1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright (c) 2018, Intel Corporation. */
6 #include "ice_dcb_lib.h"
9 * ice_setup_rx_ctx - Configure a receive ring context
10 * @ring: The Rx ring to configure
12 * Configure the Rx descriptor ring in RLAN context.
14 static int ice_setup_rx_ctx(struct ice_ring *ring)
16 struct ice_vsi *vsi = ring->vsi;
17 struct ice_hw *hw = &vsi->back->hw;
18 u32 rxdid = ICE_RXDID_FLEX_NIC;
19 struct ice_rlan_ctx rlan_ctx;
24 /* what is Rx queue number in global space of 2K Rx queues */
25 pf_q = vsi->rxq_map[ring->q_index];
27 /* clear the context structure first */
28 memset(&rlan_ctx, 0, sizeof(rlan_ctx));
30 rlan_ctx.base = ring->dma >> 7;
32 rlan_ctx.qlen = ring->count;
34 /* Receive Packet Data Buffer Size.
35 * The Packet Data Buffer Size is defined in 128 byte units.
37 rlan_ctx.dbuf = vsi->rx_buf_len >> ICE_RLAN_CTX_DBUF_S;
39 /* use 32 byte descriptors */
42 /* Strip the Ethernet CRC bytes before the packet is posted to host
45 rlan_ctx.crcstrip = 1;
47 /* L2TSEL flag defines the reported L2 Tags in the receive descriptor */
50 rlan_ctx.dtype = ICE_RX_DTYPE_NO_SPLIT;
51 rlan_ctx.hsplit_0 = ICE_RLAN_RX_HSPLIT_0_NO_SPLIT;
52 rlan_ctx.hsplit_1 = ICE_RLAN_RX_HSPLIT_1_NO_SPLIT;
54 /* This controls whether VLAN is stripped from inner headers
55 * The VLAN in the inner L2 header is stripped to the receive
56 * descriptor if enabled by this flag.
60 /* Max packet size for this queue - must not be set to a larger value
63 rlan_ctx.rxmax = min_t(u16, vsi->max_frame,
64 ICE_MAX_CHAINED_RX_BUFS * vsi->rx_buf_len);
66 /* Rx queue threshold in units of 64 */
67 rlan_ctx.lrxqthresh = 1;
69 /* Enable Flexible Descriptors in the queue context which
70 * allows this driver to select a specific receive descriptor format
72 if (vsi->type != ICE_VSI_VF) {
73 regval = rd32(hw, QRXFLXP_CNTXT(pf_q));
74 regval |= (rxdid << QRXFLXP_CNTXT_RXDID_IDX_S) &
75 QRXFLXP_CNTXT_RXDID_IDX_M;
77 /* increasing context priority to pick up profile ID;
78 * default is 0x01; setting to 0x03 to ensure profile
79 * is programming if prev context is of same priority
81 regval |= (0x03 << QRXFLXP_CNTXT_RXDID_PRIO_S) &
82 QRXFLXP_CNTXT_RXDID_PRIO_M;
84 wr32(hw, QRXFLXP_CNTXT(pf_q), regval);
87 /* Absolute queue number out of 2K needs to be passed */
88 err = ice_write_rxq_ctx(hw, &rlan_ctx, pf_q);
90 dev_err(&vsi->back->pdev->dev,
91 "Failed to set LAN Rx queue context for absolute Rx queue %d error: %d\n",
96 if (vsi->type == ICE_VSI_VF)
99 /* init queue specific tail register */
100 ring->tail = hw->hw_addr + QRX_TAIL(pf_q);
101 writel(0, ring->tail);
102 ice_alloc_rx_bufs(ring, ICE_DESC_UNUSED(ring));
108 * ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance
109 * @ring: The Tx ring to configure
110 * @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized
111 * @pf_q: queue index in the PF space
113 * Configure the Tx descriptor ring in TLAN context.
116 ice_setup_tx_ctx(struct ice_ring *ring, struct ice_tlan_ctx *tlan_ctx, u16 pf_q)
118 struct ice_vsi *vsi = ring->vsi;
119 struct ice_hw *hw = &vsi->back->hw;
121 tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S;
123 tlan_ctx->port_num = vsi->port_info->lport;
125 /* Transmit Queue Length */
126 tlan_ctx->qlen = ring->count;
128 ice_set_cgd_num(tlan_ctx, ring);
131 tlan_ctx->pf_num = hw->pf_id;
133 /* queue belongs to a specific VSI type
134 * VF / VM index should be programmed per vmvf_type setting:
135 * for vmvf_type = VF, it is VF number between 0-256
136 * for vmvf_type = VM, it is VM number between 0-767
137 * for PF or EMP this field should be set to zero
141 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
144 /* Firmware expects vmvf_num to be absolute VF ID */
145 tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf_id;
146 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF;
152 /* make sure the context is associated with the right VSI */
153 tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx);
155 tlan_ctx->tso_ena = ICE_TX_LEGACY;
156 tlan_ctx->tso_qnum = pf_q;
158 /* Legacy or Advanced Host Interface:
159 * 0: Advanced Host Interface
160 * 1: Legacy Host Interface
162 tlan_ctx->legacy_int = ICE_TX_LEGACY;
166 * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
167 * @pf: the PF being configured
168 * @pf_q: the PF queue
169 * @ena: enable or disable state of the queue
171 * This routine will wait for the given Rx queue of the PF to reach the
172 * enabled or disabled state.
173 * Returns -ETIMEDOUT in case of failing to reach the requested state after
174 * multiple retries; else will return 0 in case of success.
176 static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena)
180 for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) {
181 if (ena == !!(rd32(&pf->hw, QRX_CTRL(pf_q)) &
182 QRX_CTRL_QENA_STAT_M))
185 usleep_range(20, 40);
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
196 static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena)
198 struct ice_pf *pf = vsi->back;
199 struct ice_hw *hw = &pf->hw;
202 for (i = 0; i < vsi->num_rxq; i++) {
203 int pf_q = vsi->rxq_map[i];
206 rx_reg = rd32(hw, QRX_CTRL(pf_q));
208 /* Skip if the queue is already in the requested state */
209 if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
212 /* turn on/off the queue */
214 rx_reg |= QRX_CTRL_QENA_REQ_M;
216 rx_reg &= ~QRX_CTRL_QENA_REQ_M;
217 wr32(hw, QRX_CTRL(pf_q), rx_reg);
219 /* wait for the change to finish */
220 ret = ice_pf_rxq_wait(pf, pf_q, ena);
222 dev_err(&pf->pdev->dev,
223 "VSI idx %d Rx ring %d %sable timeout\n",
224 vsi->idx, pf_q, (ena ? "en" : "dis"));
233 * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI
235 * @alloc_qvectors: a bool to specify if q_vectors need to be allocated.
237 * On error: returns error code (negative)
238 * On success: returns 0
240 static int ice_vsi_alloc_arrays(struct ice_vsi *vsi, bool alloc_qvectors)
242 struct ice_pf *pf = vsi->back;
244 /* allocate memory for both Tx and Rx ring pointers */
245 vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq,
246 sizeof(*vsi->tx_rings), GFP_KERNEL);
250 vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq,
251 sizeof(*vsi->rx_rings), GFP_KERNEL);
255 if (alloc_qvectors) {
256 /* allocate memory for q_vector pointers */
257 vsi->q_vectors = devm_kcalloc(&pf->pdev->dev,
259 sizeof(*vsi->q_vectors),
268 devm_kfree(&pf->pdev->dev, vsi->rx_rings);
270 devm_kfree(&pf->pdev->dev, vsi->tx_rings);
276 * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI
277 * @vsi: the VSI being configured
279 static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
283 vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC;
284 vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC;
287 dev_dbg(&vsi->back->pdev->dev,
288 "Not setting number of Tx/Rx descriptors for VSI type %d\n",
295 * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI
296 * @vsi: the VSI being configured
297 * @vf_id: ID of the VF being configured
299 * Return 0 on success and a negative value on error
301 static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
303 struct ice_pf *pf = vsi->back;
304 struct ice_vf *vf = NULL;
306 if (vsi->type == ICE_VSI_VF)
311 vsi->alloc_txq = pf->num_lan_tx;
312 vsi->alloc_rxq = pf->num_lan_rx;
313 vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx);
316 vf = &pf->vf[vsi->vf_id];
317 vsi->alloc_txq = vf->num_vf_qs;
318 vsi->alloc_rxq = vf->num_vf_qs;
319 /* pf->num_vf_msix includes (VF miscellaneous vector +
320 * data queue interrupts). Since vsi->num_q_vectors is number
321 * of queues vectors, subtract 1 from the original vector
324 vsi->num_q_vectors = pf->num_vf_msix - 1;
327 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
331 ice_vsi_set_num_desc(vsi);
335 * ice_get_free_slot - get the next non-NULL location index in array
336 * @array: array to search
337 * @size: size of the array
338 * @curr: last known occupied index to be used as a search hint
340 * void * is being used to keep the functionality generic. This lets us use this
341 * function on any array of pointers.
