Import of Linux/MIPS 2.1.14

11 files changed, 4374 insertions, 0 deletions

diff --git a/net/rose/Makefile b/net/rose/Makefile
new file mode 100644
index 000000000..0d71de9cf
--- /dev/null
+++ b/net/rose/Makefile
@@ -0,0 +1,17 @@
+#
+# Makefile for the Linux Rose (X.25 PLP) layer.
+#
+# Note! Dependencies are done automagically by 'make dep', which also
+# removes any old dependencies. DON'T put your own dependencies here
+# unless it's something special (ie not a .c file).
+#
+# Note 2! The CFLAGS definition is now in the main makefile...
+
+O_TARGET := rose.o
+O_OBJS	 := af_rose.o sysctl_net_rose.o rose_dev.o rose_in.o rose_link.o rose_out.o rose_route.o rose_subr.o rose_timer.o
+M_OBJS   := $(O_TARGET)
+
+include $(TOPDIR)/Rules.make
+
+tar:
+		tar -cvf /dev/f1 .
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
new file mode 100644
index 000000000..4b8acd3f8
--- /dev/null
+++ b/net/rose/af_rose.c
@@ -0,0 +1,1459 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from af_netrom.c.
+ */
+  
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <linux/stat.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <linux/fcntl.h>
+#include <linux/termios.h>	/* For TIOCINQ/OUTQ */
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/notifier.h>
+#include <net/rose.h>
+#include <linux/proc_fs.h>
+#include <net/ip.h>
+#include <net/arp.h>
+#include <linux/if_arp.h>
+
+int sysctl_rose_restart_request_timeout = ROSE_DEFAULT_T0;
+int sysctl_rose_call_request_timeout    = ROSE_DEFAULT_T1;
+int sysctl_rose_reset_request_timeout   = ROSE_DEFAULT_T2;
+int sysctl_rose_clear_request_timeout   = ROSE_DEFAULT_T3;
+int sysctl_rose_no_activity_timeout     = ROSE_DEFAULT_IDLE;
+int sysctl_rose_routing_control         = 1;
+
+static unsigned int lci = 1;
+
+static struct sock *volatile rose_list = NULL;
+
+/*
+ *	Convert a Rose address into text.
+ */
+char *rose2asc(rose_address *addr)
+{
+	static char buffer[11];
+
+	if (addr->rose_addr[0] == 0x00 && addr->rose_addr[1] == 0x00 &&
+	    addr->rose_addr[2] == 0x00 && addr->rose_addr[3] == 0x00 &&
+	    addr->rose_addr[4] == 0x00) {
+		strcpy(buffer, "*");
+	} else {
+		sprintf(buffer, "%02X%02X%02X%02X%02X", addr->rose_addr[0] & 0xFF,
+						addr->rose_addr[1] & 0xFF,
+						addr->rose_addr[2] & 0xFF,
+						addr->rose_addr[3] & 0xFF,
+						addr->rose_addr[4] & 0xFF);
+	}
+
+	return buffer;
+}
+
+/*
+ *	Compare two Rose addresses, 0 == equal.
+ */
+int rosecmp(rose_address *addr1, rose_address *addr2)
+{
+	int i;
+
+	for (i = 0; i < 5; i++)
+		if (addr1->rose_addr[i] != addr2->rose_addr[i])
+			return 1;
+			
+	return 0;
+}
+
+/*
+ *	Socket removal during an interrupt is now safe.
+ */
+static void rose_remove_socket(struct sock *sk)
+{
+	struct sock *s;
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+
+	if ((s = rose_list) == sk) {
+		rose_list = s->next;
+		restore_flags(flags);
+		return;
+	}
+
+	while (s != NULL && s->next != NULL) {
+		if (s->next == sk) {
+			s->next = sk->next;
+			restore_flags(flags);
+			return;
+		}
+
+		s = s->next;
+	}
+
+	restore_flags(flags);
+}
+
+/*
+ *	Kill all bound sockets on a dropped device.
+ */
+static void rose_kill_by_device(struct device *dev)
+{
+	struct sock *s;
+	
+	for (s = rose_list; s != NULL; s = s->next) {
+		if (s->protinfo.rose->device == dev) {
+			s->protinfo.rose->state  = ROSE_STATE_0;
+			s->protinfo.rose->device = NULL;
+			s->state                 = TCP_CLOSE;
+			s->err                   = ENETUNREACH;
+			s->shutdown             |= SEND_SHUTDOWN;
+			s->state_change(s);
+			s->dead                  = 1;
+		}
+	}
+}
+
+/*
+ *	Handle device status changes.
+ */
+static int rose_device_event(struct notifier_block *this, unsigned long event, void *ptr)
+{
+	struct device *dev = (struct device *)ptr;
+
+	if (event != NETDEV_DOWN)
+		return NOTIFY_DONE;
+		
+	rose_kill_by_device(dev);
+	rose_rt_device_down(dev);
+	rose_link_device_down(dev);
+	
+	return NOTIFY_DONE;
+}
+
+/*
+ *	Add a socket to the bound sockets list.
+ */
+static void rose_insert_socket(struct sock *sk)
+{
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+
+	sk->next = rose_list;
+	rose_list  = sk;
+
+	restore_flags(flags);
+}
+
+/*
+ *	Find a socket that wants to accept the Call Request we just
+ *	received.
+ */
+static struct sock *rose_find_listener(ax25_address *call)
+{
+	unsigned long flags;
+	struct sock *s;
+
+	save_flags(flags);
+	cli();
+
+	for (s = rose_list; s != NULL; s = s->next) {
+		if (ax25cmp(&s->protinfo.rose->source_call, call) == 0 && s->protinfo.rose->source_ndigis == 0 && s->state == TCP_LISTEN) {
+			restore_flags(flags);
+			return s;
+		}
+	}
+
+	for (s = rose_list; s != NULL; s = s->next) {
+		if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0 && s->state == TCP_LISTEN) {
+			restore_flags(flags);
+			return s;
+		}
+	}
+
+	restore_flags(flags);
+	return NULL;
+}
+
+/*
+ *	Find a connected Rose socket given my LCI and device.
+ */
+struct sock *rose_find_socket(unsigned int lci, struct device *dev)
+{
+	struct sock *s;
+	unsigned long flags;
+
+	save_flags(flags);
+	cli();
+
+	for (s = rose_list; s != NULL; s = s->next) {
+		if (s->protinfo.rose->lci == lci && s->protinfo.rose->neighbour->dev == dev) {
+			restore_flags(flags);
+			return s;
+		}
+	}
+
+	restore_flags(flags);
+
+	return NULL;
+}
+
+/*
+ *	Find a unique LCI for a given device.
+ */
+unsigned int rose_new_lci(struct device *dev)
+{
+	lci++;
+	if (lci > 4095) lci = 1;
+
+	while (rose_find_socket(lci, dev) != NULL) {
+		lci++;
+		if (lci > 4095) lci = 1;
+	}
+
+	return lci;
+}
+
+/*
+ *	Deferred destroy.
+ */
+void rose_destroy_socket(struct sock *);
+
+/*
+ *	Handler for deferred kills.
+ */
+static void rose_destroy_timer(unsigned long data)
+{
+	rose_destroy_socket((struct sock *)data);
+}
+
+/*
+ *	This is called from user mode and the timers. Thus it protects itself against
+ *	interrupt users but doesn't worry about being called during work.
+ *	Once it is removed from the queue no interrupt or bottom half will
+ *	touch it and we are (fairly 8-) ) safe.
+ */
+void rose_destroy_socket(struct sock *sk)	/* Not static as it's used by the timer */
+{
+	struct sk_buff *skb;
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+	
+	del_timer(&sk->timer);
+	
+	rose_remove_socket(sk);
+	rose_clear_queues(sk);		/* Flush the queues */
+	
+	while ((skb = skb_dequeue(&sk->receive_queue)) != NULL) {
+		if (skb->sk != sk) {			/* A pending connection */
+			skb->sk->dead = 1;	/* Queue the unaccepted socket for death */
+			rose_set_timer(skb->sk);
+			skb->sk->protinfo.rose->state = ROSE_STATE_0;
+		}
+
+		kfree_skb(skb, FREE_READ);
+	}
+	
+	if (sk->wmem_alloc || sk->rmem_alloc) { /* Defer: outstanding buffers */
+		init_timer(&sk->timer);
+		sk->timer.expires  = jiffies + 10 * HZ;
+		sk->timer.function = rose_destroy_timer;
+		sk->timer.data     = (unsigned long)sk;
+		add_timer(&sk->timer);
+	} else {
+		kfree_s(sk->protinfo.rose, sizeof(*sk->protinfo.rose));
+		sk_free(sk);
+	}
+
+	restore_flags(flags);
+}
+
+/*
+ *	Handling for system calls applied via the various interfaces to a
+ *	Rose socket object.
+ */
+ 
+static int rose_fcntl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+	return -EINVAL;
+}
+
+/*
+ * dl1bke 960311: set parameters for existing Rose connections,
+ *		  includes a KILL command to abort any connection.
+ *		  VERY useful for debugging ;-)
+ */
+static int rose_ctl_ioctl(const unsigned int cmd, void *arg)
+{
+	struct rose_ctl_struct rose_ctl;
+	struct sock *sk;
+	unsigned long flags;
+	struct device *dev;
+	int err;
+	
+	if ((err = verify_area(VERIFY_READ, arg, sizeof(rose_ctl))) != 0)
+		return err;
+
+	copy_from_user(&rose_ctl, arg, sizeof(rose_ctl));
+
+	if ((dev = rose_ax25_dev_get(rose_ctl.dev)) == NULL)
+		return -EINVAL;
+	
+	if ((sk = rose_find_socket(rose_ctl.lci, dev)) == NULL)
+		return -ENOTCONN;
+
+	switch (rose_ctl.cmd) {
+		case ROSE_KILL:
+			rose_clear_queues(sk);
+			rose_write_internal(sk, ROSE_CLEAR_REQUEST);
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = ENETRESET;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			rose_set_timer(sk);
+	  		break;
+
+	  	case ROSE_T0:
+  			if (rose_ctl.arg < 1) 
+  				return -EINVAL;
+  			if (sk->protinfo.rose->neighbour != NULL) {
+	  			save_flags(flags); cli();
+	  			sk->protinfo.rose->neighbour->t0 = rose_ctl.arg * PR_SLOWHZ;
+	  			restore_flags(flags);
+	  		}
+  			break;
+
+	  	case ROSE_T1:
+  			if (rose_ctl.arg < 1) 
+  				return -EINVAL;
+  			save_flags(flags); cli();
+  			sk->protinfo.rose->t1 = rose_ctl.arg * PR_SLOWHZ;
+  			restore_flags(flags);
+  			break;
+
+	  	case ROSE_T2:
+	  		if (rose_ctl.arg < 1) 
+	  			return -EINVAL;
+	  		save_flags(flags); cli();
+	  		sk->protinfo.rose->t2 = rose_ctl.arg * PR_SLOWHZ;
+	  		restore_flags(flags);
+	  		break;
+
+	  	case ROSE_T3:
+	  		if (rose_ctl.arg < 1) 
+	  			return -EINVAL;
+	  		save_flags(flags); cli();
+	  		sk->protinfo.rose->t3 = rose_ctl.arg * PR_SLOWHZ;
+	  		restore_flags(flags);
+	  		break;
+
+	  	case ROSE_IDLE:
+	  		if (rose_ctl.arg < 1) 
+	  			return -EINVAL;
+	  		save_flags(flags); cli();
+	  		sk->protinfo.rose->idle = rose_ctl.arg * 60 * PR_SLOWHZ;
+	  		restore_flags(flags);
+	  		break;
+
+	  	default:
+	  		return -EINVAL;
+	  }
+	  
+	  return 0;
+}
+
+static int rose_setsockopt(struct socket *sock, int level, int optname,
+	char *optval, int optlen)
+{
+	struct sock *sk;
+	int err, opt;
+
+	sk = (struct sock *)sock->data;
+	
+	if (level == SOL_SOCKET)
+		return sock_setsockopt(sk, level, optname, optval, optlen);
+
+	if (level != SOL_ROSE)
+		return -EOPNOTSUPP;
+
+	if (optval == NULL)
+		return -EINVAL;
+
+	if ((err = verify_area(VERIFY_READ, optval, sizeof(int))) != 0)
+		return err;
+
+	get_user(opt, (int *)optval);
+	
+	switch (optname) {
+		case ROSE_T0:
+			if (opt < 1)
+				return -EINVAL;
+			if (sk->protinfo.rose->neighbour != NULL)
+				sk->protinfo.rose->neighbour->t0 = opt * PR_SLOWHZ;
+			return 0;
+
+		case ROSE_T1:
+			if (opt < 1)
+				return -EINVAL;
+			sk->protinfo.rose->t1 = opt * PR_SLOWHZ;
+			return 0;
+
+		case ROSE_T2:
+			if (opt < 1)
+				return -EINVAL;
+			sk->protinfo.rose->t2 = opt * PR_SLOWHZ;
+			return 0;
+			
+		case ROSE_T3:
+			if (opt < 1)
+				return -EINVAL;
+			sk->protinfo.rose->t3 = opt * PR_SLOWHZ;
+			return 0;
+			
+		case ROSE_IDLE:
+			if (opt < 1)
+				return -EINVAL;
+			sk->protinfo.rose->idle = opt * 60 * PR_SLOWHZ;
+			return 0;
+			
+		case ROSE_HDRINCL:
+			sk->protinfo.rose->hdrincl = opt ? 1 : 0;
+			return 0;
+
+		default:
+			return -ENOPROTOOPT;
+	}
+}
+
+static int rose_getsockopt(struct socket *sock, int level, int optname,
+	char *optval, int *optlen)
+{
+	struct sock *sk;
+	int val = 0;
+	int err; 
+
+	sk = (struct sock *)sock->data;
+	
+	if (level == SOL_SOCKET)
+		return sock_getsockopt(sk, level, optname, optval, optlen);
+	
+	if (level != SOL_ROSE)
+		return -EOPNOTSUPP;
+	
+	switch (optname) {
+		case ROSE_T0:
+			if (sk->protinfo.rose->neighbour != NULL)
+				val = sk->protinfo.rose->neighbour->t0 / PR_SLOWHZ;
+			else
+				val = sysctl_rose_restart_request_timeout / PR_SLOWHZ;
+			break;
+			
+		case ROSE_T1:
+			val = sk->protinfo.rose->t1 / PR_SLOWHZ;
+			break;
+			
+		case ROSE_T2:
+			val = sk->protinfo.rose->t2 / PR_SLOWHZ;
+			break;
+			
+		case ROSE_T3:
+			val = sk->protinfo.rose->t3 / PR_SLOWHZ;
+			break;
+						
+		case ROSE_IDLE:
+			val = sk->protinfo.rose->idle / (PR_SLOWHZ * 60);
+			break;
+						
+		case ROSE_HDRINCL:
+			val = sk->protinfo.rose->hdrincl;
+			break;
+
+		default:
+			return -ENOPROTOOPT;
+	}
+
+	if ((err = verify_area(VERIFY_WRITE, optlen, sizeof(int))) != 0)
+		return err;
+
+	put_user(sizeof(int), (unsigned long *)optlen);
+
+	if ((err = verify_area(VERIFY_WRITE, optval, sizeof(int))) != 0)
+		return err;
+
+	put_user(val, (unsigned long *)optval);
+
+	return 0;
+}
+
+static int rose_listen(struct socket *sock, int backlog)
+{
+	struct sock *sk = (struct sock *)sock->data;
+
+	if (sk->state != TCP_LISTEN) {
+		sk->protinfo.rose->dest_ndigis = 0;
