On Fri, Jan 7, 2011 at 10:30 PM, Galen <gal...@zinkconsulting.com> wrote:
> What is the status of true Greenfield support in ath9k with AR9002/AR9003?
>
> Basic tests with hostapd, ath9k, etc. seem to show that it is not working
> with AR9280. However, this could be a hardware or software (ath9k, mac80211,
> hostapd) issue.
>
> The key interest here is reducing the time overhead of the preamble / PLCP
> for each frame. Obviously, this is not appropriate in all situations, but for
> some, it can be useful.
>
> Can anybody clarify the status of this?
May be this might help
1.in init.c of ath9k IEEE80211_HT_CAP_GRN_FLD is not set.
ht_info->cap = IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
IEEE80211_HT_CAP_SM_PS |
IEEE80211_HT_CAP_SGI_40 |
IEEE80211_HT_CAP_DSSSCCK40;
2. ar9003_phy.c
/* turn off Green Field detection for STA for now */
phymode &= ~AR_PHY_GC_GF_DETECT_EN;
>
> -Galen
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