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net/mlx4: Add set VF mac address support

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Add ndo_set_vf_mac support which allows to set the MAC address
for mlx4 VF Ethernet NICs from the host.

Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rony Efraim 2013-04-25 05:22:27 +00:00 committed by David S. Miller
parent 0eb62b93cb
commit 8f7ba3ca12
3 changed files with 73 additions and 1 deletions
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31
drivers/net/ethernet/mellanox/mlx4/cmd.c
View File

@ -2016,3 +2016,34 @@ u32 mlx4_comm_get_version(void)
{
return ((u32) CMD_CHAN_IF_REV << 8) | (u32) CMD_CHAN_VER;
}
static int mlx4_get_slave_indx(struct mlx4_dev *dev, int vf)
{
if ((vf < 0) || (vf >= dev->num_vfs)) {
mlx4_err(dev, "Bad vf number:%d (number of activated vf: %d)\n", vf, dev->num_vfs);
return -EINVAL;
}
return vf+1;
}
int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u64 mac)
{
struct mlx4_priv *priv = mlx4_priv(dev);
struct mlx4_vport_state *s_info;
int slave;
if (!mlx4_is_master(dev))
return -EPROTONOSUPPORT;
slave = mlx4_get_slave_indx(dev, vf);
if (slave < 0)
return -EINVAL;
s_info = &priv->mfunc.master.vf_admin[slave].vport[port];
s_info->mac = mac;
mlx4_info(dev, "default mac on vf %d port %d to %llX will take afect only after vf restart\n",
vf, port, s_info->mac);
return 0;
}
EXPORT_SYMBOL_GPL(mlx4_set_vf_mac);

42
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
View File

@ -2024,6 +2024,19 @@ static int mlx4_en_set_features(struct net_device *netdev,
}
static int mlx4_en_set_vf_mac(struct net_device *dev, int queue, u8 *mac)
{
struct mlx4_en_priv *en_priv = netdev_priv(dev);
struct mlx4_en_dev *mdev = en_priv->mdev;
u64 mac_u64 = mlx4_en_mac_to_u64(mac);
if (!is_valid_ether_addr(mac))
return -EINVAL;
return mlx4_set_vf_mac(mdev->dev, en_priv->port, queue, mac_u64);
}
static const struct net_device_ops mlx4_netdev_ops = {
.ndo_open = mlx4_en_open,
.ndo_stop = mlx4_en_close,
@ -2048,6 +2061,30 @@ static const struct net_device_ops mlx4_netdev_ops = {
#endif
};
static const struct net_device_ops mlx4_netdev_ops_master = {
.ndo_open = mlx4_en_open,
.ndo_stop = mlx4_en_close,
.ndo_start_xmit = mlx4_en_xmit,
.ndo_select_queue = mlx4_en_select_queue,
.ndo_get_stats = mlx4_en_get_stats,
.ndo_set_rx_mode = mlx4_en_set_rx_mode,
.ndo_set_mac_address = mlx4_en_set_mac,
.ndo_validate_addr = eth_validate_addr,
.ndo_change_mtu = mlx4_en_change_mtu,
.ndo_tx_timeout = mlx4_en_tx_timeout,
.ndo_vlan_rx_add_vid = mlx4_en_vlan_rx_add_vid,
.ndo_vlan_rx_kill_vid = mlx4_en_vlan_rx_kill_vid,
.ndo_set_vf_mac = mlx4_en_set_vf_mac,
#ifdef CONFIG_NET_POLL_CONTROLLER
.ndo_poll_controller = mlx4_en_netpoll,
#endif
.ndo_set_features = mlx4_en_set_features,
.ndo_setup_tc = mlx4_en_setup_tc,
#ifdef CONFIG_RFS_ACCEL
.ndo_rx_flow_steer = mlx4_en_filter_rfs,
#endif
};
int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
struct mlx4_en_port_profile *prof)
{
@ -2164,7 +2201,10 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port,
/*
* Initialize netdev entry points
*/
dev->netdev_ops = &mlx4_netdev_ops;
if (mlx4_is_master(priv->mdev->dev))
dev->netdev_ops = &mlx4_netdev_ops_master;
else
dev->netdev_ops = &mlx4_netdev_ops;
dev->watchdog_timeo = MLX4_EN_WATCHDOG_TIMEOUT;
netif_set_real_num_tx_queues(dev, priv->tx_ring_num);
netif_set_real_num_rx_queues(dev, priv->rx_ring_num);

1
include/linux/mlx4/cmd.h
View File

@ -232,6 +232,7 @@ struct mlx4_cmd_mailbox *mlx4_alloc_cmd_mailbox(struct mlx4_dev *dev);
void mlx4_free_cmd_mailbox(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox);
u32 mlx4_comm_get_version(void);
int mlx4_set_vf_mac(struct mlx4_dev *dev, int port, int vf, u64 mac);
#define MLX4_COMM_GET_IF_REV(cmd_chan_ver) (u8)((cmd_chan_ver) >> 8)