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mac80211: define TDLS wider BW support bits

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Allow a device to specify support for the TDLS wider-bandwidth feature.
Indicate this support during TDLS setup in the ext-capab IE and set an
appropriate station flag when our TDLS peer supports it.
This feature gives TDLS peers the ability to use a wider channel than
the base width of the BSS. For instance VHT capable TDLS peers connected
on a 20MHz channel can extend the channel to 80MHz, if regulatory
considerations allow it.

Do not cap the bandwidth of such stations by the current BSS channel width
in mac80211.

Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Arik Nemtsov
2015-06-10 20:42:59 +03:00
committed by Johannes Berg
parent 7584f88f9e
commit b98fb44ffc
6 changed files with 33 additions and 7 deletions
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4
include/net/mac80211.h
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@@ -1887,6 +1887,9 @@ struct ieee80211_txq {
* @IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS: The HW supports scanning on all bands
* in one command, mac80211 doesn't have to run separate scans per band.
*
* @IEEE80211_HW_TDLS_WIDER_BW: The device/driver supports wider bandwidth
* than then BSS bandwidth for a TDLS link on the base channel.
*
* @NUM_IEEE80211_HW_FLAGS: number of hardware flags, used for sizing arrays
*/
enum ieee80211_hw_flags {
@@ -1919,6 +1922,7 @@ enum ieee80211_hw_flags {
IEEE80211_HW_CHANCTX_STA_CSA,
IEEE80211_HW_SUPPORTS_CLONED_SKBS,
IEEE80211_HW_SINGLE_SCAN_ON_ALL_BANDS,
IEEE80211_HW_TDLS_WIDER_BW,
/* keep last, obviously */
NUM_IEEE80211_HW_FLAGS