diff options
Diffstat (limited to 'net/tipc/node.c')
-rw-r--r-- | net/tipc/node.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/net/tipc/node.c b/net/tipc/node.c index 3b86a74cb31f..1f938f3dba4b 100644 --- a/net/tipc/node.c +++ b/net/tipc/node.c @@ -438,3 +438,30 @@ struct sk_buff *tipc_node_get_links(const void *req_tlv_area, int req_tlv_space) rcu_read_unlock(); return buf; } + +/** + * tipc_node_get_linkname - get the name of a link + * + * @bearer_id: id of the bearer + * @node: peer node address + * @linkname: link name output buffer + * + * Returns 0 on success + */ +int tipc_node_get_linkname(u32 bearer_id, u32 addr, char *linkname, size_t len) +{ + struct tipc_link *link; + struct tipc_node *node = tipc_node_find(addr); + + if ((bearer_id > MAX_BEARERS) || !node) + return -EINVAL; + tipc_node_lock(node); + link = node->links[bearer_id]; + if (link) { + strncpy(linkname, link->name, len); + tipc_node_unlock(node); + return 0; + } + tipc_node_unlock(node); + return -EINVAL; +} |