net/hinic: set jumbo frame offload flag

The patch adds DEV_RX_OFFLOAD_JUMBO_FRAME flag for jumbo when set mtu.

Signed-off-by: Xiaoyun Wang <cloud.wangxiaoyun@huawei.com>

diff --git a/drivers/net/hinic/hinic_pmd_ethdev.c b/drivers/net/hinic/hinic_pmd_ethdev.c
index cfbca64..e8264fe 100644 (file)
--- a/drivers/net/hinic/hinic_pmd_ethdev.c
+++ b/drivers/net/hinic/hinic_pmd_ethdev.c
@@ -1529,8 +1529,9 @@ static void hinic_deinit_mac_addr(struct rte_eth_dev *eth_dev)
 
 static int hinic_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
 {
-       int ret = 0;
        struct hinic_nic_dev *nic_dev = HINIC_ETH_DEV_TO_PRIVATE_NIC_DEV(dev);
+       uint32_t frame_size;
+       int ret = 0;
 
        PMD_DRV_LOG(INFO, "Set port mtu, port_id: %d, mtu: %d, max_pkt_len: %d",
                        dev->data->port_id, mtu, HINIC_MTU_TO_PKTLEN(mtu));
@@ -1548,7 +1549,15 @@ static int hinic_dev_set_mtu(struct rte_eth_dev *dev, uint16_t mtu)
        }
 
        /* update max frame size */
-       dev->data->dev_conf.rxmode.max_rx_pkt_len = HINIC_MTU_TO_PKTLEN(mtu);
+       frame_size = HINIC_MTU_TO_PKTLEN(mtu);
+       if (frame_size > RTE_ETHER_MAX_LEN)
+               dev->data->dev_conf.rxmode.offloads |=
+                       DEV_RX_OFFLOAD_JUMBO_FRAME;
+       else
+               dev->data->dev_conf.rxmode.offloads &=
+                       ~DEV_RX_OFFLOAD_JUMBO_FRAME;
+
+       dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
        nic_dev->mtu_size = mtu;
 
        return ret;