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netdrv intel: always enable VLAN filtering except in promiscous mode
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Currently VLAN filtering is enabled when the first VLAN is added.
Obviously before that there's no point in receiving any VLAN packets.
Now that we disable VLAN filtering in promiscous mode, we can keep
the VLAN filters enabled the remaining time.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Acked-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Acked-by: Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Patrick McHardy authored and David S. Miller committed Jul 17, 2008
1 parent 746b9f0 commit 78ed11a
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Showing 5 changed files with 5 additions and 36 deletions.
8 changes: 1 addition & 7 deletions drivers/net/e1000/e1000_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -2484,7 +2484,7 @@ e1000_set_rx_mode(struct net_device *netdev)
} else {
rctl &= ~E1000_RCTL_MPE;
}
if (adapter->vlgrp && adapter->hw.mac_type != e1000_ich8lan)
if (adapter->hw.mac_type != e1000_ich8lan)
rctl |= E1000_RCTL_VFE;
}

Expand Down Expand Up @@ -4967,8 +4967,6 @@ 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);
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);
Expand All @@ -4980,10 +4978,6 @@ e1000_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
E1000_WRITE_REG(&adapter->hw, CTRL, ctrl);

if (adapter->hw.mac_type != e1000_ich8lan) {
/* disable VLAN filtering */
rctl = E1000_READ_REG(&adapter->hw, RCTL);
rctl &= ~E1000_RCTL_VFE;
E1000_WRITE_REG(&adapter->hw, RCTL, rctl);
if (adapter->mng_vlan_id !=
(u16)E1000_MNG_VLAN_NONE) {
e1000_vlan_rx_kill_vid(netdev,
Expand Down
8 changes: 1 addition & 7 deletions drivers/net/e1000e/netdev.c
Original file line number Diff line number Diff line change
Expand Up @@ -1792,8 +1792,6 @@ 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);
if (!(netdev->flags & IFF_PROMISC))
rctl |= E1000_RCTL_VFE;
rctl &= ~E1000_RCTL_CFIEN;
ew32(RCTL, rctl);
e1000_update_mng_vlan(adapter);
Expand All @@ -1805,10 +1803,6 @@ static void e1000_vlan_rx_register(struct net_device *netdev,
ew32(CTRL, ctrl);

if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER) {
/* disable VLAN filtering */
rctl = er32(RCTL);
rctl &= ~E1000_RCTL_VFE;
ew32(RCTL, rctl);
if (adapter->mng_vlan_id !=
(u16)E1000_MNG_VLAN_NONE) {
e1000_vlan_rx_kill_vid(netdev,
Expand Down Expand Up @@ -2239,7 +2233,7 @@ static void e1000_set_multi(struct net_device *netdev)
} else {
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
}
if (adapter->vlgrp && adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
if (adapter->flags & FLAG_HAS_HW_VLAN_FILTER)
rctl |= E1000_RCTL_VFE;
}

Expand Down
9 changes: 1 addition & 8 deletions drivers/net/igb/igb_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -2277,8 +2277,7 @@ static void igb_set_multi(struct net_device *netdev)
rctl &= ~E1000_RCTL_UPE;
} else
rctl &= ~(E1000_RCTL_UPE | E1000_RCTL_MPE);
if (adapter->vlgrp)
rctl |= E1000_RCTL_VFE;
rctl |= E1000_RCTL_VFE;
}
wr32(E1000_RCTL, rctl);

Expand Down Expand Up @@ -4224,8 +4223,6 @@ static void igb_vlan_rx_register(struct net_device *netdev,

/* enable VLAN receive filtering */
rctl = rd32(E1000_RCTL);
if (!(netdev->flags & IFF_PROMISC))
rctl |= E1000_RCTL_VFE;
rctl &= ~E1000_RCTL_CFIEN;
wr32(E1000_RCTL, rctl);
igb_update_mng_vlan(adapter);
Expand All @@ -4237,10 +4234,6 @@ static void igb_vlan_rx_register(struct net_device *netdev,
ctrl &= ~E1000_CTRL_VME;
wr32(E1000_CTRL, ctrl);

/* disable VLAN filtering */
rctl = rd32(E1000_RCTL);
rctl &= ~E1000_RCTL_VFE;
wr32(E1000_RCTL, rctl);
if (adapter->mng_vlan_id != (u16)IGB_MNG_VLAN_NONE) {
igb_vlan_rx_kill_vid(netdev, adapter->mng_vlan_id);
adapter->mng_vlan_id = IGB_MNG_VLAN_NONE;
Expand Down
11 changes: 1 addition & 10 deletions drivers/net/ixgb/ixgb_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -1061,8 +1061,7 @@ ixgb_set_multi(struct net_device *netdev)
} else {
rctl &= ~(IXGB_RCTL_UPE | IXGB_RCTL_MPE);
}
if (adapter->vlgrp)
rctl |= IXGB_RCTL_VFE;
rctl |= IXGB_RCTL_VFE;
}

if (netdev->mc_count > IXGB_MAX_NUM_MULTICAST_ADDRESSES) {
Expand Down Expand Up @@ -2109,8 +2108,6 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
/* enable VLAN receive filtering */

rctl = IXGB_READ_REG(&adapter->hw, RCTL);
if (!(netdev->flags & IFF_PROMISC))
rctl |= IXGB_RCTL_VFE;
rctl &= ~IXGB_RCTL_CFIEN;
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
} else {
Expand All @@ -2119,12 +2116,6 @@ ixgb_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp)
ctrl = IXGB_READ_REG(&adapter->hw, CTRL0);
ctrl &= ~IXGB_CTRL0_VME;
IXGB_WRITE_REG(&adapter->hw, CTRL0, ctrl);

/* disable VLAN filtering */

rctl = IXGB_READ_REG(&adapter->hw, RCTL);
rctl &= ~IXGB_RCTL_VFE;
IXGB_WRITE_REG(&adapter->hw, RCTL, rctl);
}

/* don't enable interrupts unless we are UP */
Expand Down
5 changes: 1 addition & 4 deletions drivers/net/ixgbe/ixgbe_main.c
Original file line number Diff line number Diff line change
Expand Up @@ -1575,8 +1575,6 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev,
/* enable VLAN tag insert/strip */
ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
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);
}
Expand Down Expand Up @@ -1655,8 +1653,7 @@ static void ixgbe_set_multi(struct net_device *netdev)
} else {
fctrl &= ~(IXGBE_FCTRL_UPE | IXGBE_FCTRL_MPE);
}
if (adapter->vlgrp)
fctrl |= IXGBE_VLNCTRL_VFE;
fctrl |= IXGBE_VLNCTRL_VFE;
}

IXGBE_WRITE_REG(hw, IXGBE_FCTRL, fctrl);
Expand Down

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