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Diffstat (limited to 'net/tipc/bearer.c')
-rw-r--r--net/tipc/bearer.c45
1 files changed, 29 insertions, 16 deletions
diff --git a/net/tipc/bearer.c b/net/tipc/bearer.c
index 411719f..85209ea 100644
--- a/net/tipc/bearer.c
+++ b/net/tipc/bearer.c
@@ -46,6 +46,8 @@ static u32 media_count;
struct tipc_bearer tipc_bearers[MAX_BEARERS];
+static void bearer_disable(struct tipc_bearer *b_ptr);
+
/**
* media_name_valid - validate media name
*
@@ -342,15 +344,15 @@ struct sk_buff *tipc_bearer_get_names(void)
void tipc_bearer_add_dest(struct tipc_bearer *b_ptr, u32 dest)
{
tipc_nmap_add(&b_ptr->nodes, dest);
- tipc_disc_update_link_req(b_ptr->link_req);
tipc_bcbearer_sort();
+ tipc_disc_add_dest(b_ptr->link_req);
}
void tipc_bearer_remove_dest(struct tipc_bearer *b_ptr, u32 dest)
{
tipc_nmap_remove(&b_ptr->nodes, dest);
- tipc_disc_update_link_req(b_ptr->link_req);
tipc_bcbearer_sort();
+ tipc_disc_remove_dest(b_ptr->link_req);
}
/*
@@ -493,8 +495,15 @@ int tipc_enable_bearer(const char *name, u32 disc_domain, u32 priority)
warn("Bearer <%s> rejected, illegal name\n", name);
return -EINVAL;
}
- if (!tipc_addr_domain_valid(disc_domain) ||
- !tipc_in_scope(disc_domain, tipc_own_addr)) {
+ if (tipc_addr_domain_valid(disc_domain) &&
+ (disc_domain != tipc_own_addr)) {
+ if (tipc_in_scope(disc_domain, tipc_own_addr)) {
+ disc_domain = tipc_own_addr & TIPC_CLUSTER_MASK;
+ res = 0; /* accept any node in own cluster */
+ } else if (in_own_cluster(disc_domain))
+ res = 0; /* accept specified node in own cluster */
+ }
+ if (res) {
warn("Bearer <%s> rejected, illegal discovery domain\n", name);
return -EINVAL;
}
@@ -511,7 +520,7 @@ int tipc_enable_bearer(const char *name, u32 disc_domain, u32 priority)
if (!m_ptr) {
warn("Bearer <%s> rejected, media <%s> not registered\n", name,
b_name.media_name);
- goto failed;
+ goto exit;
}
if (priority == TIPC_MEDIA_LINK_PRI)
@@ -527,14 +536,14 @@ restart:
}
if (!strcmp(name, tipc_bearers[i].name)) {
warn("Bearer <%s> rejected, already enabled\n", name);
- goto failed;
+ goto exit;
}
if ((tipc_bearers[i].priority == priority) &&
(++with_this_prio > 2)) {
if (priority-- == 0) {
warn("Bearer <%s> rejected, duplicate priority\n",
name);
- goto failed;
+ goto exit;
}
warn("Bearer <%s> priority adjustment required %u->%u\n",
name, priority + 1, priority);
@@ -544,7 +553,7 @@ restart:
if (bearer_id >= MAX_BEARERS) {
warn("Bearer <%s> rejected, bearer limit reached (%u)\n",
name, MAX_BEARERS);
- goto failed;
+ goto exit;
}
b_ptr = &tipc_bearers[bearer_id];
@@ -552,7 +561,7 @@ restart:
res = m_ptr->enable_bearer(b_ptr);
if (res) {
warn("Bearer <%s> rejected, enable failure (%d)\n", name, -res);
- goto failed;
+ goto exit;
}
b_ptr->identity = bearer_id;
@@ -562,14 +571,18 @@ restart:
b_ptr->priority = priority;
INIT_LIST_HEAD(&b_ptr->cong_links);
INIT_LIST_HEAD(&b_ptr->links);
- b_ptr->link_req = tipc_disc_init_link_req(b_ptr, &m_ptr->bcast_addr,
- disc_domain);
spin_lock_init(&b_ptr->lock);
- write_unlock_bh(&tipc_net_lock);
+
+ res = tipc_disc_create(b_ptr, &m_ptr->bcast_addr, disc_domain);
+ if (res) {
+ bearer_disable(b_ptr);
+ warn("Bearer <%s> rejected, discovery object creation failed\n",
+ name);
+ goto exit;
+ }
info("Enabled bearer <%s>, discovery domain %s, priority %u\n",
name, tipc_addr_string_fill(addr_string, disc_domain), priority);
- return 0;
-failed:
+exit:
write_unlock_bh(&tipc_net_lock);
return res;
}
@@ -620,14 +633,14 @@ static void bearer_disable(struct tipc_bearer *b_ptr)
struct link *temp_l_ptr;
info("Disabling bearer <%s>\n", b_ptr->name);
- tipc_disc_stop_link_req(b_ptr->link_req);
spin_lock_bh(&b_ptr->lock);
- b_ptr->link_req = NULL;
b_ptr->blocked = 1;
b_ptr->media->disable_bearer(b_ptr);
list_for_each_entry_safe(l_ptr, temp_l_ptr, &b_ptr->links, link_list) {
tipc_link_delete(l_ptr);
}
+ if (b_ptr->link_req)
+ tipc_disc_delete(b_ptr->link_req);
spin_unlock_bh(&b_ptr->lock);
memset(b_ptr, 0, sizeof(struct tipc_bearer));
}