MODULE_AUTHOR("Netfilter Core Team <coreteam@netfilter.org>");
MODULE_DESCRIPTION("iptables REDIRECT target module");
-#if 0
-#define DEBUGP printk
-#else
-#define DEBUGP(format, args...)
-#endif
-
/* FIXME: Take multiple ranges --RR */
-static int
+static bool
redirect_check(const char *tablename,
const void *e,
const struct xt_target *target,
const struct nf_nat_multi_range_compat *mr = targinfo;
if (mr->range[0].flags & IP_NAT_RANGE_MAP_IPS) {
- DEBUGP("redirect_check: bad MAP_IPS.\n");
- return 0;
+ pr_debug("redirect_check: bad MAP_IPS.\n");
+ return false;
}
if (mr->rangesize != 1) {
- DEBUGP("redirect_check: bad rangesize %u.\n", mr->rangesize);
- return 0;
+ pr_debug("redirect_check: bad rangesize %u.\n", mr->rangesize);
+ return false;
}
- return 1;
+ return true;
}
static unsigned int
-redirect_target(struct sk_buff **pskb,
+redirect_target(struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
unsigned int hooknum,
NF_CT_ASSERT(hooknum == NF_IP_PRE_ROUTING
|| hooknum == NF_IP_LOCAL_OUT);
- ct = nf_ct_get(*pskb, &ctinfo);
+ ct = nf_ct_get(skb, &ctinfo);
NF_CT_ASSERT(ct && (ctinfo == IP_CT_NEW || ctinfo == IP_CT_RELATED));
/* Local packets: make them go to loopback */
newdst = 0;
rcu_read_lock();
- indev = __in_dev_get_rcu((*pskb)->dev);
+ indev = __in_dev_get_rcu(skb->dev);
if (indev && (ifa = indev->ifa_list))
newdst = ifa->ifa_local;
rcu_read_unlock();
return nf_nat_setup_info(ct, &newrange, hooknum);
}
-static struct xt_target redirect_reg = {
+static struct xt_target redirect_reg __read_mostly = {
.name = "REDIRECT",
.family = AF_INET,
.target = redirect_target,