Lines Matching +full:queue +full:- +full:rx
1 // SPDX-License-Identifier: GPL-2.0
11 * __ice_vsi_get_qs_contig - Assign a contiguous chunk of queues to VSI
12 * @qs_cfg: gathered variables needed for PF->VSI queues assignment
14 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
20 mutex_lock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_contig()
21 offset = bitmap_find_next_zero_area(qs_cfg->pf_map, qs_cfg->pf_map_size, in __ice_vsi_get_qs_contig()
22 0, qs_cfg->q_count, 0); in __ice_vsi_get_qs_contig()
23 if (offset >= qs_cfg->pf_map_size) { in __ice_vsi_get_qs_contig()
24 mutex_unlock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_contig()
25 return -ENOMEM; in __ice_vsi_get_qs_contig()
28 bitmap_set(qs_cfg->pf_map, offset, qs_cfg->q_count); in __ice_vsi_get_qs_contig()
29 for (i = 0; i < qs_cfg->q_count; i++) in __ice_vsi_get_qs_contig()
30 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = (u16)(i + offset); in __ice_vsi_get_qs_contig()
31 mutex_unlock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_contig()
37 * __ice_vsi_get_qs_sc - Assign a scattered queues from PF to VSI
38 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
40 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
46 mutex_lock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_sc()
47 for (i = 0; i < qs_cfg->q_count; i++) { in __ice_vsi_get_qs_sc()
48 index = find_next_zero_bit(qs_cfg->pf_map, in __ice_vsi_get_qs_sc()
49 qs_cfg->pf_map_size, index); in __ice_vsi_get_qs_sc()
50 if (index >= qs_cfg->pf_map_size) in __ice_vsi_get_qs_sc()
52 set_bit(index, qs_cfg->pf_map); in __ice_vsi_get_qs_sc()
53 qs_cfg->vsi_map[i + qs_cfg->vsi_map_offset] = (u16)index; in __ice_vsi_get_qs_sc()
55 mutex_unlock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_sc()
60 clear_bit(qs_cfg->vsi_map[index], qs_cfg->pf_map); in __ice_vsi_get_qs_sc()
61 qs_cfg->vsi_map[index + qs_cfg->vsi_map_offset] = 0; in __ice_vsi_get_qs_sc()
63 mutex_unlock(qs_cfg->qs_mutex); in __ice_vsi_get_qs_sc()
65 return -ENOMEM; in __ice_vsi_get_qs_sc()
69 * ice_pf_rxq_wait - Wait for a PF's Rx queue to be enabled or disabled
71 * @pf_q: the PF queue
72 * @ena: enable or disable state of the queue
74 * This routine will wait for the given Rx queue of the PF to reach the
76 * Returns -ETIMEDOUT in case of failing to reach the requested state after
84 if (ena == !!(rd32(&pf->hw, QRX_CTRL(pf_q)) & in ice_pf_rxq_wait()
91 return -ETIMEDOUT; in ice_pf_rxq_wait()
95 * ice_vsi_alloc_q_vector - Allocate memory for a single interrupt vector
100 * with this q_vector. If allocation fails we return -ENOMEM.
