From mboxrd@z Thu Jan 1 00:00:00 1970 From: Daniel Borkmann Subject: [PATCH v3 net-next 1/4] flow_keys: include thoff into flow_keys for later usage Date: Tue, 19 Mar 2013 17:39:29 +0100 Message-ID: <1363711172-9728-2-git-send-email-dborkman@redhat.com> References: <1363711172-9728-1-git-send-email-dborkman@redhat.com> Cc: davem@davemloft.net, eric.dumazet@gmail.com To: netdev@vger.kernel.org Return-path: Received: from mx1.redhat.com ([209.132.183.28]:12524 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757067Ab3CSQji (ORCPT ); Tue, 19 Mar 2013 12:39:38 -0400 In-Reply-To: <1363711172-9728-1-git-send-email-dborkman@redhat.com> Sender: netdev-owner@vger.kernel.org List-ID: 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 --- This patch also needs to go into the net tree, since Eric or Jason will post a bug fix on top of this one. 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 80461c1..bb8271d 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 f8d9e03..f4be293 100644 --- a/net/core/flow_dissector.c +++ b/net/core/flow_dissector.c @@ -151,6 +151,8 @@ ipv6: flow->ports = *ports; } + flow->thoff = (u16) nhoff; + return true; } EXPORT_SYMBOL(skb_flow_dissect); -- 1.7.11.7