netdev - [PATCH 9/25] net: Add flowiX_to

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Message-Id: <20110312.152704.28813461.davem@davemloft.net>
Date:	Sat, 12 Mar 2011 15:27:04 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	netdev@...r.kernel.org
Subject: [PATCH 9/25] net: Add flowiX_to_flowi() shorthands.


This is just a shorthand which will help in passing around AF
specific flow structures as generic ones.

Signed-off-by: David S. Miller <davem@...emloft.net>
---
 include/net/flow.h |   15 +++++++++++++++
 1 files changed, 15 insertions(+), 0 deletions(-)

diff --git a/include/net/flow.h b/include/net/flow.h
index 9311690..8139257 100644
--- a/include/net/flow.h
+++ b/include/net/flow.h
@@ -112,6 +112,21 @@ struct flowi {
 #define fl6_gre_key	u.ip6.uli.gre_key
 } __attribute__((__aligned__(BITS_PER_LONG/8)));
 
+static inline struct flowi *flowi4_to_flowi(struct flowi4 *fl4)
+{
+	return container_of(fl4, struct flowi, u.ip4);
+}
+
+static inline struct flowi *flowi6_to_flowi(struct flowi6 *fl6)
+{
+	return container_of(fl6, struct flowi, u.ip6);
+}
+
+static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn)
+{
+	return container_of(fldn, struct flowi, u.dn);
+}
+
 #define FLOW_DIR_IN	0
 #define FLOW_DIR_OUT	1
 #define FLOW_DIR_FWD	2
-- 
1.7.4.1

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