cfg80211: add extensible feature flag attribute

With the wiphy::features flag being used up this patch adds a
new field wiphy::ext_features. Considering extensibility this
new field is declared as a byte array. This extensible flag is
exposed to user-space by NL80211_ATTR_EXT_FEATURES.

Cc: Avinash Patil <patila@marvell.com>
Signed-off-by: Gautam (Gautam Kumar) Shukla <gautams@broadcom.com>
Signed-off-by: Arend van Spriel <arend@broadcom.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Gautam Kumar Shukla 2014-12-23 16:55:19 +01:00 committed by Johannes Berg
commit d75bb06b61
3 changed files with 66 additions and 0 deletions

View file

@ -1713,6 +1713,13 @@ enum nl80211_commands {
* obtained from it is coming from the device's wiphy and not the global
* cfg80211 regdomain.
*
* @NL80211_ATTR_EXT_FEATURES: extended feature flags contained in a byte
* array. The feature flags are identified by their bit index (see &enum
* nl80211_ext_feature_index). The bit index is ordered starting at the
* least-significant bit of the first byte in the array, ie. bit index 0
* is located at bit 0 of byte 0. bit index 25 would be located at bit 1
* of byte 3 (u8 array).
*
* @NUM_NL80211_ATTR: total number of nl80211_attrs available
* @NL80211_ATTR_MAX: highest attribute number currently defined
* @__NL80211_ATTR_AFTER_LAST: internal use
@ -2072,6 +2079,8 @@ enum nl80211_attrs {
NL80211_ATTR_WIPHY_SELF_MANAGED_REG,
NL80211_ATTR_EXT_FEATURES,
/* add attributes here, update the policy in nl80211.c */
__NL80211_ATTR_AFTER_LAST,
@ -4223,6 +4232,19 @@ enum nl80211_feature_flags {
NL80211_FEATURE_ND_RANDOM_MAC_ADDR = 1 << 31,
};
/**
* enum nl80211_ext_feature_index - bit index of extended features.
*
* @NUM_NL80211_EXT_FEATURES: number of extended features.
* @MAX_NL80211_EXT_FEATURES: highest extended feature index.
*/
enum nl80211_ext_feature_index {
/* add new features before the definition below */
NUM_NL80211_EXT_FEATURES,
MAX_NL80211_EXT_FEATURES = NUM_NL80211_EXT_FEATURES - 1
};
/**
* enum nl80211_probe_resp_offload_support_attr - optional supported
* protocols for probe-response offloading by the driver/FW.