290 #define BUF_SIZE 25 /* 6 * 4 + 1 */  in tcp_flags()
384 	 * (6lo) and alter the sent network packet. So in order to avoid any  in tcp_send()
1233 		 *  3 | 3 | 6 | 4 | 3+3-6=  0 | 6-3-3=0  | Append  in tcp_check_pending_data()
1234 		 *  3 | 4 | 6 | 4 | 3+4-6 = 1 | 6-3-4=-1 | Append, pull from queue  in tcp_check_pending_data()
1235 		 *  3 | 7 | 6 | 4 | 3+7-6 = 4 | 6-3-7=-4 | Drop queued data  in tcp_check_pending_data()
1236 		 *  3 | 8 | 6 | 4 | 3+8-6 = 5 | 6-3-8=-5 | Drop queued data  in tcp_check_pending_data()
1237 		 *  6 | 5 | 6 | 4 | 6+5-6 = 5 | 6-6-5=-5 | Drop queued data  in tcp_check_pending_data()
1238 		 *  6 | 4 | 6 | 4 | 6+4-6 = 4 | 6-6-4=-4 | Drop queued data / packet  in tcp_check_pending_data()
1239 		 * 10 | 2 | 6 | 4 | 10+2-6= 6 | 6-10-2=-6| Should not happen, dropping queue  in tcp_check_pending_data()
1240 		 *  7 | 4 | 6 | 4 | 7+4-6 = 5 | 6-7-4=-5 | Should not happen, dropping queue  in tcp_check_pending_data()
1241 		 * 11 | 2 | 6 | 4 | 11+2-6= 7 | 6-11-2=-7| Should not happen, dropping queue  in tcp_check_pending_data()
1242 		 *  2 | 3 | 6 | 4 | 2+3-6= MI | 6-2-3=1  | Keep queued data  in tcp_check_pending_data()
2284 	return seq + (k_ticks_to_ns_floor32(k_uptime_ticks()) >> 6);  in seq_scale()
2613 		 *  3 | 3 | 6 | 4 | 3+3-6=  0 | NA       | NA          | Prepend  in tcp_queue_recv_data()
2614 		 *  3 | 4 | 6 | 4 | 3+4-6 = 1 | NA       | NA          | Prepend, pull from buffer  in tcp_queue_recv_data()
2615 		 *  3 | 7 | 6 | 4 | 3+7-6 = 4 | 6-3=3    | 6+4-3=7     | Drop queued data  in tcp_queue_recv_data()
2616 		 *  3 | 8 | 6 | 4 | 3+8-6 = 5 | 6-3=3    | 6+4-3=7     | Drop queued data  in tcp_queue_recv_data()
2617 		 *  6 | 5 | 6 | 4 | 6+5-6 = 5 | 6-6=0    | 6+4-6=4     | Drop queued data  in tcp_queue_recv_data()
2618 		 *  6 | 4 | 6 | 4 | 6+4-6 = 4 | 6-6=0    | 6+4-6=4     | Drop queued data / packet  in tcp_queue_recv_data()
2619 		 *  7 | 2 | 6 | 4 | 7+2-6 = 3 | 6-7=MI   | 6+4-7=3     | Drop packet  in tcp_queue_recv_data()
2620 		 * 10 | 2 | 6 | 4 | 10+2-6= 6 | 6-10=MI-3| 6+4-10=0    | Append  in tcp_queue_recv_data()
2621 		 *  7 | 4 | 6 | 4 | 7+4-6 = 5 | 6-7 =MI  | 6+4-7 =3    | Append, pull from packet  in tcp_queue_recv_data()
2622 		 * 11 | 2 | 6 | 4 | 11+2-6= 7 | 6-11=MI-6| 6+4-11=MI-1 | Drop incoming packet  in tcp_queue_recv_data()
2623 		 *  2 | 3 | 6 | 4 | 2+3-6= MI | 6-2=4    | 6+4-2=8     | Drop incoming packet  in tcp_queue_recv_data()
3051 		 * 6 of RFC 793  in tcp_in()