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authorYing Xue <ying.xue@windriver.com>2014-05-05 08:56:14 +0800
committerDavid S. Miller <davem@davemloft.net>2014-05-05 17:26:44 -0400
commitca0c42732c512a12fabe677594840f31861dd31a (patch)
tree80f703e28c77128d77006e47b9e6a9c8735fb5df /net/tipc/name_distr.h
parent9d561949685749be3d97239eab7d85aa78718108 (diff)
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tipc: avoid to asynchronously deliver name tables to peer node
Postpone the actions of delivering name tables until after node lock is released, avoiding to do it under asynchronous context. Signed-off-by: Ying Xue <ying.xue@windriver.com> Reviewed-by: Erik Hugne <erik.hugne@ericsson.com> Reviewed-by: Jon Maloy <jon.maloy@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/tipc/name_distr.h')
-rw-r--r--net/tipc/name_distr.h30
1 files changed, 29 insertions, 1 deletions
diff --git a/net/tipc/name_distr.h b/net/tipc/name_distr.h
index 47ff829f9361..b2eed4ec1526 100644
--- a/net/tipc/name_distr.h
+++ b/net/tipc/name_distr.h
@@ -39,10 +39,38 @@
#include "name_table.h"
+#define ITEM_SIZE sizeof(struct distr_item)
+
+/**
+ * struct distr_item - publication info distributed to other nodes
+ * @type: name sequence type
+ * @lower: name sequence lower bound
+ * @upper: name sequence upper bound
+ * @ref: publishing port reference
+ * @key: publication key
+ *
+ * ===> All fields are stored in network byte order. <===
+ *
+ * First 3 fields identify (name or) name sequence being published.
+ * Reference field uniquely identifies port that published name sequence.
+ * Key field uniquely identifies publication, in the event a port has
+ * multiple publications of the same name sequence.
+ *
+ * Note: There is no field that identifies the publishing node because it is
+ * the same for all items contained within a publication message.
+ */
+struct distr_item {
+ __be32 type;
+ __be32 lower;
+ __be32 upper;
+ __be32 ref;
+ __be32 key;
+};
+
struct sk_buff *tipc_named_publish(struct publication *publ);
struct sk_buff *tipc_named_withdraw(struct publication *publ);
void named_cluster_distribute(struct sk_buff *buf);
-void tipc_named_node_up(unsigned long node);
+void tipc_named_node_up(u32 max_item_buf, u32 node);
void tipc_named_rcv(struct sk_buff *buf);
void tipc_named_reinit(void);