[linux-2.6-block.git] / net / sctp / proc.c

/* SCTP kernel implementation
 * Copyright (c) 2003 International Business Machines, Corp.
 *
 * This file is part of the SCTP kernel implementation
 *
 * This SCTP implementation 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, or (at your option)
 * any later version.
 *
 * This SCTP implementation is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
 *                 ************************
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU CC; see the file COPYING.  If not, write to
 * the Free Software Foundation, 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * Please send any bug reports or fixes you make to the
 * email address(es):
 *    lksctp developers <lksctp-developers@lists.sourceforge.net>
 *
 * Or submit a bug report through the following website:
 *    http://www.sf.net/projects/lksctp
 *
 * Written or modified by:
 *    Sridhar Samudrala <sri@us.ibm.com>
 *
 * Any bugs reported given to us we will try to fix... any fixes shared will
 * be incorporated into the next SCTP release.
 */

#include <linux/types.h>
#include <linux/seq_file.h>
#include <linux/init.h>
#include <net/sctp/sctp.h>
#include <net/ip.h> /* for snmp_fold_field */

static struct snmp_mib sctp_snmp_list[] = {
	SNMP_MIB_ITEM("SctpCurrEstab", SCTP_MIB_CURRESTAB),
	SNMP_MIB_ITEM("SctpActiveEstabs", SCTP_MIB_ACTIVEESTABS),
	SNMP_MIB_ITEM("SctpPassiveEstabs", SCTP_MIB_PASSIVEESTABS),
	SNMP_MIB_ITEM("SctpAborteds", SCTP_MIB_ABORTEDS),
	SNMP_MIB_ITEM("SctpShutdowns", SCTP_MIB_SHUTDOWNS),
	SNMP_MIB_ITEM("SctpOutOfBlues", SCTP_MIB_OUTOFBLUES),
	SNMP_MIB_ITEM("SctpChecksumErrors", SCTP_MIB_CHECKSUMERRORS),
	SNMP_MIB_ITEM("SctpOutCtrlChunks", SCTP_MIB_OUTCTRLCHUNKS),
	SNMP_MIB_ITEM("SctpOutOrderChunks", SCTP_MIB_OUTORDERCHUNKS),
	SNMP_MIB_ITEM("SctpOutUnorderChunks", SCTP_MIB_OUTUNORDERCHUNKS),
	SNMP_MIB_ITEM("SctpInCtrlChunks", SCTP_MIB_INCTRLCHUNKS),
	SNMP_MIB_ITEM("SctpInOrderChunks", SCTP_MIB_INORDERCHUNKS),
	SNMP_MIB_ITEM("SctpInUnorderChunks", SCTP_MIB_INUNORDERCHUNKS),
	SNMP_MIB_ITEM("SctpFragUsrMsgs", SCTP_MIB_FRAGUSRMSGS),
	SNMP_MIB_ITEM("SctpReasmUsrMsgs", SCTP_MIB_REASMUSRMSGS),
	SNMP_MIB_ITEM("SctpOutSCTPPacks", SCTP_MIB_OUTSCTPPACKS),
	SNMP_MIB_ITEM("SctpInSCTPPacks", SCTP_MIB_INSCTPPACKS),
	SNMP_MIB_ITEM("SctpT1InitExpireds", SCTP_MIB_T1_INIT_EXPIREDS),
	SNMP_MIB_ITEM("SctpT1CookieExpireds", SCTP_MIB_T1_COOKIE_EXPIREDS),
	SNMP_MIB_ITEM("SctpT2ShutdownExpireds", SCTP_MIB_T2_SHUTDOWN_EXPIREDS),
	SNMP_MIB_ITEM("SctpT3RtxExpireds", SCTP_MIB_T3_RTX_EXPIREDS),
	SNMP_MIB_ITEM("SctpT4RtoExpireds", SCTP_MIB_T4_RTO_EXPIREDS),
	SNMP_MIB_ITEM("SctpT5ShutdownGuardExpireds", SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS),
	SNMP_MIB_ITEM("SctpDelaySackExpireds", SCTP_MIB_DELAY_SACK_EXPIREDS),
	SNMP_MIB_ITEM("SctpAutocloseExpireds", SCTP_MIB_AUTOCLOSE_EXPIREDS),
	SNMP_MIB_ITEM("SctpT3Retransmits", SCTP_MIB_T3_RETRANSMITS),
	SNMP_MIB_ITEM("SctpPmtudRetransmits", SCTP_MIB_PMTUD_RETRANSMITS),
	SNMP_MIB_ITEM("SctpFastRetransmits", SCTP_MIB_FAST_RETRANSMITS),
	SNMP_MIB_ITEM("SctpInPktSoftirq", SCTP_MIB_IN_PKT_SOFTIRQ),
	SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG),
	SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS),
	SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS),
	SNMP_MIB_SENTINEL
};

/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
{
	int i;

	for (i = 0; sctp_snmp_list[i].name != NULL; i++)
		seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
			   snmp_fold_field((void **)sctp_statistics,
				      sctp_snmp_list[i].entry));

	return 0;
}

/* Initialize the seq file operations for 'snmp' object. */
static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
{
	return single_open(file, sctp_snmp_seq_show, NULL);
}

static const struct file_operations sctp_snmp_seq_fops = {
	.owner	 = THIS_MODULE,
	.open	 = sctp_snmp_seq_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = single_release,
};

/* Set up the proc fs entry for 'snmp' object. */
int __init sctp_snmp_proc_init(void)
{
	struct proc_dir_entry *p;

	p = create_proc_entry("snmp", S_IRUGO, proc_net_sctp);
	if (!p)
		return -ENOMEM;

	p->proc_fops = &sctp_snmp_seq_fops;

	return 0;
}

/* Cleanup the proc fs entry for 'snmp' object. */
void sctp_snmp_proc_exit(void)
{
	remove_proc_entry("snmp", proc_net_sctp);
}

/* Dump local addresses of an association/endpoint. */
static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_common *epb)
{
	struct list_head *pos;
	struct sctp_association *asoc;
	struct sctp_sockaddr_entry *laddr;
	struct sctp_transport *peer;
	union sctp_addr *addr, *primary = NULL;
	struct sctp_af *af;

	if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
	    asoc = sctp_assoc(epb);
	    peer = asoc->peer.primary_path;
	    primary = &peer->saddr;
	}

	list_for_each(pos, &epb->bind_addr.address_list) {
		laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
		addr = &laddr->a;
		af = sctp_get_af_specific(addr->sa.sa_family);
		if (primary && af->cmp_addr(addr, primary)) {
			seq_printf(seq, "*");
		}
		af->seq_dump_addr(seq, addr);
	}
}

/* Dump remote addresses of an association. */
static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_association *assoc)
{
	struct list_head *pos;
	struct sctp_transport *transport;
	union sctp_addr *addr, *primary;
	struct sctp_af *af;

	primary = &assoc->peer.primary_addr;
	list_for_each(pos, &assoc->peer.transport_addr_list) {
		transport = list_entry(pos, struct sctp_transport, transports);
		addr = &transport->ipaddr;
		af = sctp_get_af_specific(addr->sa.sa_family);
		if (af->cmp_addr(addr, primary)) {
			seq_printf(seq, "*");
		}
		af->seq_dump_addr(seq, addr);
	}
}

static void * sctp_eps_seq_start(struct seq_file *seq, loff_t *pos)
{
	if (*pos >= sctp_ep_hashsize)
		return NULL;

	if (*pos < 0)
		*pos = 0;

	if (*pos == 0)
		seq_printf(seq, " ENDPT     SOCK   STY SST HBKT LPORT   UID INODE LADDRS\n");

	return (void *)pos;
}

static void sctp_eps_seq_stop(struct seq_file *seq, void *v)
{
	return;
}


static void * sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	if (++*pos >= sctp_ep_hashsize)
		return NULL;

