/*
* net/tipc/subscr.c: TIPC subscription service
*
- * Copyright (c) 2003-2005, Ericsson Research Canada
+ * Copyright (c) 2000-2006, Ericsson AB
* Copyright (c) 2005, Wind River Systems
- * Copyright (c) 2005-2006, Ericsson AB
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* Returns converted value
*/
-static inline u32 htohl(u32 in, int swap)
+static u32 htohl(u32 in, int swap)
{
char *c = (char *)∈
}
/**
- * subscr_overlap - test for subscription overlap with the given values
+ * tipc_subscr_overlap - test for subscription overlap with the given values
*
* Returns 1 if there is overlap, otherwise 0.
*/
-int subscr_overlap(struct subscription *sub,
- u32 found_lower,
- u32 found_upper)
+int tipc_subscr_overlap(struct subscription *sub,
+ u32 found_lower,
+ u32 found_upper)
{
if (found_lower < sub->seq.lower)
}
/**
- * subscr_report_overlap - issue event if there is subscription overlap
+ * tipc_subscr_report_overlap - issue event if there is subscription overlap
*
* Protected by nameseq.lock in name_table.c
*/
-void subscr_report_overlap(struct subscription *sub,
- u32 found_lower,
- u32 found_upper,
- u32 event,
- u32 port_ref,
- u32 node,
- int must)
+void tipc_subscr_report_overlap(struct subscription *sub,
+ u32 found_lower,
+ u32 found_upper,
+ u32 event,
+ u32 port_ref,
+ u32 node,
+ int must)
{
dbg("Rep overlap %u:%u,%u<->%u,%u\n", sub->seq.type, sub->seq.lower,
sub->seq.upper, found_lower, found_upper);
- if (!subscr_overlap(sub, found_lower, found_upper))
+ if (!tipc_subscr_overlap(sub, found_lower, found_upper))
return;
if (!must && (sub->filter != TIPC_SUB_PORTS))
return;
/* Validate subscriber reference (in case subscriber is terminating) */
subscriber_ref = sub->owner->ref;
- subscriber = (struct subscriber *)ref_lock(subscriber_ref);
+ subscriber = (struct subscriber *)tipc_ref_lock(subscriber_ref);
if (subscriber == NULL)
return;
/* Unlink subscription from name table */
- nametbl_unsubscribe(sub);
+ tipc_nametbl_unsubscribe(sub);
/* Notify subscriber of timeout, then unlink subscription */
/* Now destroy subscription */
- ref_unlock(subscriber_ref);
+ tipc_ref_unlock(subscriber_ref);
k_term_timer(&sub->timer);
kfree(sub);
atomic_dec(&topsrv.subscription_count);
/* Invalidate subscriber reference */
- ref_discard(subscriber->ref);
+ tipc_ref_discard(subscriber->ref);
spin_unlock_bh(subscriber->lock);
/* Destroy any existing subscriptions for subscriber */
k_cancel_timer(&sub->timer);
k_term_timer(&sub->timer);
}
- nametbl_unsubscribe(sub);
+ tipc_nametbl_unsubscribe(sub);
list_del(&sub->subscription_list);
dbg("Term: Removed sub %u,%u,%u from subscriber %x list\n",
sub->seq.type, sub->seq.lower, sub->seq.upper, subscriber);
/* Refuse subscription if global limit exceeded */
if (atomic_read(&topsrv.subscription_count) >= tipc_max_subscriptions) {
- warn("Failed: max %u subscriptions\n", tipc_max_subscriptions);
+ warn("Subscription rejected, subscription limit reached (%u)\n",
+ tipc_max_subscriptions);
subscr_terminate(subscriber);
return;
}
/* Allocate subscription object */
sub = kmalloc(sizeof(*sub), GFP_ATOMIC);
- if (sub == NULL) {
- warn("Memory squeeze; ignoring subscription\n");
+ if (!sub) {
+ warn("Subscription rejected, no memory\n");
subscr_terminate(subscriber);
return;
}
if ((((sub->filter != TIPC_SUB_PORTS)
&& (sub->filter != TIPC_SUB_SERVICE)))
|| (sub->seq.lower > sub->seq.upper)) {
- warn("Rejecting illegal subscription %u,%u,%u\n",
- sub->seq.type, sub->seq.lower, sub->seq.upper);
+ warn("Subscription rejected, illegal request\n");
kfree(sub);
subscr_terminate(subscriber);
return;
k_start_timer(&sub->timer, sub->timeout);
}
sub->owner = subscriber;
- nametbl_subscribe(sub);
+ tipc_nametbl_subscribe(sub);
}
/**
unsigned int size,
int reason)
{
- struct subscriber *subscriber = ref_lock((u32)usr_handle);
+ struct subscriber *subscriber;
spinlock_t *subscriber_lock;