343 static int ice_get_free_slot(void *array, int size, int curr)
345 int **tmp_array = (int **)array;
348 if (curr < (size - 1) && !tmp_array[curr + 1]) {
353 while ((i < size) && (tmp_array[i]))
364 * ice_vsi_delete - delete a VSI from the switch
365 * @vsi: pointer to VSI being removed
367 void ice_vsi_delete(struct ice_vsi *vsi)
369 struct ice_pf *pf = vsi->back;
370 struct ice_vsi_ctx *ctxt;
371 enum ice_status status;
373 ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL);
377 if (vsi->type == ICE_VSI_VF)
378 ctxt->vf_num = vsi->vf_id;
379 ctxt->vsi_num = vsi->vsi_num;
381 memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info));
383 status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL);
385 dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n",
388 devm_kfree(&pf->pdev->dev, ctxt);
392 * ice_vsi_free_arrays - clean up VSI resources
393 * @vsi: pointer to VSI being cleared
394 * @free_qvectors: bool to specify if q_vectors should be deallocated
396 static void ice_vsi_free_arrays(struct ice_vsi *vsi, bool free_qvectors)
398 struct ice_pf *pf = vsi->back;
400 /* free the ring and vector containers */
401 if (free_qvectors && vsi->q_vectors) {
402 devm_kfree(&pf->pdev->dev, vsi->q_vectors);
403 vsi->q_vectors = NULL;
406 devm_kfree(&pf->pdev->dev, vsi->tx_rings);
407 vsi->tx_rings = NULL;
410 devm_kfree(&pf->pdev->dev, vsi->rx_rings);
411 vsi->rx_rings = NULL;
416 * ice_vsi_clear - clean up and deallocate the provided VSI
417 * @vsi: pointer to VSI being cleared
419 * This deallocates the VSI's queue resources, removes it from the PF's
420 * VSI array if necessary, and deallocates the VSI
422 * Returns 0 on success, negative on failure
424 int ice_vsi_clear(struct ice_vsi *vsi)
426 struct ice_pf *pf = NULL;
436 if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) {
437 dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n",
442 mutex_lock(&pf->sw_mutex);
443 /* updates the PF for this cleared VSI */
445 pf->vsi[vsi->idx] = NULL;
446 if (vsi->idx < pf->next_vsi)
447 pf->next_vsi = vsi->idx;
449 ice_vsi_free_arrays(vsi, true);
450 mutex_unlock(&pf->sw_mutex);
451 devm_kfree(&pf->pdev->dev, vsi);
457 * ice_msix_clean_rings - MSIX mode Interrupt Handler
458 * @irq: interrupt number
459 * @data: pointer to a q_vector
461 static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
463 struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
465 if (!q_vector->tx.ring && !q_vector->rx.ring)
468 napi_schedule(&q_vector->napi);
474 * ice_vsi_alloc - Allocates the next available struct VSI in the PF
475 * @pf: board private structure
477 * @vf_id: ID of the VF being configured
479 * returns a pointer to a VSI on success, NULL on failure.
481 static struct ice_vsi *
482 ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type, u16 vf_id)
484 struct ice_vsi *vsi = NULL;
486 /* Need to protect the allocation of the VSIs at the PF level */
487 mutex_lock(&pf->sw_mutex);
489 /* If we have already allocated our maximum number of VSIs,
490 * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index
491 * is available to be populated
493 if (pf->next_vsi == ICE_NO_VSI) {
494 dev_dbg(&pf->pdev->dev, "out of VSI slots!\n");
498 vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL);
504 set_bit(__ICE_DOWN, vsi->state);
505 vsi->idx = pf->next_vsi;
506 vsi->work_lmt = ICE_DFLT_IRQ_WORK;
508 if (type == ICE_VSI_VF)
509 ice_vsi_set_num_qs(vsi, vf_id);
511 ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID);
515 if (ice_vsi_alloc_arrays(vsi, true))
518 /* Setup default MSIX irq handler for VSI */
519 vsi->irq_handler = ice_msix_clean_rings;
522 if (ice_vsi_alloc_arrays(vsi, true))
526 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
530 /* fill VSI slot in the PF struct */
531 pf->vsi[pf->next_vsi] = vsi;
533 /* prepare pf->next_vsi for next use */
534 pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
539 devm_kfree(&pf->pdev->dev, vsi);
542 mutex_unlock(&pf->sw_mutex);
547 * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI
548 * @qs_cfg: gathered variables needed for PF->VSI queues assignment
550 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
552 static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg)
556 mutex_lock(qs_cfg->qs_mutex);
557 offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size,
558 0, qs_cfg->q_count, 0);
559 if (offset >= qs_cfg->pf_map_size) {
560 mutex_unlock(qs_cfg->qs_mutex);
564 bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count);
565 for (i = 0; i < qs_cfg->q_count; i++)
566 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = i + offset;
567 mutex_unlock(qs_cfg->qs_mutex);
573 * __ice_vsi_get_qs_sc - Assign a scattered queues from PF to VSI
574 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
576 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
578 static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg)
582 mutex_lock(qs_cfg->qs_mutex);
583 for (i = 0; i < qs_cfg->q_count; i++) {
584 index = find_next_zero_bit(qs_cfg->pf_map,
585 qs_cfg->pf_map_size, index);
586 if (index >= qs_cfg->pf_map_size)
588 set_bit(index, qs_cfg->pf_map);
589 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = index;
591 mutex_unlock(qs_cfg->qs_mutex);
595 for (index = 0; index < i; index++) {
596 clear_bit(qs_cfg->vsi_map[index], qs_cfg->pf_map);
597 qs_cfg->vsi_map[index + qs_cfg->vsi_map_offset] = 0;
599 mutex_unlock(qs_cfg->qs_mutex);
605 * __ice_vsi_get_qs - helper function for assigning queues from PF to VSI
606 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
608 * This function first tries to find contiguous space. If it is not successful,
609 * it tries with the scatter approach.
611 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
613 static int __ice_vsi_get_qs(struct ice_qs_cfg *qs_cfg)
617 ret = __ice_vsi_get_qs_contig(qs_cfg);
619 /* contig failed, so try with scatter approach */
620 qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER;
621 qs_cfg->q_count = min_t(u16, qs_cfg->q_count,
622 qs_cfg->scatter_count);
623 ret = __ice_vsi_get_qs_sc(qs_cfg);
629 * ice_vsi_get_qs - Assign queues from PF to VSI
630 * @vsi: the VSI to assign queues to
632 * Returns 0 on success and a negative value on error
634 static int ice_vsi_get_qs(struct ice_vsi *vsi)
636 struct ice_pf *pf = vsi->back;
637 struct ice_qs_cfg tx_qs_cfg = {
638 .qs_mutex = &pf->avail_q_mutex,
639 .pf_map = pf->avail_txqs,
640 .pf_map_size = ICE_MAX_TXQS,
641 .q_count = vsi->alloc_txq,
642 .scatter_count = ICE_MAX_SCATTER_TXQS,
643 .vsi_map = vsi->txq_map,
645 .mapping_mode = vsi->tx_mapping_mode
647 struct ice_qs_cfg rx_qs_cfg = {
648 .qs_mutex = &pf->avail_q_mutex,
649 .pf_map = pf->avail_rxqs,
650 .pf_map_size = ICE_MAX_RXQS,
651 .q_count = vsi->alloc_rxq,
652 .scatter_count = ICE_MAX_SCATTER_RXQS,
653 .vsi_map = vsi->rxq_map,
655 .mapping_mode = vsi->rx_mapping_mode
659 vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG;
660 vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG;
662 ret = __ice_vsi_get_qs(&tx_qs_cfg);
664 ret = __ice_vsi_get_qs(&rx_qs_cfg);
670 * ice_vsi_put_qs - Release queues from VSI to PF
671 * @vsi: the VSI that is going to release queues
673 void ice_vsi_put_qs(struct ice_vsi *vsi)
675 struct ice_pf *pf = vsi->back;
678 mutex_lock(&pf->avail_q_mutex);
680 for (i = 0; i < vsi->alloc_txq; i++) {
681 clear_bit(vsi->txq_map[i], pf->avail_txqs);
682 vsi->txq_map[i] = ICE_INVAL_Q_INDEX;
685 for (i = 0; i < vsi->alloc_rxq; i++) {
686 clear_bit(vsi->rxq_map[i], pf->avail_rxqs);
687 vsi->rxq_map[i] = ICE_INVAL_Q_INDEX;
690 mutex_unlock(&pf->avail_q_mutex);
694 * ice_rss_clean - Delete RSS related VSI structures that hold user inputs
695 * @vsi: the VSI being removed
697 static void ice_rss_clean(struct ice_vsi *vsi)
703 if (vsi->rss_hkey_user)
704 devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user);
705 if (vsi->rss_lut_user)
706 devm_kfree(&pf->pdev->dev, vsi->rss_lut_user);
710 * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type
711 * @vsi: the VSI being configured
713 static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
715 struct ice_hw_common_caps *cap;
716 struct ice_pf *pf = vsi->back;
718 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
723 cap = &pf->hw.func_caps.common_cap;
726 /* PF VSI will inherit RSS instance of PF */
727 vsi->rss_table_size = cap->rss_table_size;
728 vsi->rss_size = min_t(int, num_online_cpus(),
729 BIT(cap->rss_table_entry_width));
730 vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
733 /* VF VSI will gets a small RSS table
734 * For VSI_LUT, LUT size should be set to 64 bytes
736 vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
737 vsi->rss_size = min_t(int, num_online_cpus(),
738 BIT(cap->rss_table_entry_width));
739 vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
742 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n",
749 * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI
750 * @ctxt: the VSI context being set
752 * This initializes a default VSI context for all sections except the Queues.
754 static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt)
758 memset(&ctxt->info, 0, sizeof(ctxt->info));
759 /* VSI's should be allocated from shared pool */
760 ctxt->alloc_from_pool = true;
761 /* Src pruning enabled by default */
762 ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
763 /* Traffic from VSI can be sent to LAN */
764 ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
765 /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy
766 * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all
767 * packets untagged/tagged.
