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[TIPC]: Fixed slow link reactivation when link tolerance is large

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This patch corrects an issue wherein a previouly failed node could
not reestablish a links to a non-failing node in the TIPC network
until the latter node detected the link failure itself (which might
be configured to take up to 30 seconds).  The non-failing node now
responds to link setup requests from a previously failed node in at
most 1 second, allowing it to detect the link failure more quickly.

Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: Per Liden <per.liden@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Allan Stephens 2006-10-16 21:57:13 -07:00 committed by David S. Miller
parent 08c31f7167
commit 2de07f6156
1 changed files with 4 additions and 3 deletions
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7
net/tipc/discover.c
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@ -195,7 +195,8 @@ void tipc_disc_recv_msg(struct sk_buff *buf)
struct sk_buff *rbuf;
struct tipc_media_addr *addr;
struct node *n_ptr = tipc_node_find(orig);
int link_up;
int link_fully_up;
dbg(" in own cluster\n");
if (n_ptr == NULL) {
n_ptr = tipc_node_create(orig);
@ -225,9 +226,9 @@ void tipc_disc_recv_msg(struct sk_buff *buf)
memcpy(addr, &media_addr, sizeof(*addr));
tipc_link_reset(link);
}
link_up = tipc_link_is_up(link);
link_fully_up = (link->state == WORKING_WORKING);
spin_unlock_bh(&n_ptr->lock);
if ((type == DSC_RESP_MSG) || link_up)
if ((type == DSC_RESP_MSG) || link_fully_up)
return;
rbuf = tipc_disc_init_msg(DSC_RESP_MSG, 1, orig, b_ptr);
if (rbuf != NULL) {