	return pos;
}


/* Display sctp endpoints (/proc/net/sctp/eps). */
static int sctp_eps_seq_show(struct seq_file *seq, void *v)
{
	struct sctp_hashbucket *head;
	struct sctp_ep_common *epb;
	struct sctp_endpoint *ep;
	struct sock *sk;
	struct hlist_node *node;
	int    hash = *(loff_t *)v;

	if (hash >= sctp_ep_hashsize)
		return -ENOMEM;

	head = &sctp_ep_hashtable[hash];
	sctp_local_bh_disable();
	read_lock(&head->lock);
	sctp_for_each_hentry(epb, node, &head->chain) {
		ep = sctp_ep(epb);
		sk = epb->sk;
		seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
			   sctp_sk(sk)->type, sk->sk_state, hash,
			   epb->bind_addr.port,
			   sock_i_uid(sk), sock_i_ino(sk));

		sctp_seq_dump_local_addrs(seq, epb);
		seq_printf(seq, "\n");
	}
	read_unlock(&head->lock);
	sctp_local_bh_enable();

	return 0;
}

static const struct seq_operations sctp_eps_ops = {
	.start = sctp_eps_seq_start,
	.next  = sctp_eps_seq_next,
	.stop  = sctp_eps_seq_stop,
	.show  = sctp_eps_seq_show,
};


/* Initialize the seq file operations for 'eps' object. */
static int sctp_eps_seq_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &sctp_eps_ops);
}

static const struct file_operations sctp_eps_seq_fops = {
	.open	 = sctp_eps_seq_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = seq_release,
};

/* Set up the proc fs entry for 'eps' object. */
int __init sctp_eps_proc_init(void)
{
	struct proc_dir_entry *p;

	p = create_proc_entry("eps", S_IRUGO, proc_net_sctp);
	if (!p)
		return -ENOMEM;

	p->proc_fops = &sctp_eps_seq_fops;

	return 0;
}

/* Cleanup the proc fs entry for 'eps' object. */
void sctp_eps_proc_exit(void)
{
	remove_proc_entry("eps", proc_net_sctp);
}


static void * sctp_assocs_seq_start(struct seq_file *seq, loff_t *pos)
{
	if (*pos >= sctp_assoc_hashsize)
		return NULL;

	if (*pos < 0)
		*pos = 0;

	if (*pos == 0)
		seq_printf(seq, " ASSOC     SOCK   STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT "
				"RPORT LADDRS <-> RADDRS\n");

	return (void *)pos;
}

static void sctp_assocs_seq_stop(struct seq_file *seq, void *v)
{
	return;
}


static void * sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
{
	if (++*pos >= sctp_assoc_hashsize)
		return NULL;

	return pos;
}

/* Display sctp associations (/proc/net/sctp/assocs). */
static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
{
	struct sctp_hashbucket *head;
	struct sctp_ep_common *epb;
	struct sctp_association *assoc;
	struct sock *sk;
	struct hlist_node *node;
	int    hash = *(loff_t *)v;

	if (hash >= sctp_assoc_hashsize)
		return -ENOMEM;

	head = &sctp_assoc_hashtable[hash];
	sctp_local_bh_disable();
	read_lock(&head->lock);
	sctp_for_each_hentry(epb, node, &head->chain) {
		assoc = sctp_assoc(epb);
		sk = epb->sk;
		seq_printf(seq,
			   "%8p %8p %-3d %-3d %-2d %-4d %4d %8d %8d %7d %5lu %-5d %5d ",
			   assoc, sk, sctp_sk(sk)->type, sk->sk_state,
			   assoc->state, hash, assoc->assoc_id,
			   assoc->sndbuf_used,
			   atomic_read(&assoc->rmem_alloc),
			   sock_i_uid(sk), sock_i_ino(sk),
			   epb->bind_addr.port,
			   assoc->peer.port);

		seq_printf(seq, " ");
		sctp_seq_dump_local_addrs(seq, epb);
		seq_printf(seq, "<-> ");
		sctp_seq_dump_remote_addrs(seq, assoc);
		seq_printf(seq, "\n");
	}
	read_unlock(&head->lock);
	sctp_local_bh_enable();

	return 0;
}

static const struct seq_operations sctp_assoc_ops = {
	.start = sctp_assocs_seq_start,
	.next  = sctp_assocs_seq_next,
	.stop  = sctp_assocs_seq_stop,
	.show  = sctp_assocs_seq_show,
};

