diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_ring.c')
| -rw-r--r-- | drivers/net/bnxt/bnxt_ring.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c index bb9f6d1c..fcbd6bc6 100644 --- a/drivers/net/bnxt/bnxt_ring.c +++ b/drivers/net/bnxt/bnxt_ring.c @@ -258,6 +258,116 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, return 0; } +static void bnxt_init_dflt_coal(struct bnxt_coal *coal) +{ + /* Tick values in micro seconds. + * 1 coal_buf x bufs_per_record = 1 completion record. + */ + coal->num_cmpl_aggr_int = BNXT_NUM_CMPL_AGGR_INT; + /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */ + coal->num_cmpl_dma_aggr = BNXT_NUM_CMPL_DMA_AGGR; + /* This is a 6-bit value and must not be 0, or we'll get non stop IRQ */ + coal->num_cmpl_dma_aggr_during_int = BNXT_NUM_CMPL_DMA_AGGR_DURING_INT; + coal->int_lat_tmr_max = BNXT_INT_LAT_TMR_MAX; + /* min timer set to 1/2 of interrupt timer */ + coal->int_lat_tmr_min = BNXT_INT_LAT_TMR_MIN; + /* buf timer set to 1/4 of interrupt timer */ + coal->cmpl_aggr_dma_tmr = BNXT_CMPL_AGGR_DMA_TMR; + coal->cmpl_aggr_dma_tmr_during_int = BNXT_CMPL_AGGR_DMA_TMR_DURING_INT; +} + +int bnxt_alloc_hwrm_rx_ring(struct bnxt *bp, int queue_index) +{ + struct rte_pci_device *pci_dev = bp->pdev; + struct bnxt_rx_queue *rxq = bp->rx_queues[queue_index]; + struct bnxt_cp_ring_info *cpr = rxq->cp_ring; + struct bnxt_ring *cp_ring = cpr->cp_ring_struct; + struct bnxt_rx_ring_info *rxr = rxq->rx_ring; + struct bnxt_ring *ring = rxr->rx_ring_struct; + unsigned int map_idx = queue_index + bp->rx_cp_nr_rings; + int rc = 0; + + bp->grp_info[queue_index].fw_stats_ctx = cpr->hw_stats_ctx_id; + + /* Rx cmpl */ + rc = bnxt_hwrm_ring_alloc(bp, cp_ring, + HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, + queue_index, HWRM_NA_SIGNATURE, + HWRM_NA_SIGNATURE); + if (rc) + goto err_out; + + cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr + + queue_index * BNXT_DB_SIZE; + bp->grp_info[queue_index].cp_fw_ring_id = cp_ring->fw_ring_id; + B_CP_DIS_DB(cpr, cpr->cp_raw_cons); + + if (!queue_index) { + /* + * In order to save completion resources, use the first + * completion ring from PF or VF as the default completion ring + * for async event and HWRM forward response handling. + */ + bp->def_cp_ring = cpr; + rc = bnxt_hwrm_set_async_event_cr(bp); + if (rc) + goto err_out; + } + /* Rx ring */ + rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, + queue_index, cpr->hw_stats_ctx_id, + cp_ring->fw_ring_id); + if (rc) + goto err_out; + + rxr->rx_prod = 0; + rxr->rx_doorbell = (char *)pci_dev->mem_resource[2].addr + + queue_index * BNXT_DB_SIZE; + bp->grp_info[queue_index].rx_fw_ring_id = ring->fw_ring_id; + B_RX_DB(rxr->rx_doorbell, rxr->rx_prod); + + ring = rxr->ag_ring_struct; + /* Agg ring */ + if (!ring) + PMD_DRV_LOG(ERR, "Alloc AGG Ring is NULL!\n"); + + rc = bnxt_hwrm_ring_alloc(bp, ring, HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, + map_idx, HWRM_NA_SIGNATURE, + cp_ring->fw_ring_id); + if (rc) + goto err_out; + + PMD_DRV_LOG(DEBUG, "Alloc AGG Done!\n"); + rxr->ag_prod = 0; + rxr->ag_doorbell = (char *)pci_dev->mem_resource[2].addr + + map_idx * BNXT_DB_SIZE; + bp->grp_info[queue_index].ag_fw_ring_id = ring->fw_ring_id; + B_RX_DB(rxr->ag_doorbell, rxr->ag_prod); + + rxq->rx_buf_use_size = BNXT_MAX_MTU + ETHER_HDR_LEN + + ETHER_CRC_LEN + (2 * VLAN_TAG_SIZE); + + if (bp->eth_dev->data->rx_queue_state[queue_index] == + RTE_ETH_QUEUE_STATE_STARTED) { + if (bnxt_init_one_rx_ring(rxq)) { + RTE_LOG(ERR, PMD, + "bnxt_init_one_rx_ring failed!\n"); + bnxt_rx_queue_release_op(rxq); + rc = -ENOMEM; + goto err_out; + } + B_RX_DB(rxr->rx_doorbell, rxr->rx_prod); + B_RX_DB(rxr->ag_doorbell, rxr->ag_prod); + } + rxq->index = queue_index; + PMD_DRV_LOG(INFO, + "queue %d, rx_deferred_start %d, state %d!\n", + queue_index, rxq->rx_deferred_start, + bp->eth_dev->data->rx_queue_state[queue_index]); + +err_out: + return rc; +} /* ring_grp usage: * [0] = default completion ring * [1 -> +rx_cp_nr_rings] = rx_cp, rx rings @@ -265,9 +375,12 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, */ int bnxt_alloc_hwrm_rings(struct bnxt *bp) { + struct bnxt_coal coal; unsigned int i; int rc = 0; + bnxt_init_dflt_coal(&coal); + for (i = 0; i < bp->rx_cp_nr_rings; i++) { struct bnxt_rx_queue *rxq = bp->rx_queues[i]; struct bnxt_cp_ring_info *cpr = rxq->cp_ring; @@ -291,6 +404,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) cpr->cp_doorbell = (char *)bp->doorbell_base + i * 0x80; bp->grp_info[i].cp_fw_ring_id = cp_ring->fw_ring_id; B_CP_DIS_DB(cpr, cpr->cp_raw_cons); + bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id); if (!i) { /* @@ -379,6 +493,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) txr->tx_doorbell = (char *)bp->doorbell_base + idx * 0x80; txq->index = idx; + bnxt_hwrm_set_ring_coal(bp, &coal, cp_ring->fw_ring_id); } err_out: |