[v1] net/ice: fix TCP checksum offload failure
Checks
Commit Message
The L4LEN field of the Descriptor Header Offset for TCP should be the
real length including the TCP options.
Fixes: 17c7d0f9d6a4 ("net/ice: support basic Rx/Tx")
Cc: stable@dpdk.org
Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
---
drivers/net/ice/ice_rxtx.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
> -----Original Message-----
> From: Wang, Haiyue <haiyue.wang@intel.com>
> Sent: Tuesday, July 28, 2020 9:42 PM
> To: dev@dpdk.org; Yang, Qiming <qiming.yang@intel.com>; Zhang, Qi Z
> <qi.z.zhang@intel.com>
> Cc: Wang, Yinan <yinan.wang@intel.com>; Xu, Ting <ting.xu@intel.com>;
> Wang, Haiyue <haiyue.wang@intel.com>; stable@dpdk.org
> Subject: [PATCH v1] net/ice: fix TCP checksum offload failure
>
> The L4LEN field of the Descriptor Header Offset for TCP should be the real
> length including the TCP options.
>
> Fixes: 17c7d0f9d6a4 ("net/ice: support basic Rx/Tx")
> Cc: stable@dpdk.org
>
> Signed-off-by: Haiyue Wang <haiyue.wang@intel.com>
Acked-by: Qi Zhang <qi.z.zhang@intel.com>
Applied to dpdk-next-net-intel.
Thanks
Qi
@@ -2234,7 +2234,7 @@ ice_txd_enable_checksum(uint64_t ol_flags,
switch (ol_flags & PKT_TX_L4_MASK) {
case PKT_TX_TCP_CKSUM:
*td_cmd |= ICE_TX_DESC_CMD_L4T_EOFT_TCP;
- *td_offset |= (sizeof(struct rte_tcp_hdr) >> 2) <<
+ *td_offset |= (tx_offload.l4_len >> 2) <<
ICE_TX_DESC_LEN_L4_LEN_S;
break;
case PKT_TX_SCTP_CKSUM: