diff mbox

[dpdk-dev,1/2] examples/tep_term: Fix l4_len issue

Message ID 1476769747-23289-1-git-send-email-qiudayu@chinac.com (mailing list archive)
State Accepted, archived
Headers show

Commit Message

Michael Qiu Oct. 18, 2016, 5:49 a.m. UTC
l4_len is not fixed, althrough mostly it is a fixed value,
but when guest using iperf to do some tests, the l4_len
will have another 12 bytes optional fields.

Fixes: 2bb43bd4350a("examples/tep_term: add TSO offload configuration")

Signed-off-by: Michael Qiu <qiudayu@chinac.com>
---
 examples/tep_termination/vxlan.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Jianfeng Tan Oct. 24, 2016, 5:41 a.m. UTC | #1
> -----Original Message-----
> From: Michael Qiu [mailto:qdy220091330@gmail.com]
> Sent: Tuesday, October 18, 2016 1:49 PM
> To: dev@dpdk.org
> Cc: Tan, Jianfeng; Michael Qiu
> Subject: [PATCH 1/2] examples/tep_term: Fix l4_len issue
> 
> l4_len is not fixed, althrough mostly it is a fixed value,
> but when guest using iperf to do some tests, the l4_len
> will have another 12 bytes optional fields.
> 
> Fixes: 2bb43bd4350a("examples/tep_term: add TSO offload configuration")
> 
> Signed-off-by: Michael Qiu <qiudayu@chinac.com>

Acked-by: Jianfeng Tan <jianfeng.tan@intel.com>

Thanks,
Jianfeng
diff mbox

Patch

diff --git a/examples/tep_termination/vxlan.c b/examples/tep_termination/vxlan.c
index 5ee1f95..b57f867 100644
--- a/examples/tep_termination/vxlan.c
+++ b/examples/tep_termination/vxlan.c
@@ -147,7 +147,7 @@  process_inner_cksums(struct ether_hdr *eth_hdr, union tunnel_offload_info *info)
 		if (tso_segsz != 0) {
 			ol_flags |= PKT_TX_TCP_SEG;
 			info->tso_segsz = tso_segsz;
-			info->l4_len = sizeof(struct tcp_hdr);
+			info->l4_len = (tcp_hdr->data_off & 0xf0) >> 2;
 		}
 
 	} else if (l4_proto == IPPROTO_SCTP) {