examples/tep_term: fix packet length with multi-segments

For multi-seg mbuf, ip->total_length should be pkt_len subtract
ether len.

Fixes: 4abe471ed6fc ("examples/tep_term: implement VXLAN processing")

Signed-off-by: Michael Qiu <qiudayu@chinac.com>
Acked-by: Jianfeng Tan <jianfeng.tan@intel.com>

diff --git a/examples/tep_termination/vxlan.c b/examples/tep_termination/vxlan.c
index 109e93a..9f0e836 100644 (file)
--- a/examples/tep_termination/vxlan.c
+++ b/examples/tep_termination/vxlan.c
@@ -221,7 +221,7 @@ encapsulation(struct rte_mbuf *m, uint8_t queue_id)
        /* copy in IP header */
        ip = rte_memcpy(ip, &app_ip_hdr[vport_id],
                sizeof(struct ipv4_hdr));
-       ip->total_length = rte_cpu_to_be_16(m->data_len
+       ip->total_length = rte_cpu_to_be_16(m->pkt_len
                                - sizeof(struct ether_hdr));
 
        /* outer IP checksum */