On Monday, February 11, 2013 02:36:05 PM Felix Fietkau wrote:
> When MCS rates start to get bad in 2.4 GHz because of long range or
> strong interference, CCK rates can be a lot more robust.
>
> This patch adds a pseudo MCS group containing CCK rates (long preamble
> in the lower 4 slots, short preamble in the upper slots).
>
> Signed-off-by: Felix Fietkau <nbd@xxxxxxxxxxx>
> ---
> static void
> +minstrel_ht_update_cck(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
> + struct ieee80211_supported_band *sband,
> + struct ieee80211_sta *sta)
> +{
> + int i;
> +
> + if (sband->band != IEEE80211_BAND_2GHZ)
> + return;
> +
> + mi->cck_supported = 0;
> + mi->cck_supported_short = 0;
> + for (i = 0; i < 4; i++) {
> + if (!rate_supported(sta, sband->band, mp->cck_rates[i]))
> + continue;
Don't we need to check if the receiver (and the minstrel_ht sender)
supports IEEE80211_HT_CAP_DSSSCCK40 when the phy is in HT40+/- mode?
Regards,
Christian
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