On Tue, Oct 5, 2010 at 2:55 AM, Bruno Randolf <b...@einfach.org> wrote: > This adds three new values to the survey results: > > * BUSY - percentage of time the channel was busy > * BUSY_TX - percentage of time spent transmitting frames > * BUSY_RX - percentage of time spent receiving frames > > They are defined to be a percentage of time, normalized to 255. That way they > match the Channel Utilization of the BSS Load IE of 802.11-2007, chapter > 7.3.2.28, in case we want to use that later. > > I admit that these three values are ath[59]k centric - it's what is available > there, and i don't know if other chipsets have similar information. > > Signed-off-by: Bruno Randolf <b...@einfach.org> > --- > include/linux/nl80211.h | 10 ++++++++++ > include/net/cfg80211.h | 6 ++++++ > net/wireless/nl80211.c | 9 +++++++++ > 3 files changed, 25 insertions(+), 0 deletions(-) > > diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h > index f0518b0..2cc74a2 100644 > --- a/include/linux/nl80211.h > +++ b/include/linux/nl80211.h > @@ -1400,6 +1400,13 @@ enum nl80211_reg_rule_flags { > * @__NL80211_SURVEY_INFO_INVALID: attribute number 0 is reserved > * @NL80211_SURVEY_INFO_FREQUENCY: center frequency of channel > * @NL80211_SURVEY_INFO_NOISE: noise level of channel (u8, dBm) > + * @NL80211_SURVEY_INFO_BUSY: channel busy ratio (u8, percentage of time, > + * normalized to 255 so it matches Channel Utilization of the BSS Load IE > + * of 802.11-2007 chapter 7.3.2.28)
Neat, so this could be used to help with roaming it seems.. Now as you noted this is defined pretty specifically on 802.11-2007 chapter 7.3.2.28. > + * @NL80211_SURVEY_INFO_BUSY_TX: percentage of time spent transmitting frames > + * (u8, percent 0-255, see above) But here you say look above, can you be more specific how this relates to 802.11-2007 chapter 7.3.2.28 ? > + * @NL80211_SURVEY_INFO_BUSY_RX: percentage of time spent receiving frames > + * (u8, percent 0-255, see above) Same here. Luis _______________________________________________ ath5k-devel mailing list ath5k-devel@lists.ath5k.org https://lists.ath5k.org/mailman/listinfo/ath5k-devel