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| author | William Tu <u9012063@gmail.com> | 2017-12-01 15:26:08 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-12-04 11:04:19 -0500 |
| commit | 6712abc168ebac90b46088b89798aa31a1bc79f9 (patch) | |
| tree | 43540b28583b129659baa06a62e86d18354ab654 /net/ipv6/ip6_tunnel.c | |
| parent | c34bc2b5059c515aebc3dde4c34baba6db3fd43f (diff) | |
| download | lwn-6712abc168ebac90b46088b89798aa31a1bc79f9.tar.gz lwn-6712abc168ebac90b46088b89798aa31a1bc79f9.zip | |
ip6_gre: add ip6 gre and gretap collect_md mode
Similar to gre, vxlan, geneve, ipip tunnels, allow ip6 gre and gretap
tunnels to operate in collect metadata mode. bpf_skb_[gs]et_tunnel_key()
helpers can make use of it right away. OVS can use it as well in the
future.
Signed-off-by: William Tu <u9012063@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/ip6_tunnel.c')
| -rw-r--r-- | net/ipv6/ip6_tunnel.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/ipv6/ip6_tunnel.c b/net/ipv6/ip6_tunnel.c index 3d3092adf1d2..6a3b1a54a952 100644 --- a/net/ipv6/ip6_tunnel.c +++ b/net/ipv6/ip6_tunnel.c @@ -861,7 +861,7 @@ int ip6_tnl_rcv(struct ip6_tnl *t, struct sk_buff *skb, struct metadata_dst *tun_dst, bool log_ecn_err) { - return __ip6_tnl_rcv(t, skb, tpi, NULL, ip6ip6_dscp_ecn_decapsulate, + return __ip6_tnl_rcv(t, skb, tpi, tun_dst, ip6ip6_dscp_ecn_decapsulate, log_ecn_err); } EXPORT_SYMBOL(ip6_tnl_rcv); @@ -979,6 +979,9 @@ int ip6_tnl_xmit_ctl(struct ip6_tnl *t, int ret = 0; struct net *net = t->net; + if (t->parms.collect_md) + return 1; + if ((p->flags & IP6_TNL_F_CAP_XMIT) || ((p->flags & IP6_TNL_F_CAP_PER_PACKET) && (ip6_tnl_get_cap(t, laddr, raddr) & IP6_TNL_F_CAP_XMIT))) { |