sys/net/slcompress.c

187 	if (ip->ip_src.s_addr != cs->cs_ip.ip_src.s_addr ||
188 	    ip->ip_dst.s_addr != cs->cs_ip.ip_dst.s_addr ||
189 	    *(int32_t *)th != ((int32_t *)&cs->cs_ip)[cs->cs_ip.ip_hl]) {
208 			if (ip->ip_src.s_addr == cs->cs_ip.ip_src.s_addr
209 			    && ip->ip_dst.s_addr == cs->cs_ip.ip_dst.s_addr
211 			    ((int32_t *)&cs->cs_ip)[cs->cs_ip.ip_hl])
255 	oth = (struct tcphdr *)&((int32_t *)&cs->cs_ip)[hlen];
262 	if (((u_int16_t *)ip)[0] != ((u_int16_t *)&cs->cs_ip)[0] ||
263 	    ((u_int16_t *)ip)[3] != ((u_int16_t *)&cs->cs_ip)[3] ||
264 	    ((u_int16_t *)ip)[4] != ((u_int16_t *)&cs->cs_ip)[4] ||
267 	     BCMP(ip + 1, &cs->cs_ip + 1, (deltaS - 5) << 2)) ||
322 		if (ip->ip_len != cs->cs_ip.ip_len &&
323 		    ntohs(cs->cs_ip.ip_len) == hlen)
338 		    deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {
346 		if (deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {
354 	deltaS = ntohs(ip->ip_id) - ntohs(cs->cs_ip.ip_id);
366 	BCOPY(ip, &cs->cs_ip, hlen);
404 	BCOPY(ip, &cs->cs_ip, hlen);
486 		BCOPY(ip, &cs->cs_ip, hlen);
489 		*hdrp = (u_char *) &cs->cs_ip;
521 	hlen = cs->cs_ip.ip_hl << 2;
522 	th = (struct tcphdr *)&((u_char *)&cs->cs_ip)[hlen];
533 		u_int i = ntohs(cs->cs_ip.ip_len) - cs->cs_hlen;
540 		th->th_seq = htonl(ntohl(th->th_seq) + ntohs(cs->cs_ip.ip_len)
559 		DECODES(cs->cs_ip.ip_id)
561 		cs->cs_ip.ip_id = htons(ntohs(cs->cs_ip.ip_id) + 1);
576 	cs->cs_ip.ip_len = htons(total_len);
579 	bp = (u_int16_t *) &cs->cs_ip;
580 	cs->cs_ip.ip_sum = 0;
585 	cs->cs_ip.ip_sum = ~ changes;
587 	*hdrp = (u_char *) &cs->cs_ip;