/* SCTP kernel reference Implementation
|
/* SCTP kernel reference Implementation
|
* Copyright (c) 2003 International Business Machines, Corp.
|
* Copyright (c) 2003 International Business Machines, Corp.
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*
|
*
|
* This file is part of the SCTP kernel reference Implementation
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* This file is part of the SCTP kernel reference Implementation
|
*
|
*
|
* The SCTP reference implementation is free software;
|
* The SCTP reference implementation is free software;
|
* you can redistribute it and/or modify it under the terms of
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* you can redistribute it and/or modify it under the terms of
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* the GNU General Public License as published by
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* the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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* any later version.
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*
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*
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* The SCTP reference implementation is distributed in the hope that it
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* The SCTP reference implementation is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* ************************
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* ************************
|
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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* See the GNU General Public License for more details.
|
*
|
*
|
* You should have received a copy of the GNU General Public License
|
* You should have received a copy of the GNU General Public License
|
* along with GNU CC; see the file COPYING. If not, write to
|
* along with GNU CC; see the file COPYING. If not, write to
|
* the Free Software Foundation, 59 Temple Place - Suite 330,
|
* the Free Software Foundation, 59 Temple Place - Suite 330,
|
* Boston, MA 02111-1307, USA.
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* Boston, MA 02111-1307, USA.
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*
|
*
|
* Please send any bug reports or fixes you make to the
|
* Please send any bug reports or fixes you make to the
|
* email address(es):
|
* email address(es):
|
* lksctp developers <lksctp-developers@lists.sourceforge.net>
|
* lksctp developers <lksctp-developers@lists.sourceforge.net>
|
*
|
*
|
* Or submit a bug report through the following website:
|
* Or submit a bug report through the following website:
|
* http://www.sf.net/projects/lksctp
|
* http://www.sf.net/projects/lksctp
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*
|
*
|
* Written or modified by:
|
* Written or modified by:
|
* Sridhar Samudrala <sri@us.ibm.com>
|
* Sridhar Samudrala <sri@us.ibm.com>
|
*
|
*
|
* Any bugs reported given to us we will try to fix... any fixes shared will
|
* Any bugs reported given to us we will try to fix... any fixes shared will
|
* be incorporated into the next SCTP release.
|
* be incorporated into the next SCTP release.
|
*/
|
*/
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|
|
#include <linux/types.h>
|
#include <linux/types.h>
|
#include <linux/seq_file.h>
|
#include <linux/seq_file.h>
|
#include <linux/init.h>
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#include <linux/init.h>
|
#include <net/sctp/sctp.h>
|
#include <net/sctp/sctp.h>
|
|
|
static struct snmp_mib sctp_snmp_list[] = {
|
static struct snmp_mib sctp_snmp_list[] = {
|
SNMP_MIB_ITEM("SctpCurrEstab", SCTP_MIB_CURRESTAB),
|
SNMP_MIB_ITEM("SctpCurrEstab", SCTP_MIB_CURRESTAB),
|
SNMP_MIB_ITEM("SctpActiveEstabs", SCTP_MIB_ACTIVEESTABS),
|
SNMP_MIB_ITEM("SctpActiveEstabs", SCTP_MIB_ACTIVEESTABS),
|
SNMP_MIB_ITEM("SctpPassiveEstabs", SCTP_MIB_PASSIVEESTABS),
|
SNMP_MIB_ITEM("SctpPassiveEstabs", SCTP_MIB_PASSIVEESTABS),
|
SNMP_MIB_ITEM("SctpAborteds", SCTP_MIB_ABORTEDS),
|
SNMP_MIB_ITEM("SctpAborteds", SCTP_MIB_ABORTEDS),
|
SNMP_MIB_ITEM("SctpShutdowns", SCTP_MIB_SHUTDOWNS),
|
SNMP_MIB_ITEM("SctpShutdowns", SCTP_MIB_SHUTDOWNS),
|
SNMP_MIB_ITEM("SctpOutOfBlues", SCTP_MIB_OUTOFBLUES),
|
SNMP_MIB_ITEM("SctpOutOfBlues", SCTP_MIB_OUTOFBLUES),
|
SNMP_MIB_ITEM("SctpChecksumErrors", SCTP_MIB_CHECKSUMERRORS),
