static int ipv4_pkt_to_tuple(const struct sk_buff *skb, unsigned int nhoff,
struct nf_conntrack_tuple *tuple)
{
- __be32 _addrs[2], *ap;
+ const __be32 *ap;
+ __be32 _addrs[2];
ap = skb_header_pointer(skb, nhoff + offsetof(struct iphdr, saddr),
sizeof(u_int32_t) * 2, _addrs);
if (ap == NULL)
NIPQUAD(tuple->dst.u3.ip));
}
-static int ipv4_print_conntrack(struct seq_file *s,
- const struct nf_conn *conntrack)
-{
- return 0;
-}
-
/* Returns new sk_buff, or NULL */
static int nf_ct_ipv4_gather_frags(struct sk_buff *skb, u_int32_t user)
{
static int ipv4_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
unsigned int *dataoff, u_int8_t *protonum)
{
- struct iphdr _iph, *iph;
+ const struct iphdr *iph;
+ struct iphdr _iph;
iph = skb_header_pointer(skb, nhoff, sizeof(_iph), &_iph);
if (iph == NULL)
{
struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
- struct nf_conn_help *help;
- struct nf_conntrack_helper *helper;
+ const struct nf_conn_help *help;
+ const struct nf_conntrack_helper *helper;
/* This is where we call the helper: as the packet goes out. */
ct = nf_ct_get(skb, &ctinfo);
/* Gather fragments. */
if (ip_hdr(skb)->frag_off & htons(IP_MF | IP_OFFSET)) {
if (nf_ct_ipv4_gather_frags(skb,
- hooknum == NF_IP_PRE_ROUTING ?
+ hooknum == NF_INET_PRE_ROUTING ?
IP_DEFRAG_CONNTRACK_IN :
IP_DEFRAG_CONNTRACK_OUT))
return NF_STOLEN;
/* Connection tracking may drop packets, but never alters them, so
make it the first hook. */
-static struct nf_hook_ops ipv4_conntrack_ops[] = {
+static struct nf_hook_ops ipv4_conntrack_ops[] __read_mostly = {
{
.hook = ipv4_conntrack_defrag,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
+ .hooknum = NF_INET_PRE_ROUTING,
.priority = NF_IP_PRI_CONNTRACK_DEFRAG,
},
{
.hook = ipv4_conntrack_in,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_PRE_ROUTING,
+ .hooknum = NF_INET_PRE_ROUTING,
.priority = NF_IP_PRI_CONNTRACK,
},
{
.hook = ipv4_conntrack_defrag,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
+ .hooknum = NF_INET_LOCAL_OUT,
.priority = NF_IP_PRI_CONNTRACK_DEFRAG,
},
{
.hook = ipv4_conntrack_local,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_LOCAL_OUT,
+ .hooknum = NF_INET_LOCAL_OUT,
.priority = NF_IP_PRI_CONNTRACK,
},
{
.hook = ipv4_conntrack_help,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
+ .hooknum = NF_INET_POST_ROUTING,
.priority = NF_IP_PRI_CONNTRACK_HELPER,
},
{
.hook = ipv4_conntrack_help,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
+ .hooknum = NF_INET_LOCAL_IN,
.priority = NF_IP_PRI_CONNTRACK_HELPER,
},
{
.hook = ipv4_confirm,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_POST_ROUTING,
+ .hooknum = NF_INET_POST_ROUTING,
.priority = NF_IP_PRI_CONNTRACK_CONFIRM,
},
{
.hook = ipv4_confirm,
.owner = THIS_MODULE,
.pf = PF_INET,
- .hooknum = NF_IP_LOCAL_IN,
+ .hooknum = NF_INET_LOCAL_IN,
.priority = NF_IP_PRI_CONNTRACK_CONFIRM,
},
};
static int
getorigdst(struct sock *sk, int optval, void __user *user, int *len)
{
- struct inet_sock *inet = inet_sk(sk);
- struct nf_conntrack_tuple_hash *h;
+ const struct inet_sock *inet = inet_sk(sk);
+ const struct nf_conntrack_tuple_hash *h;
struct nf_conntrack_tuple tuple;
NF_CT_TUPLE_U_BLANK(&tuple);
static int ipv4_tuple_to_nlattr(struct sk_buff *skb,
const struct nf_conntrack_tuple *tuple)
{
- NLA_PUT(skb, CTA_IP_V4_SRC, sizeof(u_int32_t),
- &tuple->src.u3.ip);
- NLA_PUT(skb, CTA_IP_V4_DST, sizeof(u_int32_t),
- &tuple->dst.u3.ip);
+ NLA_PUT_BE32(skb, CTA_IP_V4_SRC, tuple->src.u3.ip);
+ NLA_PUT_BE32(skb, CTA_IP_V4_DST, tuple->dst.u3.ip);
return 0;
nla_put_failure:
if (!tb[CTA_IP_V4_SRC] || !tb[CTA_IP_V4_DST])
return -EINVAL;
- t->src.u3.ip = *(__be32 *)nla_data(tb[CTA_IP_V4_SRC]);
- t->dst.u3.ip = *(__be32 *)nla_data(tb[CTA_IP_V4_DST]);
+ t->src.u3.ip = nla_get_be32(tb[CTA_IP_V4_SRC]);
+ t->dst.u3.ip = nla_get_be32(tb[CTA_IP_V4_DST]);
return 0;
}
.pkt_to_tuple = ipv4_pkt_to_tuple,
.invert_tuple = ipv4_invert_tuple,
.print_tuple = ipv4_print_tuple,
- .print_conntrack = ipv4_print_conntrack,
.get_l4proto = ipv4_get_l4proto,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
.tuple_to_nlattr = ipv4_tuple_to_nlattr,
.me = THIS_MODULE,
};
+module_param_call(hashsize, nf_conntrack_set_hashsize, param_get_uint,
+ &nf_conntrack_htable_size, 0600);
+
MODULE_ALIAS("nf_conntrack-" __stringify(AF_INET));
MODULE_ALIAS("ip_conntrack");
MODULE_LICENSE("GPL");