1 /* 2 * Copyright (c) 1984, 1985 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)spidp.h 6.3 (Berkeley) 02/03/86 7 */ 8 9 /* 10 * Definitions for NS(tm) Internet Datagram Protocol 11 * containing a Sequenced Packet Protocol packet. 12 */ 13 struct spidp { 14 struct idp si_i; 15 struct sphdr si_s; 16 }; 17 struct spidp_q { 18 struct spidp_q *si_next; 19 struct spidp_q *si_prev; 20 }; 21 #define SI(x) ((struct spidp *)x) 22 #define si_sum si_i.idp_sum 23 #define si_len si_i.idp_len 24 #define si_tc si_i.idp_tc 25 #define si_pt si_i.idp_pt 26 #define si_dna si_i.idp_dna 27 #define si_sna si_i.idp_sna 28 #define si_sport si_i.idp_sna.x_port 29 #define si_cc si_s.sp_cc 30 #define si_dt si_s.sp_dt 31 #define si_sid si_s.sp_sid 32 #define si_did si_s.sp_did 33 #define si_seq si_s.sp_seq 34 #define si_ack si_s.sp_ack 35 #define si_alo si_s.sp_alo 36