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ddf30f7f AV |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (c) 2018, Intel Corporation. */ | |
3 | ||
4 | #include "ice.h" | |
eff380aa | 5 | #include "ice_base.h" |
ddf30f7f AV |
6 | #include "ice_lib.h" |
7 | ||
4c66d227 JB |
8 | /** |
9 | * ice_validate_vf_id - helper to check if VF ID is valid | |
10 | * @pf: pointer to the PF structure | |
11 | * @vf_id: the ID of the VF to check | |
12 | */ | |
13 | static int ice_validate_vf_id(struct ice_pf *pf, int vf_id) | |
14 | { | |
15 | if (vf_id >= pf->num_alloc_vfs) { | |
16 | dev_err(ice_pf_to_dev(pf), "Invalid VF ID: %d\n", vf_id); | |
17 | return -EINVAL; | |
18 | } | |
19 | return 0; | |
20 | } | |
21 | ||
22 | /** | |
23 | * ice_check_vf_init - helper to check if VF init complete | |
24 | * @pf: pointer to the PF structure | |
25 | * @vf: the pointer to the VF to check | |
26 | */ | |
27 | static int ice_check_vf_init(struct ice_pf *pf, struct ice_vf *vf) | |
28 | { | |
29 | if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states)) { | |
30 | dev_err(ice_pf_to_dev(pf), "VF ID: %d in reset. Try again.\n", | |
31 | vf->vf_id); | |
32 | return -EBUSY; | |
33 | } | |
34 | return 0; | |
35 | } | |
36 | ||
007676b4 AV |
37 | /** |
38 | * ice_vc_vf_broadcast - Broadcast a message to all VFs on PF | |
39 | * @pf: pointer to the PF structure | |
40 | * @v_opcode: operation code | |
41 | * @v_retval: return value | |
42 | * @msg: pointer to the msg buffer | |
43 | * @msglen: msg length | |
44 | */ | |
45 | static void | |
46 | ice_vc_vf_broadcast(struct ice_pf *pf, enum virtchnl_ops v_opcode, | |
cf6c6e01 | 47 | enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) |
007676b4 AV |
48 | { |
49 | struct ice_hw *hw = &pf->hw; | |
007676b4 AV |
50 | int i; |
51 | ||
005881bc BC |
52 | ice_for_each_vf(pf, i) { |
53 | struct ice_vf *vf = &pf->vf[i]; | |
54 | ||
007676b4 AV |
55 | /* Not all vfs are enabled so skip the ones that are not */ |
56 | if (!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && | |
57 | !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
58 | continue; | |
59 | ||
60 | /* Ignore return value on purpose - a given VF may fail, but | |
61 | * we need to keep going and send to all of them | |
62 | */ | |
63 | ice_aq_send_msg_to_vf(hw, vf->vf_id, v_opcode, v_retval, msg, | |
64 | msglen, NULL); | |
65 | } | |
66 | } | |
67 | ||
7c710869 AV |
68 | /** |
69 | * ice_set_pfe_link - Set the link speed/status of the virtchnl_pf_event | |
70 | * @vf: pointer to the VF structure | |
71 | * @pfe: pointer to the virtchnl_pf_event to set link speed/status for | |
72 | * @ice_link_speed: link speed specified by ICE_AQ_LINK_SPEED_* | |
73 | * @link_up: whether or not to set the link up/down | |
74 | */ | |
75 | static void | |
76 | ice_set_pfe_link(struct ice_vf *vf, struct virtchnl_pf_event *pfe, | |
77 | int ice_link_speed, bool link_up) | |
78 | { | |
79 | if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) { | |
80 | pfe->event_data.link_event_adv.link_status = link_up; | |
81 | /* Speed in Mbps */ | |
82 | pfe->event_data.link_event_adv.link_speed = | |
83 | ice_conv_link_speed_to_virtchnl(true, ice_link_speed); | |
84 | } else { | |
85 | pfe->event_data.link_event.link_status = link_up; | |
86 | /* Legacy method for virtchnl link speeds */ | |
87 | pfe->event_data.link_event.link_speed = | |
88 | (enum virtchnl_link_speed) | |
89 | ice_conv_link_speed_to_virtchnl(false, ice_link_speed); | |
90 | } | |
91 | } | |
92 | ||
0b6c6a8b BC |
93 | /** |
94 | * ice_is_vf_link_up - check if the VF's link is up | |
95 | * @vf: VF to check if link is up | |
96 | */ | |
97 | static bool ice_is_vf_link_up(struct ice_vf *vf) | |
98 | { | |
99 | struct ice_pf *pf = vf->pf; | |
100 | ||
101 | if (ice_check_vf_init(pf, vf)) | |
102 | return false; | |
103 | ||
104 | if (!vf->num_qs_ena) | |
105 | return false; | |
106 | else if (vf->link_forced) | |
107 | return vf->link_up; | |
108 | else | |
109 | return pf->hw.port_info->phy.link_info.link_info & | |
110 | ICE_AQ_LINK_UP; | |
111 | } | |
112 | ||
1071a835 AV |
113 | /** |
114 | * ice_vc_notify_vf_link_state - Inform a VF of link status | |
115 | * @vf: pointer to the VF structure | |
116 | * | |
117 | * send a link status message to a single VF | |
118 | */ | |
119 | static void ice_vc_notify_vf_link_state(struct ice_vf *vf) | |
120 | { | |
121 | struct virtchnl_pf_event pfe = { 0 }; | |
0b6c6a8b | 122 | struct ice_hw *hw = &vf->pf->hw; |
1071a835 AV |
123 | |
124 | pfe.event = VIRTCHNL_EVENT_LINK_CHANGE; | |
125 | pfe.severity = PF_EVENT_SEVERITY_INFO; | |
126 | ||
0b6c6a8b BC |
127 | if (ice_is_vf_link_up(vf)) |
128 | ice_set_pfe_link(vf, &pfe, | |
129 | hw->port_info->phy.link_info.link_speed, true); | |
130 | else | |
c61d2342 | 131 | ice_set_pfe_link(vf, &pfe, ICE_AQ_LINK_SPEED_UNKNOWN, false); |
1071a835 | 132 | |
cf6c6e01 MW |
133 | ice_aq_send_msg_to_vf(hw, vf->vf_id, VIRTCHNL_OP_EVENT, |
134 | VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, | |
1071a835 AV |
135 | sizeof(pfe), NULL); |
136 | } | |
137 | ||
ddf30f7f AV |
138 | /** |
139 | * ice_free_vf_res - Free a VF's resources | |
140 | * @vf: pointer to the VF info | |
141 | */ | |
142 | static void ice_free_vf_res(struct ice_vf *vf) | |
143 | { | |
144 | struct ice_pf *pf = vf->pf; | |
72ecb896 | 145 | int i, last_vector_idx; |
ddf30f7f AV |
146 | |
147 | /* First, disable VF's configuration API to prevent OS from | |
148 | * accessing the VF's VSI after it's freed or invalidated. | |
149 | */ | |
150 | clear_bit(ICE_VF_STATE_INIT, vf->vf_states); | |
151 | ||
2f2da36e | 152 | /* free VSI and disconnect it from the parent uplink */ |
ddf30f7f AV |
153 | if (vf->lan_vsi_idx) { |
154 | ice_vsi_release(pf->vsi[vf->lan_vsi_idx]); | |
155 | vf->lan_vsi_idx = 0; | |
156 | vf->lan_vsi_num = 0; | |
157 | vf->num_mac = 0; | |
158 | } | |
159 | ||
72ecb896 | 160 | last_vector_idx = vf->first_vector_idx + pf->num_vf_msix - 1; |
ddf30f7f | 161 | /* Disable interrupts so that VF starts in a known state */ |
72ecb896 BC |
162 | for (i = vf->first_vector_idx; i <= last_vector_idx; i++) { |
163 | wr32(&pf->hw, GLINT_DYN_CTL(i), GLINT_DYN_CTL_CLEARPBA_M); | |
ddf30f7f AV |
164 | ice_flush(&pf->hw); |
165 | } | |
166 | /* reset some of the state variables keeping track of the resources */ | |
167 | clear_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states); | |
168 | clear_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states); | |
169 | } | |
170 | ||
ddf30f7f AV |
171 | /** |
172 | * ice_dis_vf_mappings | |
173 | * @vf: pointer to the VF structure | |
174 | */ | |
175 | static void ice_dis_vf_mappings(struct ice_vf *vf) | |
176 | { | |
177 | struct ice_pf *pf = vf->pf; | |
178 | struct ice_vsi *vsi; | |
4015d11e | 179 | struct device *dev; |
ddf30f7f AV |
180 | int first, last, v; |
181 | struct ice_hw *hw; | |
182 | ||
183 | hw = &pf->hw; | |
184 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
185 | ||
4015d11e | 186 | dev = ice_pf_to_dev(pf); |
ddf30f7f | 187 | wr32(hw, VPINT_ALLOC(vf->vf_id), 0); |
982b1219 | 188 | wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), 0); |
ddf30f7f | 189 | |
cbe66bfe | 190 | first = vf->first_vector_idx; |
ddf30f7f AV |
191 | last = first + pf->num_vf_msix - 1; |
192 | for (v = first; v <= last; v++) { | |
193 | u32 reg; | |
194 | ||
195 | reg = (((1 << GLINT_VECT2FUNC_IS_PF_S) & | |
196 | GLINT_VECT2FUNC_IS_PF_M) | | |
197 | ((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) & | |
198 | GLINT_VECT2FUNC_PF_NUM_M)); | |
199 | wr32(hw, GLINT_VECT2FUNC(v), reg); | |
200 | } | |
201 | ||
202 | if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG) | |
203 | wr32(hw, VPLAN_TX_QBASE(vf->vf_id), 0); | |
204 | else | |
4015d11e | 205 | dev_err(dev, "Scattered mode for VF Tx queues is not yet implemented\n"); |
ddf30f7f AV |
206 | |
207 | if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG) | |
208 | wr32(hw, VPLAN_RX_QBASE(vf->vf_id), 0); | |
209 | else | |
19cce2c6 | 210 | dev_err(dev, "Scattered mode for VF Rx queues is not yet implemented\n"); |
ddf30f7f AV |
211 | } |
212 | ||
cbe66bfe BC |
213 | /** |
214 | * ice_sriov_free_msix_res - Reset/free any used MSIX resources | |
215 | * @pf: pointer to the PF structure | |
216 | * | |
217 | * If MSIX entries from the pf->irq_tracker were needed then we need to | |
218 | * reset the irq_tracker->end and give back the entries we needed to | |
219 | * num_avail_sw_msix. | |
220 | * | |
221 | * If no MSIX entries were taken from the pf->irq_tracker then just clear | |
222 | * the pf->sriov_base_vector. | |
223 | * | |
224 | * Returns 0 on success, and -EINVAL on error. | |
225 | */ | |
226 | static int ice_sriov_free_msix_res(struct ice_pf *pf) | |
227 | { | |
228 | struct ice_res_tracker *res; | |
229 | ||
230 | if (!pf) | |
231 | return -EINVAL; | |
232 | ||
233 | res = pf->irq_tracker; | |
234 | if (!res) | |
235 | return -EINVAL; | |
236 | ||
237 | /* give back irq_tracker resources used */ | |
238 | if (pf->sriov_base_vector < res->num_entries) { | |
239 | res->end = res->num_entries; | |
240 | pf->num_avail_sw_msix += | |
241 | res->num_entries - pf->sriov_base_vector; | |
242 | } | |
243 | ||
244 | pf->sriov_base_vector = 0; | |
245 | ||
246 | return 0; | |
247 | } | |
248 | ||
77ca27c4 PG |
249 | /** |
250 | * ice_set_vf_state_qs_dis - Set VF queues state to disabled | |
251 | * @vf: pointer to the VF structure | |
252 | */ | |
253 | void ice_set_vf_state_qs_dis(struct ice_vf *vf) | |
254 | { | |
255 | /* Clear Rx/Tx enabled queues flag */ | |
256 | bitmap_zero(vf->txq_ena, ICE_MAX_BASE_QS_PER_VF); | |
257 | bitmap_zero(vf->rxq_ena, ICE_MAX_BASE_QS_PER_VF); | |
258 | vf->num_qs_ena = 0; | |
259 | clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); | |
260 | } | |
261 | ||
262 | /** | |
263 | * ice_dis_vf_qs - Disable the VF queues | |
264 | * @vf: pointer to the VF structure | |
265 | */ | |
266 | static void ice_dis_vf_qs(struct ice_vf *vf) | |
267 | { | |
268 | struct ice_pf *pf = vf->pf; | |
269 | struct ice_vsi *vsi; | |
270 | ||
271 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
272 | ||
273 | ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, vf->vf_id); | |
13a6233b | 274 | ice_vsi_stop_all_rx_rings(vsi); |
77ca27c4 PG |
275 | ice_set_vf_state_qs_dis(vf); |
276 | } | |
277 | ||
ddf30f7f AV |
278 | /** |
279 | * ice_free_vfs - Free all VFs | |
280 | * @pf: pointer to the PF structure | |
281 | */ | |
282 | void ice_free_vfs(struct ice_pf *pf) | |
283 | { | |
4015d11e | 284 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f AV |
285 | struct ice_hw *hw = &pf->hw; |
286 | int tmp, i; | |
287 | ||
288 | if (!pf->vf) | |
289 | return; | |
290 | ||
291 | while (test_and_set_bit(__ICE_VF_DIS, pf->state)) | |
292 | usleep_range(1000, 2000); | |
293 | ||
294 | /* Avoid wait time by stopping all VFs at the same time */ | |
005881bc | 295 | ice_for_each_vf(pf, i) |
77ca27c4 PG |
296 | if (test_bit(ICE_VF_STATE_QS_ENA, pf->vf[i].vf_states)) |
297 | ice_dis_vf_qs(&pf->vf[i]); | |
ddf30f7f | 298 | |
72ecb896 BC |
299 | /* Disable IOV before freeing resources. This lets any VF drivers |
300 | * running in the host get themselves cleaned up before we yank | |
301 | * the carpet out from underneath their feet. | |
302 | */ | |
303 | if (!pci_vfs_assigned(pf->pdev)) | |
304 | pci_disable_sriov(pf->pdev); | |
305 | else | |
4015d11e | 306 | dev_warn(dev, "VFs are assigned - not disabling SR-IOV\n"); |
72ecb896 | 307 | |
ddf30f7f AV |
308 | tmp = pf->num_alloc_vfs; |
309 | pf->num_vf_qps = 0; | |
310 | pf->num_alloc_vfs = 0; | |
311 | for (i = 0; i < tmp; i++) { | |
312 | if (test_bit(ICE_VF_STATE_INIT, pf->vf[i].vf_states)) { | |
1f9639d2 | 313 | /* disable VF qp mappings and set VF disable state */ |
ddf30f7f | 314 | ice_dis_vf_mappings(&pf->vf[i]); |
1f9639d2 | 315 | set_bit(ICE_VF_STATE_DIS, pf->vf[i].vf_states); |
ddf30f7f AV |
316 | ice_free_vf_res(&pf->vf[i]); |
317 | } | |
318 | } | |
319 | ||
cbe66bfe | 320 | if (ice_sriov_free_msix_res(pf)) |
4015d11e | 321 | dev_err(dev, "Failed to free MSIX resources used by SR-IOV\n"); |
cbe66bfe | 322 | |
4015d11e | 323 | devm_kfree(dev, pf->vf); |
ddf30f7f AV |
324 | pf->vf = NULL; |
325 | ||
326 | /* This check is for when the driver is unloaded while VFs are | |
327 | * assigned. Setting the number of VFs to 0 through sysfs is caught | |
328 | * before this function ever gets called. | |
329 | */ | |
330 | if (!pci_vfs_assigned(pf->pdev)) { | |
331 | int vf_id; | |
332 | ||
333 | /* Acknowledge VFLR for all VFs. Without this, VFs will fail to | |
334 | * work correctly when SR-IOV gets re-enabled. | |
335 | */ | |
336 | for (vf_id = 0; vf_id < tmp; vf_id++) { | |
337 | u32 reg_idx, bit_idx; | |
338 | ||
339 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
340 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
341 | wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); | |
342 | } | |
343 | } | |
344 | clear_bit(__ICE_VF_DIS, pf->state); | |
345 | clear_bit(ICE_FLAG_SRIOV_ENA, pf->flags); | |
346 | } | |
347 | ||
348 | /** | |
349 | * ice_trigger_vf_reset - Reset a VF on HW | |
350 | * @vf: pointer to the VF structure | |
351 | * @is_vflr: true if VFLR was issued, false if not | |
29d42f1f | 352 | * @is_pfr: true if the reset was triggered due to a previous PFR |
ddf30f7f AV |
353 | * |
354 | * Trigger hardware to start a reset for a particular VF. Expects the caller | |
355 | * to wait the proper amount of time to allow hardware to reset the VF before | |
356 | * it cleans up and restores VF functionality. | |
357 | */ | |
29d42f1f | 358 | static void ice_trigger_vf_reset(struct ice_vf *vf, bool is_vflr, bool is_pfr) |
ddf30f7f AV |
359 | { |
360 | struct ice_pf *pf = vf->pf; | |
361 | u32 reg, reg_idx, bit_idx; | |
4015d11e | 362 | struct device *dev; |
ddf30f7f AV |
363 | struct ice_hw *hw; |
364 | int vf_abs_id, i; | |
365 | ||
4015d11e | 366 | dev = ice_pf_to_dev(pf); |
ddf30f7f AV |
367 | hw = &pf->hw; |
368 | vf_abs_id = vf->vf_id + hw->func_caps.vf_base_id; | |
369 | ||
370 | /* Inform VF that it is no longer active, as a warning */ | |
371 | clear_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); | |
372 | ||
373 | /* Disable VF's configuration API during reset. The flag is re-enabled | |
374 | * in ice_alloc_vf_res(), when it's safe again to access VF's VSI. | |
375 | * It's normally disabled in ice_free_vf_res(), but it's safer | |
376 | * to do it earlier to give some time to finish to any VF config | |
377 | * functions that may still be running at this point. | |
378 | */ | |
379 | clear_bit(ICE_VF_STATE_INIT, vf->vf_states); | |
82ba0128 | 380 | |
29d42f1f MW |
381 | /* VF_MBX_ARQLEN is cleared by PFR, so the driver needs to clear it |
382 | * in the case of VFR. If this is done for PFR, it can mess up VF | |
383 | * resets because the VF driver may already have started cleanup | |
384 | * by the time we get here. | |
82ba0128 | 385 | */ |
29d42f1f | 386 | if (!is_pfr) |
39559456 | 387 | wr32(hw, VF_MBX_ARQLEN(vf->vf_id), 0); |
ddf30f7f AV |
388 | |
389 | /* In the case of a VFLR, the HW has already reset the VF and we | |
390 | * just need to clean up, so don't hit the VFRTRIG register. | |
391 | */ | |
392 | if (!is_vflr) { | |
393 | /* reset VF using VPGEN_VFRTRIG reg */ | |
394 | reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id)); | |
395 | reg |= VPGEN_VFRTRIG_VFSWR_M; | |
396 | wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg); | |
397 | } | |
398 | /* clear the VFLR bit in GLGEN_VFLRSTAT */ | |
399 | reg_idx = (vf_abs_id) / 32; | |
400 | bit_idx = (vf_abs_id) % 32; | |
401 | wr32(hw, GLGEN_VFLRSTAT(reg_idx), BIT(bit_idx)); | |
402 | ice_flush(hw); | |
403 | ||
404 | wr32(hw, PF_PCI_CIAA, | |
405 | VF_DEVICE_STATUS | (vf_abs_id << PF_PCI_CIAA_VF_NUM_S)); | |
60d628ea | 406 | for (i = 0; i < ICE_PCI_CIAD_WAIT_COUNT; i++) { |
ddf30f7f | 407 | reg = rd32(hw, PF_PCI_CIAD); |
60d628ea BC |
408 | /* no transactions pending so stop polling */ |
409 | if ((reg & VF_TRANS_PENDING_M) == 0) | |
410 | break; | |
411 | ||
19cce2c6 | 412 | dev_err(dev, "VF %d PCI transactions stuck\n", vf->vf_id); |
60d628ea | 413 | udelay(ICE_PCI_CIAD_WAIT_DELAY_US); |
ddf30f7f AV |
414 | } |
415 | } | |
416 | ||
77a7a84d MS |
417 | /** |
418 | * ice_vsi_manage_pvid - Enable or disable port VLAN for VSI | |
419 | * @vsi: the VSI to update | |
b093841f | 420 | * @pvid_info: VLAN ID and QoS used to set the PVID VSI context field |
f9867df6 | 421 | * @enable: true for enable PVID false for disable |
77a7a84d | 422 | */ |
b093841f | 423 | static int ice_vsi_manage_pvid(struct ice_vsi *vsi, u16 pvid_info, bool enable) |
ddf30f7f | 424 | { |
ddf30f7f | 425 | struct ice_hw *hw = &vsi->back->hw; |
b093841f | 426 | struct ice_aqc_vsi_props *info; |
198a666a | 427 | struct ice_vsi_ctx *ctxt; |
ddf30f7f | 428 | enum ice_status status; |
198a666a BA |
429 | int ret = 0; |
430 | ||
9efe35d0 | 431 | ctxt = kzalloc(sizeof(*ctxt), GFP_KERNEL); |
198a666a BA |
