[GitHub/mt8127/android_kernel_alcatel_ttab.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 = proc_create("snmp", S_IRUGO, proc_net_sctp, &sctp_snmp_seq_fops);
	if (!p)
		return -ENOMEM;

	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 = proc_create("eps", S_IRUGO, proc_net_sctp, &sctp_eps_seq_fops);
	if (!p)
		return -ENOMEM;

	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 = proc_create("assocs", S_IRUGO, proc_net_sctp,
			&sctp_assocs_seq_fops);
	if (!p)
		return -ENOMEM;

	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
160f17e3	111	p = proc_create("snmp", S_IRUGO, proc_net_sctp, &sctp_snmp_seq_fops);
1da177e4 LT	112	if (!p)
	113	return -ENOMEM;
	114
1da177e4 LT	115	return 0;
	116	}
	117
	118	/* Cleanup the proc fs entry for 'snmp' object. */
	119	void sctp_snmp_proc_exit(void)
	120	{
	121	remove_proc_entry("snmp", proc_net_sctp);
	122	}
	123
	124	/* Dump local addresses of an association/endpoint. */
	125	static void sctp_seq_dump_local_addrs(struct seq_file seq, struct sctp_ep_common epb)
	126	{
	127	struct list_head *pos;
bca735bd	128	struct sctp_association *asoc;
1da177e4	129	struct sctp_sockaddr_entry *laddr;
bca735bd VY	130	struct sctp_transport *peer;
bca735bd VY	131	union sctp_addr addr, primary = NULL;
1da177e4 LT	132	struct sctp_af *af;
1da177e4 LT	133
bca735bd VY	134	if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
	135	asoc = sctp_assoc(epb);
	136	peer = asoc->peer.primary_path;
5f242a13	137	primary = &peer->saddr;
bca735bd VY	138	}
bca735bd VY	139
1da177e4 LT	140	list_for_each(pos, &epb->bind_addr.address_list) {
1da177e4 LT	141	laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
5f242a13	142	addr = &laddr->a;
1da177e4	143	af = sctp_get_af_specific(addr->sa.sa_family);
bca735bd VY	144	if (primary && af->cmp_addr(addr, primary)) {
	145	seq_printf(seq, "*");
	146	}
5f242a13	147	af->seq_dump_addr(seq, addr);
1da177e4 LT	148	}
	149	}
	150
	151	/* Dump remote addresses of an association. */
	152	static void sctp_seq_dump_remote_addrs(struct seq_file seq, struct sctp_association assoc)
	153	{
	154	struct list_head *pos;
	155	struct sctp_transport *transport;
bca735bd	156	union sctp_addr addr, primary;
1da177e4 LT	157	struct sctp_af *af;
1da177e4 LT	158
acd2bc96	159	primary = &assoc->peer.primary_addr;
1da177e4 LT	160	list_for_each(pos, &assoc->peer.transport_addr_list) {
1da177e4 LT	161	transport = list_entry(pos, struct sctp_transport, transports);
5f242a13	162	addr = &transport->ipaddr;
1da177e4	163	af = sctp_get_af_specific(addr->sa.sa_family);
acd2bc96	164	if (af->cmp_addr(addr, primary)) {
bca735bd VY	165	seq_printf(seq, "*");
bca735bd VY	166	}
5f242a13	167	af->seq_dump_addr(seq, addr);
1da177e4 LT	168	}
	169	}
	170
bca735bd VY	171	static void * sctp_eps_seq_start(struct seq_file seq, loff_t pos)
bca735bd VY	172	{
49392e5e	173	if (*pos >= sctp_ep_hashsize)
bca735bd VY	174	return NULL;
	175
	176	if (*pos < 0)
	177	*pos = 0;
	178
	179	if (*pos == 0)
