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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)); | |
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}; |
fdf0e0bf | 539 | vf->lan_vsi_idx = vsi->idx; |
5c3c48ac | 540 | vf->lan_vsi_id = vsi->id; |
6c12fcbf GR |
541 | /* If the port VLAN has been configured and then the |
542 | * VF driver was removed then the VSI port VLAN | |
543 | * configuration was destroyed. Check if there is | |
544 | * a port VLAN and restore the VSI configuration if | |
545 | * needed. | |
546 | */ | |
547 | if (vf->port_vlan_id) | |
548 | i40e_vsi_add_pvid(vsi, vf->port_vlan_id); | |
5c3c48ac | 549 | f = i40e_add_filter(vsi, vf->default_lan_addr.addr, |
e995163c MW |
550 | vf->port_vlan_id ? vf->port_vlan_id : -1, |
551 | true, false); | |
1a10370a GR |
552 | if (!f) |
553 | dev_info(&pf->pdev->dev, | |
554 | "Could not allocate VF MAC addr\n"); | |
e995163c MW |
555 | f = i40e_add_filter(vsi, brdcast, |
556 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
1a10370a GR |
557 | true, false); |
558 | if (!f) | |
559 | dev_info(&pf->pdev->dev, | |
560 | "Could not allocate VF broadcast filter\n"); | |
5c3c48ac | 561 | } |
6dbbbfb2 | 562 | |
5c3c48ac | 563 | /* program mac filter */ |
30e2561b | 564 | ret = i40e_sync_vsi_filters(vsi, false); |
fd1646ee | 565 | if (ret) |
5c3c48ac | 566 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
5c3c48ac | 567 | |
6b192891 MW |
568 | /* Set VF bandwidth if specified */ |
569 | if (vf->tx_rate) { | |
570 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, | |
571 | vf->tx_rate / 50, 0, NULL); | |
572 | if (ret) | |
573 | dev_err(&pf->pdev->dev, "Unable to set tx rate, VF %d, error code %d.\n", | |
574 | vf->vf_id, ret); | |
575 | } | |
576 | ||
5c3c48ac JB |
577 | error_alloc_vsi_res: |
578 | return ret; | |
579 | } | |
580 | ||
805bd5bd MW |
581 | /** |
582 | * i40e_enable_vf_mappings | |
b40c82e6 | 583 | * @vf: pointer to the VF info |
805bd5bd | 584 | * |
b40c82e6 | 585 | * enable VF mappings |
805bd5bd MW |
586 | **/ |
587 | static void i40e_enable_vf_mappings(struct i40e_vf *vf) | |
588 | { | |
589 | struct i40e_pf *pf = vf->pf; | |
590 | struct i40e_hw *hw = &pf->hw; | |
591 | u32 reg, total_queue_pairs = 0; | |
592 | int j; | |
593 | ||
594 | /* Tell the hardware we're using noncontiguous mapping. HW requires | |
595 | * that VF queues be mapped using this method, even when they are | |
596 | * contiguous in real life | |
597 | */ | |
598 | wr32(hw, I40E_VSILAN_QBASE(vf->lan_vsi_id), | |
599 | I40E_VSILAN_QBASE_VSIQTABLE_ENA_MASK); | |
600 | ||
601 | /* enable VF vplan_qtable mappings */ | |
602 | reg = I40E_VPLAN_MAPENA_TXRX_ENA_MASK; | |
603 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), reg); | |
604 | ||
605 | /* map PF queues to VF queues */ | |
fdf0e0bf ASJ |
606 | for (j = 0; j < pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; j++) { |
607 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, j); | |
805bd5bd MW |
608 | reg = (qid & I40E_VPLAN_QTABLE_QINDEX_MASK); |
609 | wr32(hw, I40E_VPLAN_QTABLE(total_queue_pairs, vf->vf_id), reg); | |
610 | total_queue_pairs++; | |
611 | } | |
612 | ||
613 | /* map PF queues to VSI */ | |
614 | for (j = 0; j < 7; j++) { | |
fdf0e0bf | 615 | if (j * 2 >= pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs) { |
805bd5bd MW |
616 | reg = 0x07FF07FF; /* unused */ |
617 | } else { | |
fdf0e0bf | 618 | u16 qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
619 | j * 2); |
620 | reg = qid; | |
fdf0e0bf | 621 | qid = i40e_vc_get_pf_queue_id(vf, vf->lan_vsi_id, |
805bd5bd MW |
622 | (j * 2) + 1); |
623 | reg |= qid << 16; | |
624 | } | |
625 | wr32(hw, I40E_VSILAN_QTABLE(j, vf->lan_vsi_id), reg); | |
626 | } | |
627 | ||
628 | i40e_flush(hw); | |
629 | } | |
630 | ||
631 | /** | |
632 | * i40e_disable_vf_mappings | |
b40c82e6 | 633 | * @vf: pointer to the VF info |
805bd5bd | 634 | * |
b40c82e6 | 635 | * disable VF mappings |
805bd5bd MW |
636 | **/ |
637 | static void i40e_disable_vf_mappings(struct i40e_vf *vf) | |
638 | { | |
639 | struct i40e_pf *pf = vf->pf; | |
640 | struct i40e_hw *hw = &pf->hw; | |
641 | int i; | |
642 | ||
643 | /* disable qp mappings */ | |
644 | wr32(hw, I40E_VPLAN_MAPENA(vf->vf_id), 0); | |
645 | for (i = 0; i < I40E_MAX_VSI_QP; i++) | |
646 | wr32(hw, I40E_VPLAN_QTABLE(i, vf->vf_id), | |
647 | I40E_QUEUE_END_OF_LIST); | |
648 | i40e_flush(hw); | |
649 | } | |
650 | ||
651 | /** | |
652 | * i40e_free_vf_res | |
b40c82e6 | 653 | * @vf: pointer to the VF info |
805bd5bd | 654 | * |
b40c82e6 | 655 | * free VF resources |
805bd5bd MW |
656 | **/ |
657 | static void i40e_free_vf_res(struct i40e_vf *vf) | |
658 | { | |
659 | struct i40e_pf *pf = vf->pf; | |
fc18eaa0 MW |
660 | struct i40e_hw *hw = &pf->hw; |
661 | u32 reg_idx, reg; | |
662 | int i, msix_vf; | |
805bd5bd MW |
663 | |
664 | /* free vsi & disconnect it from the parent uplink */ | |
fdf0e0bf ASJ |
665 | if (vf->lan_vsi_idx) { |
666 | i40e_vsi_release(pf->vsi[vf->lan_vsi_idx]); | |
667 | vf->lan_vsi_idx = 0; | |
805bd5bd MW |
668 | vf->lan_vsi_id = 0; |
669 | } | |
9347eb77 MW |
670 | msix_vf = pf->hw.func_caps.num_msix_vectors_vf; |
671 | ||
fc18eaa0 MW |
672 | /* disable interrupts so the VF starts in a known state */ |
673 | for (i = 0; i < msix_vf; i++) { | |
674 | /* format is same for both registers */ | |
675 | if (0 == i) | |
676 | reg_idx = I40E_VFINT_DYN_CTL0(vf->vf_id); | |
677 | else | |
678 | reg_idx = I40E_VFINT_DYN_CTLN(((msix_vf - 1) * | |
679 | (vf->vf_id)) | |
680 | + (i - 1)); | |
681 | wr32(hw, reg_idx, I40E_VFINT_DYN_CTLN_CLEARPBA_MASK); | |
682 | i40e_flush(hw); | |
683 | } | |
805bd5bd | 684 | |
fc18eaa0 MW |
685 | /* clear the irq settings */ |
686 | for (i = 0; i < msix_vf; i++) { | |
687 | /* format is same for both registers */ | |
688 | if (0 == i) | |
689 | reg_idx = I40E_VPINT_LNKLST0(vf->vf_id); | |
690 | else | |
691 | reg_idx = I40E_VPINT_LNKLSTN(((msix_vf - 1) * | |
692 | (vf->vf_id)) | |
693 | + (i - 1)); | |
694 | reg = (I40E_VPINT_LNKLSTN_FIRSTQ_TYPE_MASK | | |
695 | I40E_VPINT_LNKLSTN_FIRSTQ_INDX_MASK); | |
696 | wr32(hw, reg_idx, reg); | |
697 | i40e_flush(hw); | |
698 | } | |
805bd5bd MW |
699 | /* reset some of the state varibles keeping |
700 | * track of the resources | |
701 | */ | |
702 | vf->num_queue_pairs = 0; | |
703 | vf->vf_states = 0; | |
704 | } | |
705 | ||
706 | /** | |
707 | * i40e_alloc_vf_res | |
b40c82e6 | 708 | * @vf: pointer to the VF info |
805bd5bd | 709 | * |
b40c82e6 | 710 | * allocate VF resources |
805bd5bd MW |
711 | **/ |
712 | static int i40e_alloc_vf_res(struct i40e_vf *vf) | |
713 | { | |
714 | struct i40e_pf *pf = vf->pf; | |
715 | int total_queue_pairs = 0; | |
716 | int ret; | |
717 | ||
718 | /* allocate hw vsi context & associated resources */ | |
719 | ret = i40e_alloc_vsi_res(vf, I40E_VSI_SRIOV); | |
720 | if (ret) | |
721 | goto error_alloc; | |
fdf0e0bf | 722 | total_queue_pairs += pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
805bd5bd MW |
723 | set_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); |
724 | ||
725 | /* store the total qps number for the runtime | |
b40c82e6 | 726 | * VF req validation |
805bd5bd MW |
727 | */ |
728 | vf->num_queue_pairs = total_queue_pairs; | |
729 | ||
b40c82e6 | 730 | /* VF is now completely initialized */ |
805bd5bd MW |
731 | set_bit(I40E_VF_STAT_INIT, &vf->vf_states); |
732 | ||
733 | error_alloc: | |
734 | if (ret) | |
735 | i40e_free_vf_res(vf); | |
736 | ||
737 | return ret; | |
738 | } | |
739 | ||
fc18eaa0 MW |
740 | #define VF_DEVICE_STATUS 0xAA |
741 | #define VF_TRANS_PENDING_MASK 0x20 | |
742 | /** | |
743 | * i40e_quiesce_vf_pci | |
b40c82e6 | 744 | * @vf: pointer to the VF structure |
fc18eaa0 MW |
745 | * |
746 | * Wait for VF PCI transactions to be cleared after reset. Returns -EIO | |
747 | * if the transactions never clear. | |
748 | **/ | |
749 | static int i40e_quiesce_vf_pci(struct i40e_vf *vf) | |
750 | { | |
751 | struct i40e_pf *pf = vf->pf; | |
752 | struct i40e_hw *hw = &pf->hw; | |
753 | int vf_abs_id, i; | |
754 | u32 reg; | |
755 | ||
b141d619 | 756 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; |
fc18eaa0 MW |
757 | |
758 | wr32(hw, I40E_PF_PCI_CIAA, | |
759 | VF_DEVICE_STATUS | (vf_abs_id << I40E_PF_PCI_CIAA_VF_NUM_SHIFT)); | |
760 | for (i = 0; i < 100; i++) { | |
761 | reg = rd32(hw, I40E_PF_PCI_CIAD); | |
762 | if ((reg & VF_TRANS_PENDING_MASK) == 0) | |
763 | return 0; | |
764 | udelay(1); | |
765 | } | |
766 | return -EIO; | |
767 | } | |
768 | ||
5c3c48ac JB |
769 | /** |
770 | * i40e_reset_vf | |
b40c82e6 | 771 | * @vf: pointer to the VF structure |
5c3c48ac JB |
772 | * @flr: VFLR was issued or not |
773 | * | |
b40c82e6 | 774 | * reset the VF |
5c3c48ac | 775 | **/ |
fc18eaa0 | 776 | void i40e_reset_vf(struct i40e_vf *vf, bool flr) |
5c3c48ac | 777 | { |
5c3c48ac JB |
778 | struct i40e_pf *pf = vf->pf; |
779 | struct i40e_hw *hw = &pf->hw; | |
5c3c48ac | 780 | bool rsd = false; |
fc18eaa0 MW |
781 | int i; |
782 | u32 reg; | |
5c3c48ac | 783 | |
3ba9bcb4 MW |
784 | if (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
785 | return; | |
786 | ||
5c3c48ac | 787 | /* warn the VF */ |
5c3c48ac JB |
788 | clear_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
