
414 | struct i40e_pf *pf = vf->pf; | |
415 | struct i40e_hw *hw = &pf->hw; | |
416 | struct i40e_virtchnl_iwarp_qv_info *qv_info; | |
417 | u32 v_idx, i, reg_idx, reg; | |
418 | u32 next_q_idx, next_q_type; | |
419 | u32 msix_vf, size; | |
420 | ||
421 | size = sizeof(struct i40e_virtchnl_iwarp_qvlist_info) + | |
422 | (sizeof(struct i40e_virtchnl_iwarp_qv_info) * | |
423 | (qvlist_info->num_vectors - 1)); | |
424 | vf->qvlist_info = kzalloc(size, GFP_KERNEL); | |
425 | vf->qvlist_info->num_vectors = qvlist_info->num_vectors; | |
426 | ||
427 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; | |
428 | for (i = 0; i < qvlist_info->num_vectors; i++) { | |
429 | qv_info = &qvlist_info->qv_info[i]; | |
430 | if (!qv_info) | |
431 | continue; | |
432 | v_idx = qv_info->v_idx; | |
433 | ||
434 | /* Validate vector id belongs to this vf */ | |
435 | if (!i40e_vc_isvalid_vector_id(vf, v_idx)) | |
436 | goto err; | |
437 | ||
438 | vf->qvlist_info->qv_info[i] = *qv_info; | |
439 | ||
440 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); | |
441 | /* We might be sharing the interrupt, so get the first queue | |
442 | * index and type, push it down the list by adding the new | |
443 | * queue on top. Also link it with the new queue in CEQCTL. | |
444 | */ | |
445 | reg = rd32(hw, I40E_VPINT_LNKLSTN(reg_idx)); | |
446 | next_q_idx = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) >> | |
447 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_SHIFT); | |
448 | next_q_type = ((reg & I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK) >> | |
449 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); | |
450 | ||
451 | if (qv_info->ceq_idx != I40E_QUEUE_INVALID_IDX) { | |
452 | reg_idx = (msix_vf - 1) * vf->vf_id + qv_info->ceq_idx; | |
453 | reg = (I40E_VPINT_CEQCTL_CAUSE_ENA_MASK | | |
454 | (v_idx << I40E_VPINT_CEQCTL_MSIX_INDX_SHIFT) | | |
455 | (qv_info->itr_idx << I40E_VPINT_CEQCTL_ITR_INDX_SHIFT) | | |
456 | (next_q_type << I40E_VPINT_CEQCTL_NEXTQ_TYPE_SHIFT) | | |
457 | (next_q_idx << I40E_VPINT_CEQCTL_NEXTQ_INDX_SHIFT)); | |
458 | wr32(hw, I40E_VPINT_CEQCTL(reg_idx), reg); | |
459 | ||
460 | reg_idx = ((msix_vf - 1) * vf->vf_id) + (v_idx - 1); | |
461 | reg = (qv_info->ceq_idx & | |
462 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK) | | |
463 | (I40E_QUEUE_TYPE_PE_CEQ << | |
464 | I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_SHIFT); | |
465 | wr32(hw, I40E_VPINT_LNKLSTN(reg_idx), reg); | |
466 | } | |
467 | ||
468 | if (qv_info->aeq_idx != I40E_QUEUE_INVALID_IDX) { | |
469 | reg = (I40E_VPINT_AEQCTL_CAUSE_ENA_MASK | | |
470 | (v_idx << I40E_VPINT_AEQCTL_MSIX_INDX_SHIFT) | | |
471 | (qv_info->itr_idx << I40E_VPINT_AEQCTL_ITR_INDX_SHIFT)); | |
472 | ||
473 | wr32(hw, I40E_VPINT_AEQCTL(vf->vf_id), reg); | |
474 | } | |
475 | } | |
476 | ||
477 | return 0; | |
478 | err: | |
479 | kfree(vf->qvlist_info); | |
480 | vf->qvlist_info = NULL; | |
481 | return -EINVAL; | |
482 | } | |
483 | ||
5c3c48ac JB |
484 | /** |
485 | * i40e_config_vsi_tx_queue | |
b40c82e6 | 486 | * @vf: pointer to the VF info |
fdf0e0bf | 487 | * @vsi_id: id of VSI as provided by the FW |
5c3c48ac JB |
488 | * @vsi_queue_id: vsi relative queue index |
489 | * @info: config. info | |
490 | * | |
491 | * configure tx queue | |
492 | **/ | |
fdf0e0bf | 493 | static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
494 | u16 vsi_queue_id, |
495 | struct i40e_virtchnl_txq_info *info) | |
496 | { | |
497 | struct i40e_pf *pf = vf->pf; | |
498 | struct i40e_hw *hw = &pf->hw; | |
499 | struct i40e_hmc_obj_txq tx_ctx; | |
fdf0e0bf | 500 | struct i40e_vsi *vsi; |
5c3c48ac JB |
501 | u16 pf_queue_id; |
502 | u32 qtx_ctl; | |
503 | int ret = 0; | |
504 | ||
fdf0e0bf ASJ |
505 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
506 | vsi = i40e_find_vsi_from_id(pf, vsi_id); | |
5c3c48ac JB |
507 | |
508 | /* clear the context structure first */ | |
509 | memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq)); | |
510 | ||
511 | /* only set the required fields */ | |
512 | tx_ctx.base = info->dma_ring_addr / 128; | |
513 | tx_ctx.qlen = info->ring_len; | |
fdf0e0bf | 514 | tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]); |
5c3c48ac | 515 | tx_ctx.rdylist_act = 0; |
5d29896a AS |
516 | tx_ctx.head_wb_ena = info->headwb_enabled; |
517 | tx_ctx.head_wb_addr = info->dma_headwb_addr; | |
5c3c48ac JB |
518 | |
519 | /* clear the context in the HMC */ | |
520 | ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); | |
521 | if (ret) { | |
522 | dev_err(&pf->pdev->dev, | |
523 | "Failed to clear VF LAN Tx queue context %d, error: %d\n", | |
524 | pf_queue_id, ret); | |
525 | ret = -ENOENT; | |
526 | goto error_context; | |
527 | } | |
528 | ||
529 | /* set the context in the HMC */ | |
530 | ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx); | |
531 | if (ret) { | |
532 | dev_err(&pf->pdev->dev, | |
533 | "Failed to set VF LAN Tx queue context %d error: %d\n", | |
534 | pf_queue_id, ret); | |
535 | ret = -ENOENT; | |
536 | goto error_context; | |
537 | } | |
538 | ||
539 | /* associate this queue with the PCI VF function */ | |
540 | qtx_ctl = I40E_QTX_CTL_VF_QUEUE; | |
13fd9774 | 541 | qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) |
5c3c48ac JB |
542 | & I40E_QTX_CTL_PF_INDX_MASK); |
543 | qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) | |
544 | << I40E_QTX_CTL_VFVM_INDX_SHIFT) | |
545 | & I40E_QTX_CTL_VFVM_INDX_MASK); | |
546 | wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl); | |
547 | i40e_flush(hw); | |
548 | ||
549 | error_context: | |
550 | return ret; | |
551 | } | |
552 | ||
553 | /** | |
554 | * i40e_config_vsi_rx_queue | |
b40c82e6 | 555 | * @vf: pointer to the VF info |
fdf0e0bf | 556 | * @vsi_id: id of VSI as provided by the FW |
5c3c48ac JB |
557 | * @vsi_queue_id: vsi relative queue index |
558 | * @info: config. info | |
559 | * | |
560 | * configure rx queue | |
561 | **/ | |
fdf0e0bf | 562 | static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
563 | u16 vsi_queue_id, |
564 | struct i40e_virtchnl_rxq_info *info) | |
565 | { | |
566 | struct i40e_pf *pf = vf->pf; | |
567 | struct i40e_hw *hw = &pf->hw; | |
568 | struct i40e_hmc_obj_rxq rx_ctx; | |
569 | u16 pf_queue_id; | |
570 | int ret = 0; | |
571 | ||
fdf0e0bf | 572 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
5c3c48ac JB |
573 | |
574 | /* clear the context structure first */ | |
575 | memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); | |
576 | ||
577 | /* only set the required fields */ | |
578 | rx_ctx.base = info->dma_ring_addr / 128; | |
579 | rx_ctx.qlen = info->ring_len; | |
580 | ||
581 | if (info->splithdr_enabled) { | |
582 | rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 | | |
583 | I40E_RX_SPLIT_IP | | |
584 | I40E_RX_SPLIT_TCP_UDP | | |
585 | I40E_RX_SPLIT_SCTP; | |
586 | /* header length validation */ | |
587 | if (info->hdr_size > ((2 * 1024) - 64)) { | |
588 | ret = -EINVAL; | |
589 | goto error_param; | |
590 | } | |
591 | rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; | |
592 | ||
593 | /* set splitalways mode 10b */ | |
d6b3bca1 | 594 | rx_ctx.dtype = I40E_RX_DTYPE_HEADER_SPLIT; |
5c3c48ac JB |
595 | } |
596 | ||
597 | /* databuffer length validation */ | |
598 | if (info->databuffer_size > ((16 * 1024) - 128)) { | |
599 | ret = -EINVAL; | |
600 | goto error_param; | |
601 | } | |
602 | rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; | |
603 | ||
604 | /* max pkt. length validation */ | |
605 | if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) { | |
606 | ret = -EINVAL; | |
607 | goto error_param; | |
608 | } | |
609 | rx_ctx.rxmax = info->max_pkt_size; | |
610 | ||
611 | /* enable 32bytes desc always */ | |
612 | rx_ctx.dsize = 1; | |
613 | ||
614 | /* default values */ | |
5c3c48ac JB |
615 | rx_ctx.lrxqthresh = 2; |
616 | rx_ctx.crcstrip = 1; | |
50d41659 | 617 | rx_ctx.prefena = 1; |
c1d11cef | 618 | rx_ctx.l2tsel = 1; |
5c3c48ac JB |
619 | |
620 | /* clear the context in the HMC */ | |
621 | ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); | |
622 | if (ret) { | |
623 | dev_err(&pf->pdev->dev, | |
624 | "Failed to clear VF LAN Rx queue context %d, error: %d\n", | |
625 | pf_queue_id, ret); | |
626 | ret = -ENOENT; | |
627 | goto error_param; | |
628 | } | |
629 | ||
630 | /* set the context in the HMC */ | |
631 | ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx); | |
632 | if (ret) { | |
633 | dev_err(&pf->pdev->dev, | |
634 | "Failed to set VF LAN Rx queue context %d error: %d\n", | |
635 | pf_queue_id, ret); | |
636 | ret = -ENOENT; | |
637 | goto error_param; | |
638 | } | |
639 | ||
640 | error_param: | |
641 | return ret; | |
642 | } | |
643 | ||
644 | /** | |
645 | * i40e_alloc_vsi_res | |
b40c82e6 | 646 | * @vf: pointer to the VF info |
5c3c48ac JB |
647 | * @type: type of VSI to allocate |
648 | * | |
b40c82e6 | 649 | * alloc VF vsi context & resources |
5c3c48ac JB |
650 | **/ |
651 | static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) | |
652 | { | |
653 | struct i40e_mac_filter *f = NULL; | |
654 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac JB |
655 | struct i40e_vsi *vsi; |
656 | int ret = 0; | |
657 | ||
658 | vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id); | |
659 | ||
660 | if (!vsi) { | |
661 | dev_err(&pf->pdev->dev, | |
b40c82e6 | 662 | "add vsi failed for VF %d, aq_err %d\n", |
5c3c48ac JB |
663 | vf->vf_id, pf->hw.aq.asq_last_status); |
664 | ret = -ENOENT; | |
665 | goto error_alloc_vsi_res; | |
666 | } | |
667 | if (type == I40E_VSI_SRIOV) { | |
1a10370a | 668 | u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
6995b36c | 669 | |
fdf0e0bf | 670 | vf->lan_vsi_idx = vsi->idx; |
5c3c48ac | 671 | vf->lan_vsi_id = vsi->id; |
6c12fcbf GR |
672 | /* If the port VLAN has been configured and then the |
673 | * VF driver was removed then the VSI port VLAN | |
674 | * configuration was destroyed. Check if there is | |
675 | * a port VLAN and restore the VSI configuration if | |
676 | * needed. | |
677 | */ | |
678 | if (vf->port_vlan_id) | |
679 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); | |
21659035 KP |
680 | |
681 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
b7b713a8 MW |
682 | if (is_valid_ether_addr(vf->default_lan_addr.addr)) { |
683 | f = i40e_add_filter(vsi, vf->default_lan_addr.addr, | |
684 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
685 | true, false); | |
686 | if (!f) | |
687 | dev_info(&pf->pdev->dev, | |
688 | "Could not add MAC filter %pM for VF %d\n", | |
689 | vf->default_lan_addr.addr, vf->vf_id); | |
690 | } | |
e995163c MW |
691 | f = i40e_add_filter(vsi, brdcast, |
692 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
1a10370a GR |
693 | true, false); |
694 | if (!f) | |
695 | dev_info(&pf->pdev->dev, | |
696 | "Could not allocate VF broadcast filter\n"); | |
21659035 | 697 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac | 698 | } |
6dbbbfb2 | 699 | |
5c3c48ac | 700 | /* program mac filter */ |
17652c63 | 701 | ret = i40e_sync_vsi_filters(vsi); |
fd1646ee | 702 | if (ret) |
5c3c48ac | 703 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
5c3c48ac | 704 | |
6b192891 MW |
705 | /* Set VF bandwidth if specified */ |
706 | if (vf->tx_rate) { | |
707 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, | |
708 | vf->tx_rate / 50, 0, NULL); | |
