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build: do not attempt to build IPv6 parts if CONFIG_IPV6=n

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This commit is contained in:
Jan Engelhardt
2012-07-14 22:55:39 +02:00
parent 7e5a8b0501
commit 0c1375414d
3 changed files with 15 additions and 2 deletions
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9
extensions/xt_TARPIT.c
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@@ -55,6 +55,9 @@
#include <net/tcp.h>
#include "compat_xtables.h"
#include "xt_TARPIT.h"
#if defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE)
# define WITH_IPV6 1
#endif
static bool xttarpit_tarpit(struct tcphdr *tcph, const struct tcphdr *oth)
{
@@ -298,6 +301,7 @@ static void tarpit_tcp4(struct sk_buff *oldskb, unsigned int hook,
kfree_skb(nskb);
}
#ifdef WITH_IPV6
static void tarpit_tcp6(struct sk_buff *oldskb, unsigned int hook,
unsigned int mode)
{
@@ -420,6 +424,7 @@ static void tarpit_tcp6(struct sk_buff *oldskb, unsigned int hook,
free_nskb:
kfree_skb(nskb);
}
#endif
static unsigned int
tarpit_tg4(struct sk_buff **pskb, const struct xt_action_param *par)
@@ -457,6 +462,7 @@ tarpit_tg4(struct sk_buff **pskb, const struct xt_action_param *par)
return NF_DROP;
}
#ifdef WITH_IPV6
static unsigned int
tarpit_tg6(struct sk_buff **pskb, const struct xt_action_param *par)
{
@@ -498,6 +504,7 @@ tarpit_tg6(struct sk_buff **pskb, const struct xt_action_param *par)
tarpit_tcp6(*pskb, par->hooknum, info->variant);
return NF_DROP;
}
#endif
static struct xt_target tarpit_tg_reg[] __read_mostly = {
{
@@ -510,6 +517,7 @@ static struct xt_target tarpit_tg_reg[] __read_mostly = {
.targetsize = sizeof(struct xt_tarpit_tginfo),
.me = THIS_MODULE,
},
#ifdef WITH_IPV6
{
.name = "TARPIT",
.revision = 0,
@@ -520,6 +528,7 @@ static struct xt_target tarpit_tg_reg[] __read_mostly = {
.targetsize = sizeof(struct xt_tarpit_tginfo),
.me = THIS_MODULE,
},
#endif
};
static int __init tarpit_tg_init(void)