+ subscriber = tipc_ref_lock((u32)(unsigned long)usr_handle);
if (subscriber == NULL)
return;
const unchar *data,
u32 size)
{
- struct subscriber *subscriber = ref_lock((u32)usr_handle);
+ struct subscriber *subscriber;
spinlock_t *subscriber_lock;
+ subscriber = tipc_ref_lock((u32)(unsigned long)usr_handle);
if (subscriber == NULL)
return;
struct tipc_name_seq const *dest)
{
struct subscriber *subscriber;
- struct iovec msg_sect = {0, 0};
+ struct iovec msg_sect = {NULL, 0};
spinlock_t *subscriber_lock;
dbg("subscr_named_msg_event: orig = %x own = %x,\n",
orig->node, tipc_own_addr);
if (size && (size != sizeof(struct tipc_subscr))) {
- warn("Received tipc_subscr of invalid size\n");
+ warn("Subscriber rejected, invalid subscription size\n");
return;
}
subscriber = kmalloc(sizeof(struct subscriber), GFP_ATOMIC);
if (subscriber == NULL) {
- warn("Memory squeeze; ignoring subscriber setup\n");
+ warn("Subscriber rejected, no memory\n");
return;
}
memset(subscriber, 0, sizeof(struct subscriber));
INIT_LIST_HEAD(&subscriber->subscription_list);
INIT_LIST_HEAD(&subscriber->subscriber_list);
- subscriber->ref = ref_acquire(subscriber, &subscriber->lock);
+ subscriber->ref = tipc_ref_acquire(subscriber, &subscriber->lock);
if (subscriber->ref == 0) {
- warn("Failed to acquire subscriber reference\n");
+ warn("Subscriber rejected, reference table exhausted\n");
kfree(subscriber);
return;
}
/* Establish a connection to subscriber */
tipc_createport(topsrv.user_ref,
- (void *)subscriber->ref,
+ (void *)(unsigned long)subscriber->ref,
importance,
- 0,
- 0,
+ NULL,
+ NULL,
subscr_conn_shutdown_event,
- 0,
- 0,
+ NULL,
+ NULL,
subscr_conn_msg_event,
- 0,
+ NULL,
&subscriber->port_ref);
if (subscriber->port_ref == 0) {
- warn("Memory squeeze; failed to create subscription port\n");
- ref_discard(subscriber->ref);
+ warn("Subscriber rejected, unable to create port\n");
+ tipc_ref_discard(subscriber->ref);
kfree(subscriber);
return;
}
/* Add subscriber to topology server's subscriber list */
- ref_lock(subscriber->ref);
+ tipc_ref_lock(subscriber->ref);
spin_lock_bh(&topsrv.lock);
list_add(&subscriber->subscriber_list, &topsrv.subscriber_list);
spin_unlock_bh(&topsrv.lock);
spin_unlock_bh(subscriber_lock);
}
-int subscr_start(void)
+int tipc_subscr_start(void)
{
struct tipc_name_seq seq = {TIPC_TOP_SRV, TIPC_TOP_SRV, TIPC_TOP_SRV};
int res = -1;
memset(&topsrv, 0, sizeof (topsrv));
- topsrv.lock = SPIN_LOCK_UNLOCKED;
+ spin_lock_init(&topsrv.lock);
INIT_LIST_HEAD(&topsrv.subscriber_list);
spin_lock_bh(&topsrv.lock);
- res = tipc_attach(&topsrv.user_ref, 0, 0);
+ res = tipc_attach(&topsrv.user_ref, NULL, NULL);
if (res) {
spin_unlock_bh(&topsrv.lock);
return res;
}
res = tipc_createport(topsrv.user_ref,
- 0,
+ NULL,
TIPC_CRITICAL_IMPORTANCE,
- 0,
- 0,
- 0,
- 0,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
subscr_named_msg_event,
- 0,
- 0,
+ NULL,
+ NULL,
&topsrv.setup_port);
if (res)
goto failed;
- res = nametbl_publish_rsv(topsrv.setup_port, TIPC_NODE_SCOPE, &seq);
+ res = tipc_nametbl_publish_rsv(topsrv.setup_port, TIPC_NODE_SCOPE, &seq);
if (res)
goto failed;
return 0;
failed:
- err("Unable to create subscription service\n");
+ err("Failed to create subscription service\n");
tipc_detach(topsrv.user_ref);
topsrv.user_ref = 0;
spin_unlock_bh(&topsrv.lock);
return res;
}
-void subscr_stop(void)
+void tipc_subscr_stop(void)
{
struct subscriber *subscriber;
struct subscriber *subscriber_temp;
list_for_each_entry_safe(subscriber, subscriber_temp,
&topsrv.subscriber_list,
subscriber_list) {
- ref_lock(subscriber->ref);
+ tipc_ref_lock(subscriber->ref);
subscriber_lock = subscriber->lock;
subscr_terminate(subscriber);
spin_unlock_bh(subscriber_lock);
{
u32 domain = 0;
- return(nametbl_translate(name->type, name->instance,&domain) != 0);
+ return(tipc_nametbl_translate(name->type, name->instance,&domain) != 0);
}