[dpdk-dev] [PATCH 06/12] net/bnxt: set MTU in dev config for jumbo packets

[Ajit Khaparde]

From: Qingmin Liu <qingmin.liu at broadcom.com>

MTU setting does not take effect after rte_eth_dev_configure
is called with jumbo enable unless it is configured using the
set_mtu dev_op.

Fixes: daef48efe5e5 ("net/bnxt: support set MTU")
Cc: stable at dpdk.org

Signed-off-by: Qingmin Liu <qingmin.liu at broadcom.com>
Signed-off-by: Scott Branden <scott.branden at broadcom.com>
Reviewed-by: Jay Ding <jay.ding at broadcom.com>
Reviewed-by: Randy Schacher <stuart.schacher at broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at broadcom.com>
Signed-off-by: Ajit Khaparde <ajit.khaparde at broadcom.com>
---
 drivers/net/bnxt/bnxt_ethdev.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 58241ccac..e68608f61 100644
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -151,6 +151,7 @@ static const struct rte_pci_id bnxt_pci_id_map[] = {
 
 static int bnxt_vlan_offload_set_op(struct rte_eth_dev *dev, int mask);
 static void bnxt_print_link_info(struct rte_eth_dev *eth_dev);
+static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu);
 
 /***********************/
 
@@ -548,10 +549,12 @@ static int bnxt_dev_configure_op(struct rte_eth_dev *eth_dev)
 	bp->rx_cp_nr_rings = bp->rx_nr_rings;
 	bp->tx_cp_nr_rings = bp->tx_nr_rings;
 
-	if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
+	if (rx_offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) {
 		eth_dev->data->mtu =
 				eth_dev->data->dev_conf.rxmode.max_rx_pkt_len -
 				ETHER_HDR_LEN - ETHER_CRC_LEN - VLAN_TAG_SIZE;
+		bnxt_mtu_set_op(eth_dev, eth_dev->data->mtu);
+	}
 	return 0;
 }
 
-- 
2.15.1 (Apple Git-101)