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5c3c48ac JB |
1 | /******************************************************************************* |
2 | * | |
3 | * Intel Ethernet Controller XL710 Family Linux Driver | |
51616018 | 4 | * Copyright(c) 2013 - 2015 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 | ||
354 | /** | |
355 | * i40e_config_vsi_tx_queue | |
b40c82e6 | 356 | * @vf: pointer to the VF info |
fdf0e0bf | 357 | * @vsi_id: id of VSI as provided by the FW |
5c3c48ac JB |
358 | * @vsi_queue_id: vsi relative queue index |
359 | * @info: config. info | |
360 | * | |
361 | * configure tx queue | |
362 | **/ | |
fdf0e0bf | 363 | static int i40e_config_vsi_tx_queue(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
364 | u16 vsi_queue_id, |
365 | struct i40e_virtchnl_txq_info *info) | |
366 | { | |
367 | struct i40e_pf *pf = vf->pf; | |
368 | struct i40e_hw *hw = &pf->hw; | |
369 | struct i40e_hmc_obj_txq tx_ctx; | |
fdf0e0bf | 370 | struct i40e_vsi *vsi; |
5c3c48ac JB |
371 | u16 pf_queue_id; |
372 | u32 qtx_ctl; | |
373 | int ret = 0; | |
374 | ||
fdf0e0bf ASJ |
375 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
376 | vsi = i40e_find_vsi_from_id(pf, vsi_id); | |
5c3c48ac JB |
377 | |
378 | /* clear the context structure first */ | |
379 | memset(&tx_ctx, 0, sizeof(struct i40e_hmc_obj_txq)); | |
380 | ||
381 | /* only set the required fields */ | |
382 | tx_ctx.base = info->dma_ring_addr / 128; | |
383 | tx_ctx.qlen = info->ring_len; | |
fdf0e0bf | 384 | tx_ctx.rdylist = le16_to_cpu(vsi->info.qs_handle[0]); |
5c3c48ac | 385 | tx_ctx.rdylist_act = 0; |
5d29896a AS |
386 | tx_ctx.head_wb_ena = info->headwb_enabled; |
387 | tx_ctx.head_wb_addr = info->dma_headwb_addr; | |
5c3c48ac JB |
388 | |
389 | /* clear the context in the HMC */ | |
390 | ret = i40e_clear_lan_tx_queue_context(hw, pf_queue_id); | |
391 | if (ret) { | |
392 | dev_err(&pf->pdev->dev, | |
393 | "Failed to clear VF LAN Tx queue context %d, error: %d\n", | |
394 | pf_queue_id, ret); | |
395 | ret = -ENOENT; | |
396 | goto error_context; | |
397 | } | |
398 | ||
399 | /* set the context in the HMC */ | |
400 | ret = i40e_set_lan_tx_queue_context(hw, pf_queue_id, &tx_ctx); | |
401 | if (ret) { | |
402 | dev_err(&pf->pdev->dev, | |
403 | "Failed to set VF LAN Tx queue context %d error: %d\n", | |
404 | pf_queue_id, ret); | |
405 | ret = -ENOENT; | |
406 | goto error_context; | |
407 | } | |
408 | ||
409 | /* associate this queue with the PCI VF function */ | |
410 | qtx_ctl = I40E_QTX_CTL_VF_QUEUE; | |
13fd9774 | 411 | qtx_ctl |= ((hw->pf_id << I40E_QTX_CTL_PF_INDX_SHIFT) |
5c3c48ac JB |
412 | & I40E_QTX_CTL_PF_INDX_MASK); |
413 | qtx_ctl |= (((vf->vf_id + hw->func_caps.vf_base_id) | |
414 | << I40E_QTX_CTL_VFVM_INDX_SHIFT) | |
415 | & I40E_QTX_CTL_VFVM_INDX_MASK); | |
416 | wr32(hw, I40E_QTX_CTL(pf_queue_id), qtx_ctl); | |
417 | i40e_flush(hw); | |
418 | ||
419 | error_context: | |
420 | return ret; | |
421 | } | |
422 | ||
423 | /** | |
424 | * i40e_config_vsi_rx_queue | |
b40c82e6 | 425 | * @vf: pointer to the VF info |
fdf0e0bf | 426 | * @vsi_id: id of VSI as provided by the FW |
5c3c48ac JB |
427 | * @vsi_queue_id: vsi relative queue index |
428 | * @info: config. info | |
429 | * | |
430 | * configure rx queue | |
431 | **/ | |
fdf0e0bf | 432 | static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, |
5c3c48ac JB |
433 | u16 vsi_queue_id, |
434 | struct i40e_virtchnl_rxq_info *info) | |
435 | { | |
436 | struct i40e_pf *pf = vf->pf; | |
437 | struct i40e_hw *hw = &pf->hw; | |
438 | struct i40e_hmc_obj_rxq rx_ctx; | |
439 | u16 pf_queue_id; | |
440 | int ret = 0; | |
441 | ||
fdf0e0bf | 442 | pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); |
5c3c48ac JB |
443 | |
444 | /* clear the context structure first */ | |
445 | memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); | |
446 | ||
447 | /* only set the required fields */ | |
448 | rx_ctx.base = info->dma_ring_addr / 128; | |
449 | rx_ctx.qlen = info->ring_len; | |
450 | ||
451 | if (info->splithdr_enabled) { | |
452 | rx_ctx.hsplit_0 = I40E_RX_SPLIT_L2 | | |
453 | I40E_RX_SPLIT_IP | | |
454 | I40E_RX_SPLIT_TCP_UDP | | |
455 | I40E_RX_SPLIT_SCTP; | |
456 | /* header length validation */ | |
457 | if (info->hdr_size > ((2 * 1024) - 64)) { | |
458 | ret = -EINVAL; | |
459 | goto error_param; | |
460 | } | |
461 | rx_ctx.hbuff = info->hdr_size >> I40E_RXQ_CTX_HBUFF_SHIFT; | |
462 | ||
463 | /* set splitalways mode 10b */ | |
464 | rx_ctx.dtype = 0x2; | |
465 | } | |
466 | ||
467 | /* databuffer length validation */ | |
468 | if (info->databuffer_size > ((16 * 1024) - 128)) { | |
469 | ret = -EINVAL; | |
470 | goto error_param; | |
471 | } | |
472 | rx_ctx.dbuff = info->databuffer_size >> I40E_RXQ_CTX_DBUFF_SHIFT; | |
473 | ||
474 | /* max pkt. length validation */ | |
475 | if (info->max_pkt_size >= (16 * 1024) || info->max_pkt_size < 64) { | |
476 | ret = -EINVAL; | |
477 | goto error_param; | |
478 | } | |
479 | rx_ctx.rxmax = info->max_pkt_size; | |
480 | ||
481 | /* enable 32bytes desc always */ | |
482 | rx_ctx.dsize = 1; | |
483 | ||
484 | /* default values */ | |
5c3c48ac JB |
485 | rx_ctx.lrxqthresh = 2; |
486 | rx_ctx.crcstrip = 1; | |
50d41659 | 487 | rx_ctx.prefena = 1; |
c1d11cef | 488 | rx_ctx.l2tsel = 1; |
5c3c48ac JB |
489 | |
490 | /* clear the context in the HMC */ | |
491 | ret = i40e_clear_lan_rx_queue_context(hw, pf_queue_id); | |
492 | if (ret) { | |
493 | dev_err(&pf->pdev->dev, | |
494 | "Failed to clear VF LAN Rx queue context %d, error: %d\n", | |
495 | pf_queue_id, ret); | |
496 | ret = -ENOENT; | |
497 | goto error_param; | |
498 | } | |
499 | ||
500 | /* set the context in the HMC */ | |
501 | ret = i40e_set_lan_rx_queue_context(hw, pf_queue_id, &rx_ctx); | |
502 | if (ret) { | |
503 | dev_err(&pf->pdev->dev, | |
504 | "Failed to set VF LAN Rx queue context %d error: %d\n", | |
505 | pf_queue_id, ret); | |
506 | ret = -ENOENT; | |
507 | goto error_param; | |
508 | } | |
509 | ||
510 | error_param: | |
511 | return ret; | |
512 | } | |
513 | ||
514 | /** | |
515 | * i40e_alloc_vsi_res | |
b40c82e6 | 516 | * @vf: pointer to the VF info |
5c3c48ac JB |
517 | * @type: type of VSI to allocate |
518 | * | |
b40c82e6 | 519 | * alloc VF vsi context & resources |
5c3c48ac JB |
520 | **/ |
521 | static int i40e_alloc_vsi_res(struct i40e_vf *vf, enum i40e_vsi_type type) | |
522 | { | |
523 | struct i40e_mac_filter *f = NULL; | |
524 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac JB |
525 | struct i40e_vsi *vsi; |
526 | int ret = 0; | |
527 | ||
528 | vsi = i40e_vsi_setup(pf, type, pf->vsi[pf->lan_vsi]->seid, vf->vf_id); | |
529 | ||
530 | if (!vsi) { | |
531 | dev_err(&pf->pdev->dev, | |
b40c82e6 | 532 | "add vsi failed for VF %d, aq_err %d\n", |
5c3c48ac JB |
533 | vf->vf_id, pf->hw.aq.asq_last_status); |
534 | ret = -ENOENT; | |
535 | goto error_alloc_vsi_res; | |
536 | } | |
537 | if (type == I40E_VSI_SRIOV) { | |
1a10370a | 538 | u8 brdcast[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; |
6995b36c | 539 | |
fdf0e0bf | 540 | vf->lan_vsi_idx = vsi->idx; |
5c3c48ac | 541 | vf->lan_vsi_id = vsi->id; |
6c12fcbf GR |
542 | /* If the port VLAN has been configured and then the |
543 | * VF driver was removed then the VSI port VLAN | |
544 | * configuration was destroyed. Check if there is | |
545 | * a port VLAN and restore the VSI configuration if | |
546 | * needed. | |
547 | */ | |
548 | if (vf->port_vlan_id) | |
549 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); | |
21659035 KP |
550 | |
551 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
b7b713a8 MW |
552 | if (is_valid_ether_addr(vf->default_lan_addr.addr)) { |
553 | f = i40e_add_filter(vsi, vf->default_lan_addr.addr, | |
554 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
555 | true, false); | |
556 | if (!f) | |
557 | dev_info(&pf->pdev->dev, | |
558 | "Could not add MAC filter %pM for VF %d\n", | |
559 | vf->default_lan_addr.addr, vf->vf_id); | |
560 | } | |
e995163c MW |
561 | f = i40e_add_filter(vsi, brdcast, |
562 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
1a10370a GR |
563 | true, false); |
564 | if (!f) | |
565 | dev_info(&pf->pdev->dev, | |
566 | "Could not allocate VF broadcast filter\n"); | |
21659035 | 567 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac | 568 | } |
6dbbbfb2 | 569 | |
5c3c48ac | 570 | /* program mac filter */ |
17652c63 | 571 | ret = i40e_sync_vsi_filters(vsi); |
fd1646ee | 572 | if (ret) |
5c3c48ac | 573 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
5c3c48ac | 574 | |
6b192891 MW |
575 | /* Set VF bandwidth if specified */ |
576 | if (vf->tx_rate) { | |
577 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, | |
578 | vf->tx_rate / 50, 0, NULL); | |
579 | if (ret) | |
580 | dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", | |
581 | vf->vf_id, ret); | |
582 | } | |
583 | ||
5c3c48ac JB |
584 | error_alloc_vsi_res: |
585 | return ret; | |
586 | } | |
587 | ||
805bd5bd MW |
588 | /** |
589 | * i40e_enable_vf_mappings | |
b40c82e6 | 590 | * @vf: pointer to the VF info |
805bd5bd | 591 | * |
b40c82e6 | 592 | * enable VF mappings |
805bd5bd MW |
593 | **/ |
594 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) | |
595 | { | |
596 | struct i40e_pf *pf = vf->pf; | |
597 | struct i40e_hw *hw = &pf->hw; | |
598 | u32 reg, total_queue_pairs = 0; | |
599 | int j; | |
600 | ||
601 | /* Tell the hardware we're using noncontiguous mapping. HW requires | |
602 | * that VF queues be mapped using this method, even when they are | |
603 | * contiguous in real life | |
604 | */ | |
605 | wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), | |
606 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); | |
607 | ||
608 | /* enable VF vplan_qtable mappings */ | |
609 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; | |
610 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); | |
611 | ||
612 | /* map PF queues to VF queues */ | |
fdf0e0bf ASJ |
613 | for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) { |
614 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j); | |
6995b36c | 615 | |
805bd5bd MW |
616 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); |
617 | wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg); | |
