diff options
Diffstat (limited to 'drivers/net/hamradio/mkiss.h')
| -rw-r--r-- | drivers/net/hamradio/mkiss.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/net/hamradio/mkiss.h b/drivers/net/hamradio/mkiss.h new file mode 100644 index 000000000000..4ab700478598 --- /dev/null +++ b/drivers/net/hamradio/mkiss.h | |||
| @@ -0,0 +1,62 @@ | |||
| 1 | /**************************************************************************** | ||
| 2 | * Defines for the Multi-KISS driver. | ||
| 3 | ****************************************************************************/ | ||
| 4 | |||
| 5 | #define AX25_MAXDEV 16 /* MAX number of AX25 channels; | ||
| 6 | This can be overridden with | ||
| 7 | insmod -oax25_maxdev=nnn */ | ||
| 8 | #define AX_MTU 236 | ||
| 9 | |||
| 10 | /* SLIP/KISS protocol characters. */ | ||
| 11 | #define END 0300 /* indicates end of frame */ | ||
| 12 | #define ESC 0333 /* indicates byte stuffing */ | ||
| 13 | #define ESC_END 0334 /* ESC ESC_END means END 'data' */ | ||
| 14 | #define ESC_ESC 0335 /* ESC ESC_ESC means ESC 'data' */ | ||
| 15 | |||
| 16 | struct ax_disp { | ||
| 17 | int magic; | ||
| 18 | |||
| 19 | /* Various fields. */ | ||
| 20 | struct tty_struct *tty; /* ptr to TTY structure */ | ||
| 21 | struct net_device *dev; /* easy for intr handling */ | ||
| 22 | |||
| 23 | /* These are pointers to the malloc()ed frame buffers. */ | ||
| 24 | unsigned char *rbuff; /* receiver buffer */ | ||
| 25 | int rcount; /* received chars counter */ | ||
| 26 | unsigned char *xbuff; /* transmitter buffer */ | ||
| 27 | unsigned char *xhead; /* pointer to next byte to XMIT */ | ||
| 28 | int xleft; /* bytes left in XMIT queue */ | ||
| 29 | |||
| 30 | /* SLIP interface statistics. */ | ||
| 31 | unsigned long rx_packets; /* inbound frames counter */ | ||
| 32 | unsigned long tx_packets; /* outbound frames counter */ | ||
| 33 | unsigned long rx_bytes; /* inbound bytes counter */ | ||
| 34 | unsigned long tx_bytes; /* outbound bytes counter */ | ||
| 35 | unsigned long rx_errors; /* Parity, etc. errors */ | ||
| 36 | unsigned long tx_errors; /* Planned stuff */ | ||
| 37 | unsigned long rx_dropped; /* No memory for skb */ | ||
| 38 | unsigned long tx_dropped; /* When MTU change */ | ||
| 39 | unsigned long rx_over_errors; /* Frame bigger then SLIP buf. */ | ||
| 40 | |||
| 41 | /* Detailed SLIP statistics. */ | ||
| 42 | int mtu; /* Our mtu (to spot changes!) */ | ||
| 43 | int buffsize; /* Max buffers sizes */ | ||
| 44 | |||
| 45 | |||
| 46 | unsigned long flags; /* Flag values/ mode etc */ | ||
| 47 | /* long req'd: used by set_bit --RR */ | ||
| 48 | #define AXF_INUSE 0 /* Channel in use */ | ||
| 49 | #define AXF_ESCAPE 1 /* ESC received */ | ||
| 50 | #define AXF_ERROR 2 /* Parity, etc. error */ | ||
| 51 | #define AXF_KEEPTEST 3 /* Keepalive test flag */ | ||
| 52 | #define AXF_OUTWAIT 4 /* is outpacket was flag */ | ||
| 53 | |||
| 54 | int mode; | ||
| 55 | int crcmode; /* MW: for FlexNet, SMACK etc. */ | ||
| 56 | #define CRC_MODE_NONE 0 | ||
| 57 | #define CRC_MODE_FLEX 1 | ||
| 58 | #define CRC_MODE_SMACK 2 | ||
| 59 | spinlock_t buflock; /* lock for rbuf and xbuf */ | ||
| 60 | }; | ||
| 61 | |||
| 62 | #define AX25_MAGIC 0x5316 | ||