[deliverable/linux.git] / net / rxrpc / ar-proc.c

/* /proc/net/ support for AF_RXRPC
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program 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.
 */

#include <linux/module.h>
#include <net/sock.h>
#include <net/af_rxrpc.h>
#include "ar-internal.h"

static const char *const rxrpc_conn_states[] = {
	[RXRPC_CONN_UNUSED]		= "Unused  ",
	[RXRPC_CONN_CLIENT]		= "Client  ",
	[RXRPC_CONN_SERVER_UNSECURED]	= "SvUnsec ",
	[RXRPC_CONN_SERVER_CHALLENGING]	= "SvChall ",
	[RXRPC_CONN_SERVER]		= "SvSecure",
	[RXRPC_CONN_REMOTELY_ABORTED]	= "RmtAbort",
	[RXRPC_CONN_LOCALLY_ABORTED]	= "LocAbort",
	[RXRPC_CONN_NETWORK_ERROR]	= "NetError",
};

/*
 * generate a list of extant and dead calls in /proc/net/rxrpc_calls
 */
static void *rxrpc_call_seq_start(struct seq_file *seq, loff_t *_pos)
{
	read_lock(&rxrpc_call_lock);
	return seq_list_start_head(&rxrpc_calls, *_pos);
}

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

static void rxrpc_call_seq_stop(struct seq_file *seq, void *v)
{
	read_unlock(&rxrpc_call_lock);
}

static int rxrpc_call_seq_show(struct seq_file *seq, void *v)
{
	struct rxrpc_transport *trans;
	struct rxrpc_call *call;
	char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];

	if (v == &rxrpc_calls) {
		seq_puts(seq,
			 "Proto Local                  Remote                "
			 " SvID ConnID   CallID   End Use State    Abort   "
			 " UserID\n");
		return 0;
	}

	call = list_entry(v, struct rxrpc_call, link);
	trans = call->conn->trans;

	sprintf(lbuff, "%pI4:%u",
		&trans->local->srx.transport.sin.sin_addr,
		ntohs(trans->local->srx.transport.sin.sin_port));

	sprintf(rbuff, "%pI4:%u",
		&trans->peer->srx.transport.sin.sin_addr,
		ntohs(trans->peer->srx.transport.sin.sin_port));

	seq_printf(seq,
		   "UDP   %-22.22s %-22.22s %4x %08x %08x %s %3u"
		   " %-8.8s %08x %lx\n",
		   lbuff,
		   rbuff,
		   ntohs(call->conn->service_id),
		   ntohl(call->conn->cid),
		   ntohl(call->call_id),
		   call->conn->in_clientflag ? "Svc" : "Clt",
		   atomic_read(&call->usage),
		   rxrpc_call_states[call->state],
		   call->abort_code,
		   call->user_call_ID);

	return 0;
}

static const struct seq_operations rxrpc_call_seq_ops = {
	.start  = rxrpc_call_seq_start,
	.next   = rxrpc_call_seq_next,
	.stop   = rxrpc_call_seq_stop,
	.show   = rxrpc_call_seq_show,
};

static int rxrpc_call_seq_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &rxrpc_call_seq_ops);
}

const struct file_operations rxrpc_call_seq_fops = {
	.owner		= THIS_MODULE,
	.open		= rxrpc_call_seq_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};

/*
 * generate a list of extant virtual connections in /proc/net/rxrpc_conns
 */
static void *rxrpc_connection_seq_start(struct seq_file *seq, loff_t *_pos)
{
	read_lock(&rxrpc_connection_lock);
	return seq_list_start_head(&rxrpc_connections, *_pos);
}

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

static void rxrpc_connection_seq_stop(struct seq_file *seq, void *v)
{
	read_unlock(&rxrpc_connection_lock);
}

static int rxrpc_connection_seq_show(struct seq_file *seq, void *v)
{
	struct rxrpc_connection *conn;
	struct rxrpc_transport *trans;
	char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];

	if (v == &rxrpc_connections) {
		seq_puts(seq,
			 "Proto Local                  Remote                "
			 " SvID ConnID   Calls    End Use State    Key     "
			 " Serial   ISerial\n"
			 );
		return 0;
	}

	conn = list_entry(v, struct rxrpc_connection, link);
	trans = conn->trans;

	sprintf(lbuff, "%pI4:%u",
		&trans->local->srx.transport.sin.sin_addr,
		ntohs(trans->local->srx.transport.sin.sin_port));

	sprintf(rbuff, "%pI4:%u",
		&trans->peer->srx.transport.sin.sin_addr,
		ntohs(trans->peer->srx.transport.sin.sin_port));

