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net/mlx4_en: Save previous MAC address of the port so we can replace it later

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In preparation to having more than one unicast MAC per port, we need to keep track
of the previous MAC address in the flow of ndo_set_mac_address,
so that mlx4_en_replace_mac will know what to replace.

Signed-off-by: Yan Burman <yanb@mellanox.com>
Signed-off-by: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yan Burman 2013-02-07 02:25:24 +00:00 committed by David S. Miller
parent 0eb74fdda4
commit 90bbb74af6
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/mellanox/mlx4/en_netdev.c
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@ -591,7 +591,7 @@ static void mlx4_en_put_qp(struct mlx4_en_priv *priv)
}
static int mlx4_en_replace_mac(struct mlx4_en_priv *priv, int qpn,
unsigned char *new_mac)
unsigned char *new_mac, unsigned char *prev_mac)
{
struct mlx4_en_dev *mdev = priv->mdev;
struct mlx4_dev *dev = mdev->dev;
@ -657,7 +657,7 @@ static void mlx4_en_do_set_mac(struct work_struct *work)
if (priv->port_up) {
/* Remove old MAC and insert the new one */
err = mlx4_en_replace_mac(priv, priv->base_qpn,
priv->dev->dev_addr);
priv->dev->dev_addr, priv->prev_mac);
if (err)
en_err(priv, "Failed changing HW MAC address\n");
memcpy(priv->prev_mac, priv->dev->dev_addr,