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
143 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF;
146 /* Firmware expects vmvf_num to be absolute VF ID */
147 tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf_id;
148 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF;
154 /* make sure the context is associated with the right VSI */
155 tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx);
157 tlan_ctx->tso_ena = ICE_TX_LEGACY;
158 tlan_ctx->tso_qnum = pf_q;
160 /* Legacy or Advanced Host Interface:
161 * 0: Advanced Host Interface
162 * 1: Legacy Host Interface
164 tlan_ctx->legacy_int = ICE_TX_LEGACY;
168 * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
169 * @pf: the PF being configured
170 * @pf_q: the PF queue
171 * @ena: enable or disable state of the queue
173 * This routine will wait for the given Rx queue of the PF to reach the
174 * enabled or disabled state.
175 * Returns -ETIMEDOUT in case of failing to reach the requested state after
176 * multiple retries; else will return 0 in case of success.
178 static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena)
182 for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) {
183 if (ena == !!(rd32(&pf->hw, QRX_CTRL(pf_q)) &
184 QRX_CTRL_QENA_STAT_M))
187 usleep_range(20, 40);
194 * ice_vsi_ctrl_rx_rings - Start or stop a VSI's Rx rings
195 * @vsi: the VSI being configured
196 * @ena: start or stop the Rx rings
198 static int ice_vsi_ctrl_rx_rings(struct ice_vsi *vsi, bool ena)
200 struct ice_pf *pf = vsi->back;
201 struct ice_hw *hw = &pf->hw;
204 for (i = 0; i < vsi->num_rxq; i++) {
205 int pf_q = vsi->rxq_map[i];
208 rx_reg = rd32(hw, QRX_CTRL(pf_q));
210 /* Skip if the queue is already in the requested state */
211 if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M))
214 /* turn on/off the queue */
216 rx_reg |= QRX_CTRL_QENA_REQ_M;
218 rx_reg &= ~QRX_CTRL_QENA_REQ_M;
219 wr32(hw, QRX_CTRL(pf_q), rx_reg);
221 /* wait for the change to finish */
222 ret = ice_pf_rxq_wait(pf, pf_q, ena);
224 dev_err(&pf->pdev->dev,
225 "VSI idx %d Rx ring %d %sable timeout\n",
226 vsi->idx, pf_q, (ena ? "en" : "dis"));
235 * ice_vsi_alloc_arrays - Allocate queue and vector pointer arrays for the VSI
238 * On error: returns error code (negative)
239 * On success: returns 0
241 static int ice_vsi_alloc_arrays(struct ice_vsi *vsi)
243 struct ice_pf *pf = vsi->back;
245 /* allocate memory for both Tx and Rx ring pointers */
246 vsi->tx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_txq,
247 sizeof(*vsi->tx_rings), GFP_KERNEL);
251 vsi->rx_rings = devm_kcalloc(&pf->pdev->dev, vsi->alloc_rxq,
252 sizeof(*vsi->rx_rings), GFP_KERNEL);
256 /* There is no need to allocate q_vectors for a loopback VSI. */
257 if (vsi->type == ICE_VSI_LB)
260 /* allocate memory for q_vector pointers */
261 vsi->q_vectors = devm_kcalloc(&pf->pdev->dev, vsi->num_q_vectors,
262 sizeof(*vsi->q_vectors), GFP_KERNEL);
269 devm_kfree(&pf->pdev->dev, vsi->rx_rings);
271 devm_kfree(&pf->pdev->dev, vsi->tx_rings);
277 * ice_vsi_set_num_desc - Set number of descriptors for queues on this VSI
278 * @vsi: the VSI being configured
280 static void ice_vsi_set_num_desc(struct ice_vsi *vsi)
286 vsi->num_rx_desc = ICE_DFLT_NUM_RX_DESC;
287 vsi->num_tx_desc = ICE_DFLT_NUM_TX_DESC;
290 dev_dbg(&vsi->back->pdev->dev,
291 "Not setting number of Tx/Rx descriptors for VSI type %d\n",
298 * ice_vsi_set_num_qs - Set number of queues, descriptors and vectors for a VSI
299 * @vsi: the VSI being configured
300 * @vf_id: ID of the VF being configured
302 * Return 0 on success and a negative value on error
304 static void ice_vsi_set_num_qs(struct ice_vsi *vsi, u16 vf_id)
306 struct ice_pf *pf = vsi->back;
307 struct ice_vf *vf = NULL;
309 if (vsi->type == ICE_VSI_VF)
314 vsi->alloc_txq = pf->num_lan_tx;
315 vsi->alloc_rxq = pf->num_lan_rx;
316 vsi->num_q_vectors = max_t(int, pf->num_lan_rx, pf->num_lan_tx);
319 vf = &pf->vf[vsi->vf_id];
320 vsi->alloc_txq = vf->num_vf_qs;
321 vsi->alloc_rxq = vf->num_vf_qs;
322 /* pf->num_vf_msix includes (VF miscellaneous vector +
323 * data queue interrupts). Since vsi->num_q_vectors is number
324 * of queues vectors, subtract 1 (ICE_NONQ_VECS_VF) from the
325 * original vector count
327 vsi->num_q_vectors = pf->num_vf_msix - ICE_NONQ_VECS_VF;
334 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
338 ice_vsi_set_num_desc(vsi);
342 * ice_get_free_slot - get the next non-NULL location index in array
343 * @array: array to search
344 * @size: size of the array
345 * @curr: last known occupied index to be used as a search hint
347 * void * is being used to keep the functionality generic. This lets us use this
348 * function on any array of pointers.
350 static int ice_get_free_slot(void *array, int size, int curr)
352 int **tmp_array = (int **)array;
355 if (curr < (size - 1) && !tmp_array[curr + 1]) {
360 while ((i < size) && (tmp_array[i]))
371 * ice_vsi_delete - delete a VSI from the switch
372 * @vsi: pointer to VSI being removed
374 void ice_vsi_delete(struct ice_vsi *vsi)
376 struct ice_pf *pf = vsi->back;
377 struct ice_vsi_ctx *ctxt;
378 enum ice_status status;
380 ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL);
384 if (vsi->type == ICE_VSI_VF)
385 ctxt->vf_num = vsi->vf_id;
386 ctxt->vsi_num = vsi->vsi_num;
388 memcpy(&ctxt->info, &vsi->info, sizeof(ctxt->info));
390 status = ice_free_vsi(&pf->hw, vsi->idx, ctxt, false, NULL);
392 dev_err(&pf->pdev->dev, "Failed to delete VSI %i in FW\n",
395 devm_kfree(&pf->pdev->dev, ctxt);
399 * ice_vsi_free_arrays - De-allocate queue and vector pointer arrays for the VSI
400 * @vsi: pointer to VSI being cleared
402 static void ice_vsi_free_arrays(struct ice_vsi *vsi)
404 struct ice_pf *pf = vsi->back;
406 /* free the ring and vector containers */
407 if (vsi->q_vectors) {
408 devm_kfree(&pf->pdev->dev, vsi->q_vectors);
409 vsi->q_vectors = NULL;
412 devm_kfree(&pf->pdev->dev, vsi->tx_rings);
413 vsi->tx_rings = NULL;
416 devm_kfree(&pf->pdev->dev, vsi->rx_rings);
417 vsi->rx_rings = NULL;
422 * ice_vsi_clear - clean up and deallocate the provided VSI
423 * @vsi: pointer to VSI being cleared
425 * This deallocates the VSI's queue resources, removes it from the PF's
426 * VSI array if necessary, and deallocates the VSI
428 * Returns 0 on success, negative on failure
430 int ice_vsi_clear(struct ice_vsi *vsi)
432 struct ice_pf *pf = NULL;
442 if (!pf->vsi[vsi->idx] || pf->vsi[vsi->idx] != vsi) {
443 dev_dbg(&pf->pdev->dev, "vsi does not exist at pf->vsi[%d]\n",
448 mutex_lock(&pf->sw_mutex);
449 /* updates the PF for this cleared VSI */
451 pf->vsi[vsi->idx] = NULL;
452 if (vsi->idx < pf->next_vsi)
453 pf->next_vsi = vsi->idx;
455 ice_vsi_free_arrays(vsi);
456 mutex_unlock(&pf->sw_mutex);
457 devm_kfree(&pf->pdev->dev, vsi);
463 * ice_msix_clean_rings - MSIX mode Interrupt Handler
464 * @irq: interrupt number
465 * @data: pointer to a q_vector
467 static irqreturn_t ice_msix_clean_rings(int __always_unused irq, void *data)
469 struct ice_q_vector *q_vector = (struct ice_q_vector *)data;
471 if (!q_vector->tx.ring && !q_vector->rx.ring)
474 napi_schedule(&q_vector->napi);
480 * ice_vsi_alloc - Allocates the next available struct VSI in the PF
481 * @pf: board private structure
483 * @vf_id: ID of the VF being configured
485 * returns a pointer to a VSI on success, NULL on failure.
487 static struct ice_vsi *
488 ice_vsi_alloc(struct ice_pf *pf, enum ice_vsi_type type, u16 vf_id)
490 struct ice_vsi *vsi = NULL;
492 /* Need to protect the allocation of the VSIs at the PF level */
493 mutex_lock(&pf->sw_mutex);
495 /* If we have already allocated our maximum number of VSIs,
496 * pf->next_vsi will be ICE_NO_VSI. If not, pf->next_vsi index
497 * is available to be populated
499 if (pf->next_vsi == ICE_NO_VSI) {
500 dev_dbg(&pf->pdev->dev, "out of VSI slots!\n");
504 vsi = devm_kzalloc(&pf->pdev->dev, sizeof(*vsi), GFP_KERNEL);
510 set_bit(__ICE_DOWN, vsi->state);
511 vsi->idx = pf->next_vsi;
512 vsi->work_lmt = ICE_DFLT_IRQ_WORK;
514 if (type == ICE_VSI_VF)
515 ice_vsi_set_num_qs(vsi, vf_id);
517 ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID);
521 if (ice_vsi_alloc_arrays(vsi))
524 /* Setup default MSIX irq handler for VSI */
525 vsi->irq_handler = ice_msix_clean_rings;
528 if (ice_vsi_alloc_arrays(vsi))
532 if (ice_vsi_alloc_arrays(vsi))
536 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
540 /* fill VSI slot in the PF struct */
541 pf->vsi[pf->next_vsi] = vsi;
543 /* prepare pf->next_vsi for next use */
544 pf->next_vsi = ice_get_free_slot(pf->vsi, pf->num_alloc_vsi,
549 devm_kfree(&pf->pdev->dev, vsi);
552 mutex_unlock(&pf->sw_mutex);
557 * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI
558 * @qs_cfg: gathered variables needed for PF->VSI queues assignment
560 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
562 static int __ice_vsi_get_qs_contig(struct ice_qs_cfg *qs_cfg)
566 mutex_lock(qs_cfg->qs_mutex);
567 offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size,
568 0, qs_cfg->q_count, 0);
569 if (offset >= qs_cfg->pf_map_size) {
570 mutex_unlock(qs_cfg->qs_mutex);
574 bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count);
575 for (i = 0; i < qs_cfg->q_count; i++)
576 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = i + offset;
577 mutex_unlock(qs_cfg->qs_mutex);
583 * __ice_vsi_get_qs_sc - Assign a scattered queues from PF to VSI
584 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
586 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
588 static int __ice_vsi_get_qs_sc(struct ice_qs_cfg *qs_cfg)
592 mutex_lock(qs_cfg->qs_mutex);
593 for (i = 0; i < qs_cfg->q_count; i++) {
594 index = find_next_zero_bit(qs_cfg->pf_map,
595 qs_cfg->pf_map_size, index);
596 if (index >= qs_cfg->pf_map_size)
598 set_bit(index, qs_cfg->pf_map);
599 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = index;
601 mutex_unlock(qs_cfg->qs_mutex);
605 for (index = 0; index < i; index++) {
606 clear_bit(qs_cfg->vsi_map[index], qs_cfg->pf_map);
607 qs_cfg->vsi_map[index + qs_cfg->vsi_map_offset] = 0;
609 mutex_unlock(qs_cfg->qs_mutex);
615 * __ice_vsi_get_qs - helper function for assigning queues from PF to VSI
616 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
618 * This function first tries to find contiguous space. If it is not successful,
619 * it tries with the scatter approach.
621 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
623 static int __ice_vsi_get_qs(struct ice_qs_cfg *qs_cfg)
627 ret = __ice_vsi_get_qs_contig(qs_cfg);
629 /* contig failed, so try with scatter approach */
630 qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER;
631 qs_cfg->q_count = min_t(u16, qs_cfg->q_count,
632 qs_cfg->scatter_count);
633 ret = __ice_vsi_get_qs_sc(qs_cfg);
639 * ice_vsi_get_qs - Assign queues from PF to VSI
640 * @vsi: the VSI to assign queues to
642 * Returns 0 on success and a negative value on error
644 static int ice_vsi_get_qs(struct ice_vsi *vsi)
646 struct ice_pf *pf = vsi->back;
647 struct ice_qs_cfg tx_qs_cfg = {
648 .qs_mutex = &pf->avail_q_mutex,
649 .pf_map = pf->avail_txqs,
650 .pf_map_size = ICE_MAX_TXQS,
651 .q_count = vsi->alloc_txq,
652 .scatter_count = ICE_MAX_SCATTER_TXQS,
653 .vsi_map = vsi->txq_map,
655 .mapping_mode = vsi->tx_mapping_mode
657 struct ice_qs_cfg rx_qs_cfg = {
658 .qs_mutex = &pf->avail_q_mutex,
659 .pf_map = pf->avail_rxqs,
660 .pf_map_size = ICE_MAX_RXQS,
661 .q_count = vsi->alloc_rxq,
662 .scatter_count = ICE_MAX_SCATTER_RXQS,
663 .vsi_map = vsi->rxq_map,
665 .mapping_mode = vsi->rx_mapping_mode
669 vsi->tx_mapping_mode = ICE_VSI_MAP_CONTIG;
670 vsi->rx_mapping_mode = ICE_VSI_MAP_CONTIG;
672 ret = __ice_vsi_get_qs(&tx_qs_cfg);
674 ret = __ice_vsi_get_qs(&rx_qs_cfg);
680 * ice_vsi_put_qs - Release queues from VSI to PF
681 * @vsi: the VSI that is going to release queues
683 void ice_vsi_put_qs(struct ice_vsi *vsi)
685 struct ice_pf *pf = vsi->back;
688 mutex_lock(&pf->avail_q_mutex);
690 for (i = 0; i < vsi->alloc_txq; i++) {
691 clear_bit(vsi->txq_map[i], pf->avail_txqs);
692 vsi->txq_map[i] = ICE_INVAL_Q_INDEX;
695 for (i = 0; i < vsi->alloc_rxq; i++) {
696 clear_bit(vsi->rxq_map[i], pf->avail_rxqs);
697 vsi->rxq_map[i] = ICE_INVAL_Q_INDEX;
700 mutex_unlock(&pf->avail_q_mutex);
704 * ice_rss_clean - Delete RSS related VSI structures that hold user inputs
705 * @vsi: the VSI being removed
707 static void ice_rss_clean(struct ice_vsi *vsi)
713 if (vsi->rss_hkey_user)
714 devm_kfree(&pf->pdev->dev, vsi->rss_hkey_user);
715 if (vsi->rss_lut_user)
716 devm_kfree(&pf->pdev->dev, vsi->rss_lut_user);
720 * ice_vsi_set_rss_params - Setup RSS capabilities per VSI type
721 * @vsi: the VSI being configured
723 static void ice_vsi_set_rss_params(struct ice_vsi *vsi)
725 struct ice_hw_common_caps *cap;
726 struct ice_pf *pf = vsi->back;
728 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
733 cap = &pf->hw.func_caps.common_cap;
736 /* PF VSI will inherit RSS instance of PF */
737 vsi->rss_table_size = cap->rss_table_size;
738 vsi->rss_size = min_t(int, num_online_cpus(),
739 BIT(cap->rss_table_entry_width));
740 vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_PF;
743 /* VF VSI will gets a small RSS table
744 * For VSI_LUT, LUT size should be set to 64 bytes
746 vsi->rss_table_size = ICE_VSIQF_HLUT_ARRAY_SIZE;
747 vsi->rss_size = min_t(int, num_online_cpus(),
748 BIT(cap->rss_table_entry_width));
749 vsi->rss_lut_type = ICE_AQC_GSET_RSS_LUT_TABLE_TYPE_VSI;
754 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n",
761 * ice_set_dflt_vsi_ctx - Set default VSI context before adding a VSI
762 * @ctxt: the VSI context being set
764 * This initializes a default VSI context for all sections except the Queues.
766 static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt)
770 memset(&ctxt->info, 0, sizeof(ctxt->info));
771 /* VSI's should be allocated from shared pool */
772 ctxt->alloc_from_pool = true;
773 /* Src pruning enabled by default */
774 ctxt->info.sw_flags = ICE_AQ_VSI_SW_FLAG_SRC_PRUNE;
775 /* Traffic from VSI can be sent to LAN */
776 ctxt->info.sw_flags2 = ICE_AQ_VSI_SW_FLAG_LAN_ENA;
777 /* By default bits 3 and 4 in vlan_flags are 0's which results in legacy
778 * behavior (show VLAN, DEI, and UP) in descriptor. Also, allow all
779 * packets untagged/tagged.
781 ctxt->info.vlan_flags = ((ICE_AQ_VSI_VLAN_MODE_ALL &
782 ICE_AQ_VSI_VLAN_MODE_M) >>
783 ICE_AQ_VSI_VLAN_MODE_S);
784 /* Have 1:1 UP mapping for both ingress/egress tables */
785 table |= ICE_UP_TABLE_TRANSLATE(0, 0);
786 table |= ICE_UP_TABLE_TRANSLATE(1, 1);
787 table |= ICE_UP_TABLE_TRANSLATE(2, 2);
788 table |= ICE_UP_TABLE_TRANSLATE(3, 3);
789 table |= ICE_UP_TABLE_TRANSLATE(4, 4);
790 table |= ICE_UP_TABLE_TRANSLATE(5, 5);
791 table |= ICE_UP_TABLE_TRANSLATE(6, 6);
792 table |= ICE_UP_TABLE_TRANSLATE(7, 7);
793 ctxt->info.ingress_table = cpu_to_le32(table);
794 ctxt->info.egress_table = cpu_to_le32(table);
795 /* Have 1:1 UP mapping for outer to inner UP table */
796 ctxt->info.outer_up_table = cpu_to_le32(table);
797 /* No Outer tag support outer_tag_flags remains to zero */
801 * ice_vsi_setup_q_map - Setup a VSI queue map
802 * @vsi: the VSI being configured
803 * @ctxt: VSI context structure
805 static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt)
807 u16 offset = 0, qmap = 0, tx_count = 0;
808 u16 qcount_tx = vsi->alloc_txq;
809 u16 qcount_rx = vsi->alloc_rxq;
810 u16 tx_numq_tc, rx_numq_tc;
811 u16 pow = 0, max_rss = 0;
812 bool ena_tc0 = false;
816 /* at least TC0 should be enabled by default */
817 if (vsi->tc_cfg.numtc) {
818 if (!(vsi->tc_cfg.ena_tc & BIT(0)))
826 vsi->tc_cfg.ena_tc |= 1;
829 rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc;
832 tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc;
836 /* TC mapping is a function of the number of Rx queues assigned to the
837 * VSI for each traffic class and the offset of these queues.
838 * The first 10 bits are for queue offset for TC0, next 4 bits for no:of
839 * queues allocated to TC0. No:of queues is a power-of-2.
841 * If TC is not enabled, the queue offset is set to 0, and allocate one
842 * queue, this way, traffic for the given TC will be sent to the default
845 * Setup number and offset of Rx queues for all TCs for the VSI
848 qcount_rx = rx_numq_tc;
850 /* qcount will change if RSS is enabled */
851 if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) {
852 if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) {
853 if (vsi->type == ICE_VSI_PF)
854 max_rss = ICE_MAX_LG_RSS_QS;
856 max_rss = ICE_MAX_SMALL_RSS_QS;
857 qcount_rx = min_t(int, rx_numq_tc, max_rss);
858 qcount_rx = min_t(int, qcount_rx, vsi->rss_size);
862 /* find the (rounded up) power-of-2 of qcount */
863 pow = order_base_2(qcount_rx);
865 ice_for_each_traffic_class(i) {
866 if (!(vsi->tc_cfg.ena_tc & BIT(i))) {
867 /* TC is not enabled */
868 vsi->tc_cfg.tc_info[i].qoffset = 0;
869 vsi->tc_cfg.tc_info[i].qcount_rx = 1;
870 vsi->tc_cfg.tc_info[i].qcount_tx = 1;
871 vsi->tc_cfg.tc_info[i].netdev_tc = 0;
872 ctxt->info.tc_mapping[i] = 0;
877 vsi->tc_cfg.tc_info[i].qoffset = offset;
878 vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx;
879 vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc;
880 vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++;
882 qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) &
883 ICE_AQ_VSI_TC_Q_OFFSET_M) |
884 ((pow << ICE_AQ_VSI_TC_Q_NUM_S) &
885 ICE_AQ_VSI_TC_Q_NUM_M);
887 tx_count += tx_numq_tc;
888 ctxt->info.tc_mapping[i] = cpu_to_le16(qmap);
891 /* if offset is non-zero, means it is calculated correctly based on
892 * enabled TCs for a given VSI otherwise qcount_rx will always
893 * be correct and non-zero because it is based off - VSI's
894 * allocated Rx queues which is at least 1 (hence qcount_tx will be
898 vsi->num_rxq = offset;
900 vsi->num_rxq = qcount_rx;
902 vsi->num_txq = tx_count;
904 if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) {
905 dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n");
906 /* since there is a chance that num_rxq could have been changed
907 * in the above for loop, make num_txq equal to num_rxq.
909 vsi->num_txq = vsi->num_rxq;
912 /* Rx queue mapping */
913 ctxt->info.mapping_flags |= cpu_to_le16(ICE_AQ_VSI_Q_MAP_CONTIG);
914 /* q_mapping buffer holds the info for the first queue allocated for
915 * this VSI in the PF space and also the number of queues associated
918 ctxt->info.q_mapping[0] = cpu_to_le16(vsi->rxq_map[0]);
919 ctxt->info.q_mapping[1] = cpu_to_le16(vsi->num_rxq);
923 * ice_set_rss_vsi_ctx - Set RSS VSI context before adding a VSI
924 * @ctxt: the VSI context being set
925 * @vsi: the VSI being configured
927 static void ice_set_rss_vsi_ctx(struct ice_vsi_ctx *ctxt, struct ice_vsi *vsi)
929 u8 lut_type, hash_type;
936 /* PF VSI will inherit RSS instance of PF */
937 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_PF;
938 hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
941 /* VF VSI will gets a small RSS table which is a VSI LUT type */
942 lut_type = ICE_AQ_VSI_Q_OPT_RSS_LUT_VSI;
943 hash_type = ICE_AQ_VSI_Q_OPT_RSS_TPLZ;
946 dev_dbg(&pf->pdev->dev, "Unsupported VSI type %d\n", vsi->type);
949 dev_warn(&pf->pdev->dev, "Unknown VSI type %d\n", vsi->type);
953 ctxt->info.q_opt_rss = ((lut_type << ICE_AQ_VSI_Q_OPT_RSS_LUT_S) &
954 ICE_AQ_VSI_Q_OPT_RSS_LUT_M) |
955 ((hash_type << ICE_AQ_VSI_Q_OPT_RSS_HASH_S) &
956 ICE_AQ_VSI_Q_OPT_RSS_HASH_M);
960 * ice_vsi_init - Create and initialize a VSI
961 * @vsi: the VSI being configured
963 * This initializes a VSI context depending on the VSI type to be added and
964 * passes it down to the add_vsi aq command to create a new VSI.
966 static int ice_vsi_init(struct ice_vsi *vsi)
968 struct ice_pf *pf = vsi->back;
969 struct ice_hw *hw = &pf->hw;
970 struct ice_vsi_ctx *ctxt;
973 ctxt = devm_kzalloc(&pf->pdev->dev, sizeof(*ctxt), GFP_KERNEL);
977 ctxt->info = vsi->info;
982 ctxt->flags = ICE_AQ_VSI_TYPE_PF;
985 ctxt->flags = ICE_AQ_VSI_TYPE_VF;
986 /* VF number here is the absolute VF number (0-255) */
987 ctxt->vf_num = vsi->vf_id + hw->func_caps.vf_base_id;
993 ice_set_dflt_vsi_ctx(ctxt);
994 /* if the switch is in VEB mode, allow VSI loopback */
995 if (vsi->vsw->bridge_mode == BRIDGE_MODE_VEB)
996 ctxt->info.sw_flags |= ICE_AQ_VSI_SW_FLAG_ALLOW_LB;
998 /* Set LUT type and HASH type if RSS is enabled */
999 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
1000 ice_set_rss_vsi_ctx(ctxt, vsi);
1002 ctxt->info.sw_id = vsi->port_info->sw_id;
1003 ice_vsi_setup_q_map(vsi, ctxt);
1005 /* Enable MAC Antispoof with new VSI being initialized or updated */
1006 if (vsi->type == ICE_VSI_VF && pf->vf[vsi->vf_id].spoofchk) {
1007 ctxt->info.valid_sections |=
1008 cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
1009 ctxt->info.sec_flags |=
1010 ICE_AQ_VSI_SEC_FLAG_ENA_MAC_ANTI_SPOOF;
1013 /* Allow control frames out of main VSI */
1014 if (vsi->type == ICE_VSI_PF) {
1015 ctxt->info.sec_flags |= ICE_AQ_VSI_SEC_FLAG_ALLOW_DEST_OVRD;
1016 ctxt->info.valid_sections |=
1017 cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID);
1020 ret = ice_add_vsi(hw, vsi->idx, ctxt, NULL);
1022 dev_err(&pf->pdev->dev,
1023 "Add VSI failed, err %d\n", ret);
1027 /* keep context for update VSI operations */
1028 vsi->info = ctxt->info;
1030 /* record VSI number returned */
1031 vsi->vsi_num = ctxt->vsi_num;
1033 devm_kfree(&pf->pdev->dev, ctxt);
1038 * ice_free_q_vector - Free memory allocated for a specific interrupt vector
1039 * @vsi: VSI having the memory freed
1040 * @v_idx: index of the vector to be freed
1042 static void ice_free_q_vector(struct ice_vsi *vsi, int v_idx)
1044 struct ice_q_vector *q_vector;
1045 struct ice_pf *pf = vsi->back;
1046 struct ice_ring *ring;
1048 if (!vsi->q_vectors[v_idx]) {
1049 dev_dbg(&pf->pdev->dev, "Queue vector at index %d not found\n",
1053 q_vector = vsi->q_vectors[v_idx];
1055 ice_for_each_ring(ring, q_vector->tx)
1056 ring->q_vector = NULL;
1057 ice_for_each_ring(ring, q_vector->rx)
1058 ring->q_vector = NULL;
1060 /* only VSI with an associated netdev is set up with NAPI */
1062 netif_napi_del(&q_vector->napi);
1064 devm_kfree(&pf->pdev->dev, q_vector);
1065 vsi->q_vectors[v_idx] = NULL;
1069 * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors
1070 * @vsi: the VSI having memory freed
1072 void ice_vsi_free_q_vectors(struct ice_vsi *vsi)
1076 ice_for_each_q_vector(vsi, v_idx)
1077 ice_free_q_vector(vsi, v_idx);
1081 * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector
1082 * @vsi: the VSI being configured
1083 * @v_idx: index of the vector in the VSI struct
1085 * We allocate one q_vector. If allocation fails we return -ENOMEM.
1087 static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx)
1089 struct ice_pf *pf = vsi->back;
1090 struct ice_q_vector *q_vector;
1092 /* allocate q_vector */
1093 q_vector = devm_kzalloc(&pf->pdev->dev, sizeof(*q_vector), GFP_KERNEL);
1097 q_vector->vsi = vsi;
1098 q_vector->v_idx = v_idx;
1099 if (vsi->type == ICE_VSI_VF)
1101 /* only set affinity_mask if the CPU is online */
1102 if (cpu_online(v_idx))
1103 cpumask_set_cpu(v_idx, &q_vector->affinity_mask);
1105 /* This will not be called in the driver load path because the netdev
1106 * will not be created yet. All other cases with register the NAPI
1107 * handler here (i.e. resume, reset/rebuild, etc.)
1110 netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll,
1114 /* tie q_vector and VSI together */
1115 vsi->q_vectors[v_idx] = q_vector;
1121 * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
1122 * @vsi: the VSI being configured
1124 * We allocate one q_vector per queue interrupt. If allocation fails we
1127 static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi)
1129 struct ice_pf *pf = vsi->back;
1130 int v_idx = 0, num_q_vectors;
1133 if (vsi->q_vectors[0]) {
1134 dev_dbg(&pf->pdev->dev, "VSI %d has existing q_vectors\n",
1139 num_q_vectors = vsi->num_q_vectors;
1141 for (v_idx = 0; v_idx < num_q_vectors; v_idx++) {
1142 err = ice_vsi_alloc_q_vector(vsi, v_idx);
1151 ice_free_q_vector(vsi, v_idx);
1153 dev_err(&pf->pdev->dev,
1154 "Failed to allocate %d q_vector for VSI %d, ret=%d\n",
1155 vsi->num_q_vectors, vsi->vsi_num, err);
1156 vsi->num_q_vectors = 0;
1161 * ice_vsi_setup_vector_base - Set up the base vector for the given VSI
1162 * @vsi: ptr to the VSI
1164 * This should only be called after ice_vsi_alloc() which allocates the
1165 * corresponding SW VSI structure and initializes num_queue_pairs for the
1166 * newly allocated VSI.
1168 * Returns 0 on success or negative on failure
1170 static int ice_vsi_setup_vector_base(struct ice_vsi *vsi)
1172 struct ice_pf *pf = vsi->back;
1175 /* SRIOV doesn't grab irq_tracker entries for each VSI */
1176 if (vsi->type == ICE_VSI_VF)
1179 if (vsi->base_vector) {
1180 dev_dbg(&pf->pdev->dev, "VSI %d has non-zero base vector %d\n",
1181 vsi->vsi_num, vsi->base_vector);
1185 num_q_vectors = vsi->num_q_vectors;
1186 /* reserve slots from OS requested IRQs */
1187 vsi->base_vector = ice_get_res(pf, pf->irq_tracker, num_q_vectors,
1189 if (vsi->base_vector < 0) {
1190 dev_err(&pf->pdev->dev,
1191 "Failed to get tracking for %d vectors for VSI %d, err=%d\n",
1192 num_q_vectors, vsi->vsi_num, vsi->base_vector);
1195 pf->num_avail_sw_msix -= num_q_vectors;
1201 * ice_vsi_clear_rings - Deallocates the Tx and Rx rings for VSI
1202 * @vsi: the VSI having rings deallocated
1204 static void ice_vsi_clear_rings(struct ice_vsi *vsi)
1208 if (vsi->tx_rings) {
1209 for (i = 0; i < vsi->alloc_txq; i++) {
1210 if (vsi->tx_rings[i]) {
1211 kfree_rcu(vsi->tx_rings[i], rcu);
1212 vsi->tx_rings[i] = NULL;
1216 if (vsi->rx_rings) {
1217 for (i = 0; i < vsi->alloc_rxq; i++) {
1218 if (vsi->rx_rings[i]) {
1219 kfree_rcu(vsi->rx_rings[i], rcu);
1220 vsi->rx_rings[i] = NULL;
1227 * ice_vsi_alloc_rings - Allocates Tx and Rx rings for the VSI
1228 * @vsi: VSI which is having rings allocated
1230 static int ice_vsi_alloc_rings(struct ice_vsi *vsi)
1232 struct ice_pf *pf = vsi->back;
1235 /* Allocate Tx rings */
1236 for (i = 0; i < vsi->alloc_txq; i++) {
1237 struct ice_ring *ring;
1239 /* allocate with kzalloc(), free with kfree_rcu() */
1240 ring = kzalloc(sizeof(*ring), GFP_KERNEL);
1246 ring->reg_idx = vsi->txq_map[i];
1247 ring->ring_active = false;
1249 ring->dev = &pf->pdev->dev;
1250 ring->count = vsi->num_tx_desc;
1251 vsi->tx_rings[i] = ring;
1254 /* Allocate Rx rings */
1255 for (i = 0; i < vsi->alloc_rxq; i++) {
1256 struct ice_ring *ring;
1258 /* allocate with kzalloc(), free with kfree_rcu() */
1259 ring = kzalloc(sizeof(*ring), GFP_KERNEL);
1264 ring->reg_idx = vsi->rxq_map[i];
1265 ring->ring_active = false;
1267 ring->netdev = vsi->netdev;
1268 ring->dev = &pf->pdev->dev;
1269 ring->count = vsi->num_rx_desc;
1270 vsi->rx_rings[i] = ring;
1276 ice_vsi_clear_rings(vsi);
1281 * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors
1282 * @vsi: the VSI being configured
1284 * This function maps descriptor rings to the queue-specific vectors allotted
1285 * through the MSI-X enabling code. On a constrained vector budget, we map Tx
1286 * and Rx rings to the vector as "efficiently" as possible.
