#include <linux/skbuff.h>
#include <net/ip.h>
#include <net/checksum.h>
-#include <linux/netfilter.h>
#include <linux/netfilter_ipv4.h>
#include <linux/netfilter_ipv4/ip_conntrack.h>
#include <linux/netfilter_ipv4/ip_conntrack_core.h>
#include <linux/netfilter_ipv4/ip_conntrack_protocol.h>
-unsigned long ip_ct_icmp_timeout = 30*HZ;
+unsigned int ip_ct_icmp_timeout = 30*HZ;
#if 0
#define DEBUGP printk
}
/* See ip_conntrack_proto_tcp.c */
- if (hooknum != NF_IP_PRE_ROUTING)
- goto checksum_skipped;
-
- switch (skb->ip_summed) {
- case CHECKSUM_HW:
- if (!(u16)csum_fold(skb->csum))
- break;
- /* fall through */
- case CHECKSUM_NONE:
- skb->csum = 0;
- if (__skb_checksum_complete(skb)) {
- if (LOG_INVALID(IPPROTO_ICMP))
- nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
- "ip_ct_icmp: bad ICMP checksum ");
- return -NF_ACCEPT;
- }
+ if (hooknum == NF_IP_PRE_ROUTING &&
+ nf_ip_checksum(skb, hooknum, skb->nh.iph->ihl * 4, 0)) {
+ if (LOG_INVALID(IPPROTO_ICMP))
+ nf_log_packet(PF_INET, 0, skb, NULL, NULL, NULL,
+ "ip_ct_icmp: bad ICMP checksum ");
+ return -NF_ACCEPT;
}
-checksum_skipped:
/*
* 18 is the highest 'known' ICMP type. Anything else is a mystery
*