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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /net/irda/irnet/irnet_ppp.h
Initial import
Diffstat (limited to 'net/irda/irnet/irnet_ppp.h')
-rw-r--r--net/irda/irnet/irnet_ppp.h119
1 files changed, 119 insertions, 0 deletions
diff --git a/net/irda/irnet/irnet_ppp.h b/net/irda/irnet/irnet_ppp.h
new file mode 100644
index 000000000..940225866
--- /dev/null
+++ b/net/irda/irnet/irnet_ppp.h
@@ -0,0 +1,119 @@
+/*
+ * 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 */
+
+/* IrNET control channel stuff */
+#define IRNET_MAX_COMMAND 256 /* Max length of a command line */
+
+/* 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 __user *,
+ size_t,
+ loff_t *),
+ dev_irnet_read(struct file *,
+ char __user *,
+ size_t,
+ loff_t *);
+static unsigned int
+ dev_irnet_poll(struct file *,
+ poll_table *);
+static long
+ dev_irnet_ioctl(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 const struct file_operations irnet_device_fops =
+{
+ .owner = THIS_MODULE,
+ .read = dev_irnet_read,
+ .write = dev_irnet_write,
+ .poll = dev_irnet_poll,
+ .unlocked_ioctl = dev_irnet_ioctl,
+ .open = dev_irnet_open,
+ .release = dev_irnet_close,
+ .llseek = noop_llseek,
+ /* 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
+};
+
+#endif /* IRNET_PPP_H */