|
SNMP_MIB_ITEM("SctpChecksumErrors", SCTP_MIB_CHECKSUMERRORS),
|
SNMP_MIB_ITEM("SctpOutCtrlChunks", SCTP_MIB_OUTCTRLCHUNKS),
|
SNMP_MIB_ITEM("SctpOutCtrlChunks", SCTP_MIB_OUTCTRLCHUNKS),
|
SNMP_MIB_ITEM("SctpOutOrderChunks", SCTP_MIB_OUTORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpOutOrderChunks", SCTP_MIB_OUTORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpOutUnorderChunks", SCTP_MIB_OUTUNORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpOutUnorderChunks", SCTP_MIB_OUTUNORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpInCtrlChunks", SCTP_MIB_INCTRLCHUNKS),
|
SNMP_MIB_ITEM("SctpInCtrlChunks", SCTP_MIB_INCTRLCHUNKS),
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SNMP_MIB_ITEM("SctpInOrderChunks", SCTP_MIB_INORDERCHUNKS),
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SNMP_MIB_ITEM("SctpInOrderChunks", SCTP_MIB_INORDERCHUNKS),
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SNMP_MIB_ITEM("SctpInUnorderChunks", SCTP_MIB_INUNORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpInUnorderChunks", SCTP_MIB_INUNORDERCHUNKS),
|
SNMP_MIB_ITEM("SctpFragUsrMsgs", SCTP_MIB_FRAGUSRMSGS),
|
SNMP_MIB_ITEM("SctpFragUsrMsgs", SCTP_MIB_FRAGUSRMSGS),
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SNMP_MIB_ITEM("SctpReasmUsrMsgs", SCTP_MIB_REASMUSRMSGS),
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SNMP_MIB_ITEM("SctpReasmUsrMsgs", SCTP_MIB_REASMUSRMSGS),
|
SNMP_MIB_ITEM("SctpOutSCTPPacks", SCTP_MIB_OUTSCTPPACKS),
|
SNMP_MIB_ITEM("SctpOutSCTPPacks", SCTP_MIB_OUTSCTPPACKS),
|
SNMP_MIB_ITEM("SctpInSCTPPacks", SCTP_MIB_INSCTPPACKS),
|
SNMP_MIB_ITEM("SctpInSCTPPacks", SCTP_MIB_INSCTPPACKS),
|
SNMP_MIB_ITEM("SctpT1InitExpireds", SCTP_MIB_T1_INIT_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT1InitExpireds", SCTP_MIB_T1_INIT_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT1CookieExpireds", SCTP_MIB_T1_COOKIE_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT1CookieExpireds", SCTP_MIB_T1_COOKIE_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT2ShutdownExpireds", SCTP_MIB_T2_SHUTDOWN_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT2ShutdownExpireds", SCTP_MIB_T2_SHUTDOWN_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT3RtxExpireds", SCTP_MIB_T3_RTX_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT3RtxExpireds", SCTP_MIB_T3_RTX_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT4RtoExpireds", SCTP_MIB_T4_RTO_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT4RtoExpireds", SCTP_MIB_T4_RTO_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT5ShutdownGuardExpireds", SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS),
|
SNMP_MIB_ITEM("SctpT5ShutdownGuardExpireds", SCTP_MIB_T5_SHUTDOWN_GUARD_EXPIREDS),
|
SNMP_MIB_ITEM("SctpDelaySackExpireds", SCTP_MIB_DELAY_SACK_EXPIREDS),
|
SNMP_MIB_ITEM("SctpDelaySackExpireds", SCTP_MIB_DELAY_SACK_EXPIREDS),
|
SNMP_MIB_ITEM("SctpAutocloseExpireds", SCTP_MIB_AUTOCLOSE_EXPIREDS),
|
SNMP_MIB_ITEM("SctpAutocloseExpireds", SCTP_MIB_AUTOCLOSE_EXPIREDS),
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SNMP_MIB_ITEM("SctpT3Retransmits", SCTP_MIB_T3_RETRANSMITS),
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SNMP_MIB_ITEM("SctpT3Retransmits", SCTP_MIB_T3_RETRANSMITS),
|
SNMP_MIB_ITEM("SctpPmtudRetransmits", SCTP_MIB_PMTUD_RETRANSMITS),
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SNMP_MIB_ITEM("SctpPmtudRetransmits", SCTP_MIB_PMTUD_RETRANSMITS),
|
SNMP_MIB_ITEM("SctpFastRetransmits", SCTP_MIB_FAST_RETRANSMITS),
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SNMP_MIB_ITEM("SctpFastRetransmits", SCTP_MIB_FAST_RETRANSMITS),
|
SNMP_MIB_ITEM("SctpInPktSoftirq", SCTP_MIB_IN_PKT_SOFTIRQ),
|
SNMP_MIB_ITEM("SctpInPktSoftirq", SCTP_MIB_IN_PKT_SOFTIRQ),
|
SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG),
|
SNMP_MIB_ITEM("SctpInPktBacklog", SCTP_MIB_IN_PKT_BACKLOG),
|
SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS),
|
SNMP_MIB_ITEM("SctpInPktDiscards", SCTP_MIB_IN_PKT_DISCARDS),
|
SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS),
|
SNMP_MIB_ITEM("SctpInDataChunkDiscards", SCTP_MIB_IN_DATA_CHUNK_DISCARDS),
|
SNMP_MIB_SENTINEL
|
SNMP_MIB_SENTINEL
|
};
|
};
|
|
|
/* Return the current value of a particular entry in the mib by adding its
|
/* Return the current value of a particular entry in the mib by adding its
|
* per cpu counters.
