RDMA/nes: Fix hangs on ifdown
When ib_unregister_device() is called from netdev stop during ifdown,
it sometimes hangs. Changes made to indicate port_err to ib_dispatch_event()
during netdev stop and port_active during netdev open. The
ib_unregister_device() is only called during remove of the module.
Signed-off-by: Faisal Latif <faisal.latif@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 5cc0a9a..c0c404e 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -232,6 +232,13 @@
NES_MAC_INT_TX_UNDERFLOW | NES_MAC_INT_TX_ERROR));
first_nesvnic = nesvnic;
}
+
+ if (nesvnic->of_device_registered) {
+ nesdev->iw_status = 1;
+ nesdev->nesadapter->send_term_ok = 1;
+ nes_port_ibevent(nesvnic);
+ }
+
if (first_nesvnic->linkup) {
/* Enable network packets */
nesvnic->linkup = 1;
@@ -309,9 +316,9 @@
if (nesvnic->of_device_registered) {
- nes_destroy_ofa_device(nesvnic->nesibdev);
- nesvnic->nesibdev = NULL;
- nesvnic->of_device_registered = 0;
+ nesdev->nesadapter->send_term_ok = 0;
+ nesdev->iw_status = 0;
+ nes_port_ibevent(nesvnic);
}
nes_destroy_nic_qp(nesvnic);