mac80211/cfg80211: HT capabilities for NEW_STA

Allow userspace (e.g., hostapd) to set HT capabilities for associated
STAs. This is based on a patch from Zhu Yi <yi.zhu@intel.com> (only
the NL80211_ATTR_HT_CAPABILITY for NEW_STA part is included here).

Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h
index 447c02a5190e..0c1147de3ec7 100644
--- a/include/linux/nl80211.h
+++ b/include/linux/nl80211.h
@@ -207,6 +207,9 @@ enum nl80211_commands {
  * @NL80211_ATTR_BSS_SHORT_SLOT_TIME: whether short slot time enabled
  *      (u8, 0 or 1)
  *
+ * @NL80211_ATTR_HT_CAPABILITY: HT Capability information element (from
+ *      association request when used with NL80211_CMD_NEW_STATION)
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -254,16 +257,25 @@ enum nl80211_attrs {
         NL80211_ATTR_BSS_SHORT_PREAMBLE,
         NL80211_ATTR_BSS_SHORT_SLOT_TIME,
 
+        NL80211_ATTR_HT_CAPABILITY,
+
         /* add attributes here, update the policy in nl80211.c */
 
         __NL80211_ATTR_AFTER_LAST,
         NL80211_ATTR_MAX = __NL80211_ATTR_AFTER_LAST - 1
 };
 
+/*
+ * Allow user space programs to use #ifdef on new attributes by defining them
+ * here
+ */
+#define NL80211_ATTR_HT_CAPABILITY NL80211_ATTR_HT_CAPABILITY
+
 #define NL80211_MAX_SUPP_RATES                  32
 #define NL80211_TKIP_DATA_OFFSET_ENCR_KEY       0
 #define NL80211_TKIP_DATA_OFFSET_TX_MIC_KEY     16
 #define NL80211_TKIP_DATA_OFFSET_RX_MIC_KEY     24
+#define NL80211_HT_CAPABILITY_LEN               26
 
 /**
  * enum nl80211_iftype - (virtual) interface types