618 | total_queue_pairs++; | |
619 | } | |
620 | ||
621 | /* map PF queues to VSI */ | |
622 | for (j = 0; j < 7; j++) { | |
fdf0e0bf | 623 | if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) { |
805bd5bd MW |
624 | reg = 0x07FF07FF; /* unused */ |
625 | } else { | |
fdf0e0bf | 626 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
627 | j * 2); |
628 | reg = qid; | |
fdf0e0bf | 629 | qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
630 | (j * 2) + 1); |
631 | reg |= qid << 16; | |
632 | } | |
633 | wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg); | |
634 | } | |
635 | ||
636 | i40e_flush(hw); | |
637 | } | |
638 | ||
639 | /** | |
640 | * i40e_disable_vf_mappings | |
b40c82e6 | 641 | * @vf: pointer to the VF info |
805bd5bd | 642 | * |
b40c82e6 | 643 | * disable VF mappings |
805bd5bd MW |
644 | **/ |
645 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) | |
646 | { | |
647 | struct i40e_pf *pf = vf->pf; | |
648 | struct i40e_hw *hw = &pf->hw; | |
649 | int i; | |
650 | ||
651 | /* disable qp mappings */ | |
652 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); | |
653 | for (i = 0; i < I40E_MAX_VSI_QP; i++) | |
654 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), | |
655 | I40E_QUEUE_END_OF_LIST); | |
656 | i40e_flush(hw); | |
657 | } | |
658 | ||
659 | /** | |
660 | * i40e_free_vf_res | |
b40c82e6 | 661 | * @vf: pointer to the VF info |
805bd5bd | 662 | * |
b40c82e6 | 663 | * free VF resources |
805bd5bd MW |
664 | **/ |
665 | static void i40e_free_vf_res(struct i40e_vf *vf) | |
666 | { | |
667 | struct i40e_pf *pf = vf->pf; | |
fc18eaa0 MW |
668 | struct i40e_hw *hw = &pf->hw; |
669 | u32 reg_idx, reg; | |
670 | int i, msix_vf; | |
805bd5bd MW |
671 | |
672 | /* free vsi & disconnect it from the parent uplink */ | |
fdf0e0bf ASJ |
673 | if (vf->lan_vsi_idx) { |
674 | i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]); | |
675 | vf->lan_vsi_idx = 0; | |
805bd5bd MW |
676 | vf->lan_vsi_id = 0; |
677 | } | |
9347eb77 MW |
678 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
679 | ||
fc18eaa0 MW |
680 | /* disable interrupts so the VF starts in a known state */ |
681 | for (i = 0; i < msix_vf; i++) { | |
682 | /* format is same for both registers */ | |
683 | if (0 == i) | |
684 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); | |
685 | else | |
686 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * | |
687 | (vf->vf_id)) | |
688 | + (i - 1)); | |
689 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); | |
690 | i40e_flush(hw); | |
691 | } | |
805bd5bd | 692 | |
fc18eaa0 MW |
693 | /* clear the irq settings */ |
694 | for (i = 0; i < msix_vf; i++) { | |
695 | /* format is same for both registers */ | |
696 | if (0 == i) | |
697 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
698 | else | |
699 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * | |
700 | (vf->vf_id)) | |
701 | + (i - 1)); | |
702 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | | |
703 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); | |
704 | wr32(hw, reg_idx, reg); | |
705 | i40e_flush(hw); | |
706 | } | |
805bd5bd MW |
707 | /* reset some of the state varibles keeping |
708 | * track of the resources | |
709 | */ | |
710 | vf->num_queue_pairs = 0; | |
711 | vf->vf_states = 0; | |
21be99ec | 712 | clear_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
805bd5bd MW |
713 | } |
714 | ||
715 | /** | |
716 | * i40e_alloc_vf_res | |
b40c82e6 | 717 | * @vf: pointer to the VF info |
805bd5bd | 718 | * |
b40c82e6 | 719 | * allocate VF resources |
805bd5bd MW |
720 | **/ |
721 | static int i40e_alloc_vf_res(struct i40e_vf *vf) | |
722 | { | |
723 | struct i40e_pf *pf = vf->pf; | |
724 | int total_queue_pairs = 0; | |
725 | int ret; | |
726 | ||
727 | /* allocate hw vsi context & associated resources */ | |
728 | ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV); | |
729 | if (ret) | |
730 | goto error_alloc; | |
fdf0e0bf | 731 | total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
805bd5bd MW |
732 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
733 | ||
734 | /* store the total qps number for the runtime | |
b40c82e6 | 735 | * VF req validation |
805bd5bd MW |
736 | */ |
737 | vf->num_queue_pairs = total_queue_pairs; | |
738 | ||
b40c82e6 | 739 | /* VF is now completely initialized */ |
805bd5bd MW |
740 | set_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
741 | ||
742 | error_alloc: | |
743 | if (ret) | |
744 | i40e_free_vf_res(vf); | |
745 | ||
746 | return ret; | |
747 | } | |
748 | ||
fc18eaa0 MW |
749 | #define VF_DEVICE_STATUS 0xAA |
750 | #define VF_TRANS_PENDING_MASK 0x20 | |
751 | /** | |
752 | * i40e_quiesce_vf_pci | |
b40c82e6 | 753 | * @vf: pointer to the VF structure |
fc18eaa0 MW |
754 | * |
755 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO | |
756 | * if the transactions never clear. | |
757 | **/ | |
758 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) | |
759 | { | |
760 | struct i40e_pf *pf = vf->pf; | |
761 | struct i40e_hw *hw = &pf->hw; | |
762 | int vf_abs_id, i; | |
763 | u32 reg; | |
764 | ||
b141d619 | 765 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
fc18eaa0 MW |
766 | |
767 | wr32(hw, I40E_PF_PCI_CIAA, | |
768 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); | |
769 | for (i = 0; i < 100; i++) { | |
770 | reg = rd32(hw, I40E_PF_PCI_CIAD); | |
771 | if ((reg & VF_TRANS_PENDING_MASK) == 0) | |
772 | return 0; | |
773 | udelay(1); | |
774 | } | |
775 | return -EIO; | |
776 | } | |
777 | ||
5c3c48ac JB |
778 | /** |
779 | * i40e_reset_vf | |
b40c82e6 | 780 | * @vf: pointer to the VF structure |
5c3c48ac JB |
781 | * @flr: VFLR was issued or not |
782 | * | |
b40c82e6 | 783 | * reset the VF |
5c3c48ac | 784 | **/ |
fc18eaa0 | 785 | void i40e_reset_vf(struct i40e_vf *vf, bool flr) |
5c3c48ac | 786 | { |
5c3c48ac JB |
787 | struct i40e_pf *pf = vf->pf; |
788 | struct i40e_hw *hw = &pf->hw; | |
5c3c48ac | 789 | bool rsd = false; |
fc18eaa0 MW |
790 | int i; |
791 | u32 reg; | |
5c3c48ac | 792 | |
3ba9bcb4 MW |
793 | if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
794 | return; | |
795 | ||
5c3c48ac | 796 | /* warn the VF */ |
5c3c48ac JB |
797 | clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
798 | ||
fc18eaa0 MW |
799 | /* In the case of a VFLR, the HW has already reset the VF and we |
800 | * just need to clean up, so don't hit the VFRTRIG register. | |
5c3c48ac JB |
801 | */ |
802 | if (!flr) { | |
b40c82e6 | 803 | /* reset VF using VPGEN_VFRTRIG reg */ |
fc18eaa0 MW |
804 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
805 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
5c3c48ac JB |
806 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
807 | i40e_flush(hw); | |
808 | } | |
809 | ||
fc18eaa0 MW |
810 | if (i40e_quiesce_vf_pci(vf)) |
811 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", | |
812 | vf->vf_id); | |
813 | ||
5c3c48ac JB |
814 | /* poll VPGEN_VFRSTAT reg to make sure |
815 | * that reset is complete | |
816 | */ | |
1750a22f MW |
817 | for (i = 0; i < 10; i++) { |
818 | /* VF reset requires driver to first reset the VF and then | |
819 | * poll the status register to make sure that the reset | |
820 | * completed successfully. Due to internal HW FIFO flushes, | |
821 | * we must wait 10ms before the register will be valid. | |
5c3c48ac | 822 | */ |
1750a22f | 823 | usleep_range(10000, 20000); |
5c3c48ac JB |
824 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
825 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { | |
826 | rsd = true; | |
827 | break; | |
828 | } | |
829 | } | |
830 | ||
57175ac1 ASJ |
831 | if (flr) |
832 | usleep_range(10000, 20000); | |
833 | ||
5c3c48ac | 834 | if (!rsd) |
fc18eaa0 | 835 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
5c3c48ac | 836 | vf->vf_id); |
fc18eaa0 | 837 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); |
5c3c48ac JB |
838 | /* clear the reset bit in the VPGEN_VFRTRIG reg */ |
839 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); | |
840 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
841 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); | |
fc18eaa0 MW |
842 | |
843 | /* On initial reset, we won't have any queues */ | |
fdf0e0bf | 844 | if (vf->lan_vsi_idx == 0) |
fc18eaa0 MW |
845 | goto complete_reset; |
846 | ||
fdf0e0bf | 847 | i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false); |
fc18eaa0 | 848 | complete_reset: |
b40c82e6 | 849 | /* reallocate VF resources to reset the VSI state */ |
fc18eaa0 | 850 | i40e_free_vf_res(vf); |
21be99ec MW |
851 | if (!i40e_alloc_vf_res(vf)) { |
852 | i40e_enable_vf_mappings(vf); | |
853 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
854 | clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
855 | } | |
5c3c48ac | 856 | /* tell the VF the reset is done */ |
fc18eaa0 | 857 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); |
5c3c48ac | 858 | i40e_flush(hw); |
3ba9bcb4 | 859 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac | 860 | } |
c354229f | 861 | |
5c3c48ac JB |
862 | /** |
863 | * i40e_free_vfs | |
b40c82e6 | 864 | * @pf: pointer to the PF structure |
5c3c48ac | 865 | * |
b40c82e6 | 866 | * free VF resources |
5c3c48ac JB |
867 | **/ |
868 | void i40e_free_vfs(struct i40e_pf *pf) | |
869 | { | |
f7414531 MW |
870 | struct i40e_hw *hw = &pf->hw; |
871 | u32 reg_idx, bit_idx; | |
872 | int i, tmp, vf_id; | |
5c3c48ac JB |
873 | |
874 | if (!pf->vf) | |
875 | return; | |
3ba9bcb4 MW |
876 | while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
877 | usleep_range(1000, 2000); | |
5c3c48ac | 878 | |
44434638 MW |
879 | for (i = 0; i < pf->num_alloc_vfs; i++) |
880 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) | |
881 | i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], | |
882 | false); | |
0325fca7 MW |
883 | |
884 | for (i = 0; i < pf->num_alloc_vfs; i++) | |
885 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) | |
886 | i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], | |
887 | false); | |
44434638 | 888 | |
6a9ddb36 MW |
889 | /* Disable IOV before freeing resources. This lets any VF drivers |
890 | * running in the host get themselves cleaned up before we yank | |
891 | * the carpet out from underneath their feet. | |
