diff options
Diffstat (limited to 'drivers/net/hamradio/kiss.h')
| -rw-r--r-- | drivers/net/hamradio/kiss.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/drivers/net/hamradio/kiss.h b/drivers/net/hamradio/kiss.h new file mode 100644 index 000000000..f4df5720d --- /dev/null +++ b/drivers/net/hamradio/kiss.h @@ -0,0 +1,90 @@ +/* + * kiss.h Define the KISS device driver interface and constants. + * + * NOTE: THIS FILE WILL BE MOVED TO THE LINUX INCLUDE DIRECTORY + * AS SOON AS POSSIBLE! + * + * Version: @(#)kiss.h 1.2.0 03/28/93 + * + * Fixes: + * Alan Cox : Added slip mtu field. + * Matt Dillon : Printable slip (borrowed from net2e) + * Alan Cox : Added SL_SLIP_LOTS + * Dmitry Gorodchanin : A lot of changes in the 'struct slip' + * Dmitry Gorodchanin : Added CSLIP statistics. + * Stanislav Voronyi : Make line checking as created by + * Igor Chechik, RELCOM Corp. + * Craig Schlenter : Fixed #define bug that caused + * CSLIP telnets to hang in 1.3.61-6 + * + * Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org> + */ +#ifndef _LINUX_KISS_H +#define _LINUX_KISS_H + +#include <linux/config.h> +#include <linux/netdevice.h> + +#define KISS_NRUNIT 16 +#define KISS_MTU (256+MAX_HEADER) + +/* KISS protocol characters. */ +#define END 0300 /* indicates end of frame */ +#define ESC 0333 /* indicates byte stuffing */ +#define ESC_END 0334 /* ESC ESC_END means END 'data' */ +#define ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */ + +typedef enum { + KISS_MODE_NORMAL, + KISS_MODE_ADAPTIVE, + KISS_MODE_FLEX, + KISS_MODE_SMACK, + KISS_MODE_COMPAT, + KISS_MODE_TNN_TOKENRING +} kiss_crcmode_t; + +typedef enum { + KISS_PARAM_TXDELAY=1, + KISS_PARAM_PPERS, + KISS_PARAM_SLOT, + KISS_PARAM_TXTAIL, + KISS_PARAM_DUPLEX +} kiss_command_t; + +struct kiss { + struct tty_struct *tty; /* ptr to TTY structure */ + struct net_device *dev; /* easy for intr handling */ + + spinlock_t lock; + + /* These are pointers to the malloc()ed frame buffers. */ + unsigned char *rbuff; /* receiver buffer */ + int rcount; /* received chars counter */ + unsigned char *xbuff; /* transmitter buffer */ + unsigned char *xhead; /* pointer to next byte to XMIT */ + int xleft; /* bytes left in XMIT queue */ + int mtu; /* Our mtu (to spot changes!) */ + int buffsize; /* Max buffers sizes */ + + struct { + int in_use:1; + int escape:1; + int error:1; + } flags; + + kiss_crcmode_t mode; /* KISS mode */ + + kdev_t line; + pid_t pid; + + struct net_device_stats stats; /* statistics */ + struct ax25_dev ax25dev; +}; + +typedef struct kiss_ctrl { + struct kiss ctrl; /* KISS things */ + struct net_device dev; /* the device */ +} kiss_ctrl_t; + + +#endif /* _LINUX_KISS.H */ |