+		memset(&sk->protinfo.rose->dest_addr, '\0', ROSE_ADDR_LEN);
+		memset(&sk->protinfo.rose->dest_call, '\0', AX25_ADDR_LEN);
+		memset(&sk->protinfo.rose->dest_digi, '\0', AX25_ADDR_LEN);
+		sk->max_ack_backlog = backlog;
+		sk->state           = TCP_LISTEN;
+		return 0;
+	}
+
+	return -EOPNOTSUPP;
+}
+
+static void def_callback1(struct sock *sk)
+{
+	if (!sk->dead)
+		wake_up_interruptible(sk->sleep);
+}
+
+static void def_callback2(struct sock *sk, int len)
+{
+	if (!sk->dead)
+		wake_up_interruptible(sk->sleep);
+}
+
+static int rose_create(struct socket *sock, int protocol)
+{
+	struct sock *sk;
+	rose_cb *rose;
+
+	if (sock->type != SOCK_SEQPACKET || protocol != 0)
+		return -ESOCKTNOSUPPORT;
+
+	if ((sk = sk_alloc(GFP_ATOMIC)) == NULL)
+		return -ENOMEM;
+
+	if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
+		sk_free(sk);
+		return -ENOMEM;
+	}
+
+	skb_queue_head_init(&sk->receive_queue);
+	skb_queue_head_init(&sk->write_queue);
+	skb_queue_head_init(&sk->back_log);
+
+	init_timer(&sk->timer);
+
+	sk->socket        = sock;
+	sk->type          = sock->type;
+	sk->protocol      = protocol;
+	sk->allocation	  = GFP_KERNEL;
+	sk->rcvbuf        = SK_RMEM_MAX;
+	sk->sndbuf        = SK_WMEM_MAX;
+	sk->state         = TCP_CLOSE;
+	sk->priority      = SOPRI_NORMAL;
+	sk->mtu           = ROSE_MTU;	/* 128 */
+	sk->zapped        = 1;
+	sk->window	  = ROSE_DEFAULT_WINDOW;
+
+	sk->state_change = def_callback1;
+	sk->data_ready   = def_callback2;
+	sk->write_space  = def_callback1;
+	sk->error_report = def_callback1;
+
+	if (sock != NULL) {
+		sock->data = (void *)sk;
+		sk->sleep  = sock->wait;
+	}
+
+	skb_queue_head_init(&rose->ack_queue);
+	skb_queue_head_init(&rose->frag_queue);
+
+	rose->lci      = 0;
+
+	rose->t1       = sysctl_rose_call_request_timeout;
+	rose->t2       = sysctl_rose_reset_request_timeout;
+	rose->t3       = sysctl_rose_clear_request_timeout;
+	rose->idle     = sysctl_rose_no_activity_timeout;
+
+	rose->timer    = 0;
+
+	rose->va       = 0;
+	rose->vr       = 0;
+	rose->vs       = 0;
+	rose->vl       = 0;
+
+	rose->fraglen    = 0;
+	rose->hdrincl    = 0;
+	rose->state      = ROSE_STATE_0;
+	rose->neighbour  = NULL;
+	rose->device     = NULL;
+
+	rose->source_ndigis = 0;
+	rose->dest_ndigis   = 0;
+
+	memset(&rose->source_addr, '\0', ROSE_ADDR_LEN);
+	memset(&rose->dest_addr,   '\0', ROSE_ADDR_LEN);
+	memset(&rose->source_call, '\0', AX25_ADDR_LEN);
+	memset(&rose->dest_call,   '\0', AX25_ADDR_LEN);
+	memset(&rose->source_digi, '\0', AX25_ADDR_LEN);
+	memset(&rose->dest_digi,   '\0', AX25_ADDR_LEN);
+
+	rose->sk          = sk;
+	sk->protinfo.rose = rose;
+
+	return 0;
+}
+
+static struct sock *rose_make_new(struct sock *osk)
+{
+	struct sock *sk;
+	rose_cb *rose;
+
+	if (osk->type != SOCK_SEQPACKET)
+		return NULL;
+
+	if ((sk = (struct sock *)sk_alloc(GFP_ATOMIC)) == NULL)
+		return NULL;
+
+	if ((rose = (rose_cb *)kmalloc(sizeof(*rose), GFP_ATOMIC)) == NULL) {
+		sk_free(sk);
+		return NULL;
+	}
+
+	skb_queue_head_init(&sk->receive_queue);
+	skb_queue_head_init(&sk->write_queue);
+	skb_queue_head_init(&sk->back_log);
+
+	init_timer(&sk->timer);
+
+	sk->type        = osk->type;
+	sk->socket      = osk->socket;
+	sk->priority    = osk->priority;
+	sk->protocol    = osk->protocol;
+	sk->rcvbuf      = osk->rcvbuf;
+	sk->sndbuf      = osk->sndbuf;
+	sk->debug       = osk->debug;
+	sk->state       = TCP_ESTABLISHED;
+	sk->window      = osk->window;
+	sk->mtu         = osk->mtu;
+	sk->sleep       = osk->sleep;
+	sk->zapped      = osk->zapped;
+
+	sk->state_change = def_callback1;
+	sk->data_ready   = def_callback2;
+	sk->write_space  = def_callback1;
+	sk->error_report = def_callback1;
+
+	skb_queue_head_init(&rose->ack_queue);
+	skb_queue_head_init(&rose->frag_queue);
+
+	rose->t1       = osk->protinfo.rose->t1;
+	rose->t2       = osk->protinfo.rose->t2;
+	rose->t3       = osk->protinfo.rose->t3;
+	rose->idle     = osk->protinfo.rose->idle;
+
+	rose->device   = osk->protinfo.rose->device;
+	rose->hdrincl  = osk->protinfo.rose->hdrincl;
+	rose->fraglen  = 0;
+
+	rose->timer    = 0;
+
+	rose->va       = 0;
+	rose->vr       = 0;
+	rose->vs       = 0;
+	rose->vl       = 0;
+	
+	sk->protinfo.rose = rose;
+	rose->sk          = sk;
+
+	return sk;
+}
+
+static int rose_dup(struct socket *newsock, struct socket *oldsock)
+{
+	struct sock *sk = (struct sock *)oldsock->data;
+
+	return rose_create(newsock, sk->protocol);
+}
+
+static int rose_release(struct socket *sock, struct socket *peer)
+{
+	struct sock *sk = (struct sock *)sock->data;
+
+	if (sk == NULL) return 0;
+
+	switch (sk->protinfo.rose->state) {
+
+		case ROSE_STATE_0:
+			sk->state     = TCP_CLOSE;
+			sk->shutdown |= SEND_SHUTDOWN;
+			sk->state_change(sk);
+			sk->dead      = 1;
+			rose_destroy_socket(sk);
+			break;
+
+		case ROSE_STATE_1:
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			sk->state_change(sk);
+			sk->dead                 = 1;
+			rose_destroy_socket(sk);
+			break;
+
+		case ROSE_STATE_2:
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			sk->state_change(sk);
+			sk->dead                 = 1;
+			rose_destroy_socket(sk);
+			break;			
+
+		case ROSE_STATE_3:
+		case ROSE_STATE_4:
+			rose_clear_queues(sk);
+			rose_write_internal(sk, ROSE_CLEAR_REQUEST);
+			sk->protinfo.rose->timer = sk->protinfo.rose->t3;
+			sk->protinfo.rose->state = ROSE_STATE_2;
+			sk->state                = TCP_CLOSE;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			sk->state_change(sk);
+			sk->dead                 = 1;
+			sk->destroy              = 1;
+			break;
+
+		default:
+			break;
+	}
+
+	sock->data = NULL;	
+	sk->socket = NULL;	/* Not used, but we should do this. **/
+
+	return 0;
+}
+
+static int rose_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
+{
+	struct sock *sk;
+	struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
+	struct device *dev;
+	ax25_address *user, *source;
+	
+	sk = (struct sock *)sock->data;
+
+	if (sk->zapped == 0)
+		return -EINVAL;
+		
+	if (addr_len != sizeof(struct sockaddr_rose))
+		return -EINVAL;
+
+	if ((dev = rose_dev_get(&addr->srose_addr)) == NULL) {
+		if (sk->debug)
+			printk("Rose: bind failed: invalid address\n");
+		return -EADDRNOTAVAIL;
+	}
+
+	source = &addr->srose_call;
+
+	if ((user = ax25_findbyuid(current->euid)) == NULL) {
+		if (ax25_uid_policy && !suser())
+			return -EACCES;
+		user = source;
+	}
+
+	sk->protinfo.rose->source_addr = addr->srose_addr;
+	sk->protinfo.rose->source_call = *user;
+	sk->protinfo.rose->device      = dev;
+
+	if (addr->srose_ndigis == 1) {
+		sk->protinfo.rose->source_ndigis = 1;
+		sk->protinfo.rose->source_digi   = addr->srose_digi;
+	}
+
+	rose_insert_socket(sk);
+
+	sk->zapped = 0;
+
+	if (sk->debug)
+		printk("Rose: socket is bound\n");
+
+	return 0;
+}
+
+static int rose_connect(struct socket *sock, struct sockaddr *uaddr, int addr_len, int flags)
+{
+	struct sock *sk = (struct sock *)sock->data;
+	struct sockaddr_rose *addr = (struct sockaddr_rose *)uaddr;
+	ax25_address *user;
+	struct device *dev;
+	
+	if (sk->state == TCP_ESTABLISHED && sock->state == SS_CONNECTING) {
+		sock->state = SS_CONNECTED;
+		return 0;	/* Connect completed during a ERESTARTSYS event */
+	}
+	
+	if (sk->state == TCP_CLOSE && sock->state == SS_CONNECTING) {
+		sock->state = SS_UNCONNECTED;
+		return -ECONNREFUSED;
+	}
+	
+	if (sk->state == TCP_ESTABLISHED)
+		return -EISCONN;	/* No reconnect on a seqpacket socket */
+		
+	sk->state   = TCP_CLOSE;	
+	sock->state = SS_UNCONNECTED;
+
+	if (addr_len != sizeof(struct sockaddr_rose))
+		return -EINVAL;
+
+	if ((sk->protinfo.rose->neighbour = rose_get_neigh(&addr->srose_addr)) == NULL)	
+		return -ENETUNREACH;
+
+	if (sk->zapped) {	/* Must bind first - autobinding in this may or may not work */
+		sk->zapped = 0;
+
+		if ((dev = rose_dev_first()) == NULL)
+			return -ENETUNREACH;
+
+		if ((user = ax25_findbyuid(current->euid)) == NULL)
+			return -EINVAL;
+
+		memcpy(&sk->protinfo.rose->source_addr, dev->dev_addr, ROSE_ADDR_LEN);
+		sk->protinfo.rose->source_call = *user;
+		sk->protinfo.rose->device      = dev;
+
+		rose_insert_socket(sk);		/* Finish the bind */
+	}
+
+	sk->protinfo.rose->dest_addr = addr->srose_addr;
+	sk->protinfo.rose->dest_call = addr->srose_call;
+	if (addr->srose_ndigis == 1) {
+		sk->protinfo.rose->dest_ndigis = 1;
+		sk->protinfo.rose->dest_digi   = addr->srose_digi;
+	}
+	sk->protinfo.rose->lci       = rose_new_lci(sk->protinfo.rose->neighbour->dev);
+
+	/* Move to connecting socket, start sending Connect Requests */
+	sock->state   = SS_CONNECTING;
+	sk->state     = TCP_SYN_SENT;
+
+	sk->protinfo.rose->state = ROSE_STATE_1;
+	sk->protinfo.rose->timer = sk->protinfo.rose->t1;
+	rose_write_internal(sk, ROSE_CALL_REQUEST);
+
+	rose_set_timer(sk);
+	
+	/* Now the loop */
+	if (sk->state != TCP_ESTABLISHED && (flags & O_NONBLOCK))
+		return -EINPROGRESS;
+		
+	cli();	/* To avoid races on the sleep */
+
+	/*
+	 * A Connect Ack with Choke or timeout or failed routing will go to closed.
+	 */
+	while (sk->state == TCP_SYN_SENT) {
+		interruptible_sleep_on(sk->sleep);
+		if (current->signal & ~current->blocked) {
+			sti();
+			return -ERESTARTSYS;
+		}
+	}
+
+	if (sk->state != TCP_ESTABLISHED) {
+		sti();
+		sock->state = SS_UNCONNECTED;
+		return sock_error(sk);	/* Always set at this point */
+	}
+	
+	sock->state = SS_CONNECTED;
+
+	sti();
+	
+	return 0;
+}
+	
+static int rose_socketpair(struct socket *sock1, struct socket *sock2)
+{
+	return -EOPNOTSUPP;
+}
+
+static int rose_accept(struct socket *sock, struct socket *newsock, int flags)
+{
+	struct sock *sk;
+	struct sock *newsk;
+	struct sk_buff *skb;
+
+	if (newsock->data)
+		sk_free(newsock->data);
+
+	newsock->data = NULL;
+	
+	sk = (struct sock *)sock->data;
+
+	if (sk->type != SOCK_SEQPACKET)
+		return -EOPNOTSUPP;
+	
+	if (sk->state != TCP_LISTEN)
+		return -EINVAL;
+		
+	/*
+	 *	The write queue this time is holding sockets ready to use
+	 *	hooked into the SABM we saved
+	 */
+	do {
+		cli();
+		if ((skb = skb_dequeue(&sk->receive_queue)) == NULL) {
+			if (flags & O_NONBLOCK) {
+				sti();
+				return 0;
+			}
+			interruptible_sleep_on(sk->sleep);
+			if (current->signal & ~current->blocked) {
+				sti();
+				return -ERESTARTSYS;
+			}
+		}
+	} while (skb == NULL);
+
+	newsk = skb->sk;
+	newsk->pair = NULL;
+	sti();
+
+	/* Now attach up the new socket */
+	skb->sk = NULL;
+	kfree_skb(skb, FREE_READ);
+	sk->ack_backlog--;
+	newsock->data = newsk;
+
+	return 0;
+}
+
+static int rose_getname(struct socket *sock, struct sockaddr *uaddr,
+	int *uaddr_len, int peer)
+{
+	struct sockaddr_rose *srose = (struct sockaddr_rose *)uaddr;
+	struct sock *sk;
+	
+	sk = (struct sock *)sock->data;
+	
+	if (peer != 0) {
+		if (sk->state != TCP_ESTABLISHED)
+			return -ENOTCONN;
+		srose->srose_family = AF_ROSE;
+		srose->srose_ndigis = 0;
+		srose->srose_addr   = sk->protinfo.rose->dest_addr;
+		srose->srose_call   = sk->protinfo.rose->dest_call;
+		if (sk->protinfo.rose->dest_ndigis == 1) {
+			srose->srose_ndigis = 1;
+			srose->srose_digi   = sk->protinfo.rose->dest_digi;
+		}
+		*uaddr_len = sizeof(struct sockaddr_rose);
+	} else {
+		srose->srose_family = AF_ROSE;
+		srose->srose_ndigis = 0;
+		srose->srose_addr   = sk->protinfo.rose->source_addr;
+		srose->srose_call   = sk->protinfo.rose->source_call;
+		if (sk->protinfo.rose->source_ndigis == 1) {
+			srose->srose_ndigis = 1;
+			srose->srose_digi   = sk->protinfo.rose->source_digi;
+		}
+		*uaddr_len = sizeof(struct sockaddr_rose);
+	}
+
+	return 0;
+}
+ 
+int rose_rx_call_request(struct sk_buff *skb, struct device *dev, struct rose_neigh *neigh, unsigned int lci)
+{
+	struct sock *sk;
+	struct sock *make;	
+	rose_cb rose;
+
+	skb->sk = NULL;		/* Initially we don't know who it's for */
+
+	/*
+	 *	skb->data points to the rose frame start
+	 */
+
+	/*
+	 * XXX This is an error.
+	 */
+	if (!rose_parse_facilities(skb, &rose)) {
+		return 0;
+	}
+		
+	sk = rose_find_listener(&rose.source_call);
+
+	/*
+	 * We can't accept the Call Request.