892 | */ | |
893 | if (!pci_vfs_assigned(pf->pdev)) | |
894 | pci_disable_sriov(pf->pdev); | |
6d7b967d MW |
895 | else |
896 | dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n"); | |
6a9ddb36 MW |
897 | |
898 | msleep(20); /* let any messages in transit get finished up */ | |
899 | ||
b40c82e6 | 900 | /* free up VF resources */ |
6c1b5bff MW |
901 | tmp = pf->num_alloc_vfs; |
902 | pf->num_alloc_vfs = 0; | |
903 | for (i = 0; i < tmp; i++) { | |
5c3c48ac JB |
904 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) |
905 | i40e_free_vf_res(&pf->vf[i]); | |
906 | /* disable qp mappings */ | |
907 | i40e_disable_vf_mappings(&pf->vf[i]); | |
908 | } | |
909 | ||
910 | kfree(pf->vf); | |
911 | pf->vf = NULL; | |
5c3c48ac | 912 | |
9e5634df MW |
913 | /* This check is for when the driver is unloaded while VFs are |
914 | * assigned. Setting the number of VFs to 0 through sysfs is caught | |
915 | * before this function ever gets called. | |
916 | */ | |
c24817b6 | 917 | if (!pci_vfs_assigned(pf->pdev)) { |
f7414531 MW |
918 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
919 | * work correctly when SR-IOV gets re-enabled. | |
920 | */ | |
921 | for (vf_id = 0; vf_id < tmp; vf_id++) { | |
922 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
923 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
41a1d04b | 924 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
f7414531 | 925 | } |
c354229f | 926 | } |
3ba9bcb4 | 927 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac JB |
928 | } |
929 | ||
930 | #ifdef CONFIG_PCI_IOV | |
931 | /** | |
932 | * i40e_alloc_vfs | |
b40c82e6 JK |
933 | * @pf: pointer to the PF structure |
934 | * @num_alloc_vfs: number of VFs to allocate | |
5c3c48ac | 935 | * |
b40c82e6 | 936 | * allocate VF resources |
5c3c48ac | 937 | **/ |
4aeec010 | 938 | int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) |
5c3c48ac JB |
939 | { |
940 | struct i40e_vf *vfs; | |
941 | int i, ret = 0; | |
942 | ||
6c1b5bff | 943 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
2ef28cfb MW |
944 | i40e_irq_dynamic_disable_icr0(pf); |
945 | ||
4aeec010 MW |
946 | /* Check to see if we're just allocating resources for extant VFs */ |
947 | if (pci_num_vf(pf->pdev) != num_alloc_vfs) { | |
948 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); | |
949 | if (ret) { | |
de445b3d | 950 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
4aeec010 MW |
951 | pf->num_alloc_vfs = 0; |
952 | goto err_iov; | |
953 | } | |
5c3c48ac | 954 | } |
5c3c48ac | 955 | /* allocate memory */ |
cc6456af | 956 | vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); |
5c3c48ac JB |
957 | if (!vfs) { |
958 | ret = -ENOMEM; | |
959 | goto err_alloc; | |
960 | } | |
c674d125 | 961 | pf->vf = vfs; |
5c3c48ac JB |
962 | |
963 | /* apply default profile */ | |
964 | for (i = 0; i < num_alloc_vfs; i++) { | |
965 | vfs[i].pf = pf; | |
966 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; | |
967 | vfs[i].vf_id = i; | |
968 | ||
969 | /* assign default capabilities */ | |
970 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); | |
c674d125 | 971 | vfs[i].spoofchk = true; |
b40c82e6 | 972 | /* VF resources get allocated during reset */ |
fc18eaa0 | 973 | i40e_reset_vf(&vfs[i], false); |
5c3c48ac | 974 | |
5c3c48ac | 975 | } |
5c3c48ac JB |
976 | pf->num_alloc_vfs = num_alloc_vfs; |
977 | ||
978 | err_alloc: | |
979 | if (ret) | |
980 | i40e_free_vfs(pf); | |
981 | err_iov: | |
6c1b5bff | 982 | /* Re-enable interrupt 0. */ |
2ef28cfb | 983 | i40e_irq_dynamic_enable_icr0(pf); |
5c3c48ac JB |
984 | return ret; |
985 | } | |
986 | ||
987 | #endif | |
988 | /** | |
989 | * i40e_pci_sriov_enable | |
990 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 991 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
992 | * |
993 | * Enable or change the number of VFs | |
994 | **/ | |
995 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) | |
996 | { | |
997 | #ifdef CONFIG_PCI_IOV | |
998 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
999 | int pre_existing_vfs = pci_num_vf(pdev); | |
1000 | int err = 0; | |
1001 | ||
6995b36c | 1002 | if (test_bit(__I40E_TESTING, &pf->state)) { |
e17bc411 GR |
1003 | dev_warn(&pdev->dev, |
1004 | "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n"); | |
1005 | err = -EPERM; | |
1006 | goto err_out; | |
1007 | } | |
1008 | ||
5c3c48ac JB |
1009 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
1010 | i40e_free_vfs(pf); | |
1011 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) | |
1012 | goto out; | |
1013 | ||
1014 | if (num_vfs > pf->num_req_vfs) { | |
96c8d073 MW |
1015 | dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n", |
1016 | num_vfs, pf->num_req_vfs); | |
5c3c48ac JB |
1017 | err = -EPERM; |
1018 | goto err_out; | |
1019 | } | |
1020 | ||
96c8d073 | 1021 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); |
5c3c48ac JB |
1022 | err = i40e_alloc_vfs(pf, num_vfs); |
1023 | if (err) { | |
1024 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); | |
1025 | goto err_out; | |
1026 | } | |
1027 | ||
1028 | out: | |
1029 | return num_vfs; | |
1030 | ||
1031 | err_out: | |
1032 | return err; | |
1033 | #endif | |
1034 | return 0; | |
1035 | } | |
1036 | ||
1037 | /** | |
1038 | * i40e_pci_sriov_configure | |
1039 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 1040 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
1041 | * |
1042 | * Enable or change the number of VFs. Called when the user updates the number | |
1043 | * of VFs in sysfs. | |
1044 | **/ | |
1045 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) | |
1046 | { | |
1047 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
1048 | ||
fc60861e ASJ |
1049 | if (num_vfs) { |
1050 | if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { | |
1051 | pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; | |
1052 | i40e_do_reset_safe(pf, | |
1053 | BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
1054 | } | |
5c3c48ac | 1055 | return i40e_pci_sriov_enable(pdev, num_vfs); |
fc60861e | 1056 | } |
5c3c48ac | 1057 | |
c24817b6 | 1058 | if (!pci_vfs_assigned(pf->pdev)) { |
9e5634df | 1059 | i40e_free_vfs(pf); |
fc60861e ASJ |
1060 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
1061 | i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
9e5634df MW |
1062 | } else { |
1063 | dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); | |
1064 | return -EINVAL; | |
1065 | } | |
5c3c48ac JB |
1066 | return 0; |
1067 | } | |
1068 | ||
1069 | /***********************virtual channel routines******************/ | |
1070 | ||
1071 | /** | |
1072 | * i40e_vc_send_msg_to_vf | |
b40c82e6 | 1073 | * @vf: pointer to the VF info |
5c3c48ac JB |
1074 | * @v_opcode: virtual channel opcode |
1075 | * @v_retval: virtual channel return value | |
1076 | * @msg: pointer to the msg buffer | |
1077 | * @msglen: msg length | |
1078 | * | |
b40c82e6 | 1079 | * send msg to VF |
5c3c48ac JB |
1080 | **/ |
1081 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, | |
1082 | u32 v_retval, u8 *msg, u16 msglen) | |
1083 | { | |
6e7b5bd3 ASJ |
1084 | struct i40e_pf *pf; |
1085 | struct i40e_hw *hw; | |
1086 | int abs_vf_id; | |
5c3c48ac JB |
1087 | i40e_status aq_ret; |
1088 | ||
6e7b5bd3 ASJ |
1089 | /* validate the request */ |
1090 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) | |
1091 | return -EINVAL; | |
1092 | ||
1093 | pf = vf->pf; | |
1094 | hw = &pf->hw; | |
1095 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; | |
1096 | ||
5c3c48ac JB |
1097 | /* single place to detect unsuccessful return values */ |
1098 | if (v_retval) { | |
1099 | vf->num_invalid_msgs++; | |
e7ffb72d MW |
1100 | dev_err(&pf->pdev->dev, "VF %d failed opcode %d, error: %d\n", |
1101 | vf->vf_id, v_opcode, v_retval); | |
5c3c48ac JB |
1102 | if (vf->num_invalid_msgs > |
1103 | I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) { | |
1104 | dev_err(&pf->pdev->dev, | |
1105 | "Number of invalid messages exceeded for VF %d\n", | |
1106 | vf->vf_id); | |
1107 | dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n"); | |
1108 | set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
1109 | } | |
1110 | } else { | |
1111 | vf->num_valid_msgs++; | |
5d38c93e JW |
1112 | /* reset the invalid counter, if a valid message is received. */ |
1113 | vf->num_invalid_msgs = 0; | |
5c3c48ac JB |
1114 | } |
1115 | ||
f19efbb5 | 1116 | aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
7efa84b7 | 1117 | msg, msglen, NULL); |
5c3c48ac JB |
1118 | if (aq_ret) { |
1119 | dev_err(&pf->pdev->dev, | |
1120 | "Unable to send the message to VF %d aq_err %d\n", | |
1121 | vf->vf_id, pf->hw.aq.asq_last_status); | |
1122 | return -EIO; | |
1123 | } | |
1124 | ||
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | /** | |
1129 | * i40e_vc_send_resp_to_vf | |
b40c82e6 | 1130 | * @vf: pointer to the VF info |
5c3c48ac JB |
1131 | * @opcode: operation code |
1132 | * @retval: return value | |
1133 | * | |
b40c82e6 | 1134 | * send resp msg to VF |
5c3c48ac JB |
1135 | **/ |
1136 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, | |
1137 | enum i40e_virtchnl_ops opcode, | |
1138 | i40e_status retval) | |
1139 | { | |
1140 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); | |
1141 | } | |
1142 | ||
1143 | /** | |
1144 | * i40e_vc_get_version_msg | |
b40c82e6 | 1145 | * @vf: pointer to the VF info |
5c3c48ac | 1146 | * |
b40c82e6 | 1147 | * called from the VF to request the API version used by the PF |
5c3c48ac | 1148 | **/ |
f4ca1a22 | 1149 | static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1150 | { |
1151 | struct i40e_virtchnl_version_info info = { | |
1152 | I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR | |
1153 | }; | |
1154 | ||
f4ca1a22 | 1155 | vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg; |
606a5488 MW |
1156 | /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ |
1157 | if (VF_IS_V10(vf)) | |
1158 | info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; | |
5c3c48ac JB |
1159 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, |
1160 | I40E_SUCCESS, (u8 *)&info, | |
1161 | sizeof(struct | |
1162 | i40e_virtchnl_version_info)); | |
1163 | } | |
1164 | ||
1165 | /** | |
1166 | * i40e_vc_get_vf_resources_msg | |
