From: Michael Qiu <qdy220091330@gmail.com>
To: dev@dpdk.org
Cc: jianfeng.tan@intel.com, Michael Qiu <qiudayu@chinac.com>
Subject: [dpdk-dev] [PATCH 1/2] examples/tep_term: Fix l4_len issue
Date: Tue, 18 Oct 2016 13:49:06 +0800 [thread overview]
Message-ID: <1476769747-23289-1-git-send-email-qiudayu@chinac.com> (raw)
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(-)
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) {
--
1.8.3.1
next reply other threads:[~2016-10-18 5:50 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-18 5:49 Michael Qiu [this message]
2016-10-18 5:49 ` [dpdk-dev] [PATCH 2/2] examples/tep_term: Fix packet len for multi-seg mbuf Michael Qiu
2016-10-24 5:41 ` Tan, Jianfeng
2016-10-25 15:53 ` Thomas Monjalon
2016-10-24 5:41 ` [dpdk-dev] [PATCH 1/2] examples/tep_term: Fix l4_len issue Tan, Jianfeng
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