104 struct ice_pf *pf = vsi->back; in ice_vsi_alloc_q_vector()
111 return -ENOMEM; in ice_vsi_alloc_q_vector()
113 q_vector->vsi = vsi; in ice_vsi_alloc_q_vector()
114 q_vector->v_idx = v_idx; in ice_vsi_alloc_q_vector()
115 q_vector->tx.itr_setting = ICE_DFLT_TX_ITR; in ice_vsi_alloc_q_vector()
116 q_vector->rx.itr_setting = ICE_DFLT_RX_ITR; in ice_vsi_alloc_q_vector()
117 q_vector->tx.itr_mode = ITR_DYNAMIC; in ice_vsi_alloc_q_vector()
118 q_vector->rx.itr_mode = ITR_DYNAMIC; in ice_vsi_alloc_q_vector()
119 q_vector->tx.type = ICE_TX_CONTAINER; in ice_vsi_alloc_q_vector()
120 q_vector->rx.type = ICE_RX_CONTAINER; in ice_vsi_alloc_q_vector()
121 q_vector->irq.index = -ENOENT; in ice_vsi_alloc_q_vector()
123 if (vsi->type == ICE_VSI_VF) { in ice_vsi_alloc_q_vector()
124 q_vector->reg_idx = ice_calc_vf_reg_idx(vsi->vf, q_vector); in ice_vsi_alloc_q_vector()
126 } else if (vsi->type == ICE_VSI_CTRL && vsi->vf) { in ice_vsi_alloc_q_vector()
130 if (unlikely(!ctrl_vsi->q_vectors)) { in ice_vsi_alloc_q_vector()
131 err = -ENOENT; in ice_vsi_alloc_q_vector()
135 q_vector->irq = ctrl_vsi->q_vectors[0]->irq; in ice_vsi_alloc_q_vector()
140 q_vector->irq = ice_alloc_irq(pf, vsi->irq_dyn_alloc); in ice_vsi_alloc_q_vector()
141 if (q_vector->irq.index < 0) { in ice_vsi_alloc_q_vector()
142 err = -ENOMEM; in ice_vsi_alloc_q_vector()
147 q_vector->reg_idx = q_vector->irq.index; in ice_vsi_alloc_q_vector()
151 cpumask_set_cpu(v_idx, &q_vector->affinity_mask); in ice_vsi_alloc_q_vector()
157 if (vsi->netdev) in ice_vsi_alloc_q_vector()
158 netif_napi_add(vsi->netdev, &q_vector->napi, ice_napi_poll); in ice_vsi_alloc_q_vector()
162 vsi->q_vectors[v_idx] = q_vector; in ice_vsi_alloc_q_vector()
173 * ice_free_q_vector - Free memory allocated for a specific interrupt vector
180 struct ice_pf *pf = vsi->back; in ice_free_q_vector()
186 if (!vsi->q_vectors[v_idx]) { in ice_free_q_vector()
187 dev_dbg(dev, "Queue vector at index %d not found\n", v_idx); in ice_free_q_vector()
190 q_vector = vsi->q_vectors[v_idx]; in ice_free_q_vector()
192 ice_for_each_tx_ring(tx_ring, q_vector->tx) { in ice_free_q_vector()
193 ice_queue_set_napi(vsi, tx_ring->q_index, NETDEV_QUEUE_TYPE_TX, in ice_free_q_vector()
195 tx_ring->q_vector = NULL; in ice_free_q_vector()
197 ice_for_each_rx_ring(rx_ring, q_vector->rx) { in ice_free_q_vector()
198 ice_queue_set_napi(vsi, rx_ring->q_index, NETDEV_QUEUE_TYPE_RX, in ice_free_q_vector()
200 rx_ring->q_vector = NULL; in ice_free_q_vector()
204 if (vsi->netdev) in ice_free_q_vector()
205 netif_napi_del(&q_vector->napi); in ice_free_q_vector()
208 if (q_vector->irq.index < 0) in ice_free_q_vector()
212 if (vsi->type == ICE_VSI_CTRL && vsi->vf && in ice_free_q_vector()
216 ice_free_irq(pf, q_vector->irq); in ice_free_q_vector()
220 vsi->q_vectors[v_idx] = NULL; in ice_free_q_vector()
224 * ice_cfg_itr_gran - set the ITR granularity to 2 usecs if not already set
247 * ice_calc_txq_handle - calculate the queue handle
249 * @ring: ring to get the absolute queue index
256 if (ring->ch) in ice_calc_txq_handle()
257 return ring->q_index - ring->ch->base_q; in ice_calc_txq_handle()
259 /* Idea here for calculation is that we subtract the number of queue in ice_calc_txq_handle()
260 * count from TC that ring belongs to from it's absolute queue index in ice_calc_txq_handle()
261 * and as a result we get the queue's index within TC. in ice_calc_txq_handle()
263 return ring->q_index - vsi->tc_cfg.tc_info[tc].qoffset; in ice_calc_txq_handle()
270 * To correctly work with many netdevs ring->q_index of Tx rings on switchdev
272 * here by finding index in vsi->tx_rings of this ring.
275 * because VSI is get from ring->vsi, so it has to be present in this VSI.
