164   register u_int hlen = ip->ip_hl;  in sl_compress_tcp()  local
183   th = (struct tcphdr *) & ((int *) ip)[hlen];  in sl_compress_tcp()
235     hlen += th->th_off;  in sl_compress_tcp()
236     hlen <<= 2;  in sl_compress_tcp()
237     if (hlen > m->m_len)  in sl_compress_tcp()
265   oth = (struct tcphdr *) & ((int *) &cs->cs_ip)[hlen];  in sl_compress_tcp()
266   deltaS = hlen;  in sl_compress_tcp()
267   hlen += th->th_off;  in sl_compress_tcp()
268   hlen <<= 2;  in sl_compress_tcp()
269   if (hlen > m->m_len)  in sl_compress_tcp()
334 	ntohs(cs->cs_ip.ip_len) == hlen)  in sl_compress_tcp()
350 	deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
358     if (deltaS == ntohs(cs->cs_ip.ip_len) - hlen) {  in sl_compress_tcp()
379   memcpy(&cs->cs_ip, ip, hlen);  in sl_compress_tcp()
398     hlen -= deltaS + 3;  in sl_compress_tcp()
399     cp += hlen;  in sl_compress_tcp()
403     hlen -= deltaS + 4;  in sl_compress_tcp()
404     cp += hlen;  in sl_compress_tcp()
408   m->m_len -= hlen;  in sl_compress_tcp()
409   m->m_offset += hlen;  in sl_compress_tcp()
422   memcpy(&cs->cs_ip, ip, hlen);  in sl_compress_tcp()
434   register u_int hlen, changes;  in sl_uncompress_tcp()  local
454     hlen = ip->ip_hl << 2;  in sl_uncompress_tcp()
455     if ((int)(hlen + sizeof(struct tcphdr)) > len)  in sl_uncompress_tcp()
457     th = (struct tcphdr *) & ((char *) ip)[hlen];  in sl_uncompress_tcp()
458     hlen += THOFFSET(th) << 2;  in sl_uncompress_tcp()
459     if (hlen > MAX_HDR)  in sl_uncompress_tcp()
461     memcpy(&cs->cs_ip, ip, hlen);  in sl_uncompress_tcp()
462     cs->cs_hlen = hlen;  in sl_uncompress_tcp()
501   hlen = cs->cs_ip.ip_hl << 2;  in sl_uncompress_tcp()
502   th = (struct tcphdr *) & ((u_char *) & cs->cs_ip)[hlen];  in sl_uncompress_tcp()
572   for (changes = 0; hlen > 0; hlen -= 2)  in sl_uncompress_tcp()