forked from Minki/linux
616f6b4023
Since the struct miscdevice have many members, it is dangerous to init it without members name relying only on member order. This patch add member name to the init declaration. Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/*
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* IrNET protocol module : Synchronous PPP over an IrDA socket.
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*
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* Jean II - HPL `00 - <jt@hpl.hp.com>
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*
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* This file contains all definitions and declarations necessary for the
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* PPP part of the IrNET module.
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* This file is a private header, so other modules don't want to know
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* what's in there...
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*/
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#ifndef IRNET_PPP_H
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#define IRNET_PPP_H
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/***************************** INCLUDES *****************************/
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#include "irnet.h" /* Module global include */
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#include <linux/miscdevice.h>
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/************************ CONSTANTS & MACROS ************************/
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/* IrNET control channel stuff */
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#define IRNET_MAX_COMMAND 256 /* Max length of a command line */
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/* PPP hardcore stuff */
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/* Bits in rbits (PPP flags in irnet struct) */
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#define SC_RCV_BITS (SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)
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/* Bit numbers in busy */
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#define XMIT_BUSY 0
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#define RECV_BUSY 1
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#define XMIT_WAKEUP 2
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#define XMIT_FULL 3
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/* Queue management */
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#define PPPSYNC_MAX_RQLEN 32 /* arbitrary */
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/****************************** TYPES ******************************/
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/**************************** PROTOTYPES ****************************/
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/* ----------------------- CONTROL CHANNEL ----------------------- */
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static inline ssize_t
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irnet_ctrl_write(irnet_socket *,
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const char *,
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size_t);
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static inline ssize_t
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irnet_ctrl_read(irnet_socket *,
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struct file *,
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char *,
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size_t);
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static inline unsigned int
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irnet_ctrl_poll(irnet_socket *,
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struct file *,
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poll_table *);
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/* ----------------------- CHARACTER DEVICE ----------------------- */
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static int
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dev_irnet_open(struct inode *, /* fs callback : open */
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struct file *),
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dev_irnet_close(struct inode *,
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struct file *);
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static ssize_t
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dev_irnet_write(struct file *,
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const char __user *,
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size_t,
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loff_t *),
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dev_irnet_read(struct file *,
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char __user *,
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size_t,
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loff_t *);
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static unsigned int
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dev_irnet_poll(struct file *,
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poll_table *);
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static long
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dev_irnet_ioctl(struct file *,
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unsigned int,
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unsigned long);
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/* ------------------------ PPP INTERFACE ------------------------ */
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static inline struct sk_buff *
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irnet_prepare_skb(irnet_socket *,
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struct sk_buff *);
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static int
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ppp_irnet_send(struct ppp_channel *,
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struct sk_buff *);
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static int
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ppp_irnet_ioctl(struct ppp_channel *,
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unsigned int,
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unsigned long);
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/**************************** VARIABLES ****************************/
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/* Filesystem callbacks (to call us) */
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static const struct file_operations irnet_device_fops =
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{
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.owner = THIS_MODULE,
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.read = dev_irnet_read,
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.write = dev_irnet_write,
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.poll = dev_irnet_poll,
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.unlocked_ioctl = dev_irnet_ioctl,
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.open = dev_irnet_open,
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.release = dev_irnet_close,
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.llseek = noop_llseek,
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/* Also : llseek, readdir, mmap, flush, fsync, fasync, lock, readv, writev */
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};
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/* Structure so that the misc major (drivers/char/misc.c) take care of us... */
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static struct miscdevice irnet_misc_device =
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{
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.minor = IRNET_MINOR,
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.name = "irnet",
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.fops = &irnet_device_fops
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};
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#endif /* IRNET_PPP_H */
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