279 const struct ice_vsi *vsi = ring->vsi; in ice_eswitch_calc_txq_handle()
283 if (vsi->tx_rings[i] == ring) in ice_eswitch_calc_txq_handle()
291 * ice_cfg_xps_tx_ring - Configure XPS for a Tx ring
299 if (!ring->q_vector || !ring->netdev) in ice_cfg_xps_tx_ring()
303 if (test_and_set_bit(ICE_TX_XPS_INIT_DONE, ring->xps_state)) in ice_cfg_xps_tx_ring()
306 netif_set_xps_queue(ring->netdev, &ring->q_vector->affinity_mask, in ice_cfg_xps_tx_ring()
307 ring->q_index); in ice_cfg_xps_tx_ring()
311 * ice_setup_tx_ctx - setup a struct ice_tlan_ctx instance
313 * @tlan_ctx: Pointer to the Tx LAN queue context structure to be initialized
314 * @pf_q: queue index in the PF space
321 struct ice_vsi *vsi = ring->vsi; in ice_setup_tx_ctx()
322 struct ice_hw *hw = &vsi->back->hw; in ice_setup_tx_ctx()
324 tlan_ctx->base = ring->dma >> ICE_TLAN_CTX_BASE_S; in ice_setup_tx_ctx()
326 tlan_ctx->port_num = vsi->port_info->lport; in ice_setup_tx_ctx()
328 /* Transmit Queue Length */ in ice_setup_tx_ctx()
329 tlan_ctx->qlen = ring->count; in ice_setup_tx_ctx()
331 ice_set_cgd_num(tlan_ctx, ring->dcb_tc); in ice_setup_tx_ctx()
334 tlan_ctx->pf_num = hw->pf_id; in ice_setup_tx_ctx()
336 /* queue belongs to a specific VSI type in ice_setup_tx_ctx()
338 * for vmvf_type = VF, it is VF number between 0-256 in ice_setup_tx_ctx()
339 * for vmvf_type = VM, it is VM number between 0-767 in ice_setup_tx_ctx()
342 switch (vsi->type) { in ice_setup_tx_ctx()
346 if (ring->ch) in ice_setup_tx_ctx()
347 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VMQ; in ice_setup_tx_ctx()
349 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_PF; in ice_setup_tx_ctx()
353 tlan_ctx->vmvf_num = hw->func_caps.vf_base_id + vsi->vf->vf_id; in ice_setup_tx_ctx()
354 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VF; in ice_setup_tx_ctx()
357 tlan_ctx->vmvf_type = ICE_TLAN_CTX_VMVF_TYPE_VMQ; in ice_setup_tx_ctx()
364 if (ring->ch) in ice_setup_tx_ctx()
365 tlan_ctx->src_vsi = ring->ch->vsi_num; in ice_setup_tx_ctx()
367 tlan_ctx->src_vsi = ice_get_hw_vsi_num(hw, vsi->idx); in ice_setup_tx_ctx()
370 switch (vsi->type) { in ice_setup_tx_ctx()
372 tlan_ctx->tsyn_ena = 1; in ice_setup_tx_ctx()
378 tlan_ctx->tso_ena = ICE_TX_LEGACY; in ice_setup_tx_ctx()
379 tlan_ctx->tso_qnum = pf_q; in ice_setup_tx_ctx()
385 tlan_ctx->legacy_int = ICE_TX_LEGACY; in ice_setup_tx_ctx()
389 * ice_rx_offset - Return expected offset into page to access data
402 * ice_setup_rx_ctx - Configure a receive ring context
403 * @ring: The Rx ring to configure
405 * Configure the Rx descriptor ring in RLAN context.
