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1 | /* |
2 | * if_ppp.h - Point-to-Point Protocol definitions. |
3 | * |
4 | * Copyright (c) 1989 Carnegie Mellon University. |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms are permitted |
8 | * provided that the above copyright notice and this paragraph are |
9 | * duplicated in all such forms and that any documentation, |
10 | * advertising materials, and other materials related to such |
11 | * distribution and use acknowledge that the software was developed |
12 | * by Carnegie Mellon University. The name of the |
13 | * University may not be used to endorse or promote products derived |
14 | * from this software without specific prior written permission. |
15 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR |
16 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED |
17 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
18 | * |
19 | */ |
20 | |
21 | /* |
22 | * ==FILEVERSION 20050812== |
23 | * |
24 | * NOTE TO MAINTAINERS: |
25 | * If you modify this file at all, please set the above date. |
26 | * if_ppp.h is shipped with a PPP distribution as well as with the kernel; |
27 | * if everyone increases the FILEVERSION number above, then scripts |
28 | * can do the right thing when deciding whether to install a new if_ppp.h |
29 | * file. Don't change the format of that line otherwise, so the |
30 | * installation script can recognize it. |
31 | */ |
32 | |
33 | #ifndef _IF_PPP_H_ |
34 | #define _IF_PPP_H_ |
35 | |
36 | #include <linux/types.h> |
37 | #include <linux/compiler.h> |
38 | |
39 | /* |
40 | * Packet sizes |
41 | */ |
42 | |
43 | #define PPP_MTU 1500 /* Default MTU (size of Info field) */ |
44 | #define PPP_MAXMRU 65000 /* Largest MRU we allow */ |
45 | #define PROTO_IPX 0x002b /* protocol numbers */ |
46 | #define PROTO_DNA_RT 0x0027 /* DNA Routing */ |
47 | |
48 | |
49 | /* |
50 | * Bit definitions for flags. |
51 | */ |
52 | |
53 | #define SC_COMP_PROT 0x00000001 /* protocol compression (output) */ |
54 | #define SC_COMP_AC 0x00000002 /* header compression (output) */ |
55 | #define SC_COMP_TCP 0x00000004 /* TCP (VJ) compression (output) */ |
56 | #define SC_NO_TCP_CCID 0x00000008 /* disable VJ connection-id comp. */ |
57 | #define SC_REJ_COMP_AC 0x00000010 /* reject adrs/ctrl comp. on input */ |
58 | #define SC_REJ_COMP_TCP 0x00000020 /* reject TCP (VJ) comp. on input */ |
59 | #define SC_CCP_OPEN 0x00000040 /* Look at CCP packets */ |
60 | #define SC_CCP_UP 0x00000080 /* May send/recv compressed packets */ |
61 | #define SC_ENABLE_IP 0x00000100 /* IP packets may be exchanged */ |
62 | #define SC_LOOP_TRAFFIC 0x00000200 /* send traffic to pppd */ |
63 | #define SC_MULTILINK 0x00000400 /* do multilink encapsulation */ |
64 | #define SC_MP_SHORTSEQ 0x00000800 /* use short MP sequence numbers */ |
65 | #define SC_COMP_RUN 0x00001000 /* compressor has been inited */ |
66 | #define SC_DECOMP_RUN 0x00002000 /* decompressor has been inited */ |
67 | #define SC_MP_XSHORTSEQ 0x00004000 /* transmit short MP seq numbers */ |
68 | #define SC_DEBUG 0x00010000 /* enable debug messages */ |
69 | #define SC_LOG_INPKT 0x00020000 /* log contents of good pkts recvd */ |
70 | #define SC_LOG_OUTPKT 0x00040000 /* log contents of pkts sent */ |
71 | #define SC_LOG_RAWIN 0x00080000 /* log all chars received */ |
72 | #define SC_LOG_FLUSH 0x00100000 /* log all chars flushed */ |
73 | #define SC_SYNC 0x00200000 /* synchronous serial mode */ |
74 | #define SC_MUST_COMP 0x00400000 /* no uncompressed packets may be sent or received */ |
75 | #define SC_MASK 0x0f600fff /* bits that user can change */ |
76 | |
77 | /* state bits */ |
78 | #define SC_XMIT_BUSY 0x10000000 /* (used by isdn_ppp?) */ |
79 | #define SC_RCV_ODDP 0x08000000 /* have rcvd char with odd parity */ |
80 | #define SC_RCV_EVNP 0x04000000 /* have rcvd char with even parity */ |
81 | #define SC_RCV_B7_1 0x02000000 /* have rcvd char with bit 7 = 1 */ |
82 | #define SC_RCV_B7_0 0x01000000 /* have rcvd char with bit 7 = 0 */ |
83 | #define SC_DC_FERROR 0x00800000 /* fatal decomp error detected */ |