/* Initialize the seq file operations for 'assocs' object. */
static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
{
	return seq_open(file, &sctp_assoc_ops);
}

static const struct file_operations sctp_assocs_seq_fops = {
	.open	 = sctp_assocs_seq_open,
	.read	 = seq_read,
	.llseek	 = seq_lseek,
	.release = seq_release,
};

/* Set up the proc fs entry for 'assocs' object. */
int __init sctp_assocs_proc_init(void)
{
	struct proc_dir_entry *p;

	p = create_proc_entry("assocs", S_IRUGO, proc_net_sctp);
	if (!p)
		return -ENOMEM;

	p->proc_fops = &sctp_assocs_seq_fops;

	return 0;
}

/* Cleanup the proc fs entry for 'assocs' object. */
void sctp_assocs_proc_exit(void)
{
	remove_proc_entry("assocs", proc_net_sctp);
}
Commit	Line	Data
60c778b2	1	/* SCTP kernel implementation
1da177e4 LT	2	* Copyright (c) 2003 International Business Machines, Corp.
1da177e4 LT	3	*
60c778b2	4	* This file is part of the SCTP kernel implementation
1da177e4	5	*
60c778b2	6	* This SCTP implementation is free software;
1da177e4 LT	7	* you can redistribute it and/or modify it under the terms of
	8	* the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2, or (at your option)
	10	* any later version.
	11	*
60c778b2	12	* This SCTP implementation is distributed in the hope that it
1da177e4 LT	13	* will be useful, but WITHOUT ANY WARRANTY; without even the implied
	14	* ************************
	15	* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
	16	* See the GNU General Public License for more details.
	17	*
	18	* You should have received a copy of the GNU General Public License
	19	* along with GNU CC; see the file COPYING. If not, write to
	20	* the Free Software Foundation, 59 Temple Place - Suite 330,
	21	* Boston, MA 02111-1307, USA.
	22	*
	23	* Please send any bug reports or fixes you make to the
	24	* email address(es):
	25	* lksctp developers <lksctp-developers@lists.sourceforge.net>
	26	*
	27	* Or submit a bug report through the following website:
	28	* http://www.sf.net/projects/lksctp
	29	*
	30	* Written or modified by:
	31	* Sridhar Samudrala <sri@us.ibm.com>
	32	*
	33	* Any bugs reported given to us we will try to fix... any fixes shared will
	34	* be incorporated into the next SCTP release.
	35	*/
	36
	37	#include <linux/types.h>
	38	#include <linux/seq_file.h>
	39	#include <linux/init.h>
	40	#include <net/sctp/sctp.h>
3f5340a6	41	#include <net/ip.h> /* for snmp_fold_field */
1da177e4 LT	42
	43	static struct snmp_mib sctp_snmp_list[] = {
	44	SNMP_MIB_ITEM("SctpCurrEstab", SCTP_MIB_CURRESTAB),
	45	SNMP_MIB_ITEM("SctpActiveEstabs", SCTP_MIB_ACTIVEESTABS),
	46	SNMP_MIB_ITEM("SctpPassiveEstabs", SCTP_MIB_PASSIVEESTABS),
	47	SNMP_MIB_ITEM("SctpAborteds", SCTP_MIB_ABORTEDS),
	48	SNMP_MIB_ITEM("SctpShutdowns", SCTP_MIB_SHUTDOWNS),
	49	SNMP_MIB_ITEM("SctpOutOfBlues", SCTP_MIB_OUTOFBLUES),