409 struct ice_vsi *vsi = ring->vsi; in ice_setup_rx_ctx()
416 hw = &vsi->back->hw; in ice_setup_rx_ctx()
418 /* what is Rx queue number in global space of 2K Rx queues */ in ice_setup_rx_ctx()
419 pf_q = vsi->rxq_map[ring->q_index]; in ice_setup_rx_ctx()
424 /* Receive Queue Base Address. in ice_setup_rx_ctx()
425 * Indicates the starting address of the descriptor queue defined in in ice_setup_rx_ctx()
428 rlan_ctx.base = ring->dma >> ICE_RLAN_BASE_S; in ice_setup_rx_ctx()
430 rlan_ctx.qlen = ring->count; in ice_setup_rx_ctx()
435 rlan_ctx.dbuf = DIV_ROUND_UP(ring->rx_buf_len, in ice_setup_rx_ctx()
444 rlan_ctx.crcstrip = !(ring->flags & ICE_RX_FLAGS_CRC_STRIP_DIS); in ice_setup_rx_ctx()
447 * and it needs to remain 1 for non-DVM capable configurations to not in ice_setup_rx_ctx()
450 * field in the Rx descriptor. Setting it to 1 allows the VLAN tag to in ice_setup_rx_ctx()
451 * be stripped in L2TAG1 of the Rx descriptor, which is where VFs will in ice_setup_rx_ctx()
455 if (vsi->type == ICE_VSI_VF && in ice_setup_rx_ctx()
456 ice_vf_is_port_vlan_ena(vsi->vf)) in ice_setup_rx_ctx()
473 /* Max packet size for this queue - must not be set to a larger value in ice_setup_rx_ctx()
476 rlan_ctx.rxmax = min_t(u32, vsi->max_frame, in ice_setup_rx_ctx()
477 ICE_MAX_CHAINED_RX_BUFS * ring->rx_buf_len); in ice_setup_rx_ctx()
479 /* Rx queue threshold in units of 64 */ in ice_setup_rx_ctx()
482 /* Enable Flexible Descriptors in the queue context which in ice_setup_rx_ctx()
488 if (vsi->type != ICE_VSI_VF) in ice_setup_rx_ctx()
494 /* Absolute queue number out of 2K needs to be passed */ in ice_setup_rx_ctx()
497 …dev_err(ice_pf_to_dev(vsi->back), "Failed to set LAN Rx queue context for absolute Rx queue %d err… in ice_setup_rx_ctx()
499 return -EIO; in ice_setup_rx_ctx()
502 if (vsi->type == ICE_VSI_VF) in ice_setup_rx_ctx()
505 /* configure Rx buffer alignment */ in ice_setup_rx_ctx()
506 if (!vsi->netdev || test_bit(ICE_FLAG_LEGACY_RX, vsi->back->flags)) in ice_setup_rx_ctx()
511 ring->rx_offset = ice_rx_offset(ring); in ice_setup_rx_ctx()
513 /* init queue specific tail register */ in ice_setup_rx_ctx()
514 ring->tail = hw->hw_addr + QRX_TAIL(pf_q); in ice_setup_rx_ctx()
515 writel(0, ring->tail); in ice_setup_rx_ctx()
522 void *ctx_ptr = &ring->pkt_ctx; in ice_xsk_pool_fill_cb()
527 desc.off = offsetof(struct ice_xdp_buff, pkt_ctx) - in ice_xsk_pool_fill_cb()
530 xsk_pool_fill_cb(ring->xsk_pool, &desc); in ice_xsk_pool_fill_cb()
534 * ice_vsi_cfg_rxq - Configure an Rx queue
541 struct device *dev = ice_pf_to_dev(ring->vsi->back); in ice_vsi_cfg_rxq()
545 ring->rx_buf_len = ring->vsi->rx_buf_len; in ice_vsi_cfg_rxq()
547 if (ring->vsi->type == ICE_VSI_PF) { in ice_vsi_cfg_rxq()
548 if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) { in ice_vsi_cfg_rxq()
549 err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev, in ice_vsi_cfg_rxq()
550 ring->q_index, in ice_vsi_cfg_rxq()
551 ring->q_vector->napi.napi_id, in ice_vsi_cfg_rxq()
552 ring->rx_buf_len); in ice_vsi_cfg_rxq()
557 ring->xsk_pool = ice_xsk_pool(ring); in ice_vsi_cfg_rxq()
558 if (ring->xsk_pool) { in ice_vsi_cfg_rxq()
559 xdp_rxq_info_unreg(&ring->xdp_rxq); in ice_vsi_cfg_rxq()
561 ring->rx_buf_len = in ice_vsi_cfg_rxq()
562 xsk_pool_get_rx_frame_size(ring->xsk_pool); in ice_vsi_cfg_rxq()
563 err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev, in ice_vsi_cfg_rxq()
