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| author | Patrick McHardy <kaber@trash.net> | 2006-03-20 18:03:16 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 18:03:16 -0800 |
| commit | f2ffd9eeda82b476c034d733be08ecf6a87d2edf (patch) | |
| tree | 05cbab3a8eb03184b7c924bb30ae7be0380336ad /net/ipv6 | |
| parent | c49867347404c46f137a261643ed4fce4376f324 (diff) | |
| download | linux-f2ffd9eeda82b476c034d733be08ecf6a87d2edf.tar.gz linux-f2ffd9eeda82b476c034d733be08ecf6a87d2edf.tar.bz2 linux-f2ffd9eeda82b476c034d733be08ecf6a87d2edf.zip | |
[NETFILTER]: Move ip6_masked_addrcmp to include/net/ipv6.h
Replace netfilter's ip6_masked_addrcmp by a more efficient version
in include/net/ipv6.h to make it usable without module dependencies.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6')
| -rw-r--r-- | net/ipv6/netfilter/ip6_tables.c | 22 | ||||
| -rw-r--r-- | net/ipv6/netfilter/ip6t_policy.c | 3 |
2 files changed, 6 insertions, 19 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index b75f8fdc3afe..d74ec335743e 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -94,19 +94,6 @@ do { \ #define up(x) do { printk("UP:%u:" #x "\n", __LINE__); up(x); } while(0) #endif -int -ip6_masked_addrcmp(const struct in6_addr *addr1, const struct in6_addr *mask, - const struct in6_addr *addr2) -{ - int i; - for( i = 0; i < 16; i++){ - if((addr1->s6_addr[i] & mask->s6_addr[i]) != - (addr2->s6_addr[i] & mask->s6_addr[i])) - return 1; - } - return 0; -} - /* Check for an extension */ int ip6t_ext_hdr(u8 nexthdr) @@ -135,10 +122,10 @@ ip6_packet_match(const struct sk_buff *skb, #define FWINV(bool,invflg) ((bool) ^ !!(ip6info->invflags & invflg)) - if (FWINV(ip6_masked_addrcmp(&ipv6->saddr, &ip6info->smsk, - &ip6info->src), IP6T_INV_SRCIP) - || FWINV(ip6_masked_addrcmp(&ipv6->daddr, &ip6info->dmsk, - &ip6info->dst), IP6T_INV_DSTIP)) { + if (FWINV(ipv6_masked_addr_cmp(&ipv6->saddr, &ip6info->smsk, + &ip6info->src), IP6T_INV_SRCIP) + || FWINV(ipv6_masked_addr_cmp(&ipv6->daddr, &ip6info->dmsk, + &ip6info->dst), IP6T_INV_DSTIP)) { dprintf("Source or dest mismatch.\n"); /* dprintf("SRC: %u. Mask: %u. Target: %u.%s\n", ip->saddr, @@ -1526,7 +1513,6 @@ EXPORT_SYMBOL(ip6t_unregister_table); EXPORT_SYMBOL(ip6t_do_table); EXPORT_SYMBOL(ip6t_ext_hdr); EXPORT_SYMBOL(ipv6_find_hdr); -EXPORT_SYMBOL(ip6_masked_addrcmp); module_init(init); module_exit(fini); diff --git a/net/ipv6/netfilter/ip6t_policy.c b/net/ipv6/netfilter/ip6t_policy.c index b2f30072ca6e..f2a59970e007 100644 --- a/net/ipv6/netfilter/ip6t_policy.c +++ b/net/ipv6/netfilter/ip6t_policy.c @@ -27,7 +27,8 @@ static inline int match_xfrm_state(struct xfrm_state *x, const struct ip6t_policy_elem *e) { #define MATCH_ADDR(x,y,z) (!e->match.x || \ - ((!ip6_masked_addrcmp(&e->x.a6, &e->y.a6, z)) \ + ((!ipv6_masked_addr_cmp(&e->x.a6, &e->y.a6, \ + z)) \ ^ e->invert.x)) #define MATCH(x,y) (!e->match.x || ((e->x == (y)) ^ e->invert.x)) |