789 | ||
fc18eaa0 MW |
790 | /* In the case of a VFLR, the HW has already reset the VF and we |
791 | * just need to clean up, so don't hit the VFRTRIG register. | |
5c3c48ac JB |
792 | */ |
793 | if (!flr) { | |
b40c82e6 | 794 | /* reset VF using VPGEN_VFRTRIG reg */ |
fc18eaa0 MW |
795 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); |
796 | reg |= I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
5c3c48ac JB |
797 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); |
798 | i40e_flush(hw); | |
799 | } | |
800 | ||
fc18eaa0 MW |
801 | if (i40e_quiesce_vf_pci(vf)) |
802 | dev_err(&pf->pdev->dev, "VF %d PCI transactions stuck\n", | |
803 | vf->vf_id); | |
804 | ||
5c3c48ac JB |
805 | /* poll VPGEN_VFRSTAT reg to make sure |
806 | * that reset is complete | |
807 | */ | |
1750a22f MW |
808 | for (i = 0; i < 10; i++) { |
809 | /* VF reset requires driver to first reset the VF and then | |
810 | * poll the status register to make sure that the reset | |
811 | * completed successfully. Due to internal HW FIFO flushes, | |
812 | * we must wait 10ms before the register will be valid. | |
5c3c48ac | 813 | */ |
1750a22f | 814 | usleep_range(10000, 20000); |
5c3c48ac JB |
815 | reg = rd32(hw, I40E_VPGEN_VFRSTAT(vf->vf_id)); |
816 | if (reg & I40E_VPGEN_VFRSTAT_VFRD_MASK) { | |
817 | rsd = true; | |
818 | break; | |
819 | } | |
820 | } | |
821 | ||
57175ac1 ASJ |
822 | if (flr) |
823 | usleep_range(10000, 20000); | |
824 | ||
5c3c48ac | 825 | if (!rsd) |
fc18eaa0 | 826 | dev_err(&pf->pdev->dev, "VF reset check timeout on VF %d\n", |
5c3c48ac | 827 | vf->vf_id); |
fc18eaa0 | 828 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_COMPLETED); |
5c3c48ac JB |
829 | /* clear the reset bit in the VPGEN_VFRTRIG reg */ |
830 | reg = rd32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id)); | |
831 | reg &= ~I40E_VPGEN_VFRTRIG_VFSWR_MASK; | |
832 | wr32(hw, I40E_VPGEN_VFRTRIG(vf->vf_id), reg); | |
fc18eaa0 MW |
833 | |
834 | /* On initial reset, we won't have any queues */ | |
fdf0e0bf | 835 | if (vf->lan_vsi_idx == 0) |
fc18eaa0 MW |
836 | goto complete_reset; |
837 | ||
fdf0e0bf | 838 | i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false); |
fc18eaa0 | 839 | complete_reset: |
b40c82e6 | 840 | /* reallocate VF resources to reset the VSI state */ |
fc18eaa0 | 841 | i40e_free_vf_res(vf); |
fc18eaa0 MW |
842 | i40e_alloc_vf_res(vf); |
843 | i40e_enable_vf_mappings(vf); | |
c17b362b | 844 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); |
5b8f8505 | 845 | clear_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); |
fc18eaa0 | 846 | |
5c3c48ac | 847 | /* tell the VF the reset is done */ |
fc18eaa0 | 848 | wr32(hw, I40E_VFGEN_RSTAT1(vf->vf_id), I40E_VFR_VFACTIVE); |
5c3c48ac | 849 | i40e_flush(hw); |
3ba9bcb4 | 850 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac | 851 | } |
c354229f | 852 | |
5c3c48ac JB |
853 | /** |
854 | * i40e_free_vfs | |
b40c82e6 | 855 | * @pf: pointer to the PF structure |
5c3c48ac | 856 | * |
b40c82e6 | 857 | * free VF resources |
5c3c48ac JB |
858 | **/ |
859 | void i40e_free_vfs(struct i40e_pf *pf) | |
860 | { | |
f7414531 MW |
861 | struct i40e_hw *hw = &pf->hw; |
862 | u32 reg_idx, bit_idx; | |
863 | int i, tmp, vf_id; | |
5c3c48ac JB |
864 | |
865 | if (!pf->vf) | |
866 | return; | |
3ba9bcb4 MW |
867 | while (test_and_set_bit(__I40E_VF_DISABLE, &pf->state)) |
868 | usleep_range(1000, 2000); | |
5c3c48ac | 869 | |
44434638 MW |
870 | for (i = 0; i < pf->num_alloc_vfs; i++) |
871 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) | |
872 | i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], | |
873 | false); | |
0325fca7 MW |
874 | |
875 | for (i = 0; i < pf->num_alloc_vfs; i++) | |
876 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) | |
877 | i40e_vsi_control_rings(pf->vsi[pf->vf[i].lan_vsi_idx], | |
878 | false); | |
44434638 | 879 | |
6a9ddb36 MW |
880 | /* Disable IOV before freeing resources. This lets any VF drivers |
881 | * running in the host get themselves cleaned up before we yank | |
882 | * the carpet out from underneath their feet. | |
883 | */ | |
884 | if (!pci_vfs_assigned(pf->pdev)) | |
885 | pci_disable_sriov(pf->pdev); | |
6d7b967d MW |
886 | else |
887 | dev_warn(&pf->pdev->dev, "VFs are assigned - not disabling SR-IOV\n"); | |
6a9ddb36 MW |
888 | |
889 | msleep(20); /* let any messages in transit get finished up */ | |
890 | ||
b40c82e6 | 891 | /* free up VF resources */ |
6c1b5bff MW |
892 | tmp = pf->num_alloc_vfs; |
893 | pf->num_alloc_vfs = 0; | |
894 | for (i = 0; i < tmp; i++) { | |
5c3c48ac JB |
895 | if (test_bit(I40E_VF_STAT_INIT, &pf->vf[i].vf_states)) |
896 | i40e_free_vf_res(&pf->vf[i]); | |
897 | /* disable qp mappings */ | |
898 | i40e_disable_vf_mappings(&pf->vf[i]); | |
899 | } | |
900 | ||
901 | kfree(pf->vf); | |
902 | pf->vf = NULL; | |
5c3c48ac | 903 | |
9e5634df MW |
904 | /* This check is for when the driver is unloaded while VFs are |
905 | * assigned. Setting the number of VFs to 0 through sysfs is caught | |
906 | * before this function ever gets called. | |
907 | */ | |
c24817b6 | 908 | if (!pci_vfs_assigned(pf->pdev)) { |
f7414531 MW |
909 | /* Acknowledge VFLR for all VFS. Without this, VFs will fail to |
910 | * work correctly when SR-IOV gets re-enabled. | |
911 | */ | |
912 | for (vf_id = 0; vf_id < tmp; vf_id++) { | |
913 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
914 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
41a1d04b | 915 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
f7414531 | 916 | } |
c354229f | 917 | } |
3ba9bcb4 | 918 | clear_bit(__I40E_VF_DISABLE, &pf->state); |
5c3c48ac JB |
919 | } |
920 | ||
921 | #ifdef CONFIG_PCI_IOV | |
922 | /** | |
923 | * i40e_alloc_vfs | |
b40c82e6 JK |
924 | * @pf: pointer to the PF structure |
925 | * @num_alloc_vfs: number of VFs to allocate | |
5c3c48ac | 926 | * |
b40c82e6 | 927 | * allocate VF resources |
5c3c48ac | 928 | **/ |
4aeec010 | 929 | int i40e_alloc_vfs(struct i40e_pf *pf, u16 num_alloc_vfs) |
5c3c48ac JB |
930 | { |
931 | struct i40e_vf *vfs; | |
932 | int i, ret = 0; | |
933 | ||
6c1b5bff | 934 | /* Disable interrupt 0 so we don't try to handle the VFLR. */ |
2ef28cfb MW |
935 | i40e_irq_dynamic_disable_icr0(pf); |
936 | ||
4aeec010 MW |
937 | /* Check to see if we're just allocating resources for extant VFs */ |
938 | if (pci_num_vf(pf->pdev) != num_alloc_vfs) { | |
939 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); | |
940 | if (ret) { | |
4aeec010 MW |
941 | pf->num_alloc_vfs = 0; |
942 | goto err_iov; | |
943 | } | |
5c3c48ac | 944 | } |
5c3c48ac | 945 | /* allocate memory */ |
cc6456af | 946 | vfs = kcalloc(num_alloc_vfs, sizeof(struct i40e_vf), GFP_KERNEL); |
5c3c48ac JB |
947 | if (!vfs) { |
948 | ret = -ENOMEM; | |
949 | goto err_alloc; | |
950 | } | |
c674d125 | 951 | pf->vf = vfs; |
5c3c48ac JB |
952 | |
953 | /* apply default profile */ | |
954 | for (i = 0; i < num_alloc_vfs; i++) { | |
955 | vfs[i].pf = pf; | |
956 | vfs[i].parent_type = I40E_SWITCH_ELEMENT_TYPE_VEB; | |
957 | vfs[i].vf_id = i; | |
958 | ||
959 | /* assign default capabilities */ | |
960 | set_bit(I40E_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); | |
c674d125 | 961 | vfs[i].spoofchk = true; |
b40c82e6 | 962 | /* VF resources get allocated during reset */ |
fc18eaa0 | 963 | i40e_reset_vf(&vfs[i], false); |
5c3c48ac | 964 | |
b40c82e6 | 965 | /* enable VF vplan_qtable mappings */ |
5c3c48ac JB |
966 | i40e_enable_vf_mappings(&vfs[i]); |
967 | } | |
5c3c48ac JB |
968 | pf->num_alloc_vfs = num_alloc_vfs; |
969 | ||
970 | err_alloc: | |
971 | if (ret) | |
972 | i40e_free_vfs(pf); | |
973 | err_iov: | |
6c1b5bff | 974 | /* Re-enable interrupt 0. */ |
2ef28cfb | 975 | i40e_irq_dynamic_enable_icr0(pf); |
5c3c48ac JB |
976 | return ret; |
977 | } | |
978 | ||
979 | #endif | |
980 | /** | |
981 | * i40e_pci_sriov_enable | |
982 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 983 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
984 | * |
985 | * Enable or change the number of VFs | |
986 | **/ | |
987 | static int i40e_pci_sriov_enable(struct pci_dev *pdev, int num_vfs) | |
988 | { | |
989 | #ifdef CONFIG_PCI_IOV | |
990 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
991 | int pre_existing_vfs = pci_num_vf(pdev); | |
992 | int err = 0; | |
993 | ||
e17bc411 GR |
994 | if (pf->state & __I40E_TESTING) { |
995 | dev_warn(&pdev->dev, | |
996 | "Cannot enable SR-IOV virtual functions while the device is undergoing diagnostic testing\n"); | |
997 | err = -EPERM; | |
998 | goto err_out; | |
999 | } | |
1000 | ||
5c3c48ac JB |
1001 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) |
1002 | i40e_free_vfs(pf); | |
1003 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) | |
1004 | goto out; | |
1005 | ||
1006 | if (num_vfs > pf->num_req_vfs) { | |
96c8d073 MW |
1007 | dev_warn(&pdev->dev, "Unable to enable %d VFs. Limited to %d VFs due to device resource constraints.\n", |
1008 | num_vfs, pf->num_req_vfs); | |
5c3c48ac JB |
1009 | err = -EPERM; |
1010 | goto err_out; | |
1011 | } | |
1012 | ||
96c8d073 | 1013 | dev_info(&pdev->dev, "Allocating %d VFs.\n", num_vfs); |
5c3c48ac JB |
1014 | err = i40e_alloc_vfs(pf, num_vfs); |
