diff options
Diffstat (limited to 'net/netfilter/ipset/ip_set_bitmap_ip.c')
-rw-r--r-- | net/netfilter/ipset/ip_set_bitmap_ip.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/net/netfilter/ipset/ip_set_bitmap_ip.c b/net/netfilter/ipset/ip_set_bitmap_ip.c index 11ff9d4a7006..abe8f77d7d23 100644 --- a/net/netfilter/ipset/ip_set_bitmap_ip.c +++ b/net/netfilter/ipset/ip_set_bitmap_ip.c @@ -55,7 +55,7 @@ struct bitmap_ip_adt_elem { u16 id; }; -static inline u32 +static u32 ip_to_id(const struct bitmap_ip *m, u32 ip) { return ((ip & ip_set_hostmask(m->netmask)) - m->first_ip) / m->hosts; @@ -63,33 +63,33 @@ ip_to_id(const struct bitmap_ip *m, u32 ip) /* Common functions */ -static inline int +static int bitmap_ip_do_test(const struct bitmap_ip_adt_elem *e, struct bitmap_ip *map, size_t dsize) { return !!test_bit(e->id, map->members); } -static inline int +static int bitmap_ip_gc_test(u16 id, const struct bitmap_ip *map, size_t dsize) { return !!test_bit(id, map->members); } -static inline int +static int bitmap_ip_do_add(const struct bitmap_ip_adt_elem *e, struct bitmap_ip *map, u32 flags, size_t dsize) { return !!test_bit(e->id, map->members); } -static inline int +static int bitmap_ip_do_del(const struct bitmap_ip_adt_elem *e, struct bitmap_ip *map) { return !test_and_clear_bit(e->id, map->members); } -static inline int +static int bitmap_ip_do_list(struct sk_buff *skb, const struct bitmap_ip *map, u32 id, size_t dsize) { @@ -97,7 +97,7 @@ bitmap_ip_do_list(struct sk_buff *skb, const struct bitmap_ip *map, u32 id, htonl(map->first_ip + id * map->hosts)); } -static inline int +static int bitmap_ip_do_head(struct sk_buff *skb, const struct bitmap_ip *map) { return nla_put_ipaddr4(skb, IPSET_ATTR_IP, htonl(map->first_ip)) || @@ -237,6 +237,18 @@ init_map_ip(struct ip_set *set, struct bitmap_ip *map, return true; } +static u32 +range_to_mask(u32 from, u32 to, u8 *bits) +{ + u32 mask = 0xFFFFFFFE; + + *bits = 32; + while (--(*bits) > 0 && mask && (to & mask) != from) + mask <<= 1; + + return mask; +} + static int bitmap_ip_create(struct net *net, struct ip_set *set, struct nlattr *tb[], u32 flags) |