[linux.git] / net / ipx / ipx_proc.c

/*
 *	IPX proc routines
 *
 * 	Copyright(C) Arnaldo Carvalho de Melo <[email protected]>, 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 void *ipx_seq_interface_start(struct seq_file *seq, loff_t *pos)
{
	spin_lock_bh(&ipx_interfaces_lock);
	return seq_list_start_head(&ipx_interfaces, *pos);
}

static void *ipx_seq_interface_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_list_next(v, &ipx_interfaces, pos);
}

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 == &ipx_interfaces) {
		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 = list_entry(v, struct ipx_interface, node);
	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 void *ipx_seq_route_start(struct seq_file *seq, loff_t *pos)
{
	read_lock_bh(&ipx_routes_lock);
	return seq_list_start_head(&ipx_routes, *pos);
}

static void *ipx_seq_route_next(struct seq_file *seq, void *v, loff_t *pos)
{
	return seq_list_next(v, &ipx_routes, pos);
}

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 == &ipx_routes) {
		seq_puts(seq, "Network    Router_Net   Router_Node\n");
		goto out;
	}

	rt = list_entry(v, struct ipx_route, node);

	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 (;;) {
		if (i->node.next == &ipx_interfaces)
			break;
		i = list_entry(i->node.next, struct ipx_interface, node);
		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 <[email protected]>, 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>
1da177e4 LT	15
1da177e4 LT	16	static void ipx_seq_interface_start(struct seq_file seq, loff_t *pos)
1da177e4 LT	17	{
1da177e4	18	spin_lock_bh(&ipx_interfaces_lock);
a2b79b41	19	return seq_list_start_head(&ipx_interfaces, *pos);
1da177e4 LT	20	}
	21
	22	static void ipx_seq_interface_next(struct seq_file seq, void v, loff_t pos)
	23	{
a2b79b41	24	return seq_list_next(v, &ipx_interfaces, pos);
1da177e4 LT	25	}
	26
	27	static void ipx_seq_interface_stop(struct seq_file seq, void v)
	28	{
	29	spin_unlock_bh(&ipx_interfaces_lock);
	30	}
	31
	32	static int ipx_seq_interface_show(struct seq_file seq, void v)
	33	{
	34	struct ipx_interface *i;
	35
a2b79b41	36	if (v == &ipx_interfaces) {
1da177e4 LT	37	seq_puts(seq, "Network Node_Address Primary Device "
	38	"Frame_Type");
	39	#ifdef IPX_REFCNT_DEBUG
	40	seq_puts(seq, " refcnt");
	41	#endif
	42	seq_puts(seq, "\n");
	43	goto out;
	44	}
	45
a2b79b41	46	i = list_entry(v, struct ipx_interface, node);
1da177e4 LT	47	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(i->if_netnum));
	48	seq_printf(seq, "%02X%02X%02X%02X%02X%02X ",
	49	i->if_node[0], i->if_node[1], i->if_node[2],
	50	i->if_node[3], i->if_node[4], i->if_node[5]);
	51	seq_printf(seq, "%-9s", i == ipx_primary_net ? "Yes" : "No");
	52	seq_printf(seq, "%-11s", ipx_device_name(i));
	53	seq_printf(seq, "%-9s", ipx_frame_name(i->if_dlink_type));
	54	#ifdef IPX_REFCNT_DEBUG
	55	seq_printf(seq, "%6d", atomic_read(&i->refcnt));
	56	#endif
	57	seq_puts(seq, "\n");
	58	out:
	59	return 0;
	60	}
	61
1da177e4 LT	62	static void ipx_seq_route_start(struct seq_file seq, loff_t *pos)
1da177e4 LT	63	{
1da177e4	64	read_lock_bh(&ipx_routes_lock);
a2b79b41	65	return seq_list_start_head(&ipx_routes, *pos);
1da177e4 LT	66	}
	67
	68	static void ipx_seq_route_next(struct seq_file seq, void v, loff_t pos)
	69	{
a2b79b41	70	return seq_list_next(v, &ipx_routes, pos);
1da177e4 LT	71	}
	72
	73	static void ipx_seq_route_stop(struct seq_file seq, void v)
	74	{
	75	read_unlock_bh(&ipx_routes_lock);
	76	}
	77
	78	static int ipx_seq_route_show(struct seq_file seq, void v)
	79	{
	80	struct ipx_route *rt;
	81
a2b79b41	82	if (v == &ipx_routes) {
