netdev - [PATCH 2/2] ipv6: remove rt6i_flow_cache_genid field in rt6

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Message-Id: <1347033467-3757-3-git-send-email-nicolas.dichtel@6wind.com>
Date:	Fri,  7 Sep 2012 17:57:47 +0200
From:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
To:	vyasevich@...il.com, davem@...emloft.net
Cc:	sri@...ibm.com, linux-sctp@...r.kernel.org, netdev@...r.kernel.org,
	Nicolas Dichtel <nicolas.dichtel@...nd.com>
Subject: [PATCH 2/2] ipv6: remove rt6i_flow_cache_genid field in rt6_info

Now that flow_cache_genid is stored in dst, there is no need to add
specific code here.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@...nd.com>
---
 include/net/ip6_fib.h            |  3 ---
 net/ipv6/inet6_connection_sock.c | 23 +----------------------
 2 files changed, 1 insertion(+), 25 deletions(-)

diff --git a/include/net/ip6_fib.h b/include/net/ip6_fib.h
index cd64cf3..af11e95 100644
--- a/include/net/ip6_fib.h
+++ b/include/net/ip6_fib.h
@@ -112,9 +112,6 @@ struct rt6_info {
 	struct inet6_dev		*rt6i_idev;
 	unsigned long			_rt6i_peer;
 
-#ifdef CONFIG_XFRM
-	u32				rt6i_flow_cache_genid;
-#endif
 	/* more non-fragment space at head required */
 	unsigned short			rt6i_nfheader_len;
 
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index 0251a60..c4f9341 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -175,33 +175,12 @@ void __inet6_csk_dst_store(struct sock *sk, struct dst_entry *dst,
 			   const struct in6_addr *saddr)
 {
 	__ip6_dst_store(sk, dst, daddr, saddr);
-
-#ifdef CONFIG_XFRM
-	{
-		struct rt6_info *rt = (struct rt6_info  *)dst;
-		rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid);
-	}
-#endif
 }
 
 static inline
 struct dst_entry *__inet6_csk_dst_check(struct sock *sk, u32 cookie)
 {
-	struct dst_entry *dst;
-
-	dst = __sk_dst_check(sk, cookie);
-
-#ifdef CONFIG_XFRM
-	if (dst) {
-		struct rt6_info *rt = (struct rt6_info *)dst;
-		if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) {
-			__sk_dst_reset(sk);
-			dst = NULL;
-		}
-	}
-#endif
-
-	return dst;
+	return __sk_dst_check(sk, cookie);
 }
 
 static struct dst_entry *inet6_csk_route_socket(struct sock *sk,
-- 
1.7.12

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