netdev - [PATCH net 2/3] ibmvnic: Refresh device multicast list after reset

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Message-Id: <1559941435-30124-3-git-send-email-tlfalcon@linux.ibm.com>
Date:   Fri,  7 Jun 2019 16:03:54 -0500
From:   Thomas Falcon <tlfalcon@...ux.ibm.com>
To:     netdev@...r.kernel.org
Cc:     linuxppc-dev@...ts.ozlabs.org,
        Thomas Falcon <tlfalcon@...ux.ibm.com>
Subject: [PATCH net 2/3] ibmvnic: Refresh device multicast list after reset

It was observed that multicast packets were no longer received after
a device reset.  The fix is to resend the current multicast list to
the backing device after recovery.

Signed-off-by: Thomas Falcon <tlfalcon@...ux.ibm.com>
---
 drivers/net/ethernet/ibm/ibmvnic.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index bc2a912..9e9f409 100644
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1845,6 +1845,9 @@ static int do_reset(struct ibmvnic_adapter *adapter,
 		return 0;
 	}
 
+	/* refresh device's multicast list */
+	ibmvnic_set_multi(netdev);
+
 	/* kick napi */
 	for (i = 0; i < adapter->req_rx_queues; i++)
 		napi_schedule(&adapter->napi[i]);
-- 
1.8.3.1