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tipc: Enhance sending of bulk name table messages

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Modifies the initial transfer of name table entries to a new neighboring
node so that the messages are enqueued as a unit, rather than individually.

The revised algorithm now locates the link carrying the message only once,
and eliminates unnecessary checks for link congestion, message fragmentation,
and message bundling that are not required when sending these messages.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
This commit is contained in:
Allan Stephens
2011-05-31 13:38:02 -04:00
committed by Paul Gortmaker
parent 1c553bb52e
commit 9aa88c2a50
3 changed files with 54 additions and 2 deletions
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10
net/tipc/name_distr.c
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@@ -180,6 +180,7 @@ void tipc_named_node_up(unsigned long nodearg)
struct publication *publ;
struct distr_item *item = NULL;
struct sk_buff *buf = NULL;
struct list_head message_list;
u32 node = (u32)nodearg;
u32 left = 0;
u32 rest;
@@ -201,6 +202,10 @@ void tipc_named_node_up(unsigned long nodearg)
if (!max_item_buf)
return;
/* create list of publication messages, then send them as a unit */
INIT_LIST_HEAD(&message_list);
read_lock_bh(&tipc_nametbl_lock);
rest = publ_cnt * ITEM_SIZE;
@@ -219,13 +224,14 @@ void tipc_named_node_up(unsigned long nodearg)
item++;
left -= ITEM_SIZE;
if (!left) {
msg_set_link_selector(buf_msg(buf), node);
tipc_link_send(buf, node, node);
list_add_tail((struct list_head *)buf, &message_list);
buf = NULL;
}
}
exit:
read_unlock_bh(&tipc_nametbl_lock);
tipc_link_send_names(&message_list, (u32)node);
}
/**