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45d3d428 AV |
1 | // SPDX-License-Identifier: GPL-2.0 |
2 | /* Copyright (c) 2018, Intel Corporation. */ | |
3 | ||
4 | #include "ice.h" | |
5 | #include "ice_lib.h" | |
6 | ||
72adf242 AV |
7 | /** |
8 | * ice_setup_rx_ctx - Configure a receive ring context | |
9 | * @ring: The Rx ring to configure | |
10 | * | |
11 | * Configure the Rx descriptor ring in RLAN context. | |
12 | */ | |
13 | static int ice_setup_rx_ctx(struct ice_ring *ring) | |
14 | { | |
15 | struct ice_vsi *vsi = ring->vsi; | |
16 | struct ice_hw *hw = &vsi->back->hw; | |
17 | u32 rxdid = ICE_RXDID_FLEX_NIC; | |
18 | struct ice_rlan_ctx rlan_ctx; | |
19 | u32 regval; | |
20 | u16 pf_q; | |
21 | int err; | |
22 | ||
d337f2af | 23 | /* what is Rx queue number in global space of 2K Rx queues */ |
72adf242 AV |
24 | pf_q = vsi->rxq_map[ring->q_index]; |
25 | ||
26 | /* clear the context structure first */ | |
27 | memset(&rlan_ctx, 0, sizeof(rlan_ctx)); | |
28 | ||
29 | rlan_ctx.base = ring->dma >> 7; | |
30 | ||
31 | rlan_ctx.qlen = ring->count; | |
32 | ||
33 | /* Receive Packet Data Buffer Size. | |
34 | * The Packet Data Buffer Size is defined in 128 byte units. | |
35 | */ | |
36 | rlan_ctx.dbuf = vsi->rx_buf_len >> ICE_RLAN_CTX_DBUF_S; | |
37 | ||
38 | /* use 32 byte descriptors */ | |
39 | rlan_ctx.dsize = 1; | |
40 | ||
41 | /* Strip the Ethernet CRC bytes before the packet is posted to host | |
42 | * memory. | |
43 | */ | |
44 | rlan_ctx.crcstrip = 1; | |
45 | ||
46 | /* L2TSEL flag defines the reported L2 Tags in the receive descriptor */ | |
47 | rlan_ctx.l2tsel = 1; | |
48 | ||
49 | rlan_ctx.dtype = ICE_RX_DTYPE_NO_SPLIT; | |
50 | rlan_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_NO_SPLIT; | |
51 | rlan_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_NO_SPLIT; | |
52 | ||
53 | /* This controls whether VLAN is stripped from inner headers | |
54 | * The VLAN in the inner L2 header is stripped to the receive | |
55 | * descriptor if enabled by this flag. | |
56 | */ | |
57 | rlan_ctx.showiv = 0; | |
58 | ||
59 | /* Max packet size for this queue - must not be set to a larger value | |
60 | * than 5 x DBUF | |
61 | */ | |
62 | rlan_ctx.rxmax = min_t(u16, vsi->max_frame, | |
63 | ICE_MAX_CHAINED_RX_BUFS * vsi->rx_buf_len); | |
64 | ||
65 | /* Rx queue threshold in units of 64 */ | |
66 | rlan_ctx.lrxqthresh = 1; | |
67 | ||
68 | /* Enable Flexible Descriptors in the queue context which | |
69 | * allows this driver to select a specific receive descriptor format | |
70 | */ | |
8ede0178 AV |
71 | if (vsi->type != ICE_VSI_VF) { |
72 | regval = rd32(hw, QRXFLXP_CNTXT(pf_q)); | |
73 | regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) & | |
74 | QRXFLXP_CNTXT_RXDID_IDX_M; | |
75 | ||
76 | /* increasing context priority to pick up profile id; | |
77 | * default is 0x01; setting to 0x03 to ensure profile | |
78 | * is programming if prev context is of same priority | |
79 | */ | |
80 | regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) & | |
81 | QRXFLXP_CNTXT_RXDID_PRIO_M; | |
72adf242 | 82 | |
8ede0178 AV |
83 | wr32(hw, QRXFLXP_CNTXT(pf_q), regval); |
84 | } | |
72adf242 AV |
85 | |
86 | /* Absolute queue number out of 2K needs to be passed */ | |
87 | err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q); | |
88 | if (err) { | |
89 | dev_err(&vsi->back->pdev->dev, | |
90 | "Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n", | |
91 | pf_q, err); | |
92 | return -EIO; | |
93 | } | |
94 | ||
8ede0178 AV |
95 | if (vsi->type == ICE_VSI_VF) |
96 | return 0; | |
97 | ||
72adf242 AV |
98 | /* init queue specific tail register */ |
99 | ring->tail = hw->hw_addr + QRX_TAIL(pf_q); | |
100 | writel(0, ring->tail); | |
101 | ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring)); | |
102 | ||
103 | return 0; | |
104 | } | |
105 | ||
106 | /** | |
107 | * ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance | |
108 | * @ring: The Tx ring to configure | |
109 | * @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized | |
110 | * @pf_q: queue index in the PF space | |
111 | * | |
112 | * Configure the Tx descriptor ring in TLAN context. | |
113 | */ | |
114 | static void | |
115 | ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q) | |
116 | { | |
117 | struct ice_vsi *vsi = ring->vsi; | |
118 | struct ice_hw *hw = &vsi->back->hw; | |
119 | ||
120 | tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S; | |
121 | ||
122 | tlan_ctx->port_num = vsi->port_info->lport; | |
123 | ||
124 | /* Transmit Queue Length */ | |
125 | tlan_ctx->qlen = ring->count; | |
126 | ||
127 | /* PF number */ | |
128 | tlan_ctx->pf_num = hw->pf_id; | |
129 | ||
130 | /* queue belongs to a specific VSI type | |
131 | * VF / VM index should be programmed per vmvf_type setting: | |
132 | * for vmvf_type = VF, it is VF number between 0-256 | |
133 | * for vmvf_type = VM, it is VM number between 0-767 | |
134 | * for PF or EMP this field should be set to zero | |
135 | */ | |
136 | switch (vsi->type) { | |
137 | case ICE_VSI_PF: | |
138 | tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; | |
139 | break; | |
8ede0178 AV |
140 | case ICE_VSI_VF: |
141 | /* Firmware expects vmvf_num to be absolute VF id */ | |
142 | tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf_id; | |
143 | tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF; | |
144 | break; | |
72adf242 AV |
145 | default: |
146 | return; | |
147 | } | |
148 | ||
149 | /* make sure the context is associated with the right VSI */ | |
4fb33f31 | 150 | tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx); |
72adf242 AV |
151 | |
152 | tlan_ctx->tso_ena = ICE_TX_LEGACY; | |
153 | tlan_ctx->tso_qnum = pf_q; | |
154 | ||
155 | /* Legacy or Advanced Host Interface: | |
156 | * 0: Advanced Host Interface | |
157 | * 1: Legacy Host Interface | |
158 | */ | |
159 | tlan_ctx->legacy_int = ICE_TX_LEGACY; | |
160 | } | |
161 | ||
162 | /** | |
163 | * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled | |
164 | * @pf: the PF being configured | |
165 | * @pf_q: the PF queue | |
166 | * @ena: enable or disable state of the queue | |
167 | * | |
168 | * This routine will wait for the given Rx queue of the PF to reach the | |
169 | * enabled or disabled state. | |
170 | * Returns -ETIMEDOUT in case of failing to reach the requested state after | |
171 | * multiple retries; else will return 0 in case of success. | |
172 | */ | |
173 | static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena) | |
174 | { | |
175 | int i; | |
176 | ||
7b8ff0f9 | 177 | for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) { |
72adf242 AV |
178 | u32 rx_reg = rd32(&pf->hw, QRX_CTRL(pf_q)); |
179 | ||
180 | if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M)) | |
181 | break; | |
182 | ||
7b8ff0f9 | 183 | usleep_range(20, 40); |
72adf242 | 184 | } |
7b8ff0f9 | 185 | if (i >= ICE_Q_WAIT_MAX_RETRY) |
72adf242 AV |
186 | return -ETIMEDOUT; |
187 | ||
188 | return 0; | |
189 | } | |
190 | ||
191 | /** | |
192 | * ice_vsi_ctrl_rx_rings - Start or stop a VSI's Rx rings | |
193 | * @vsi: the VSI being configured | |
194 | * @ena: start or stop the Rx rings | |
195 | */ | |
196 | static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena) | |
197 | { | |
198 | struct ice_pf *pf = vsi->back; | |
199 | struct ice_hw *hw = &pf->hw; | |
200 | int i, j, ret = 0; | |
201 | ||
202 | for (i = 0; i < vsi->num_rxq; i++) { | |
203 | int pf_q = vsi->rxq_map[i]; | |
204 | u32 rx_reg; | |
205 | ||
206 | for (j = 0; j < ICE_Q_WAIT_MAX_RETRY; j++) { | |
207 | rx_reg = rd32(hw, QRX_CTRL(pf_q)); | |
208 | if (((rx_reg >> QRX_CTRL_QENA_REQ_S) & 1) == | |
209 | ((rx_reg >> QRX_CTRL_QENA_STAT_S) & 1)) | |
210 | break; | |
211 | usleep_range(1000, 2000); | |
212 | } | |
213 | ||
214 | /* Skip if the queue is already in the requested state */ | |
215 | if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M)) | |
216 | continue; | |
217 | ||
218 | /* turn on/off the queue */ | |
219 | if (ena) | |
220 | rx_reg |= QRX_CTRL_QENA_REQ_M; | |
221 | else | |
222 | rx_reg &= ~QRX_CTRL_QENA_REQ_M; | |
223 | wr32(hw, QRX_CTRL(pf_q), rx_reg); | |
224 | ||
225 | /* wait for the change to finish */ | |
226 | ret = ice_pf_rxq_wait(pf, pf_q, ena); | |
227 | if (ret) { | |
228 | dev_err(&pf->pdev->dev, | |
229 | "VSI idx %d Rx ring %d %sable timeout\n", | |
230 | vsi->idx, pf_q, (ena ? "en" : "dis")); | |
231 | break; | |
232 | } | |
233 | } | |
234 | ||
235 | return ret; | |
236 | } | |
237 | ||
28c2a645 AV |
238 | /** |
239 | * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI | |
240 | * @vsi: VSI pointer | |
241 | * @alloc_qvectors: a bool to specify if q_vectors need to be allocated. | |
242 | * | |
243 | * On error: returns error code (negative) | |
244 | * On success: returns 0 | |
245 | */ | |
37bb8390 | 246 | static int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors) |
28c2a645 AV |
247 | { |
248 | struct ice_pf *pf = vsi->back; | |
249 | ||
250 | /* allocate memory for both Tx and Rx ring pointers */ | |
251 | vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq, | |
252 | sizeof(struct ice_ring *), GFP_KERNEL); | |
253 | if (!vsi->tx_rings) | |
254 | goto err_txrings; | |
255 | ||
256 | vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq, | |
257 | sizeof(struct ice_ring *), GFP_KERNEL); | |
258 | if (!vsi->rx_rings) | |
259 | goto err_rxrings; | |
260 | ||
261 | if (alloc_qvectors) { | |
262 | /* allocate memory for q_vector pointers */ | |
263 | vsi->q_vectors = devm_kcalloc(&pf->pdev->dev, | |
264 | vsi->num_q_vectors, | |
265 | sizeof(struct ice_q_vector *), | |
266 | GFP_KERNEL); | |
267 | if (!vsi->q_vectors) | |
268 | goto err_vectors; | |
269 | } | |
270 | ||
271 | return 0; | |
272 | ||
273 | err_vectors: | |
274 | devm_kfree(&pf->pdev->dev, vsi->rx_rings); | |
275 | err_rxrings: | |
276 | devm_kfree(&pf->pdev->dev, vsi->tx_rings); | |
277 | err_txrings: | |
278 | return -ENOMEM; | |
279 | } | |
280 | ||
281 | /** | |
282 | * ice_vsi_set_num_qs - Set num queues, descriptors and vectors for a VSI | |
283 | * @vsi: the VSI being configured | |
284 | * | |
285 | * Return 0 on success and a negative value on error | |
286 | */ | |
37bb8390 | 287 | static void ice_vsi_set_num_qs(struct ice_vsi *vsi) |
28c2a645 AV |
288 | { |
289 | struct ice_pf *pf = vsi->back; | |
290 | ||
291 | switch (vsi->type) { | |
292 | case ICE_VSI_PF: | |
293 | vsi->alloc_txq = pf->num_lan_tx; | |
294 | vsi->alloc_rxq = pf->num_lan_rx; | |
295 | vsi->num_desc = ALIGN(ICE_DFLT_NUM_DESC, ICE_REQ_DESC_MULTIPLE); | |
296 | vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx); | |
297 | break; | |
8ede0178 AV |
298 | case ICE_VSI_VF: |
299 | vsi->alloc_txq = pf->num_vf_qps; | |
300 | vsi->alloc_rxq = pf->num_vf_qps; | |
301 | /* pf->num_vf_msix includes (VF miscellaneous vector + | |
302 | * data queue interrupts). Since vsi->num_q_vectors is number | |
303 | * of queues vectors, subtract 1 from the original vector | |
304 | * count | |
305 | */ | |
306 | vsi->num_q_vectors = pf->num_vf_msix - 1; | |
307 | break; | |
28c2a645 AV |
308 | default: |
309 | dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", | |
310 | vsi->type); | |
311 | break; | |
312 | } | |
313 | } | |
314 | ||
315 | /** | |
316 | * ice_get_free_slot - get the next non-NULL location index in array | |
317 | * @array: array to search | |
318 | * @size: size of the array | |
319 | * @curr: last known occupied index to be used as a search hint | |
320 | * | |
321 | * void * is being used to keep the functionality generic. This lets us use this | |
322 | * function on any array of pointers. | |
323 | */ | |
37bb8390 | 324 | static int ice_get_free_slot(void *array, int size, int curr) |
28c2a645 AV |
325 | { |
326 | int **tmp_array = (int **)array; | |
327 | int next; | |
328 | ||
329 | if (curr < (size - 1) && !tmp_array[curr + 1]) { | |
330 | next = curr + 1; | |
331 | } else { | |
332 | int i = 0; | |
333 | ||
334 | while ((i < size) && (tmp_array[i])) | |
