275 	struct udphdr *uh;  in udp_input()  local
338 	uh = (struct udphdr *)(void *)((caddr_t)ip + iphlen);  in udp_input()
341 	if (uh->uh_dport == 0) {  in udp_input()
346 	KERNEL_DEBUG(DBG_LAYER_IN_BEG, uh->uh_dport, uh->uh_sport,  in udp_input()
347 	    ip->ip_src.s_addr, ip->ip_dst.s_addr, uh->uh_ulen);  in udp_input()
353 	len = ntohs((u_short)uh->uh_ulen);  in udp_input()
372 	if (udp_input_checksum(m, uh, iphlen, len)) {  in udp_input()
401 		udp_in.sin_port = uh->uh_sport;  in udp_input()
454 			if (inp->inp_lport != uh->uh_dport) {  in udp_input()
468 				    inp->inp_fport != uh->uh_sport) {  in udp_input()
514 			    uh->uh_dport, uh->uh_sport, &ip->ip_dst,  in udp_input()
557 			uh = (struct udphdr *)(void *)((caddr_t)ip + iphlen);  in udp_input()
589 	    (uh->uh_dport == ntohs((u_short)esp_udp_encap_port) ||  in udp_input()
590 	    uh->uh_sport == ntohs((u_short)esp_udp_encap_port))) {  in udp_input()
598 		if (uh->uh_dport != ntohs((u_short)esp_udp_encap_port)) {  in udp_input()
600 			    (caddr_t)&ip->ip_src, uh->uh_dport,  in udp_input()
601 			    uh->uh_sport, IFSCOPE_NONE, IFSCOPE_NONE);  in udp_input()
623 				uh = (struct udphdr *)(void *)((caddr_t)ip + iphlen);  in udp_input()
627 			    ((caddr_t)uh + sizeof(struct udphdr)) == 0xFF) {  in udp_input()
633 			    ((caddr_t)uh + sizeof(struct udphdr)) != 0) {  in udp_input()
648 	inp = in_pcblookup_hash(&udbinfo, ip->ip_src, uh->uh_sport,  in udp_input()
649 	    ip->ip_dst, uh->uh_dport, 1, ifp);  in udp_input()
662 				    ntohs(uh->uh_dport), inet_ntop(AF_INET,  in udp_input()
664 				    ntohs(uh->uh_sport));  in udp_input()
671 				    ntohs(uh->uh_dport), inet_ntop(AF_INET,  in udp_input()
673 				    ntohs(uh->uh_sport)))  in udp_input()
705 	if (!necp_socket_is_allowed_to_send_recv_v4(inp, uh->uh_dport,  in udp_input()
706 	    uh->uh_sport, &ip->ip_dst, &ip->ip_src, ifp, pf_tag, NULL, NULL, NULL, NULL)) {  in udp_input()
717 	udp_in.sin_port = uh->uh_sport;  in udp_input()
742 	KERNEL_DEBUG(DBG_LAYER_IN_END, uh->uh_dport, uh->uh_sport,  in udp_input()
743 	    save_ip.ip_src.s_addr, save_ip.ip_dst.s_addr, uh->uh_ulen);  in udp_input()
914 		struct udphdr uh;  in udp_ctlinput()  local
918 		    (m->m_len < off + sizeof(uh))) {  in udp_ctlinput()
923 		bcopy(m->m_data + off, &uh, sizeof(uh));  in udp_ctlinput()
924 		inp = in_pcblookup_hash(&udbinfo, faddr, uh.uh_dport,  in udp_ctlinput()
925 		    ip->ip_src, uh.uh_sport, 0, NULL);  in udp_ctlinput()
961 			    uh.uh_sport, uh.uh_dport, IPPROTO_UDP,  in udp_ctlinput()
2704 udp_input_checksum(struct mbuf *m, struct udphdr *uh, int off, int ulen)  in udp_input_checksum()  argument
2710 	if (uh->uh_sum == 0) {  in udp_input_checksum()
2722 			uh->uh_sum = m->m_pkthdr.csum_rx_val;  in udp_input_checksum()
2779 			uh->uh_sum = in_pseudo(ip->ip_src.s_addr,  in udp_input_checksum()
2782 		uh->uh_sum ^= 0xffff;  in udp_input_checksum()
2790 		ipov->ih_len = uh->uh_ulen;  in udp_input_checksum()
2791 		uh->uh_sum = in_cksum(m, ulen + sizeof(struct ip));  in udp_input_checksum()
2798 	if (uh->uh_sum != 0) {  in udp_input_checksum()