diff options
| author |   Jakub Kicinski <kuba@kernel.org> | 2021-10-04 12:14:45 -0700 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2021-10-05 13:15:35 +0100 |
| commit | e04ffd120f3c9818e56fc16f88d715508d7cd283 (patch) | |
| tree | a79af90b0d9572bc376c7e4e5ef63604dae493d5 | |
| parent | mlx4: replace mlx4_u64_to_mac() with u64_to_ether_addr() (diff) | |
| download | linux-dev-e04ffd120f3c9818e56fc16f88d715508d7cd283.tar.xz linux-dev-e04ffd120f3c9818e56fc16f88d715508d7cd283.zip | |
mlx4: remove custom dev_addr clearing
mlx4_en_u64_to_mac() takes the dev->dev_addr pointer and writes
to it byte by byte. It also clears the two bytes _after_ ETH_ALEN
which seems unnecessary. dev->addr_len is set to ETH_ALEN just
before the call.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_netdev.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c index 76c8fe8e0125..dce228170b14 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_netdev.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_netdev.c @@ -527,14 +527,12 @@ static int mlx4_en_vlan_rx_kill_vid(struct net_device *dev, return err; } -static void mlx4_en_u64_to_mac(unsigned char dst_mac[ETH_ALEN + 2], u64 src_mac) +static void mlx4_en_u64_to_mac(struct net_device *dev, u64 src_mac) { - int i; - for (i = ETH_ALEN - 1; i >= 0; --i) { - dst_mac[i] = src_mac & 0xff; - src_mac >>= 8; - } - memset(&dst_mac[ETH_ALEN], 0, 2); + u8 addr[ETH_ALEN]; + + u64_to_ether_addr(src_mac, addr); + eth_hw_addr_set(dev, addr); } @@ -3267,7 +3265,7 @@ int mlx4_en_init_netdev(struct mlx4_en_dev *mdev, int port, /* Set default MAC */ dev->addr_len = ETH_ALEN; - mlx4_en_u64_to_mac(dev->dev_addr, mdev->dev->caps.def_mac[priv->port]); + mlx4_en_u64_to_mac(dev, mdev->dev->caps.def_mac[priv->port]); if (!is_valid_ether_addr(dev->dev_addr)) { en_err(priv, "Port: %d, invalid mac burned: %pM, quitting\n", priv->port, dev->dev_addr); |