diff options
Diffstat (limited to 'drivers/net/qede/qede_rxtx.c')
| -rw-r--r-- | drivers/net/qede/qede_rxtx.c | 57 |
1 files changed, 29 insertions, 28 deletions
diff --git a/drivers/net/qede/qede_rxtx.c b/drivers/net/qede/qede_rxtx.c index 9cce13df..e586dc7f 100644 --- a/drivers/net/qede/qede_rxtx.c +++ b/drivers/net/qede/qede_rxtx.c @@ -89,11 +89,11 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, { struct qede_dev *qdev = dev->data->dev_private; struct ecore_dev *edev = &qdev->edev; - struct rte_eth_dev_data *eth_data = dev->data; + struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; struct qede_rx_queue *rxq; - uint16_t pkt_len = (uint16_t)dev->data->dev_conf.rxmode.max_rx_pkt_len; + uint16_t max_rx_pkt_len; + uint16_t bufsz; size_t size; - uint16_t data_size; int rc; int i; @@ -127,34 +127,27 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, rxq->nb_rx_desc = nb_desc; rxq->queue_id = queue_idx; rxq->port_id = dev->data->port_id; - - /* Sanity check */ - data_size = (uint16_t)rte_pktmbuf_data_room_size(mp) - - RTE_PKTMBUF_HEADROOM; - - if (pkt_len > data_size && !dev->data->scattered_rx) { - DP_ERR(edev, "MTU %u should not exceed dataroom %u\n", - pkt_len, data_size); - rte_free(rxq); - return -EINVAL; + max_rx_pkt_len = (uint16_t)rxmode->max_rx_pkt_len; + + /* Fix up RX buffer size */ + bufsz = (uint16_t)rte_pktmbuf_data_room_size(mp) - RTE_PKTMBUF_HEADROOM; + if ((rxmode->enable_scatter) || + (max_rx_pkt_len + QEDE_ETH_OVERHEAD) > bufsz) { + if (!dev->data->scattered_rx) { + DP_INFO(edev, "Forcing scatter-gather mode\n"); + dev->data->scattered_rx = 1; + } } - if (dev->data->scattered_rx) - rxq->rx_buf_size = data_size; + rxq->rx_buf_size = bufsz + ETHER_HDR_LEN + + ETHER_CRC_LEN + QEDE_ETH_OVERHEAD; else - rxq->rx_buf_size = pkt_len + QEDE_ETH_OVERHEAD; + rxq->rx_buf_size = max_rx_pkt_len + QEDE_ETH_OVERHEAD; + /* Align to cache-line size if needed */ + rxq->rx_buf_size = QEDE_CEIL_TO_CACHE_LINE_SIZE(rxq->rx_buf_size); - qdev->mtu = pkt_len; - - DP_INFO(edev, "MTU = %u ; RX buffer = %u\n", - qdev->mtu, rxq->rx_buf_size); - - if (pkt_len > ETHER_MAX_LEN) { - dev->data->dev_conf.rxmode.jumbo_frame = 1; - DP_NOTICE(edev, false, "jumbo frame enabled\n"); - } else { - dev->data->dev_conf.rxmode.jumbo_frame = 0; - } + DP_INFO(edev, "mtu %u mbufsz %u bd_max_bytes %u scatter_mode %d\n", + qdev->mtu, bufsz, rxq->rx_buf_size, dev->data->scattered_rx); /* Allocate the parallel driver ring for Rx buffers */ size = sizeof(*rxq->sw_rx_ring) * rxq->nb_rx_desc; @@ -222,7 +215,7 @@ qede_rx_queue_setup(struct rte_eth_dev *dev, uint16_t queue_idx, dev->data->rx_queues[queue_idx] = rxq; DP_INFO(edev, "rxq %d num_desc %u rx_buf_size=%u socket %u\n", - queue_idx, nb_desc, qdev->mtu, socket_id); + queue_idx, nb_desc, rxq->rx_buf_size, socket_id); return 0; err4: @@ -1541,3 +1534,11 @@ void qede_dev_stop(struct rte_eth_dev *eth_dev) DP_INFO(edev, "dev_state is QEDE_DEV_STOP\n"); } + +uint16_t +qede_rxtx_pkts_dummy(__rte_unused void *p_rxq, + __rte_unused struct rte_mbuf **pkts, + __rte_unused uint16_t nb_pkts) +{ + return 0; +} |