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authorJan Engelhardt <jengelh@medozas.de>2008-10-08 11:35:19 +0200
committerPatrick McHardy <kaber@trash.net>2008-10-08 11:35:19 +0200
commit7eb3558655aaa87a3e71a0c065dfaddda521fa6d (patch)
tree724466c66c96f14b0378fab87040d8393bc05c8b /net/ipv6
parent6be3d8598e883fb632edf059ba2f8d1b9f4da138 (diff)
downloadop-kernel-dev-7eb3558655aaa87a3e71a0c065dfaddda521fa6d.zip
op-kernel-dev-7eb3558655aaa87a3e71a0c065dfaddda521fa6d.tar.gz
netfilter: xtables: move extension arguments into compound structure (4/6)
This patch does this for target extensions' target functions. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/ipv6')
-rw-r--r--net/ipv6/netfilter/ip6_tables.c24
-rw-r--r--net/ipv6/netfilter/ip6t_HL.c6
-rw-r--r--net/ipv6/netfilter/ip6t_LOG.c8
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c18
4 files changed, 24 insertions, 32 deletions
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 891358e..ee0986c 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -200,15 +200,11 @@ ip6_checkentry(const struct ip6t_ip6 *ipv6)
}
static unsigned int
-ip6t_error(struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- unsigned int hooknum,
- const struct xt_target *target,
- const void *targinfo)
+ip6t_error(struct sk_buff *skb, const struct xt_target_param *par)
{
if (net_ratelimit())
- printk("ip6_tables: error: `%s'\n", (char *)targinfo);
+ printk("ip6_tables: error: `%s'\n",
+ (const char *)par->targinfo);
return NF_DROP;
}
@@ -360,6 +356,7 @@ ip6t_do_table(struct sk_buff *skb,
struct ip6t_entry *e, *back;
struct xt_table_info *private;
struct xt_match_param mtpar;
+ struct xt_target_param tgpar;
/* Initialization */
indev = in ? in->name : nulldevname;
@@ -371,8 +368,9 @@ ip6t_do_table(struct sk_buff *skb,
* rule is also a fragment-specific rule, non-fragments won't
* match it. */
mtpar.hotdrop = &hotdrop;
- mtpar.in = in;
- mtpar.out = out;
+ mtpar.in = tgpar.in = in;
+ mtpar.out = tgpar.out = out;
+ tgpar.hooknum = hook;
read_lock_bh(&table->lock);
IP_NF_ASSERT(table->valid_hooks & (1 << hook));
@@ -438,15 +436,15 @@ ip6t_do_table(struct sk_buff *skb,
} else {
/* Targets which reenter must return
abs. verdicts */
+ tgpar.target = t->u.kernel.target;
+ tgpar.targinfo = t->data;
+
#ifdef CONFIG_NETFILTER_DEBUG
((struct ip6t_entry *)table_base)->comefrom
= 0xeeeeeeec;
#endif
verdict = t->u.kernel.target->target(skb,
- in, out,
- hook,
- t->u.kernel.target,
- t->data);
+ &tgpar);
#ifdef CONFIG_NETFILTER_DEBUG
if (((struct ip6t_entry *)table_base)->comefrom
diff --git a/net/ipv6/netfilter/ip6t_HL.c b/net/ipv6/netfilter/ip6t_HL.c
index 7eebd35..ac759a5 100644
--- a/net/ipv6/netfilter/ip6t_HL.c
+++ b/net/ipv6/netfilter/ip6t_HL.c
@@ -19,12 +19,10 @@ MODULE_DESCRIPTION("Xtables: IPv6 Hop Limit field modification target");
MODULE_LICENSE("GPL");
static unsigned int
-hl_tg6(struct sk_buff *skb, const struct net_device *in,
- const struct net_device *out, unsigned int hooknum,
