[PATCH v2 11/11] IB/rxe: Handle NETDEV_CHANGE events

Andrew Boyer
2017-08-28T20:11:59Z

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-8PEkshWhKlo@public.gmane.org>
---
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..59dee10 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);
+ else
+ rxe_port_down(rxe);
+ break;