b40c82e6 | 1167 | * @vf: pointer to the VF info |
5c3c48ac JB |
1168 | * @msg: pointer to the msg buffer |
1169 | * @msglen: msg length | |
1170 | * | |
b40c82e6 | 1171 | * called from the VF to request its resources |
5c3c48ac | 1172 | **/ |
f4ca1a22 | 1173 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1174 | { |
1175 | struct i40e_virtchnl_vf_resource *vfres = NULL; | |
1176 | struct i40e_pf *pf = vf->pf; | |
1177 | i40e_status aq_ret = 0; | |
1178 | struct i40e_vsi *vsi; | |
1179 | int i = 0, len = 0; | |
1180 | int num_vsis = 1; | |
1181 | int ret; | |
1182 | ||
1183 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
1184 | aq_ret = I40E_ERR_PARAM; | |
1185 | goto err; | |
1186 | } | |
1187 | ||
1188 | len = (sizeof(struct i40e_virtchnl_vf_resource) + | |
1189 | sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis); | |
1190 | ||
1191 | vfres = kzalloc(len, GFP_KERNEL); | |
1192 | if (!vfres) { | |
1193 | aq_ret = I40E_ERR_NO_MEMORY; | |
1194 | len = 0; | |
1195 | goto err; | |
1196 | } | |
f4ca1a22 MW |
1197 | if (VF_IS_V11(vf)) |
1198 | vf->driver_caps = *(u32 *)msg; | |
1199 | else | |
1200 | vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 | | |
1201 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG | | |
1202 | I40E_VIRTCHNL_VF_OFFLOAD_VLAN; | |
5c3c48ac JB |
1203 | |
1204 | vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2; | |
fdf0e0bf | 1205 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1206 | if (!vsi->info.pvid) |
e25d00b8 ASJ |
1207 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN; |
1208 | if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) { | |
1209 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ) | |
1210 | vfres->vf_offload_flags |= | |
1211 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ; | |
1212 | } else { | |
1213 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG; | |
1214 | } | |
1f012279 ASJ |
1215 | |
1216 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING) | |
1217 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RX_POLLING; | |
1218 | ||
5c3c48ac JB |
1219 | vfres->num_vsis = num_vsis; |
1220 | vfres->num_queue_pairs = vf->num_queue_pairs; | |
1221 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; | |
fdf0e0bf ASJ |
1222 | if (vf->lan_vsi_idx) { |
1223 | vfres->vsi_res[i].vsi_id = vf->lan_vsi_id; | |
5c3c48ac | 1224 | vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV; |
f578f5f4 MW |
1225 | vfres->vsi_res[i].num_queue_pairs = vsi->alloc_queue_pairs; |
1226 | /* VFs only use TC 0 */ | |
1227 | vfres->vsi_res[i].qset_handle | |
1228 | = le16_to_cpu(vsi->info.qs_handle[0]); | |
6995b36c JB |
1229 | ether_addr_copy(vfres->vsi_res[i].default_mac_addr, |
1230 | vf->default_lan_addr.addr); | |
5c3c48ac JB |
1231 | i++; |
1232 | } | |
1233 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
1234 | ||
1235 | err: | |
b40c82e6 | 1236 | /* send the response back to the VF */ |
5c3c48ac JB |
1237 | ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, |
1238 | aq_ret, (u8 *)vfres, len); | |
1239 | ||
1240 | kfree(vfres); | |
1241 | return ret; | |
1242 | } | |
1243 | ||
1244 | /** | |
1245 | * i40e_vc_reset_vf_msg | |
b40c82e6 | 1246 | * @vf: pointer to the VF info |
5c3c48ac JB |
1247 | * @msg: pointer to the msg buffer |
1248 | * @msglen: msg length | |
1249 | * | |
b40c82e6 JK |
1250 | * called from the VF to reset itself, |
1251 | * unlike other virtchnl messages, PF driver | |
1252 | * doesn't send the response back to the VF | |
5c3c48ac | 1253 | **/ |
fc18eaa0 | 1254 | static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) |
5c3c48ac | 1255 | { |
fc18eaa0 MW |
1256 | if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
1257 | i40e_reset_vf(vf, false); | |
5c3c48ac JB |
1258 | } |
1259 | ||
1260 | /** | |
1261 | * i40e_vc_config_promiscuous_mode_msg | |
b40c82e6 | 1262 | * @vf: pointer to the VF info |
5c3c48ac JB |
1263 | * @msg: pointer to the msg buffer |
1264 | * @msglen: msg length | |
1265 | * | |
b40c82e6 JK |
1266 | * called from the VF to configure the promiscuous mode of |
1267 | * VF vsis | |
5c3c48ac JB |
1268 | **/ |
1269 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, | |
1270 | u8 *msg, u16 msglen) | |
1271 | { | |
1272 | struct i40e_virtchnl_promisc_info *info = | |
1273 | (struct i40e_virtchnl_promisc_info *)msg; | |
1274 | struct i40e_pf *pf = vf->pf; | |
1275 | struct i40e_hw *hw = &pf->hw; | |
89cb86c3 | 1276 | struct i40e_vsi *vsi; |
5c3c48ac | 1277 | bool allmulti = false; |
5c3c48ac JB |
1278 | i40e_status aq_ret; |
1279 | ||
fdf0e0bf | 1280 | vsi = i40e_find_vsi_from_id(pf, info->vsi_id); |
5c3c48ac JB |
1281 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
1282 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1283 | !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) || | |
fdf0e0bf | 1284 | (vsi->type != I40E_VSI_FCOE)) { |
5c3c48ac JB |
1285 | aq_ret = I40E_ERR_PARAM; |
1286 | goto error_param; | |
1287 | } | |
5c3c48ac JB |
1288 | if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC) |
1289 | allmulti = true; | |
89cb86c3 | 1290 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, |
5c3c48ac JB |
1291 | allmulti, NULL); |
1292 | ||
1293 | error_param: | |
b40c82e6 | 1294 | /* send the response to the VF */ |
5c3c48ac JB |
1295 | return i40e_vc_send_resp_to_vf(vf, |
1296 | I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, | |
1297 | aq_ret); | |
1298 | } | |
1299 | ||
1300 | /** | |
1301 | * i40e_vc_config_queues_msg | |
b40c82e6 | 1302 | * @vf: pointer to the VF info |
5c3c48ac JB |
1303 | * @msg: pointer to the msg buffer |
1304 | * @msglen: msg length | |
1305 | * | |
b40c82e6 | 1306 | * called from the VF to configure the rx/tx |
5c3c48ac JB |
1307 | * queues |
1308 | **/ | |
1309 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1310 | { | |
1311 | struct i40e_virtchnl_vsi_queue_config_info *qci = | |
1312 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1313 | struct i40e_virtchnl_queue_pair_info *qpi; | |
5f5e33b6 | 1314 | struct i40e_pf *pf = vf->pf; |
5c3c48ac JB |
1315 | u16 vsi_id, vsi_queue_id; |
1316 | i40e_status aq_ret = 0; | |
1317 | int i; | |
1318 | ||
1319 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1320 | aq_ret = I40E_ERR_PARAM; | |
1321 | goto error_param; | |
1322 | } | |
1323 | ||
1324 | vsi_id = qci->vsi_id; | |
1325 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1326 | aq_ret = I40E_ERR_PARAM; | |
1327 | goto error_param; | |
1328 | } | |
1329 | for (i = 0; i < qci->num_queue_pairs; i++) { | |
1330 | qpi = &qci->qpair[i]; | |
1331 | vsi_queue_id = qpi->txq.queue_id; | |
1332 | if ((qpi->txq.vsi_id != vsi_id) || | |
1333 | (qpi->rxq.vsi_id != vsi_id) || | |
1334 | (qpi->rxq.queue_id != vsi_queue_id) || | |
1335 | !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { | |
1336 | aq_ret = I40E_ERR_PARAM; | |
1337 | goto error_param; | |
1338 | } | |
1339 | ||
1340 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, | |
1341 | &qpi->rxq) || | |
1342 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, | |
1343 | &qpi->txq)) { | |
1344 | aq_ret = I40E_ERR_PARAM; | |
1345 | goto error_param; | |
1346 | } | |
1347 | } | |
b40c82e6 | 1348 | /* set vsi num_queue_pairs in use to num configured by VF */ |
fdf0e0bf | 1349 | pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs; |
5c3c48ac JB |
1350 | |
1351 | error_param: | |
b40c82e6 | 1352 | /* send the response to the VF */ |
5c3c48ac JB |
1353 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
1354 | aq_ret); | |
1355 | } | |
1356 | ||
1357 | /** | |
1358 | * i40e_vc_config_irq_map_msg | |
b40c82e6 | 1359 | * @vf: pointer to the VF info |
5c3c48ac JB |
1360 | * @msg: pointer to the msg buffer |
1361 | * @msglen: msg length | |
1362 | * | |
b40c82e6 | 1363 | * called from the VF to configure the irq to |
5c3c48ac JB |
1364 | * queue map |
1365 | **/ | |
1366 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1367 | { | |
1368 | struct i40e_virtchnl_irq_map_info *irqmap_info = | |
1369 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1370 | struct i40e_virtchnl_vector_map *map; | |
1371 | u16 vsi_id, vsi_queue_id, vector_id; | |
1372 | i40e_status aq_ret = 0; | |
1373 | unsigned long tempmap; | |
1374 | int i; | |
1375 | ||
1376 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1377 | aq_ret = I40E_ERR_PARAM; | |
1378 | goto error_param; | |
1379 | } | |
1380 | ||
1381 | for (i = 0; i < irqmap_info->num_vectors; i++) { | |
1382 | map = &irqmap_info->vecmap[i]; | |
1383 | ||
1384 | vector_id = map->vector_id; | |
1385 | vsi_id = map->vsi_id; | |
1386 | /* validate msg params */ | |
1387 | if (!i40e_vc_isvalid_vector_id(vf, vector_id) || | |
1388 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1389 | aq_ret = I40E_ERR_PARAM; | |
1390 | goto error_param; | |
1391 | } | |
1392 | ||
1393 | /* lookout for the invalid queue index */ | |
1394 | tempmap = map->rxq_map; | |
4836650b | 1395 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1396 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1397 | vsi_queue_id)) { | |
1398 | aq_ret = I40E_ERR_PARAM; | |
1399 | goto error_param; | |
1400 | } | |
5c3c48ac JB |
1401 | } |
1402 | ||
1403 | tempmap = map->txq_map; | |
4836650b | 1404 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1405 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1406 | vsi_queue_id)) { | |
1407 | aq_ret = I40E_ERR_PARAM; | |
1408 | goto error_param; | |
1409 | } | |
5c3c48ac JB |
1410 | } |
1411 | ||
1412 | i40e_config_irq_link_list(vf, vsi_id, map); | |
1413 | } | |
1414 | error_param: | |
b40c82e6 | 1415 | /* send the response to the VF */ |
5c3c48ac JB |
1416 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, |
1417 | aq_ret); | |
1418 | } | |
1419 | ||
1420 | /** | |
1421 | * i40e_vc_enable_queues_msg | |
b40c82e6 | 1422 | * @vf: pointer to the VF info |
5c3c48ac JB |
1423 | * @msg: pointer to the msg buffer |
1424 | * @msglen: msg length | |
1425 | * | |
b40c82e6 | 1426 | * called from the VF to enable all or specific queue(s) |
5c3c48ac JB |
1427 | **/ |
1428 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1429 | { | |
1430 | struct i40e_virtchnl_queue_select *vqs = | |
1431 | (struct i40e_virtchnl_queue_select *)msg; | |
