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authorSridhar Samudrala <sri@us.ibm.com>2009-07-09 10:10:01 +0200
committerDavid S. Miller <davem@davemloft.net>2009-07-12 23:29:28 +0200
commit7ea2f2c5a66e4e9a8d96296ac47ad895c467ee1d (patch)
tree3375f979fd62839465b8538fe658ab4f31b6e0f8 /include/net/ipv6.h
parentudpv6: Fix gso_size setting in ip6_ufo_append_data (diff)
downloadlinux-7ea2f2c5a66e4e9a8d96296ac47ad895c467ee1d.tar.xz
linux-7ea2f2c5a66e4e9a8d96296ac47ad895c467ee1d.zip
udpv6: Remove unused skb argument of ipv6_select_ident()
- move ipv6_select_ident() inline function to ipv6.h and remove the unused skb argument Signed-off-by: Sridhar Samudrala <sri@us.ibm.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h12
1 files changed, 12 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index f27fd83d67d8..ad9a51130254 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -441,6 +441,18 @@ static inline int ipv6_addr_diff(const struct in6_addr *a1, const struct in6_add
return __ipv6_addr_diff(a1, a2, sizeof(struct in6_addr));
}
+static __inline__ void ipv6_select_ident(struct frag_hdr *fhdr)
+{
+ static u32 ipv6_fragmentation_id = 1;
+ static DEFINE_SPINLOCK(ip6_id_lock);
+
+ spin_lock_bh(&ip6_id_lock);
+ fhdr->identification = htonl(ipv6_fragmentation_id);
+ if (++ipv6_fragmentation_id == 0)
+ ipv6_fragmentation_id = 1;
+ spin_unlock_bh(&ip6_id_lock);
+}
+
/*
* Prototypes exported by ipv6
*/