564 ring->q_index, in ice_vsi_cfg_rxq()
565 ring->q_vector->napi.napi_id, in ice_vsi_cfg_rxq()
566 ring->rx_buf_len); in ice_vsi_cfg_rxq()
569 err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq, in ice_vsi_cfg_rxq()
574 xsk_pool_set_rxq_info(ring->xsk_pool, &ring->xdp_rxq); in ice_vsi_cfg_rxq()
577 dev_info(dev, "Registered XDP mem model MEM_TYPE_XSK_BUFF_POOL on Rx ring %d\n", in ice_vsi_cfg_rxq()
578 ring->q_index); in ice_vsi_cfg_rxq()
580 if (!xdp_rxq_info_is_reg(&ring->xdp_rxq)) { in ice_vsi_cfg_rxq()
581 err = __xdp_rxq_info_reg(&ring->xdp_rxq, ring->netdev, in ice_vsi_cfg_rxq()
582 ring->q_index, in ice_vsi_cfg_rxq()
583 ring->q_vector->napi.napi_id, in ice_vsi_cfg_rxq()
584 ring->rx_buf_len); in ice_vsi_cfg_rxq()
589 err = xdp_rxq_info_reg_mem_model(&ring->xdp_rxq, in ice_vsi_cfg_rxq()
597 xdp_init_buff(&ring->xdp, ice_rx_pg_size(ring) / 2, &ring->xdp_rxq); in ice_vsi_cfg_rxq()
598 ring->xdp.data = NULL; in ice_vsi_cfg_rxq()
599 ring->xdp_ext.pkt_ctx = &ring->pkt_ctx; in ice_vsi_cfg_rxq()
603 ring->q_index, err); in ice_vsi_cfg_rxq()
607 if (ring->xsk_pool) { in ice_vsi_cfg_rxq()
610 if (!xsk_buff_can_alloc(ring->xsk_pool, num_bufs)) { in ice_vsi_cfg_rxq()
611 …dev_warn(dev, "XSK buffer pool does not provide enough addresses to fill %d buffers on Rx ring %d\… in ice_vsi_cfg_rxq()
612 num_bufs, ring->q_index); in ice_vsi_cfg_rxq()
613 dev_warn(dev, "Change Rx ring/fill queue size to avoid performance issues\n"); in ice_vsi_cfg_rxq()
620 u16 pf_q = ring->vsi->rxq_map[ring->q_index]; in ice_vsi_cfg_rxq()
622 … dev_info(dev, "Failed to allocate some buffers on XSK buffer pool enabled Rx ring %d (pf_q %d)\n", in ice_vsi_cfg_rxq()
623 ring->q_index, pf_q); in ice_vsi_cfg_rxq()
635 * __ice_vsi_get_qs - helper function for assigning queues from PF to VSI
636 * @qs_cfg: gathered variables needed for pf->vsi queues assignment
641 * Return 0 on success and -ENOMEM in case of no left space in PF queue bitmap
650 qs_cfg->mapping_mode = ICE_VSI_MAP_SCATTER; in __ice_vsi_get_qs()
651 qs_cfg->q_count = min_t(unsigned int, qs_cfg->q_count, in __ice_vsi_get_qs()
652 qs_cfg->scatter_count); in __ice_vsi_get_qs()
659 * ice_vsi_ctrl_one_rx_ring - start/stop VSI's Rx ring with no busy wait
661 * @ena: start or stop the Rx ring
662 * @rxq_idx: 0-based Rx queue index for the VSI passed in
670 int pf_q = vsi->rxq_map[rxq_idx]; in ice_vsi_ctrl_one_rx_ring()
671 struct ice_pf *pf = vsi->back; in ice_vsi_ctrl_one_rx_ring()
672 struct ice_hw *hw = &pf->hw; in ice_vsi_ctrl_one_rx_ring()
677 /* Skip if the queue is already in the requested state */ in ice_vsi_ctrl_one_rx_ring()
681 /* turn on/off the queue */ in ice_vsi_ctrl_one_rx_ring()
696 * ice_vsi_wait_one_rx_ring - wait for a VSI's Rx ring to be stopped/started
698 * @ena: true/false to verify Rx ring has been enabled/disabled respectively
699 * @rxq_idx: 0-based Rx queue index for the VSI passed in
701 * This routine will wait for the given Rx queue of the VSI to reach the
702 * enabled or disabled state. Returns -ETIMEDOUT in case of failing to reach
708 int pf_q = vsi->rxq_map[rxq_idx]; in ice_vsi_wait_one_rx_ring()
709 struct ice_pf *pf = vsi->back; in ice_vsi_wait_one_rx_ring()
715 * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors
718 * We allocate one q_vector per queue interrupt. If allocation fails we
719 * return -ENOMEM.