	180	seq_printf(seq, " ENDPT SOCK STY SST HBKT LPORT UID INODE LADDRS\n");
	181
bca735bd VY	182	return (void *)pos;
	183	}
	184
	185	static void sctp_eps_seq_stop(struct seq_file seq, void v)
	186	{
	187	return;
	188	}
	189
	190
	191	static void * sctp_eps_seq_next(struct seq_file seq, void v, loff_t *pos)
	192	{
49392e5e	193	if (++*pos >= sctp_ep_hashsize)
bca735bd VY	194	return NULL;
bca735bd VY	195
bca735bd VY	196	return pos;
	197	}
	198
	199
1da177e4 LT	200	/* Display sctp endpoints (/proc/net/sctp/eps). */
	201	static int sctp_eps_seq_show(struct seq_file seq, void v)
	202	{
	203	struct sctp_hashbucket *head;
	204	struct sctp_ep_common *epb;
	205	struct sctp_endpoint *ep;
	206	struct sock *sk;
d970dbf8	207	struct hlist_node *node;
38b0e42a	208	int hash = (loff_t )v;
bca735bd	209
49392e5e	210	if (hash >= sctp_ep_hashsize)
bca735bd VY	211	return -ENOMEM;
bca735bd VY	212
49392e5e	213	head = &sctp_ep_hashtable[hash];
bca735bd VY	214	sctp_local_bh_disable();
bca735bd VY	215	read_lock(&head->lock);
d970dbf8	216	sctp_for_each_hentry(epb, node, &head->chain) {
bca735bd VY	217	ep = sctp_ep(epb);
	218	sk = epb->sk;
	219	seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
49392e5e	220	sctp_sk(sk)->type, sk->sk_state, hash,
bca735bd VY	221	epb->bind_addr.port,
	222	sock_i_uid(sk), sock_i_ino(sk));
	223
	224	sctp_seq_dump_local_addrs(seq, epb);
	225	seq_printf(seq, "\n");
1da177e4	226	}
bca735bd VY	227	read_unlock(&head->lock);
bca735bd VY	228	sctp_local_bh_enable();
1da177e4 LT	229
	230	return 0;
	231	}
	232
56b3d975	233	static const struct seq_operations sctp_eps_ops = {
bca735bd VY	234	.start = sctp_eps_seq_start,
	235	.next = sctp_eps_seq_next,
	236	.stop = sctp_eps_seq_stop,
	237	.show = sctp_eps_seq_show,
	238	};
	239
	240
1da177e4 LT	241	/* Initialize the seq file operations for 'eps' object. */
	242	static int sctp_eps_seq_open(struct inode inode, struct file file)
	243	{
bca735bd	244	return seq_open(file, &sctp_eps_ops);
1da177e4 LT	245	}
1da177e4 LT	246
da7071d7	247	static const struct file_operations sctp_eps_seq_fops = {
1da177e4 LT	248	.open = sctp_eps_seq_open,
	249	.read = seq_read,
	250	.llseek = seq_lseek,
bca735bd	251	.release = seq_release,
1da177e4 LT	252	};
	253
	254	/* Set up the proc fs entry for 'eps' object. */
	255	int __init sctp_eps_proc_init(void)
	256	{
	257	struct proc_dir_entry *p;
	258
459eea74	259	p = proc_create("eps", S_IRUGO, proc_net_sctp, &sctp_eps_seq_fops);
1da177e4 LT	260	if (!p)
	261	return -ENOMEM;
	262
1da177e4 LT	263	return 0;
	264	}
	265
	266	/* Cleanup the proc fs entry for 'eps' object. */
	267	void sctp_eps_proc_exit(void)
	268	{
	269	remove_proc_entry("eps", proc_net_sctp);
	270	}
	271
bca735bd VY	272
	273	static void * sctp_assocs_seq_start(struct seq_file seq, loff_t pos)
	274	{
49392e5e	275	if (*pos >= sctp_assoc_hashsize)
bca735bd VY	276	return NULL;
	277
	278	if (*pos < 0)
	279	*pos = 0;
	280
	281	if (*pos == 0)
	282	seq_printf(seq, " ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT "
	283	"RPORT LADDRS <-> RADDRS\n");
