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path: root/drivers/net/ixgbe/ixgbe_sriov.c
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Diffstat (limited to 'drivers/net/ixgbe/ixgbe_sriov.c')
-rw-r--r--drivers/net/ixgbe/ixgbe_sriov.c137
1 files changed, 117 insertions, 20 deletions
diff --git a/drivers/net/ixgbe/ixgbe_sriov.c b/drivers/net/ixgbe/ixgbe_sriov.c
index d4cd20f3019..f6cee94ec8e 100644
--- a/drivers/net/ixgbe/ixgbe_sriov.c
+++ b/drivers/net/ixgbe/ixgbe_sriov.c
@@ -48,7 +48,11 @@ int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
int entries, u16 *hash_list, u32 vf)
{
struct vf_data_storage *vfinfo = &adapter->vfinfo[vf];
+ struct ixgbe_hw *hw = &adapter->hw;
int i;
+ u32 vector_bit;
+ u32 vector_reg;
+ u32 mta_reg;
/* only so many hash values supported */
entries = min(entries, IXGBE_MAX_VF_MC_ENTRIES);
@@ -68,8 +72,13 @@ int ixgbe_set_vf_multicasts(struct ixgbe_adapter *adapter,
vfinfo->vf_mc_hashes[i] = hash_list[i];;
}
- /* Flush and reset the mta with the new values */
- ixgbe_set_rx_mode(adapter->netdev);
+ for (i = 0; i < vfinfo->num_vf_mc_hashes; i++) {
+ vector_reg = (vfinfo->vf_mc_hashes[i] >> 5) & 0x7F;
+ vector_bit = vfinfo->vf_mc_hashes[i] & 0x1F;
+ mta_reg = IXGBE_READ_REG(hw, IXGBE_MTA(vector_reg));
+ mta_reg |= (1 << vector_bit);
+ IXGBE_WRITE_REG(hw, IXGBE_MTA(vector_reg), mta_reg);
+ }
return 0;
}
@@ -98,38 +107,51 @@ void ixgbe_restore_vf_multicasts(struct ixgbe_adapter *adapter)
int ixgbe_set_vf_vlan(struct ixgbe_adapter *adapter, int add, int vid, u32 vf)
{
- u32 ctrl;
-
- /* Check if global VLAN already set, if not set it */
- ctrl = IXGBE_READ_REG(&adapter->hw, IXGBE_VLNCTRL);
- if (!(ctrl & IXGBE_VLNCTRL_VFE)) {
- /* enable VLAN tag insert/strip */
- ctrl |= IXGBE_VLNCTRL_VFE;
- ctrl &= ~IXGBE_VLNCTRL_CFIEN;
- IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl);
- }
-
return adapter->hw.mac.ops.set_vfta(&adapter->hw, vid, vf, (bool)add);
}
-void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf)
+void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool aupe)
{
u32 vmolr = IXGBE_READ_REG(hw, IXGBE_VMOLR(vf));
- vmolr |= (IXGBE_VMOLR_AUPE |
- IXGBE_VMOLR_ROMPE |
+ vmolr |= (IXGBE_VMOLR_ROMPE |
IXGBE_VMOLR_ROPE |
IXGBE_VMOLR_BAM);
+ if (aupe)
+ vmolr |= IXGBE_VMOLR_AUPE;
+ else
+ vmolr &= ~IXGBE_VMOLR_AUPE;
IXGBE_WRITE_REG(hw, IXGBE_VMOLR(vf), vmolr);
}
+static void ixgbe_set_vmvir(struct ixgbe_adapter *adapter, u32 vid, u32 vf)
+{
+ struct ixgbe_hw *hw = &adapter->hw;
+
+ if (vid)
+ IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf),
+ (vid | IXGBE_VMVIR_VLANA_DEFAULT));
+ else
+ IXGBE_WRITE_REG(hw, IXGBE_VMVIR(vf), 0);
+}
+
inline void ixgbe_vf_reset_event(struct ixgbe_adapter *adapter, u32 vf)
{
struct ixgbe_hw *hw = &adapter->hw;
/* reset offloads to defaults */
- ixgbe_set_vmolr(hw, vf);
-
+ if (adapter->vfinfo[vf].pf_vlan) {
+ ixgbe_set_vf_vlan(adapter, true,
+ adapter->vfinfo[vf].pf_vlan, vf);
+ ixgbe_set_vmvir(adapter,