723 struct device *dev = ice_pf_to_dev(vsi->back); in ice_vsi_alloc_q_vectors()
727 if (vsi->q_vectors[0]) { in ice_vsi_alloc_q_vectors()
728 dev_dbg(dev, "VSI %d has existing q_vectors\n", vsi->vsi_num); in ice_vsi_alloc_q_vectors()
729 return -EEXIST; in ice_vsi_alloc_q_vectors()
732 for (v_idx = 0; v_idx < vsi->num_q_vectors; v_idx++) { in ice_vsi_alloc_q_vectors()
741 while (v_idx--) in ice_vsi_alloc_q_vectors()
745 vsi->num_q_vectors, vsi->vsi_num, err); in ice_vsi_alloc_q_vectors()
746 vsi->num_q_vectors = 0; in ice_vsi_alloc_q_vectors()
751 * ice_vsi_map_rings_to_vectors - Map VSI rings to interrupt vectors
754 * This function maps descriptor rings to the queue-specific vectors allotted
755 * through the MSI-X enabling code. On a constrained vector budget, we map Tx
756 * and Rx rings to the vector as "efficiently" as possible.
760 int q_vectors = vsi->num_q_vectors; in ice_vsi_map_rings_to_vectors()
764 /* initially assigning remaining rings count to VSIs num queue value */ in ice_vsi_map_rings_to_vectors()
765 tx_rings_rem = vsi->num_txq; in ice_vsi_map_rings_to_vectors()
766 rx_rings_rem = vsi->num_rxq; in ice_vsi_map_rings_to_vectors()
769 struct ice_q_vector *q_vector = vsi->q_vectors[v_id]; in ice_vsi_map_rings_to_vectors()
775 q_vectors - v_id); in ice_vsi_map_rings_to_vectors()
776 q_vector->num_ring_tx = tx_rings_per_v; in ice_vsi_map_rings_to_vectors()
777 q_vector->tx.tx_ring = NULL; in ice_vsi_map_rings_to_vectors()
778 q_vector->tx.itr_idx = ICE_TX_ITR; in ice_vsi_map_rings_to_vectors()
779 q_base = vsi->num_txq - tx_rings_rem; in ice_vsi_map_rings_to_vectors()
782 struct ice_tx_ring *tx_ring = vsi->tx_rings[q_id]; in ice_vsi_map_rings_to_vectors()
784 tx_ring->q_vector = q_vector; in ice_vsi_map_rings_to_vectors()
785 tx_ring->next = q_vector->tx.tx_ring; in ice_vsi_map_rings_to_vectors()
786 q_vector->tx.tx_ring = tx_ring; in ice_vsi_map_rings_to_vectors()
788 tx_rings_rem -= tx_rings_per_v; in ice_vsi_map_rings_to_vectors()
790 /* Rx rings mapping to vector */ in ice_vsi_map_rings_to_vectors()
792 q_vectors - v_id); in ice_vsi_map_rings_to_vectors()
793 q_vector->num_ring_rx = rx_rings_per_v; in ice_vsi_map_rings_to_vectors()
794 q_vector->rx.rx_ring = NULL; in ice_vsi_map_rings_to_vectors()
795 q_vector->rx.itr_idx = ICE_RX_ITR; in ice_vsi_map_rings_to_vectors()
796 q_base = vsi->num_rxq - rx_rings_rem; in ice_vsi_map_rings_to_vectors()
799 struct ice_rx_ring *rx_ring = vsi->rx_rings[q_id]; in ice_vsi_map_rings_to_vectors()
801 rx_ring->q_vector = q_vector; in ice_vsi_map_rings_to_vectors()
802 rx_ring->next = q_vector->rx.rx_ring; in ice_vsi_map_rings_to_vectors()
803 q_vector->rx.rx_ring = rx_ring; in ice_vsi_map_rings_to_vectors()
805 rx_rings_rem -= rx_rings_per_v; in ice_vsi_map_rings_to_vectors()
810 * ice_vsi_free_q_vectors - Free memory allocated for interrupt vectors
