[rt2x00-users] [RFC 1/3] rt2x00: configure tx queues for APs that do not support 802.11e

[Helmut Schaa]

On Wed, Mar 28, 2012 at 2:02 PM, Stanislaw Gruszka <sgruszka at redhat.com> wrote:
> Old APs, which do not support QOS, need to have old DCA rules
> configured for each EDCA tx queue.
>
> Patch configure 11g channel access rules for now, because it is not
> trivial to check if we operate on 11b only mode.

Shouldn't mac80211 just configure the queues accordingly?
Helmut

> Reported-by: Walter Goldens <goldenstranger at yahoo.com>
> Signed-off-by: Stanislaw Gruszka <sgruszka at redhat.com>
> ---
>  drivers/net/wireless/rt2x00/rt2x00mac.c |   20 ++++++++++++++++++++
>  1 files changed, 20 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c
> index 2df2eb6..f1b47d4 100644
> --- a/drivers/net/wireless/rt2x00/rt2x00mac.c
> +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c
> @@ -712,6 +712,26 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
>        }
>
>        /*
> +        * Check for access point which do not support 802.11e . We have to
> +        * configure for such AP the same old 802.11g/802.11b channel access
> +        * rules for each EDAC queue.
> +        */
> +       if (changes & BSS_CHANGED_QOS && !bss_conf->qos) {
> +               const struct ieee80211_tx_queue_params params = {
> +                       .cw_min = 15, /* FIXME 31 for 11b */
> +                       .cw_max = 1023,
> +                       .txop = 0,
> +                       .aifs = 2,
> +                       .uapsd = false,
> +               };
> +
> +               rt2x00dev->ops->hw->conf_tx(hw, NULL, 0, &params);
> +               rt2x00dev->ops->hw->conf_tx(hw, NULL, 1, &params);
> +               rt2x00dev->ops->hw->conf_tx(hw, NULL, 2, &params);
> +               rt2x00dev->ops->hw->conf_tx(hw, NULL, 3, &params);
> +       }
> +
> +       /*
>         * When the erp information has changed, we should perform
>         * additional configuration steps. For all other changes we are done.
>         */
> --
> 1.7.1
>
>
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