patch-2.4.0-test11 linux/net/irda/irnet/irnet_ppp.h

• Lines: 131
• Date: Sat Nov 11 18:11:23 2000
• Orig file: v2.4.0-test10/linux/net/irda/irnet/irnet_ppp.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.4.0-test10/linux/net/irda/irnet/irnet_ppp.h linux/net/irda/irnet/irnet_ppp.h
@@ -0,0 +1,130 @@
+/*
+ *	IrNET protocol module : Synchronous PPP over an IrDA socket.
+ *
+ *		Jean II - HPL `00 - <jt@hpl.hp.com>
+ *
+ * This file contains all definitions and declarations necessary for the
+ * PPP part of the IrNET module.
+ * This file is a private header, so other modules don't want to know
+ * what's in there...
+ */
+
+#ifndef IRNET_PPP_H
+#define IRNET_PPP_H
+
+/***************************** INCLUDES *****************************/
+
+#include "irnet.h"		/* Module global include */
+
+/************************ CONSTANTS & MACROS ************************/
+
+/* /dev/irnet file constants */
+#define IRNET_MAJOR	10	/* Misc range */
+#define IRNET_MINOR	187	/* Official allocation */
+
+#ifdef LINKNAME_IOCTL
+/* Compatibility with old ppp drivers
+ * Should be defined in <linux/if_ppp.h> */
+#ifndef PPPIOCSLINKNAME
+#define PPPIOCSLINKNAME	_IOW('t', 74, struct ppp_option_data)
+#endif PPPIOCSLINKNAME
+#endif LINKNAME_IOCTL
+
+/* PPP hardcore stuff */
+
+/* Bits in rbits (PPP flags in irnet struct) */
+#define SC_RCV_BITS	(SC_RCV_B7_1|SC_RCV_B7_0|SC_RCV_ODDP|SC_RCV_EVNP)
+
+/* Bit numbers in busy */
+#define XMIT_BUSY	0
+#define RECV_BUSY	1
+#define XMIT_WAKEUP	2
+#define XMIT_FULL	3
+
+/* Queue management */
+#define PPPSYNC_MAX_RQLEN	32	/* arbitrary */
+
+/****************************** TYPES ******************************/
+
+
+/**************************** PROTOTYPES ****************************/
+
+/* ----------------------- CONTROL CHANNEL ----------------------- */
+static inline ssize_t
+	irnet_ctrl_write(irnet_socket *,
+			 const char *,
+			 size_t);
+static inline ssize_t
+	irnet_ctrl_read(irnet_socket *,
+			struct file *,
+			char *,
+			size_t);
+static inline unsigned int
+	irnet_ctrl_poll(irnet_socket *,
+			struct file *,
+			poll_table *);
+/* ----------------------- CHARACTER DEVICE ----------------------- */
+static int
+	dev_irnet_open(struct inode *,	/* fs callback : open */
+		       struct file *),
+	dev_irnet_close(struct inode *,
+			struct file *);
+static ssize_t
+	dev_irnet_write(struct file *,
+			const char *,
+			size_t,
+			loff_t *),
+	dev_irnet_read(struct file *,
+		       char *,
+		       size_t,
+		       loff_t *);
+static unsigned int
+	dev_irnet_poll(struct file *,
+		       poll_table *);
+static int
+	dev_irnet_ioctl(struct inode *,
+			struct file *,
+			unsigned int,
+			unsigned long);
+/* ------------------------ PPP INTERFACE ------------------------ */
+static inline struct sk_buff *
+	irnet_prepare_skb(irnet_socket *,
+			  struct sk_buff *);
+static int
+	ppp_irnet_send(struct ppp_channel *,
+		      struct sk_buff *);
+static int
+	ppp_irnet_ioctl(struct ppp_channel *,
+			unsigned int,
+			unsigned long);
+
+/**************************** VARIABLES ****************************/
+
+/* Filesystem callbacks (to call us) */
+static struct file_operations irnet_device_fops =
+{
+  read:		dev_irnet_read,
+  write:	dev_irnet_write,
+  poll:		dev_irnet_poll,
+  ioctl:	dev_irnet_ioctl,
+  open:		dev_irnet_open,
+  release:	dev_irnet_close
+  /* Also : llseek, readdir, mmap, flush, fsync, fasync, lock, readv, writev */
+};
+
+/* Structure so that the misc major (drivers/char/misc.c) take care of us... */
+static struct miscdevice irnet_misc_device =
+{
+	IRNET_MINOR,
+	"irnet",
+	&irnet_device_fops
+};
+
+/* Generic PPP callbacks (to call us) */
+struct ppp_channel_ops irnet_ppp_ops =
+{
+  ppp_irnet_send,
+  ppp_irnet_ioctl
+};
+
+#endif IRNET_PPP_H