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authorGautam Kumar Shukla <gautams@broadcom.com>2014-12-23 18:55:19 +0300
committerJohannes Berg <johannes.berg@intel.com>2015-01-06 14:10:24 +0300
commitd75bb06b61cb69ee6223d791d3bb230e68623b20 (patch)
treea395b7335718bcafbd87275bb148169ed708666c /include/net/cfg80211.h
parent1803f594cbf9bb2e662ac945038113d0d0cc5e89 (diff)
downloadlinux-d75bb06b61cb69ee6223d791d3bb230e68623b20.tar.xz
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>
Diffstat (limited to 'include/net/cfg80211.h')
-rw-r--r--include/net/cfg80211.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index bd672ea08c9a..f38645fb83b9 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3016,6 +3016,8 @@ struct wiphy_vendor_command {
* @regulatory_flags: wiphy regulatory flags, see
* &enum ieee80211_regulatory_flags
* @features: features advertised to nl80211, see &enum nl80211_feature_flags.
+ * @ext_features: extended features advertised to nl80211, see
+ * &enum nl80211_ext_feature_index.
* @bss_priv_size: each BSS struct has private data allocated with it,
* this variable determines its size
* @max_scan_ssids: maximum number of SSIDs the device can scan for in
@@ -3125,6 +3127,7 @@ struct wiphy {
u16 max_acl_mac_addrs;
u32 flags, regulatory_flags, features;
+ u8 ext_features[DIV_ROUND_UP(NUM_NL80211_EXT_FEATURES, 8)];
u32 ap_sme_capa;
@@ -5052,6 +5055,42 @@ void cfg80211_stop_iface(struct wiphy *wiphy, struct wireless_dev *wdev,
*/
void cfg80211_shutdown_all_interfaces(struct wiphy *wiphy);
+/**
+ * wiphy_ext_feature_set - set the extended feature flag
+ *
+ * @wiphy: the wiphy to modify.
+ * @ftidx: extended feature bit index.
+ *
+ * The extended features are flagged in multiple bytes (see
+ * &struct wiphy.@ext_features)
+ */
+static inline void wiphy_ext_feature_set(struct wiphy *wiphy,
+ enum nl80211_ext_feature_index ftidx)
+{
+ u8 *ft_byte;
+
+ ft_byte = &wiphy->ext_features[ftidx / 8];
+ *ft_byte |= BIT(ftidx % 8);
+}
+
+/**
+ * wiphy_ext_feature_isset - check the extended feature flag
+ *
+ * @wiphy: the wiphy to modify.
+ * @ftidx: extended feature bit index.
+ *
+ * The extended features are flagged in multiple bytes (see
+ * &struct wiphy.@ext_features)
+ */
+static inline bool
+wiphy_ext_feature_isset(struct wiphy *wiphy,
+ enum nl80211_ext_feature_index ftidx)
+{
+ u8 ft_byte;
+
+ ft_byte = wiphy->ext_features[ftidx / 8];
+ return (ft_byte & BIT(ftidx % 8)) != 0;
+}
/* ethtool helper */
void cfg80211_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info);