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nl80211/cfg80211: add VHT MCS support

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Add support for reporting and calculating VHT MCSes.

Note that I'm not completely sure that the bitrate
calculations are correct, nor that they can't be
simplified.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2012-11-09 14:56:41 +01:00
commit db9c64cf8d
4 changed files with 144 additions and 24 deletions
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12
include/uapi/linux/nl80211.h
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@ -1734,10 +1734,15 @@ struct nl80211_sta_flag_update {
* @__NL80211_RATE_INFO_INVALID: attribute number 0 is reserved
* @NL80211_RATE_INFO_BITRATE: total bitrate (u16, 100kbit/s)
* @NL80211_RATE_INFO_MCS: mcs index for 802.11n (u8)
* @NL80211_RATE_INFO_40_MHZ_WIDTH: 40 Mhz dualchannel bitrate
* @NL80211_RATE_INFO_40_MHZ_WIDTH: 40 MHz dualchannel bitrate
* @NL80211_RATE_INFO_SHORT_GI: 400ns guard interval
* @NL80211_RATE_INFO_BITRATE32: total bitrate (u32, 100kbit/s)
* @NL80211_RATE_INFO_MAX: highest rate_info number currently defined
* @NL80211_RATE_INFO_VHT_MCS: MCS index for VHT (u8)
* @NL80211_RATE_INFO_VHT_NSS: number of streams in VHT (u8)
* @NL80211_RATE_INFO_80_MHZ_WIDTH: 80 MHz VHT rate
* @NL80211_RATE_INFO_80P80_MHZ_WIDTH: 80+80 MHz VHT rate
* @NL80211_RATE_INFO_160_MHZ_WIDTH: 160 MHz VHT rate
* @__NL80211_RATE_INFO_AFTER_LAST: internal use
*/
enum nl80211_rate_info {
@ -1747,6 +1752,11 @@ enum nl80211_rate_info {
NL80211_RATE_INFO_40_MHZ_WIDTH,
NL80211_RATE_INFO_SHORT_GI,
NL80211_RATE_INFO_BITRATE32,
NL80211_RATE_INFO_VHT_MCS,
NL80211_RATE_INFO_VHT_NSS,
NL80211_RATE_INFO_80_MHZ_WIDTH,
NL80211_RATE_INFO_80P80_MHZ_WIDTH,
NL80211_RATE_INFO_160_MHZ_WIDTH,
/* keep last */
__NL80211_RATE_INFO_AFTER_LAST,