[net-next-2.6.git] / net / ipx / ipx_proc.c

/*
 *	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/net_namespace.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",
		   sk_wmem_alloc_get(s),
		   sk_rmem_alloc_get(s),
		   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", init_net.proc_net);

	if (!ipx_proc_dir)
		goto out;
	p = proc_create("interface", S_IRUGO,
			ipx_proc_dir, &ipx_seq_interface_fops);
	if (!p)
		goto out_interface;

	p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops);
	if (!p)
		goto out_route;

	p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops);
	if (!p)
		goto out_socket;

	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", init_net.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", init_net.proc_net);
}

#else /* CONFIG_PROC_FS */

int __init ipx_proc_init(void)
{
	return 0;
}

void __exit ipx_proc_exit(void)
{
}

#endif /* CONFIG_PROC_FS */
Commit	Line	Data
1da177e4 LT	1	/*
	2	* IPX proc routines
	3	*
	4	* Copyright(C) Arnaldo Carvalho de Melo <acme@conectiva.com.br>, 2002
	5	*/
	6
1da177e4 LT	7	#include <linux/init.h>
	8	#ifdef CONFIG_PROC_FS
	9	#include <linux/proc_fs.h>
	10	#include <linux/spinlock.h>
	11	#include <linux/seq_file.h>
457c4cbc	12	#include <net/net_namespace.h>
c752f073	13	#include <net/tcp_states.h>
1da177e4 LT	14	#include <net/ipx.h>
	15
	16	static __inline__ struct ipx_interface *ipx_get_interface_idx(loff_t pos)
	17	{
	18	struct ipx_interface *i;
	19
	20	list_for_each_entry(i, &ipx_interfaces, node)
	21	if (!pos--)
	22	goto out;
	23	i = NULL;
	24	out:
	25	return i;
	26	}
	27
	28	static struct ipx_interface ipx_interfaces_next(struct ipx_interface i)
	29	{
	30	struct ipx_interface *rc = NULL;
	31
	32	if (i->node.next != &ipx_interfaces)
	33	rc = list_entry(i->node.next, struct ipx_interface, node);
	34	return rc;
	35	}
	36
	37	static void ipx_seq_interface_start(struct seq_file seq, loff_t *pos)
	38	{
	39	loff_t l = *pos;
	40
	41	spin_lock_bh(&ipx_interfaces_lock);
	42	return l ? ipx_get_interface_idx(--l) : SEQ_START_TOKEN;
	43	}
	44
	45	static void ipx_seq_interface_next(struct seq_file seq, void v, loff_t pos)
	46	{
	47	struct ipx_interface *i;
	48
	49	++*pos;
	50	if (v == SEQ_START_TOKEN)
	51	i = ipx_interfaces_head();
	52	else
	53	i = ipx_interfaces_next(v);
	54	return i;
	55	}
	56
	57	static void ipx_seq_interface_stop(struct seq_file seq, void v)
	58	{
	59	spin_unlock_bh(&ipx_interfaces_lock);
	60	}
	61
	62	static int ipx_seq_interface_show(struct seq_file seq, void v)
	63	{
	64	struct ipx_interface *i;
	65
	66	if (v == SEQ_START_TOKEN) {
	67	seq_puts(seq, "Network Node_Address Primary Device "
	68	"Frame_Type");
	69	#ifdef IPX_REFCNT_DEBUG
	70	seq_puts(seq, " refcnt");
	71	#endif
	72	seq_puts(seq, "\n");
	73	goto out;
	74	}
	75
	76	i = v;
	77	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum));
78	seq_printf(seq, "%02X%02X%02X%02X%02X%02X ",
79	i->if_node[0], i->if_node[1], i->if_node[2],
80	i->if_node[3], i->if_node[4], i->if_node[5]);
81	seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
82	seq_printf(seq, "%-11s", ipx_device_name(i));
83	seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
84	#ifdef IPX_REFCNT_DEBUG
85	seq_printf(seq, "%6d", atomic_read(&i->refcnt));
86	#endif
87	seq_puts(seq, "\n");
88	out:
89	return 0;
90	}
91
92	static struct ipx_route *ipx_routes_head(void)
93	{
94	struct ipx_route *rc = NULL;
95
96	if (!list_empty(&ipx_routes))
97	rc = list_entry(ipx_routes.next, struct ipx_route, node);
98	return rc;
99	}
100
101	static struct ipx_route ipx_routes_next(struct ipx_route r)
102	{
103	struct ipx_route *rc = NULL;
104
105	if (r->node.next != &ipx_routes)
106	rc = list_entry(r->node.next, struct ipx_route, node);
107	return rc;
108	}
109
110	static __inline__ struct ipx_route *ipx_get_route_idx(loff_t pos)
111	{
112	struct ipx_route *r;
113
114	list_for_each_entry(r, &ipx_routes, node)
