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cfg80211: advertise extended capabilities to userspace

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In many cases, userspace may need to know which of the
802.11 extended capabilities ("Extended Capabilities
element") are implemented in the driver or device, to
include them e.g. in beacons, assoc request/response
or other frames. Add a new nl80211 attribute to hold
the extended capabilities bitmap for this.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2013-02-11 14:20:05 +01:00
parent af0ed69bad
commit a50df0c4c0
3 changed files with 29 additions and 0 deletions
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9
include/uapi/linux/nl80211.h
View file

@ -1355,6 +1355,12 @@ enum nl80211_commands {
* @NL80211_ATTR_RADAR_EVENT: Type of radar event for notification to userspace,
* contains a value of enum nl80211_radar_event (u32).
*
* @NL80211_ATTR_EXT_CAPA: 802.11 extended capabilities that the kernel driver
* has and handles. The format is the same as the IE contents. See
* 802.11-2012 8.4.2.29 for more information.
* @NL80211_ATTR_EXT_CAPA_MASK: Extended capabilities that the kernel driver
* has set in the %NL80211_ATTR_EXT_CAPA value, for multibit fields.
*
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
*/
@ -1635,6 +1641,9 @@ enum nl80211_attrs {
NL80211_ATTR_RADAR_EVENT,
NL80211_ATTR_EXT_CAPA,
NL80211_ATTR_EXT_CAPA_MASK,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,