linux-kernel - Re: [PATCH v2 04/16] wl1251: implement hardware ARP filtering

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Message-ID: <20131210092916.GD22756@amd.pavel.ucw.cz>
Date:	Tue, 10 Dec 2013 10:29:16 +0100
From:	Pavel Machek <pavel@....cz>
To:	Pali Rohár <pali.rohar@...il.com>
Cc:	Luciano Coelho <luca@...lho.fi>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, freemangordon@....bg,
	aaro.koskinen@....fi, sre@...g0.de, joni.lapilainen@...il.com,
	Johannes Berg <johannes@...solutions.net>,
	Felipe Contreras <felipe.contreras@...il.com>,
	David Gnedt <david.gnedt@...izone.at>
Subject: Re: [PATCH v2 04/16] wl1251: implement hardware ARP filtering

Hi!

> Update hardware ARP filter configuration on BSS_CHANGED_ARP_FILTER
> notification from mac80211.
> Ported from wl1271 driver.
> 
> Signed-off-by: David Gnedt <david.gnedt@...izone.at>
> Signed-off-by: Pali Rohár <pali.rohar@...il.com>
> ---
>  drivers/net/wireless/ti/wl1251/acx.c  |   26 ++++++++++++++++++++++++++
>  drivers/net/wireless/ti/wl1251/acx.h  |   15 +++++++++++++++
>  drivers/net/wireless/ti/wl1251/main.c |   12 ++++++++++++
>  3 files changed, 53 insertions(+)
> 
> diff --git a/drivers/net/wireless/ti/wl1251/acx.c b/drivers/net/wireless/ti/wl1251/acx.c
> index cce50e2..5f4a552 100644
> --- a/drivers/net/wireless/ti/wl1251/acx.c
> +++ b/drivers/net/wireless/ti/wl1251/acx.c
> @@ -1062,6 +1062,32 @@ out:
>  	return ret;
>  }
>  
> +int wl1251_acx_arp_ip_filter(struct wl1251 *wl, bool enable, __be32 address)
> +{
> +	struct wl1251_acx_arp_filter *acx;
> +	int ret;

Is it good idea to use be32 for IP address? AFAICT IPv4 addresses
really don't have edianity. Perhaps u32 is better?

> +	if (enable)
> +		memcpy(acx->address, &address, ACX_IPV4_ADDR_SIZE);

acx->address is an array of u8, so no endianity there, either.
									Pavel
-- 
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