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tipc: make tipc socket support net namespace

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Now tipc socket table is statically allocated as a global variable.
Through it, we can look up one socket instance with port ID, insert
a new socket instance to the table, and delete a socket from the
table. But when tipc supports net namespace, each namespace must own
its specific socket table. So the global variable of socket table
must be redefined in tipc_net structure. As a concequence, a new
socket table will be allocated when a new namespace is created, and
a socket table will be deallocated when namespace is destroyed.

Signed-off-by: Ying Xue <ying.xue@windriver.com>
Tested-by: Tero Aho <Tero.Aho@coriant.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ying Xue 2015-01-09 15:27:08 +08:00 • committed by David S. Miller
parent 1da465683a
commit e05b31f4bf
6 changed files with 43 additions and 33 deletions
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4
net/tipc/core.h
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@ -58,6 +58,7 @@
#include <linux/rtnetlink.h>
#include <linux/etherdevice.h>
#include <net/netns/generic.h>
#include <linux/rhashtable.h>
#include "node.h"
#include "bearer.h"
@ -101,6 +102,9 @@ struct tipc_net {
struct tipc_bcbearer *bcbearer;
struct tipc_bclink *bclink;
struct tipc_link *bcl;
/* Socket hash table */
struct rhashtable sk_rht;
};
#ifdef CONFIG_SYSCTL