820 vsi->num_q_vectors = 0; in ice_vsi_free_q_vectors()
824 * ice_vsi_cfg_txq - Configure single Tx queue
825 * @vsi: the VSI that queue belongs to
827 * @qg_buf: queue group buffer
836 struct ice_channel *ch = ring->ch; in ice_vsi_cfg_txq()
837 struct ice_pf *pf = vsi->back; in ice_vsi_cfg_txq()
838 struct ice_hw *hw = &pf->hw; in ice_vsi_cfg_txq()
846 pf_q = ring->reg_idx; in ice_vsi_cfg_txq()
849 qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); in ice_vsi_cfg_txq()
850 ice_set_ctx(hw, (u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, in ice_vsi_cfg_txq()
853 /* init queue specific tail reg. It is referred as in ice_vsi_cfg_txq()
854 * transmit comm scheduler queue doorbell. in ice_vsi_cfg_txq()
856 ring->tail = hw->hw_addr + QTX_COMM_DBELL(pf_q); in ice_vsi_cfg_txq()
859 tc = ring->dcb_tc; in ice_vsi_cfg_txq()
863 /* Add unique software queue handle of the Tx queue per in ice_vsi_cfg_txq()
866 if (vsi->type == ICE_VSI_SWITCHDEV_CTRL) { in ice_vsi_cfg_txq()
867 ring->q_handle = ice_eswitch_calc_txq_handle(ring); in ice_vsi_cfg_txq()
869 if (ring->q_handle == ICE_INVAL_Q_INDEX) in ice_vsi_cfg_txq()
870 return -ENODEV; in ice_vsi_cfg_txq()
872 ring->q_handle = ice_calc_txq_handle(vsi, ring, tc); in ice_vsi_cfg_txq()
876 status = ice_ena_vsi_txq(vsi->port_info, ch->ch_vsi->idx, 0, in ice_vsi_cfg_txq()
877 ring->q_handle, 1, qg_buf, buf_len, in ice_vsi_cfg_txq()
880 status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, in ice_vsi_cfg_txq()
881 ring->q_handle, 1, qg_buf, buf_len, in ice_vsi_cfg_txq()
884 dev_err(ice_pf_to_dev(pf), "Failed to set LAN Tx queue context, error: %d\n", in ice_vsi_cfg_txq()
889 /* Add Tx Queue TEID into the VSI Tx ring from the in ice_vsi_cfg_txq()
891 * enabling the queue. in ice_vsi_cfg_txq()
893 txq = &qg_buf->txqs[0]; in ice_vsi_cfg_txq()
894 if (pf_q == le16_to_cpu(txq->txq_id)) in ice_vsi_cfg_txq()
895 ring->txq_teid = le32_to_cpu(txq->q_teid); in ice_vsi_cfg_txq()
901 * ice_cfg_itr - configure the initial interrupt throttle values
912 if (q_vector->num_ring_rx) in ice_cfg_itr()
913 ice_write_itr(&q_vector->rx, q_vector->rx.itr_setting); in ice_cfg_itr()
915 if (q_vector->num_ring_tx) in ice_cfg_itr()
916 ice_write_itr(&q_vector->tx, q_vector->tx.itr_setting); in ice_cfg_itr()
918 ice_write_intrl(q_vector, q_vector->intrl); in ice_cfg_itr()
922 * ice_cfg_txq_interrupt - configure interrupt on Tx queue
924 * @txq: Tx queue being mapped to MSI-X vector
925 * @msix_idx: MSI-X vector index within the function
928 * Configure interrupt on Tx queue by associating Tx queue to MSI-X vector
934 struct ice_pf *pf = vsi->back; in ice_cfg_txq_interrupt()
935 struct ice_hw *hw = &pf->hw; in ice_cfg_txq_interrupt()
943 wr32(hw, QINT_TQCTL(vsi->txq_map[txq]), val); in ice_cfg_txq_interrupt()