	seq_printf(seq,
		   "UDP   %-22.22s %-22.22s %4x %08x %08x %s %3u"
		   " %s %08x %08x %08x\n",
		   lbuff,
		   rbuff,
		   ntohs(conn->service_id),
		   ntohl(conn->cid),
		   conn->call_counter,
		   conn->in_clientflag ? "Svc" : "Clt",
		   atomic_read(&conn->usage),
		   rxrpc_conn_states[conn->state],
		   key_serial(conn->key),
		   atomic_read(&conn->serial),
		   atomic_read(&conn->hi_serial));

	return 0;
}

static const struct seq_operations rxrpc_connection_seq_ops = {
	.start  = rxrpc_connection_seq_start,
	.next   = rxrpc_connection_seq_next,
	.stop   = rxrpc_connection_seq_stop,
	.show   = rxrpc_connection_seq_show,
};


static int rxrpc_connection_seq_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &rxrpc_connection_seq_ops);
}

const struct file_operations rxrpc_connection_seq_fops = {
	.owner		= THIS_MODULE,
	.open		= rxrpc_connection_seq_open,
	.read		= seq_read,
	.llseek		= seq_lseek,
	.release	= seq_release,
};
Commit	Line	Data
17926a79 DH	1	/* /proc/net/ support for AF_RXRPC
	2	*
	3	* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
	4	* Written by David Howells (dhowells@redhat.com)
	5	*
	6	* This program is free software; you can redistribute it and/or
	7	* modify it under the terms of the GNU General Public License
	8	* as published by the Free Software Foundation; either version
	9	* 2 of the License, or (at your option) any later version.
	10	*/
	11
	12	#include <linux/module.h>
	13	#include <net/sock.h>
	14	#include <net/af_rxrpc.h>
	15	#include "ar-internal.h"
	16
036c2e27	17	static const char *const rxrpc_conn_states[] = {
17926a79 DH	18	[RXRPC_CONN_UNUSED] = "Unused ",
	19	[RXRPC_CONN_CLIENT] = "Client ",
	20	[RXRPC_CONN_SERVER_UNSECURED] = "SvUnsec ",
	21	[RXRPC_CONN_SERVER_CHALLENGING] = "SvChall ",
	22	[RXRPC_CONN_SERVER] = "SvSecure",
	23	[RXRPC_CONN_REMOTELY_ABORTED] = "RmtAbort",
	24	[RXRPC_CONN_LOCALLY_ABORTED] = "LocAbort",
	25	[RXRPC_CONN_NETWORK_ERROR] = "NetError",
	26	};
	27
17926a79 DH	28	/*
	29	* generate a list of extant and dead calls in /proc/net/rxrpc_calls
	30	*/
	31	static void rxrpc_call_seq_start(struct seq_file seq, loff_t *_pos)
	32	{
17926a79	33	read_lock(&rxrpc_call_lock);
60f0438a	34	return seq_list_start_head(&rxrpc_calls, *_pos);
17926a79 DH	35	}
	36
	37	static void rxrpc_call_seq_next(struct seq_file seq, void v, loff_t pos)
	38	{
60f0438a	39	return seq_list_next(v, &rxrpc_calls, pos);
17926a79 DH	40	}
	41
	42	static void rxrpc_call_seq_stop(struct seq_file seq, void v)
	43	{
	44	read_unlock(&rxrpc_call_lock);
	45	}
	46
	47	static int rxrpc_call_seq_show(struct seq_file seq, void v)
	48	{
	49	struct rxrpc_transport *trans;
	50	struct rxrpc_call *call;
	51	char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];
	52
60f0438a	53	if (v == &rxrpc_calls) {
17926a79 DH	54	seq_puts(seq,
	55	"Proto Local Remote "
	56	" SvID ConnID CallID End Use State Abort "
	57	" UserID\n");
	58	return 0;
	59	}
	60
	61	call = list_entry(v, struct rxrpc_call, link);
	62	trans = call->conn->trans;
	63
21454aaa HH	64	sprintf(lbuff, "%pI4:%u",
21454aaa HH	65	&trans->local->srx.transport.sin.sin_addr,
17926a79 DH	66	ntohs(trans->local->srx.transport.sin.sin_port));
17926a79 DH	67
21454aaa HH	68	sprintf(rbuff, "%pI4:%u",
21454aaa HH	69	&trans->peer->srx.transport.sin.sin_addr,
17926a79 DH	70	ntohs(trans->peer->srx.transport.sin.sin_port));
	71
	72	seq_printf(seq,
	73	"UDP %-22.22s %-22.22s %4x %08x %08x %s %3u"
	74	" %-8.8s %08x %lx\n",
	75	lbuff,
	76	rbuff,
	77	ntohs(call->conn->service_id),