	50	SNMP_MIB_ITEM("SctpChecksumErrors", SCTP_MIB_CHECKSUMERRORS),
	51	SNMP_MIB_ITEM("SctpOutCtrlChunks", SCTP_MIB_OUTCTRLCHUNKS),
	52	SNMP_MIB_ITEM("SctpOutOrderChunks", SCTP_MIB_OUTORDERCHUNKS),
	53	SNMP_MIB_ITEM("SctpOutUnorderChunks", SCTP_MIB_OUTUNORDERCHUNKS),
	54	SNMP_MIB_ITEM("SctpInCtrlChunks", SCTP_MIB_INCTRLCHUNKS),
	55	SNMP_MIB_ITEM("SctpInOrderChunks", SCTP_MIB_INORDERCHUNKS),
	56	SNMP_MIB_ITEM("SctpInUnorderChunks", SCTP_MIB_INUNORDERCHUNKS),
	57	SNMP_MIB_ITEM("SctpFragUsrMsgs", SCTP_MIB_FRAGUSRMSGS),
	58	SNMP_MIB_ITEM("SctpReasmUsrMsgs", SCTP_MIB_REASMUSRMSGS),
	59	SNMP_MIB_ITEM("SctpOutSCTPPacks", SCTP_MIB_OUTSCTPPACKS),
	60	SNMP_MIB_ITEM("SctpInSCTPPacks", SCTP_MIB_INSCTPPACKS),
ac0b0462 SS	61	SNMP_MIB_ITEM("SctpT1InitExpireds", SCTP_MIB_T1_INIT_EXPIREDS),
	62	SNMP_MIB_ITEM("SctpT1CookieExpireds", SCTP_MIB_T1_COOKIE_EXPIREDS),
	63	SNMP_MIB_ITEM("SctpT2ShutdownExpireds", SCTP_MIB_T2_SHUTDOWN_EXPIREDS),
	64	SNMP_MIB_ITEM("SctpT3RtxExpireds", SCTP_MIB_T3_RTX_EXPIREDS),
	65	SNMP_MIB_ITEM("SctpT4RtoExpireds", SCTP_MIB_T4_RTO_EXPIREDS),
	66	SNMP_MIB_ITEM("SctpT5ShutdownGuardExpireds", SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS),
	67	SNMP_MIB_ITEM("SctpDelaySackExpireds", SCTP_MIB_DELAY_SACK_EXPIREDS),
	68	SNMP_MIB_ITEM("SctpAutocloseExpireds", SCTP_MIB_AUTOCLOSE_EXPIREDS),
	69	SNMP_MIB_ITEM("SctpT3Retransmits", SCTP_MIB_T3_RETRANSMITS),
	70	SNMP_MIB_ITEM("SctpPmtudRetransmits", SCTP_MIB_PMTUD_RETRANSMITS),
	71	SNMP_MIB_ITEM("SctpFastRetransmits", SCTP_MIB_FAST_RETRANSMITS),
	72	SNMP_MIB_ITEM("SctpInPktSoftirq", SCTP_MIB_IN_PKT_SOFTIRQ),
	73	SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG),
	74	SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS),
	75	SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS),
d2287f84	76	SNMP_MIB_SENTINEL
1da177e4 LT	77	};
1da177e4 LT	78
1da177e4 LT	79	/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
	80	static int sctp_snmp_seq_show(struct seq_file seq, void v)
	81	{
	82	int i;
	83
	84	for (i = 0; sctp_snmp_list[i].name != NULL; i++)
	85	seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
3f5340a6	86	snmp_fold_field((void **)sctp_statistics,
1da177e4 LT	87	sctp_snmp_list[i].entry));
	88
	89	return 0;
	90	}
	91
	92	/* Initialize the seq file operations for 'snmp' object. */
	93	static int sctp_snmp_seq_open(struct inode inode, struct file file)
	94	{
	95	return single_open(file, sctp_snmp_seq_show, NULL);
	96	}
	97
da7071d7	98	static const struct file_operations sctp_snmp_seq_fops = {
1da177e4 LT	99	.owner = THIS_MODULE,
	100	.open = sctp_snmp_seq_open,
	101	.read = seq_read,
	102	.llseek = seq_lseek,
	103	.release = single_release,
	104	};
	105
	106	/* Set up the proc fs entry for 'snmp' object. */
	107	int __init sctp_snmp_proc_init(void)
	108	{