432 | if (!ctxt) |
433 | return -ENOMEM; | |
ddf30f7f | 434 | |
77a7a84d | 435 | ctxt->info = vsi->info; |
b093841f BC |
436 | info = &ctxt->info; |
437 | if (enable) { | |
438 | info->vlan_flags = ICE_AQ_VSI_VLAN_MODE_UNTAGGED | | |
439 | ICE_AQ_VSI_PVLAN_INSERT_PVID | | |
440 | ICE_AQ_VSI_VLAN_EMOD_STR; | |
441 | info->sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; | |
442 | } else { | |
443 | info->vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING | | |
444 | ICE_AQ_VSI_VLAN_MODE_ALL; | |
445 | info->sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; | |
446 | } | |
447 | ||
448 | info->pvid = cpu_to_le16(pvid_info); | |
449 | info->valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID | | |
450 | ICE_AQ_VSI_PROP_SW_VALID); | |
ddf30f7f | 451 | |
198a666a | 452 | status = ice_update_vsi(hw, vsi->idx, ctxt, NULL); |
ddf30f7f | 453 | if (status) { |
b093841f | 454 | dev_info(ice_hw_to_dev(hw), "update VSI for port VLAN failed, err %d aq_err %d\n", |
ddf30f7f | 455 | status, hw->adminq.sq_last_status); |
198a666a BA |
456 | ret = -EIO; |
457 | goto out; | |
ddf30f7f AV |
458 | } |
459 | ||
b093841f BC |
460 | vsi->info.vlan_flags = info->vlan_flags; |
461 | vsi->info.sw_flags2 = info->sw_flags2; | |
462 | vsi->info.pvid = info->pvid; | |
198a666a | 463 | out: |
9efe35d0 | 464 | kfree(ctxt); |
198a666a | 465 | return ret; |
ddf30f7f AV |
466 | } |
467 | ||
468 | /** | |
469 | * ice_vf_vsi_setup - Set up a VF VSI | |
470 | * @pf: board private structure | |
471 | * @pi: pointer to the port_info instance | |
f9867df6 | 472 | * @vf_id: defines VF ID to which this VSI connects. |
ddf30f7f AV |
473 | * |
474 | * Returns pointer to the successfully allocated VSI struct on success, | |
475 | * otherwise returns NULL on failure. | |
476 | */ | |
477 | static struct ice_vsi * | |
478 | ice_vf_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, u16 vf_id) | |
479 | { | |
480 | return ice_vsi_setup(pf, pi, ICE_VSI_VF, vf_id); | |
481 | } | |
482 | ||
cbe66bfe | 483 | /** |
1337175d | 484 | * ice_calc_vf_first_vector_idx - Calculate MSIX vector index in the PF space |
cbe66bfe BC |
485 | * @pf: pointer to PF structure |
486 | * @vf: pointer to VF that the first MSIX vector index is being calculated for | |
487 | * | |
1337175d PG |
488 | * This returns the first MSIX vector index in PF space that is used by this VF. |
489 | * This index is used when accessing PF relative registers such as | |
490 | * GLINT_VECT2FUNC and GLINT_DYN_CTL. | |
491 | * This will always be the OICR index in the AVF driver so any functionality | |
cbe66bfe BC |
492 | * using vf->first_vector_idx for queue configuration will have to increment by |
493 | * 1 to avoid meddling with the OICR index. | |
494 | */ | |
495 | static int ice_calc_vf_first_vector_idx(struct ice_pf *pf, struct ice_vf *vf) | |
496 | { | |
1337175d | 497 | return pf->sriov_base_vector + vf->vf_id * pf->num_vf_msix; |
cbe66bfe BC |
498 | } |
499 | ||
ddf30f7f AV |
500 | /** |
501 | * ice_alloc_vsi_res - Setup VF VSI and its resources | |
502 | * @vf: pointer to the VF structure | |
503 | * | |
504 | * Returns 0 on success, negative value on failure | |
505 | */ | |
506 | static int ice_alloc_vsi_res(struct ice_vf *vf) | |
507 | { | |
508 | struct ice_pf *pf = vf->pf; | |
509 | LIST_HEAD(tmp_add_list); | |
510 | u8 broadcast[ETH_ALEN]; | |
511 | struct ice_vsi *vsi; | |
4015d11e | 512 | struct device *dev; |
ddf30f7f AV |
513 | int status = 0; |
514 | ||
4015d11e | 515 | dev = ice_pf_to_dev(pf); |
cbe66bfe BC |
516 | /* first vector index is the VFs OICR index */ |
517 | vf->first_vector_idx = ice_calc_vf_first_vector_idx(pf, vf); | |
518 | ||
ddf30f7f | 519 | vsi = ice_vf_vsi_setup(pf, pf->hw.port_info, vf->vf_id); |
ddf30f7f | 520 | if (!vsi) { |
4015d11e | 521 | dev_err(dev, "Failed to create VF VSI\n"); |
ddf30f7f AV |
522 | return -ENOMEM; |
523 | } | |
524 | ||
525 | vf->lan_vsi_idx = vsi->idx; | |
526 | vf->lan_vsi_num = vsi->vsi_num; | |
527 | ||
ddf30f7f | 528 | /* Check if port VLAN exist before, and restore it accordingly */ |
b093841f BC |
529 | if (vf->port_vlan_info) { |
530 | ice_vsi_manage_pvid(vsi, vf->port_vlan_info, true); | |
72634bc2 BC |
531 | if (ice_vsi_add_vlan(vsi, vf->port_vlan_info & VLAN_VID_MASK)) |
532 | dev_warn(ice_pf_to_dev(pf), "Failed to add Port VLAN %d filter for VF %d\n", | |
533 | vf->port_vlan_info & VLAN_VID_MASK, vf->vf_id); | |
534 | } else { | |
535 | /* set VLAN 0 filter by default when no port VLAN is | |
536 | * enabled. If a port VLAN is enabled we don't want | |
537 | * untagged broadcast/multicast traffic seen on the VF | |
538 | * interface. | |
539 | */ | |
540 | if (ice_vsi_add_vlan(vsi, 0)) | |
541 | dev_warn(ice_pf_to_dev(pf), "Failed to add VLAN 0 filter for VF %d, MDD events will trigger. Reset the VF, disable spoofchk, or enable 8021q module on the guest\n", | |
542 | vf->vf_id); | |
840bcd88 | 543 | } |
ddf30f7f AV |
544 | |
545 | eth_broadcast_addr(broadcast); | |
546 | ||
547 | status = ice_add_mac_to_list(vsi, &tmp_add_list, broadcast); | |
548 | if (status) | |
549 | goto ice_alloc_vsi_res_exit; | |
550 | ||
551 | if (is_valid_ether_addr(vf->dflt_lan_addr.addr)) { | |
552 | status = ice_add_mac_to_list(vsi, &tmp_add_list, | |
553 | vf->dflt_lan_addr.addr); | |
554 | if (status) | |
555 | goto ice_alloc_vsi_res_exit; | |
556 | } | |
557 | ||
558 | status = ice_add_mac(&pf->hw, &tmp_add_list); | |
559 | if (status) | |
4015d11e | 560 | dev_err(dev, "could not add mac filters error %d\n", status); |
bbb968e8 AA |
561 | else |
562 | vf->num_mac = 1; | |
ddf30f7f AV |
563 | |
564 | /* Clear this bit after VF initialization since we shouldn't reclaim | |
565 | * and reassign interrupts for synchronous or asynchronous VFR events. | |
94c4441b | 566 | * We don't want to reconfigure interrupts since AVF driver doesn't |
ddf30f7f AV |
567 | * expect vector assignment to be changed unless there is a request for |
568 | * more vectors. | |
569 | */ | |
ddf30f7f | 570 | ice_alloc_vsi_res_exit: |
4015d11e | 571 | ice_free_fltr_list(dev, &tmp_add_list); |
ddf30f7f AV |
572 | return status; |
573 | } | |
574 | ||
575 | /** | |
576 | * ice_alloc_vf_res - Allocate VF resources | |
577 | * @vf: pointer to the VF structure | |
578 | */ | |
579 | static int ice_alloc_vf_res(struct ice_vf *vf) | |
580 | { | |
5743020d AA |
581 | struct ice_pf *pf = vf->pf; |
582 | int tx_rx_queue_left; | |
ddf30f7f AV |
583 | int status; |
584 | ||
5743020d AA |
585 | /* Update number of VF queues, in case VF had requested for queue |
586 | * changes | |
587 | */ | |
8c243700 AV |
588 | tx_rx_queue_left = min_t(int, ice_get_avail_txq_count(pf), |
589 | ice_get_avail_rxq_count(pf)); | |
5743020d AA |
590 | tx_rx_queue_left += ICE_DFLT_QS_PER_VF; |
591 | if (vf->num_req_qs && vf->num_req_qs <= tx_rx_queue_left && | |
592 | vf->num_req_qs != vf->num_vf_qs) | |
593 | vf->num_vf_qs = vf->num_req_qs; | |
594 | ||
66b29e7a AA |
595 | /* setup VF VSI and necessary resources */ |
596 | status = ice_alloc_vsi_res(vf); | |
597 | if (status) | |
598 | goto ice_alloc_vf_res_exit; | |
599 | ||
ddf30f7f AV |
600 | if (vf->trusted) |
601 | set_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); | |
602 | else | |
603 | clear_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); | |
604 | ||
605 | /* VF is now completely initialized */ | |
606 | set_bit(ICE_VF_STATE_INIT, vf->vf_states); | |
607 | ||
608 | return status; | |
609 | ||
610 | ice_alloc_vf_res_exit: | |
611 | ice_free_vf_res(vf); | |
612 | return status; | |
613 | } | |
614 | ||
615 | /** | |
616 | * ice_ena_vf_mappings | |
617 | * @vf: pointer to the VF structure | |
618 | * | |
619 | * Enable VF vectors and queues allocation by writing the details into | |
620 | * respective registers. | |
621 | */ | |
622 | static void ice_ena_vf_mappings(struct ice_vf *vf) | |
623 | { | |
1337175d | 624 | int abs_vf_id, abs_first, abs_last; |
ddf30f7f AV |
625 | struct ice_pf *pf = vf->pf; |
626 | struct ice_vsi *vsi; | |
4015d11e | 627 | struct device *dev; |
ddf30f7f AV |
628 | int first, last, v; |
629 | struct ice_hw *hw; | |
ddf30f7f AV |
630 | u32 reg; |
631 | ||
4015d11e | 632 | dev = ice_pf_to_dev(pf); |
ddf30f7f AV |
633 | hw = &pf->hw; |
634 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
cbe66bfe | 635 | first = vf->first_vector_idx; |
ddf30f7f | 636 | last = (first + pf->num_vf_msix) - 1; |
1337175d PG |
637 | abs_first = first + pf->hw.func_caps.common_cap.msix_vector_first_id; |
638 | abs_last = (abs_first + pf->num_vf_msix) - 1; | |
ddf30f7f AV |
639 | abs_vf_id = vf->vf_id + hw->func_caps.vf_base_id; |
640 | ||
641 | /* VF Vector allocation */ | |
1337175d PG |
642 | reg = (((abs_first << VPINT_ALLOC_FIRST_S) & VPINT_ALLOC_FIRST_M) | |
643 | ((abs_last << VPINT_ALLOC_LAST_S) & VPINT_ALLOC_LAST_M) | | |
ddf30f7f AV |
644 | VPINT_ALLOC_VALID_M); |
645 | wr32(hw, VPINT_ALLOC(vf->vf_id), reg); | |
646 | ||
1337175d PG |
647 | reg = (((abs_first << VPINT_ALLOC_PCI_FIRST_S) |
648 | & VPINT_ALLOC_PCI_FIRST_M) | | |
649 | ((abs_last << VPINT_ALLOC_PCI_LAST_S) & VPINT_ALLOC_PCI_LAST_M) | | |
982b1219 AV |
650 | VPINT_ALLOC_PCI_VALID_M); |
651 | wr32(hw, VPINT_ALLOC_PCI(vf->vf_id), reg); | |
ddf30f7f AV |
652 | /* map the interrupts to its functions */ |
653 | for (v = first; v <= last; v++) { | |
654 | reg = (((abs_vf_id << GLINT_VECT2FUNC_VF_NUM_S) & | |
655 | GLINT_VECT2FUNC_VF_NUM_M) | | |
656 | ((hw->pf_id << GLINT_VECT2FUNC_PF_NUM_S) & | |
657 | GLINT_VECT2FUNC_PF_NUM_M)); | |
658 | wr32(hw, GLINT_VECT2FUNC(v), reg); | |
659 | } | |
660 | ||
a7c9b47b MW |
661 | /* Map mailbox interrupt. We put an explicit 0 here to remind us that |
662 | * VF admin queue interrupts will go to VF MSI-X vector 0. | |
663 | */ | |
664 | wr32(hw, VPINT_MBX_CTL(abs_vf_id), VPINT_MBX_CTL_CAUSE_ENA_M | 0); | |
982b1219 AV |
665 | /* set regardless of mapping mode */ |
666 | wr32(hw, VPLAN_TXQ_MAPENA(vf->vf_id), VPLAN_TXQ_MAPENA_TX_ENA_M); | |
667 | ||
ddf30f7f AV |
668 | /* VF Tx queues allocation */ |
669 | if (vsi->tx_mapping_mode == ICE_VSI_MAP_CONTIG) { | |
ddf30f7f AV |
670 | /* set the VF PF Tx queue range |
671 | * VFNUMQ value should be set to (number of queues - 1). A value | |
672 | * of 0 means 1 queue and a value of 255 means 256 queues | |
673 | */ | |
674 | reg = (((vsi->txq_map[0] << VPLAN_TX_QBASE_VFFIRSTQ_S) & | |
675 | VPLAN_TX_QBASE_VFFIRSTQ_M) | | |
676 | (((vsi->alloc_txq - 1) << VPLAN_TX_QBASE_VFNUMQ_S) & | |
677 | VPLAN_TX_QBASE_VFNUMQ_M)); | |
678 | wr32(hw, VPLAN_TX_QBASE(vf->vf_id), reg); | |
679 | } else { | |
4015d11e | 680 | dev_err(dev, "Scattered mode for VF Tx queues is not yet implemented\n"); |
ddf30f7f AV |
681 | } |
682 | ||
982b1219 AV |
683 | /* set regardless of mapping mode */ |
684 | wr32(hw, VPLAN_RXQ_MAPENA(vf->vf_id), VPLAN_RXQ_MAPENA_RX_ENA_M); | |
685 | ||
ddf30f7f AV |
686 | /* VF Rx queues allocation */ |
687 | if (vsi->rx_mapping_mode == ICE_VSI_MAP_CONTIG) { | |
ddf30f7f AV |
688 | /* set the VF PF Rx queue range |
689 | * VFNUMQ value should be set to (number of queues - 1). A value | |
690 | * of 0 means 1 queue and a value of 255 means 256 queues | |
691 | */ | |
692 | reg = (((vsi->rxq_map[0] << VPLAN_RX_QBASE_VFFIRSTQ_S) & | |
693 | VPLAN_RX_QBASE_VFFIRSTQ_M) | | |
694 | (((vsi->alloc_txq - 1) << VPLAN_RX_QBASE_VFNUMQ_S) & | |
695 | VPLAN_RX_QBASE_VFNUMQ_M)); | |
696 | wr32(hw, VPLAN_RX_QBASE(vf->vf_id), reg); | |
697 | } else { | |
4015d11e | 698 | dev_err(dev, "Scattered mode for VF Rx queues is not yet implemented\n"); |
ddf30f7f AV |
699 | } |
700 | } | |
701 | ||
702 | /** | |
703 | * ice_determine_res | |
704 | * @pf: pointer to the PF structure | |
705 | * @avail_res: available resources in the PF structure | |
706 | * @max_res: maximum resources that can be given per VF | |
707 | * @min_res: minimum resources that can be given per VF | |
708 | * | |
709 | * Returns non-zero value if resources (queues/vectors) are available or | |
710 | * returns zero if PF cannot accommodate for all num_alloc_vfs. | |
711 | */ | |
712 | static int | |
713 | ice_determine_res(struct ice_pf *pf, u16 avail_res, u16 max_res, u16 min_res) | |
714 | { | |
715 | bool checked_min_res = false; | |
716 | int res; | |
717 | ||
718 | /* start by checking if PF can assign max number of resources for | |
719 | * all num_alloc_vfs. | |
720 | * if yes, return number per VF | |
721 | * If no, divide by 2 and roundup, check again | |
722 | * repeat the loop till we reach a point where even minimum resources | |
723 | * are not available, in that case return 0 | |
724 | */ | |
725 | res = max_res; | |
726 | while ((res >= min_res) && !checked_min_res) { | |
727 | int num_all_res; | |
728 | ||
729 | num_all_res = pf->num_alloc_vfs * res; | |
730 | if (num_all_res <= avail_res) | |
731 | return res; | |
732 | ||
733 | if (res == min_res) | |
734 | checked_min_res = true; | |
735 | ||
736 | res = DIV_ROUND_UP(res, 2); | |
737 | } | |
738 | return 0; | |
739 | } | |
740 | ||
cbe66bfe BC |
741 | /** |
742 | * ice_calc_vf_reg_idx - Calculate the VF's register index in the PF space | |
743 | * @vf: VF to calculate the register index for | |
744 | * @q_vector: a q_vector associated to the VF | |
745 | */ | |
746 | int ice_calc_vf_reg_idx(struct ice_vf *vf, struct ice_q_vector *q_vector) | |
747 | { | |
748 | struct ice_pf *pf; | |
749 | ||
750 | if (!vf || !q_vector) | |
751 | return -EINVAL; | |
752 | ||
753 | pf = vf->pf; | |
754 | ||
755 | /* always add one to account for the OICR being the first MSIX */ | |
756 | return pf->sriov_base_vector + pf->num_vf_msix * vf->vf_id + | |
757 | q_vector->v_idx + 1; | |
758 | } | |
759 | ||
760 | /** | |
761 | * ice_get_max_valid_res_idx - Get the max valid resource index | |
762 | * @res: pointer to the resource to find the max valid index for | |
763 | * | |
764 | * Start from the end of the ice_res_tracker and return right when we find the | |
765 | * first res->list entry with the ICE_RES_VALID_BIT set. This function is only | |
766 | * valid for SR-IOV because it is the only consumer that manipulates the | |
767 | * res->end and this is always called when res->end is set to res->num_entries. | |
768 | */ | |
769 | static int ice_get_max_valid_res_idx(struct ice_res_tracker *res) | |
770 | { | |
771 | int i; | |
772 | ||
773 | if (!res) | |
774 | return -EINVAL; | |
775 | ||
776 | for (i = res->num_entries - 1; i >= 0; i--) | |
777 | if (res->list[i] & ICE_RES_VALID_BIT) | |
778 | return i; | |
779 | ||
780 | return 0; | |
781 | } | |
782 | ||
783 | /** | |
784 | * ice_sriov_set_msix_res - Set any used MSIX resources | |
785 | * @pf: pointer to PF structure | |
786 | * @num_msix_needed: number of MSIX vectors needed for all SR-IOV VFs | |
787 | * | |
788 | * This function allows SR-IOV resources to be taken from the end of the PF's | |
789 | * allowed HW MSIX vectors so in many cases the irq_tracker will not | |
790 | * be needed. In these cases we just set the pf->sriov_base_vector and return | |
791 | * success. | |
792 | * | |
793 | * If SR-IOV needs to use any pf->irq_tracker entries it updates the | |
794 | * irq_tracker->end based on the first entry needed for SR-IOV. This makes it | |
795 | * so any calls to ice_get_res() using the irq_tracker will not try to use | |
796 | * resources at or beyond the newly set value. | |
797 | * | |
798 | * Return 0 on success, and -EINVAL when there are not enough MSIX vectors in | |
799 | * in the PF's space available for SR-IOV. | |
800 | */ | |
801 | static int ice_sriov_set_msix_res(struct ice_pf *pf, u16 num_msix_needed) | |
802 | { | |
803 | int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker); | |
804 | u16 pf_total_msix_vectors = | |
805 | pf->hw.func_caps.common_cap.num_msix_vectors; | |
806 | struct ice_res_tracker *res = pf->irq_tracker; | |
807 | int sriov_base_vector; | |
808 | ||
809 | if (max_valid_res_idx < 0) | |
810 | return max_valid_res_idx; | |
811 | ||
812 | sriov_base_vector = pf_total_msix_vectors - num_msix_needed; | |
813 | ||
814 | /* make sure we only grab irq_tracker entries from the list end and | |
815 | * that we have enough available MSIX vectors | |
816 | */ | |
817 | if (sriov_base_vector <= max_valid_res_idx) | |
818 | return -EINVAL; | |
819 | ||
820 | pf->sriov_base_vector = sriov_base_vector; | |
821 | ||
822 | /* dip into irq_tracker entries and update used resources */ | |
823 | if (num_msix_needed > (pf_total_msix_vectors - res->num_entries)) { | |
824 | pf->num_avail_sw_msix -= | |
825 | res->num_entries - pf->sriov_base_vector; | |
826 | res->end = pf->sriov_base_vector; | |
827 | } | |
828 | ||
829 | return 0; | |
830 | } | |
831 | ||
ddf30f7f AV |
832 | /** |
833 | * ice_check_avail_res - check if vectors and queues are available | |
834 | * @pf: pointer to the PF structure | |
835 | * | |
836 | * This function is where we calculate actual number of resources for VF VSIs, | |
837 | * we don't reserve ahead of time during probe. Returns success if vectors and | |
