net/ipx/ipx_proc.c - kernel/msm-4.19 - Gitiles

 /*
  *	IPX proc routines
  *
  * 	Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
  */

 #include <linux/init.h>
 #ifdef CONFIG_PROC_FS
 #include <linux/proc_fs.h>
 #include <linux/spinlock.h>
 #include <linux/seq_file.h>
 #include <net/tcp_states.h>
 #include <net/ipx.h>

 static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos)
 {
 	struct ipx_interface *i;

 	list_for_each_entry(i, &ipx_interfaces, node)
 		if (!pos--)
 			goto out;
 	i = NULL;
 out:
 	return i;
 }

 static struct ipx_interface *ipx_interfaces_next(struct ipx_interface *i)
 {
 	struct ipx_interface *rc = NULL;

 	if (i->node.next != &ipx_interfaces)
 		rc = list_entry(i->node.next, struct ipx_interface, node);
 	return rc;
 }

 static void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos)
 {
 	loff_t l = *pos;

 	spin_lock_bh(&ipx_interfaces_lock);
 	return l ? ipx_get_interface_idx(--l) : SEQ_START_TOKEN;
 }

 static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct ipx_interface *i;

 	++*pos;
 	if (v == SEQ_START_TOKEN)
 		i = ipx_interfaces_head();
 	else
 		i = ipx_interfaces_next(v);
 	return i;
 }

 static void ipx_seq_interface_stop(struct seq_file *seq, void *v)
 {
 	spin_unlock_bh(&ipx_interfaces_lock);
 }

 static int ipx_seq_interface_show(struct seq_file *seq, void *v)
 {
 	struct ipx_interface *i;

 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq, "Network    Node_Address   Primary  Device     "
 			      "Frame_Type");
 #ifdef IPX_REFCNT_DEBUG
 		seq_puts(seq, "  refcnt");
 #endif
 		seq_puts(seq, "\n");
 		goto out;
 	}

 	i = v;
 	seq_printf(seq, "%08lX   ", (unsigned long int)ntohl(i->if_netnum));
 	seq_printf(seq, "%02X%02X%02X%02X%02X%02X   ",
 			i->if_node[0], i->if_node[1], i->if_node[2],
 			i->if_node[3], i->if_node[4], i->if_node[5]);
 	seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
 	seq_printf(seq, "%-11s", ipx_device_name(i));
 	seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
 #ifdef IPX_REFCNT_DEBUG
 	seq_printf(seq, "%6d", atomic_read(&i->refcnt));
 #endif
 	seq_puts(seq, "\n");
 out:
 	return 0;
 }

 static struct ipx_route *ipx_routes_head(void)
 {
 	struct ipx_route *rc = NULL;

 	if (!list_empty(&ipx_routes))
 		rc = list_entry(ipx_routes.next, struct ipx_route, node);
 	return rc;
 }

 static struct ipx_route *ipx_routes_next(struct ipx_route *r)
 {
 	struct ipx_route *rc = NULL;

 	if (r->node.next != &ipx_routes)
 		rc = list_entry(r->node.next, struct ipx_route, node);
 	return rc;
 }

 static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos)
 {
 	struct ipx_route *r;

 	list_for_each_entry(r, &ipx_routes, node)
 		if (!pos--)
 			goto out;
 	r = NULL;
 out:
 	return r;
 }

 static void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos)
 {
 	loff_t l = *pos;
 	read_lock_bh(&ipx_routes_lock);
 	return l ? ipx_get_route_idx(--l) : SEQ_START_TOKEN;
 }

 static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct ipx_route *r;

 	++*pos;
 	if (v == SEQ_START_TOKEN)
 		r = ipx_routes_head();
 	else
 		r = ipx_routes_next(v);
 	return r;
 }

 static void ipx_seq_route_stop(struct seq_file *seq, void *v)
 {
 	read_unlock_bh(&ipx_routes_lock);
 }

 static int ipx_seq_route_show(struct seq_file *seq, void *v)
 {
 	struct ipx_route *rt;