	109	struct proc_dir_entry *p;
	110
	111	p = create_proc_entry("snmp", S_IRUGO, proc_net_sctp);
	112	if (!p)
	113	return -ENOMEM;
	114
	115	p->proc_fops = &sctp_snmp_seq_fops;
	116
	117	return 0;
	118	}
	119
	120	/* Cleanup the proc fs entry for 'snmp' object. */
	121	void sctp_snmp_proc_exit(void)
	122	{
	123	remove_proc_entry("snmp", proc_net_sctp);
	124	}
	125
	126	/* Dump local addresses of an association/endpoint. */
	127	static void sctp_seq_dump_local_addrs(struct seq_file seq, struct sctp_ep_common epb)
	128	{
	129	struct list_head *pos;
bca735bd	130	struct sctp_association *asoc;
1da177e4	131	struct sctp_sockaddr_entry *laddr;
bca735bd VY	132	struct sctp_transport *peer;
bca735bd VY	133	union sctp_addr addr, primary = NULL;
1da177e4 LT	134	struct sctp_af *af;
1da177e4 LT	135
bca735bd VY	136	if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
	137	asoc = sctp_assoc(epb);
	138	peer = asoc->peer.primary_path;
5f242a13	139	primary = &peer->saddr;
bca735bd VY	140	}
bca735bd VY	141
1da177e4 LT	142	list_for_each(pos, &epb->bind_addr.address_list) {
1da177e4 LT	143	laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
5f242a13	144	addr = &laddr->a;
1da177e4	145	af = sctp_get_af_specific(addr->sa.sa_family);
bca735bd VY	146	if (primary && af->cmp_addr(addr, primary)) {
	147	seq_printf(seq, "*");
	148	}
5f242a13	149	af->seq_dump_addr(seq, addr);
1da177e4 LT	150	}
	151	}
	152
	153	/* Dump remote addresses of an association. */
	154	static void sctp_seq_dump_remote_addrs(struct seq_file seq, struct sctp_association assoc)
	155	{
	156	struct list_head *pos;
	157	struct sctp_transport *transport;
bca735bd	158	union sctp_addr addr, primary;
1da177e4 LT	159	struct sctp_af *af;
1da177e4 LT	160
acd2bc96	161	primary = &assoc->peer.primary_addr;
1da177e4 LT	162	list_for_each(pos, &assoc->peer.transport_addr_list) {
1da177e4 LT	163	transport = list_entry(pos, struct sctp_transport, transports);
5f242a13	164	addr = &transport->ipaddr;
1da177e4	165	af = sctp_get_af_specific(addr->sa.sa_family);
acd2bc96	166	if (af->cmp_addr(addr, primary)) {
bca735bd VY	167	seq_printf(seq, "*");
bca735bd VY	168	}
5f242a13	169	af->seq_dump_addr(seq, addr);
1da177e4 LT	170	}
	171	}
	172
bca735bd VY	173	static void * sctp_eps_seq_start(struct seq_file seq, loff_t pos)
bca735bd VY	174	{
49392e5e	175	if (*pos >= sctp_ep_hashsize)
bca735bd VY	176	return NULL;
	177
	178	if (*pos < 0)
	179	*pos = 0;
	180
	181	if (*pos == 0)
	182	seq_printf(seq, " ENDPT SOCK STY SST HBKT LPORT UID INODE LADDRS\n");
	183
bca735bd VY	184	return (void *)pos;
	185	}
	186
	187	static void sctp_eps_seq_stop(struct seq_file seq, void v)
	188	{
	189	return;
	190	}
	191
	192
	193	static void * sctp_eps_seq_next(struct seq_file seq, void v, loff_t *pos)
	194	{
49392e5e	195	if (++*pos >= sctp_ep_hashsize)
bca735bd VY	196	return NULL;
