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path: root/drivers/net/nfp/nfp_net.c
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Diffstat (limited to 'drivers/net/nfp/nfp_net.c')
-rw-r--r--drivers/net/nfp/nfp_net.c19
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/net/nfp/nfp_net.c b/drivers/net/nfp/nfp_net.c
index 74453204..1f42dac8 100644
--- a/drivers/net/nfp/nfp_net.c
+++ b/drivers/net/nfp/nfp_net.c
@@ -517,12 +517,10 @@ nfp_net_configure(struct rte_eth_dev *dev)
new_ctrl |= NFP_NET_CFG_CTRL_TXVLAN;
if (rxmode->jumbo_frame)
- /* this is handled in rte_eth_dev_configure */
+ hw->mtu = rxmode->max_rx_pkt_len;
- if (rxmode->hw_strip_crc) {
- PMD_INIT_LOG(INFO, "strip CRC not supported\n");
- return -EINVAL;
- }
+ if (!rxmode->hw_strip_crc)
+ PMD_INIT_LOG(INFO, "HW does strip CRC and it is not configurable\n");
if (rxmode->enable_scatter) {
PMD_INIT_LOG(INFO, "Scatter not supported\n");
@@ -1012,7 +1010,7 @@ nfp_net_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
dev_info->max_rx_queues = (uint16_t)hw->max_rx_queues;
dev_info->max_tx_queues = (uint16_t)hw->max_tx_queues;
dev_info->min_rx_bufsize = ETHER_MIN_MTU;
- dev_info->max_rx_pktlen = hw->mtu;
+ dev_info->max_rx_pktlen = hw->max_mtu;
/* Next should change when PF support is implemented */
dev_info->max_mac_addrs = 1;
@@ -1240,6 +1238,13 @@ nfp_net_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
if ((mtu < ETHER_MIN_MTU) || ((uint32_t)mtu > hw->max_mtu))
return -EINVAL;
+ /* mtu setting is forbidden if port is started */
+ if (dev->data->dev_started) {
+ PMD_DRV_LOG(ERR, "port %d must be stopped before configuration",
+ dev->data->port_id);
+ return -EBUSY;
+ }
+
/* switch to jumbo mode if needed */
if ((uint32_t)mtu > ETHER_MAX_LEN)
dev->data->dev_conf.rxmode.jumbo_frame = 1;
@@ -2390,7 +2395,7 @@ nfp_net_init(struct rte_eth_dev *eth_dev)
hw->ver = nn_cfg_readl(hw, NFP_NET_CFG_VERSION);
hw->cap = nn_cfg_readl(hw, NFP_NET_CFG_CAP);
hw->max_mtu = nn_cfg_readl(hw, NFP_NET_CFG_MAX_MTU);
- hw->mtu = hw->max_mtu;
+ hw->mtu = ETHER_MTU;
if (NFD_CFG_MAJOR_VERSION_of(hw->ver) < 2)
hw->rx_offset = NFP_NET_RX_OFFSET;