Annotation of embedaddon/mpd/src/link.h, revision 1.1.1.3.2.1
1.1 misho 1:
2: /*
3: * link.h
4: *
5: * Written by Archie Cobbs <archie@freebsd.org>
6: * Copyright (c) 1995-1999 Whistle Communications, Inc. All rights reserved.
7: * See ``COPYRIGHT.whistle''
8: */
9:
10: #ifndef _LINK_H_
11: #define _LINK_H_
12:
13: #include "defs.h"
14: #include "proto.h"
15: #include "lcp.h"
16: #include "ip.h"
17: #include "mp.h"
18: #include "vars.h"
19: #include "auth.h"
20: #include "fsm.h"
21: #include "mbuf.h"
22: #include "phys.h"
23: #include "vars.h"
24: #include <netgraph/ng_ppp.h>
25: #include <regex.h>
26:
27: /*
28: * DEFINITIONS
29: */
30:
31: /* Bounds */
32: /* Default bundle-layer FSM retry timeout */
33: #define LINK_DEFAULT_RETRY 2
34:
35: /* Default latency and bandwidth */
36: #define LINK_DEFAULT_BANDWIDTH 64000 /* 64k */
37: #define LINK_DEFAULT_LATENCY 2000 /* 2ms */
38:
39: enum {
40: LINK_ACTION_FORWARD,
41: LINK_ACTION_BUNDLE,
42: LINK_ACTION_DROP
43: };
44:
45: struct linkaction {
46: int action;
47: char regex[128];
48: regex_t regexp;
49: char arg[LINK_MAX_NAME]; /* Link/Bundle template name */
50: SLIST_ENTRY(linkaction) next;
51: };
52:
53: /* Configuration options */
54: enum {
55: LINK_CONF_PAP,
56: LINK_CONF_CHAPMD5,
57: LINK_CONF_CHAPMSv1,
58: LINK_CONF_CHAPMSv2,
59: LINK_CONF_EAP,
60: LINK_CONF_INCOMING,
61: LINK_CONF_ACFCOMP,
62: LINK_CONF_PROTOCOMP,
63: LINK_CONF_MSDOMAIN,
64: LINK_CONF_MAGICNUM,
65: LINK_CONF_PASSIVE,
66: LINK_CONF_CHECK_MAGIC,
67: LINK_CONF_RINGBACK,
68: LINK_CONF_NO_ORIG_AUTH,
69: LINK_CONF_CALLBACK,
70: LINK_CONF_MULTILINK, /* multi-link */
71: LINK_CONF_SHORTSEQ, /* multi-link short sequence numbers */
72: LINK_CONF_TIMEREMAIN, /* Send LCP Time-Remain if known */
73: LINK_CONF_PEER_AS_CALLING,
1.1.1.2 misho 74: LINK_CONF_REPORT_MAC,
75: LINK_CONF_REMOVE_TEE /* Remove ng_tee from the resulting chain */
1.1 misho 76: };
77:
78: /* Configuration for a link */
79: struct linkconf {
80: u_short mtu; /* Initial MTU value */
81: u_short mru; /* Initial MRU value */
82: uint16_t mrru; /* Initial MRRU value */
83: uint32_t accmap; /* Initial ACCMAP value */
84: short retry_timeout; /* FSM timeout for retries */
85: short max_redial; /* Max failed connect attempts */
86: short redial_delay; /* Failed connect retry time */
87: char *ident; /* LCP ident string */
88: struct optinfo options; /* Configured options */
89: int max_children; /* Maximal number of children */
90: };
91:
92: struct linkbm {
1.1.1.3 misho 93: #ifndef NG_PPP_STATS64
1.1 misho 94: struct ng_ppp_link_stat
95: idleStats; /* Link management stats */
1.1.1.3 misho 96: #else
97: struct ng_ppp_link_stat64
98: idleStats; /* Link management stats */
99: #endif
1.1 misho 100: };
101: typedef struct linkbm *LinkBm;
102:
103: /* Values for link origination (must fit in 2 bits) */
104: #define LINK_ORIGINATE_UNKNOWN 0
105: #define LINK_ORIGINATE_LOCAL 1
106: #define LINK_ORIGINATE_REMOTE 2
107:
108: #define LINK_ORIGINATION(o) ((o) == LINK_ORIGINATE_LOCAL ? "local" : \
109: (o) == LINK_ORIGINATE_REMOTE ? "remote" : \
110: "unknown")
111:
112: /* Total state of a link */
113: struct linkst {
114: char name[LINK_MAX_NAME]; /* Human readable name */
115: int id; /* Index of this link in gLinks */
116: u_char tmpl; /* This is template, not an instance */
117: u_char stay; /* Must not disappear */
1.1.1.3.2.1! misho 118: u_char state; /* Physical device current state */
! 119: u_char admin_state; /* Link administrative state */
1.1 misho 120: u_char joined_bund; /* Link successfully joined bundle */
121: u_char originate; /* Who originated the connection */
122: u_char die; /* LCP agreed to die */
123: u_char dead; /* Dead flag (shutted down) */
124: Bund bund; /* My bundle */
