diff options
Diffstat (limited to 'mdk-stage1/ppp/include/linux/if_pppvar.h')
| -rw-r--r-- | mdk-stage1/ppp/include/linux/if_pppvar.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/mdk-stage1/ppp/include/linux/if_pppvar.h b/mdk-stage1/ppp/include/linux/if_pppvar.h new file mode 100644 index 000000000..b2485cd9d --- /dev/null +++ b/mdk-stage1/ppp/include/linux/if_pppvar.h @@ -0,0 +1,138 @@ +/* From: if_pppvar.h,v 1.2 1995/06/12 11:36:51 paulus Exp */ +/* + * if_pppvar.h - private structures and declarations for PPP. + * + * Copyright (c) 1994 The Australian National University. + * All rights reserved. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation is hereby granted, provided that the above copyright + * notice appears in all copies. This software is provided without any + * warranty, express or implied. The Australian National University + * makes no representations about the suitability of this software for + * any purpose. + * + * IN NO EVENT SHALL THE AUSTRALIAN NATIONAL UNIVERSITY BE LIABLE TO ANY + * PARTY FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF + * THE AUSTRALIAN NATIONAL UNIVERSITY HAVE BEEN ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + * + * THE AUSTRALIAN NATIONAL UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY + * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS + * ON AN "AS IS" BASIS, AND THE AUSTRALIAN NATIONAL UNIVERSITY HAS NO + * OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, + * OR MODIFICATIONS. + * + * Copyright (c) 1989 Carnegie Mellon University. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by Carnegie Mellon University. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* + * ==FILEVERSION 990911== + * + * NOTE TO MAINTAINERS: + * If you modify this file at all, please set the above date. + * if_pppvar.h is shipped with a PPP distribution as well as with the kernel; + * if everyone increases the FILEVERSION number above, then scripts + * can do the right thing when deciding whether to install a new if_pppvar.h + * file. Don't change the format of that line otherwise, so the + * installation script can recognize it. + */ + +/* + * Supported network protocols. These values are used for + * indexing sc_npmode. + */ + +#define NP_IP 0 /* Internet Protocol */ +#define NP_IPX 1 /* IPX protocol */ +#define NP_AT 2 /* Appletalk protocol */ +#define NP_IPV6 3 /* Internet Protocol */ +#define NUM_NP 4 /* Number of NPs. */ + +#define OBUFSIZE 256 /* # chars of output buffering */ + +/* + * Structure describing each ppp unit. + */ + +struct ppp { + int magic; /* magic value for structure */ + struct ppp *next; /* unit with next index */ + unsigned long inuse; /* are we allocated? */ + int line; /* network interface unit # */ + __u32 flags; /* miscellaneous control flags */ + int mtu; /* maximum xmit frame size */ + int mru; /* maximum receive frame size */ + struct slcompress *slcomp; /* for TCP header compression */ + struct sk_buff_head xmt_q; /* frames to send from pppd */ + struct sk_buff_head rcv_q; /* frames for pppd to read */ + unsigned long xmit_busy; /* bit 0 set when xmitter busy */ + + /* Information specific to using ppp on async serial lines. */ + struct tty_struct *tty; /* ptr to TTY structure */ + struct tty_struct *backup_tty; /* TTY to use if tty gets closed */ + __u8 escape; /* 0x20 if prev char was PPP_ESC */ + __u8 toss; /* toss this frame */ + volatile __u8 tty_pushing; /* internal state flag */ + volatile __u8 woke_up; /* internal state flag */ + __u32 xmit_async_map[8]; /* 1 bit means that given control + character is quoted on output*/ + __u32 recv_async_map; /* 1 bit means that given control + character is ignored on input*/ + __u32 bytes_sent; /* Bytes sent on frame */ + __u32 bytes_rcvd; /* Bytes recvd on frame */ + + /* Async transmission information */ + struct sk_buff *tpkt; /* frame currently being sent */ + int tpkt_pos; /* how much of it we've done */ + __u16 tfcs; /* FCS so far for it */ + unsigned char *optr; /* where we're up to in sending */ + unsigned char *olim; /* points past last valid char */ + + /* Async reception information */ + struct sk_buff *rpkt; /* frame currently being rcvd */ + __u16 rfcs; /* FCS so far of rpkt */ + + /* Queues for select() functionality */ + struct wait_queue *read_wait; /* queue for reading processes */ + + /* info for detecting idle channels */ + unsigned long last_xmit; /* time of last transmission */ + unsigned long last_recv; /* time last packet received */ + + /* Statistic information */ + struct pppstat stats; /* statistic information */ + + /* PPP compression protocol information */ + struct compressor *sc_xcomp; /* transmit compressor */ + void *sc_xc_state; /* transmit compressor state */ + struct compressor *sc_rcomp; /* receive decompressor */ + void *sc_rc_state; /* receive decompressor state */ + + enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */ + int sc_xfer; /* PID of reserved PPP table */ + char name[8]; /* space for unit name */ + struct device dev; /* net device structure */ + struct enet_statistics estats; /* more detailed stats */ + + /* tty output buffer */ + unsigned char obuf[OBUFSIZE]; /* buffer for characters to send */ +}; + +#define PPP_MAGIC 0x5002 +#define PPP_VERSION "2.3.11" |