+ (adapter->vfinfo[vf].pf_vlan |
+ (adapter->vfinfo[vf].pf_qos <<
+ VLAN_PRIO_SHIFT)), vf);
+ ixgbe_set_vmolr(hw, vf, false);
+ } else {
+ ixgbe_set_vmvir(adapter, 0, vf);
+ ixgbe_set_vmolr(hw, vf, true);
+ }
/* reset multicast table array for vf */
adapter->vfinfo[vf].num_vf_mc_hashes = 0;
@@ -263,10 +285,12 @@ static int ixgbe_rcv_msg_from_vf(struct ixgbe_adapter *adapter, u32 vf)
case IXGBE_VF_SET_MAC_ADDR:
{
u8 *new_mac = ((u8 *)(&msgbuf[1]));
- if (is_valid_ether_addr(new_mac))
+ if (is_valid_ether_addr(new_mac) &&
+ !adapter->vfinfo[vf].pf_set_mac)
ixgbe_set_vf_mac(adapter, vf, new_mac);
else
- retval = -1;
+ ixgbe_set_vf_mac(adapter,
+ vf, adapter->vfinfo[vf].vf_mac_addresses);
}
break;
case IXGBE_VF_SET_MULTICAST:
@@ -360,3 +384,76 @@ void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter)
}
}
+int ixgbe_ndo_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ if (!is_valid_ether_addr(mac) || (vf >= adapter->num_vfs))
+ return -EINVAL;
+ adapter->vfinfo[vf].pf_set_mac = true;
+ dev_info(&adapter->pdev->dev, "setting MAC %pM on VF %d\n", mac, vf);
+ dev_info(&adapter->pdev->dev, "Reload the VF driver to make this"
+ " change effective.");
+ if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+ dev_warn(&adapter->pdev->dev, "The VF MAC address has been set,"
+ " but the PF device is not up.\n");
+ dev_warn(&adapter->pdev->dev, "Bring the PF device up before"
+ " attempting to use the VF device.\n");
+ }
+ return ixgbe_set_vf_mac(adapter, vf, mac);
+}
+
+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);
+
+ if ((vf >= adapter->num_vfs) || (vlan > 4095) || (qos > 7))
+ return -EINVAL;
+ if (vlan || qos) {
+ err = ixgbe_set_vf_vlan(adapter, true, vlan, vf);
+ if (err)
+ goto out;
+ ixgbe_set_vmvir(adapter, vlan | (qos << VLAN_PRIO_SHIFT), vf);
+ ixgbe_set_vmolr(&adapter->hw, vf, false);
+ adapter->vfinfo[vf].pf_vlan = vlan;
+ adapter->vfinfo[vf].pf_qos = qos;
+ dev_info(&adapter->pdev->dev,
+ "Setting VLAN %d, QOS 0x%x on VF %d\n", vlan, qos, vf);
+ if (test_bit(__IXGBE_DOWN, &adapter->state)) {
+ dev_warn(&adapter->pdev->dev,
+ "The VF VLAN has been set,"
+ " but the PF device is not up.\n");
+ dev_warn(&adapter->pdev->dev,
+ "Bring the PF device up before"
+ " attempting to use the VF device.\n");
+ }
+ } else {
+ 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);
+ adapter->vfinfo[vf].pf_vlan = 0;
+ adapter->vfinfo[vf].pf_qos = 0;
+ }
+out:
+ return err;
+}
+
+int ixgbe_ndo_set_vf_bw(struct net_device *netdev, int vf, int tx_rate)
+{
+ return -EOPNOTSUPP;
+}
+
+int ixgbe_ndo_get_vf_config(struct net_device *netdev,
+ int vf, struct ifla_vf_info *ivi)
+{
+ struct ixgbe_adapter *adapter = netdev_priv(netdev);
+ if (vf >= adapter->num_vfs)
+ return -EINVAL;
+ ivi->vf = vf;
+ memcpy(&ivi->mac, adapter->vfinfo[vf].vf_mac_addresses, ETH_ALEN);
+ ivi->tx_rate = 0;
+ ivi->vlan = adapter->vfinfo[vf].pf_vlan;
+ ivi->qos = adapter->vfinfo[vf].pf_qos;
+ return 0;
+}