+	 */
+	if (sk == NULL || sk->ack_backlog == sk->max_ack_backlog || (make = rose_make_new(sk)) == NULL) {
+		rose_transmit_clear_request(neigh, lci, 0x01);
+		return 0;
+	}
+
+	skb->sk     = make;
+	make->state = TCP_ESTABLISHED;
+
+	make->protinfo.rose->lci           = lci;
+	make->protinfo.rose->dest_addr     = rose.dest_addr;
+	make->protinfo.rose->dest_call     = rose.dest_call;
+	make->protinfo.rose->dest_ndigis   = rose.dest_ndigis;
+	make->protinfo.rose->dest_digi     = rose.dest_digi;
+	make->protinfo.rose->source_addr   = rose.source_addr;
+	make->protinfo.rose->source_call   = rose.source_call;
+	make->protinfo.rose->source_ndigis = rose.source_ndigis;
+	make->protinfo.rose->source_digi   = rose.source_digi;
+	make->protinfo.rose->neighbour     = neigh;
+	make->protinfo.rose->device        = dev;
+	
+	rose_write_internal(make, ROSE_CALL_ACCEPTED);
+
+	make->protinfo.rose->condition = 0x00;
+	make->protinfo.rose->vs        = 0;
+	make->protinfo.rose->va        = 0;
+	make->protinfo.rose->vr        = 0;
+	make->protinfo.rose->vl        = 0;
+	make->protinfo.rose->state     = ROSE_STATE_3;
+	sk->ack_backlog++;
+	make->pair = sk;
+
+	rose_insert_socket(make);
+
+	skb_queue_head(&sk->receive_queue, skb);
+
+	rose_set_timer(make);
+
+	if (!sk->dead)
+		sk->data_ready(sk, skb->len);
+
+	return 1;
+}
+
+static int rose_sendmsg(struct socket *sock, struct msghdr *msg, int len, int noblock, int flags)
+{
+	struct sock *sk = (struct sock *)sock->data;
+	struct sockaddr_rose *usrose = (struct sockaddr_rose *)msg->msg_name;
+	int err;
+	struct sockaddr_rose srose;
+	struct sk_buff *skb;
+	unsigned char *asmptr;
+	int size;
+	
+	if (sk->err)
+		return sock_error(sk);
+
+	if (flags)
+		return -EINVAL;
+
+	if (sk->zapped)
+		return -EADDRNOTAVAIL;
+
+	if (sk->shutdown & SEND_SHUTDOWN) {
+		send_sig(SIGPIPE, current, 0);
+		return -EPIPE;
+	}
+
+	if (sk->protinfo.rose->device == NULL)
+		return -ENETUNREACH;
+		
+	if (usrose) {
+		if (msg->msg_namelen < sizeof(srose))
+			return -EINVAL;
+		srose = *usrose;
+		if (rosecmp(&sk->protinfo.rose->dest_addr, &srose.srose_addr) != 0 ||
+		    ax25cmp(&sk->protinfo.rose->dest_call, &srose.srose_call) != 0)
+			return -EISCONN;
+		if (srose.srose_ndigis == 1 && sk->protinfo.rose->dest_ndigis == 1) {
+			if (ax25cmp(&sk->protinfo.rose->dest_digi, &srose.srose_digi) != 0)
+				return -EISCONN;
+		}
+		if (srose.srose_family != AF_ROSE)
+			return -EINVAL;
+	} else {
+		if (sk->state != TCP_ESTABLISHED)
+			return -ENOTCONN;
+
+		srose.srose_family = AF_ROSE;
+		srose.srose_addr   = sk->protinfo.rose->dest_addr;
+		srose.srose_call   = sk->protinfo.rose->dest_call;
+		srose.srose_ndigis = 0;
+
+		if (sk->protinfo.rose->dest_ndigis == 1) {
+			srose.srose_ndigis = 1;
+			srose.srose_digi   = sk->protinfo.rose->dest_digi;
+		}
+	}
+	
+	if (sk->debug)
+		printk("Rose: sendto: Addresses built.\n");
+
+	/* Build a packet */
+	if (sk->debug)
+		printk("Rose: sendto: building packet.\n");
+
+	size = len + AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
+
+	if ((skb = sock_alloc_send_skb(sk, size, 0, 0, &err)) == NULL)
+		return err;
+
+	skb->sk   = sk;
+	skb->free = 1;
+	skb->arp  = 1;
+
+	skb_reserve(skb, size - len);
+	
+	/*
+	 *	Push down the Rose header
+	 */
+
+	asmptr = skb_push(skb, ROSE_MIN_LEN);
+
+	if (sk->debug)
+		printk("Building Rose Header.\n");
+
+	/* Build a Rose Transport header */
+
+	*asmptr++ = ((sk->protinfo.rose->lci >> 8) & 0x0F) | GFI;
+	*asmptr++ = (sk->protinfo.rose->lci >> 0) & 0xFF;
+	*asmptr++ = ROSE_DATA;
+	
+	if (sk->debug)
+		printk("Built header.\n");
+
+	/*
+	 *	Put the data on the end
+	 */
+
+	skb->h.raw = skb_put(skb, len);
+
+	asmptr = skb->h.raw;
+	
+	if (sk->debug)
+		printk("Rose: Appending user data\n");
+
+	/* User data follows immediately after the Rose transport header */
+	memcpy_fromiovec(asmptr, msg->msg_iov, len);
+
+	if (sk->debug)
+		printk("Rose: Transmitting buffer\n");
+
+	if (sk->state != TCP_ESTABLISHED) {
+		kfree_skb(skb, FREE_WRITE);
+		return -ENOTCONN;
+	}
+
+	rose_output(sk, skb);	/* Shove it onto the queue */
+
+	return len;
+}
+
+
+static int rose_recvmsg(struct socket *sock, struct msghdr *msg, int size, int noblock,
+		   int flags, int *addr_len)
+{
+	struct sock *sk = (struct sock *)sock->data;
+	struct sockaddr_rose *srose = (struct sockaddr_rose *)msg->msg_name;
+	int copied;
+	struct sk_buff *skb;
+	int er;
+
+	if (addr_len != NULL)
+		*addr_len = sizeof(*srose);
+
+	/*
+	 * This works for seqpacket too. The receiver has ordered the queue for
+	 * us! We do one quick check first though
+	 */
+	if (sk->state != TCP_ESTABLISHED)
+		return -ENOTCONN;
+
+	/* Now we can treat all alike */
+	if ((skb = skb_recv_datagram(sk, flags, noblock, &er)) == NULL)
+		return er;
+
+	if (!sk->protinfo.rose->hdrincl) {
+		skb_pull(skb, ROSE_MIN_LEN);
+		skb->h.raw = skb->data;
+	}
+
+	copied = skb->len;
+	
+	if (copied > size) {
+		copied = size;
+		msg->msg_flags |= MSG_TRUNC;
+	}
+	
+	skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
+	
+	if (srose != NULL) {
+		struct sockaddr_rose addr;
+		
+		addr.srose_family = AF_ROSE;
+		addr.srose_addr   = sk->protinfo.rose->dest_addr;
+		addr.srose_call   = sk->protinfo.rose->dest_call;
+		addr.srose_ndigis = 0;
+
+		if (sk->protinfo.rose->dest_ndigis == 1) {
+			addr.srose_ndigis = 1;
+			addr.srose_digi   = sk->protinfo.rose->dest_digi;
+		}
+
+		*srose = addr;
+
+		*addr_len = sizeof(*srose);
+	}
+
+	skb_free_datagram(sk, skb);
+
+	return copied;
+}
+
+static int rose_shutdown(struct socket *sk, int how)
+{
+	return -EOPNOTSUPP;
+}
+
+static int rose_select(struct socket *sock , int sel_type, select_table *wait)
+{
+	struct sock *sk = (struct sock *)sock->data;
+
+	return datagram_select(sk, sel_type, wait);
+}
+
+static int rose_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
+{
+	struct sock *sk = (struct sock *)sock->data;
+	int err;
+	long amount = 0;
+
+	switch (cmd) {
+		case TIOCOUTQ:
+			if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(unsigned int))) != 0)
+				return err;
+			amount = sk->sndbuf - sk->wmem_alloc;
+			if (amount < 0)
+				amount = 0;
+			put_user(amount, (unsigned int *)arg);
+			return 0;
+
+		case TIOCINQ: {
+			struct sk_buff *skb;
+			/* These two are safe on a single CPU system as only user tasks fiddle here */
+			if ((skb = skb_peek(&sk->receive_queue)) != NULL)
+				amount = skb->len - 20;
+			if ((err = verify_area(VERIFY_WRITE, (void *)arg, sizeof(unsigned int))) != 0)
+				return err;
+			put_user(amount, (unsigned int *)arg);
+			return 0;
+		}
+
+		case SIOCGSTAMP:
+			if (sk != NULL) {
+				if (sk->stamp.tv_sec==0)
+					return -ENOENT;
+				if ((err = verify_area(VERIFY_WRITE,(void *)arg,sizeof(struct timeval))) != 0)
+					return err;
+				copy_to_user((void *)arg, &sk->stamp, sizeof(struct timeval));
+				return 0;
+			}
+			return -EINVAL;
+
+		case SIOCGIFADDR:
+		case SIOCSIFADDR:
+		case SIOCGIFDSTADDR:
+		case SIOCSIFDSTADDR:
+		case SIOCGIFBRDADDR:
+		case SIOCSIFBRDADDR:
+		case SIOCGIFNETMASK:
+		case SIOCSIFNETMASK:
+		case SIOCGIFMETRIC:
+		case SIOCSIFMETRIC:
+			return -EINVAL;
+
+		case SIOCADDRT:
+		case SIOCDELRT:
+			if (!suser()) return -EPERM;
+			return rose_rt_ioctl(cmd, (void *)arg);
+
+ 		case SIOCRSCTLCON:
+ 			if (!suser()) return -EPERM;
+ 			return rose_ctl_ioctl(cmd, (void *)arg);
+ 
+ 		default:
+			return dev_ioctl(cmd, (void *)arg);
+	}
+
+	/*NOTREACHED*/
+	return 0;
+}
+
+static int rose_get_info(char *buffer, char **start, off_t offset, int length, int dummy)
+{
+	struct sock *s;
+	struct device *dev;
+	const char *devname, *callsign;
+	int len = 0;
+	off_t pos = 0;
+	off_t begin = 0;
+  
+	cli();
+
+	len += sprintf(buffer, "dest_addr  dest_call dest_digi src_addr   src_call  src_digi  dev   lci st vs vr va   t  t1  t2  t3 Snd-Q Rcv-Q\n");
+
+	for (s = rose_list; s != NULL; s = s->next) {
+		if ((dev = s->protinfo.rose->device) == NULL)
+			devname = "???";
+		else
+			devname = dev->name;
+
+		len += sprintf(buffer + len, "%-10s %-9s ",
+			rose2asc(&s->protinfo.rose->dest_addr),
+			ax2asc(&s->protinfo.rose->dest_call));
+		len += sprintf(buffer + len, "%-9s ",
+			ax2asc(&s->protinfo.rose->dest_digi));
+
+		if (ax25cmp(&s->protinfo.rose->source_call, &null_ax25_address) == 0)
+			callsign = "??????-?";
+		else
+			callsign = ax2asc(&s->protinfo.rose->source_call);
+
+		len += sprintf(buffer + len, "%-10s %-9s ",
+			rose2asc(&s->protinfo.rose->source_addr),
+			callsign);
+		len += sprintf(buffer + len, "%-9s %-5s %3.3X  %d  %d  %d  %d %3d %3d %3d %3d %5d %5d\n",
+			ax2asc(&s->protinfo.rose->source_digi),
+			devname,  s->protinfo.rose->lci & 0x0FFF,
+			s->protinfo.rose->state,
+			s->protinfo.rose->vs, s->protinfo.rose->vr, s->protinfo.rose->va,
+			s->protinfo.rose->timer / PR_SLOWHZ,
+			s->protinfo.rose->t1    / PR_SLOWHZ,
+			s->protinfo.rose->t2    / PR_SLOWHZ,
+			s->protinfo.rose->t3    / PR_SLOWHZ,
+			s->wmem_alloc, s->rmem_alloc);
+		
+		pos = begin + len;
+
+		if (pos < offset) {
+			len   = 0;
+			begin = pos;
+		}
+		
+		if (pos > offset + length)
+			break;
+	}
+
+	sti();
+
+	*start = buffer + (offset - begin);
+	len   -= (offset - begin);
+
+	if (len > length) len = length;
+
+	return(len);
+} 
+
+struct proto_ops rose_proto_ops = {
+	AF_ROSE,
+	
+	rose_create,
+	rose_dup,
+	rose_release,
+	rose_bind,
+	rose_connect,
+	rose_socketpair,
+	rose_accept,
+	rose_getname,
+	rose_select,
+	rose_ioctl,
+	rose_listen,
+	rose_shutdown,
+	rose_setsockopt,
+	rose_getsockopt,
+	rose_fcntl,
+	rose_sendmsg,
+	rose_recvmsg
+};
+
+struct notifier_block rose_dev_notifier = {
+	rose_device_event,
+	0
+};
+
+void rose_proto_init(struct net_proto *pro)
+{
+	sock_register(rose_proto_ops.family, &rose_proto_ops);
+	register_netdevice_notifier(&rose_dev_notifier);
+	printk(KERN_INFO "G4KLX Rose for Linux. Version 0.1 for AX25.034 Linux 2.1\n");
+
+	if (!ax25_protocol_register(AX25_P_ROSE, rose_route_frame))
+		printk(KERN_ERR "Rose unable to register protocol with AX.25\n");
+	if (!ax25_linkfail_register(rose_link_failed))
+		printk(KERN_ERR "Rose unable to register linkfail handler with AX.25\n");
+
+	rose_register_sysctl();
+
+#ifdef CONFIG_PROC_FS
+	proc_net_register(&(struct proc_dir_entry) {
+		PROC_NET_RS, 4, "rose",
+		S_IFREG | S_IRUGO, 1, 0, 0,
+		0, &proc_net_inode_operations, 
+		rose_get_info
+	});
+	proc_net_register(&(struct proc_dir_entry) {
+		PROC_NET_RS_NEIGH, 10, "rose_neigh",
+		S_IFREG | S_IRUGO, 1, 0, 0,
+		0, &proc_net_inode_operations, 
+		rose_neigh_get_info
+	});
+	proc_net_register(&(struct proc_dir_entry) {
+		PROC_NET_RS_NODES, 10, "rose_nodes",
+		S_IFREG | S_IRUGO, 1, 0, 0,
+		0, &proc_net_inode_operations, 
+		rose_nodes_get_info
+	});
+
+	proc_net_register(&(struct proc_dir_entry) {
+		PROC_NET_RS_ROUTES, 11, "rose_routes",
+		S_IFREG | S_IRUGO, 1, 0, 0,
+		0, &proc_net_inode_operations, 
+		rose_routes_get_info
+	});
+#endif	
+}
+
+#endif
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
new file mode 100644
index 000000000..7fe6a00e6
--- /dev/null
+++ b/net/rose/rose_dev.c
@@ -0,0 +1,298 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_dev.c.
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/fs.h>
+#include <linux/types.h>
+#include <linux/sysctl.h>
+#include <linux/string.h>
+#include <linux/socket.h>
+#include <linux/errno.h>
+#include <linux/fcntl.h>
+#include <linux/in.h>
+#include <linux/if_ether.h>	/* For the statistics structure. */
+
+#include <asm/system.h>
+#include <asm/segment.h>
+#include <asm/io.h>
+
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/etherdevice.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+
+#include <net/ip.h>
+#include <net/arp.h>
+
+#include <net/ax25.h>
+#include <net/rose.h>
+
+/*
+ *	Only allow IP over Rose frames through if the netrom device is up.