335 | i++; | |
336 | if (i == size) | |
337 | next = ICE_NO_VSI; | |
338 | else | |
339 | next = i; | |
340 | } | |
341 | return next; | |
342 | } | |
343 | ||
5153a18e AV |
344 | /** |
345 | * ice_vsi_delete - delete a VSI from the switch | |
346 | * @vsi: pointer to VSI being removed | |
347 | */ | |
348 | void ice_vsi_delete(struct ice_vsi *vsi) | |
349 | { | |
350 | struct ice_pf *pf = vsi->back; | |
351 | struct ice_vsi_ctx ctxt; | |
352 | enum ice_status status; | |
353 | ||
8ede0178 AV |
354 | if (vsi->type == ICE_VSI_VF) |
355 | ctxt.vf_num = vsi->vf_id; | |
5153a18e AV |
356 | ctxt.vsi_num = vsi->vsi_num; |
357 | ||
358 | memcpy(&ctxt.info, &vsi->info, sizeof(struct ice_aqc_vsi_props)); | |
359 | ||
360 | status = ice_free_vsi(&pf->hw, vsi->idx, &ctxt, false, NULL); | |
361 | if (status) | |
362 | dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n", | |
363 | vsi->vsi_num); | |
364 | } | |
365 | ||
07309a0e AV |
366 | /** |
367 | * ice_vsi_free_arrays - clean up VSI resources | |
368 | * @vsi: pointer to VSI being cleared | |
369 | * @free_qvectors: bool to specify if q_vectors should be deallocated | |
370 | */ | |
df0f8479 | 371 | static void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors) |
07309a0e AV |
372 | { |
373 | struct ice_pf *pf = vsi->back; | |
374 | ||
375 | /* free the ring and vector containers */ | |
376 | if (free_qvectors && vsi->q_vectors) { | |
377 | devm_kfree(&pf->pdev->dev, vsi->q_vectors); | |
378 | vsi->q_vectors = NULL; | |
379 | } | |
380 | if (vsi->tx_rings) { | |
381 | devm_kfree(&pf->pdev->dev, vsi->tx_rings); | |
382 | vsi->tx_rings = NULL; | |
383 | } | |
384 | if (vsi->rx_rings) { | |
385 | devm_kfree(&pf->pdev->dev, vsi->rx_rings); | |
386 | vsi->rx_rings = NULL; | |
387 | } | |
388 | } | |
389 | ||
390 | /** | |
391 | * ice_vsi_clear - clean up and deallocate the provided VSI | |
392 | * @vsi: pointer to VSI being cleared | |
393 | * | |
394 | * This deallocates the VSI's queue resources, removes it from the PF's | |
395 | * VSI array if necessary, and deallocates the VSI | |
396 | * | |
397 | * Returns 0 on success, negative on failure | |
398 | */ | |
399 | int ice_vsi_clear(struct ice_vsi *vsi) | |
400 | { | |
401 | struct ice_pf *pf = NULL; | |
402 | ||
403 | if (!vsi) | |
404 | return 0; | |
405 | ||
406 | if (!vsi->back) | |
407 | return -EINVAL; | |
408 | ||
409 | pf = vsi->back; | |
410 | ||
411 | if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) { | |
412 | dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n", | |
413 | vsi->idx); | |
414 | return -EINVAL; | |
415 | } | |
416 | ||
417 | mutex_lock(&pf->sw_mutex); | |
418 | /* updates the PF for this cleared VSI */ | |
419 | ||
420 | pf->vsi[vsi->idx] = NULL; | |
421 | if (vsi->idx < pf->next_vsi) | |
422 | pf->next_vsi = vsi->idx; | |
423 | ||
424 | ice_vsi_free_arrays(vsi, true); | |
425 | mutex_unlock(&pf->sw_mutex); | |
426 | devm_kfree(&pf->pdev->dev, vsi); | |
427 | ||
428 | return 0; | |
429 | } | |
430 | ||
5153a18e AV |
431 | /** |
432 | * ice_msix_clean_rings - MSIX mode Interrupt Handler | |
433 | * @irq: interrupt number | |
434 | * @data: pointer to a q_vector | |
435 | */ | |
f3aaaaaa | 436 | static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data) |
5153a18e AV |
437 | { |
438 | struct ice_q_vector *q_vector = (struct ice_q_vector *)data; | |
439 | ||
440 | if (!q_vector->tx.ring && !q_vector->rx.ring) | |
441 | return IRQ_HANDLED; | |
442 | ||
443 | napi_schedule(&q_vector->napi); | |
444 | ||
445 | return IRQ_HANDLED; | |
446 | } | |
447 | ||
37bb8390 AV |
448 | /** |
449 | * ice_vsi_alloc - Allocates the next available struct VSI in the PF | |
450 | * @pf: board private structure | |
451 | * @type: type of VSI | |
452 | * | |
453 | * returns a pointer to a VSI on success, NULL on failure. | |
454 | */ | |
455 | static struct ice_vsi *ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type) | |
456 | { | |
457 | struct ice_vsi *vsi = NULL; | |
458 | ||
459 | /* Need to protect the allocation of the VSIs at the PF level */ | |
460 | mutex_lock(&pf->sw_mutex); | |
461 | ||
462 | /* If we have already allocated our maximum number of VSIs, | |
463 | * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index | |
464 | * is available to be populated | |
465 | */ | |
466 | if (pf->next_vsi == ICE_NO_VSI) { | |
467 | dev_dbg(&pf->pdev->dev, "out of VSI slots!\n"); | |
468 | goto unlock_pf; | |
469 | } | |
470 | ||
471 | vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL); | |
472 | if (!vsi) | |
473 | goto unlock_pf; | |
474 | ||
475 | vsi->type = type; | |
476 | vsi->back = pf; | |
477 | set_bit(__ICE_DOWN, vsi->state); | |
478 | vsi->idx = pf->next_vsi; | |
479 | vsi->work_lmt = ICE_DFLT_IRQ_WORK; | |
480 | ||
481 | ice_vsi_set_num_qs(vsi); | |
482 | ||
483 | switch (vsi->type) { | |
484 | case ICE_VSI_PF: | |
485 | if (ice_vsi_alloc_arrays(vsi, true)) | |
486 | goto err_rings; | |
487 | ||
488 | /* Setup default MSIX irq handler for VSI */ | |
489 | vsi->irq_handler = ice_msix_clean_rings; | |
490 | break; | |
8ede0178 AV |
491 | case ICE_VSI_VF: |
492 | if (ice_vsi_alloc_arrays(vsi, true)) | |
493 | goto err_rings; | |
494 | break; | |
37bb8390 AV |
495 | default: |
496 | dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type); | |
497 | goto unlock_pf; | |
498 | } | |
499 | ||
500 | /* fill VSI slot in the PF struct */ | |
501 | pf->vsi[pf->next_vsi] = vsi; | |
502 | ||
503 | /* prepare pf->next_vsi for next use */ | |
504 | pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi, | |
505 | pf->next_vsi); | |
506 | goto unlock_pf; | |
507 | ||
508 | err_rings: | |
509 | devm_kfree(&pf->pdev->dev, vsi); | |
510 | vsi = NULL; | |
511 | unlock_pf: | |
512 | mutex_unlock(&pf->sw_mutex); | |
513 | return vsi; | |
514 | } | |
515 | ||
df0f8479 AV |
516 | /** |
517 | * ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI | |
518 | * @vsi: the VSI getting queues | |
519 | * | |
520 | * Return 0 on success and a negative value on error | |
521 | */ | |
522 | static int ice_vsi_get_qs_contig(struct ice_vsi *vsi) | |
523 | { | |
524 | struct ice_pf *pf = vsi->back; | |
525 | int offset, ret = 0; | |
526 | ||
527 | mutex_lock(&pf->avail_q_mutex); | |
528 | /* look for contiguous block of queues for Tx */ | |
529 | offset = bitmap_find_next_zero_area(pf->avail_txqs, ICE_MAX_TXQS, | |
530 | 0, vsi->alloc_txq, 0); | |
531 | if (offset < ICE_MAX_TXQS) { | |
532 | int i; | |
533 | ||
534 | bitmap_set(pf->avail_txqs, offset, vsi->alloc_txq); | |
535 | for (i = 0; i < vsi->alloc_txq; i++) | |
536 | vsi->txq_map[i] = i + offset; | |
537 | } else { | |
538 | ret = -ENOMEM; | |
539 | vsi->tx_mapping_mode = ICE_VSI_MAP_SCATTER; | |
540 | } | |
541 | ||
542 | /* look for contiguous block of queues for Rx */ | |
543 | offset = bitmap_find_next_zero_area(pf->avail_rxqs, ICE_MAX_RXQS, | |
544 | 0, vsi->alloc_rxq, 0); | |
545 | if (offset < ICE_MAX_RXQS) { | |
546 | int i; | |
547 | ||
548 | bitmap_set(pf->avail_rxqs, offset, vsi->alloc_rxq); | |
549 | for (i = 0; i < vsi->alloc_rxq; i++) | |
550 | vsi->rxq_map[i] = i + offset; | |
551 | } else { | |
552 | ret = -ENOMEM; | |
553 | vsi->rx_mapping_mode = ICE_VSI_MAP_SCATTER; | |
554 | } | |
555 | mutex_unlock(&pf->avail_q_mutex); | |
556 | ||
557 | return ret; | |
558 | } | |
559 | ||
560 | /** | |
561 | * ice_vsi_get_qs_scatter - Assign a scattered queues to VSI | |
562 | * @vsi: the VSI getting queues | |
563 | * | |
564 | * Return 0 on success and a negative value on error | |
565 | */ | |
566 | static int ice_vsi_get_qs_scatter(struct ice_vsi *vsi) | |
567 | { | |
568 | struct ice_pf *pf = vsi->back; | |
569 | int i, index = 0; | |
570 | ||
571 | mutex_lock(&pf->avail_q_mutex); | |
572 | ||
573 | if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER) { | |
574 | for (i = 0; i < vsi->alloc_txq; i++) { | |
575 | index = find_next_zero_bit(pf->avail_txqs, | |
576 | ICE_MAX_TXQS, index); | |
577 | if (index < ICE_MAX_TXQS) { | |
578 | set_bit(index, pf->avail_txqs); | |
579 | vsi->txq_map[i] = index; | |
580 | } else { | |
581 | goto err_scatter_tx; | |
582 | } | |
583 | } | |
584 | } | |
585 | ||
586 | if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER) { | |
587 | for (i = 0; i < vsi->alloc_rxq; i++) { | |
588 | index = find_next_zero_bit(pf->avail_rxqs, | |
589 | ICE_MAX_RXQS, index); | |
590 | if (index < ICE_MAX_RXQS) { | |
591 | set_bit(index, pf->avail_rxqs); | |
592 | vsi->rxq_map[i] = index; | |
593 | } else { | |
594 | goto err_scatter_rx; | |
595 | } | |
596 | } | |
597 | } | |
598 | ||
599 | mutex_unlock(&pf->avail_q_mutex); | |
600 | return 0; | |
601 | ||
602 | err_scatter_rx: | |
603 | /* unflag any queues we have grabbed (i is failed position) */ | |
604 | for (index = 0; index < i; index++) { | |
605 | clear_bit(vsi->rxq_map[index], pf->avail_rxqs); | |
606 | vsi->rxq_map[index] = 0; | |
607 | } | |
608 | i = vsi->alloc_txq; | |
609 | err_scatter_tx: | |
610 | /* i is either position of failed attempt or vsi->alloc_txq */ | |
611 | for (index = 0; index < i; index++) { | |
612 | clear_bit(vsi->txq_map[index], pf->avail_txqs); | |
613 | vsi->txq_map[index] = 0; | |
614 | } | |
615 | ||
616 | mutex_unlock(&pf->avail_q_mutex); | |
617 | return -ENOMEM; | |
618 | } | |
619 | ||
620 | /** | |
621 | * ice_vsi_get_qs - Assign queues from PF to VSI | |
622 | * @vsi: the VSI to assign queues to | |
623 | * | |
624 | * Returns 0 on success and a negative value on error | |
625 | */ | |
37bb8390 | 626 | static int ice_vsi_get_qs(struct ice_vsi *vsi) |
df0f8479 AV |
627 | { |
628 | int ret = 0; | |
629 | ||
630 | vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG; | |
631 | vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG; | |
632 | ||
633 | /* NOTE: ice_vsi_get_qs_contig() will set the Rx/Tx mapping | |
634 | * modes individually to scatter if assigning contiguous queues | |
635 | * to Rx or Tx fails | |
636 | */ | |
637 | ret = ice_vsi_get_qs_contig(vsi); | |
638 | if (ret < 0) { | |
639 | if (vsi->tx_mapping_mode == ICE_VSI_MAP_SCATTER) | |
640 | vsi->alloc_txq = max_t(u16, vsi->alloc_txq, | |
641 | ICE_MAX_SCATTER_TXQS); | |
642 | if (vsi->rx_mapping_mode == ICE_VSI_MAP_SCATTER) | |
643 | vsi->alloc_rxq = max_t(u16, vsi->alloc_rxq, | |
644 | ICE_MAX_SCATTER_RXQS); | |
645 | ret = ice_vsi_get_qs_scatter(vsi); | |
646 | } | |
647 | ||
648 | return ret; | |
649 | } | |
650 | ||
5153a18e AV |
651 | /** |
652 | * ice_vsi_put_qs - Release queues from VSI to PF | |
653 | * @vsi: the VSI that is going to release queues | |
654 | */ | |
655 | void ice_vsi_put_qs(struct ice_vsi *vsi) | |
656 | { | |
657 | struct ice_pf *pf = vsi->back; | |
658 | int i; | |
659 | ||
660 | mutex_lock(&pf->avail_q_mutex); | |
661 | ||
662 | for (i = 0; i < vsi->alloc_txq; i++) { | |
663 | clear_bit(vsi->txq_map[i], pf->avail_txqs); | |
664 | vsi->txq_map[i] = ICE_INVAL_Q_INDEX; | |
665 | } | |
666 | ||
667 | for (i = 0; i < vsi->alloc_rxq; i++) { | |
668 | clear_bit(vsi->rxq_map[i], pf->avail_rxqs); | |
669 | vsi->rxq_map[i] = ICE_INVAL_Q_INDEX; | |
670 | } | |
671 | ||
672 | mutex_unlock(&pf->avail_q_mutex); | |
673 | } | |
674 | ||
df0f8479 AV |
675 | /** |
676 | * ice_rss_clean - Delete RSS related VSI structures that hold user inputs | |
677 | * @vsi: the VSI being removed | |
678 | */ | |
679 | static void ice_rss_clean(struct ice_vsi *vsi) | |
680 | { | |
681 | struct ice_pf *pf; | |
682 | ||
683 | pf = vsi->back; | |
684 | ||
685 | if (vsi->rss_hkey_user) | |
686 | devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user); | |
687 | if (vsi->rss_lut_user) | |
688 | devm_kfree(&pf->pdev->dev, vsi->rss_lut_user); | |
689 | } | |
690 | ||
28c2a645 AV |
691 | /** |
692 | * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type | |
693 | * @vsi: the VSI being configured | |
694 | */ | |
37bb8390 | 695 | static void ice_vsi_set_rss_params(struct ice_vsi *vsi) |
28c2a645 AV |
696 | { |
697 | struct ice_hw_common_caps *cap; | |
698 | struct ice_pf *pf = vsi->back; | |
699 | ||
