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Re: [PATCH] mac80211: Update last_tx_rate only for data frames

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On Wed, Dec 1, 2010 at 4:48 PM, Helmut Schaa
<helmut.schaa@xxxxxxxxxxxxxx> wrote:
> The last_tx_rate field was also updated for non-data frames that are
> often sent with a lower rate (for example management frames at 1 Mbps).
> This is confusing when the data rate is actually much higher.
>
> Hence, only update the last_tx_rate field with tx rate information
> gathered from the last data frames.
Hi Helmut,
            I have a doubt,ideally should not this be taken care by the driver ?
thanks,
shafi
>
> Cc: Johannes Berg <johannes@xxxxxxxxxxxxxxxx>
> Signed-off-by: Helmut Schaa <helmut.schaa@xxxxxxxxxxxxxx>
> ---
>
> Not sure if there are any reasons why somebody would like to see the "real"
> last tx rate including management frames?
>
>  net/mac80211/tx.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
> index e694836..f753081 100644
> --- a/net/mac80211/tx.c
> +++ b/net/mac80211/tx.c
> @@ -669,7 +669,7 @@ ieee80211_tx_h_rate_ctrl(struct ieee80211_tx_data *tx)
>        if (txrc.reported_rate.idx < 0)
>                txrc.reported_rate = info->control.rates[0];
>
> -       if (tx->sta)
> +       if (tx->sta && ieee80211_is_data(hdr->frame_control))
>                tx->sta->last_tx_rate = txrc.reported_rate;
>
>        if (unlikely(!info->control.rates[0].count))
> --
> 1.7.1
>
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