709 | if (ret) | |
710 | dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", | |
711 | vf->vf_id, ret); | |
712 | } | |
713 | ||
5c3c48ac JB |
714 | error_alloc_vsi_res: |
715 | return ret; | |
716 | } | |
717 | ||
805bd5bd MW |
718 | /** |
719 | * i40e_enable_vf_mappings | |
b40c82e6 | 720 | * @vf: pointer to the VF info |
805bd5bd | 721 | * |
b40c82e6 | 722 | * enable VF mappings |
805bd5bd MW |
723 | **/ |
724 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) | |
725 | { | |
726 | struct i40e_pf *pf = vf->pf; | |
727 | struct i40e_hw *hw = &pf->hw; | |
728 | u32 reg, total_queue_pairs = 0; | |
729 | int j; | |
730 | ||
731 | /* Tell the hardware we're using noncontiguous mapping. HW requires | |
732 | * that VF queues be mapped using this method, even when they are | |
733 | * contiguous in real life | |
734 | */ | |
272cdaf2 SN |
735 | i40e_write_rx_ctl(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), |
736 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); | |
805bd5bd MW |
737 | |
738 | /* enable VF vplan_qtable mappings */ | |
739 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; | |
740 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); | |
741 | ||
742 | /* map PF queues to VF queues */ | |
fdf0e0bf ASJ |
743 | for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) { |
744 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j); | |
6995b36c | 745 | |
805bd5bd MW |
746 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); |
747 | wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg); | |
748 | total_queue_pairs++; | |
749 | } | |
750 | ||
751 | /* map PF queues to VSI */ | |
752 | for (j = 0; j < 7; j++) { | |
fdf0e0bf | 753 | if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) { |
805bd5bd MW |
754 | reg = 0x07FF07FF; /* unused */ |
755 | } else { | |
fdf0e0bf | 756 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
757 | j * 2); |
758 | reg = qid; | |
fdf0e0bf | 759 | qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
760 | (j * 2) + 1); |
761 | reg |= qid << 16; | |
762 | } | |
272cdaf2 SN |
763 | i40e_write_rx_ctl(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), |
764 | reg); | |
805bd5bd MW |
765 | } |
766 | ||
767 | i40e_flush(hw); | |
768 | } | |
769 | ||
770 | /** | |
771 | * i40e_disable_vf_mappings | |
b40c82e6 | 772 | * @vf: pointer to the VF info |
805bd5bd | 773 | * |
b40c82e6 | 774 | * disable VF mappings |
805bd5bd MW |
775 | **/ |
776 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) | |
777 | { | |
778 | struct i40e_pf *pf = vf->pf; | |
779 | struct i40e_hw *hw = &pf->hw; | |
780 | int i; | |
781 | ||
782 | /* disable qp mappings */ | |
783 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); | |
784 | for (i = 0; i < I40E_MAX_VSI_QP; i++) | |
785 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), | |
786 | I40E_QUEUE_END_OF_LIST); | |
787 | i40e_flush(hw); | |
788 | } | |
789 | ||
790 | /** | |
791 | * i40e_free_vf_res | |
b40c82e6 | 792 | * @vf: pointer to the VF info |
805bd5bd | 793 | * |
b40c82e6 | 794 | * free VF resources |
805bd5bd MW |
795 | **/ |
796 | static void i40e_free_vf_res(struct i40e_vf *vf) | |
797 | { | |
798 | struct i40e_pf *pf = vf->pf; | |
fc18eaa0 MW |
799 | struct i40e_hw *hw = &pf->hw; |
800 | u32 reg_idx, reg; | |
801 | int i, msix_vf; | |
805bd5bd MW |
802 | |
803 | /* free vsi & disconnect it from the parent uplink */ | |
fdf0e0bf ASJ |
804 | if (vf->lan_vsi_idx) { |
805 | i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]); | |
806 | vf->lan_vsi_idx = 0; | |
805bd5bd MW |
807 | vf->lan_vsi_id = 0; |
808 | } | |
9347eb77 MW |
809 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
810 | ||
fc18eaa0 MW |
811 | /* disable interrupts so the VF starts in a known state */ |
812 | for (i = 0; i < msix_vf; i++) { | |
813 | /* format is same for both registers */ | |
814 | if (0 == i) | |
815 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); | |
816 | else | |
817 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * | |
818 | (vf->vf_id)) | |
819 | + (i - 1)); | |
820 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); | |
821 | i40e_flush(hw); | |
822 | } | |
805bd5bd | 823 | |
fc18eaa0 MW |
824 | /* clear the irq settings */ |
825 | for (i = 0; i < msix_vf; i++) { | |
826 | /* format is same for both registers */ | |
827 | if (0 == i) | |
828 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
829 | else | |
830 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * | |
831 | (vf->vf_id)) | |
832 | + (i - 1)); | |
833 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | | |
834 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); | |
835 | wr32(hw, reg_idx, reg); | |
836 | i40e_flush(hw); | |
837 | } | |
805bd5bd MW |
838 | /* reset some of the state varibles keeping |
839 | * track of the resources | |
840 | */ | |
841 | vf->num_queue_pairs = 0; | |
842 | vf->vf_states = 0; | |
21be99ec | 843 | clear_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
805bd5bd MW |
844 | } |
845 | ||
846 | /** | |
847 | * i40e_alloc_vf_res | |
b40c82e6 | 848 | * @vf: pointer to the VF info |
805bd5bd | 849 | * |
b40c82e6 | 850 | * allocate VF resources |
805bd5bd MW |
851 | **/ |
852 | static int i40e_alloc_vf_res(struct i40e_vf *vf) | |
853 | { | |
854 | struct i40e_pf *pf = vf->pf; | |
855 | int total_queue_pairs = 0; | |
856 | int ret; | |
857 | ||
858 | /* allocate hw vsi context & associated resources */ | |
859 | ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV); | |
860 | if (ret) | |
861 | goto error_alloc; | |
fdf0e0bf | 862 | total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
805bd5bd MW |
863 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
864 | ||
865 | /* store the total qps number for the runtime | |
b40c82e6 | 866 | * VF req validation |
805bd5bd MW |
867 | */ |
868 | vf->num_queue_pairs = total_queue_pairs; | |
869 | ||
b40c82e6 | 870 | /* VF is now completely initialized */ |
805bd5bd MW |
871 | set_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
872 | ||
873 | error_alloc: | |
874 | if (ret) | |
875 | i40e_free_vf_res(vf); | |
876 | ||
877 | return ret; | |
878 | } | |
879 | ||
fc18eaa0 MW |
880 | #define VF_DEVICE_STATUS 0xAA |
881 | #define VF_TRANS_PENDING_MASK 0x20 | |
882 | /** | |
883 | * i40e_quiesce_vf_pci | |
b40c82e6 | 884 | * @vf: pointer to the VF structure |
fc18eaa0 MW |
885 | * |
886 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO | |
887 | * if the transactions never clear. | |
888 | **/ | |
889 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) | |
890 | { | |
891 | struct i40e_pf *pf = vf->pf; | |
892 | struct i40e_hw *hw = &pf->hw; | |
893 | int vf_abs_id, i; | |
894 | u32 reg; | |
895 | ||
b141d619 | 896 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
fc18eaa0 MW |
897 | |
898 | wr32(hw, I40E_PF_PCI_CIAA, | |
899 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); | |
900 | for (i = 0; i < 100; i++) { | |
901 | reg = rd32(hw, I40E_PF_PCI_CIAD); | |
902 | if ((reg & VF_TRANS_PENDING_MASK) == 0) | |
903 | return 0; | |
904 | udelay(1); | |
905 | } | |
906 | return -EIO; | |
907 | } | |
908 | ||
5c3c48ac JB |
909 | /** |
910 | * i40e_reset_vf | |
b40c82e6 | 911 | * @vf: pointer to the VF structure |
5c3c48ac JB |
912 | * @flr: VFLR was issued or not |
913 | * | |
b40c82e6 | 914 | * reset the VF |
5c3c48ac | 915 | **/ |
fc18eaa0 | 916 | void i40e_reset_vf(struct i40e_vf *vf, bool flr) |
5c3c48ac | 917 | { |
5c3c48ac JB |
918 | struct i40e_pf *pf = vf->pf; |
919 | struct i40e_hw *hw = &pf->hw; | |
5c3c48ac | 920 | bool rsd = false; |
fc18eaa0 MW |
921 | int i; |
922 | u32 reg; | |
5c3c48ac | 923 | |
3ba9bcb4 MW |
924 | if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
925 | return; | |
926 | ||
5c3c48ac | 927 | /* warn the VF */ |
5c3c48ac JB |
928 | clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
929 | ||
fc18eaa0 MW |
930 | /* In the case of a VFLR, the HW has already reset the VF and we |
931 | * just need to clean up, so don't hit the VFRTRIG register. | |
5c3c48ac JB |
932 | */ |
933 | if (!flr) { | |
b40c82e6 | 934 | /* reset VF using VPGEN_VFRTRIG reg */ |
fc18eaa0 MW |
935 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
936 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
5c3c48ac JB |
937 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
938 | i40e_flush(hw); | |
939 | } | |
940 | ||
fc18eaa0 MW |
941 | if (i40e_quiesce_vf_pci(vf)) |
942 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", | |
943 | vf->vf_id); | |
944 | ||
5c3c48ac JB |
945 | /* poll VPGEN_VFRSTAT reg to make sure |
946 | * that reset is complete | |
947 | */ | |
1750a22f MW |
948 | for (i = 0; i < 10; i++) { |
949 | /* VF reset requires driver to first reset the VF and then | |
950 | * poll the status register to make sure that the reset | |
951 | * completed successfully. Due to internal HW FIFO flushes, | |
952 | * we must wait 10ms before the register will be valid. | |
5c3c48ac | 953 | */ |
1750a22f | 954 | usleep_range(10000, 20000); |
5c3c48ac JB |
955 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
956 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { | |
957 | rsd = true; | |
958 | break; | |
959 | } | |
960 | } | |
961 | ||
57175ac1 ASJ |
962 | if (flr) |
963 | usleep_range(10000, 20000); | |
964 | ||
5c3c48ac | 965 | if (!rsd) |
fc18eaa0 | 966 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
5c3c48ac | 967 | vf->vf_id); |
fc18eaa0 | 968 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); |
5c3c48ac JB |
969 | /* clear the reset bit in the VPGEN_VFRTRIG reg */ |
970 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); | |
971 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
972 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); | |
fc18eaa0 MW |
973 | |
974 | /* On initial reset, we won't have any queues */ | |
fdf0e0bf | 975 | if (vf->lan_vsi_idx == 0) |
fc18eaa0 MW |
976 | goto complete_reset; |
977 | ||
fdf0e0bf | 978 | i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false); |
fc18eaa0 | 979 | complete_reset: |
b40c82e6 | 980 | /* reallocate VF resources to reset the VSI state */ |
fc18eaa0 | 981 | i40e_free_vf_res(vf); |
21be99ec | 982 | if (!i40e_alloc_vf_res(vf)) { |
e3219ce6 | 983 | int abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
21be99ec MW |
984 | i40e_enable_vf_mappings(vf); |
985 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
986 | clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
e3219ce6 | 987 | i40e_notify_client_of_vf_reset(pf, abs_vf_id); |
21be99ec | 988 | } |
5c3c48ac | 989 | /* tell the VF the reset is done */ |
fc18eaa0 | 990 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); |
5c3c48ac | 991 | i40e_flush(hw); |
3ba9bcb4 | 992 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac | 993 | } |
c354229f | 994 | |
5c3c48ac JB |
995 | /** |
996 | * i40e_free_vfs | |
b40c82e6 | 997 | * @pf: pointer to the PF structure |
5c3c48ac | 998 | * |
b40c82e6 | 999 | * free VF resources |
5c3c48ac JB |
1000 | **/ |
1001 | void i40e_free_vfs(struct i40e_pf *pf) | |
1002 | { | |
f7414531 MW |
1003 | struct i40e_hw *hw = &pf->hw; |
1004 | u32 reg_idx, bit_idx; | |
1005 | int i, tmp, vf_id; | |
5c3c48ac JB |
1006 | |
1007 | if (!pf->vf) | |
1008 | return; | |
3ba9bcb4 MW |
1009 | while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