+ */
+
+int rose_rx_ip(struct sk_buff *skb, struct device *dev)
+{
+	struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
+
+	if (!dev->start) {
+		stats->rx_errors++;
+		return 0;
+	}
+
+	stats->rx_packets++;
+	skb->protocol = htons(ETH_P_IP);
+
+	/* Spoof incoming device */
+	skb->dev = dev;
+
+	skb->h.raw = skb->data;
+	ip_rcv(skb, skb->dev, NULL);
+
+	return 1;
+}
+
+static int rose_header(struct sk_buff *skb, struct device *dev, unsigned short type,
+	void *daddr, void *saddr, unsigned len)
+{
+	unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);
+
+	*buff++ = GFI | Q_BIT;
+	*buff++ = 0x00;
+	*buff++ = ROSE_DATA;
+	*buff++ = 0x7F;
+	*buff++ = AX25_P_IP;
+
+	if (daddr != NULL)
+		return 37;
+	
+	return -37;	
+}
+
+static int rose_rebuild_header(void *buff, struct device *dev,
+	unsigned long raddr, struct sk_buff *skb)
+{
+	struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
+	unsigned char *bp = (unsigned char *)buff;
+	struct sk_buff *skbn;
+
+	if (!arp_query(bp + 7, raddr, dev)) {
+		dev_kfree_skb(skb, FREE_WRITE);
+		return 1;
+	}
+
+	if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
+		dev_kfree_skb(skb, FREE_WRITE);
+		return 1;
+	}
+
+	skbn->sk = skb->sk;
+	
+	if (skbn->sk != NULL)
+		atomic_add(skbn->truesize, &skbn->sk->wmem_alloc);
+
+	dev_kfree_skb(skb, FREE_WRITE);
+
+	if (!rose_route_frame(skbn, NULL)) {
+		dev_kfree_skb(skbn, FREE_WRITE);
+		stats->tx_errors++;
+	}
+
+	stats->tx_packets++;
+
+	return 1;
+}
+
+static int rose_set_mac_address(struct device *dev, void *addr)
+{
+	struct sockaddr *sa = addr;
+
+	ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
+
+	memcpy(dev->dev_addr, sa->sa_data, dev->addr_len);
+	
+	ax25_listen_register((ax25_address *)dev->dev_addr, NULL);
+
+	return 0;
+}
+
+static int rose_open(struct device *dev)
+{
+	dev->tbusy = 0;
+	dev->start = 1;
+
+	MOD_INC_USE_COUNT;
+
+	ax25_listen_register((ax25_address *)dev->dev_addr, NULL);
+
+	return 0;
+}
+
+static int rose_close(struct device *dev)
+{
+	dev->tbusy = 1;
+	dev->start = 0;
+
+	ax25_listen_release((ax25_address *)dev->dev_addr, NULL);
+
+	MOD_DEC_USE_COUNT;
+
+	return 0;
+}
+
+static int rose_xmit(struct sk_buff *skb, struct device *dev)
+{
+	struct enet_statistics *stats = (struct enet_statistics *)dev->priv;
+
+	if (skb == NULL || dev == NULL)
+		return 0;
+
+	if (!dev->start) {
+		printk(KERN_ERR "rose: xmit call when iface is down\n");
+		return 1;
+	}
+
+	cli();
+
+	if (dev->tbusy != 0) {
+		sti();
+		stats->tx_errors++;
+		return 1;
+	}
+
+	dev->tbusy = 1;
+
+	sti();
+
+	dev_kfree_skb(skb, FREE_WRITE);
+
+	stats->tx_errors++;
+
+	dev->tbusy = 0;
+
+	mark_bh(NET_BH);
+
+	return 0;
+}
+
+static struct enet_statistics *rose_get_stats(struct device *dev)
+{
+	return (struct enet_statistics *)dev->priv;
+}
+
+int rose_init(struct device *dev)
+{
+	int i;
+
+	dev->mtu		= ROSE_PACLEN - 2;
+	dev->tbusy		= 0;
+	dev->hard_start_xmit	= rose_xmit;
+	dev->open		= rose_open;
+	dev->stop		= rose_close;
+
+	dev->hard_header	= rose_header;
+	dev->hard_header_len	= AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
+	dev->addr_len		= ROSE_ADDR_LEN;
+	dev->type		= ARPHRD_ROSE;
+	dev->rebuild_header	= rose_rebuild_header;
+	dev->set_mac_address    = rose_set_mac_address;
+
+	/* New-style flags. */
+	dev->flags		= 0;
+	dev->family		= AF_INET;
+
+	dev->pa_addr		= 0;
+	dev->pa_brdaddr		= 0;
+	dev->pa_mask		= 0;
+	dev->pa_alen		= sizeof(unsigned long);
+
+	if ((dev->priv = kmalloc(sizeof(struct enet_statistics), GFP_KERNEL)) == NULL)
+		return -ENOMEM;
+
+	memset(dev->priv, 0, sizeof(struct enet_statistics));
+
+	dev->get_stats = rose_get_stats;
+
+	/* Fill in the generic fields of the device structure. */
+	for (i = 0; i < DEV_NUMBUFFS; i++)
+		skb_queue_head_init(&dev->buffs[i]);
+
+	return 0;
+};
+
+#ifdef MODULE
+extern struct proto_ops rose_proto_ops;
+extern struct notifier_block rose_dev_notifier;
+
+static struct device dev_rose[] = {
+	{"rose0", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init},
+	{"rose1", 0, 0, 0, 0, 0, 0, 0, 0, 0, NULL, rose_init}
+};
+
+int init_module(void)
+{
+	register_netdev(&dev_rose[0]);
+	register_netdev(&dev_rose[1]);
+
+	register_symtab(NULL);
+
+	rose_proto_init(NULL);
+	
+	return 0;
+}
+
+void cleanup_module(void)
+{
+	int i;
+
+#ifdef CONFIG_PROC_FS
+	proc_net_unregister(PROC_NET_RS);
+	proc_net_unregister(PROC_NET_RS_NEIGH);
+	proc_net_unregister(PROC_NET_RS_NODES);
+	proc_net_unregister(PROC_NET_RS_ROUTES);
+#endif
+	rose_rt_free();
+
+	ax25_protocol_release(AX25_P_ROSE);
+	ax25_linkfail_release(rose_link_failed);
+
+	rose_unregister_sysctl();
+
+	unregister_netdevice_notifier(&rose_dev_notifier);
+
+	sock_unregister(rose_proto_ops.family);
+	
+	for (i = 0; i < 2; i++) {
+		if (dev_rose[i].priv != NULL) {
+			kfree(dev_rose[i].priv);
+			dev_rose[i].priv = NULL;
+			unregister_netdev(&dev_rose[i]);
+		}
+	}
+}
+
+#endif
+
+#endif
diff --git a/net/rose/rose_in.c b/net/rose/rose_in.c
new file mode 100644
index 000000000..20374dbb1
--- /dev/null
+++ b/net/rose/rose_in.c
@@ -0,0 +1,333 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	Most of this code is based on the SDL diagrams published in the 7th
+ *	ARRL Computer Networking Conference papers. The diagrams have mistakes
+ *	in them, but are mostly correct. Before you modify the code could you
+ *	read the SDL diagrams as the code is not obvious and probably very
+ *	easy to break;
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_in.c
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <net/ip.h>			/* For ip_rcv */
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <net/rose.h>
+
+static int rose_queue_rx_frame(struct sock *sk, struct sk_buff *skb, int more)
+{
+	struct sk_buff *skbo, *skbn = skb;
+
+	if (more) {
+		sk->protinfo.rose->fraglen += skb->len;
+		skb_queue_tail(&sk->protinfo.rose->frag_queue, skb);
+		return 0;
+	}
+	
+	if (!more && sk->protinfo.rose->fraglen > 0) {	/* End of fragment */
+		sk->protinfo.rose->fraglen += skb->len;
+		skb_queue_tail(&sk->protinfo.rose->frag_queue, skb);
+
+		if ((skbn = alloc_skb(sk->protinfo.rose->fraglen, GFP_ATOMIC)) == NULL)
+			return 1;
+
+		skbn->free = 1;
+		skbn->arp  = 1;
+		skbn->sk   = sk;
+		sk->rmem_alloc += skbn->truesize;
+		skbn->h.raw = skbn->data;
+
+		skbo = skb_dequeue(&sk->protinfo.rose->frag_queue);
+		memcpy(skb_put(skbn, skbo->len), skbo->data, skbo->len);
+		kfree_skb(skbo, FREE_READ);
+
+		while ((skbo = skb_dequeue(&sk->protinfo.rose->frag_queue)) != NULL) {
+			skb_pull(skbo, ROSE_MIN_LEN);
+			memcpy(skb_put(skbn, skbo->len), skbo->data, skbo->len);
+			kfree_skb(skbo, FREE_READ);
+		}
+
+		sk->protinfo.rose->fraglen = 0;		
+	}
+
+	return sock_queue_rcv_skb(sk, skbn);
+}
+
+/*
+ * State machine for state 1, Awaiting Call Accepted State.
+ * The handling of the timer(s) is in file rose_timer.c.
+ * Handling of state 0 and connection release is in af_rose.c.
+ */
+static int rose_state1_machine(struct sock *sk, struct sk_buff *skb, int frametype)
+{
+	switch (frametype) {
+
+		case ROSE_CALL_ACCEPTED:
+			sk->protinfo.rose->timer = 0;
+			sk->protinfo.rose->vs    = 0;
+			sk->protinfo.rose->va    = 0;
+			sk->protinfo.rose->vr    = 0;
+			sk->protinfo.rose->vl    = 0;
+			sk->protinfo.rose->state = ROSE_STATE_3;
+			sk->state                = TCP_ESTABLISHED;
+			if (!sk->dead)
+				sk->state_change(sk);
+			break;
+
+		case ROSE_CLEAR_REQUEST:
+			rose_clear_queues(sk);
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = ECONNREFUSED;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			break;
+
+		default:		/* XXX */
+			printk(KERN_WARNING "rose: unknown %02X in state 1\n", frametype);
+			break;
+	}
+
+	return 0;
+}
+
+/*
+ * State machine for state 2, Awaiting Clear Confirmation State.
+ * The handling of the timer(s) is in file rose_timer.c
+ * Handling of state 0 and connection release is in af_rose.c.
+ */
+static int rose_state2_machine(struct sock *sk, struct sk_buff *skb, int frametype)
+{
+	switch (frametype) {
+
+		case ROSE_CLEAR_REQUEST:
+		case ROSE_CLEAR_CONFIRMATION:
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = 0;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			break;
+
+		default:		/* XXX */
+			printk(KERN_WARNING "rose: unknown %02X in state 2\n", frametype);
+			break;
+	}
+
+	return 0;
+}
+
+/*
+ * State machine for state 3, Connected State.
+ * The handling of the timer(s) is in file rose_timer.c
+ * Handling of state 0 and connection release is in af_rose.c.
+ */
+static int rose_state3_machine(struct sock *sk, struct sk_buff *skb, int frametype, int ns, int nr, int q, int d, int m)
+{
+	int queued = 0;
+
+	switch (frametype) {
+
+		case ROSE_RESET_REQUEST:
+			rose_clear_queues(sk);
+			rose_write_internal(sk, ROSE_RESET_CONFIRMATION);
+			sk->protinfo.rose->condition = 0x00;
+			sk->protinfo.rose->vs        = 0;
+			sk->protinfo.rose->vr        = 0;
+			sk->protinfo.rose->va        = 0;
+			sk->protinfo.rose->vl        = 0;
+			break;
+
+		case ROSE_CLEAR_REQUEST:
+			rose_clear_queues(sk);
+			rose_write_internal(sk, ROSE_CLEAR_CONFIRMATION);
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = 0;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			break;
+
+		case ROSE_RR:
+		case ROSE_RNR:
+			if (frametype == ROSE_RNR) {
+				sk->protinfo.rose->condition |= PEER_RX_BUSY_CONDITION;
+			} else {
+				sk->protinfo.rose->condition &= ~PEER_RX_BUSY_CONDITION;
+			}
+			if (!rose_validate_nr(sk, nr)) {
+				rose_clear_queues(sk);
+				rose_write_internal(sk, ROSE_RESET_REQUEST);
+				sk->protinfo.rose->condition = 0x00;
+				sk->protinfo.rose->vs        = 0;
+				sk->protinfo.rose->vr        = 0;
+				sk->protinfo.rose->va        = 0;
+				sk->protinfo.rose->vl        = 0;
+				sk->protinfo.rose->state     = ROSE_STATE_4;
+				sk->protinfo.rose->timer     = sk->protinfo.rose->t2;
+			} else {
+				if (sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) {
+					rose_frames_acked(sk, nr);
+				} else {
+					rose_check_iframes_acked(sk, nr);
+				}
+			}
+			break;
+			
+		case ROSE_DATA:	/* XXX */
+			sk->protinfo.rose->condition &= ~PEER_RX_BUSY_CONDITION;
+			if (!rose_validate_nr(sk, nr)) {
+				rose_clear_queues(sk);
+				rose_write_internal(sk, ROSE_RESET_REQUEST);
+				sk->protinfo.rose->condition = 0x00;
+				sk->protinfo.rose->vs        = 0;
+				sk->protinfo.rose->vr        = 0;
+				sk->protinfo.rose->va        = 0;
+				sk->protinfo.rose->vl        = 0;
+				sk->protinfo.rose->state     = ROSE_STATE_4;
+				sk->protinfo.rose->timer     = sk->protinfo.rose->t2;
+				break;
+			}
+			if (sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) {
+				rose_frames_acked(sk, nr);
+			} else {
+				rose_check_iframes_acked(sk, nr);
+			}
+			if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)
+				break;
+			if (ns == sk->protinfo.rose->vr) {
+				if (rose_queue_rx_frame(sk, skb, m) == 0) {
+					sk->protinfo.rose->vr = (sk->protinfo.rose->vr + 1) % ROSE_MODULUS;
+					queued = 1;
+				} else {
+					sk->protinfo.rose->condition |= OWN_RX_BUSY_CONDITION;
+				}
+			}
+			/*
+			 * If the window is full, ack the frame.
+			 */
+			if (((sk->protinfo.rose->vl + sk->window) % ROSE_MODULUS) == sk->protinfo.rose->vr)
+				rose_enquiry_response(sk);
+			break;
+
+		default:
+			printk(KERN_WARNING "rose: unknown %02X in state 3\n", frametype);
+			break;
+	}
+
+	return queued;
+}
+
+/*
+ * State machine for state 4, Awaiting Reset Confirmation State.
+ * The handling of the timer(s) is in file rose_timer.c
+ * Handling of state 0 and connection release is in af_rose.c.
+ */
+static int rose_state4_machine(struct sock *sk, struct sk_buff *skb, int frametype)
+{
+	switch (frametype) {
+
+		case ROSE_RESET_CONFIRMATION:
+		case ROSE_RESET_REQUEST:
+			sk->protinfo.rose->timer     = 0;
+			sk->protinfo.rose->condition = 0x00;
+			sk->protinfo.rose->va        = 0;
+			sk->protinfo.rose->vr        = 0;
+			sk->protinfo.rose->vs        = 0;
+			sk->protinfo.rose->vl        = 0;
+			sk->protinfo.rose->state     = ROSE_STATE_3;
+			break;
+
+		case ROSE_CLEAR_REQUEST:
+			rose_clear_queues(sk);
+			rose_write_internal(sk, ROSE_CLEAR_CONFIRMATION);
+			sk->protinfo.rose->timer = 0;
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = 0;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			break;
+
+		default:		/* XXX */
+			printk(KERN_WARNING "rose: unknown %02X in state 4\n", frametype);
+			break;
+	}
+
+	return 0;
+}
+
+/* Higher level upcall for a LAPB frame */
+int rose_process_rx_frame(struct sock *sk, struct sk_buff *skb)
+{
+	int queued = 0, frametype, ns, nr, q, d, m;
+	
+	if (sk->protinfo.rose->state == ROSE_STATE_0)
+		return 0;
+
+	del_timer(&sk->timer);
+
+	frametype = rose_decode(skb, &ns, &nr, &q, &d, &m);
+
+	switch (sk->protinfo.rose->state) {
+		case ROSE_STATE_1:
+			queued = rose_state1_machine(sk, skb, frametype);
+			break;
+		case ROSE_STATE_2:
+			queued = rose_state2_machine(sk, skb, frametype);
+			break;
+		case ROSE_STATE_3:
+			queued = rose_state3_machine(sk, skb, frametype, ns, nr, q, d, m);
+			break;
+		case ROSE_STATE_4:
+			queued = rose_state4_machine(sk, skb, frametype);
+			break;
+	}
+
+	rose_set_timer(sk);
+
+	return queued;
+}
+
+#endif
diff --git a/net/rose/rose_link.c b/net/rose/rose_link.c
new file mode 100644
index 000000000..d0bf308f0
--- /dev/null
+++ b/net/rose/rose_link.c
@@ -0,0 +1,301 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from rose_timer.c
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/firewall.h>
+#include <net/rose.h>
+
+static void rose_link_timer(unsigned long);
+
+/*
+ *	Linux set/reset timer routines
+ */
+static void rose_link_set_timer(struct rose_neigh *neigh)
+{
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+	del_timer(&neigh->timer);
+	restore_flags(flags);
+
+	neigh->timer.next     = neigh->timer.prev = NULL;	
+	neigh->timer.data     = (unsigned long)neigh;
+	neigh->timer.function = &rose_link_timer;
+
+	neigh->timer.expires  = jiffies + 10;
+	add_timer(&neigh->timer);
+}
+
+static void rose_link_reset_timer(struct rose_neigh *neigh)
+{
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+	del_timer(&neigh->timer);
+	restore_flags(flags);
+
+	neigh->timer.data     = (unsigned long)neigh;
+	neigh->timer.function = &rose_link_timer;
+	neigh->timer.expires  = jiffies + 10;
+	add_timer(&neigh->timer);
+}
+
+/*
+ *	Rose Link Timer
+ *
+ *	This routine is called every 100ms. Decrement timer by this
+ *	amount - if expired then process the event.
