patch-2.1.53 linux/arch/sparc64/solaris/socksys.c

• Lines: 128
• Date: Thu Sep 4 12:54:48 1997
• Orig file: v2.1.52/linux/arch/sparc64/solaris/socksys.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.52/linux/arch/sparc64/solaris/socksys.c linux/arch/sparc64/solaris/socksys.c
@@ -0,0 +1,127 @@
+/* $Id: socksys.c,v 1.1 1997/09/03 12:29:27 jj Exp $
+ * socksys.c: /dev/inet/ stuff for Solaris emulation.
+ *
+ * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
+ * Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/smp.h>
+#include <linux/smp_lock.h>
+#include <linux/ioctl.h>
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/poll.h>
+
+#include <asm/uaccess.h>
+#include <asm/termios.h>
+
+#include "conv.h"
+
+extern asmlinkage int sys_ioctl(unsigned int fd, unsigned int cmd, 
+	unsigned long arg);
+	
+static int af_inet_protocols[] = {
+IPPROTO_ICMP, IPPROTO_ICMP, IPPROTO_IGMP, IPPROTO_IPIP, IPPROTO_TCP,
+IPPROTO_EGP, IPPROTO_PUP, IPPROTO_UDP, IPPROTO_IDP, IPPROTO_RAW,
+0, 0, 0, 0, 0, 0,
+};
+
+static struct file_operations socksys_file_ops = {
+	NULL,		/* lseek */
+	NULL,		/* read */
+	NULL,		/* write */
+	NULL,		/* readdir */
+	NULL,		/* poll */
+	NULL,		/* ioctl */
+	NULL,		/* mmap */
+	NULL,		/* open */
+	NULL,		/* release */
+};
+
+static int socksys_open(struct inode * inode, struct file * filp)
+{
+	int family, type, protocol, fd;
+	int (*sys_socket)(int,int,int) =
+		(int (*)(int,int,int))SUNOS(97);
+	
+	family = ((MINOR(inode->i_rdev) >> 4) & 0xf);
+	switch (family) {
+	case AF_UNIX:
+		type = SOCK_STREAM;
+		protocol = 0;
+		break;
+	case AF_INET:
+		protocol = af_inet_protocols[MINOR(inode->i_rdev) & 0xf];
+		switch (protocol) {
+		case IPPROTO_TCP: type = SOCK_STREAM; break;
+		case IPPROTO_UDP: type = SOCK_DGRAM; break;
+		default: type = SOCK_RAW; break;
+		}
+		break;
+	default:
+		type = SOCK_RAW;
+		protocol = 0;
+		break;
+	}
+	fd = sys_socket(family, type, protocol);
+	if (fd < 0) return fd;
+	return 0;
+}
+
+static int socksys_release(struct inode * inode, struct file * filp)
+{
+	return 0;
+}
+
+static unsigned int socksys_poll(struct file * filp, poll_table * wait)
+{
+	return 0;
+}
+	
+static struct file_operations socksys_fops = {
+	NULL,		/* lseek */
+	NULL,		/* read */
+	NULL,		/* write */
+	NULL,		/* readdir */
+	NULL,		/* poll */
+	NULL,		/* ioctl */
+	NULL,		/* mmap */
+	socksys_open,	/* open */
+	socksys_release,/* release */
+};
+
+__initfunc(int
+init_socksys(void))
+{
+	int ret;
+	int (*sys_socket)(int,int,int) =
+		(int (*)(int,int,int))SUNOS(97);
+	int (*sys_close)(unsigned int) = 
+		(int (*)(unsigned int))SYS(close);
+	
+	ret = register_chrdev (30, "socksys", &socksys_fops);
+	if (ret < 0) {
+		printk ("Couldn't register socksys character device\n");
+		return ret;
+	}
+	ret = sys_socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	if (ret < 0) {
+		printk ("Couldn't create socket\n");
+		return ret;
+	}
+	socksys_file_ops = *current->files->fd[ret]->f_op;
+	sys_close(ret);
+	socksys_file_ops.poll = socksys_poll;
+	socksys_file_ops.release = socksys_release;
+	return 0;
+}
+
+void
+cleanup_socksys(void)
+{
+	if (unregister_chrdev (30, "socksys"))
+		printk ("Couldn't unregister socksys character device\n");
+}