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tipc: reset bearer if device carrier not ok

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If we detect that under lying carrier detects errors and goes down,
we reset the bearer.

Signed-off-by: Parthasarathy Bhuvaragan <parthasarathy.bhuvaragan@ericsson.com>
Signed-off-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Parthasarathy Bhuvaragan 2018-09-25 21:56:57 +02:00 committed by David S. Miller
parent 92ef12b32f
commit 94b6ddce71
1 changed files with 7 additions and 5 deletions
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12
net/tipc/bearer.c
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@ -609,16 +609,18 @@ static int tipc_l2_device_event(struct notifier_block *nb, unsigned long evt,
switch (evt) {
case NETDEV_CHANGE:
if (netif_carrier_ok(dev))
if (netif_carrier_ok(dev) && netif_oper_up(dev)) {
test_and_set_bit_lock(0, &b->up);
break;
/* else: fall through */
case NETDEV_UP:
test_and_set_bit_lock(0, &b->up);
break;
}
/* fall through */
case NETDEV_GOING_DOWN:
clear_bit_unlock(0, &b->up);
tipc_reset_bearer(net, b);
break;
case NETDEV_UP:
test_and_set_bit_lock(0, &b->up);
break;
case NETDEV_CHANGEMTU:
if (tipc_mtu_bad(dev, 0)) {
bearer_disable(net, b);