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authorTimo Teräs <timo.teras@iki.fi>2010-11-03 04:41:38 +0000
committerDavid S. Miller <davem@davemloft.net>2010-11-15 10:44:04 -0800
commitcc9ff19da9bf76a2f70bcb80225a1c587c162e52 (patch)
tree181efcd617a42a48fa94c51cfe9dc0e77b3b5775 /include/net/flow.h
parente1f2d8c2cc61d2b9472efe44e8a2b098336914b4 (diff)
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 'include/net/flow.h')
-rw-r--r--include/net/flow.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/flow.h b/include/net/flow.h
index 0ac3fb5e097..7196e6864b8 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -67,6 +67,7 @@ struct flowi {
} dnports;
__be32 spi;
+ __be32 gre_key;
struct {
__u8 type;
@@ -78,6 +79,7 @@ struct flowi {
#define fl_icmp_code uli_u.icmpt.code
#define fl_ipsec_spi uli_u.spi
#define fl_mh_type uli_u.mht.type
+#define fl_gre_key uli_u.gre_key
__u32 secid; /* used by xfrm; see secid.txt */
} __attribute__((__aligned__(BITS_PER_LONG/8)));