bca735bd VY	197
bca735bd VY	198	return pos;
	199	}
	200
	201
1da177e4 LT	202	/* Display sctp endpoints (/proc/net/sctp/eps). */
	203	static int sctp_eps_seq_show(struct seq_file seq, void v)
	204	{
	205	struct sctp_hashbucket *head;
	206	struct sctp_ep_common *epb;
	207	struct sctp_endpoint *ep;
	208	struct sock *sk;
d970dbf8	209	struct hlist_node *node;
38b0e42a	210	int hash = (loff_t )v;
bca735bd	211
49392e5e	212	if (hash >= sctp_ep_hashsize)
bca735bd VY	213	return -ENOMEM;
bca735bd VY	214
49392e5e	215	head = &sctp_ep_hashtable[hash];
bca735bd VY	216	sctp_local_bh_disable();
bca735bd VY	217	read_lock(&head->lock);
d970dbf8	218	sctp_for_each_hentry(epb, node, &head->chain) {
bca735bd VY	219	ep = sctp_ep(epb);
	220	sk = epb->sk;
	221	seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
49392e5e	222	sctp_sk(sk)->type, sk->sk_state, hash,
bca735bd VY	223	epb->bind_addr.port,
	224	sock_i_uid(sk), sock_i_ino(sk));
	225
	226	sctp_seq_dump_local_addrs(seq, epb);
	227	seq_printf(seq, "\n");
1da177e4	228	}
bca735bd VY	229	read_unlock(&head->lock);
bca735bd VY	230	sctp_local_bh_enable();
1da177e4 LT	231
	232	return 0;
	233	}
	234
56b3d975	235	static const struct seq_operations sctp_eps_ops = {
bca735bd VY	236	.start = sctp_eps_seq_start,
	237	.next = sctp_eps_seq_next,
	238	.stop = sctp_eps_seq_stop,
	239	.show = sctp_eps_seq_show,
	240	};
	241
	242
1da177e4 LT	243	/* Initialize the seq file operations for 'eps' object. */
	244	static int sctp_eps_seq_open(struct inode inode, struct file file)
	245	{
bca735bd	246	return seq_open(file, &sctp_eps_ops);
1da177e4 LT	247	}
1da177e4 LT	248
da7071d7	249	static const struct file_operations sctp_eps_seq_fops = {
1da177e4 LT	250	.open = sctp_eps_seq_open,
	251	.read = seq_read,
	252	.llseek = seq_lseek,
bca735bd	253	.release = seq_release,
1da177e4 LT	254	};
	255
	256	/* Set up the proc fs entry for 'eps' object. */
	257	int __init sctp_eps_proc_init(void)
	258	{
	259	struct proc_dir_entry *p;
	260
	261	p = create_proc_entry("eps", S_IRUGO, proc_net_sctp);
	262	if (!p)
	263	return -ENOMEM;
	264
	265	p->proc_fops = &sctp_eps_seq_fops;
	266
	267	return 0;
	268	}
	269
	270	/* Cleanup the proc fs entry for 'eps' object. */
	271	void sctp_eps_proc_exit(void)
	272	{
	273	remove_proc_entry("eps", proc_net_sctp);
	274	}
	275
bca735bd VY	276
	277	static void * sctp_assocs_seq_start(struct seq_file seq, loff_t pos)
	278	{
49392e5e	279	if (*pos >= sctp_assoc_hashsize)
bca735bd VY	280	return NULL;
	281
	282	if (*pos < 0)
	283	*pos = 0;
	284
	285	if (*pos == 0)
	286	seq_printf(seq, " ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT "
	287	"RPORT LADDRS <-> RADDRS\n");
	288
bca735bd VY	289	return (void *)pos;
	290	}
	291
	292	static void sctp_assocs_seq_stop(struct seq_file seq, void v)
	293	{
	294	return;
	295	}
