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- /****************************************************************************
- * 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
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