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authorPatrick McHardy <kaber@trash.net>2008-07-16 20:15:45 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-16 20:15:45 -0700
commit746b9f0228a1c607b3db67c80da1c2a963321926 (patch)
treeea5e89d69279918691885c7c2abbc8a0894f4c9c /drivers/net/ixgb
parent70efce27fc3d54271519244dc5e47da4ed711dd4 (diff)
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: 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>
Diffstat (limited to 'drivers/net/ixgb')
-rw-r--r--drivers/net/ixgb/ixgb_main.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index e83feaf830bd..ec95cd4ea588 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -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 {