 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq, "Network    Router_Net   Router_Node\n");
 		goto out;
 	}
 	rt = v;
 	seq_printf(seq, "%08lX   ", (unsigned long int)ntohl(rt->ir_net));
 	if (rt->ir_routed)
 		seq_printf(seq, "%08lX     %02X%02X%02X%02X%02X%02X\n",
 			   (long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
 			   rt->ir_router_node[0], rt->ir_router_node[1],
 			   rt->ir_router_node[2], rt->ir_router_node[3],
 			   rt->ir_router_node[4], rt->ir_router_node[5]);
 	else
 		seq_puts(seq, "Directly     Connected\n");
 out:
 	return 0;
 }

 static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
 {
 	struct sock *s = NULL;
 	struct hlist_node *node;
 	struct ipx_interface *i;

 	list_for_each_entry(i, &ipx_interfaces, node) {
 		spin_lock_bh(&i->if_sklist_lock);
 		sk_for_each(s, node, &i->if_sklist) {
 			if (!pos)
 				break;
 			--pos;
 		}
 		spin_unlock_bh(&i->if_sklist_lock);
 		if (!pos) {
 			if (node)
 				goto found;
 			break;
 		}
 	}
 	s = NULL;
 found:
 	return s;
 }

 static void *ipx_seq_socket_start(struct seq_file *seq, loff_t *pos)
 {
 	loff_t l = *pos;

 	spin_lock_bh(&ipx_interfaces_lock);
 	return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN;
 }

 static void *ipx_seq_socket_next(struct seq_file *seq, void *v, loff_t *pos)
 {
 	struct sock* sk, *next;
 	struct ipx_interface *i;
 	struct ipx_sock *ipxs;

 	++*pos;
 	if (v == SEQ_START_TOKEN) {
 		sk = NULL;
 		i = ipx_interfaces_head();
 		if (!i)
 			goto out;
 		sk = sk_head(&i->if_sklist);
 		if (sk)
 			spin_lock_bh(&i->if_sklist_lock);
 		goto out;
 	}
 	sk = v;
 	next = sk_next(sk);
 	if (next) {
 		sk = next;
 		goto out;
 	}
 	ipxs = ipx_sk(sk);
 	i = ipxs->intrfc;
 	spin_unlock_bh(&i->if_sklist_lock);
 	sk = NULL;
 	for (;;) {
 		i = ipx_interfaces_next(i);
 		if (!i)
 			break;
 		spin_lock_bh(&i->if_sklist_lock);
 		if (!hlist_empty(&i->if_sklist)) {
 			sk = sk_head(&i->if_sklist);
 			break;
 		}
 		spin_unlock_bh(&i->if_sklist_lock);
 	}
 out:
 	return sk;
 }

 static int ipx_seq_socket_show(struct seq_file *seq, void *v)
 {
 	struct sock *s;
 	struct ipx_sock *ipxs;

 	if (v == SEQ_START_TOKEN) {
 #ifdef CONFIG_IPX_INTERN
 		seq_puts(seq, "Local_Address               "
 			      "Remote_Address              Tx_Queue  "
 			      "Rx_Queue  State  Uid\n");
 #else
 		seq_puts(seq, "Local_Address  Remote_Address              "
 			      "Tx_Queue  Rx_Queue  State  Uid\n");
 #endif
 		goto out;
 	}

 	s = v;
 	ipxs = ipx_sk(s);
 #ifdef CONFIG_IPX_INTERN
 	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X  ",
 		   (unsigned long)ntohl(ipxs->intrfc->if_netnum),
 		   ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
 		   ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
 #else
 	seq_printf(seq, "%08lX:%04X  ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
 		   ntohs(ipxs->port));
 #endif	/* CONFIG_IPX_INTERN */
 	if (s->sk_state != TCP_ESTABLISHED)
 		seq_printf(seq, "%-28s", "Not_Connected");
 	else {
 		seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X  ",
 			   (unsigned long)ntohl(ipxs->dest_addr.net),
 			   ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
 			   ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
 			   ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
 			   ntohs(ipxs->dest_addr.sock));
 	}

 	seq_printf(seq, "%08X  %08X  %02X     %03d\n",
 		   atomic_read(&s->sk_wmem_alloc),
 		   atomic_read(&s->sk_rmem_alloc),
 		   s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
 out:
 	return 0;
 }

 static const struct seq_operations ipx_seq_interface_ops = {
 	.start  = ipx_seq_interface_start,
 	.next   = ipx_seq_interface_next,
 	.stop   = ipx_seq_interface_stop,
 	.show   = ipx_seq_interface_show,
 };

 static const struct seq_operations ipx_seq_route_ops = {
 	.start  = ipx_seq_route_start,
 	.next   = ipx_seq_route_next,
 	.stop   = ipx_seq_route_stop,
 	.show   = ipx_seq_route_show,
 };

 static const struct seq_operations ipx_seq_socket_ops = {
 	.start  = ipx_seq_socket_start,
 	.next   = ipx_seq_socket_next,
 	.stop   = ipx_seq_interface_stop,
 	.show   = ipx_seq_socket_show,
 };

 static int ipx_seq_route_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &ipx_seq_route_ops);
 }

