ibmvnic: Refresh device multicast list after reset

[ Upstream commit be32a24372cf162e825332da1a7ccef058d4f20b ]

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@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c
index c914b338691bc0bada77c59e3885fb0b0b8a4ca9..956fbb164e6fbf866c9aa2d7074d150a54d258e8 100644 (file)
--- a/drivers/net/ethernet/ibm/ibmvnic.c
+++ b/drivers/net/ethernet/ibm/ibmvnic.c
@@ -1489,6 +1489,9 @@ 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]);