1010 | usleep_range(1000, 2000); | |
5c3c48ac | 1011 | |
e3219ce6 | 1012 | i40e_notify_client_of_vf_enable(pf, 0); |
0325fca7 MW |
1013 | for (i = 0; i < pf->num_alloc_vfs; i++) |
1014 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) | |
1015 | i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], | |
1016 | false); | |
44434638 | 1017 | |
6a9ddb36 MW |
1018 | /* Disable IOV before freeing resources. This lets any VF drivers |
1019 | * running in the host get themselves cleaned up before we yank | |
1020 | * the carpet out from underneath their feet. | |
1021 | */ | |
1022 | if (!pci_vfs_assigned(pf->pdev)) | |
1023 | pci_disable_sriov(pf->pdev); | |
6d7b967d MW |
1024 | else |
1025 | dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n"); | |
6a9ddb36 MW |
1026 | |
1027 | msleep(20); /* let any messages in transit get finished up */ | |
1028 | ||
b40c82e6 | 1029 | /* free up VF resources */ |
6c1b5bff MW |
1030 | tmp = pf->num_alloc_vfs; |
1031 | pf->num_alloc_vfs = 0; | |
1032 | for (i = 0; i < tmp; i++) { | |
5c3c48ac JB |
1033 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) |
1034 | i40e_free_vf_res(&pf->vf[i]); | |
1035 | /* disable qp mappings */ | |
1036 | i40e_disable_vf_mappings(&pf->vf[i]); | |
1037 | } | |
1038 | ||
1039 | kfree(pf->vf); | |
1040 | pf->vf = NULL; | |
5c3c48ac | 1041 | |
9e5634df MW |
1042 | /* This check is for when the driver is unloaded while VFs are |
1043 | * assigned. Setting the number of VFs to 0 through sysfs is caught | |
1044 | * before this function ever gets called. | |
1045 | */ | |
c24817b6 | 1046 | if (!pci_vfs_assigned(pf->pdev)) { |
f7414531 MW |
1047 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
1048 | * work correctly when SR-IOV gets re-enabled. | |
1049 | */ | |
1050 | for (vf_id = 0; vf_id < tmp; vf_id++) { | |
1051 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
1052 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
41a1d04b | 1053 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
f7414531 | 1054 | } |
c354229f | 1055 | } |
3ba9bcb4 | 1056 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac JB |
1057 | } |
1058 | ||
1059 | #ifdef CONFIG_PCI_IOV | |
1060 | /** | |
1061 | * i40e_alloc_vfs | |
b40c82e6 JK |
1062 | * @pf: pointer to the PF structure |
1063 | * @num_alloc_vfs: number of VFs to allocate | |
5c3c48ac | 1064 | * |
b40c82e6 | 1065 | * allocate VF resources |
5c3c48ac | 1066 | **/ |
4aeec010 | 1067 | int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) |
5c3c48ac JB |
1068 | { |
1069 | struct i40e_vf *vfs; | |
1070 | int i, ret = 0; | |
1071 | ||
6c1b5bff | 1072 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
2ef28cfb MW |
1073 | i40e_irq_dynamic_disable_icr0(pf); |
1074 | ||
4aeec010 MW |
1075 | /* Check to see if we're just allocating resources for extant VFs */ |
1076 | if (pci_num_vf(pf->pdev) != num_alloc_vfs) { | |
1077 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); | |
1078 | if (ret) { | |
de445b3d | 1079 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
4aeec010 MW |
1080 | pf->num_alloc_vfs = 0; |
1081 | goto err_iov; | |
1082 | } | |
5c3c48ac | 1083 | } |
e3219ce6 | 1084 | i40e_notify_client_of_vf_enable(pf, num_alloc_vfs); |
5c3c48ac | 1085 | /* allocate memory */ |
cc6456af | 1086 | vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); |
5c3c48ac JB |
1087 | if (!vfs) { |
1088 | ret = -ENOMEM; | |
1089 | goto err_alloc; | |
1090 | } | |
c674d125 | 1091 | pf->vf = vfs; |
5c3c48ac JB |
1092 | |
1093 | /* apply default profile */ | |
1094 | for (i = 0; i < num_alloc_vfs; i++) { | |
1095 | vfs[i].pf = pf; | |
1096 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; | |
1097 | vfs[i].vf_id = i; | |
1098 | ||
1099 | /* assign default capabilities */ | |
1100 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); | |
c674d125 | 1101 | vfs[i].spoofchk = true; |
b40c82e6 | 1102 | /* VF resources get allocated during reset */ |
fc18eaa0 | 1103 | i40e_reset_vf(&vfs[i], false); |
5c3c48ac | 1104 | |
5c3c48ac | 1105 | } |
5c3c48ac JB |
1106 | pf->num_alloc_vfs = num_alloc_vfs; |
1107 | ||
1108 | err_alloc: | |
1109 | if (ret) | |
1110 | i40e_free_vfs(pf); | |
1111 | err_iov: | |
6c1b5bff | 1112 | /* Re-enable interrupt 0. */ |
40d72a50 | 1113 | i40e_irq_dynamic_enable_icr0(pf, false); |
5c3c48ac JB |
1114 | return ret; |
1115 | } | |
1116 | ||
1117 | #endif | |
1118 | /** | |
1119 | * i40e_pci_sriov_enable | |
1120 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 1121 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
1122 | * |
1123 | * Enable or change the number of VFs | |
1124 | **/ | |
1125 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) | |
1126 | { | |
1127 | #ifdef CONFIG_PCI_IOV | |
1128 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
1129 | int pre_existing_vfs = pci_num_vf(pdev); | |
1130 | int err = 0; | |
1131 | ||
6995b36c | 1132 | if (test_bit(__I40E_TESTING, &pf->state)) { |
e17bc411 GR |
1133 | dev_warn(&pdev->dev, |
1134 | "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n"); | |
1135 | err = -EPERM; | |
1136 | goto err_out; | |
1137 | } | |
1138 | ||
5c3c48ac JB |
1139 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
1140 | i40e_free_vfs(pf); | |
1141 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) | |
1142 | goto out; | |
1143 | ||
1144 | if (num_vfs > pf->num_req_vfs) { | |
96c8d073 MW |
1145 | dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n", |
1146 | num_vfs, pf->num_req_vfs); | |
5c3c48ac JB |
1147 | err = -EPERM; |
1148 | goto err_out; | |
1149 | } | |
1150 | ||
96c8d073 | 1151 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); |
5c3c48ac JB |
1152 | err = i40e_alloc_vfs(pf, num_vfs); |
1153 | if (err) { | |
1154 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); | |
1155 | goto err_out; | |
1156 | } | |
1157 | ||
1158 | out: | |
1159 | return num_vfs; | |
1160 | ||
1161 | err_out: | |
1162 | return err; | |
1163 | #endif | |
1164 | return 0; | |
1165 | } | |
1166 | ||
1167 | /** | |
1168 | * i40e_pci_sriov_configure | |
1169 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 1170 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
1171 | * |
1172 | * Enable or change the number of VFs. Called when the user updates the number | |
1173 | * of VFs in sysfs. | |
1174 | **/ | |
1175 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) | |
1176 | { | |
1177 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
1178 | ||
fc60861e ASJ |
1179 | if (num_vfs) { |
1180 | if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { | |
1181 | pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; | |
1182 | i40e_do_reset_safe(pf, | |
1183 | BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
1184 | } | |
5c3c48ac | 1185 | return i40e_pci_sriov_enable(pdev, num_vfs); |
fc60861e | 1186 | } |
5c3c48ac | 1187 | |
c24817b6 | 1188 | if (!pci_vfs_assigned(pf->pdev)) { |
9e5634df | 1189 | i40e_free_vfs(pf); |
fc60861e ASJ |
1190 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
1191 | i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
9e5634df MW |
1192 | } else { |
1193 | dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); | |
1194 | return -EINVAL; | |
1195 | } | |
5c3c48ac JB |
1196 | return 0; |
1197 | } | |
1198 | ||
1199 | /***********************virtual channel routines******************/ | |
1200 | ||
1201 | /** | |
1202 | * i40e_vc_send_msg_to_vf | |
b40c82e6 | 1203 | * @vf: pointer to the VF info |
5c3c48ac JB |
1204 | * @v_opcode: virtual channel opcode |
1205 | * @v_retval: virtual channel return value | |
1206 | * @msg: pointer to the msg buffer | |
1207 | * @msglen: msg length | |
1208 | * | |
b40c82e6 | 1209 | * send msg to VF |
5c3c48ac JB |
1210 | **/ |
1211 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, | |
1212 | u32 v_retval, u8 *msg, u16 msglen) | |
1213 | { | |
6e7b5bd3 ASJ |
1214 | struct i40e_pf *pf; |
1215 | struct i40e_hw *hw; | |
1216 | int abs_vf_id; | |
5c3c48ac JB |
1217 | i40e_status aq_ret; |
1218 | ||
6e7b5bd3 ASJ |
1219 | /* validate the request */ |
1220 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) | |
1221 | return -EINVAL; | |
1222 | ||
1223 | pf = vf->pf; | |
1224 | hw = &pf->hw; | |
1225 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; | |
1226 | ||
5c3c48ac JB |
1227 | /* single place to detect unsuccessful return values */ |
1228 | if (v_retval) { | |
1229 | vf->num_invalid_msgs++; | |
e7ffb72d MW |
1230 | dev_err(&pf->pdev->dev, "VF %d failed opcode %d, error: %d\n", |
1231 | vf->vf_id, v_opcode, v_retval); | |
5c3c48ac JB |
1232 | if (vf->num_invalid_msgs > |
1233 | I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) { | |
1234 | dev_err(&pf->pdev->dev, | |
1235 | "Number of invalid messages exceeded for VF %d\n", | |
1236 | vf->vf_id); | |
1237 | dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n"); | |
1238 | set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
1239 | } | |
1240 | } else { | |
1241 | vf->num_valid_msgs++; | |
5d38c93e JW |
1242 | /* reset the invalid counter, if a valid message is received. */ |
1243 | vf->num_invalid_msgs = 0; | |
5c3c48ac JB |
1244 | } |
1245 | ||
f19efbb5 | 1246 | aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
7efa84b7 | 1247 | msg, msglen, NULL); |
5c3c48ac JB |
1248 | if (aq_ret) { |
1249 | dev_err(&pf->pdev->dev, | |
1250 | "Unable to send the message to VF %d aq_err %d\n", | |
1251 | vf->vf_id, pf->hw.aq.asq_last_status); | |
1252 | return -EIO; | |
1253 | } | |
1254 | ||
1255 | return 0; | |
1256 | } | |
1257 | ||
1258 | /** | |
1259 | * i40e_vc_send_resp_to_vf | |
b40c82e6 | 1260 | * @vf: pointer to the VF info |
5c3c48ac JB |
1261 | * @opcode: operation code |
1262 | * @retval: return value | |
1263 | * | |
b40c82e6 | 1264 | * send resp msg to VF |
5c3c48ac JB |
1265 | **/ |
1266 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, | |
1267 | enum i40e_virtchnl_ops opcode, | |
1268 | i40e_status retval) | |
1269 | { | |
1270 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); | |
1271 | } | |
1272 | ||
1273 | /** | |
1274 | * i40e_vc_get_version_msg | |
b40c82e6 | 1275 | * @vf: pointer to the VF info |
5c3c48ac | 1276 | * |
b40c82e6 | 1277 | * called from the VF to request the API version used by the PF |
5c3c48ac | 1278 | **/ |
f4ca1a22 | 1279 | static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1280 | { |
1281 | struct i40e_virtchnl_version_info info = { | |
1282 | I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR | |
1283 | }; | |
1284 | ||
f4ca1a22 | 1285 | vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg; |
606a5488 MW |
1286 | /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ |
1287 | if (VF_IS_V10(vf)) | |
1288 | info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; | |
5c3c48ac JB |
1289 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, |
1290 | I40E_SUCCESS, (u8 *)&info, | |
1291 | sizeof(struct | |
1292 | i40e_virtchnl_version_info)); | |
1293 | } | |
1294 | ||
1295 | /** | |
1296 | * i40e_vc_get_vf_resources_msg | |
b40c82e6 | 1297 | * @vf: pointer to the VF info |
5c3c48ac JB |
1298 | * @msg: pointer to the msg buffer |
1299 | * @msglen: msg length | |
1300 | * | |
b40c82e6 | 1301 | * called from the VF to request its resources |
5c3c48ac | 1302 | **/ |
f4ca1a22 | 1303 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1304 | { |
