netdev - Re: [PATCH net-next v2 1/3] netdevsim: Introduce support for L3 offload xstats

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Message-ID: <20220311170948.613fd09c@kicinski-fedora-pc1c0hjn.dhcp.thefacebook.com>
Date:   Fri, 11 Mar 2022 17:09:48 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Petr Machata <petrm@...dia.com>
Cc:     <netdev@...r.kernel.org>, "David S. Miller" <davem@...emloft.net>,
        Ido Schimmel <idosch@...dia.com>
Subject: Re: [PATCH net-next v2 1/3] netdevsim: Introduce support for L3
 offload xstats

On Fri, 11 Mar 2022 15:41:22 +0100 Petr Machata wrote:
> +static const struct file_operations nsim_dev_hwstats_generic_fops = {
> +	.open = simple_open,
> +	.write = nsim_dev_hwstats_do_write,
> +	.llseek = generic_file_llseek,
> +	.owner = THIS_MODULE,
> +};
> +
> +static const struct nsim_dev_hwstats_fops nsim_dev_hwstats_l3_disable_fops = {
> +	.fops = nsim_dev_hwstats_generic_fops,
> +	.action = NSIM_DEV_HWSTATS_DO_DISABLE,
> +	.type = NETDEV_OFFLOAD_XSTATS_TYPE_L3,
> +};
> +
> +static const struct nsim_dev_hwstats_fops nsim_dev_hwstats_l3_enable_fops = {
> +	.fops = nsim_dev_hwstats_generic_fops,
> +	.action = NSIM_DEV_HWSTATS_DO_ENABLE,
> +	.type = NETDEV_OFFLOAD_XSTATS_TYPE_L3,
> +};
> +
> +static const struct nsim_dev_hwstats_fops nsim_dev_hwstats_l3_fail_fops = {
> +	.fops = nsim_dev_hwstats_generic_fops,
> +	.action = NSIM_DEV_HWSTATS_DO_FAIL,
> +	.type = NETDEV_OFFLOAD_XSTATS_TYPE_L3,
> +};

clang is not on board :(

drivers/net/netdevsim/hwstats.c:404:10: error: initializer element is not a compile-time constant
        .fops = nsim_dev_hwstats_generic_fops,