1015 | if (err) { | |
1016 | dev_warn(&pdev->dev, "Failed to enable SR-IOV: %d\n", err); | |
1017 | goto err_out; | |
1018 | } | |
1019 | ||
1020 | out: | |
1021 | return num_vfs; | |
1022 | ||
1023 | err_out: | |
1024 | return err; | |
1025 | #endif | |
1026 | return 0; | |
1027 | } | |
1028 | ||
1029 | /** | |
1030 | * i40e_pci_sriov_configure | |
1031 | * @pdev: pointer to a pci_dev structure | |
b40c82e6 | 1032 | * @num_vfs: number of VFs to allocate |
5c3c48ac JB |
1033 | * |
1034 | * Enable or change the number of VFs. Called when the user updates the number | |
1035 | * of VFs in sysfs. | |
1036 | **/ | |
1037 | int i40e_pci_sriov_configure(struct pci_dev *pdev, int num_vfs) | |
1038 | { | |
1039 | struct i40e_pf *pf = pci_get_drvdata(pdev); | |
1040 | ||
fc60861e ASJ |
1041 | if (num_vfs) { |
1042 | if (!(pf->flags & I40E_FLAG_VEB_MODE_ENABLED)) { | |
1043 | pf->flags |= I40E_FLAG_VEB_MODE_ENABLED; | |
1044 | i40e_do_reset_safe(pf, | |
1045 | BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
1046 | } | |
5c3c48ac | 1047 | return i40e_pci_sriov_enable(pdev, num_vfs); |
fc60861e | 1048 | } |
5c3c48ac | 1049 | |
c24817b6 | 1050 | if (!pci_vfs_assigned(pf->pdev)) { |
9e5634df | 1051 | i40e_free_vfs(pf); |
fc60861e ASJ |
1052 | pf->flags &= ~I40E_FLAG_VEB_MODE_ENABLED; |
1053 | i40e_do_reset_safe(pf, BIT_ULL(__I40E_PF_RESET_REQUESTED)); | |
9e5634df MW |
1054 | } else { |
1055 | dev_warn(&pdev->dev, "Unable to free VFs because some are assigned to VMs.\n"); | |
1056 | return -EINVAL; | |
1057 | } | |
5c3c48ac JB |
1058 | return 0; |
1059 | } | |
1060 | ||
1061 | /***********************virtual channel routines******************/ | |
1062 | ||
1063 | /** | |
1064 | * i40e_vc_send_msg_to_vf | |
b40c82e6 | 1065 | * @vf: pointer to the VF info |
5c3c48ac JB |
1066 | * @v_opcode: virtual channel opcode |
1067 | * @v_retval: virtual channel return value | |
1068 | * @msg: pointer to the msg buffer | |
1069 | * @msglen: msg length | |
1070 | * | |
b40c82e6 | 1071 | * send msg to VF |
5c3c48ac JB |
1072 | **/ |
1073 | static int i40e_vc_send_msg_to_vf(struct i40e_vf *vf, u32 v_opcode, | |
1074 | u32 v_retval, u8 *msg, u16 msglen) | |
1075 | { | |
6e7b5bd3 ASJ |
1076 | struct i40e_pf *pf; |
1077 | struct i40e_hw *hw; | |
1078 | int abs_vf_id; | |
5c3c48ac JB |
1079 | i40e_status aq_ret; |
1080 | ||
6e7b5bd3 ASJ |
1081 | /* validate the request */ |
1082 | if (!vf || vf->vf_id >= vf->pf->num_alloc_vfs) | |
1083 | return -EINVAL; | |
1084 | ||
1085 | pf = vf->pf; | |
1086 | hw = &pf->hw; | |
1087 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; | |
1088 | ||
5c3c48ac JB |
1089 | /* single place to detect unsuccessful return values */ |
1090 | if (v_retval) { | |
1091 | vf->num_invalid_msgs++; | |
1092 | dev_err(&pf->pdev->dev, "Failed opcode %d Error: %d\n", | |
1093 | v_opcode, v_retval); | |
1094 | if (vf->num_invalid_msgs > | |
1095 | I40E_DEFAULT_NUM_INVALID_MSGS_ALLOWED) { | |
1096 | dev_err(&pf->pdev->dev, | |
1097 | "Number of invalid messages exceeded for VF %d\n", | |
1098 | vf->vf_id); | |
1099 | dev_err(&pf->pdev->dev, "Use PF Control I/F to enable the VF\n"); | |
1100 | set_bit(I40E_VF_STAT_DISABLED, &vf->vf_states); | |
1101 | } | |
1102 | } else { | |
1103 | vf->num_valid_msgs++; | |
1104 | } | |
1105 | ||
f19efbb5 | 1106 | aq_ret = i40e_aq_send_msg_to_vf(hw, abs_vf_id, v_opcode, v_retval, |
7efa84b7 | 1107 | msg, msglen, NULL); |
5c3c48ac JB |
1108 | if (aq_ret) { |
1109 | dev_err(&pf->pdev->dev, | |
1110 | "Unable to send the message to VF %d aq_err %d\n", | |
1111 | vf->vf_id, pf->hw.aq.asq_last_status); | |
1112 | return -EIO; | |
1113 | } | |
1114 | ||
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | /** | |
1119 | * i40e_vc_send_resp_to_vf | |
b40c82e6 | 1120 | * @vf: pointer to the VF info |
5c3c48ac JB |
1121 | * @opcode: operation code |
1122 | * @retval: return value | |
1123 | * | |
b40c82e6 | 1124 | * send resp msg to VF |
5c3c48ac JB |
1125 | **/ |
1126 | static int i40e_vc_send_resp_to_vf(struct i40e_vf *vf, | |
1127 | enum i40e_virtchnl_ops opcode, | |
1128 | i40e_status retval) | |
1129 | { | |
1130 | return i40e_vc_send_msg_to_vf(vf, opcode, retval, NULL, 0); | |
1131 | } | |
1132 | ||
1133 | /** | |
1134 | * i40e_vc_get_version_msg | |
b40c82e6 | 1135 | * @vf: pointer to the VF info |
5c3c48ac | 1136 | * |
b40c82e6 | 1137 | * called from the VF to request the API version used by the PF |
5c3c48ac | 1138 | **/ |
f4ca1a22 | 1139 | static int i40e_vc_get_version_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1140 | { |
1141 | struct i40e_virtchnl_version_info info = { | |
1142 | I40E_VIRTCHNL_VERSION_MAJOR, I40E_VIRTCHNL_VERSION_MINOR | |
1143 | }; | |
1144 | ||
f4ca1a22 | 1145 | vf->vf_ver = *(struct i40e_virtchnl_version_info *)msg; |
606a5488 MW |
1146 | /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ |
1147 | if (VF_IS_V10(vf)) | |
1148 | info.minor = I40E_VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; | |
5c3c48ac JB |
1149 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_VERSION, |
1150 | I40E_SUCCESS, (u8 *)&info, | |
1151 | sizeof(struct | |
1152 | i40e_virtchnl_version_info)); | |
1153 | } | |
1154 | ||
1155 | /** | |
1156 | * i40e_vc_get_vf_resources_msg | |
b40c82e6 | 1157 | * @vf: pointer to the VF info |
5c3c48ac JB |
1158 | * @msg: pointer to the msg buffer |
1159 | * @msglen: msg length | |
1160 | * | |
b40c82e6 | 1161 | * called from the VF to request its resources |
5c3c48ac | 1162 | **/ |
f4ca1a22 | 1163 | static int i40e_vc_get_vf_resources_msg(struct i40e_vf *vf, u8 *msg) |
5c3c48ac JB |
1164 | { |
1165 | struct i40e_virtchnl_vf_resource *vfres = NULL; | |
1166 | struct i40e_pf *pf = vf->pf; | |
1167 | i40e_status aq_ret = 0; | |
1168 | struct i40e_vsi *vsi; | |
1169 | int i = 0, len = 0; | |
1170 | int num_vsis = 1; | |
1171 | int ret; | |
1172 | ||
1173 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { | |
1174 | aq_ret = I40E_ERR_PARAM; | |
1175 | goto err; | |
1176 | } | |
1177 | ||
1178 | len = (sizeof(struct i40e_virtchnl_vf_resource) + | |
1179 | sizeof(struct i40e_virtchnl_vsi_resource) * num_vsis); | |
1180 | ||
1181 | vfres = kzalloc(len, GFP_KERNEL); | |
1182 | if (!vfres) { | |
1183 | aq_ret = I40E_ERR_NO_MEMORY; | |
1184 | len = 0; | |
1185 | goto err; | |
1186 | } | |
f4ca1a22 MW |
1187 | if (VF_IS_V11(vf)) |
1188 | vf->driver_caps = *(u32 *)msg; | |
1189 | else | |
1190 | vf->driver_caps = I40E_VIRTCHNL_VF_OFFLOAD_L2 | | |
1191 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG | | |
1192 | I40E_VIRTCHNL_VF_OFFLOAD_VLAN; | |
5c3c48ac JB |
1193 | |
1194 | vfres->vf_offload_flags = I40E_VIRTCHNL_VF_OFFLOAD_L2; | |
fdf0e0bf | 1195 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac | 1196 | if (!vsi->info.pvid) |
e25d00b8 ASJ |
1197 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_VLAN; |
1198 | if (pf->flags & I40E_FLAG_RSS_AQ_CAPABLE) { | |
1199 | if (vf->driver_caps & I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ) | |
1200 | vfres->vf_offload_flags |= | |
1201 | I40E_VIRTCHNL_VF_OFFLOAD_RSS_AQ; | |
1202 | } else { | |
1203 | vfres->vf_offload_flags |= I40E_VIRTCHNL_VF_OFFLOAD_RSS_REG; | |
1204 | } | |
5c3c48ac JB |
1205 | vfres->num_vsis = num_vsis; |
1206 | vfres->num_queue_pairs = vf->num_queue_pairs; | |
1207 | vfres->max_vectors = pf->hw.func_caps.num_msix_vectors_vf; | |
fdf0e0bf ASJ |
1208 | if (vf->lan_vsi_idx) { |
1209 | vfres->vsi_res[i].vsi_id = vf->lan_vsi_id; | |
5c3c48ac JB |
1210 | vfres->vsi_res[i].vsi_type = I40E_VSI_SRIOV; |
1211 | vfres->vsi_res[i].num_queue_pairs = | |
fdf0e0bf | 1212 | pf->vsi[vf->lan_vsi_idx]->alloc_queue_pairs; |
5c3c48ac JB |
1213 | memcpy(vfres->vsi_res[i].default_mac_addr, |
1214 | vf->default_lan_addr.addr, ETH_ALEN); | |
1215 | i++; | |
1216 | } | |
1217 | set_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states); | |
1218 | ||
1219 | err: | |
b40c82e6 | 1220 | /* send the response back to the VF */ |
5c3c48ac JB |
1221 | ret = i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_VF_RESOURCES, |
1222 | aq_ret, (u8 *)vfres, len); | |
1223 | ||
1224 | kfree(vfres); | |
1225 | return ret; | |
1226 | } | |
1227 | ||
1228 | /** | |
1229 | * i40e_vc_reset_vf_msg | |
b40c82e6 | 1230 | * @vf: pointer to the VF info |
5c3c48ac JB |
1231 | * @msg: pointer to the msg buffer |
1232 | * @msglen: msg length | |
1233 | * | |
b40c82e6 JK |
1234 | * called from the VF to reset itself, |
1235 | * unlike other virtchnl messages, PF driver | |
1236 | * doesn't send the response back to the VF | |
5c3c48ac | 1237 | **/ |
fc18eaa0 | 1238 | static void i40e_vc_reset_vf_msg(struct i40e_vf *vf) |
5c3c48ac | 1239 | { |
fc18eaa0 MW |
1240 | if (test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) |
1241 | i40e_reset_vf(vf, false); | |
5c3c48ac JB |
1242 | } |
1243 | ||
1244 | /** | |
1245 | * i40e_vc_config_promiscuous_mode_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 configure the promiscuous mode of |
1251 | * VF vsis | |
5c3c48ac JB |
1252 | **/ |
1253 | static int i40e_vc_config_promiscuous_mode_msg(struct i40e_vf *vf, | |
1254 | u8 *msg, u16 msglen) | |
1255 | { | |
1256 | struct i40e_virtchnl_promisc_info *info = | |
1257 | (struct i40e_virtchnl_promisc_info *)msg; | |