 static int ipx_seq_interface_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &ipx_seq_interface_ops);
 }

 static int ipx_seq_socket_open(struct inode *inode, struct file *file)
 {
 	return seq_open(file, &ipx_seq_socket_ops);
 }

 static const struct file_operations ipx_seq_interface_fops = {
 	.owner		= THIS_MODULE,
 	.open           = ipx_seq_interface_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
 	.release        = seq_release,
 };

 static const struct file_operations ipx_seq_route_fops = {
 	.owner		= THIS_MODULE,
 	.open           = ipx_seq_route_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
 	.release        = seq_release,
 };

 static const struct file_operations ipx_seq_socket_fops = {
 	.owner		= THIS_MODULE,
 	.open           = ipx_seq_socket_open,
 	.read           = seq_read,
 	.llseek         = seq_lseek,
 	.release        = seq_release,
 };

 static struct proc_dir_entry *ipx_proc_dir;

 int __init ipx_proc_init(void)
 {
 	struct proc_dir_entry *p;
 	int rc = -ENOMEM;

 	ipx_proc_dir = proc_mkdir("ipx", proc_net);

 	if (!ipx_proc_dir)
 		goto out;
 	p = create_proc_entry("interface", S_IRUGO, ipx_proc_dir);
 	if (!p)
 		goto out_interface;

 	p->proc_fops = &ipx_seq_interface_fops;
 	p = create_proc_entry("route", S_IRUGO, ipx_proc_dir);
 	if (!p)
 		goto out_route;

 	p->proc_fops = &ipx_seq_route_fops;
 	p = create_proc_entry("socket", S_IRUGO, ipx_proc_dir);
 	if (!p)
 		goto out_socket;

 	p->proc_fops = &ipx_seq_socket_fops;

 	rc = 0;
 out:
 	return rc;
 out_socket:
 	remove_proc_entry("route", ipx_proc_dir);
 out_route:
 	remove_proc_entry("interface", ipx_proc_dir);
 out_interface:
 	remove_proc_entry("ipx", proc_net);
 	goto out;
 }

 void __exit ipx_proc_exit(void)
 {
 	remove_proc_entry("interface", ipx_proc_dir);
 	remove_proc_entry("route", ipx_proc_dir);
 	remove_proc_entry("socket", ipx_proc_dir);
 	remove_proc_entry("ipx", proc_net);
 }

 #else /* CONFIG_PROC_FS */

 int __init ipx_proc_init(void)
 {
 	return 0;
 }

 void __exit ipx_proc_exit(void)
 {
 }

 #endif /* CONFIG_PROC_FS */
	/*
	* IPX proc routines
	*
	* Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
	*/

	#include <linux/init.h>
	#ifdef CONFIG_PROC_FS
	#include <linux/proc_fs.h>
	#include <linux/spinlock.h>
	#include <linux/seq_file.h>
	#include <net/tcp_states.h>
	#include <net/ipx.h>

	static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos)
	{
	struct ipx_interface *i;

	list_for_each_entry(i, &ipx_interfaces, node)
	if (!pos--)
	goto out;
	i = NULL;
	out:
	return i;
	}

	static struct ipx_interface ipx_interfaces_next(struct ipx_interface i)
	{
	struct ipx_interface *rc = NULL;

	if (i->node.next != &ipx_interfaces)
	rc = list_entry(i->node.next, struct ipx_interface, node);
	return rc;
	}

	static void ipx_seq_interface_start(struct seq_file seq, loff_t *pos)
	{
	loff_t l = *pos;

	spin_lock_bh(&ipx_interfaces_lock);
	return l ? ipx_get_interface_idx(--l) : SEQ_START_TOKEN;
	}

	static void ipx_seq_interface_next(struct seq_file seq, void v, loff_t pos)
	{
	struct ipx_interface *i;

	++*pos;
	if (v == SEQ_START_TOKEN)
	i = ipx_interfaces_head();
	else
	i = ipx_interfaces_next(v);
	return i;
	}

	static void ipx_seq_interface_stop(struct seq_file seq, void v)
	{
	spin_unlock_bh(&ipx_interfaces_lock);
	}

	static int ipx_seq_interface_show(struct seq_file seq, void v)
	{
	struct ipx_interface *i;

	if (v == SEQ_START_TOKEN) {
	seq_puts(seq, "Network Node_Address Primary Device "
	"Frame_Type");
	#ifdef IPX_REFCNT_DEBUG
	seq_puts(seq, " refcnt");
	#endif
	seq_puts(seq, "\n");
	goto out;
	}