115	if (!pos--)
116	goto out;
117	r = NULL;
118	out:
119	return r;
120	}
121
122	static void ipx_seq_route_start(struct seq_file seq, loff_t *pos)
123	{
124	loff_t l = *pos;
125	read_lock_bh(&ipx_routes_lock);
126	return l ? ipx_get_route_idx(--l) : SEQ_START_TOKEN;
127	}
128
129	static void ipx_seq_route_next(struct seq_file seq, void v, loff_t pos)
130	{
131	struct ipx_route *r;
132
133	++*pos;
134	if (v == SEQ_START_TOKEN)
135	r = ipx_routes_head();
136	else
137	r = ipx_routes_next(v);
138	return r;
139	}
140
141	static void ipx_seq_route_stop(struct seq_file seq, void v)
142	{
143	read_unlock_bh(&ipx_routes_lock);
144	}
145
146	static int ipx_seq_route_show(struct seq_file seq, void v)
147	{
148	struct ipx_route *rt;
149
150	if (v == SEQ_START_TOKEN) {
151	seq_puts(seq, "Network Router_Net Router_Node\n");
152	goto out;
153	}
154	rt = v;
155	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net));
156	if (rt->ir_routed)
157	seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n",
158	(long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
159	rt->ir_router_node[0], rt->ir_router_node[1],
160	rt->ir_router_node[2], rt->ir_router_node[3],
161	rt->ir_router_node[4], rt->ir_router_node[5]);
162	else
163	seq_puts(seq, "Directly Connected\n");
164	out:
165	return 0;
166	}
167
168	static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
169	{
170	struct sock *s = NULL;
171	struct hlist_node *node;
172	struct ipx_interface *i;
173
174	list_for_each_entry(i, &ipx_interfaces, node) {
175	spin_lock_bh(&i->if_sklist_lock);
176	sk_for_each(s, node, &i->if_sklist) {
177	if (!pos)
178	break;
179	--pos;
180	}
181	spin_unlock_bh(&i->if_sklist_lock);
182	if (!pos) {
183	if (node)
184	goto found;
185	break;
186	}
187	}
188	s = NULL;
189	found:
190	return s;
191	}
192
193	static void ipx_seq_socket_start(struct seq_file seq, loff_t *pos)
194	{
195	loff_t l = *pos;
196
197	spin_lock_bh(&ipx_interfaces_lock);
198	return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN;
199	}
200
201	static void ipx_seq_socket_next(struct seq_file seq, void v, loff_t pos)
202	{
203	struct sock* sk, *next;
204	struct ipx_interface *i;
205	struct ipx_sock *ipxs;
206
207	++*pos;
208	if (v == SEQ_START_TOKEN) {
209	sk = NULL;
210	i = ipx_interfaces_head();
211	if (!i)
212	goto out;
213	sk = sk_head(&i->if_sklist);
214	if (sk)
215	spin_lock_bh(&i->if_sklist_lock);
216	goto out;
217	}
218	sk = v;
219	next = sk_next(sk);
220	if (next) {
221	sk = next;
222	goto out;
223	}
224	ipxs = ipx_sk(sk);
225	i = ipxs->intrfc;
226	spin_unlock_bh(&i->if_sklist_lock);
227	sk = NULL;
228	for (;;) {
229	i = ipx_interfaces_next(i);
230	if (!i)
231	break;
232	spin_lock_bh(&i->if_sklist_lock);
233	if (!hlist_empty(&i->if_sklist)) {
234	sk = sk_head(&i->if_sklist);
235	break;
236	}
237	spin_unlock_bh(&i->if_sklist_lock);
238	}
239	out:
240	return sk;
241	}
242
243	static int ipx_seq_socket_show(struct seq_file seq, void v)
244	{
245	struct sock *s;
246	struct ipx_sock *ipxs;
247
248	if (v == SEQ_START_TOKEN) {
249	#ifdef CONFIG_IPX_INTERN
250	seq_puts(seq, "Local_Address "
251	"Remote_Address Tx_Queue "
252	"Rx_Queue State Uid\n");
253	#else
254	seq_puts(seq, "Local_Address Remote_Address "
255	"Tx_Queue Rx_Queue State Uid\n");
256	#endif
257	goto out;
258	}
259
260	s = v;
261	ipxs = ipx_sk(s);
262	#ifdef CONFIG_IPX_INTERN
263	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
4833ed09	264	(unsigned long)ntohl(ipxs->intrfc->if_netnum),
1da177e4	265	ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
4833ed09	266	ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
1da177e4	267	#else
4833ed09 AV	268	seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
4833ed09 AV	269	ntohs(ipxs->port));
1da177e4 LT	270	#endif /* CONFIG_IPX_INTERN */
	271	if (s->sk_state != TCP_ESTABLISHED)
	272	seq_printf(seq, "%-28s", "Not_Connected");
	273	else {