1258 | struct i40e_pf *pf = vf->pf; | |
1259 | struct i40e_hw *hw = &pf->hw; | |
89cb86c3 | 1260 | struct i40e_vsi *vsi; |
5c3c48ac | 1261 | bool allmulti = false; |
5c3c48ac JB |
1262 | i40e_status aq_ret; |
1263 | ||
fdf0e0bf | 1264 | vsi = i40e_find_vsi_from_id(pf, info->vsi_id); |
5c3c48ac JB |
1265 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || |
1266 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1267 | !i40e_vc_isvalid_vsi_id(vf, info->vsi_id) || | |
fdf0e0bf | 1268 | (vsi->type != I40E_VSI_FCOE)) { |
5c3c48ac JB |
1269 | aq_ret = I40E_ERR_PARAM; |
1270 | goto error_param; | |
1271 | } | |
5c3c48ac JB |
1272 | if (info->flags & I40E_FLAG_VF_MULTICAST_PROMISC) |
1273 | allmulti = true; | |
89cb86c3 | 1274 | aq_ret = i40e_aq_set_vsi_multicast_promiscuous(hw, vsi->seid, |
5c3c48ac JB |
1275 | allmulti, NULL); |
1276 | ||
1277 | error_param: | |
b40c82e6 | 1278 | /* send the response to the VF */ |
5c3c48ac JB |
1279 | return i40e_vc_send_resp_to_vf(vf, |
1280 | I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE, | |
1281 | aq_ret); | |
1282 | } | |
1283 | ||
1284 | /** | |
1285 | * i40e_vc_config_queues_msg | |
b40c82e6 | 1286 | * @vf: pointer to the VF info |
5c3c48ac JB |
1287 | * @msg: pointer to the msg buffer |
1288 | * @msglen: msg length | |
1289 | * | |
b40c82e6 | 1290 | * called from the VF to configure the rx/tx |
5c3c48ac JB |
1291 | * queues |
1292 | **/ | |
1293 | static int i40e_vc_config_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1294 | { | |
1295 | struct i40e_virtchnl_vsi_queue_config_info *qci = | |
1296 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1297 | struct i40e_virtchnl_queue_pair_info *qpi; | |
5f5e33b6 | 1298 | struct i40e_pf *pf = vf->pf; |
5c3c48ac JB |
1299 | u16 vsi_id, vsi_queue_id; |
1300 | i40e_status aq_ret = 0; | |
1301 | int i; | |
1302 | ||
1303 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1304 | aq_ret = I40E_ERR_PARAM; | |
1305 | goto error_param; | |
1306 | } | |
1307 | ||
1308 | vsi_id = qci->vsi_id; | |
1309 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1310 | aq_ret = I40E_ERR_PARAM; | |
1311 | goto error_param; | |
1312 | } | |
1313 | for (i = 0; i < qci->num_queue_pairs; i++) { | |
1314 | qpi = &qci->qpair[i]; | |
1315 | vsi_queue_id = qpi->txq.queue_id; | |
1316 | if ((qpi->txq.vsi_id != vsi_id) || | |
1317 | (qpi->rxq.vsi_id != vsi_id) || | |
1318 | (qpi->rxq.queue_id != vsi_queue_id) || | |
1319 | !i40e_vc_isvalid_queue_id(vf, vsi_id, vsi_queue_id)) { | |
1320 | aq_ret = I40E_ERR_PARAM; | |
1321 | goto error_param; | |
1322 | } | |
1323 | ||
1324 | if (i40e_config_vsi_rx_queue(vf, vsi_id, vsi_queue_id, | |
1325 | &qpi->rxq) || | |
1326 | i40e_config_vsi_tx_queue(vf, vsi_id, vsi_queue_id, | |
1327 | &qpi->txq)) { | |
1328 | aq_ret = I40E_ERR_PARAM; | |
1329 | goto error_param; | |
1330 | } | |
1331 | } | |
b40c82e6 | 1332 | /* set vsi num_queue_pairs in use to num configured by VF */ |
fdf0e0bf | 1333 | pf->vsi[vf->lan_vsi_idx]->num_queue_pairs = qci->num_queue_pairs; |
5c3c48ac JB |
1334 | |
1335 | error_param: | |
b40c82e6 | 1336 | /* send the response to the VF */ |
5c3c48ac JB |
1337 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES, |
1338 | aq_ret); | |
1339 | } | |
1340 | ||
1341 | /** | |
1342 | * i40e_vc_config_irq_map_msg | |
b40c82e6 | 1343 | * @vf: pointer to the VF info |
5c3c48ac JB |
1344 | * @msg: pointer to the msg buffer |
1345 | * @msglen: msg length | |
1346 | * | |
b40c82e6 | 1347 | * called from the VF to configure the irq to |
5c3c48ac JB |
1348 | * queue map |
1349 | **/ | |
1350 | static int i40e_vc_config_irq_map_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1351 | { | |
1352 | struct i40e_virtchnl_irq_map_info *irqmap_info = | |
1353 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1354 | struct i40e_virtchnl_vector_map *map; | |
1355 | u16 vsi_id, vsi_queue_id, vector_id; | |
1356 | i40e_status aq_ret = 0; | |
1357 | unsigned long tempmap; | |
1358 | int i; | |
1359 | ||
1360 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1361 | aq_ret = I40E_ERR_PARAM; | |
1362 | goto error_param; | |
1363 | } | |
1364 | ||
1365 | for (i = 0; i < irqmap_info->num_vectors; i++) { | |
1366 | map = &irqmap_info->vecmap[i]; | |
1367 | ||
1368 | vector_id = map->vector_id; | |
1369 | vsi_id = map->vsi_id; | |
1370 | /* validate msg params */ | |
1371 | if (!i40e_vc_isvalid_vector_id(vf, vector_id) || | |
1372 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1373 | aq_ret = I40E_ERR_PARAM; | |
1374 | goto error_param; | |
1375 | } | |
1376 | ||
1377 | /* lookout for the invalid queue index */ | |
1378 | tempmap = map->rxq_map; | |
4836650b | 1379 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1380 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1381 | vsi_queue_id)) { | |
1382 | aq_ret = I40E_ERR_PARAM; | |
1383 | goto error_param; | |
1384 | } | |
5c3c48ac JB |
1385 | } |
1386 | ||
1387 | tempmap = map->txq_map; | |
4836650b | 1388 | for_each_set_bit(vsi_queue_id, &tempmap, I40E_MAX_VSI_QP) { |
5c3c48ac JB |
1389 | if (!i40e_vc_isvalid_queue_id(vf, vsi_id, |
1390 | vsi_queue_id)) { | |
1391 | aq_ret = I40E_ERR_PARAM; | |
1392 | goto error_param; | |
1393 | } | |
5c3c48ac JB |
1394 | } |
1395 | ||
1396 | i40e_config_irq_link_list(vf, vsi_id, map); | |
1397 | } | |
1398 | error_param: | |
b40c82e6 | 1399 | /* send the response to the VF */ |
5c3c48ac JB |
1400 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP, |
1401 | aq_ret); | |
1402 | } | |
1403 | ||
1404 | /** | |
1405 | * i40e_vc_enable_queues_msg | |
b40c82e6 | 1406 | * @vf: pointer to the VF info |
5c3c48ac JB |
1407 | * @msg: pointer to the msg buffer |
1408 | * @msglen: msg length | |
1409 | * | |
b40c82e6 | 1410 | * called from the VF to enable all or specific queue(s) |
5c3c48ac JB |
1411 | **/ |
1412 | static int i40e_vc_enable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1413 | { | |
1414 | struct i40e_virtchnl_queue_select *vqs = | |
1415 | (struct i40e_virtchnl_queue_select *)msg; | |
1416 | struct i40e_pf *pf = vf->pf; | |
1417 | u16 vsi_id = vqs->vsi_id; | |
1418 | i40e_status aq_ret = 0; | |
5c3c48ac JB |
1419 | |
1420 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1421 | aq_ret = I40E_ERR_PARAM; | |
1422 | goto error_param; | |
1423 | } | |
1424 | ||
1425 | if (!i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1426 | aq_ret = I40E_ERR_PARAM; | |
1427 | goto error_param; | |
1428 | } | |
1429 | ||
1430 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1431 | aq_ret = I40E_ERR_PARAM; | |
1432 | goto error_param; | |
1433 | } | |
fdf0e0bf ASJ |
1434 | |
1435 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], true)) | |
88f6563d | 1436 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac | 1437 | error_param: |
b40c82e6 | 1438 | /* send the response to the VF */ |
5c3c48ac JB |
1439 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ENABLE_QUEUES, |
1440 | aq_ret); | |
1441 | } | |
1442 | ||
1443 | /** | |
1444 | * i40e_vc_disable_queues_msg | |
b40c82e6 | 1445 | * @vf: pointer to the VF info |
5c3c48ac JB |
1446 | * @msg: pointer to the msg buffer |
1447 | * @msglen: msg length | |
1448 | * | |
b40c82e6 | 1449 | * called from the VF to disable all or specific |
5c3c48ac JB |
1450 | * queue(s) |
1451 | **/ | |
1452 | static int i40e_vc_disable_queues_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1453 | { | |
1454 | struct i40e_virtchnl_queue_select *vqs = | |
1455 | (struct i40e_virtchnl_queue_select *)msg; | |
1456 | struct i40e_pf *pf = vf->pf; | |
5c3c48ac | 1457 | i40e_status aq_ret = 0; |
5c3c48ac JB |
1458 | |
1459 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1460 | aq_ret = I40E_ERR_PARAM; | |
1461 | goto error_param; | |
1462 | } | |
1463 | ||
1464 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1465 | aq_ret = I40E_ERR_PARAM; | |
1466 | goto error_param; | |
1467 | } | |
1468 | ||
1469 | if ((0 == vqs->rx_queues) && (0 == vqs->tx_queues)) { | |
1470 | aq_ret = I40E_ERR_PARAM; | |
1471 | goto error_param; | |
1472 | } | |
fdf0e0bf ASJ |
1473 | |
1474 | if (i40e_vsi_control_rings(pf->vsi[vf->lan_vsi_idx], false)) | |
88f6563d | 1475 | aq_ret = I40E_ERR_TIMEOUT; |
5c3c48ac JB |
1476 | |
1477 | error_param: | |
b40c82e6 | 1478 | /* send the response to the VF */ |
5c3c48ac JB |
1479 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DISABLE_QUEUES, |
1480 | aq_ret); | |
1481 | } | |
1482 | ||
1483 | /** | |
1484 | * i40e_vc_get_stats_msg | |
b40c82e6 | 1485 | * @vf: pointer to the VF info |
5c3c48ac JB |
1486 | * @msg: pointer to the msg buffer |
1487 | * @msglen: msg length | |
1488 | * | |
b40c82e6 | 1489 | * called from the VF to get vsi stats |
5c3c48ac JB |
1490 | **/ |
1491 | static int i40e_vc_get_stats_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1492 | { | |
1493 | struct i40e_virtchnl_queue_select *vqs = | |
1494 | (struct i40e_virtchnl_queue_select *)msg; | |
1495 | struct i40e_pf *pf = vf->pf; | |
1496 | struct i40e_eth_stats stats; | |
1497 | i40e_status aq_ret = 0; | |
1498 | struct i40e_vsi *vsi; | |
1499 | ||
1500 | memset(&stats, 0, sizeof(struct i40e_eth_stats)); | |
1501 | ||
1502 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states)) { | |
1503 | aq_ret = I40E_ERR_PARAM; | |
