diff options
Diffstat (limited to 'drivers/net/ethernet/intel/ice/ice_lib.c')
-rw-r--r-- | drivers/net/ethernet/intel/ice/ice_lib.c | 152 |
1 files changed, 87 insertions, 65 deletions
diff --git a/drivers/net/ethernet/intel/ice/ice_lib.c b/drivers/net/ethernet/intel/ice/ice_lib.c index 1041fa2a7767..29b1dcfd4331 100644 --- a/drivers/net/ethernet/intel/ice/ice_lib.c +++ b/drivers/net/ethernet/intel/ice/ice_lib.c @@ -20,7 +20,7 @@ static int ice_setup_rx_ctx(struct ice_ring *ring) u16 pf_q; int err; - /* what is RX queue number in global space of 2K Rx queues */ + /* what is Rx queue number in global space of 2K Rx queues */ pf_q = vsi->rxq_map[ring->q_index]; /* clear the context structure first */ @@ -174,15 +174,15 @@ static int ice_pf_rxq_wait(struct ice_pf *pf, int pf_q, bool ena) { int i; - for (i = 0; i < ICE_Q_WAIT_RETRY_LIMIT; i++) { + for (i = 0; i < ICE_Q_WAIT_MAX_RETRY; i++) { u32 rx_reg = rd32(&pf->hw, QRX_CTRL(pf_q)); if (ena == !!(rx_reg & QRX_CTRL_QENA_STAT_M)) break; - usleep_range(10, 20); + usleep_range(20, 40); } - if (i >= ICE_Q_WAIT_RETRY_LIMIT) + if (i >= ICE_Q_WAIT_MAX_RETRY) return -ETIMEDOUT; return 0; @@ -774,11 +774,13 @@ static void ice_set_dflt_vsi_ctx(struct ice_vsi_ctx *ctxt) */ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) { - u16 offset = 0, qmap = 0, numq_tc; - u16 pow = 0, max_rss = 0, qcount; + u16 offset = 0, qmap = 0, tx_count = 0; u16 qcount_tx = vsi->alloc_txq; u16 qcount_rx = vsi->alloc_rxq; + u16 tx_numq_tc, rx_numq_tc; + u16 pow = 0, max_rss = 0; bool ena_tc0 = false; + u8 netdev_tc = 0; int i; /* at least TC0 should be enabled by default */ @@ -794,7 +796,12 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) vsi->tc_cfg.ena_tc |= 1; } - numq_tc = qcount_rx / vsi->tc_cfg.numtc; + rx_numq_tc = qcount_rx / vsi->tc_cfg.numtc; + if (!rx_numq_tc) + rx_numq_tc = 1; + tx_numq_tc = qcount_tx / vsi->tc_cfg.numtc; + if (!tx_numq_tc) + tx_numq_tc = 1; /* TC mapping is a function of the number of Rx queues assigned to the * VSI for each traffic class and the offset of these queues. @@ -808,7 +815,8 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) * Setup number and offset of Rx queues for all TCs for the VSI */ - qcount = numq_tc; + qcount_rx = rx_numq_tc; + /* qcount will change if RSS is enabled */ if (test_bit(ICE_FLAG_RSS_ENA, vsi->back->flags)) { if (vsi->type == ICE_VSI_PF || vsi->type == ICE_VSI_VF) { @@ -816,37 +824,41 @@ static void ice_vsi_setup_q_map(struct ice_vsi *vsi, struct ice_vsi_ctx *ctxt) max_rss = ICE_MAX_LG_RSS_QS; else max_rss = ICE_MAX_SMALL_RSS_QS; - qcount = min_t(int, numq_tc, max_rss); - qcount = min_t(int, qcount, vsi->rss_size); + qcount_rx = min_t(int, rx_numq_tc, max_rss); + qcount_rx = min_t(int, qcount_rx, vsi->rss_size); } } /* find the (rounded up) power-of-2 of qcount */ - pow = order_base_2(qcount); + pow = order_base_2(qcount_rx); for (i = 0; i < ICE_MAX_TRAFFIC_CLASS; i++) { if (!(vsi->tc_cfg.ena_tc & BIT(i))) { /* TC is not enabled */ vsi->tc_cfg.tc_info[i].qoffset = 0; - vsi->tc_cfg.tc_info[i].qcount = 1; + vsi->tc_cfg.tc_info[i].qcount_rx = 1; + vsi->tc_cfg.tc_info[i].qcount_tx = 1; + vsi->tc_cfg.tc_info[i].netdev_tc = 0; ctxt->info.tc_mapping[i] = 0; continue; } /* TC is enabled */ vsi->tc_cfg.tc_info[i].qoffset = offset; - vsi->tc_cfg.tc_info[i].qcount = qcount; + vsi->tc_cfg.tc_info[i].qcount_rx = qcount_rx; + vsi->tc_cfg.tc_info[i].qcount_tx = tx_numq_tc; + vsi->tc_cfg.tc_info[i].netdev_tc = netdev_tc++; qmap = ((offset << ICE_AQ_VSI_TC_Q_OFFSET_S) & ICE_AQ_VSI_TC_Q_OFFSET_M) | ((pow << ICE_AQ_VSI_TC_Q_NUM_S) & ICE_AQ_VSI_TC_Q_NUM_M); - offset += qcount; + offset += qcount_rx; + tx_count += tx_numq_tc; ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); } - - vsi->num_txq = qcount_tx; vsi->num_rxq = offset; + vsi->num_txq = tx_count; if (vsi->type == ICE_VSI_VF && vsi->num_txq != vsi->num_rxq) { dev_dbg(&vsi->back->pdev->dev, "VF VSI should have same number of Tx and Rx queues. Hence making them equal\n"); @@ -1000,7 +1012,7 @@ void ice_vsi_free_q_vectors(struct ice_vsi *vsi) * @vsi: the VSI being configured * @v_idx: index of the vector in the VSI struct * - * We allocate one q_vector. If allocation fails we return -ENOMEM. + * We allocate one q_vector. If allocation fails we return -ENOMEM. */ static int ice_vsi_alloc_q_vector(struct ice_vsi *vsi, int v_idx) { @@ -1039,7 +1051,7 @@ out: * ice_vsi_alloc_q_vectors - Allocate memory for interrupt vectors * @vsi: the VSI being configured * - * We allocate one q_vector per queue interrupt. If allocation fails we + * We allocate one q_vector per queue interrupt. If allocation fails we * return -ENOMEM. */ static int ice_vsi_alloc_q_vectors(struct ice_vsi *vsi) @@ -1188,7 +1200,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi) struct ice_pf *pf = vsi->back; int i; - /* Allocate tx_rings */ + /* Allocate Tx rings */ for (i = 0; i < vsi->alloc_txq; i++) { struct ice_ring *ring; @@ -1207,7 +1219,7 @@ static int ice_vsi_alloc_rings(struct ice_vsi *vsi) vsi->tx_rings[i] = ring; } - /* Allocate rx_rings */ + /* Allocate Rx rings */ for (i = 0; i < vsi->alloc_rxq; i++) { struct ice_ring *ring; @@ -1611,55 +1623,62 @@ int ice_vsi_cfg_txqs(struct ice_vsi *vsi) struct ice_aqc_add_tx_qgrp *qg_buf; struct ice_aqc_add_txqs_perq *txq; struct ice_pf *pf = vsi->back; + u8 num_q_grps, q_idx = 0; enum ice_status status; u16 buf_len, i, pf_q; int err = 0, tc = 0; - u8 num_q_grps; buf_len = sizeof(struct ice_aqc_add_tx_qgrp); qg_buf = devm_kzalloc(&pf->pdev->dev, buf_len, GFP_KERNEL); if (!qg_buf) return -ENOMEM; - if (vsi->num_txq > ICE_MAX_TXQ_PER_TXQG) { - err = -EINVAL; - goto err_cfg_txqs; - } qg_buf->num_txqs = 1; num_q_grps = 1; - /* set up and configure the Tx queues */ - ice_for_each_txq(vsi, i) { - struct ice_tlan_ctx tlan_ctx = { 0 }; + /* set up and configure the Tx queues for each enabled TC */ + for (tc = 0; tc < ICE_MAX_TRAFFIC_CLASS; tc++) { + if (!(vsi->tc_cfg.ena_tc & BIT(tc))) + break; - pf_q = vsi->txq_map[i]; - ice_setup_tx_ctx(vsi->tx_rings[i], &tlan_ctx, pf_q); - /* copy context contents into the qg_buf */ - qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); - ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, - ice_tlan_ctx_info); + for (i = 0; i < vsi->tc_cfg.tc_info[tc].qcount_tx; i++) { + struct ice_tlan_ctx tlan_ctx = { 0 }; + + pf_q = vsi->txq_map[q_idx]; + ice_setup_tx_ctx(vsi->tx_rings[q_idx], &tlan_ctx, + pf_q); + /* copy context contents into the qg_buf */ + qg_buf->txqs[0].txq_id = cpu_to_le16(pf_q); + ice_set_ctx((u8 *)&tlan_ctx, qg_buf->txqs[0].txq_ctx, + ice_tlan_ctx_info); + + /* init queue specific tail reg. It is referred as + * transmit comm scheduler queue doorbell. + */ + vsi->tx_rings[q_idx]->tail = + pf->hw.hw_addr + QTX_COMM_DBELL(pf_q); + status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, + num_q_grps, qg_buf, buf_len, + NULL); + if (status) { + dev_err(&vsi->back->pdev->dev, + "Failed to set LAN Tx queue context, error: %d\n", + status); + err = -ENODEV; + goto err_cfg_txqs; + } - /* init queue specific tail reg. It is referred as transmit - * comm scheduler queue