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| author | Timo Teräs <timo.teras@iki.fi> | 2010-11-03 04:41:38 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-11-15 10:44:04 -0800 |
| commit | cc9ff19da9bf76a2f70bcb80225a1c587c162e52 (patch) | |
| tree | 181efcd617a42a48fa94c51cfe9dc0e77b3b5775 /net/ipv4/ip_gre.c | |
| parent | e1f2d8c2cc61d2b9472efe44e8a2b098336914b4 (diff) | |
| download | linux-cc9ff19da9bf76a2f70bcb80225a1c587c162e52.tar.gz linux-cc9ff19da9bf76a2f70bcb80225a1c587c162e52.tar.bz2 linux-cc9ff19da9bf76a2f70bcb80225a1c587c162e52.zip | |
xfrm: use gre key as flow upper protocol info
The GRE Key field is intended to be used for identifying an individual
traffic flow within a tunnel. It is useful to be able to have XFRM
policy selector matches to have different policies for different
GRE tunnels.
Signed-off-by: Timo Teräs <timo.teras@iki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/ip_gre.c')
| -rw-r--r-- | net/ipv4/ip_gre.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c index cab2057d5430..aace653710f6 100644 --- a/net/ipv4/ip_gre.c +++ b/net/ipv4/ip_gre.c @@ -779,9 +779,9 @@ static netdev_tx_t ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev .tos = RT_TOS(tos) } }, - .proto = IPPROTO_GRE - } -; + .proto = IPPROTO_GRE, + .fl_gre_key = tunnel->parms.o_key + }; if (ip_route_output_key(dev_net(dev), &rt, &fl)) { dev->stats.tx_carrier_errors++; goto tx_error; @@ -958,7 +958,8 @@ static int ipgre_tunnel_bind_dev(struct net_device *dev) .tos = RT_TOS(iph->tos) } }, - .proto = IPPROTO_GRE + .proto = IPPROTO_GRE, + .fl_gre_key = tunnel->parms.o_key }; struct rtable *rt; @@ -1223,7 +1224,8 @@ static int ipgre_open(struct net_device *dev) .tos = RT_TOS(t->parms.iph.tos) } }, - .proto = IPPROTO_GRE + .proto = IPPROTO_GRE, + .fl_gre_key = t->parms.o_key }; struct rtable *rt; |