1504 | goto error_param; | |
1505 | } | |
1506 | ||
1507 | if (!i40e_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
1508 | aq_ret = I40E_ERR_PARAM; | |
1509 | goto error_param; | |
1510 | } | |
1511 | ||
fdf0e0bf | 1512 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1513 | if (!vsi) { |
1514 | aq_ret = I40E_ERR_PARAM; | |
1515 | goto error_param; | |
1516 | } | |
1517 | i40e_update_eth_stats(vsi); | |
5a9769c8 | 1518 | stats = vsi->eth_stats; |
5c3c48ac JB |
1519 | |
1520 | error_param: | |
b40c82e6 | 1521 | /* send the response back to the VF */ |
5c3c48ac JB |
1522 | return i40e_vc_send_msg_to_vf(vf, I40E_VIRTCHNL_OP_GET_STATS, aq_ret, |
1523 | (u8 *)&stats, sizeof(stats)); | |
1524 | } | |
1525 | ||
f657a6e1 GR |
1526 | /** |
1527 | * i40e_check_vf_permission | |
b40c82e6 | 1528 | * @vf: pointer to the VF info |
f657a6e1 GR |
1529 | * @macaddr: pointer to the MAC Address being checked |
1530 | * | |
1531 | * Check if the VF has permission to add or delete unicast MAC address | |
1532 | * filters and return error code -EPERM if not. Then check if the | |
1533 | * address filter requested is broadcast or zero and if so return | |
1534 | * an invalid MAC address error code. | |
1535 | **/ | |
1536 | static inline int i40e_check_vf_permission(struct i40e_vf *vf, u8 *macaddr) | |
1537 | { | |
1538 | struct i40e_pf *pf = vf->pf; | |
1539 | int ret = 0; | |
1540 | ||
1541 | if (is_broadcast_ether_addr(macaddr) || | |
1542 | is_zero_ether_addr(macaddr)) { | |
1543 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", macaddr); | |
1544 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
5017c2a8 GR |
1545 | } else if (vf->pf_set_mac && !is_multicast_ether_addr(macaddr) && |
1546 | !ether_addr_equal(macaddr, vf->default_lan_addr.addr)) { | |
f657a6e1 GR |
1547 | /* If the host VMM administrator has set the VF MAC address |
1548 | * administratively via the ndo_set_vf_mac command then deny | |
1549 | * permission to the VF to add or delete unicast MAC addresses. | |
5017c2a8 GR |
1550 | * The VF may request to set the MAC address filter already |
1551 | * assigned to it so do not return an error in that case. | |
f657a6e1 GR |
1552 | */ |
1553 | dev_err(&pf->pdev->dev, | |
1554 | "VF attempting to override administratively set MAC address\nPlease reload the VF driver to resume normal operation\n"); | |
1555 | ret = -EPERM; | |
1556 | } | |
1557 | return ret; | |
1558 | } | |
1559 | ||
5c3c48ac JB |
1560 | /** |
1561 | * i40e_vc_add_mac_addr_msg | |
b40c82e6 | 1562 | * @vf: pointer to the VF info |
5c3c48ac JB |
1563 | * @msg: pointer to the msg buffer |
1564 | * @msglen: msg length | |
1565 | * | |
1566 | * add guest mac address filter | |
1567 | **/ | |
1568 | static int i40e_vc_add_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1569 | { | |
1570 | struct i40e_virtchnl_ether_addr_list *al = | |
1571 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1572 | struct i40e_pf *pf = vf->pf; | |
1573 | struct i40e_vsi *vsi = NULL; | |
1574 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1575 | i40e_status ret = 0; |
5c3c48ac JB |
1576 | int i; |
1577 | ||
1578 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1579 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1580 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1581 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1582 | goto error_param; |
1583 | } | |
1584 | ||
1585 | for (i = 0; i < al->num_elements; i++) { | |
f657a6e1 GR |
1586 | ret = i40e_check_vf_permission(vf, al->list[i].addr); |
1587 | if (ret) | |
5c3c48ac | 1588 | goto error_param; |
5c3c48ac | 1589 | } |
fdf0e0bf | 1590 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1591 | |
1592 | /* add new addresses to the list */ | |
1593 | for (i = 0; i < al->num_elements; i++) { | |
1594 | struct i40e_mac_filter *f; | |
1595 | ||
1596 | f = i40e_find_mac(vsi, al->list[i].addr, true, false); | |
7e68edf9 | 1597 | if (!f) { |
5c3c48ac JB |
1598 | if (i40e_is_vsi_in_vlan(vsi)) |
1599 | f = i40e_put_mac_in_vlan(vsi, al->list[i].addr, | |
1600 | true, false); | |
1601 | else | |
1602 | f = i40e_add_filter(vsi, al->list[i].addr, -1, | |
1603 | true, false); | |
1604 | } | |
1605 | ||
1606 | if (!f) { | |
1607 | dev_err(&pf->pdev->dev, | |
1608 | "Unable to add VF MAC filter\n"); | |
f657a6e1 | 1609 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1610 | goto error_param; |
1611 | } | |
1612 | } | |
1613 | ||
1614 | /* program the updated filter list */ | |
30e2561b | 1615 | if (i40e_sync_vsi_filters(vsi, false)) |
5c3c48ac JB |
1616 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); |
1617 | ||
1618 | error_param: | |
b40c82e6 | 1619 | /* send the response to the VF */ |
5c3c48ac | 1620 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS, |
f657a6e1 | 1621 | ret); |
5c3c48ac JB |
1622 | } |
1623 | ||
1624 | /** | |
1625 | * i40e_vc_del_mac_addr_msg | |
b40c82e6 | 1626 | * @vf: pointer to the VF info |
5c3c48ac JB |
1627 | * @msg: pointer to the msg buffer |
1628 | * @msglen: msg length | |
1629 | * | |
1630 | * remove guest mac address filter | |
1631 | **/ | |
1632 | static int i40e_vc_del_mac_addr_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1633 | { | |
1634 | struct i40e_virtchnl_ether_addr_list *al = | |
1635 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1636 | struct i40e_pf *pf = vf->pf; | |
1637 | struct i40e_vsi *vsi = NULL; | |
1638 | u16 vsi_id = al->vsi_id; | |
f657a6e1 | 1639 | i40e_status ret = 0; |
5c3c48ac JB |
1640 | int i; |
1641 | ||
1642 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1643 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1644 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
f657a6e1 | 1645 | ret = I40E_ERR_PARAM; |
5c3c48ac JB |
1646 | goto error_param; |
1647 | } | |
f657a6e1 GR |
1648 | |
1649 | for (i = 0; i < al->num_elements; i++) { | |
700bbf6c MW |
1650 | if (is_broadcast_ether_addr(al->list[i].addr) || |
1651 | is_zero_ether_addr(al->list[i].addr)) { | |
1652 | dev_err(&pf->pdev->dev, "invalid VF MAC addr %pM\n", | |
1653 | al->list[i].addr); | |
1654 | ret = I40E_ERR_INVALID_MAC_ADDR; | |
f657a6e1 | 1655 | goto error_param; |
700bbf6c | 1656 | } |
f657a6e1 | 1657 | } |
fdf0e0bf | 1658 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1659 | |
1660 | /* delete addresses from the list */ | |
1661 | for (i = 0; i < al->num_elements; i++) | |
1662 | i40e_del_filter(vsi, al->list[i].addr, | |
1663 | I40E_VLAN_ANY, true, false); | |
1664 | ||
1665 | /* program the updated filter list */ | |
30e2561b | 1666 | if (i40e_sync_vsi_filters(vsi, false)) |
5c3c48ac JB |
1667 | dev_err(&pf->pdev->dev, "Unable to program VF MAC filters\n"); |
1668 | ||
1669 | error_param: | |
b40c82e6 | 1670 | /* send the response to the VF */ |
5c3c48ac | 1671 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS, |
f657a6e1 | 1672 | ret); |
5c3c48ac JB |
1673 | } |
1674 | ||
1675 | /** | |
1676 | * i40e_vc_add_vlan_msg | |
b40c82e6 | 1677 | * @vf: pointer to the VF info |
5c3c48ac JB |
1678 | * @msg: pointer to the msg buffer |
1679 | * @msglen: msg length | |
1680 | * | |
1681 | * program guest vlan id | |
1682 | **/ | |
1683 | static int i40e_vc_add_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1684 | { | |
1685 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1686 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1687 | struct i40e_pf *pf = vf->pf; | |
1688 | struct i40e_vsi *vsi = NULL; | |
1689 | u16 vsi_id = vfl->vsi_id; | |
1690 | i40e_status aq_ret = 0; | |
1691 | int i; | |
1692 | ||
1693 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1694 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1695 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1696 | aq_ret = I40E_ERR_PARAM; | |
1697 | goto error_param; | |
1698 | } | |
1699 | ||
1700 | for (i = 0; i < vfl->num_elements; i++) { | |
1701 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1702 | aq_ret = I40E_ERR_PARAM; | |
1703 | dev_err(&pf->pdev->dev, | |
1704 | "invalid VF VLAN id %d\n", vfl->vlan_id[i]); | |
1705 | goto error_param; | |
1706 | } | |
1707 | } | |
fdf0e0bf | 1708 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1709 | if (vsi->info.pvid) { |
1710 | aq_ret = I40E_ERR_PARAM; | |
1711 | goto error_param; | |
1712 | } | |
1713 | ||
1714 | i40e_vlan_stripping_enable(vsi); | |
1715 | for (i = 0; i < vfl->num_elements; i++) { | |
1716 | /* add new VLAN filter */ | |
1717 | int ret = i40e_vsi_add_vlan(vsi, vfl->vlan_id[i]); | |
1718 | if (ret) | |
1719 | dev_err(&pf->pdev->dev, | |
1720 | "Unable to add VF vlan filter %d, error %d\n", | |
1721 | vfl->vlan_id[i], ret); | |
1722 | } | |
1723 | ||
1724 | error_param: | |
b40c82e6 | 1725 | /* send the response to the VF */ |
5c3c48ac JB |
1726 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_ADD_VLAN, aq_ret); |
1727 | } | |
1728 | ||
1729 | /** | |
1730 | * i40e_vc_remove_vlan_msg | |
b40c82e6 | 1731 | * @vf: pointer to the VF info |
5c3c48ac JB |
1732 | * @msg: pointer to the msg buffer |
1733 | * @msglen: msg length | |
1734 | * | |
1735 | * remove programmed guest vlan id | |
1736 | **/ | |
1737 | static int i40e_vc_remove_vlan_msg(struct i40e_vf *vf, u8 *msg, u16 msglen) | |
1738 | { | |