700 | if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { | |
701 | vsi->rss_size = 1; | |
702 | return; | |
703 | } | |
704 | ||
705 | cap = &pf->hw.func_caps.common_cap; | |
706 | switch (vsi->type) { | |
707 | case ICE_VSI_PF: | |
708 | /* PF VSI will inherit RSS instance of PF */ | |
709 | vsi->rss_table_size = cap->rss_table_size; | |
710 | vsi->rss_size = min_t(int, num_online_cpus(), | |
711 | BIT(cap->rss_table_entry_width)); | |
712 | vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF; | |
713 | break; | |
8ede0178 AV |
714 | case ICE_VSI_VF: |
715 | /* VF VSI will gets a small RSS table | |
716 | * For VSI_LUT, LUT size should be set to 64 bytes | |
717 | */ | |
718 | vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE; | |
719 | vsi->rss_size = min_t(int, num_online_cpus(), | |
720 | BIT(cap->rss_table_entry_width)); | |
721 | vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI; | |
722 | break; | |
28c2a645 AV |
723 | default: |
724 | dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", | |
725 | vsi->type); | |
726 | break; | |
727 | } | |
728 | } | |
729 | ||
730 | /** | |
731 | * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI | |
732 | * @ctxt: the VSI context being set | |
733 | * | |
734 | * This initializes a default VSI context for all sections except the Queues. | |
735 | */ | |
736 | static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) | |
737 | { | |
738 | u32 table = 0; | |
739 | ||
740 | memset(&ctxt->info, 0, sizeof(ctxt->info)); | |
741 | /* VSI's should be allocated from shared pool */ | |
742 | ctxt->alloc_from_pool = true; | |
743 | /* Src pruning enabled by default */ | |
744 | ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE; | |
745 | /* Traffic from VSI can be sent to LAN */ | |
746 | ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA; | |
747 | /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy | |
748 | * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all | |
749 | * packets untagged/tagged. | |
750 | */ | |
751 | ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL & | |
752 | ICE_AQ_VSI_VLAN_MODE_M) >> | |
753 | ICE_AQ_VSI_VLAN_MODE_S); | |
754 | /* Have 1:1 UP mapping for both ingress/egress tables */ | |
755 | table |= ICE_UP_TABLE_TRANSLATE(0, 0); | |
756 | table |= ICE_UP_TABLE_TRANSLATE(1, 1); | |
757 | table |= ICE_UP_TABLE_TRANSLATE(2, 2); | |
758 | table |= ICE_UP_TABLE_TRANSLATE(3, 3); | |
759 | table |= ICE_UP_TABLE_TRANSLATE(4, 4); | |
760 | table |= ICE_UP_TABLE_TRANSLATE(5, 5); | |
761 | table |= ICE_UP_TABLE_TRANSLATE(6, 6); | |
762 | table |= ICE_UP_TABLE_TRANSLATE(7, 7); | |
763 | ctxt->info.ingress_table = cpu_to_le32(table); | |
764 | ctxt->info.egress_table = cpu_to_le32(table); | |
765 | /* Have 1:1 UP mapping for outer to inner UP table */ | |
766 | ctxt->info.outer_up_table = cpu_to_le32(table); | |
767 | /* No Outer tag support outer_tag_flags remains to zero */ | |
768 | } | |
769 | ||
770 | /** | |
771 | * ice_vsi_setup_q_map - Setup a VSI queue map | |
772 | * @vsi: the VSI being configured | |
773 | * @ctxt: VSI context structure | |
774 | */ | |
775 | static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) | |
776 | { | |
c5a2a4a3 | 777 | u16 offset = 0, qmap = 0, tx_count = 0; |
28c2a645 AV |
778 | u16 qcount_tx = vsi->alloc_txq; |
779 | u16 qcount_rx = vsi->alloc_rxq; | |
c5a2a4a3 UK |
780 | u16 tx_numq_tc, rx_numq_tc; |
781 | u16 pow = 0, max_rss = 0; | |
28c2a645 | 782 | bool ena_tc0 = false; |
c5a2a4a3 | 783 | u8 netdev_tc = 0; |
28c2a645 AV |
784 | int i; |
785 | ||
786 | /* at least TC0 should be enabled by default */ | |
787 | if (vsi->tc_cfg.numtc) { | |
788 | if (!(vsi->tc_cfg.ena_tc & BIT(0))) | |
789 | ena_tc0 = true; | |
790 | } else { | |
791 | ena_tc0 = true; | |
792 | } | |
793 | ||
794 | if (ena_tc0) { | |
795 | vsi->tc_cfg.numtc++; | |
796 | vsi->tc_cfg.ena_tc |= 1; | |
797 | } | |
798 | ||
c5a2a4a3 UK |
799 | rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; |
800 | if (!rx_numq_tc) | |
801 | rx_numq_tc = 1; | |
802 | tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; | |
803 | if (!tx_numq_tc) | |
804 | tx_numq_tc = 1; | |
28c2a645 AV |
805 | |
806 | /* TC mapping is a function of the number of Rx queues assigned to the | |
807 | * VSI for each traffic class and the offset of these queues. | |
808 | * The first 10 bits are for queue offset for TC0, next 4 bits for no:of | |
809 | * queues allocated to TC0. No:of queues is a power-of-2. | |
810 | * | |
811 | * If TC is not enabled, the queue offset is set to 0, and allocate one | |
812 | * queue, this way, traffic for the given TC will be sent to the default | |
813 | * queue. | |
814 | * | |
815 | * Setup number and offset of Rx queues for all TCs for the VSI | |
816 | */ | |
817 | ||
c5a2a4a3 UK |
818 | qcount_rx = rx_numq_tc; |
819 | ||
28c2a645 AV |
820 | /* qcount will change if RSS is enabled */ |
821 | if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { | |
8ede0178 AV |
822 | if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { |
823 | if (vsi->type == ICE_VSI_PF) | |
824 | max_rss = ICE_MAX_LG_RSS_QS; | |
825 | else | |
826 | max_rss = ICE_MAX_SMALL_RSS_QS; | |
c5a2a4a3 UK |
827 | qcount_rx = min_t(int, rx_numq_tc, max_rss); |
828 | qcount_rx = min_t(int, qcount_rx, vsi->rss_size); | |
8ede0178 | 829 | } |
28c2a645 AV |
830 | } |
831 | ||
832 | /* find the (rounded up) power-of-2 of qcount */ | |
c5a2a4a3 | 833 | pow = order_base_2(qcount_rx); |
28c2a645 AV |
834 | |
835 | for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) { | |
836 | if (!(vsi->tc_cfg.ena_tc & BIT(i))) { | |
837 | /* TC is not enabled */ | |
838 | vsi->tc_cfg.tc_info[i].qoffset = 0; | |
c5a2a4a3 UK |
839 | vsi->tc_cfg.tc_info[i].qcount_rx = 1; |
840 | vsi->tc_cfg.tc_info[i].qcount_tx = 1; | |
841 | vsi->tc_cfg.tc_info[i].netdev_tc = 0; | |
28c2a645 AV |
842 | ctxt->info.tc_mapping[i] = 0; |
843 | continue; | |
844 | } | |
845 | ||
846 | /* TC is enabled */ | |
847 | vsi->tc_cfg.tc_info[i].qoffset = offset; | |
c5a2a4a3 UK |
848 | vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; |
849 | vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; | |
850 | vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; | |
28c2a645 AV |
851 | |
852 | qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & | |
853 | ICE_AQ_VSI_TC_Q_OFFSET_M) | | |
854 | ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & | |
855 | ICE_AQ_VSI_TC_Q_NUM_M); | |
c5a2a4a3 UK |
856 | offset += qcount_rx; |
857 | tx_count += tx_numq_tc; | |
28c2a645 AV |
858 | ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); |
859 | } | |
28c2a645 | 860 | vsi->num_rxq = offset; |
c5a2a4a3 | 861 | vsi->num_txq = tx_count; |
28c2a645 | 862 | |
8ede0178 AV |
863 | if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { |
864 | dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); | |
865 | /* since there is a chance that num_rxq could have been changed | |
866 | * in the above for loop, make num_txq equal to num_rxq. | |
867 | */ | |
868 | vsi->num_txq = vsi->num_rxq; | |
869 | } | |
870 | ||
28c2a645 AV |
871 | /* Rx queue mapping */ |
872 | ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG); | |
873 | /* q_mapping buffer holds the info for the first queue allocated for | |
874 | * this VSI in the PF space and also the number of queues associated | |
875 | * with this VSI. | |
876 | */ | |
877 | ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]); | |
878 | ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq); | |
879 | } | |
880 | ||
881 | /** | |
882 | * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI | |
883 | * @ctxt: the VSI context being set | |
884 | * @vsi: the VSI being configured | |
885 | */ | |
886 | static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi) | |
887 | { | |
888 | u8 lut_type, hash_type; | |
889 | ||
890 | switch (vsi->type) { | |
891 | case ICE_VSI_PF: | |
892 | /* PF VSI will inherit RSS instance of PF */ | |
893 | lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF; | |
894 | hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; | |
895 | break; | |
8ede0178 AV |
896 | case ICE_VSI_VF: |
897 | /* VF VSI will gets a small RSS table which is a VSI LUT type */ | |
898 | lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI; | |
899 | hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ; | |
900 | break; | |
28c2a645 AV |
901 | default: |
902 | dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", | |
903 | vsi->type); | |
904 | return; | |
905 | } | |
906 | ||
907 | ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) & | |
908 | ICE_AQ_VSI_Q_OPT_RSS_LUT_M) | | |
909 | ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) & | |
910 | ICE_AQ_VSI_Q_OPT_RSS_HASH_M); | |
911 | } | |
912 | ||
913 | /** | |
914 | * ice_vsi_init - Create and initialize a VSI | |
915 | * @vsi: the VSI being configured | |
916 | * | |
917 | * This initializes a VSI context depending on the VSI type to be added and | |
918 | * passes it down to the add_vsi aq command to create a new VSI. | |
919 | */ | |
37bb8390 | 920 | static int ice_vsi_init(struct ice_vsi *vsi) |
28c2a645 AV |
921 | { |
922 | struct ice_vsi_ctx ctxt = { 0 }; | |
923 | struct ice_pf *pf = vsi->back; | |
924 | struct ice_hw *hw = &pf->hw; | |
925 | int ret = 0; | |
926 | ||
927 | switch (vsi->type) { | |
928 | case ICE_VSI_PF: | |
929 | ctxt.flags = ICE_AQ_VSI_TYPE_PF; | |
930 | break; | |
8ede0178 AV |
931 | case ICE_VSI_VF: |
932 | ctxt.flags = ICE_AQ_VSI_TYPE_VF; | |
933 | /* VF number here is the absolute VF number (0-255) */ | |
934 | ctxt.vf_num = vsi->vf_id + hw->func_caps.vf_base_id; | |
935 | break; | |
28c2a645 AV |
936 | default: |
937 | return -ENODEV; | |
938 | } | |
939 | ||
940 | ice_set_dflt_vsi_ctx(&ctxt); | |
941 | /* if the switch is in VEB mode, allow VSI loopback */ | |
942 | if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB) | |
943 | ctxt.info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB; | |
944 | ||
945 | /* Set LUT type and HASH type if RSS is enabled */ | |
946 | if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) | |
947 | ice_set_rss_vsi_ctx(&ctxt, vsi); | |
948 | ||
949 | ctxt.info.sw_id = vsi->port_info->sw_id; | |
950 | ice_vsi_setup_q_map(vsi, &ctxt); | |
951 | ||
952 | ret = ice_add_vsi(hw, vsi->idx, &ctxt, NULL); | |
953 | if (ret) { | |
954 | dev_err(&pf->pdev->dev, | |
955 | "Add VSI failed, err %d\n", ret); | |
956 | return -EIO; | |
957 | } | |
958 | ||
959 | /* keep context for update VSI operations */ | |
960 | vsi->info = ctxt.info; | |
961 | ||
962 | /* record VSI number returned */ | |
963 | vsi->vsi_num = ctxt.vsi_num; | |
964 | ||
965 | return ret; | |
966 | } | |
967 | ||
df0f8479 AV |
968 | /** |
969 | * ice_free_q_vector - Free memory allocated for a specific interrupt vector | |
970 | * @vsi: VSI having the memory freed | |
971 | * @v_idx: index of the vector to be freed | |
972 | */ | |
973 | static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx) | |
974 | { | |
975 | struct ice_q_vector *q_vector; | |
976 | struct ice_ring *ring; | |
977 | ||
978 | if (!vsi->q_vectors[v_idx]) { | |
979 | dev_dbg(&vsi->back->pdev->dev, "Queue vector at index %d not found\n", | |
980 | v_idx); | |
981 | return; | |
982 | } | |
983 | q_vector = vsi->q_vectors[v_idx]; | |
984 | ||
985 | ice_for_each_ring(ring, q_vector->tx) | |
986 | ring->q_vector = NULL; | |
987 | ice_for_each_ring(ring, q_vector->rx) | |
988 | ring->q_vector = NULL; | |
989 | ||
990 | /* only VSI with an associated netdev is set up with NAPI */ | |
991 | if (vsi->netdev) | |
992 | netif_napi_del(&q_vector->napi); | |
993 | ||
994 | devm_kfree(&vsi->back->pdev->dev, q_vector); | |
995 | vsi->q_vectors[v_idx] = NULL; | |
996 | } | |
997 | ||
998 | /** | |
999 | * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors | |
1000 | * @vsi: the VSI having memory freed | |
1001 | */ | |
1002 | void ice_vsi_free_q_vectors(struct ice_vsi *vsi) | |
1003 | { | |
1004 | int v_idx; | |
1005 | ||
