2 ppp_str.h - streams version include file
4 Copyright (C) 1990 Brad K. Clements, All Rights Reserved,
5 See copyright statement in NOTES
8 #include <sys/ioccom.h>
10 #define PPP_HDRLEN 4 /* octets for standard ppp header */
11 #define PPP_FCSLEN 2 /* octets for FCS */
13 #define PPP_ADDRESS(cp) ((cp)[0])
14 #define PPP_CONTROL(cp) ((cp)[1])
15 #define PPP_PROTOCOL(cp) (((cp)[2] << 8) + (cp)[3])
17 #define PPP_ALLSTATIONS 0xff /* All-Stations broadcast address */
18 #define PPP_UI 0x03 /* Unnumbered Information */
19 #define PPP_FLAG 0x7e /* Flag Sequence */
20 #define PPP_ESCAPE 0x7d /* Asynchronous Control Escape */
21 #define PPP_TRANS 0x20 /* Asynchronous transparency modifier */
24 * Protocol field values.
26 #define PPP_IP 0x21 /* Internet Protocol */
27 #define PPP_XNS 0x25 /* Xerox NS */
28 #define PPP_VJC_COMP 0x2d /* VJ compressed TCP */
29 #define PPP_VJC_UNCOMP 0x2f /* VJ uncompressed TCP */
30 #define PPP_COMP 0xfd /* compressed packet */
31 #define PPP_LCP 0xc021 /* Link Control Protocol */
32 #define PPP_CCP 0x80fd /* Compression Control Protocol */
35 * Important FCS values.
37 #define PPP_INITFCS 0xffff /* Initial FCS value */
38 #define PPP_GOODFCS 0xf0b8 /* Good final FCS value */
39 #define PPP_FCS(fcs, c) (((fcs) >> 8) ^ fcstab[((fcs) ^ (c)) & 0xff])
44 #define PPP_MTU 1500 /* Default MTU (size of Info field) */
45 #define PPP_MRU 1500 /* Default MRU (max receive unit) */
46 #define PPP_MAXMRU 65000 /* Largest MRU we allow */
47 #define PPP_HDRLEN 4 /* sizeof(struct ppp_header) must be 4 */
50 * A 32-bit unsigned integral type.
53 typedef UINT32_T u_int32_t;
55 typedef unsigned long u_int32_t;
58 /* Extended asyncmap - allows any character to be escaped. */
59 typedef u_int32_t ext_accm[8];
65 u_int ppp_ibytes; /* bytes received */
66 u_int ppp_ipackets; /* packets received */
67 u_int ppp_ierrors; /* receive errors */
68 u_int ppp_obytes; /* bytes sent */
69 u_int ppp_opackets; /* packets sent */
70 u_int ppp_oerrors; /* transmit errors */
74 u_int sls_packets; /* outbound packets */
75 u_int sls_compressed; /* outbound compressed packets */
76 u_int sls_searches; /* searches for connection state */
77 u_int sls_misses; /* times couldn't find conn. state */
78 u_int sls_uncompressedin; /* inbound uncompressed packets */
79 u_int sls_compressedin; /* inbound compressed packets */
80 u_int sls_errorin; /* inbound unknown type packets */
81 u_int sls_tossed; /* inbound packets tossed because of error */
90 * What to do with network protocol (NP) packets.
