109 		cp[0] = (n) >> 8; \
119 		cp[0] = (n) >> 8; \
128 		(f) = htonl(ntohl(f) + ((cp[1] << 8) | cp[2])); \
137 		(f) = htons(ntohs(f) + ((cp[1] << 8) | cp[2])); \
146 		(f) = htons((cp[1] << 8) | cp[2]); \
164   register struct tcphdr *th;  in sl_compress_tcp()  local
181   th = (struct tcphdr *) & ((int *) ip)[hlen];  in sl_compress_tcp()
182   if ((__tcp_get_flags(th) & (TH_SYN | TH_FIN | TH_RST | TH_ACK)) != TH_ACK) {  in sl_compress_tcp()
183     log_Printf(LogDEBUG, "??? 2 th_flags = %x\n", __tcp_get_flags(th));  in sl_compress_tcp()
198       *(int *) th != ((int *) &cs->cs_ip)[cs->cs_ip.ip_hl]) {  in sl_compress_tcp()
219 	  && *(int *) th == ((int *) &cs->cs_ip)[cs->cs_ip.ip_hl])  in sl_compress_tcp()
232 #define	THOFFSET(th)	(th->th_off)  in sl_compress_tcp()  argument
233     hlen += th->th_off;  in sl_compress_tcp()
258    * but costless).  The 4th line checks the TCP header length.  The 5th line  in sl_compress_tcp()
259    * checks IP options, if any.  The 6th line checks TCP options, if any.  If  in sl_compress_tcp()
265   hlen += th->th_off;  in sl_compress_tcp()
273       THOFFSET(th) != THOFFSET(oth) ||  in sl_compress_tcp()
276       (THOFFSET(th) > 5 &&  in sl_compress_tcp()
277        memcmp(th + 1, oth + 1, (THOFFSET(th) - 5) << 2))) {  in sl_compress_tcp()
286   if (__tcp_get_flags(th) & TH_URG) {  in sl_compress_tcp()
287     deltaS = ntohs(th->th_urp);  in sl_compress_tcp()
290   } else if (th->th_urp != oth->th_urp) {  in sl_compress_tcp()
299   deltaS = (u_short) (ntohs(th->th_win) - ntohs(oth->th_win));  in sl_compress_tcp()
304   deltaA = ntohl(th->th_ack) - ntohl(oth->th_ack);  in sl_compress_tcp()
312   deltaS = ntohl(th->th_seq) - ntohl(oth->th_seq);  in sl_compress_tcp()
369   if (__tcp_get_flags(th) & TH_PUSH)  in sl_compress_tcp()
376   deltaA = ntohs(th->th_sum);  in sl_compress_tcp()
408   *cp++ = deltaA >> 8;  in sl_compress_tcp()
433   register struct tcphdr *th;  in sl_uncompress_tcp()  local
455     th = (struct tcphdr *) & ((char *) ip)[hlen];  in sl_uncompress_tcp()
456     hlen += THOFFSET(th) << 2;  in sl_uncompress_tcp()
500   th = (struct tcphdr *) & ((u_char *) & cs->cs_ip)[hlen];  in sl_uncompress_tcp()
501   th->th_sum = htons((*cp << 8) | cp[1]);  in sl_uncompress_tcp()
504     __tcp_set_flags(th, __tcp_get_flags(th) | TH_PUSH);  in sl_uncompress_tcp()
506     __tcp_set_flags(th, __tcp_get_flags(th) & ~TH_PUSH);  in sl_uncompress_tcp()
513       th->th_ack = htonl(ntohl(th->th_ack) + i);  in sl_uncompress_tcp()
514       th->th_seq = htonl(ntohl(th->th_seq) + i);  in sl_uncompress_tcp()
519     th->th_seq = htonl(ntohl(th->th_seq) + ntohs(cs->cs_ip.ip_len)  in sl_uncompress_tcp()
525       __tcp_set_flags(th, __tcp_get_flags(th) | TH_URG);  in sl_uncompress_tcp()
526       DECODEU(th->th_urp)  in sl_uncompress_tcp()
528       __tcp_set_flags(th, __tcp_get_flags(th) & ~TH_URG);  in sl_uncompress_tcp()
530       DECODES(th->th_win)  in sl_uncompress_tcp()
532 	DECODEL(th->th_ack)  in sl_uncompress_tcp()
536 	  DECODEL(th->th_seq)  in sl_uncompress_tcp()
546 	    cs->cs_ip.ip_id, (u_long)ntohl(th->th_seq));  in sl_uncompress_tcp()