45 	struct iphdr *iph;  in build_packet()  local
54 	iph = buffer + off;  in build_packet()
55 	iph->ttl	= 8;  in build_packet()
56 	iph->ihl	= 5;  in build_packet()
57 	iph->version	= 4;  in build_packet()
58 	iph->saddr	= htonl(INADDR_LOOPBACK);  in build_packet()
59 	iph->daddr	= htonl(INADDR_LOOPBACK + 1);  in build_packet()
60 	iph->protocol	= IPPROTO_UDP;  in build_packet()
61 	iph->tot_len	= htons(blen - off);  in build_packet()
62 	iph->check	= 0;  in build_packet()
64 	off += sizeof(*iph);  in build_packet()