struct hash_net4_elem {
__be32 ip;
u16 padding0;
- u8 padding1;
+ u8 nomatch;
u8 cidr;
};
struct hash_net4_telem {
__be32 ip;
u16 padding0;
- u8 padding1;
+ u8 nomatch;
u8 cidr;
unsigned long timeout;
};
const struct hash_net4_elem *ip2,
u32 *multi)
{
- return ip1->ip == ip2->ip && ip1->cidr == ip2->cidr;
+ return ip1->ip == ip2->ip &&
+ ip1->cidr == ip2->cidr;
}
static inline bool
{
dst->ip = src->ip;
dst->cidr = src->cidr;
+ dst->nomatch = src->nomatch;
+}
+
+static inline void
+hash_net4_data_flags(struct hash_net4_elem *dst, u32 flags)
+{
+ dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+}
+
+static inline bool
+hash_net4_data_match(const struct hash_net4_elem *elem)
+{
+ return !elem->nomatch;
}
static inline void
static bool
hash_net4_data_list(struct sk_buff *skb, const struct hash_net4_elem *data)
{
+ u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
+
NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, data->ip);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags));
return 0;
nla_put_failure:
{
const struct hash_net4_telem *tdata =
(const struct hash_net4_telem *)data;
+ u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
NLA_PUT_IPADDR4(skb, IPSET_ATTR_IP, tdata->ip);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR, tdata->cidr);
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
htonl(ip_set_timeout_get(tdata->timeout)));
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags));
return 0;
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
- !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
if (tb[IPSET_ATTR_LINENO])
if (tb[IPSET_ATTR_CIDR]) {
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
- if (!data.cidr)
+ if (!data.cidr || data.cidr > HOST_MASK)
return -IPSET_ERR_INVALID_CIDR;
}
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
+ if (tb[IPSET_ATTR_CADT_FLAGS] && adt == IPSET_ADD) {
+ u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+ if (cadt_flags & IPSET_FLAG_NOMATCH)
+ flags |= (cadt_flags << 16);
+ }
+
if (adt == IPSET_TEST || !tb[IPSET_ATTR_IP_TO]) {
data.ip = htonl(ip & ip_set_hostmask(data.cidr));
ret = adtfn(set, &data, timeout, flags);
struct hash_net6_elem {
union nf_inet_addr ip;
u16 padding0;
- u8 padding1;
+ u8 nomatch;
u8 cidr;
};
struct hash_net6_telem {
union nf_inet_addr ip;
u16 padding0;
- u8 padding1;
+ u8 nomatch;
u8 cidr;
unsigned long timeout;
};
{
dst->ip.in6 = src->ip.in6;
dst->cidr = src->cidr;
+ dst->nomatch = src->nomatch;
+}
+
+static inline void
+hash_net6_data_flags(struct hash_net6_elem *dst, u32 flags)
+{
+ dst->nomatch = flags & IPSET_FLAG_NOMATCH;
+}
+
+static inline bool
+hash_net6_data_match(const struct hash_net6_elem *elem)
+{
+ return !elem->nomatch;
}
static inline void
static bool
hash_net6_data_list(struct sk_buff *skb, const struct hash_net6_elem *data)
{
+ u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
+
NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &data->ip);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR, data->cidr);
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags));
return 0;
nla_put_failure:
{
const struct hash_net6_telem *e =
(const struct hash_net6_telem *)data;