|
* per cpu counters.
|
*/
|
*/
|
static unsigned long
|
static unsigned long
|
fold_field(void *mib[], int nr)
|
fold_field(void *mib[], int nr)
|
{
|
{
|
unsigned long res = 0;
|
unsigned long res = 0;
|
int i;
|
int i;
|
|
|
for_each_possible_cpu(i) {
|
for_each_possible_cpu(i) {
|
res +=
|
res +=
|
*((unsigned long *) (((void *) per_cpu_ptr(mib[0], i)) +
|
*((unsigned long *) (((void *) per_cpu_ptr(mib[0], i)) +
|
sizeof (unsigned long) * nr));
|
sizeof (unsigned long) * nr));
|
res +=
|
res +=
|
*((unsigned long *) (((void *) per_cpu_ptr(mib[1], i)) +
|
*((unsigned long *) (((void *) per_cpu_ptr(mib[1], i)) +
|
sizeof (unsigned long) * nr));
|
sizeof (unsigned long) * nr));
|
}
|
}
|
return res;
|
return res;
|
}
|
}
|
|
|
/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
|
/* Display sctp snmp mib statistics(/proc/net/sctp/snmp). */
|
static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
|
static int sctp_snmp_seq_show(struct seq_file *seq, void *v)
|
{
|
{
|
int i;
|
int i;
|
|
|
for (i = 0; sctp_snmp_list[i].name != NULL; i++)
|
for (i = 0; sctp_snmp_list[i].name != NULL; i++)
|
seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
|
seq_printf(seq, "%-32s\t%ld\n", sctp_snmp_list[i].name,
|
fold_field((void **)sctp_statistics,
|
fold_field((void **)sctp_statistics,
|
sctp_snmp_list[i].entry));
|
sctp_snmp_list[i].entry));
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Initialize the seq file operations for 'snmp' object. */
|
/* Initialize the seq file operations for 'snmp' object. */
|
static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
|
static int sctp_snmp_seq_open(struct inode *inode, struct file *file)
|
{
|
{
|
return single_open(file, sctp_snmp_seq_show, NULL);
|
return single_open(file, sctp_snmp_seq_show, NULL);
|
}
|
}
|
|
|
static const struct file_operations sctp_snmp_seq_fops = {
|
static const struct file_operations sctp_snmp_seq_fops = {
|
.owner = THIS_MODULE,
|
.owner = THIS_MODULE,
|
.open = sctp_snmp_seq_open,
|
.open = sctp_snmp_seq_open,
|
.read = seq_read,
|
.read = seq_read,
|
.llseek = seq_lseek,
|
.llseek = seq_lseek,
|
.release = single_release,
|
.release = single_release,
|
};
|
};
|
|
|
/* Set up the proc fs entry for 'snmp' object. */
|
/* Set up the proc fs entry for 'snmp' object. */
|
int __init sctp_snmp_proc_init(void)
|
int __init sctp_snmp_proc_init(void)
|
{
|
{
|
struct proc_dir_entry *p;
|
struct proc_dir_entry *p;
|
|
|
p = create_proc_entry("snmp", S_IRUGO, proc_net_sctp);
|
p = create_proc_entry("snmp", S_IRUGO, proc_net_sctp);
|
if (!p)
|
if (!p)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
p->proc_fops = &sctp_snmp_seq_fops;
|
p->proc_fops = &sctp_snmp_seq_fops;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Cleanup the proc fs entry for 'snmp' object. */
|
/* Cleanup the proc fs entry for 'snmp' object. */
|
void sctp_snmp_proc_exit(void)
|
void sctp_snmp_proc_exit(void)
|
{
|
{
|
remove_proc_entry("snmp", proc_net_sctp);
|
remove_proc_entry("snmp", proc_net_sctp);
|
}
|
}
|
|
|
/* Dump local addresses of an association/endpoint. */
|
/* Dump local addresses of an association/endpoint. */
