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-rw-r--r--net/ipv6/netfilter/ip6t_SYNPROXY.c2
-rw-r--r--net/ipv6/netfilter/ip6table_filter.c5
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c10
-rw-r--r--net/ipv6/netfilter/ip6table_nat.c27
-rw-r--r--net/ipv6/netfilter/ip6table_raw.c5
-rw-r--r--net/ipv6/netfilter/ip6table_security.c5
-rw-r--r--net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c14
-rw-r--r--net/ipv6/netfilter/nf_defrag_ipv6_hooks.c6
8 files changed, 40 insertions, 34 deletions
diff --git a/net/ipv6/netfilter/ip6t_SYNPROXY.c b/net/ipv6/netfilter/ip6t_SYNPROXY.c
index 2748b042da72..bf9f612c1bc2 100644
--- a/net/ipv6/netfilter/ip6t_SYNPROXY.c
+++ b/net/ipv6/netfilter/ip6t_SYNPROXY.c
@@ -312,7 +312,7 @@ synproxy_tg6(struct sk_buff *skb, const struct xt_action_param *par)
return XT_CONTINUE;
}
-static unsigned int ipv6_synproxy_hook(unsigned int hooknum,
+static unsigned int ipv6_synproxy_hook(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
diff --git a/net/ipv6/netfilter/ip6table_filter.c b/net/ipv6/netfilter/ip6table_filter.c
index 29b44b14c5ea..ca7f6c128086 100644
--- a/net/ipv6/netfilter/ip6table_filter.c
+++ b/net/ipv6/netfilter/ip6table_filter.c
@@ -32,13 +32,14 @@ static const struct xt_table packet_filter = {
/* The work comes in here from netfilter.c. */
static unsigned int
-ip6table_filter_hook(unsigned int hook, struct sk_buff *skb,
+ip6table_filter_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
const struct net *net = dev_net((in != NULL) ? in : out);
- return ip6t_do_table(skb, hook, in, out, net->ipv6.ip6table_filter);
+ return ip6t_do_table(skb, ops->hooknum, in, out,
+ net->ipv6.ip6table_filter);
}
static struct nf_hook_ops *filter_ops __read_mostly;
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index c705907ae6ab..307bbb782d14 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -76,17 +76,17 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
/* The work comes in here from netfilter.c. */
static unsigned int
-ip6table_mangle_hook(unsigned int hook, struct sk_buff *skb,
+ip6table_mangle_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- if (hook == NF_INET_LOCAL_OUT)
+ if (ops->hooknum == NF_INET_LOCAL_OUT)
return ip6t_mangle_out(skb, out);
- if (hook == NF_INET_POST_ROUTING)
- return ip6t_do_table(skb, hook, in, out,
+ if (ops->hooknum == NF_INET_POST_ROUTING)
+ return ip6t_do_table(skb, ops->hooknum, in, out,
dev_net(out)->ipv6.ip6table_mangle);
/* INPUT/FORWARD */
- return ip6t_do_table(skb, hook, in, out,
+ return ip6t_do_table(skb, ops->hooknum, in, out,
dev_net(in)->ipv6.ip6table_mangle);
}
diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c
index 9b076d2d3a7b..84c7f33d0cf8 100644
--- a/net/ipv6/netfilter/ip6table_nat.c
+++ b/net/ipv6/netfilter/ip6table_nat.c
@@ -63,7 +63,7 @@ static unsigned int nf_nat_rule_find(struct sk_buff *skb, unsigned int hooknum,
}
static unsigned int
-nf_nat_ipv6_fn(unsigned int hooknum,
+nf_nat_ipv6_fn(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -72,7 +72,7 @@ nf_nat_ipv6_fn(unsigned int hooknum,
struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
struct nf_conn_nat *nat;
- enum nf_nat_manip_type maniptype = HOOK2MANIP(hooknum);
+ enum nf_nat_manip_type maniptype = HOOK2MANIP(ops->hooknum);
__be16 frag_off;
int hdrlen;
u8 nexthdr;
@@ -111,7 +111,8 @@ nf_nat_ipv6_fn(unsigned int hooknum,
if (hdrlen >= 0 && nexthdr == IPPROTO_ICMPV6) {
if (!nf_nat_icmpv6_reply_translation(skb, ct, ctinfo,
- hooknum, hdrlen))