+ */
+static void rose_link_timer(unsigned long param)
+{
+	struct rose_neigh *neigh = (struct rose_neigh *)param;
+
+	if (neigh->t0timer == 0 || --neigh->t0timer > 0) {
+		rose_link_reset_timer(neigh);
+		return;
+	}
+
+	/*
+	 * T0 for a link has expired.
+	 */
+	rose_transmit_restart_request(neigh);
+
+	neigh->t0timer = neigh->t0;
+
+	rose_link_set_timer(neigh);
+}
+
+/*
+ *	This handles all restart and diagnostic frames.
+ */
+void rose_link_rx_restart(struct sk_buff *skb, struct rose_neigh *neigh, unsigned short frametype)
+{
+	struct sk_buff *skbn;
+
+	switch (frametype) {
+		case ROSE_RESTART_REQUEST:
+			neigh->t0timer   = 0;
+			neigh->restarted = 1;
+			del_timer(&neigh->timer);
+			rose_transmit_restart_confirmation(neigh);
+			break;
+
+		case ROSE_RESTART_CONFIRMATION:
+			neigh->t0timer   = 0;
+			neigh->restarted = 1;
+			del_timer(&neigh->timer);
+			break;
+
+		case ROSE_DIAGNOSTIC:
+			printk(KERN_WARNING "rose: diagnostic #%d\n", skb->data[3]);
+			break;
+			
+		default:
+			printk(KERN_WARNING "rose: received unknown %02X with LCI 000\n", frametype);
+			break;
+	}
+
+	if (neigh->restarted) {
+		while ((skbn = skb_dequeue(&neigh->queue)) != NULL)
+			if (!ax25_send_frame(skbn, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+				kfree_skb(skbn, FREE_WRITE);
+	}
+}
+
+/*
+ *	This routine is called when a Restart Request is needed
+ */
+void rose_transmit_restart_request(struct rose_neigh *neigh)
+{
+	struct sk_buff *skb;
+	unsigned char *dptr;
+	int len;
+
+	len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 3;
+
+	if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+		return;
+
+	skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN);
+
+	dptr = skb_put(skb, ROSE_MIN_LEN + 3);
+
+	*dptr++ = AX25_P_ROSE;
+	*dptr++ = GFI;
+	*dptr++ = 0x00;
+	*dptr++ = ROSE_RESTART_REQUEST;
+	*dptr++ = 0x00;
+	*dptr++ = 0;
+
+	skb->free = 1;
+	skb->sk   = NULL;
+
+	if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+		kfree_skb(skb, FREE_WRITE);
+}
+
+/*
+ * This routine is called when a Restart Confirmation is needed
+ */
+void rose_transmit_restart_confirmation(struct rose_neigh *neigh)
+{
+	struct sk_buff *skb;
+	unsigned char *dptr;
+	int len;
+
+	len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
+
+	if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+		return;
+
+	skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN);
+
+	dptr = skb_put(skb, ROSE_MIN_LEN + 1);
+
+	*dptr++ = AX25_P_ROSE;
+	*dptr++ = GFI;
+	*dptr++ = 0x00;
+	*dptr++ = ROSE_RESTART_CONFIRMATION;
+
+	skb->free = 1;
+	skb->sk   = NULL;
+
+	if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+		kfree_skb(skb, FREE_WRITE);
+}
+
+/*
+ * This routine is called when a Diagnostic is required.
+ */
+void rose_transmit_diagnostic(struct rose_neigh *neigh, unsigned char diag)
+{
+	struct sk_buff *skb;
+	unsigned char *dptr;
+	int len;
+
+	len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 2;
+
+	if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+		return;
+
+	skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN);
+
+	dptr = skb_put(skb, ROSE_MIN_LEN + 2);
+
+	*dptr++ = AX25_P_ROSE;
+	*dptr++ = GFI;
+	*dptr++ = 0x00;
+	*dptr++ = ROSE_DIAGNOSTIC;
+	*dptr++ = diag;
+
+	skb->free = 1;
+	skb->sk   = NULL;
+
+	if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+		kfree_skb(skb, FREE_WRITE);
+}
+
+/*
+ * This routine is called when a Clear Request is needed outside of the context
+ * of a connected socket.
+ */
+void rose_transmit_clear_request(struct rose_neigh *neigh, unsigned int lci, unsigned char cause)
+{
+	struct sk_buff *skb;
+	unsigned char *dptr;
+	int len;
+
+	len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 3;
+
+	if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+		return;
+
+	skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN);
+
+	dptr = skb_put(skb, ROSE_MIN_LEN + 3);
+
+	*dptr++ = AX25_P_ROSE;
+	*dptr++ = ((lci >> 8) & 0x0F) | GFI;
+	*dptr++ = ((lci >> 0) & 0xFF);
+	*dptr++ = ROSE_CLEAR_REQUEST;
+	*dptr++ = cause;
+	*dptr++ = 0x00;
+
+	skb->free = 1;
+	skb->sk   = NULL;
+
+	if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+		kfree_skb(skb, FREE_WRITE);
+}
+
+void rose_transmit_link(struct sk_buff *skb, struct rose_neigh *neigh)
+{
+	unsigned char *dptr;
+
+#ifdef CONFIG_FIREWALL
+	if (call_fw_firewall(PF_ROSE, skb->dev, skb->data, NULL) != FW_ACCEPT)
+		return;
+#endif
+
+	if (!ax25_link_up((ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->dev))
+		neigh->restarted = 0;
+
+	dptr = skb_push(skb, 1);
+	*dptr++ = AX25_P_ROSE;
+
+	skb->arp  = 1;
+	skb->free = 1;
+
+	if (neigh->restarted) {
+		if (!ax25_send_frame(skb, (ax25_address *)neigh->dev->dev_addr, &neigh->callsign, neigh->digipeat, neigh->dev))
+			kfree_skb(skb, FREE_WRITE);
+	} else {
+		skb_queue_tail(&neigh->queue, skb);
+		
+		if (neigh->t0timer == 0) {
+			rose_transmit_restart_request(neigh);
+			neigh->t0timer = neigh->t0;
+			rose_link_set_timer(neigh);
+		}
+	}
+}
+
+#endif
diff --git a/net/rose/rose_out b/net/rose/rose_out
new file mode 100644
index 000000000..745cb5a2b
--- /dev/null
+++ b/net/rose/rose_out
@@ -0,0 +1,254 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_out.c
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <net/rose.h>
+
+/*
+ *	This is where all Rose frames pass;
+ */
+void rose_output(struct sock *sk, struct sk_buff *skb)
+{
+	struct sk_buff *skbn;
+	unsigned char header[ROSE_MIN_LEN];
+	int err, frontlen, len;
+
+	if (skb->len - ROSE_MIN_LEN > ROSE_PACLEN) {
+		/* Save a copy of the Header */
+		memcpy(header, skb->data, ROSE_MIN_LEN);
+		skb_pull(skb, ROSE_MIN_LEN);
+
+		frontlen = skb_headroom(skb);
+
+		while (skb->len > 0) {
+			if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_PACLEN, 0, 0, &err)) == NULL)
+				return;
+
+			skbn->sk   = sk;
+			skbn->free = 1;
+			skbn->arp  = 1;
+
+			skb_reserve(skbn, frontlen);
+
+			len = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
+
+			/* Copy the user data */
+			memcpy(skb_put(skbn, len), skb->data, len);
+			skb_pull(skb, len);
+
+			/* Duplicate the Header */
+			skb_push(skbn, ROSE_MIN_LEN);
+			memcpy(skbn->data, header, ROSE_MIN_LEN);
+
+			if (skb->len > 0)
+				skbn->data[2] |= M_BIT;
+		
+			skb_queue_tail(&sk->write_queue, skbn); /* Throw it on the queue */
+		}
+		
+		skb->free = 1;
+		kfree_skb(skb, FREE_WRITE);
+	} else {
+		skb_queue_tail(&sk->write_queue, skb);		/* Throw it on the queue */
+	}
+
+	if (sk->protinfo.rose->state == ROSE_STATE_3)
+		rose_kick(sk);
+}
+
+/* 
+ *	This procedure is passed a buffer descriptor for an iframe. It builds
+ *	the rest of the control part of the frame and then writes it out.
+ */
+static void rose_send_iframe(struct sock *sk, struct sk_buff *skb, int last)
+{
+	if (skb == NULL)
+		return;
+
+	if (last)
+		skb->data[0] |= D_BIT;
+
+	skb->data[2] |= (sk->protinfo.rose->vr << 5) & 0xE0;
+	skb->data[2] |= (sk->protinfo.rose->vs << 1) & 0x0E;
+
+	rose_transmit_buffer(sk, skb);	
+}
+
+void rose_send_nak_frame(struct sock *sk)
+{
+	struct sk_buff *skb, *skbn;
+	
+	if ((skb = skb_peek(&sk->protinfo.rose->ack_queue)) == NULL)
+		return;
+		
+	if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL)
+		return;
+
+	skbn->data[2] = sk->protinfo.rose->va;
+	skbn->data[3] = sk->protinfo.rose->vr;
+
+	if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)
+		skbn->data[4] |= NR_CHOKE_FLAG;
+
+	rose_transmit_buffer(sk, skbn);
+
+	sk->protinfo.rose->condition &= ~ACK_PENDING_CONDITION;
+	sk->protinfo.rose->vl      = sk->protinfo.rose->vr;
+	sk->protinfo.rose->t1timer = 0;
+}
+
+void rose_kick(struct sock *sk)
+{
+	struct sk_buff *skb, *skbn;
+	int last = 1;
+	unsigned short start, end, next;
+
+	del_timer(&sk->timer);
+
+	start = (skb_peek(&sk->protinfo.rose->ack_queue) == NULL) ? sk->protinfo.rose->va : sk->protinfo.rose->vs;
+	end   = (sk->protinfo.rose->va + sk->window) % ROSE_MODULUS;
+
+	if (!(sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) &&
+	    start != end                                  &&
+	    skb_peek(&sk->write_queue) != NULL) {
+
+		sk->protinfo.rose->vs = start;
+
+		/*
+		 * Transmit data until either we're out of data to send or
+		 * the window is full.
+		 */
+
+		/*
+		 * Dequeue the frame and copy it.
+		 */
+		skb  = skb_dequeue(&sk->write_queue);
+
+		do {
+			if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
+				skb_queue_head(&sk->write_queue, skb);
+				break;
+			}
+
+			next = (sk->protinfo.rose->vs + 1) % ROSE_MODULUS;
+			last = (next == end);
+
+			/*
+			 * Transmit the frame copy.
+			 */
+			rose_send_iframe(sk, skbn, last);
+
+			sk->protinfo.rose->vs = next;
+
+			/*
+			 * Requeue the original data frame.
+			 */
+			skb_queue_tail(&sk->protinfo.rose->ack_queue, skb);
+
+		} while (!last && (skb = skb_dequeue(&sk->write_queue)) != NULL);
+
+		sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+		sk->protinfo.rose->condition &= ~ACK_PENDING_CONDITION;
+	}
+
+	rose_set_timer(sk);
+}
+
+void rose_transmit_buffer(struct sock *sk, struct sk_buff *skb)
+{
+	unsigned char *dptr;
+
+	dptr  = skb_push(skb, 1);
+	*dptr = AX25_P_ROSE;
+
+	skb->arp = 1;
+
+	if (!ax25_send_frame(skb, (ax25_address *)sk->protinfo.rose->neighbour->dev->dev_addr, &sk->protinfo.rose->neighbour->callsign, sk->protinfo.rose->neighbour->digipeat, sk->protinfo.rose->neighbour->dev)) {
+		kfree_skb(skb, FREE_WRITE);
+
+		sk->state = TCP_CLOSE;
+		sk->err   = ENETUNREACH;
+		if (!sk->dead)
+			sk->state_change(sk);
+		sk->dead  = 1;
+	}
+}
+
+/*
+ * The following routines are taken from page 170 of the 7th ARRL Computer
+ * Networking Conference paper, as is the whole state machine.
+ */
+
+void rose_establish_data_link(struct sock *sk)
+{
+	sk->protinfo.rose->condition = 0x00;
+
+	rose_write_internal(sk, ROSE_CALL_REQUEST);
+
+	sk->protinfo.rose->t1timer = sk->protinfo.rose->t1;
+}
+
+/*
+ * Never send a NAK when we are CHOKEd.
+ */
+void rose_enquiry_response(struct sock *sk)
+{
+	int frametype = NR_INFOACK;
+	
+	if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)
+		frametype |= NR_CHOKE_FLAG;
+	
+	rose_write_internal(sk, frametype);
+
+	sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+	sk->protinfo.rose->condition &= ~ACK_PENDING_CONDITION;
+}
+
+void rose_check_iframes_acked(struct sock *sk, unsigned short nr)
+{
+	if (sk->protinfo.rose->vs == nr) {
+		rose_frames_acked(sk, nr);
+	} else {
+		if (sk->protinfo.rose->va != nr) {
+			rose_frames_acked(sk, nr);
+		}
+	}
+}
+
+#endif
diff --git a/net/rose/rose_out.c b/net/rose/rose_out.c
new file mode 100644
index 000000000..50b2587f8
--- /dev/null
+++ b/net/rose/rose_out.c
@@ -0,0 +1,193 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_out.c
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <net/rose.h>
+
+/*
+ *	This is where all Rose frames pass;
+ */
+void rose_output(struct sock *sk, struct sk_buff *skb)
+{
+	struct sk_buff *skbn;
+	unsigned char header[ROSE_MIN_LEN];
+	int err, frontlen, len;
+
+	if (skb->len - ROSE_MIN_LEN > ROSE_PACLEN) {
+		/* Save a copy of the Header */
+		memcpy(header, skb->data, ROSE_MIN_LEN);
+		skb_pull(skb, ROSE_MIN_LEN);
+
+		frontlen = skb_headroom(skb);
+
+		while (skb->len > 0) {
+			if ((skbn = sock_alloc_send_skb(sk, frontlen + ROSE_PACLEN, 0, 0, &err)) == NULL)
+				return;
+
+			skbn->sk   = sk;
+			skbn->free = 1;
+			skbn->arp  = 1;
+
+			skb_reserve(skbn, frontlen);
+
+			len = (ROSE_PACLEN > skb->len) ? skb->len : ROSE_PACLEN;
+
+			/* Copy the user data */
+			memcpy(skb_put(skbn, len), skb->data, len);
+			skb_pull(skb, len);
+
+			/* Duplicate the Header */
+			skb_push(skbn, ROSE_MIN_LEN);
+			memcpy(skbn->data, header, ROSE_MIN_LEN);
+
+			if (skb->len > 0)
+				skbn->data[2] |= M_BIT;
+		
+			skb_queue_tail(&sk->write_queue, skbn); /* Throw it on the queue */
+		}
+		
+		skb->free = 1;
+		kfree_skb(skb, FREE_WRITE);
+	} else {
+		skb_queue_tail(&sk->write_queue, skb);		/* Throw it on the queue */
+	}
+
+	if (sk->protinfo.rose->state == ROSE_STATE_3)
+		rose_kick(sk);
+}
+
+/* 
+ *	This procedure is passed a buffer descriptor for an iframe. It builds
+ *	the rest of the control part of the frame and then writes it out.
