-/* $Id: if_pppvar.h,v 1.1 1994/12/08 01:59:58 paulus Exp $ */
+/* From: if_pppvar.h,v 1.2 1995/06/12 11:36:51 paulus Exp */
/*
* if_pppvar.h - private structures and declarations for PPP.
*
* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+/*
+ * ==FILEVERSION 960302==
+ *
+ * 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.
* Buffers for the PPP process have the following structure
*/
-#define RBUFSIZE 2048 /* MUST be a power of 2 and be <= 4095 */
+#define RBUFSIZE 2048 /* MUST be a power of 2 and be <= 4095 */
+
struct ppp_buffer {
- int size; /* Size of the buffer area */
- int count; /* Count of characters in bufr */
- int head; /* index to head of list */
- int tail; /* index to tail of list */
- int locked; /* Buffer is being sent */
- int type; /* Type of the buffer */
+ __s32 size; /* Size of the buffer area */
+ __s32 count; /* Count of characters in bufr */
+ __s32 head; /* index to head of list */
+ __s32 tail; /* index to tail of list */
+ __u32 locked; /* Buffer is being sent */
+ __s32 type; /* Type of the buffer */
/* =0, device read buffer */
/* =1, device write buffer */
/* =2, daemon write buffer */
/* =3, daemon read buffer */
- unsigned short fcs; /* Frame Check Sequence (CRC) */
+ __u16 fcs; /* Frame Check Sequence (CRC) */
+ __u8 filler[4]; /* Extra space if needed */
};
/* Given a pointer to the ppp_buffer then return base address of buffer */
-#define buf_base(buf) ((u_char *) (&buf[1]))
+#define buf_base(buf) ((__u8 *) (&buf[1]))
/*
* Structure describing each ppp unit.
*/
struct ppp {
- int magic; /* magic value for structure */
+ __s32 magic; /* magic value for structure */
- /* Bitmapped flag fields. */
- char inuse; /* are we allocated? */
- char escape; /* 0x20 if prev char was PPP_ESC*/
- char toss; /* toss this frame */
+ /* Bitmapped flag fields. */
+ __u8 inuse; /* are we allocated? */
+ __u8 escape; /* 0x20 if prev char was PPP_ESC*/
+ __u8 toss; /* toss this frame */
- unsigned int flags; /* miscellany */
+ __u32 flags; /* miscellany */
- ext_accm xmit_async_map; /* 1 bit means that given control
+ __u32 xmit_async_map[8]; /* 1 bit means that given control
character is quoted on output*/
- unsigned long recv_async_map; /* 1 bit means that given control
+ __u32 recv_async_map; /* 1 bit means that given control
character is ignored on input*/
- int mtu; /* maximum xmit frame size */
- int mru; /* maximum receive frame size */
+ __s32 mtu; /* maximum xmit frame size */
+ __s32 mru; /* maximum receive frame size */
- /* Information about the current tty data */
- int line; /* PPP channel number */
+ /* Information about the current tty data */
+ __s32 line; /* PPP channel number */
struct tty_struct *tty; /* ptr to TTY structure */
- int bytes_sent; /* Bytes sent on frame */
- int bytes_rcvd; /* Bytes recvd on frame */
+ __s32 bytes_sent; /* Bytes sent on frame */
+ __s32 bytes_rcvd; /* Bytes recvd on frame */
- /* Interface to the network layer */
- struct device *dev; /* easy for intr handling */
+ /* Interface to the network layer */
+ struct device *dev; /* easy for intr handling */
- /* VJ Header compression data */
- struct slcompress *slcomp;/* for header compression */
+ /* VJ Header compression data */
+ struct slcompress *slcomp; /* for header compression */
- /* Transmission information */
- struct ppp_buffer *xbuf; /* Buffer currently being sent */
+ /* Transmission information */
+ struct ppp_buffer *xbuf; /* Buffer currently being sent */
struct ppp_buffer *s1buf; /* Pointer to daemon buffer */
struct ppp_buffer *s2buf; /* Pointer to device buffer */
- unsigned long last_xmit; /* time of last transmission */
+ __u32 last_xmit; /* time of last transmission */
/* These are pointers to the malloc()ed frame buffers.
These buffers are used while processing a packet. If a packet
has to hang around for the user process to read it, it lingers in
the user buffers below. */
- struct ppp_buffer *wbuf; /* Transmission information */
- struct ppp_buffer *tbuf; /* daemon transmission buffer */
- struct ppp_buffer *rbuf; /* Receive information */
- struct ppp_buffer *ubuf; /* User buffer information */
- struct ppp_buffer *cbuf; /* compression buffer */
+ struct ppp_buffer *wbuf; /* Transmission information */
+ struct ppp_buffer *tbuf; /* daemon transmission buffer */
+ struct ppp_buffer *rbuf; /* Receive information */
+ struct ppp_buffer *ubuf; /* User buffer information */
+ struct ppp_buffer *cbuf; /* compression buffer */
- /* Queues for select() functionality */
- struct wait_queue *write_wait; /* queue for reading processes */
- struct wait_queue *read_wait; /* queue for writing processes */
+ /* Queues for select() functionality */
+ struct wait_queue *write_wait; /* queue for reading processes */
+ struct wait_queue *read_wait; /* queue for writing processes */
- /* Statistic information */
- struct pppstat p; /* statistic information */
- struct ppp_ddinfo ddinfo; /* demand dial information */
+ /* Statistic information */
+ struct pppstat stats; /* statistic information */
+ struct ppp_idle ddinfo; /* demand dial information */
- /* PPP compression protocol information */
- u_int sc_bytessent; /* count of octets sent */
- u_int sc_bytesrcvd; /* count of octets received */
+ /* PPP compression protocol information */
+ __u32 sc_bytessent; /* count of octets sent */
+ __u32 sc_bytesrcvd; /* count of octets received */
enum NPmode sc_npmode[NUM_NP]; /* what to do with each NP */
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 */
+ __s32 sc_xfer; /* PID of reserved PPP table */
};
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