1305 | struct i40e_virtchnl_vf_resource *vfres = NULL; | |
1306 | struct i40e_pf *pf = vf->pf; | |
1307 | i40e_status aq_ret = 0; | |
1308 | struct i40e_vsi *vsi; | |
1309 | int i = 0, len = 0; | |
1310 | int num_vsis = 1; | |
1311 | int ret; | |
1312 | ||
1313 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
1314 | aq_ret = I40E_ERR_PARAM; | |
1315 | goto err; | |
1316 | } | |
1317 | ||
1318 | len = (sizeof(struct i40e_virtchnl_vf_resource) + | |
1319 | sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis); | |
1320 | ||
1321 | vfres = kzalloc(len, GFP_KERNEL); | |
1322 | if (!vfres) { | |
1323 | aq_ret = I40E_ERR_NO_MEMORY; | |
1324 | len = 0; | |
1325 | goto err; | |
1326 | } | |
f4ca1a22 MW |
1327 | if (VF_IS_V11(vf)) |
1328 | vf->driver_caps = *(u32 *)msg; | |
1329 | else | |
1330 | vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 | | |
1331 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG | | |
1332 | I40E_VIRTCHNL_VF_OFFLOAD_VLAN; | |
5c3c48ac JB |
1333 | |
1334 | vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2; | |
fdf0e0bf | 1335 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1336 | if (!vsi->info.pvid) |
e25d00b8 | 1337 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN; |
e3219ce6 ASJ |
1338 | |
1339 | if (i40e_vf_client_capable(pf, vf->vf_id, I40E_CLIENT_IWARP) && | |
1340 | (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_IWARP)) { | |
1341 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_IWARP; | |
1342 | set_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states); | |
1343 | } | |
1344 | ||
e25d00b8 ASJ |
1345 | if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) { |
1346 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ) | |
1347 | vfres->vf_offload_flags |= | |
1348 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ; | |
1349 | } else { | |
1350 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG; | |
1351 | } | |
1f012279 | 1352 | |
3d0da5b7 ASJ |
1353 | if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE) { |
1354 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) | |
1355 | vfres->vf_offload_flags |= | |
1356 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; | |
1357 | } | |
1358 | ||
1f012279 ASJ |
1359 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) |
1360 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING; | |
1361 | ||
f6d83d13 ASJ |
1362 | if (pf->flags & I40E_FLAG_WB_ON_ITR_CAPABLE) { |
1363 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) | |
1364 | vfres->vf_offload_flags |= | |
1365 | I40E_VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; | |
1366 | } | |
1367 | ||
5c3c48ac JB |
1368 | vfres->num_vsis = num_vsis; |
1369 | vfres->num_queue_pairs = vf->num_queue_pairs; | |
1370 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; | |
fdf0e0bf ASJ |
1371 | if (vf->lan_vsi_idx) { |
1372 | vfres->vsi_res[i].vsi_id = vf->lan_vsi_id; | |
5c3c48ac | 1373 | vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV; |
f578f5f4 MW |
1374 | vfres->vsi_res[i].num_queue_pairs = vsi->alloc_queue_pairs; |
1375 | /* VFs only use TC 0 */ | |
1376 | vfres->vsi_res[i].qset_handle | |
1377 | = le16_to_cpu(vsi->info.qs_handle[0]); | |
6995b36c JB |
1378 | ether_addr_copy(vfres->vsi_res[i].default_mac_addr, |
1379 | vf->default_lan_addr.addr); | |
5c3c48ac JB |
1380 | i++; |
1381 | } | |
1382 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
1383 | ||
1384 | err: | |
b40c82e6 | 1385 | /* send the response back to the VF */ |
5c3c48ac JB |
1386 | ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, |
1387 | aq_ret, (u8 *)vfres, len); | |
1388 | ||
1389 | kfree(vfres); | |
1390 | return ret; | |
1391 | } | |
1392 | ||
1393 | /** | |
1394 | * i40e_vc_reset_vf_msg | |
b40c82e6 | 1395 | * @vf: pointer to the VF info |
5c3c48ac JB |
1396 | * @msg: pointer to the msg buffer |
1397 | * @msglen: msg length | |
1398 | * | |
b40c82e6 JK |
1399 | * called from the VF to reset itself, |
1400 | * unlike other virtchnl messages, PF driver | |
1401 | * doesn't send the response back to the VF | |
5c3c48ac | 1402 | **/ |
fc18eaa0 | 1403 | static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) |
5c3c48ac | 1404 | { |
fc18eaa0 MW |
1405 | if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
1406 | i40e_reset_vf(vf, false); | |
5c3c48ac JB |
1407 | } |
1408 | ||
1409 | /** | |
1410 | * i40e_vc_config_promiscuous_mode_msg | |
b40c82e6 | 1411 | * @vf: pointer to the VF info |
5c3c48ac JB |
1412 | * @msg: pointer to the msg buffer |
1413 | * @msglen: msg length | |
1414 | * | |
b40c82e6 JK |
1415 | * called from the VF to configure the promiscuous mode of |
1416 | * VF vsis | |
5c3c48ac JB |
1417 | **/ |
1418 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, | |
1419 | u8 *msg, u16 msglen) | |
1420 | { | |
1421 | struct i40e_virtchnl_promisc_info *info = | |
1422 | (struct i40e_virtchnl_promisc_info *)msg; | |
1423 | struct i40e_pf *pf = vf->pf; | |
1424 | struct i40e_hw *hw = &pf->hw; | |
89cb86c3 | 1425 | struct i40e_vsi *vsi; |
5c3c48ac | 1426 | bool allmulti = false; |
5c3c48ac JB |
1427 | i40e_status aq_ret; |
1428 | ||
fdf0e0bf | 1429 | vsi = i40e_find_vsi_from_id(pf, info->vsi_id); |
5c3c48ac JB |
1430 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
1431 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1432 | !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) || | |
fdf0e0bf | 1433 | (vsi->type != I40E_VSI_FCOE)) { |
5c3c48ac JB |
1434 | aq_ret = I40E_ERR_PARAM; |
1435 | goto error_param; | |
1436 | } | |
5c3c48ac JB |
1437 | if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC) |
1438 | allmulti = true; | |
89cb86c3 | 1439 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, |
5c3c48ac JB |
1440 | allmulti, NULL); |
1441 | ||
1442 | error_param: | |
b40c82e6 | 1443 | /* send the response to the VF */ |
5c3c48ac JB |
1444 | return i40e_vc_send_resp_to_vf(vf, |
1445 | I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, | |
1446 | aq_ret); | |
1447 | } | |
1448 | ||
1449 | /** | |
1450 | * i40e_vc_config_queues_msg | |
b40c82e6 | 1451 | * @vf: pointer to the VF info |
5c3c48ac JB |
1452 | * @msg: pointer to the msg buffer |
1453 | * @msglen: msg length | |
1454 | * | |
b40c82e6 | 1455 | * called from the VF to configure the rx/tx |
5c3c48ac JB |
1456 | * queues |
1457 | **/ | |
1458 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1459 | { | |
1460 | struct i40e_virtchnl_vsi_queue_config_info *qci = | |
1461 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1462 | struct i40e_virtchnl_queue_pair_info *qpi; | |
5f5e33b6 | 1463 | struct i40e_pf *pf = vf->pf; |
5c3c48ac JB |
1464 | u16 vsi_id, vsi_queue_id; |
1465 | i40e_status aq_ret = 0; | |
1466 | int i; | |
1467 | ||
1468 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1469 | aq_ret = I40E_ERR_PARAM; | |
1470 | goto error_param; | |
1471 | } | |
1472 | ||
1473 | vsi_id = qci->vsi_id; | |
1474 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1475 | aq_ret = I40E_ERR_PARAM; | |
1476 | goto error_param; | |
1477 | } | |
1478 | for (i = 0; i < qci->num_queue_pairs; i++) { | |
1479 | qpi = &qci->qpair[i]; | |
1480 | vsi_queue_id = qpi->txq.queue_id; | |
1481 | if ((qpi->txq.vsi_id != vsi_id) || | |
1482 | (qpi->rxq.vsi_id != vsi_id) || | |
1483 | (qpi->rxq.queue_id != vsi_queue_id) || | |
1484 | !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { | |
1485 | aq_ret = I40E_ERR_PARAM; | |
1486 | goto error_param; | |
1487 | } | |
1488 | ||
1489 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, | |
1490 | &qpi->rxq) || | |
1491 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, | |
1492 | &qpi->txq)) { | |
1493 | aq_ret = I40E_ERR_PARAM; | |
1494 | goto error_param; | |
1495 | } | |
1496 | } | |
b40c82e6 | 1497 | /* set vsi num_queue_pairs in use to num configured by VF */ |
fdf0e0bf | 1498 | pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs; |
5c3c48ac JB |
1499 | |
1500 | error_param: | |
b40c82e6 | 1501 | /* send the response to the VF */ |
5c3c48ac JB |
1502 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
1503 | aq_ret); | |
1504 | } | |
1505 | ||
1506 | /** | |
1507 | * i40e_vc_config_irq_map_msg | |
b40c82e6 | 1508 | * @vf: pointer to the VF info |
5c3c48ac JB |
1509 | * @msg: pointer to the msg buffer |
1510 | * @msglen: msg length | |
1511 | * | |
b40c82e6 | 1512 | * called from the VF to configure the irq to |
5c3c48ac JB |
1513 | * queue map |
1514 | **/ | |
1515 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1516 | { | |
1517 | struct i40e_virtchnl_irq_map_info *irqmap_info = | |
1518 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1519 | struct i40e_virtchnl_vector_map *map; | |
1520 | u16 vsi_id, vsi_queue_id, vector_id; | |
1521 | i40e_status aq_ret = 0; | |
1522 | unsigned long tempmap; | |
1523 | int i; | |
1524 | ||
1525 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1526 | aq_ret = I40E_ERR_PARAM; | |
1527 | goto error_param; | |
1528 | } | |
1529 | ||
1530 | for (i = 0; i < irqmap_info->num_vectors; i++) { | |
1531 | map = &irqmap_info->vecmap[i]; | |
1532 | ||
1533 | vector_id = map->vector_id; | |
1534 | vsi_id = map->vsi_id; | |
1535 | /* validate msg params */ | |
1536 | if (!i40e_vc_isvalid_vector_id(vf, vector_id) || | |
1537 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1538 | aq_ret = I40E_ERR_PARAM; | |
1539 | goto error_param; | |
1540 | } | |
1541 | ||
1542 | /* lookout for the invalid queue index */ | |
1543 | tempmap = map->rxq_map; | |
4836650b | 1544 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1545 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1546 | vsi_queue_id)) { | |
1547 | aq_ret = I40E_ERR_PARAM; | |
1548 | goto error_param; | |
1549 | } | |
5c3c48ac JB |
1550 | } |
1551 | ||
1552 | tempmap = map->txq_map; | |
4836650b | 1553 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1554 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1555 | vsi_queue_id)) { | |
1556 | aq_ret = I40E_ERR_PARAM; | |
1557 | goto error_param; | |
1558 | } | |
5c3c48ac JB |
1559 | } |
1560 | ||
1561 | i40e_config_irq_link_list(vf, vsi_id, map); | |
1562 | } | |
1563 | error_param: | |
b40c82e6 | 1564 | /* send the response to the VF */ |
5c3c48ac JB |
1565 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, |
1566 | aq_ret); | |
1567 | } | |
1568 | ||
1569 | /** | |
1570 | * i40e_vc_enable_queues_msg | |
b40c82e6 | 1571 | * @vf: pointer to the VF info |
5c3c48ac JB |
1572 | * @msg: pointer to the msg buffer |
1573 | * @msglen: msg length | |
1574 | * | |
b40c82e6 | 1575 | * called from the VF to enable all or specific queue(s) |
5c3c48ac JB |
1576 | **/ |
1577 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1578 | { | |
1579 | struct i40e_virtchnl_queue_select *vqs = | |
1580 | (struct i40e_virtchnl_queue_select *)msg; | |
1581 | struct i40e_pf *pf = vf->pf; | |
1582 | u16 vsi_id = vqs->vsi_id; | |
1583 | i40e_status aq_ret = 0; | |
5c3c48ac JB |
1584 | |
1585 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1586 | aq_ret = I40E_ERR_PARAM; | |
1587 | goto error_param; | |
1588 | } | |
1589 | ||
1590 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1591 | aq_ret = I40E_ERR_PARAM; | |
1592 | goto error_param; | |
1593 | } | |
1594 | ||
1595 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1596 | aq_ret = I40E_ERR_PARAM; | |
1597 | goto error_param; | |
1598 | } | |
fdf0e0bf ASJ |