1da177e4 LT	83	seq_puts(seq, "Network Router_Net Router_Node\n");
	84	goto out;
	85	}
a2b79b41 LZ	86
	87	rt = list_entry(v, struct ipx_route, node);
	88
1da177e4 LT	89	seq_printf(seq, "%08lX ", (unsigned long int)ntohl(rt->ir_net));
	90	if (rt->ir_routed)
	91	seq_printf(seq, "%08lX %02X%02X%02X%02X%02X%02X\n",
	92	(long unsigned int)ntohl(rt->ir_intrfc->if_netnum),
	93	rt->ir_router_node[0], rt->ir_router_node[1],
	94	rt->ir_router_node[2], rt->ir_router_node[3],
	95	rt->ir_router_node[4], rt->ir_router_node[5]);
	96	else
	97	seq_puts(seq, "Directly Connected\n");
	98	out:
	99	return 0;
	100	}
	101
	102	static __inline__ struct sock *ipx_get_socket_idx(loff_t pos)
	103	{
	104	struct sock *s = NULL;
	105	struct hlist_node *node;
	106	struct ipx_interface *i;
	107
	108	list_for_each_entry(i, &ipx_interfaces, node) {
	109	spin_lock_bh(&i->if_sklist_lock);
	110	sk_for_each(s, node, &i->if_sklist) {
	111	if (!pos)
	112	break;
	113	--pos;
	114	}
	115	spin_unlock_bh(&i->if_sklist_lock);
	116	if (!pos) {
	117	if (node)
	118	goto found;
	119	break;
	120	}
	121	}
	122	s = NULL;
	123	found:
	124	return s;
	125	}
	126
	127	static void ipx_seq_socket_start(struct seq_file seq, loff_t *pos)
	128	{
	129	loff_t l = *pos;
	130
	131	spin_lock_bh(&ipx_interfaces_lock);
	132	return l ? ipx_get_socket_idx(--l) : SEQ_START_TOKEN;
	133	}
	134
	135	static void ipx_seq_socket_next(struct seq_file seq, void v, loff_t pos)
	136	{
	137	struct sock* sk, *next;
	138	struct ipx_interface *i;
	139	struct ipx_sock *ipxs;
	140
	141	++*pos;
	142	if (v == SEQ_START_TOKEN) {
	143	sk = NULL;
	144	i = ipx_interfaces_head();
	145	if (!i)
	146	goto out;
	147	sk = sk_head(&i->if_sklist);
	148	if (sk)
	149	spin_lock_bh(&i->if_sklist_lock);
	150	goto out;
	151	}
	152	sk = v;
153	next = sk_next(sk);
154	if (next) {
155	sk = next;
156	goto out;
157	}
158	ipxs = ipx_sk(sk);
159	i = ipxs->intrfc;
160	spin_unlock_bh(&i->if_sklist_lock);
161	sk = NULL;
162	for (;;) {
a2b79b41	163	if (i->node.next == &ipx_interfaces)
1da177e4	164	break;
a2b79b41	165	i = list_entry(i->node.next, struct ipx_interface, node);
1da177e4 LT	166	spin_lock_bh(&i->if_sklist_lock);
	167	if (!hlist_empty(&i->if_sklist)) {
	168	sk = sk_head(&i->if_sklist);
	169	break;
	170	}
	171	spin_unlock_bh(&i->if_sklist_lock);
	172	}
	173	out:
	174	return sk;
	175	}
	176
	177	static int ipx_seq_socket_show(struct seq_file seq, void v)
	178	{
	179	struct sock *s;
	180	struct ipx_sock *ipxs;
	181
	182	if (v == SEQ_START_TOKEN) {
	183	#ifdef CONFIG_IPX_INTERN
	184	seq_puts(seq, "Local_Address "
	185	"Remote_Address Tx_Queue "
	186	"Rx_Queue State Uid\n");
	187	#else
	188	seq_puts(seq, "Local_Address Remote_Address "
	189	"Tx_Queue Rx_Queue State Uid\n");
	190	#endif
	191	goto out;
	192	}
	193
	194	s = v;
	195	ipxs = ipx_sk(s);
	196	#ifdef CONFIG_IPX_INTERN
	197	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
4833ed09	198	(unsigned long)ntohl(ipxs->intrfc->if_netnum),
1da177e4	199	ipxs->node[0], ipxs->node[1], ipxs->node[2], ipxs->node[3],
4833ed09	200	ipxs->node[4], ipxs->node[5], ntohs(ipxs->port));
1da177e4	201	#else
4833ed09 AV	202	seq_printf(seq, "%08lX:%04X ", (unsigned long) ntohl(ipxs->intrfc->if_netnum),
4833ed09 AV	203	ntohs(ipxs->port));
1da177e4 LT	204	#endif /* CONFIG_IPX_INTERN */
	205	if (s->sk_state != TCP_ESTABLISHED)
	206	seq_printf(seq, "%-28s", "Not_Connected");
	207	else {
	208	seq_printf(seq, "%08lX:%02X%02X%02X%02X%02X%02X:%04X ",
4833ed09	209	(unsigned long)ntohl(ipxs->dest_addr.net),
1da177e4 LT	210	ipxs->dest_addr.node[0], ipxs->dest_addr.node[1],
	211	ipxs->dest_addr.node[2], ipxs->dest_addr.node[3],
	212	ipxs->dest_addr.node[4], ipxs->dest_addr.node[5],