769 ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL &
770 ICE_AQ_VSI_VLAN_MODE_M) >>
771 ICE_AQ_VSI_VLAN_MODE_S);
772 /* Have 1:1 UP mapping for both ingress/egress tables */
773 table |= ICE_UP_TABLE_TRANSLATE(0, 0);
774 table |= ICE_UP_TABLE_TRANSLATE(1, 1);
775 table |= ICE_UP_TABLE_TRANSLATE(2, 2);
776 table |= ICE_UP_TABLE_TRANSLATE(3, 3);
777 table |= ICE_UP_TABLE_TRANSLATE(4, 4);
778 table |= ICE_UP_TABLE_TRANSLATE(5, 5);
779 table |= ICE_UP_TABLE_TRANSLATE(6, 6);
780 table |= ICE_UP_TABLE_TRANSLATE(7, 7);
781 ctxt->info.ingress_table = cpu_to_le32(table);
782 ctxt->info.egress_table = cpu_to_le32(table);
783 /* Have 1:1 UP mapping for outer to inner UP table */
784 ctxt->info.outer_up_table = cpu_to_le32(table);
785 /* No Outer tag support outer_tag_flags remains to zero */
789 * ice_vsi_setup_q_map - Setup a VSI queue map
790 * @vsi: the VSI being configured
791 * @ctxt: VSI context structure
793 static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
795 u16 offset = 0, qmap = 0, tx_count = 0;
796 u16 qcount_tx = vsi->alloc_txq;
797 u16 qcount_rx = vsi->alloc_rxq;
798 u16 tx_numq_tc, rx_numq_tc;
799 u16 pow = 0, max_rss = 0;
800 bool ena_tc0 = false;
804 /* at least TC0 should be enabled by default */
805 if (vsi->tc_cfg.numtc) {
806 if (!(vsi->tc_cfg.ena_tc & BIT(0)))
814 vsi->tc_cfg.ena_tc |= 1;
817 rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc;
820 tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc;
824 /* TC mapping is a function of the number of Rx queues assigned to the
825 * VSI for each traffic class and the offset of these queues.
826 * The first 10 bits are for queue offset for TC0, next 4 bits for no:of
827 * queues allocated to TC0. No:of queues is a power-of-2.
829 * If TC is not enabled, the queue offset is set to 0, and allocate one
830 * queue, this way, traffic for the given TC will be sent to the default
833 * Setup number and offset of Rx queues for all TCs for the VSI
836 qcount_rx = rx_numq_tc;
838 /* qcount will change if RSS is enabled */
839 if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) {
840 if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) {
841 if (vsi->type == ICE_VSI_PF)
842 max_rss = ICE_MAX_LG_RSS_QS;
844 max_rss = ICE_MAX_SMALL_RSS_QS;
845 qcount_rx = min_t(int, rx_numq_tc, max_rss);
846 qcount_rx = min_t(int, qcount_rx, vsi->rss_size);
850 /* find the (rounded up) power-of-2 of qcount */
851 pow = order_base_2(qcount_rx);
853 ice_for_each_traffic_class(i) {
854 if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
855 /* TC is not enabled */
856 vsi->tc_cfg.tc_info[i].qoffset = 0;
857 vsi->tc_cfg.tc_info[i].qcount_rx = 1;
858 vsi->tc_cfg.tc_info[i].qcount_tx = 1;
859 vsi->tc_cfg.tc_info[i].netdev_tc = 0;
860 ctxt->info.tc_mapping[i] = 0;
865 vsi->tc_cfg.tc_info[i].qoffset = offset;
866 vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx;
867 vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc;
868 vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++;
870 qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
871 ICE_AQ_VSI_TC_Q_OFFSET_M) |
872 ((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
873 ICE_AQ_VSI_TC_Q_NUM_M);
875 tx_count += tx_numq_tc;
876 ctxt->info.tc_mapping[i] = cpu_to_le16(qmap);
879 /* if offset is non-zero, means it is calculated correctly based on
880 * enabled TCs for a given VSI otherwise qcount_rx will always
881 * be correct and non-zero because it is based off - VSI's
882 * allocated Rx queues which is at least 1 (hence qcount_tx will be
886 vsi->num_rxq = offset;
888 vsi->num_rxq = qcount_rx;
890 vsi->num_txq = tx_count;
892 if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) {
893 dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n");
894 /* since there is a chance that num_rxq could have been changed
895 * in the above for loop, make num_txq equal to num_rxq.
897 vsi->num_txq = vsi->num_rxq;
900 /* Rx queue mapping */
901 ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
902 /* q_mapping buffer holds the info for the first queue allocated for
903 * this VSI in the PF space and also the number of queues associated
906 ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
907 ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
911 * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
912 * @ctxt: the VSI context being set
913 * @vsi: the VSI being configured
915 static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
917 u8 lut_type, hash_type;
924 /* PF VSI will inherit RSS instance of PF */
925 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF;
926 hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
929 /* VF VSI will gets a small RSS table which is a VSI LUT type */
930 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
931 hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
934 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
938 ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
939 ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
940 ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
941 ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
945 * ice_vsi_init - Create and initialize a VSI
946 * @vsi: the VSI being configured
948 * This initializes a VSI context depending on the VSI type to be added and
949 * passes it down to the add_vsi aq command to create a new VSI.
951 static int ice_vsi_init(struct ice_vsi *vsi)
953 struct ice_pf *pf = vsi->back;
954 struct ice_hw *hw = &pf->hw;
955 struct ice_vsi_ctx *ctxt;
958 ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL);
962 ctxt->info = vsi->info;
965 ctxt->flags = ICE_AQ_VSI_TYPE_PF;
968 ctxt->flags = ICE_AQ_VSI_TYPE_VF;
969 /* VF number here is the absolute VF number (0-255) */
970 ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id;
976 ice_set_dflt_vsi_ctx(ctxt);
977 /* if the switch is in VEB mode, allow VSI loopback */
978 if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
979 ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
981 /* Set LUT type and HASH type if RSS is enabled */
982 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
983 ice_set_rss_vsi_ctx(ctxt, vsi);
985 ctxt->info.sw_id = vsi->port_info->sw_id;
986 ice_vsi_setup_q_map(vsi, ctxt);
988 /* Enable MAC Antispoof with new VSI being initialized or updated */
989 if (vsi->type == ICE_VSI_VF && pf->vf[vsi->vf_id].spoofchk) {
990 ctxt->info.valid_sections |=
991 cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
992 ctxt->info.sec_flags |=
993 ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF;
996 ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL);
998 dev_err(&pf->pdev->dev,
999 "Add VSI failed, err %d\n", ret);
1003 /* keep context for update VSI operations */
1004 vsi->info = ctxt->info;
1006 /* record VSI number returned */
1007 vsi->vsi_num = ctxt->vsi_num;
1009 devm_kfree(&pf->pdev->dev, ctxt);
1014 * ice_free_q_vector - Free memory allocated for a specific interrupt vector
1015 * @vsi: VSI having the memory freed
1016 * @v_idx: index of the vector to be freed
1018 static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx)
1020 struct ice_q_vector *q_vector;
1021 struct ice_pf *pf = vsi->back;
1022 struct ice_ring *ring;
1024 if (!vsi->q_vectors[v_idx]) {
1025 dev_dbg(&pf->pdev->dev, "Queue vector at index %d not found\n",
1029 q_vector = vsi->q_vectors[v_idx];
1031 ice_for_each_ring(ring, q_vector->tx)
1032 ring->q_vector = NULL;
1033 ice_for_each_ring(ring, q_vector->rx)
1034 ring->q_vector = NULL;
1036 /* only VSI with an associated netdev is set up with NAPI */
1038 netif_napi_del(&q_vector->napi);
1040 devm_kfree(&pf->pdev->dev, q_vector);
1041 vsi->q_vectors[v_idx] = NULL;
1045 * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors
1046 * @vsi: the VSI having memory freed
1048 void ice_vsi_free_q_vectors(struct ice_vsi *vsi)
1052 ice_for_each_q_vector(vsi, v_idx)
1053 ice_free_q_vector(vsi, v_idx);
1057 * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector
1058 * @vsi: the VSI being configured
1059 * @v_idx: index of the vector in the VSI struct
1061 * We allocate one q_vector. If allocation fails we return -ENOMEM.
1063 static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx)
1065 struct ice_pf *pf = vsi->back;
1066 struct ice_q_vector *q_vector;
1068 /* allocate q_vector */
1069 q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL);
1073 q_vector->vsi = vsi;
1074 q_vector->v_idx = v_idx;
1075 if (vsi->type == ICE_VSI_VF)
1077 /* only set affinity_mask if the CPU is online */
1078 if (cpu_online(v_idx))
1079 cpumask_set_cpu(v_idx, &q_vector->affinity_mask);
1081 /* This will not be called in the driver load path because the netdev
1082 * will not be created yet. All other cases with register the NAPI
1083 * handler here (i.e. resume, reset/rebuild, etc.)
1086 netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll,
1090 /* tie q_vector and VSI together */
1091 vsi->q_vectors[v_idx] = q_vector;
1097 * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
1098 * @vsi: the VSI being configured
1100 * We allocate one q_vector per queue interrupt. If allocation fails we
1103 static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
1105 struct ice_pf *pf = vsi->back;
1106 int v_idx = 0, num_q_vectors;
1109 if (vsi->q_vectors[0]) {
1110 dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n",
1115 if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
1116 num_q_vectors = vsi->num_q_vectors;
1122 for (v_idx = 0; v_idx < num_q_vectors; v_idx++) {
1123 err = ice_vsi_alloc_q_vector(vsi, v_idx);
1132 ice_free_q_vector(vsi, v_idx);
1134 dev_err(&pf->pdev->dev,
1135 "Failed to allocate %d q_vector for VSI %d, ret=%d\n",
1136 vsi->num_q_vectors, vsi->vsi_num, err);
1137 vsi->num_q_vectors = 0;
1142 * ice_vsi_setup_vector_base - Set up the base vector for the given VSI
1143 * @vsi: ptr to the VSI
1145 * This should only be called after ice_vsi_alloc() which allocates the
1146 * corresponding SW VSI structure and initializes num_queue_pairs for the
1147 * newly allocated VSI.