1599 | |
1600 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true)) | |
88f6563d | 1601 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac | 1602 | error_param: |
b40c82e6 | 1603 | /* send the response to the VF */ |
5c3c48ac JB |
1604 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, |
1605 | aq_ret); | |
1606 | } | |
1607 | ||
1608 | /** | |
1609 | * i40e_vc_disable_queues_msg | |
b40c82e6 | 1610 | * @vf: pointer to the VF info |
5c3c48ac JB |
1611 | * @msg: pointer to the msg buffer |
1612 | * @msglen: msg length | |
1613 | * | |
b40c82e6 | 1614 | * called from the VF to disable all or specific |
5c3c48ac JB |
1615 | * queue(s) |
1616 | **/ | |
1617 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1618 | { | |
1619 | struct i40e_virtchnl_queue_select *vqs = | |
1620 | (struct i40e_virtchnl_queue_select *)msg; | |
1621 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac | 1622 | i40e_status aq_ret = 0; |
5c3c48ac JB |
1623 | |
1624 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1625 | aq_ret = I40E_ERR_PARAM; | |
1626 | goto error_param; | |
1627 | } | |
1628 | ||
1629 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1630 | aq_ret = I40E_ERR_PARAM; | |
1631 | goto error_param; | |
1632 | } | |
1633 | ||
1634 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1635 | aq_ret = I40E_ERR_PARAM; | |
1636 | goto error_param; | |
1637 | } | |
fdf0e0bf ASJ |
1638 | |
1639 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false)) | |
88f6563d | 1640 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac JB |
1641 | |
1642 | error_param: | |
b40c82e6 | 1643 | /* send the response to the VF */ |
5c3c48ac JB |
1644 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, |
1645 | aq_ret); | |
1646 | } | |
1647 | ||
1648 | /** | |
1649 | * i40e_vc_get_stats_msg | |
b40c82e6 | 1650 | * @vf: pointer to the VF info |
5c3c48ac JB |
1651 | * @msg: pointer to the msg buffer |
1652 | * @msglen: msg length | |
1653 | * | |
b40c82e6 | 1654 | * called from the VF to get vsi stats |
5c3c48ac JB |
1655 | **/ |
1656 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1657 | { | |
1658 | struct i40e_virtchnl_queue_select *vqs = | |
1659 | (struct i40e_virtchnl_queue_select *)msg; | |
1660 | struct i40e_pf *pf = vf->pf; | |
1661 | struct i40e_eth_stats stats; | |
1662 | i40e_status aq_ret = 0; | |
1663 | struct i40e_vsi *vsi; | |
1664 | ||
1665 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); | |
1666 | ||
1667 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1668 | aq_ret = I40E_ERR_PARAM; | |
1669 | goto error_param; | |
1670 | } | |
1671 | ||
1672 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1673 | aq_ret = I40E_ERR_PARAM; | |
1674 | goto error_param; | |
1675 | } | |
1676 | ||
fdf0e0bf | 1677 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1678 | if (!vsi) { |
1679 | aq_ret = I40E_ERR_PARAM; | |
1680 | goto error_param; | |
1681 | } | |
1682 | i40e_update_eth_stats(vsi); | |
5a9769c8 | 1683 | stats = vsi->eth_stats; |
5c3c48ac JB |
1684 | |
1685 | error_param: | |
b40c82e6 | 1686 | /* send the response back to the VF */ |
5c3c48ac JB |
1687 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret, |
1688 | (u8 *)&stats, sizeof(stats)); | |
1689 | } | |
1690 | ||
f657a6e1 GR |
1691 | /** |
1692 | * i40e_check_vf_permission | |
b40c82e6 | 1693 | * @vf: pointer to the VF info |
f657a6e1 GR |
1694 | * @macaddr: pointer to the MAC Address being checked |
1695 | * | |
1696 | * Check if the VF has permission to add or delete unicast MAC address | |
1697 | * filters and return error code -EPERM if not. Then check if the | |
1698 | * address filter requested is broadcast or zero and if so return | |
1699 | * an invalid MAC address error code. | |
1700 | **/ | |
1701 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) | |
1702 | { | |
1703 | struct i40e_pf *pf = vf->pf; | |
1704 | int ret = 0; | |
1705 | ||
1706 | if (is_broadcast_ether_addr(macaddr) || | |
1707 | is_zero_ether_addr(macaddr)) { | |
1708 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); | |
1709 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
5017c2a8 GR |
1710 | } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && |
1711 | !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { | |
f657a6e1 GR |
1712 | /* If the host VMM administrator has set the VF MAC address |
1713 | * administratively via the ndo_set_vf_mac command then deny | |
1714 | * permission to the VF to add or delete unicast MAC addresses. | |
5017c2a8 GR |
1715 | * The VF may request to set the MAC address filter already |
1716 | * assigned to it so do not return an error in that case. | |
f657a6e1 GR |
1717 | */ |
1718 | dev_err(&pf->pdev->dev, | |
1719 | "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); | |
1720 | ret = -EPERM; | |
1721 | } | |
1722 | return ret; | |
1723 | } | |
1724 | ||
5c3c48ac JB |
1725 | /** |
1726 | * i40e_vc_add_mac_addr_msg | |
b40c82e6 | 1727 | * @vf: pointer to the VF info |
5c3c48ac JB |
1728 | * @msg: pointer to the msg buffer |
1729 | * @msglen: msg length | |
1730 | * | |
1731 | * add guest mac address filter | |
1732 | **/ | |
1733 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1734 | { | |
1735 | struct i40e_virtchnl_ether_addr_list *al = | |
1736 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1737 | struct i40e_pf *pf = vf->pf; | |
1738 | struct i40e_vsi *vsi = NULL; | |
1739 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1740 | i40e_status ret = 0; |
5c3c48ac JB |
1741 | int i; |
1742 | ||
1743 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1744 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1745 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1746 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1747 | goto error_param; |
1748 | } | |
1749 | ||
1750 | for (i = 0; i < al->num_elements; i++) { | |
f657a6e1 GR |
1751 | ret = i40e_check_vf_permission(vf, al->list[i].addr); |
1752 | if (ret) | |
5c3c48ac | 1753 | goto error_param; |
5c3c48ac | 1754 | } |
fdf0e0bf | 1755 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1756 | |
21659035 KP |
1757 | /* Lock once, because all function inside for loop accesses VSI's |
1758 | * MAC filter list which needs to be protected using same lock. | |
1759 | */ | |
1760 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
1761 | ||
5c3c48ac JB |
1762 | /* add new addresses to the list */ |
1763 | for (i = 0; i < al->num_elements; i++) { | |
1764 | struct i40e_mac_filter *f; | |
1765 | ||
1766 | f = i40e_find_mac(vsi, al->list[i].addr, true, false); | |
7e68edf9 | 1767 | if (!f) { |
5c3c48ac JB |
1768 | if (i40e_is_vsi_in_vlan(vsi)) |
1769 | f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, | |
1770 | true, false); | |
1771 | else | |
1772 | f = i40e_add_filter(vsi, al->list[i].addr, -1, | |
1773 | true, false); | |
1774 | } | |
1775 | ||
1776 | if (!f) { | |
1777 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1778 | "Unable to add MAC filter %pM for VF %d\n", |
1779 | al->list[i].addr, vf->vf_id); | |
f657a6e1 | 1780 | ret = I40E_ERR_PARAM; |
21659035 | 1781 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1782 | goto error_param; |
1783 | } | |
1784 | } | |
21659035 | 1785 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1786 | |
1787 | /* program the updated filter list */ | |
ea02e90b MW |
1788 | ret = i40e_sync_vsi_filters(vsi); |
1789 | if (ret) | |
1790 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", | |
1791 | vf->vf_id, ret); | |
5c3c48ac JB |
1792 | |
1793 | error_param: | |
b40c82e6 | 1794 | /* send the response to the VF */ |
5c3c48ac | 1795 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, |
f657a6e1 | 1796 | ret); |
5c3c48ac JB |
1797 | } |
1798 | ||
1799 | /** | |
1800 | * i40e_vc_del_mac_addr_msg | |
b40c82e6 | 1801 | * @vf: pointer to the VF info |
5c3c48ac JB |
1802 | * @msg: pointer to the msg buffer |
1803 | * @msglen: msg length | |
1804 | * | |
1805 | * remove guest mac address filter | |
1806 | **/ | |
1807 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1808 | { | |
1809 | struct i40e_virtchnl_ether_addr_list *al = | |
1810 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1811 | struct i40e_pf *pf = vf->pf; | |
1812 | struct i40e_vsi *vsi = NULL; | |
1813 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1814 | i40e_status ret = 0; |
5c3c48ac JB |
1815 | int i; |
1816 | ||
1817 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1818 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1819 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1820 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1821 | goto error_param; |
1822 | } | |
f657a6e1 GR |
1823 | |
1824 | for (i = 0; i < al->num_elements; i++) { | |
700bbf6c MW |
1825 | if (is_broadcast_ether_addr(al->list[i].addr) || |
1826 | is_zero_ether_addr(al->list[i].addr)) { | |
8d8f2295 MW |
1827 | dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n", |
1828 | al->list[i].addr, vf->vf_id); | |
700bbf6c | 1829 | ret = I40E_ERR_INVALID_MAC_ADDR; |
f657a6e1 | 1830 | goto error_param; |
700bbf6c | 1831 | } |
f657a6e1 | 1832 | } |
fdf0e0bf | 1833 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1834 | |
21659035 | 1835 | spin_lock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1836 | /* delete addresses from the list */ |
1837 | for (i = 0; i < al->num_elements; i++) | |
b36e9ab5 MW |
1838 | if (i40e_del_mac_all_vlan(vsi, al->list[i].addr, true, false)) { |
1839 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
1840 | spin_unlock_bh(&vsi->mac_filter_list_lock); | |
1841 | goto error_param; | |
1842 | } | |
1843 | ||
21659035 | 1844 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1845 | |
1846 | /* program the updated filter list */ | |
ea02e90b MW |
1847 | ret = i40e_sync_vsi_filters(vsi); |
1848 | if (ret) | |
1849 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", | |
1850 | vf->vf_id, ret); | |
5c3c48ac JB |
1851 | |
1852 | error_param: | |
b40c82e6 | 1853 | /* send the response to the VF */ |
5c3c48ac | 1854 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, |
f657a6e1 | 1855 | ret); |
5c3c48ac JB |
1856 | } |
1857 | ||
1858 | /** | |
1859 | * i40e_vc_add_vlan_msg | |
b40c82e6 | 1860 | * @vf: pointer to the VF info |
5c3c48ac JB |
1861 | * @msg: pointer to the msg buffer |
1862 | * @msglen: msg length | |
1863 | * | |
1864 | * program guest vlan id | |
1865 | **/ | |
1866 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1867 | { | |
1868 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1869 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1870 | struct i40e_pf *pf = vf->pf; | |
1871 | struct i40e_vsi *vsi = NULL; | |
1872 | u16 vsi_id = vfl->vsi_id; | |
1873 | i40e_status aq_ret = 0; | |
1874 | int i; | |
1875 | ||
1876 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1877 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1878 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1879 | aq_ret = I40E_ERR_PARAM; | |
1880 | goto error_param; | |
1881 | } | |
1882 | ||
1883 | for (i = 0; i < vfl->num_elements; i++) { | |
1884 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1885 | aq_ret = I40E_ERR_PARAM; | |
1886 | dev_err(&pf->pdev->dev, | |
1887 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); | |
1888 | goto error_param; | |
1889 | } | |
1890 | } | |