1006 | for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) | |
1007 | ice_free_q_vector(vsi, v_idx); | |
1008 | } | |
1009 | ||
1010 | /** | |
1011 | * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector | |
1012 | * @vsi: the VSI being configured | |
1013 | * @v_idx: index of the vector in the VSI struct | |
1014 | * | |
df17b7e0 | 1015 | * We allocate one q_vector. If allocation fails we return -ENOMEM. |
df0f8479 AV |
1016 | */ |
1017 | static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx) | |
1018 | { | |
1019 | struct ice_pf *pf = vsi->back; | |
1020 | struct ice_q_vector *q_vector; | |
1021 | ||
1022 | /* allocate q_vector */ | |
1023 | q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL); | |
1024 | if (!q_vector) | |
1025 | return -ENOMEM; | |
1026 | ||
1027 | q_vector->vsi = vsi; | |
1028 | q_vector->v_idx = v_idx; | |
8ede0178 AV |
1029 | if (vsi->type == ICE_VSI_VF) |
1030 | goto out; | |
df0f8479 AV |
1031 | /* only set affinity_mask if the CPU is online */ |
1032 | if (cpu_online(v_idx)) | |
1033 | cpumask_set_cpu(v_idx, &q_vector->affinity_mask); | |
1034 | ||
1035 | /* This will not be called in the driver load path because the netdev | |
1036 | * will not be created yet. All other cases with register the NAPI | |
1037 | * handler here (i.e. resume, reset/rebuild, etc.) | |
1038 | */ | |
1039 | if (vsi->netdev) | |
1040 | netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll, | |
1041 | NAPI_POLL_WEIGHT); | |
1042 | ||
8ede0178 | 1043 | out: |
df0f8479 AV |
1044 | /* tie q_vector and VSI together */ |
1045 | vsi->q_vectors[v_idx] = q_vector; | |
1046 | ||
1047 | return 0; | |
1048 | } | |
1049 | ||
1050 | /** | |
1051 | * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors | |
1052 | * @vsi: the VSI being configured | |
1053 | * | |
df17b7e0 | 1054 | * We allocate one q_vector per queue interrupt. If allocation fails we |
df0f8479 AV |
1055 | * return -ENOMEM. |
1056 | */ | |
37bb8390 | 1057 | static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi) |
df0f8479 AV |
1058 | { |
1059 | struct ice_pf *pf = vsi->back; | |
1060 | int v_idx = 0, num_q_vectors; | |
1061 | int err; | |
1062 | ||
1063 | if (vsi->q_vectors[0]) { | |
1064 | dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n", | |
1065 | vsi->vsi_num); | |
1066 | return -EEXIST; | |
1067 | } | |
1068 | ||
1069 | if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { | |
1070 | num_q_vectors = vsi->num_q_vectors; | |
1071 | } else { | |
1072 | err = -EINVAL; | |
1073 | goto err_out; | |
1074 | } | |
1075 | ||
1076 | for (v_idx = 0; v_idx < num_q_vectors; v_idx++) { | |
1077 | err = ice_vsi_alloc_q_vector(vsi, v_idx); | |
1078 | if (err) | |
1079 | goto err_out; | |
1080 | } | |
1081 | ||
1082 | return 0; | |
1083 | ||
1084 | err_out: | |
1085 | while (v_idx--) | |
1086 | ice_free_q_vector(vsi, v_idx); | |
1087 | ||
1088 | dev_err(&pf->pdev->dev, | |
1089 | "Failed to allocate %d q_vector for VSI %d, ret=%d\n", | |
1090 | vsi->num_q_vectors, vsi->vsi_num, err); | |
1091 | vsi->num_q_vectors = 0; | |
1092 | return err; | |
1093 | } | |
1094 | ||
1095 | /** | |
1096 | * ice_vsi_setup_vector_base - Set up the base vector for the given VSI | |
1097 | * @vsi: ptr to the VSI | |
1098 | * | |
1099 | * This should only be called after ice_vsi_alloc() which allocates the | |
1100 | * corresponding SW VSI structure and initializes num_queue_pairs for the | |
1101 | * newly allocated VSI. | |
1102 | * | |
1103 | * Returns 0 on success or negative on failure | |
1104 | */ | |
37bb8390 | 1105 | static int ice_vsi_setup_vector_base(struct ice_vsi *vsi) |
df0f8479 AV |
1106 | { |
1107 | struct ice_pf *pf = vsi->back; | |
1108 | int num_q_vectors = 0; | |
1109 | ||
eb0208ec PB |
1110 | if (vsi->sw_base_vector || vsi->hw_base_vector) { |
1111 | dev_dbg(&pf->pdev->dev, "VSI %d has non-zero HW base vector %d or SW base vector %d\n", | |
1112 | vsi->vsi_num, vsi->hw_base_vector, vsi->sw_base_vector); | |
df0f8479 AV |
1113 | return -EEXIST; |
1114 | } | |
1115 | ||
1116 | if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) | |
1117 | return -ENOENT; | |
1118 | ||
1119 | switch (vsi->type) { | |
1120 | case ICE_VSI_PF: | |
1121 | num_q_vectors = vsi->num_q_vectors; | |
eb0208ec PB |
1122 | /* reserve slots from OS requested IRQs */ |
1123 | vsi->sw_base_vector = ice_get_res(pf, pf->sw_irq_tracker, | |
1124 | num_q_vectors, vsi->idx); | |
1125 | if (vsi->sw_base_vector < 0) { | |
1126 | dev_err(&pf->pdev->dev, | |
1127 | "Failed to get tracking for %d SW vectors for VSI %d, err=%d\n", | |
1128 | num_q_vectors, vsi->vsi_num, | |
1129 | vsi->sw_base_vector); | |
1130 | return -ENOENT; | |
1131 | } | |
1132 | pf->num_avail_sw_msix -= num_q_vectors; | |
1133 | ||
1134 | /* reserve slots from HW interrupts */ | |
1135 | vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker, | |
1136 | num_q_vectors, vsi->idx); | |
df0f8479 | 1137 | break; |
8ede0178 AV |
1138 | case ICE_VSI_VF: |
1139 | /* take VF misc vector and data vectors into account */ | |
1140 | num_q_vectors = pf->num_vf_msix; | |
1141 | /* For VF VSI, reserve slots only from HW interrupts */ | |
1142 | vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker, | |
1143 | num_q_vectors, vsi->idx); | |
1144 | break; | |
df0f8479 AV |
1145 | default: |
1146 | dev_warn(&vsi->back->pdev->dev, "Unknown VSI type %d\n", | |
1147 | vsi->type); | |
1148 | break; | |
1149 | } | |
1150 | ||
eb0208ec | 1151 | if (vsi->hw_base_vector < 0) { |
df0f8479 | 1152 | dev_err(&pf->pdev->dev, |
eb0208ec PB |
1153 | "Failed to get tracking for %d HW vectors for VSI %d, err=%d\n", |
1154 | num_q_vectors, vsi->vsi_num, vsi->hw_base_vector); | |
8ede0178 AV |
1155 | if (vsi->type != ICE_VSI_VF) { |
1156 | ice_free_res(vsi->back->sw_irq_tracker, | |
1157 | vsi->sw_base_vector, vsi->idx); | |
1158 | pf->num_avail_sw_msix += num_q_vectors; | |
1159 | } | |
df0f8479 AV |
1160 | return -ENOENT; |
1161 | } | |
1162 | ||
eb0208ec PB |
1163 | pf->num_avail_hw_msix -= num_q_vectors; |
1164 | ||
df0f8479 AV |
1165 | return 0; |
1166 | } | |
1167 | ||
28c2a645 AV |
1168 | /** |
1169 | * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI | |
1170 | * @vsi: the VSI having rings deallocated | |
1171 | */ | |
df0f8479 | 1172 | static void ice_vsi_clear_rings(struct ice_vsi *vsi) |
28c2a645 AV |
1173 | { |
1174 | int i; | |
1175 | ||
1176 | if (vsi->tx_rings) { | |
1177 | for (i = 0; i < vsi->alloc_txq; i++) { | |
1178 | if (vsi->tx_rings[i]) { | |
1179 | kfree_rcu(vsi->tx_rings[i], rcu); | |
1180 | vsi->tx_rings[i] = NULL; | |
1181 | } | |
1182 | } | |
1183 | } | |
1184 | if (vsi->rx_rings) { | |
1185 | for (i = 0; i < vsi->alloc_rxq; i++) { | |
1186 | if (vsi->rx_rings[i]) { | |
1187 | kfree_rcu(vsi->rx_rings[i], rcu); | |
1188 | vsi->rx_rings[i] = NULL; | |
1189 | } | |
1190 | } | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | /** | |
1195 | * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI | |
1196 | * @vsi: VSI which is having rings allocated | |
1197 | */ | |
37bb8390 | 1198 | static int ice_vsi_alloc_rings(struct ice_vsi *vsi) |
28c2a645 AV |
1199 | { |
1200 | struct ice_pf *pf = vsi->back; | |
1201 | int i; | |
1202 | ||
d337f2af | 1203 | /* Allocate Tx rings */ |
28c2a645 AV |
1204 | for (i = 0; i < vsi->alloc_txq; i++) { |
1205 | struct ice_ring *ring; | |
1206 | ||
1207 | /* allocate with kzalloc(), free with kfree_rcu() */ | |
1208 | ring = kzalloc(sizeof(*ring), GFP_KERNEL); | |
1209 | ||
1210 | if (!ring) | |
1211 | goto err_out; | |
1212 | ||
1213 | ring->q_index = i; | |
1214 | ring->reg_idx = vsi->txq_map[i]; | |
1215 | ring->ring_active = false; | |
1216 | ring->vsi = vsi; | |
1217 | ring->dev = &pf->pdev->dev; | |
1218 | ring->count = vsi->num_desc; | |
1219 | vsi->tx_rings[i] = ring; | |
1220 | } | |
1221 | ||
d337f2af | 1222 | /* Allocate Rx rings */ |
28c2a645 AV |
1223 | for (i = 0; i < vsi->alloc_rxq; i++) { |
1224 | struct ice_ring *ring; | |
1225 | ||
1226 | /* allocate with kzalloc(), free with kfree_rcu() */ | |
1227 | ring = kzalloc(sizeof(*ring), GFP_KERNEL); | |
1228 | if (!ring) | |
1229 | goto err_out; | |
1230 | ||
1231 | ring->q_index = i; | |
1232 | ring->reg_idx = vsi->rxq_map[i]; | |
1233 | ring->ring_active = false; | |
1234 | ring->vsi = vsi; | |
1235 | ring->netdev = vsi->netdev; | |
1236 | ring->dev = &pf->pdev->dev; | |
1237 | ring->count = vsi->num_desc; | |
1238 | vsi->rx_rings[i] = ring; | |
1239 | } | |
1240 | ||
1241 | return 0; | |
1242 | ||
1243 | err_out: | |
1244 | ice_vsi_clear_rings(vsi); | |
1245 | return -ENOMEM; | |
1246 | } | |
1247 | ||
07309a0e AV |
1248 | /** |
1249 | * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors | |
1250 | * @vsi: the VSI being configured | |
1251 | * | |
1252 | * This function maps descriptor rings to the queue-specific vectors allotted | |
1253 | * through the MSI-X enabling code. On a constrained vector budget, we map Tx | |
1254 | * and Rx rings to the vector as "efficiently" as possible. | |
1255 | */ | |
37bb8390 | 1256 | static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi) |
07309a0e AV |
1257 | { |
1258 | int q_vectors = vsi->num_q_vectors; | |
1259 | int tx_rings_rem, rx_rings_rem; | |
1260 | int v_id; | |
1261 | ||
1262 | /* initially assigning remaining rings count to VSIs num queue value */ | |
1263 | tx_rings_rem = vsi->num_txq; | |
1264 | rx_rings_rem = vsi->num_rxq; | |
1265 | ||
1266 | for (v_id = 0; v_id < q_vectors; v_id++) { | |
1267 | struct ice_q_vector *q_vector = vsi->q_vectors[v_id]; | |
1268 | int tx_rings_per_v, rx_rings_per_v, q_id, q_base; | |
1269 | ||
1270 | /* Tx rings mapping to vector */ | |
1271 | tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id); | |
1272 | q_vector->num_ring_tx = tx_rings_per_v; | |
1273 | q_vector->tx.ring = NULL; | |
d2b464a7 | 1274 | q_vector->tx.itr_idx = ICE_TX_ITR; |
07309a0e AV |
1275 | q_base = vsi->num_txq - tx_rings_rem; |
1276 | ||
1277 | for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) { | |
1278 | struct ice_ring *tx_ring = vsi->tx_rings[q_id]; | |
1279 | ||
1280 | tx_ring->q_vector = q_vector; | |
1281 | tx_ring->next = q_vector->tx.ring; | |
1282 | q_vector->tx.ring = tx_ring; | |
1283 | } | |
1284 | tx_rings_rem -= tx_rings_per_v; | |
1285 | ||
1286 | /* Rx rings mapping to vector */ | |
1287 | rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id); | |
1288 | q_vector->num_ring_rx = rx_rings_per_v; | |
1289 | q_vector->rx.ring = NULL; | |
d2b464a7 | 1290 | q_vector->rx.itr_idx = ICE_RX_ITR; |
07309a0e AV |
1291 | q_base = vsi->num_rxq - rx_rings_rem; |
1292 | ||
1293 | for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) { | |
1294 | struct ice_ring *rx_ring = vsi->rx_rings[q_id]; | |
1295 | ||
1296 | rx_ring->q_vector = q_vector; | |
1297 | rx_ring->next = q_vector->rx.ring; | |
1298 | q_vector->rx.ring = rx_ring; | |
1299 | } | |
1300 | rx_rings_rem -= rx_rings_per_v; | |
1301 | } | |
1302 | } | |
1303 | ||
492af0ab MFIP |
1304 | /** |
1305 | * ice_vsi_manage_rss_lut - disable/enable RSS | |
1306 | * @vsi: the VSI being changed | |
1307 | * @ena: boolean value indicating if this is an enable or disable request | |
1308 | * | |
1309 | * In the event of disable request for RSS, this function will zero out RSS | |
1310 | * LUT, while in the event of enable request for RSS, it will reconfigure RSS | |
1311 | * LUT. | |
1312 | */ | |
1313 | int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena) | |
1314 | { | |
1315 | int err = 0; | |
1316 | u8 *lut; | |
1317 | ||
1318 | lut = devm_kzalloc(&vsi->back->pdev->dev, vsi->rss_table_size, | |
1319 | GFP_KERNEL); | |
1320 | if (!lut) | |
1321 | return -ENOMEM; | |
1322 | ||
1323 | if (ena) { | |
1324 | if (vsi->rss_lut_user) | |
1325 | memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); | |
1326 | else | |
1327 | ice_fill_rss_lut(lut, vsi->rss_table_size, | |
1328 | vsi->rss_size); | |
1329 | } | |
1330 | ||
1331 | err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size); | |
1332 | devm_kfree(&vsi->back->pdev->dev, lut); | |