1149 * Returns 0 on success or negative on failure
1151 static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
1153 struct ice_pf *pf = vsi->back;
1154 int num_q_vectors = 0;
1156 if (vsi->sw_base_vector || vsi->hw_base_vector) {
1157 dev_dbg(&pf->pdev->dev, "VSI %d has non-zero HW base vector %d or SW base vector %d\n",
1158 vsi->vsi_num, vsi->hw_base_vector, vsi->sw_base_vector);
1162 if (!test_bit(ICE_FLAG_MSIX_ENA, pf->flags))
1165 switch (vsi->type) {
1167 num_q_vectors = vsi->num_q_vectors;
1168 /* reserve slots from OS requested IRQs */
1169 vsi->sw_base_vector = ice_get_res(pf, pf->sw_irq_tracker,
1170 num_q_vectors, vsi->idx);
1171 if (vsi->sw_base_vector < 0) {
1172 dev_err(&pf->pdev->dev,
1173 "Failed to get tracking for %d SW vectors for VSI %d, err=%d\n",
1174 num_q_vectors, vsi->vsi_num,
1175 vsi->sw_base_vector);
1178 pf->num_avail_sw_msix -= num_q_vectors;
1180 /* reserve slots from HW interrupts */
1181 vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker,
1182 num_q_vectors, vsi->idx);
1185 /* take VF misc vector and data vectors into account */
1186 num_q_vectors = pf->num_vf_msix;
1187 /* For VF VSI, reserve slots only from HW interrupts */
1188 vsi->hw_base_vector = ice_get_res(pf, pf->hw_irq_tracker,
1189 num_q_vectors, vsi->idx);
1192 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
1196 if (vsi->hw_base_vector < 0) {
1197 dev_err(&pf->pdev->dev,
1198 "Failed to get tracking for %d HW vectors for VSI %d, err=%d\n",
1199 num_q_vectors, vsi->vsi_num, vsi->hw_base_vector);
1200 if (vsi->type != ICE_VSI_VF) {
1201 ice_free_res(pf->sw_irq_tracker,
1202 vsi->sw_base_vector, vsi->idx);
1203 pf->num_avail_sw_msix += num_q_vectors;
1208 pf->num_avail_hw_msix -= num_q_vectors;
1214 * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI
1215 * @vsi: the VSI having rings deallocated
1217 static void ice_vsi_clear_rings(struct ice_vsi *vsi)
1221 if (vsi->tx_rings) {
1222 for (i = 0; i < vsi->alloc_txq; i++) {
1223 if (vsi->tx_rings[i]) {
1224 kfree_rcu(vsi->tx_rings[i], rcu);
1225 vsi->tx_rings[i] = NULL;
1229 if (vsi->rx_rings) {
1230 for (i = 0; i < vsi->alloc_rxq; i++) {
1231 if (vsi->rx_rings[i]) {
1232 kfree_rcu(vsi->rx_rings[i], rcu);
1233 vsi->rx_rings[i] = NULL;
1240 * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI
1241 * @vsi: VSI which is having rings allocated
1243 static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
1245 struct ice_pf *pf = vsi->back;
1248 /* Allocate Tx rings */
1249 for (i = 0; i < vsi->alloc_txq; i++) {
1250 struct ice_ring *ring;
1252 /* allocate with kzalloc(), free with kfree_rcu() */
1253 ring = kzalloc(sizeof(*ring), GFP_KERNEL);
1259 ring->reg_idx = vsi->txq_map[i];
1260 ring->ring_active = false;
1262 ring->dev = &pf->pdev->dev;
1263 ring->count = vsi->num_tx_desc;
1264 vsi->tx_rings[i] = ring;
1267 /* Allocate Rx rings */
1268 for (i = 0; i < vsi->alloc_rxq; i++) {
1269 struct ice_ring *ring;
1271 /* allocate with kzalloc(), free with kfree_rcu() */
1272 ring = kzalloc(sizeof(*ring), GFP_KERNEL);
1277 ring->reg_idx = vsi->rxq_map[i];
1278 ring->ring_active = false;
1280 ring->netdev = vsi->netdev;
1281 ring->dev = &pf->pdev->dev;
1282 ring->count = vsi->num_rx_desc;
1283 vsi->rx_rings[i] = ring;
1289 ice_vsi_clear_rings(vsi);
1294 * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors
1295 * @vsi: the VSI being configured
1297 * This function maps descriptor rings to the queue-specific vectors allotted
1298 * through the MSI-X enabling code. On a constrained vector budget, we map Tx
1299 * and Rx rings to the vector as "efficiently" as possible.
1302 void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
1304 static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
1305 #endif /* CONFIG_DCB */
1307 int q_vectors = vsi->num_q_vectors;
1308 int tx_rings_rem, rx_rings_rem;
1311 /* initially assigning remaining rings count to VSIs num queue value */
1312 tx_rings_rem = vsi->num_txq;
1313 rx_rings_rem = vsi->num_rxq;
1315 for (v_id = 0; v_id < q_vectors; v_id++) {
1316 struct ice_q_vector *q_vector = vsi->q_vectors[v_id];
1317 int tx_rings_per_v, rx_rings_per_v, q_id, q_base;
1319 /* Tx rings mapping to vector */
1320 tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id);
1321 q_vector->num_ring_tx = tx_rings_per_v;
1322 q_vector->tx.ring = NULL;
1323 q_vector->tx.itr_idx = ICE_TX_ITR;
1324 q_base = vsi->num_txq - tx_rings_rem;
1326 for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) {
1327 struct ice_ring *tx_ring = vsi->tx_rings[q_id];
1329 tx_ring->q_vector = q_vector;
1330 tx_ring->next = q_vector->tx.ring;
1331 q_vector->tx.ring = tx_ring;
1333 tx_rings_rem -= tx_rings_per_v;
1335 /* Rx rings mapping to vector */
1336 rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id);
1337 q_vector->num_ring_rx = rx_rings_per_v;
1338 q_vector->rx.ring = NULL;
1339 q_vector->rx.itr_idx = ICE_RX_ITR;
1340 q_base = vsi->num_rxq - rx_rings_rem;
1342 for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) {
1343 struct ice_ring *rx_ring = vsi->rx_rings[q_id];
1345 rx_ring->q_vector = q_vector;
1346 rx_ring->next = q_vector->rx.ring;
1347 q_vector->rx.ring = rx_ring;
1349 rx_rings_rem -= rx_rings_per_v;
1354 * ice_vsi_manage_rss_lut - disable/enable RSS
1355 * @vsi: the VSI being changed
1356 * @ena: boolean value indicating if this is an enable or disable request
1358 * In the event of disable request for RSS, this function will zero out RSS
1359 * LUT, while in the event of enable request for RSS, it will reconfigure RSS
1362 int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena)
1367 lut = devm_kzalloc(&vsi->back->pdev->dev, vsi->rss_table_size,
1373 if (vsi->rss_lut_user)
1374 memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
1376 ice_fill_rss_lut(lut, vsi->rss_table_size,
1380 err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size);
1381 devm_kfree(&vsi->back->pdev->dev, lut);
1386 * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI
1387 * @vsi: VSI to be configured
1389 static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
1391 struct ice_aqc_get_set_rss_keys *key;
1392 struct ice_pf *pf = vsi->back;
1393 enum ice_status status;
1397 vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq);
1399 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL);
1403 if (vsi->rss_lut_user)
1404 memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
1406 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
1408 status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut,
1409 vsi->rss_table_size);
1412 dev_err(&pf->pdev->dev,
1413 "set_rss_lut failed, error %d\n", status);
1415 goto ice_vsi_cfg_rss_exit;
1418 key = devm_kzalloc(&pf->pdev->dev, sizeof(*key), GFP_KERNEL);
1421 goto ice_vsi_cfg_rss_exit;
1424 if (vsi->rss_hkey_user)
1426 (struct ice_aqc_get_set_rss_keys *)vsi->rss_hkey_user,
1427 ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
1429 netdev_rss_key_fill((void *)key,
1430 ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
1432 status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key);
1435 dev_err(&pf->pdev->dev, "set_rss_key failed, error %d\n",
1440 devm_kfree(&pf->pdev->dev, key);
1441 ice_vsi_cfg_rss_exit:
1442 devm_kfree(&pf->pdev->dev, lut);
1447 * ice_add_mac_to_list - Add a MAC address filter entry to the list
1448 * @vsi: the VSI to be forwarded to
1449 * @add_list: pointer to the list which contains MAC filter entries
1450 * @macaddr: the MAC address to be added.
1452 * Adds MAC address filter entry to the temp list
1454 * Returns 0 on success or ENOMEM on failure.
