netdev - Re: [PATCH v14 3/9] cfg80211: expose nl80211_chan_width_to

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Wed, 29 Nov 2023 11:26:29 -0600
From: Mario Limonciello <mario.limonciello@....com>
To: Ma Jun <Jun.Ma2@....com>, amd-gfx@...ts.freedesktop.org, lenb@...nel.org,
 hdegoede@...hat.com, johannes@...solutions.net, davem@...emloft.net,
 edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
 alexander.deucher@....com, Lijo.Lazar@....com, netdev@...r.kernel.org,
 linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-doc@...r.kernel.org, platform-driver-x86@...r.kernel.org
Cc: majun@....com, Evan Quan <quanliangl@...mail.com>
Subject: Re: [PATCH v14 3/9] cfg80211: expose nl80211_chan_width_to_mhz for
 wide sharing

On 11/29/2023 03:13, Ma Jun wrote:
> From: Evan Quan <quanliangl@...mail.com>
> 
> The newly added WBRF feature needs this interface for channel
> width calculation.
> 
> Signed-off-by: Ma Jun <Jun.Ma2@....com>
> Signed-off-by: Evan Quan <quanliangl@...mail.com>

I think the order should be the other way around for these SoB as 
"you're signing off on Evan's work".

Otherwise LGTM.

Reviewed-by: Mario Limonciello <mario.limonciello@....com>
> 
> --
> v8->v9:
>    - correct typo(Mhz -> MHz) (Johnson)
> v13:
>   - Fix the format issue (IIpo Jarvinen)
> ---
>   include/net/cfg80211.h | 9 +++++++++
>   net/wireless/chan.c    | 3 ++-
>   2 files changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
> index b137a33a1b68..08f0d7184167 100644
> --- a/include/net/cfg80211.h
> +++ b/include/net/cfg80211.h
> @@ -976,6 +976,15 @@ const struct cfg80211_chan_def *
>   cfg80211_chandef_compatible(const struct cfg80211_chan_def *chandef1,
>   			    const struct cfg80211_chan_def *chandef2);
>   
> +/**
> + * nl80211_chan_width_to_mhz - get the channel width in MHz
> + * @chan_width: the channel width from &enum nl80211_chan_width
> + *
> + * Return: channel width in MHz if the chan_width from &enum nl80211_chan_width
> + * is valid. -1 otherwise.
> + */
> +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width);
> +
>   /**
>    * cfg80211_chandef_valid - check if a channel definition is valid
>    * @chandef: the channel definition to check
> diff --git a/net/wireless/chan.c b/net/wireless/chan.c
> index 2d21e423abdb..dfb4893421d7 100644
> --- a/net/wireless/chan.c
> +++ b/net/wireless/chan.c
> @@ -141,7 +141,7 @@ static bool cfg80211_edmg_chandef_valid(const struct cfg80211_chan_def *chandef)
>   	return true;
>   }
>   
> -static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
> +int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
>   {
>   	int mhz;
>   
> @@ -190,6 +190,7 @@ static int nl80211_chan_width_to_mhz(enum nl80211_chan_width chan_width)
>   	}
>   	return mhz;
>   }
> +EXPORT_SYMBOL(nl80211_chan_width_to_mhz);
>   
>   static int cfg80211_chandef_get_width(const struct cfg80211_chan_def *c)
>   {