MODULE_AUTHOR("Harald Welte <laforge@gnumonks.org>");
MODULE_DESCRIPTION("Netfilter NAT protocol helper module for GRE");
-#if 0
-#define DEBUGP(format, args...) printk(KERN_DEBUG "%s:%s: " format, __FILE__, \
- __FUNCTION__, ## args)
-#else
-#define DEBUGP(x, args...)
-#endif
-
/* is key in given range between min and max */
static int
gre_in_range(const struct nf_conntrack_tuple *tuple,
keyptr = &tuple->dst.u.gre.key;
if (!(range->flags & IP_NAT_RANGE_PROTO_SPECIFIED)) {
- DEBUGP("%p: NATing GRE PPTP\n", conntrack);
+ pr_debug("%p: NATing GRE PPTP\n", conntrack);
min = 1;
range_size = 0xffff;
} else {
range_size = ntohs(range->max.gre.key) - min + 1;
}
- DEBUGP("min = %u, range_size = %u\n", min, range_size);
+ pr_debug("min = %u, range_size = %u\n", min, range_size);
for (i = 0; i < range_size; i++, key++) {
*keyptr = htons(min + key % range_size);
return 1;
}
- DEBUGP("%p: no NAT mapping\n", conntrack);
+ pr_debug("%p: no NAT mapping\n", conntrack);
return 0;
}
/* manipulate a GRE packet according to maniptype */
static int
-gre_manip_pkt(struct sk_buff **pskb, unsigned int iphdroff,
+gre_manip_pkt(struct sk_buff *skb, unsigned int iphdroff,
const struct nf_conntrack_tuple *tuple,
enum nf_nat_manip_type maniptype)
{
struct gre_hdr *greh;
struct gre_hdr_pptp *pgreh;
- struct iphdr *iph = (struct iphdr *)((*pskb)->data + iphdroff);
+ struct iphdr *iph = (struct iphdr *)(skb->data + iphdroff);
unsigned int hdroff = iphdroff + iph->ihl * 4;
/* pgreh includes two optional 32bit fields which are not required
* to be there. That's where the magic '8' comes from */
- if (!skb_make_writable(pskb, hdroff + sizeof(*pgreh) - 8))
+ if (!skb_make_writable(skb, hdroff + sizeof(*pgreh) - 8))
return 0;
- greh = (void *)(*pskb)->data + hdroff;
+ greh = (void *)skb->data + hdroff;
pgreh = (struct gre_hdr_pptp *)greh;
/* we only have destination manip of a packet, since 'source key'
* Try to behave like "nf_nat_proto_unknown" */
break;
case GRE_VERSION_PPTP:
- DEBUGP("call_id -> 0x%04x\n", ntohs(tuple->dst.u.gre.key));
+ pr_debug("call_id -> 0x%04x\n", ntohs(tuple->dst.u.gre.key));
pgreh->call_id = tuple->dst.u.gre.key;
break;
default:
- DEBUGP("can't nat unknown GRE version\n");
+ pr_debug("can't nat unknown GRE version\n");
return 0;
}
return 1;
.in_range = gre_in_range,
.unique_tuple = gre_unique_tuple,
#if defined(CONFIG_NF_CT_NETLINK) || defined(CONFIG_NF_CT_NETLINK_MODULE)
- .range_to_nfattr = nf_nat_port_range_to_nfattr,
- .nfattr_to_range = nf_nat_port_nfattr_to_range,
+ .range_to_nlattr = nf_nat_port_range_to_nlattr,
+ .nlattr_to_range = nf_nat_port_nlattr_to_range,
#endif
};