1289 void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
1291 static void ice_vsi_map_rings_to_vectors(struct ice_vsi *vsi)
1292 #endif /* CONFIG_DCB */
1294 int q_vectors = vsi->num_q_vectors;
1295 int tx_rings_rem, rx_rings_rem;
1298 /* initially assigning remaining rings count to VSIs num queue value */
1299 tx_rings_rem = vsi->num_txq;
1300 rx_rings_rem = vsi->num_rxq;
1302 for (v_id = 0; v_id < q_vectors; v_id++) {
1303 struct ice_q_vector *q_vector = vsi->q_vectors[v_id];
1304 int tx_rings_per_v, rx_rings_per_v, q_id, q_base;
1306 /* Tx rings mapping to vector */
1307 tx_rings_per_v = DIV_ROUND_UP(tx_rings_rem, q_vectors - v_id);
1308 q_vector->num_ring_tx = tx_rings_per_v;
1309 q_vector->tx.ring = NULL;
1310 q_vector->tx.itr_idx = ICE_TX_ITR;
1311 q_base = vsi->num_txq - tx_rings_rem;
1313 for (q_id = q_base; q_id < (q_base + tx_rings_per_v); q_id++) {
1314 struct ice_ring *tx_ring = vsi->tx_rings[q_id];
1316 tx_ring->q_vector = q_vector;
1317 tx_ring->next = q_vector->tx.ring;
1318 q_vector->tx.ring = tx_ring;
1320 tx_rings_rem -= tx_rings_per_v;
1322 /* Rx rings mapping to vector */
1323 rx_rings_per_v = DIV_ROUND_UP(rx_rings_rem, q_vectors - v_id);
1324 q_vector->num_ring_rx = rx_rings_per_v;
1325 q_vector->rx.ring = NULL;
1326 q_vector->rx.itr_idx = ICE_RX_ITR;
1327 q_base = vsi->num_rxq - rx_rings_rem;
1329 for (q_id = q_base; q_id < (q_base + rx_rings_per_v); q_id++) {
1330 struct ice_ring *rx_ring = vsi->rx_rings[q_id];
1332 rx_ring->q_vector = q_vector;
1333 rx_ring->next = q_vector->rx.ring;
1334 q_vector->rx.ring = rx_ring;
1336 rx_rings_rem -= rx_rings_per_v;
1341 * ice_vsi_manage_rss_lut - disable/enable RSS
1342 * @vsi: the VSI being changed
1343 * @ena: boolean value indicating if this is an enable or disable request
1345 * In the event of disable request for RSS, this function will zero out RSS
1346 * LUT, while in the event of enable request for RSS, it will reconfigure RSS
1349 int ice_vsi_manage_rss_lut(struct ice_vsi *vsi, bool ena)
1354 lut = devm_kzalloc(&vsi->back->pdev->dev, vsi->rss_table_size,
1360 if (vsi->rss_lut_user)
1361 memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
1363 ice_fill_rss_lut(lut, vsi->rss_table_size,
1367 err = ice_set_rss(vsi, NULL, lut, vsi->rss_table_size);
1368 devm_kfree(&vsi->back->pdev->dev, lut);
1373 * ice_vsi_cfg_rss_lut_key - Configure RSS params for a VSI
1374 * @vsi: VSI to be configured
1376 static int ice_vsi_cfg_rss_lut_key(struct ice_vsi *vsi)
1378 struct ice_aqc_get_set_rss_keys *key;
1379 struct ice_pf *pf = vsi->back;
1380 enum ice_status status;
1384 vsi->rss_size = min_t(int, vsi->rss_size, vsi->num_rxq);
1386 lut = devm_kzalloc(&pf->pdev->dev, vsi->rss_table_size, GFP_KERNEL);
1390 if (vsi->rss_lut_user)
1391 memcpy(lut, vsi->rss_lut_user, vsi->rss_table_size);
1393 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
1395 status = ice_aq_set_rss_lut(&pf->hw, vsi->idx, vsi->rss_lut_type, lut,
1396 vsi->rss_table_size);
1399 dev_err(&pf->pdev->dev,
1400 "set_rss_lut failed, error %d\n", status);
1402 goto ice_vsi_cfg_rss_exit;
1405 key = devm_kzalloc(&pf->pdev->dev, sizeof(*key), GFP_KERNEL);
1408 goto ice_vsi_cfg_rss_exit;
1411 if (vsi->rss_hkey_user)
1413 (struct ice_aqc_get_set_rss_keys *)vsi->rss_hkey_user,
1414 ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
1416 netdev_rss_key_fill((void *)key,
1417 ICE_GET_SET_RSS_KEY_EXTEND_KEY_SIZE);
1419 status = ice_aq_set_rss_key(&pf->hw, vsi->idx, key);
1422 dev_err(&pf->pdev->dev, "set_rss_key failed, error %d\n",
1427 devm_kfree(&pf->pdev->dev, key);
1428 ice_vsi_cfg_rss_exit:
1429 devm_kfree(&pf->pdev->dev, lut);
1434 * ice_add_mac_to_list - Add a MAC address filter entry to the list
1435 * @vsi: the VSI to be forwarded to
1436 * @add_list: pointer to the list which contains MAC filter entries
1437 * @macaddr: the MAC address to be added.
1439 * Adds MAC address filter entry to the temp list
1441 * Returns 0 on success or ENOMEM on failure.
1443 int ice_add_mac_to_list(struct ice_vsi *vsi, struct list_head *add_list,
1446 struct ice_fltr_list_entry *tmp;
1447 struct ice_pf *pf = vsi->back;
1449 tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_ATOMIC);
1453 tmp->fltr_info.flag = ICE_FLTR_TX;
1454 tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
1455 tmp->fltr_info.lkup_type = ICE_SW_LKUP_MAC;
1456 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1457 tmp->fltr_info.vsi_handle = vsi->idx;
1458 ether_addr_copy(tmp->fltr_info.l_data.mac.mac_addr, macaddr);
1460 INIT_LIST_HEAD(&tmp->list_entry);
1461 list_add(&tmp->list_entry, add_list);
1467 * ice_update_eth_stats - Update VSI-specific ethernet statistics counters
1468 * @vsi: the VSI to be updated
1470 void ice_update_eth_stats(struct ice_vsi *vsi)
1472 struct ice_eth_stats *prev_es, *cur_es;
1473 struct ice_hw *hw = &vsi->back->hw;
1474 u16 vsi_num = vsi->vsi_num; /* HW absolute index of a VSI */
1476 prev_es = &vsi->eth_stats_prev;
1477 cur_es = &vsi->eth_stats;
1479 ice_stat_update40(hw, GLV_GORCL(vsi_num), vsi->stat_offsets_loaded,
1480 &prev_es->rx_bytes, &cur_es->rx_bytes);
1482 ice_stat_update40(hw, GLV_UPRCL(vsi_num), vsi->stat_offsets_loaded,
1483 &prev_es->rx_unicast, &cur_es->rx_unicast);
1485 ice_stat_update40(hw, GLV_MPRCL(vsi_num), vsi->stat_offsets_loaded,
1486 &prev_es->rx_multicast, &cur_es->rx_multicast);
1488 ice_stat_update40(hw, GLV_BPRCL(vsi_num), vsi->stat_offsets_loaded,
1489 &prev_es->rx_broadcast, &cur_es->rx_broadcast);
1491 ice_stat_update32(hw, GLV_RDPC(vsi_num), vsi->stat_offsets_loaded,
1492 &prev_es->rx_discards, &cur_es->rx_discards);
1494 ice_stat_update40(hw, GLV_GOTCL(vsi_num), vsi->stat_offsets_loaded,
1495 &prev_es->tx_bytes, &cur_es->tx_bytes);
1497 ice_stat_update40(hw, GLV_UPTCL(vsi_num), vsi->stat_offsets_loaded,
1498 &prev_es->tx_unicast, &cur_es->tx_unicast);
1500 ice_stat_update40(hw, GLV_MPTCL(vsi_num), vsi->stat_offsets_loaded,
1501 &prev_es->tx_multicast, &cur_es->tx_multicast);
1503 ice_stat_update40(hw, GLV_BPTCL(vsi_num), vsi->stat_offsets_loaded,
1504 &prev_es->tx_broadcast, &cur_es->tx_broadcast);
1506 ice_stat_update32(hw, GLV_TEPC(vsi_num), vsi->stat_offsets_loaded,
1507 &prev_es->tx_errors, &cur_es->tx_errors);
1509 vsi->stat_offsets_loaded = true;
1513 * ice_free_fltr_list - free filter lists helper
1514 * @dev: pointer to the device struct
1515 * @h: pointer to the list head to be freed
1517 * Helper function to free filter lists previously created using
1518 * ice_add_mac_to_list
1520 void ice_free_fltr_list(struct device *dev, struct list_head *h)
1522 struct ice_fltr_list_entry *e, *tmp;
1524 list_for_each_entry_safe(e, tmp, h, list_entry) {
1525 list_del(&e->list_entry);
1531 * ice_vsi_add_vlan - Add VSI membership for given VLAN
1532 * @vsi: the VSI being configured
1533 * @vid: VLAN ID to be added
1535 int ice_vsi_add_vlan(struct ice_vsi *vsi, u16 vid)
1537 struct ice_fltr_list_entry *tmp;
1538 struct ice_pf *pf = vsi->back;
1539 LIST_HEAD(tmp_add_list);
1540 enum ice_status status;
1543 tmp = devm_kzalloc(&pf->pdev->dev, sizeof(*tmp), GFP_KERNEL);
1547 tmp->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
1548 tmp->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1549 tmp->fltr_info.flag = ICE_FLTR_TX;
1550 tmp->fltr_info.src_id = ICE_SRC_ID_VSI;
1551 tmp->fltr_info.vsi_handle = vsi->idx;
1552 tmp->fltr_info.l_data.vlan.vlan_id = vid;
1554 INIT_LIST_HEAD(&tmp->list_entry);
1555 list_add(&tmp->list_entry, &tmp_add_list);
1557 status = ice_add_vlan(&pf->hw, &tmp_add_list);
1560 dev_err(&pf->pdev->dev, "Failure Adding VLAN %d on VSI %i\n",
1564 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
1569 * ice_vsi_kill_vlan - Remove VSI membership for a given VLAN
1570 * @vsi: the VSI being configured
1571 * @vid: VLAN ID to be removed
1573 * Returns 0 on success and negative on failure
1575 int ice_vsi_kill_vlan(struct ice_vsi *vsi, u16 vid)
1577 struct ice_fltr_list_entry *list;
1578 struct ice_pf *pf = vsi->back;
1579 LIST_HEAD(tmp_add_list);
1580 enum ice_status status;
1583 list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
1587 list->fltr_info.lkup_type = ICE_SW_LKUP_VLAN;
1588 list->fltr_info.vsi_handle = vsi->idx;
1589 list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
1590 list->fltr_info.l_data.vlan.vlan_id = vid;
1591 list->fltr_info.flag = ICE_FLTR_TX;
1592 list->fltr_info.src_id = ICE_SRC_ID_VSI;
1594 INIT_LIST_HEAD(&list->list_entry);
1595 list_add(&list->list_entry, &tmp_add_list);
1597 status = ice_remove_vlan(&pf->hw, &tmp_add_list);
1598 if (status == ICE_ERR_DOES_NOT_EXIST) {
1599 dev_dbg(&pf->pdev->dev,
1600 "Failed to remove VLAN %d on VSI %i, it does not exist, status: %d\n",
1601 vid, vsi->vsi_num, status);
1602 } else if (status) {
1603 dev_err(&pf->pdev->dev,
1604 "Error removing VLAN %d on vsi %i error: %d\n",
1605 vid, vsi->vsi_num, status);
1609 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
1614 * ice_vsi_cfg_rxqs - Configure the VSI for Rx
1615 * @vsi: the VSI being configured
1617 * Return 0 on success and a negative value on error
1618 * Configure the Rx VSI for operation.
1620 int ice_vsi_cfg_rxqs(struct ice_vsi *vsi)
1624 if (vsi->type == ICE_VSI_VF)
1627 if (vsi->netdev && vsi->netdev->mtu > ETH_DATA_LEN)
1628 vsi->max_frame = vsi->netdev->mtu +
1629 ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
1631 vsi->max_frame = ICE_RXBUF_2048;
1633 vsi->rx_buf_len = ICE_RXBUF_2048;
1635 /* set up individual rings */
1636 for (i = 0; i < vsi->num_rxq; i++) {
1639 err = ice_setup_rx_ctx(vsi->rx_rings[i]);
1641 dev_err(&vsi->back->pdev->dev,
1642 "ice_setup_rx_ctx failed for RxQ %d, err %d\n",
1652 * ice_vsi_cfg_txqs - Configure the VSI for Tx
1653 * @vsi: the VSI being configured
1654 * @rings: Tx ring array to be configured
1655 * @offset: offset within vsi->txq_map
1657 * Return 0 on success and a negative value on error
1658 * Configure the Tx VSI for operation.
