diff options
Diffstat (limited to 'drivers/net/bnxt/bnxt_ring.c')
| -rw-r--r-- | drivers/net/bnxt/bnxt_ring.c | 237 |
1 files changed, 172 insertions, 65 deletions
diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c index 8fb89721..fcbd6bc6 100644 --- a/drivers/net/bnxt/bnxt_ring.c +++ b/drivers/net/bnxt/bnxt_ring.c @@ -1,34 +1,6 @@ -/*- - * BSD LICENSE - * - * Copyright(c) Broadcom Limited. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Broadcom Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2014-2018 Broadcom + * All rights reserved. */ #include <rte_bitmap.h> @@ -52,11 +24,14 @@ void bnxt_free_ring(struct bnxt_ring *ring) { + if (!ring) + return; + if (ring->vmem_size && *ring->vmem) { memset((char *)*ring->vmem, 0, ring->vmem_size); *ring->vmem = NULL; } - rte_memzone_free((const struct rte_memzone *)ring->mem_zone); + ring->mem_zone = NULL; } /* @@ -89,22 +64,26 @@ int bnxt_init_ring_grps(struct bnxt *bp) * rx bd ring - Only non-zero length if rx_ring_info is not NULL */ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, - struct bnxt_tx_ring_info *tx_ring_info, - struct bnxt_rx_ring_info *rx_ring_info, + struct bnxt_tx_queue *txq, + struct bnxt_rx_queue *rxq, struct bnxt_cp_ring_info *cp_ring_info, const char *suffix) { struct bnxt_ring *cp_ring = cp_ring_info->cp_ring_struct; + struct bnxt_rx_ring_info *rx_ring_info = rxq ? rxq->rx_ring : NULL; + struct bnxt_tx_ring_info *tx_ring_info = txq ? txq->tx_ring : NULL; struct bnxt_ring *tx_ring; struct bnxt_ring *rx_ring; struct rte_pci_device *pdev = bp->pdev; + uint64_t rx_offloads = bp->eth_dev->data->dev_conf.rxmode.offloads; const struct rte_memzone *mz = NULL; char mz_name[RTE_MEMZONE_NAMESIZE]; rte_iova_t mz_phys_addr; int sz; int stats_len = (tx_ring_info || rx_ring_info) ? - RTE_CACHE_LINE_ROUNDUP(sizeof(struct ctx_hw_stats64)) : 0; + RTE_CACHE_LINE_ROUNDUP(sizeof(struct hwrm_stat_ctx_query_output) - + sizeof (struct hwrm_resp_hdr)) : 0; int cp_vmem_start = stats_len; int cp_vmem_len = RTE_CACHE_LINE_ROUNDUP(cp_ring->vmem_size); @@ -155,7 +134,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, sizeof(struct bnxt_tpa_info)) : 0; int total_alloc_len = tpa_info_start; - if (bp->eth_dev->data->dev_conf.rxmode.enable_lro) + if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) total_alloc_len += tpa_info_len; snprintf(mz_name, RTE_MEMZONE_NAMESIZE, @@ -166,10 +145,11 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, mz = rte_memzone_lookup(mz_name); if (!mz) { mz = rte_memzone_reserve_aligned(mz_name, total_alloc_len, - SOCKET_ID_ANY, - RTE_MEMZONE_2MB | - RTE_MEMZONE_SIZE_HINT_ONLY, - getpagesize()); + SOCKET_ID_ANY, + RTE_MEMZONE_2MB | + RTE_MEMZONE_SIZE_HINT_ONLY | + RTE_MEMZONE_IOVA_CONTIG, + getpagesize()); if (mz == NULL) return -ENOMEM; } @@ -191,6 +171,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, } if (tx_ring_info) { + txq->mz = mz; tx_ring = tx_ring_info->tx_ring_struct; tx_ring->bd = ((char *)mz->addr + tx_ring_start); @@ -210,6 +191,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, } if (rx_ring_info) { + rxq->mz = mz; rx_ring = rx_ring_info->rx_ring_struct; rx_ring->bd = ((char *)mz->addr + rx_ring_start); @@ -252,7 +234,7 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, ag_bitmap_start, ag_bitmap_len); /* TPA info */ - if (bp->eth_dev->data->dev_conf.rxmode.enable_lro) + if (rx_offloads & DEV_RX_OFFLOAD_TCP_LRO) rx_ring_info->tpa_info = ((struct bnxt_tpa_info *)((char *)mz->addr + tpa_info_start)); @@ -276,6 +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 @@ -283,43 +375,61 @@ int bnxt_alloc_rings(struct bnxt *bp, uint16_t qidx, */ int bnxt_alloc_hwrm_rings(struct bnxt *bp) { - struct rte_pci_device *pci_dev = bp->pdev; + 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; 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 idx = i + 1; - unsigned int map_idx = idx + bp->rx_cp_nr_rings; + unsigned int map_idx = i + bp->rx_cp_nr_rings; bp->grp_info[i].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, - idx, HWRM_NA_SIGNATURE, - HWRM_NA_SIGNATURE); + rc = bnxt_hwrm_ring_alloc + (bp, + cp_ring, + HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, + i, + HWRM_NA_SIGNATURE, + HWRM_NA_SIGNATURE); if (rc) goto err_out; - cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr + - idx * 0x80; + 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) { + /* + * In order to save completion resource, use the first + * completion ring from PF or VF as the default + * completion ring for async event & 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, - idx, cpr->hw_stats_ctx_id, - cp_ring->fw_ring_id); + rc = bnxt_hwrm_ring_alloc(bp, + ring, + HWRM_RING_ALLOC_INPUT_RING_TYPE_RX, + i, + 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 + - idx * 0x80; + rxr->rx_doorbell = (char *)bp->doorbell_base + i * 0x80; bp->grp_info[i].rx_fw_ring_id = ring->fw_ring_id; B_RX_DB(rxr->rx_doorbell, rxr->rx_prod); @@ -338,9 +448,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) 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 * 0x80; + rxr->ag_doorbell = (char *)bp->doorbell_base + map_idx * 0x80; bp->grp_info[i].ag_fw_ring_id = ring->fw_ring_id; B_RX_DB(rxr->ag_doorbell, rxr->ag_prod); @@ -353,7 +461,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) } B_RX_DB(rxr->rx_doorbell, rxr->rx_prod); B_RX_DB(rxr->ag_doorbell, rxr->ag_prod); - rxq->index = idx; + rxq->index = i; } for (i = 0; i < bp->tx_cp_nr_rings; i++) { @@ -362,7 +470,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) struct bnxt_ring *cp_ring = cpr->cp_ring_struct; struct bnxt_tx_ring_info *txr = txq->tx_ring; struct bnxt_ring *ring = txr->tx_ring_struct; - unsigned int idx = i + 1 + bp->rx_cp_nr_rings; + unsigned int idx = i + bp->rx_cp_nr_rings; /* Tx cmpl */ rc = bnxt_hwrm_ring_alloc(bp, cp_ring, @@ -372,8 +480,7 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) if (rc) goto err_out; - cpr->cp_doorbell = (char *)pci_dev->mem_resource[2].addr + - idx * 0x80; + cpr->cp_doorbell = (char *)bp->doorbell_base + idx * 0x80; B_CP_DIS_DB(cpr, cpr->cp_raw_cons); /* Tx ring */ @@ -384,9 +491,9 @@ int bnxt_alloc_hwrm_rings(struct bnxt *bp) if (rc) goto err_out; - txr->tx_doorbell = (char *)pci_dev->mem_resource[2].addr + - idx * 0x80; + 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: |