1333 | return err; | |
1334 | } | |
1335 | ||
37bb8390 AV |
1336 | /** |
1337 | * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI | |
1338 | * @vsi: VSI to be configured | |
1339 | */ | |
1340 | static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi) | |
1341 | { | |
1342 | u8 seed[ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE]; | |
1343 | struct ice_aqc_get_set_rss_keys *key; | |
1344 | struct ice_pf *pf = vsi->back; | |
1345 | enum ice_status status; | |
1346 | int err = 0; | |
1347 | u8 *lut; | |
1348 | ||
1349 | vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq); | |
1350 | ||
1351 | lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL); | |
1352 | if (!lut) | |
1353 | return -ENOMEM; | |
1354 | ||
1355 | if (vsi->rss_lut_user) | |
1356 | memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size); | |
1357 | else | |
1358 | ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); | |
1359 | ||
4fb33f31 AV |
1360 | status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut, |
1361 | vsi->rss_table_size); | |
37bb8390 AV |
1362 | |
1363 | if (status) { | |
1364 | dev_err(&vsi->back->pdev->dev, | |
1365 | "set_rss_lut failed, error %d\n", status); | |
1366 | err = -EIO; | |
1367 | goto ice_vsi_cfg_rss_exit; | |
1368 | } | |
1369 | ||
1370 | key = devm_kzalloc(&vsi->back->pdev->dev, sizeof(*key), GFP_KERNEL); | |
1371 | if (!key) { | |
1372 | err = -ENOMEM; | |
1373 | goto ice_vsi_cfg_rss_exit; | |
1374 | } | |
1375 | ||
1376 | if (vsi->rss_hkey_user) | |
1377 | memcpy(seed, vsi->rss_hkey_user, | |
1378 | ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); | |
1379 | else | |
1380 | netdev_rss_key_fill((void *)seed, | |
1381 | ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); | |
1382 | memcpy(&key->standard_rss_key, seed, | |
1383 | ICE_AQC_GET_SET_RSS_KEY_DATA_RSS_KEY_SIZE); | |
1384 | ||
4fb33f31 | 1385 | status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key); |
37bb8390 AV |
1386 | |
1387 | if (status) { | |
1388 | dev_err(&vsi->back->pdev->dev, "set_rss_key failed, error %d\n", | |
1389 | status); | |
1390 | err = -EIO; | |
1391 | } | |
1392 | ||
1393 | devm_kfree(&pf->pdev->dev, key); | |
1394 | ice_vsi_cfg_rss_exit: | |
1395 | devm_kfree(&pf->pdev->dev, lut); | |
1396 | return err; | |
1397 | } | |
1398 | ||
45d3d428 AV |
1399 | /** |
1400 | * ice_add_mac_to_list - Add a mac address filter entry to the list | |
1401 | * @vsi: the VSI to be forwarded to | |
1402 | * @add_list: pointer to the list which contains MAC filter entries | |
1403 | * @macaddr: the MAC address to be added. | |
1404 | * | |
1405 | * Adds mac address filter entry to the temp list | |
1406 | * | |
1407 | * Returns 0 on success or ENOMEM on failure. | |
1408 | */ | |
1409 | int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list, | |
1410 | const u8 *macaddr) | |
1411 | { | |
1412 | struct ice_fltr_list_entry *tmp; | |
1413 | struct ice_pf *pf = vsi->back; | |
1414 | ||
1415 | tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC); | |
1416 | if (!tmp) | |
1417 | return -ENOMEM; | |
1418 | ||
1419 | tmp->fltr_info.flag = ICE_FLTR_TX; | |
5726ca0e | 1420 | tmp->fltr_info.src_id = ICE_SRC_ID_VSI; |
45d3d428 AV |
1421 | tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC; |
1422 | tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; | |
5726ca0e | 1423 | tmp->fltr_info.vsi_handle = vsi->idx; |
45d3d428 AV |
1424 | ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr); |
1425 | ||
1426 | INIT_LIST_HEAD(&tmp->list_entry); | |
1427 | list_add(&tmp->list_entry, add_list); | |
1428 | ||
1429 | return 0; | |
1430 | } | |
1431 | ||
1432 | /** | |
1433 | * ice_update_eth_stats - Update VSI-specific ethernet statistics counters | |
1434 | * @vsi: the VSI to be updated | |
1435 | */ | |
1436 | void ice_update_eth_stats(struct ice_vsi *vsi) | |
1437 | { | |
1438 | struct ice_eth_stats *prev_es, *cur_es; | |
1439 | struct ice_hw *hw = &vsi->back->hw; | |
1440 | u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */ | |
1441 | ||
1442 | prev_es = &vsi->eth_stats_prev; | |
1443 | cur_es = &vsi->eth_stats; | |
1444 | ||
1445 | ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num), | |
1446 | vsi->stat_offsets_loaded, &prev_es->rx_bytes, | |
1447 | &cur_es->rx_bytes); | |
1448 | ||
1449 | ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num), | |
1450 | vsi->stat_offsets_loaded, &prev_es->rx_unicast, | |
1451 | &cur_es->rx_unicast); | |
1452 | ||
1453 | ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num), | |
1454 | vsi->stat_offsets_loaded, &prev_es->rx_multicast, | |
1455 | &cur_es->rx_multicast); | |
1456 | ||
1457 | ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num), | |
1458 | vsi->stat_offsets_loaded, &prev_es->rx_broadcast, | |
1459 | &cur_es->rx_broadcast); | |
1460 | ||
1461 | ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded, | |
1462 | &prev_es->rx_discards, &cur_es->rx_discards); | |
1463 | ||
1464 | ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num), | |
1465 | vsi->stat_offsets_loaded, &prev_es->tx_bytes, | |
1466 | &cur_es->tx_bytes); | |
1467 | ||
1468 | ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num), | |
1469 | vsi->stat_offsets_loaded, &prev_es->tx_unicast, | |
1470 | &cur_es->tx_unicast); | |
1471 | ||
1472 | ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num), | |
1473 | vsi->stat_offsets_loaded, &prev_es->tx_multicast, | |
1474 | &cur_es->tx_multicast); | |
1475 | ||
1476 | ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num), | |
1477 | vsi->stat_offsets_loaded, &prev_es->tx_broadcast, | |
1478 | &cur_es->tx_broadcast); | |
1479 | ||
1480 | ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded, | |
1481 | &prev_es->tx_errors, &cur_es->tx_errors); | |
1482 | ||
1483 | vsi->stat_offsets_loaded = true; | |
1484 | } | |
1485 | ||
1486 | /** | |
1487 | * ice_free_fltr_list - free filter lists helper | |
1488 | * @dev: pointer to the device struct | |
1489 | * @h: pointer to the list head to be freed | |
1490 | * | |
1491 | * Helper function to free filter lists previously created using | |
1492 | * ice_add_mac_to_list | |
1493 | */ | |
1494 | void ice_free_fltr_list(struct device *dev, struct list_head *h) | |
1495 | { | |
1496 | struct ice_fltr_list_entry *e, *tmp; | |
1497 | ||
1498 | list_for_each_entry_safe(e, tmp, h, list_entry) { | |
1499 | list_del(&e->list_entry); | |
1500 | devm_kfree(dev, e); | |
1501 | } | |
1502 | } | |
1503 | ||
1504 | /** | |
1505 | * ice_vsi_add_vlan - Add VSI membership for given VLAN | |
1506 | * @vsi: the VSI being configured | |
1507 | * @vid: VLAN id to be added | |
1508 | */ | |
1509 | int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid) | |
1510 | { | |
1511 | struct ice_fltr_list_entry *tmp; | |
1512 | struct ice_pf *pf = vsi->back; | |
1513 | LIST_HEAD(tmp_add_list); | |
1514 | enum ice_status status; | |
1515 | int err = 0; | |
1516 | ||
1517 | tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL); | |
1518 | if (!tmp) | |
1519 | return -ENOMEM; | |
1520 | ||
1521 | tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; | |
1522 | tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI; | |
1523 | tmp->fltr_info.flag = ICE_FLTR_TX; | |
5726ca0e AV |
1524 | tmp->fltr_info.src_id = ICE_SRC_ID_VSI; |
1525 | tmp->fltr_info.vsi_handle = vsi->idx; | |
45d3d428 AV |
1526 | tmp->fltr_info.l_data.vlan.vlan_id = vid; |
1527 | ||
1528 | INIT_LIST_HEAD(&tmp->list_entry); | |
1529 | list_add(&tmp->list_entry, &tmp_add_list); | |
1530 | ||
1531 | status = ice_add_vlan(&pf->hw, &tmp_add_list); | |
1532 | if (status) { | |
1533 | err = -ENODEV; | |
1534 | dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n", | |
1535 | vid, vsi->vsi_num); | |
1536 | } | |
1537 | ||
1538 | ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); | |
1539 | return err; | |
1540 | } | |
1541 | ||
1542 | /** | |
1543 | * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN | |
1544 | * @vsi: the VSI being configured | |
1545 | * @vid: VLAN id to be removed | |
1546 | * | |
1547 | * Returns 0 on success and negative on failure | |
1548 | */ | |
1549 | int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid) | |
1550 | { | |
1551 | struct ice_fltr_list_entry *list; | |
1552 | struct ice_pf *pf = vsi->back; | |
1553 | LIST_HEAD(tmp_add_list); | |
1554 | int status = 0; | |
1555 | ||
1556 | list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL); | |
1557 | if (!list) | |
1558 | return -ENOMEM; | |
1559 | ||
1560 | list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN; | |
5726ca0e | 1561 | list->fltr_info.vsi_handle = vsi->idx; |
45d3d428 AV |
1562 | list->fltr_info.fltr_act = ICE_FWD_TO_VSI; |
1563 | list->fltr_info.l_data.vlan.vlan_id = vid; | |
1564 | list->fltr_info.flag = ICE_FLTR_TX; | |
5726ca0e | 1565 | list->fltr_info.src_id = ICE_SRC_ID_VSI; |
45d3d428 AV |
1566 | |
1567 | INIT_LIST_HEAD(&list->list_entry); | |
1568 | list_add(&list->list_entry, &tmp_add_list); | |
1569 | ||
1570 | if (ice_remove_vlan(&pf->hw, &tmp_add_list)) { | |
1571 | dev_err(&pf->pdev->dev, "Error removing VLAN %d on vsi %i\n", | |
1572 | vid, vsi->vsi_num); | |
1573 | status = -EIO; | |
1574 | } | |
1575 | ||
1576 | ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list); | |
1577 | return status; | |
1578 | } | |
1579 | ||
72adf242 AV |
1580 | /** |
1581 | * ice_vsi_cfg_rxqs - Configure the VSI for Rx | |
1582 | * @vsi: the VSI being configured | |
1583 | * | |
1584 | * Return 0 on success and a negative value on error | |
1585 | * Configure the Rx VSI for operation. | |
1586 | */ | |
1587 | int ice_vsi_cfg_rxqs(struct ice_vsi *vsi) | |
1588 | { | |
1589 | int err = 0; | |
1590 | u16 i; | |
1591 | ||
8ede0178 AV |
1592 | if (vsi->type == ICE_VSI_VF) |
1593 | goto setup_rings; | |
1594 | ||
72adf242 AV |
1595 | if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN) |
1596 | vsi->max_frame = vsi->netdev->mtu + | |
1597 | ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN; | |
1598 | else | |
1599 | vsi->max_frame = ICE_RXBUF_2048; | |
1600 | ||
1601 | vsi->rx_buf_len = ICE_RXBUF_2048; | |
8ede0178 | 1602 | setup_rings: |
72adf242 AV |
1603 | /* set up individual rings */ |
1604 | for (i = 0; i < vsi->num_rxq && !err; i++) | |
1605 | err = ice_setup_rx_ctx(vsi->rx_rings[i]); | |
1606 | ||
1607 | if (err) { | |
1608 | dev_err(&vsi->back->pdev->dev, "ice_setup_rx_ctx failed\n"); | |
1609 | return -EIO; | |
1610 | } | |
1611 | return err; | |
1612 | } | |
1613 | ||
1614 | /** | |
1615 | * ice_vsi_cfg_txqs - Configure the VSI for Tx | |
1616 | * @vsi: the VSI being configured | |
1617 | * | |
1618 | * Return 0 on success and a negative value on error | |
1619 | * Configure the Tx VSI for operation. | |
1620 | */ | |
1621 | int ice_vsi_cfg_txqs(struct ice_vsi *vsi) | |
1622 | { | |
1623 | struct ice_aqc_add_tx_qgrp *qg_buf; | |
1624 | struct ice_aqc_add_txqs_perq *txq; | |
1625 | struct ice_pf *pf = vsi->back; | |
c5a2a4a3 | 1626 | u8 num_q_grps, q_idx = 0; |
72adf242 AV |
1627 | enum ice_status status; |
1628 | u16 buf_len, i, pf_q; | |
1629 | int err = 0, tc = 0; | |
72adf242 AV |
1630 | |
1631 | buf_len = sizeof(struct ice_aqc_add_tx_qgrp); | |
1632 | qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL); | |
1633 | if (!qg_buf) | |
1634 | return -ENOMEM; | |
1635 | ||
72adf242 AV |
1636 | qg_buf->num_txqs = 1; |
1637 | num_q_grps = 1; | |
1638 | ||
c5a2a4a3 UK |
1639 | /* set up and configure the Tx queues for each enabled TC */ |
1640 | for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) { | |
1641 | if (!(vsi->tc_cfg.ena_tc & BIT(tc))) | |
1642 | break; | |
72adf242 | 1643 | |
c5a2a4a3 UK |
1644 | for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) { |
1645 | struct ice_tlan_ctx tlan_ctx = { 0 }; | |
1646 | ||
1647 | pf_q = vsi->txq_map[q_idx]; | |
1648 | ice_setup_tx_ctx(vsi->tx_rings[q_idx], &tlan_ctx, | |
1649 | pf_q); | |
1650 | /* copy context contents into the qg_buf */ | |
1651 | qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); | |