125: Rep rep; /* Rep connected to the device */
126: int bundleIndex; /* Link number in bundle */
127: int parent; /* Index of the parent in gLinks */
128: int children; /* Number of children */
129: int refs; /* Number of references */
130: char hook[NG_HOOKSIZ]; /* session hook name */
131: ng_ID_t nodeID; /* ID of the tee node */
132: MsgHandler msgs; /* Link events */
133: SLIST_HEAD(, linkaction) actions;
134:
135: /* State info */
136: struct linkconf conf; /* Link configuration */
137: struct lcpstate lcp; /* LCP state info */
138: struct linkbm bm; /* Link bandwidth mgmt info */
139: struct ng_ppp_link_stat64 stats; /* Link statistics */
140: #ifndef NG_PPP_STATS64
141: struct ng_ppp_link_stat oldStats; /* Previous stats for 64bit emulation */
142: #endif
143:
144: /* Link properties */
1.1.1.3 misho 145: unsigned short num_redial; /* Counter for retry attempts */
1.1 misho 146: u_char upReasonValid;
147: u_char downReasonValid;
1.1.1.2 misho 148: u_char tee_removed;
1.1 misho 149: char *upReason; /* Reason for link going up */
150: char *downReason; /* Reason for link going down */
151: int bandwidth; /* Bandwidth in bits per second */
152: int latency; /* Latency in microseconds */
153: time_t last_up; /* Time this link last got up */
154: char msession_id[AUTH_MAX_SESSIONID]; /* a uniq msession-id */
155: char session_id[AUTH_MAX_SESSIONID]; /* a uniq session-id */
156:
1.1.1.3 misho 157: const struct phystype *type; /* Device type descriptor */
1.1 misho 158: void *info; /* Type specific info */
159: MsgHandler pmsgs; /* Message channel */
160: struct pppTimer openTimer; /* Open retry timer */
161: };
162:
163:
164: /*
165: * VARIABLES
166: */
167:
168: extern const struct cmdtab LinkSetCmds[];
169:
170: extern int gLinksCsock; /* Socket node control socket */
171: extern int gLinksDsock; /* Socket node data socket */
172:
173: /*
174: * FUNCTIONS
175: */
176: extern int LinksInit(void);
177: extern void LinksShutdown(void);
178:
179: extern void LinkUp(Link l);
180: extern void LinkDown(Link l);
181: extern void LinkOpen(Link l);
182: extern void LinkClose(Link l);
1.1.1.3.2.1! misho 183: extern void LinkOpenAdm(Link l);
! 184: extern void LinkCloseAdm(Link l);
1.1 misho 185: extern int LinkOpenCmd(Context ctx);
186: extern int LinkCloseCmd(Context ctx);
187:
1.1.1.3 misho 188: extern int LinkCreate(Context ctx, int ac, const char *const av[], const void *arg);
189: extern int LinkDestroy(Context ctx, int ac, const char *const av[], const void *arg);
190: extern Link LinkInst(Link lt, const char *name, int tmpl, int stay);
1.1 misho 191: extern void LinkShutdownCheck(Link l, short state);
192: extern void LinkShutdown(Link l);
193: extern int LinkNgInit(Link l);
194: extern int LinkNgJoin(Link l);
195: extern int LinkNgToRep(Link l);
196: extern int LinkNgLeave(Link l);
197: extern void LinkNgShutdown(Link l);
198: extern int LinkNuke(Link link);
1.1.1.3 misho 199: extern int LinkStat(Context ctx, int ac, const char *const av[], const void *arg);
1.1 misho 200: extern void LinkUpdateStats(Link l);
201: extern void LinkResetStats(Link l);
202: extern Link LinkFind(const char *name);
1.1.1.3 misho 203: extern int LinkCommand(Context ctx, int ac, const char *const av[], const void *arg);
204: extern int SessionCommand(Context ctx, int ac, const char *const av[], const void *arg);
205: extern int AuthnameCommand(Context ctx, int ac, const char *const av[], const void *arg);
1.1 misho 206: extern void RecordLinkUpDownReason(Bund b, Link l, int up, const char *fmt,
207: const char *arg, ...);
208:
209: extern const char *LinkMatchAction(Link l, int stage, char *login);
210:
211: #endif
212:
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