From 8ed781668dd49b608f1e67a22e3b445fd0c2cd6f Mon Sep 17 00:00:00 2001 From: Daniel Borkmann Date: Tue, 19 Mar 2013 06:39:29 +0000 Subject: 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 Signed-off-by: Daniel Borkmann Signed-off-by: Eric Dumazet Signed-off-by: David S. Miller --- include/net/flow_keys.h | 1 + net/core/flow_dissector.c | 2 ++ 2 files changed, 3 insertions(+) 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); -- cgit v1.2.3-59-g8ed1b