| Message ID | 20250324103235.823096-2-jiawenwu@trustnetic.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | c7d82913d5f9e97860772ee4051eaa66b56a6273 |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [net,1/2] net: libwx: fix Tx descriptor content for some tunnel packets | expand |
diff --git a/drivers/net/ethernet/wangxun/libwx/wx_lib.c b/drivers/net/ethernet/wangxun/libwx/wx_lib.c index 9294a9d8c554..497abf2723a5 100644 --- a/drivers/net/ethernet/wangxun/libwx/wx_lib.c +++ b/drivers/net/ethernet/wangxun/libwx/wx_lib.c @@ -1337,6 +1337,7 @@ static void wx_tx_csum(struct wx_ring *tx_ring, struct wx_tx_buffer *first, u8 tun_prot = 0; if (skb->ip_summed != CHECKSUM_PARTIAL) { +csum_failed: if (!(first->tx_flags & WX_TX_FLAGS_HW_VLAN) && !(first->tx_flags & WX_TX_FLAGS_CC)) return; @@ -1441,7 +1442,8 @@ static void wx_tx_csum(struct wx_ring *tx_ring, struct wx_tx_buffer *first, WX_TXD_L4LEN_SHIFT; break; default: - break; + skb_checksum_help(skb); + goto csum_failed; } /* update TX checksum flag */
The hardware only supports L4 checksum offload for TCP/UDP/SCTP protocol. There was a bug to set Tx checksum flag for the other protocol that results in Tx ring hang. Fix to compute software checksum for these packets. Fixes: 3403960cdf86 ("net: wangxun: libwx add tx offload functions") Signed-off-by: Jiawen Wu <jiawenwu@trustnetic.com> --- drivers/net/ethernet/wangxun/libwx/wx_lib.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)