236 static void gen_ip_hdr(struct ifobject *ifobject, struct iphdr *ip_hdr)  in gen_ip_hdr()  argument
238 	ip_hdr->version = IP_PKT_VER;  in gen_ip_hdr()
239 	ip_hdr->ihl = 0x5;  in gen_ip_hdr()
240 	ip_hdr->tos = IP_PKT_TOS;  in gen_ip_hdr()
241 	ip_hdr->tot_len = htons(IP_PKT_SIZE);  in gen_ip_hdr()
242 	ip_hdr->id = 0;  in gen_ip_hdr()
243 	ip_hdr->frag_off = 0;  in gen_ip_hdr()
244 	ip_hdr->ttl = IPDEFTTL;  in gen_ip_hdr()
245 	ip_hdr->protocol = IPPROTO_UDP;  in gen_ip_hdr()
246 	ip_hdr->saddr = ifobject->src_ip;  in gen_ip_hdr()
247 	ip_hdr->daddr = ifobject->dst_ip;  in gen_ip_hdr()
248 	ip_hdr->check = 0;  in gen_ip_hdr()
265 static void gen_udp_csum(struct udphdr *udp_hdr, struct iphdr *ip_hdr)  in gen_udp_csum()  argument
269 	    udp_csum(ip_hdr->saddr, ip_hdr->daddr, UDP_PKT_SIZE, IPPROTO_UDP, (u16 *)udp_hdr);  in gen_udp_csum()
717 	struct iphdr *ip_hdr;  in pkt_generate()  local
727 	ip_hdr = (struct iphdr *)(data + sizeof(struct ethhdr));  in pkt_generate()
731 	gen_ip_hdr(ifobject, ip_hdr);  in pkt_generate()
732 	gen_udp_csum(udp_hdr, ip_hdr);  in pkt_generate()