fdf0e0bf | 1891 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1892 | if (vsi->info.pvid) { |
1893 | aq_ret = I40E_ERR_PARAM; | |
1894 | goto error_param; | |
1895 | } | |
1896 | ||
1897 | i40e_vlan_stripping_enable(vsi); | |
1898 | for (i = 0; i < vfl->num_elements; i++) { | |
1899 | /* add new VLAN filter */ | |
1900 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); | |
6995b36c | 1901 | |
5c3c48ac JB |
1902 | if (ret) |
1903 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1904 | "Unable to add VLAN filter %d for VF %d, error %d\n", |
1905 | vfl->vlan_id[i], vf->vf_id, ret); | |
5c3c48ac JB |
1906 | } |
1907 | ||
1908 | error_param: | |
b40c82e6 | 1909 | /* send the response to the VF */ |
5c3c48ac JB |
1910 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret); |
1911 | } | |
1912 | ||
1913 | /** | |
1914 | * i40e_vc_remove_vlan_msg | |
b40c82e6 | 1915 | * @vf: pointer to the VF info |
5c3c48ac JB |
1916 | * @msg: pointer to the msg buffer |
1917 | * @msglen: msg length | |
1918 | * | |
1919 | * remove programmed guest vlan id | |
1920 | **/ | |
1921 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1922 | { | |
1923 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1924 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1925 | struct i40e_pf *pf = vf->pf; | |
1926 | struct i40e_vsi *vsi = NULL; | |
1927 | u16 vsi_id = vfl->vsi_id; | |
1928 | i40e_status aq_ret = 0; | |
1929 | int i; | |
1930 | ||
1931 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1932 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1933 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1934 | aq_ret = I40E_ERR_PARAM; | |
1935 | goto error_param; | |
1936 | } | |
1937 | ||
1938 | for (i = 0; i < vfl->num_elements; i++) { | |
1939 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1940 | aq_ret = I40E_ERR_PARAM; | |
1941 | goto error_param; | |
1942 | } | |
1943 | } | |
1944 | ||
fdf0e0bf | 1945 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1946 | if (vsi->info.pvid) { |
1947 | aq_ret = I40E_ERR_PARAM; | |
1948 | goto error_param; | |
1949 | } | |
1950 | ||
1951 | for (i = 0; i < vfl->num_elements; i++) { | |
1952 | int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); | |
6995b36c | 1953 | |
5c3c48ac JB |
1954 | if (ret) |
1955 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1956 | "Unable to delete VLAN filter %d for VF %d, error %d\n", |
1957 | vfl->vlan_id[i], vf->vf_id, ret); | |
5c3c48ac JB |
1958 | } |
1959 | ||
1960 | error_param: | |
b40c82e6 | 1961 | /* send the response to the VF */ |
5c3c48ac JB |
1962 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret); |
1963 | } | |
1964 | ||
e3219ce6 ASJ |
1965 | /** |
1966 | * i40e_vc_iwarp_msg | |
1967 | * @vf: pointer to the VF info | |
1968 | * @msg: pointer to the msg buffer | |
1969 | * @msglen: msg length | |
1970 | * | |
1971 | * called from the VF for the iwarp msgs | |
1972 | **/ | |
1973 | static int i40e_vc_iwarp_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1974 | { | |
1975 | struct i40e_pf *pf = vf->pf; | |
1976 | int abs_vf_id = vf->vf_id + pf->hw.func_caps.vf_base_id; | |
1977 | i40e_status aq_ret = 0; | |
1978 | ||
1979 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1980 | !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) { | |
1981 | aq_ret = I40E_ERR_PARAM; | |
1982 | goto error_param; | |
1983 | } | |
1984 | ||
1985 | i40e_notify_client_of_vf_msg(pf->vsi[pf->lan_vsi], abs_vf_id, | |
1986 | msg, msglen); | |
1987 | ||
1988 | error_param: | |
1989 | /* send the response to the VF */ | |
1990 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_IWARP, | |
1991 | aq_ret); | |
1992 | } | |
1993 | ||
1994 | /** | |
1995 | * i40e_vc_iwarp_qvmap_msg | |
1996 | * @vf: pointer to the VF info | |
1997 | * @msg: pointer to the msg buffer | |
1998 | * @msglen: msg length | |
1999 | * @config: config qvmap or release it | |
2000 | * | |
2001 | * called from the VF for the iwarp msgs | |
2002 | **/ | |
2003 | static int i40e_vc_iwarp_qvmap_msg(struct i40e_vf *vf, u8 *msg, u16 msglen, | |
2004 | bool config) | |
2005 | { | |
2006 | struct i40e_virtchnl_iwarp_qvlist_info *qvlist_info = | |
2007 | (struct i40e_virtchnl_iwarp_qvlist_info *)msg; | |
2008 | i40e_status aq_ret = 0; | |
2009 | ||
2010 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
2011 | !test_bit(I40E_VF_STAT_IWARPENA, &vf->vf_states)) { | |
2012 | aq_ret = I40E_ERR_PARAM; | |
2013 | goto error_param; | |
2014 | } | |
2015 | ||
2016 | if (config) { | |
2017 | if (i40e_config_iwarp_qvlist(vf, qvlist_info)) | |
2018 | aq_ret = I40E_ERR_PARAM; | |
2019 | } else { | |
2020 | i40e_release_iwarp_qvlist(vf); | |
2021 | } | |
2022 | ||
2023 | error_param: | |
2024 | /* send the response to the VF */ | |
2025 | return i40e_vc_send_resp_to_vf(vf, | |
2026 | config ? I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP : | |
2027 | I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP, | |
2028 | aq_ret); | |
2029 | } | |
2030 | ||
5c3c48ac JB |
2031 | /** |
2032 | * i40e_vc_validate_vf_msg | |
b40c82e6 | 2033 | * @vf: pointer to the VF info |
5c3c48ac JB |
2034 | * @msg: pointer to the msg buffer |
2035 | * @msglen: msg length | |
2036 | * @msghndl: msg handle | |
2037 | * | |
2038 | * validate msg | |
2039 | **/ | |
2040 | static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, | |
2041 | u32 v_retval, u8 *msg, u16 msglen) | |
2042 | { | |
2043 | bool err_msg_format = false; | |
2044 | int valid_len; | |
2045 | ||
2046 | /* Check if VF is disabled. */ | |
2047 | if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states)) | |
2048 | return I40E_ERR_PARAM; | |
2049 | ||
2050 | /* Validate message length. */ | |
2051 | switch (v_opcode) { | |
2052 | case I40E_VIRTCHNL_OP_VERSION: | |
2053 | valid_len = sizeof(struct i40e_virtchnl_version_info); | |
2054 | break; | |
2055 | case I40E_VIRTCHNL_OP_RESET_VF: | |
5c3c48ac JB |
2056 | valid_len = 0; |
2057 | break; | |
f4ca1a22 MW |
2058 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: |
2059 | if (VF_IS_V11(vf)) | |
2060 | valid_len = sizeof(u32); | |
2061 | else | |
2062 | valid_len = 0; | |
2063 | break; | |
5c3c48ac JB |
2064 | case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE: |
2065 | valid_len = sizeof(struct i40e_virtchnl_txq_info); | |
2066 | break; | |
2067 | case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE: | |
2068 | valid_len = sizeof(struct i40e_virtchnl_rxq_info); | |
2069 | break; | |
2070 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
2071 | valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info); | |
2072 | if (msglen >= valid_len) { | |
2073 | struct i40e_virtchnl_vsi_queue_config_info *vqc = | |
2074 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
2075 | valid_len += (vqc->num_queue_pairs * | |
2076 | sizeof(struct | |
2077 | i40e_virtchnl_queue_pair_info)); | |
2078 | if (vqc->num_queue_pairs == 0) | |
2079 | err_msg_format = true; | |
2080 | } | |
2081 | break; | |
2082 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
2083 | valid_len = sizeof(struct i40e_virtchnl_irq_map_info); | |
2084 | if (msglen >= valid_len) { | |
2085 | struct i40e_virtchnl_irq_map_info *vimi = | |
2086 | (struct i40e_virtchnl_irq_map_info *)msg; | |
2087 | valid_len += (vimi->num_vectors * | |
2088 | sizeof(struct i40e_virtchnl_vector_map)); | |
2089 | if (vimi->num_vectors == 0) | |
2090 | err_msg_format = true; | |
2091 | } | |
2092 | break; | |
2093 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
2094 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
2095 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
2096 | break; | |
2097 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
2098 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
2099 | valid_len = sizeof(struct i40e_virtchnl_ether_addr_list); | |
2100 | if (msglen >= valid_len) { | |
2101 | struct i40e_virtchnl_ether_addr_list *veal = | |
2102 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
2103 | valid_len += veal->num_elements * | |
2104 | sizeof(struct i40e_virtchnl_ether_addr); | |
2105 | if (veal->num_elements == 0) | |
2106 | err_msg_format = true; | |
2107 | } | |
2108 | break; | |
2109 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
2110 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
2111 | valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list); | |
2112 | if (msglen >= valid_len) { | |
2113 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
2114 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
2115 | valid_len += vfl->num_elements * sizeof(u16); | |
2116 | if (vfl->num_elements == 0) | |
2117 | err_msg_format = true; | |
2118 | } | |
2119 | break; | |
2120 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
2121 | valid_len = sizeof(struct i40e_virtchnl_promisc_info); | |
2122 | break; | |
2123 | case I40E_VIRTCHNL_OP_GET_STATS: | |
2124 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
2125 | break; | |
e3219ce6 ASJ |
2126 | case I40E_VIRTCHNL_OP_IWARP: |
2127 | /* These messages are opaque to us and will be validated in | |
2128 | * the RDMA client code. We just need to check for nonzero | |
2129 | * length. The firmware will enforce max length restrictions. | |
2130 | */ | |
2131 | if (msglen) | |
2132 | valid_len = msglen; | |
2133 | else | |
2134 | err_msg_format = true; | |
2135 | break; | |
2136 | case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP: | |
2137 | valid_len = 0; | |
2138 | break; | |
2139 | case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: | |
2140 | valid_len = sizeof(struct i40e_virtchnl_iwarp_qvlist_info); | |
2141 | if (msglen >= valid_len) { | |
2142 | struct i40e_virtchnl_iwarp_qvlist_info *qv = | |
2143 | (struct i40e_virtchnl_iwarp_qvlist_info *)msg; | |
2144 | if (qv->num_vectors == 0) { | |
2145 | err_msg_format = true; | |
2146 | break; | |
2147 | } | |
2148 | valid_len += ((qv->num_vectors - 1) * | |
2149 | sizeof(struct i40e_virtchnl_iwarp_qv_info)); | |
2150 | } | |
2151 | break; | |
5c3c48ac JB |
2152 | /* These are always errors coming from the VF. */ |
2153 | case I40E_VIRTCHNL_OP_EVENT: | |
2154 | case I40E_VIRTCHNL_OP_UNKNOWN: | |
2155 | default: | |
2156 | return -EPERM; | |
5c3c48ac JB |
2157 | } |
2158 | /* few more checks */ | |
2159 | if ((valid_len != msglen) || (err_msg_format)) { | |
2160 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); | |
2161 | return -EINVAL; | |
2162 | } else { | |
2163 | return 0; | |
2164 | } | |
2165 | } | |
2166 | ||
2167 | /** | |
2168 | * i40e_vc_process_vf_msg | |
b40c82e6 JK |
2169 | * @pf: pointer to the PF structure |
2170 | * @vf_id: source VF id | |
5c3c48ac JB |
2171 | * @msg: pointer to the msg buffer |
2172 | * @msglen: msg length | |
2173 | * @msghndl: msg handle | |
2174 | * | |
2175 | * called from the common aeq/arq handler to | |
b40c82e6 | 2176 | * process request from VF |
5c3c48ac JB |
2177 | **/ |
2178 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, | |
2179 | u32 v_retval, u8 *msg, u16 msglen) | |
2180 | { | |
5c3c48ac | 2181 | struct i40e_hw *hw = &pf->hw; |
c243e963 | 2182 | unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; |
6c1b5bff | 2183 | struct i40e_vf *vf; |
5c3c48ac JB |
2184 | int ret; |
2185 | ||
2186 | pf->vf_aq_requests++; | |
7efa84b7 | 2187 | if (local_vf_id >= pf->num_alloc_vfs) |
6c1b5bff | 2188 | return -EINVAL; |