1661 ice_vsi_cfg_txqs(struct ice_vsi *vsi, struct ice_ring **rings, int offset)
1663 struct ice_aqc_add_tx_qgrp *qg_buf;
1664 struct ice_aqc_add_txqs_perq *txq;
1665 struct ice_pf *pf = vsi->back;
1666 u8 num_q_grps, q_idx = 0;
1667 enum ice_status status;
1668 u16 buf_len, i, pf_q;
1671 buf_len = sizeof(*qg_buf);
1672 qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL);
1676 qg_buf->num_txqs = 1;
1679 /* set up and configure the Tx queues for each enabled TC */
1680 ice_for_each_traffic_class(tc) {
1681 if (!(vsi->tc_cfg.ena_tc & BIT(tc)))
1684 for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) {
1685 struct ice_tlan_ctx tlan_ctx = { 0 };
1687 pf_q = vsi->txq_map[q_idx + offset];
1688 ice_setup_tx_ctx(rings[q_idx], &tlan_ctx, pf_q);
1689 /* copy context contents into the qg_buf */
1690 qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q);
1691 ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx,
1694 /* init queue specific tail reg. It is referred as
1695 * transmit comm scheduler queue doorbell.
1697 rings[q_idx]->tail =
1698 pf->hw.hw_addr + QTX_COMM_DBELL(pf_q);
1699 status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc,
1700 i, num_q_grps, qg_buf,
1703 dev_err(&pf->pdev->dev,
1704 "Failed to set LAN Tx queue context, error: %d\n",
1710 /* Add Tx Queue TEID into the VSI Tx ring from the
1711 * response. This will complete configuring and
1712 * enabling the queue.
1714 txq = &qg_buf->txqs[0];
1715 if (pf_q == le16_to_cpu(txq->txq_id))
1716 rings[q_idx]->txq_teid =
1717 le32_to_cpu(txq->q_teid);
1723 devm_kfree(&pf->pdev->dev, qg_buf);
1728 * ice_vsi_cfg_lan_txqs - Configure the VSI for Tx
1729 * @vsi: the VSI being configured
1731 * Return 0 on success and a negative value on error
1732 * Configure the Tx VSI for operation.
1734 int ice_vsi_cfg_lan_txqs(struct ice_vsi *vsi)
1736 return ice_vsi_cfg_txqs(vsi, vsi->tx_rings, 0);
1740 * ice_intrl_usec_to_reg - convert interrupt rate limit to register value
1741 * @intrl: interrupt rate limit in usecs
1742 * @gran: interrupt rate limit granularity in usecs
1744 * This function converts a decimal interrupt rate limit in usecs to the format
1745 * expected by firmware.
1747 u32 ice_intrl_usec_to_reg(u8 intrl, u8 gran)
1749 u32 val = intrl / gran;
1752 return val | GLINT_RATE_INTRL_ENA_M;
1757 * ice_cfg_itr_gran - set the ITR granularity to 2 usecs if not already set
1758 * @hw: board specific structure
1760 static void ice_cfg_itr_gran(struct ice_hw *hw)
1762 u32 regval = rd32(hw, GLINT_CTL);
1764 /* no need to update global register if ITR gran is already set */
1765 if (!(regval & GLINT_CTL_DIS_AUTOMASK_M) &&
1766 (((regval & GLINT_CTL_ITR_GRAN_200_M) >>
1767 GLINT_CTL_ITR_GRAN_200_S) == ICE_ITR_GRAN_US) &&
1768 (((regval & GLINT_CTL_ITR_GRAN_100_M) >>
1769 GLINT_CTL_ITR_GRAN_100_S) == ICE_ITR_GRAN_US) &&
1770 (((regval & GLINT_CTL_ITR_GRAN_50_M) >>
1771 GLINT_CTL_ITR_GRAN_50_S) == ICE_ITR_GRAN_US) &&
1772 (((regval & GLINT_CTL_ITR_GRAN_25_M) >>
1773 GLINT_CTL_ITR_GRAN_25_S) == ICE_ITR_GRAN_US))
1776 regval = ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_200_S) &
1777 GLINT_CTL_ITR_GRAN_200_M) |
1778 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_100_S) &
1779 GLINT_CTL_ITR_GRAN_100_M) |
1780 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_50_S) &
1781 GLINT_CTL_ITR_GRAN_50_M) |
1782 ((ICE_ITR_GRAN_US << GLINT_CTL_ITR_GRAN_25_S) &
1783 GLINT_CTL_ITR_GRAN_25_M);
1784 wr32(hw, GLINT_CTL, regval);
1788 * ice_cfg_itr - configure the initial interrupt throttle values
1789 * @hw: pointer to the HW structure
1790 * @q_vector: interrupt vector that's being configured
1792 * Configure interrupt throttling values for the ring containers that are
1793 * associated with the interrupt vector passed in.
1796 ice_cfg_itr(struct ice_hw *hw, struct ice_q_vector *q_vector)
1798 ice_cfg_itr_gran(hw);
1800 if (q_vector->num_ring_rx) {
1801 struct ice_ring_container *rc = &q_vector->rx;
1803 /* if this value is set then don't overwrite with default */
1804 if (!rc->itr_setting)
1805 rc->itr_setting = ICE_DFLT_RX_ITR;
1807 rc->target_itr = ITR_TO_REG(rc->itr_setting);
1808 rc->next_update = jiffies + 1;
1809 rc->current_itr = rc->target_itr;
1810 wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx),
1811 ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S);
1814 if (q_vector->num_ring_tx) {
1815 struct ice_ring_container *rc = &q_vector->tx;
1817 /* if this value is set then don't overwrite with default */
1818 if (!rc->itr_setting)
1819 rc->itr_setting = ICE_DFLT_TX_ITR;
1821 rc->target_itr = ITR_TO_REG(rc->itr_setting);
1822 rc->next_update = jiffies + 1;
1823 rc->current_itr = rc->target_itr;
1824 wr32(hw, GLINT_ITR(rc->itr_idx, q_vector->reg_idx),
1825 ITR_REG_ALIGN(rc->current_itr) >> ICE_ITR_GRAN_S);
1830 * ice_cfg_txq_interrupt - configure interrupt on Tx queue
1831 * @vsi: the VSI being configured
1832 * @txq: Tx queue being mapped to MSI-X vector
1833 * @msix_idx: MSI-X vector index within the function
1834 * @itr_idx: ITR index of the interrupt cause
1836 * Configure interrupt on Tx queue by associating Tx queue to MSI-X vector
1837 * within the function space.
1839 #ifdef CONFIG_PCI_IOV
1841 ice_cfg_txq_interrupt(struct ice_vsi *vsi, u16 txq, u16 msix_idx, u16 itr_idx)
1844 ice_cfg_txq_interrupt(struct ice_vsi *vsi, u16 txq, u16 msix_idx, u16 itr_idx)
1845 #endif /* CONFIG_PCI_IOV */
1847 struct ice_pf *pf = vsi->back;
1848 struct ice_hw *hw = &pf->hw;
1851 itr_idx = (itr_idx << QINT_TQCTL_ITR_INDX_S) & QINT_TQCTL_ITR_INDX_M;
1853 val = QINT_TQCTL_CAUSE_ENA_M | itr_idx |
1854 ((msix_idx << QINT_TQCTL_MSIX_INDX_S) & QINT_TQCTL_MSIX_INDX_M);
1856 wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val);
1860 * ice_cfg_rxq_interrupt - configure interrupt on Rx queue
1861 * @vsi: the VSI being configured
1862 * @rxq: Rx queue being mapped to MSI-X vector
1863 * @msix_idx: MSI-X vector index within the function
1864 * @itr_idx: ITR index of the interrupt cause
1866 * Configure interrupt on Rx queue by associating Rx queue to MSI-X vector
1867 * within the function space.
1869 #ifdef CONFIG_PCI_IOV
1871 ice_cfg_rxq_interrupt(struct ice_vsi *vsi, u16 rxq, u16 msix_idx, u16 itr_idx)
1874 ice_cfg_rxq_interrupt(struct ice_vsi *vsi, u16 rxq, u16 msix_idx, u16 itr_idx)
1875 #endif /* CONFIG_PCI_IOV */
1877 struct ice_pf *pf = vsi->back;
1878 struct ice_hw *hw = &pf->hw;
1881 itr_idx = (itr_idx << QINT_RQCTL_ITR_INDX_S) & QINT_RQCTL_ITR_INDX_M;
1883 val = QINT_RQCTL_CAUSE_ENA_M | itr_idx |
1884 ((msix_idx << QINT_RQCTL_MSIX_INDX_S) & QINT_RQCTL_MSIX_INDX_M);
1886 wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val);
1892 * ice_vsi_cfg_msix - MSIX mode Interrupt Config in the HW
1893 * @vsi: the VSI being configured
1895 * This configures MSIX mode interrupts for the PF VSI, and should not be used
1898 void ice_vsi_cfg_msix(struct ice_vsi *vsi)
1900 struct ice_pf *pf = vsi->back;
1901 struct ice_hw *hw = &pf->hw;
1902 u32 txq = 0, rxq = 0;
1905 for (i = 0; i < vsi->num_q_vectors; i++) {
1906 struct ice_q_vector *q_vector = vsi->q_vectors[i];
1907 u16 reg_idx = q_vector->reg_idx;
1909 ice_cfg_itr(hw, q_vector);
1911 wr32(hw, GLINT_RATE(reg_idx),
1912 ice_intrl_usec_to_reg(q_vector->intrl, hw->intrl_gran));
1914 /* Both Transmit Queue Interrupt Cause Control register
1915 * and Receive Queue Interrupt Cause control register
1916 * expects MSIX_INDX field to be the vector index
1917 * within the function space and not the absolute
1918 * vector index across PF or across device.
1919 * For SR-IOV VF VSIs queue vector index always starts
1920 * with 1 since first vector index(0) is used for OICR
1921 * in VF space. Since VMDq and other PF VSIs are within
1922 * the PF function space, use the vector index that is
1923 * tracked for this PF.
1925 for (q = 0; q < q_vector->num_ring_tx; q++) {
1926 ice_cfg_txq_interrupt(vsi, txq, reg_idx,
1927 q_vector->tx.itr_idx);
1931 for (q = 0; q < q_vector->num_ring_rx; q++) {
1932 ice_cfg_rxq_interrupt(vsi, rxq, reg_idx,
1933 q_vector->rx.itr_idx);
1940 * ice_vsi_manage_vlan_insertion - Manage VLAN insertion for the VSI for Tx
1941 * @vsi: the VSI being changed
1943 int ice_vsi_manage_vlan_insertion(struct ice_vsi *vsi)
1945 struct device *dev = &vsi->back->pdev->dev;
1946 struct ice_hw *hw = &vsi->back->hw;
1947 struct ice_vsi_ctx *ctxt;
1948 enum ice_status status;
1951 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
1955 /* Here we are configuring the VSI to let the driver add VLAN tags by
1956 * setting vlan_flags to ICE_AQ_VSI_VLAN_MODE_ALL. The actual VLAN tag
1957 * insertion happens in the Tx hot path, in ice_tx_map.
1959 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_MODE_ALL;
1961 /* Preserve existing VLAN strip setting */
1962 ctxt->info.vlan_flags |= (vsi->info.vlan_flags &
1963 ICE_AQ_VSI_VLAN_EMOD_M);
1965 ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
1967 status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
1969 dev_err(dev, "update VSI for VLAN insert failed, err %d aq_err %d\n",
1970 status, hw->adminq.sq_last_status);
1975 vsi->info.vlan_flags = ctxt->info.vlan_flags;
1977 devm_kfree(dev, ctxt);
1982 * ice_vsi_manage_vlan_stripping - Manage VLAN stripping for the VSI for Rx
1983 * @vsi: the VSI being changed
1984 * @ena: boolean value indicating if this is a enable or disable request
1986 int ice_vsi_manage_vlan_stripping(struct ice_vsi *vsi, bool ena)
1988 struct device *dev = &vsi->back->pdev->dev;
1989 struct ice_hw *hw = &vsi->back->hw;
1990 struct ice_vsi_ctx *ctxt;
1991 enum ice_status status;
1994 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
1998 /* Here we are configuring what the VSI should do with the VLAN tag in
1999 * the Rx packet. We can either leave the tag in the packet or put it in
2000 * the Rx descriptor.