1456 int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
1459 struct ice_fltr_list_entry *tmp;
1460 struct ice_pf *pf = vsi->back;
1462 tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC);
1466 tmp->fltr_info.flag = ICE_FLTR_TX;
1467 tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
1468 tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC;
1469 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1470 tmp->fltr_info.vsi_handle = vsi->idx;
1471 ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr);
1473 INIT_LIST_HEAD(&tmp->list_entry);
1474 list_add(&tmp->list_entry, add_list);
1480 * ice_update_eth_stats - Update VSI-specific ethernet statistics counters
1481 * @vsi: the VSI to be updated
1483 void ice_update_eth_stats(struct ice_vsi *vsi)
1485 struct ice_eth_stats *prev_es, *cur_es;
1486 struct ice_hw *hw = &vsi->back->hw;
1487 u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */
1489 prev_es = &vsi->eth_stats_prev;
1490 cur_es = &vsi->eth_stats;
1492 ice_stat_update40(hw, GLV_GORCH(vsi_num), GLV_GORCL(vsi_num),
1493 vsi->stat_offsets_loaded, &prev_es->rx_bytes,
1496 ice_stat_update40(hw, GLV_UPRCH(vsi_num), GLV_UPRCL(vsi_num),
1497 vsi->stat_offsets_loaded, &prev_es->rx_unicast,
1498 &cur_es->rx_unicast);
1500 ice_stat_update40(hw, GLV_MPRCH(vsi_num), GLV_MPRCL(vsi_num),
1501 vsi->stat_offsets_loaded, &prev_es->rx_multicast,
1502 &cur_es->rx_multicast);
1504 ice_stat_update40(hw, GLV_BPRCH(vsi_num), GLV_BPRCL(vsi_num),
1505 vsi->stat_offsets_loaded, &prev_es->rx_broadcast,
1506 &cur_es->rx_broadcast);
1508 ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded,
1509 &prev_es->rx_discards, &cur_es->rx_discards);
1511 ice_stat_update40(hw, GLV_GOTCH(vsi_num), GLV_GOTCL(vsi_num),
1512 vsi->stat_offsets_loaded, &prev_es->tx_bytes,
1515 ice_stat_update40(hw, GLV_UPTCH(vsi_num), GLV_UPTCL(vsi_num),
1516 vsi->stat_offsets_loaded, &prev_es->tx_unicast,
1517 &cur_es->tx_unicast);
1519 ice_stat_update40(hw, GLV_MPTCH(vsi_num), GLV_MPTCL(vsi_num),
1520 vsi->stat_offsets_loaded, &prev_es->tx_multicast,
1521 &cur_es->tx_multicast);
1523 ice_stat_update40(hw, GLV_BPTCH(vsi_num), GLV_BPTCL(vsi_num),
1524 vsi->stat_offsets_loaded, &prev_es->tx_broadcast,
1525 &cur_es->tx_broadcast);
1527 ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded,
1528 &prev_es->tx_errors, &cur_es->tx_errors);
1530 vsi->stat_offsets_loaded = true;
1534 * ice_free_fltr_list - free filter lists helper
1535 * @dev: pointer to the device struct
1536 * @h: pointer to the list head to be freed
1538 * Helper function to free filter lists previously created using
1539 * ice_add_mac_to_list
1541 void ice_free_fltr_list(struct device *dev, struct list_head *h)
1543 struct ice_fltr_list_entry *e, *tmp;
1545 list_for_each_entry_safe(e, tmp, h, list_entry) {
1546 list_del(&e->list_entry);
1552 * ice_vsi_add_vlan - Add VSI membership for given VLAN
1553 * @vsi: the VSI being configured
1554 * @vid: VLAN ID to be added
1556 int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
1558 struct ice_fltr_list_entry *tmp;
1559 struct ice_pf *pf = vsi->back;
1560 LIST_HEAD(tmp_add_list);
1561 enum ice_status status;
1564 tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL);
1568 tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
1569 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1570 tmp->fltr_info.flag = ICE_FLTR_TX;
1571 tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
1572 tmp->fltr_info.vsi_handle = vsi->idx;
1573 tmp->fltr_info.l_data.vlan.vlan_id = vid;
1575 INIT_LIST_HEAD(&tmp->list_entry);
1576 list_add(&tmp->list_entry, &tmp_add_list);
1578 status = ice_add_vlan(&pf->hw, &tmp_add_list);
1581 dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n",
1585 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
1590 * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN
1591 * @vsi: the VSI being configured
1592 * @vid: VLAN ID to be removed
1594 * Returns 0 on success and negative on failure
1596 int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid)
1598 struct ice_fltr_list_entry *list;
1599 struct ice_pf *pf = vsi->back;
1600 LIST_HEAD(tmp_add_list);
1601 enum ice_status status;
1604 list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
1608 list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
1609 list->fltr_info.vsi_handle = vsi->idx;
1610 list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1611 list->fltr_info.l_data.vlan.vlan_id = vid;
1612 list->fltr_info.flag = ICE_FLTR_TX;
1613 list->fltr_info.src_id = ICE_SRC_ID_VSI;
1615 INIT_LIST_HEAD(&list->list_entry);
1616 list_add(&list->list_entry, &tmp_add_list);
1618 status = ice_remove_vlan(&pf->hw, &tmp_add_list);
1620 dev_err(&pf->pdev->dev,
1621 "Error removing VLAN %d on vsi %i error: %d\n",
1622 vid, vsi->vsi_num, status);
1626 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
1631 * ice_vsi_cfg_rxqs - Configure the VSI for Rx
1632 * @vsi: the VSI being configured
1634 * Return 0 on success and a negative value on error
1635 * Configure the Rx VSI for operation.
1637 int ice_vsi_cfg_rxqs(struct ice_vsi *vsi)
1641 if (vsi->type == ICE_VSI_VF)
1644 if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN)
1645 vsi->max_frame = vsi->netdev->mtu +
1646 ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
1648 vsi->max_frame = ICE_RXBUF_2048;
1650 vsi->rx_buf_len = ICE_RXBUF_2048;
1652 /* set up individual rings */
1653 for (i = 0; i < vsi->num_rxq; i++) {
1656 err = ice_setup_rx_ctx(vsi->rx_rings[i]);
1658 dev_err(&vsi->back->pdev->dev,
1659 "ice_setup_rx_ctx failed for RxQ %d, err %d\n",
1669 * ice_vsi_cfg_txqs - Configure the VSI for Tx
1670 * @vsi: the VSI being configured
1671 * @rings: Tx ring array to be configured
1672 * @offset: offset within vsi->txq_map
1674 * Return 0 on success and a negative value on error
1675 * Configure the Tx VSI for operation.
1678 ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, int offset)
1680 struct ice_aqc_add_tx_qgrp *qg_buf;
1681 struct ice_aqc_add_txqs_perq *txq;
1682 struct ice_pf *pf = vsi->back;
1683 u8 num_q_grps, q_idx = 0;
1684 enum ice_status status;
1685 u16 buf_len, i, pf_q;
1688 buf_len = sizeof(*qg_buf);
1689 qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL);
1693 qg_buf->num_txqs = 1;
1696 /* set up and configure the Tx queues for each enabled TC */
1697 ice_for_each_traffic_class(tc) {
1698 if (!(vsi->tc_cfg.ena_tc & BIT(tc)))
1701 for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) {
1702 struct ice_tlan_ctx tlan_ctx = { 0 };
1704 pf_q = vsi->txq_map[q_idx + offset];
1705 ice_setup_tx_ctx(rings[q_idx], &tlan_ctx, pf_q);
1706 /* copy context contents into the qg_buf */
1707 qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q);
1708 ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
1711 /* init queue specific tail reg. It is referred as
1712 * transmit comm scheduler queue doorbell.
1714 rings[q_idx]->tail =
1715 pf->hw.hw_addr + QTX_COMM_DBELL(pf_q);
1716 status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc,
1717 i, num_q_grps, qg_buf,
1720 dev_err(&pf->pdev->dev,
1721 "Failed to set LAN Tx queue context, error: %d\n",
1727 /* Add Tx Queue TEID into the VSI Tx ring from the
1728 * response. This will complete configuring and
1729 * enabling the queue.
1731 txq = &qg_buf->txqs[0];
1732 if (pf_q == le16_to_cpu(txq->txq_id))
1733 rings[q_idx]->txq_teid =
1734 le32_to_cpu(txq->q_teid);
1740 devm_kfree(&pf->pdev->dev, qg_buf);
1745 * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx
1746 * @vsi: the VSI being configured
1748 * Return 0 on success and a negative value on error
1749 * Configure the Tx VSI for operation.
1751 int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi)
1753 return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, 0);
1757 * ice_intrl_usec_to_reg - convert interrupt rate limit to register value
1758 * @intrl: interrupt rate limit in usecs
1759 * @gran: interrupt rate limit granularity in usecs
1761 * This function converts a decimal interrupt rate limit in usecs to the format
1762 * expected by firmware.
1764 u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran)
1766 u32 val = intrl / gran;
1769 return val | GLINT_RATE_INTRL_ENA_M;
1774 * ice_cfg_itr_gran - set the ITR granularity to 2 usecs if not already set
1775 * @hw: board specific structure
1777 static void ice_cfg_itr_gran(struct ice_hw *hw)
1779 u32 regval = rd32(hw, GLINT_CTL);
1781 /* no need to update global register if ITR gran is already set */
1782 if (!(regval & GLINT_CTL_DIS_AUTOMASK_M) &&
1783 (((regval & GLINT_CTL_ITR_GRAN_200_M) >>
1784 GLINT_CTL_ITR_GRAN_200_S) == ICE_ITR_GRAN_US) &&
1785 (((regval & GLINT_CTL_ITR_GRAN_100_M) >>
1786 GLINT_CTL_ITR_GRAN_100_S) == ICE_ITR_GRAN_US) &&
1787 (((regval & GLINT_CTL_ITR_GRAN_50_M) >>
1788 GLINT_CTL_ITR_GRAN_50_S) == ICE_ITR_GRAN_US) &&
1789 (((regval & GLINT_CTL_ITR_GRAN_25_M) >>
1790 GLINT_CTL_ITR_GRAN_25_S) == ICE_ITR_GRAN_US))
1793 regval = ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_200_S) &
1794 GLINT_CTL_ITR_GRAN_200_M) |
1795 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_100_S) &
1796 GLINT_CTL_ITR_GRAN_100_M) |
1797 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_50_S) &
1798 GLINT_CTL_ITR_GRAN_50_M) |
1799 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_25_S) &
1800 GLINT_CTL_ITR_GRAN_25_M);
1801 wr32(hw, GLINT_CTL, regval);
1805 * ice_cfg_itr - configure the initial interrupt throttle values
1806 * @hw: pointer to the HW structure
1807 * @q_vector: interrupt vector that's being configured
1809 * Configure interrupt throttling values for the ring containers that are
1810 * associated with the interrupt vector passed in.
1813 ice_cfg_itr(struct ice_hw *hw, struct ice_q_vector *q_vector)
1815 ice_cfg_itr_gran(hw);
1817 if (q_vector->num_ring_rx) {
1818 struct ice_ring_container *rc = &q_vector->rx;
1820 /* if this value is set then don't overwrite with default */
1821 if (!rc->itr_setting)
1822 rc->itr_setting = ICE_DFLT_RX_ITR;
1824 rc->target_itr = ITR_TO_REG(rc->itr_setting);
1825 rc->next_update = jiffies + 1;
1826 rc->current_itr = rc->target_itr;
1827 wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx),
1828 ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S);
1831 if (q_vector->num_ring_tx) {
1832 struct ice_ring_container *rc = &q_vector->tx;
1834 /* if this value is set then don't overwrite with default */
1835 if (!rc->itr_setting)
1836 rc->itr_setting = ICE_DFLT_TX_ITR;
1838 rc->target_itr = ITR_TO_REG(rc->itr_setting);
1839 rc->next_update = jiffies + 1;
1840 rc->current_itr = rc->target_itr;
1841 wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx),
1842 ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S);
1847 * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
1848 * @vsi: the VSI being configured
1850 void ice_vsi_cfg_msix(struct ice_vsi *vsi)
1852 struct ice_pf *pf = vsi->back;
1853 struct ice_hw *hw = &pf->hw;
1854 u32 txq = 0, rxq = 0;
1857 for (i = 0; i < vsi->num_q_vectors; i++) {
1858 struct ice_q_vector *q_vector = vsi->q_vectors[i];
1859 u16 reg_idx = q_vector->reg_idx;
1861 ice_cfg_itr(hw, q_vector);
1863 wr32(hw, GLINT_RATE(reg_idx),
1864 ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran));
1866 /* Both Transmit Queue Interrupt Cause Control register
1867 * and Receive Queue Interrupt Cause control register
1868 * expects MSIX_INDX field to be the vector index
1869 * within the function space and not the absolute
1870 * vector index across PF or across device.
