diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c | 60 |
1 files changed, 30 insertions, 30 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c index c7c1b667b..93461b0c5 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c +++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c @@ -451,6 +451,23 @@ int mlx5e_ethtool_set_channels(struct mlx5e_priv *priv, mutex_lock(&priv->state_lock); + /* If RXFH is configured, changing the channels number is allowed only if + * it does not require resizing the RSS table. This is because the previous + * configuration may no longer be compatible with the new RSS table. + */ + if (netif_is_rxfh_configured(priv->netdev)) { + int cur_rqt_size = mlx5e_rqt_size(priv->mdev, cur_params->num_channels); + int new_rqt_size = mlx5e_rqt_size(priv->mdev, count); + + if (new_rqt_size != cur_rqt_size) { + err = -EINVAL; + netdev_err(priv->netdev, + "%s: RXFH is configured, block changing channels number that affects RSS table size (new: %d, current: %d)\n", + __func__, new_rqt_size, cur_rqt_size); + goto out; + } + } + /* Don't allow changing the number of channels if HTB offload is active, * because the numeration of the QoS SQs will change, while per-queue * qdiscs are attached. @@ -1262,27 +1279,29 @@ static u32 mlx5e_get_rxfh_indir_size(struct net_device *netdev) return mlx5e_ethtool_get_rxfh_indir_size(priv); } -static int mlx5e_get_rxfh_context(struct net_device *dev, u32 *indir, - u8 *key, u8 *hfunc, u32 rss_context) +int mlx5e_get_rxfh(struct net_device *netdev, struct ethtool_rxfh_param *rxfh) { - struct mlx5e_priv *priv = netdev_priv(dev); + struct mlx5e_priv *priv = netdev_priv(netdev); + u32 rss_context = rxfh->rss_context; int err; mutex_lock(&priv->state_lock); - err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, indir, key, hfunc); + err = mlx5e_rx_res_rss_get_rxfh(priv->rx_res, rss_context, + rxfh->indir, rxfh->key, &rxfh->hfunc); mutex_unlock(&priv->state_lock); return err; } -static int mlx5e_set_rxfh_context(struct net_device *dev, const u32 *indir, - const u8 *key, const u8 hfunc, - u32 *rss_context, bool delete) +int mlx5e_set_rxfh(struct net_device *dev, struct ethtool_rxfh_param *rxfh, + struct netlink_ext_ack *extack) { struct mlx5e_priv *priv = netdev_priv(dev); + u32 *rss_context = &rxfh->rss_context; + u8 hfunc = rxfh->hfunc; int err; mutex_lock(&priv->state_lock); - if (delete) { + if (*rss_context && rxfh->rss_delete) { err = mlx5e_rx_res_rss_destroy(priv->rx_res, *rss_context); goto unlock; } @@ -1295,7 +1314,8 @@ static int mlx5e_set_rxfh_context(struct net_device *dev, const u32 *indir, goto unlock; } - err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, indir, key, + err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, *rss_context, + rxfh->indir, rxfh->key, hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc); unlock: @@ -1303,25 +1323,6 @@ unlock: return err; } -int mlx5e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, - u8 *hfunc) -{ - return mlx5e_get_rxfh_context(netdev, indir, key, hfunc, 0); -} - -int mlx5e_set_rxfh(struct net_device *dev, const u32 *indir, - const u8 *key, const u8 hfunc) -{ - struct mlx5e_priv *priv = netdev_priv(dev); - int err; - - mutex_lock(&priv->state_lock); - err = mlx5e_rx_res_rss_set_rxfh(priv->rx_res, 0, indir, key, - hfunc == ETH_RSS_HASH_NO_CHANGE ? NULL : &hfunc); - mutex_unlock(&priv->state_lock); - return err; -} - #define MLX5E_PFC_PREVEN_AUTO_TOUT_MSEC 100 #define MLX5E_PFC_PREVEN_TOUT_MAX_MSEC 8000 #define MLX5E_PFC_PREVEN_MINOR_PRECENT 85 @@ -2398,6 +2399,7 @@ static void mlx5e_get_rmon_stats(struct net_device *netdev, } const struct ethtool_ops mlx5e_ethtool_ops = { + .cap_rss_ctx_supported = true, .supported_coalesce_params = ETHTOOL_COALESCE_USECS | ETHTOOL_COALESCE_MAX_FRAMES | ETHTOOL_COALESCE_USE_ADAPTIVE | @@ -2420,8 +2422,6 @@ const struct ethtool_ops mlx5e_ethtool_ops = { .get_rxfh_indir_size = mlx5e_get_rxfh_indir_size, .get_rxfh = mlx5e_get_rxfh, .set_rxfh = mlx5e_set_rxfh, - .get_rxfh_context = mlx5e_get_rxfh_context, - .set_rxfh_context = mlx5e_set_rxfh_context, .get_rxnfc = mlx5e_get_rxnfc, .set_rxnfc = mlx5e_set_rxnfc, .get_tunable = mlx5e_get_tunable, |