	296
	297
	298	static void * sctp_assocs_seq_next(struct seq_file seq, void v, loff_t *pos)
	299	{
49392e5e	300	if (++*pos >= sctp_assoc_hashsize)
bca735bd VY	301	return NULL;
bca735bd VY	302
bca735bd VY	303	return pos;
	304	}
	305
1da177e4 LT	306	/* Display sctp associations (/proc/net/sctp/assocs). */
	307	static int sctp_assocs_seq_show(struct seq_file seq, void v)
	308	{
	309	struct sctp_hashbucket *head;
	310	struct sctp_ep_common *epb;
	311	struct sctp_association *assoc;
	312	struct sock *sk;
d970dbf8	313	struct hlist_node *node;
38b0e42a	314	int hash = (loff_t )v;
bca735bd	315
49392e5e	316	if (hash >= sctp_assoc_hashsize)
bca735bd VY	317	return -ENOMEM;
bca735bd VY	318
49392e5e	319	head = &sctp_assoc_hashtable[hash];
bca735bd VY	320	sctp_local_bh_disable();
bca735bd VY	321	read_lock(&head->lock);
d970dbf8	322	sctp_for_each_hentry(epb, node, &head->chain) {
bca735bd VY	323	assoc = sctp_assoc(epb);
	324	sk = epb->sk;
	325	seq_printf(seq,
	326	"%8p %8p %-3d %-3d %-2d %-4d %4d %8d %8d %7d %5lu %-5d %5d ",
	327	assoc, sk, sctp_sk(sk)->type, sk->sk_state,
49392e5e	328	assoc->state, hash, assoc->assoc_id,
bca735bd	329	assoc->sndbuf_used,
6aa2551c	330	atomic_read(&assoc->rmem_alloc),
bca735bd VY	331	sock_i_uid(sk), sock_i_ino(sk),
	332	epb->bind_addr.port,
	333	assoc->peer.port);
	334
	335	seq_printf(seq, " ");
	336	sctp_seq_dump_local_addrs(seq, epb);
	337	seq_printf(seq, "<-> ");
	338	sctp_seq_dump_remote_addrs(seq, assoc);
	339	seq_printf(seq, "\n");
1da177e4	340	}
bca735bd VY	341	read_unlock(&head->lock);
bca735bd VY	342	sctp_local_bh_enable();
1da177e4 LT	343
	344	return 0;
	345	}
	346
56b3d975	347	static const struct seq_operations sctp_assoc_ops = {
bca735bd VY	348	.start = sctp_assocs_seq_start,
	349	.next = sctp_assocs_seq_next,
	350	.stop = sctp_assocs_seq_stop,
	351	.show = sctp_assocs_seq_show,
	352	};
	353
1da177e4 LT	354	/* Initialize the seq file operations for 'assocs' object. */
	355	static int sctp_assocs_seq_open(struct inode inode, struct file file)
	356	{
bca735bd	357	return seq_open(file, &sctp_assoc_ops);
1da177e4 LT	358	}
1da177e4 LT	359
da7071d7	360	static const struct file_operations sctp_assocs_seq_fops = {
1da177e4 LT	361	.open = sctp_assocs_seq_open,
	362	.read = seq_read,
	363	.llseek = seq_lseek,
bca735bd	364	.release = seq_release,
1da177e4 LT	365	};
	366
	367	/* Set up the proc fs entry for 'assocs' object. */
	368	int __init sctp_assocs_proc_init(void)
	369	{
	370	struct proc_dir_entry *p;
	371
	372	p = create_proc_entry("assocs", S_IRUGO, proc_net_sctp);
	373	if (!p)
	374	return -ENOMEM;
	375
	376	p->proc_fops = &sctp_assocs_seq_fops;
	377
	378	return 0;
	379	}
	380
	381	/* Cleanup the proc fs entry for 'assocs' object. */
	382	void sctp_assocs_proc_exit(void)
	383	{
	384	remove_proc_entry("assocs", proc_net_sctp);
	385	}