net/bnxt: fix forwarding with higher mbuf size

[dpdk.git] / drivers / net / bnxt / bnxt_ethdev.c

diff --git a/drivers/net/bnxt/bnxt_ethdev.c b/drivers/net/bnxt/bnxt_ethdev.c
index 0083ba6..4095e9c 100644 (file)
--- a/drivers/net/bnxt/bnxt_ethdev.c
+++ b/drivers/net/bnxt/bnxt_ethdev.c
@@ -545,10 +545,13 @@ static int bnxt_dev_info_get_op(struct rte_eth_dev *eth_dev,
        dev_info->hash_key_size = 40;
        max_vnics = bp->max_vnics;
 
+       /* MTU specifics */
+       dev_info->min_mtu = RTE_ETHER_MIN_MTU;
+       dev_info->max_mtu = BNXT_MAX_MTU;
+
        /* Fast path specifics */
        dev_info->min_rx_bufsize = 1;
-       dev_info->max_rx_pktlen = BNXT_MAX_MTU + RTE_ETHER_HDR_LEN +
-               RTE_ETHER_CRC_LEN + VLAN_TAG_SIZE * 2;
+       dev_info->max_rx_pktlen = BNXT_MAX_PKT_LEN;
 
        dev_info->rx_offload_capa = BNXT_DEV_RX_OFFLOAD_SUPPORT;
        if (bp->flags & BNXT_FLAG_PTP_SUPPORTED)
@@ -1967,7 +1970,6 @@ bnxt_txq_info_get_op(struct rte_eth_dev *dev, uint16_t queue_id,
 static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
 {
        struct bnxt *bp = eth_dev->data->dev_private;
-       struct rte_eth_dev_info dev_info;
        uint32_t new_pkt_size;
        uint32_t rc = 0;
        uint32_t i;
@@ -1979,18 +1981,6 @@ static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
        new_pkt_size = new_mtu + RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN +
                       VLAN_TAG_SIZE * BNXT_NUM_VLANS;
 
-       rc = bnxt_dev_info_get_op(eth_dev, &dev_info);
-       if (rc != 0) {
-               PMD_DRV_LOG(ERR, "Error during getting ethernet device info\n");
-               return rc;
-       }
-
-       if (new_mtu < RTE_ETHER_MIN_MTU || new_mtu > BNXT_MAX_MTU) {
-               PMD_DRV_LOG(ERR, "MTU requested must be within (%d, %d)\n",
-                       RTE_ETHER_MIN_MTU, BNXT_MAX_MTU);
-               return -EINVAL;
-       }
-
 #ifdef RTE_ARCH_X86
        /*
         * If vector-mode tx/rx is active, disallow any MTU change that would
@@ -2020,15 +2010,12 @@ static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
 
        eth_dev->data->dev_conf.rxmode.max_rx_pkt_len = new_pkt_size;
 
-       eth_dev->data->mtu = new_mtu;
-       PMD_DRV_LOG(INFO, "New MTU is %d\n", eth_dev->data->mtu);
-
        for (i = 0; i < bp->nr_vnics; i++) {
                struct bnxt_vnic_info *vnic = &bp->vnic_info[i];
                uint16_t size = 0;
 
-               vnic->mru = bp->eth_dev->data->mtu + RTE_ETHER_HDR_LEN +
-                                       RTE_ETHER_CRC_LEN + VLAN_TAG_SIZE * 2;
+               vnic->mru = new_mtu + RTE_ETHER_HDR_LEN +
+                               RTE_ETHER_CRC_LEN + VLAN_TAG_SIZE * 2;
                rc = bnxt_hwrm_vnic_cfg(bp, vnic);
                if (rc)
                        break;
@@ -2043,6 +2030,8 @@ static int bnxt_mtu_set_op(struct rte_eth_dev *eth_dev, uint16_t new_mtu)
                }
        }
 
+       PMD_DRV_LOG(INFO, "New MTU is %d\n", new_mtu);
+
        return rc;
 }