1871 * For SR-IOV VF VSIs queue vector index always starts
1872 * with 1 since first vector index(0) is used for OICR
1873 * in VF space. Since VMDq and other PF VSIs are within
1874 * the PF function space, use the vector index that is
1875 * tracked for this PF.
1877 for (q = 0; q < q_vector->num_ring_tx; q++) {
1878 int itr_idx = q_vector->tx.itr_idx;
1881 if (vsi->type == ICE_VSI_VF)
1882 val = QINT_TQCTL_CAUSE_ENA_M |
1883 (itr_idx << QINT_TQCTL_ITR_INDX_S) |
1884 ((i + 1) << QINT_TQCTL_MSIX_INDX_S);
1886 val = QINT_TQCTL_CAUSE_ENA_M |
1887 (itr_idx << QINT_TQCTL_ITR_INDX_S) |
1888 (reg_idx << QINT_TQCTL_MSIX_INDX_S);
1889 wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val);
1893 for (q = 0; q < q_vector->num_ring_rx; q++) {
1894 int itr_idx = q_vector->rx.itr_idx;
1897 if (vsi->type == ICE_VSI_VF)
1898 val = QINT_RQCTL_CAUSE_ENA_M |
1899 (itr_idx << QINT_RQCTL_ITR_INDX_S) |
1900 ((i + 1) << QINT_RQCTL_MSIX_INDX_S);
1902 val = QINT_RQCTL_CAUSE_ENA_M |
1903 (itr_idx << QINT_RQCTL_ITR_INDX_S) |
1904 (reg_idx << QINT_RQCTL_MSIX_INDX_S);
1905 wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val);
1914 * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx
1915 * @vsi: the VSI being changed
1917 int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
1919 struct device *dev = &vsi->back->pdev->dev;
1920 struct ice_hw *hw = &vsi->back->hw;
1921 struct ice_vsi_ctx *ctxt;
1922 enum ice_status status;
1925 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
1929 /* Here we are configuring the VSI to let the driver add VLAN tags by
1930 * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag
1931 * insertion happens in the Tx hot path, in ice_tx_map.
1933 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
1935 ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
1937 status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
1939 dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n",
1940 status, hw->adminq.sq_last_status);
1945 vsi->info.vlan_flags = ctxt->info.vlan_flags;
1947 devm_kfree(dev, ctxt);
1952 * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx
1953 * @vsi: the VSI being changed
1954 * @ena: boolean value indicating if this is a enable or disable request
1956 int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
1958 struct device *dev = &vsi->back->pdev->dev;
1959 struct ice_hw *hw = &vsi->back->hw;
1960 struct ice_vsi_ctx *ctxt;
1961 enum ice_status status;
1964 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
1968 /* Here we are configuring what the VSI should do with the VLAN tag in
1969 * the Rx packet. We can either leave the tag in the packet or put it in
1970 * the Rx descriptor.
1973 /* Strip VLAN tag from Rx packet and put it in the desc */
1974 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH;
1976 /* Disable stripping. Leave tag in packet */
1977 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
1979 /* Allow all packets untagged/tagged */
1980 ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
1982 ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
1984 status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
1986 dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n",
1987 ena, status, hw->adminq.sq_last_status);
1992 vsi->info.vlan_flags = ctxt->info.vlan_flags;
1994 devm_kfree(dev, ctxt);
1999 * ice_vsi_start_rx_rings - start VSI's Rx rings
2000 * @vsi: the VSI whose rings are to be started
2002 * Returns 0 on success and a negative value on error
2004 int ice_vsi_start_rx_rings(struct ice_vsi *vsi)
2006 return ice_vsi_ctrl_rx_rings(vsi, true);
2010 * ice_vsi_stop_rx_rings - stop VSI's Rx rings
2013 * Returns 0 on success and a negative value on error
2015 int ice_vsi_stop_rx_rings(struct ice_vsi *vsi)
2017 return ice_vsi_ctrl_rx_rings(vsi, false);
2021 * ice_vsi_stop_tx_rings - Disable Tx rings
2022 * @vsi: the VSI being configured
2023 * @rst_src: reset source
2024 * @rel_vmvf_num: Relative ID of VF/VM
2025 * @rings: Tx ring array to be stopped
2026 * @offset: offset within vsi->txq_map
2029 ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
2030 u16 rel_vmvf_num, struct ice_ring **rings, int offset)
2032 struct ice_pf *pf = vsi->back;
2033 struct ice_hw *hw = &pf->hw;
2034 int tc, q_idx = 0, err = 0;
2035 u16 *q_ids, *q_handles, i;
2036 enum ice_status status;
2039 if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS)
2042 q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids),
2047 q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids),
2051 goto err_alloc_q_ids;
2054 q_handles = devm_kcalloc(&pf->pdev->dev, vsi->num_txq,
2055 sizeof(*q_handles), GFP_KERNEL);
2058 goto err_alloc_q_handles;
2061 /* set up the Tx queue list to be disabled for each enabled TC */
2062 ice_for_each_traffic_class(tc) {
2063 if (!(vsi->tc_cfg.ena_tc & BIT(tc)))
2066 for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) {
2067 if (!rings || !rings[q_idx] ||
2068 !rings[q_idx]->q_vector) {
2073 q_ids[i] = vsi->txq_map[q_idx + offset];
2074 q_teids[i] = rings[q_idx]->txq_teid;
2077 /* clear cause_ena bit for disabled queues */
2078 val = rd32(hw, QINT_TQCTL(rings[i]->reg_idx));
2079 val &= ~QINT_TQCTL_CAUSE_ENA_M;
2080 wr32(hw, QINT_TQCTL(rings[i]->reg_idx), val);
2082 /* software is expected to wait for 100 ns */
2085 /* trigger a software interrupt for the vector
2086 * associated to the queue to schedule NAPI handler
2088 wr32(hw, GLINT_DYN_CTL(rings[i]->q_vector->reg_idx),
2089 GLINT_DYN_CTL_SWINT_TRIG_M |
2090 GLINT_DYN_CTL_INTENA_MSK_M);
2093 status = ice_dis_vsi_txq(vsi->port_info, vsi->idx, tc,
2094 vsi->num_txq, q_handles, q_ids,
2095 q_teids, rst_src, rel_vmvf_num, NULL);
2097 /* if the disable queue command was exercised during an active
2098 * reset flow, ICE_ERR_RESET_ONGOING is returned. This is not
2099 * an error as the reset operation disables queues at the
2100 * hardware level anyway.
2102 if (status == ICE_ERR_RESET_ONGOING) {
2103 dev_dbg(&pf->pdev->dev,
2104 "Reset in progress. LAN Tx queues already disabled\n");
2105 } else if (status) {
2106 dev_err(&pf->pdev->dev,
2107 "Failed to disable LAN Tx queues, error: %d\n",
2114 devm_kfree(&pf->pdev->dev, q_handles);
2116 err_alloc_q_handles:
2117 devm_kfree(&pf->pdev->dev, q_ids);
2120 devm_kfree(&pf->pdev->dev, q_teids);
2126 * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings
2127 * @vsi: the VSI being configured
2128 * @rst_src: reset source
2129 * @rel_vmvf_num: Relative ID of VF/VM
2132 ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
2135 return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings,
2140 * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI
2141 * @vsi: VSI to enable or disable VLAN pruning on
2142 * @ena: set to true to enable VLAN pruning and false to disable it
2143 * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode
2145 * returns 0 if VSI is updated, negative otherwise
2147 int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc)
2149 struct ice_vsi_ctx *ctxt;
2158 dev = &pf->pdev->dev;
2159 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
2163 ctxt->info = vsi->info;
2166 ctxt->info.sec_flags |=
2167 ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
2168 ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S;
2169 ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
2171 ctxt->info.sec_flags &=
2172 ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
2173 ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
2174 ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
2178 ctxt->info.valid_sections =
2179 cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID |
2180 ICE_AQ_VSI_PROP_SW_VALID);
2182 status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL);
2184 netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n",
2185 ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status,
2186 pf->hw.adminq.sq_last_status);
2190 vsi->info.sec_flags = ctxt->info.sec_flags;
2191 vsi->info.sw_flags2 = ctxt->info.sw_flags2;
2193 devm_kfree(dev, ctxt);
2197 devm_kfree(dev, ctxt);
2201 static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi)
2203 struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg;
2205 vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg);
2206 vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg);
2210 * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors
2211 * @vsi: VSI to set the q_vectors register index on
2214 ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi)
2218 if (!vsi || !vsi->q_vectors)
2221 ice_for_each_q_vector(vsi, i) {
2222 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2225 dev_err(&vsi->back->pdev->dev,
2226 "Failed to set reg_idx on q_vector %d VSI %d\n",
2231 q_vector->reg_idx = q_vector->v_idx + vsi->hw_base_vector;
2237 ice_for_each_q_vector(vsi, i) {
2238 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2241 q_vector->reg_idx = 0;
2248 * ice_vsi_setup - Set up a VSI by a given type
2249 * @pf: board private structure
2250 * @pi: pointer to the port_info instance
2252 * @vf_id: defines VF ID to which this VSI connects. This field is meant to be
2253 * used only for ICE_VSI_VF VSI type. For other VSI types, should
2254 * fill-in ICE_INVAL_VFID as input.
2256 * This allocates the sw VSI structure and its queue resources.
