#include <net/tcp.h>
#include <net/udp.h>
-#define ASSERT_READ_LOCK(x) MUST_BE_READ_LOCKED(&ip_nat_lock)
-#define ASSERT_WRITE_LOCK(x) MUST_BE_WRITE_LOCKED(&ip_nat_lock)
+#define ASSERT_READ_LOCK(x)
+#define ASSERT_WRITE_LOCK(x)
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_helper.h>
#define DUMP_OFFSET(x)
#endif
-static DECLARE_LOCK(ip_nat_seqofs_lock);
+static DEFINE_SPINLOCK(ip_nat_seqofs_lock);
/* Setup TCP sequence correction given this change at this sequence */
static inline void
DEBUGP("ip_nat_resize_packet: Seq_offset before: ");
DUMP_OFFSET(this_way);
- LOCK_BH(&ip_nat_seqofs_lock);
+ spin_lock_bh(&ip_nat_seqofs_lock);
/* SYN adjust. If it's uninitialized, or this is after last
* correction, record it: we don't handle more than one
this_way->offset_before = this_way->offset_after;
this_way->offset_after += sizediff;
}
- UNLOCK_BH(&ip_nat_seqofs_lock);
+ spin_unlock_bh(&ip_nat_seqofs_lock);
DEBUGP("ip_nat_resize_packet: Seq_offset after: ");
DUMP_OFFSET(this_way);
/* Transfer socket to new skb. */
if ((*pskb)->sk)
skb_set_owner_w(nskb, (*pskb)->sk);
-#ifdef CONFIG_NETFILTER_DEBUG
- nskb->nf_debug = (*pskb)->nf_debug;
-#endif
kfree_skb(*pskb);
*pskb = nskb;
return 1;
struct tcphdr *tcph;
int datalen;
- if (!skb_ip_make_writable(pskb, (*pskb)->len))
+ if (!skb_make_writable(pskb, (*pskb)->len))
return 0;
if (rep_len > match_len
}
return 1;
}
+EXPORT_SYMBOL(ip_nat_mangle_tcp_packet);
/* Generic function for mangling variable-length address changes inside
* NATed UDP connections (like the CONNECT DATA XXXXX MESG XXXXX INDEX XXXXX
match_offset + match_len)
return 0;
- if (!skb_ip_make_writable(pskb, (*pskb)->len))
+ if (!skb_make_writable(pskb, (*pskb)->len))
return 0;
if (rep_len > match_len
return 1;
}
+EXPORT_SYMBOL(ip_nat_mangle_udp_packet);
/* Adjust one found SACK option including checksum correction */
static void
optoff = (*pskb)->nh.iph->ihl*4 + sizeof(struct tcphdr);
optend = (*pskb)->nh.iph->ihl*4 + tcph->doff*4;
- if (!skb_ip_make_writable(pskb, optend))
+ if (!skb_make_writable(pskb, optend))
return 0;
dir = CTINFO2DIR(ctinfo);
this_way = &ct->nat.info.seq[dir];
other_way = &ct->nat.info.seq[!dir];
- if (!skb_ip_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
+ if (!skb_make_writable(pskb, (*pskb)->nh.iph->ihl*4+sizeof(*tcph)))
return 0;
tcph = (void *)(*pskb)->data + (*pskb)->nh.iph->ihl*4;
return 1;
}
+EXPORT_SYMBOL(ip_nat_seq_adjust);
/* Setup NAT on this expected conntrack so it follows master. */
/* If we fail to get a free NAT slot, we'll get dropped on confirm */
/* hook doesn't matter, but it has to do destination manip */
ip_nat_setup_info(ct, &range, NF_IP_PRE_ROUTING);
}
+EXPORT_SYMBOL(ip_nat_follow_master);