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authorYing Xue <ying.xue@windriver.com>2015-01-09 15:27:05 +0800
committerDavid S. Miller <davem@davemloft.net>2015-01-12 16:24:32 -0500
commitf2f9800d4955a96d92896841d8ba9b04201deaa1 (patch)
tree3b817800cfd8fcb2de6d5a3d7eb4fff972fba681 /net/tipc/bcast.c
parentc93d3baa24095887005647984cff5de8c63d3611 (diff)
tipc: make tipc node table aware of net namespace
Global variables associated with node table are below: - node table list (node_htable) - node hash table list (tipc_node_list) - node table lock (node_list_lock) - node number counter (tipc_num_nodes) - node link number counter (tipc_num_links) To make node table support namespace, above global variables must be moved to tipc_net structure in order to keep secret for different namespaces. As a consequence, these variables are allocated and initialized when namespace is created, and deallocated when namespace is destroyed. After the change, functions associated with these variables have to utilize a namespace pointer to access them. So adding namespace pointer as a parameter of these functions is the major change made in the commit. 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>
Diffstat (limited to 'net/tipc/bcast.c')
-rw-r--r--net/tipc/bcast.c24
1 files changed, 12 insertions, 12 deletions
diff --git a/net/tipc/bcast.c b/net/tipc/bcast.c
index f98231138916..816c0e49319f 100644
--- a/net/tipc/bcast.c
+++ b/net/tipc/bcast.c
@@ -232,13 +232,12 @@ static void bclink_retransmit_pkt(u32 after, u32 to)
*
* Called with no locks taken
*/
-void tipc_bclink_wakeup_users(void)
+void tipc_bclink_wakeup_users(struct net *net)
{
struct sk_buff *skb;
while ((skb = skb_dequeue(&bclink->link.waiting_sks)))
- tipc_sk_rcv(skb);
-
+ tipc_sk_rcv(net, skb);
}
/**
@@ -385,9 +384,9 @@ void tipc_bclink_update_link_state(struct net *net, struct tipc_node *n_ptr,
* Delay any upcoming NACK by this node if another node has already
* requested the first message this node is going to ask for.
*/
-static void bclink_peek_nack(struct tipc_msg *msg)
+static void bclink_peek_nack(struct net *net, struct tipc_msg *msg)
{
- struct tipc_node *n_ptr = tipc_node_find(msg_destnode(msg));
+ struct tipc_node *n_ptr = tipc_node_find(net, msg_destnode(msg));
if (unlikely(!n_ptr))
return;
@@ -404,11 +403,12 @@ static void bclink_peek_nack(struct tipc_msg *msg)
/* tipc_bclink_xmit - broadcast buffer chain to all nodes in cluster
* and to identified node local sockets
+ * @net: the applicable net namespace
* @list: chain of buffers containing message
* Consumes the buffer chain, except when returning -ELINKCONG
* Returns 0 if success, otherwise errno: -ELINKCONG,-EHOSTUNREACH,-EMSGSIZE
*/
-int tipc_bclink_xmit(struct sk_buff_head *list)
+int tipc_bclink_xmit(struct net *net, struct sk_buff_head *list)
{
int rc = 0;
int bc = 0;
@@ -443,7 +443,7 @@ int tipc_bclink_xmit(struct sk_buff_head *list)
/* Deliver message clone */
if (likely(!rc))
- tipc_sk_mcast_rcv(skb);
+ tipc_sk_mcast_rcv(net, skb);
else
kfree_skb(skb);
@@ -491,7 +491,7 @@ void tipc_bclink_rcv(struct net *net, struct sk_buff *buf)
if (msg_mc_netid(msg) != tn->net_id)
goto exit;
- node = tipc_node_find(msg_prevnode(msg));
+ node = tipc_node_find(net, msg_prevnode(msg));
if (unlikely(!node))
goto exit;
@@ -514,7 +514,7 @@ void tipc_bclink_rcv(struct net *net, struct sk_buff *buf)
tipc_bclink_unlock();
} else {
tipc_node_unlock(node);
- bclink_peek_nack(msg);
+ bclink_peek_nack(net, msg);
}
goto exit;
}
@@ -532,7 +532,7 @@ receive:
tipc_bclink_unlock();
tipc_node_unlock(node);
if (likely(msg_mcast(msg)))
- tipc_sk_mcast_rcv(buf);
+ tipc_sk_mcast_rcv(net, buf);
else
kfree_skb(buf);
} else if (msg_user(msg) == MSG_BUNDLER) {
@@ -542,7 +542,7 @@ receive:
bcl->stats.recv_bundled += msg_msgcnt(msg);
tipc_bclink_unlock();
tipc_node_unlock(node);
- tipc_link_bundle_rcv(buf);
+ tipc_link_bundle_rcv(net, buf);
} else if (msg_user(msg) == MSG_FRAGMENTER) {
tipc_buf_append(&node->bclink.reasm_buf, &buf);
if (unlikely(!buf && !node->bclink.reasm_buf))
@@ -563,7 +563,7 @@ receive:
bclink_accept_pkt(node, seqno);
tipc_bclink_unlock();
tipc_node_unlock(node);
- tipc_named_rcv(buf);
+ tipc_named_rcv(net, buf);
} else {
tipc_bclink_lock();
bclink_accept_pkt(node, seqno);