Make sure to indicate to tunnel driver that key.tun_id is set,
otherwise gre won't recognize the metadata.
Fixes: d3aa45ce6b94 ("bpf: add helpers to access tunnel metadata")
Signed-off-by: Alexei Starovoitov <a...@plumgrid.com>
---
With this fix both vxlan and gretap are working with tc+bpf.
net/core/filter.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/core/filter.c b/net/core/filter.c
index b4adc961413f..66500d490995 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -1528,6 +1528,7 @@ static u64 bpf_skb_set_tunnel_key(u64 r1, u64 r2, u64
size, u64 flags, u64 r5)
info = &md->u.tun_info;
info->mode = IP_TUNNEL_INFO_TX;
+ info->key.tun_flags = TUNNEL_KEY;
info->key.tun_id = cpu_to_be64(from->tunnel_id);
info->key.u.ipv4.dst = cpu_to_be32(from->remote_ipv4);
--
1.7.9.5
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