155 	u_int hlen = ip->ip_hl;  in sl_compress_tcp()  local
172 	th = (struct tcphdr *)&((int32_t *)ip)[hlen];  in sl_compress_tcp()
221 		hlen += th->th_off;  in sl_compress_tcp()
222 		hlen <<= 2;  in sl_compress_tcp()
223 		if (hlen > m->m_len)  in sl_compress_tcp()
251 	oth = (struct tcphdr *)&((int32_t *)&cs->cs_ip)[hlen];  in sl_compress_tcp()
252 	deltaS = hlen;  in sl_compress_tcp()
253 	hlen += th->th_off;  in sl_compress_tcp()
254 	hlen <<= 2;  in sl_compress_tcp()
255 	if (hlen > m->m_len)  in sl_compress_tcp()
318 		    ntohs(cs->cs_ip.ip_len) == hlen)  in sl_compress_tcp()
333 		    deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
341 		if (deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
361 	BCOPY(ip, &cs->cs_ip, hlen);  in sl_compress_tcp()
376 		hlen -= deltaS + 4;  in sl_compress_tcp()
377 		cp += hlen;  in sl_compress_tcp()
381 		hlen -= deltaS + 3;  in sl_compress_tcp()
382 		cp += hlen;  in sl_compress_tcp()
385 	m->m_len -= hlen;  in sl_compress_tcp()
386 	m->m_data += hlen;  in sl_compress_tcp()
399 	BCOPY(ip, &cs->cs_ip, hlen);  in sl_compress_tcp()
409 	int hlen, vjlen;  in sl_uncompress_tcp()  local
412 	vjlen = sl_uncompress_tcp_core(cp, len, len, type, comp, &hdr, &hlen);  in sl_uncompress_tcp()
434 	cp -= hlen;  in sl_uncompress_tcp()
435 	len += hlen;  in sl_uncompress_tcp()
436 	BCOPY(hdr, cp, hlen);  in sl_uncompress_tcp()
454 	u_int hlen, changes;  in sl_uncompress_tcp_core()  local
473 		hlen = ip->ip_hl << 2;  in sl_uncompress_tcp_core()
474 		if (hlen + sizeof(struct tcphdr) > buflen)  in sl_uncompress_tcp_core()
476 		hlen += ((struct tcphdr *)&((char *)ip)[hlen])->th_off << 2;  in sl_uncompress_tcp_core()
477 		if (hlen > MAX_HDR || hlen > buflen)  in sl_uncompress_tcp_core()
479 		BCOPY(ip, &cs->cs_ip, hlen);  in sl_uncompress_tcp_core()
480 		cs->cs_hlen = hlen;  in sl_uncompress_tcp_core()
483 		*hlenp = hlen;  in sl_uncompress_tcp_core()
514 	hlen = cs->cs_ip.ip_hl << 2;  in sl_uncompress_tcp_core()
515 	th = (struct tcphdr *)&((u_char *)&cs->cs_ip)[hlen];  in sl_uncompress_tcp_core()
574 		for (changes = 0; hlen > 0; hlen -= 2)  in sl_uncompress_tcp_core()