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ixgbe: Add support for VF MAC and VLAN configuration

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Add support for the "ip link set" and "ip link show" commands that allow
configuration of the virtual functions' MAC and port VLAN via user space
command line.

Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Greg Rose 2010-05-04 22:12:06 +00:00 committed by David S. Miller
parent f04127760e
commit 7f01648aa3
5 changed files with 118 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/ixgbe/ixgbe.h
View File

@ -111,7 +111,10 @@ struct vf_data_storage {
u16 default_vf_vlan_id;
u16 vlans_enabled;
bool clear_to_send;
bool pf_set_mac;
int rar;
u16 pf_vlan; /* When set, guest VLAN config not allowed. */
u16 pf_qos;
};
/* wrapper around a pointer to a socket buffer,

4
drivers/net/ixgbe/ixgbe_main.c
View File

@ -6311,6 +6311,10 @@ static const struct net_device_ops ixgbe_netdev_ops = {
.ndo_vlan_rx_add_vid = ixgbe_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = ixgbe_vlan_rx_kill_vid,
.ndo_do_ioctl = ixgbe_ioctl,
.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_get_vf_config = ixgbe_ndo_get_vf_config,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = ixgbe_netpoll,
#endif

104
drivers/net/ixgbe/ixgbe_sriov.c
View File

@ -126,13 +126,34 @@ void ixgbe_set_vmolr(struct ixgbe_hw *hw, u32 vf, bool 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, true);
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;
@ -266,10 +287,12 @@ 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:
@ -363,3 +386,76 @@ 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;
}

6
drivers/net/ixgbe/ixgbe_sriov.h
View File

@ -42,6 +42,12 @@ int ixgbe_vf_configuration(struct pci_dev *pdev, unsigned int event_mask);
void ixgbe_disable_tx_rx(struct ixgbe_adapter *adapter);
void ixgbe_ping_all_vfs(struct ixgbe_adapter *adapter);
void ixgbe_dump_registers(struct ixgbe_adapter *adapter);
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_get_vf_config(struct net_device *netdev,
int vf, struct ifla_vf_info *ivi);
#endif /* _IXGBE_SRIOV_H_ */

5
drivers/net/ixgbe/ixgbe_type.h
View File

@ -219,6 +219,7 @@
#define IXGBE_MTQC 0x08120
#define IXGBE_VLVF(_i) (0x0F100 + ((_i) * 4)) /* 64 of these (0-63) */
#define IXGBE_VLVFB(_i) (0x0F200 + ((_i) * 4)) /* 128 of these (0-127) */
#define IXGBE_VMVIR(_i) (0x08000 + ((_i) * 4)) /* 64 of these (0-63) */
#define IXGBE_VT_CTL 0x051B0
#define IXGBE_VFRE(_i) (0x051E0 + ((_i) * 4))
#define IXGBE_VFTE(_i) (0x08110 + ((_i) * 4))
@ -1311,6 +1312,10 @@
#define IXGBE_VLVF_ENTRIES 64
#define IXGBE_VLVF_VLANID_MASK 0x00000FFF
/* Per VF Port VLAN insertion rules */
#define IXGBE_VMVIR_VLANA_DEFAULT 0x40000000 /* Always use default VLAN */
#define IXGBE_VMVIR_VLANA_NEVER 0x80000000 /* Never insert VLAN tag */
#define IXGBE_ETHERNET_IEEE_VLAN_TYPE 0x8100 /* 802.1q protocol */
/* STATUS Bit Masks */