diff options
author | Daniel Borkmann <dborkman@redhat.com> | 2013-03-19 06:39:29 +0000 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2013-03-20 12:14:36 -0400 |
commit | 8ed781668dd49b608f1e67a22e3b445fd0c2cd6f (patch) | |
tree | ee86a37fae38bbe6e12e489cb94ce0dfea0fe59d | |
parent | e0ebcb80cbf2022db839186b52f8de4591883559 (diff) | |
download | linux-8ed781668dd49b608f1e67a22e3b445fd0c2cd6f.tar.bz2 |
flow_keys: include thoff into flow_keys for later usage
In skb_flow_dissect(), we perform a dissection of a skbuff. Since we're
doing the work here anyway, also store thoff for a later usage, e.g. in
the BPF filter.
Suggested-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r-- | include/net/flow_keys.h | 1 | ||||
-rw-r--r-- | net/core/flow_dissector.c | 2 |
2 files changed, 3 insertions, 0 deletions
diff --git a/include/net/flow_keys.h b/include/net/flow_keys.h index 80461c1ae9ef..bb8271d487b7 100644 --- a/include/net/flow_keys.h +++ b/include/net/flow_keys.h @@ -9,6 +9,7 @@ struct flow_keys { __be32 ports; __be16 port16[2]; }; + u16 thoff; u8 ip_proto; }; diff --git a/net/core/flow_dissector.c b/net/core/flow_dissector.c index 9d4c7201400d..e187bf06d673 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -140,6 +140,8 @@ ipv6: flow->ports = *ports; } + flow->thoff = (u16) nhoff; + return true; } EXPORT_SYMBOL(skb_flow_dissect); |