	i = v;
	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum));
	seq_printf(seq, "%02X%02X%02X%02X%02X%02X ",
	i->if_node[0], i->if_node[1], i->if_node[2],
	i->if_node[3], i->if_node[4], i->if_node[5]);
	seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
	seq_printf(seq, "%-11s", ipx_device_name(i));
	seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
	#ifdef IPX_REFCNT_DEBUG
	seq_printf(seq, "%6d", atomic_read(&i->refcnt));
	#endif
	seq_puts(seq, "\n");
	out:
	return 0;
	}

	static struct ipx_route *ipx_routes_head(void)
	{
	struct ipx_route *rc = NULL;

	if (!list_empty(&ipx_routes))
	rc = list_entry(ipx_routes.next, struct ipx_route, node);
	return rc;
	}

	static struct ipx_route ipx_routes_next(struct ipx_route r)
	{
	struct ipx_route *rc = NULL;

	if (r->node.next != &ipx_routes)
	rc = list_entry(r->node.next, struct ipx_route, node);
	return rc;
	}

	static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos)
	{
	struct ipx_route *r;

	list_for_each_entry(r, &ipx_routes, node)
	if (!pos--)
	goto out;
	r = NULL;
	out:
	return r;
	}

	static void ipx_seq_route_start(struct seq_file seq, loff_t *pos)
	{
	loff_t l = *pos;
	read_lock_bh(&ipx_routes_lock);
	return l ? ipx_get_route_idx(--l) : SEQ_START_TOKEN;
	}

	static void ipx_seq_route_next(struct seq_file seq, void v, loff_t pos)
	{
	struct ipx_route *r;

	++*pos;
	if (v == SEQ_START_TOKEN)
	r = ipx_routes_head();
	else
	r = ipx_routes_next(v);
	return r;
	}

	static void ipx_seq_route_stop(struct seq_file seq, void v)
	{
	read_unlock_bh(&ipx_routes_lock);
	}

	static int ipx_seq_route_show(struct seq_file seq, void v)
	{
	struct ipx_route *rt;

	if (v == SEQ_START_TOKEN) {
	seq_puts(seq, "Network Router_Net Router_Node\n");
	goto out;
	}
	rt = v;
	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net));
	if (rt->ir_routed)
	seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n",
	(long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
	rt->ir_router_node[0], rt->ir_router_node[1],
	rt->ir_router_node[2], rt->ir_router_node[3],
	rt->ir_router_node[4], rt->ir_router_node[5]);
	else
	seq_puts(seq, "Directly Connected\n");
	out:
	return 0;
	}

	static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
	{
	struct sock *s = NULL;
	struct hlist_node *node;
	struct ipx_interface *i;

	list_for_each_entry(i, &ipx_interfaces, node) {
	spin_lock_bh(&i->if_sklist_lock);
	sk_for_each(s, node, &i->if_sklist) {
	if (!pos)
	break;
	--pos;
	}
	spin_unlock_bh(&i->if_sklist_lock);
	if (!pos) {
	if (node)
	goto found;
	break;
	}
	}
	s = NULL;
	found:
	return s;
	}

	static void ipx_seq_socket_start(struct seq_file seq, loff_t *pos)
	{
	loff_t l = *pos;

	spin_lock_bh(&ipx_interfaces_lock);
	return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN;
	}

	static void ipx_seq_socket_next(struct seq_file seq, void v, loff_t pos)
	{
	struct sock* sk, *next;
	struct ipx_interface *i;
	struct ipx_sock *ipxs;

	++*pos;
	if (v == SEQ_START_TOKEN) {
	sk = NULL;
	i = ipx_interfaces_head();
	if (!i)
	goto out;
	sk = sk_head(&i->if_sklist);
	if (sk)
	spin_lock_bh(&i->if_sklist_lock);
	goto out;
	}
	sk = v;
	next = sk_next(sk);
	if (next) {
	sk = next;
	goto out;
	}
	ipxs = ipx_sk(sk);
	i = ipxs->intrfc;
	spin_unlock_bh(&i->if_sklist_lock);
	sk = NULL;
	for (;;) {
	i = ipx_interfaces_next(i);
	if (!i)
	break;
	spin_lock_bh(&i->if_sklist_lock);
	if (!hlist_empty(&i->if_sklist)) {
	sk = sk_head(&i->if_sklist);
	break;
	}
	spin_unlock_bh(&i->if_sklist_lock);
	}
	out:
	return sk;
	}

	static int ipx_seq_socket_show(struct seq_file seq, void v)
	{
	struct sock *s;
	struct ipx_sock *ipxs;

