Annotation of embedaddon/mpd/src/ngfunc.h, revision 1.1.1.2
1.1 misho 1:
2: /*
3: * ngfunc.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 _NGFUNC_H_
11: #define _NGFUNC_H_
12:
13: #include "defs.h"
14: #include "bund.h"
15:
16: #include <netgraph/ng_message.h>
17: #include <netgraph/ng_ppp.h>
18:
19: /*
20: * DEFINITIONS
21: */
22:
23: /*
24: * The "mssfix-in"/"mssfix-out" hooks are used for TCP SYN segments,
25: * if userland tcpmssfix is on.
26: */
27:
28: #ifndef USE_NG_TCPMSS
29: #define MPD_HOOK_TCPMSS_IN "tcpmss-in"
30: #define MPD_HOOK_TCPMSS_OUT "tcpmss-out"
31: #endif
32:
33: #define BPF_HOOK_PPP "ppp"
34: #define BPF_HOOK_IFACE "iface"
35: #define BPF_HOOK_MPD "mpd"
36:
37: #define BPF_MODE_OFF 0 /* no BPF node traffic gets through */
38: #define BPF_MODE_ON 1 /* normal BPF node traffic flow */
39: #define BPF_MODE_DEMAND 2 /* block traffic; redirect demand */
40: #define BPF_MODE_MSSFIX 3 /* redirect all TCP SYN packets */
41: #define BPF_MODE_MSSFIX_IN 4 /* redirect incoming TCP SYN packets */
42: #define BPF_MODE_MSSFIX_OUT 5 /* redirect outgoing TCP SYN packets */
43:
44: /*
45: * VARIABLES
46: */
47:
48: #ifdef USE_NG_TCPMSS
49: extern u_char gTcpMSSNode;
50: #endif
51: #ifdef USE_NG_NETFLOW
52: extern const struct cmdtab NetflowSetCmds[];
53:
54: extern u_char gNetflowNode;
55: extern u_char gNetflowNodeShutdown;
56: extern char gNetflowNodeName[64];
57: extern ng_ID_t gNetflowNodeID;
58: extern u_int gNetflowIface;
59: extern struct sockaddr_storage gNetflowExport;
60: extern struct sockaddr_storage gNetflowSource;
61: extern uint32_t gNetflowInactive;
62: extern uint32_t gNetflowActive;
63: #endif
64:
65: /*
66: * FUNCTIONS
67: */
68:
69: extern void NgFuncShutdownGlobal(void);
70: extern void NgFuncSetConfig(Bund b);
71: extern int NgFuncWritePppFrame(Bund b, int linkNum, int proto, Mbuf bp);
72: extern int NgFuncWritePppFrameLink(Link l, int proto, Mbuf bp);
73: extern int NgFuncWriteFrame(int dsock, const char *hookname, const char *label, Mbuf bp);
74: extern int NgFuncClrStats(Bund b, u_int16_t linkNum);
75: extern int NgFuncGetStats(Bund b, u_int16_t linkNum,
76: struct ng_ppp_link_stat *s);
77: extern int NgFuncGetStats64(Bund b, u_int16_t linkNum,
78: struct ng_ppp_link_stat64 *s);
79: extern int NgFuncSendQuery(const char *path, int cookie, int cmd,
80: const void *args, size_t arglen, struct ng_mesg *rbuf,
81: size_t replen, char *raddr);
82:
83: extern int NgFuncConnect(int csock, char *label, const char *path, const char *hook,
84: const char *path2, const char *hook2);
85: extern int NgFuncDisconnect(int csock, char *label, const char *path, const char *hook);
86: extern int NgFuncShutdownNode(int csock, const char *label, const char *path);
87:
88: extern void NgFuncErrx(const char *fmt, ...);
89: extern void NgFuncErr(const char *fmt, ...);
90:
91: #ifdef USE_NG_NETFLOW
92: extern int NgFuncInitGlobalNetflow(void);
1.1.1.2 ! misho 93: extern int ShowNetflow(Context ctx, int ac, char *av[], void *arg);
1.1 misho 94: #endif
95:
96: extern int NgFuncCreateIface(Bund b, char *buf, int max);
97: extern ng_ID_t NgGetNodeID(int csock, const char *path);
98:
99: #endif
100:
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