On Mon, 2008-03-03 at 10:52 +0100, Johannes Berg wrote:
> That's rather odd. ieee80211_channel_flags and HOSTAPD_CHAN_W_xx need
> not be compatible because in driver_nl80211.c, phy_info_handler(),
> they're translated into each other. What exactly is your setup?
Well, it (HOSTAPD_CHAN_W_SCAN) was removed somewhere after
driver_nl80211.c set it. I think it's a hostapd bug. Please take a look
at the hostapd_get_hw_features() function:
if ((feature->mode == HOSTAPD_MODE_IEEE80211G ||
feature->mode == HOSTAPD_MODE_IEEE80211B) &&
feature->channels[j].chan >= 1 &&
feature->channels[j].chan <= 11) {
power_level = 20;
feature->channels[j].flag |=
HOSTAPD_CHAN_W_SCAN;
} else
feature->channels[j].flag &=
~HOSTAPD_CHAN_W_SCAN;
Apparently, A channels all have this flag removed. What does this flag
stand for? I assume it stands for passive scan, right?
Thanks,
-yi
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