struct icmphdr *hdr;
unsigned int hdroff = iphdroff + iph->ihl*4;
- if (!skb_ip_make_writable(pskb, hdroff + sizeof(*hdr)))
+ if (!skb_make_writable(pskb, hdroff + sizeof(*hdr)))
return 0;
hdr = (struct icmphdr *)((*pskb)->data + hdroff);
return 1;
}
-static unsigned int
-icmp_print(char *buffer,
- const struct ip_conntrack_tuple *match,
- const struct ip_conntrack_tuple *mask)
-{
- unsigned int len = 0;
-
- if (mask->src.u.icmp.id)
- len += sprintf(buffer + len, "id=%u ",
- ntohs(match->src.u.icmp.id));
-
- if (mask->dst.u.icmp.type)
- len += sprintf(buffer + len, "type=%u ",
- ntohs(match->dst.u.icmp.type));
-
- if (mask->dst.u.icmp.code)
- len += sprintf(buffer + len, "code=%u ",
- ntohs(match->dst.u.icmp.code));
-
- return len;
-}
-
-static unsigned int
-icmp_print_range(char *buffer, const struct ip_nat_range *range)
-{
- if (range->min.icmp.id != 0 || range->max.icmp.id != 0xFFFF)
- return sprintf(buffer, "id %u-%u ",
- ntohs(range->min.icmp.id),
- ntohs(range->max.icmp.id));
- else return 0;
-}
-
-struct ip_nat_protocol ip_nat_protocol_icmp
-= { "ICMP", IPPROTO_ICMP,
- icmp_manip_pkt,
- icmp_in_range,
- icmp_unique_tuple,
- icmp_print,
- icmp_print_range
+struct ip_nat_protocol ip_nat_protocol_icmp = {
+ .name = "ICMP",
+ .protonum = IPPROTO_ICMP,
+ .me = THIS_MODULE,
+ .manip_pkt = icmp_manip_pkt,
+ .in_range = icmp_in_range,
+ .unique_tuple = icmp_unique_tuple,
+#if defined(CONFIG_IP_NF_CONNTRACK_NETLINK) || \
+ defined(CONFIG_IP_NF_CONNTRACK_NETLINK_MODULE)
+ .range_to_nfattr = ip_nat_port_range_to_nfattr,
+ .nfattr_to_range = ip_nat_port_nfattr_to_range,
+#endif
};