blob: b2cbb3b4dc96cf5c020b1972854b5549c4444da6 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
* ppp_defs.h - PPP definitions.
*
* Copyright 1994-2000 Paul Mackerras.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*/
#include <linux/types.h>
#ifndef _PPP_DEFS_H_
#define _PPP_DEFS_H_
/*
* The basic PPP frame.
*/
#define PPP_HDRLEN 4 /* octets for standard ppp header */
#define PPP_FCSLEN 2 /* octets for FCS */
#define PPP_MRU 1500 /* default MRU = max length of info field */
#define PPP_ADDRESS(p) (((__u8 *)(p))[0])
#define PPP_CONTROL(p) (((__u8 *)(p))[1])
#define PPP_PROTOCOL(p) ((((__u8 *)(p))[2] << 8) + ((__u8 *)(p))[3])
/*
* Significant octet values.
*/
#define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
#define PPP_UI 0x03 /* Unnumbered Information */
#define PPP_FLAG 0x7e /* Flag Sequence */
#define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
#define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
/*
* Protocol field values.
*/
#define PPP_IP 0x21 /* Internet Protocol */
#define PPP_AT 0x29 /* AppleTalk Protocol */
#define PPP_IPX 0x2b /* IPX protocol */
#define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
#define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
#define PPP_MP 0x3d /* Multilink protocol */
#define PPP_IPV6 0x57 /* Internet Protocol Version 6 */
#define PPP_COMPFRAG 0xfb /* fragment compressed below bundle */
#define PPP_COMP 0xfd /* compressed packet */
#define PPP_MPLS_UC 0x0281 /* Multi Protocol Label Switching - Unicast */
#define PPP_MPLS_MC 0x0283 /* Multi Protocol Label Switching - Multicast */
#define PPP_IPCP 0x8021 /* IP Control Protocol */
#define PPP_ATCP 0x8029 /* AppleTalk Control Protocol */
#define PPP_IPXCP 0x802b /* IPX Control Protocol */
#define PPP_IPV6CP 0x8057 /* IPv6 Control Protocol */
#define PPP_CCPFRAG 0x80fb /* CCP at link level (below MP bundle) */
#define PPP_CCP 0x80fd /* Compression Control Protocol */
#define PPP_MPLSCP 0x80fd /* MPLS Control Protocol */
#define PPP_LCP 0xc021 /* Link Control Protocol */
#define PPP_PAP 0xc023 /* Password Authentication Protocol */
#define PPP_LQR 0xc025 /* Link Quality Report protocol */
#define PPP_CHAP 0xc223 /* Cryptographic Handshake Auth. Protocol */
#define PPP_CBCP 0xc029 /* Callback Control Protocol */
/*
* Values for FCS calculations.
*/
#define PPP_INITFCS 0xffff /* Initial FCS value */
#define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
/*
* Extended asyncmap - allows any character to be escaped.
*/
typedef __u32 ext_accm[8];
/*
* What to do with network protocol (NP) packets.
*/
enum NPmode {
NPMODE_PASS, /* pass the packet through */
NPMODE_DROP, /* silently drop the packet */
NPMODE_ERROR, /* return an error */
NPMODE_QUEUE /* save it up for later. */
};
/*
* Statistics for LQRP and pppstats
*/
struct pppstat {
__u32 ppp_discards; /* # frames discarded */
__u32 ppp_ibytes; /* bytes received */
__u32 ppp_ioctects; /* bytes received not in error */
__u32 ppp_ipackets; /* packets received */
__u32 ppp_ierrors; /* receive errors */
__u32 ppp_ilqrs; /* # LQR frames received */
__u32 ppp_obytes; /* raw bytes sent */
__u32 ppp_ooctects; /* frame bytes sent */
__u32 ppp_opackets; /* packets sent */
__u32 ppp_oerrors; /* transmit errors */
__u32 ppp_olqrs; /* # LQR frames sent */
};
struct vjstat {
__u32 vjs_packets; /* outbound packets */
__u32 vjs_compressed; /* outbound compressed packets */
__u32 vjs_searches; /* searches for connection state */
__u32 vjs_misses; /* times couldn't find conn. state */
__u32 vjs_uncompressedin; /* inbound uncompressed packets */
__u32 vjs_compressedin; /* inbound compressed packets */
__u32 vjs_errorin; /* inbound unknown type packets */
__u32 vjs_tossed; /* inbound packets tossed because of error */
};
struct compstat {
__u32 unc_bytes; /* total uncompressed bytes */
__u32 unc_packets; /* total uncompressed packets */
__u32 comp_bytes; /* compressed bytes */
__u32 comp_packets; /* compressed packets */
__u32 inc_bytes; /* incompressible bytes */
__u32 inc_packets; /* incompressible packets */
/* the compression ratio is defined as in_count / bytes_out */
__u32 in_count; /* Bytes received */
__u32 bytes_out; /* Bytes transmitted */
double ratio; /* not computed in kernel. */
};
struct ppp_stats {
struct pppstat p; /* basic PPP statistics */
struct vjstat vj; /* VJ header compression statistics */
};
struct ppp_comp_stats {
struct compstat c; /* packet compression statistics */
struct compstat d; /* packet decompression statistics */
};
/*
* The following structure records the time in seconds since
* the last NP packet was sent or received.
*
* Linux implements both 32-bit and 64-bit time_t versions
* for compatibility with user space that defines ppp_idle
* based on the libc time_t.
*/
struct ppp_idle {
__kernel_old_time_t xmit_idle; /* time since last NP packet sent */
__kernel_old_time_t recv_idle; /* time since last NP packet received */
};
struct ppp_idle32 {
__s32 xmit_idle; /* time since last NP packet sent */
__s32 recv_idle; /* time since last NP packet received */
};
struct ppp_idle64 {
__s64 xmit_idle; /* time since last NP packet sent */
__s64 recv_idle; /* time since last NP packet received */
};
#endif /* _PPP_DEFS_H_ */
|
