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-rw-r--r--net/ipv6/netfilter/ip6_queue.c2
-rw-r--r--net/ipv6/netfilter/ip6_tables.c168
2 files changed, 85 insertions, 85 deletions
diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c
index b693f841aeb..1cf3f0c6a95 100644
--- a/net/ipv6/netfilter/ip6_queue.c
+++ b/net/ipv6/netfilter/ip6_queue.c
@@ -598,7 +598,7 @@ static int __init ip6_queue_init(void)
#ifdef CONFIG_SYSCTL
ipq_sysctl_header = register_sysctl_paths(net_ipv6_ctl_path, ipq_table);
#endif
- status = nf_register_queue_handler(PF_INET6, &nfqh);
+ status = nf_register_queue_handler(NFPROTO_IPV6, &nfqh);
if (status < 0) {
printk(KERN_ERR "ip6_queue: failed to register queue handler\n");
goto cleanup_sysctl;
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 219e165aea1..5164e0bf3bc 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -270,8 +270,8 @@ static struct nf_loginfo trace_loginfo = {
/* Mildly perf critical (only if packet tracing is on) */
static inline int
get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e,
- char *hookname, char **chainname,
- char **comment, unsigned int *rulenum)
+ const char *hookname, const char **chainname,
+ const char **comment, unsigned int *rulenum)
{
struct ip6t_standard_target *t = (void *)ip6t_get_target(s);
@@ -289,8 +289,8 @@ get_chainname_rulenum(struct ip6t_entry *s, struct ip6t_entry *e,
&& unconditional(&s->ipv6)) {
/* Tail of chains: STANDARD target (return/policy) */
*comment = *chainname == hookname
- ? (char *)comments[NF_IP6_TRACE_COMMENT_POLICY]
- : (char *)comments[NF_IP6_TRACE_COMMENT_RETURN];
+ ? comments[NF_IP6_TRACE_COMMENT_POLICY]
+ : comments[NF_IP6_TRACE_COMMENT_RETURN];
}
return 1;
} else
@@ -309,14 +309,14 @@ static void trace_packet(struct sk_buff *skb,
{
void *table_base;
const struct ip6t_entry *root;
- char *hookname, *chainname, *comment;
+ const char *hookname, *chainname, *comment;
unsigned int rulenum = 0;
- table_base = (void *)private->entries[smp_processor_id()];
+ table_base = private->entries[smp_processor_id()];
root = get_entry(table_base, private->hook_entry[hook]);
- hookname = chainname = (char *)hooknames[hook];
- comment = (char *)comments[NF_IP6_TRACE_COMMENT_RULE];
+ hookname = chainname = hooknames[hook];
+ comment = comments[NF_IP6_TRACE_COMMENT_RULE];
IP6T_ENTRY_ITERATE(root,
private->size - private->hook_entry[hook],
@@ -329,6 +329,12 @@ static void trace_packet(struct sk_buff *skb,
}
#endif
+static inline __pure struct ip6t_entry *
+ip6t_next_entry(const struct ip6t_entry *entry)
+{
+ return (void *)entry + entry->next_offset;
+}
+
/* Returns one of the generic firewall policies, like NF_ACCEPT. */
unsigned int
ip6t_do_table(struct sk_buff *skb,
@@ -337,6 +343,8 @@ ip6t_do_table(struct sk_buff *skb,
const struct net_device *out,
struct xt_table *table)
{
+#define tb_comefrom ((struct ip6t_entry *)table_base)->comefrom
+
static const char nulldevname[IFNAMSIZ] __attribute__((aligned(sizeof(long))));
bool hotdrop = false;
/* Initializing verdict to NF_DROP keeps gcc happy. */
@@ -375,96 +383,86 @@ ip6t_do_table(struct sk_buff *skb,
back = get_entry(table_base, private->underflow[hook]);
do {
+ struct ip6t_entry_target *t;
+
IP_NF_ASSERT(e);
IP_NF_ASSERT(back);
- if (ip6_packet_match(skb, indev, outdev, &e->ipv6,
- &mtpar.thoff, &mtpar.fragoff, &hotdrop)) {
- struct ip6t_entry_target *t;
-
- if (IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0)
- goto no_match;
+ if (!ip6_packet_match(skb, indev, outdev, &e->ipv6,
+ &mtpar.thoff, &mtpar.fragoff, &hotdrop) ||
+ IP6T_MATCH_ITERATE(e, do_match, skb, &mtpar) != 0) {
+ e = ip6t_next_entry(e);
+ continue;
+ }
- ADD_COUNTER(e->counters,
- ntohs(ipv6_hdr(skb)->payload_len) +
- sizeof(struct ipv6hdr), 1);
+ ADD_COUNTER(e->counters,
+ ntohs(ipv6_hdr(skb)->payload_len) +
+ sizeof(struct ipv6hdr), 1);
- t = ip6t_get_target(e);
- IP_NF_ASSERT(t->u.kernel.target);
+ t = ip6t_get_target(e);
+ IP_NF_ASSERT(t->u.kernel.target);
#if defined(CONFIG_NETFILTER_XT_TARGET_TRACE) || \
defined(CONFIG_NETFILTER_XT_TARGET_TRACE_MODULE)
- /* The packet is traced: log it */
- if (unlikely(skb->nf_trace))
- trace_packet(skb, hook, in, out,
- table->name, private, e);
+ /* The packet is traced: log it */
+ if (unlikely(skb->nf_trace))