7efa84b7 | 2189 | vf = &(pf->vf[local_vf_id]); |
5c3c48ac JB |
2190 | /* perform basic checks on the msg */ |
2191 | ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); | |
2192 | ||
2193 | if (ret) { | |
b40c82e6 | 2194 | dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n", |
7efa84b7 | 2195 | local_vf_id, v_opcode, msglen); |
5c3c48ac JB |
2196 | return ret; |
2197 | } | |
bae3cae4 | 2198 | |
5c3c48ac JB |
2199 | switch (v_opcode) { |
2200 | case I40E_VIRTCHNL_OP_VERSION: | |
f4ca1a22 | 2201 | ret = i40e_vc_get_version_msg(vf, msg); |
5c3c48ac JB |
2202 | break; |
2203 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: | |
f4ca1a22 | 2204 | ret = i40e_vc_get_vf_resources_msg(vf, msg); |
5c3c48ac JB |
2205 | break; |
2206 | case I40E_VIRTCHNL_OP_RESET_VF: | |
fc18eaa0 MW |
2207 | i40e_vc_reset_vf_msg(vf); |
2208 | ret = 0; | |
5c3c48ac JB |
2209 | break; |
2210 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
2211 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); | |
2212 | break; | |
2213 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
2214 | ret = i40e_vc_config_queues_msg(vf, msg, msglen); | |
2215 | break; | |
2216 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
2217 | ret = i40e_vc_config_irq_map_msg(vf, msg, msglen); | |
2218 | break; | |
2219 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
2220 | ret = i40e_vc_enable_queues_msg(vf, msg, msglen); | |
055b295d | 2221 | i40e_vc_notify_vf_link_state(vf); |
5c3c48ac JB |
2222 | break; |
2223 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
2224 | ret = i40e_vc_disable_queues_msg(vf, msg, msglen); | |
2225 | break; | |
2226 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
2227 | ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen); | |
2228 | break; | |
2229 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
2230 | ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen); | |
2231 | break; | |
2232 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
2233 | ret = i40e_vc_add_vlan_msg(vf, msg, msglen); | |
2234 | break; | |
2235 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
2236 | ret = i40e_vc_remove_vlan_msg(vf, msg, msglen); | |
2237 | break; | |
2238 | case I40E_VIRTCHNL_OP_GET_STATS: | |
2239 | ret = i40e_vc_get_stats_msg(vf, msg, msglen); | |
2240 | break; | |
e3219ce6 ASJ |
2241 | case I40E_VIRTCHNL_OP_IWARP: |
2242 | ret = i40e_vc_iwarp_msg(vf, msg, msglen); | |
2243 | break; | |
2244 | case I40E_VIRTCHNL_OP_CONFIG_IWARP_IRQ_MAP: | |
2245 | ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, true); | |
2246 | break; | |
2247 | case I40E_VIRTCHNL_OP_RELEASE_IWARP_IRQ_MAP: | |
2248 | ret = i40e_vc_iwarp_qvmap_msg(vf, msg, msglen, false); | |
2249 | break; | |
5c3c48ac JB |
2250 | case I40E_VIRTCHNL_OP_UNKNOWN: |
2251 | default: | |
b40c82e6 | 2252 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n", |
7efa84b7 | 2253 | v_opcode, local_vf_id); |
5c3c48ac JB |
2254 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
2255 | I40E_ERR_NOT_IMPLEMENTED); | |
2256 | break; | |
2257 | } | |
2258 | ||
2259 | return ret; | |
2260 | } | |
2261 | ||
2262 | /** | |
2263 | * i40e_vc_process_vflr_event | |
b40c82e6 | 2264 | * @pf: pointer to the PF structure |
5c3c48ac JB |
2265 | * |
2266 | * called from the vlfr irq handler to | |
b40c82e6 | 2267 | * free up VF resources and state variables |
5c3c48ac JB |
2268 | **/ |
2269 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) | |
2270 | { | |
2271 | u32 reg, reg_idx, bit_idx, vf_id; | |
2272 | struct i40e_hw *hw = &pf->hw; | |
2273 | struct i40e_vf *vf; | |
2274 | ||
2275 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state)) | |
2276 | return 0; | |
2277 | ||
0d790327 MW |
2278 | /* Re-enable the VFLR interrupt cause here, before looking for which |
2279 | * VF got reset. Otherwise, if another VF gets a reset while the | |
2280 | * first one is being processed, that interrupt will be lost, and | |
2281 | * that VF will be stuck in reset forever. | |
2282 | */ | |
c5c2f7c3 MW |
2283 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); |
2284 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; | |
2285 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); | |
2286 | i40e_flush(hw); | |
2287 | ||
5c3c48ac JB |
2288 | clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state); |
2289 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { | |
2290 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
2291 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
b40c82e6 | 2292 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ |
5c3c48ac JB |
2293 | vf = &pf->vf[vf_id]; |
2294 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); | |
41a1d04b | 2295 | if (reg & BIT(bit_idx)) { |
5c3c48ac | 2296 | /* clear the bit in GLGEN_VFLRSTAT */ |
41a1d04b | 2297 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
5c3c48ac | 2298 | |
eb2d80bc MW |
2299 | if (!test_bit(__I40E_DOWN, &pf->state)) |
2300 | i40e_reset_vf(vf, true); | |
5c3c48ac JB |
2301 | } |
2302 | } | |
2303 | ||
5c3c48ac JB |
2304 | return 0; |
2305 | } | |
2306 | ||
5c3c48ac JB |
2307 | /** |
2308 | * i40e_ndo_set_vf_mac | |
2309 | * @netdev: network interface device structure | |
b40c82e6 | 2310 | * @vf_id: VF identifier |
5c3c48ac JB |
2311 | * @mac: mac address |
2312 | * | |
b40c82e6 | 2313 | * program VF mac address |
5c3c48ac JB |
2314 | **/ |
2315 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) | |
2316 | { | |
2317 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2318 | struct i40e_vsi *vsi = np->vsi; | |
2319 | struct i40e_pf *pf = vsi->back; | |
2320 | struct i40e_mac_filter *f; | |
2321 | struct i40e_vf *vf; | |
2322 | int ret = 0; | |
2323 | ||
2324 | /* validate the request */ | |
2325 | if (vf_id >= pf->num_alloc_vfs) { | |
2326 | dev_err(&pf->pdev->dev, | |
2327 | "Invalid VF Identifier %d\n", vf_id); | |
2328 | ret = -EINVAL; | |
2329 | goto error_param; | |
2330 | } | |
2331 | ||
2332 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2333 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 2334 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2d166c30 MW |
2335 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
2336 | vf_id); | |
2337 | ret = -EAGAIN; | |
5c3c48ac JB |
2338 | goto error_param; |
2339 | } | |
2340 | ||
efd8e39a | 2341 | if (is_multicast_ether_addr(mac)) { |
5c3c48ac | 2342 | dev_err(&pf->pdev->dev, |
efd8e39a | 2343 | "Invalid Ethernet address %pM for VF %d\n", mac, vf_id); |
5c3c48ac JB |
2344 | ret = -EINVAL; |
2345 | goto error_param; | |
2346 | } | |
2347 | ||
21659035 KP |
2348 | /* Lock once because below invoked function add/del_filter requires |
2349 | * mac_filter_list_lock to be held | |
2350 | */ | |
2351 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
2352 | ||
5c3c48ac | 2353 | /* delete the temporary mac address */ |
efd8e39a MW |
2354 | if (!is_zero_ether_addr(vf->default_lan_addr.addr)) |
2355 | i40e_del_filter(vsi, vf->default_lan_addr.addr, | |
2356 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
2357 | true, false); | |
5c3c48ac | 2358 | |
29f71bb0 GR |
2359 | /* Delete all the filters for this VSI - we're going to kill it |
2360 | * anyway. | |
2361 | */ | |
2362 | list_for_each_entry(f, &vsi->mac_filter_list, list) | |
2363 | i40e_del_filter(vsi, f->macaddr, f->vlan, true, false); | |
5c3c48ac | 2364 | |
21659035 KP |
2365 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
2366 | ||
5c3c48ac JB |
2367 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); |
2368 | /* program mac filter */ | |
17652c63 | 2369 | if (i40e_sync_vsi_filters(vsi)) { |
5c3c48ac JB |
2370 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
2371 | ret = -EIO; | |
2372 | goto error_param; | |
2373 | } | |
9a173901 | 2374 | ether_addr_copy(vf->default_lan_addr.addr, mac); |
f657a6e1 | 2375 | vf->pf_set_mac = true; |
17413a80 GR |
2376 | /* Force the VF driver stop so it has to reload with new MAC address */ |
2377 | i40e_vc_disable_vf(pf, vf); | |
5c3c48ac | 2378 | dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); |
5c3c48ac JB |
2379 | |
2380 | error_param: | |
2381 | return ret; | |
2382 | } | |
2383 | ||
2384 | /** | |
2385 | * i40e_ndo_set_vf_port_vlan | |
2386 | * @netdev: network interface device structure | |
b40c82e6 | 2387 | * @vf_id: VF identifier |
5c3c48ac JB |
2388 | * @vlan_id: mac address |
2389 | * @qos: priority setting | |
2390 | * | |
b40c82e6 | 2391 | * program VF vlan id and/or qos |
5c3c48ac JB |
2392 | **/ |
2393 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, | |
2394 | int vf_id, u16 vlan_id, u8 qos) | |
2395 | { | |
f7fc2f2e | 2396 | u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT); |
5c3c48ac JB |
2397 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2398 | struct i40e_pf *pf = np->vsi->back; | |
21659035 | 2399 | bool is_vsi_in_vlan = false; |
5c3c48ac JB |
2400 | struct i40e_vsi *vsi; |
2401 | struct i40e_vf *vf; | |
2402 | int ret = 0; | |
2403 | ||
2404 | /* validate the request */ | |
2405 | if (vf_id >= pf->num_alloc_vfs) { | |
2406 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2407 | ret = -EINVAL; | |
2408 | goto error_pvid; | |
2409 | } | |
2410 | ||
2411 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { | |
2412 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); | |
2413 | ret = -EINVAL; | |
2414 | goto error_pvid; | |
2415 | } | |
2416 | ||
2417 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2418 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 2419 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2d166c30 MW |
2420 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
2421 | vf_id); | |
2422 | ret = -EAGAIN; | |
5c3c48ac JB |
2423 | goto error_pvid; |
2424 | } | |
2425 | ||
f7fc2f2e | 2426 | if (le16_to_cpu(vsi->info.pvid) == vlanprio) |
85927ec1 MW |
2427 | /* duplicate request, so just return success */ |
2428 | goto error_pvid; | |
2429 | ||
21659035 KP |
2430 | spin_lock_bh(&vsi->mac_filter_list_lock); |
2431 | is_vsi_in_vlan = i40e_is_vsi_in_vlan(vsi); | |
2432 | spin_unlock_bh(&vsi->mac_filter_list_lock); | |
2433 | ||
2434 | if (le16_to_cpu(vsi->info.pvid) == 0 && is_vsi_in_vlan) { | |
99a4973c GR |
2435 | dev_err(&pf->pdev->dev, |
2436 | "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", | |
2437 | vf_id); | |
f9b4b627 GR |
2438 | /* Administrator Error - knock the VF offline until he does |
2439 | * the right thing by reconfiguring his network correctly | |
2440 | * and then reloading the VF driver. | |
2441 | */ | |
2442 | i40e_vc_disable_vf(pf, vf); | |
35f3472a MW |
2443 | /* During reset the VF got a new VSI, so refresh the pointer. */ |
2444 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
f9b4b627 | 2445 | } |
99a4973c | 2446 | |
8d82a7c5 GR |
2447 | /* Check for condition where there was already a port VLAN ID |
2448 | * filter set and now it is being deleted by setting it to zero. | |
1315f7c3 GR |
2449 | * Additionally check for the condition where there was a port |
2450 | * VLAN but now there is a new and different port VLAN being set. | |
8d82a7c5 GR |
2451 | * Before deleting all the old VLAN filters we must add new ones |
2452 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our | |
2453 | * MAC addresses deleted. | |
2454 | */ | |
1315f7c3 | 2455 | if ((!(vlan_id || qos) || |
f7fc2f2e | 2456 | vlanprio != le16_to_cpu(vsi->info.pvid)) && |