+ */
+static void rose_send_iframe(struct sock *sk, struct sk_buff *skb)
+{
+	if (skb == NULL)
+		return;
+
+	skb->data[2] |= (sk->protinfo.rose->vr << 5) & 0xE0;
+	skb->data[2] |= (sk->protinfo.rose->vs << 1) & 0x0E;
+
+	rose_transmit_link(skb, sk->protinfo.rose->neighbour);	
+}
+
+void rose_kick(struct sock *sk)
+{
+	struct sk_buff *skb, *skbn;
+	int last = 1;
+	unsigned short start, end, next;
+
+	del_timer(&sk->timer);
+
+	start = (skb_peek(&sk->protinfo.rose->ack_queue) == NULL) ? sk->protinfo.rose->va : sk->protinfo.rose->vs;
+	end   = (sk->protinfo.rose->va + sk->window) % ROSE_MODULUS;
+
+	if (!(sk->protinfo.rose->condition & PEER_RX_BUSY_CONDITION) &&
+	    start != end                                  &&
+	    skb_peek(&sk->write_queue) != NULL) {
+
+		sk->protinfo.rose->vs = start;
+
+		/*
+		 * Transmit data until either we're out of data to send or
+		 * the window is full.
+		 */
+
+		/*
+		 * Dequeue the frame and copy it.
+		 */
+		skb  = skb_dequeue(&sk->write_queue);
+
+		do {
+			if ((skbn = skb_clone(skb, GFP_ATOMIC)) == NULL) {
+				skb_queue_head(&sk->write_queue, skb);
+				break;
+			}
+
+			next = (sk->protinfo.rose->vs + 1) % ROSE_MODULUS;
+			last = (next == end);
+
+			/*
+			 * Transmit the frame copy.
+			 */
+			rose_send_iframe(sk, skbn);
+
+			sk->protinfo.rose->vs = next;
+
+			/*
+			 * Requeue the original data frame.
+			 */
+			skb_queue_tail(&sk->protinfo.rose->ack_queue, skb);
+
+		} while (!last && (skb = skb_dequeue(&sk->write_queue)) != NULL);
+
+		sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+	}
+
+	rose_set_timer(sk);
+}
+
+/*
+ * The following routines are taken from page 170 of the 7th ARRL Computer
+ * Networking Conference paper, as is the whole state machine.
+ */
+
+void rose_enquiry_response(struct sock *sk)
+{
+	if (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION) {
+		rose_write_internal(sk, ROSE_RNR);
+	} else {
+		rose_write_internal(sk, ROSE_RR);
+	}
+
+	sk->protinfo.rose->vl = sk->protinfo.rose->vr;
+}
+
+void rose_check_iframes_acked(struct sock *sk, unsigned short nr)
+{
+	if (sk->protinfo.rose->vs == nr) {
+		rose_frames_acked(sk, nr);
+	} else {
+		if (sk->protinfo.rose->va != nr) {
+			rose_frames_acked(sk, nr);
+		}
+	}
+}
+
+#endif
diff --git a/net/rose/rose_route.c b/net/rose/rose_route.c
new file mode 100644
index 000000000..9396831b3
--- /dev/null
+++ b/net/rose/rose_route.c
@@ -0,0 +1,810 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_route.c.
+ */
+ 
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <net/arp.h>
+#include <linux/if_arp.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <asm/uaccess.h>
+#include <linux/fcntl.h>
+#include <linux/termios.h>	/* For TIOCINQ/OUTQ */
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <linux/notifier.h>
+#include <linux/firewall.h>
+#include <net/rose.h>
+
+static unsigned int rose_neigh_no = 1;
+
+static struct rose_node  *rose_node_list  = NULL;
+static struct rose_neigh *rose_neigh_list = NULL;
+static struct rose_route *rose_route_list = NULL;
+
+static void rose_remove_neigh(struct rose_neigh *);
+
+/*
+ *	Add a new route to a node, and in the process add the node and the
+ *	neighbour if it is new.
+ */
+static int rose_add_node(struct rose_route_struct *rose_route, struct device *dev)
+{
+	struct rose_node  *rose_node;
+	struct rose_neigh *rose_neigh;
+	unsigned long flags;
+	int i;
+
+	for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
+		if (rosecmp(&rose_route->address, &rose_node->address) == 0)
+			break;
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
+		if (ax25cmp(&rose_route->neighbour, &rose_neigh->callsign) == 0 && rose_neigh->dev == dev)
+			break;
+
+	if (rose_neigh == NULL) {
+		if ((rose_neigh = (struct rose_neigh *)kmalloc(sizeof(*rose_neigh), GFP_ATOMIC)) == NULL)
+			return -ENOMEM;
+
+		rose_neigh->callsign  = rose_route->neighbour;
+		rose_neigh->digipeat  = NULL;
+		rose_neigh->dev       = dev;
+		rose_neigh->count     = 0;
+		rose_neigh->number    = rose_neigh_no++;
+		rose_neigh->restarted = 0;
+		skb_queue_head_init(&rose_neigh->queue);
+		rose_neigh->t0        = sysctl_rose_restart_request_timeout;
+		rose_neigh->t0timer   = 0;
+		init_timer(&rose_neigh->timer);
+
+		if (rose_route->ndigis != 0) {
+			if ((rose_neigh->digipeat = kmalloc(sizeof(ax25_digi), GFP_KERNEL)) == NULL) {
+				kfree_s(rose_neigh, sizeof(*rose_neigh));
+				return -ENOMEM;
+			}
+			rose_neigh->digipeat->ndigi = rose_route->ndigis;
+			for (i = 0; i < rose_route->ndigis; i++)
+				rose_neigh->digipeat->calls[i] = rose_route->digipeaters[i];
+		}
+			
+		save_flags(flags); cli();
+		rose_neigh->next = rose_neigh_list;
+		rose_neigh_list  = rose_neigh;
+		restore_flags(flags);
+	}
+
+	if (rose_node == NULL) {
+		if ((rose_node = (struct rose_node *)kmalloc(sizeof(*rose_node), GFP_ATOMIC)) == NULL)
+			return -ENOMEM;
+
+		rose_node->address = rose_route->address;
+		rose_node->which   = 0;
+		rose_node->count   = 1;
+
+		rose_node->neighbour[0] = rose_neigh;
+			
+		save_flags(flags); cli();
+		rose_node->next = rose_node_list;
+		rose_node_list  = rose_node;
+		restore_flags(flags);
+		
+		rose_neigh->count++;
+
+		return 0;
+	}
+
+	/* We have space at the bottom, slot it in */
+	if (rose_node->count < 3) {
+		rose_node->neighbour[2] = rose_node->neighbour[1];
+		rose_node->neighbour[1] = rose_node->neighbour[0];
+
+		rose_node->neighbour[0] = rose_neigh;
+	
+		rose_node->count++;
+		rose_neigh->count++;
+	}
+
+	return 0;
+}
+
+static void rose_remove_node(struct rose_node *rose_node)
+{
+	struct rose_node *s;
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+
+	if ((s = rose_node_list) == rose_node) {
+		rose_node_list = rose_node->next;
+		restore_flags(flags);
+		kfree_s(rose_node, sizeof(struct rose_node));
+		return;
+	}
+
+	while (s != NULL && s->next != NULL) {
+		if (s->next == rose_node) {
+			s->next = rose_node->next;
+			restore_flags(flags);
+			kfree_s(rose_node, sizeof(struct rose_node));
+			return;
+		}
+
+		s = s->next;
+	}
+
+	restore_flags(flags);
+}
+
+static void rose_remove_neigh(struct rose_neigh *rose_neigh)
+{
+	struct rose_neigh *s;
+	unsigned long flags;
+	struct sk_buff *skb;
+
+	del_timer(&rose_neigh->timer);
+	
+	while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
+		kfree_skb(skb, FREE_WRITE);
+	
+	save_flags(flags);
+	cli();
+
+	if ((s = rose_neigh_list) == rose_neigh) {
+		rose_neigh_list = rose_neigh->next;
+		restore_flags(flags);
+		if (rose_neigh->digipeat != NULL)
+			kfree_s(rose_neigh->digipeat, sizeof(ax25_digi));
+		kfree_s(rose_neigh, sizeof(struct rose_neigh));
+		return;
+	}
+
+	while (s != NULL && s->next != NULL) {
+		if (s->next == rose_neigh) {
+			s->next = rose_neigh->next;
+			restore_flags(flags);
+			if (rose_neigh->digipeat != NULL)
+				kfree_s(rose_neigh->digipeat, sizeof(ax25_digi));
+			kfree_s(rose_neigh, sizeof(struct rose_neigh));
+			return;
+		}
+
+		s = s->next;
+	}
+
+	restore_flags(flags);
+}
+
+static void rose_remove_route(struct rose_route *rose_route)
+{
+	struct rose_route *s;
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+
+	if ((s = rose_route_list) == rose_route) {
+		rose_route_list = rose_route->next;
+		restore_flags(flags);
+		kfree_s(rose_route, sizeof(struct rose_route));
+		return;
+	}
+
+	while (s != NULL && s->next != NULL) {
+		if (s->next == rose_route) {
+			s->next = rose_route->next;
+			restore_flags(flags);
+			kfree_s(rose_route, sizeof(struct rose_route));
+			return;
+		}
+
+		s = s->next;
+	}
+
+	restore_flags(flags);
+}
+
+/*
+ *	"Delete" a node. Strictly speaking remove a route to a node. The node
+ *	is only deleted if no routes are left to it.
+ */
+static int rose_del_node(struct rose_route_struct *rose_route, struct device *dev)
+{
+	struct rose_node  *rose_node;
+	struct rose_neigh *rose_neigh;
+	int i;
+	
+	for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
+		if (rosecmp(&rose_route->address, &rose_node->address) == 0)
+			break;
+
+	if (rose_node == NULL) return -EINVAL;
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
+		if (ax25cmp(&rose_route->neighbour, &rose_neigh->callsign) == 0 && rose_neigh->dev == dev)
+			break;
+
+	if (rose_neigh == NULL) return -EINVAL;
+	
+	for (i = 0; i < rose_node->count; i++) {
+		if (rose_node->neighbour[i] == rose_neigh) {
+			rose_neigh->count--;
+
+			if (rose_neigh->count == 0)
+				rose_remove_neigh(rose_neigh);
+				
+			rose_node->count--;
+			
+			if (rose_node->count == 0) {
+				rose_remove_node(rose_node);
+			} else {
+				switch (i) {
+					case 0:
+						rose_node->neighbour[0] = rose_node->neighbour[1];
+					case 1:
+						rose_node->neighbour[1] = rose_node->neighbour[2];
+					case 2:
+						break;
+				}
+			}
+
+			return 0;
+		}
+	}
+
+	return -EINVAL;
+}
+
+/*
+ *	A device has been removed. Remove its routes and neighbours.
+ */
+void rose_rt_device_down(struct device *dev)
+{
+	struct rose_neigh *s, *rose_neigh = rose_neigh_list;
+	struct rose_node  *t, *rose_node;
+	int i;
+
+	while (rose_neigh != NULL) {
+		s          = rose_neigh;
+		rose_neigh = rose_neigh->next;
+		
+		if (s->dev == dev) {
+			rose_node = rose_node_list;
+
+			while (rose_node != NULL) {
+				t         = rose_node;
+				rose_node = rose_node->next;
+				
+				for (i = 0; i < t->count; i++) {
+					if (t->neighbour[i] == s) {
+						t->count--;
+
+						switch (i) {
+							case 0:
+								t->neighbour[0] = t->neighbour[1];
+							case 1:
+								t->neighbour[1] = t->neighbour[2];
+							case 2:
+								break;
+						}
+					}
+				}
+				
+				if (t->count <= 0)
+					rose_remove_node(t);
+			}
+			
+			rose_remove_neigh(s);
+		}
+	}
+}
+
+/*
+ *	A device has been removed. Remove its links.
+ */
+void rose_route_device_down(struct device *dev)
+{
+	struct rose_route *s, *rose_route = rose_route_list;
+
+	while (rose_route != NULL) {
+		s         = rose_route;
+		rose_route = rose_route->next;
+		
+		if (s->neigh1->dev == dev || s->neigh2->dev == dev)
+			rose_remove_route(s);
+	}
+}
+
+/*
+ *	Check that the device given is a valid AX.25 interface that is "up".
+ */
+struct device *rose_ax25_dev_get(char *devname)
+{
+	struct device *dev;
+
+	if ((dev = dev_get(devname)) == NULL)
+		return NULL;
+
+	if ((dev->flags & IFF_UP) && dev->type == ARPHRD_AX25)
+		return dev;
+
+	return NULL;
+}
+
+/*
+ *	Find the first active Rose device, usually "rose0".
+ */
+struct device *rose_dev_first(void)
+{
+	struct device *dev, *first = NULL;
+
+	for (dev = dev_base; dev != NULL; dev = dev->next)
+		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_ROSE)
+			if (first == NULL || strncmp(dev->name, first->name, 3) < 0)
+				first = dev;
+
+	return first;
+}
+
+/*
+ *	Find the Rose device for the given address.
+ */
+struct device *rose_dev_get(rose_address *addr)
+{
+	struct device *dev;
+
+	for (dev = dev_base; dev != NULL; dev = dev->next)
+		if ((dev->flags & IFF_UP) && dev->type == ARPHRD_ROSE && rosecmp(addr, (rose_address *)dev->dev_addr) == 0)
+			return dev;
+
+	return NULL;
+}
+
+/*
+ *	Find a neighbour given a Rose address.
+ */
+struct rose_neigh *rose_get_neigh(rose_address *addr)
+{
+	struct rose_node *node;
+	
+	for (node = rose_node_list; node != NULL; node = node->next)
+		if (rosecmp(&node->address, addr) == 0)
+			break;
+			
+	if (node == NULL) return NULL;
+	
+	if (node->which >= node->count) return NULL;
+	
+	return node->neighbour[node->which];
+}
+
+/*
+ *	Handle the ioctls that control the routing functions.
+ */
+int rose_rt_ioctl(unsigned int cmd, void *arg)
+{
+	struct rose_route_struct rose_route;
+	struct device *dev;
+	int err;
+
+	switch (cmd) {
+
+		case SIOCADDRT:
+			if ((err = verify_area(VERIFY_READ, arg, sizeof(struct rose_route_struct))) != 0)
+				return err;
+			copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct));
+			if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL)
+				return -EINVAL;
+			if (rose_dev_get(&rose_route.address) != NULL)	/* Can't add routes to ourself */
+				return -EINVAL;
+			return rose_add_node(&rose_route, dev);
+
+		case SIOCDELRT:
+			if ((err = verify_area(VERIFY_READ, arg, sizeof(struct rose_route_struct))) != 0)
+				return err;
+			copy_from_user(&rose_route, arg, sizeof(struct rose_route_struct));
+			if ((dev = rose_ax25_dev_get(rose_route.device)) == NULL)
+				return -EINVAL;
+			return rose_del_node(&rose_route, dev);
+
+		default:
+			return -EINVAL;
+	}
+
+	return 0;
+}
+
+/*
+ * 	A level 2 link has timed out, therefore it appears to be a poor link,
+ *	then don't use that neighbour until it is reset. XXX others.
+ */
+void rose_link_failed(ax25_address *callsign, struct device *dev)
+{
+	struct rose_neigh *rose_neigh;
+	struct rose_node  *rose_node;
+	struct sk_buff    *skb;
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
+		if (ax25cmp(&rose_neigh->callsign, callsign) == 0 && rose_neigh->dev == dev)
+			break;
+			
+	if (rose_neigh == NULL) return;
+
+	rose_neigh->restarted = 0;
+	rose_neigh->t0timer   = 0;
+	del_timer(&rose_neigh->timer);
+
+	while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
+		kfree_skb(skb, FREE_WRITE);
+	
+	for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
+		if (rose_node->which < rose_node->count && rose_node->neighbour[rose_node->which] == rose_neigh)
+			rose_node->which++;
+}
+
+/*
+ * 	A device has been "downed" remove its link status. XXX others.
+ */
+void rose_link_device_down(struct device *dev)
+{
+	struct rose_neigh *rose_neigh;
+	struct rose_node  *rose_node;
+	struct sk_buff    *skb;
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next) {
+		if (rose_neigh->dev == dev) {
+			rose_neigh->restarted = 0;
+			rose_neigh->t0timer   = 0;
+			del_timer(&rose_neigh->timer);
+
+			while ((skb = skb_dequeue(&rose_neigh->queue)) != NULL)
+				kfree_skb(skb, FREE_WRITE);
+	
+			for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
+				if (rose_node->which < rose_node->count && rose_node->neighbour[rose_node->which] == rose_neigh)
+					rose_node->which++;
+		}
+	}
+}
+
+/*
+ *	Route a frame to an appropriate AX.25 connection. A NULL ax25_cb
+ *	indicates an internally generated frame.
