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From: Jakub Kicinski <kuba@kernel.org>
To: Saeed Mahameed <saeed@kernel.org>
Cc: "David S. Miller" <davem@davemloft.net>,
	Paolo Abeni <pabeni@redhat.com>,
	Eric Dumazet <edumazet@google.com>,
	Saeed Mahameed <saeedm@nvidia.com>,
	netdev@vger.kernel.org, Tariq Toukan <tariqt@nvidia.com>,
	Gal Pressman <gal@nvidia.com>,
	Leon Romanovsky <leonro@nvidia.com>
Subject: Re: [net 08/10] net/mlx5e: RSS, Unconfigure RXFH after changing channels number
Date: Tue, 20 Feb 2024 18:46:17 -0800	[thread overview]
Message-ID: <20240220184617.41b7de4f@kernel.org> (raw)
In-Reply-To: <20240220032948.35305-3-saeed@kernel.org>

On Mon, 19 Feb 2024 19:29:46 -0800 Saeed Mahameed wrote:
> +	/* Changing the channels number can affect the size of the RXFH indir table.
> +	 * Therefore, if the RXFH was previously configured,
> +	 * unconfigure it to ensure that the RXFH is reverted to a uniform table.
> +	 */
> +	rxfh_configured = netif_is_rxfh_configured(priv->netdev);
> +	if (rxfh_configured)
> +		priv->netdev->priv_flags &= ~IFF_RXFH_CONFIGURED;

The sole purpose of this flag is to prevent drivers from resetting
configuration set by the user. The user can:

	ethtool -X $ifc default

if they no longer care.

  reply	other threads:[~2024-02-21  2:46 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-19 18:23 [pull request][net 00/10] mlx5 fixes 2024-02-19 Saeed Mahameed
2024-02-19 18:23 ` [net 01/10] Revert "net/mlx5: Block entering switchdev mode with ns inconsistency" Saeed Mahameed
2024-02-19 18:23 ` [net 02/10] Revert "net/mlx5e: Check the number of elements before walk TC rhashtable" Saeed Mahameed
2024-02-19 18:23 ` [net 03/10] net/mlx5: E-switch, Change flow rule destination checking Saeed Mahameed
2024-02-19 18:23 ` [net 04/10] net/mlx5: Fix fw reporter diagnose output Saeed Mahameed
2024-02-19 18:23 ` [net 05/10] net/mlx5: Check capability for fw_reset Saeed Mahameed
2024-02-20  3:29 ` [net 06/10] net/mlx5e: Change the warning when ignore_flow_level is not supported Saeed Mahameed
2024-02-20  3:29 ` [net 07/10] net/mlx5e: Fix MACsec state loss upon state update in offload path Saeed Mahameed
2024-02-20  3:29 ` [net 08/10] net/mlx5e: RSS, Unconfigure RXFH after changing channels number Saeed Mahameed
2024-02-21  2:46   ` Jakub Kicinski [this message]
2024-02-21 19:55     ` Tariq Toukan
2024-02-20  3:29 ` [net 09/10] net/mlx5e: Use a memory barrier to enforce PTP WQ xmit submission tracking occurs after populating the metadata_map Saeed Mahameed
2024-02-20  3:29 ` [net 10/10] net/mlx5e: Switch to using _bh variant of of spinlock API in port timestamping NAPI poll context Saeed Mahameed

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