[PATCH AUTOSEL 4.14 28/57] qede: Fix multicast mac configuration

From: Sasha Levin
Date: Fri Dec 27 2019 - 13:05:46 EST


From: Manish Chopra <manishc@xxxxxxxxxxx>

[ Upstream commit 0af67e49b018e7280a4227bfe7b6005bc9d3e442 ]

Driver doesn't accommodate the configuration for max number
of multicast mac addresses, in such particular case it leaves
the device with improper/invalid multicast configuration state,
causing connectivity issues (in lacp bonding like scenarios).

Signed-off-by: Manish Chopra <manishc@xxxxxxxxxxx>
Signed-off-by: Ariel Elior <aelior@xxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/net/ethernet/qlogic/qede/qede_filter.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index f79e36e4060a..e7ad95de3da8 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -1181,7 +1181,7 @@ qede_configure_mcast_filtering(struct net_device *ndev,
netif_addr_lock_bh(ndev);

mc_count = netdev_mc_count(ndev);
- if (mc_count < 64) {
+ if (mc_count <= 64) {
netdev_for_each_mc_addr(ha, ndev) {
ether_addr_copy(temp, ha->addr);
temp += ETH_ALEN;
--
2.20.1