71 static uint16_t
72 checksum_buffer(uint16_t *buf, size_t len)  in checksum_buffer()
89 	return (uint16_t)~sum;  in checksum_buffer()
100 	uint16_t        icmp_hdr_len;
102 	uint16_t        inner_ip_hdr_len;
104 	uint16_t        inner_tcp_hdr_len;
149 	    (uint16_t)(pcb->icmp_hdr == NULL ? -1 : pcb->icmp_hdr->icmp_type),  in icmp4_pcb_print()
150 	    (uint16_t)(pcb->icmp_hdr == NULL ? -1 : pcb->icmp_hdr->icmp_code),  in icmp4_pcb_print()
151 	    (uint16_t)(pcb->icmp_hdr == NULL ? -1 : pcb->icmp_hdr->icmp_cksum),  in icmp4_pcb_print()
152 	    (uint16_t)(pcb->icmp_hdr == NULL ? -1 : pcb->icmp_hdr->icmp_id),  in icmp4_pcb_print()
153 	    (uint16_t)(pcb->icmp_hdr == NULL ? -1 : pcb->icmp_hdr->icmp_seq),  in icmp4_pcb_print()
155 	    (uint16_t)(pcb->inner_ip_hdr == NULL ? -1 : IP_VHL_HL(pcb->inner_ip_hdr->ip_vhl) << 2),  in icmp4_pcb_print()
156 	    (uint16_t)(pcb->inner_ip_hdr == NULL ? -1 : pcb->inner_ip_hdr->ip_sum),  in icmp4_pcb_print()
158 	    (uint16_t)(pcb->inner_tcp_hdr == NULL ? -1 : pcb->inner_tcp_hdr->th_sport),  in icmp4_pcb_print()
159 	    (uint16_t)(pcb->inner_tcp_hdr == NULL ? -1 : ntohs(pcb->inner_tcp_hdr->th_sport)),  in icmp4_pcb_print()
160 	    (uint16_t)(pcb->inner_tcp_hdr == NULL ? -1 : pcb->inner_tcp_hdr->th_dport),  in icmp4_pcb_print()
161 	    (uint16_t)(pcb->inner_tcp_hdr == NULL ? -1 : ntohs(pcb->inner_tcp_hdr->th_dport)),  in icmp4_pcb_print()
162 	    (uint16_t)(pcb->inner_tcp_hdr == NULL ? -1 : pcb->inner_tcp_hdr->th_sum));  in icmp4_pcb_print()
236 	pcb->inner_ip_hdr_len  = (uint16_t)(IP_VHL_HL(ip_in->ip_vhl) << 2);  in icmp4_pcb_set_payload()
246 …pcb->inner_tcp_hdr->th_sum   = checksum_buffer((uint16_t*)pcb->inner_tcp_hdr, pcb->inner_tcp_hdr_l…  in icmp4_pcb_set_payload()
259 …pcb->inner_ip_hdr->ip_sum    = checksum_buffer((uint16_t*)pcb->inner_ip_hdr, pcb->inner_ip_hdr_len…  in icmp4_pcb_set_payload()
268 	pcb->icmp_hdr->icmp_cksum = checksum_buffer((uint16_t*)pcb->icmp_hdr, sizeof(struct icmp));  in icmp4_pcb_set_payload()