838 | * queues resources are available, otherwise returns error code | |
839 | */ | |
840 | static int ice_check_avail_res(struct ice_pf *pf) | |
841 | { | |
cbe66bfe BC |
842 | int max_valid_res_idx = ice_get_max_valid_res_idx(pf->irq_tracker); |
843 | u16 num_msix, num_txq, num_rxq, num_avail_msix; | |
4015d11e | 844 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f | 845 | |
cbe66bfe | 846 | if (!pf->num_alloc_vfs || max_valid_res_idx < 0) |
ddf30f7f AV |
847 | return -EINVAL; |
848 | ||
cbe66bfe BC |
849 | /* add 1 to max_valid_res_idx to account for it being 0-based */ |
850 | num_avail_msix = pf->hw.func_caps.common_cap.num_msix_vectors - | |
851 | (max_valid_res_idx + 1); | |
852 | ||
ddf30f7f AV |
853 | /* Grab from HW interrupts common pool |
854 | * Note: By the time the user decides it needs more vectors in a VF | |
855 | * its already too late since one must decide this prior to creating the | |
856 | * VF interface. So the best we can do is take a guess as to what the | |
857 | * user might want. | |
858 | * | |
859 | * We have two policies for vector allocation: | |
860 | * 1. if num_alloc_vfs is from 1 to 16, then we consider this as small | |
861 | * number of NFV VFs used for NFV appliances, since this is a special | |
862 | * case, we try to assign maximum vectors per VF (65) as much as | |
863 | * possible, based on determine_resources algorithm. | |
864 | * 2. if num_alloc_vfs is from 17 to 256, then its large number of | |
865 | * regular VFs which are not used for any special purpose. Hence try to | |
866 | * grab default interrupt vectors (5 as supported by AVF driver). | |
867 | */ | |
868 | if (pf->num_alloc_vfs <= 16) { | |
cbe66bfe | 869 | num_msix = ice_determine_res(pf, num_avail_msix, |
ddf30f7f AV |
870 | ICE_MAX_INTR_PER_VF, |
871 | ICE_MIN_INTR_PER_VF); | |
872 | } else if (pf->num_alloc_vfs <= ICE_MAX_VF_COUNT) { | |
cbe66bfe | 873 | num_msix = ice_determine_res(pf, num_avail_msix, |
ddf30f7f AV |
874 | ICE_DFLT_INTR_PER_VF, |
875 | ICE_MIN_INTR_PER_VF); | |
876 | } else { | |
4015d11e | 877 | dev_err(dev, "Number of VFs %d exceeds max VF count %d\n", |
ddf30f7f AV |
878 | pf->num_alloc_vfs, ICE_MAX_VF_COUNT); |
879 | return -EIO; | |
880 | } | |
881 | ||
882 | if (!num_msix) | |
883 | return -EIO; | |
884 | ||
885 | /* Grab from the common pool | |
886 | * start by requesting Default queues (4 as supported by AVF driver), | |
887 | * Note that, the main difference between queues and vectors is, latter | |
888 | * can only be reserved at init time but queues can be requested by VF | |
889 | * at runtime through Virtchnl, that is the reason we start by reserving | |
890 | * few queues. | |
891 | */ | |
8c243700 AV |
892 | num_txq = ice_determine_res(pf, ice_get_avail_txq_count(pf), |
893 | ICE_DFLT_QS_PER_VF, ICE_MIN_QS_PER_VF); | |
ddf30f7f | 894 | |
8c243700 AV |
895 | num_rxq = ice_determine_res(pf, ice_get_avail_rxq_count(pf), |
896 | ICE_DFLT_QS_PER_VF, ICE_MIN_QS_PER_VF); | |
ddf30f7f AV |
897 | |
898 | if (!num_txq || !num_rxq) | |
899 | return -EIO; | |
900 | ||
cbe66bfe BC |
901 | if (ice_sriov_set_msix_res(pf, num_msix * pf->num_alloc_vfs)) |
902 | return -EINVAL; | |
903 | ||
ddf30f7f AV |
904 | /* since AVF driver works with only queue pairs which means, it expects |
905 | * to have equal number of Rx and Tx queues, so take the minimum of | |
906 | * available Tx or Rx queues | |
907 | */ | |
908 | pf->num_vf_qps = min_t(int, num_txq, num_rxq); | |
909 | pf->num_vf_msix = num_msix; | |
910 | ||
911 | return 0; | |
912 | } | |
913 | ||
914 | /** | |
915 | * ice_cleanup_and_realloc_vf - Clean up VF and reallocate resources after reset | |
916 | * @vf: pointer to the VF structure | |
917 | * | |
918 | * Cleanup a VF after the hardware reset is finished. Expects the caller to | |
919 | * have verified whether the reset is finished properly, and ensure the | |
920 | * minimum amount of wait time has passed. Reallocate VF resources back to make | |
921 | * VF state active | |
922 | */ | |
923 | static void ice_cleanup_and_realloc_vf(struct ice_vf *vf) | |
924 | { | |
925 | struct ice_pf *pf = vf->pf; | |
926 | struct ice_hw *hw; | |
927 | u32 reg; | |
928 | ||
929 | hw = &pf->hw; | |
930 | ||
931 | /* PF software completes the flow by notifying VF that reset flow is | |
932 | * completed. This is done by enabling hardware by clearing the reset | |
933 | * bit in the VPGEN_VFRTRIG reg and setting VFR_STATE in the VFGEN_RSTAT | |
934 | * register to VFR completed (done at the end of this function) | |
935 | * By doing this we allow HW to access VF memory at any point. If we | |
936 | * did it any sooner, HW could access memory while it was being freed | |
937 | * in ice_free_vf_res(), causing an IOMMU fault. | |
938 | * | |
939 | * On the other hand, this needs to be done ASAP, because the VF driver | |
940 | * is waiting for this to happen and may report a timeout. It's | |
941 | * harmless, but it gets logged into Guest OS kernel log, so best avoid | |
942 | * it. | |
943 | */ | |
944 | reg = rd32(hw, VPGEN_VFRTRIG(vf->vf_id)); | |
945 | reg &= ~VPGEN_VFRTRIG_VFSWR_M; | |
946 | wr32(hw, VPGEN_VFRTRIG(vf->vf_id), reg); | |
947 | ||
948 | /* reallocate VF resources to finish resetting the VSI state */ | |
949 | if (!ice_alloc_vf_res(vf)) { | |
950 | ice_ena_vf_mappings(vf); | |
951 | set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); | |
952 | clear_bit(ICE_VF_STATE_DIS, vf->vf_states); | |
ddf30f7f AV |
953 | } |
954 | ||
955 | /* Tell the VF driver the reset is done. This needs to be done only | |
956 | * after VF has been fully initialized, because the VF driver may | |
957 | * request resources immediately after setting this flag. | |
958 | */ | |
959 | wr32(hw, VFGEN_RSTAT(vf->vf_id), VIRTCHNL_VFR_VFACTIVE); | |
960 | } | |
961 | ||
5eda8afd AA |
962 | /** |
963 | * ice_vf_set_vsi_promisc - set given VF VSI to given promiscuous mode(s) | |
964 | * @vf: pointer to the VF info | |
965 | * @vsi: the VSI being configured | |
966 | * @promisc_m: mask of promiscuous config bits | |
967 | * @rm_promisc: promisc flag request from the VF to remove or add filter | |
968 | * | |
969 | * This function configures VF VSI promiscuous mode, based on the VF requests, | |
970 | * for Unicast, Multicast and VLAN | |
971 | */ | |
972 | static enum ice_status | |
973 | ice_vf_set_vsi_promisc(struct ice_vf *vf, struct ice_vsi *vsi, u8 promisc_m, | |
974 | bool rm_promisc) | |
975 | { | |
976 | struct ice_pf *pf = vf->pf; | |
977 | enum ice_status status = 0; | |
978 | struct ice_hw *hw; | |
979 | ||
980 | hw = &pf->hw; | |
cd6d6b83 | 981 | if (vsi->num_vlan) { |
5eda8afd AA |
982 | status = ice_set_vlan_vsi_promisc(hw, vsi->idx, promisc_m, |
983 | rm_promisc); | |
b093841f | 984 | } else if (vf->port_vlan_info) { |
5eda8afd AA |
985 | if (rm_promisc) |
986 | status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m, | |
b093841f | 987 | vf->port_vlan_info); |
5eda8afd AA |
988 | else |
989 | status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m, | |
b093841f | 990 | vf->port_vlan_info); |
5eda8afd AA |
991 | } else { |
992 | if (rm_promisc) | |
993 | status = ice_clear_vsi_promisc(hw, vsi->idx, promisc_m, | |
994 | 0); | |
995 | else | |
996 | status = ice_set_vsi_promisc(hw, vsi->idx, promisc_m, | |
997 | 0); | |
998 | } | |
999 | ||
1000 | return status; | |
1001 | } | |
1002 | ||
d82dd83d AA |
1003 | /** |
1004 | * ice_config_res_vfs - Finalize allocation of VFs resources in one go | |
1005 | * @pf: pointer to the PF structure | |
1006 | * | |
1007 | * This function is being called as last part of resetting all VFs, or when | |
1008 | * configuring VFs for the first time, where there is no resource to be freed | |
1009 | * Returns true if resources were properly allocated for all VFs, and false | |
1010 | * otherwise. | |
1011 | */ | |
1012 | static bool ice_config_res_vfs(struct ice_pf *pf) | |
1013 | { | |
4015d11e | 1014 | struct device *dev = ice_pf_to_dev(pf); |
d82dd83d AA |
1015 | struct ice_hw *hw = &pf->hw; |
1016 | int v; | |
1017 | ||
1018 | if (ice_check_avail_res(pf)) { | |
4015d11e | 1019 | dev_err(dev, "Cannot allocate VF resources, try with fewer number of VFs\n"); |
d82dd83d AA |
1020 | return false; |
1021 | } | |
1022 | ||
1023 | /* rearm global interrupts */ | |
1024 | if (test_and_clear_bit(__ICE_OICR_INTR_DIS, pf->state)) | |
1025 | ice_irq_dynamic_ena(hw, NULL, NULL); | |
1026 | ||
1027 | /* Finish resetting each VF and allocate resources */ | |
005881bc | 1028 | ice_for_each_vf(pf, v) { |
d82dd83d AA |
1029 | struct ice_vf *vf = &pf->vf[v]; |
1030 | ||
1031 | vf->num_vf_qs = pf->num_vf_qps; | |
4015d11e BC |
1032 | dev_dbg(dev, "VF-id %d has %d queues configured\n", vf->vf_id, |
1033 | vf->num_vf_qs); | |
d82dd83d AA |
1034 | ice_cleanup_and_realloc_vf(vf); |
1035 | } | |
1036 | ||
1037 | ice_flush(hw); | |
1038 | clear_bit(__ICE_VF_DIS, pf->state); | |
1039 | ||
1040 | return true; | |
1041 | } | |
1042 | ||
ddf30f7f AV |
1043 | /** |
1044 | * ice_reset_all_vfs - reset all allocated VFs in one go | |
1045 | * @pf: pointer to the PF structure | |
1046 | * @is_vflr: true if VFLR was issued, false if not | |
1047 | * | |
1048 | * First, tell the hardware to reset each VF, then do all the waiting in one | |
1049 | * chunk, and finally finish restoring each VF after the wait. This is useful | |
1050 | * during PF routines which need to reset all VFs, as otherwise it must perform | |
1051 | * these resets in a serialized fashion. | |
1052 | * | |
1053 | * Returns true if any VFs were reset, and false otherwise. | |
1054 | */ | |
1055 | bool ice_reset_all_vfs(struct ice_pf *pf, bool is_vflr) | |
1056 | { | |
4015d11e | 1057 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f | 1058 | struct ice_hw *hw = &pf->hw; |
42b2cc83 | 1059 | struct ice_vf *vf; |
ddf30f7f AV |
1060 | int v, i; |
1061 | ||
1062 | /* If we don't have any VFs, then there is nothing to reset */ | |
1063 | if (!pf->num_alloc_vfs) | |
1064 | return false; | |
1065 | ||
1066 | /* If VFs have been disabled, there is no need to reset */ | |
1067 | if (test_and_set_bit(__ICE_VF_DIS, pf->state)) | |
1068 | return false; | |
1069 | ||
1070 | /* Begin reset on all VFs at once */ | |
005881bc | 1071 | ice_for_each_vf(pf, v) |
29d42f1f | 1072 | ice_trigger_vf_reset(&pf->vf[v], is_vflr, true); |
ddf30f7f | 1073 | |
005881bc | 1074 | ice_for_each_vf(pf, v) { |
06914ac2 MW |
1075 | struct ice_vsi *vsi; |
1076 | ||
1077 | vf = &pf->vf[v]; | |
1078 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
1079 | if (test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) | |
1080 | ice_dis_vf_qs(vf); | |
1081 | ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL, | |
1082 | NULL, ICE_VF_RESET, vf->vf_id, NULL); | |
1083 | } | |
ddf30f7f AV |
1084 | |
1085 | /* HW requires some time to make sure it can flush the FIFO for a VF | |
1086 | * when it resets it. Poll the VPGEN_VFRSTAT register for each VF in | |
1087 | * sequence to make sure that it has completed. We'll keep track of | |
1088 | * the VFs using a simple iterator that increments once that VF has | |
1089 | * finished resetting. | |
1090 | */ | |
1091 | for (i = 0, v = 0; i < 10 && v < pf->num_alloc_vfs; i++) { | |
ddf30f7f AV |
1092 | /* Check each VF in sequence */ |
1093 | while (v < pf->num_alloc_vfs) { | |
ddf30f7f AV |
1094 | u32 reg; |
1095 | ||
42b2cc83 | 1096 | vf = &pf->vf[v]; |
ddf30f7f | 1097 | reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_id)); |
60d628ea BC |
1098 | if (!(reg & VPGEN_VFRSTAT_VFRD_M)) { |
1099 | /* only delay if the check failed */ | |
1100 | usleep_range(10, 20); | |
ddf30f7f | 1101 | break; |
60d628ea | 1102 | } |
ddf30f7f AV |
1103 | |
1104 | /* If the current VF has finished resetting, move on | |
1105 | * to the next VF in sequence. | |
1106 | */ | |
1107 | v++; | |
1108 | } | |
1109 | } | |
1110 | ||
1111 | /* Display a warning if at least one VF didn't manage to reset in | |
1112 | * time, but continue on with the operation. | |
1113 | */ | |
1114 | if (v < pf->num_alloc_vfs) | |
4015d11e | 1115 | dev_warn(dev, "VF reset check timeout\n"); |
ddf30f7f AV |
1116 | |
1117 | /* free VF resources to begin resetting the VSI state */ | |
005881bc | 1118 | ice_for_each_vf(pf, v) { |
5743020d AA |
1119 | vf = &pf->vf[v]; |
1120 | ||
1121 | ice_free_vf_res(vf); | |
1122 | ||
1123 | /* Free VF queues as well, and reallocate later. | |
1124 | * If a given VF has different number of queues | |
1125 | * configured, the request for update will come | |
1126 | * via mailbox communication. | |
1127 | */ | |
1128 | vf->num_vf_qs = 0; | |
1129 | } | |
ddf30f7f | 1130 | |
cbe66bfe | 1131 | if (ice_sriov_free_msix_res(pf)) |
4015d11e | 1132 | dev_err(dev, "Failed to free MSIX resources used by SR-IOV\n"); |
cbe66bfe | 1133 | |
d82dd83d | 1134 | if (!ice_config_res_vfs(pf)) |
ddf30f7f | 1135 | return false; |
ddf30f7f AV |
1136 | |
1137 | return true; | |
1138 | } | |
1139 | ||
ec4f5a43 AA |
1140 | /** |
1141 | * ice_is_vf_disabled | |
1142 | * @vf: pointer to the VF info | |
1143 | * | |
1144 | * Returns true if the PF or VF is disabled, false otherwise. | |
1145 | */ | |
1146 | static bool ice_is_vf_disabled(struct ice_vf *vf) | |
1147 | { | |
1148 | struct ice_pf *pf = vf->pf; | |
1149 | ||
1150 | /* If the PF has been disabled, there is no need resetting VF until | |
1151 | * PF is active again. Similarly, if the VF has been disabled, this | |
1152 | * means something else is resetting the VF, so we shouldn't continue. | |
1153 | * Otherwise, set disable VF state bit for actual reset, and continue. | |
1154 | */ | |
1155 | return (test_bit(__ICE_VF_DIS, pf->state) || | |
1156 | test_bit(ICE_VF_STATE_DIS, vf->vf_states)); | |
1157 | } | |
1158 | ||
007676b4 AV |
1159 | /** |
1160 | * ice_reset_vf - Reset a particular VF | |
1161 | * @vf: pointer to the VF structure | |
1162 | * @is_vflr: true if VFLR was issued, false if not | |
1163 | * | |
1164 | * Returns true if the VF is reset, false otherwise. | |
1165 | */ | |
1166 | static bool ice_reset_vf(struct ice_vf *vf, bool is_vflr) | |
1167 | { | |
1168 | struct ice_pf *pf = vf->pf; | |
03f7a986 | 1169 | struct ice_vsi *vsi; |
4015d11e | 1170 | struct device *dev; |
5eda8afd | 1171 | struct ice_hw *hw; |
007676b4 | 1172 | bool rsd = false; |
5eda8afd | 1173 | u8 promisc_m; |
007676b4 AV |
1174 | u32 reg; |
1175 | int i; | |
1176 | ||
4015d11e BC |
1177 | dev = ice_pf_to_dev(pf); |
1178 | ||
ec4f5a43 | 1179 | if (ice_is_vf_disabled(vf)) { |
4015d11e BC |
1180 | dev_dbg(dev, "VF is already disabled, there is no need for resetting it, telling VM, all is fine %d\n", |
1181 | vf->vf_id); | |
ec4f5a43 AA |
1182 | return true; |
1183 | } | |
cb6a8dc0 | 1184 | |
ec4f5a43 AA |
1185 | /* Set VF disable bit state here, before triggering reset */ |
1186 | set_bit(ICE_VF_STATE_DIS, vf->vf_states); | |
29d42f1f | 1187 | ice_trigger_vf_reset(vf, is_vflr, false); |
007676b4 | 1188 | |
03f7a986 AV |
1189 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1190 | ||
77ca27c4 PG |
1191 | if (test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) |
1192 | ice_dis_vf_qs(vf); | |
06914ac2 MW |
1193 | |
1194 | /* Call Disable LAN Tx queue AQ whether or not queues are | |
1195 | * enabled. This is needed for successful completion of VFR. | |
1196 | */ | |
1197 | ice_dis_vsi_txq(vsi->port_info, vsi->idx, 0, 0, NULL, NULL, | |
1198 | NULL, ICE_VF_RESET, vf->vf_id, NULL); | |
007676b4 | 1199 | |
5eda8afd | 1200 | hw = &pf->hw; |
007676b4 AV |
1201 | /* poll VPGEN_VFRSTAT reg to make sure |
1202 | * that reset is complete | |
1203 | */ | |
1204 | for (i = 0; i < 10; i++) { | |
1205 | /* VF reset requires driver to first reset the VF and then | |
1206 | * poll the status register to make sure that the reset | |
1207 | * completed successfully. | |
1208 | */ | |
007676b4 AV |
1209 | reg = rd32(hw, VPGEN_VFRSTAT(vf->vf_id)); |
1210 | if (reg & VPGEN_VFRSTAT_VFRD_M) { | |
1211 | rsd = true; | |
1212 | break; | |
1213 | } | |
60d628ea BC |
1214 | |
1215 | /* only sleep if the reset is not done */ | |
1216 | usleep_range(10, 20); | |
007676b4 AV |
1217 | } |
1218 | ||
1219 | /* Display a warning if VF didn't manage to reset in time, but need to | |
1220 | * continue on with the operation. | |
1221 | */ | |
1222 | if (!rsd) | |
4015d11e | 1223 | dev_warn(dev, "VF reset check timeout on VF %d\n", vf->vf_id); |
007676b4 | 1224 | |
5eda8afd AA |
1225 | /* disable promiscuous modes in case they were enabled |
1226 | * ignore any error if disabling process failed | |
1227 | */ | |
1228 | if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) || | |
1229 | test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) { | |
b093841f | 1230 | if (vf->port_vlan_info || vsi->num_vlan) |
5eda8afd AA |
1231 | promisc_m = ICE_UCAST_VLAN_PROMISC_BITS; |
1232 | else | |
1233 | promisc_m = ICE_UCAST_PROMISC_BITS; | |
1234 | ||
1235 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
1236 | if (ice_vf_set_vsi_promisc(vf, vsi, promisc_m, true)) | |
