1 /* 2 * Copyright (C) Dirk Husemann, Computer Science Department IV, 3 * University of Erlangen-Nuremberg, Germany, 1990, 1991, 1992 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * %sccs.include.redist.c% 8 * 9 * @(#)dll.h 8.1 (Berkeley) 06/10/93 10 */ 11 12 /* 13 * We define the additional PRC_* codes in here 14 */ 15 #ifdef KERNEL 16 #ifndef PRC_IFUP 17 #define PRC_IFUP 3 18 #endif 19 #define PRC_CONNECT_INDICATION 8 20 #define PRC_CONNECT_REQUEST 9 21 #define PRC_DISCONNECT_REQUEST 10 22 #define PRC_DISCONNECT_INDICATION 11 23 #define PRC_RESET_REQUEST 12 24 #endif 25 26 /* 27 * Data link layer configuration --- basically a copy of the relevant parts 28 * of x25config, implemented to become a little bit more network 29 * layer independent. (Probably only used for casting et al.) 30 */ 31 struct dllconfig { 32 u_short dllcfg_unused0:4, 33 dllcfg_unused1:4, 34 dllcfg_trace:1, /* link level tracing flag */ 35 dllcfg_window:7; /* link level window size */ 36 u_short dllcfg_xchxid:1, /* exchange XID (not yet) */ 37 dllcfg_unused2:7; /* here be dragons */ 38 }; 39 40 struct dll_ctlinfo { 41 union { 42 struct { 43 struct dllconfig *dctli_up_cfg; 44 u_char dctli_up_lsap; 45 } CTLI_UP; 46 struct { 47 caddr_t dctli_down_pcb; 48 struct rtentry *dctli_down_rt; 49 struct dllconfig *dctli_down_llconf; 50 } CTLI_DOWN; 51 } CTLIun; 52 }; 53 #define dlcti_cfg CTLIun.CTLI_UP.dctli_up_cfg 54 #define dlcti_lsap CTLIun.CTLI_UP.dctli_up_lsap 55 #define dlcti_pcb CTLIun.CTLI_DOWN.dctli_down_pcb 56 #define dlcti_rt CTLIun.CTLI_DOWN.dctli_down_rt 57 #define dlcti_conf CTLIun.CTLI_DOWN.dctli_down_llconf 58