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bpf: fix bpf_skb_set_tunnel_key() helper 

Make sure to indicate to tunnel driver that key.tun_id is set,
otherwise gre won't recognize the metadata.

Fixes: d3aa45ce6b ("bpf: add helpers to access tunnel metadata")
Signed-off-by: Alexei Starovoitov <ast@plumgrid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexei Starovoitov 2015-08-26 15:57:38 -07:00 committed by David S. Miller
parent 8c5bbe77d4
commit 1dd34b5ad8
1 changed files with 1 additions and 0 deletions
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1
net/core/filter.c
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@ -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);