1652 | ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, | |
1653 | ice_tlan_ctx_info); | |
1654 | ||
1655 | /* init queue specific tail reg. It is referred as | |
1656 | * transmit comm scheduler queue doorbell. | |
1657 | */ | |
1658 | vsi->tx_rings[q_idx]->tail = | |
1659 | pf->hw.hw_addr + QTX_COMM_DBELL(pf_q); | |
1660 | status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, | |
1661 | num_q_grps, qg_buf, buf_len, | |
1662 | NULL); | |
1663 | if (status) { | |
1664 | dev_err(&vsi->back->pdev->dev, | |
1665 | "Failed to set LAN Tx queue context, error: %d\n", | |
1666 | status); | |
1667 | err = -ENODEV; | |
1668 | goto err_cfg_txqs; | |
1669 | } | |
72adf242 | 1670 | |
c5a2a4a3 UK |
1671 | /* Add Tx Queue TEID into the VSI Tx ring from the |
1672 | * response. This will complete configuring and | |
1673 | * enabling the queue. | |
1674 | */ | |
1675 | txq = &qg_buf->txqs[0]; | |
1676 | if (pf_q == le16_to_cpu(txq->txq_id)) | |
1677 | vsi->tx_rings[q_idx]->txq_teid = | |
1678 | le32_to_cpu(txq->q_teid); | |
72adf242 | 1679 | |
c5a2a4a3 UK |
1680 | q_idx++; |
1681 | } | |
72adf242 AV |
1682 | } |
1683 | err_cfg_txqs: | |
1684 | devm_kfree(&pf->pdev->dev, qg_buf); | |
1685 | return err; | |
1686 | } | |
1687 | ||
9e4ab4c2 BC |
1688 | /** |
1689 | * ice_intrl_usec_to_reg - convert interrupt rate limit to register value | |
1690 | * @intrl: interrupt rate limit in usecs | |
1691 | * @gran: interrupt rate limit granularity in usecs | |
1692 | * | |
1693 | * This function converts a decimal interrupt rate limit in usecs to the format | |
1694 | * expected by firmware. | |
1695 | */ | |
1696 | static u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran) | |
1697 | { | |
1698 | u32 val = intrl / gran; | |
1699 | ||
1700 | if (val) | |
1701 | return val | GLINT_RATE_INTRL_ENA_M; | |
1702 | return 0; | |
1703 | } | |
1704 | ||
d2b464a7 BC |
1705 | /** |
1706 | * ice_cfg_itr - configure the initial interrupt throttle values | |
1707 | * @hw: pointer to the HW structure | |
1708 | * @q_vector: interrupt vector that's being configured | |
1709 | * @vector: HW vector index to apply the interrupt throttling to | |
1710 | * | |
1711 | * Configure interrupt throttling values for the ring containers that are | |
1712 | * associated with the interrupt vector passed in. | |
1713 | */ | |
1714 | static void | |
1715 | ice_cfg_itr(struct ice_hw *hw, struct ice_q_vector *q_vector, u16 vector) | |
1716 | { | |
1717 | u8 itr_gran = hw->itr_gran; | |
1718 | ||
1719 | if (q_vector->num_ring_rx) { | |
1720 | struct ice_ring_container *rc = &q_vector->rx; | |
1721 | ||
1722 | rc->itr = ITR_TO_REG(ICE_DFLT_RX_ITR, itr_gran); | |
1723 | rc->latency_range = ICE_LOW_LATENCY; | |
1724 | wr32(hw, GLINT_ITR(rc->itr_idx, vector), rc->itr); | |
1725 | } | |
1726 | ||
1727 | if (q_vector->num_ring_tx) { | |
1728 | struct ice_ring_container *rc = &q_vector->tx; | |
1729 | ||
1730 | rc->itr = ITR_TO_REG(ICE_DFLT_TX_ITR, itr_gran); | |
1731 | rc->latency_range = ICE_LOW_LATENCY; | |
1732 | wr32(hw, GLINT_ITR(rc->itr_idx, vector), rc->itr); | |
1733 | } | |
1734 | } | |
1735 | ||
72adf242 AV |
1736 | /** |
1737 | * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW | |
1738 | * @vsi: the VSI being configured | |
1739 | */ | |
1740 | void ice_vsi_cfg_msix(struct ice_vsi *vsi) | |
1741 | { | |
1742 | struct ice_pf *pf = vsi->back; | |
eb0208ec | 1743 | u16 vector = vsi->hw_base_vector; |
72adf242 AV |
1744 | struct ice_hw *hw = &pf->hw; |
1745 | u32 txq = 0, rxq = 0; | |
d2b464a7 | 1746 | int i, q; |
72adf242 AV |
1747 | |
1748 | for (i = 0; i < vsi->num_q_vectors; i++, vector++) { | |
1749 | struct ice_q_vector *q_vector = vsi->q_vectors[i]; | |
1750 | ||
d2b464a7 | 1751 | ice_cfg_itr(hw, q_vector, vector); |
9e4ab4c2 | 1752 | |
9e4ab4c2 BC |
1753 | wr32(hw, GLINT_RATE(vector), |
1754 | ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran)); | |
72adf242 AV |
1755 | |
1756 | /* Both Transmit Queue Interrupt Cause Control register | |
1757 | * and Receive Queue Interrupt Cause control register | |
1758 | * expects MSIX_INDX field to be the vector index | |
1759 | * within the function space and not the absolute | |
1760 | * vector index across PF or across device. | |
1761 | * For SR-IOV VF VSIs queue vector index always starts | |
1762 | * with 1 since first vector index(0) is used for OICR | |
1763 | * in VF space. Since VMDq and other PF VSIs are within | |
1764 | * the PF function space, use the vector index that is | |
1765 | * tracked for this PF. | |
1766 | */ | |
1767 | for (q = 0; q < q_vector->num_ring_tx; q++) { | |
d2b464a7 | 1768 | int itr_idx = q_vector->tx.itr_idx; |
72adf242 AV |
1769 | u32 val; |
1770 | ||
8ede0178 AV |
1771 | if (vsi->type == ICE_VSI_VF) |
1772 | val = QINT_TQCTL_CAUSE_ENA_M | | |
d2b464a7 | 1773 | (itr_idx << QINT_TQCTL_ITR_INDX_S) | |
8ede0178 AV |
1774 | ((i + 1) << QINT_TQCTL_MSIX_INDX_S); |
1775 | else | |
1776 | val = QINT_TQCTL_CAUSE_ENA_M | | |
d2b464a7 | 1777 | (itr_idx << QINT_TQCTL_ITR_INDX_S) | |
8ede0178 | 1778 | (vector << QINT_TQCTL_MSIX_INDX_S); |
72adf242 AV |
1779 | wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val); |
1780 | txq++; | |
1781 | } | |
1782 | ||
1783 | for (q = 0; q < q_vector->num_ring_rx; q++) { | |
d2b464a7 | 1784 | int itr_idx = q_vector->rx.itr_idx; |
72adf242 AV |
1785 | u32 val; |
1786 | ||
8ede0178 AV |
1787 | if (vsi->type == ICE_VSI_VF) |
1788 | val = QINT_RQCTL_CAUSE_ENA_M | | |
d2b464a7 | 1789 | (itr_idx << QINT_RQCTL_ITR_INDX_S) | |
8ede0178 AV |
1790 | ((i + 1) << QINT_RQCTL_MSIX_INDX_S); |
1791 | else | |
1792 | val = QINT_RQCTL_CAUSE_ENA_M | | |
d2b464a7 | 1793 | (itr_idx << QINT_RQCTL_ITR_INDX_S) | |
8ede0178 | 1794 | (vector << QINT_RQCTL_MSIX_INDX_S); |
72adf242 AV |
1795 | wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val); |
1796 | rxq++; | |
1797 | } | |
1798 | } | |
1799 | ||
1800 | ice_flush(hw); | |
1801 | } | |
1802 | ||
45d3d428 AV |
1803 | /** |
1804 | * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx | |
1805 | * @vsi: the VSI being changed | |
1806 | */ | |
1807 | int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi) | |
1808 | { | |
1809 | struct device *dev = &vsi->back->pdev->dev; | |
1810 | struct ice_hw *hw = &vsi->back->hw; | |
1811 | struct ice_vsi_ctx ctxt = { 0 }; | |
1812 | enum ice_status status; | |
1813 | ||
1814 | /* Here we are configuring the VSI to let the driver add VLAN tags by | |
1815 | * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag | |
1816 | * insertion happens in the Tx hot path, in ice_tx_map. | |
1817 | */ | |
1818 | ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL; | |
1819 | ||
1820 | ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); | |
45d3d428 | 1821 | |
5726ca0e | 1822 | status = ice_update_vsi(hw, vsi->idx, &ctxt, NULL); |
45d3d428 AV |
1823 | if (status) { |
1824 | dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n", | |
1825 | status, hw->adminq.sq_last_status); | |
1826 | return -EIO; | |
1827 | } | |
1828 | ||
1829 | vsi->info.vlan_flags = ctxt.info.vlan_flags; | |
1830 | return 0; | |
1831 | } | |
1832 | ||
1833 | /** | |
1834 | * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx | |
1835 | * @vsi: the VSI being changed | |
1836 | * @ena: boolean value indicating if this is a enable or disable request | |
1837 | */ | |
1838 | int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena) | |
1839 | { | |
1840 | struct device *dev = &vsi->back->pdev->dev; | |
1841 | struct ice_hw *hw = &vsi->back->hw; | |
1842 | struct ice_vsi_ctx ctxt = { 0 }; | |
1843 | enum ice_status status; | |
1844 | ||
1845 | /* Here we are configuring what the VSI should do with the VLAN tag in | |
1846 | * the Rx packet. We can either leave the tag in the packet or put it in | |
1847 | * the Rx descriptor. | |
1848 | */ | |
1849 | if (ena) { | |
1850 | /* Strip VLAN tag from Rx packet and put it in the desc */ | |
1851 | ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH; | |
1852 | } else { | |
1853 | /* Disable stripping. Leave tag in packet */ | |
1854 | ctxt.info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING; | |
1855 | } | |
1856 | ||
1857 | /* Allow all packets untagged/tagged */ | |
1858 | ctxt.info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL; | |
1859 | ||
1860 | ctxt.info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID); | |
45d3d428 | 1861 | |
5726ca0e | 1862 | status = ice_update_vsi(hw, vsi->idx, &ctxt, NULL); |
45d3d428 AV |
1863 | if (status) { |
1864 | dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n", | |
1865 | ena, status, hw->adminq.sq_last_status); | |
1866 | return -EIO; | |
1867 | } | |
1868 | ||
1869 | vsi->info.vlan_flags = ctxt.info.vlan_flags; | |
1870 | return 0; | |
1871 | } | |
72adf242 AV |
1872 | |
1873 | /** | |
1874 | * ice_vsi_start_rx_rings - start VSI's Rx rings | |
1875 | * @vsi: the VSI whose rings are to be started | |
1876 | * | |
1877 | * Returns 0 on success and a negative value on error | |
1878 | */ | |
1879 | int ice_vsi_start_rx_rings(struct ice_vsi *vsi) | |
1880 | { | |
1881 | return ice_vsi_ctrl_rx_rings(vsi, true); | |
1882 | } | |
1883 | ||
1884 | /** | |
1885 | * ice_vsi_stop_rx_rings - stop VSI's Rx rings | |
1886 | * @vsi: the VSI | |
1887 | * | |
1888 | * Returns 0 on success and a negative value on error | |
1889 | */ | |
1890 | int ice_vsi_stop_rx_rings(struct ice_vsi *vsi) | |
1891 | { | |
1892 | return ice_vsi_ctrl_rx_rings(vsi, false); | |
1893 | } | |
1894 | ||
1895 | /** | |
1896 | * ice_vsi_stop_tx_rings - Disable Tx rings | |
1897 | * @vsi: the VSI being configured | |
ddf30f7f AV |
1898 | * @rst_src: reset source |
1899 | * @rel_vmvf_num: Relative id of VF/VM | |
72adf242 | 1900 | */ |
ddf30f7f AV |
1901 | int ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, |
1902 | u16 rel_vmvf_num) | |
72adf242 AV |
1903 | { |
1904 | struct ice_pf *pf = vsi->back; | |
1905 | struct ice_hw *hw = &pf->hw; | |
1906 | enum ice_status status; | |
1907 | u32 *q_teids, val; | |
1908 | u16 *q_ids, i; | |
1909 | int err = 0; | |
1910 | ||
1911 | if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS) | |
1912 | return -EINVAL; | |
1913 | ||
1914 | q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids), | |
1915 | GFP_KERNEL); | |
1916 | if (!q_teids) | |
1917 | return -ENOMEM; | |
1918 | ||
1919 | q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids), | |
1920 | GFP_KERNEL); | |
1921 | if (!q_ids) { | |
1922 | err = -ENOMEM; | |
1923 | goto err_alloc_q_ids; | |
1924 | } | |
1925 | ||
1926 | /* set up the Tx queue list to be disabled */ | |
1927 | ice_for_each_txq(vsi, i) { | |
1928 | u16 v_idx; | |
1929 | ||
b354e98f TN |
1930 | if (!vsi->tx_rings || !vsi->tx_rings[i] || |
1931 | !vsi->tx_rings[i]->q_vector) { | |
72adf242 AV |
1932 | err = -EINVAL; |
1933 | goto err_out; | |
1934 | } | |
1935 | ||
1936 | q_ids[i] = vsi->txq_map[i]; | |
1937 | q_teids[i] = vsi->tx_rings[i]->txq_teid; | |
1938 | ||
1939 | /* clear cause_ena bit for disabled queues */ | |
1940 | val = rd32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx)); | |
1941 | val &= ~QINT_TQCTL_CAUSE_ENA_M; | |
1942 | wr32(hw, QINT_TQCTL(vsi->tx_rings[i]->reg_idx), val); | |
1943 | ||
1944 | /* software is expected to wait for 100 ns */ | |
1945 | ndelay(100); | |
1946 | ||
1947 | /* trigger a software interrupt for the vector associated to | |
1948 | * the queue to schedule NAPI handler | |
1949 | */ | |
1950 | v_idx = vsi->tx_rings[i]->q_vector->v_idx; | |
eb0208ec | 1951 | wr32(hw, GLINT_DYN_CTL(vsi->hw_base_vector + v_idx), |
72adf242 AV |
1952 | GLINT_DYN_CTL_SWINT_TRIG_M | GLINT_DYN_CTL_INTENA_MSK_M); |
1953 | } | |
1954 | status = ice_dis_vsi_txq(vsi->port_info, vsi->num_txq, q_ids, q_teids, | |
ddf30f7f | 1955 | rst_src, rel_vmvf_num, NULL); |
72adf242 AV |
1956 | /* if the disable queue command was exercised during an active reset |
1957 | * flow, ICE_ERR_RESET_ONGOING is returned. This is not an error as | |
1958 | * the reset operation disables queues at the hardware level anyway. | |
