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[1/2] iw: Sync nl80211.h with wireless-testing

Message ID 20100727094932.27300.10253.stgit@tt-desk (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Bruno Randolf July 27, 2010, 9:49 a.m. UTC
None
diff mbox

Patch

diff --git a/nl80211.h b/nl80211.h
index 2c87016..b9de53c 100644
--- a/nl80211.h
+++ b/nl80211.h
@@ -731,6 +731,20 @@  enum nl80211_commands {
  *      This is used in association with @NL80211_ATTR_WIPHY_TX_POWER_SETTING
  *      for non-automatic settings.
  *
+ * @NL80211_ATTR_WIPHY_ANTENNA_TX: Bitmap of allowed antennas for transmitting.
+ *	Each bit represents one antenna, starting with antenna 1 at the first
+ *	bit. If the bitmap is zero (0), the TX antenna follows RX diversity.
+ *	If multiple antennas are selected all selected antennas have to be used
+ *	for transmitting (801.11n multiple TX chains).
+ *	Drivers may reject configurations they cannot support.
+ *
+ * @NL80211_ATTR_WIPHY_ANTENNA_RX: Bitmap of allowed antennas for receiving.
+ *	Each bit represents one antenna, starting with antenna 1 at the first
+ *	bit. If multiple antennas are selected in the bitmap, 802.11n devices
+ *	should use multiple RX chains on these antennas, while non-802.11n
+ *	drivers should use antenna diversity between these antennas.
+ *	Drivers may reject configurations they cannot support.
+ *
  * @NL80211_ATTR_MAX: highest attribute number currently defined
  * @__NL80211_ATTR_AFTER_LAST: internal use
  */
@@ -891,6 +905,9 @@  enum nl80211_attrs {
 	NL80211_ATTR_WIPHY_TX_POWER_SETTING,
 	NL80211_ATTR_WIPHY_TX_POWER_LEVEL,
 
+	NL80211_ATTR_WIPHY_ANTENNA_TX,
+	NL80211_ATTR_WIPHY_ANTENNA_RX,
+
 	/* add attributes here, update the policy in nl80211.c */
 
 	__NL80211_ATTR_AFTER_LAST,