New upstream version 16.11.7

[deb_dpdk.git] / drivers / net / thunderx / nicvf_ethdev.c

diff --git a/drivers/net/thunderx/nicvf_ethdev.c b/drivers/net/thunderx/nicvf_ethdev.c
index d229bdf..d0f0d52 100644 (file)
--- a/drivers/net/thunderx/nicvf_ethdev.c
+++ b/drivers/net/thunderx/nicvf_ethdev.c
@@ -161,7 +161,7 @@ static int
 nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 {
        struct nicvf *nic = nicvf_pmd_priv(dev);
-       uint32_t buffsz, frame_size = mtu + ETHER_HDR_LEN + ETHER_CRC_LEN;
+       uint32_t buffsz, frame_size = mtu + NIC_HW_L2_OVERHEAD;
        size_t i;
 
        PMD_INIT_FUNC_TRACE();
@@ -178,7 +178,7 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
         * Refuse mtu that requires the support of scattered packets
         * when this feature has not been enabled before.
         */
-       if (!dev->data->scattered_rx &&
+       if (dev->data->dev_started && !dev->data->scattered_rx &&
                (frame_size + 2 * VLAN_TAG_SIZE > buffsz))
                return -EINVAL;
 
@@ -192,11 +192,11 @@ nicvf_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
        else
                dev->data->dev_conf.rxmode.jumbo_frame = 0;
 
-       if (nicvf_mbox_update_hw_max_frs(nic, frame_size))
+       if (nicvf_mbox_update_hw_max_frs(nic, mtu))
                return -EINVAL;
 
-       /* Update max frame size */
-       dev->data->dev_conf.rxmode.max_rx_pkt_len = (uint32_t)frame_size;
+       /* Update max_rx_pkt_len */
+       dev->data->dev_conf.rxmode.max_rx_pkt_len = mtu + ETHER_HDR_LEN;
        nic->mtu = mtu;
 
        for (i = 0; i < nic->sqs_count; i++)
@@ -1338,7 +1338,7 @@ nicvf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
        PMD_INIT_FUNC_TRACE();
 
        dev_info->min_rx_bufsize = ETHER_MIN_MTU;
-       dev_info->max_rx_pktlen = NIC_HW_MAX_FRS;
+       dev_info->max_rx_pktlen = NIC_HW_MAX_MTU + ETHER_HDR_LEN;
        dev_info->max_rx_queues =
                        (uint16_t)MAX_RCV_QUEUES_PER_QS * (MAX_SQS_PER_VF + 1);
        dev_info->max_tx_queues =
@@ -1658,8 +1658,7 @@ nicvf_dev_start(struct rte_eth_dev *dev)
        /* Setup MTU based on max_rx_pkt_len or default */
        mtu = dev->data->dev_conf.rxmode.jumbo_frame ?
                dev->data->dev_conf.rxmode.max_rx_pkt_len
-                       -  ETHER_HDR_LEN - ETHER_CRC_LEN
-               : ETHER_MTU;
+                       -  ETHER_HDR_LEN : ETHER_MTU;
 
        if (nicvf_dev_set_mtu(dev, mtu)) {
                PMD_INIT_LOG(ERR, "Failed to set default mtu size");