diff --git a/drivers/net/axgbe/axgbe_ethdev.c b/drivers/net/axgbe/axgbe_ethdev.c index 619250fb00..fef8d121e2 100644 --- a/drivers/net/axgbe/axgbe_ethdev.c +++ b/drivers/net/axgbe/axgbe_ethdev.c @@ -83,6 +83,7 @@ static void axgbe_rxq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, static void axgbe_txq_info_get(struct rte_eth_dev *dev, uint16_t queue_id, struct rte_eth_txq_info *qinfo); const uint32_t *axgbe_dev_supported_ptypes_get(struct rte_eth_dev *dev); +static int axgb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); struct axgbe_xstats { char name[RTE_ETH_XSTATS_NAME_SIZE]; @@ -228,6 +229,7 @@ static const struct eth_dev_ops axgbe_eth_dev_ops = { .dev_supported_ptypes_get = axgbe_dev_supported_ptypes_get, .rx_descriptor_status = axgbe_dev_rx_descriptor_status, .tx_descriptor_status = axgbe_dev_tx_descriptor_status, + .mtu_set = axgb_mtu_set, }; static int axgbe_phy_reset(struct axgbe_port *pdata) @@ -1398,7 +1400,35 @@ axgbe_dev_supported_ptypes_get(struct rte_eth_dev *dev) return ptypes; return NULL; } - +static int axgb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) +{ + struct rte_eth_dev_info dev_info; + struct axgbe_port *pdata = dev->data->dev_private; + uint32_t frame_size = mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN; + unsigned int val = 0; + axgbe_dev_info_get(dev, &dev_info); + /* check that mtu is within the allowed range */ + if (mtu < RTE_ETHER_MIN_MTU || frame_size > dev_info.max_rx_pktlen) + return -EINVAL; + /* mtu setting is forbidden if port is start */ + if (dev->data->dev_started) { + PMD_DRV_LOG(ERR, "port %d must be stopped before configuration", + dev->data->port_id); + return -EBUSY; + } + if (frame_size > RTE_ETHER_MAX_LEN) { + dev->data->dev_conf.rxmode.offloads |= + DEV_RX_OFFLOAD_JUMBO_FRAME; + val = 1; + } else { + dev->data->dev_conf.rxmode.offloads &= + ~DEV_RX_OFFLOAD_JUMBO_FRAME; + val = 0; + } + AXGMAC_IOWRITE_BITS(pdata, MAC_RCR, JE, val); + dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size; + return 0; +} static void axgbe_get_all_hw_features(struct axgbe_port *pdata) { unsigned int mac_hfr0, mac_hfr1, mac_hfr2;