1432 | struct i40e_pf *pf = vf->pf; | |
1433 | u16 vsi_id = vqs->vsi_id; | |
1434 | i40e_status aq_ret = 0; | |
5c3c48ac JB |
1435 | |
1436 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1437 | aq_ret = I40E_ERR_PARAM; | |
1438 | goto error_param; | |
1439 | } | |
1440 | ||
1441 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1442 | aq_ret = I40E_ERR_PARAM; | |
1443 | goto error_param; | |
1444 | } | |
1445 | ||
1446 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1447 | aq_ret = I40E_ERR_PARAM; | |
1448 | goto error_param; | |
1449 | } | |
fdf0e0bf ASJ |
1450 | |
1451 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true)) | |
88f6563d | 1452 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac | 1453 | error_param: |
b40c82e6 | 1454 | /* send the response to the VF */ |
5c3c48ac JB |
1455 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, |
1456 | aq_ret); | |
1457 | } | |
1458 | ||
1459 | /** | |
1460 | * i40e_vc_disable_queues_msg | |
b40c82e6 | 1461 | * @vf: pointer to the VF info |
5c3c48ac JB |
1462 | * @msg: pointer to the msg buffer |
1463 | * @msglen: msg length | |
1464 | * | |
b40c82e6 | 1465 | * called from the VF to disable all or specific |
5c3c48ac JB |
1466 | * queue(s) |
1467 | **/ | |
1468 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1469 | { | |
1470 | struct i40e_virtchnl_queue_select *vqs = | |
1471 | (struct i40e_virtchnl_queue_select *)msg; | |
1472 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac | 1473 | i40e_status aq_ret = 0; |
5c3c48ac JB |
1474 | |
1475 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1476 | aq_ret = I40E_ERR_PARAM; | |
1477 | goto error_param; | |
1478 | } | |
1479 | ||
1480 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1481 | aq_ret = I40E_ERR_PARAM; | |
1482 | goto error_param; | |
1483 | } | |
1484 | ||
1485 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1486 | aq_ret = I40E_ERR_PARAM; | |
1487 | goto error_param; | |
1488 | } | |
fdf0e0bf ASJ |
1489 | |
1490 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false)) | |
88f6563d | 1491 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac JB |
1492 | |
1493 | error_param: | |
b40c82e6 | 1494 | /* send the response to the VF */ |
5c3c48ac JB |
1495 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, |
1496 | aq_ret); | |
1497 | } | |
1498 | ||
1499 | /** | |
1500 | * i40e_vc_get_stats_msg | |
b40c82e6 | 1501 | * @vf: pointer to the VF info |
5c3c48ac JB |
1502 | * @msg: pointer to the msg buffer |
1503 | * @msglen: msg length | |
1504 | * | |
b40c82e6 | 1505 | * called from the VF to get vsi stats |
5c3c48ac JB |
1506 | **/ |
1507 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1508 | { | |
1509 | struct i40e_virtchnl_queue_select *vqs = | |
1510 | (struct i40e_virtchnl_queue_select *)msg; | |
1511 | struct i40e_pf *pf = vf->pf; | |
1512 | struct i40e_eth_stats stats; | |
1513 | i40e_status aq_ret = 0; | |
1514 | struct i40e_vsi *vsi; | |
1515 | ||
1516 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); | |
1517 | ||
1518 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1519 | aq_ret = I40E_ERR_PARAM; | |
1520 | goto error_param; | |
1521 | } | |
1522 | ||
1523 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1524 | aq_ret = I40E_ERR_PARAM; | |
1525 | goto error_param; | |
1526 | } | |
1527 | ||
fdf0e0bf | 1528 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1529 | if (!vsi) { |
1530 | aq_ret = I40E_ERR_PARAM; | |
1531 | goto error_param; | |
1532 | } | |
1533 | i40e_update_eth_stats(vsi); | |
5a9769c8 | 1534 | stats = vsi->eth_stats; |
5c3c48ac JB |
1535 | |
1536 | error_param: | |
b40c82e6 | 1537 | /* send the response back to the VF */ |
5c3c48ac JB |
1538 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret, |
1539 | (u8 *)&stats, sizeof(stats)); | |
1540 | } | |
1541 | ||
f657a6e1 GR |
1542 | /** |
1543 | * i40e_check_vf_permission | |
b40c82e6 | 1544 | * @vf: pointer to the VF info |
f657a6e1 GR |
1545 | * @macaddr: pointer to the MAC Address being checked |
1546 | * | |
1547 | * Check if the VF has permission to add or delete unicast MAC address | |
1548 | * filters and return error code -EPERM if not. Then check if the | |
1549 | * address filter requested is broadcast or zero and if so return | |
1550 | * an invalid MAC address error code. | |
1551 | **/ | |
1552 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) | |
1553 | { | |
1554 | struct i40e_pf *pf = vf->pf; | |
1555 | int ret = 0; | |
1556 | ||
1557 | if (is_broadcast_ether_addr(macaddr) || | |
1558 | is_zero_ether_addr(macaddr)) { | |
1559 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); | |
1560 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
5017c2a8 GR |
1561 | } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && |
1562 | !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { | |
f657a6e1 GR |
1563 | /* If the host VMM administrator has set the VF MAC address |
1564 | * administratively via the ndo_set_vf_mac command then deny | |
1565 | * permission to the VF to add or delete unicast MAC addresses. | |
5017c2a8 GR |
1566 | * The VF may request to set the MAC address filter already |
1567 | * assigned to it so do not return an error in that case. | |
f657a6e1 GR |
1568 | */ |
1569 | dev_err(&pf->pdev->dev, | |
1570 | "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); | |
1571 | ret = -EPERM; | |
1572 | } | |
1573 | return ret; | |
1574 | } | |
1575 | ||
5c3c48ac JB |
1576 | /** |
1577 | * i40e_vc_add_mac_addr_msg | |
b40c82e6 | 1578 | * @vf: pointer to the VF info |
5c3c48ac JB |
1579 | * @msg: pointer to the msg buffer |
1580 | * @msglen: msg length | |
1581 | * | |
1582 | * add guest mac address filter | |
1583 | **/ | |
1584 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1585 | { | |
1586 | struct i40e_virtchnl_ether_addr_list *al = | |
1587 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1588 | struct i40e_pf *pf = vf->pf; | |
1589 | struct i40e_vsi *vsi = NULL; | |
1590 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1591 | i40e_status ret = 0; |
5c3c48ac JB |
1592 | int i; |
1593 | ||
1594 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1595 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1596 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1597 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1598 | goto error_param; |
1599 | } | |
1600 | ||
1601 | for (i = 0; i < al->num_elements; i++) { | |
f657a6e1 GR |
1602 | ret = i40e_check_vf_permission(vf, al->list[i].addr); |
1603 | if (ret) | |
5c3c48ac | 1604 | goto error_param; |
5c3c48ac | 1605 | } |
fdf0e0bf | 1606 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1607 | |
21659035 KP |
1608 | /* Lock once, because all function inside for loop accesses VSI's |
1609 | * MAC filter list which needs to be protected using same lock. | |
1610 | */ | |
1611 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
1612 | ||
5c3c48ac JB |
1613 | /* add new addresses to the list */ |
1614 | for (i = 0; i < al->num_elements; i++) { | |
1615 | struct i40e_mac_filter *f; | |
1616 | ||
1617 | f = i40e_find_mac(vsi, al->list[i].addr, true, false); | |
7e68edf9 | 1618 | if (!f) { |
5c3c48ac JB |
1619 | if (i40e_is_vsi_in_vlan(vsi)) |
1620 | f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, | |
1621 | true, false); | |
1622 | else | |
1623 | f = i40e_add_filter(vsi, al->list[i].addr, -1, | |
1624 | true, false); | |
1625 | } | |
1626 | ||
1627 | if (!f) { | |
1628 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1629 | "Unable to add MAC filter %pM for VF %d\n", |
1630 | al->list[i].addr, vf->vf_id); | |
f657a6e1 | 1631 | ret = I40E_ERR_PARAM; |
21659035 | 1632 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1633 | goto error_param; |
1634 | } | |
1635 | } | |
21659035 | 1636 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1637 | |
1638 | /* program the updated filter list */ | |
ea02e90b MW |
1639 | ret = i40e_sync_vsi_filters(vsi); |
1640 | if (ret) | |
1641 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", | |
1642 | vf->vf_id, ret); | |
5c3c48ac JB |
1643 | |
1644 | error_param: | |
b40c82e6 | 1645 | /* send the response to the VF */ |
5c3c48ac | 1646 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, |
f657a6e1 | 1647 | ret); |
5c3c48ac JB |
1648 | } |
1649 | ||
1650 | /** | |
1651 | * i40e_vc_del_mac_addr_msg | |
b40c82e6 | 1652 | * @vf: pointer to the VF info |
5c3c48ac JB |
1653 | * @msg: pointer to the msg buffer |
1654 | * @msglen: msg length | |
1655 | * | |
1656 | * remove guest mac address filter | |
1657 | **/ | |
1658 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1659 | { | |
1660 | struct i40e_virtchnl_ether_addr_list *al = | |
1661 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1662 | struct i40e_pf *pf = vf->pf; | |
1663 | struct i40e_vsi *vsi = NULL; | |
1664 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1665 | i40e_status ret = 0; |
5c3c48ac JB |
1666 | int i; |
1667 | ||
1668 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1669 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1670 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1671 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1672 | goto error_param; |
1673 | } | |
f657a6e1 GR |
1674 | |
1675 | for (i = 0; i < al->num_elements; i++) { | |
700bbf6c MW |
1676 | if (is_broadcast_ether_addr(al->list[i].addr) || |
1677 | is_zero_ether_addr(al->list[i].addr)) { | |
8d8f2295 MW |
1678 | dev_err(&pf->pdev->dev, "Invalid MAC addr %pM for VF %d\n", |
1679 | al->list[i].addr, vf->vf_id); | |
700bbf6c | 1680 | ret = I40E_ERR_INVALID_MAC_ADDR; |
f657a6e1 | 1681 | goto error_param; |
700bbf6c | 1682 | } |
f657a6e1 | 1683 | } |
fdf0e0bf | 1684 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1685 | |
21659035 | 1686 | spin_lock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1687 | /* delete addresses from the list */ |
1688 | for (i = 0; i < al->num_elements; i++) | |
b36e9ab5 MW |
1689 | if (i40e_del_mac_all_vlan(vsi, al->list[i].addr, true, false)) { |
1690 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
1691 | spin_unlock_bh(&vsi->mac_filter_list_lock); | |
1692 | goto error_param; | |
1693 | } | |
1694 | ||
21659035 | 1695 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