1739 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1740 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1741 | struct i40e_pf *pf = vf->pf; | |
1742 | struct i40e_vsi *vsi = NULL; | |
1743 | u16 vsi_id = vfl->vsi_id; | |
1744 | i40e_status aq_ret = 0; | |
1745 | int i; | |
1746 | ||
1747 | if (!test_bit(I40E_VF_STAT_ACTIVE, &vf->vf_states) || | |
1748 | !test_bit(I40E_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps) || | |
1749 | !i40e_vc_isvalid_vsi_id(vf, vsi_id)) { | |
1750 | aq_ret = I40E_ERR_PARAM; | |
1751 | goto error_param; | |
1752 | } | |
1753 | ||
1754 | for (i = 0; i < vfl->num_elements; i++) { | |
1755 | if (vfl->vlan_id[i] > I40E_MAX_VLANID) { | |
1756 | aq_ret = I40E_ERR_PARAM; | |
1757 | goto error_param; | |
1758 | } | |
1759 | } | |
1760 | ||
fdf0e0bf | 1761 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
1762 | if (vsi->info.pvid) { |
1763 | aq_ret = I40E_ERR_PARAM; | |
1764 | goto error_param; | |
1765 | } | |
1766 | ||
1767 | for (i = 0; i < vfl->num_elements; i++) { | |
1768 | int ret = i40e_vsi_kill_vlan(vsi, vfl->vlan_id[i]); | |
1769 | if (ret) | |
1770 | dev_err(&pf->pdev->dev, | |
1771 | "Unable to delete VF vlan filter %d, error %d\n", | |
1772 | vfl->vlan_id[i], ret); | |
1773 | } | |
1774 | ||
1775 | error_param: | |
b40c82e6 | 1776 | /* send the response to the VF */ |
5c3c48ac JB |
1777 | return i40e_vc_send_resp_to_vf(vf, I40E_VIRTCHNL_OP_DEL_VLAN, aq_ret); |
1778 | } | |
1779 | ||
5c3c48ac JB |
1780 | /** |
1781 | * i40e_vc_validate_vf_msg | |
b40c82e6 | 1782 | * @vf: pointer to the VF info |
5c3c48ac JB |
1783 | * @msg: pointer to the msg buffer |
1784 | * @msglen: msg length | |
1785 | * @msghndl: msg handle | |
1786 | * | |
1787 | * validate msg | |
1788 | **/ | |
1789 | static int i40e_vc_validate_vf_msg(struct i40e_vf *vf, u32 v_opcode, | |
1790 | u32 v_retval, u8 *msg, u16 msglen) | |
1791 | { | |
1792 | bool err_msg_format = false; | |
1793 | int valid_len; | |
1794 | ||
1795 | /* Check if VF is disabled. */ | |
1796 | if (test_bit(I40E_VF_STAT_DISABLED, &vf->vf_states)) | |
1797 | return I40E_ERR_PARAM; | |
1798 | ||
1799 | /* Validate message length. */ | |
1800 | switch (v_opcode) { | |
1801 | case I40E_VIRTCHNL_OP_VERSION: | |
1802 | valid_len = sizeof(struct i40e_virtchnl_version_info); | |
1803 | break; | |
1804 | case I40E_VIRTCHNL_OP_RESET_VF: | |
5c3c48ac JB |
1805 | valid_len = 0; |
1806 | break; | |
f4ca1a22 MW |
1807 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: |
1808 | if (VF_IS_V11(vf)) | |
1809 | valid_len = sizeof(u32); | |
1810 | else | |
1811 | valid_len = 0; | |
1812 | break; | |
5c3c48ac JB |
1813 | case I40E_VIRTCHNL_OP_CONFIG_TX_QUEUE: |
1814 | valid_len = sizeof(struct i40e_virtchnl_txq_info); | |
1815 | break; | |
1816 | case I40E_VIRTCHNL_OP_CONFIG_RX_QUEUE: | |
1817 | valid_len = sizeof(struct i40e_virtchnl_rxq_info); | |
1818 | break; | |
1819 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1820 | valid_len = sizeof(struct i40e_virtchnl_vsi_queue_config_info); | |
1821 | if (msglen >= valid_len) { | |
1822 | struct i40e_virtchnl_vsi_queue_config_info *vqc = | |
1823 | (struct i40e_virtchnl_vsi_queue_config_info *)msg; | |
1824 | valid_len += (vqc->num_queue_pairs * | |
1825 | sizeof(struct | |
1826 | i40e_virtchnl_queue_pair_info)); | |
1827 | if (vqc->num_queue_pairs == 0) | |
1828 | err_msg_format = true; | |
1829 | } | |
1830 | break; | |
1831 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1832 | valid_len = sizeof(struct i40e_virtchnl_irq_map_info); | |
1833 | if (msglen >= valid_len) { | |
1834 | struct i40e_virtchnl_irq_map_info *vimi = | |
1835 | (struct i40e_virtchnl_irq_map_info *)msg; | |
1836 | valid_len += (vimi->num_vectors * | |
1837 | sizeof(struct i40e_virtchnl_vector_map)); | |
1838 | if (vimi->num_vectors == 0) | |
1839 | err_msg_format = true; | |
1840 | } | |
1841 | break; | |
1842 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1843 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1844 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1845 | break; | |
1846 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1847 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1848 | valid_len = sizeof(struct i40e_virtchnl_ether_addr_list); | |
1849 | if (msglen >= valid_len) { | |
1850 | struct i40e_virtchnl_ether_addr_list *veal = | |
1851 | (struct i40e_virtchnl_ether_addr_list *)msg; | |
1852 | valid_len += veal->num_elements * | |
1853 | sizeof(struct i40e_virtchnl_ether_addr); | |
1854 | if (veal->num_elements == 0) | |
1855 | err_msg_format = true; | |
1856 | } | |
1857 | break; | |
1858 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1859 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1860 | valid_len = sizeof(struct i40e_virtchnl_vlan_filter_list); | |
1861 | if (msglen >= valid_len) { | |
1862 | struct i40e_virtchnl_vlan_filter_list *vfl = | |
1863 | (struct i40e_virtchnl_vlan_filter_list *)msg; | |
1864 | valid_len += vfl->num_elements * sizeof(u16); | |
1865 | if (vfl->num_elements == 0) | |
1866 | err_msg_format = true; | |
1867 | } | |
1868 | break; | |
1869 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1870 | valid_len = sizeof(struct i40e_virtchnl_promisc_info); | |
1871 | break; | |
1872 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1873 | valid_len = sizeof(struct i40e_virtchnl_queue_select); | |
1874 | break; | |
1875 | /* These are always errors coming from the VF. */ | |
1876 | case I40E_VIRTCHNL_OP_EVENT: | |
1877 | case I40E_VIRTCHNL_OP_UNKNOWN: | |
1878 | default: | |
1879 | return -EPERM; | |
1880 | break; | |
1881 | } | |
1882 | /* few more checks */ | |
1883 | if ((valid_len != msglen) || (err_msg_format)) { | |
1884 | i40e_vc_send_resp_to_vf(vf, v_opcode, I40E_ERR_PARAM); | |
1885 | return -EINVAL; | |
1886 | } else { | |
1887 | return 0; | |
1888 | } | |
1889 | } | |
1890 | ||
1891 | /** | |
1892 | * i40e_vc_process_vf_msg | |
b40c82e6 JK |
1893 | * @pf: pointer to the PF structure |
1894 | * @vf_id: source VF id | |
5c3c48ac JB |
1895 | * @msg: pointer to the msg buffer |
1896 | * @msglen: msg length | |
1897 | * @msghndl: msg handle | |
1898 | * | |
1899 | * called from the common aeq/arq handler to | |
b40c82e6 | 1900 | * process request from VF |
5c3c48ac JB |
1901 | **/ |
1902 | int i40e_vc_process_vf_msg(struct i40e_pf *pf, u16 vf_id, u32 v_opcode, | |
1903 | u32 v_retval, u8 *msg, u16 msglen) | |
1904 | { | |
5c3c48ac | 1905 | struct i40e_hw *hw = &pf->hw; |
c243e963 | 1906 | unsigned int local_vf_id = vf_id - hw->func_caps.vf_base_id; |
6c1b5bff | 1907 | struct i40e_vf *vf; |
5c3c48ac JB |
1908 | int ret; |
1909 | ||
1910 | pf->vf_aq_requests++; | |
7efa84b7 | 1911 | if (local_vf_id >= pf->num_alloc_vfs) |
6c1b5bff | 1912 | return -EINVAL; |
7efa84b7 | 1913 | vf = &(pf->vf[local_vf_id]); |
5c3c48ac JB |
1914 | /* perform basic checks on the msg */ |
1915 | ret = i40e_vc_validate_vf_msg(vf, v_opcode, v_retval, msg, msglen); | |
1916 | ||
1917 | if (ret) { | |
b40c82e6 | 1918 | dev_err(&pf->pdev->dev, "Invalid message from VF %d, opcode %d, len %d\n", |
7efa84b7 | 1919 | local_vf_id, v_opcode, msglen); |
5c3c48ac JB |
1920 | return ret; |
1921 | } | |
bae3cae4 | 1922 | |
5c3c48ac JB |
1923 | switch (v_opcode) { |
1924 | case I40E_VIRTCHNL_OP_VERSION: | |
f4ca1a22 | 1925 | ret = i40e_vc_get_version_msg(vf, msg); |
5c3c48ac JB |
1926 | break; |
1927 | case I40E_VIRTCHNL_OP_GET_VF_RESOURCES: | |
f4ca1a22 | 1928 | ret = i40e_vc_get_vf_resources_msg(vf, msg); |
5c3c48ac JB |
1929 | break; |
1930 | case I40E_VIRTCHNL_OP_RESET_VF: | |
fc18eaa0 MW |
1931 | i40e_vc_reset_vf_msg(vf); |
1932 | ret = 0; | |
5c3c48ac JB |
1933 | break; |
1934 | case I40E_VIRTCHNL_OP_CONFIG_PROMISCUOUS_MODE: | |
1935 | ret = i40e_vc_config_promiscuous_mode_msg(vf, msg, msglen); | |
1936 | break; | |
1937 | case I40E_VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
1938 | ret = i40e_vc_config_queues_msg(vf, msg, msglen); | |
1939 | break; | |
1940 | case I40E_VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
1941 | ret = i40e_vc_config_irq_map_msg(vf, msg, msglen); | |
1942 | break; | |
1943 | case I40E_VIRTCHNL_OP_ENABLE_QUEUES: | |
1944 | ret = i40e_vc_enable_queues_msg(vf, msg, msglen); | |
055b295d | 1945 | i40e_vc_notify_vf_link_state(vf); |
5c3c48ac JB |
1946 | break; |
1947 | case I40E_VIRTCHNL_OP_DISABLE_QUEUES: | |
1948 | ret = i40e_vc_disable_queues_msg(vf, msg, msglen); | |
1949 | break; | |
1950 | case I40E_VIRTCHNL_OP_ADD_ETHER_ADDRESS: | |
1951 | ret = i40e_vc_add_mac_addr_msg(vf, msg, msglen); | |
1952 | break; | |
1953 | case I40E_VIRTCHNL_OP_DEL_ETHER_ADDRESS: | |
1954 | ret = i40e_vc_del_mac_addr_msg(vf, msg, msglen); | |
1955 | break; | |
1956 | case I40E_VIRTCHNL_OP_ADD_VLAN: | |
1957 | ret = i40e_vc_add_vlan_msg(vf, msg, msglen); | |
1958 | break; | |
1959 | case I40E_VIRTCHNL_OP_DEL_VLAN: | |
1960 | ret = i40e_vc_remove_vlan_msg(vf, msg, msglen); | |
1961 | break; | |
1962 | case I40E_VIRTCHNL_OP_GET_STATS: | |
1963 | ret = i40e_vc_get_stats_msg(vf, msg, msglen); | |
1964 | break; | |
5c3c48ac JB |
1965 | case I40E_VIRTCHNL_OP_UNKNOWN: |
1966 | default: | |
b40c82e6 | 1967 | dev_err(&pf->pdev->dev, "Unsupported opcode %d from VF %d\n", |
