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authorIlpo Järvinen <ilpo.jarvinen@helsinki.fi>2008-10-01 02:48:31 -0700
committerDavid S. Miller <davem@davemloft.net>2008-10-01 02:48:31 -0700
commit93c8b90f01f0dc73891da4e84b26524b61d29d66 (patch)
treeec7fa47679cccf47716039f2c3898742a0881090 /include/net/ipv6.h
parent2bcb4b0f111053d0e8fb4366f0708395d997e93a (diff)
downloadop-kernel-dev-93c8b90f01f0dc73891da4e84b26524b61d29d66.zip
op-kernel-dev-93c8b90f01f0dc73891da4e84b26524b61d29d66.tar.gz
ipv6: almost identical frag hashing funcs combined
$ diff-funcs ip6qhashfn reassembly.c netfilter/nf_conntrack_reasm.c --- reassembly.c:ip6qhashfn() +++ netfilter/nf_conntrack_reasm.c:ip6qhashfn() @@ -1,5 +1,5 @@ -static unsigned int ip6qhashfn(__be32 id, struct in6_addr *saddr, - struct in6_addr *daddr) +static unsigned int ip6qhashfn(__be32 id, const struct in6_addr *saddr, + const struct in6_addr *daddr) { u32 a, b, c; @@ -9,7 +9,7 @@ a += JHASH_GOLDEN_RATIO; b += JHASH_GOLDEN_RATIO; - c += ip6_frags.rnd; + c += nf_frags.rnd; __jhash_mix(a, b, c); a += (__force u32)saddr->s6_addr32[3]; And codiff xx.o.old xx.o.new: net/ipv6/netfilter/nf_conntrack_reasm.c: ip6qhashfn | -512 nf_hashfn | +6 nf_ct_frag6_gather | +36 3 functions changed, 42 bytes added, 512 bytes removed, diff: -470 net/ipv6/reassembly.c: ip6qhashfn | -512 ip6_hashfn | +7 ipv6_frag_rcv | +89 3 functions changed, 96 bytes added, 512 bytes removed, diff: -416 net/ipv6/reassembly.c: inet6_hash_frag | +510 1 function changed, 510 bytes added, diff: +510 Total: -376 Compile tested. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ipv6.h')
-rw-r--r--include/net/ipv6.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index 113028f..dfa7ae3 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -576,6 +576,8 @@ extern int ip6_mc_msfilter(struct sock *sk, struct group_filter *gsf);
extern int ip6_mc_msfget(struct sock *sk, struct group_filter *gsf,
struct group_filter __user *optval,
int __user *optlen);
+extern unsigned int inet6_hash_frag(__be32 id, const struct in6_addr *saddr,
+ const struct in6_addr *daddr, u32 rnd);
#ifdef CONFIG_PROC_FS
extern int ac6_proc_init(struct net *net);
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