1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 Brian Somers <brian@Awfulhak.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 struct mbuf; 32 struct physical; 33 struct datalink; 34 35 /* fsm states */ 36 #define CBCP_CLOSED (0) /* Not in use */ 37 #define CBCP_STOPPED (1) /* Waiting for a REQ */ 38 #define CBCP_REQSENT (2) /* Waiting for a RESP */ 39 #define CBCP_RESPSENT (3) /* Waiting for an ACK */ 40 #define CBCP_ACKSENT (4) /* Waiting for an LCP Term REQ */ 41 42 struct cbcpcfg { 43 u_char delay; 44 char phone[SCRIPT_LEN]; 45 long fsmretry; 46 }; 47 48 struct cbcp { 49 unsigned required : 1; /* Are we gonna call back ? */ 50 struct physical *p; /* On this physical link */ 51 struct { 52 u_char type; /* cbcp_data::type (none/me/him/list) */ 53 u_char delay; /* How long to delay */ 54 char phone[SCRIPT_LEN]; /* What to dial */ 55 56 int state; /* Our FSM state */ 57 u_char id; /* Our FSM ID */ 58 u_char restart; /* FSM Send again ? */ 59 struct pppTimer timer; /* Resend last option */ 60 } fsm; 61 }; 62 63 extern void cbcp_Init(struct cbcp *, struct physical *); 64 extern void cbcp_Up(struct cbcp *); 65 extern struct mbuf *cbcp_Input(struct bundle *, struct link *, struct mbuf *); 66 extern void cbcp_Down(struct cbcp *); 67 extern void cbcp_ReceiveTerminateReq(struct physical *); 68