taglinefilesource code
ip_compute_csum237net/inet/icmp.cicmph->checksum = ip_compute_csum((unsigned char *)icmph,
ip_compute_csum431net/inet/icmp.cicmphr->checksum = ip_compute_csum((unsigned char *)icmphr, len);
ip_compute_csum520net/inet/icmp.cicmphr->checksum = ip_compute_csum((unsigned char *) icmphr, 20);
ip_compute_csum606net/inet/icmp.cicmphr->checksum = ip_compute_csum((unsigned char *)icmphr, len);
ip_compute_csum646net/inet/icmp.cif (ip_compute_csum((unsigned char *) icmph, len)) 
ip_compute_csum95net/inet/igmp.cigh->csum=ip_compute_csum((void *)igh,sizeof(*igh));
ip_compute_csum196net/inet/igmp.cif(skb->ip_hdr->ttl!=1 || ip_compute_csum((void *)igh,sizeof(*igh)))
ip_compute_csum85net/inet/ip.hextern unsigned short  ip_compute_csum(unsigned char * buff, int len);