- const struct xt_target *target, const void *targinfo)
+hl_tg6(struct sk_buff *skb, const struct xt_target_param *par)
{
struct ipv6hdr *ip6h;
- const struct ip6t_HL_info *info = targinfo;
+ const struct ip6t_HL_info *info = par->targinfo;
int new_hl;
if (!skb_make_writable(skb, skb->len))
diff --git a/net/ipv6/netfilter/ip6t_LOG.c b/net/ipv6/netfilter/ip6t_LOG.c
index fd148f3..a31d3ec 100644
--- a/net/ipv6/netfilter/ip6t_LOG.c
+++ b/net/ipv6/netfilter/ip6t_LOG.c
@@ -438,18 +438,16 @@ ip6t_log_packet(u_int8_t pf,
}
static unsigned int
-log_tg6(struct sk_buff *skb, const struct net_device *in,
- const struct net_device *out, unsigned int hooknum,
- const struct xt_target *target, const void *targinfo)
+log_tg6(struct sk_buff *skb, const struct xt_target_param *par)
{
- const struct ip6t_log_info *loginfo = targinfo;
+ const struct ip6t_log_info *loginfo = par->targinfo;
struct nf_loginfo li;
li.type = NF_LOG_TYPE_LOG;
li.u.log.level = loginfo->level;
li.u.log.logflags = loginfo->logflags;
- ip6t_log_packet(NFPROTO_IPV6, hooknum, skb, in, out,
+ ip6t_log_packet(NFPROTO_IPV6, par->hooknum, skb, par->in, par->out,
&li, loginfo->prefix);
return XT_CONTINUE;
}
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index f1a9fce..1d5f3a7 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -173,12 +173,10 @@ send_unreach(struct net *net, struct sk_buff *skb_in, unsigned char code,
}
static unsigned int
-reject_tg6(struct sk_buff *skb, const struct net_device *in,
- const struct net_device *out, unsigned int hooknum,
- const struct xt_target *target, const void *targinfo)
+reject_tg6(struct sk_buff *skb, const struct xt_target_param *par)
{
- const struct ip6t_reject_info *reject = targinfo;
- struct net *net = dev_net(in ? in : out);
+ const struct ip6t_reject_info *reject = par->targinfo;
+ struct net *net = dev_net((par->in != NULL) ? par->in : par->out);
pr_debug("%s: medium point\n", __func__);
/* WARNING: This code causes reentry within ip6tables.
@@ -186,19 +184,19 @@ reject_tg6(struct sk_buff *skb, const struct net_device *in,
must return an absolute verdict. --RR */
switch (reject->with) {
case IP6T_ICMP6_NO_ROUTE:
- send_unreach(net, skb, ICMPV6_NOROUTE, hooknum);
+ send_unreach(net, skb, ICMPV6_NOROUTE, par->hooknum);
break;
case IP6T_ICMP6_ADM_PROHIBITED:
- send_unreach(net, skb, ICMPV6_ADM_PROHIBITED, hooknum);
+ send_unreach(net, skb, ICMPV6_ADM_PROHIBITED, par->hooknum);
break;
case IP6T_ICMP6_NOT_NEIGHBOUR:
- send_unreach(net, skb, ICMPV6_NOT_NEIGHBOUR, hooknum);
+ send_unreach(net, skb, ICMPV6_NOT_NEIGHBOUR, par->hooknum);
break;
case IP6T_ICMP6_ADDR_UNREACH:
- send_unreach(net, skb, ICMPV6_ADDR_UNREACH, hooknum);
+ send_unreach(net, skb, ICMPV6_ADDR_UNREACH, par->hooknum);
break;
case IP6T_ICMP6_PORT_UNREACH:
- send_unreach(net, skb, ICMPV6_PORT_UNREACH, hooknum);
+ send_unreach(net, skb, ICMPV6_PORT_UNREACH, par->hooknum);
break;
case IP6T_ICMP6_ECHOREPLY:
/* Do nothing */
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