4015d11e | 1237 | dev_err(dev, "disabling promiscuous mode failed\n"); |
5eda8afd AA |
1238 | } |
1239 | ||
007676b4 AV |
1240 | /* free VF resources to begin resetting the VSI state */ |
1241 | ice_free_vf_res(vf); | |
1242 | ||
1243 | ice_cleanup_and_realloc_vf(vf); | |
1244 | ||
1245 | ice_flush(hw); | |
007676b4 AV |
1246 | |
1247 | return true; | |
1248 | } | |
1249 | ||
53b8decb AV |
1250 | /** |
1251 | * ice_vc_notify_link_state - Inform all VFs on a PF of link status | |
1252 | * @pf: pointer to the PF structure | |
1253 | */ | |
1254 | void ice_vc_notify_link_state(struct ice_pf *pf) | |
1255 | { | |
1256 | int i; | |
1257 | ||
005881bc | 1258 | ice_for_each_vf(pf, i) |
53b8decb AV |
1259 | ice_vc_notify_vf_link_state(&pf->vf[i]); |
1260 | } | |
1261 | ||
007676b4 AV |
1262 | /** |
1263 | * ice_vc_notify_reset - Send pending reset message to all VFs | |
1264 | * @pf: pointer to the PF structure | |
1265 | * | |
1266 | * indicate a pending reset to all VFs on a given PF | |
1267 | */ | |
1268 | void ice_vc_notify_reset(struct ice_pf *pf) | |
1269 | { | |
1270 | struct virtchnl_pf_event pfe; | |
1271 | ||
1272 | if (!pf->num_alloc_vfs) | |
1273 | return; | |
1274 | ||
1275 | pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; | |
1276 | pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; | |
cf6c6e01 | 1277 | ice_vc_vf_broadcast(pf, VIRTCHNL_OP_EVENT, VIRTCHNL_STATUS_SUCCESS, |
007676b4 AV |
1278 | (u8 *)&pfe, sizeof(struct virtchnl_pf_event)); |
1279 | } | |
1280 | ||
7c710869 AV |
1281 | /** |
1282 | * ice_vc_notify_vf_reset - Notify VF of a reset event | |
1283 | * @vf: pointer to the VF structure | |
1284 | */ | |
1285 | static void ice_vc_notify_vf_reset(struct ice_vf *vf) | |
1286 | { | |
1287 | struct virtchnl_pf_event pfe; | |
4c66d227 | 1288 | struct ice_pf *pf; |
7c710869 | 1289 | |
4c66d227 JB |
1290 | if (!vf) |
1291 | return; | |
1292 | ||
1293 | pf = vf->pf; | |
1294 | if (ice_validate_vf_id(pf, vf->vf_id)) | |
7c710869 AV |
1295 | return; |
1296 | ||
1f9639d2 AA |
1297 | /* Bail out if VF is in disabled state, neither initialized, nor active |
1298 | * state - otherwise proceed with notifications | |
1299 | */ | |
1300 | if ((!test_bit(ICE_VF_STATE_INIT, vf->vf_states) && | |
1301 | !test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) || | |
1302 | test_bit(ICE_VF_STATE_DIS, vf->vf_states)) | |
7c710869 AV |
1303 | return; |
1304 | ||
1305 | pfe.event = VIRTCHNL_EVENT_RESET_IMPENDING; | |
1306 | pfe.severity = PF_EVENT_SEVERITY_CERTAIN_DOOM; | |
4c66d227 | 1307 | ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, VIRTCHNL_OP_EVENT, |
cf6c6e01 MW |
1308 | VIRTCHNL_STATUS_SUCCESS, (u8 *)&pfe, sizeof(pfe), |
1309 | NULL); | |
7c710869 AV |
1310 | } |
1311 | ||
ddf30f7f AV |
1312 | /** |
1313 | * ice_alloc_vfs - Allocate and set up VFs resources | |
1314 | * @pf: pointer to the PF structure | |
1315 | * @num_alloc_vfs: number of VFs to allocate | |
1316 | */ | |
1317 | static int ice_alloc_vfs(struct ice_pf *pf, u16 num_alloc_vfs) | |
1318 | { | |
4015d11e | 1319 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f AV |
1320 | struct ice_hw *hw = &pf->hw; |
1321 | struct ice_vf *vfs; | |
1322 | int i, ret; | |
1323 | ||
1324 | /* Disable global interrupt 0 so we don't try to handle the VFLR. */ | |
cbe66bfe | 1325 | wr32(hw, GLINT_DYN_CTL(pf->oicr_idx), |
ddf30f7f | 1326 | ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S); |
d82dd83d | 1327 | set_bit(__ICE_OICR_INTR_DIS, pf->state); |
ddf30f7f AV |
1328 | ice_flush(hw); |
1329 | ||
1330 | ret = pci_enable_sriov(pf->pdev, num_alloc_vfs); | |
1331 | if (ret) { | |
1332 | pf->num_alloc_vfs = 0; | |
1333 | goto err_unroll_intr; | |
1334 | } | |
1335 | /* allocate memory */ | |
4015d11e | 1336 | vfs = devm_kcalloc(dev, num_alloc_vfs, sizeof(*vfs), GFP_KERNEL); |
ddf30f7f AV |
1337 | if (!vfs) { |
1338 | ret = -ENOMEM; | |
72f9c203 | 1339 | goto err_pci_disable_sriov; |
ddf30f7f AV |
1340 | } |
1341 | pf->vf = vfs; | |
005881bc | 1342 | pf->num_alloc_vfs = num_alloc_vfs; |
ddf30f7f AV |
1343 | |
1344 | /* apply default profile */ | |
005881bc | 1345 | ice_for_each_vf(pf, i) { |
ddf30f7f AV |
1346 | vfs[i].pf = pf; |
1347 | vfs[i].vf_sw_id = pf->first_sw; | |
1348 | vfs[i].vf_id = i; | |
1349 | ||
1350 | /* assign default capabilities */ | |
1351 | set_bit(ICE_VIRTCHNL_VF_CAP_L2, &vfs[i].vf_caps); | |
1352 | vfs[i].spoofchk = true; | |
ddf30f7f | 1353 | } |
ddf30f7f | 1354 | |
d82dd83d AA |
1355 | /* VF resources get allocated with initialization */ |
1356 | if (!ice_config_res_vfs(pf)) { | |
72f9c203 | 1357 | ret = -EIO; |
ddf30f7f | 1358 | goto err_unroll_sriov; |
72f9c203 | 1359 | } |
ddf30f7f | 1360 | |
d82dd83d | 1361 | return ret; |
ddf30f7f AV |
1362 | |
1363 | err_unroll_sriov: | |
72f9c203 | 1364 | pf->vf = NULL; |
4015d11e | 1365 | devm_kfree(dev, vfs); |
72f9c203 BC |
1366 | vfs = NULL; |
1367 | pf->num_alloc_vfs = 0; | |
1368 | err_pci_disable_sriov: | |
ddf30f7f AV |
1369 | pci_disable_sriov(pf->pdev); |
1370 | err_unroll_intr: | |
1371 | /* rearm interrupts here */ | |
1372 | ice_irq_dynamic_ena(hw, NULL, NULL); | |
d82dd83d | 1373 | clear_bit(__ICE_OICR_INTR_DIS, pf->state); |
ddf30f7f AV |
1374 | return ret; |
1375 | } | |
1376 | ||
1377 | /** | |
2f2da36e AV |
1378 | * ice_pf_state_is_nominal - checks the PF for nominal state |
1379 | * @pf: pointer to PF to check | |
ddf30f7f AV |
1380 | * |
1381 | * Check the PF's state for a collection of bits that would indicate | |
1382 | * the PF is in a state that would inhibit normal operation for | |
1383 | * driver functionality. | |
1384 | * | |
1385 | * Returns true if PF is in a nominal state. | |
1386 | * Returns false otherwise | |
1387 | */ | |
1388 | static bool ice_pf_state_is_nominal(struct ice_pf *pf) | |
1389 | { | |
1390 | DECLARE_BITMAP(check_bits, __ICE_STATE_NBITS) = { 0 }; | |
1391 | ||
1392 | if (!pf) | |
1393 | return false; | |
1394 | ||
1395 | bitmap_set(check_bits, 0, __ICE_STATE_NOMINAL_CHECK_BITS); | |
1396 | if (bitmap_intersects(pf->state, check_bits, __ICE_STATE_NBITS)) | |
1397 | return false; | |
1398 | ||
1399 | return true; | |
1400 | } | |
1401 | ||
1402 | /** | |
1403 | * ice_pci_sriov_ena - Enable or change number of VFs | |
1404 | * @pf: pointer to the PF structure | |
1405 | * @num_vfs: number of VFs to allocate | |
1406 | */ | |
1407 | static int ice_pci_sriov_ena(struct ice_pf *pf, int num_vfs) | |
1408 | { | |
1409 | int pre_existing_vfs = pci_num_vf(pf->pdev); | |
4015d11e | 1410 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f AV |
1411 | int err; |
1412 | ||
1413 | if (!ice_pf_state_is_nominal(pf)) { | |
1414 | dev_err(dev, "Cannot enable SR-IOV, device not ready\n"); | |
1415 | return -EBUSY; | |
1416 | } | |
1417 | ||
1418 | if (!test_bit(ICE_FLAG_SRIOV_CAPABLE, pf->flags)) { | |
1419 | dev_err(dev, "This device is not capable of SR-IOV\n"); | |
039c60c5 | 1420 | return -EOPNOTSUPP; |
ddf30f7f AV |
1421 | } |
1422 | ||
1423 | if (pre_existing_vfs && pre_existing_vfs != num_vfs) | |
1424 | ice_free_vfs(pf); | |
1425 | else if (pre_existing_vfs && pre_existing_vfs == num_vfs) | |
1426 | return num_vfs; | |
1427 | ||
1428 | if (num_vfs > pf->num_vfs_supported) { | |
1429 | dev_err(dev, "Can't enable %d VFs, max VFs supported is %d\n", | |
1430 | num_vfs, pf->num_vfs_supported); | |
1431 | return -ENOTSUPP; | |
1432 | } | |
1433 | ||
1434 | dev_info(dev, "Allocating %d VFs\n", num_vfs); | |
1435 | err = ice_alloc_vfs(pf, num_vfs); | |
1436 | if (err) { | |
1437 | dev_err(dev, "Failed to enable SR-IOV: %d\n", err); | |
1438 | return err; | |
1439 | } | |
1440 | ||
1441 | set_bit(ICE_FLAG_SRIOV_ENA, pf->flags); | |
1442 | return num_vfs; | |
1443 | } | |
1444 | ||
1445 | /** | |
1446 | * ice_sriov_configure - Enable or change number of VFs via sysfs | |
1447 | * @pdev: pointer to a pci_dev structure | |
1448 | * @num_vfs: number of VFs to allocate | |
1449 | * | |
1450 | * This function is called when the user updates the number of VFs in sysfs. | |
1451 | */ | |
1452 | int ice_sriov_configure(struct pci_dev *pdev, int num_vfs) | |
1453 | { | |
1454 | struct ice_pf *pf = pci_get_drvdata(pdev); | |
4015d11e | 1455 | struct device *dev = ice_pf_to_dev(pf); |
ddf30f7f | 1456 | |
462acf6a | 1457 | if (ice_is_safe_mode(pf)) { |
4015d11e | 1458 | dev_err(dev, "SR-IOV cannot be configured - Device is in Safe Mode\n"); |
462acf6a TN |
1459 | return -EOPNOTSUPP; |
1460 | } | |
1461 | ||
ddf30f7f AV |
1462 | if (num_vfs) |
1463 | return ice_pci_sriov_ena(pf, num_vfs); | |
1464 | ||
1465 | if (!pci_vfs_assigned(pdev)) { | |
1466 | ice_free_vfs(pf); | |
1467 | } else { | |
4015d11e | 1468 | dev_err(dev, "can't free VFs because some are assigned to VMs.\n"); |
ddf30f7f AV |
1469 | return -EBUSY; |
1470 | } | |
1471 | ||
1472 | return 0; | |
1473 | } | |
007676b4 AV |
1474 | |
1475 | /** | |
1476 | * ice_process_vflr_event - Free VF resources via IRQ calls | |
1477 | * @pf: pointer to the PF structure | |
1478 | * | |
df17b7e0 | 1479 | * called from the VFLR IRQ handler to |
007676b4 AV |
1480 | * free up VF resources and state variables |
1481 | */ | |
1482 | void ice_process_vflr_event(struct ice_pf *pf) | |
1483 | { | |
1484 | struct ice_hw *hw = &pf->hw; | |
1485 | int vf_id; | |
1486 | u32 reg; | |
1487 | ||
8d7189d2 | 1488 | if (!test_and_clear_bit(__ICE_VFLR_EVENT_PENDING, pf->state) || |
007676b4 AV |
1489 | !pf->num_alloc_vfs) |
1490 | return; | |
1491 | ||
005881bc | 1492 | ice_for_each_vf(pf, vf_id) { |
007676b4 AV |
1493 | struct ice_vf *vf = &pf->vf[vf_id]; |
1494 | u32 reg_idx, bit_idx; | |
1495 | ||
1496 | reg_idx = (hw->func_caps.vf_base_id + vf_id) / 32; | |
1497 | bit_idx = (hw->func_caps.vf_base_id + vf_id) % 32; | |
1498 | /* read GLGEN_VFLRSTAT register to find out the flr VFs */ | |
1499 | reg = rd32(hw, GLGEN_VFLRSTAT(reg_idx)); | |
1500 | if (reg & BIT(bit_idx)) | |
1501 | /* GLGEN_VFLRSTAT bit will be cleared in ice_reset_vf */ | |
1502 | ice_reset_vf(vf, true); | |
1503 | } | |
1504 | } | |
7c710869 AV |
1505 | |
1506 | /** | |
ff010eca | 1507 | * ice_vc_reset_vf - Perform software reset on the VF after informing the AVF |
7c710869 | 1508 | * @vf: pointer to the VF info |
7c710869 | 1509 | */ |
ff010eca | 1510 | static void ice_vc_reset_vf(struct ice_vf *vf) |
7c710869 AV |
1511 | { |
1512 | ice_vc_notify_vf_reset(vf); | |
1513 | ice_reset_vf(vf, false); | |
1514 | } | |
1515 | ||
1071a835 AV |
1516 | /** |
1517 | * ice_vc_send_msg_to_vf - Send message to VF | |
1518 | * @vf: pointer to the VF info | |
1519 | * @v_opcode: virtual channel opcode | |
1520 | * @v_retval: virtual channel return value | |
1521 | * @msg: pointer to the msg buffer | |
1522 | * @msglen: msg length | |
1523 | * | |
1524 | * send msg to VF | |
1525 | */ | |
c8b7abdd | 1526 | static int |
cf6c6e01 MW |
1527 | ice_vc_send_msg_to_vf(struct ice_vf *vf, u32 v_opcode, |
1528 | enum virtchnl_status_code v_retval, u8 *msg, u16 msglen) | |
1071a835 AV |
1529 | { |
1530 | enum ice_status aq_ret; | |
4015d11e | 1531 | struct device *dev; |
1071a835 AV |
1532 | struct ice_pf *pf; |
1533 | ||
4c66d227 | 1534 | if (!vf) |
1071a835 AV |
1535 | return -EINVAL; |
1536 | ||
1537 | pf = vf->pf; | |
4c66d227 JB |
1538 | if (ice_validate_vf_id(pf, vf->vf_id)) |
1539 | return -EINVAL; | |
1071a835 | 1540 | |
4015d11e BC |
1541 | dev = ice_pf_to_dev(pf); |
1542 | ||
1071a835 AV |
1543 | /* single place to detect unsuccessful return values */ |
1544 | if (v_retval) { | |
1545 | vf->num_inval_msgs++; | |
4015d11e BC |
1546 | dev_info(dev, "VF %d failed opcode %d, retval: %d\n", vf->vf_id, |
1547 | v_opcode, v_retval); | |
1071a835 | 1548 | if (vf->num_inval_msgs > ICE_DFLT_NUM_INVAL_MSGS_ALLOWED) { |
19cce2c6 | 1549 | dev_err(dev, "Number of invalid messages exceeded for VF %d\n", |
1071a835 | 1550 | vf->vf_id); |
4015d11e | 1551 | dev_err(dev, "Use PF Control I/F to enable the VF\n"); |
1071a835 AV |
1552 | set_bit(ICE_VF_STATE_DIS, vf->vf_states); |
1553 | return -EIO; | |
1554 | } | |
1555 | } else { | |
1556 | vf->num_valid_msgs++; | |
1557 | /* reset the invalid counter, if a valid message is received. */ | |
1558 | vf->num_inval_msgs = 0; | |
1559 | } | |
1560 | ||
1561 | aq_ret = ice_aq_send_msg_to_vf(&pf->hw, vf->vf_id, v_opcode, v_retval, | |
1562 | msg, msglen, NULL); | |
90e47737 | 1563 | if (aq_ret && pf->hw.mailboxq.sq_last_status != ICE_AQ_RC_ENOSYS) { |
19cce2c6 | 1564 | dev_info(dev, "Unable to send the message to VF %d ret %d aq_err %d\n", |
90e47737 | 1565 | vf->vf_id, aq_ret, pf->hw.mailboxq.sq_last_status); |
1071a835 AV |
1566 | return -EIO; |
1567 | } | |
1568 | ||
1569 | return 0; | |
1570 | } | |
1571 | ||
1572 | /** | |
1573 | * ice_vc_get_ver_msg | |
1574 | * @vf: pointer to the VF info | |
1575 | * @msg: pointer to the msg buffer | |
1576 | * | |
1577 | * called from the VF to request the API version used by the PF | |
1578 | */ | |
1579 | static int ice_vc_get_ver_msg(struct ice_vf *vf, u8 *msg) | |
1580 | { | |
1581 | struct virtchnl_version_info info = { | |
1582 | VIRTCHNL_VERSION_MAJOR, VIRTCHNL_VERSION_MINOR | |
1583 | }; | |
1584 | ||
1585 | vf->vf_ver = *(struct virtchnl_version_info *)msg; | |
1586 | /* VFs running the 1.0 API expect to get 1.0 back or they will cry. */ | |
1587 | if (VF_IS_V10(&vf->vf_ver)) | |
1588 | info.minor = VIRTCHNL_VERSION_MINOR_NO_VF_CAPS; | |
1589 | ||
cf6c6e01 MW |
1590 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_VERSION, |
1591 | VIRTCHNL_STATUS_SUCCESS, (u8 *)&info, | |
1071a835 AV |
1592 | sizeof(struct virtchnl_version_info)); |
1593 | } | |
1594 | ||
1595 | /** | |
1596 | * ice_vc_get_vf_res_msg | |
1597 | * @vf: pointer to the VF info | |
1598 | * @msg: pointer to the msg buffer | |
1599 | * | |
1600 | * called from the VF to request its resources | |
1601 | */ | |
1602 | static int ice_vc_get_vf_res_msg(struct ice_vf *vf, u8 *msg) | |
1603 | { | |
cf6c6e01 | 1604 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 | 1605 | struct virtchnl_vf_resource *vfres = NULL; |
1071a835 AV |
1606 | struct ice_pf *pf = vf->pf; |
1607 | struct ice_vsi *vsi; | |
1608 | int len = 0; | |
1609 | int ret; | |
1610 | ||
4c66d227 | 1611 | if (ice_check_vf_init(pf, vf)) { |
cf6c6e01 | 1612 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1613 | goto err; |
1614 | } | |
1615 | ||
1616 | len = sizeof(struct virtchnl_vf_resource); | |
1617 | ||
9efe35d0 | 1618 | vfres = kzalloc(len, GFP_KERNEL); |
1071a835 | 1619 | if (!vfres) { |
cf6c6e01 | 1620 | v_ret = VIRTCHNL_STATUS_ERR_NO_MEMORY; |
1071a835 AV |
1621 | len = 0; |
1622 | goto err; | |
1623 | } | |
1624 | if (VF_IS_V11(&vf->vf_ver)) | |
1625 | vf->driver_caps = *(u32 *)msg; | |
1626 | else | |
1627 | vf->driver_caps = VIRTCHNL_VF_OFFLOAD_L2 | | |
1628 | VIRTCHNL_VF_OFFLOAD_RSS_REG | | |
1629 | VIRTCHNL_VF_OFFLOAD_VLAN; | |
1630 | ||
1631 | vfres->vf_cap_flags = VIRTCHNL_VF_OFFLOAD_L2; | |
1632 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
f1ef73f5 | 1633 | if (!vsi) { |
cf6c6e01 | 1634 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
f1ef73f5 AA |
1635 | goto err; |
1636 | } | |
1637 | ||
1071a835 AV |
1638 | if (!vsi->info.pvid) |
1639 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_VLAN; | |
1640 | ||
1641 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PF) { | |
1642 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PF; | |
1643 | } else { | |
1644 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_AQ) | |
1645 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_AQ; | |
1646 | else | |
1647 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_REG; | |
1648 | } | |
1649 | ||
1650 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2) | |
1651 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RSS_PCTYPE_V2; | |
1652 | ||
1653 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP) | |
1654 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP; | |
1655 | ||
1656 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM) | |
1657 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_ENCAP_CSUM; | |
1658 | ||
1659 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_RX_POLLING) | |
1660 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_RX_POLLING; | |
1661 | ||
1662 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) | |
1663 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_WB_ON_ITR; | |
1664 | ||
1665 | if (vf->driver_caps & VIRTCHNL_VF_OFFLOAD_REQ_QUEUES) | |
1666 | vfres->vf_cap_flags |= VIRTCHNL_VF_OFFLOAD_REQ_QUEUES; | |
1667 | ||
1668 | if (vf->driver_caps & VIRTCHNL_VF_CAP_ADV_LINK_SPEED) | |
1669 | vfres->vf_cap_flags |= VIRTCHNL_VF_CAP_ADV_LINK_SPEED; | |
1670 | ||
1671 | vfres->num_vsis = 1; | |
1672 | /* Tx and Rx queue are equal for VF */ | |
1673 | vfres->num_queue_pairs = vsi->num_txq; | |
1674 | vfres->max_vectors = pf->num_vf_msix; | |
1675 | vfres->rss_key_size = ICE_VSIQF_HKEY_ARRAY_SIZE; | |
1676 | vfres->rss_lut_size = ICE_VSIQF_HLUT_ARRAY_SIZE; | |
1677 | ||
1678 | vfres->vsi_res[0].vsi_id = vf->lan_vsi_num; | |
1679 | vfres->vsi_res[0].vsi_type = VIRTCHNL_VSI_SRIOV; | |
