mirror of
https://github.com/torvalds/linux.git
synced 2024-11-28 07:01:32 +00:00
1da177e4c3
Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
63 lines
2.6 KiB
C
63 lines
2.6 KiB
C
/****************************************************************************
|
|
* Defines for the Multi-KISS driver.
|
|
****************************************************************************/
|
|
|
|
#define AX25_MAXDEV 16 /* MAX number of AX25 channels;
|
|
This can be overridden with
|
|
insmod -oax25_maxdev=nnn */
|
|
#define AX_MTU 236
|
|
|
|
/* SLIP/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' */
|
|
|
|
struct ax_disp {
|
|
int magic;
|
|
|
|
/* Various fields. */
|
|
struct tty_struct *tty; /* ptr to TTY structure */
|
|
struct net_device *dev; /* easy for intr handling */
|
|
|
|
/* 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 */
|
|
|
|
/* SLIP interface statistics. */
|
|
unsigned long rx_packets; /* inbound frames counter */
|
|
unsigned long tx_packets; /* outbound frames counter */
|
|
unsigned long rx_bytes; /* inbound bytes counter */
|
|
unsigned long tx_bytes; /* outbound bytes counter */
|
|
unsigned long rx_errors; /* Parity, etc. errors */
|
|
unsigned long tx_errors; /* Planned stuff */
|
|
unsigned long rx_dropped; /* No memory for skb */
|
|
unsigned long tx_dropped; /* When MTU change */
|
|
unsigned long rx_over_errors; /* Frame bigger then SLIP buf. */
|
|
|
|
/* Detailed SLIP statistics. */
|
|
int mtu; /* Our mtu (to spot changes!) */
|
|
int buffsize; /* Max buffers sizes */
|
|
|
|
|
|
unsigned long flags; /* Flag values/ mode etc */
|
|
/* long req'd: used by set_bit --RR */
|
|
#define AXF_INUSE 0 /* Channel in use */
|
|
#define AXF_ESCAPE 1 /* ESC received */
|
|
#define AXF_ERROR 2 /* Parity, etc. error */
|
|
#define AXF_KEEPTEST 3 /* Keepalive test flag */
|
|
#define AXF_OUTWAIT 4 /* is outpacket was flag */
|
|
|
|
int mode;
|
|
int crcmode; /* MW: for FlexNet, SMACK etc. */
|
|
#define CRC_MODE_NONE 0
|
|
#define CRC_MODE_FLEX 1
|
|
#define CRC_MODE_SMACK 2
|
|
spinlock_t buflock; /* lock for rbuf and xbuf */
|
|
};
|
|
|
|
#define AX25_MAGIC 0x5316
|