2258 * Returns pointer to the successfully allocated and configured VSI sw struct on
2259 * success, NULL on failure.
2262 ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
2263 enum ice_vsi_type type, u16 vf_id)
2265 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
2266 struct device *dev = &pf->pdev->dev;
2267 struct ice_vsi *vsi;
2270 if (type == ICE_VSI_VF)
2271 vsi = ice_vsi_alloc(pf, type, vf_id);
2273 vsi = ice_vsi_alloc(pf, type, ICE_INVAL_VFID);
2276 dev_err(dev, "could not allocate VSI\n");
2280 vsi->port_info = pi;
2281 vsi->vsw = pf->first_sw;
2282 if (vsi->type == ICE_VSI_VF)
2285 if (ice_vsi_get_qs(vsi)) {
2286 dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
2291 /* set RSS capabilities */
2292 ice_vsi_set_rss_params(vsi);
2294 /* set TC configuration */
2295 ice_vsi_set_tc_cfg(vsi);
2297 /* create the VSI */
2298 ret = ice_vsi_init(vsi);
2302 switch (vsi->type) {
2304 ret = ice_vsi_alloc_q_vectors(vsi);
2306 goto unroll_vsi_init;
2308 ret = ice_vsi_setup_vector_base(vsi);
2310 goto unroll_alloc_q_vector;
2312 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2314 goto unroll_vector_base;
2316 ret = ice_vsi_alloc_rings(vsi);
2318 goto unroll_vector_base;
2320 ice_vsi_map_rings_to_vectors(vsi);
2322 /* Do not exit if configuring RSS had an issue, at least
2323 * receive traffic on first queue. Hence no need to capture
2326 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2327 ice_vsi_cfg_rss_lut_key(vsi);
2330 /* VF driver will take care of creating netdev for this type and
2331 * map queues to vectors through Virtchnl, PF driver only
2332 * creates a VSI and corresponding structures for bookkeeping
2335 ret = ice_vsi_alloc_q_vectors(vsi);
2337 goto unroll_vsi_init;
2339 ret = ice_vsi_alloc_rings(vsi);
2341 goto unroll_alloc_q_vector;
2343 /* Setup Vector base only during VF init phase or when VF asks
2344 * for more vectors than assigned number. In all other cases,
2345 * assign hw_base_vector to the value given earlier.
2347 if (test_bit(ICE_VF_STATE_CFG_INTR, pf->vf[vf_id].vf_states)) {
2348 ret = ice_vsi_setup_vector_base(vsi);
2350 goto unroll_vector_base;
2352 vsi->hw_base_vector = pf->vf[vf_id].first_vector_idx;
2354 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2356 goto unroll_vector_base;
2358 pf->q_left_tx -= vsi->alloc_txq;
2359 pf->q_left_rx -= vsi->alloc_rxq;
2362 /* clean up the resources and exit */
2363 goto unroll_vsi_init;
2366 /* configure VSI nodes based on number of queues and TC's */
2367 for (i = 0; i < vsi->tc_cfg.numtc; i++)
2368 max_txqs[i] = pf->num_lan_tx;
2370 ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
2373 dev_err(&pf->pdev->dev,
2374 "VSI %d failed lan queue config, error %d\n",
2376 goto unroll_vector_base;
2382 /* reclaim SW interrupts back to the common pool */
2383 ice_free_res(pf->sw_irq_tracker, vsi->sw_base_vector, vsi->idx);
2384 pf->num_avail_sw_msix += vsi->num_q_vectors;
2385 /* reclaim HW interrupt back to the common pool */
2386 ice_free_res(pf->hw_irq_tracker, vsi->hw_base_vector, vsi->idx);
2387 pf->num_avail_hw_msix += vsi->num_q_vectors;
2388 unroll_alloc_q_vector:
2389 ice_vsi_free_q_vectors(vsi);
2391 ice_vsi_delete(vsi);
2393 ice_vsi_put_qs(vsi);
2394 pf->q_left_tx += vsi->alloc_txq;
2395 pf->q_left_rx += vsi->alloc_rxq;
2402 * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
2403 * @vsi: the VSI being cleaned up
2405 static void ice_vsi_release_msix(struct ice_vsi *vsi)
2407 struct ice_pf *pf = vsi->back;
2408 u16 vector = vsi->hw_base_vector;
2409 struct ice_hw *hw = &pf->hw;
2414 for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
2415 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2417 wr32(hw, GLINT_ITR(ICE_IDX_ITR0, vector), 0);
2418 wr32(hw, GLINT_ITR(ICE_IDX_ITR1, vector), 0);
2419 for (q = 0; q < q_vector->num_ring_tx; q++) {
2420 wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
2424 for (q = 0; q < q_vector->num_ring_rx; q++) {
2425 wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0);
2434 * ice_vsi_free_irq - Free the IRQ association with the OS
2435 * @vsi: the VSI being configured
2437 void ice_vsi_free_irq(struct ice_vsi *vsi)
2439 struct ice_pf *pf = vsi->back;
2440 int base = vsi->sw_base_vector;
2442 if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
2445 if (!vsi->q_vectors || !vsi->irqs_ready)
2448 ice_vsi_release_msix(vsi);
2449 if (vsi->type == ICE_VSI_VF)
2452 vsi->irqs_ready = false;
2453 ice_for_each_q_vector(vsi, i) {
2454 u16 vector = i + base;
2457 irq_num = pf->msix_entries[vector].vector;
2459 /* free only the irqs that were actually requested */
2460 if (!vsi->q_vectors[i] ||
2461 !(vsi->q_vectors[i]->num_ring_tx ||
2462 vsi->q_vectors[i]->num_ring_rx))
2465 /* clear the affinity notifier in the IRQ descriptor */
2466 irq_set_affinity_notifier(irq_num, NULL);
2468 /* clear the affinity_mask in the IRQ descriptor */
2469 irq_set_affinity_hint(irq_num, NULL);
2470 synchronize_irq(irq_num);
2471 devm_free_irq(&pf->pdev->dev, irq_num,
2478 * ice_vsi_free_tx_rings - Free Tx resources for VSI queues
2479 * @vsi: the VSI having resources freed
2481 void ice_vsi_free_tx_rings(struct ice_vsi *vsi)
2488 ice_for_each_txq(vsi, i)
2489 if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
2490 ice_free_tx_ring(vsi->tx_rings[i]);
2494 * ice_vsi_free_rx_rings - Free Rx resources for VSI queues
2495 * @vsi: the VSI having resources freed
2497 void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
2504 ice_for_each_rxq(vsi, i)
2505 if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc)
2506 ice_free_rx_ring(vsi->rx_rings[i]);
2510 * ice_vsi_close - Shut down a VSI
2511 * @vsi: the VSI being shut down
2513 void ice_vsi_close(struct ice_vsi *vsi)
2515 if (!test_and_set_bit(__ICE_DOWN, vsi->state))
2518 ice_vsi_free_irq(vsi);
2519 ice_vsi_free_tx_rings(vsi);
2520 ice_vsi_free_rx_rings(vsi);
2524 * ice_free_res - free a block of resources
2525 * @res: pointer to the resource
2526 * @index: starting index previously returned by ice_get_res
2527 * @id: identifier to track owner
2529 * Returns number of resources freed
2531 int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
2536 if (!res || index >= res->num_entries)
2539 id |= ICE_RES_VALID_BIT;
2540 for (i = index; i < res->num_entries && res->list[i] == id; i++) {
2549 * ice_search_res - Search the tracker for a block of resources
2550 * @res: pointer to the resource
2551 * @needed: size of the block needed
2552 * @id: identifier to track owner
2554 * Returns the base item index of the block, or -ENOMEM for error
2556 static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
2558 int start = res->search_hint;
2561 if ((start + needed) > res->num_entries)
2564 id |= ICE_RES_VALID_BIT;
2567 /* skip already allocated entries */
2568 if (res->list[end++] & ICE_RES_VALID_BIT) {
2570 if ((start + needed) > res->num_entries)
2574 if (end == (start + needed)) {
2577 /* there was enough, so assign it to the requestor */
2579 res->list[i++] = id;
2581 if (end == res->num_entries)
2584 res->search_hint = end;
2593 * ice_get_res - get a block of resources
2594 * @pf: board private structure
2595 * @res: pointer to the resource
2596 * @needed: size of the block needed
2597 * @id: identifier to track owner
2599 * Returns the base item index of the block, or -ENOMEM for error
2600 * The search_hint trick and lack of advanced fit-finding only works
2601 * because we're highly likely to have all the same sized requests.
2602 * Linear search time and any fragmentation should be minimal.