5c3c48ac JB |
1696 | |
1697 | /* program the updated filter list */ | |
ea02e90b MW |
1698 | ret = i40e_sync_vsi_filters(vsi); |
1699 | if (ret) | |
1700 | dev_err(&pf->pdev->dev, "Unable to program VF %d MAC filters, error %d\n", | |
1701 | vf->vf_id, ret); | |
5c3c48ac JB |
1702 | |
1703 | error_param: | |
b40c82e6 | 1704 | /* send the response to the VF */ |
5c3c48ac | 1705 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, |
f657a6e1 | 1706 | ret); |
5c3c48ac JB |
1707 | } |
1708 | ||
1709 | /** | |
1710 | * i40e_vc_add_vlan_msg | |
b40c82e6 | 1711 | * @vf: pointer to the VF info |
5c3c48ac JB |
1712 | * @msg: pointer to the msg buffer |
1713 | * @msglen: msg length | |
1714 | * | |
1715 | * program guest vlan id | |
1716 | **/ | |
1717 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1718 | { | |
1719 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1720 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1721 | struct i40e_pf *pf = vf->pf; | |
1722 | struct i40e_vsi *vsi = NULL; | |
1723 | u16 vsi_id = vfl->vsi_id; | |
1724 | i40e_status aq_ret = 0; | |
1725 | int i; | |
1726 | ||
1727 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1728 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1729 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1730 | aq_ret = I40E_ERR_PARAM; | |
1731 | goto error_param; | |
1732 | } | |
1733 | ||
1734 | for (i = 0; i < vfl->num_elements; i++) { | |
1735 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1736 | aq_ret = I40E_ERR_PARAM; | |
1737 | dev_err(&pf->pdev->dev, | |
1738 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); | |
1739 | goto error_param; | |
1740 | } | |
1741 | } | |
fdf0e0bf | 1742 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1743 | if (vsi->info.pvid) { |
1744 | aq_ret = I40E_ERR_PARAM; | |
1745 | goto error_param; | |
1746 | } | |
1747 | ||
1748 | i40e_vlan_stripping_enable(vsi); | |
1749 | for (i = 0; i < vfl->num_elements; i++) { | |
1750 | /* add new VLAN filter */ | |
1751 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); | |
6995b36c | 1752 | |
5c3c48ac JB |
1753 | if (ret) |
1754 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1755 | "Unable to add VLAN filter %d for VF %d, error %d\n", |
1756 | vfl->vlan_id[i], vf->vf_id, ret); | |
5c3c48ac JB |
1757 | } |
1758 | ||
1759 | error_param: | |
b40c82e6 | 1760 | /* send the response to the VF */ |
5c3c48ac JB |
1761 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret); |
1762 | } | |
1763 | ||
1764 | /** | |
1765 | * i40e_vc_remove_vlan_msg | |
b40c82e6 | 1766 | * @vf: pointer to the VF info |
5c3c48ac JB |
1767 | * @msg: pointer to the msg buffer |
1768 | * @msglen: msg length | |
1769 | * | |
1770 | * remove programmed guest vlan id | |
1771 | **/ | |
1772 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1773 | { | |
1774 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1775 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1776 | struct i40e_pf *pf = vf->pf; | |
1777 | struct i40e_vsi *vsi = NULL; | |
1778 | u16 vsi_id = vfl->vsi_id; | |
1779 | i40e_status aq_ret = 0; | |
1780 | int i; | |
1781 | ||
1782 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1783 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1784 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1785 | aq_ret = I40E_ERR_PARAM; | |
1786 | goto error_param; | |
1787 | } | |
1788 | ||
1789 | for (i = 0; i < vfl->num_elements; i++) { | |
1790 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1791 | aq_ret = I40E_ERR_PARAM; | |
1792 | goto error_param; | |
1793 | } | |
1794 | } | |
1795 | ||
fdf0e0bf | 1796 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1797 | if (vsi->info.pvid) { |
1798 | aq_ret = I40E_ERR_PARAM; | |
1799 | goto error_param; | |
1800 | } | |
1801 | ||
1802 | for (i = 0; i < vfl->num_elements; i++) { | |
1803 | int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); | |
6995b36c | 1804 | |
5c3c48ac JB |
1805 | if (ret) |
1806 | dev_err(&pf->pdev->dev, | |
8d8f2295 MW |
1807 | "Unable to delete VLAN filter %d for VF %d, error %d\n", |
1808 | vfl->vlan_id[i], vf->vf_id, ret); | |
5c3c48ac JB |
1809 | } |
1810 | ||
1811 | error_param: | |
b40c82e6 | 1812 | /* send the response to the VF */ |
5c3c48ac JB |
1813 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret); |
1814 | } | |
1815 | ||
5c3c48ac JB |
1816 | /** |
1817 | * i40e_vc_validate_vf_msg | |
b40c82e6 | 1818 | * @vf: pointer to the VF info |
5c3c48ac JB |
1819 | * @msg: pointer to the msg buffer |
1820 | * @msglen: msg length | |
1821 | * @msghndl: msg handle | |
1822 | * | |
1823 | * validate msg | |
1824 | **/ | |
1825 | static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, | |
1826 | u32 v_retval, u8 *msg, u16 msglen) | |
1827 | { | |
1828 | bool err_msg_format = false; | |
1829 | int valid_len; | |
1830 | ||
1831 | /* Check if VF is disabled. */ | |
1832 | if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states)) | |
1833 | return I40E_ERR_PARAM; | |
1834 | ||
1835 | /* Validate message length. */ | |
1836 | switch (v_opcode) { | |
1837 | case I40E_VIRTCHNL_OP_VERSION: | |
1838 | valid_len = sizeof(struct i40e_virtchnl_version_info); | |
1839 | break; | |
1840 | case I40E_VIRTCHNL_OP_RESET_VF: | |
5c3c48ac JB |
1841 | valid_len = 0; |
1842 | break; | |
f4ca1a22 MW |
1843 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: |
1844 | if (VF_IS_V11(vf)) | |
1845 | valid_len = sizeof(u32); | |
1846 | else | |
1847 | valid_len = 0; | |
1848 | break; | |
5c3c48ac JB |
1849 | case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE: |
1850 | valid_len = sizeof(struct i40e_virtchnl_txq_info); | |
1851 | break; | |
1852 | case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE: | |
1853 | valid_len = sizeof(struct i40e_virtchnl_rxq_info); | |
1854 | break; | |
1855 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1856 | valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info); | |
1857 | if (msglen >= valid_len) { | |
1858 | struct i40e_virtchnl_vsi_queue_config_info *vqc = | |
1859 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1860 | valid_len += (vqc->num_queue_pairs * | |
1861 | sizeof(struct | |
1862 | i40e_virtchnl_queue_pair_info)); | |
1863 | if (vqc->num_queue_pairs == 0) | |
1864 | err_msg_format = true; | |
1865 | } | |
1866 | break; | |
1867 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1868 | valid_len = sizeof(struct i40e_virtchnl_irq_map_info); | |
1869 | if (msglen >= valid_len) { | |
1870 | struct i40e_virtchnl_irq_map_info *vimi = | |
1871 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1872 | valid_len += (vimi->num_vectors * | |
1873 | sizeof(struct i40e_virtchnl_vector_map)); | |
1874 | if (vimi->num_vectors == 0) | |
1875 | err_msg_format = true; | |
1876 | } | |
1877 | break; | |
1878 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1879 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1880 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1881 | break; | |
1882 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1883 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1884 | valid_len = sizeof(struct i40e_virtchnl_ether_addr_list); | |
1885 | if (msglen >= valid_len) { | |
1886 | struct i40e_virtchnl_ether_addr_list *veal = | |
1887 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1888 | valid_len += veal->num_elements * | |
1889 | sizeof(struct i40e_virtchnl_ether_addr); | |
1890 | if (veal->num_elements == 0) | |
1891 | err_msg_format = true; | |
1892 | } | |
1893 | break; | |
1894 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1895 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1896 | valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list); | |
1897 | if (msglen >= valid_len) { | |
1898 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1899 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1900 | valid_len += vfl->num_elements * sizeof(u16); | |
1901 | if (vfl->num_elements == 0) | |
1902 | err_msg_format = true; | |
1903 | } | |
1904 | break; | |
1905 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1906 | valid_len = sizeof(struct i40e_virtchnl_promisc_info); | |
1907 | break; | |
1908 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1909 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1910 | break; | |
1911 | /* These are always errors coming from the VF. */ | |
1912 | case I40E_VIRTCHNL_OP_EVENT: | |
1913 | case I40E_VIRTCHNL_OP_UNKNOWN: | |
1914 | default: | |
1915 | return -EPERM; | |
5c3c48ac JB |
1916 | } |
1917 | /* few more checks */ | |
1918 | if ((valid_len != msglen) || (err_msg_format)) { | |
1919 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); | |
1920 | return -EINVAL; | |
1921 | } else { | |
1922 | return 0; | |
1923 | } | |
1924 | } | |
1925 | ||
1926 | /** | |
1927 | * i40e_vc_process_vf_msg | |
b40c82e6 JK |
1928 | * @pf: pointer to the PF structure |
1929 | * @vf_id: source VF id | |
5c3c48ac JB |
1930 | * @msg: pointer to the msg buffer |
1931 | * @msglen: msg length | |
1932 | * @msghndl: msg handle | |
1933 | * | |
1934 | * called from the common aeq/arq handler to | |
b40c82e6 | 1935 | * process request from VF |
5c3c48ac JB |
1936 | **/ |
1937 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, | |
1938 | u32 v_retval, u8 *msg, u16 msglen) | |
1939 | { | |
5c3c48ac | 1940 | struct i40e_hw *hw = &pf->hw; |
c243e963 | 1941 | unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; |
6c1b5bff | 1942 | struct i40e_vf *vf; |
5c3c48ac JB |
1943 | int ret; |
1944 | ||
1945 | pf->vf_aq_requests++; | |
7efa84b7 | 1946 | if (local_vf_id >= pf->num_alloc_vfs) |
6c1b5bff | 1947 | return -EINVAL; |
7efa84b7 | 1948 | vf = &(pf->vf[local_vf_id]); |
5c3c48ac JB |
1949 | /* perform basic checks on the msg */ |
1950 | ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); | |
1951 | ||
1952 | if (ret) { | |
b40c82e6 | 1953 | dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n", |
7efa84b7 | 1954 | local_vf_id, v_opcode, msglen); |
5c3c48ac JB |
1955 | return ret; |
1956 | } | |
bae3cae4 | 1957 | |
5c3c48ac JB |
1958 | switch (v_opcode) { |
1959 | case I40E_VIRTCHNL_OP_VERSION: | |
f4ca1a22 | 1960 | ret = i40e_vc_get_version_msg(vf, msg); |
5c3c48ac JB |
1961 | break; |