1315f7c3 | 2457 | vsi->info.pvid) |
8d82a7c5 GR |
2458 | ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); |
2459 | ||
5c3c48ac JB |
2460 | if (vsi->info.pvid) { |
2461 | /* kill old VLAN */ | |
2462 | ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & | |
2463 | VLAN_VID_MASK)); | |
2464 | if (ret) { | |
2465 | dev_info(&vsi->back->pdev->dev, | |
2466 | "remove VLAN failed, ret=%d, aq_err=%d\n", | |
2467 | ret, pf->hw.aq.asq_last_status); | |
2468 | } | |
2469 | } | |
2470 | if (vlan_id || qos) | |
f7fc2f2e | 2471 | ret = i40e_vsi_add_pvid(vsi, vlanprio); |
5c3c48ac | 2472 | else |
6c12fcbf | 2473 | i40e_vsi_remove_pvid(vsi); |
5c3c48ac JB |
2474 | |
2475 | if (vlan_id) { | |
2476 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", | |
2477 | vlan_id, qos, vf_id); | |
2478 | ||
2479 | /* add new VLAN filter */ | |
2480 | ret = i40e_vsi_add_vlan(vsi, vlan_id); | |
2481 | if (ret) { | |
2482 | dev_info(&vsi->back->pdev->dev, | |
2483 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, | |
2484 | vsi->back->hw.aq.asq_last_status); | |
2485 | goto error_pvid; | |
2486 | } | |
8d82a7c5 GR |
2487 | /* Kill non-vlan MAC filters - ignore error return since |
2488 | * there might not be any non-vlan MAC filters. | |
2489 | */ | |
2490 | i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); | |
5c3c48ac JB |
2491 | } |
2492 | ||
2493 | if (ret) { | |
2494 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); | |
2495 | goto error_pvid; | |
2496 | } | |
6c12fcbf GR |
2497 | /* The Port VLAN needs to be saved across resets the same as the |
2498 | * default LAN MAC address. | |
2499 | */ | |
2500 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); | |
5c3c48ac JB |
2501 | ret = 0; |
2502 | ||
2503 | error_pvid: | |
2504 | return ret; | |
2505 | } | |
2506 | ||
84590fd9 MW |
2507 | #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ |
2508 | #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */ | |
5c3c48ac JB |
2509 | /** |
2510 | * i40e_ndo_set_vf_bw | |
2511 | * @netdev: network interface device structure | |
b40c82e6 JK |
2512 | * @vf_id: VF identifier |
2513 | * @tx_rate: Tx rate | |
5c3c48ac | 2514 | * |
b40c82e6 | 2515 | * configure VF Tx rate |
5c3c48ac | 2516 | **/ |
ed616689 SC |
2517 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, |
2518 | int max_tx_rate) | |
5c3c48ac | 2519 | { |
6b192891 MW |
2520 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2521 | struct i40e_pf *pf = np->vsi->back; | |
2522 | struct i40e_vsi *vsi; | |
2523 | struct i40e_vf *vf; | |
2524 | int speed = 0; | |
2525 | int ret = 0; | |
2526 | ||
2527 | /* validate the request */ | |
2528 | if (vf_id >= pf->num_alloc_vfs) { | |
2529 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); | |
2530 | ret = -EINVAL; | |
2531 | goto error; | |
2532 | } | |
2533 | ||
ed616689 | 2534 | if (min_tx_rate) { |
b40c82e6 | 2535 | dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n", |
ed616689 SC |
2536 | min_tx_rate, vf_id); |
2537 | return -EINVAL; | |
2538 | } | |
2539 | ||
6b192891 | 2540 | vf = &(pf->vf[vf_id]); |
fdf0e0bf | 2541 | vsi = pf->vsi[vf->lan_vsi_idx]; |
6b192891 | 2542 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2d166c30 MW |
2543 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
2544 | vf_id); | |
2545 | ret = -EAGAIN; | |
6b192891 MW |
2546 | goto error; |
2547 | } | |
2548 | ||
2549 | switch (pf->hw.phy.link_info.link_speed) { | |
2550 | case I40E_LINK_SPEED_40GB: | |
2551 | speed = 40000; | |
2552 | break; | |
07f169c3 MW |
2553 | case I40E_LINK_SPEED_20GB: |
2554 | speed = 20000; | |
2555 | break; | |
6b192891 MW |
2556 | case I40E_LINK_SPEED_10GB: |
2557 | speed = 10000; | |
2558 | break; | |
2559 | case I40E_LINK_SPEED_1GB: | |
2560 | speed = 1000; | |
2561 | break; | |
2562 | default: | |
2563 | break; | |
2564 | } | |
2565 | ||
ed616689 | 2566 | if (max_tx_rate > speed) { |
b40c82e6 | 2567 | dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.", |
ed616689 | 2568 | max_tx_rate, vf->vf_id); |
6b192891 MW |
2569 | ret = -EINVAL; |
2570 | goto error; | |
2571 | } | |
2572 | ||
dac9b31a MW |
2573 | if ((max_tx_rate < 50) && (max_tx_rate > 0)) { |
2574 | dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n"); | |
2575 | max_tx_rate = 50; | |
2576 | } | |
2577 | ||
6b192891 | 2578 | /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ |
84590fd9 MW |
2579 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
2580 | max_tx_rate / I40E_BW_CREDIT_DIVISOR, | |
2581 | I40E_MAX_BW_INACTIVE_ACCUM, NULL); | |
6b192891 | 2582 | if (ret) { |
ed616689 | 2583 | dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n", |
6b192891 MW |
2584 | ret); |
2585 | ret = -EIO; | |
2586 | goto error; | |
2587 | } | |
ed616689 | 2588 | vf->tx_rate = max_tx_rate; |
6b192891 MW |
2589 | error: |
2590 | return ret; | |
5c3c48ac JB |
2591 | } |
2592 | ||
2593 | /** | |
2594 | * i40e_ndo_get_vf_config | |
2595 | * @netdev: network interface device structure | |
b40c82e6 JK |
2596 | * @vf_id: VF identifier |
2597 | * @ivi: VF configuration structure | |
5c3c48ac | 2598 | * |
b40c82e6 | 2599 | * return VF configuration |
5c3c48ac JB |
2600 | **/ |
2601 | int i40e_ndo_get_vf_config(struct net_device *netdev, | |
2602 | int vf_id, struct ifla_vf_info *ivi) | |
2603 | { | |
2604 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
5c3c48ac JB |
2605 | struct i40e_vsi *vsi = np->vsi; |
2606 | struct i40e_pf *pf = vsi->back; | |
2607 | struct i40e_vf *vf; | |
2608 | int ret = 0; | |
2609 | ||
2610 | /* validate the request */ | |
2611 | if (vf_id >= pf->num_alloc_vfs) { | |
2612 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2613 | ret = -EINVAL; | |
2614 | goto error_param; | |
2615 | } | |
2616 | ||
2617 | vf = &(pf->vf[vf_id]); | |
2618 | /* first vsi is always the LAN vsi */ | |
fdf0e0bf | 2619 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 2620 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2d166c30 MW |
2621 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", |
2622 | vf_id); | |
2623 | ret = -EAGAIN; | |
5c3c48ac JB |
2624 | goto error_param; |
2625 | } | |
2626 | ||
2627 | ivi->vf = vf_id; | |
2628 | ||
6995b36c | 2629 | ether_addr_copy(ivi->mac, vf->default_lan_addr.addr); |
5c3c48ac | 2630 | |
ed616689 SC |
2631 | ivi->max_tx_rate = vf->tx_rate; |
2632 | ivi->min_tx_rate = 0; | |
5c3c48ac JB |
2633 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; |
2634 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> | |
2635 | I40E_VLAN_PRIORITY_SHIFT; | |
84ca55a0 MW |
2636 | if (vf->link_forced == false) |
2637 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; | |
2638 | else if (vf->link_up == true) | |
2639 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; | |
2640 | else | |
2641 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; | |
c674d125 | 2642 | ivi->spoofchk = vf->spoofchk; |
5c3c48ac JB |
2643 | ret = 0; |
2644 | ||
2645 | error_param: | |
2646 | return ret; | |
2647 | } | |
588aefa0 MW |
2648 | |
2649 | /** | |
2650 | * i40e_ndo_set_vf_link_state | |
2651 | * @netdev: network interface device structure | |
b40c82e6 | 2652 | * @vf_id: VF identifier |
588aefa0 MW |
2653 | * @link: required link state |
2654 | * | |
2655 | * Set the link state of a specified VF, regardless of physical link state | |
2656 | **/ | |
2657 | int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) | |
2658 | { | |
2659 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2660 | struct i40e_pf *pf = np->vsi->back; | |
2661 | struct i40e_virtchnl_pf_event pfe; | |
2662 | struct i40e_hw *hw = &pf->hw; | |
2663 | struct i40e_vf *vf; | |
f19efbb5 | 2664 | int abs_vf_id; |
588aefa0 MW |
2665 | int ret = 0; |
2666 | ||
2667 | /* validate the request */ | |
2668 | if (vf_id >= pf->num_alloc_vfs) { | |
2669 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2670 | ret = -EINVAL; | |
2671 | goto error_out; | |
2672 | } | |
2673 | ||
2674 | vf = &pf->vf[vf_id]; | |
f19efbb5 | 2675 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
588aefa0 MW |
2676 | |
2677 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; | |
2678 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; | |
2679 | ||
2680 | switch (link) { | |
2681 | case IFLA_VF_LINK_STATE_AUTO: | |
2682 | vf->link_forced = false; | |
2683 | pfe.event_data.link_event.link_status = | |
2684 | pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; | |
2685 | pfe.event_data.link_event.link_speed = | |
2686 | pf->hw.phy.link_info.link_speed; | |
2687 | break; | |
2688 | case IFLA_VF_LINK_STATE_ENABLE: | |
2689 | vf->link_forced = true; | |
2690 | vf->link_up = true; | |
2691 | pfe.event_data.link_event.link_status = true; | |
2692 | pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB; | |
2693 | break; | |
2694 | case IFLA_VF_LINK_STATE_DISABLE: | |
2695 | vf->link_forced = true; | |
2696 | vf->link_up = false; | |
2697 | pfe.event_data.link_event.link_status = false; | |
2698 | pfe.event_data.link_event.link_speed = 0; | |
2699 | break; | |
2700 | default: | |
2701 | ret = -EINVAL; | |
2702 | goto error_out; | |
2703 | } | |
2704 | /* Notify the VF of its new link state */ | |
f19efbb5 | 2705 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
588aefa0 MW |
2706 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
2707 | ||
2708 | error_out: | |
2709 | return ret; | |
2710 | } | |
c674d125 MW |
2711 | |
2712 | /** | |
2713 | * i40e_ndo_set_vf_spoofchk | |
2714 | * @netdev: network interface device structure | |
b40c82e6 | 2715 | * @vf_id: VF identifier |
c674d125 MW |
2716 | * @enable: flag to enable or disable feature |
2717 | * | |
2718 | * Enable or disable VF spoof checking | |
2719 | **/ | |
e6d9004d | 2720 | int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable) |
c674d125 MW |
2721 | { |
2722 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2723 | struct i40e_vsi *vsi = np->vsi; | |
2724 | struct i40e_pf *pf = vsi->back; | |
2725 | struct i40e_vsi_context ctxt; | |
2726 | struct i40e_hw *hw = &pf->hw; | |
2727 | struct i40e_vf *vf; | |
2728 | int ret = 0; | |
2729 | ||
2730 | /* validate the request */ | |
2731 | if (vf_id >= pf->num_alloc_vfs) { | |
2732 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2733 | ret = -EINVAL; | |
2734 | goto out; | |
2735 | } | |
2736 | ||
2737 | vf = &(pf->vf[vf_id]); | |
2d166c30 MW |
2738 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2739 | dev_err(&pf->pdev->dev, "VF %d still in reset. Try again.\n", | |
2740 | vf_id); | |
2741 | ret = -EAGAIN; | |
2742 | goto out; | |
2743 | } | |
c674d125 MW |
2744 | |
2745 | if (enable == vf->spoofchk) | |
2746 | goto out; | |
2747 | ||
2748 | vf->spoofchk = enable; | |
2749 | memset(&ctxt, 0, sizeof(ctxt)); | |
fdf0e0bf | 2750 | ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid; |
c674d125 MW |
2751 | ctxt.pf_num = pf->hw.pf_id; |
2752 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); | |
2753 | if (enable) | |
30d71af5 GR |
2754 | ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | |
2755 | I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); | |
c674d125 MW |
2756 | ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); |
2757 | if (ret) { | |
2758 | dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", | |
2759 | ret); | |
2760 | ret = -EIO; | |
2761 | } | |
2762 | out: | |
2763 | return ret; | |
2764 | } |