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Message-Id: <1318573288-18286-4-git-send-email-jeffrey.t.kirsher@intel.com>
Date: Thu, 13 Oct 2011 23:21:25 -0700
From: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To: davem@...emloft.net
Cc: Greg Rose <gregory.v.rose@...el.com>, netdev@...r.kernel.org,
gospo@...hat.com, sassmann@...hat.com,
Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 3/6] ixgbe: Add new netdev op to turn spoof checking on or off per VF
From: Greg Rose <gregory.v.rose@...el.com>
Implements the new netdev op to allow user configuration of spoof
checking on a per VF basis.
V2 - Change netdev spoof check op setting to bool
Signed-off-by: Greg Rose <gregory.v.rose@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
drivers/net/ethernet/intel/ixgbe/ixgbe.h | 3 +-
drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 10 ++++-
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c | 48 ++++++++++++++++++++---
drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h | 1 +
4 files changed, 52 insertions(+), 10 deletions(-)
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index c1f76aa..6c4d693 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -130,6 +130,8 @@ struct vf_data_storage {
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
u16 tx_rate;
+ u16 vlan_count;
+ u8 spoofchk_enabled;
struct pci_dev *vfdev;
};
@@ -509,7 +511,6 @@ struct ixgbe_adapter {
int vf_rate_link_speed;
struct vf_macvlans vf_mvs;
struct vf_macvlans *mv_list;
- bool antispoofing_enabled;
struct hlist_head fdir_filter_list;
union ixgbe_atr_input fdir_mask;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index f740a8e..fb7d884 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -2816,6 +2816,7 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
u32 vt_reg_bits;
u32 reg_offset, vf_shift;
u32 vmdctl;
+ int i;
if (!(adapter->flags & IXGBE_FLAG_SRIOV_ENABLED))
return;
@@ -2851,9 +2852,13 @@ static void ixgbe_configure_virtualization(struct ixgbe_adapter *adapter)
IXGBE_WRITE_REG(hw, IXGBE_PFDTXGSWC, IXGBE_PFDTXGSWC_VT_LBEN);
/* Enable MAC Anti-Spoofing */
hw->mac.ops.set_mac_anti_spoofing(hw,
- (adapter->antispoofing_enabled =
- (adapter->num_vfs != 0)),
+ (adapter->num_vfs != 0),
adapter->num_vfs);
+ /* For VFs that have spoof checking turned off */
+ for (i = 0; i < adapter->num_vfs; i++) {
+ if (!adapter->vfinfo[i].spoofchk_enabled)
+ ixgbe_ndo_set_vf_spoofchk(adapter->netdev, i, false);
+ }
}
static void ixgbe_set_rx_buffer_len(struct ixgbe_adapter *adapter)
@@ -7277,6 +7282,7 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_set_vf_mac = ixgbe_ndo_set_vf_mac,
.ndo_set_vf_vlan = ixgbe_ndo_set_vf_vlan,
.ndo_set_vf_tx_rate = ixgbe_ndo_set_vf_bw,
+ .ndo_set_vf_spoofchk = ixgbe_ndo_set_vf_spoofchk,
.ndo_get_vf_config = ixgbe_ndo_get_vf_config,
.ndo_get_stats64 = ixgbe_get_stats64,
.ndo_setup_tc = ixgbe_setup_tc,
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
index 468ddd0..db95731 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.c
@@ -151,6 +151,8 @@ void ixgbe_enable_sriov(struct ixgbe_adapter *adapter,
/* Disable RSC when in SR-IOV mode */
adapter->flags2 &= ~(IXGBE_FLAG2_RSC_CAPABLE |
IXGBE_FLAG2_RSC_ENABLED);
+ for (i = 0; i < adapter->num_vfs; i++)
+ adapter->vfinfo[i].spoofchk_enabled = true;
return;
}
@@ -620,7 +622,13 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
vf);
retval = -1;
} else {
+ if (add)
+ adapter->vfinfo[vf].vlan_count++;
+ else if (adapter->vfinfo[vf].vlan_count)
+ adapter->vfinfo[vf].vlan_count--;
retval = ixgbe_set_vf_vlan(adapter, add, vid, vf);
+ if (!retval && adapter->vfinfo[vf].spoofchk_enabled)
+ hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
}
break;
case IXGBE_VF_SET_MACVLAN:
@@ -632,12 +640,8 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
* greater than 0 will indicate the VF is setting a
* macvlan MAC filter.