1962 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: | |
f4ca1a22 | 1963 | ret = i40e_vc_get_vf_resources_msg(vf, msg); |
5c3c48ac JB |
1964 | break; |
1965 | case I40E_VIRTCHNL_OP_RESET_VF: | |
fc18eaa0 MW |
1966 | i40e_vc_reset_vf_msg(vf); |
1967 | ret = 0; | |
5c3c48ac JB |
1968 | break; |
1969 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1970 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); | |
1971 | break; | |
1972 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1973 | ret = i40e_vc_config_queues_msg(vf, msg, msglen); | |
1974 | break; | |
1975 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1976 | ret = i40e_vc_config_irq_map_msg(vf, msg, msglen); | |
1977 | break; | |
1978 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1979 | ret = i40e_vc_enable_queues_msg(vf, msg, msglen); | |
055b295d | 1980 | i40e_vc_notify_vf_link_state(vf); |
5c3c48ac JB |
1981 | break; |
1982 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1983 | ret = i40e_vc_disable_queues_msg(vf, msg, msglen); | |
1984 | break; | |
1985 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1986 | ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen); | |
1987 | break; | |
1988 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1989 | ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen); | |
1990 | break; | |
1991 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1992 | ret = i40e_vc_add_vlan_msg(vf, msg, msglen); | |
1993 | break; | |
1994 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1995 | ret = i40e_vc_remove_vlan_msg(vf, msg, msglen); | |
1996 | break; | |
1997 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1998 | ret = i40e_vc_get_stats_msg(vf, msg, msglen); | |
1999 | break; | |
5c3c48ac JB |
2000 | case I40E_VIRTCHNL_OP_UNKNOWN: |
2001 | default: | |
b40c82e6 | 2002 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n", |
7efa84b7 | 2003 | v_opcode, local_vf_id); |
5c3c48ac JB |
2004 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
2005 | I40E_ERR_NOT_IMPLEMENTED); | |
2006 | break; | |
2007 | } | |
2008 | ||
2009 | return ret; | |
2010 | } | |
2011 | ||
2012 | /** | |
2013 | * i40e_vc_process_vflr_event | |
b40c82e6 | 2014 | * @pf: pointer to the PF structure |
5c3c48ac JB |
2015 | * |
2016 | * called from the vlfr irq handler to | |
b40c82e6 | 2017 | * free up VF resources and state variables |
5c3c48ac JB |
2018 | **/ |
2019 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) | |
2020 | { | |
2021 | u32 reg, reg_idx, bit_idx, vf_id; | |
2022 | struct i40e_hw *hw = &pf->hw; | |
2023 | struct i40e_vf *vf; | |
2024 | ||
2025 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state)) | |
2026 | return 0; | |
2027 | ||
c5c2f7c3 MW |
2028 | /* re-enable vflr interrupt cause */ |
2029 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); | |
2030 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; | |
2031 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); | |
2032 | i40e_flush(hw); | |
2033 | ||
5c3c48ac JB |
2034 | clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state); |
2035 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { | |
2036 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
2037 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
b40c82e6 | 2038 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ |
5c3c48ac JB |
2039 | vf = &pf->vf[vf_id]; |
2040 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); | |
41a1d04b | 2041 | if (reg & BIT(bit_idx)) { |
5c3c48ac | 2042 | /* clear the bit in GLGEN_VFLRSTAT */ |
41a1d04b | 2043 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
5c3c48ac | 2044 | |
eb2d80bc MW |
2045 | if (!test_bit(__I40E_DOWN, &pf->state)) |
2046 | i40e_reset_vf(vf, true); | |
5c3c48ac JB |
2047 | } |
2048 | } | |
2049 | ||
5c3c48ac JB |
2050 | return 0; |
2051 | } | |
2052 | ||
5c3c48ac JB |
2053 | /** |
2054 | * i40e_ndo_set_vf_mac | |
2055 | * @netdev: network interface device structure | |
b40c82e6 | 2056 | * @vf_id: VF identifier |
5c3c48ac JB |
2057 | * @mac: mac address |
2058 | * | |
b40c82e6 | 2059 | * program VF mac address |
5c3c48ac JB |
2060 | **/ |
2061 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) | |
2062 | { | |
2063 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2064 | struct i40e_vsi *vsi = np->vsi; | |
2065 | struct i40e_pf *pf = vsi->back; | |
2066 | struct i40e_mac_filter *f; | |
2067 | struct i40e_vf *vf; | |
2068 | int ret = 0; | |
2069 | ||
2070 | /* validate the request */ | |
2071 | if (vf_id >= pf->num_alloc_vfs) { | |
2072 | dev_err(&pf->pdev->dev, | |
2073 | "Invalid VF Identifier %d\n", vf_id); | |
2074 | ret = -EINVAL; | |
2075 | goto error_param; | |
2076 | } | |
2077 | ||
2078 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2079 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2080 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2081 | dev_err(&pf->pdev->dev, | |
2082 | "Uninitialized VF %d\n", vf_id); | |
2083 | ret = -EINVAL; | |
2084 | goto error_param; | |
2085 | } | |
2086 | ||
2087 | if (!is_valid_ether_addr(mac)) { | |
2088 | dev_err(&pf->pdev->dev, | |
2089 | "Invalid VF ethernet address\n"); | |
2090 | ret = -EINVAL; | |
2091 | goto error_param; | |
2092 | } | |
2093 | ||
21659035 KP |
2094 | /* Lock once because below invoked function add/del_filter requires |
2095 | * mac_filter_list_lock to be held | |
2096 | */ | |
2097 | spin_lock_bh(&vsi->mac_filter_list_lock); | |
2098 | ||
5c3c48ac | 2099 | /* delete the temporary mac address */ |
e995163c MW |
2100 | i40e_del_filter(vsi, vf->default_lan_addr.addr, |
2101 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
37cc0d2f | 2102 | true, false); |
5c3c48ac | 2103 | |
29f71bb0 GR |
2104 | /* Delete all the filters for this VSI - we're going to kill it |
2105 | * anyway. | |
2106 | */ | |
2107 | list_for_each_entry(f, &vsi->mac_filter_list, list) | |
2108 | i40e_del_filter(vsi, f->macaddr, f->vlan, true, false); | |
5c3c48ac | 2109 | |
21659035 KP |
2110 | spin_unlock_bh(&vsi->mac_filter_list_lock); |
2111 | ||
5c3c48ac JB |
2112 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); |
2113 | /* program mac filter */ | |
17652c63 | 2114 | if (i40e_sync_vsi_filters(vsi)) { |
5c3c48ac JB |
2115 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
2116 | ret = -EIO; | |
2117 | goto error_param; | |
2118 | } | |
9a173901 | 2119 | ether_addr_copy(vf->default_lan_addr.addr, mac); |
f657a6e1 | 2120 | vf->pf_set_mac = true; |
17413a80 GR |
2121 | /* Force the VF driver stop so it has to reload with new MAC address */ |
2122 | i40e_vc_disable_vf(pf, vf); | |
5c3c48ac | 2123 | dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); |
5c3c48ac JB |
2124 | |
2125 | error_param: | |
2126 | return ret; | |
2127 | } | |
2128 | ||
2129 | /** | |
2130 | * i40e_ndo_set_vf_port_vlan | |
2131 | * @netdev: network interface device structure | |
b40c82e6 | 2132 | * @vf_id: VF identifier |
5c3c48ac JB |
2133 | * @vlan_id: mac address |
2134 | * @qos: priority setting | |
2135 | * | |
b40c82e6 | 2136 | * program VF vlan id and/or qos |
5c3c48ac JB |
2137 | **/ |
2138 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, | |
2139 | int vf_id, u16 vlan_id, u8 qos) | |
2140 | { | |
f7fc2f2e | 2141 | u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT); |
5c3c48ac JB |
2142 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2143 | struct i40e_pf *pf = np->vsi->back; | |
21659035 | 2144 | bool is_vsi_in_vlan = false; |
5c3c48ac JB |
2145 | struct i40e_vsi *vsi; |
2146 | struct i40e_vf *vf; | |
2147 | int ret = 0; | |
2148 | ||
2149 | /* validate the request */ | |
2150 | if (vf_id >= pf->num_alloc_vfs) { | |
2151 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2152 | ret = -EINVAL; | |
2153 | goto error_pvid; | |
2154 | } | |
2155 | ||
2156 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { | |
2157 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); | |
2158 | ret = -EINVAL; | |
2159 | goto error_pvid; | |
2160 | } | |
2161 | ||
2162 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2163 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2164 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2165 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2166 | ret = -EINVAL; | |
2167 | goto error_pvid; | |
2168 | } | |
2169 | ||
f7fc2f2e | 2170 | if (le16_to_cpu(vsi->info.pvid) == vlanprio) |
85927ec1 MW |
2171 | /* duplicate request, so just return success */ |
2172 | goto error_pvid; | |
2173 | ||
21659035 KP |
2174 | spin_lock_bh(&vsi->mac_filter_list_lock); |
2175 | is_vsi_in_vlan = i40e_is_vsi_in_vlan(vsi); | |
2176 | spin_unlock_bh(&vsi->mac_filter_list_lock); | |
2177 | ||
2178 | if (le16_to_cpu(vsi->info.pvid) == 0 && is_vsi_in_vlan) { | |
99a4973c GR |
2179 | dev_err(&pf->pdev->dev, |
2180 | "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", | |
2181 | vf_id); | |
f9b4b627 GR |
2182 | /* Administrator Error - knock the VF offline until he does |
2183 | * the right thing by reconfiguring his network correctly | |
2184 | * and then reloading the VF driver. | |
2185 | */ | |
2186 | i40e_vc_disable_vf(pf, vf); | |
2187 | } | |
99a4973c | 2188 | |
8d82a7c5 GR |
2189 | /* Check for condition where there was already a port VLAN ID |
2190 | * filter set and now it is being deleted by setting it to zero. | |
1315f7c3 GR |
2191 | * Additionally check for the condition where there was a port |
2192 | * VLAN but now there is a new and different port VLAN being set. | |
8d82a7c5 GR |
2193 | * Before deleting all the old VLAN filters we must add new ones |
2194 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our | |
2195 | * MAC addresses deleted. | |
2196 | */ | |
1315f7c3 | 2197 | if ((!(vlan_id || qos) || |
f7fc2f2e | 2198 | vlanprio != le16_to_cpu(vsi->info.pvid)) && |
1315f7c3 | 2199 | vsi->info.pvid) |
8d82a7c5 GR |
2200 | ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); |
2201 | ||
5c3c48ac JB |
2202 | if (vsi->info.pvid) { |
2203 | /* kill old VLAN */ | |
2204 | ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & | |
2205 | VLAN_VID_MASK)); | |
2206 | if (ret) { | |
2207 | dev_info(&vsi->back->pdev->dev, | |
2208 | "remove VLAN failed, ret=%d, aq_err=%d\n", | |
2209 | ret, pf->hw.aq.asq_last_status); | |
2210 | } | |
2211 | } | |
