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);