	78	ntohl(call->conn->cid),
	79	ntohl(call->call_id),
	80	call->conn->in_clientflag ? "Svc" : "Clt",
	81	atomic_read(&call->usage),
	82	rxrpc_call_states[call->state],
	83	call->abort_code,
	84	call->user_call_ID);
	85
	86	return 0;
	87	}
	88
56b3d975	89	static const struct seq_operations rxrpc_call_seq_ops = {
17926a79 DH	90	.start = rxrpc_call_seq_start,
	91	.next = rxrpc_call_seq_next,
	92	.stop = rxrpc_call_seq_stop,
	93	.show = rxrpc_call_seq_show,
	94	};
	95
	96	static int rxrpc_call_seq_open(struct inode inode, struct file file)
	97	{
	98	return seq_open(file, &rxrpc_call_seq_ops);
	99	}
	100
036c2e27	101	const struct file_operations rxrpc_call_seq_fops = {
17926a79 DH	102	.owner = THIS_MODULE,
	103	.open = rxrpc_call_seq_open,
	104	.read = seq_read,
	105	.llseek = seq_lseek,
665bba10	106	.release = seq_release,
17926a79 DH	107	};
	108
	109	/*
	110	* generate a list of extant virtual connections in /proc/net/rxrpc_conns
	111	*/
	112	static void rxrpc_connection_seq_start(struct seq_file seq, loff_t *_pos)
	113	{
17926a79	114	read_lock(&rxrpc_connection_lock);
60f0438a	115	return seq_list_start_head(&rxrpc_connections, *_pos);
17926a79 DH	116	}
	117
	118	static void rxrpc_connection_seq_next(struct seq_file seq, void *v,
	119	loff_t *pos)
	120	{
60f0438a	121	return seq_list_next(v, &rxrpc_connections, pos);
17926a79 DH	122	}
	123
	124	static void rxrpc_connection_seq_stop(struct seq_file seq, void v)
	125	{
	126	read_unlock(&rxrpc_connection_lock);
	127	}
	128
	129	static int rxrpc_connection_seq_show(struct seq_file seq, void v)
	130	{
	131	struct rxrpc_connection *conn;
	132	struct rxrpc_transport *trans;
	133	char lbuff[4 + 4 + 4 + 4 + 5 + 1], rbuff[4 + 4 + 4 + 4 + 5 + 1];
	134
60f0438a	135	if (v == &rxrpc_connections) {
17926a79 DH	136	seq_puts(seq,
	137	"Proto Local Remote "
	138	" SvID ConnID Calls End Use State Key "
	139	" Serial ISerial\n"
	140	);
	141	return 0;
	142	}
	143
	144	conn = list_entry(v, struct rxrpc_connection, link);
	145	trans = conn->trans;
	146
21454aaa HH	147	sprintf(lbuff, "%pI4:%u",
21454aaa HH	148	&trans->local->srx.transport.sin.sin_addr,
17926a79 DH	149	ntohs(trans->local->srx.transport.sin.sin_port));
17926a79 DH	150
21454aaa HH	151	sprintf(rbuff, "%pI4:%u",
21454aaa HH	152	&trans->peer->srx.transport.sin.sin_addr,
17926a79 DH	153	ntohs(trans->peer->srx.transport.sin.sin_port));
	154
	155	seq_printf(seq,
	156	"UDP %-22.22s %-22.22s %4x %08x %08x %s %3u"
	157	" %s %08x %08x %08x\n",
	158	lbuff,
	159	rbuff,
	160	ntohs(conn->service_id),
	161	ntohl(conn->cid),
	162	conn->call_counter,
	163	conn->in_clientflag ? "Svc" : "Clt",
	164	atomic_read(&conn->usage),
	165	rxrpc_conn_states[conn->state],
	166	key_serial(conn->key),
	167	atomic_read(&conn->serial),
	168	atomic_read(&conn->hi_serial));
	169
	170	return 0;
	171	}
	172
56b3d975	173	static const struct seq_operations rxrpc_connection_seq_ops = {
17926a79 DH	174	.start = rxrpc_connection_seq_start,
	175	.next = rxrpc_connection_seq_next,
	176	.stop = rxrpc_connection_seq_stop,
	177	.show = rxrpc_connection_seq_show,
	178	};
	179
	180
	181	static int rxrpc_connection_seq_open(struct inode inode, struct file file)
	182	{
	183	return seq_open(file, &rxrpc_connection_seq_ops);
	184	}
	185
036c2e27	186	const struct file_operations rxrpc_connection_seq_fops = {
17926a79 DH	187	.owner = THIS_MODULE,
	188	.open = rxrpc_connection_seq_open,
	189	.read = seq_read,
	190	.llseek = seq_lseek,
665bba10	191	.release = seq_release,
17926a79	192	};