1959 | */ | |
1960 | if (status == ICE_ERR_RESET_ONGOING) { | |
1961 | dev_info(&pf->pdev->dev, | |
1962 | "Reset in progress. LAN Tx queues already disabled\n"); | |
1963 | } else if (status) { | |
1964 | dev_err(&pf->pdev->dev, | |
1965 | "Failed to disable LAN Tx queues, error: %d\n", | |
1966 | status); | |
1967 | err = -ENODEV; | |
1968 | } | |
1969 | ||
1970 | err_out: | |
1971 | devm_kfree(&pf->pdev->dev, q_ids); | |
1972 | ||
1973 | err_alloc_q_ids: | |
1974 | devm_kfree(&pf->pdev->dev, q_teids); | |
1975 | ||
1976 | return err; | |
1977 | } | |
5153a18e AV |
1978 | |
1979 | /** | |
1980 | * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI | |
1981 | * @vsi: VSI to enable or disable VLAN pruning on | |
1982 | * @ena: set to true to enable VLAN pruning and false to disable it | |
1983 | * | |
1984 | * returns 0 if VSI is updated, negative otherwise | |
1985 | */ | |
1986 | int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena) | |
1987 | { | |
1988 | struct ice_vsi_ctx *ctxt; | |
1989 | struct device *dev; | |
1990 | int status; | |
1991 | ||
1992 | if (!vsi) | |
1993 | return -EINVAL; | |
1994 | ||
1995 | dev = &vsi->back->pdev->dev; | |
1996 | ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL); | |
1997 | if (!ctxt) | |
1998 | return -ENOMEM; | |
1999 | ||
2000 | ctxt->info = vsi->info; | |
2001 | ||
2002 | if (ena) { | |
2003 | ctxt->info.sec_flags |= | |
2004 | ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << | |
2005 | ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S; | |
2006 | ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; | |
2007 | } else { | |
2008 | ctxt->info.sec_flags &= | |
2009 | ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA << | |
2010 | ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S); | |
2011 | ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA; | |
2012 | } | |
2013 | ||
2014 | ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID | | |
2015 | ICE_AQ_VSI_PROP_SW_VALID); | |
5726ca0e AV |
2016 | |
2017 | status = ice_update_vsi(&vsi->back->hw, vsi->idx, ctxt, NULL); | |
5153a18e | 2018 | if (status) { |
5726ca0e | 2019 | netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n", |
31082519 | 2020 | ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status, |
5153a18e AV |
2021 | vsi->back->hw.adminq.sq_last_status); |
2022 | goto err_out; | |
2023 | } | |
2024 | ||
2025 | vsi->info.sec_flags = ctxt->info.sec_flags; | |
2026 | vsi->info.sw_flags2 = ctxt->info.sw_flags2; | |
2027 | ||
2028 | devm_kfree(dev, ctxt); | |
2029 | return 0; | |
2030 | ||
2031 | err_out: | |
2032 | devm_kfree(dev, ctxt); | |
2033 | return -EIO; | |
2034 | } | |
2035 | ||
37bb8390 AV |
2036 | /** |
2037 | * ice_vsi_setup - Set up a VSI by a given type | |
2038 | * @pf: board private structure | |
2039 | * @pi: pointer to the port_info instance | |
2040 | * @type: VSI type | |
2041 | * @vf_id: defines VF id to which this VSI connects. This field is meant to be | |
2042 | * used only for ICE_VSI_VF VSI type. For other VSI types, should | |
2043 | * fill-in ICE_INVAL_VFID as input. | |
2044 | * | |
2045 | * This allocates the sw VSI structure and its queue resources. | |
2046 | * | |
2047 | * Returns pointer to the successfully allocated and configured VSI sw struct on | |
2048 | * success, NULL on failure. | |
2049 | */ | |
2050 | struct ice_vsi * | |
2051 | ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, | |
8ede0178 | 2052 | enum ice_vsi_type type, u16 vf_id) |
37bb8390 AV |
2053 | { |
2054 | u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; | |
2055 | struct device *dev = &pf->pdev->dev; | |
2056 | struct ice_vsi *vsi; | |
2057 | int ret, i; | |
2058 | ||
2059 | vsi = ice_vsi_alloc(pf, type); | |
2060 | if (!vsi) { | |
2061 | dev_err(dev, "could not allocate VSI\n"); | |
2062 | return NULL; | |
2063 | } | |
2064 | ||
2065 | vsi->port_info = pi; | |
2066 | vsi->vsw = pf->first_sw; | |
8ede0178 AV |
2067 | if (vsi->type == ICE_VSI_VF) |
2068 | vsi->vf_id = vf_id; | |
37bb8390 AV |
2069 | |
2070 | if (ice_vsi_get_qs(vsi)) { | |
2071 | dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n", | |
2072 | vsi->idx); | |
2073 | goto unroll_get_qs; | |
2074 | } | |
2075 | ||
2076 | /* set RSS capabilities */ | |
2077 | ice_vsi_set_rss_params(vsi); | |
2078 | ||
c5a2a4a3 UK |
2079 | /* set tc configuration */ |
2080 | ice_vsi_set_tc_cfg(vsi); | |
2081 | ||
37bb8390 AV |
2082 | /* create the VSI */ |
2083 | ret = ice_vsi_init(vsi); | |
2084 | if (ret) | |
2085 | goto unroll_get_qs; | |
2086 | ||
2087 | switch (vsi->type) { | |
2088 | case ICE_VSI_PF: | |
2089 | ret = ice_vsi_alloc_q_vectors(vsi); | |
2090 | if (ret) | |
2091 | goto unroll_vsi_init; | |
2092 | ||
2093 | ret = ice_vsi_setup_vector_base(vsi); | |
2094 | if (ret) | |
2095 | goto unroll_alloc_q_vector; | |
2096 | ||
2097 | ret = ice_vsi_alloc_rings(vsi); | |
2098 | if (ret) | |
2099 | goto unroll_vector_base; | |
2100 | ||
2101 | ice_vsi_map_rings_to_vectors(vsi); | |
2102 | ||
2103 | /* Do not exit if configuring RSS had an issue, at least | |
2104 | * receive traffic on first queue. Hence no need to capture | |
2105 | * return value | |
2106 | */ | |
2107 | if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) | |
2108 | ice_vsi_cfg_rss_lut_key(vsi); | |
2109 | break; | |
8ede0178 AV |
2110 | case ICE_VSI_VF: |
2111 | /* VF driver will take care of creating netdev for this type and | |
2112 | * map queues to vectors through Virtchnl, PF driver only | |
2113 | * creates a VSI and corresponding structures for bookkeeping | |
2114 | * purpose | |
2115 | */ | |
2116 | ret = ice_vsi_alloc_q_vectors(vsi); | |
2117 | if (ret) | |
2118 | goto unroll_vsi_init; | |
2119 | ||
2120 | ret = ice_vsi_alloc_rings(vsi); | |
2121 | if (ret) | |
2122 | goto unroll_alloc_q_vector; | |
2123 | ||
2124 | /* Setup Vector base only during VF init phase or when VF asks | |
2125 | * for more vectors than assigned number. In all other cases, | |
2126 | * assign hw_base_vector to the value given earlier. | |
2127 | */ | |
2128 | if (test_bit(ICE_VF_STATE_CFG_INTR, pf->vf[vf_id].vf_states)) { | |
2129 | ret = ice_vsi_setup_vector_base(vsi); | |
2130 | if (ret) | |
2131 | goto unroll_vector_base; | |
2132 | } else { | |
2133 | vsi->hw_base_vector = pf->vf[vf_id].first_vector_idx; | |
2134 | } | |
2135 | pf->q_left_tx -= vsi->alloc_txq; | |
2136 | pf->q_left_rx -= vsi->alloc_rxq; | |
2137 | break; | |
37bb8390 | 2138 | default: |
df17b7e0 | 2139 | /* clean up the resources and exit */ |
37bb8390 AV |
2140 | goto unroll_vsi_init; |
2141 | } | |
2142 | ||
37bb8390 AV |
2143 | /* configure VSI nodes based on number of queues and TC's */ |
2144 | for (i = 0; i < vsi->tc_cfg.numtc; i++) | |
c5a2a4a3 | 2145 | max_txqs[i] = pf->num_lan_tx; |
37bb8390 | 2146 | |
4fb33f31 AV |
2147 | ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, |
2148 | max_txqs); | |
37bb8390 AV |
2149 | if (ret) { |
2150 | dev_info(&pf->pdev->dev, "Failed VSI lan queue config\n"); | |
2151 | goto unroll_vector_base; | |
2152 | } | |
2153 | ||
2154 | return vsi; | |
2155 | ||
2156 | unroll_vector_base: | |
eb0208ec PB |
2157 | /* reclaim SW interrupts back to the common pool */ |
2158 | ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, vsi->idx); | |
2159 | pf->num_avail_sw_msix += vsi->num_q_vectors; | |
2160 | /* reclaim HW interrupt back to the common pool */ | |
2161 | ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, vsi->idx); | |
2162 | pf->num_avail_hw_msix += vsi->num_q_vectors; | |
37bb8390 AV |
2163 | unroll_alloc_q_vector: |
2164 | ice_vsi_free_q_vectors(vsi); | |
2165 | unroll_vsi_init: | |
2166 | ice_vsi_delete(vsi); | |
2167 | unroll_get_qs: | |
2168 | ice_vsi_put_qs(vsi); | |
2169 | pf->q_left_tx += vsi->alloc_txq; | |
2170 | pf->q_left_rx += vsi->alloc_rxq; | |
2171 | ice_vsi_clear(vsi); | |
2172 | ||
2173 | return NULL; | |
2174 | } | |
2175 | ||
5153a18e AV |
2176 | /** |
2177 | * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW | |
2178 | * @vsi: the VSI being cleaned up | |
2179 | */ | |
2180 | static void ice_vsi_release_msix(struct ice_vsi *vsi) | |
2181 | { | |
2182 | struct ice_pf *pf = vsi->back; | |
eb0208ec | 2183 | u16 vector = vsi->hw_base_vector; |
5153a18e AV |
2184 | struct ice_hw *hw = &pf->hw; |
2185 | u32 txq = 0; | |
2186 | u32 rxq = 0; | |
2187 | int i, q; | |
2188 | ||
2189 | for (i = 0; i < vsi->num_q_vectors; i++, vector++) { | |
2190 | struct ice_q_vector *q_vector = vsi->q_vectors[i]; | |
2191 | ||
d2b464a7 BC |
2192 | wr32(hw, GLINT_ITR(ICE_IDX_ITR0, vector), 0); |
2193 | wr32(hw, GLINT_ITR(ICE_IDX_ITR1, vector), 0); | |
5153a18e AV |
2194 | for (q = 0; q < q_vector->num_ring_tx; q++) { |
2195 | wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0); | |
2196 | txq++; | |
2197 | } | |
2198 | ||
2199 | for (q = 0; q < q_vector->num_ring_rx; q++) { | |
2200 | wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0); | |
2201 | rxq++; | |
2202 | } | |
2203 | } | |
2204 | ||
2205 | ice_flush(hw); | |
2206 | } | |
2207 | ||
2208 | /** | |
2209 | * ice_vsi_free_irq - Free the IRQ association with the OS | |
2210 | * @vsi: the VSI being configured | |
2211 | */ | |
2212 | void ice_vsi_free_irq(struct ice_vsi *vsi) | |
2213 | { | |
2214 | struct ice_pf *pf = vsi->back; | |
eb0208ec | 2215 | int base = vsi->sw_base_vector; |
5153a18e AV |
2216 | |
2217 | if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { | |
2218 | int i; | |
2219 | ||
2220 | if (!vsi->q_vectors || !vsi->irqs_ready) | |
2221 | return; | |
2222 | ||
eb0208ec | 2223 | ice_vsi_release_msix(vsi); |
8ede0178 AV |
2224 | if (vsi->type == ICE_VSI_VF) |
2225 | return; | |
eb0208ec | 2226 | |
5153a18e AV |
2227 | vsi->irqs_ready = false; |
2228 | for (i = 0; i < vsi->num_q_vectors; i++) { | |
2229 | u16 vector = i + base; | |
2230 | int irq_num; | |
2231 | ||
2232 | irq_num = pf->msix_entries[vector].vector; | |
2233 | ||
2234 | /* free only the irqs that were actually requested */ | |
2235 | if (!vsi->q_vectors[i] || | |
2236 | !(vsi->q_vectors[i]->num_ring_tx || | |
2237 | vsi->q_vectors[i]->num_ring_rx)) | |
2238 | continue; | |
2239 | ||
2240 | /* clear the affinity notifier in the IRQ descriptor */ | |
2241 | irq_set_affinity_notifier(irq_num, NULL); | |
2242 | ||
2243 | /* clear the affinity_mask in the IRQ descriptor */ | |
2244 | irq_set_affinity_hint(irq_num, NULL); | |
2245 | synchronize_irq(irq_num); | |
2246 | devm_free_irq(&pf->pdev->dev, irq_num, | |
2247 | vsi->q_vectors[i]); | |
2248 | } | |
5153a18e AV |
2249 | } |
2250 | } | |
2251 | ||
2252 | /** | |
2253 | * ice_vsi_free_tx_rings - Free Tx resources for VSI queues | |
2254 | * @vsi: the VSI having resources freed | |
2255 | */ | |
2256 | void ice_vsi_free_tx_rings(struct ice_vsi *vsi) | |
2257 | { | |
2258 | int i; | |
2259 | ||
2260 | if (!vsi->tx_rings) | |
2261 | return; | |
2262 | ||
2263 | ice_for_each_txq(vsi, i) | |
2264 | if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc) | |
2265 | ice_free_tx_ring(vsi->tx_rings[i]); | |
2266 | } | |
2267 | ||
2268 | /** | |
2269 | * ice_vsi_free_rx_rings - Free Rx resources for VSI queues | |
2270 | * @vsi: the VSI having resources freed | |
2271 | */ | |
2272 | void ice_vsi_free_rx_rings(struct ice_vsi *vsi) | |
2273 | { | |
2274 | int i; | |
2275 | ||
2276 | if (!vsi->rx_rings) | |
2277 | return; | |
2278 | ||
2279 | ice_for_each_rxq(vsi, i) | |
2280 | if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc) | |
2281 | ice_free_rx_ring(vsi->rx_rings[i]); | |
2282 | } | |
2283 | ||
07309a0e AV |
2284 | /** |
2285 | * ice_vsi_close - Shut down a VSI | |
2286 | * @vsi: the VSI being shut down | |
2287 | */ | |
2288 | void ice_vsi_close(struct ice_vsi *vsi) | |
2289 | { | |
2290 | if (!test_and_set_bit(__ICE_DOWN, vsi->state)) | |
2291 | ice_down(vsi); | |
2292 | ||
2293 | ice_vsi_free_irq(vsi); | |
2294 | ice_vsi_free_tx_rings(vsi); | |
2295 | ice_vsi_free_rx_rings(vsi); | |
2296 | } | |
2297 | ||
5153a18e AV |
2298 | /** |