doorbell. - */ - vsi->tx_rings[i]->tail = pf->hw.hw_addr + QTX_COMM_DBELL(pf_q); - status = ice_ena_vsi_txq(vsi->port_info, vsi->idx, tc, - num_q_grps, qg_buf, buf_len, NULL); - if (status) { - dev_err(&vsi->back->pdev->dev, - "Failed to set LAN Tx queue context, error: %d\n", - status); - err = -ENODEV; - goto err_cfg_txqs; - } + /* Add Tx Queue TEID into the VSI Tx ring from the + * response. This will complete configuring and + * enabling the queue. + */ + txq = &qg_buf->txqs[0]; + if (pf_q == le16_to_cpu(txq->txq_id)) + vsi->tx_rings[q_idx]->txq_teid = + le32_to_cpu(txq->q_teid); - /* Add Tx Queue TEID into the VSI Tx ring from the response - * This will complete configuring and enabling the queue. - */ - txq = &qg_buf->txqs[0]; - if (pf_q == le16_to_cpu(txq->txq_id)) - vsi->tx_rings[i]->txq_teid = - le32_to_cpu(txq->q_teid); + q_idx++; + } } err_cfg_txqs: devm_kfree(&pf->pdev->dev, qg_buf); @@ -1908,7 +1927,8 @@ int ice_vsi_stop_tx_rings(struct ice_vsi *vsi, enum ice_disq_rst_src rst_src, ice_for_each_txq(vsi, i) { u16 v_idx; - if (!vsi->tx_rings || !vsi->tx_rings[i]) { + if (!vsi->tx_rings || !vsi->tx_rings[i] || + !vsi->tx_rings[i]->q_vector) { err = -EINVAL; goto err_out; } @@ -2056,6 +2076,9 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, /* set RSS capabilities */ ice_vsi_set_rss_params(vsi); + /* set tc configuration */ + ice_vsi_set_tc_cfg(vsi); + /* create the VSI */ ret = ice_vsi_init(vsi); if (ret) @@ -2113,17 +2136,13 @@ ice_vsi_setup(struct ice_pf *pf, struct ice_port_info *pi, pf->q_left_rx -= vsi->alloc_rxq; break; default: - /* if VSI type is not recognized, clean up the resources and - * exit - */ + /* clean up the resources and exit */ goto unroll_vsi_init; } - ice_vsi_set_tc_cfg(vsi); - /* configure VSI nodes based on number of queues and TC's */ for (i = 0; i < vsi->tc_cfg.numtc; i++) - max_txqs[i] = vsi->num_txq; + max_txqs[i] = pf->num_lan_tx; ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, max_txqs); @@ -2314,7 +2333,7 @@ static int ice_search_res(struct ice_res_tracker *res, u16 needed, u16 id) int start = res->search_hint; int end = start; - if ((start + needed) > res->num_entries) + if ((start + needed) > res->num_entries) return -ENOMEM; id |= ICE_RES_VALID_BIT; @@ -2491,6 +2510,7 @@ int ice_vsi_release(struct ice_vsi *vsi) } ice_remove_vsi_fltr(&pf->hw, vsi->idx); + ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); ice_vsi_delete(vsi); ice_vsi_free_q_vectors(vsi); ice_vsi_clear_rings(vsi); @@ -2518,11 +2538,14 @@ int ice_vsi_release(struct ice_vsi *vsi) int ice_vsi_rebuild(struct ice_vsi *vsi) { u16 max_txqs[ICE_MAX_TRAFFIC_CLASS] = { 0 }; + struct ice_pf *pf; int ret, i; if (!vsi) return -EINVAL; + pf = vsi->back; + ice_rm_vsi_lan_cfg(vsi->port_info, vsi->idx); ice_vsi_free_q_vectors(vsi); ice_free_res(vsi->back->sw_irq_tracker, vsi->sw_base_vector, vsi->idx); ice_free_res(vsi->back->hw_irq_tracker, vsi->hw_base_vector, vsi->idx); @@ -2532,6 +2555,7 @@ int ice_vsi_rebuild(struct ice_vsi *vsi) ice_vsi_free_arrays(vsi, false); ice_dev_onetime_setup(&vsi->back->hw); ice_vsi_set_num_qs(vsi); + ice_vsi_set_tc_cfg(vsi); /* Initialize VSI struct elements and create VSI in FW */ ret = ice_vsi_init(vsi); @@ -2578,11 +2602,9 @@ int ice_vsi_rebuild(struct ice_vsi *vsi) break; } - ice_vsi_set_tc_cfg(vsi); - /* configure VSI nodes based on number of queues and TC's */ for (i = 0; i < vsi->tc_cfg.numtc; i++) - max_txqs[i] = vsi->num_txq; + max_txqs[i] = pf->num_lan_tx; ret = ice_cfg_vsi_lan(vsi->port_info, vsi->idx, vsi->tc_cfg.ena_tc, max_txqs); |