+ */
+int rose_route_frame(struct sk_buff *skb, ax25_cb *ax25)
+{
+	struct rose_neigh *rose_neigh, *new_neigh;
+	struct rose_node  *rose_node;
+	struct rose_route *rose_route;
+	rose_address *dest_addr;
+	struct sock *sk;
+	unsigned short frametype;
+	unsigned int lci;
+	struct device *dev;
+	unsigned long flags;
+
+#ifdef CONFIG_FIREWALL
+	if (call_in_firewall(PF_ROSE, skb->dev, skb->data, NULL) != FW_ACCEPT)
+		return 0;
+#endif
+
+	frametype = skb->data[2];
+	lci = ((skb->data[0] << 8) & 0xF00) + ((skb->data[1] << 0) & 0x0FF);
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next)
+		if (ax25cmp(&ax25->dest_addr, &rose_neigh->callsign) == 0 && ax25->device == rose_neigh->dev)
+			break;
+
+	if (rose_neigh == NULL)
+		return 0;
+
+	/*
+	 *	LCI of zero is always for us, and its always a restart
+	 * 	frame.
+	 */
+	if (lci == 0) {
+		rose_link_rx_restart(skb, rose_neigh, frametype);
+		return 0;
+	}
+
+	/*
+	 *	Find an existing socket.
+	 */
+	if ((sk = rose_find_socket(lci, rose_neigh->dev)) != NULL) {
+		skb->h.raw = skb->data;
+		return rose_process_rx_frame(sk, skb);
+	}
+
+	/*
+	 *	Is is a Call Request and is it for us ?
+	 */
+	if (frametype == ROSE_CALL_REQUEST) {
+		dest_addr = (rose_address *)(skb->data + 4);
+
+		if ((dev = rose_dev_get(dest_addr)) != NULL)
+			return rose_rx_call_request(skb, dev, rose_neigh, lci);
+	}
+
+	if (!sysctl_rose_routing_control) {
+		rose_transmit_clear_request(rose_neigh, lci, 0x0D);
+		return 0;
+	}
+
+	/*
+	 *	Route it to the next in line if we have an entry for it.
+	 */
+
+	/*
+	 *	We should check for the random number in the facilities
+	 *	here. XXX.
+	 */
+	for (rose_route = rose_route_list; rose_route != NULL; rose_route = rose_route->next) {
+		if (rose_route->lci1 == lci && rose_route->neigh1 == rose_neigh) {
+			skb->data[0] &= 0xF0;
+			skb->data[0] |= (rose_route->lci2 >> 8) & 0x0F;
+			skb->data[1]  = (rose_route->lci2 >> 0) & 0xFF;
+			rose_transmit_link(skb, rose_route->neigh2);
+			if (frametype == ROSE_CLEAR_CONFIRMATION)
+				rose_remove_route(rose_route);
+			return 1;
+		}
+		if (rose_route->lci2 == lci && rose_route->neigh2 == rose_neigh) {
+			skb->data[0] &= 0xF0;
+			skb->data[0] |= (rose_route->lci1 >> 8) & 0x0F;
+			skb->data[1]  = (rose_route->lci1 >> 0) & 0xFF;
+			rose_transmit_link(skb, rose_route->neigh1);
+			if (frametype == ROSE_CLEAR_CONFIRMATION)
+				rose_remove_route(rose_route);
+			return 1;
+		}
+	}
+
+	/*
+	 *	We know that:
+	 *	1. The frame isn't for us,
+	 *	2. It isn't "owned" by any existing route.
+	 */
+	if (frametype != ROSE_CALL_REQUEST)	/* XXX */
+		return 0;
+
+	dest_addr = (rose_address *)(skb->data + 4);
+
+	/*
+	 *	Create a new route entry, if we can.
+	 */
+	for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next)
+		if (rosecmp(&rose_node->address, dest_addr) == 0)
+			break;
+	/*
+	 *	Its an unknown node, or is unreachable.
+	 */
+	if (rose_node == NULL || rose_node->which >= rose_node->count) {
+		rose_transmit_clear_request(rose_neigh, lci, 0x0D);
+		return 0;
+	}
+
+	if ((rose_route = (struct rose_route *)kmalloc(sizeof(*rose_route), GFP_ATOMIC)) == NULL) {
+		rose_transmit_clear_request(rose_neigh, lci, 0x0D);
+		return 0;
+	}
+
+	new_neigh = rose_node->neighbour[rose_node->which];
+
+	rose_route->lci1   = lci;
+	rose_route->neigh1 = rose_neigh;
+	rose_route->lci2   = rose_new_lci(new_neigh->dev);
+	rose_route->neigh2 = new_neigh;
+
+	save_flags(flags); cli();
+	rose_route->next = rose_route_list;
+	rose_route_list  = rose_route;
+	restore_flags(flags);
+
+	skb->data[0] &= 0xF0;
+	skb->data[0] |= (rose_route->lci2 >> 8) & 0x0F;
+	skb->data[1]  = (rose_route->lci2 >> 0) & 0xFF;
+
+	rose_transmit_link(skb, rose_route->neigh2);
+
+	return 1;
+}
+
+int rose_nodes_get_info(char *buffer, char **start, off_t offset,
+		      int length, int dummy)
+{
+	struct rose_node *rose_node;
+	int len     = 0;
+	off_t pos   = 0;
+	off_t begin = 0;
+	int i;
+
+	cli();
+
+	len += sprintf(buffer, "address    w n neigh neigh neigh\n");
+
+	for (rose_node = rose_node_list; rose_node != NULL; rose_node = rose_node->next) {
+		len += sprintf(buffer + len, "%-10s %d %d",
+			rose2asc(&rose_node->address),
+			rose_node->which + 1,
+			rose_node->count);			
+
+		for (i = 0; i < rose_node->count; i++)
+			len += sprintf(buffer + len, " %05d",
+				rose_node->neighbour[i]->number);
+
+		len += sprintf(buffer + len, "\n");
+
+		pos = begin + len;
+
+		if (pos < offset) {
+			len   = 0;
+			begin = pos;
+		}
+
+		if (pos > offset + length)
+			break;
+	}
+
+	sti();
+
+	*start = buffer + (offset - begin);
+	len   -= (offset - begin);
+
+	if (len > length) len = length;
+
+	return len;
+} 
+
+int rose_neigh_get_info(char *buffer, char **start, off_t offset,
+		      int length, int dummy)
+{
+	struct rose_neigh *rose_neigh;
+	int len     = 0;
+	off_t pos   = 0;
+	off_t begin = 0;
+
+	cli();
+
+	len += sprintf(buffer, "addr  callsign  dev  count  restart     t0\n");
+
+	for (rose_neigh = rose_neigh_list; rose_neigh != NULL; rose_neigh = rose_neigh->next) {
+		len += sprintf(buffer + len, "%05d %-9s %-4s   %3d      %3s  %3d/%03d\n",
+			rose_neigh->number,
+			ax2asc(&rose_neigh->callsign),
+			rose_neigh->dev ? rose_neigh->dev->name : "???",
+			rose_neigh->count,
+			(rose_neigh->restarted) ? "yes" : "no",
+			rose_neigh->t0timer / PR_SLOWHZ,
+			rose_neigh->t0      / PR_SLOWHZ);
+
+		pos = begin + len;
+
+		if (pos < offset) {
+			len   = 0;
+			begin = pos;
+		}
+		
+		if (pos > offset + length)
+			break;
+	}
+
+	sti();
+
+	*start = buffer + (offset - begin);
+	len   -= (offset - begin);
+
+	if (len > length) len = length;
+
+	return len;
+} 
+
+int rose_routes_get_info(char *buffer, char **start, off_t offset,
+		      int length, int dummy)
+{
+	struct rose_route *rose_route;
+	int len     = 0;
+	off_t pos   = 0;
+	off_t begin = 0;
+
+	cli();
+
+	len += sprintf(buffer, "lci  callsign  dev  <-> lci  callsign  dev\n");
+
+	for (rose_route = rose_route_list; rose_route != NULL; rose_route = rose_route->next) {
+		len += sprintf(buffer + len, "%3.3X %-9s %-4s     ",
+			rose_route->lci1,
+			ax2asc(&rose_route->neigh1->callsign),
+			rose_route->neigh1->dev ? rose_route->neigh1->dev->name : "???");
+		len += sprintf(buffer + len, "%3.3X %-9s %-4s\n",
+			rose_route->lci2,
+			ax2asc(&rose_route->neigh2->callsign),
+			rose_route->neigh2->dev ? rose_route->neigh2->dev->name : "???");
+
+		pos = begin + len;
+
+		if (pos < offset) {
+			len   = 0;
+			begin = pos;
+		}
+		
+		if (pos > offset + length)
+			break;
+	}
+
+	sti();
+
+	*start = buffer + (offset - begin);
+	len   -= (offset - begin);
+
+	if (len > length) len = length;
+
+	return len;
+} 
+
+#ifdef MODULE
+
+/*
+ *	Release all memory associated with Rose routing structures.
+ */
+void rose_rt_free(void)
+{
+	struct rose_neigh *s, *rose_neigh = rose_neigh_list;
+	struct rose_node  *t, *rose_node  = rose_node_list;
+	struct rose_route *u, *rose_route = rose_route_list;
+
+	while (rose_neigh != NULL) {
+		s          = rose_neigh;
+		rose_neigh = rose_neigh->next;
+		
+		rose_remove_neigh(s);
+	}
+
+	while (rose_node != NULL) {
+		t          = rose_node;
+		rose_node = rose_node->next;
+		
+		rose_remove_node(t);
+	}
+
+	while (rose_route != NULL) {
+		u          = rose_route;
+		rose_route = rose_route->next;
+		
+		rose_remove_route(u);
+	}
+}
+
+#endif
+
+#endif
diff --git a/net/rose/rose_subr.c b/net/rose/rose_subr.c
new file mode 100644
index 000000000..0c1c83fa8
--- /dev/null
+++ b/net/rose/rose_subr.c
@@ -0,0 +1,494 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_subr.c
+ */
+ 
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <net/rose.h>
+
+/*
+ *	This routine purges all of the queues of frames.
+ */
+void rose_clear_queues(struct sock *sk)
+{
+	struct sk_buff *skb;
+
+	while ((skb = skb_dequeue(&sk->write_queue)) != NULL) {
+		skb->sk   = sk;
+		skb->free = 1;
+		kfree_skb(skb, FREE_WRITE);
+	}
+
+	while ((skb = skb_dequeue(&sk->protinfo.rose->ack_queue)) != NULL) {
+		skb->sk   = sk;
+		skb->free = 1;
+		kfree_skb(skb, FREE_WRITE);
+	}
+
+	while ((skb = skb_dequeue(&sk->protinfo.rose->frag_queue)) != NULL) {
+		kfree_skb(skb, FREE_READ);
+	}
+}
+
+/*
+ * This routine purges the input queue of those frames that have been
+ * acknowledged. This replaces the boxes labelled "V(a) <- N(r)" on the
+ * SDL diagram.
+ */
+void rose_frames_acked(struct sock *sk, unsigned short nr)
+{
+	struct sk_buff *skb;
+
+	/*
+	 * Remove all the ack-ed frames from the ack queue.
+	 */
+	if (sk->protinfo.rose->va != nr) {
+		while (skb_peek(&sk->protinfo.rose->ack_queue) != NULL && sk->protinfo.rose->va != nr) {
+		        skb = skb_dequeue(&sk->protinfo.rose->ack_queue);
+		        skb->sk   = sk;
+			skb->free = 1;
+			kfree_skb(skb, FREE_WRITE);
+			sk->protinfo.rose->va = (sk->protinfo.rose->va + 1) % ROSE_MODULUS;
+		}
+	}
+}
+
+/*
+ * Requeue all the un-ack-ed frames on the output queue to be picked
+ * up by rose_kick called from the timer. This arrangement handles the
+ * possibility of an empty output queue.
+ */
+void rose_requeue_frames(struct sock *sk)
+{
+	struct sk_buff *skb, *skb_prev = NULL;
+
+	while ((skb = skb_dequeue(&sk->protinfo.rose->ack_queue)) != NULL) {
+		if (skb_prev == NULL)
+			skb_queue_head(&sk->write_queue, skb);
+		else
+			skb_append(skb_prev, skb);
+		skb_prev = skb;
+	}
+}
+
+/*
+ *	Validate that the value of nr is between va and vs. Return true or
+ *	false for testing.
+ */
+int rose_validate_nr(struct sock *sk, unsigned short nr)
+{
+	unsigned short vc = sk->protinfo.rose->va;
+
+	while (vc != sk->protinfo.rose->vs) {
+		if (nr == vc) return 1;
+		vc = (vc + 1) % ROSE_MODULUS;
+	}
+	
+	if (nr == sk->protinfo.rose->vs) return 1;
+
+	return 0;
+}
+
+/* 
+ *  This routine is called when the packet layer internally generates a
+ *  control frame.
+ */
+void rose_write_internal(struct sock *sk, int frametype)
+{
+	struct sk_buff *skb;
+	unsigned char  *dptr;
+	unsigned char  lci1, lci2;
+	char buffer[100];
+	int len, faclen = 0;
+
+	len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN + 1;
+	
+	switch (frametype) {
+		case ROSE_CALL_REQUEST:
+			len   += 1 + ROSE_ADDR_LEN + ROSE_ADDR_LEN;
+			faclen = rose_create_facilities(buffer, sk->protinfo.rose);
+			len   += faclen;
+			break;
+		case ROSE_CALL_ACCEPTED:
+		case ROSE_CLEAR_REQUEST:
+		case ROSE_RESET_REQUEST:
+		case ROSE_DIAGNOSTIC:
+			len   += 2;
+			break;
+		case ROSE_INTERRUPT:
+			len   += 1;
+			break;
+	}
+	
+	if ((skb = alloc_skb(len, GFP_ATOMIC)) == NULL)
+		return;
+
+	/*
+	 *	Space for AX.25 header and PID.
