[PATCH 4.19 071/243] net-next/hinic:fix a bug in set mac address

Greg Kroah-Hartman
2019-12-11T15:20:27Z

From: Xue Chaojing <xuechaojing@huawei.com>

[ Upstream commit 9ea72dc9430306b77c73a8a21beb51437cde1d6d ]

In add_mac_addr(), if the MAC address is a muliticast address,
it will not be set, which causes the network card fail to receive
the multicast packet. This patch fixes this bug.

Signed-off-by: Xue Chaojing <xuechaojing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/net/ethernet/huawei/hinic/hinic_main.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/huawei/hinic/hinic_main.c b/drivers/net/ethernet/huawei/hinic/hinic_main.c
index 4a8f82938ed5b..2352046971a4e 100644
--- a/drivers/net/ethernet/huawei/hinic/hinic_main.c
+++ b/drivers/net/ethernet/huawei/hinic/hinic_main.c
@@ -600,9 +600,6 @@ static int add_mac_addr(struct net_device *netdev, const u8 *addr)
u16 vid = 0;
int err;

- if (!is_valid_ether_addr(addr))
- return -EADDRNOTAVAIL;
-
netif_info(nic_dev, drv, netdev, "set mac addr = %02x %02x %02x %02x %02x %02x\n",
addr[0], addr[1], addr[2], addr[3], addr[4], addr[5]);

@@ -726,6 +723,7 @@ static void set_rx_mode(struct work_struct *work)
{
struct hinic_rx_mode_work *rx_mode_work = work_to_rx_mode_work(work);
struct hinic_dev *nic_dev = rx_mode_work_to_nic_dev(rx_mode_work);
+ struct netdev_hw_addr *ha;

netif_info(nic_dev, drv, nic_dev->netdev, "set rx mode work\n");

@@ -733,6 +731,9 @@ static void set_rx_mode(struct work_struct *work)

__dev_uc_sync(nic_dev->netdev, add_mac_addr, remove_mac_addr);
__dev_mc_sync(nic_dev->netdev, add_mac_addr, remove_mac_addr);
+
+ netdev_for_each_mc_addr(ha, nic_dev->netdev)
+ add_mac_addr(nic_dev->netdev, ha->addr);
}

static void hinic_set_rx_mode(struct net_device *netdev)
--
2.20.1