1680 | vfres->vsi_res[0].num_queue_pairs = vsi->num_txq; | |
1681 | ether_addr_copy(vfres->vsi_res[0].default_mac_addr, | |
1682 | vf->dflt_lan_addr.addr); | |
1683 | ||
d4bc4e2d BC |
1684 | /* match guest capabilities */ |
1685 | vf->driver_caps = vfres->vf_cap_flags; | |
1686 | ||
1071a835 AV |
1687 | set_bit(ICE_VF_STATE_ACTIVE, vf->vf_states); |
1688 | ||
1689 | err: | |
1690 | /* send the response back to the VF */ | |
cf6c6e01 | 1691 | ret = ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_VF_RESOURCES, v_ret, |
1071a835 AV |
1692 | (u8 *)vfres, len); |
1693 | ||
9efe35d0 | 1694 | kfree(vfres); |
1071a835 AV |
1695 | return ret; |
1696 | } | |
1697 | ||
1698 | /** | |
1699 | * ice_vc_reset_vf_msg | |
1700 | * @vf: pointer to the VF info | |
1701 | * | |
1702 | * called from the VF to reset itself, | |
1703 | * unlike other virtchnl messages, PF driver | |
1704 | * doesn't send the response back to the VF | |
1705 | */ | |
1706 | static void ice_vc_reset_vf_msg(struct ice_vf *vf) | |
1707 | { | |
1708 | if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) | |
1709 | ice_reset_vf(vf, false); | |
1710 | } | |
1711 | ||
1712 | /** | |
1713 | * ice_find_vsi_from_id | |
2f2da36e | 1714 | * @pf: the PF structure to search for the VSI |
f9867df6 | 1715 | * @id: ID of the VSI it is searching for |
1071a835 | 1716 | * |
f9867df6 | 1717 | * searches for the VSI with the given ID |
1071a835 AV |
1718 | */ |
1719 | static struct ice_vsi *ice_find_vsi_from_id(struct ice_pf *pf, u16 id) | |
1720 | { | |
1721 | int i; | |
1722 | ||
80ed404a | 1723 | ice_for_each_vsi(pf, i) |
1071a835 AV |
1724 | if (pf->vsi[i] && pf->vsi[i]->vsi_num == id) |
1725 | return pf->vsi[i]; | |
1726 | ||
1727 | return NULL; | |
1728 | } | |
1729 | ||
1730 | /** | |
1731 | * ice_vc_isvalid_vsi_id | |
1732 | * @vf: pointer to the VF info | |
f9867df6 | 1733 | * @vsi_id: VF relative VSI ID |
1071a835 | 1734 | * |
f9867df6 | 1735 | * check for the valid VSI ID |
1071a835 AV |
1736 | */ |
1737 | static bool ice_vc_isvalid_vsi_id(struct ice_vf *vf, u16 vsi_id) | |
1738 | { | |
1739 | struct ice_pf *pf = vf->pf; | |
1740 | struct ice_vsi *vsi; | |
1741 | ||
1742 | vsi = ice_find_vsi_from_id(pf, vsi_id); | |
1743 | ||
1744 | return (vsi && (vsi->vf_id == vf->vf_id)); | |
1745 | } | |
1746 | ||
1747 | /** | |
1748 | * ice_vc_isvalid_q_id | |
1749 | * @vf: pointer to the VF info | |
f9867df6 AV |
1750 | * @vsi_id: VSI ID |
1751 | * @qid: VSI relative queue ID | |
1071a835 | 1752 | * |
f9867df6 | 1753 | * check for the valid queue ID |
1071a835 AV |
1754 | */ |
1755 | static bool ice_vc_isvalid_q_id(struct ice_vf *vf, u16 vsi_id, u8 qid) | |
1756 | { | |
1757 | struct ice_vsi *vsi = ice_find_vsi_from_id(vf->pf, vsi_id); | |
1758 | /* allocated Tx and Rx queues should be always equal for VF VSI */ | |
1759 | return (vsi && (qid < vsi->alloc_txq)); | |
1760 | } | |
1761 | ||
9c7dd756 MS |
1762 | /** |
1763 | * ice_vc_isvalid_ring_len | |
1764 | * @ring_len: length of ring | |
1765 | * | |
1766 | * check for the valid ring count, should be multiple of ICE_REQ_DESC_MULTIPLE | |
77ca27c4 | 1767 | * or zero |
9c7dd756 MS |
1768 | */ |
1769 | static bool ice_vc_isvalid_ring_len(u16 ring_len) | |
1770 | { | |
77ca27c4 PG |
1771 | return ring_len == 0 || |
1772 | (ring_len >= ICE_MIN_NUM_DESC && | |
9c7dd756 MS |
1773 | ring_len <= ICE_MAX_NUM_DESC && |
1774 | !(ring_len % ICE_REQ_DESC_MULTIPLE)); | |
1775 | } | |
1776 | ||
1071a835 AV |
1777 | /** |
1778 | * ice_vc_config_rss_key | |
1779 | * @vf: pointer to the VF info | |
1780 | * @msg: pointer to the msg buffer | |
1781 | * | |
1782 | * Configure the VF's RSS key | |
1783 | */ | |
1784 | static int ice_vc_config_rss_key(struct ice_vf *vf, u8 *msg) | |
1785 | { | |
cf6c6e01 | 1786 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
1787 | struct virtchnl_rss_key *vrk = |
1788 | (struct virtchnl_rss_key *)msg; | |
f1ef73f5 | 1789 | struct ice_pf *pf = vf->pf; |
4c66d227 | 1790 | struct ice_vsi *vsi; |
1071a835 AV |
1791 | |
1792 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 1793 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1794 | goto error_param; |
1795 | } | |
1796 | ||
1797 | if (!ice_vc_isvalid_vsi_id(vf, vrk->vsi_id)) { | |
cf6c6e01 | 1798 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1799 | goto error_param; |
1800 | } | |
1801 | ||
3f416961 | 1802 | if (vrk->key_len != ICE_VSIQF_HKEY_ARRAY_SIZE) { |
cf6c6e01 | 1803 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1804 | goto error_param; |
1805 | } | |
1806 | ||
3f416961 | 1807 | if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
cf6c6e01 | 1808 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1809 | goto error_param; |
1810 | } | |
1811 | ||
3f416961 A |
1812 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1813 | if (!vsi) { | |
cf6c6e01 | 1814 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1815 | goto error_param; |
1816 | } | |
1817 | ||
cf6c6e01 MW |
1818 | if (ice_set_rss(vsi, vrk->key, NULL, 0)) |
1819 | v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; | |
1071a835 | 1820 | error_param: |
cf6c6e01 | 1821 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_KEY, v_ret, |
1071a835 AV |
1822 | NULL, 0); |
1823 | } | |
1824 | ||
1825 | /** | |
1826 | * ice_vc_config_rss_lut | |
1827 | * @vf: pointer to the VF info | |
1828 | * @msg: pointer to the msg buffer | |
1829 | * | |
1830 | * Configure the VF's RSS LUT | |
1831 | */ | |
1832 | static int ice_vc_config_rss_lut(struct ice_vf *vf, u8 *msg) | |
1833 | { | |
1834 | struct virtchnl_rss_lut *vrl = (struct virtchnl_rss_lut *)msg; | |
cf6c6e01 | 1835 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
f1ef73f5 | 1836 | struct ice_pf *pf = vf->pf; |
4c66d227 | 1837 | struct ice_vsi *vsi; |
1071a835 AV |
1838 | |
1839 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 1840 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1841 | goto error_param; |
1842 | } | |
1843 | ||
1844 | if (!ice_vc_isvalid_vsi_id(vf, vrl->vsi_id)) { | |
cf6c6e01 | 1845 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1846 | goto error_param; |
1847 | } | |
1848 | ||
3f416961 | 1849 | if (vrl->lut_entries != ICE_VSIQF_HLUT_ARRAY_SIZE) { |
cf6c6e01 | 1850 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1851 | goto error_param; |
1852 | } | |
1853 | ||
3f416961 | 1854 | if (!test_bit(ICE_FLAG_RSS_ENA, vf->pf->flags)) { |
cf6c6e01 | 1855 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1856 | goto error_param; |
1857 | } | |
1858 | ||
3f416961 A |
1859 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1860 | if (!vsi) { | |
cf6c6e01 | 1861 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1862 | goto error_param; |
1863 | } | |
1864 | ||
cf6c6e01 MW |
1865 | if (ice_set_rss(vsi, NULL, vrl->lut, ICE_VSIQF_HLUT_ARRAY_SIZE)) |
1866 | v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; | |
1071a835 | 1867 | error_param: |
cf6c6e01 | 1868 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_RSS_LUT, v_ret, |
1071a835 AV |
1869 | NULL, 0); |
1870 | } | |
1871 | ||
cd6d6b83 BC |
1872 | /** |
1873 | * ice_set_vf_spoofchk | |
1874 | * @netdev: network interface device structure | |
1875 | * @vf_id: VF identifier | |
1876 | * @ena: flag to enable or disable feature | |
1877 | * | |
1878 | * Enable or disable VF spoof checking | |
1879 | */ | |
1880 | int ice_set_vf_spoofchk(struct net_device *netdev, int vf_id, bool ena) | |
1881 | { | |
1882 | struct ice_netdev_priv *np = netdev_priv(netdev); | |
1883 | struct ice_pf *pf = np->vsi->back; | |
1884 | struct ice_vsi_ctx *ctx; | |
1885 | struct ice_vsi *vf_vsi; | |
1886 | enum ice_status status; | |
1887 | struct device *dev; | |
1888 | struct ice_vf *vf; | |
1889 | int ret = 0; | |
1890 | ||
1891 | dev = ice_pf_to_dev(pf); | |
1892 | if (ice_validate_vf_id(pf, vf_id)) | |
1893 | return -EINVAL; | |
1894 | ||
1895 | vf = &pf->vf[vf_id]; | |
1896 | ||
1897 | if (ice_check_vf_init(pf, vf)) | |
1898 | return -EBUSY; | |
1899 | ||
1900 | vf_vsi = pf->vsi[vf->lan_vsi_idx]; | |
1901 | if (!vf_vsi) { | |
1902 | netdev_err(netdev, "VSI %d for VF %d is null\n", | |
1903 | vf->lan_vsi_idx, vf->vf_id); | |
1904 | return -EINVAL; | |
1905 | } | |
1906 | ||
1907 | if (vf_vsi->type != ICE_VSI_VF) { | |
19cce2c6 | 1908 | netdev_err(netdev, "Type %d of VSI %d for VF %d is no ICE_VSI_VF\n", |
cd6d6b83 BC |
1909 | vf_vsi->type, vf_vsi->vsi_num, vf->vf_id); |
1910 | return -ENODEV; | |
1911 | } | |
1912 | ||
1913 | if (ena == vf->spoofchk) { | |
1914 | dev_dbg(dev, "VF spoofchk already %s\n", ena ? "ON" : "OFF"); | |
1915 | return 0; | |
1916 | } | |
1917 | ||
1918 | ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); | |
1919 | if (!ctx) | |
1920 | return -ENOMEM; | |
1921 | ||
1922 | ctx->info.sec_flags = vf_vsi->info.sec_flags; | |
1923 | ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID); | |
1924 | if (ena) { | |
1925 | ctx->info.sec_flags |= | |
1926 | ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | | |
1927 | (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << | |
1928 | ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); | |
1929 | } else { | |
1930 | ctx->info.sec_flags &= | |
1931 | ~(ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF | | |
1932 | (ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << | |
1933 | ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S)); | |
1934 | } | |
1935 | ||
1936 | status = ice_update_vsi(&pf->hw, vf_vsi->idx, ctx, NULL); | |
1937 | if (status) { | |
19cce2c6 | 1938 | dev_err(dev, "Failed to %sable spoofchk on VF %d VSI %d\n error %d", |
cd6d6b83 BC |
1939 | ena ? "en" : "dis", vf->vf_id, vf_vsi->vsi_num, status); |
1940 | ret = -EIO; | |
1941 | goto out; | |
1942 | } | |
1943 | ||
1944 | /* only update spoofchk state and VSI context on success */ | |
1945 | vf_vsi->info.sec_flags = ctx->info.sec_flags; | |
1946 | vf->spoofchk = ena; | |
1947 | ||
1948 | out: | |
1949 | kfree(ctx); | |
1950 | return ret; | |
1951 | } | |
1952 | ||
1071a835 AV |
1953 | /** |
1954 | * ice_vc_get_stats_msg | |
1955 | * @vf: pointer to the VF info | |
1956 | * @msg: pointer to the msg buffer | |
1957 | * | |
1958 | * called from the VF to get VSI stats | |
1959 | */ | |
1960 | static int ice_vc_get_stats_msg(struct ice_vf *vf, u8 *msg) | |
1961 | { | |
cf6c6e01 | 1962 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
1963 | struct virtchnl_queue_select *vqs = |
1964 | (struct virtchnl_queue_select *)msg; | |
949375de | 1965 | struct ice_eth_stats stats = { 0 }; |
f1ef73f5 | 1966 | struct ice_pf *pf = vf->pf; |
1071a835 AV |
1967 | struct ice_vsi *vsi; |
1968 | ||
1969 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 1970 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1971 | goto error_param; |
1972 | } | |
1973 | ||
1974 | if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
cf6c6e01 | 1975 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1976 | goto error_param; |
1977 | } | |
1978 | ||
f1ef73f5 | 1979 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1071a835 | 1980 | if (!vsi) { |
cf6c6e01 | 1981 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
1982 | goto error_param; |
1983 | } | |
1984 | ||
1071a835 AV |
1985 | ice_update_eth_stats(vsi); |
1986 | ||
1987 | stats = vsi->eth_stats; | |
1988 | ||
1989 | error_param: | |
1990 | /* send the response to the VF */ | |
cf6c6e01 | 1991 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_GET_STATS, v_ret, |
1071a835 AV |
1992 | (u8 *)&stats, sizeof(stats)); |
1993 | } | |
1994 | ||
1995 | /** | |
1996 | * ice_vc_ena_qs_msg | |
1997 | * @vf: pointer to the VF info | |
1998 | * @msg: pointer to the msg buffer | |
1999 | * | |
2000 | * called from the VF to enable all or specific queue(s) | |
2001 | */ | |
2002 | static int ice_vc_ena_qs_msg(struct ice_vf *vf, u8 *msg) | |
2003 | { | |
cf6c6e01 | 2004 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2005 | struct virtchnl_queue_select *vqs = |
2006 | (struct virtchnl_queue_select *)msg; | |
f1ef73f5 | 2007 | struct ice_pf *pf = vf->pf; |
1071a835 | 2008 | struct ice_vsi *vsi; |
77ca27c4 PG |
2009 | unsigned long q_map; |
2010 | u16 vf_q_id; | |
1071a835 AV |
2011 | |
2012 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 2013 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2014 | goto error_param; |
2015 | } | |
2016 | ||
2017 | if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
cf6c6e01 | 2018 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2019 | goto error_param; |
2020 | } | |
2021 | ||
2022 | if (!vqs->rx_queues && !vqs->tx_queues) { | |
cf6c6e01 | 2023 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2024 | goto error_param; |
2025 | } | |
2026 | ||
3f416961 A |
2027 | if (vqs->rx_queues > ICE_MAX_BASE_QS_PER_VF || |
2028 | vqs->tx_queues > ICE_MAX_BASE_QS_PER_VF) { | |
2029 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2030 | goto error_param; | |
2031 | } | |
2032 | ||
f1ef73f5 | 2033 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1071a835 | 2034 | if (!vsi) { |
cf6c6e01 | 2035 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2036 | goto error_param; |
2037 | } | |
2038 | ||
2039 | /* Enable only Rx rings, Tx rings were enabled by the FW when the | |
2040 | * Tx queue group list was configured and the context bits were | |
2041 | * programmed using ice_vsi_cfg_txqs | |
2042 | */ | |
77ca27c4 PG |
2043 | q_map = vqs->rx_queues; |
2044 | for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) { | |
2045 | if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { | |
2046 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2047 | goto error_param; | |
2048 | } | |
2049 | ||
2050 | /* Skip queue if enabled */ | |
2051 | if (test_bit(vf_q_id, vf->rxq_ena)) | |
2052 | continue; | |
2053 | ||
13a6233b | 2054 | if (ice_vsi_ctrl_one_rx_ring(vsi, true, vf_q_id, true)) { |
19cce2c6 | 2055 | dev_err(ice_pf_to_dev(vsi->back), "Failed to enable Rx ring %d on VSI %d\n", |
77ca27c4 PG |
2056 | vf_q_id, vsi->vsi_num); |
2057 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2058 | goto error_param; | |
2059 | } | |
2060 | ||
2061 | set_bit(vf_q_id, vf->rxq_ena); | |
2062 | vf->num_qs_ena++; | |
2063 | } | |
2064 | ||
2065 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
2066 | q_map = vqs->tx_queues; | |
2067 | for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) { | |
2068 | if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { | |
2069 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2070 | goto error_param; | |
2071 | } | |
2072 | ||
2073 | /* Skip queue if enabled */ | |
2074 | if (test_bit(vf_q_id, vf->txq_ena)) | |
2075 | continue; | |
2076 | ||
2077 | set_bit(vf_q_id, vf->txq_ena); | |
2078 | vf->num_qs_ena++; | |
2079 | } | |
1071a835 AV |
2080 | |
2081 | /* Set flag to indicate that queues are enabled */ | |
cf6c6e01 | 2082 | if (v_ret == VIRTCHNL_STATUS_SUCCESS) |
77ca27c4 | 2083 | set_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); |
1071a835 AV |
2084 | |
2085 | error_param: | |
2086 | /* send the response to the VF */ | |
cf6c6e01 | 2087 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_QUEUES, v_ret, |
1071a835 AV |
2088 | NULL, 0); |
2089 | } | |
2090 | ||
2091 | /** | |
2092 | * ice_vc_dis_qs_msg | |
2093 | * @vf: pointer to the VF info | |
2094 | * @msg: pointer to the msg buffer | |
2095 | * | |
2096 | * called from the VF to disable all or specific | |
2097 | * queue(s) | |
2098 | */ | |
2099 | static int ice_vc_dis_qs_msg(struct ice_vf *vf, u8 *msg) | |
2100 | { | |
cf6c6e01 | 2101 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2102 | struct virtchnl_queue_select *vqs = |
2103 | (struct virtchnl_queue_select *)msg; | |
f1ef73f5 | 2104 | struct ice_pf *pf = vf->pf; |
1071a835 | 2105 | struct ice_vsi *vsi; |
77ca27c4 PG |
2106 | unsigned long q_map; |
2107 | u16 vf_q_id; | |
1071a835 AV |
2108 | |
2109 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) && | |
77ca27c4 | 2110 | !test_bit(ICE_VF_STATE_QS_ENA, vf->vf_states)) { |
cf6c6e01 | 2111 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2112 | goto error_param; |
2113 | } | |
2114 | ||
2115 | if (!ice_vc_isvalid_vsi_id(vf, vqs->vsi_id)) { | |
cf6c6e01 | 2116 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2117 | goto error_param; |
2118 | } | |
2119 | ||
2120 | if (!vqs->rx_queues && !vqs->tx_queues) { | |
cf6c6e01 | 2121 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2122 | goto error_param; |
2123 | } | |
2124 | ||
3f416961 A |
2125 | if (vqs->rx_queues > ICE_MAX_BASE_QS_PER_VF || |
2126 | vqs->tx_queues > ICE_MAX_BASE_QS_PER_VF) { | |
2127 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2128 | goto error_param; | |
2129 | } | |
2130 | ||
f1ef73f5 | 2131 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1071a835 | 2132 | if (!vsi) { |
cf6c6e01 | 2133 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2134 | goto error_param; |
2135 | } | |
2136 | ||
77ca27c4 PG |
2137 | if (vqs->tx_queues) { |
