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net/mlx5e: Fix compatibility issue with ethtool flash device

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Cited patch deleted ethtool flash device support, as ethtool core can
fallback into devlink flash callback. However, this is supported only if
there is a devlink port registered over the corresponding netdevice.

As mlx5e do not have devlink port support over native netdevice, it broke
the ability to flash device via ethtool.

This patch re-add the ethtool callback to avoid user functionality breakage
when trying to flash device via ethtool.

Fixes: 9c8bca2637 ("mlx5: Move firmware flash implementation to devlink")
Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eran Ben Elisha 2019-08-01 14:27:30 +03:00 committed by Saeed Mahameed
parent e0d57d9c7e
commit f43d48d10a
3 changed files with 46 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -1105,6 +1105,8 @@ u32 mlx5e_ethtool_get_rxfh_key_size(struct mlx5e_priv *priv);
u32 mlx5e_ethtool_get_rxfh_indir_size(struct mlx5e_priv *priv);
int mlx5e_ethtool_get_ts_info(struct mlx5e_priv *priv,
struct ethtool_ts_info *info);
int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
struct ethtool_flash *flash);
void mlx5e_ethtool_get_pauseparam(struct mlx5e_priv *priv,
struct ethtool_pauseparam *pauseparam);
int mlx5e_ethtool_set_pauseparam(struct mlx5e_priv *priv,

35
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
View File

@ -1690,6 +1690,40 @@ static int mlx5e_get_module_eeprom(struct net_device *netdev,
return 0;
}
int mlx5e_ethtool_flash_device(struct mlx5e_priv *priv,
struct ethtool_flash *flash)
{
struct mlx5_core_dev *mdev = priv->mdev;
struct net_device *dev = priv->netdev;
const struct firmware *fw;
int err;
if (flash->region != ETHTOOL_FLASH_ALL_REGIONS)
return -EOPNOTSUPP;
err = request_firmware_direct(&fw, flash->data, &dev->dev);
if (err)
return err;
dev_hold(dev);
rtnl_unlock();
err = mlx5_firmware_flash(mdev, fw, NULL);
release_firmware(fw);
rtnl_lock();
dev_put(dev);
return err;
}
static int mlx5e_flash_device(struct net_device *dev,
struct ethtool_flash *flash)
{
struct mlx5e_priv *priv = netdev_priv(dev);
return mlx5e_ethtool_flash_device(priv, flash);
}
static int set_pflag_cqe_based_moder(struct net_device *netdev, bool enable,
bool is_rx_cq)
{
@ -1972,6 +2006,7 @@ const struct ethtool_ops mlx5e_ethtool_ops = {
.set_wol = mlx5e_set_wol,
.get_module_info = mlx5e_get_module_info,
.get_module_eeprom = mlx5e_get_module_eeprom,
.flash_device = mlx5e_flash_device,
.get_priv_flags = mlx5e_get_priv_flags,
.set_priv_flags = mlx5e_set_priv_flags,
.self_test = mlx5e_self_test,

9
drivers/net/ethernet/mellanox/mlx5/core/ipoib/ethtool.c
View File

@ -122,6 +122,14 @@ static int mlx5i_get_ts_info(struct net_device *netdev,
return mlx5e_ethtool_get_ts_info(priv, info);
}
static int mlx5i_flash_device(struct net_device *netdev,
struct ethtool_flash *flash)
{
struct mlx5e_priv *priv = mlx5i_epriv(netdev);
return mlx5e_ethtool_flash_device(priv, flash);
}
enum mlx5_ptys_width {
MLX5_PTYS_WIDTH_1X = 1 << 0,
MLX5_PTYS_WIDTH_2X = 1 << 1,
@ -233,6 +241,7 @@ const struct ethtool_ops mlx5i_ethtool_ops = {
.get_ethtool_stats = mlx5i_get_ethtool_stats,
.get_ringparam = mlx5i_get_ringparam,
.set_ringparam = mlx5i_set_ringparam,
.flash_device = mlx5i_flash_device,
.get_channels = mlx5i_get_channels,
.set_channels = mlx5i_set_channels,
.get_coalesce = mlx5i_get_coalesce,