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net/ibmvnic: Update carrier state after link state change

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Only set the device carrier state to on after receiving an up link
state indication from the underlying adapter. Likewise, if a down
link indication is receieved, update the carrier state accordingly.
This fix ensures that accurate carrier state is reported by the driver
following a link state update by the underlying adapter.

Signed-off-by: Thomas Falcon <tlfalcon@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Falcon 2019-05-09 23:13:44 -05:00 committed by David S. Miller
parent 62740e9788
commit 0655f9943d
1 changed files with 4 additions and 5 deletions
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9
drivers/net/ethernet/ibm/ibmvnic.c
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@ -1111,7 +1111,6 @@ static int ibmvnic_open(struct net_device *netdev)
}
rc = __ibmvnic_open(netdev);
netif_carrier_on(netdev);
return rc;
}
@ -1864,8 +1863,6 @@ static int do_reset(struct ibmvnic_adapter *adapter,
adapter->reset_reason != VNIC_RESET_CHANGE_PARAM)
call_netdevice_notifiers(NETDEV_NOTIFY_PEERS, netdev);
netif_carrier_on(netdev);
return 0;
}
@ -1935,8 +1932,6 @@ static int do_hard_reset(struct ibmvnic_adapter *adapter,
return 0;
}
netif_carrier_on(netdev);
return 0;
}
@ -4480,6 +4475,10 @@ static void ibmvnic_handle_crq(union ibmvnic_crq *crq,
crq->link_state_indication.phys_link_state;
adapter->logical_link_state =
crq->link_state_indication.logical_link_state;
if (adapter->phys_link_state && adapter->logical_link_state)
netif_carrier_on(netdev);
else
netif_carrier_off(netdev);
break;
case CHANGE_MAC_ADDR_RSP:
netdev_dbg(netdev, "Got MAC address change Response\n");