#include <linux/init.h>
#include <net/sctp/sctp.h>
-struct snmp_mib sctp_snmp_list[] = {
+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("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
};
/* Return the current value of a particular entry in the mib by adding its
unsigned long res = 0;
int i;
- for (i = 0; i < NR_CPUS; i++) {
- if (!cpu_possible(i))
- continue;
+ for_each_possible_cpu(i) {
res +=
*((unsigned long *) (((void *) per_cpu_ptr(mib[0], i)) +
sizeof (unsigned long) * nr));
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;
- union sctp_addr *addr;
+ 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 = (union sctp_addr *)&laddr->a;
+ 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);
}
}
{
struct list_head *pos;
struct sctp_transport *transport;
- union sctp_addr *addr;
+ 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 = (union sctp_addr *)&transport->ipaddr;
+ 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_ep_common *epb;
struct sctp_endpoint *ep;
struct sock *sk;
- int hash;
-
- seq_printf(seq, " ENDPT SOCK STY SST HBKT LPORT LADDRS\n");
- for (hash = 0; hash < sctp_ep_hashsize; hash++) {
- head = &sctp_ep_hashtable[hash];
- read_lock(&head->lock);
- for (epb = head->chain; epb; epb = epb->next) {
- ep = sctp_ep(epb);
- sk = epb->sk;
- seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d ", ep, sk,
- sctp_sk(sk)->type, sk->sk_state, hash,
- epb->bind_addr.port);
- sctp_seq_dump_local_addrs(seq, epb);
- seq_printf(seq, "\n");
- }
- read_unlock(&head->lock);
+ 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);
+ for (epb = head->chain; epb; epb = epb->next) {
+ 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 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 single_open(file, sctp_eps_seq_show, NULL);
+ return seq_open(file, &sctp_eps_ops);
}
static struct file_operations sctp_eps_seq_fops = {
.open = sctp_eps_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = seq_release,
};
/* Set up the proc fs entry for 'eps' object. */
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_ep_common *epb;
struct sctp_association *assoc;
struct sock *sk;
- int hash;
-
- seq_printf(seq, " ASSOC SOCK STY SST ST HBKT LPORT RPORT "
- "LADDRS <-> RADDRS\n");
- for (hash = 0; hash < sctp_assoc_hashsize; hash++) {
- head = &sctp_assoc_hashtable[hash];
- read_lock(&head->lock);
- for (epb = head->chain; epb; epb = epb->next) {
- assoc = sctp_assoc(epb);
- sk = epb->sk;
- seq_printf(seq,
- "%8p %8p %-3d %-3d %-2d %-4d %-5d %-5d ",
- assoc, sk, sctp_sk(sk)->type, sk->sk_state,
- assoc->state, hash, epb->bind_addr.port,
- assoc->peer.port);
- 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);
+ 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);
+ for (epb = head->chain; epb; epb = epb->next) {
+ 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 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 single_open(file, sctp_assocs_seq_show, NULL);
+ return seq_open(file, &sctp_assoc_ops);
}
static struct file_operations sctp_assocs_seq_fops = {
.open = sctp_assocs_seq_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = single_release,
+ .release = seq_release,
};
/* Set up the proc fs entry for 'assocs' object. */