7efa84b7 | 1968 | v_opcode, local_vf_id); |
5c3c48ac JB |
1969 | ret = i40e_vc_send_resp_to_vf(vf, v_opcode, |
1970 | I40E_ERR_NOT_IMPLEMENTED); | |
1971 | break; | |
1972 | } | |
1973 | ||
1974 | return ret; | |
1975 | } | |
1976 | ||
1977 | /** | |
1978 | * i40e_vc_process_vflr_event | |
b40c82e6 | 1979 | * @pf: pointer to the PF structure |
5c3c48ac JB |
1980 | * |
1981 | * called from the vlfr irq handler to | |
b40c82e6 | 1982 | * free up VF resources and state variables |
5c3c48ac JB |
1983 | **/ |
1984 | int i40e_vc_process_vflr_event(struct i40e_pf *pf) | |
1985 | { | |
1986 | u32 reg, reg_idx, bit_idx, vf_id; | |
1987 | struct i40e_hw *hw = &pf->hw; | |
1988 | struct i40e_vf *vf; | |
1989 | ||
1990 | if (!test_bit(__I40E_VFLR_EVENT_PENDING, &pf->state)) | |
1991 | return 0; | |
1992 | ||
c5c2f7c3 MW |
1993 | /* re-enable vflr interrupt cause */ |
1994 | reg = rd32(hw, I40E_PFINT_ICR0_ENA); | |
1995 | reg |= I40E_PFINT_ICR0_ENA_VFLR_MASK; | |
1996 | wr32(hw, I40E_PFINT_ICR0_ENA, reg); | |
1997 | i40e_flush(hw); | |
1998 | ||
5c3c48ac JB |
1999 | clear_bit(__I40E_VFLR_EVENT_PENDING, &pf->state); |
2000 | for (vf_id = 0; vf_id < pf->num_alloc_vfs; vf_id++) { | |
2001 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
2002 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
b40c82e6 | 2003 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ |
5c3c48ac JB |
2004 | vf = &pf->vf[vf_id]; |
2005 | reg = rd32(hw, I40E_GLGEN_VFLRSTAT(reg_idx)); | |
41a1d04b | 2006 | if (reg & BIT(bit_idx)) { |
5c3c48ac | 2007 | /* clear the bit in GLGEN_VFLRSTAT */ |
41a1d04b | 2008 | wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); |
5c3c48ac | 2009 | |
eb2d80bc MW |
2010 | if (!test_bit(__I40E_DOWN, &pf->state)) |
2011 | i40e_reset_vf(vf, true); | |
5c3c48ac JB |
2012 | } |
2013 | } | |
2014 | ||
5c3c48ac JB |
2015 | return 0; |
2016 | } | |
2017 | ||
5c3c48ac JB |
2018 | /** |
2019 | * i40e_ndo_set_vf_mac | |
2020 | * @netdev: network interface device structure | |
b40c82e6 | 2021 | * @vf_id: VF identifier |
5c3c48ac JB |
2022 | * @mac: mac address |
2023 | * | |
b40c82e6 | 2024 | * program VF mac address |
5c3c48ac JB |
2025 | **/ |
2026 | int i40e_ndo_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) | |
2027 | { | |
2028 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2029 | struct i40e_vsi *vsi = np->vsi; | |
2030 | struct i40e_pf *pf = vsi->back; | |
2031 | struct i40e_mac_filter *f; | |
2032 | struct i40e_vf *vf; | |
2033 | int ret = 0; | |
2034 | ||
2035 | /* validate the request */ | |
2036 | if (vf_id >= pf->num_alloc_vfs) { | |
2037 | dev_err(&pf->pdev->dev, | |
2038 | "Invalid VF Identifier %d\n", vf_id); | |
2039 | ret = -EINVAL; | |
2040 | goto error_param; | |
2041 | } | |
2042 | ||
2043 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2044 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2045 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2046 | dev_err(&pf->pdev->dev, | |
2047 | "Uninitialized VF %d\n", vf_id); | |
2048 | ret = -EINVAL; | |
2049 | goto error_param; | |
2050 | } | |
2051 | ||
2052 | if (!is_valid_ether_addr(mac)) { | |
2053 | dev_err(&pf->pdev->dev, | |
2054 | "Invalid VF ethernet address\n"); | |
2055 | ret = -EINVAL; | |
2056 | goto error_param; | |
2057 | } | |
2058 | ||
2059 | /* delete the temporary mac address */ | |
e995163c MW |
2060 | i40e_del_filter(vsi, vf->default_lan_addr.addr, |
2061 | vf->port_vlan_id ? vf->port_vlan_id : -1, | |
37cc0d2f | 2062 | true, false); |
5c3c48ac | 2063 | |
29f71bb0 GR |
2064 | /* Delete all the filters for this VSI - we're going to kill it |
2065 | * anyway. | |
2066 | */ | |
2067 | list_for_each_entry(f, &vsi->mac_filter_list, list) | |
2068 | i40e_del_filter(vsi, f->macaddr, f->vlan, true, false); | |
5c3c48ac JB |
2069 | |
2070 | dev_info(&pf->pdev->dev, "Setting MAC %pM on VF %d\n", mac, vf_id); | |
2071 | /* program mac filter */ | |
30e2561b | 2072 | if (i40e_sync_vsi_filters(vsi, false)) { |
5c3c48ac JB |
2073 | dev_err(&pf->pdev->dev, "Unable to program ucast filters\n"); |
2074 | ret = -EIO; | |
2075 | goto error_param; | |
2076 | } | |
9a173901 | 2077 | ether_addr_copy(vf->default_lan_addr.addr, mac); |
f657a6e1 | 2078 | vf->pf_set_mac = true; |
17413a80 GR |
2079 | /* Force the VF driver stop so it has to reload with new MAC address */ |
2080 | i40e_vc_disable_vf(pf, vf); | |
5c3c48ac | 2081 | dev_info(&pf->pdev->dev, "Reload the VF driver to make this change effective.\n"); |
5c3c48ac JB |
2082 | |
2083 | error_param: | |
2084 | return ret; | |
2085 | } | |
2086 | ||
2087 | /** | |
2088 | * i40e_ndo_set_vf_port_vlan | |
2089 | * @netdev: network interface device structure | |
b40c82e6 | 2090 | * @vf_id: VF identifier |
5c3c48ac JB |
2091 | * @vlan_id: mac address |
2092 | * @qos: priority setting | |
2093 | * | |
b40c82e6 | 2094 | * program VF vlan id and/or qos |
5c3c48ac JB |
2095 | **/ |
2096 | int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, | |
2097 | int vf_id, u16 vlan_id, u8 qos) | |
2098 | { | |
f7fc2f2e | 2099 | u16 vlanprio = vlan_id | (qos << I40E_VLAN_PRIORITY_SHIFT); |
5c3c48ac JB |
2100 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2101 | struct i40e_pf *pf = np->vsi->back; | |
2102 | struct i40e_vsi *vsi; | |
2103 | struct i40e_vf *vf; | |
2104 | int ret = 0; | |
2105 | ||
2106 | /* validate the request */ | |
2107 | if (vf_id >= pf->num_alloc_vfs) { | |
2108 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2109 | ret = -EINVAL; | |
2110 | goto error_pvid; | |
2111 | } | |
2112 | ||
2113 | if ((vlan_id > I40E_MAX_VLANID) || (qos > 7)) { | |
2114 | dev_err(&pf->pdev->dev, "Invalid VF Parameters\n"); | |
2115 | ret = -EINVAL; | |
2116 | goto error_pvid; | |
2117 | } | |
2118 | ||
2119 | vf = &(pf->vf[vf_id]); | |
fdf0e0bf | 2120 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2121 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2122 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2123 | ret = -EINVAL; | |
2124 | goto error_pvid; | |
2125 | } | |
2126 | ||
f7fc2f2e | 2127 | if (le16_to_cpu(vsi->info.pvid) == vlanprio) |
85927ec1 MW |
2128 | /* duplicate request, so just return success */ |
2129 | goto error_pvid; | |
2130 | ||
ecbb44e8 | 2131 | if (le16_to_cpu(vsi->info.pvid) == 0 && i40e_is_vsi_in_vlan(vsi)) { |
99a4973c GR |
2132 | dev_err(&pf->pdev->dev, |
2133 | "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", | |
2134 | vf_id); | |
f9b4b627 GR |
2135 | /* Administrator Error - knock the VF offline until he does |
2136 | * the right thing by reconfiguring his network correctly | |
2137 | * and then reloading the VF driver. | |
2138 | */ | |
2139 | i40e_vc_disable_vf(pf, vf); | |
2140 | } | |
99a4973c | 2141 | |
8d82a7c5 GR |
2142 | /* Check for condition where there was already a port VLAN ID |
2143 | * filter set and now it is being deleted by setting it to zero. | |
1315f7c3 GR |
2144 | * Additionally check for the condition where there was a port |
2145 | * VLAN but now there is a new and different port VLAN being set. | |
8d82a7c5 GR |
2146 | * Before deleting all the old VLAN filters we must add new ones |
2147 | * with -1 (I40E_VLAN_ANY) or otherwise we're left with all our | |
2148 | * MAC addresses deleted. | |
2149 | */ | |
1315f7c3 | 2150 | if ((!(vlan_id || qos) || |
f7fc2f2e | 2151 | vlanprio != le16_to_cpu(vsi->info.pvid)) && |
1315f7c3 | 2152 | vsi->info.pvid) |
8d82a7c5 GR |
2153 | ret = i40e_vsi_add_vlan(vsi, I40E_VLAN_ANY); |
2154 | ||
5c3c48ac JB |
2155 | if (vsi->info.pvid) { |
2156 | /* kill old VLAN */ | |
2157 | ret = i40e_vsi_kill_vlan(vsi, (le16_to_cpu(vsi->info.pvid) & | |
2158 | VLAN_VID_MASK)); | |
2159 | if (ret) { | |
2160 | dev_info(&vsi->back->pdev->dev, | |
2161 | "remove VLAN failed, ret=%d, aq_err=%d\n", | |
2162 | ret, pf->hw.aq.asq_last_status); | |
2163 | } | |
2164 | } | |
2165 | if (vlan_id || qos) | |
f7fc2f2e | 2166 | ret = i40e_vsi_add_pvid(vsi, vlanprio); |
5c3c48ac | 2167 | else |
6c12fcbf | 2168 | i40e_vsi_remove_pvid(vsi); |
5c3c48ac JB |
2169 | |
2170 | if (vlan_id) { | |
2171 | dev_info(&pf->pdev->dev, "Setting VLAN %d, QOS 0x%x on VF %d\n", | |
2172 | vlan_id, qos, vf_id); | |
2173 | ||
2174 | /* add new VLAN filter */ | |
2175 | ret = i40e_vsi_add_vlan(vsi, vlan_id); | |
2176 | if (ret) { | |
2177 | dev_info(&vsi->back->pdev->dev, | |
2178 | "add VF VLAN failed, ret=%d aq_err=%d\n", ret, | |
2179 | vsi->back->hw.aq.asq_last_status); | |
2180 | goto error_pvid; | |
2181 | } | |
8d82a7c5 GR |
2182 | /* Kill non-vlan MAC filters - ignore error return since |
2183 | * there might not be any non-vlan MAC filters. | |
2184 | */ | |
2185 | i40e_vsi_kill_vlan(vsi, I40E_VLAN_ANY); | |
5c3c48ac JB |
2186 | } |
2187 | ||
2188 | if (ret) { | |
2189 | dev_err(&pf->pdev->dev, "Unable to update VF vsi context\n"); | |
2190 | goto error_pvid; | |
2191 | } | |
6c12fcbf GR |
2192 | /* The Port VLAN needs to be saved across resets the same as the |
2193 | * default LAN MAC address. | |
2194 | */ | |
2195 | vf->port_vlan_id = le16_to_cpu(vsi->info.pvid); | |
5c3c48ac JB |
2196 | ret = 0; |
2197 | ||
2198 | error_pvid: | |
2199 | return ret; | |
2200 | } | |
2201 | ||
84590fd9 MW |
2202 | #define I40E_BW_CREDIT_DIVISOR 50 /* 50Mbps per BW credit */ |
