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-rw-r--r--net/tipc/name_table.h66
1 files changed, 36 insertions, 30 deletions
diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
index f56e7cb3d436..4b14fc28d9e2 100644
--- a/net/tipc/name_table.h
+++ b/net/tipc/name_table.h
@@ -1,7 +1,7 @@
/*
* net/tipc/name_table.h: Include file for TIPC name table code
*
- * Copyright (c) 2000-2006, 2014-2015, Ericsson AB
+ * Copyright (c) 2000-2006, 2014-2018, Ericsson AB
* Copyright (c) 2004-2005, 2010-2011, Wind River Systems
* All rights reserved.
*
@@ -54,19 +54,22 @@ struct tipc_group;
* @type: name sequence type
* @lower: name sequence lower bound
* @upper: name sequence upper bound
- * @scope: scope of publication
- * @node: network address of publishing port's node
- * @ref: publishing port
- * @key: publication key
- * @nodesub_list: subscription to "node down" event (off-node publication only)
- * @local_list: adjacent entries in list of publications made by this node
- * @pport_list: adjacent entries in list of publications made by this port
- * @node_list: adjacent matching name seq publications with >= node scope
- * @cluster_list: adjacent matching name seq publications with >= cluster scope
- * @zone_list: adjacent matching name seq publications with >= zone scope
+ * @scope: scope of publication, TIPC_NODE_SCOPE or TIPC_CLUSTER_SCOPE
+ * @node: network address of publishing socket's node
+ * @port: publishing port
+ * @key: publication key, unique across the cluster
+ * @binding_node: all publications from the same node which bound this one
+ * - Remote publications: in node->publ_list
+ * Used by node/name distr to withdraw publications when node is lost
+ * - Local/node scope publications: in name_table->node_scope list
+ * - Local/cluster scope publications: in name_table->cluster_scope list
+ * @binding_sock: all publications from the same socket which bound this one
+ * Used by socket to withdraw publications when socket is unbound/released
+ * @local_publ: list of identical publications made from this node
+ * Used by closest_first and multicast receive lookup algorithms
+ * @all_publ: all publications identical to this one, whatever node and scope
+ * Used by round-robin lookup algorithm
* @rcu: RCU callback head used for deferred freeing
- *
- * Note that the node list, cluster list, and zone list are circular lists.
*/
struct publication {
u32 type;
@@ -74,34 +77,37 @@ struct publication {
u32 upper;
u32 scope;
u32 node;
- u32 ref;
+ u32 port;
u32 key;
- struct list_head nodesub_list;
- struct list_head local_list;
- struct list_head pport_list;
- struct list_head node_list;
- struct list_head cluster_list;
- struct list_head zone_list;
+ struct list_head binding_node;
+ struct list_head binding_sock;
+ struct list_head local_publ;
+ struct list_head all_publ;
struct rcu_head rcu;
};
/**
* struct name_table - table containing all existing port name publications
* @seq_hlist: name sequence hash lists
- * @publ_list: pulication lists
+ * @node_scope: all local publications with node scope
+ * - used by name_distr during re-init of name table
+ * @cluster_scope: all local publications with cluster scope
+ * - used by name_distr to send bulk updates to new nodes
+ * - used by name_distr during re-init of name table
* @local_publ_count: number of publications issued by this node
*/
struct name_table {
- struct hlist_head seq_hlist[TIPC_NAMETBL_SIZE];
- struct list_head publ_list[TIPC_PUBL_SCOPE_NUM];
+ struct hlist_head services[TIPC_NAMETBL_SIZE];
+ struct list_head node_scope;
+ struct list_head cluster_scope;
u32 local_publ_count;
};
int tipc_nl_name_table_dump(struct sk_buff *skb, struct netlink_callback *cb);
u32 tipc_nametbl_translate(struct net *net, u32 type, u32 instance, u32 *node);
-int tipc_nametbl_mc_lookup(struct net *net, u32 type, u32 lower, u32 upper,
- u32 scope, bool exact, struct list_head *dports);
+void tipc_nametbl_mc_lookup(struct net *net, u32 type, u32 lower, u32 upper,
+ u32 scope, bool exact, struct list_head *dports);
void tipc_nametbl_build_group(struct net *net, struct tipc_group *grp,
u32 type, u32 domain);
void tipc_nametbl_lookup_dst_nodes(struct net *net, u32 type, u32 lower,
@@ -110,17 +116,17 @@ bool tipc_nametbl_lookup(struct net *net, u32 type, u32 instance, u32 domain,
struct list_head *dsts, int *dstcnt, u32 exclude,
bool all);
struct publication *tipc_nametbl_publish(struct net *net, u32 type, u32 lower,
- u32 upper, u32 scope, u32 port_ref,
+ u32 upper, u32 scope, u32 port,
u32 key);
-int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 ref,
+int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 upper,
u32 key);
struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
u32 lower, u32 upper, u32 scope,
u32 node, u32 ref, u32 key);
struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
- u32 lower, u32 node, u32 ref,
- u32 key);
-void tipc_nametbl_subscribe(struct tipc_subscription *s, bool status);
+ u32 lower, u32 upper,
+ u32 node, u32 key);
+void tipc_nametbl_subscribe(struct tipc_subscription *s);
void tipc_nametbl_unsubscribe(struct tipc_subscription *s);
int tipc_nametbl_init(struct net *net);
void tipc_nametbl_stop(struct net *net);