+ trace_packet(skb, hook, in, out,
+ table->name, private, e);
#endif
- /* Standard target? */
- if (!t->u.kernel.target->target) {
- int v;
-
- v = ((struct ip6t_standard_target *)t)->verdict;
- if (v < 0) {
- /* Pop from stack? */
- if (v != IP6T_RETURN) {
- verdict = (unsigned)(-v) - 1;
- break;
- }
- e = back;
- back = get_entry(table_base,
- back->comefrom);
- continue;
- }
- if (table_base + v != (void *)e + e->next_offset
- && !(e->ipv6.flags & IP6T_F_GOTO)) {
- /* Save old back ptr in next entry */
- struct ip6t_entry *next
- = (void *)e + e->next_offset;
- next->comefrom
- = (void *)back - table_base;
- /* set back pointer to next entry */
- back = next;
+ /* Standard target? */
+ if (!t->u.kernel.target->target) {
+ int v;
+
+ v = ((struct ip6t_standard_target *)t)->verdict;
+ if (v < 0) {
+ /* Pop from stack? */
+ if (v != IP6T_RETURN) {
+ verdict = (unsigned)(-v) - 1;
+ break;
}
+ e = back;
+ back = get_entry(table_base, back->comefrom);
+ continue;
+ }
+ if (table_base + v != ip6t_next_entry(e)
+ && !(e->ipv6.flags & IP6T_F_GOTO)) {
+ /* Save old back ptr in next entry */
+ struct ip6t_entry *next = ip6t_next_entry(e);
+ next->comefrom = (void *)back - table_base;
+ /* set back pointer to next entry */
+ back = next;
+ }
- e = get_entry(table_base, v);
- } else {
- /* Targets which reenter must return
- abs. verdicts */
- tgpar.target = t->u.kernel.target;
- tgpar.targinfo = t->data;
+ e = get_entry(table_base, v);
+ continue;
+ }
-#ifdef CONFIG_NETFILTER_DEBUG
- ((struct ip6t_entry *)table_base)->comefrom
- = 0xeeeeeeec;
-#endif
- verdict = t->u.kernel.target->target(skb,
- &tgpar);
+ /* Targets which reenter must return
+ abs. verdicts */
+ tgpar.target = t->u.kernel.target;
+ tgpar.targinfo = t->data;
#ifdef CONFIG_NETFILTER_DEBUG
- if (((struct ip6t_entry *)table_base)->comefrom
- != 0xeeeeeeec
- && verdict == IP6T_CONTINUE) {
- printk("Target %s reentered!\n",
- t->u.kernel.target->name);
- verdict = NF_DROP;
- }
- ((struct ip6t_entry *)table_base)->comefrom
- = 0x57acc001;
+ tb_comefrom = 0xeeeeeeec;
#endif
- if (verdict == IP6T_CONTINUE)
- e = (void *)e + e->next_offset;
- else
- /* Verdict */
- break;
- }
- } else {
+ verdict = t->u.kernel.target->target(skb, &tgpar);
- no_match:
- e = (void *)e + e->next_offset;
+#ifdef CONFIG_NETFILTER_DEBUG
+ if (tb_comefrom != 0xeeeeeeec && verdict == IP6T_CONTINUE) {
+ printk("Target %s reentered!\n",
+ t->u.kernel.target->name);
+ verdict = NF_DROP;
}
+ tb_comefrom = 0x57acc001;
+#endif
+ if (verdict == IP6T_CONTINUE)
+ e = ip6t_next_entry(e);
+ else
+ /* Verdict */
+ break;
} while (!hotdrop);
#ifdef CONFIG_NETFILTER_DEBUG
- ((struct ip6t_entry *)table_base)->comefrom = NETFILTER_LINK_POISON;
+ tb_comefrom = NETFILTER_LINK_POISON;
#endif
xt_info_rdunlock_bh();
@@ -475,6 +473,8 @@ ip6t_do_table(struct sk_buff *skb,
return NF_DROP;
else return verdict;
#endif
+
+#undef tb_comefrom
}
/* Figures out from what hook each rule can be called: returns 0 if
@@ -2191,7 +2191,7 @@ static bool icmp6_checkentry(const struct xt_mtchk_param *par)
static struct xt_target ip6t_standard_target __read_mostly = {
.name = IP6T_STANDARD_TARGET,
.targetsize = sizeof(int),
- .family = AF_INET6,
+ .family = NFPROTO_IPV6,
#ifdef CONFIG_COMPAT
.compatsize = sizeof(compat_int_t),
.compat_from_user = compat_standard_from_user,
@@ -2203,7 +2203,7 @@ static struct xt_target ip6t_error_target __read_mostly = {
.name = IP6T_ERROR_TARGET,
.target = ip6t_error,
.targetsize = IP6T_FUNCTION_MAXNAMELEN,
- .family = AF_INET6,
+ .family = NFPROTO_IPV6,
};
static struct nf_sockopt_ops ip6t_sockopts = {
@@ -2229,17 +2229,17 @@ static struct xt_match icmp6_matchstruct __read_mostly = {
.matchsize = sizeof(struct ip6t_icmp),
.checkentry = icmp6_checkentry,
.proto = IPPROTO_ICMPV6,
- .family = AF_INET6,
+ .family = NFPROTO_IPV6,
};
static int __net_init ip6_tables_net_init(struct net *net)
{
- return xt_proto_init(net, AF_INET6);
+ return xt_proto_init(net, NFPROTO_IPV6);
}
static void __net_exit ip6_tables_net_exit(struct net *net)
{
- xt_proto_fini(net, AF_INET6);
+ xt_proto_fini(net, NFPROTO_IPV6);
}
static struct pernet_operations ip6_tables_net_ops = {
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-07 10:37:07 +0000