945 u32 xdp_txq = txq + vsi->num_xdp_txq; in ice_cfg_txq_interrupt()
947 wr32(hw, QINT_TQCTL(vsi->txq_map[xdp_txq]), in ice_cfg_txq_interrupt()
954 * ice_cfg_rxq_interrupt - configure interrupt on Rx queue
956 * @rxq: Rx queue being mapped to MSI-X vector
957 * @msix_idx: MSI-X vector index within the function
960 * Configure interrupt on Rx queue by associating Rx queue to MSI-X vector
966 struct ice_pf *pf = vsi->back; in ice_cfg_rxq_interrupt()
967 struct ice_hw *hw = &pf->hw; in ice_cfg_rxq_interrupt()
975 wr32(hw, QINT_RQCTL(vsi->rxq_map[rxq]), val); in ice_cfg_rxq_interrupt()
981 * ice_trigger_sw_intr - trigger a software interrupt
987 wr32(hw, GLINT_DYN_CTL(q_vector->reg_idx), in ice_trigger_sw_intr()
994 * ice_vsi_stop_tx_ring - Disable single Tx ring
1006 struct ice_pf *pf = vsi->back; in ice_vsi_stop_tx_ring()
1008 struct ice_hw *hw = &pf->hw; in ice_vsi_stop_tx_ring()
1013 val = rd32(hw, QINT_TQCTL(ring->reg_idx)); in ice_vsi_stop_tx_ring()
1015 wr32(hw, QINT_TQCTL(ring->reg_idx), val); in ice_vsi_stop_tx_ring()
1021 * associated to the queue to schedule NAPI handler in ice_vsi_stop_tx_ring()
1023 q_vector = ring->q_vector; in ice_vsi_stop_tx_ring()
1024 if (q_vector && !(vsi->vf && ice_is_vf_disabled(vsi->vf))) in ice_vsi_stop_tx_ring()
1027 status = ice_dis_vsi_txq(vsi->port_info, txq_meta->vsi_idx, in ice_vsi_stop_tx_ring()
1028 txq_meta->tc, 1, &txq_meta->q_handle, in ice_vsi_stop_tx_ring()
1029 &txq_meta->q_id, &txq_meta->q_teid, rst_src, in ice_vsi_stop_tx_ring()
1032 /* if the disable queue command was exercised during an in ice_vsi_stop_tx_ring()
1033 * active reset flow, -EBUSY is returned. in ice_vsi_stop_tx_ring()
1037 if (status == -EBUSY) { in ice_vsi_stop_tx_ring()
1038 dev_dbg(ice_pf_to_dev(vsi->back), "Reset in progress. LAN Tx queues already disabled\n"); in ice_vsi_stop_tx_ring()
1039 } else if (status == -ENOENT) { in ice_vsi_stop_tx_ring()
1040 dev_dbg(ice_pf_to_dev(vsi->back), "LAN Tx queues do not exist, nothing to disable\n"); in ice_vsi_stop_tx_ring()
1042 dev_dbg(ice_pf_to_dev(vsi->back), "Failed to disable LAN Tx queues, error: %d\n", in ice_vsi_stop_tx_ring()
1051 * ice_fill_txq_meta - Prepare the Tx queue's meta data
1054 * @txq_meta: a helper struct that wraps Tx queue's information
1057 * are needed for stopping Tx queue
1063 struct ice_channel *ch = ring->ch; in ice_fill_txq_meta()
1067 tc = ring->dcb_tc; in ice_fill_txq_meta()
1071 txq_meta->q_id = ring->reg_idx; in ice_fill_txq_meta()
1072 txq_meta->q_teid = ring->txq_teid; in ice_fill_txq_meta()
1073 txq_meta->q_handle = ring->q_handle; in ice_fill_txq_meta()
1075 txq_meta->vsi_idx = ch->ch_vsi->idx; in ice_fill_txq_meta()
1076 txq_meta->tc = 0; in ice_fill_txq_meta()
1078 txq_meta->vsi_idx = vsi->idx; in ice_fill_txq_meta()
1079 txq_meta->tc = tc; in ice_fill_txq_meta()