2299 | * ice_free_res - free a block of resources | |
2300 | * @res: pointer to the resource | |
2301 | * @index: starting index previously returned by ice_get_res | |
2302 | * @id: identifier to track owner | |
2303 | * | |
2304 | * Returns number of resources freed | |
2305 | */ | |
2306 | int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id) | |
2307 | { | |
2308 | int count = 0; | |
2309 | int i; | |
2310 | ||
2311 | if (!res || index >= res->num_entries) | |
2312 | return -EINVAL; | |
2313 | ||
2314 | id |= ICE_RES_VALID_BIT; | |
2315 | for (i = index; i < res->num_entries && res->list[i] == id; i++) { | |
2316 | res->list[i] = 0; | |
2317 | count++; | |
2318 | } | |
2319 | ||
2320 | return count; | |
2321 | } | |
2322 | ||
2323 | /** | |
2324 | * ice_search_res - Search the tracker for a block of resources | |
2325 | * @res: pointer to the resource | |
2326 | * @needed: size of the block needed | |
2327 | * @id: identifier to track owner | |
2328 | * | |
2329 | * Returns the base item index of the block, or -ENOMEM for error | |
2330 | */ | |
2331 | static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) | |
2332 | { | |
2333 | int start = res->search_hint; | |
2334 | int end = start; | |
2335 | ||
d337f2af | 2336 | if ((start + needed) > res->num_entries) |
eb0208ec PB |
2337 | return -ENOMEM; |
2338 | ||
5153a18e AV |
2339 | id |= ICE_RES_VALID_BIT; |
2340 | ||
2341 | do { | |
2342 | /* skip already allocated entries */ | |
2343 | if (res->list[end++] & ICE_RES_VALID_BIT) { | |
2344 | start = end; | |
2345 | if ((start + needed) > res->num_entries) | |
2346 | break; | |
2347 | } | |
2348 | ||
2349 | if (end == (start + needed)) { | |
2350 | int i = start; | |
2351 | ||
2352 | /* there was enough, so assign it to the requestor */ | |
2353 | while (i != end) | |
2354 | res->list[i++] = id; | |
2355 | ||
2356 | if (end == res->num_entries) | |
2357 | end = 0; | |
2358 | ||
2359 | res->search_hint = end; | |
2360 | return start; | |
2361 | } | |
2362 | } while (1); | |
2363 | ||
2364 | return -ENOMEM; | |
2365 | } | |
2366 | ||
2367 | /** | |
2368 | * ice_get_res - get a block of resources | |
2369 | * @pf: board private structure | |
2370 | * @res: pointer to the resource | |
2371 | * @needed: size of the block needed | |
2372 | * @id: identifier to track owner | |
2373 | * | |
2374 | * Returns the base item index of the block, or -ENOMEM for error | |
2375 | * The search_hint trick and lack of advanced fit-finding only works | |
2376 | * because we're highly likely to have all the same sized requests. | |
2377 | * Linear search time and any fragmentation should be minimal. | |
2378 | */ | |
2379 | int | |
2380 | ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id) | |
2381 | { | |
2382 | int ret; | |
2383 | ||
2384 | if (!res || !pf) | |
2385 | return -EINVAL; | |
2386 | ||
2387 | if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) { | |
2388 | dev_err(&pf->pdev->dev, | |
2389 | "param err: needed=%d, num_entries = %d id=0x%04x\n", | |
2390 | needed, res->num_entries, id); | |
2391 | return -EINVAL; | |
2392 | } | |
2393 | ||
2394 | /* search based on search_hint */ | |
2395 | ret = ice_search_res(res, needed, id); | |
2396 | ||
2397 | if (ret < 0) { | |
2398 | /* previous search failed. Reset search hint and try again */ | |
2399 | res->search_hint = 0; | |
2400 | ret = ice_search_res(res, needed, id); | |
2401 | } | |
2402 | ||
2403 | return ret; | |
2404 | } | |
2405 | ||
2406 | /** | |
2407 | * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI | |
2408 | * @vsi: the VSI being un-configured | |
2409 | */ | |
2410 | void ice_vsi_dis_irq(struct ice_vsi *vsi) | |
2411 | { | |
eb0208ec | 2412 | int base = vsi->sw_base_vector; |
5153a18e AV |
2413 | struct ice_pf *pf = vsi->back; |
2414 | struct ice_hw *hw = &pf->hw; | |
5153a18e AV |
2415 | u32 val; |
2416 | int i; | |
2417 | ||
2418 | /* disable interrupt causation from each queue */ | |
2419 | if (vsi->tx_rings) { | |
2420 | ice_for_each_txq(vsi, i) { | |
2421 | if (vsi->tx_rings[i]) { | |
2422 | u16 reg; | |
2423 | ||
2424 | reg = vsi->tx_rings[i]->reg_idx; | |
2425 | val = rd32(hw, QINT_TQCTL(reg)); | |
2426 | val &= ~QINT_TQCTL_CAUSE_ENA_M; | |
2427 | wr32(hw, QINT_TQCTL(reg), val); | |
2428 | } | |
2429 | } | |
2430 | } | |
2431 | ||
2432 | if (vsi->rx_rings) { | |
2433 | ice_for_each_rxq(vsi, i) { | |
2434 | if (vsi->rx_rings[i]) { | |
2435 | u16 reg; | |
2436 | ||
2437 | reg = vsi->rx_rings[i]->reg_idx; | |
2438 | val = rd32(hw, QINT_RQCTL(reg)); | |
2439 | val &= ~QINT_RQCTL_CAUSE_ENA_M; | |
2440 | wr32(hw, QINT_RQCTL(reg), val); | |
2441 | } | |
2442 | } | |
2443 | } | |
2444 | ||
2445 | /* disable each interrupt */ | |
2446 | if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) { | |
eb0208ec PB |
2447 | for (i = vsi->hw_base_vector; |
2448 | i < (vsi->num_q_vectors + vsi->hw_base_vector); i++) | |
5153a18e AV |
2449 | wr32(hw, GLINT_DYN_CTL(i), 0); |
2450 | ||
2451 | ice_flush(hw); | |
2452 | for (i = 0; i < vsi->num_q_vectors; i++) | |
2453 | synchronize_irq(pf->msix_entries[i + base].vector); | |
2454 | } | |
2455 | } | |
2456 | ||
df0f8479 AV |
2457 | /** |
2458 | * ice_vsi_release - Delete a VSI and free its resources | |
2459 | * @vsi: the VSI being removed | |
2460 | * | |
2461 | * Returns 0 on success or < 0 on error | |
2462 | */ | |
2463 | int ice_vsi_release(struct ice_vsi *vsi) | |
2464 | { | |
2465 | struct ice_pf *pf; | |
8ede0178 | 2466 | struct ice_vf *vf; |
df0f8479 AV |
2467 | |
2468 | if (!vsi->back) | |
2469 | return -ENODEV; | |
2470 | pf = vsi->back; | |
8ede0178 | 2471 | vf = &pf->vf[vsi->vf_id]; |
df0f8479 AV |
2472 | /* do not unregister and free netdevs while driver is in the reset |
2473 | * recovery pending state. Since reset/rebuild happens through PF | |
2474 | * service task workqueue, its not a good idea to unregister netdev | |
2475 | * that is associated to the PF that is running the work queue items | |
2476 | * currently. This is done to avoid check_flush_dependency() warning | |
2477 | * on this wq | |
2478 | */ | |
5df7e45d | 2479 | if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) { |
25525b69 | 2480 | ice_napi_del(vsi); |
df0f8479 AV |
2481 | unregister_netdev(vsi->netdev); |
2482 | free_netdev(vsi->netdev); | |
2483 | vsi->netdev = NULL; | |
2484 | } | |
2485 | ||
2486 | if (test_bit(ICE_FLAG_RSS_ENA, pf->flags)) | |
2487 | ice_rss_clean(vsi); | |
2488 | ||
2489 | /* Disable VSI and free resources */ | |
2490 | ice_vsi_dis_irq(vsi); | |
2491 | ice_vsi_close(vsi); | |
2492 | ||
2493 | /* reclaim interrupt vectors back to PF */ | |
8ede0178 AV |
2494 | if (vsi->type != ICE_VSI_VF) { |
2495 | /* reclaim SW interrupts back to the common pool */ | |
2496 | ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, | |
2497 | vsi->idx); | |
2498 | pf->num_avail_sw_msix += vsi->num_q_vectors; | |
2499 | /* reclaim HW interrupts back to the common pool */ | |
2500 | ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, | |
2501 | vsi->idx); | |
2502 | pf->num_avail_hw_msix += vsi->num_q_vectors; | |
2503 | } else if (test_bit(ICE_VF_STATE_CFG_INTR, vf->vf_states)) { | |
2504 | /* Reclaim VF resources back only while freeing all VFs or | |
2505 | * vector reassignment is requested | |
2506 | */ | |
2507 | ice_free_res(vsi->back->hw_irq_tracker, vf->first_vector_idx, | |
2508 | vsi->idx); | |
2509 | pf->num_avail_hw_msix += pf->num_vf_msix; | |
2510 | } | |
df0f8479 | 2511 | |
5726ca0e | 2512 | ice_remove_vsi_fltr(&pf->hw, vsi->idx); |
10e03a22 | 2513 | ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); |
df0f8479 AV |
2514 | ice_vsi_delete(vsi); |
2515 | ice_vsi_free_q_vectors(vsi); | |
2516 | ice_vsi_clear_rings(vsi); | |
2517 | ||
2518 | ice_vsi_put_qs(vsi); | |
2519 | pf->q_left_tx += vsi->alloc_txq; | |
2520 | pf->q_left_rx += vsi->alloc_rxq; | |
2521 | ||
2522 | /* retain SW VSI data structure since it is needed to unregister and | |
2523 | * free VSI netdev when PF is not in reset recovery pending state,\ | |
2524 | * for ex: during rmmod. | |
2525 | */ | |
5df7e45d | 2526 | if (!ice_is_reset_in_progress(pf->state)) |
df0f8479 AV |
2527 | ice_vsi_clear(vsi); |
2528 | ||
2529 | return 0; | |
2530 | } | |
2531 | ||
2532 | /** | |
2533 | * ice_vsi_rebuild - Rebuild VSI after reset | |
2534 | * @vsi: VSI to be rebuild | |
2535 | * | |
2536 | * Returns 0 on success and negative value on failure | |
2537 | */ | |
2538 | int ice_vsi_rebuild(struct ice_vsi *vsi) | |
2539 | { | |
2540 | u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; | |
c5a2a4a3 | 2541 | struct ice_pf *pf; |
df0f8479 AV |
2542 | int ret, i; |
2543 | ||
2544 | if (!vsi) | |
2545 | return -EINVAL; | |
2546 | ||
c5a2a4a3 | 2547 | pf = vsi->back; |
47e3e53c | 2548 | ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); |
df0f8479 | 2549 | ice_vsi_free_q_vectors(vsi); |
eb0208ec PB |
2550 | ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, vsi->idx); |
2551 | ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, vsi->idx); | |
2552 | vsi->sw_base_vector = 0; | |
2553 | vsi->hw_base_vector = 0; | |
df0f8479 AV |
2554 | ice_vsi_clear_rings(vsi); |
2555 | ice_vsi_free_arrays(vsi, false); | |
f203dca3 | 2556 | ice_dev_onetime_setup(&vsi->back->hw); |
df0f8479 | 2557 | ice_vsi_set_num_qs(vsi); |
c5a2a4a3 | 2558 | ice_vsi_set_tc_cfg(vsi); |
df0f8479 AV |
2559 | |
2560 | /* Initialize VSI struct elements and create VSI in FW */ | |
2561 | ret = ice_vsi_init(vsi); | |
2562 | if (ret < 0) | |
2563 | goto err_vsi; | |
2564 | ||
2565 | ret = ice_vsi_alloc_arrays(vsi, false); | |
2566 | if (ret < 0) | |
2567 | goto err_vsi; | |
2568 | ||
2569 | switch (vsi->type) { | |
2570 | case ICE_VSI_PF: | |
2571 | ret = ice_vsi_alloc_q_vectors(vsi); | |
2572 | if (ret) | |
2573 | goto err_rings; | |
2574 | ||
2575 | ret = ice_vsi_setup_vector_base(vsi); | |
2576 | if (ret) | |
2577 | goto err_vectors; | |
2578 | ||
2579 | ret = ice_vsi_alloc_rings(vsi); | |
2580 | if (ret) | |
2581 | goto err_vectors; | |
2582 | ||
2583 | ice_vsi_map_rings_to_vectors(vsi); | |
2584 | break; | |
8ede0178 AV |
2585 | case ICE_VSI_VF: |
2586 | ret = ice_vsi_alloc_q_vectors(vsi); | |
2587 | if (ret) | |
2588 | goto err_rings; | |
2589 | ||
2590 | ret = ice_vsi_setup_vector_base(vsi); | |
2591 | if (ret) | |
2592 | goto err_vectors; | |
2593 | ||
2594 | ret = ice_vsi_alloc_rings(vsi); | |
2595 | if (ret) | |
2596 | goto err_vectors; | |
2597 | ||
2598 | vsi->back->q_left_tx -= vsi->alloc_txq; | |
2599 | vsi->back->q_left_rx -= vsi->alloc_rxq; | |
2600 | break; | |
df0f8479 AV |
2601 | default: |
2602 | break; | |
2603 | } | |
2604 | ||
df0f8479 AV |
2605 | /* configure VSI nodes based on number of queues and TC's */ |
2606 | for (i = 0; i < vsi->tc_cfg.numtc; i++) | |
c5a2a4a3 | 2607 | max_txqs[i] = pf->num_lan_tx; |
df0f8479 | 2608 | |
4fb33f31 AV |
2609 | ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, |
2610 | max_txqs); | |
df0f8479 AV |
2611 | if (ret) { |
2612 | dev_info(&vsi->back->pdev->dev, | |
2613 | "Failed VSI lan queue config\n"); | |
2614 | goto err_vectors; | |
2615 | } | |
2616 | return 0; | |
2617 | ||
2618 | err_vectors: | |
2619 | ice_vsi_free_q_vectors(vsi); | |
2620 | err_rings: | |
2621 | if (vsi->netdev) { | |
2622 | vsi->current_netdev_flags = 0; | |
2623 | unregister_netdev(vsi->netdev); | |
2624 | free_netdev(vsi->netdev); | |
2625 | vsi->netdev = NULL; | |
2626 | } | |
2627 | err_vsi: | |
2628 | ice_vsi_clear(vsi); | |
2629 | set_bit(__ICE_RESET_FAILED, vsi->back->state); | |
2630 | return ret; | |
2631 | } | |
2632 | ||
5153a18e | 2633 | /** |
5df7e45d | 2634 | * ice_is_reset_in_progress - check for a reset in progress |
5153a18e AV |
2635 | * @state: pf state field |
2636 | */ | |
5df7e45d | 2637 | bool ice_is_reset_in_progress(unsigned long *state) |
5153a18e | 2638 | { |
5df7e45d DE |
2639 | return test_bit(__ICE_RESET_OICR_RECV, state) || |
2640 | test_bit(__ICE_PFR_REQ, state) || | |
2641 | test_bit(__ICE_CORER_REQ, state) || | |
2642 | test_bit(__ICE_GLOBR_REQ, state); | |
5153a18e | 2643 | } |