84 | #define SC_DC_ERROR 0x00400000 /* non-fatal decomp error detected */ |
85 | |
86 | /* |
87 | * Ioctl definitions. |
88 | */ |
89 | |
90 | struct npioctl { |
91 | int protocol; /* PPP protocol, e.g. PPP_IP */ |
92 | enum NPmode mode; |
93 | }; |
94 | |
95 | /* Structure describing a CCP configuration option, for PPPIOCSCOMPRESS */ |
96 | struct ppp_option_data { |
97 | __u8 __user *ptr; |
98 | __u32 length; |
99 | int transmit; |
100 | }; |
101 | |
102 | struct ifpppstatsreq { |
103 | struct ifreq b; |
104 | struct ppp_stats stats; /* statistic information */ |
105 | }; |
106 | |
107 | struct ifpppcstatsreq { |
108 | struct ifreq b; |
109 | struct ppp_comp_stats stats; |
110 | }; |
111 | |
112 | /* For PPPIOCGL2TPSTATS */ |
113 | struct pppol2tp_ioc_stats { |
114 | __u16 tunnel_id; /* redundant */ |
115 | __u16 session_id; /* if zero, get tunnel stats */ |
116 | __u32 using_ipsec:1; /* valid only for session_id == 0 */ |
117 | __aligned_u64 tx_packets; |
118 | __aligned_u64 tx_bytes; |
119 | __aligned_u64 tx_errors; |
120 | __aligned_u64 rx_packets; |
121 | __aligned_u64 rx_bytes; |
122 | __aligned_u64 rx_seq_discards; |
123 | __aligned_u64 rx_oos_packets; |
124 | __aligned_u64 rx_errors; |
125 | }; |
126 | |
127 | #define ifr__name b.ifr_ifrn.ifrn_name |
128 | #define stats_ptr b.ifr_ifru.ifru_data |
129 | |
130 | /* |
131 | * Ioctl definitions. |
132 | */ |
133 | |
134 | #define PPPIOCGFLAGS _IOR('t', 90, int) /* get configuration flags */ |
135 | #define PPPIOCSFLAGS _IOW('t', 89, int) /* set configuration flags */ |
136 | #define PPPIOCGASYNCMAP _IOR('t', 88, int) /* get async map */ |
137 | #define PPPIOCSASYNCMAP _IOW('t', 87, int) /* set async map */ |
138 | #define PPPIOCGUNIT _IOR('t', 86, int) /* get ppp unit number */ |
139 | #define PPPIOCGRASYNCMAP _IOR('t', 85, int) /* get receive async map */ |
140 | #define PPPIOCSRASYNCMAP _IOW('t', 84, int) /* set receive async map */ |
141 | #define PPPIOCGMRU _IOR('t', 83, int) /* get max receive unit */ |
142 | #define PPPIOCSMRU _IOW('t', 82, int) /* set max receive unit */ |
143 | #define PPPIOCSMAXCID _IOW('t', 81, int) /* set VJ max slot ID */ |
144 | #define PPPIOCGXASYNCMAP _IOR('t', 80, ext_accm) /* get extended ACCM */ |
145 | #define PPPIOCSXASYNCMAP _IOW('t', 79, ext_accm) /* set extended ACCM */ |
146 | #define PPPIOCXFERUNIT _IO('t', 78) /* transfer PPP unit */ |
147 | #define PPPIOCSCOMPRESS _IOW('t', 77, struct ppp_option_data) |
148 | #define PPPIOCGNPMODE _IOWR('t', 76, struct npioctl) /* get NP mode */ |
149 | #define PPPIOCSNPMODE _IOW('t', 75, struct npioctl) /* set NP mode */ |
150 | #define PPPIOCSPASS _IOW('t', 71, struct sock_fprog) /* set pass filter */ |
151 | #define PPPIOCSACTIVE _IOW('t', 70, struct sock_fprog) /* set active filt */ |
152 | #define PPPIOCGDEBUG _IOR('t', 65, int) /* Read debug level */ |
153 | #define PPPIOCSDEBUG _IOW('t', 64, int) /* Set debug level */ |
154 | #define PPPIOCGIDLE _IOR('t', 63, struct ppp_idle) /* get idle time */ |
155 | #define PPPIOCNEWUNIT _IOWR('t', 62, int) /* create new ppp unit */ |
156 | #define PPPIOCATTACH _IOW('t', 61, int) /* attach to ppp unit */ |
157 | #define PPPIOCDETACH _IOW('t', 60, int) /* detach from ppp unit/chan */ |
158 | #define PPPIOCSMRRU _IOW('t', 59, int) /* set multilink MRU */ |
159 | #define PPPIOCCONNECT _IOW('t', 58, int) /* connect channel to unit */ |
160 | #define PPPIOCDISCONN _IO('t', 57) /* disconnect channel */ |
161 | #define PPPIOCATTCHAN _IOW('t', 56, int) /* attach to ppp channel */ |
162 | #define PPPIOCGCHAN _IOR('t', 55, int) /* get ppp channel number */ |
163 | #define PPPIOCGL2TPSTATS _IOR('t', 54, struct pppol2tp_ioc_stats) |
164 | |
165 | #define SIOCGPPPSTATS (SIOCDEVPRIVATE + 0) |
166 | #define SIOCGPPPVER (SIOCDEVPRIVATE + 1) /* NEVER change this!! */ |
167 | #define SIOCGPPPCSTATS (SIOCDEVPRIVATE + 2) |
168 | |
169 | #if !defined(ifr_mtu) |
170 | #define ifr_mtu ifr_ifru.ifru_metric |
171 | #endif |
172 | |
173 | #endif /* _IF_PPP_H_ */ |
174 |
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