2138 | q_map = vqs->tx_queues; | |
2139 | ||
2140 | for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) { | |
2141 | struct ice_ring *ring = vsi->tx_rings[vf_q_id]; | |
2142 | struct ice_txq_meta txq_meta = { 0 }; | |
2143 | ||
2144 | if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { | |
2145 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2146 | goto error_param; | |
2147 | } | |
2148 | ||
2149 | /* Skip queue if not enabled */ | |
2150 | if (!test_bit(vf_q_id, vf->txq_ena)) | |
2151 | continue; | |
2152 | ||
2153 | ice_fill_txq_meta(vsi, ring, &txq_meta); | |
2154 | ||
2155 | if (ice_vsi_stop_tx_ring(vsi, ICE_NO_RESET, vf->vf_id, | |
2156 | ring, &txq_meta)) { | |
19cce2c6 | 2157 | dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Tx ring %d on VSI %d\n", |
77ca27c4 PG |
2158 | vf_q_id, vsi->vsi_num); |
2159 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2160 | goto error_param; | |
2161 | } | |
2162 | ||
2163 | /* Clear enabled queues flag */ | |
2164 | clear_bit(vf_q_id, vf->txq_ena); | |
2165 | vf->num_qs_ena--; | |
2166 | } | |
1071a835 AV |
2167 | } |
2168 | ||
77ca27c4 PG |
2169 | if (vqs->rx_queues) { |
2170 | q_map = vqs->rx_queues; | |
2171 | ||
2172 | for_each_set_bit(vf_q_id, &q_map, ICE_MAX_BASE_QS_PER_VF) { | |
2173 | if (!ice_vc_isvalid_q_id(vf, vqs->vsi_id, vf_q_id)) { | |
2174 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2175 | goto error_param; | |
2176 | } | |
2177 | ||
2178 | /* Skip queue if not enabled */ | |
2179 | if (!test_bit(vf_q_id, vf->rxq_ena)) | |
2180 | continue; | |
2181 | ||
13a6233b BC |
2182 | if (ice_vsi_ctrl_one_rx_ring(vsi, false, vf_q_id, |
2183 | true)) { | |
19cce2c6 | 2184 | dev_err(ice_pf_to_dev(vsi->back), "Failed to stop Rx ring %d on VSI %d\n", |
77ca27c4 PG |
2185 | vf_q_id, vsi->vsi_num); |
2186 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2187 | goto error_param; | |
2188 | } | |
2189 | ||
2190 | /* Clear enabled queues flag */ | |
2191 | clear_bit(vf_q_id, vf->rxq_ena); | |
2192 | vf->num_qs_ena--; | |
2193 | } | |
1071a835 AV |
2194 | } |
2195 | ||
2196 | /* Clear enabled queues flag */ | |
77ca27c4 PG |
2197 | if (v_ret == VIRTCHNL_STATUS_SUCCESS && !vf->num_qs_ena) |
2198 | clear_bit(ICE_VF_STATE_QS_ENA, vf->vf_states); | |
1071a835 AV |
2199 | |
2200 | error_param: | |
2201 | /* send the response to the VF */ | |
cf6c6e01 | 2202 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_QUEUES, v_ret, |
1071a835 AV |
2203 | NULL, 0); |
2204 | } | |
2205 | ||
2206 | /** | |
2207 | * ice_vc_cfg_irq_map_msg | |
2208 | * @vf: pointer to the VF info | |
2209 | * @msg: pointer to the msg buffer | |
2210 | * | |
2211 | * called from the VF to configure the IRQ to queue map | |
2212 | */ | |
2213 | static int ice_vc_cfg_irq_map_msg(struct ice_vf *vf, u8 *msg) | |
2214 | { | |
cf6c6e01 | 2215 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
173e23c0 | 2216 | struct virtchnl_irq_map_info *irqmap_info; |
1071a835 AV |
2217 | u16 vsi_id, vsi_q_id, vector_id; |
2218 | struct virtchnl_vector_map *map; | |
1071a835 | 2219 | struct ice_pf *pf = vf->pf; |
047e52c0 | 2220 | u16 num_q_vectors_mapped; |
173e23c0 | 2221 | struct ice_vsi *vsi; |
1071a835 AV |
2222 | unsigned long qmap; |
2223 | int i; | |
2224 | ||
173e23c0 | 2225 | irqmap_info = (struct virtchnl_irq_map_info *)msg; |
047e52c0 AV |
2226 | num_q_vectors_mapped = irqmap_info->num_vectors; |
2227 | ||
047e52c0 AV |
2228 | /* Check to make sure number of VF vectors mapped is not greater than |
2229 | * number of VF vectors originally allocated, and check that | |
2230 | * there is actually at least a single VF queue vector mapped | |
2231 | */ | |
ba0db585 | 2232 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || |
047e52c0 AV |
2233 | pf->num_vf_msix < num_q_vectors_mapped || |
2234 | !irqmap_info->num_vectors) { | |
cf6c6e01 | 2235 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2236 | goto error_param; |
2237 | } | |
2238 | ||
3f416961 A |
2239 | vsi = pf->vsi[vf->lan_vsi_idx]; |
2240 | if (!vsi) { | |
2241 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2242 | goto error_param; | |
2243 | } | |
2244 | ||
047e52c0 AV |
2245 | for (i = 0; i < num_q_vectors_mapped; i++) { |
2246 | struct ice_q_vector *q_vector; | |
ba0db585 | 2247 | |
1071a835 AV |
2248 | map = &irqmap_info->vecmap[i]; |
2249 | ||
2250 | vector_id = map->vector_id; | |
2251 | vsi_id = map->vsi_id; | |
b791cdd5 BC |
2252 | /* vector_id is always 0-based for each VF, and can never be |
2253 | * larger than or equal to the max allowed interrupts per VF | |
2254 | */ | |
2255 | if (!(vector_id < ICE_MAX_INTR_PER_VF) || | |
2256 | !ice_vc_isvalid_vsi_id(vf, vsi_id) || | |
047e52c0 AV |
2257 | (!vector_id && (map->rxq_map || map->txq_map))) { |
2258 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2259 | goto error_param; | |
2260 | } | |
2261 | ||
2262 | /* No need to map VF miscellaneous or rogue vector */ | |
2263 | if (!vector_id) | |
2264 | continue; | |
2265 | ||
2266 | /* Subtract non queue vector from vector_id passed by VF | |
2267 | * to get actual number of VSI queue vector array index | |
2268 | */ | |
2269 | q_vector = vsi->q_vectors[vector_id - ICE_NONQ_VECS_VF]; | |
2270 | if (!q_vector) { | |
cf6c6e01 | 2271 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2272 | goto error_param; |
2273 | } | |
2274 | ||
1071a835 AV |
2275 | /* lookout for the invalid queue index */ |
2276 | qmap = map->rxq_map; | |
ba0db585 | 2277 | q_vector->num_ring_rx = 0; |
1071a835 AV |
2278 | for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) { |
2279 | if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) { | |
cf6c6e01 | 2280 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2281 | goto error_param; |
2282 | } | |
d2b464a7 BC |
2283 | q_vector->num_ring_rx++; |
2284 | q_vector->rx.itr_idx = map->rxitr_idx; | |
2285 | vsi->rx_rings[vsi_q_id]->q_vector = q_vector; | |
047e52c0 AV |
2286 | ice_cfg_rxq_interrupt(vsi, vsi_q_id, vector_id, |
2287 | q_vector->rx.itr_idx); | |
1071a835 AV |
2288 | } |
2289 | ||
2290 | qmap = map->txq_map; | |
ba0db585 | 2291 | q_vector->num_ring_tx = 0; |
1071a835 AV |
2292 | for_each_set_bit(vsi_q_id, &qmap, ICE_MAX_BASE_QS_PER_VF) { |
2293 | if (!ice_vc_isvalid_q_id(vf, vsi_id, vsi_q_id)) { | |
cf6c6e01 | 2294 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2295 | goto error_param; |
2296 | } | |
d2b464a7 BC |
2297 | q_vector->num_ring_tx++; |
2298 | q_vector->tx.itr_idx = map->txitr_idx; | |
2299 | vsi->tx_rings[vsi_q_id]->q_vector = q_vector; | |
047e52c0 AV |
2300 | ice_cfg_txq_interrupt(vsi, vsi_q_id, vector_id, |
2301 | q_vector->tx.itr_idx); | |
1071a835 AV |
2302 | } |
2303 | } | |
2304 | ||
1071a835 AV |
2305 | error_param: |
2306 | /* send the response to the VF */ | |
cf6c6e01 | 2307 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_IRQ_MAP, v_ret, |
1071a835 AV |
2308 | NULL, 0); |
2309 | } | |
2310 | ||
2311 | /** | |
2312 | * ice_vc_cfg_qs_msg | |
2313 | * @vf: pointer to the VF info | |
2314 | * @msg: pointer to the msg buffer | |
2315 | * | |
2316 | * called from the VF to configure the Rx/Tx queues | |
2317 | */ | |
2318 | static int ice_vc_cfg_qs_msg(struct ice_vf *vf, u8 *msg) | |
2319 | { | |
cf6c6e01 | 2320 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2321 | struct virtchnl_vsi_queue_config_info *qci = |
2322 | (struct virtchnl_vsi_queue_config_info *)msg; | |
2323 | struct virtchnl_queue_pair_info *qpi; | |
77ca27c4 | 2324 | u16 num_rxq = 0, num_txq = 0; |
5743020d | 2325 | struct ice_pf *pf = vf->pf; |
1071a835 AV |
2326 | struct ice_vsi *vsi; |
2327 | int i; | |
2328 | ||
2329 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 2330 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2331 | goto error_param; |
2332 | } | |
2333 | ||
2334 | if (!ice_vc_isvalid_vsi_id(vf, qci->vsi_id)) { | |
cf6c6e01 | 2335 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2336 | goto error_param; |
2337 | } | |
2338 | ||
9c7dd756 MS |
2339 | vsi = pf->vsi[vf->lan_vsi_idx]; |
2340 | if (!vsi) { | |
cf6c6e01 | 2341 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
5743020d AA |
2342 | goto error_param; |
2343 | } | |
2344 | ||
9c7dd756 MS |
2345 | if (qci->num_queue_pairs > ICE_MAX_BASE_QS_PER_VF || |
2346 | qci->num_queue_pairs > min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)) { | |
19cce2c6 | 2347 | dev_err(ice_pf_to_dev(pf), "VF-%d requesting more than supported number of queues: %d\n", |
9c7dd756 | 2348 | vf->vf_id, min_t(u16, vsi->alloc_txq, vsi->alloc_rxq)); |
3f416961 A |
2349 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
2350 | goto error_param; | |
2351 | } | |
2352 | ||
1071a835 AV |
2353 | for (i = 0; i < qci->num_queue_pairs; i++) { |
2354 | qpi = &qci->qpair[i]; | |
2355 | if (qpi->txq.vsi_id != qci->vsi_id || | |
2356 | qpi->rxq.vsi_id != qci->vsi_id || | |
2357 | qpi->rxq.queue_id != qpi->txq.queue_id || | |
f8af5bf5 | 2358 | qpi->txq.headwb_enabled || |
9c7dd756 MS |
2359 | !ice_vc_isvalid_ring_len(qpi->txq.ring_len) || |
2360 | !ice_vc_isvalid_ring_len(qpi->rxq.ring_len) || | |
1071a835 | 2361 | !ice_vc_isvalid_q_id(vf, qci->vsi_id, qpi->txq.queue_id)) { |
cf6c6e01 | 2362 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2363 | goto error_param; |
2364 | } | |
2365 | /* copy Tx queue info from VF into VSI */ | |
77ca27c4 PG |
2366 | if (qpi->txq.ring_len > 0) { |
2367 | num_txq++; | |
2368 | vsi->tx_rings[i]->dma = qpi->txq.dma_ring_addr; | |
2369 | vsi->tx_rings[i]->count = qpi->txq.ring_len; | |
1071a835 | 2370 | } |
77ca27c4 PG |
2371 | |
2372 | /* copy Rx queue info from VF into VSI */ | |
2373 | if (qpi->rxq.ring_len > 0) { | |
2374 | num_rxq++; | |
2375 | vsi->rx_rings[i]->dma = qpi->rxq.dma_ring_addr; | |
2376 | vsi->rx_rings[i]->count = qpi->rxq.ring_len; | |
2377 | ||
2378 | if (qpi->rxq.databuffer_size != 0 && | |
2379 | (qpi->rxq.databuffer_size > ((16 * 1024) - 128) || | |
2380 | qpi->rxq.databuffer_size < 1024)) { | |
2381 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2382 | goto error_param; | |
2383 | } | |
2384 | vsi->rx_buf_len = qpi->rxq.databuffer_size; | |
2385 | vsi->rx_rings[i]->rx_buf_len = vsi->rx_buf_len; | |
2386 | if (qpi->rxq.max_pkt_size >= (16 * 1024) || | |
2387 | qpi->rxq.max_pkt_size < 64) { | |
2388 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2389 | goto error_param; | |
2390 | } | |
1071a835 | 2391 | } |
77ca27c4 | 2392 | |
1071a835 AV |
2393 | vsi->max_frame = qpi->rxq.max_pkt_size; |
2394 | } | |
2395 | ||
2396 | /* VF can request to configure less than allocated queues | |
2397 | * or default allocated queues. So update the VSI with new number | |
2398 | */ | |
77ca27c4 PG |
2399 | vsi->num_txq = num_txq; |
2400 | vsi->num_rxq = num_rxq; | |
105e5bc2 | 2401 | /* All queues of VF VSI are in TC 0 */ |
77ca27c4 PG |
2402 | vsi->tc_cfg.tc_info[0].qcount_tx = num_txq; |
2403 | vsi->tc_cfg.tc_info[0].qcount_rx = num_rxq; | |
1071a835 | 2404 | |
cf6c6e01 MW |
2405 | if (ice_vsi_cfg_lan_txqs(vsi) || ice_vsi_cfg_rxqs(vsi)) |
2406 | v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; | |
1071a835 AV |
2407 | |
2408 | error_param: | |
2409 | /* send the response to the VF */ | |
cf6c6e01 | 2410 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_CONFIG_VSI_QUEUES, v_ret, |
1071a835 AV |
2411 | NULL, 0); |
2412 | } | |
2413 | ||
2414 | /** | |
2415 | * ice_is_vf_trusted | |
2416 | * @vf: pointer to the VF info | |
2417 | */ | |
2418 | static bool ice_is_vf_trusted(struct ice_vf *vf) | |
2419 | { | |
2420 | return test_bit(ICE_VIRTCHNL_VF_CAP_PRIVILEGE, &vf->vf_caps); | |
2421 | } | |
2422 | ||
2423 | /** | |
2424 | * ice_can_vf_change_mac | |
2425 | * @vf: pointer to the VF info | |
2426 | * | |
2427 | * Return true if the VF is allowed to change its MAC filters, false otherwise | |
2428 | */ | |
2429 | static bool ice_can_vf_change_mac(struct ice_vf *vf) | |
2430 | { | |
2431 | /* If the VF MAC address has been set administratively (via the | |
2432 | * ndo_set_vf_mac command), then deny permission to the VF to | |
2433 | * add/delete unicast MAC addresses, unless the VF is trusted | |
2434 | */ | |
2435 | if (vf->pf_set_mac && !ice_is_vf_trusted(vf)) | |
2436 | return false; | |
2437 | ||
2438 | return true; | |
2439 | } | |
2440 | ||
ed4c068d BC |
2441 | /** |
2442 | * ice_vc_add_mac_addr - attempt to add the MAC address passed in | |
2443 | * @vf: pointer to the VF info | |
2444 | * @vsi: pointer to the VF's VSI | |
2445 | * @mac_addr: MAC address to add | |
2446 | */ | |
2447 | static int | |
2448 | ice_vc_add_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, u8 *mac_addr) | |
2449 | { | |
2450 | struct device *dev = ice_pf_to_dev(vf->pf); | |
2451 | enum ice_status status; | |
2452 | ||
2453 | /* default unicast MAC already added */ | |
2454 | if (ether_addr_equal(mac_addr, vf->dflt_lan_addr.addr)) | |
2455 | return 0; | |
2456 | ||
2457 | if (is_unicast_ether_addr(mac_addr) && !ice_can_vf_change_mac(vf)) { | |
2458 | dev_err(dev, "VF attempting to override administratively set MAC address, bring down and up the VF interface to resume normal operation\n"); | |
2459 | return -EPERM; | |
2460 | } | |
2461 | ||
2462 | status = ice_vsi_cfg_mac_fltr(vsi, mac_addr, true); | |
2463 | if (status == ICE_ERR_ALREADY_EXISTS) { | |
2464 | dev_err(dev, "MAC %pM already exists for VF %d\n", mac_addr, | |
2465 | vf->vf_id); | |
2466 | return -EEXIST; | |
2467 | } else if (status) { | |
2468 | dev_err(dev, "Failed to add MAC %pM for VF %d\n, error %d\n", | |
2469 | mac_addr, vf->vf_id, status); | |
2470 | return -EIO; | |
2471 | } | |
2472 | ||
2473 | /* only set dflt_lan_addr once */ | |
2474 | if (is_zero_ether_addr(vf->dflt_lan_addr.addr) && | |
2475 | is_unicast_ether_addr(mac_addr)) | |
2476 | ether_addr_copy(vf->dflt_lan_addr.addr, mac_addr); | |
2477 | ||
2478 | vf->num_mac++; | |
2479 | ||
2480 | return 0; | |
2481 | } | |
2482 | ||
2483 | /** | |
2484 | * ice_vc_del_mac_addr - attempt to delete the MAC address passed in | |
2485 | * @vf: pointer to the VF info | |
2486 | * @vsi: pointer to the VF's VSI | |
2487 | * @mac_addr: MAC address to delete | |
2488 | */ | |
2489 | static int | |
2490 | ice_vc_del_mac_addr(struct ice_vf *vf, struct ice_vsi *vsi, u8 *mac_addr) | |
2491 | { | |
2492 | struct device *dev = ice_pf_to_dev(vf->pf); | |
2493 | enum ice_status status; | |
2494 | ||
2495 | if (!ice_can_vf_change_mac(vf) && | |
2496 | ether_addr_equal(mac_addr, vf->dflt_lan_addr.addr)) | |
2497 | return 0; | |
2498 | ||
2499 | status = ice_vsi_cfg_mac_fltr(vsi, mac_addr, false); | |
2500 | if (status == ICE_ERR_DOES_NOT_EXIST) { | |
2501 | dev_err(dev, "MAC %pM does not exist for VF %d\n", mac_addr, | |
2502 | vf->vf_id); | |
2503 | return -ENOENT; | |
2504 | } else if (status) { | |
2505 | dev_err(dev, "Failed to delete MAC %pM for VF %d, error %d\n", | |
2506 | mac_addr, vf->vf_id, status); | |
2507 | return -EIO; | |
2508 | } | |
2509 | ||
2510 | if (ether_addr_equal(mac_addr, vf->dflt_lan_addr.addr)) | |
2511 | eth_zero_addr(vf->dflt_lan_addr.addr); | |
2512 | ||
2513 | vf->num_mac--; | |
2514 | ||
2515 | return 0; | |
2516 | } | |
2517 | ||
1071a835 AV |
2518 | /** |
2519 | * ice_vc_handle_mac_addr_msg | |
2520 | * @vf: pointer to the VF info | |
2521 | * @msg: pointer to the msg buffer | |
f9867df6 | 2522 | * @set: true if MAC filters are being set, false otherwise |
1071a835 | 2523 | * |
df17b7e0 | 2524 | * add guest MAC address filter |
1071a835 AV |
2525 | */ |
2526 | static int | |
2527 | ice_vc_handle_mac_addr_msg(struct ice_vf *vf, u8 *msg, bool set) | |
2528 | { | |
ed4c068d BC |
2529 | int (*ice_vc_cfg_mac) |
2530 | (struct ice_vf *vf, struct ice_vsi *vsi, u8 *mac_addr); | |
cf6c6e01 | 2531 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2532 | struct virtchnl_ether_addr_list *al = |
2533 | (struct virtchnl_ether_addr_list *)msg; | |
2534 | struct ice_pf *pf = vf->pf; | |
2535 | enum virtchnl_ops vc_op; | |
1071a835 | 2536 | struct ice_vsi *vsi; |
1071a835 AV |
2537 | int i; |
2538 | ||
ed4c068d | 2539 | if (set) { |
1071a835 | 2540 | vc_op = VIRTCHNL_OP_ADD_ETH_ADDR; |
ed4c068d BC |
2541 | ice_vc_cfg_mac = ice_vc_add_mac_addr; |
2542 | } else { | |
1071a835 | 2543 | vc_op = VIRTCHNL_OP_DEL_ETH_ADDR; |
ed4c068d BC |
2544 | ice_vc_cfg_mac = ice_vc_del_mac_addr; |
2545 | } | |
1071a835 AV |
2546 | |
2547 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states) || | |
2548 | !ice_vc_isvalid_vsi_id(vf, al->vsi_id)) { | |
cf6c6e01 | 2549 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2550 | goto handle_mac_exit; |
2551 | } | |
2552 | ||
ed4c068d BC |
2553 | /* If this VF is not privileged, then we can't add more than a |
2554 | * limited number of addresses. Check to make sure that the | |
2555 | * additions do not push us over the limit. | |
2556 | */ | |
1071a835 AV |
2557 | if (set && !ice_is_vf_trusted(vf) && |
2558 | (vf->num_mac + al->num_elements) > ICE_MAX_MACADDR_PER_VF) { | |