2212 | if (vlan_id || qos) | |
f7fc2f2e | 2213 | ret = i40e_vsi_add_pvid(vsi, vlanprio); |
5c3c48ac | 2214 | else |
6c12fcbf | 2215 | i40e_vsi_remove_pvid(vsi); |
5c3c48ac JB |
2216 | |
2217 | if (vlan_id) { | |
2218 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", | |
2219 | vlan_id, qos, vf_id); | |
2220 | ||
2221 | /* add new VLAN filter */ | |
2222 | ret = i40e_vsi_add_vlan(vsi, vlan_id); | |
2223 | if (ret) { | |
2224 | dev_info(&vsi->back->pdev->dev, | |
2225 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, | |
2226 | vsi->back->hw.aq.asq_last_status); | |
2227 | goto error_pvid; | |
2228 | } | |
8d82a7c5 GR |
2229 | /* Kill non-vlan MAC filters - ignore error return since |
2230 | * there might not be any non-vlan MAC filters. | |
2231 | */ | |
2232 | i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); | |
5c3c48ac JB |
2233 | } |
2234 | ||
2235 | if (ret) { | |
2236 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); | |
2237 | goto error_pvid; | |
2238 | } | |
6c12fcbf GR |
2239 | /* The Port VLAN needs to be saved across resets the same as the |
2240 | * default LAN MAC address. | |
2241 | */ | |
2242 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); | |
5c3c48ac JB |
2243 | ret = 0; |
2244 | ||
2245 | error_pvid: | |
2246 | return ret; | |
2247 | } | |
2248 | ||
84590fd9 MW |
2249 | #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ |
2250 | #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */ | |
5c3c48ac JB |
2251 | /** |
2252 | * i40e_ndo_set_vf_bw | |
2253 | * @netdev: network interface device structure | |
b40c82e6 JK |
2254 | * @vf_id: VF identifier |
2255 | * @tx_rate: Tx rate | |
5c3c48ac | 2256 | * |
b40c82e6 | 2257 | * configure VF Tx rate |
5c3c48ac | 2258 | **/ |
ed616689 SC |
2259 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, |
2260 | int max_tx_rate) | |
5c3c48ac | 2261 | { |
6b192891 MW |
2262 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2263 | struct i40e_pf *pf = np->vsi->back; | |
2264 | struct i40e_vsi *vsi; | |
2265 | struct i40e_vf *vf; | |
2266 | int speed = 0; | |
2267 | int ret = 0; | |
2268 | ||
2269 | /* validate the request */ | |
2270 | if (vf_id >= pf->num_alloc_vfs) { | |
2271 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); | |
2272 | ret = -EINVAL; | |
2273 | goto error; | |
2274 | } | |
2275 | ||
ed616689 | 2276 | if (min_tx_rate) { |
b40c82e6 | 2277 | dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n", |
ed616689 SC |
2278 | min_tx_rate, vf_id); |
2279 | return -EINVAL; | |
2280 | } | |
2281 | ||
6b192891 | 2282 | vf = &(pf->vf[vf_id]); |
fdf0e0bf | 2283 | vsi = pf->vsi[vf->lan_vsi_idx]; |
6b192891 MW |
2284 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2285 | dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id); | |
2286 | ret = -EINVAL; | |
2287 | goto error; | |
2288 | } | |
2289 | ||
2290 | switch (pf->hw.phy.link_info.link_speed) { | |
2291 | case I40E_LINK_SPEED_40GB: | |
2292 | speed = 40000; | |
2293 | break; | |
2294 | case I40E_LINK_SPEED_10GB: | |
2295 | speed = 10000; | |
2296 | break; | |
2297 | case I40E_LINK_SPEED_1GB: | |
2298 | speed = 1000; | |
2299 | break; | |
2300 | default: | |
2301 | break; | |
2302 | } | |
2303 | ||
ed616689 | 2304 | if (max_tx_rate > speed) { |
b40c82e6 | 2305 | dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.", |
ed616689 | 2306 | max_tx_rate, vf->vf_id); |
6b192891 MW |
2307 | ret = -EINVAL; |
2308 | goto error; | |
2309 | } | |
2310 | ||
dac9b31a MW |
2311 | if ((max_tx_rate < 50) && (max_tx_rate > 0)) { |
2312 | dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n"); | |
2313 | max_tx_rate = 50; | |
2314 | } | |
2315 | ||
6b192891 | 2316 | /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ |
84590fd9 MW |
2317 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
2318 | max_tx_rate / I40E_BW_CREDIT_DIVISOR, | |
2319 | I40E_MAX_BW_INACTIVE_ACCUM, NULL); | |
6b192891 | 2320 | if (ret) { |
ed616689 | 2321 | dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n", |
6b192891 MW |
2322 | ret); |
2323 | ret = -EIO; | |
2324 | goto error; | |
2325 | } | |
ed616689 | 2326 | vf->tx_rate = max_tx_rate; |
6b192891 MW |
2327 | error: |
2328 | return ret; | |
5c3c48ac JB |
2329 | } |
2330 | ||
2331 | /** | |
2332 | * i40e_ndo_get_vf_config | |
2333 | * @netdev: network interface device structure | |
b40c82e6 JK |
2334 | * @vf_id: VF identifier |
2335 | * @ivi: VF configuration structure | |
5c3c48ac | 2336 | * |
b40c82e6 | 2337 | * return VF configuration |
5c3c48ac JB |
2338 | **/ |
2339 | int i40e_ndo_get_vf_config(struct net_device *netdev, | |
2340 | int vf_id, struct ifla_vf_info *ivi) | |
2341 | { | |
2342 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
5c3c48ac JB |
2343 | struct i40e_vsi *vsi = np->vsi; |
2344 | struct i40e_pf *pf = vsi->back; | |
2345 | struct i40e_vf *vf; | |
2346 | int ret = 0; | |
2347 | ||
2348 | /* validate the request */ | |
2349 | if (vf_id >= pf->num_alloc_vfs) { | |
2350 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2351 | ret = -EINVAL; | |
2352 | goto error_param; | |
2353 | } | |
2354 | ||
2355 | vf = &(pf->vf[vf_id]); | |
2356 | /* first vsi is always the LAN vsi */ | |
fdf0e0bf | 2357 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2358 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2359 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2360 | ret = -EINVAL; | |
2361 | goto error_param; | |
2362 | } | |
2363 | ||
2364 | ivi->vf = vf_id; | |
2365 | ||
6995b36c | 2366 | ether_addr_copy(ivi->mac, vf->default_lan_addr.addr); |
5c3c48ac | 2367 | |
ed616689 SC |
2368 | ivi->max_tx_rate = vf->tx_rate; |
2369 | ivi->min_tx_rate = 0; | |
5c3c48ac JB |
2370 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; |
2371 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> | |
2372 | I40E_VLAN_PRIORITY_SHIFT; | |
84ca55a0 MW |
2373 | if (vf->link_forced == false) |
2374 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; | |
2375 | else if (vf->link_up == true) | |
2376 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; | |
2377 | else | |
2378 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; | |
c674d125 | 2379 | ivi->spoofchk = vf->spoofchk; |
5c3c48ac JB |
2380 | ret = 0; |
2381 | ||
2382 | error_param: | |
2383 | return ret; | |
2384 | } | |
588aefa0 MW |
2385 | |
2386 | /** | |
2387 | * i40e_ndo_set_vf_link_state | |
2388 | * @netdev: network interface device structure | |
b40c82e6 | 2389 | * @vf_id: VF identifier |
588aefa0 MW |
2390 | * @link: required link state |
2391 | * | |
2392 | * Set the link state of a specified VF, regardless of physical link state | |
2393 | **/ | |
2394 | int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) | |
2395 | { | |
2396 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2397 | struct i40e_pf *pf = np->vsi->back; | |
2398 | struct i40e_virtchnl_pf_event pfe; | |
2399 | struct i40e_hw *hw = &pf->hw; | |
2400 | struct i40e_vf *vf; | |
f19efbb5 | 2401 | int abs_vf_id; |
588aefa0 MW |
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_out; | |
2409 | } | |
2410 | ||
2411 | vf = &pf->vf[vf_id]; | |
f19efbb5 | 2412 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
588aefa0 MW |
2413 | |
2414 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; | |
2415 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; | |
2416 | ||
2417 | switch (link) { | |
2418 | case IFLA_VF_LINK_STATE_AUTO: | |
2419 | vf->link_forced = false; | |
2420 | pfe.event_data.link_event.link_status = | |
2421 | pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; | |
2422 | pfe.event_data.link_event.link_speed = | |
2423 | pf->hw.phy.link_info.link_speed; | |
2424 | break; | |
2425 | case IFLA_VF_LINK_STATE_ENABLE: | |
2426 | vf->link_forced = true; | |
2427 | vf->link_up = true; | |
2428 | pfe.event_data.link_event.link_status = true; | |
2429 | pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB; | |
2430 | break; | |
2431 | case IFLA_VF_LINK_STATE_DISABLE: | |
2432 | vf->link_forced = true; | |
2433 | vf->link_up = false; | |
2434 | pfe.event_data.link_event.link_status = false; | |
2435 | pfe.event_data.link_event.link_speed = 0; | |
2436 | break; | |
2437 | default: | |
2438 | ret = -EINVAL; | |
2439 | goto error_out; | |
2440 | } | |
2441 | /* Notify the VF of its new link state */ | |
f19efbb5 | 2442 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
588aefa0 MW |
2443 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
2444 | ||
2445 | error_out: | |
2446 | return ret; | |
2447 | } | |
c674d125 MW |
2448 | |
2449 | /** | |
2450 | * i40e_ndo_set_vf_spoofchk | |
2451 | * @netdev: network interface device structure | |
b40c82e6 | 2452 | * @vf_id: VF identifier |
c674d125 MW |
2453 | * @enable: flag to enable or disable feature |
2454 | * | |
2455 | * Enable or disable VF spoof checking | |
2456 | **/ | |
e6d9004d | 2457 | int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable) |
c674d125 MW |
2458 | { |
2459 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2460 | struct i40e_vsi *vsi = np->vsi; | |
2461 | struct i40e_pf *pf = vsi->back; | |
2462 | struct i40e_vsi_context ctxt; | |
2463 | struct i40e_hw *hw = &pf->hw; | |
2464 | struct i40e_vf *vf; | |
2465 | int ret = 0; | |
2466 | ||
2467 | /* validate the request */ | |
2468 | if (vf_id >= pf->num_alloc_vfs) { | |
2469 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2470 | ret = -EINVAL; | |
2471 | goto out; | |
2472 | } | |
2473 | ||
2474 | vf = &(pf->vf[vf_id]); | |
2475 | ||
2476 | if (enable == vf->spoofchk) | |
2477 | goto out; | |
2478 | ||
2479 | vf->spoofchk = enable; | |
2480 | memset(&ctxt, 0, sizeof(ctxt)); | |
fdf0e0bf | 2481 | ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid; |
c674d125 MW |
2482 | ctxt.pf_num = pf->hw.pf_id; |
2483 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); | |
2484 | if (enable) | |
30d71af5 GR |
2485 | ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | |
2486 | I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); | |
c674d125 MW |
2487 | ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); |
2488 | if (ret) { | |
2489 | dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", | |
2490 | ret); | |
2491 | ret = -EIO; | |
2492 | } | |
2493 | out: | |
2494 | return ret; | |
2495 | } |