diff options
| author | Greg Rose <gregory.v.rose@intel.com> | 2010-11-18 03:02:52 +0000 |
|---|---|---|
| committer | Jeff Kirsher <jeffrey.t.kirsher@intel.com> | 2010-12-24 21:41:06 -0800 |
| commit | a985b6c31ff230a1246d921afbfc0f6a1386be83 (patch) | |
| tree | 74ec1479b9f28e055c45a8a636f86b537d959b37 /drivers/net/ixgbe/ixgbe_sriov.c | |
| parent | 3377eba79e15671799876f82d30446e656aac5ad (diff) | |
ixgbe: Add anti-spoofing feature support
Add support for the anti-spoofing feature in the HW. Packets from
VF devices with spoofed MAC addresses or VLAN tags will be blocked
and a counter incremented. During the watchdog timer the spoofed
packet dropped counter is read and if it is non-zero then a warning
message is displayed on the host VMM's console.
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_sriov.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_sriov.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c index e01d0db8b517..47b15738b009 100644 --- a/drivers/net/ixgbe/ixgbe_sriov.c +++ b/drivers/net/ixgbe/ixgbe_sriov.c @@ -215,6 +215,11 @@ static inline void ixgbe_vf_reset_msg(struct ixgbe_adapter *adapter, u32 vf) reg |= (reg | (1 << vf_shift)); IXGBE_WRITE_REG(hw, IXGBE_VFRE(reg_offset), reg); + /* Enable counting of spoofed packets in the SSVPC register */ + reg = IXGBE_READ_REG(hw, IXGBE_VMECM(reg_offset)); + reg |= (1 << vf_shift); + IXGBE_WRITE_REG(hw, IXGBE_VMECM(reg_offset), reg); + ixgbe_vf_reset_event(adapter, vf); } @@ -412,6 +417,7 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) { int err = 0; struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7)) return -EINVAL; @@ -420,7 +426,8 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) if (err) goto out; ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf); - ixgbe_set_vmolr(&adapter->hw, vf, false); + ixgbe_set_vmolr(hw, vf, false); + hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf); adapter->vfinfo[vf].pf_vlan = vlan; adapter->vfinfo[vf].pf_qos = qos; dev_info(&adapter->pdev->dev, @@ -437,7 +444,8 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos) err = ixgbe_set_vf_vlan(adapter, false, adapter->vfinfo[vf].pf_vlan, vf); ixgbe_set_vmvir(adapter, vlan, vf); - ixgbe_set_vmolr(&adapter->hw, vf, true); + ixgbe_set_vmolr(hw, vf, true); + hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf); adapter->vfinfo[vf].pf_vlan = 0; adapter->vfinfo[vf].pf_qos = 0; } |