|
static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_common *epb)
|
static void sctp_seq_dump_local_addrs(struct seq_file *seq, struct sctp_ep_common *epb)
|
{
|
{
|
struct list_head *pos;
|
struct list_head *pos;
|
struct sctp_association *asoc;
|
struct sctp_association *asoc;
|
struct sctp_sockaddr_entry *laddr;
|
struct sctp_sockaddr_entry *laddr;
|
struct sctp_transport *peer;
|
struct sctp_transport *peer;
|
union sctp_addr *addr, *primary = NULL;
|
union sctp_addr *addr, *primary = NULL;
|
struct sctp_af *af;
|
struct sctp_af *af;
|
|
|
if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
|
if (epb->type == SCTP_EP_TYPE_ASSOCIATION) {
|
asoc = sctp_assoc(epb);
|
asoc = sctp_assoc(epb);
|
peer = asoc->peer.primary_path;
|
peer = asoc->peer.primary_path;
|
primary = &peer->saddr;
|
primary = &peer->saddr;
|
}
|
}
|
|
|
list_for_each(pos, &epb->bind_addr.address_list) {
|
list_for_each(pos, &epb->bind_addr.address_list) {
|
laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
|
laddr = list_entry(pos, struct sctp_sockaddr_entry, list);
|
addr = &laddr->a;
|
addr = &laddr->a;
|
af = sctp_get_af_specific(addr->sa.sa_family);
|
af = sctp_get_af_specific(addr->sa.sa_family);
|
if (primary && af->cmp_addr(addr, primary)) {
|
if (primary && af->cmp_addr(addr, primary)) {
|
seq_printf(seq, "*");
|
seq_printf(seq, "*");
|
}
|
}
|
af->seq_dump_addr(seq, addr);
|
af->seq_dump_addr(seq, addr);
|
}
|
}
|
}
|
}
|
|
|
/* Dump remote addresses of an association. */
|
/* Dump remote addresses of an association. */
|
static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_association *assoc)
|
static void sctp_seq_dump_remote_addrs(struct seq_file *seq, struct sctp_association *assoc)
|
{
|
{
|
struct list_head *pos;
|
struct list_head *pos;
|
struct sctp_transport *transport;
|
struct sctp_transport *transport;
|
union sctp_addr *addr, *primary;
|
union sctp_addr *addr, *primary;
|
struct sctp_af *af;
|
struct sctp_af *af;
|
|
|
primary = &assoc->peer.primary_addr;
|
primary = &assoc->peer.primary_addr;
|
list_for_each(pos, &assoc->peer.transport_addr_list) {
|
list_for_each(pos, &assoc->peer.transport_addr_list) {
|
transport = list_entry(pos, struct sctp_transport, transports);
|
transport = list_entry(pos, struct sctp_transport, transports);
|
addr = &transport->ipaddr;
|
addr = &transport->ipaddr;
|
af = sctp_get_af_specific(addr->sa.sa_family);
|
af = sctp_get_af_specific(addr->sa.sa_family);
|
if (af->cmp_addr(addr, primary)) {
|
if (af->cmp_addr(addr, primary)) {
|
seq_printf(seq, "*");
|
seq_printf(seq, "*");
|
}
|
}
|
af->seq_dump_addr(seq, addr);
|
af->seq_dump_addr(seq, addr);
|
}
|
}
|
}
|
}
|
|
|
static void * sctp_eps_seq_start(struct seq_file *seq, loff_t *pos)
|
static void * sctp_eps_seq_start(struct seq_file *seq, loff_t *pos)
|
{
|
{
|
if (*pos >= sctp_ep_hashsize)
|
if (*pos >= sctp_ep_hashsize)
|
return NULL;
|
return NULL;
|
|
|
if (*pos < 0)
|
if (*pos < 0)
|
*pos = 0;
|
*pos = 0;
|
|
|
if (*pos == 0)
|
if (*pos == 0)
|
seq_printf(seq, " ENDPT SOCK STY SST HBKT LPORT UID INODE LADDRS\n");
|