2203 | #define I40E_MAX_BW_INACTIVE_ACCUM 4 /* device can accumulate 4 credits max */ | |
5c3c48ac JB |
2204 | /** |
2205 | * i40e_ndo_set_vf_bw | |
2206 | * @netdev: network interface device structure | |
b40c82e6 JK |
2207 | * @vf_id: VF identifier |
2208 | * @tx_rate: Tx rate | |
5c3c48ac | 2209 | * |
b40c82e6 | 2210 | * configure VF Tx rate |
5c3c48ac | 2211 | **/ |
ed616689 SC |
2212 | int i40e_ndo_set_vf_bw(struct net_device *netdev, int vf_id, int min_tx_rate, |
2213 | int max_tx_rate) | |
5c3c48ac | 2214 | { |
6b192891 MW |
2215 | struct i40e_netdev_priv *np = netdev_priv(netdev); |
2216 | struct i40e_pf *pf = np->vsi->back; | |
2217 | struct i40e_vsi *vsi; | |
2218 | struct i40e_vf *vf; | |
2219 | int speed = 0; | |
2220 | int ret = 0; | |
2221 | ||
2222 | /* validate the request */ | |
2223 | if (vf_id >= pf->num_alloc_vfs) { | |
2224 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d.\n", vf_id); | |
2225 | ret = -EINVAL; | |
2226 | goto error; | |
2227 | } | |
2228 | ||
ed616689 | 2229 | if (min_tx_rate) { |
b40c82e6 | 2230 | dev_err(&pf->pdev->dev, "Invalid min tx rate (%d) (greater than 0) specified for VF %d.\n", |
ed616689 SC |
2231 | min_tx_rate, vf_id); |
2232 | return -EINVAL; | |
2233 | } | |
2234 | ||
6b192891 | 2235 | vf = &(pf->vf[vf_id]); |
fdf0e0bf | 2236 | vsi = pf->vsi[vf->lan_vsi_idx]; |
6b192891 MW |
2237 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2238 | dev_err(&pf->pdev->dev, "Uninitialized VF %d.\n", vf_id); | |
2239 | ret = -EINVAL; | |
2240 | goto error; | |
2241 | } | |
2242 | ||
2243 | switch (pf->hw.phy.link_info.link_speed) { | |
2244 | case I40E_LINK_SPEED_40GB: | |
2245 | speed = 40000; | |
2246 | break; | |
2247 | case I40E_LINK_SPEED_10GB: | |
2248 | speed = 10000; | |
2249 | break; | |
2250 | case I40E_LINK_SPEED_1GB: | |
2251 | speed = 1000; | |
2252 | break; | |
2253 | default: | |
2254 | break; | |
2255 | } | |
2256 | ||
ed616689 | 2257 | if (max_tx_rate > speed) { |
b40c82e6 | 2258 | dev_err(&pf->pdev->dev, "Invalid max tx rate %d specified for VF %d.", |
ed616689 | 2259 | max_tx_rate, vf->vf_id); |
6b192891 MW |
2260 | ret = -EINVAL; |
2261 | goto error; | |
2262 | } | |
2263 | ||
dac9b31a MW |
2264 | if ((max_tx_rate < 50) && (max_tx_rate > 0)) { |
2265 | dev_warn(&pf->pdev->dev, "Setting max Tx rate to minimum usable value of 50Mbps.\n"); | |
2266 | max_tx_rate = 50; | |
2267 | } | |
2268 | ||
6b192891 | 2269 | /* Tx rate credits are in values of 50Mbps, 0 is disabled*/ |
84590fd9 MW |
2270 | ret = i40e_aq_config_vsi_bw_limit(&pf->hw, vsi->seid, |
2271 | max_tx_rate / I40E_BW_CREDIT_DIVISOR, | |
2272 | I40E_MAX_BW_INACTIVE_ACCUM, NULL); | |
6b192891 | 2273 | if (ret) { |
ed616689 | 2274 | dev_err(&pf->pdev->dev, "Unable to set max tx rate, error code %d.\n", |
6b192891 MW |
2275 | ret); |
2276 | ret = -EIO; | |
2277 | goto error; | |
2278 | } | |
ed616689 | 2279 | vf->tx_rate = max_tx_rate; |
6b192891 MW |
2280 | error: |
2281 | return ret; | |
5c3c48ac JB |
2282 | } |
2283 | ||
2284 | /** | |
2285 | * i40e_ndo_get_vf_config | |
2286 | * @netdev: network interface device structure | |
b40c82e6 JK |
2287 | * @vf_id: VF identifier |
2288 | * @ivi: VF configuration structure | |
5c3c48ac | 2289 | * |
b40c82e6 | 2290 | * return VF configuration |
5c3c48ac JB |
2291 | **/ |
2292 | int i40e_ndo_get_vf_config(struct net_device *netdev, | |
2293 | int vf_id, struct ifla_vf_info *ivi) | |
2294 | { | |
2295 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
5c3c48ac JB |
2296 | struct i40e_vsi *vsi = np->vsi; |
2297 | struct i40e_pf *pf = vsi->back; | |
2298 | struct i40e_vf *vf; | |
2299 | int ret = 0; | |
2300 | ||
2301 | /* validate the request */ | |
2302 | if (vf_id >= pf->num_alloc_vfs) { | |
2303 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2304 | ret = -EINVAL; | |
2305 | goto error_param; | |
2306 | } | |
2307 | ||
2308 | vf = &(pf->vf[vf_id]); | |
2309 | /* first vsi is always the LAN vsi */ | |
fdf0e0bf | 2310 | vsi = pf->vsi[vf->lan_vsi_idx]; |
5c3c48ac JB |
2311 | if (!test_bit(I40E_VF_STAT_INIT, &vf->vf_states)) { |
2312 | dev_err(&pf->pdev->dev, "Uninitialized VF %d\n", vf_id); | |
2313 | ret = -EINVAL; | |
2314 | goto error_param; | |
2315 | } | |
2316 | ||
2317 | ivi->vf = vf_id; | |
2318 | ||
f4a1c5cf | 2319 | memcpy(&ivi->mac, vf->default_lan_addr.addr, ETH_ALEN); |
5c3c48ac | 2320 | |
ed616689 SC |
2321 | ivi->max_tx_rate = vf->tx_rate; |
2322 | ivi->min_tx_rate = 0; | |
5c3c48ac JB |
2323 | ivi->vlan = le16_to_cpu(vsi->info.pvid) & I40E_VLAN_MASK; |
2324 | ivi->qos = (le16_to_cpu(vsi->info.pvid) & I40E_PRIORITY_MASK) >> | |
2325 | I40E_VLAN_PRIORITY_SHIFT; | |
84ca55a0 MW |
2326 | if (vf->link_forced == false) |
2327 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; | |
2328 | else if (vf->link_up == true) | |
2329 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; | |
2330 | else | |
2331 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; | |
c674d125 | 2332 | ivi->spoofchk = vf->spoofchk; |
5c3c48ac JB |
2333 | ret = 0; |
2334 | ||
2335 | error_param: | |
2336 | return ret; | |
2337 | } | |
588aefa0 MW |
2338 | |
2339 | /** | |
2340 | * i40e_ndo_set_vf_link_state | |
2341 | * @netdev: network interface device structure | |
b40c82e6 | 2342 | * @vf_id: VF identifier |
588aefa0 MW |
2343 | * @link: required link state |
2344 | * | |
2345 | * Set the link state of a specified VF, regardless of physical link state | |
2346 | **/ | |
2347 | int i40e_ndo_set_vf_link_state(struct net_device *netdev, int vf_id, int link) | |
2348 | { | |
2349 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2350 | struct i40e_pf *pf = np->vsi->back; | |
2351 | struct i40e_virtchnl_pf_event pfe; | |
2352 | struct i40e_hw *hw = &pf->hw; | |
2353 | struct i40e_vf *vf; | |
f19efbb5 | 2354 | int abs_vf_id; |
588aefa0 MW |
2355 | int ret = 0; |
2356 | ||
2357 | /* validate the request */ | |
2358 | if (vf_id >= pf->num_alloc_vfs) { | |
2359 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2360 | ret = -EINVAL; | |
2361 | goto error_out; | |
2362 | } | |
2363 | ||
2364 | vf = &pf->vf[vf_id]; | |
f19efbb5 | 2365 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
588aefa0 MW |
2366 | |
2367 | pfe.event = I40E_VIRTCHNL_EVENT_LINK_CHANGE; | |
2368 | pfe.severity = I40E_PF_EVENT_SEVERITY_INFO; | |
2369 | ||
2370 | switch (link) { | |
2371 | case IFLA_VF_LINK_STATE_AUTO: | |
2372 | vf->link_forced = false; | |
2373 | pfe.event_data.link_event.link_status = | |
2374 | pf->hw.phy.link_info.link_info & I40E_AQ_LINK_UP; | |
2375 | pfe.event_data.link_event.link_speed = | |
2376 | pf->hw.phy.link_info.link_speed; | |
2377 | break; | |
2378 | case IFLA_VF_LINK_STATE_ENABLE: | |
2379 | vf->link_forced = true; | |
2380 | vf->link_up = true; | |
2381 | pfe.event_data.link_event.link_status = true; | |
2382 | pfe.event_data.link_event.link_speed = I40E_LINK_SPEED_40GB; | |
2383 | break; | |
2384 | case IFLA_VF_LINK_STATE_DISABLE: | |
2385 | vf->link_forced = true; | |
2386 | vf->link_up = false; | |
2387 | pfe.event_data.link_event.link_status = false; | |
2388 | pfe.event_data.link_event.link_speed = 0; | |
2389 | break; | |
2390 | default: | |
2391 | ret = -EINVAL; | |
2392 | goto error_out; | |
2393 | } | |
2394 | /* Notify the VF of its new link state */ | |
f19efbb5 | 2395 | i40e_aq_send_msg_to_vf(hw, abs_vf_id, I40E_VIRTCHNL_OP_EVENT, |
588aefa0 MW |
2396 | 0, (u8 *)&pfe, sizeof(pfe), NULL); |
2397 | ||
2398 | error_out: | |
2399 | return ret; | |
2400 | } | |
c674d125 MW |
2401 | |
2402 | /** | |
2403 | * i40e_ndo_set_vf_spoofchk | |
2404 | * @netdev: network interface device structure | |
b40c82e6 | 2405 | * @vf_id: VF identifier |
c674d125 MW |
2406 | * @enable: flag to enable or disable feature |
2407 | * | |
2408 | * Enable or disable VF spoof checking | |
2409 | **/ | |
e6d9004d | 2410 | int i40e_ndo_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool enable) |
c674d125 MW |
2411 | { |
2412 | struct i40e_netdev_priv *np = netdev_priv(netdev); | |
2413 | struct i40e_vsi *vsi = np->vsi; | |
2414 | struct i40e_pf *pf = vsi->back; | |
2415 | struct i40e_vsi_context ctxt; | |
2416 | struct i40e_hw *hw = &pf->hw; | |
2417 | struct i40e_vf *vf; | |
2418 | int ret = 0; | |
2419 | ||
2420 | /* validate the request */ | |
2421 | if (vf_id >= pf->num_alloc_vfs) { | |
2422 | dev_err(&pf->pdev->dev, "Invalid VF Identifier %d\n", vf_id); | |
2423 | ret = -EINVAL; | |
2424 | goto out; | |
2425 | } | |
2426 | ||
2427 | vf = &(pf->vf[vf_id]); | |
2428 | ||
2429 | if (enable == vf->spoofchk) | |
2430 | goto out; | |
2431 | ||
2432 | vf->spoofchk = enable; | |
2433 | memset(&ctxt, 0, sizeof(ctxt)); | |
fdf0e0bf | 2434 | ctxt.seid = pf->vsi[vf->lan_vsi_idx]->seid; |
c674d125 MW |
2435 | ctxt.pf_num = pf->hw.pf_id; |
2436 | ctxt.info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_SECURITY_VALID); | |
2437 | if (enable) | |
30d71af5 GR |
2438 | ctxt.info.sec_flags |= (I40E_AQ_VSI_SEC_FLAG_ENABLE_VLAN_CHK | |
2439 | I40E_AQ_VSI_SEC_FLAG_ENABLE_MAC_CHK); | |
c674d125 MW |
2440 | ret = i40e_aq_update_vsi_params(hw, &ctxt, NULL); |
2441 | if (ret) { | |
2442 | dev_err(&pf->pdev->dev, "Error %d updating VSI parameters\n", | |
2443 | ret); | |
2444 | ret = -EIO; | |
2445 | } | |
2446 | out: | |
2447 | return ret; | |
2448 | } |