1 /* 2 * Copyright (c) 1984, 1985, 1986, 1987 Regents of the University of California. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms are permitted 6 * provided that the above copyright notice and this paragraph are 7 * duplicated in all such forms and that any documentation, 8 * advertising materials, and other materials related to such 9 * distribution and use acknowledge that the software was developed 10 * by the University of California, Berkeley. The name of the 11 * University may not be used to endorse or promote products derived 12 * from this software without specific prior written permission. 13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR 14 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED 15 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. 16 * 17 * @(#)spidp.h 7.3 (Berkeley) 06/29/88 18 */ 19 20 /* 21 * Definitions for NS(tm) Internet Datagram Protocol 22 * containing a Sequenced Packet Protocol packet. 23 */ 24 struct spidp { 25 struct idp si_i; 26 struct sphdr si_s; 27 }; 28 struct spidp_q { 29 struct spidp_q *si_next; 30 struct spidp_q *si_prev; 31 }; 32 #define SI(x) ((struct spidp *)x) 33 #define si_sum si_i.idp_sum 34 #define si_len si_i.idp_len 35 #define si_tc si_i.idp_tc 36 #define si_pt si_i.idp_pt 37 #define si_dna si_i.idp_dna 38 #define si_sna si_i.idp_sna 39 #define si_sport si_i.idp_sna.x_port 40 #define si_cc si_s.sp_cc 41 #define si_dt si_s.sp_dt 42 #define si_sid si_s.sp_sid 43 #define si_did si_s.sp_did 44 #define si_seq si_s.sp_seq 45 #define si_ack si_s.sp_ack 46 #define si_alo si_s.sp_alo 47