2605 ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id)
2612 if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) {
2613 dev_err(&pf->pdev->dev,
2614 "param err: needed=%d, num_entries = %d id=0x%04x\n",
2615 needed, res->num_entries, id);
2619 /* search based on search_hint */
2620 ret = ice_search_res(res, needed, id);
2623 /* previous search failed. Reset search hint and try again */
2624 res->search_hint = 0;
2625 ret = ice_search_res(res, needed, id);
2632 * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI
2633 * @vsi: the VSI being un-configured
2635 void ice_vsi_dis_irq(struct ice_vsi *vsi)
2637 int base = vsi->sw_base_vector;
2638 struct ice_pf *pf = vsi->back;
2639 struct ice_hw *hw = &pf->hw;
2643 /* disable interrupt causation from each queue */
2644 if (vsi->tx_rings) {
2645 ice_for_each_txq(vsi, i) {
2646 if (vsi->tx_rings[i]) {
2649 reg = vsi->tx_rings[i]->reg_idx;
2650 val = rd32(hw, QINT_TQCTL(reg));
2651 val &= ~QINT_TQCTL_CAUSE_ENA_M;
2652 wr32(hw, QINT_TQCTL(reg), val);
2657 if (vsi->rx_rings) {
2658 ice_for_each_rxq(vsi, i) {
2659 if (vsi->rx_rings[i]) {
2662 reg = vsi->rx_rings[i]->reg_idx;
2663 val = rd32(hw, QINT_RQCTL(reg));
2664 val &= ~QINT_RQCTL_CAUSE_ENA_M;
2665 wr32(hw, QINT_RQCTL(reg), val);
2670 /* disable each interrupt */
2671 if (test_bit(ICE_FLAG_MSIX_ENA, pf->flags)) {
2672 ice_for_each_q_vector(vsi, i)
2673 wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0);
2677 ice_for_each_q_vector(vsi, i)
2678 synchronize_irq(pf->msix_entries[i + base].vector);
2683 * ice_vsi_release - Delete a VSI and free its resources
2684 * @vsi: the VSI being removed
2686 * Returns 0 on success or < 0 on error
2688 int ice_vsi_release(struct ice_vsi *vsi)
2690 struct ice_vf *vf = NULL;
2697 if (vsi->type == ICE_VSI_VF)
2698 vf = &pf->vf[vsi->vf_id];
2699 /* do not unregister and free netdevs while driver is in the reset
2700 * recovery pending state. Since reset/rebuild happens through PF
2701 * service task workqueue, its not a good idea to unregister netdev
2702 * that is associated to the PF that is running the work queue items
2703 * currently. This is done to avoid check_flush_dependency() warning
2706 if (vsi->netdev && !ice_is_reset_in_progress(pf->state)) {
2708 unregister_netdev(vsi->netdev);
2709 free_netdev(vsi->netdev);
2713 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2716 /* Disable VSI and free resources */
2717 ice_vsi_dis_irq(vsi);
2720 /* reclaim interrupt vectors back to PF */
2721 if (vsi->type != ICE_VSI_VF) {
2722 /* reclaim SW interrupts back to the common pool */
2723 ice_free_res(pf->sw_irq_tracker, vsi->sw_base_vector, vsi->idx);
2724 pf->num_avail_sw_msix += vsi->num_q_vectors;
2725 /* reclaim HW interrupts back to the common pool */
2726 ice_free_res(pf->hw_irq_tracker, vsi->hw_base_vector, vsi->idx);
2727 pf->num_avail_hw_msix += vsi->num_q_vectors;
2728 } else if (test_bit(ICE_VF_STATE_CFG_INTR, vf->vf_states)) {
2729 /* Reclaim VF resources back only while freeing all VFs or
2730 * vector reassignment is requested
2732 ice_free_res(pf->hw_irq_tracker, vf->first_vector_idx,
2734 pf->num_avail_hw_msix += pf->num_vf_msix;
2737 ice_remove_vsi_fltr(&pf->hw, vsi->idx);
2738 ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
2739 ice_vsi_delete(vsi);
2740 ice_vsi_free_q_vectors(vsi);
2741 ice_vsi_clear_rings(vsi);
2743 ice_vsi_put_qs(vsi);
2744 pf->q_left_tx += vsi->alloc_txq;
2745 pf->q_left_rx += vsi->alloc_rxq;
2747 /* retain SW VSI data structure since it is needed to unregister and
2748 * free VSI netdev when PF is not in reset recovery pending state,\
2749 * for ex: during rmmod.
2751 if (!ice_is_reset_in_progress(pf->state))
2758 * ice_vsi_rebuild - Rebuild VSI after reset
2759 * @vsi: VSI to be rebuild
2761 * Returns 0 on success and negative value on failure
2763 int ice_vsi_rebuild(struct ice_vsi *vsi)
2765 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
2766 struct ice_vf *vf = NULL;
2774 if (vsi->type == ICE_VSI_VF)
2775 vf = &pf->vf[vsi->vf_id];
2777 ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
2778 ice_vsi_free_q_vectors(vsi);
2780 if (vsi->type != ICE_VSI_VF) {
2781 /* reclaim SW interrupts back to the common pool */
2782 ice_free_res(pf->sw_irq_tracker, vsi->sw_base_vector, vsi->idx);
2783 pf->num_avail_sw_msix += vsi->num_q_vectors;
2784 vsi->sw_base_vector = 0;
2785 /* reclaim HW interrupts back to the common pool */
2786 ice_free_res(pf->hw_irq_tracker, vsi->hw_base_vector,
2788 pf->num_avail_hw_msix += vsi->num_q_vectors;
2790 /* Reclaim VF resources back to the common pool for reset and
2791 * and rebuild, with vector reassignment
2793 ice_free_res(pf->hw_irq_tracker, vf->first_vector_idx,
2795 pf->num_avail_hw_msix += pf->num_vf_msix;
2797 vsi->hw_base_vector = 0;
2799 ice_vsi_clear_rings(vsi);
2800 ice_vsi_free_arrays(vsi, false);
2801 ice_dev_onetime_setup(&pf->hw);
2802 if (vsi->type == ICE_VSI_VF)
2803 ice_vsi_set_num_qs(vsi, vf->vf_id);
2805 ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID);
2806 ice_vsi_set_tc_cfg(vsi);
2808 /* Initialize VSI struct elements and create VSI in FW */
2809 ret = ice_vsi_init(vsi);
2813 ret = ice_vsi_alloc_arrays(vsi, false);
2817 switch (vsi->type) {
2819 ret = ice_vsi_alloc_q_vectors(vsi);
2823 ret = ice_vsi_setup_vector_base(vsi);
2827 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2831 ret = ice_vsi_alloc_rings(vsi);
2835 ice_vsi_map_rings_to_vectors(vsi);
2836 /* Do not exit if configuring RSS had an issue, at least
2837 * receive traffic on first queue. Hence no need to capture
2840 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2841 ice_vsi_cfg_rss_lut_key(vsi);
2844 ret = ice_vsi_alloc_q_vectors(vsi);
2848 ret = ice_vsi_setup_vector_base(vsi);
2852 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2856 ret = ice_vsi_alloc_rings(vsi);
2860 pf->q_left_tx -= vsi->alloc_txq;
2861 pf->q_left_rx -= vsi->alloc_rxq;
2867 /* configure VSI nodes based on number of queues and TC's */
2868 for (i = 0; i < vsi->tc_cfg.numtc; i++)
2869 max_txqs[i] = pf->num_lan_tx;
2871 ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
2874 dev_err(&pf->pdev->dev,
2875 "VSI %d failed lan queue config, error %d\n",
2882 ice_vsi_free_q_vectors(vsi);
2885 vsi->current_netdev_flags = 0;
2886 unregister_netdev(vsi->netdev);
2887 free_netdev(vsi->netdev);
2892 set_bit(__ICE_RESET_FAILED, pf->state);
2897 * ice_is_reset_in_progress - check for a reset in progress
2898 * @state: pf state field
2900 bool ice_is_reset_in_progress(unsigned long *state)
2902 return test_bit(__ICE_RESET_OICR_RECV, state) ||
2903 test_bit(__ICE_PFR_REQ, state) ||
2904 test_bit(__ICE_CORER_REQ, state) ||
2905 test_bit(__ICE_GLOBR_REQ, state);
2910 * ice_vsi_update_q_map - update our copy of the VSI info with new queue map
2911 * @vsi: VSI being configured
2912 * @ctx: the context buffer returned from AQ VSI update command
2914 static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx)
2916 vsi->info.mapping_flags = ctx->info.mapping_flags;
2917 memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping,
2918 sizeof(vsi->info.q_mapping));
2919 memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping,
2920 sizeof(vsi->info.tc_mapping));
2924 * ice_vsi_cfg_netdev_tc - Setup the netdev TC configuration
2925 * @vsi: the VSI being configured
2926 * @ena_tc: TC map to be enabled
2928 static void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc)
2930 struct net_device *netdev = vsi->netdev;
2931 struct ice_pf *pf = vsi->back;
2932 struct ice_dcbx_cfg *dcbcfg;
2940 netdev_reset_tc(netdev);
2944 if (netdev_set_num_tc(netdev, vsi->tc_cfg.numtc))
2947 dcbcfg = &pf->hw.port_info->local_dcbx_cfg;
2949 ice_for_each_traffic_class(i)
2950 if (vsi->tc_cfg.ena_tc & BIT(i))
2951 netdev_set_tc_queue(netdev,
2952 vsi->tc_cfg.tc_info[i].netdev_tc,
2953 vsi->tc_cfg.tc_info[i].qcount_tx,
2954 vsi->tc_cfg.tc_info[i].qoffset);
2956 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
2957 u8 ets_tc = dcbcfg->etscfg.prio_table[i];
2959 /* Get the mapped netdev TC# for the UP */
2960 netdev_tc = vsi->tc_cfg.tc_info[ets_tc].netdev_tc;
2961 netdev_set_prio_tc_map(netdev, i, netdev_tc);
2966 * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map
2967 * @vsi: VSI to be configured
2968 * @ena_tc: TC bitmap
2970 * VSI queues expected to be quiesced before calling this function
2972 int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
2974 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
2975 struct ice_vsi_ctx *ctx;
2976 struct ice_pf *pf = vsi->back;
2977 enum ice_status status;
2981 ice_for_each_traffic_class(i) {
2982 /* build bitmap of enabled TCs */
2983 if (ena_tc & BIT(i))
2985 /* populate max_txqs per TC */
2986 max_txqs[i] = pf->num_lan_tx;
2989 vsi->tc_cfg.ena_tc = ena_tc;
2990 vsi->tc_cfg.numtc = num_tc;
2992 ctx = devm_kzalloc(&pf->pdev->dev, sizeof(*ctx), GFP_KERNEL);
2997 ctx->info = vsi->info;
2999 ice_vsi_setup_q_map(vsi, ctx);
3001 /* must to indicate which section of VSI context are being modified */
3002 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID);
3003 status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL);
3005 dev_info(&pf->pdev->dev, "Failed VSI Update\n");
3010 status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
3014 dev_err(&pf->pdev->dev,
3015 "VSI %d failed TC config, error %d\n",
3016 vsi->vsi_num, status);
3020 ice_vsi_update_q_map(vsi, ctx);
3021 vsi->info.valid_sections = 0;
3023 ice_vsi_cfg_netdev_tc(vsi, ena_tc);
3025 devm_kfree(&pf->pdev->dev, ctx);
3028 #endif /* CONFIG_DCB */