2003 /* Strip VLAN tag from Rx packet and put it in the desc */
2004 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_STR_BOTH;
2006 /* Disable stripping. Leave tag in packet */
2007 ctxt->info.vlan_flags = ICE_AQ_VSI_VLAN_EMOD_NOTHING;
2009 /* Allow all packets untagged/tagged */
2010 ctxt->info.vlan_flags |= ICE_AQ_VSI_VLAN_MODE_ALL;
2012 ctxt->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_VLAN_VALID);
2014 status = ice_update_vsi(hw, vsi->idx, ctxt, NULL);
2016 dev_err(dev, "update VSI for VLAN strip failed, ena = %d err %d aq_err %d\n",
2017 ena, status, hw->adminq.sq_last_status);
2022 vsi->info.vlan_flags = ctxt->info.vlan_flags;
2024 devm_kfree(dev, ctxt);
2029 * ice_vsi_start_rx_rings - start VSI's Rx rings
2030 * @vsi: the VSI whose rings are to be started
2032 * Returns 0 on success and a negative value on error
2034 int ice_vsi_start_rx_rings(struct ice_vsi *vsi)
2036 return ice_vsi_ctrl_rx_rings(vsi, true);
2040 * ice_vsi_stop_rx_rings - stop VSI's Rx rings
2043 * Returns 0 on success and a negative value on error
2045 int ice_vsi_stop_rx_rings(struct ice_vsi *vsi)
2047 return ice_vsi_ctrl_rx_rings(vsi, false);
2051 * ice_trigger_sw_intr - trigger a software interrupt
2052 * @hw: pointer to the HW structure
2053 * @q_vector: interrupt vector to trigger the software interrupt for
2055 void ice_trigger_sw_intr(struct ice_hw *hw, struct ice_q_vector *q_vector)
2057 wr32(hw, GLINT_DYN_CTL(q_vector->reg_idx),
2058 (ICE_ITR_NONE << GLINT_DYN_CTL_ITR_INDX_S) |
2059 GLINT_DYN_CTL_SWINT_TRIG_M |
2060 GLINT_DYN_CTL_INTENA_M);
2064 * ice_vsi_stop_tx_rings - Disable Tx rings
2065 * @vsi: the VSI being configured
2066 * @rst_src: reset source
2067 * @rel_vmvf_num: Relative ID of VF/VM
2068 * @rings: Tx ring array to be stopped
2069 * @offset: offset within vsi->txq_map
2072 ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
2073 u16 rel_vmvf_num, struct ice_ring **rings, int offset)
2075 struct ice_pf *pf = vsi->back;
2076 struct ice_hw *hw = &pf->hw;
2077 int tc, q_idx = 0, err = 0;
2078 u16 *q_ids, *q_handles, i;
2079 enum ice_status status;
2082 if (vsi->num_txq > ICE_LAN_TXQ_MAX_QDIS)
2085 q_teids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_teids),
2090 q_ids = devm_kcalloc(&pf->pdev->dev, vsi->num_txq, sizeof(*q_ids),
2094 goto err_alloc_q_ids;
2097 q_handles = devm_kcalloc(&pf->pdev->dev, vsi->num_txq,
2098 sizeof(*q_handles), GFP_KERNEL);
2101 goto err_alloc_q_handles;
2104 /* set up the Tx queue list to be disabled for each enabled TC */
2105 ice_for_each_traffic_class(tc) {
2106 if (!(vsi->tc_cfg.ena_tc & BIT(tc)))
2109 for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) {
2110 struct ice_q_vector *q_vector;
2112 if (!rings || !rings[q_idx]) {
2117 q_ids[i] = vsi->txq_map[q_idx + offset];
2118 q_teids[i] = rings[q_idx]->txq_teid;
2121 /* clear cause_ena bit for disabled queues */
2122 val = rd32(hw, QINT_TQCTL(rings[i]->reg_idx));
2123 val &= ~QINT_TQCTL_CAUSE_ENA_M;
2124 wr32(hw, QINT_TQCTL(rings[i]->reg_idx), val);
2126 /* software is expected to wait for 100 ns */
2129 /* trigger a software interrupt for the vector
2130 * associated to the queue to schedule NAPI handler
2132 q_vector = rings[i]->q_vector;
2134 ice_trigger_sw_intr(hw, q_vector);
2138 status = ice_dis_vsi_txq(vsi->port_info, vsi->idx, tc,
2139 vsi->num_txq, q_handles, q_ids,
2140 q_teids, rst_src, rel_vmvf_num, NULL);
2142 /* if the disable queue command was exercised during an active
2143 * reset flow, ICE_ERR_RESET_ONGOING is returned. This is not
2144 * an error as the reset operation disables queues at the
2145 * hardware level anyway.
2147 if (status == ICE_ERR_RESET_ONGOING) {
2148 dev_dbg(&pf->pdev->dev,
2149 "Reset in progress. LAN Tx queues already disabled\n");
2150 } else if (status == ICE_ERR_DOES_NOT_EXIST) {
2151 dev_dbg(&pf->pdev->dev,
2152 "LAN Tx queues does not exist, nothing to disabled\n");
2153 } else if (status) {
2154 dev_err(&pf->pdev->dev,
2155 "Failed to disable LAN Tx queues, error: %d\n",
2162 devm_kfree(&pf->pdev->dev, q_handles);
2164 err_alloc_q_handles:
2165 devm_kfree(&pf->pdev->dev, q_ids);
2168 devm_kfree(&pf->pdev->dev, q_teids);
2174 * ice_vsi_stop_lan_tx_rings - Disable LAN Tx rings
2175 * @vsi: the VSI being configured
2176 * @rst_src: reset source
2177 * @rel_vmvf_num: Relative ID of VF/VM
2180 ice_vsi_stop_lan_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src,
2183 return ice_vsi_stop_tx_rings(vsi, rst_src, rel_vmvf_num, vsi->tx_rings,
2188 * ice_cfg_vlan_pruning - enable or disable VLAN pruning on the VSI
2189 * @vsi: VSI to enable or disable VLAN pruning on
2190 * @ena: set to true to enable VLAN pruning and false to disable it
2191 * @vlan_promisc: enable valid security flags if not in VLAN promiscuous mode
2193 * returns 0 if VSI is updated, negative otherwise
2195 int ice_cfg_vlan_pruning(struct ice_vsi *vsi, bool ena, bool vlan_promisc)
2197 struct ice_vsi_ctx *ctxt;
2206 dev = &pf->pdev->dev;
2207 ctxt = devm_kzalloc(dev, sizeof(*ctxt), GFP_KERNEL);
2211 ctxt->info = vsi->info;
2214 ctxt->info.sec_flags |=
2215 ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
2216 ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S;
2217 ctxt->info.sw_flags2 |= ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
2219 ctxt->info.sec_flags &=
2220 ~(ICE_AQ_VSI_SEC_TX_VLAN_PRUNE_ENA <<
2221 ICE_AQ_VSI_SEC_TX_PRUNE_ENA_S);
2222 ctxt->info.sw_flags2 &= ~ICE_AQ_VSI_SW_FLAG_RX_VLAN_PRUNE_ENA;
2226 ctxt->info.valid_sections =
2227 cpu_to_le16(ICE_AQ_VSI_PROP_SECURITY_VALID |
2228 ICE_AQ_VSI_PROP_SW_VALID);
2230 status = ice_update_vsi(&pf->hw, vsi->idx, ctxt, NULL);
2232 netdev_err(vsi->netdev, "%sabling VLAN pruning on VSI handle: %d, VSI HW ID: %d failed, err = %d, aq_err = %d\n",
2233 ena ? "En" : "Dis", vsi->idx, vsi->vsi_num, status,
2234 pf->hw.adminq.sq_last_status);
2238 vsi->info.sec_flags = ctxt->info.sec_flags;
2239 vsi->info.sw_flags2 = ctxt->info.sw_flags2;
2241 devm_kfree(dev, ctxt);
2245 devm_kfree(dev, ctxt);
2249 static void ice_vsi_set_tc_cfg(struct ice_vsi *vsi)
2251 struct ice_dcbx_cfg *cfg = &vsi->port_info->local_dcbx_cfg;
2253 vsi->tc_cfg.ena_tc = ice_dcb_get_ena_tc(cfg);
2254 vsi->tc_cfg.numtc = ice_dcb_get_num_tc(cfg);
2258 * ice_vsi_set_q_vectors_reg_idx - set the HW register index for all q_vectors
2259 * @vsi: VSI to set the q_vectors register index on
2262 ice_vsi_set_q_vectors_reg_idx(struct ice_vsi *vsi)
2266 if (!vsi || !vsi->q_vectors)
2269 ice_for_each_q_vector(vsi, i) {
2270 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2273 dev_err(&vsi->back->pdev->dev,
2274 "Failed to set reg_idx on q_vector %d VSI %d\n",
2279 if (vsi->type == ICE_VSI_VF) {
2280 struct ice_vf *vf = &vsi->back->vf[vsi->vf_id];
2282 q_vector->reg_idx = ice_calc_vf_reg_idx(vf, q_vector);
2285 q_vector->v_idx + vsi->base_vector;
2292 ice_for_each_q_vector(vsi, i) {
2293 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2296 q_vector->reg_idx = 0;
2303 * ice_vsi_add_rem_eth_mac - Program VSI ethertype based filter with rule
2304 * @vsi: the VSI being configured
2305 * @add_rule: boolean value to add or remove ethertype filter rule
2308 ice_vsi_add_rem_eth_mac(struct ice_vsi *vsi, bool add_rule)
2310 struct ice_fltr_list_entry *list;
2311 struct ice_pf *pf = vsi->back;
2312 LIST_HEAD(tmp_add_list);
2313 enum ice_status status;
2315 list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
2319 list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
2320 list->fltr_info.fltr_act = ICE_DROP_PACKET;
2321 list->fltr_info.flag = ICE_FLTR_TX;
2322 list->fltr_info.src_id = ICE_SRC_ID_VSI;
2323 list->fltr_info.vsi_handle = vsi->idx;
2324 list->fltr_info.l_data.ethertype_mac.ethertype = vsi->ethtype;
2326 INIT_LIST_HEAD(&list->list_entry);
2327 list_add(&list->list_entry, &tmp_add_list);
2330 status = ice_add_eth_mac(&pf->hw, &tmp_add_list);
2332 status = ice_remove_eth_mac(&pf->hw, &tmp_add_list);
2335 dev_err(&pf->pdev->dev,
2336 "Failure Adding or Removing Ethertype on VSI %i error: %d\n",
2337 vsi->vsi_num, status);
2339 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
2343 * ice_cfg_sw_lldp - Config switch rules for LLDP packet handling
2344 * @vsi: the VSI being configured
2345 * @tx: bool to determine Tx or Rx rule
2346 * @create: bool to determine create or remove Rule
2348 void ice_cfg_sw_lldp(struct ice_vsi *vsi, bool tx, bool create)
2350 struct ice_fltr_list_entry *list;
2351 struct ice_pf *pf = vsi->back;
2352 LIST_HEAD(tmp_add_list);
2353 enum ice_status status;
2355 list = devm_kzalloc(&pf->pdev->dev, sizeof(*list), GFP_KERNEL);
2359 list->fltr_info.lkup_type = ICE_SW_LKUP_ETHERTYPE;
2360 list->fltr_info.vsi_handle = vsi->idx;
2361 list->fltr_info.l_data.ethertype_mac.ethertype = ETH_P_LLDP;
2364 list->fltr_info.fltr_act = ICE_DROP_PACKET;
2365 list->fltr_info.flag = ICE_FLTR_TX;
2366 list->fltr_info.src_id = ICE_SRC_ID_VSI;
2368 list->fltr_info.fltr_act = ICE_FWD_TO_VSI;
2369 list->fltr_info.flag = ICE_FLTR_RX;
2370 list->fltr_info.src_id = ICE_SRC_ID_LPORT;
2373 INIT_LIST_HEAD(&list->list_entry);
2374 list_add(&list->list_entry, &tmp_add_list);
2377 status = ice_add_eth_mac(&pf->hw, &tmp_add_list);
2379 status = ice_remove_eth_mac(&pf->hw, &tmp_add_list);
2382 dev_err(&pf->pdev->dev,
2383 "Fail %s %s LLDP rule on VSI %i error: %d\n",
2384 create ? "adding" : "removing", tx ? "TX" : "RX",
2385 vsi->vsi_num, status);
2387 ice_free_fltr_list(&pf->pdev->dev, &tmp_add_list);
2391 * ice_vsi_setup - Set up a VSI by a given type
2392 * @pf: board private structure
2393 * @pi: pointer to the port_info instance
2395 * @vf_id: defines VF ID to which this VSI connects. This field is meant to be
2396 * used only for ICE_VSI_VF VSI type. For other VSI types, should
2397 * fill-in ICE_INVAL_VFID as input.
