netdev - Re: [PATCH net 6/8] net/mlx5e: Properly match IPsec subnet addresses

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Message-ID: <ee18ca51-fe6a-456b-9466-39e81d484e66@intel.com>
Date: Mon, 13 Jan 2025 11:07:03 -0800
From: Jacob Keller <jacob.e.keller@...el.com>
To: Tariq Toukan <tariqt@...dia.com>, "David S. Miller" <davem@...emloft.net>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, "Eric
 Dumazet" <edumazet@...gle.com>, Andrew Lunn <andrew+netdev@...n.ch>
CC: <netdev@...r.kernel.org>, Saeed Mahameed <saeedm@...dia.com>, Gal Pressman
	<gal@...dia.com>, Leon Romanovsky <leonro@...dia.com>, Mark Bloch
	<mbloch@...dia.com>, Moshe Shemesh <moshe@...dia.com>
Subject: Re: [PATCH net 6/8] net/mlx5e: Properly match IPsec subnet addresses



On 1/13/2025 7:40 AM, Tariq Toukan wrote:
> +static void addr4_to_mask(__be32 *addr, __be32 *mask)
> +{
> +	int i;
> +
> +	*mask = 0;
> +	for (i = 0; i < 4; i++)
> +		*mask |= ((*addr >> 8 * i) & 0xFF) ? (0xFF << 8 * i) : 0;
> +}
> +

I'm surprised this isn't already a common helper function.