19cce2c6 | 2559 | dev_err(ice_pf_to_dev(pf), "Can't add more MAC addresses, because VF-%d is not trusted, switch the VF to trusted mode in order to add more functionalities\n", |
d84b899a | 2560 | vf->vf_id); |
cf6c6e01 | 2561 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2562 | goto handle_mac_exit; |
2563 | } | |
2564 | ||
2565 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
f1ef73f5 | 2566 | if (!vsi) { |
cf6c6e01 | 2567 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
f1ef73f5 AA |
2568 | goto handle_mac_exit; |
2569 | } | |
1071a835 AV |
2570 | |
2571 | for (i = 0; i < al->num_elements; i++) { | |
ed4c068d BC |
2572 | u8 *mac_addr = al->list[i].addr; |
2573 | int result; | |
1071a835 | 2574 | |
ed4c068d BC |
2575 | if (is_broadcast_ether_addr(mac_addr) || |
2576 | is_zero_ether_addr(mac_addr)) | |
2577 | continue; | |
1071a835 | 2578 | |
ed4c068d BC |
2579 | result = ice_vc_cfg_mac(vf, vsi, mac_addr); |
2580 | if (result == -EEXIST || result == -ENOENT) { | |
2581 | continue; | |
2582 | } else if (result) { | |
2583 | v_ret = VIRTCHNL_STATUS_ERR_ADMIN_QUEUE_ERROR; | |
1071a835 AV |
2584 | goto handle_mac_exit; |
2585 | } | |
1071a835 AV |
2586 | } |
2587 | ||
1071a835 | 2588 | handle_mac_exit: |
1071a835 | 2589 | /* send the response to the VF */ |
cf6c6e01 | 2590 | return ice_vc_send_msg_to_vf(vf, vc_op, v_ret, NULL, 0); |
1071a835 AV |
2591 | } |
2592 | ||
2593 | /** | |
2594 | * ice_vc_add_mac_addr_msg | |
2595 | * @vf: pointer to the VF info | |
2596 | * @msg: pointer to the msg buffer | |
2597 | * | |
2598 | * add guest MAC address filter | |
2599 | */ | |
2600 | static int ice_vc_add_mac_addr_msg(struct ice_vf *vf, u8 *msg) | |
2601 | { | |
2602 | return ice_vc_handle_mac_addr_msg(vf, msg, true); | |
2603 | } | |
2604 | ||
2605 | /** | |
2606 | * ice_vc_del_mac_addr_msg | |
2607 | * @vf: pointer to the VF info | |
2608 | * @msg: pointer to the msg buffer | |
2609 | * | |
2610 | * remove guest MAC address filter | |
2611 | */ | |
2612 | static int ice_vc_del_mac_addr_msg(struct ice_vf *vf, u8 *msg) | |
2613 | { | |
2614 | return ice_vc_handle_mac_addr_msg(vf, msg, false); | |
2615 | } | |
2616 | ||
2617 | /** | |
2618 | * ice_vc_request_qs_msg | |
2619 | * @vf: pointer to the VF info | |
2620 | * @msg: pointer to the msg buffer | |
2621 | * | |
2622 | * VFs get a default number of queues but can use this message to request a | |
df17b7e0 | 2623 | * different number. If the request is successful, PF will reset the VF and |
1071a835 | 2624 | * return 0. If unsuccessful, PF will send message informing VF of number of |
f9867df6 | 2625 | * available queue pairs via virtchnl message response to VF. |
1071a835 AV |
2626 | */ |
2627 | static int ice_vc_request_qs_msg(struct ice_vf *vf, u8 *msg) | |
2628 | { | |
cf6c6e01 | 2629 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2630 | struct virtchnl_vf_res_request *vfres = |
2631 | (struct virtchnl_vf_res_request *)msg; | |
cbfe31b5 | 2632 | u16 req_queues = vfres->num_queue_pairs; |
1071a835 | 2633 | struct ice_pf *pf = vf->pf; |
cbfe31b5 PK |
2634 | u16 max_allowed_vf_queues; |
2635 | u16 tx_rx_queue_left; | |
4015d11e | 2636 | struct device *dev; |
4ee656bb | 2637 | u16 cur_queues; |
1071a835 | 2638 | |
4015d11e | 2639 | dev = ice_pf_to_dev(pf); |
1071a835 | 2640 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
cf6c6e01 | 2641 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2642 | goto error_param; |
2643 | } | |
2644 | ||
5743020d | 2645 | cur_queues = vf->num_vf_qs; |
8c243700 AV |
2646 | tx_rx_queue_left = min_t(u16, ice_get_avail_txq_count(pf), |
2647 | ice_get_avail_rxq_count(pf)); | |
5743020d | 2648 | max_allowed_vf_queues = tx_rx_queue_left + cur_queues; |
cbfe31b5 | 2649 | if (!req_queues) { |
4015d11e | 2650 | dev_err(dev, "VF %d tried to request 0 queues. Ignoring.\n", |
cbfe31b5 | 2651 | vf->vf_id); |
5743020d | 2652 | } else if (req_queues > ICE_MAX_BASE_QS_PER_VF) { |
4015d11e | 2653 | dev_err(dev, "VF %d tried to request more than %d queues.\n", |
5743020d AA |
2654 | vf->vf_id, ICE_MAX_BASE_QS_PER_VF); |
2655 | vfres->num_queue_pairs = ICE_MAX_BASE_QS_PER_VF; | |
cbfe31b5 PK |
2656 | } else if (req_queues > cur_queues && |
2657 | req_queues - cur_queues > tx_rx_queue_left) { | |
19cce2c6 | 2658 | dev_warn(dev, "VF %d requested %u more queues, but only %u left.\n", |
1071a835 | 2659 | vf->vf_id, req_queues - cur_queues, tx_rx_queue_left); |
cbfe31b5 | 2660 | vfres->num_queue_pairs = min_t(u16, max_allowed_vf_queues, |
5743020d | 2661 | ICE_MAX_BASE_QS_PER_VF); |
1071a835 AV |
2662 | } else { |
2663 | /* request is successful, then reset VF */ | |
2664 | vf->num_req_qs = req_queues; | |
ff010eca | 2665 | ice_vc_reset_vf(vf); |
4015d11e | 2666 | dev_info(dev, "VF %d granted request of %u queues.\n", |
1071a835 AV |
2667 | vf->vf_id, req_queues); |
2668 | return 0; | |
2669 | } | |
2670 | ||
2671 | error_param: | |
2672 | /* send the response to the VF */ | |
2673 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_REQUEST_QUEUES, | |
cf6c6e01 | 2674 | v_ret, (u8 *)vfres, sizeof(*vfres)); |
1071a835 AV |
2675 | } |
2676 | ||
7c710869 AV |
2677 | /** |
2678 | * ice_set_vf_port_vlan | |
2679 | * @netdev: network interface device structure | |
2680 | * @vf_id: VF identifier | |
f9867df6 | 2681 | * @vlan_id: VLAN ID being set |
7c710869 AV |
2682 | * @qos: priority setting |
2683 | * @vlan_proto: VLAN protocol | |
2684 | * | |
f9867df6 | 2685 | * program VF Port VLAN ID and/or QoS |
7c710869 AV |
2686 | */ |
2687 | int | |
2688 | ice_set_vf_port_vlan(struct net_device *netdev, int vf_id, u16 vlan_id, u8 qos, | |
2689 | __be16 vlan_proto) | |
2690 | { | |
4c66d227 | 2691 | struct ice_pf *pf = ice_netdev_to_pf(netdev); |
7c710869 | 2692 | struct ice_vsi *vsi; |
4015d11e | 2693 | struct device *dev; |
7c710869 | 2694 | struct ice_vf *vf; |
61c9ce86 | 2695 | u16 vlanprio; |
7c710869 AV |
2696 | int ret = 0; |
2697 | ||
4015d11e | 2698 | dev = ice_pf_to_dev(pf); |
4c66d227 | 2699 | if (ice_validate_vf_id(pf, vf_id)) |
7c710869 | 2700 | return -EINVAL; |
7c710869 | 2701 | |
61c9ce86 BC |
2702 | if (vlan_id >= VLAN_N_VID || qos > 7) { |
2703 | dev_err(dev, "Invalid Port VLAN parameters for VF %d, ID %d, QoS %d\n", | |
2704 | vf_id, vlan_id, qos); | |
7c710869 AV |
2705 | return -EINVAL; |
2706 | } | |
2707 | ||
2708 | if (vlan_proto != htons(ETH_P_8021Q)) { | |
4015d11e | 2709 | dev_err(dev, "VF VLAN protocol is not supported\n"); |
7c710869 AV |
2710 | return -EPROTONOSUPPORT; |
2711 | } | |
2712 | ||
2713 | vf = &pf->vf[vf_id]; | |
2714 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
4c66d227 | 2715 | if (ice_check_vf_init(pf, vf)) |
7c710869 | 2716 | return -EBUSY; |
7c710869 | 2717 | |
61c9ce86 BC |
2718 | vlanprio = vlan_id | (qos << VLAN_PRIO_SHIFT); |
2719 | ||
2720 | if (vf->port_vlan_info == vlanprio) { | |
7c710869 | 2721 | /* duplicate request, so just return success */ |
4015d11e | 2722 | dev_dbg(dev, "Duplicate pvid %d request\n", vlanprio); |
7c710869 AV |
2723 | return ret; |
2724 | } | |
2725 | ||
7c710869 | 2726 | if (vlan_id || qos) { |
72634bc2 BC |
2727 | /* remove VLAN 0 filter set by default when transitioning from |
2728 | * no port VLAN to a port VLAN. No change to old port VLAN on | |
2729 | * failure. | |
2730 | */ | |
2731 | ret = ice_vsi_kill_vlan(vsi, 0); | |
2732 | if (ret) | |
2733 | return ret; | |
77a7a84d | 2734 | ret = ice_vsi_manage_pvid(vsi, vlanprio, true); |
7c710869 | 2735 | if (ret) |
72634bc2 | 2736 | return ret; |
7c710869 | 2737 | } else { |
72634bc2 BC |
2738 | /* add VLAN 0 filter back when transitioning from port VLAN to |
2739 | * no port VLAN. No change to old port VLAN on failure. | |
2740 | */ | |
2741 | ret = ice_vsi_add_vlan(vsi, 0); | |
2742 | if (ret) | |
2743 | return ret; | |
b093841f BC |
2744 | ret = ice_vsi_manage_pvid(vsi, 0, false); |
2745 | if (ret) | |
2746 | goto error_manage_pvid; | |
7c710869 AV |
2747 | } |
2748 | ||
2749 | if (vlan_id) { | |
4015d11e | 2750 | dev_info(dev, "Setting VLAN %d, QoS 0x%x on VF %d\n", |
7c710869 AV |
2751 | vlan_id, qos, vf_id); |
2752 | ||
72634bc2 | 2753 | /* add VLAN filter for the port VLAN */ |
7c710869 AV |
2754 | ret = ice_vsi_add_vlan(vsi, vlan_id); |
2755 | if (ret) | |
b093841f | 2756 | goto error_manage_pvid; |
7c710869 | 2757 | } |
72634bc2 BC |
2758 | /* remove old port VLAN filter with valid VLAN ID or QoS fields */ |
2759 | if (vf->port_vlan_info) | |
2760 | ice_vsi_kill_vlan(vsi, vf->port_vlan_info & VLAN_VID_MASK); | |
7c710869 | 2761 | |
72634bc2 | 2762 | /* keep port VLAN information persistent on resets */ |
b093841f | 2763 | vf->port_vlan_info = le16_to_cpu(vsi->info.pvid); |
7c710869 | 2764 | |
b093841f | 2765 | error_manage_pvid: |
7c710869 AV |
2766 | return ret; |
2767 | } | |
2768 | ||
d4bc4e2d BC |
2769 | /** |
2770 | * ice_vf_vlan_offload_ena - determine if capabilities support VLAN offloads | |
2771 | * @caps: VF driver negotiated capabilities | |
2772 | * | |
2773 | * Return true if VIRTCHNL_VF_OFFLOAD_VLAN capability is set, else return false | |
2774 | */ | |
2775 | static bool ice_vf_vlan_offload_ena(u32 caps) | |
2776 | { | |
2777 | return !!(caps & VIRTCHNL_VF_OFFLOAD_VLAN); | |
2778 | } | |
2779 | ||
1071a835 AV |
2780 | /** |
2781 | * ice_vc_process_vlan_msg | |
2782 | * @vf: pointer to the VF info | |
2783 | * @msg: pointer to the msg buffer | |
2784 | * @add_v: Add VLAN if true, otherwise delete VLAN | |
2785 | * | |
f9867df6 | 2786 | * Process virtchnl op to add or remove programmed guest VLAN ID |
1071a835 AV |
2787 | */ |
2788 | static int ice_vc_process_vlan_msg(struct ice_vf *vf, u8 *msg, bool add_v) | |
2789 | { | |
cf6c6e01 | 2790 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2791 | struct virtchnl_vlan_filter_list *vfl = |
2792 | (struct virtchnl_vlan_filter_list *)msg; | |
1071a835 | 2793 | struct ice_pf *pf = vf->pf; |
5eda8afd | 2794 | bool vlan_promisc = false; |
1071a835 | 2795 | struct ice_vsi *vsi; |
4015d11e | 2796 | struct device *dev; |
5eda8afd AA |
2797 | struct ice_hw *hw; |
2798 | int status = 0; | |
2799 | u8 promisc_m; | |
1071a835 AV |
2800 | int i; |
2801 | ||
4015d11e | 2802 | dev = ice_pf_to_dev(pf); |
1071a835 | 2803 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { |
cf6c6e01 | 2804 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2805 | goto error_param; |
2806 | } | |
2807 | ||
d4bc4e2d BC |
2808 | if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
2809 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
2810 | goto error_param; | |
2811 | } | |
2812 | ||
1071a835 | 2813 | if (!ice_vc_isvalid_vsi_id(vf, vfl->vsi_id)) { |
cf6c6e01 | 2814 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2815 | goto error_param; |
2816 | } | |
2817 | ||
1071a835 | 2818 | for (i = 0; i < vfl->num_elements; i++) { |
61c9ce86 | 2819 | if (vfl->vlan_id[i] >= VLAN_N_VID) { |
cf6c6e01 | 2820 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
19cce2c6 AV |
2821 | dev_err(dev, "invalid VF VLAN id %d\n", |
2822 | vfl->vlan_id[i]); | |
1071a835 AV |
2823 | goto error_param; |
2824 | } | |
2825 | } | |
2826 | ||
5eda8afd | 2827 | hw = &pf->hw; |
f1ef73f5 | 2828 | vsi = pf->vsi[vf->lan_vsi_idx]; |
1071a835 | 2829 | if (!vsi) { |
cf6c6e01 | 2830 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2831 | goto error_param; |
2832 | } | |
2833 | ||
cd6d6b83 BC |
2834 | if (add_v && !ice_is_vf_trusted(vf) && |
2835 | vsi->num_vlan >= ICE_MAX_VLAN_PER_VF) { | |
19cce2c6 | 2836 | dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", |
cd6d6b83 BC |
2837 | vf->vf_id); |
2838 | /* There is no need to let VF know about being not trusted, | |
2839 | * so we can just return success message here | |
2840 | */ | |
2841 | goto error_param; | |
2842 | } | |
2843 | ||
1071a835 | 2844 | if (vsi->info.pvid) { |
cf6c6e01 | 2845 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2846 | goto error_param; |
2847 | } | |
2848 | ||
5eda8afd AA |
2849 | if (test_bit(ICE_VF_STATE_UC_PROMISC, vf->vf_states) || |
2850 | test_bit(ICE_VF_STATE_MC_PROMISC, vf->vf_states)) | |
2851 | vlan_promisc = true; | |
2852 | ||
1071a835 AV |
2853 | if (add_v) { |
2854 | for (i = 0; i < vfl->num_elements; i++) { | |
2855 | u16 vid = vfl->vlan_id[i]; | |
2856 | ||
5079b853 | 2857 | if (!ice_is_vf_trusted(vf) && |
cd6d6b83 | 2858 | vsi->num_vlan >= ICE_MAX_VLAN_PER_VF) { |
19cce2c6 | 2859 | dev_info(dev, "VF-%d is not trusted, switch the VF to trusted mode, in order to add more VLAN addresses\n", |
5079b853 AA |
2860 | vf->vf_id); |
2861 | /* There is no need to let VF know about being | |
2862 | * not trusted, so we can just return success | |
2863 | * message here as well. | |
2864 | */ | |
2865 | goto error_param; | |
2866 | } | |
2867 | ||
cd6d6b83 BC |
2868 | /* we add VLAN 0 by default for each VF so we can enable |
2869 | * Tx VLAN anti-spoof without triggering MDD events so | |
2870 | * we don't need to add it again here | |
2871 | */ | |
2872 | if (!vid) | |
2873 | continue; | |
2874 | ||
2875 | status = ice_vsi_add_vlan(vsi, vid); | |
2876 | if (status) { | |
cf6c6e01 | 2877 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
5eda8afd AA |
2878 | goto error_param; |
2879 | } | |
1071a835 | 2880 | |
42f3efef BC |
2881 | /* Enable VLAN pruning when non-zero VLAN is added */ |
2882 | if (!vlan_promisc && vid && | |
2883 | !ice_vsi_is_vlan_pruning_ena(vsi)) { | |
5eda8afd AA |
2884 | status = ice_cfg_vlan_pruning(vsi, true, false); |
2885 | if (status) { | |
cf6c6e01 | 2886 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
19cce2c6 | 2887 | dev_err(dev, "Enable VLAN pruning on VLAN ID: %d failed error-%d\n", |
5eda8afd AA |
2888 | vid, status); |
2889 | goto error_param; | |
2890 | } | |
42f3efef | 2891 | } else if (vlan_promisc) { |
5eda8afd AA |
2892 | /* Enable Ucast/Mcast VLAN promiscuous mode */ |
2893 | promisc_m = ICE_PROMISC_VLAN_TX | | |
2894 | ICE_PROMISC_VLAN_RX; | |
2895 | ||
2896 | status = ice_set_vsi_promisc(hw, vsi->idx, | |
2897 | promisc_m, vid); | |
cf6c6e01 MW |
2898 | if (status) { |
2899 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
19cce2c6 | 2900 | dev_err(dev, "Enable Unicast/multicast promiscuous mode on VLAN ID:%d failed error-%d\n", |
5eda8afd | 2901 | vid, status); |
cf6c6e01 | 2902 | } |
1071a835 AV |
2903 | } |
2904 | } | |
2905 | } else { | |
bb877b22 AA |
2906 | /* In case of non_trusted VF, number of VLAN elements passed |
2907 | * to PF for removal might be greater than number of VLANs | |
2908 | * filter programmed for that VF - So, use actual number of | |
2909 | * VLANS added earlier with add VLAN opcode. In order to avoid | |
2910 | * removing VLAN that doesn't exist, which result to sending | |
2911 | * erroneous failed message back to the VF | |
2912 | */ | |
2913 | int num_vf_vlan; | |
2914 | ||
cd6d6b83 | 2915 | num_vf_vlan = vsi->num_vlan; |
bb877b22 | 2916 | for (i = 0; i < vfl->num_elements && i < num_vf_vlan; i++) { |
1071a835 AV |
2917 | u16 vid = vfl->vlan_id[i]; |
2918 | ||
cd6d6b83 BC |
2919 | /* we add VLAN 0 by default for each VF so we can enable |
2920 | * Tx VLAN anti-spoof without triggering MDD events so | |
2921 | * we don't want a VIRTCHNL request to remove it | |
2922 | */ | |
2923 | if (!vid) | |
2924 | continue; | |
2925 | ||
1071a835 AV |
2926 | /* Make sure ice_vsi_kill_vlan is successful before |
2927 | * updating VLAN information | |
2928 | */ | |
cd6d6b83 BC |
2929 | status = ice_vsi_kill_vlan(vsi, vid); |
2930 | if (status) { | |
cf6c6e01 | 2931 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
5eda8afd AA |
2932 | goto error_param; |
2933 | } | |
2934 | ||
42f3efef BC |
2935 | /* Disable VLAN pruning when only VLAN 0 is left */ |
2936 | if (vsi->num_vlan == 1 && | |
2937 | ice_vsi_is_vlan_pruning_ena(vsi)) | |
cd186e51 | 2938 | ice_cfg_vlan_pruning(vsi, false, false); |
5eda8afd AA |
2939 | |
2940 | /* Disable Unicast/Multicast VLAN promiscuous mode */ | |
2941 | if (vlan_promisc) { | |
2942 | promisc_m = ICE_PROMISC_VLAN_TX | | |
2943 | ICE_PROMISC_VLAN_RX; | |
1071a835 | 2944 | |
5eda8afd AA |
2945 | ice_clear_vsi_promisc(hw, vsi->idx, |
2946 | promisc_m, vid); | |
1071a835 AV |
2947 | } |
2948 | } | |
2949 | } | |
2950 | ||
2951 | error_param: | |
2952 | /* send the response to the VF */ | |
2953 | if (add_v) | |
cf6c6e01 | 2954 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ADD_VLAN, v_ret, |
1071a835 AV |
2955 | NULL, 0); |
2956 | else | |
cf6c6e01 | 2957 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DEL_VLAN, v_ret, |
1071a835 AV |
2958 | NULL, 0); |
2959 | } | |
2960 | ||
2961 | /** | |
2962 | * ice_vc_add_vlan_msg | |
2963 | * @vf: pointer to the VF info | |
2964 | * @msg: pointer to the msg buffer | |
2965 | * | |
f9867df6 | 2966 | * Add and program guest VLAN ID |
1071a835 AV |
2967 | */ |
2968 | static int ice_vc_add_vlan_msg(struct ice_vf *vf, u8 *msg) | |
2969 | { | |
2970 | return ice_vc_process_vlan_msg(vf, msg, true); | |
2971 | } | |
2972 | ||
2973 | /** | |
2974 | * ice_vc_remove_vlan_msg | |
2975 | * @vf: pointer to the VF info | |
2976 | * @msg: pointer to the msg buffer | |
2977 | * | |
