net: stmmac: Clear receive all(RA) bit when promiscuous mode is off
authorRamesh Babu B <ramesh.babu.b@intel.com>
Tue, 4 May 2021 15:42:41 +0000 (21:12 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 19 May 2021 08:13:07 +0000 (10:13 +0200)
[ Upstream commit 4c7a94286ef7ac7301d633f17519fb1bb89d7550 ]

In promiscuous mode Receive All bit is set in GMAC packet filter register,
but outside promiscuous mode Receive All bit is not cleared,
which resulted in all network packets are received when toggle (ON/OFF)
the promiscuous mode.

Fixes: e0f9956a3862 ("net: stmmac: Add option for VLAN filter fail queue enable")
Signed-off-by: Ramesh Babu B <ramesh.babu.b@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c

index ced6d76..16c538c 100644 (file)
@@ -617,6 +617,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
        value &= ~GMAC_PACKET_FILTER_PCF;
        value &= ~GMAC_PACKET_FILTER_PM;
        value &= ~GMAC_PACKET_FILTER_PR;
+       value &= ~GMAC_PACKET_FILTER_RA;
        if (dev->flags & IFF_PROMISC) {
                /* VLAN Tag Filter Fail Packets Queuing */
                if (hw->vlan_fail_q_en) {