diff options
Diffstat (limited to 'drivers/net/qede/qede_ethdev.c')
| -rw-r--r-- | drivers/net/qede/qede_ethdev.c | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/net/qede/qede_ethdev.c b/drivers/net/qede/qede_ethdev.c index 4a5e4857..1844eea4 100644 --- a/drivers/net/qede/qede_ethdev.c +++ b/drivers/net/qede/qede_ethdev.c @@ -1383,7 +1383,7 @@ static int qede_dev_configure(struct rte_eth_dev *eth_dev) if (eth_dev->data->dev_conf.rxmode.jumbo_frame) eth_dev->data->mtu = eth_dev->data->dev_conf.rxmode.max_rx_pkt_len - - ETHER_HDR_LEN - ETHER_CRC_LEN; + ETHER_HDR_LEN - QEDE_ETH_OVERHEAD; if (qede_start_vport(qdev, eth_dev->data->mtu)) return -1; @@ -2377,19 +2377,18 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) struct qede_fastpath *fp; uint32_t max_rx_pkt_len; uint32_t frame_size; - uint16_t rx_buf_size; uint16_t bufsz; bool restart = false; - int i; + int i, rc; PMD_INIT_FUNC_TRACE(edev); qede_dev_info_get(dev, &dev_info); - max_rx_pkt_len = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN; - frame_size = max_rx_pkt_len + QEDE_ETH_OVERHEAD; + max_rx_pkt_len = mtu + QEDE_MAX_ETHER_HDR_LEN; + frame_size = max_rx_pkt_len; if ((mtu < ETHER_MIN_MTU) || (frame_size > dev_info.max_rx_pktlen)) { DP_ERR(edev, "MTU %u out of range, %u is maximum allowable\n", mtu, dev_info.max_rx_pktlen - ETHER_HDR_LEN - - ETHER_CRC_LEN - QEDE_ETH_OVERHEAD); + QEDE_ETH_OVERHEAD); return -EINVAL; } if (!dev->data->scattered_rx && @@ -2417,14 +2416,15 @@ static int qede_set_mtu(struct rte_eth_dev *dev, uint16_t mtu) if (fp->rxq != NULL) { bufsz = (uint16_t)rte_pktmbuf_data_room_size( fp->rxq->mb_pool) - RTE_PKTMBUF_HEADROOM; - if (dev->data->scattered_rx) - rx_buf_size = bufsz + ETHER_HDR_LEN + - ETHER_CRC_LEN + QEDE_ETH_OVERHEAD; - else - rx_buf_size = frame_size; - rx_buf_size = QEDE_CEIL_TO_CACHE_LINE_SIZE(rx_buf_size); - fp->rxq->rx_buf_size = rx_buf_size; - DP_INFO(edev, "RX buffer size %u\n", rx_buf_size); + /* cache align the mbuf size to simplfy rx_buf_size + * calculation + */ + bufsz = QEDE_FLOOR_TO_CACHE_LINE_SIZE(bufsz); + rc = qede_calc_rx_buf_size(dev, bufsz, frame_size); + if (rc < 0) + return rc; + + fp->rxq->rx_buf_size = rc; } } if (max_rx_pkt_len > ETHER_MAX_LEN) |