+ ops->hooknum,
+ hdrlen))
return NF_DROP;
else
return NF_ACCEPT;
@@ -124,14 +125,14 @@ nf_nat_ipv6_fn(unsigned int hooknum,
if (!nf_nat_initialized(ct, maniptype)) {
unsigned int ret;
- ret = nf_nat_rule_find(skb, hooknum, in, out, ct);
+ ret = nf_nat_rule_find(skb, ops->hooknum, in, out, ct);
if (ret != NF_ACCEPT)
return ret;
} else {
pr_debug("Already setup manip %s for ct %p\n",
maniptype == NF_NAT_MANIP_SRC ? "SRC" : "DST",
ct);
- if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ if (nf_nat_oif_changed(ops->hooknum, ctinfo, nat, out))
goto oif_changed;
}
break;
@@ -140,11 +141,11 @@ nf_nat_ipv6_fn(unsigned int hooknum,
/* ESTABLISHED */
NF_CT_ASSERT(ctinfo == IP_CT_ESTABLISHED ||
ctinfo == IP_CT_ESTABLISHED_REPLY);
- if (nf_nat_oif_changed(hooknum, ctinfo, nat, out))
+ if (nf_nat_oif_changed(ops->hooknum, ctinfo, nat, out))
goto oif_changed;
}
- return nf_nat_packet(ct, ctinfo, hooknum, skb);
+ return nf_nat_packet(ct, ctinfo, ops->hooknum, skb);
oif_changed:
nf_ct_kill_acct(ct, ctinfo, skb);
@@ -152,7 +153,7 @@ oif_changed:
}
static unsigned int
-nf_nat_ipv6_in(unsigned int hooknum,
+nf_nat_ipv6_in(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -161,7 +162,7 @@ nf_nat_ipv6_in(unsigned int hooknum,
unsigned int ret;
struct in6_addr daddr = ipv6_hdr(skb)->daddr;
- ret = nf_nat_ipv6_fn(hooknum, skb, in, out, okfn);
+ ret = nf_nat_ipv6_fn(ops, skb, in, out, okfn);
if (ret != NF_DROP && ret != NF_STOLEN &&
ipv6_addr_cmp(&daddr, &ipv6_hdr(skb)->daddr))
skb_dst_drop(skb);
@@ -170,7 +171,7 @@ nf_nat_ipv6_in(unsigned int hooknum,
}
static unsigned int
-nf_nat_ipv6_out(unsigned int hooknum,
+nf_nat_ipv6_out(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -187,7 +188,7 @@ nf_nat_ipv6_out(unsigned int hooknum,
if (skb->len < sizeof(struct ipv6hdr))
return NF_ACCEPT;
- ret = nf_nat_ipv6_fn(hooknum, skb, in, out, okfn);
+ ret = nf_nat_ipv6_fn(ops, skb, in, out, okfn);
#ifdef CONFIG_XFRM
if (ret != NF_DROP && ret != NF_STOLEN &&
!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
@@ -209,7 +210,7 @@ nf_nat_ipv6_out(unsigned int hooknum,
}
static unsigned int
-nf_nat_ipv6_local_fn(unsigned int hooknum,
+nf_nat_ipv6_local_fn(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -224,7 +225,7 @@ nf_nat_ipv6_local_fn(unsigned int hooknum,
if (skb->len < sizeof(struct ipv6hdr))
return NF_ACCEPT;
- ret = nf_nat_ipv6_fn(hooknum, skb, in, out, okfn);
+ ret = nf_nat_ipv6_fn(ops, skb, in, out, okfn);
if (ret != NF_DROP && ret != NF_STOLEN &&
(ct = nf_ct_get(skb, &ctinfo)) != NULL) {
enum ip_conntrack_dir dir = CTINFO2DIR(ctinfo);
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
index 9a626d86720f..5274740acecc 100644
--- a/net/ipv6/netfilter/ip6table_raw.c
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -19,13 +19,14 @@ static const struct xt_table packet_raw = {
/* The work comes in here from netfilter.c. */
static unsigned int
-ip6table_raw_hook(unsigned int hook, struct sk_buff *skb,
+ip6table_raw_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
const struct net_device *in, const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
const struct net *net = dev_net((in != NULL) ? in : out);
- return ip6t_do_table(skb, hook, in, out, net->ipv6.ip6table_raw);
+ return ip6t_do_table(skb, ops->hooknum, in, out,
+ net->ipv6.ip6table_raw);
}
static struct nf_hook_ops *rawtable_ops __read_mostly;
diff --git a/net/ipv6/netfilter/ip6table_security.c b/net/ipv6/netfilter/ip6table_security.c
index ce88d1d7e525..ab3b0219ecfa 100644