+	 */
+	skb_reserve(skb, AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + 1);
+	
+	dptr = skb_put(skb, skb_tailroom(skb));
+
+	lci1 = (sk->protinfo.rose->lci >> 8) & 0x0F;
+	lci2 = (sk->protinfo.rose->lci >> 0) & 0xFF;
+
+	switch (frametype) {
+	
+		case ROSE_CALL_REQUEST:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr++ = frametype;
+			*dptr++ = 0xAA;
+			memcpy(dptr, &sk->protinfo.rose->dest_addr,  ROSE_ADDR_LEN);
+			dptr   += ROSE_ADDR_LEN;
+			memcpy(dptr, &sk->protinfo.rose->source_addr, ROSE_ADDR_LEN);
+			dptr   += ROSE_ADDR_LEN;
+			memcpy(dptr, buffer, faclen);
+			dptr   += faclen;
+			break;
+
+		case ROSE_CALL_ACCEPTED:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr++ = frametype;
+			*dptr++ = 0x00;		/* Address length */
+			*dptr++ = 0;		/* Facilities length */
+			break;
+
+		case ROSE_CLEAR_REQUEST:
+		case ROSE_RESET_REQUEST:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr++ = frametype;
+			*dptr++ = 0x00;		/* XXX */
+			*dptr++ = 0x00;		/* XXX */
+			break;
+
+		case ROSE_INTERRUPT:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr++ = frametype;
+			*dptr++ = 0x00;		/* XXX */
+			break;
+
+		case ROSE_RR:
+		case ROSE_RNR:
+		case ROSE_REJ:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr   = frametype;
+			*dptr++ |= (sk->protinfo.rose->vr << 5) & 0xE0;
+			break;
+		
+		case ROSE_CLEAR_CONFIRMATION:
+		case ROSE_INTERRUPT_CONFIRMATION:
+		case ROSE_RESET_CONFIRMATION:
+			*dptr++ = GFI | lci1;
+			*dptr++ = lci2;
+			*dptr++  = frametype;
+			break;
+
+		default:
+			printk(KERN_ERR "rose_write_internal: invalid frametype %02X\n", frametype);
+			kfree_skb(skb, FREE_WRITE);
+			return;
+	}
+
+	rose_transmit_link(skb, sk->protinfo.rose->neighbour);
+}
+
+int rose_decode(struct sk_buff *skb, int *ns, int *nr, int *q, int *d, int *m)
+{
+	unsigned char *frame;
+	
+	frame = skb->data;
+	
+	*ns = *nr = *q = *d = *m = 0;
+	
+	switch (frame[2]) {
+		case ROSE_CALL_REQUEST:
+		case ROSE_CALL_ACCEPTED:
+		case ROSE_CLEAR_REQUEST:
+		case ROSE_CLEAR_CONFIRMATION:
+		case ROSE_INTERRUPT:
+		case ROSE_INTERRUPT_CONFIRMATION:
+		case ROSE_RESET_REQUEST:
+		case ROSE_RESET_CONFIRMATION:
+		case ROSE_RESTART_REQUEST:
+		case ROSE_RESTART_CONFIRMATION:
+		case ROSE_REGISTRATION_REQUEST:
+		case ROSE_REGISTRATION_CONFIRMATION:
+		case ROSE_DIAGNOSTIC:
+			return frame[2];
+		default:
+			break;
+	}
+
+	if ((frame[2] & 0x1F) == ROSE_RR  ||
+	    (frame[2] & 0x1F) == ROSE_RNR ||
+	    (frame[2] & 0x1F) == ROSE_REJ) {
+		*nr = (frame[2] >> 5) & 0x07;
+		return frame[2] & 0x1F;
+	}
+
+	if ((frame[2] & 0x01) == ROSE_DATA) {
+		*q  = (frame[0] & Q_BIT) == Q_BIT;
+		*d  = (frame[0] & D_BIT) == D_BIT;
+		*m  = (frame[2] & M_BIT) == M_BIT;
+		*nr = (frame[2] >> 5) & 0x07;
+		*ns = (frame[2] >> 1) & 0x07;
+		return ROSE_DATA;
+	}
+	
+	return ROSE_ILLEGAL;
+}
+
+static int rose_parse_national(unsigned char *p, rose_cb *rose, int len)
+{
+	unsigned char l, n = 0;
+
+	do {
+		switch (*p & 0xC0) {
+			case 0x00:
+				p   += 2;
+				n   += 2;
+				len -= 2;
+				break;
+				
+			case 0x40:
+				if (*p == FAC_NATIONAL_RAND)
+					rose->rand = ((p[1] << 8) & 0xFF00) + ((p[2] << 0) & 0x00FF);
+				p   += 3;
+				n   += 3;
+				len -= 3;
+				break;
+
+			case 0x80:
+				p   += 4;
+				n   += 4;
+				len -= 4;
+				break;
+				
+			case 0xC0:
+				l = p[1];
+				if (*p == FAC_NATIONAL_DEST_DIGI) {
+					memcpy(&rose->source_digi, p + 2, AX25_ADDR_LEN);
+					rose->source_ndigis = 1;
+				}
+				if (*p == FAC_NATIONAL_SRC_DIGI) {
+					memcpy(&rose->dest_digi,   p + 2, AX25_ADDR_LEN);
+					rose->dest_ndigis = 1;
+				}
+				p   += l + 2;
+				n   += l + 2;
+				len -= l + 2;
+				break;
+		}
+	} while (*p != 0x00 && len > 0);
+
+	return n;
+}
+
+static int rose_parse_ccitt(unsigned char *p, rose_cb *rose, int len)
+{
+	unsigned char l, n = 0;
+	char callsign[11];
+
+	do {
+		switch (*p & 0xC0) {
+			case 0x00:
+				p   += 2;
+				n   += 2;
+				len -= 2;
+				break;
+				
+			case 0x40:
+				p   += 3;
+				n   += 3;
+				len -= 3;
+				break;
+
+			case 0x80:
+				p   += 4;
+				n   += 4;
+				len -= 4;
+				break;
+				
+			case 0xC0:
+				l = p[1];
+				if (*p == FAC_CCITT_DEST_NSAP) {
+					memcpy(&rose->source_addr, p + 7, ROSE_ADDR_LEN);
+					memcpy(callsign, p + 12,   l - 10);
+					callsign[l - 10] = '\0';
+					rose->source_call = *asc2ax(callsign);
+				}
+				if (*p == FAC_CCITT_SRC_NSAP) {
+					memcpy(&rose->dest_addr, p + 7, ROSE_ADDR_LEN);
+					memcpy(callsign, p + 12, l - 10);
+					callsign[l - 10] = '\0';
+					rose->dest_call = *asc2ax(callsign);
+				}
+				p   += l + 2;
+				n   += l + 2;
+				len -= l + 2;
+				break;
+		}
+	} while (*p != 0x00 && len > 0);
+
+	return n;
+}
+
+int rose_parse_facilities(struct sk_buff *skb, rose_cb *rose)
+{
+	int facilities_len, len;
+	unsigned char *p;
+
+	memset(rose, 0x00, sizeof(rose_cb));
+
+	len  = (((skb->data[3] >> 4) & 0x0F) + 1) / 2;
+	len += (((skb->data[3] >> 0) & 0x0F) + 1) / 2;
+
+	p = skb->data + len + 4;
+
+	facilities_len = *p++;
+	
+	if (facilities_len == 0)
+		return 0;
+
+	while (facilities_len > 0) {
+		if (*p == 0x00) {
+			facilities_len--;
+			p++;
+
+			switch (*p) {
+				case FAC_NATIONAL:		/* National */
+					len = rose_parse_national(p + 1, rose, facilities_len - 1);
+					facilities_len -= len + 1;
+					p += len + 1;
+					break;
+					
+				case FAC_CCITT:		/* CCITT */
+					len = rose_parse_ccitt(p + 1, rose, facilities_len - 1);
+					facilities_len -= len + 1;
+					p += len + 1;
+					break;
+					
+				default:
+					printk(KERN_DEBUG "rose_parse_facilities: unknown facilities family %02X\n", *p);
+					facilities_len--;
+					p++;
+					break;
+			}
+		}
+	}
+
+	return 1;
+}
+
+int rose_create_facilities(unsigned char *buffer, rose_cb *rose)
+{
+	unsigned char *p = buffer + 1;
+	char *callsign;
+	int len;
+	
+	/* National Facilities */
+	if (rose->rand != 0 || rose->source_ndigis == 1 || rose->dest_ndigis == 1) {
+		*p++ = 0x00;
+		*p++ = FAC_NATIONAL;
+
+		if (rose->rand != 0) {
+			*p++ = FAC_NATIONAL_RAND;
+			*p++ = (rose->rand >> 8) & 0xFF;
+			*p++ = (rose->rand >> 0) & 0xFF;
+		}
+		
+		if (rose->source_ndigis == 1) {
+			*p++ = FAC_NATIONAL_SRC_DIGI;
+			*p++ = AX25_ADDR_LEN;
+			memcpy(p, &rose->source_digi, AX25_ADDR_LEN);
+			p   += AX25_ADDR_LEN;
+		}
+
+		if (rose->dest_ndigis == 1) {
+			*p++ = FAC_NATIONAL_DEST_DIGI;
+			*p++ = AX25_ADDR_LEN;
+			memcpy(p, &rose->dest_digi, AX25_ADDR_LEN);
+			p   += AX25_ADDR_LEN;
+		}
+	}
+
+	*p++ = 0x00;
+	*p++ = FAC_CCITT;
+	
+	*p++ = FAC_CCITT_DEST_NSAP;
+	
+	callsign = ax2asc(&rose->dest_call);
+
+	*p++ = strlen(callsign) + 10;
+	*p++ = (strlen(callsign) + 9) * 2;		/* ??? */
+
+	*p++ = 0x47; *p++ = 0x00; *p++ = 0x11;
+	*p++ = ROSE_ADDR_LEN * 2;
+	memcpy(p, &rose->dest_addr, ROSE_ADDR_LEN);
+	p   += ROSE_ADDR_LEN;
+
+	memcpy(p, callsign, strlen(callsign));
+	p   += strlen(callsign);
+	
+	*p++ = FAC_CCITT_SRC_NSAP;
+
+	callsign = ax2asc(&rose->source_call);
+
+	*p++ = strlen(callsign) + 10;
+	*p++ = (strlen(callsign) + 9) * 2;		/* ??? */
+
+	*p++ = 0x47; *p++ = 0x00; *p++ = 0x11;
+	*p++ = ROSE_ADDR_LEN * 2;
+	memcpy(p, &rose->source_addr, ROSE_ADDR_LEN);
+	p   += ROSE_ADDR_LEN;
+
+	memcpy(p, callsign, strlen(callsign));
+	p   += strlen(callsign);
+
+	len       = p - buffer;
+	buffer[0] = len - 1;
+	
+	return len;
+}
+
+#endif
diff --git a/net/rose/rose_timer.c b/net/rose/rose_timer.c
new file mode 100644
index 000000000..313756847
--- /dev/null
+++ b/net/rose/rose_timer.c
@@ -0,0 +1,153 @@
+/*
+ *	Rose release 001
+ *
+ *	This is ALPHA test software. This code may break your machine, randomly fail to work with new 
+ *	releases, misbehave and/or generally screw up. It might even work. 
+ *
+ *	This code REQUIRES 2.1.0 or higher/ NET3.029
+ *
+ *	This module:
+ *		This module is free software; you can redistribute it and/or
+ *		modify it under the terms of the GNU General Public License
+ *		as published by the Free Software Foundation; either version
+ *		2 of the License, or (at your option) any later version.
+ *
+ *	History
+ *	Rose 001	Jonathan(G4KLX)	Cloned from nr_timer.c
+ */
+
+#include <linux/config.h>
+#if defined(CONFIG_ROSE) || defined(CONFIG_ROSE_MODULE)
+#include <linux/errno.h>
+#include <linux/types.h>
+#include <linux/socket.h>
+#include <linux/in.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/string.h>
+#include <linux/sockios.h>
+#include <linux/net.h>
+#include <net/ax25.h>
+#include <linux/inet.h>
+#include <linux/netdevice.h>
+#include <linux/skbuff.h>
+#include <net/sock.h>
+#include <asm/segment.h>
+#include <asm/system.h>
+#include <linux/fcntl.h>
+#include <linux/mm.h>
+#include <linux/interrupt.h>
+#include <net/rose.h>
+
+static void rose_timer(unsigned long);
+
+/*
+ *	Linux set/reset timer routines
+ */
+void rose_set_timer(struct sock *sk)
+{
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+	del_timer(&sk->timer);
+	restore_flags(flags);
+
+	sk->timer.next     = sk->timer.prev = NULL;	
+	sk->timer.data     = (unsigned long)sk;
+	sk->timer.function = &rose_timer;
+
+	sk->timer.expires = jiffies + 10;
+	add_timer(&sk->timer);
+}
+
+static void rose_reset_timer(struct sock *sk)
+{
+	unsigned long flags;
+	
+	save_flags(flags);
+	cli();
+	del_timer(&sk->timer);
+	restore_flags(flags);
+
+	sk->timer.data     = (unsigned long)sk;
+	sk->timer.function = &rose_timer;
+	sk->timer.expires  = jiffies + 10;
+	add_timer(&sk->timer);
+}
+
+/*
+ *	Rose Timer
+ *
+ *	This routine is called every 100ms. Decrement timer by this
+ *	amount - if expired then process the event.
+ */
+static void rose_timer(unsigned long param)
+{
+	struct sock *sk = (struct sock *)param;
+
+	switch (sk->protinfo.rose->state) {
+		case ROSE_STATE_0:
+			/* Magic here: If we listen() and a new link dies before it
+			   is accepted() it isn't 'dead' so doesn't get removed. */
+			if (sk->destroy || (sk->state == TCP_LISTEN && sk->dead)) {
+				del_timer(&sk->timer);
+				rose_destroy_socket(sk);
+				return;
+			}
+			break;
+
+		case ROSE_STATE_3:
+			/*
+			 * Check for the state of the receive buffer.
+			 */
+			if (sk->rmem_alloc < (sk->rcvbuf / 2) && (sk->protinfo.rose->condition & OWN_RX_BUSY_CONDITION)) {
+				sk->protinfo.rose->condition &= ~OWN_RX_BUSY_CONDITION;
+				sk->protinfo.rose->vl         = sk->protinfo.rose->vr;
+				rose_write_internal(sk, ROSE_RR);
+				break;
+			}
+			/*
+			 * Check for frames to transmit.
+			 */
+			rose_kick(sk);
+			break;
+
+		default:
+			break;
+	}
+
+	if (sk->protinfo.rose->timer == 0 || --sk->protinfo.rose->timer > 0) {
+		rose_reset_timer(sk);
+		return;
+	}
+
+	/*
+	 * Timer has expired, it may have been T1, T2, or T3. We can tell
+	 * by the socket state.
+	 */
+	switch (sk->protinfo.rose->state) {
+		case ROSE_STATE_1:	/* T1 */
+		case ROSE_STATE_4:	/* T2 */
+			rose_write_internal(sk, ROSE_CLEAR_REQUEST);
+			sk->protinfo.rose->state = ROSE_STATE_2;
+			sk->protinfo.rose->timer = sk->protinfo.rose->t3;
+			break;
+
+		case ROSE_STATE_2:	/* T3 */
+			rose_clear_queues(sk);
+			sk->protinfo.rose->state = ROSE_STATE_0;
+			sk->state                = TCP_CLOSE;
+			sk->err                  = ETIMEDOUT;
+			sk->shutdown            |= SEND_SHUTDOWN;
+			if (!sk->dead)
+				sk->state_change(sk);
+			sk->dead                 = 1;
+			break;
+	}
+
+	rose_set_timer(sk);
+}
+
+#endif
diff --git a/net/rose/sysctl_net_rose.c b/net/rose/sysctl_net_rose.c
new file mode 100644
index 000000000..558702dbd
--- /dev/null
+++ b/net/rose/sysctl_net_rose.c
@@ -0,0 +1,62 @@
+/* -*- linux-c -*-
+ * sysctl_net_rose.c: sysctl interface to net Rose subsystem.
+ *
+ * Begun April 1, 1996, Mike Shaver.
+ * Added /proc/sys/net/rose directory entry (empty =) ). [MS]
+ */
+
+#include <linux/mm.h>
+#include <linux/sysctl.h>
+#include <net/ax25.h>
+#include <net/rose.h>
+
+static int min_timer[] = {1 * PR_SLOWHZ};
+static int max_timer[] = {300 * PR_SLOWHZ};
+static int min_idle[]  = {0 * PR_SLOWHZ};
+static int max_idle[]  = {65535 * PR_SLOWHZ};
+static int min_route[] = {0};
+static int max_route[] = {0};
+
+static struct ctl_table_header *rose_table_header;
+
+static ctl_table rose_table[] = {
+        {NET_ROSE_RESTART_REQUEST_TIMEOUT, "restart_request_timeout",
+         &sysctl_rose_restart_request_timeout, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_timer, &max_timer},
+        {NET_ROSE_CALL_REQUEST_TIMEOUT, "call_request_timeout",
+         &sysctl_rose_call_request_timeout, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_timer, &max_timer},
+        {NET_ROSE_RESET_REQUEST_TIMEOUT, "reset_request_timeout",
+         &sysctl_rose_reset_request_timeout, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_timer, &max_timer},
+        {NET_ROSE_CLEAR_REQUEST_TIMEOUT, "clear_request_timeout",
+         &sysctl_rose_clear_request_timeout, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_timer, &max_timer},
+        {NET_ROSE_NO_ACTIVITY_TIMEOUT, "no_activity_timeout",
+         &sysctl_rose_no_activity_timeout, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_idle, &max_idle},
+        {NET_ROSE_ROUTING_CONTROL, "routing_control",
+         &sysctl_rose_routing_control, sizeof(int), 0644, NULL,
+         &proc_dointvec_minmax, &sysctl_intvec, NULL, &min_route, &max_route},
+	{0}
+};
+
+static ctl_table rose_dir_table[] = {
+	{NET_ROSE, "rose", NULL, 0, 0555, rose_table},
+	{0}
+};
+
+static ctl_table rose_root_table[] = {
+	{CTL_NET, "net", NULL, 0, 0555, rose_dir_table},
+	{0}
+};
+
+void rose_register_sysctl(void)
+{
+	rose_table_header = register_sysctl_table(rose_root_table, 1);
+}
+
+void rose_unregister_sysctl(void)
+{
+	unregister_sysctl_table(rose_table_header);
+}