4833ed09	213	ntohs(ipxs->dest_addr.sock));
1da177e4 LT	214	}
	215
	216	seq_printf(seq, "%08X %08X %02X %03d\n",
31e6d363 ED	217	sk_wmem_alloc_get(s),
31e6d363 ED	218	sk_rmem_alloc_get(s),
1da177e4 LT	219	s->sk_state, SOCK_INODE(s->sk_socket)->i_uid);
	220	out:
	221	return 0;
	222	}
	223
56b3d975	224	static const struct seq_operations ipx_seq_interface_ops = {
1da177e4 LT	225	.start = ipx_seq_interface_start,
	226	.next = ipx_seq_interface_next,
	227	.stop = ipx_seq_interface_stop,
	228	.show = ipx_seq_interface_show,
	229	};
	230
56b3d975	231	static const struct seq_operations ipx_seq_route_ops = {
1da177e4 LT	232	.start = ipx_seq_route_start,
	233	.next = ipx_seq_route_next,
	234	.stop = ipx_seq_route_stop,
	235	.show = ipx_seq_route_show,
	236	};
	237
56b3d975	238	static const struct seq_operations ipx_seq_socket_ops = {
1da177e4 LT	239	.start = ipx_seq_socket_start,
	240	.next = ipx_seq_socket_next,
	241	.stop = ipx_seq_interface_stop,
	242	.show = ipx_seq_socket_show,
	243	};
	244
	245	static int ipx_seq_route_open(struct inode inode, struct file file)
	246	{
	247	return seq_open(file, &ipx_seq_route_ops);
	248	}
	249
	250	static int ipx_seq_interface_open(struct inode inode, struct file file)
	251	{
	252	return seq_open(file, &ipx_seq_interface_ops);
	253	}
	254
	255	static int ipx_seq_socket_open(struct inode inode, struct file file)
	256	{
	257	return seq_open(file, &ipx_seq_socket_ops);
	258	}
	259
9a32144e	260	static const struct file_operations ipx_seq_interface_fops = {
1da177e4 LT	261	.owner = THIS_MODULE,
	262	.open = ipx_seq_interface_open,
	263	.read = seq_read,
	264	.llseek = seq_lseek,
	265	.release = seq_release,
	266	};
	267
9a32144e	268	static const struct file_operations ipx_seq_route_fops = {
1da177e4 LT	269	.owner = THIS_MODULE,
	270	.open = ipx_seq_route_open,
	271	.read = seq_read,
	272	.llseek = seq_lseek,
	273	.release = seq_release,
	274	};
	275
9a32144e	276	static const struct file_operations ipx_seq_socket_fops = {
1da177e4 LT	277	.owner = THIS_MODULE,
	278	.open = ipx_seq_socket_open,
	279	.read = seq_read,
	280	.llseek = seq_lseek,
	281	.release = seq_release,
	282	};
	283
	284	static struct proc_dir_entry *ipx_proc_dir;
	285
	286	int __init ipx_proc_init(void)
	287	{
	288	struct proc_dir_entry *p;
	289	int rc = -ENOMEM;
981c0ff6	290
457c4cbc	291	ipx_proc_dir = proc_mkdir("ipx", init_net.proc_net);
1da177e4 LT	292
	293	if (!ipx_proc_dir)
	294	goto out;
1e15dc98 WC	295	p = proc_create("interface", S_IRUGO,
1e15dc98 WC	296	ipx_proc_dir, &ipx_seq_interface_fops);
1da177e4 LT	297	if (!p)
	298	goto out_interface;
	299
1e15dc98	300	p = proc_create("route", S_IRUGO, ipx_proc_dir, &ipx_seq_route_fops);
1da177e4 LT	301	if (!p)
	302	goto out_route;
	303
1e15dc98	304	p = proc_create("socket", S_IRUGO, ipx_proc_dir, &ipx_seq_socket_fops);
1da177e4 LT	305	if (!p)
	306	goto out_socket;
	307
1da177e4 LT	308	rc = 0;
	309	out:
	310	return rc;
	311	out_socket:
	312	remove_proc_entry("route", ipx_proc_dir);
	313	out_route:
	314	remove_proc_entry("interface", ipx_proc_dir);
	315	out_interface:
457c4cbc	316	remove_proc_entry("ipx", init_net.proc_net);
1da177e4 LT	317	goto out;
	318	}
	319
	320	void __exit ipx_proc_exit(void)
	321	{
	322	remove_proc_entry("interface", ipx_proc_dir);
	323	remove_proc_entry("route", ipx_proc_dir);
	324	remove_proc_entry("socket", ipx_proc_dir);
457c4cbc	325	remove_proc_entry("ipx", init_net.proc_net);
1da177e4 LT	326	}
	327
	328	#else /* CONFIG_PROC_FS */
	329
	330	int __init ipx_proc_init(void)
	331	{
	332	return 0;
	333	}
	334
	335	void __exit ipx_proc_exit(void)
	336	{
	337	}
	338
	339	#endif /* CONFIG_PROC_FS */