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