Commit 746b9f02 authored by Patrick McHardy's avatar Patrick McHardy Committed by David S. Miller
Browse files

netdrv intel: disable VLAN filtering in promiscous mode

As discussed in this thread:

http://www.mail-archive.com/netdev@vger.kernel.org/msg53976.html



promiscous mode means to disable *all* filters. Currently only unicast
and multicast filtering is disabled. This patch changes all Intel
drivers to also disable VLAN filtering.
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Acked-by: default avatarJeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: default avatarPeter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 70efce27
......@@ -2477,10 +2477,15 @@ e1000_set_rx_mode(struct net_device *netdev)
if (netdev->flags & IFF_PROMISC) {
rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
} else if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
rctl &= ~E1000_RCTL_VFE;
} else {
rctl &= ~E1000_RCTL_MPE;
if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
} else {
rctl &= ~E1000_RCTL_MPE;
}
if (adapter->vlgrp && adapter->hw.mac_type != e1000_ich8lan)
rctl |= E1000_RCTL_VFE;
}
uc_ptr = NULL;
......@@ -4962,7 +4967,8 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
if (adapter->hw.mac_type != e1000_ich8lan) {
/* enable VLAN receive filtering */
rctl = E1000_READ_REG(&adapter->hw, RCTL);
rctl |= E1000_RCTL_VFE;
if (!(netdev->flags & IFF_PROMISC))
rctl |= E1000_RCTL_VFE;
rctl &= ~E1000_RCTL_CFIEN;
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
e1000_update_mng_vlan(adapter);
......
......@@ -1792,7 +1792,8 @@ static void e1000_vlan_rx_register(struct net_device *netdev,
if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
/* enable VLAN receive filtering */
rctl = er32(RCTL);
rctl |= E1000_RCTL_VFE;
if (!(netdev->flags & IFF_PROMISC))
rctl |= E1000_RCTL_VFE;
rctl &= ~E1000_RCTL_CFIEN;
ew32(RCTL, rctl);
e1000_update_mng_vlan(adapter);
......@@ -2230,11 +2231,16 @@ static void e1000_set_multi(struct net_device *netdev)
if (netdev->flags & IFF_PROMISC) {
rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
} else if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
rctl &= ~E1000_RCTL_UPE;
rctl &= ~E1000_RCTL_VFE;
} else {
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
rctl &= ~E1000_RCTL_UPE;
} else {
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
}
if (adapter->vlgrp && adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
rctl |= E1000_RCTL_VFE;
}
ew32(RCTL, rctl);
......
......@@ -2268,14 +2268,18 @@ static void igb_set_multi(struct net_device *netdev)
rctl = rd32(E1000_RCTL);
if (netdev->flags & IFF_PROMISC)
if (netdev->flags & IFF_PROMISC) {
rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
else if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
rctl &= ~E1000_RCTL_UPE;
} else
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
rctl &= ~E1000_RCTL_VFE;
} else {
if (netdev->flags & IFF_ALLMULTI) {
rctl |= E1000_RCTL_MPE;
rctl &= ~E1000_RCTL_UPE;
} else
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
if (adapter->vlgrp)
rctl |= E1000_RCTL_VFE;
}
wr32(E1000_RCTL, rctl);
if (!netdev->mc_count) {
......@@ -4220,7 +4224,8 @@ static void igb_vlan_rx_register(struct net_device *netdev,
/* enable VLAN receive filtering */
rctl = rd32(E1000_RCTL);
rctl |= E1000_RCTL_VFE;
if (!(netdev->flags & IFF_PROMISC))
rctl |= E1000_RCTL_VFE;
rctl &= ~E1000_RCTL_CFIEN;
wr32(E1000_RCTL, rctl);
igb_update_mng_vlan(adapter);
......
......@@ -1053,11 +1053,16 @@ ixgb_set_multi(struct net_device *netdev)
if (netdev->flags & IFF_PROMISC) {
rctl |= (IXGB_RCTL_UPE | IXGB_RCTL_MPE);
} else if (netdev->flags & IFF_ALLMULTI) {
rctl |= IXGB_RCTL_MPE;
rctl &= ~IXGB_RCTL_UPE;
rctl &= ~IXGB_RCTL_VFE;
} else {
rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
if (netdev->flags & IFF_ALLMULTI) {
rctl |= IXGB_RCTL_MPE;
rctl &= ~IXGB_RCTL_UPE;
} else {
rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
}
if (adapter->vlgrp)
rctl |= IXGB_RCTL_VFE;
}
if (netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {
......@@ -2104,7 +2109,8 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
/* enable VLAN receive filtering */
rctl = IXGB_READ_REG(&adapter->hw, RCTL);
rctl |= IXGB_RCTL_VFE;
if (!(netdev->flags & IFF_PROMISC))
rctl |= IXGB_RCTL_VFE;
rctl &= ~IXGB_RCTL_CFIEN;
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
} else {
......
......@@ -1574,7 +1574,9 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev,
if (grp) {
/* enable VLAN tag insert/strip */
ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
ctrl |= IXGBE_VLNCTRL_VME | IXGBE_VLNCTRL_VFE;
ctrl |= IXGBE_VLNCTRL_VME;
if (!(netdev->flags & IFF_PROMISC))
ctrl |= IXGBE_VLNCTRL_VFE;
ctrl &= ~IXGBE_VLNCTRL_CFIEN;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
}
......@@ -1645,11 +1647,16 @@ static void ixgbe_set_multi(struct net_device *netdev)
if (netdev->flags & IFF_PROMISC) {
fctrl |= (IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
} else if (netdev->flags & IFF_ALLMULTI) {
fctrl |= IXGBE_FCTRL_MPE;
fctrl &= ~IXGBE_FCTRL_UPE;
fctrl &= ~IXGBE_VLNCTRL_VFE;
} else {
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
if (netdev->flags & IFF_ALLMULTI) {
fctrl |= IXGBE_FCTRL_MPE;
fctrl &= ~IXGBE_FCTRL_UPE;
} else {
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
}
if (adapter->vlgrp)
fctrl |= IXGBE_VLNCTRL_VFE;
}
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
......
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