	274	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
4833ed09	275	(unsigned long)ntohl(ipxs->dest_addr.net),
1da177e4 LT	276	ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
	277	ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
	278	ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
4833ed09	279	ntohs(ipxs->dest_addr.sock));
1da177e4 LT	280	}
	281
	282	seq_printf(seq, "%08X %08X %02X %03d\n",
31e6d363 ED	283	sk_wmem_alloc_get(s),
31e6d363 ED	284	sk_rmem_alloc_get(s),
1da177e4 LT	285	s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
	286	out:
	287	return 0;
	288	}
	289
56b3d975	290	static const struct seq_operations ipx_seq_interface_ops = {
1da177e4 LT	291	.start = ipx_seq_interface_start,
	292	.next = ipx_seq_interface_next,
	293	.stop = ipx_seq_interface_stop,
	294	.show = ipx_seq_interface_show,
	295	};
	296
56b3d975	297	static const struct seq_operations ipx_seq_route_ops = {
1da177e4 LT	298	.start = ipx_seq_route_start,
	299	.next = ipx_seq_route_next,
	300	.stop = ipx_seq_route_stop,
	301	.show = ipx_seq_route_show,
	302	};
	303
56b3d975	304	static const struct seq_operations ipx_seq_socket_ops = {
1da177e4 LT	305	.start = ipx_seq_socket_start,
	306	.next = ipx_seq_socket_next,
	307	.stop = ipx_seq_interface_stop,
	308	.show = ipx_seq_socket_show,
	309	};
	310
	311	static int ipx_seq_route_open(struct inode inode, struct file file)
	312	{
	313	return seq_open(file, &ipx_seq_route_ops);
	314	}
	315
	316	static int ipx_seq_interface_open(struct inode inode, struct file file)
	317	{
	318	return seq_open(file, &ipx_seq_interface_ops);
	319	}
	320
	321	static int ipx_seq_socket_open(struct inode inode, struct file file)
	322	{
	323	return seq_open(file, &ipx_seq_socket_ops);
	324	}
	325
9a32144e	326	static const struct file_operations ipx_seq_interface_fops = {
1da177e4 LT	327	.owner = THIS_MODULE,
	328	.open = ipx_seq_interface_open,
	329	.read = seq_read,
	330	.llseek = seq_lseek,
	331	.release = seq_release,
	332	};
	333
9a32144e	334	static const struct file_operations ipx_seq_route_fops = {
1da177e4 LT	335	.owner = THIS_MODULE,
	336	.open = ipx_seq_route_open,
	337	.read = seq_read,
	338	.llseek = seq_lseek,
	339	.release = seq_release,
	340	};
	341
9a32144e	342	static const struct file_operations ipx_seq_socket_fops = {
1da177e4 LT	343	.owner = THIS_MODULE,
	344	.open = ipx_seq_socket_open,
	345	.read = seq_read,
	346	.llseek = seq_lseek,
	347	.release = seq_release,
	348	};
	349
	350	static struct proc_dir_entry *ipx_proc_dir;
	351
	352	int __init ipx_proc_init(void)
	353	{
	354	struct proc_dir_entry *p;
	355	int rc = -ENOMEM;
981c0ff6	356
457c4cbc	357	ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net);
1da177e4 LT	358
	359	if (!ipx_proc_dir)
	360	goto out;
1e15dc98 WC	361	p = proc_create("interface", S_IRUGO,
1e15dc98 WC	362	ipx_proc_dir, &ipx_seq_interface_fops);
1da177e4 LT	363	if (!p)
	364	goto out_interface;
	365
1e15dc98	366	p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops);
1da177e4 LT	367	if (!p)
	368	goto out_route;
	369
1e15dc98	370	p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops);
1da177e4 LT	371	if (!p)
	372	goto out_socket;
	373
1da177e4 LT	374	rc = 0;
	375	out:
	376	return rc;
	377	out_socket:
	378	remove_proc_entry("route", ipx_proc_dir);
	379	out_route:
	380	remove_proc_entry("interface", ipx_proc_dir);
	381	out_interface:
457c4cbc	382	remove_proc_entry("ipx", init_net.proc_net);
1da177e4 LT	383	goto out;
	384	}
	385
	386	void __exit ipx_proc_exit(void)
	387	{
	388	remove_proc_entry("interface", ipx_proc_dir);
	389	remove_proc_entry("route", ipx_proc_dir);
	390	remove_proc_entry("socket", ipx_proc_dir);
457c4cbc	391	remove_proc_entry("ipx", init_net.proc_net);
1da177e4 LT	392	}
	393
	394	#else /* CONFIG_PROC_FS */
	395
	396	int __init ipx_proc_init(void)
	397	{
	398	return 0;
	399	}
	400
	401	void __exit ipx_proc_exit(void)
	402	{
	403	}
	404
	405	#endif /* CONFIG_PROC_FS */