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[TIPC]: Fixed link switchover bugs

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Incorporates several related fixes:
- switchover now occurs when switching from an active link to a standby link
- failure of a standby link no longer initiates switchover
- links now display correct # of received packtes following reactivation

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
2006-06-25 23:52:50 -07:00
committed by David S. Miller
parent a10bd924a4
commit 5392d64688
3 changed files with 31 additions and 8 deletions
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7
net/tipc/node.c
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@@ -125,6 +125,8 @@ void tipc_node_link_up(struct node *n_ptr, struct link *l_ptr)
{
struct link **active = &n_ptr->active_links[0];
n_ptr->working_links++;
info("Established link <%s> on network plane %c\n",
l_ptr->name, l_ptr->b_ptr->net_plane);
@@ -185,6 +187,8 @@ void tipc_node_link_down(struct node *n_ptr, struct link *l_ptr)
{
struct link **active;
n_ptr->working_links--;
if (!tipc_link_is_active(l_ptr)) {
info("Lost standby link <%s> on network plane %c\n",
l_ptr->name, l_ptr->b_ptr->net_plane);
@@ -214,8 +218,7 @@ int tipc_node_has_active_links(struct node *n_ptr)
int tipc_node_has_redundant_links(struct node *n_ptr)
{
return (tipc_node_has_active_links(n_ptr) &&
(n_ptr->active_links[0] != n_ptr->active_links[1]));
return (n_ptr->working_links > 1);
}
static int tipc_node_has_active_routes(struct node *n_ptr)