[v5,2/4] net/hinic: add jumbo frame offload flag
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Commit Message
The patch adds DEV_RX_OFFLOAD_JUMBO_FRAME flag for jumbo when set mtu.
Signed-off-by: Xiaoyun wang <cloud.wangxiaoyun@huawei.com>
---
drivers/net/hinic/hinic_pmd_ethdev.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
@@ -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;