	284
bca735bd VY	285	return (void *)pos;
	286	}
	287
	288	static void sctp_assocs_seq_stop(struct seq_file seq, void v)
	289	{
	290	return;
	291	}
	292
	293
	294	static void * sctp_assocs_seq_next(struct seq_file seq, void v, loff_t *pos)
	295	{
49392e5e	296	if (++*pos >= sctp_assoc_hashsize)
bca735bd VY	297	return NULL;
bca735bd VY	298
bca735bd VY	299	return pos;
	300	}
	301
1da177e4 LT	302	/* Display sctp associations (/proc/net/sctp/assocs). */
	303	static int sctp_assocs_seq_show(struct seq_file seq, void v)
	304	{
	305	struct sctp_hashbucket *head;
	306	struct sctp_ep_common *epb;
	307	struct sctp_association *assoc;
	308	struct sock *sk;
d970dbf8	309	struct hlist_node *node;
38b0e42a	310	int hash = (loff_t )v;
bca735bd	311
49392e5e	312	if (hash >= sctp_assoc_hashsize)
bca735bd VY	313	return -ENOMEM;
bca735bd VY	314
49392e5e	315	head = &sctp_assoc_hashtable[hash];
bca735bd VY	316	sctp_local_bh_disable();
bca735bd VY	317	read_lock(&head->lock);
d970dbf8	318	sctp_for_each_hentry(epb, node, &head->chain) {
bca735bd VY	319	assoc = sctp_assoc(epb);
	320	sk = epb->sk;
	321	seq_printf(seq,
	322	"%8p %8p %-3d %-3d %-2d %-4d %4d %8d %8d %7d %5lu %-5d %5d ",
	323	assoc, sk, sctp_sk(sk)->type, sk->sk_state,
49392e5e	324	assoc->state, hash, assoc->assoc_id,
bca735bd	325	assoc->sndbuf_used,
6aa2551c	326	atomic_read(&assoc->rmem_alloc),
bca735bd VY	327	sock_i_uid(sk), sock_i_ino(sk),
	328	epb->bind_addr.port,
	329	assoc->peer.port);
	330
	331	seq_printf(seq, " ");
	332	sctp_seq_dump_local_addrs(seq, epb);
	333	seq_printf(seq, "<-> ");
	334	sctp_seq_dump_remote_addrs(seq, assoc);
	335	seq_printf(seq, "\n");
1da177e4	336	}
bca735bd VY	337	read_unlock(&head->lock);
bca735bd VY	338	sctp_local_bh_enable();
1da177e4 LT	339
	340	return 0;
	341	}
	342
56b3d975	343	static const struct seq_operations sctp_assoc_ops = {
bca735bd VY	344	.start = sctp_assocs_seq_start,
	345	.next = sctp_assocs_seq_next,
	346	.stop = sctp_assocs_seq_stop,
	347	.show = sctp_assocs_seq_show,
	348	};
	349
1da177e4 LT	350	/* Initialize the seq file operations for 'assocs' object. */
	351	static int sctp_assocs_seq_open(struct inode inode, struct file file)
	352	{
bca735bd	353	return seq_open(file, &sctp_assoc_ops);
1da177e4 LT	354	}
1da177e4 LT	355
da7071d7	356	static const struct file_operations sctp_assocs_seq_fops = {
1da177e4 LT	357	.open = sctp_assocs_seq_open,
	358	.read = seq_read,
	359	.llseek = seq_lseek,
bca735bd	360	.release = seq_release,
1da177e4 LT	361	};
	362
	363	/* Set up the proc fs entry for 'assocs' object. */
	364	int __init sctp_assocs_proc_init(void)
	365	{
	366	struct proc_dir_entry *p;
	367
459eea74 PE	368	p = proc_create("assocs", S_IRUGO, proc_net_sctp,
459eea74 PE	369	&sctp_assocs_seq_fops);
1da177e4 LT	370	if (!p)
	371	return -ENOMEM;
	372
1da177e4 LT	373	return 0;
	374	}
	375
	376	/* Cleanup the proc fs entry for 'assocs' object. */
	377	void sctp_assocs_proc_exit(void)
	378	{
	379	remove_proc_entry("assocs", proc_net_sctp);
	380	}