+ u32 flags = data->nomatch ? IPSET_FLAG_NOMATCH : 0;
NLA_PUT_IPADDR6(skb, IPSET_ATTR_IP, &e->ip);
NLA_PUT_U8(skb, IPSET_ATTR_CIDR, e->cidr);
NLA_PUT_NET32(skb, IPSET_ATTR_TIMEOUT,
htonl(ip_set_timeout_get(e->timeout)));
+ if (flags)
+ NLA_PUT_NET32(skb, IPSET_ATTR_CADT_FLAGS, htonl(flags));
return 0;
nla_put_failure:
int ret;
if (unlikely(!tb[IPSET_ATTR_IP] ||
- !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT)))
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_TIMEOUT) ||
+ !ip_set_optattr_netorder(tb, IPSET_ATTR_CADT_FLAGS)))
return -IPSET_ERR_PROTOCOL;
if (unlikely(tb[IPSET_ATTR_IP_TO]))
return -IPSET_ERR_HASH_RANGE_UNSUPPORTED;
if (tb[IPSET_ATTR_CIDR])
data.cidr = nla_get_u8(tb[IPSET_ATTR_CIDR]);
- if (!data.cidr)
+ if (!data.cidr || data.cidr > HOST_MASK)
return -IPSET_ERR_INVALID_CIDR;
ip6_netmask(&data.ip, data.cidr);
timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
}
+ if (tb[IPSET_ATTR_CADT_FLAGS] && adt == IPSET_ADD) {
+ u32 cadt_flags = ip_set_get_h32(tb[IPSET_ATTR_CADT_FLAGS]);
+ if (cadt_flags & IPSET_FLAG_NOMATCH)
+ flags |= (cadt_flags << 16);
+ }
+
ret = adtfn(set, &data, timeout, flags);
return ip_set_eexist(ret, flags) ? 0 : ret;
u32 hashsize = IPSET_DEFAULT_HASHSIZE, maxelem = IPSET_DEFAULT_MAXELEM;
struct ip_set_hash *h;
u8 hbits;
+ size_t hsize;
- if (!(set->family == AF_INET || set->family == AF_INET6))
+ if (!(set->family == NFPROTO_IPV4 || set->family == NFPROTO_IPV6))
return -IPSET_ERR_INVALID_FAMILY;
if (unlikely(!ip_set_optattr_netorder(tb, IPSET_ATTR_HASHSIZE) ||
h = kzalloc(sizeof(*h)
+ sizeof(struct ip_set_hash_nets)
- * (set->family == AF_INET ? 32 : 128), GFP_KERNEL);
+ * (set->family == NFPROTO_IPV4 ? 32 : 128), GFP_KERNEL);
if (!h)
return -ENOMEM;
h->timeout = IPSET_NO_TIMEOUT;
hbits = htable_bits(hashsize);
- h->table = ip_set_alloc(
- sizeof(struct htable)
- + jhash_size(hbits) * sizeof(struct hbucket));
+ hsize = htable_size(hbits);
+ if (hsize == 0) {
+ kfree(h);
+ return -ENOMEM;
+ }
+ h->table = ip_set_alloc(hsize);
if (!h->table) {
kfree(h);
return -ENOMEM;
if (tb[IPSET_ATTR_TIMEOUT]) {
h->timeout = ip_set_timeout_uget(tb[IPSET_ATTR_TIMEOUT]);
- set->variant = set->family == AF_INET
+ set->variant = set->family == NFPROTO_IPV4
? &hash_net4_tvariant : &hash_net6_tvariant;
- if (set->family == AF_INET)
+ if (set->family == NFPROTO_IPV4)
hash_net4_gc_init(set);
else
hash_net6_gc_init(set);
} else {
- set->variant = set->family == AF_INET
+ set->variant = set->family == NFPROTO_IPV4
? &hash_net4_variant : &hash_net6_variant;
}
.protocol = IPSET_PROTOCOL,
.features = IPSET_TYPE_IP,
.dimension = IPSET_DIM_ONE,
- .family = AF_UNSPEC,
+ .family = NFPROTO_UNSPEC,
.revision_min = 0,
- .revision_max = 1, /* Range as input support for IPv4 added */
+ /* = 1 Range as input support for IPv4 added */
+ .revision_max = 2, /* nomatch flag support added */
.create = hash_net_create,
.create_policy = {
[IPSET_ATTR_HASHSIZE] = { .type = NLA_U32 },
[IPSET_ATTR_IP_TO] = { .type = NLA_NESTED },
[IPSET_ATTR_CIDR] = { .type = NLA_U8 },
[IPSET_ATTR_TIMEOUT] = { .type = NLA_U32 },
+ [IPSET_ATTR_CADT_FLAGS] = { .type = NLA_U32 },
},
.me = THIS_MODULE,
};