*/
- if (index > 0 && adapter->antispoofing_enabled) {
- hw->mac.ops.set_mac_anti_spoofing(hw, false,
- adapter->num_vfs);
- hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
- adapter->antispoofing_enabled = false;
- }
+ if (index > 0 && adapter->vfinfo[vf].spoofchk_enabled)
+ ixgbe_ndo_set_vf_spoofchk(adapter->netdev, vf, false);
retval = ixgbe_set_vf_macvlan(adapter, vf, index,
(unsigned char *)(&msgbuf[1]));
break;
@@ -748,8 +752,9 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
goto out;
ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf);
ixgbe_set_vmolr(hw, vf, false);
- if (adapter->antispoofing_enabled)
+ if (adapter->vfinfo[vf].spoofchk_enabled)
hw->mac.ops.set_vlan_anti_spoofing(hw, true, vf);
+ adapter->vfinfo[vf].vlan_count++;
adapter->vfinfo[vf].pf_vlan = vlan;
adapter->vfinfo[vf].pf_qos = qos;
dev_info(&adapter->pdev->dev,
@@ -768,6 +773,8 @@ int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int vf, u16 vlan, u8 qos)
ixgbe_set_vmvir(adapter, vlan, vf);
ixgbe_set_vmolr(hw, vf, true);
hw->mac.ops.set_vlan_anti_spoofing(hw, false, vf);
+ if (adapter->vfinfo[vf].vlan_count)
+ adapter->vfinfo[vf].vlan_count--;
adapter->vfinfo[vf].pf_vlan = 0;
adapter->vfinfo[vf].pf_qos = 0;
}
@@ -877,6 +884,32 @@ int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate)
return 0;
}
+int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ int vf_target_reg = vf >> 3;
+ int vf_target_shift = vf % 8;
+ struct ixgbe_hw *hw = &adapter->hw;
+ u32 regval;
+
+ adapter->vfinfo[vf].spoofchk_enabled = setting;
+
+ regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+ regval &= ~(1 << vf_target_shift);
+ regval |= (setting << vf_target_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
+
+ if (adapter->vfinfo[vf].vlan_count) {
+ vf_target_shift += IXGBE_SPOOF_VLANAS_SHIFT;
+ regval = IXGBE_READ_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg));
+ regval &= ~(1 << vf_target_shift);
+ regval |= (setting << vf_target_shift);
+ IXGBE_WRITE_REG(hw, IXGBE_PFVFSPOOF(vf_target_reg), regval);
+ }
+
+ return 0;
+}
+
int ixgbe_ndo_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi)
{
@@ -888,5 +921,6 @@ int ixgbe_ndo_get_vf_config(struct net_device *netdev,
ivi->tx_rate = adapter->vfinfo[vf].tx_rate;
ivi->vlan = adapter->vfinfo[vf].pf_vlan;
ivi->qos = adapter->vfinfo[vf].pf_qos;
+ ivi->spoofchk = adapter->vfinfo[vf].spoofchk_enabled;
return 0;
}
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
index 2781847..5a7e1eb 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_sriov.h
@@ -38,6 +38,7 @@ int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int queue, u8 *mac);
int ixgbe_ndo_set_vf_vlan(struct net_device *netdev, int queue, u16 vlan,
u8 qos);
int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate);
+int ixgbe_ndo_set_vf_spoofchk(struct net_device *netdev, int vf, bool setting);
int ixgbe_ndo_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi);
void ixgbe_check_vf_rate_limit(struct ixgbe_adapter *adapter);
--
1.7.6.4
--
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