seq_printf(seq, " ENDPT SOCK STY SST HBKT LPORT UID INODE LADDRS\n");
|
|
|
return (void *)pos;
|
return (void *)pos;
|
}
|
}
|
|
|
static void sctp_eps_seq_stop(struct seq_file *seq, void *v)
|
static void sctp_eps_seq_stop(struct seq_file *seq, void *v)
|
{
|
{
|
return;
|
return;
|
}
|
}
|
|
|
|
|
static void * sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
static void * sctp_eps_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
{
|
{
|
if (++*pos >= sctp_ep_hashsize)
|
if (++*pos >= sctp_ep_hashsize)
|
return NULL;
|
return NULL;
|
|
|
return pos;
|
return pos;
|
}
|
}
|
|
|
|
|
/* Display sctp endpoints (/proc/net/sctp/eps). */
|
/* Display sctp endpoints (/proc/net/sctp/eps). */
|
static int sctp_eps_seq_show(struct seq_file *seq, void *v)
|
static int sctp_eps_seq_show(struct seq_file *seq, void *v)
|
{
|
{
|
struct sctp_hashbucket *head;
|
struct sctp_hashbucket *head;
|
struct sctp_ep_common *epb;
|
struct sctp_ep_common *epb;
|
struct sctp_endpoint *ep;
|
struct sctp_endpoint *ep;
|
struct sock *sk;
|
struct sock *sk;
|
struct hlist_node *node;
|
struct hlist_node *node;
|
int hash = *(loff_t *)v;
|
int hash = *(loff_t *)v;
|
|
|
if (hash >= sctp_ep_hashsize)
|
if (hash >= sctp_ep_hashsize)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
head = &sctp_ep_hashtable[hash];
|
head = &sctp_ep_hashtable[hash];
|
sctp_local_bh_disable();
|
sctp_local_bh_disable();
|
read_lock(&head->lock);
|
read_lock(&head->lock);
|
sctp_for_each_hentry(epb, node, &head->chain) {
|
sctp_for_each_hentry(epb, node, &head->chain) {
|
ep = sctp_ep(epb);
|
ep = sctp_ep(epb);
|
sk = epb->sk;
|
sk = epb->sk;
|
seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
|
seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk,
|
sctp_sk(sk)->type, sk->sk_state, hash,
|
sctp_sk(sk)->type, sk->sk_state, hash,
|
epb->bind_addr.port,
|
epb->bind_addr.port,
|
sock_i_uid(sk), sock_i_ino(sk));
|
sock_i_uid(sk), sock_i_ino(sk));
|
|
|
sctp_seq_dump_local_addrs(seq, epb);
|
sctp_seq_dump_local_addrs(seq, epb);
|
seq_printf(seq, "\n");
|
seq_printf(seq, "\n");
|
}
|
}
|
read_unlock(&head->lock);
|
read_unlock(&head->lock);
|
sctp_local_bh_enable();
|
sctp_local_bh_enable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static const struct seq_operations sctp_eps_ops = {
|
static const struct seq_operations sctp_eps_ops = {
|
.start = sctp_eps_seq_start,
|
.start = sctp_eps_seq_start,
|
.next = sctp_eps_seq_next,
|
.next = sctp_eps_seq_next,
|
.stop = sctp_eps_seq_stop,
|
.stop = sctp_eps_seq_stop,
|
.show = sctp_eps_seq_show,
|
.show = sctp_eps_seq_show,
|
};
|
};
|
|
|
|
|
/* Initialize the seq file operations for 'eps' object. */
|
/* Initialize the seq file operations for 'eps' object. */
|
static int sctp_eps_seq_open(struct inode *inode, struct file *file)
|
static int sctp_eps_seq_open(struct inode *inode, struct file *file)
|
{
|
{
|
return seq_open(file, &sctp_eps_ops);
|
return seq_open(file, &sctp_eps_ops);
|
}
|
}
|
|
|
static const struct file_operations sctp_eps_seq_fops = {
|
static const struct file_operations sctp_eps_seq_fops = {
|
.open = sctp_eps_seq_open,
|
.open = sctp_eps_seq_open,
