On Wed, Nov 02, 2016 at 03:11:00PM +0100, Stanislaw Gruszka wrote:
> We can calculate BA window size (max number of pending frames not
> yet block acked) of remote station using Maximum A-MPDU length factor
> for that station.
>
> Signed-off-by: Stanislaw Gruszka <sgruszka@xxxxxxxxxx>
Kalle, please drop this patch from the set, it requires some rework.
Thanks
Stanislaw
> ---
> drivers/net/wireless/ralink/rt2x00/rt2x00queue.c | 15 ++++++++++-----
> 1 files changed, 10 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
> index 68b620b..9da89e3 100644
> --- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
> +++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
> @@ -305,14 +305,19 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
> struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
> struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0];
> struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
> - struct rt2x00_sta *sta_priv = NULL;
> + u8 ba_size = 0;
>
> if (sta) {
> - txdesc->u.ht.mpdu_density =
> - sta->ht_cap.ampdu_density;
> + struct rt2x00_sta *sta_priv = sta_to_rt2x00_sta(sta);
>
> - sta_priv = sta_to_rt2x00_sta(sta);
> + txdesc->u.ht.mpdu_density = sta->ht_cap.ampdu_density;
> txdesc->u.ht.wcid = sta_priv->wcid;
> +
> + if (!(tx_info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE)) {
> + ba_size = IEEE80211_MIN_AMPDU_BUF;
> + ba_size <<= sta->ht_cap.ampdu_factor;
> + ba_size = min_t(int, 63, ba_size - 1);
> + }
> }
>
> /*
> @@ -345,7 +350,7 @@ static void rt2x00queue_create_tx_descriptor_ht(struct rt2x00_dev *rt2x00dev,
> return;
> }
>
> - txdesc->u.ht.ba_size = 7; /* FIXME: What value is needed? */
> + txdesc->u.ht.ba_size = ba_size;
>
> /*
> * Only one STBC stream is supported for now.
> --
> 1.7.1
>
