From: Ong Boon Leong <boon.leong.ong@intel.com> To: netdev@vger.kernel.org Cc: Tan Tee Min <tee.min.tan@intel.com>, Voon Weifeng <weifeng.voon@intel.com>, Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandre TORGUE <alexandre.torgue@st.com>, Jose Abreu <Jose.Abreu@synopsys.com>, "David S . Miller" <davem@davemloft.net>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Joao Pinto <Joao.Pinto@synopsys.com>, Arnd Bergmann <arnd@arndb.de>, Alexandru Ardelean <alexandru.ardelean@analog.com>, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH net v3 3/5] net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter Date: Wed, 22 Jan 2020 17:09:34 +0800 [thread overview] Message-ID: <20200122090936.28555-4-boon.leong.ong@intel.com> (raw) In-Reply-To: <20200122090936.28555-1-boon.leong.ong@intel.com> From: "Verma, Aashish" <aashishx.verma@intel.com> Without checking for IFF_MULTICAST flag, it is wrong to assume multicast filtering is always enabled. By checking against IFF_MULTICAST, now the driver behaves correctly when the multicast support is toggled by below command:- ip link set <devname> multicast off|on Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Verma, Aashish <aashishx.verma@intel.com> Tested-by: Tan, Tee Min <tee.min.tan@intel.com> Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 6e3d0ab0ecd6..53be936137d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -420,7 +420,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value |= GMAC_PACKET_FILTER_PM; /* Set all the bits of the HASH tab */ memset(mc_filter, 0xff, sizeof(mc_filter)); - } else if (!netdev_mc_empty(dev)) { + } else if (!netdev_mc_empty(dev) && (dev->flags & IFF_MULTICAST)) { struct netdev_hw_addr *ha; /* Hash filter for multicast */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: Ong Boon Leong <boon.leong.ong@intel.com> To: netdev@vger.kernel.org Cc: Jose Abreu <Jose.Abreu@synopsys.com>, Joao Pinto <Joao.Pinto@synopsys.com>, Alexandre TORGUE <alexandre.torgue@st.com>, Voon Weifeng <weifeng.voon@intel.com>, linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, Arnd Bergmann <arnd@arndb.de>, Maxime Coquelin <mcoquelin.stm32@gmail.com>, Tan Tee Min <tee.min.tan@intel.com>, Giuseppe Cavallaro <peppe.cavallaro@st.com>, Alexandru Ardelean <alexandru.ardelean@analog.com>, "David S . Miller" <davem@davemloft.net>, linux-arm-kernel@lists.infradead.org Subject: [PATCH net v3 3/5] net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter Date: Wed, 22 Jan 2020 17:09:34 +0800 [thread overview] Message-ID: <20200122090936.28555-4-boon.leong.ong@intel.com> (raw) In-Reply-To: <20200122090936.28555-1-boon.leong.ong@intel.com> From: "Verma, Aashish" <aashishx.verma@intel.com> Without checking for IFF_MULTICAST flag, it is wrong to assume multicast filtering is always enabled. By checking against IFF_MULTICAST, now the driver behaves correctly when the multicast support is toggled by below command:- ip link set <devname> multicast off|on Fixes: 477286b53f55 ("stmmac: add GMAC4 core support") Signed-off-by: Verma, Aashish <aashishx.verma@intel.com> Tested-by: Tan, Tee Min <tee.min.tan@intel.com> Signed-off-by: Ong Boon Leong <boon.leong.ong@intel.com> --- drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c index 6e3d0ab0ecd6..53be936137d0 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c @@ -420,7 +420,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw, value |= GMAC_PACKET_FILTER_PM; /* Set all the bits of the HASH tab */ memset(mc_filter, 0xff, sizeof(mc_filter)); - } else if (!netdev_mc_empty(dev)) { + } else if (!netdev_mc_empty(dev) && (dev->flags & IFF_MULTICAST)) { struct netdev_hw_addr *ha; /* Hash filter for multicast */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-01-22 9:10 UTC|newest] Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-01-22 9:09 [PATCH net v3 0/5] net: stmmac: general fixes for Ethernet functionality Ong Boon Leong 2020-01-22 9:09 ` Ong Boon Leong 2020-01-22 9:09 ` [PATCH net v3 1/5] net: stmmac: Fix incorrect location to set real_num_rx|tx_queues Ong Boon Leong 2020-01-22 9:09 ` Ong Boon Leong 2020-01-22 9:55 ` Jose Abreu 2020-01-22 9:55 ` Jose Abreu 2020-01-24 8:56 ` Ong, Boon Leong 2020-01-24 8:56 ` Ong, Boon Leong 2020-01-24 9:06 ` Jose Abreu 2020-01-24 9:06 ` Jose Abreu 2020-01-22 9:09 ` [PATCH net v3 2/5] net: stmmac: fix incorrect GMAC_VLAN_TAG register writting in GMAC4+ Ong Boon Leong 2020-01-22 9:09 ` Ong Boon Leong 2020-01-22 10:31 ` Jose Abreu 2020-01-22 10:31 ` Jose Abreu 2020-01-24 8:56 ` Ong, Boon Leong 2020-01-24 8:56 ` Ong, Boon Leong 2020-01-22 9:09 ` Ong Boon Leong [this message] 2020-01-22 9:09 ` [PATCH net v3 3/5] net: stmmac: fix missing IFF_MULTICAST check in dwmac4_set_filter Ong Boon Leong 2020-01-22 9:09 ` [PATCH net v3 4/5] net: stmmac: xgmac: fix missing IFF_MULTICAST checki in dwxgmac2_set_filter Ong Boon Leong 2020-01-22 9:09 ` Ong Boon Leong 2020-01-22 9:09 ` [PATCH net v3 5/5] net: stmmac: update pci platform data to use phy_interface Ong Boon Leong 2020-01-22 9:09 ` Ong Boon Leong
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