f9867df6 | 2978 | * remove programmed guest VLAN ID |
1071a835 AV |
2979 | */ |
2980 | static int ice_vc_remove_vlan_msg(struct ice_vf *vf, u8 *msg) | |
2981 | { | |
2982 | return ice_vc_process_vlan_msg(vf, msg, false); | |
2983 | } | |
2984 | ||
2985 | /** | |
2986 | * ice_vc_ena_vlan_stripping | |
2987 | * @vf: pointer to the VF info | |
2988 | * | |
2989 | * Enable VLAN header stripping for a given VF | |
2990 | */ | |
2991 | static int ice_vc_ena_vlan_stripping(struct ice_vf *vf) | |
2992 | { | |
cf6c6e01 | 2993 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
2994 | struct ice_pf *pf = vf->pf; |
2995 | struct ice_vsi *vsi; | |
2996 | ||
2997 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 2998 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
2999 | goto error_param; |
3000 | } | |
3001 | ||
d4bc4e2d BC |
3002 | if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
3003 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
3004 | goto error_param; | |
3005 | } | |
3006 | ||
1071a835 AV |
3007 | vsi = pf->vsi[vf->lan_vsi_idx]; |
3008 | if (ice_vsi_manage_vlan_stripping(vsi, true)) | |
cf6c6e01 | 3009 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
3010 | |
3011 | error_param: | |
3012 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_ENABLE_VLAN_STRIPPING, | |
cf6c6e01 | 3013 | v_ret, NULL, 0); |
1071a835 AV |
3014 | } |
3015 | ||
3016 | /** | |
3017 | * ice_vc_dis_vlan_stripping | |
3018 | * @vf: pointer to the VF info | |
3019 | * | |
3020 | * Disable VLAN header stripping for a given VF | |
3021 | */ | |
3022 | static int ice_vc_dis_vlan_stripping(struct ice_vf *vf) | |
3023 | { | |
cf6c6e01 | 3024 | enum virtchnl_status_code v_ret = VIRTCHNL_STATUS_SUCCESS; |
1071a835 AV |
3025 | struct ice_pf *pf = vf->pf; |
3026 | struct ice_vsi *vsi; | |
3027 | ||
3028 | if (!test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) { | |
cf6c6e01 | 3029 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
3030 | goto error_param; |
3031 | } | |
3032 | ||
d4bc4e2d BC |
3033 | if (!ice_vf_vlan_offload_ena(vf->driver_caps)) { |
3034 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; | |
3035 | goto error_param; | |
3036 | } | |
3037 | ||
1071a835 | 3038 | vsi = pf->vsi[vf->lan_vsi_idx]; |
f1ef73f5 | 3039 | if (!vsi) { |
cf6c6e01 | 3040 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
f1ef73f5 AA |
3041 | goto error_param; |
3042 | } | |
3043 | ||
1071a835 | 3044 | if (ice_vsi_manage_vlan_stripping(vsi, false)) |
cf6c6e01 | 3045 | v_ret = VIRTCHNL_STATUS_ERR_PARAM; |
1071a835 AV |
3046 | |
3047 | error_param: | |
3048 | return ice_vc_send_msg_to_vf(vf, VIRTCHNL_OP_DISABLE_VLAN_STRIPPING, | |
cf6c6e01 | 3049 | v_ret, NULL, 0); |
1071a835 AV |
3050 | } |
3051 | ||
2f9ec241 BC |
3052 | /** |
3053 | * ice_vf_init_vlan_stripping - enable/disable VLAN stripping on initialization | |
3054 | * @vf: VF to enable/disable VLAN stripping for on initialization | |
3055 | * | |
3056 | * If the VIRTCHNL_VF_OFFLOAD_VLAN flag is set enable VLAN stripping, else if | |
3057 | * the flag is cleared then we want to disable stripping. For example, the flag | |
3058 | * will be cleared when port VLANs are configured by the administrator before | |
3059 | * passing the VF to the guest or if the AVF driver doesn't support VLAN | |
3060 | * offloads. | |
3061 | */ | |
3062 | static int ice_vf_init_vlan_stripping(struct ice_vf *vf) | |
3063 | { | |
3064 | struct ice_vsi *vsi = vf->pf->vsi[vf->lan_vsi_idx]; | |
3065 | ||
3066 | if (!vsi) | |
3067 | return -EINVAL; | |
3068 | ||
3069 | /* don't modify stripping if port VLAN is configured */ | |
3070 | if (vsi->info.pvid) | |
3071 | return 0; | |
3072 | ||
3073 | if (ice_vf_vlan_offload_ena(vf->driver_caps)) | |
3074 | return ice_vsi_manage_vlan_stripping(vsi, true); | |
3075 | else | |
3076 | return ice_vsi_manage_vlan_stripping(vsi, false); | |
3077 | } | |
3078 | ||
1071a835 AV |
3079 | /** |
3080 | * ice_vc_process_vf_msg - Process request from VF | |
3081 | * @pf: pointer to the PF structure | |
3082 | * @event: pointer to the AQ event | |
3083 | * | |
3084 | * called from the common asq/arq handler to | |
3085 | * process request from VF | |
3086 | */ | |
3087 | void ice_vc_process_vf_msg(struct ice_pf *pf, struct ice_rq_event_info *event) | |
3088 | { | |
3089 | u32 v_opcode = le32_to_cpu(event->desc.cookie_high); | |
3090 | s16 vf_id = le16_to_cpu(event->desc.retval); | |
3091 | u16 msglen = event->msg_len; | |
3092 | u8 *msg = event->msg_buf; | |
3093 | struct ice_vf *vf = NULL; | |
4015d11e | 3094 | struct device *dev; |
1071a835 AV |
3095 | int err = 0; |
3096 | ||
4015d11e | 3097 | dev = ice_pf_to_dev(pf); |
4c66d227 | 3098 | if (ice_validate_vf_id(pf, vf_id)) { |
1071a835 AV |
3099 | err = -EINVAL; |
3100 | goto error_handler; | |
3101 | } | |
3102 | ||
3103 | vf = &pf->vf[vf_id]; | |
3104 | ||
3105 | /* Check if VF is disabled. */ | |
3106 | if (test_bit(ICE_VF_STATE_DIS, vf->vf_states)) { | |
3107 | err = -EPERM; | |
3108 | goto error_handler; | |
3109 | } | |
3110 | ||
3111 | /* Perform basic checks on the msg */ | |
3112 | err = virtchnl_vc_validate_vf_msg(&vf->vf_ver, v_opcode, msg, msglen); | |
3113 | if (err) { | |
cf6c6e01 | 3114 | if (err == VIRTCHNL_STATUS_ERR_PARAM) |
1071a835 AV |
3115 | err = -EPERM; |
3116 | else | |
3117 | err = -EINVAL; | |
1071a835 AV |
3118 | } |
3119 | ||
3120 | error_handler: | |
3121 | if (err) { | |
cf6c6e01 MW |
3122 | ice_vc_send_msg_to_vf(vf, v_opcode, VIRTCHNL_STATUS_ERR_PARAM, |
3123 | NULL, 0); | |
4015d11e | 3124 | dev_err(dev, "Invalid message from VF %d, opcode %d, len %d, error %d\n", |
1071a835 AV |
3125 | vf_id, v_opcode, msglen, err); |
3126 | return; | |
3127 | } | |
3128 | ||
3129 | switch (v_opcode) { | |
3130 | case VIRTCHNL_OP_VERSION: | |
3131 | err = ice_vc_get_ver_msg(vf, msg); | |
3132 | break; | |
3133 | case VIRTCHNL_OP_GET_VF_RESOURCES: | |
3134 | err = ice_vc_get_vf_res_msg(vf, msg); | |
2f9ec241 | 3135 | if (ice_vf_init_vlan_stripping(vf)) |
19cce2c6 | 3136 | dev_err(dev, "Failed to initialize VLAN stripping for VF %d\n", |
2f9ec241 | 3137 | vf->vf_id); |
dfc62400 | 3138 | ice_vc_notify_vf_link_state(vf); |
1071a835 AV |
3139 | break; |
3140 | case VIRTCHNL_OP_RESET_VF: | |
3141 | ice_vc_reset_vf_msg(vf); | |
3142 | break; | |
3143 | case VIRTCHNL_OP_ADD_ETH_ADDR: | |
3144 | err = ice_vc_add_mac_addr_msg(vf, msg); | |
3145 | break; | |
3146 | case VIRTCHNL_OP_DEL_ETH_ADDR: | |
3147 | err = ice_vc_del_mac_addr_msg(vf, msg); | |
3148 | break; | |
3149 | case VIRTCHNL_OP_CONFIG_VSI_QUEUES: | |
3150 | err = ice_vc_cfg_qs_msg(vf, msg); | |
3151 | break; | |
3152 | case VIRTCHNL_OP_ENABLE_QUEUES: | |
3153 | err = ice_vc_ena_qs_msg(vf, msg); | |
3154 | ice_vc_notify_vf_link_state(vf); | |
3155 | break; | |
3156 | case VIRTCHNL_OP_DISABLE_QUEUES: | |
3157 | err = ice_vc_dis_qs_msg(vf, msg); | |
3158 | break; | |
3159 | case VIRTCHNL_OP_REQUEST_QUEUES: | |
3160 | err = ice_vc_request_qs_msg(vf, msg); | |
3161 | break; | |
3162 | case VIRTCHNL_OP_CONFIG_IRQ_MAP: | |
3163 | err = ice_vc_cfg_irq_map_msg(vf, msg); | |
3164 | break; | |
3165 | case VIRTCHNL_OP_CONFIG_RSS_KEY: | |
3166 | err = ice_vc_config_rss_key(vf, msg); | |
3167 | break; | |
3168 | case VIRTCHNL_OP_CONFIG_RSS_LUT: | |
3169 | err = ice_vc_config_rss_lut(vf, msg); | |
3170 | break; | |
3171 | case VIRTCHNL_OP_GET_STATS: | |
3172 | err = ice_vc_get_stats_msg(vf, msg); | |
3173 | break; | |
3174 | case VIRTCHNL_OP_ADD_VLAN: | |
3175 | err = ice_vc_add_vlan_msg(vf, msg); | |
3176 | break; | |
3177 | case VIRTCHNL_OP_DEL_VLAN: | |
3178 | err = ice_vc_remove_vlan_msg(vf, msg); | |
3179 | break; | |
3180 | case VIRTCHNL_OP_ENABLE_VLAN_STRIPPING: | |
3181 | err = ice_vc_ena_vlan_stripping(vf); | |
3182 | break; | |
3183 | case VIRTCHNL_OP_DISABLE_VLAN_STRIPPING: | |
3184 | err = ice_vc_dis_vlan_stripping(vf); | |
3185 | break; | |
3186 | case VIRTCHNL_OP_UNKNOWN: | |
3187 | default: | |
4015d11e BC |
3188 | dev_err(dev, "Unsupported opcode %d from VF %d\n", v_opcode, |
3189 | vf_id); | |
cf6c6e01 MW |
3190 | err = ice_vc_send_msg_to_vf(vf, v_opcode, |
3191 | VIRTCHNL_STATUS_ERR_NOT_SUPPORTED, | |
1071a835 AV |
3192 | NULL, 0); |
3193 | break; | |
3194 | } | |
3195 | if (err) { | |
3196 | /* Helper function cares less about error return values here | |
3197 | * as it is busy with pending work. | |
3198 | */ | |
4015d11e | 3199 | dev_info(dev, "PF failed to honor VF %d, opcode %d, error %d\n", |
1071a835 AV |
3200 | vf_id, v_opcode, err); |
3201 | } | |
3202 | } | |
3203 | ||
7c710869 AV |
3204 | /** |
3205 | * ice_get_vf_cfg | |
3206 | * @netdev: network interface device structure | |
3207 | * @vf_id: VF identifier | |
3208 | * @ivi: VF configuration structure | |
3209 | * | |
3210 | * return VF configuration | |
3211 | */ | |
c8b7abdd BA |
3212 | int |
3213 | ice_get_vf_cfg(struct net_device *netdev, int vf_id, struct ifla_vf_info *ivi) | |
7c710869 | 3214 | { |
4c66d227 | 3215 | struct ice_pf *pf = ice_netdev_to_pf(netdev); |
7c710869 AV |
3216 | struct ice_vf *vf; |
3217 | ||
4c66d227 | 3218 | if (ice_validate_vf_id(pf, vf_id)) |
7c710869 | 3219 | return -EINVAL; |
7c710869 AV |
3220 | |
3221 | vf = &pf->vf[vf_id]; | |
7c710869 | 3222 | |
4c66d227 | 3223 | if (ice_check_vf_init(pf, vf)) |
7c710869 | 3224 | return -EBUSY; |
7c710869 AV |
3225 | |
3226 | ivi->vf = vf_id; | |
3227 | ether_addr_copy(ivi->mac, vf->dflt_lan_addr.addr); | |
3228 | ||
3229 | /* VF configuration for VLAN and applicable QoS */ | |
61c9ce86 BC |
3230 | ivi->vlan = vf->port_vlan_info & VLAN_VID_MASK; |
3231 | ivi->qos = (vf->port_vlan_info & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
7c710869 AV |
3232 | |
3233 | ivi->trusted = vf->trusted; | |
3234 | ivi->spoofchk = vf->spoofchk; | |
3235 | if (!vf->link_forced) | |
3236 | ivi->linkstate = IFLA_VF_LINK_STATE_AUTO; | |
3237 | else if (vf->link_up) | |
3238 | ivi->linkstate = IFLA_VF_LINK_STATE_ENABLE; | |
3239 | else | |
3240 | ivi->linkstate = IFLA_VF_LINK_STATE_DISABLE; | |
3241 | ivi->max_tx_rate = vf->tx_rate; | |
3242 | ivi->min_tx_rate = 0; | |
3243 | return 0; | |
3244 | } | |
3245 | ||
ec4f5a43 AA |
3246 | /** |
3247 | * ice_wait_on_vf_reset | |
3248 | * @vf: The VF being resseting | |
3249 | * | |
3250 | * Poll to make sure a given VF is ready after reset | |
3251 | */ | |
3252 | static void ice_wait_on_vf_reset(struct ice_vf *vf) | |
3253 | { | |
3254 | int i; | |
3255 | ||
3256 | for (i = 0; i < ICE_MAX_VF_RESET_WAIT; i++) { | |
3257 | if (test_bit(ICE_VF_STATE_INIT, vf->vf_states)) | |
3258 | break; | |
3259 | msleep(20); | |
3260 | } | |
3261 | } | |
3262 | ||
7c710869 AV |
3263 | /** |
3264 | * ice_set_vf_mac | |
3265 | * @netdev: network interface device structure | |
3266 | * @vf_id: VF identifier | |
f9867df6 | 3267 | * @mac: MAC address |
7c710869 | 3268 | * |
f9867df6 | 3269 | * program VF MAC address |
7c710869 AV |
3270 | */ |
3271 | int ice_set_vf_mac(struct net_device *netdev, int vf_id, u8 *mac) | |
3272 | { | |
4c66d227 | 3273 | struct ice_pf *pf = ice_netdev_to_pf(netdev); |
7c710869 AV |
3274 | struct ice_vf *vf; |
3275 | int ret = 0; | |
3276 | ||
4c66d227 | 3277 | if (ice_validate_vf_id(pf, vf_id)) |
7c710869 | 3278 | return -EINVAL; |
7c710869 AV |
3279 | |
3280 | vf = &pf->vf[vf_id]; | |
ec4f5a43 AA |
3281 | /* Don't set MAC on disabled VF */ |
3282 | if (ice_is_vf_disabled(vf)) | |
3283 | return -EINVAL; | |
3284 | ||
3285 | /* In case VF is in reset mode, wait until it is completed. Depending | |
3286 | * on factors like queue disabling routine, this could take ~250ms | |
3287 | */ | |
3288 | ice_wait_on_vf_reset(vf); | |
3289 | ||
4c66d227 | 3290 | if (ice_check_vf_init(pf, vf)) |
7c710869 | 3291 | return -EBUSY; |
7c710869 AV |
3292 | |
3293 | if (is_zero_ether_addr(mac) || is_multicast_ether_addr(mac)) { | |
3294 | netdev_err(netdev, "%pM not a valid unicast address\n", mac); | |
3295 | return -EINVAL; | |
3296 | } | |
3297 | ||
f9867df6 | 3298 | /* copy MAC into dflt_lan_addr and trigger a VF reset. The reset |
7c710869 AV |
3299 | * flow will use the updated dflt_lan_addr and add a MAC filter |
3300 | * using ice_add_mac. Also set pf_set_mac to indicate that the PF has | |
3301 | * set the MAC address for this VF. | |
3302 | */ | |
3303 | ether_addr_copy(vf->dflt_lan_addr.addr, mac); | |
3304 | vf->pf_set_mac = true; | |
19cce2c6 | 3305 | netdev_info(netdev, "MAC on VF %d set to %pM. VF driver will be reinitialized\n", |
7c710869 AV |
3306 | vf_id, mac); |
3307 | ||
ff010eca | 3308 | ice_vc_reset_vf(vf); |
7c710869 AV |
3309 | return ret; |
3310 | } | |
3311 | ||
3312 | /** | |
3313 | * ice_set_vf_trust | |
3314 | * @netdev: network interface device structure | |
3315 | * @vf_id: VF identifier | |
3316 | * @trusted: Boolean value to enable/disable trusted VF | |
3317 | * | |
3318 | * Enable or disable a given VF as trusted | |
3319 | */ | |
3320 | int ice_set_vf_trust(struct net_device *netdev, int vf_id, bool trusted) | |
3321 | { | |
4c66d227 | 3322 | struct ice_pf *pf = ice_netdev_to_pf(netdev); |
7c710869 AV |
3323 | struct ice_vf *vf; |
3324 | ||
4c66d227 | 3325 | if (ice_validate_vf_id(pf, vf_id)) |
7c710869 | 3326 | return -EINVAL; |
7c710869 AV |
3327 | |
3328 | vf = &pf->vf[vf_id]; | |
ec4f5a43 AA |
3329 | /* Don't set Trusted Mode on disabled VF */ |
3330 | if (ice_is_vf_disabled(vf)) | |
3331 | return -EINVAL; | |
3332 | ||
3333 | /* In case VF is in reset mode, wait until it is completed. Depending | |
3334 | * on factors like queue disabling routine, this could take ~250ms | |
3335 | */ | |
3336 | ice_wait_on_vf_reset(vf); | |
3337 | ||
4c66d227 | 3338 | if (ice_check_vf_init(pf, vf)) |
7c710869 | 3339 | return -EBUSY; |
7c710869 AV |
3340 | |
3341 | /* Check if already trusted */ | |
3342 | if (trusted == vf->trusted) | |
3343 | return 0; | |
3344 | ||
3345 | vf->trusted = trusted; | |
ff010eca | 3346 | ice_vc_reset_vf(vf); |
19cce2c6 | 3347 | dev_info(ice_pf_to_dev(pf), "VF %u is now %strusted\n", |
7c710869 AV |
3348 | vf_id, trusted ? "" : "un"); |
3349 | ||
3350 | return 0; | |
3351 | } | |
3352 | ||
3353 | /** | |
3354 | * ice_set_vf_link_state | |
3355 | * @netdev: network interface device structure | |
3356 | * @vf_id: VF identifier | |
3357 | * @link_state: required link state | |
3358 | * | |
3359 | * Set VF's link state, irrespective of physical link state status | |
3360 | */ | |
3361 | int ice_set_vf_link_state(struct net_device *netdev, int vf_id, int link_state) | |
3362 | { | |
4c66d227 | 3363 | struct ice_pf *pf = ice_netdev_to_pf(netdev); |
7c710869 | 3364 | struct ice_vf *vf; |
7c710869 | 3365 | |
4c66d227 | 3366 | if (ice_validate_vf_id(pf, vf_id)) |
7c710869 | 3367 | return -EINVAL; |
7c710869 AV |
3368 | |
3369 | vf = &pf->vf[vf_id]; | |
4c66d227 | 3370 | if (ice_check_vf_init(pf, vf)) |
7c710869 | 3371 | return -EBUSY; |
7c710869 | 3372 | |
7c710869 AV |
3373 | switch (link_state) { |
3374 | case IFLA_VF_LINK_STATE_AUTO: | |
3375 | vf->link_forced = false; | |
7c710869 AV |
3376 | break; |
3377 | case IFLA_VF_LINK_STATE_ENABLE: | |
3378 | vf->link_forced = true; | |
3379 | vf->link_up = true; | |
3380 | break; | |
3381 | case IFLA_VF_LINK_STATE_DISABLE: | |
3382 | vf->link_forced = true; | |
3383 | vf->link_up = false; | |
3384 | break; | |
3385 | default: | |
3386 | return -EINVAL; | |
3387 | } | |
3388 | ||
26a91525 | 3389 | ice_vc_notify_vf_link_state(vf); |
7c710869 AV |
3390 | |
3391 | return 0; | |
3392 | } | |
730fdea4 JB |
3393 | |
3394 | /** | |
3395 | * ice_get_vf_stats - populate some stats for the VF | |
3396 | * @netdev: the netdev of the PF | |
3397 | * @vf_id: the host OS identifier (0-255) | |
3398 | * @vf_stats: pointer to the OS memory to be initialized | |
3399 | */ | |
3400 | int ice_get_vf_stats(struct net_device *netdev, int vf_id, | |
3401 | struct ifla_vf_stats *vf_stats) | |
3402 | { | |
3403 | struct ice_pf *pf = ice_netdev_to_pf(netdev); | |
3404 | struct ice_eth_stats *stats; | |
3405 | struct ice_vsi *vsi; | |
3406 | struct ice_vf *vf; | |
3407 | ||
3408 | if (ice_validate_vf_id(pf, vf_id)) | |
3409 | return -EINVAL; | |
3410 | ||
3411 | vf = &pf->vf[vf_id]; | |
3412 | ||
3413 | if (ice_check_vf_init(pf, vf)) | |
3414 | return -EBUSY; | |
3415 | ||
3416 | vsi = pf->vsi[vf->lan_vsi_idx]; | |
3417 | if (!vsi) | |
3418 | return -EINVAL; | |
3419 | ||
3420 | ice_update_eth_stats(vsi); | |
3421 | stats = &vsi->eth_stats; | |
3422 | ||
3423 | memset(vf_stats, 0, sizeof(*vf_stats)); | |
3424 | ||
3425 | vf_stats->rx_packets = stats->rx_unicast + stats->rx_broadcast + | |
3426 | stats->rx_multicast; | |
3427 | vf_stats->tx_packets = stats->tx_unicast + stats->tx_broadcast + | |
3428 | stats->tx_multicast; | |
3429 | vf_stats->rx_bytes = stats->rx_bytes; | |
3430 | vf_stats->tx_bytes = stats->tx_bytes; | |
3431 | vf_stats->broadcast = stats->rx_broadcast; | |
3432 | vf_stats->multicast = stats->rx_multicast; | |
3433 | vf_stats->rx_dropped = stats->rx_discards; | |
3434 | vf_stats->tx_dropped = stats->tx_discards; | |
3435 | ||
3436 | return 0; | |
3437 | } |