2 * IrNET protocol module : Synchronous PPP over an IrDA socket.
4 * Jean II - HPL `00 - <jt@hpl.hp.com>
6 * This file contains all definitions and declarations necessary for the
7 * PPP part of the IrNET module.
8 * This file is a private header, so other modules don't want to know
15 /***************************** INCLUDES *****************************/
17 #include "irnet.h" /* Module global include */
18 #include <linux/miscdevice.h>
20 /************************ CONSTANTS & MACROS ************************/
22 /* IrNET control channel stuff */
23 #define IRNET_MAX_COMMAND 256 /* Max length of a command line */
25 /* PPP hardcore stuff */
27 /* Bits in rbits (PPP flags in irnet struct) */
28 #define SC_RCV_BITS (SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)
30 /* Bit numbers in busy */
36 /* Queue management */
37 #define PPPSYNC_MAX_RQLEN 32 /* arbitrary */
39 /****************************** TYPES ******************************/
42 /**************************** PROTOTYPES ****************************/
44 /* ----------------------- CONTROL CHANNEL ----------------------- */
46 irnet_ctrl_write(irnet_socket *,
50 irnet_ctrl_read(irnet_socket *,
54 static inline unsigned int
55 irnet_ctrl_poll(irnet_socket *,
58 /* ----------------------- CHARACTER DEVICE ----------------------- */
60 dev_irnet_open(struct inode *, /* fs callback : open */
62 dev_irnet_close(struct inode *,
65 dev_irnet_write(struct file *,
69 dev_irnet_read(struct file *,
74 dev_irnet_poll(struct file *,
77 dev_irnet_ioctl(struct file *,
80 /* ------------------------ PPP INTERFACE ------------------------ */
81 static inline struct sk_buff *
82 irnet_prepare_skb(irnet_socket *,
85 ppp_irnet_send(struct ppp_channel *,
88 ppp_irnet_ioctl(struct ppp_channel *,
92 /**************************** VARIABLES ****************************/
94 /* Filesystem callbacks (to call us) */
95 static const struct file_operations irnet_device_fops =
98 .read = dev_irnet_read,
99 .write = dev_irnet_write,
100 .poll = dev_irnet_poll,
101 .unlocked_ioctl = dev_irnet_ioctl,
102 .open = dev_irnet_open,
103 .release = dev_irnet_close,
104 .llseek = noop_llseek,
105 /* Also : llseek, readdir, mmap, flush, fsync, fasync, lock, readv, writev */
108 /* Structure so that the misc major (drivers/char/misc.c) take care of us... */
109 static struct miscdevice irnet_misc_device =
111 .minor = IRNET_MINOR,
113 .fops = &irnet_device_fops
116 #endif /* IRNET_PPP_H */