94 NPMODE_PASS, /* pass the packet through */
95 NPMODE_DROP, /* silently drop the packet */
96 NPMODE_ERROR, /* return an error */
97 NPMODE_QUEUE /* save it up for later. */
101 int protocol; /* PPP procotol, e.g. PPP_IP */
105 /* Structure describing a CCP configuration option, for SIOCSCOMPRESS */
106 #define MAX_PPP_OPTION 32
107 struct ppp_option_data {
110 u_char opt_data[MAX_PPP_OPTION];
113 /* Bit definitions for SIOC[GS]IFCOMP. */
116 #define CCP_COMP_RUN 4
117 #define CCP_DECOMP_RUN 8
118 #define CCP_ERROR 0x10
119 #define CCP_FATALERROR 0x20
126 #define SIOCSIFCOMPAC _IOW('p', 130, char)
127 #define SIOCSIFCOMPPROT _IOW('p', 131, char)
128 #define SIOCSIFMRU _IOW('p', 132, int) /* set max receive unit */
129 #define SIOCGIFMRU _IOR('p', 133, int) /* get max receive unit */
130 #define SIOCGIFASYNCMAP _IOR('p', 134, u_int32_t) /* get transmit async map */
131 #define SIOCSIFASYNCMAP _IOW('p', 135, u_int32_t) /* set transmit async map */
132 #define SIOCGETU _IOR('p', 136, int) /* get unit number */
133 #define SIOCSIFVJCOMP _IOW('p', 137, char) /* enable/disable VJ comp */
134 #define SIOCGIFDEBUG _IOR('p', 138, int) /* get debug flags */
135 #define SIOCSIFDEBUG _IOW('p', 139, int) /* set debug flags */
136 #define SIOCGIFRASYNCMAP _IOR('p', 140, u_int32_t) /* get receive async map */
137 #define SIOCSIFRASYNCMAP _IOW('p', 141, u_int32_t) /* set receive async map */
138 #define SIOCGIFXASYNCMAP _IOR('p', 142, ext_accm) /* get extended xmit map */
139 #define SIOCSIFXASYNCMAP _IOW('p', 143, ext_accm) /* set extended xmit map */
140 #define SIOCSETU _IOW('p', 144, int) /* set unit number */
141 #define SIOCSETNPMODE _IOW('p', 145, struct npioctl) /* set NP mode */
142 #define SIOCGETNPMODE _IOWR('p', 146, struct npioctl) /* get NP mode */
143 #define SIOCGETSTATS _IOR('p', 147, struct ppp_stats)
144 #define SIOCGIFCOMP _IOR('p', 148, int) /* get CCP kernel flags */
145 #define SIOCSIFCOMP _IOW('p', 149, int) /* set CCP closed/open/up */
146 #define SIOCSCOMPRESS _IOW('p', 150, struct ppp_option_data)
149 /* traditional C compiler */
150 #define SIOCSIFCOMPAC _IOW(p, 130, char)
151 #define SIOCSIFCOMPPROT _IOW(p, 131, char)
152 #define SIOCSIFMRU _IOW(p, 132, int) /* set max receive unit */
153 #define SIOCGIFMRU _IOR(p, 133, int) /* get max receive unit */
154 #define SIOCGIFASYNCMAP _IOR(p, 134, u_int32_t) /* get transmit async map */
155 #define SIOCSIFASYNCMAP _IOW(p, 135, u_int32_t) /* set transmit async map */
156 #define SIOCGETU _IOR(p, 136, int) /* get unit number */
157 #define SIOCSIFVJCOMP _IOW(p, 137, char) /* enable/disable VJ comp */
158 #define SIOCGIFDEBUG _IOR(p, 138, int) /* get debug flags */
159 #define SIOCSIFDEBUG _IOW(p, 139, int) /* set debug flags */
160 #define SIOCGIFRASYNCMAP _IOR(p, 140, u_int32_t) /* get receive async map */
161 #define SIOCSIFRASYNCMAP _IOW(p, 141, u_int32_t) /* set receive async map */
162 #define SIOCGIFXASYNCMAP _IOR(p, 142, ext_accm) /* get extended xmit map */
163 #define SIOCSIFXASYNCMAP _IOW(p, 143, ext_accm) /* set extended xmit map */
164 #define SIOCSETU _IOW(p, 144, int) /* set unit number */
165 #define SIOCSETNPMODE _IOW(p, 145, struct npioctl) /* set NP mode */
166 #define SIOCGETNPMODE _IOWR(p, 146, struct npioctl) /* get NP mode */
167 #define SIOCGETSTATS _IOR(p, 147, struct ppp_stats)
168 #define SIOCGIFCOMP _IOR(p, 148, int) /* get CCP kernel flags */
169 #define SIOCSIFCOMP _IOW(p, 149, int) /* set CCP closed/open/up */
170 #define SIOCSCOMPRESS _IOW(p, 150, struct ppp_option_data)
174 * Note on SIOCSIFVJCOMP: the parameter is now encoded as follows.
175 * Bit 0 = overall VJ enable, bit 1 = don't compress connection ID,
176 * bit 2 = receiver rejects VJ compression,
177 * bits 4--7 = maximum slot ID (0 => use default (15)).
180 /* Bits for SIOCGIFDEBUG */
181 #define PAI_FLAGS_B7_0 0x100
182 #define PAI_FLAGS_B7_1 0x200
183 #define PAI_FLAGS_PAR_EVEN 0x400
184 #define PAI_FLAGS_PAR_ODD 0x800
185 #define PAI_FLAGS_HIBITS 0xF00
187 /* defines for streams modules */
188 #define IF_INPUT_ERROR 0xe1
189 #define IF_OUTPUT_ERROR 0xe2
191 #define ALLOCBSIZE 64 /* how big of a buffer block to
192 allocate for each chunk of the input chain */