|
.read = seq_read,
|
.read = seq_read,
|
.llseek = seq_lseek,
|
.llseek = seq_lseek,
|
.release = seq_release,
|
.release = seq_release,
|
};
|
};
|
|
|
/* Set up the proc fs entry for 'eps' object. */
|
/* Set up the proc fs entry for 'eps' object. */
|
int __init sctp_eps_proc_init(void)
|
int __init sctp_eps_proc_init(void)
|
{
|
{
|
struct proc_dir_entry *p;
|
struct proc_dir_entry *p;
|
|
|
p = create_proc_entry("eps", S_IRUGO, proc_net_sctp);
|
p = create_proc_entry("eps", S_IRUGO, proc_net_sctp);
|
if (!p)
|
if (!p)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
p->proc_fops = &sctp_eps_seq_fops;
|
p->proc_fops = &sctp_eps_seq_fops;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Cleanup the proc fs entry for 'eps' object. */
|
/* Cleanup the proc fs entry for 'eps' object. */
|
void sctp_eps_proc_exit(void)
|
void sctp_eps_proc_exit(void)
|
{
|
{
|
remove_proc_entry("eps", proc_net_sctp);
|
remove_proc_entry("eps", proc_net_sctp);
|
}
|
}
|
|
|
|
|
static void * sctp_assocs_seq_start(struct seq_file *seq, loff_t *pos)
|
static void * sctp_assocs_seq_start(struct seq_file *seq, loff_t *pos)
|
{
|
{
|
if (*pos >= sctp_assoc_hashsize)
|
if (*pos >= sctp_assoc_hashsize)
|
return NULL;
|
return NULL;
|
|
|
if (*pos < 0)
|
if (*pos < 0)
|
*pos = 0;
|
*pos = 0;
|
|
|
if (*pos == 0)
|
if (*pos == 0)
|
seq_printf(seq, " ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT "
|
seq_printf(seq, " ASSOC SOCK STY SST ST HBKT ASSOC-ID TX_QUEUE RX_QUEUE UID INODE LPORT "
|
"RPORT LADDRS <-> RADDRS\n");
|
"RPORT LADDRS <-> RADDRS\n");
|
|
|
return (void *)pos;
|
return (void *)pos;
|
}
|
}
|
|
|
static void sctp_assocs_seq_stop(struct seq_file *seq, void *v)
|
static void sctp_assocs_seq_stop(struct seq_file *seq, void *v)
|
{
|
{
|
return;
|
return;
|
}
|
}
|
|
|
|
|
static void * sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
static void * sctp_assocs_seq_next(struct seq_file *seq, void *v, loff_t *pos)
|
{
|
{
|
if (++*pos >= sctp_assoc_hashsize)
|
if (++*pos >= sctp_assoc_hashsize)
|
return NULL;
|
return NULL;
|
|
|
return pos;
|
return pos;
|
}
|
}
|
|
|
/* Display sctp associations (/proc/net/sctp/assocs). */
|
/* Display sctp associations (/proc/net/sctp/assocs). */
|
static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
|
static int sctp_assocs_seq_show(struct seq_file *seq, void *v)
|
{
|
{
|
struct sctp_hashbucket *head;
|
struct sctp_hashbucket *head;
|
struct sctp_ep_common *epb;
|
struct sctp_ep_common *epb;
|
struct sctp_association *assoc;
|
struct sctp_association *assoc;
|
struct sock *sk;
|
struct sock *sk;
|
struct hlist_node *node;
|
struct hlist_node *node;
|
int hash = *(loff_t *)v;
|
int hash = *(loff_t *)v;
|
|
|
if (hash >= sctp_assoc_hashsize)
|
if (hash >= sctp_assoc_hashsize)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
head = &sctp_assoc_hashtable[hash];
|
head = &sctp_assoc_hashtable[hash];
|
sctp_local_bh_disable();
|
sctp_local_bh_disable();
|
read_lock(&head->lock);
|
read_lock(&head->lock);
|
sctp_for_each_hentry(epb, node, &head->chain) {
|
sctp_for_each_hentry(epb, node, &head->chain) {
|
