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author | Vijay Kumar Banerjee <vijay@rtems.org> | 2021-02-24 19:08:09 -0700 |
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committer | Vijay Kumar Banerjee <vijay@rtems.org> | 2021-04-07 16:15:38 -0600 |
commit | 369e6c5bf775ccb2d1c601fbb7562cd6bf6a7adb (patch) | |
tree | e5c6248bb5713e19581ecfe2b282fedc8849cf81 /cpukit/pppd/fsm.h | |
parent | cpukit: Remove libnetworking (diff) | |
download | rtems-369e6c5bf775ccb2d1c601fbb7562cd6bf6a7adb.tar.bz2 |
cpukit: remove pppd
Update #3850
Diffstat (limited to 'cpukit/pppd/fsm.h')
-rw-r--r-- | cpukit/pppd/fsm.h | 144 |
1 files changed, 0 insertions, 144 deletions
diff --git a/cpukit/pppd/fsm.h b/cpukit/pppd/fsm.h deleted file mode 100644 index 6b829516c6..0000000000 --- a/cpukit/pppd/fsm.h +++ /dev/null @@ -1,144 +0,0 @@ -/* - * fsm.h - {Link, IP} Control Protocol Finite State Machine definitions. - * - * Copyright (c) 1989 Carnegie Mellon University. - * All rights reserved. - * - * Redistribution and use in source and binary forms are permitted - * provided that the above copyright notice and this paragraph are - * duplicated in all such forms and that any documentation, - * advertising materials, and other materials related to such - * distribution and use acknowledge that the software was developed - * by Carnegie Mellon University. The name of the - * University may not be used to endorse or promote products derived - * from this software without specific prior written permission. - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED - * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. - * - * $Id$ - */ - -/* - * Packet header = Code, id, length. - */ -#define HEADERLEN 4 - - -/* - * CP (LCP, IPCP, etc.) codes. - */ -#define CONFREQ 1 /* Configuration Request */ -#define CONFACK 2 /* Configuration Ack */ -#define CONFNAK 3 /* Configuration Nak */ -#define CONFREJ 4 /* Configuration Reject */ -#define TERMREQ 5 /* Termination Request */ -#define TERMACK 6 /* Termination Ack */ -#define CODEREJ 7 /* Code Reject */ - - -/* - * Each FSM is described by an fsm structure and fsm callbacks. - */ -typedef struct fsm { - int unit; /* Interface unit number */ - int protocol; /* Data Link Layer Protocol field value */ - int state; /* State */ - int flags; /* Contains option bits */ - u_char id; /* Current id */ - u_char reqid; /* Current request id */ - u_char seen_ack; /* Have received valid Ack/Nak/Rej to Req */ - int timeouttime; /* Timeout time in milliseconds */ - int maxconfreqtransmits; /* Maximum Configure-Request transmissions */ - int retransmits; /* Number of retransmissions left */ - int maxtermtransmits; /* Maximum Terminate-Request transmissions */ - int nakloops; /* Number of nak loops since last ack */ - int maxnakloops; /* Maximum number of nak loops tolerated */ - struct fsm_callbacks *callbacks; /* Callback routines */ - char *term_reason; /* Reason for closing protocol */ - int term_reason_len; /* Length of term_reason */ -} fsm; - - -typedef struct fsm_callbacks { - void (*resetci) /* Reset our Configuration Information */ - (fsm *); - int (*cilen) /* Length of our Configuration Information */ - (fsm *); - void (*addci) /* Add our Configuration Information */ - (fsm *, u_char *, int *); - int (*ackci) /* ACK our Configuration Information */ - (fsm *, u_char *, int); - int (*nakci) /* NAK our Configuration Information */ - (fsm *, u_char *, int); - int (*rejci) /* Reject our Configuration Information */ - (fsm *, u_char *, int); - int (*reqci) /* Request peer's Configuration Information */ - (fsm *, u_char *, int *, int); - void (*up) /* Called when fsm reaches OPENED state */ - (fsm *); - void (*down) /* Called when fsm leaves OPENED state */ - (fsm *); - void (*starting) /* Called when we want the lower layer */ - (fsm *); - void (*finished) /* Called when we don't want the lower layer */ - (fsm *); - void (*protreject) /* Called when Protocol-Reject received */ - (int); - void (*retransmit) /* Retransmission is necessary */ - (fsm *); - int (*extcode) /* Called when unknown code received */ - (fsm *, int, int, u_char *, int); - char *proto_name; /* String name for protocol (for messages) */ -} fsm_callbacks; - - -/* - * Link states. - */ -#define INITIAL 0 /* Down, hasn't been opened */ -#define STARTING 1 /* Down, been opened */ -#define CLOSED 2 /* Up, hasn't been opened */ -#define STOPPED 3 /* Open, waiting for down event */ -#define CLOSING 4 /* Terminating the connection, not open */ -#define STOPPING 5 /* Terminating, but open */ -#define REQSENT 6 /* We've sent a Config Request */ -#define ACKRCVD 7 /* We've received a Config Ack */ -#define ACKSENT 8 /* We've sent a Config Ack */ -#define OPENED 9 /* Connection available */ - - -/* - * Flags - indicate options controlling FSM operation - */ -#define OPT_PASSIVE 1 /* Don't die if we don't get a response */ -#define OPT_RESTART 2 /* Treat 2nd OPEN as DOWN, UP */ -#define OPT_SILENT 4 /* Wait for peer to speak first */ - - -/* - * Timeouts. - */ -#define DEFTIMEOUT 5 /* Timeout time in seconds */ -#define DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ -#define DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ -#define DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ - - -/* - * Prototypes - */ -void fsm_init(fsm *); -void fsm_lowerup(fsm *); -void fsm_lowerdown(fsm *); -void fsm_open(fsm *); -void fsm_close(fsm *, char *); -void fsm_input(fsm *, u_char *, int); -void fsm_protreject(fsm *); -void fsm_sdata(fsm *, u_char, u_char, u_char *, int); - - -/* - * Variables - */ -extern int peer_mru[]; /* currently negotiated peer MRU (per unit) */ |