2399 * This allocates the sw VSI structure and its queue resources.
2401 * Returns pointer to the successfully allocated and configured VSI sw struct on
2402 * success, NULL on failure.
2405 ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi,
2406 enum ice_vsi_type type, u16 vf_id)
2408 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
2409 struct device *dev = &pf->pdev->dev;
2410 enum ice_status status;
2411 struct ice_vsi *vsi;
2414 if (type == ICE_VSI_VF)
2415 vsi = ice_vsi_alloc(pf, type, vf_id);
2417 vsi = ice_vsi_alloc(pf, type, ICE_INVAL_VFID);
2420 dev_err(dev, "could not allocate VSI\n");
2424 vsi->port_info = pi;
2425 vsi->vsw = pf->first_sw;
2426 if (vsi->type == ICE_VSI_PF)
2427 vsi->ethtype = ETH_P_PAUSE;
2429 if (vsi->type == ICE_VSI_VF)
2432 if (ice_vsi_get_qs(vsi)) {
2433 dev_err(dev, "Failed to allocate queues. vsi->idx = %d\n",
2438 /* set RSS capabilities */
2439 ice_vsi_set_rss_params(vsi);
2441 /* set TC configuration */
2442 ice_vsi_set_tc_cfg(vsi);
2444 /* create the VSI */
2445 ret = ice_vsi_init(vsi);
2449 switch (vsi->type) {
2451 ret = ice_vsi_alloc_q_vectors(vsi);
2453 goto unroll_vsi_init;
2455 ret = ice_vsi_setup_vector_base(vsi);
2457 goto unroll_alloc_q_vector;
2459 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2461 goto unroll_vector_base;
2463 ret = ice_vsi_alloc_rings(vsi);
2465 goto unroll_vector_base;
2467 ice_vsi_map_rings_to_vectors(vsi);
2469 /* Do not exit if configuring RSS had an issue, at least
2470 * receive traffic on first queue. Hence no need to capture
2473 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2474 ice_vsi_cfg_rss_lut_key(vsi);
2477 /* VF driver will take care of creating netdev for this type and
2478 * map queues to vectors through Virtchnl, PF driver only
2479 * creates a VSI and corresponding structures for bookkeeping
2482 ret = ice_vsi_alloc_q_vectors(vsi);
2484 goto unroll_vsi_init;
2486 ret = ice_vsi_alloc_rings(vsi);
2488 goto unroll_alloc_q_vector;
2490 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2492 goto unroll_vector_base;
2494 pf->q_left_tx -= vsi->alloc_txq;
2495 pf->q_left_rx -= vsi->alloc_rxq;
2497 /* Do not exit if configuring RSS had an issue, at least
2498 * receive traffic on first queue. Hence no need to capture
2501 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2502 ice_vsi_cfg_rss_lut_key(vsi);
2505 ret = ice_vsi_alloc_rings(vsi);
2507 goto unroll_vsi_init;
2510 /* clean up the resources and exit */
2511 goto unroll_vsi_init;
2514 /* configure VSI nodes based on number of queues and TC's */
2515 for (i = 0; i < vsi->tc_cfg.numtc; i++)
2516 max_txqs[i] = vsi->alloc_txq;
2518 status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
2521 dev_err(&pf->pdev->dev,
2522 "VSI %d failed lan queue config, error %d\n",
2523 vsi->vsi_num, status);
2524 goto unroll_vector_base;
2527 /* Add switch rule to drop all Tx Flow Control Frames, of look up
2528 * type ETHERTYPE from VSIs, and restrict malicious VF from sending
2529 * out PAUSE or PFC frames. If enabled, FW can still send FC frames.
2530 * The rule is added once for PF VSI in order to create appropriate
2531 * recipe, since VSI/VSI list is ignored with drop action...
2532 * Also add rules to handle LLDP Tx and Rx packets. Tx LLDP packets
2533 * need to be dropped so that VFs cannot send LLDP packets to reconfig
2534 * DCB settings in the HW. Also, if the FW DCBX engine is not running
2535 * then Rx LLDP packets need to be redirected up the stack.
2537 if (vsi->type == ICE_VSI_PF) {
2538 ice_vsi_add_rem_eth_mac(vsi, true);
2540 /* Tx LLDP packets */
2541 ice_cfg_sw_lldp(vsi, true, true);
2543 /* Rx LLDP packets */
2544 if (!test_bit(ICE_FLAG_ENABLE_FW_LLDP, pf->flags))
2545 ice_cfg_sw_lldp(vsi, false, true);
2551 /* reclaim SW interrupts back to the common pool */
2552 ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
2553 pf->num_avail_sw_msix += vsi->num_q_vectors;
2554 unroll_alloc_q_vector:
2555 ice_vsi_free_q_vectors(vsi);
2557 ice_vsi_delete(vsi);
2559 ice_vsi_put_qs(vsi);
2560 pf->q_left_tx += vsi->alloc_txq;
2561 pf->q_left_rx += vsi->alloc_rxq;
2568 * ice_vsi_release_msix - Clear the queue to Interrupt mapping in HW
2569 * @vsi: the VSI being cleaned up
2571 static void ice_vsi_release_msix(struct ice_vsi *vsi)
2573 struct ice_pf *pf = vsi->back;
2574 struct ice_hw *hw = &pf->hw;
2579 for (i = 0; i < vsi->num_q_vectors; i++) {
2580 struct ice_q_vector *q_vector = vsi->q_vectors[i];
2581 u16 reg_idx = q_vector->reg_idx;
2583 wr32(hw, GLINT_ITR(ICE_IDX_ITR0, reg_idx), 0);
2584 wr32(hw, GLINT_ITR(ICE_IDX_ITR1, reg_idx), 0);
2585 for (q = 0; q < q_vector->num_ring_tx; q++) {
2586 wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), 0);
2590 for (q = 0; q < q_vector->num_ring_rx; q++) {
2591 wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), 0);
2600 * ice_vsi_free_irq - Free the IRQ association with the OS
2601 * @vsi: the VSI being configured
2603 void ice_vsi_free_irq(struct ice_vsi *vsi)
2605 struct ice_pf *pf = vsi->back;
2606 int base = vsi->base_vector;
2609 if (!vsi->q_vectors || !vsi->irqs_ready)
2612 ice_vsi_release_msix(vsi);
2613 if (vsi->type == ICE_VSI_VF)
2616 vsi->irqs_ready = false;
2617 ice_for_each_q_vector(vsi, i) {
2618 u16 vector = i + base;
2621 irq_num = pf->msix_entries[vector].vector;
2623 /* free only the irqs that were actually requested */
2624 if (!vsi->q_vectors[i] ||
2625 !(vsi->q_vectors[i]->num_ring_tx ||
2626 vsi->q_vectors[i]->num_ring_rx))
2629 /* clear the affinity notifier in the IRQ descriptor */
2630 irq_set_affinity_notifier(irq_num, NULL);
2632 /* clear the affinity_mask in the IRQ descriptor */
2633 irq_set_affinity_hint(irq_num, NULL);
2634 synchronize_irq(irq_num);
2635 devm_free_irq(&pf->pdev->dev, irq_num,
2641 * ice_vsi_free_tx_rings - Free Tx resources for VSI queues
2642 * @vsi: the VSI having resources freed
2644 void ice_vsi_free_tx_rings(struct ice_vsi *vsi)
2651 ice_for_each_txq(vsi, i)
2652 if (vsi->tx_rings[i] && vsi->tx_rings[i]->desc)
2653 ice_free_tx_ring(vsi->tx_rings[i]);
2657 * ice_vsi_free_rx_rings - Free Rx resources for VSI queues
2658 * @vsi: the VSI having resources freed
2660 void ice_vsi_free_rx_rings(struct ice_vsi *vsi)
2667 ice_for_each_rxq(vsi, i)
2668 if (vsi->rx_rings[i] && vsi->rx_rings[i]->desc)
2669 ice_free_rx_ring(vsi->rx_rings[i]);
2673 * ice_vsi_close - Shut down a VSI
2674 * @vsi: the VSI being shut down
2676 void ice_vsi_close(struct ice_vsi *vsi)
2678 if (!test_and_set_bit(__ICE_DOWN, vsi->state))
2681 ice_vsi_free_irq(vsi);
2682 ice_vsi_free_tx_rings(vsi);
2683 ice_vsi_free_rx_rings(vsi);
2687 * ice_free_res - free a block of resources
2688 * @res: pointer to the resource
2689 * @index: starting index previously returned by ice_get_res
2690 * @id: identifier to track owner
2692 * Returns number of resources freed
2694 int ice_free_res(struct ice_res_tracker *res, u16 index, u16 id)
2699 if (!res || index >= res->end)
2702 id |= ICE_RES_VALID_BIT;
2703 for (i = index; i < res->end && res->list[i] == id; i++) {
2712 * ice_search_res - Search the tracker for a block of resources
2713 * @res: pointer to the resource
2714 * @needed: size of the block needed
2715 * @id: identifier to track owner
2717 * Returns the base item index of the block, or -ENOMEM for error
2719 static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id)
2721 int start = 0, end = 0;
2723 if (needed > res->end)
2726 id |= ICE_RES_VALID_BIT;
2729 /* skip already allocated entries */
2730 if (res->list[end++] & ICE_RES_VALID_BIT) {
2732 if ((start + needed) > res->end)
2736 if (end == (start + needed)) {
2739 /* there was enough, so assign it to the requestor */
2741 res->list[i++] = id;
2745 } while (end < res->end);
2751 * ice_get_res - get a block of resources
2752 * @pf: board private structure
2753 * @res: pointer to the resource
2754 * @needed: size of the block needed
2755 * @id: identifier to track owner
2757 * Returns the base item index of the block, or negative for error
2760 ice_get_res(struct ice_pf *pf, struct ice_res_tracker *res, u16 needed, u16 id)
2765 if (!needed || needed > res->num_entries || id >= ICE_RES_VALID_BIT) {
2766 dev_err(&pf->pdev->dev,
2767 "param err: needed=%d, num_entries = %d id=0x%04x\n",
2768 needed, res->num_entries, id);
2772 return ice_search_res(res, needed, id);
2776 * ice_vsi_dis_irq - Mask off queue interrupt generation on the VSI
2777 * @vsi: the VSI being un-configured
2779 void ice_vsi_dis_irq(struct ice_vsi *vsi)
2781 int base = vsi->base_vector;
2782 struct ice_pf *pf = vsi->back;
2783 struct ice_hw *hw = &pf->hw;
2787 /* disable interrupt causation from each queue */
2788 if (vsi->tx_rings) {
2789 ice_for_each_txq(vsi, i) {
2790 if (vsi->tx_rings[i]) {
2793 reg = vsi->tx_rings[i]->reg_idx;
2794 val = rd32(hw, QINT_TQCTL(reg));
2795 val &= ~QINT_TQCTL_CAUSE_ENA_M;
2796 wr32(hw, QINT_TQCTL(reg), val);
2801 if (vsi->rx_rings) {
2802 ice_for_each_rxq(vsi, i) {
2803 if (vsi->rx_rings[i]) {
2806 reg = vsi->rx_rings[i]->reg_idx;
2807 val = rd32(hw, QINT_RQCTL(reg));
2808 val &= ~QINT_RQCTL_CAUSE_ENA_M;
2809 wr32(hw, QINT_RQCTL(reg), val);
2814 /* disable each interrupt */
2815 ice_for_each_q_vector(vsi, i)
2816 wr32(hw, GLINT_DYN_CTL(vsi->q_vectors[i]->reg_idx), 0);
2820 ice_for_each_q_vector(vsi, i)
2821 synchronize_irq(pf->msix_entries[i + base].vector);
2825 * ice_napi_del - Remove NAPI handler for the VSI
2826 * @vsi: VSI for which NAPI handler is to be removed
2828 void ice_napi_del(struct ice_vsi *vsi)
2835 ice_for_each_q_vector(vsi, v_idx)
2836 netif_napi_del(&vsi->q_vectors[v_idx]->napi);
2840 * ice_vsi_release - Delete a VSI and free its resources
2841 * @vsi: the VSI being removed
2843 * Returns 0 on success or < 0 on error
2845 int ice_vsi_release(struct ice_vsi *vsi)
2853 /* do not unregister while driver is in the reset recovery pending
2854 * state. Since reset/rebuild happens through PF service task workqueue,
2855 * it's not a good idea to unregister netdev that is associated to the
2856 * PF that is running the work queue items currently. This is done to
2857 * avoid check_flush_dependency() warning on this wq
2859 if (vsi->netdev && !ice_is_reset_in_progress(pf->state))
2860 unregister_netdev(vsi->netdev);
2862 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2865 /* Disable VSI and free resources */
2866 if (vsi->type != ICE_VSI_LB)
2867 ice_vsi_dis_irq(vsi);
2870 /* SR-IOV determines needed MSIX resources all at once instead of per
2871 * VSI since when VFs are spawned we know how many VFs there are and how
2872 * many interrupts each VF needs. SR-IOV MSIX resources are also
2873 * cleared in the same manner.
