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net/mlx5e: Use extack in set coalesce callback

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In case of errors in set coalesce, reflect it through extack instead of
a dmesg print.
While at it, make the messages more human friendly.

Signed-off-by: Gal Pressman <gal@nvidia.com>
Reviewed-by: Cosmin Ratiu <cratiu@nvidia.com>
Signed-off-by: Tariq Toukan <tariqt@nvidia.com>
Link: https://patch.msgid.link/20240808055927.2059700-9-tariqt@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Gal Pressman 2024-08-08 08:59:24 +03:00 committed by Jakub Kicinski
parent 29a943d71d
commit 9c4298b466
1 changed files with 14 additions and 6 deletions
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20
drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
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@ -699,26 +699,34 @@ int mlx5e_ethtool_set_coalesce(struct mlx5e_priv *priv,
int err = 0;
if (!MLX5_CAP_GEN(mdev, cq_moderation) ||
!MLX5_CAP_GEN(mdev, cq_period_mode_modify))
!MLX5_CAP_GEN(mdev, cq_period_mode_modify)) {
NL_SET_ERR_MSG_MOD(extack, "CQ moderation not supported");
return -EOPNOTSUPP;
}
if (coal->tx_coalesce_usecs > MLX5E_MAX_COAL_TIME ||
coal->rx_coalesce_usecs > MLX5E_MAX_COAL_TIME) {
netdev_info(priv->netdev, "%s: maximum coalesce time supported is %lu usecs\n",
__func__, MLX5E_MAX_COAL_TIME);
NL_SET_ERR_MSG_FMT_MOD(
extack,
"Max coalesce time %lu usecs, tx-usecs (%u) rx-usecs (%u)",
MLX5E_MAX_COAL_TIME, coal->tx_coalesce_usecs,
coal->rx_coalesce_usecs);
return -ERANGE;
}
if (coal->tx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES ||
coal->rx_max_coalesced_frames > MLX5E_MAX_COAL_FRAMES) {
netdev_info(priv->netdev, "%s: maximum coalesced frames supported is %lu\n",
__func__, MLX5E_MAX_COAL_FRAMES);
NL_SET_ERR_MSG_FMT_MOD(
extack,
"Max coalesce frames %lu, tx-frames (%u) rx-frames (%u)",
MLX5E_MAX_COAL_FRAMES, coal->tx_max_coalesced_frames,
coal->rx_max_coalesced_frames);
return -ERANGE;
}
if ((kernel_coal->use_cqe_mode_rx || kernel_coal->use_cqe_mode_tx) &&
!MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) {
NL_SET_ERR_MSG_MOD(extack, "cqe_mode_rx/tx is not supported on this device");
NL_SET_ERR_MSG_MOD(extack, "cqe-mode-rx/tx is not supported on this device");
return -EOPNOTSUPP;
}