assoc = sctp_assoc(epb);
|
assoc = sctp_assoc(epb);
|
sk = epb->sk;
|
sk = epb->sk;
|
seq_printf(seq,
|
seq_printf(seq,
|
"%8p %8p %-3d %-3d %-2d %-4d %4d %8d %8d %7d %5lu %-5d %5d ",
|
"%8p %8p %-3d %-3d %-2d %-4d %4d %8d %8d %7d %5lu %-5d %5d ",
|
assoc, sk, sctp_sk(sk)->type, sk->sk_state,
|
assoc, sk, sctp_sk(sk)->type, sk->sk_state,
|
assoc->state, hash, assoc->assoc_id,
|
assoc->state, hash, assoc->assoc_id,
|
assoc->sndbuf_used,
|
assoc->sndbuf_used,
|
atomic_read(&assoc->rmem_alloc),
|
atomic_read(&assoc->rmem_alloc),
|
sock_i_uid(sk), sock_i_ino(sk),
|
sock_i_uid(sk), sock_i_ino(sk),
|
epb->bind_addr.port,
|
epb->bind_addr.port,
|
assoc->peer.port);
|
assoc->peer.port);
|
|
|
seq_printf(seq, " ");
|
seq_printf(seq, " ");
|
sctp_seq_dump_local_addrs(seq, epb);
|
sctp_seq_dump_local_addrs(seq, epb);
|
seq_printf(seq, "<-> ");
|
seq_printf(seq, "<-> ");
|
sctp_seq_dump_remote_addrs(seq, assoc);
|
sctp_seq_dump_remote_addrs(seq, assoc);
|
seq_printf(seq, "\n");
|
seq_printf(seq, "\n");
|
}
|
}
|
read_unlock(&head->lock);
|
read_unlock(&head->lock);
|
sctp_local_bh_enable();
|
sctp_local_bh_enable();
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
static const struct seq_operations sctp_assoc_ops = {
|
static const struct seq_operations sctp_assoc_ops = {
|
.start = sctp_assocs_seq_start,
|
.start = sctp_assocs_seq_start,
|
.next = sctp_assocs_seq_next,
|
.next = sctp_assocs_seq_next,
|
.stop = sctp_assocs_seq_stop,
|
.stop = sctp_assocs_seq_stop,
|
.show = sctp_assocs_seq_show,
|
.show = sctp_assocs_seq_show,
|
};
|
};
|
|
|
/* Initialize the seq file operations for 'assocs' object. */
|
/* Initialize the seq file operations for 'assocs' object. */
|
static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
|
static int sctp_assocs_seq_open(struct inode *inode, struct file *file)
|
{
|
{
|
return seq_open(file, &sctp_assoc_ops);
|
return seq_open(file, &sctp_assoc_ops);
|
}
|
}
|
|
|
static const struct file_operations sctp_assocs_seq_fops = {
|
static const struct file_operations sctp_assocs_seq_fops = {
|
.open = sctp_assocs_seq_open,
|
.open = sctp_assocs_seq_open,
|
.read = seq_read,
|
.read = seq_read,
|
.llseek = seq_lseek,
|
.llseek = seq_lseek,
|
.release = seq_release,
|
.release = seq_release,
|
};
|
};
|
|
|
/* Set up the proc fs entry for 'assocs' object. */
|
/* Set up the proc fs entry for 'assocs' object. */
|
int __init sctp_assocs_proc_init(void)
|
int __init sctp_assocs_proc_init(void)
|
{
|
{
|
struct proc_dir_entry *p;
|
struct proc_dir_entry *p;
|
|
|
p = create_proc_entry("assocs", S_IRUGO, proc_net_sctp);
|
p = create_proc_entry("assocs", S_IRUGO, proc_net_sctp);
|
if (!p)
|
if (!p)
|
return -ENOMEM;
|
return -ENOMEM;
|
|
|
p->proc_fops = &sctp_assocs_seq_fops;
|
p->proc_fops = &sctp_assocs_seq_fops;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Cleanup the proc fs entry for 'assocs' object. */
|
/* Cleanup the proc fs entry for 'assocs' object. */
|
void sctp_assocs_proc_exit(void)
|
void sctp_assocs_proc_exit(void)
|
{
|
{
|
remove_proc_entry("assocs", proc_net_sctp);
|
remove_proc_entry("assocs", proc_net_sctp);
|
}
|
}
|
|
|
