From 0655f9943df2f2d71f406fd77b51d05548134fc2 Mon Sep 17 00:00:00 2001 From: Thomas Falcon Date: Thu, 9 May 2019 23:13:44 -0500 Subject: net/ibmvnic: Update carrier state after link state change 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 Signed-off-by: David S. Miller --- drivers/net/ethernet/ibm/ibmvnic.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'drivers/net/ethernet/ibm/ibmvnic.c') diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index 2be3bcd0192f..3dcd9c3d8781 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -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"); -- cgit v1.2.3