2875 if (vsi->type != ICE_VSI_VF) {
2876 /* reclaim SW interrupts back to the common pool */
2877 ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
2878 pf->num_avail_sw_msix += vsi->num_q_vectors;
2881 if (vsi->type == ICE_VSI_PF) {
2882 ice_vsi_add_rem_eth_mac(vsi, false);
2883 ice_cfg_sw_lldp(vsi, true, false);
2884 /* The Rx rule will only exist to remove if the LLDP FW
2885 * engine is currently stopped
2887 if (!test_bit(ICE_FLAG_ENABLE_FW_LLDP, pf->flags))
2888 ice_cfg_sw_lldp(vsi, false, false);
2891 ice_remove_vsi_fltr(&pf->hw, vsi->idx);
2892 ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
2893 ice_vsi_delete(vsi);
2894 ice_vsi_free_q_vectors(vsi);
2896 /* make sure unregister_netdev() was called by checking __ICE_DOWN */
2897 if (vsi->netdev && test_bit(__ICE_DOWN, vsi->state)) {
2898 free_netdev(vsi->netdev);
2902 ice_vsi_clear_rings(vsi);
2904 ice_vsi_put_qs(vsi);
2905 pf->q_left_tx += vsi->alloc_txq;
2906 pf->q_left_rx += vsi->alloc_rxq;
2908 /* retain SW VSI data structure since it is needed to unregister and
2909 * free VSI netdev when PF is not in reset recovery pending state,\
2910 * for ex: during rmmod.
2912 if (!ice_is_reset_in_progress(pf->state))
2919 * ice_vsi_rebuild - Rebuild VSI after reset
2920 * @vsi: VSI to be rebuild
2922 * Returns 0 on success and negative value on failure
2924 int ice_vsi_rebuild(struct ice_vsi *vsi)
2926 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
2927 struct ice_vf *vf = NULL;
2928 enum ice_status status;
2936 if (vsi->type == ICE_VSI_VF)
2937 vf = &pf->vf[vsi->vf_id];
2939 ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx);
2940 ice_vsi_free_q_vectors(vsi);
2942 /* SR-IOV determines needed MSIX resources all at once instead of per
2943 * VSI since when VFs are spawned we know how many VFs there are and how
2944 * many interrupts each VF needs. SR-IOV MSIX resources are also
2945 * cleared in the same manner.
2947 if (vsi->type != ICE_VSI_VF) {
2948 /* reclaim SW interrupts back to the common pool */
2949 ice_free_res(pf->irq_tracker, vsi->base_vector, vsi->idx);
2950 pf->num_avail_sw_msix += vsi->num_q_vectors;
2951 vsi->base_vector = 0;
2954 ice_vsi_clear_rings(vsi);
2955 ice_vsi_free_arrays(vsi);
2956 ice_dev_onetime_setup(&pf->hw);
2957 if (vsi->type == ICE_VSI_VF)
2958 ice_vsi_set_num_qs(vsi, vf->vf_id);
2960 ice_vsi_set_num_qs(vsi, ICE_INVAL_VFID);
2961 ice_vsi_set_tc_cfg(vsi);
2963 /* Initialize VSI struct elements and create VSI in FW */
2964 ret = ice_vsi_init(vsi);
2968 ret = ice_vsi_alloc_arrays(vsi);
2972 switch (vsi->type) {
2974 ret = ice_vsi_alloc_q_vectors(vsi);
2978 ret = ice_vsi_setup_vector_base(vsi);
2982 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
2986 ret = ice_vsi_alloc_rings(vsi);
2990 ice_vsi_map_rings_to_vectors(vsi);
2991 /* Do not exit if configuring RSS had an issue, at least
2992 * receive traffic on first queue. Hence no need to capture
2995 if (test_bit(ICE_FLAG_RSS_ENA, pf->flags))
2996 ice_vsi_cfg_rss_lut_key(vsi);
2999 ret = ice_vsi_alloc_q_vectors(vsi);
3003 ret = ice_vsi_set_q_vectors_reg_idx(vsi);
3007 ret = ice_vsi_alloc_rings(vsi);
3011 pf->q_left_tx -= vsi->alloc_txq;
3012 pf->q_left_rx -= vsi->alloc_rxq;
3018 /* configure VSI nodes based on number of queues and TC's */
3019 for (i = 0; i < vsi->tc_cfg.numtc; i++)
3020 max_txqs[i] = vsi->alloc_txq;
3022 status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
3025 dev_err(&pf->pdev->dev,
3026 "VSI %d failed lan queue config, error %d\n",
3027 vsi->vsi_num, status);
3033 ice_vsi_free_q_vectors(vsi);
3036 vsi->current_netdev_flags = 0;
3037 unregister_netdev(vsi->netdev);
3038 free_netdev(vsi->netdev);
3043 set_bit(__ICE_RESET_FAILED, pf->state);
3048 * ice_is_reset_in_progress - check for a reset in progress
3049 * @state: PF state field
3051 bool ice_is_reset_in_progress(unsigned long *state)
3053 return test_bit(__ICE_RESET_OICR_RECV, state) ||
3054 test_bit(__ICE_PFR_REQ, state) ||
3055 test_bit(__ICE_CORER_REQ, state) ||
3056 test_bit(__ICE_GLOBR_REQ, state);
3061 * ice_vsi_update_q_map - update our copy of the VSI info with new queue map
3062 * @vsi: VSI being configured
3063 * @ctx: the context buffer returned from AQ VSI update command
3065 static void ice_vsi_update_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctx)
3067 vsi->info.mapping_flags = ctx->info.mapping_flags;
3068 memcpy(&vsi->info.q_mapping, &ctx->info.q_mapping,
3069 sizeof(vsi->info.q_mapping));
3070 memcpy(&vsi->info.tc_mapping, ctx->info.tc_mapping,
3071 sizeof(vsi->info.tc_mapping));
3075 * ice_vsi_cfg_netdev_tc - Setup the netdev TC configuration
3076 * @vsi: the VSI being configured
3077 * @ena_tc: TC map to be enabled
3079 static void ice_vsi_cfg_netdev_tc(struct ice_vsi *vsi, u8 ena_tc)
3081 struct net_device *netdev = vsi->netdev;
3082 struct ice_pf *pf = vsi->back;
3083 struct ice_dcbx_cfg *dcbcfg;
3091 netdev_reset_tc(netdev);
3095 if (netdev_set_num_tc(netdev, vsi->tc_cfg.numtc))
3098 dcbcfg = &pf->hw.port_info->local_dcbx_cfg;
3100 ice_for_each_traffic_class(i)
3101 if (vsi->tc_cfg.ena_tc & BIT(i))
3102 netdev_set_tc_queue(netdev,
3103 vsi->tc_cfg.tc_info[i].netdev_tc,
3104 vsi->tc_cfg.tc_info[i].qcount_tx,
3105 vsi->tc_cfg.tc_info[i].qoffset);
3107 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
3108 u8 ets_tc = dcbcfg->etscfg.prio_table[i];
3110 /* Get the mapped netdev TC# for the UP */
3111 netdev_tc = vsi->tc_cfg.tc_info[ets_tc].netdev_tc;
3112 netdev_set_prio_tc_map(netdev, i, netdev_tc);
3117 * ice_vsi_cfg_tc - Configure VSI Tx Sched for given TC map
3118 * @vsi: VSI to be configured
3119 * @ena_tc: TC bitmap
3121 * VSI queues expected to be quiesced before calling this function
3123 int ice_vsi_cfg_tc(struct ice_vsi *vsi, u8 ena_tc)
3125 u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 };
3126 struct ice_vsi_ctx *ctx;
3127 struct ice_pf *pf = vsi->back;
3128 enum ice_status status;
3132 ice_for_each_traffic_class(i) {
3133 /* build bitmap of enabled TCs */
3134 if (ena_tc & BIT(i))
3136 /* populate max_txqs per TC */
3137 max_txqs[i] = vsi->alloc_txq;
3140 vsi->tc_cfg.ena_tc = ena_tc;
3141 vsi->tc_cfg.numtc = num_tc;
3143 ctx = devm_kzalloc(&pf->pdev->dev, sizeof(*ctx), GFP_KERNEL);
3148 ctx->info = vsi->info;
3150 ice_vsi_setup_q_map(vsi, ctx);
3152 /* must to indicate which section of VSI context are being modified */
3153 ctx->info.valid_sections = cpu_to_le16(ICE_AQ_VSI_PROP_RXQ_MAP_VALID);
3154 status = ice_update_vsi(&pf->hw, vsi->idx, ctx, NULL);
3156 dev_info(&pf->pdev->dev, "Failed VSI Update\n");
3161 status = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc,
3165 dev_err(&pf->pdev->dev,
3166 "VSI %d failed TC config, error %d\n",
3167 vsi->vsi_num, status);
3171 ice_vsi_update_q_map(vsi, ctx);
3172 vsi->info.valid_sections = 0;
3174 ice_vsi_cfg_netdev_tc(vsi, ena_tc);
3176 devm_kfree(&pf->pdev->dev, ctx);
3179 #endif /* CONFIG_DCB */