From: Jan Scheurich <jan.scheur...@ericsson.com>
In netdev_gre_build_header(), GRE protocol is set based on packet_type of flow.
If it's about an Ethernet packet, it is set to ETP_TYPE_TEB. Otherwise, if the
name space is OFPHTN_ETHERNET, it is set according to the name space type.
Signed-off-by: Jan Scheurich <jan.scheur...@ericsson.com>
---
lib/netdev-native-tnl.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/lib/netdev-native-tnl.c b/lib/netdev-native-tnl.c
index 2d947c2..76dd07e 100644
--- a/lib/netdev-native-tnl.c
+++ b/lib/netdev-native-tnl.c
@@ -462,10 +462,12 @@ netdev_gre_build_header(const struct netdev *netdev,
greh = netdev_tnl_ip_build_header(data, params, IPPROTO_GRE);
- if (tnl_cfg->is_layer3) {
- greh->protocol = params->flow->dl_type;
- } else {
+ if (params->flow->packet_type == htonl(PT_ETH)) {
greh->protocol = htons(ETH_TYPE_TEB);
+ } else if (pt_ns(params->flow->packet_type) == OFPHTN_ETHERTYPE) {
+ greh->protocol = pt_ns_type_be(params->flow->packet_type);
+ } else {
+ return 1;
}
greh->flags = 0;
--
2.7.4
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