	if (v == SEQ_START_TOKEN) {
	#ifdef CONFIG_IPX_INTERN
	seq_puts(seq, "Local_Address "
	"Remote_Address Tx_Queue "
	"Rx_Queue State Uid\n");
	#else
	seq_puts(seq, "Local_Address Remote_Address "
	"Tx_Queue Rx_Queue State Uid\n");
	#endif
	goto out;
	}

	s = v;
	ipxs = ipx_sk(s);
	#ifdef CONFIG_IPX_INTERN
	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
	(unsigned long)ntohl(ipxs->intrfc->if_netnum),
	ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
	ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
	#else
	seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
	ntohs(ipxs->port));
	#endif /* CONFIG_IPX_INTERN */
	if (s->sk_state != TCP_ESTABLISHED)
	seq_printf(seq, "%-28s", "Not_Connected");
	else {
	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
	(unsigned long)ntohl(ipxs->dest_addr.net),
	ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
	ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
	ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
	ntohs(ipxs->dest_addr.sock));
	}

	seq_printf(seq, "%08X %08X %02X %03d\n",
	atomic_read(&s->sk_wmem_alloc),
	atomic_read(&s->sk_rmem_alloc),
	s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
	out:
	return 0;
	}

	static const struct seq_operations ipx_seq_interface_ops = {
	.start = ipx_seq_interface_start,
	.next = ipx_seq_interface_next,
	.stop = ipx_seq_interface_stop,
	.show = ipx_seq_interface_show,
	};

	static const struct seq_operations ipx_seq_route_ops = {
	.start = ipx_seq_route_start,
	.next = ipx_seq_route_next,
	.stop = ipx_seq_route_stop,
	.show = ipx_seq_route_show,
	};

	static const struct seq_operations ipx_seq_socket_ops = {
	.start = ipx_seq_socket_start,
	.next = ipx_seq_socket_next,
	.stop = ipx_seq_interface_stop,
	.show = ipx_seq_socket_show,
	};

	static int ipx_seq_route_open(struct inode inode, struct file file)
	{
	return seq_open(file, &ipx_seq_route_ops);
	}

	static int ipx_seq_interface_open(struct inode inode, struct file file)
	{
	return seq_open(file, &ipx_seq_interface_ops);
	}

	static int ipx_seq_socket_open(struct inode inode, struct file file)
	{
	return seq_open(file, &ipx_seq_socket_ops);
	}

	static const struct file_operations ipx_seq_interface_fops = {
	.owner = THIS_MODULE,
	.open = ipx_seq_interface_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = seq_release,
	};

	static const struct file_operations ipx_seq_route_fops = {
	.owner = THIS_MODULE,
	.open = ipx_seq_route_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = seq_release,
	};

	static const struct file_operations ipx_seq_socket_fops = {
	.owner = THIS_MODULE,
	.open = ipx_seq_socket_open,
	.read = seq_read,
	.llseek = seq_lseek,
	.release = seq_release,
	};

	static struct proc_dir_entry *ipx_proc_dir;

	int __init ipx_proc_init(void)
	{
	struct proc_dir_entry *p;
	int rc = -ENOMEM;

	ipx_proc_dir = proc_mkdir("ipx", proc_net);

	if (!ipx_proc_dir)
	goto out;
	p = create_proc_entry("interface", S_IRUGO, ipx_proc_dir);
	if (!p)
	goto out_interface;

	p->proc_fops = &ipx_seq_interface_fops;
	p = create_proc_entry("route", S_IRUGO, ipx_proc_dir);
	if (!p)
	goto out_route;

	p->proc_fops = &ipx_seq_route_fops;
	p = create_proc_entry("socket", S_IRUGO, ipx_proc_dir);
	if (!p)
	goto out_socket;

	p->proc_fops = &ipx_seq_socket_fops;

	rc = 0;
	out:
	return rc;
	out_socket:
	remove_proc_entry("route", ipx_proc_dir);
	out_route:
	remove_proc_entry("interface", ipx_proc_dir);
	out_interface:
	remove_proc_entry("ipx", proc_net);
	goto out;
	}

	void __exit ipx_proc_exit(void)
	{
	remove_proc_entry("interface", ipx_proc_dir);
	remove_proc_entry("route", ipx_proc_dir);
	remove_proc_entry("socket", ipx_proc_dir);
	remove_proc_entry("ipx", proc_net);
	}

	#else /* CONFIG_PROC_FS */

	int __init ipx_proc_init(void)
	{
	return 0;
	}

	void __exit ipx_proc_exit(void)
	{
	}

	#endif /* CONFIG_PROC_FS */