--- a/net/ipv6/netfilter/ip6table_security.c
+++ b/net/ipv6/netfilter/ip6table_security.c
@@ -36,14 +36,15 @@ static const struct xt_table security_table = {
};
static unsigned int
-ip6table_security_hook(unsigned int hook, struct sk_buff *skb,
+ip6table_security_hook(const struct nf_hook_ops *ops, struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
const struct net *net = dev_net((in != NULL) ? in : out);
- return ip6t_do_table(skb, hook, in, out, net->ipv6.ip6table_security);
+ return ip6t_do_table(skb, ops->hooknum, in, out,
+ net->ipv6.ip6table_security);
}
static struct nf_hook_ops *sectbl_ops __read_mostly;
diff --git a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
index 54b75ead5a69..486545eb42ce 100644
--- a/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
+++ b/net/ipv6/netfilter/nf_conntrack_l3proto_ipv6.c
@@ -95,7 +95,7 @@ static int ipv6_get_l4proto(const struct sk_buff *skb, unsigned int nhoff,
return NF_ACCEPT;
}
-static unsigned int ipv6_helper(unsigned int hooknum,
+static unsigned int ipv6_helper(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -133,7 +133,7 @@ static unsigned int ipv6_helper(unsigned int hooknum,
return helper->help(skb, protoff, ct, ctinfo);
}
-static unsigned int ipv6_confirm(unsigned int hooknum,
+static unsigned int ipv6_confirm(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -219,16 +219,17 @@ static unsigned int __ipv6_conntrack_in(struct net *net,
return nf_conntrack_in(net, PF_INET6, hooknum, skb);
}
-static unsigned int ipv6_conntrack_in(unsigned int hooknum,
+static unsigned int ipv6_conntrack_in(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
int (*okfn)(struct sk_buff *))
{
- return __ipv6_conntrack_in(dev_net(in), hooknum, skb, in, out, okfn);
+ return __ipv6_conntrack_in(dev_net(in), ops->hooknum, skb, in, out,
+ okfn);
}
-static unsigned int ipv6_conntrack_local(unsigned int hooknum,
+static unsigned int ipv6_conntrack_local(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -239,7 +240,8 @@ static unsigned int ipv6_conntrack_local(unsigned int hooknum,
net_notice_ratelimited("ipv6_conntrack_local: packet too short\n");
return NF_ACCEPT;
}
- return __ipv6_conntrack_in(dev_net(out), hooknum, skb, in, out, okfn);
+ return __ipv6_conntrack_in(dev_net(out), ops->hooknum, skb, in, out,
+ okfn);
}
static struct nf_hook_ops ipv6_conntrack_ops[] __read_mostly = {
diff --git a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
index aacd121fe8c5..ec483aa3f60f 100644
--- a/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
+++ b/net/ipv6/netfilter/nf_defrag_ipv6_hooks.c
@@ -52,7 +52,7 @@ static enum ip6_defrag_users nf_ct6_defrag_user(unsigned int hooknum,
}
-static unsigned int ipv6_defrag(unsigned int hooknum,
+static unsigned int ipv6_defrag(const struct nf_hook_ops *ops,
struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
@@ -66,7 +66,7 @@ static unsigned int ipv6_defrag(unsigned int hooknum,
return NF_ACCEPT;
#endif
- reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(hooknum, skb));
+ reasm = nf_ct_frag6_gather(skb, nf_ct6_defrag_user(ops->hooknum, skb));
/* queued */
if (reasm == NULL)
return NF_STOLEN;
@@ -75,7 +75,7 @@ static unsigned int ipv6_defrag(unsigned int hooknum,
if (reasm == skb)
return NF_ACCEPT;
- nf_ct_frag6_output(hooknum, reasm, (struct net_device *)in,
+ nf_ct_frag6_output(ops->hooknum, reasm, (struct net_device *)in,
(struct net_device *)out, okfn);
return NF_STOLEN;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.