diff options
| author | Hadar Hen Zion <hadarh@mellanox.com> | 2013-12-19 23:20:13 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-12-20 04:04:43 +0400 |
| commit | 84c864038d6d991be81344fc3168ec2c2f7a8d06 (patch) | |
| tree | bd2b4760063a1e08d4dd31b7bac2c0d75897ed15 | |
| parent | 8e1a28e8e6797449dfdfa4739002d1e5939355a8 (diff) | |
| download | linux-84c864038d6d991be81344fc3168ec2c2f7a8d06.tar.xz | |
net/mlx4_en: Implement ndo_get_phys_port_id
Use the port GUID read from the firmware to identify the physical port.
This port identifier is available via ndo_get_phys_port_id for both PF
and VF net-devices.
Signed-off-by: Hadar Hen Zion <hadarh@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 709e5ec5ce14..d2e9666f2fb8 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -2164,6 +2164,27 @@ static int mlx4_en_set_vf_link_state(struct net_device *dev, int vf, int link_st return mlx4_set_vf_link_state(mdev->dev, en_priv->port, vf, link_state); } + +#define PORT_ID_BYTE_LEN 8 +static int mlx4_en_get_phys_port_id(struct net_device *dev, + struct netdev_phys_port_id *ppid) +{ + struct mlx4_en_priv *priv = netdev_priv(dev); + struct mlx4_dev *mdev = priv->mdev->dev; + int i; + u64 phys_port_id = mdev->caps.phys_port_id[priv->port]; + + if (!phys_port_id) + return -EOPNOTSUPP; + + ppid->id_len = sizeof(phys_port_id); + for (i = PORT_ID_BYTE_LEN - 1; i >= 0; --i) { + ppid->id[i] = phys_port_id & 0xff; + phys_port_id >>= 8; + } + return 0; +} + static const struct net_device_ops mlx4_netdev_ops = { .ndo_open = mlx4_en_open, .ndo_stop = mlx4_en_close, @@ -2189,6 +2210,7 @@ static const struct net_device_ops mlx4_netdev_ops = { #ifdef CONFIG_NET_RX_BUSY_POLL .ndo_busy_poll = mlx4_en_low_latency_recv, #endif + .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, }; static const struct net_device_ops mlx4_netdev_ops_master = { @@ -2217,6 +2239,7 @@ static const struct net_device_ops mlx4_netdev_ops_master = { #ifdef CONFIG_RFS_ACCEL .ndo_rx_flow_steer = mlx4_en_filter_rfs, #endif + .ndo_get_phys_port_id = mlx4_en_get_phys_port_id, }; int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, |