[PATCH v1 11/11] IB/rxe: Handle NETDEV_CHANGE events

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Without this fix, ports configured on top of ixgbe miss link up
notifications. ibv_query_port() will continue to return IBV_PORT_DOWN even
though the port is up and working.

Fixes: 8700e3e7c485 ("Soft RoCE driver")
Signed-off-by: Andrew Boyer <andrew.boyer@xxxxxxxx>
---
 drivers/infiniband/sw/rxe/rxe_net.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c
index 3ba76e7..133c6c4 100644
--- a/drivers/infiniband/sw/rxe/rxe_net.c
+++ b/drivers/infiniband/sw/rxe/rxe_net.c
@@ -651,8 +651,13 @@ static int rxe_notify(struct notifier_block *not_blk,
 		pr_info("%s changed mtu to %d\n", ndev->name, ndev->mtu);
 		rxe_set_mtu(rxe, ndev->mtu);
 		break;
-	case NETDEV_REBOOT:
 	case NETDEV_CHANGE:
+		if (netif_running(ndev) && netif_carrier_ok(ndev))
+			rxe_port_up(rxe, port_num);
+		else
+			rxe_port_down(rxe, port_num);
+		break;
+	case NETDEV_REBOOT:
 	case NETDEV_GOING_DOWN:
 	case NETDEV_CHANGEADDR:
 	case NETDEV_CHANGENAME:
-- 
1.8.3.1

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