cfg80211: Separate available antennas for RX and TX
As has been pointed out by Daniel Halperin some devices (e.g. Intel IWL5100)
can only TX from a subset of RX antennas, so use separate availability masks
for RX and TX.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 924d603..bcc9f44 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -1482,8 +1482,13 @@
* transmitted through nl80211, points to an array indexed by interface
* type
*
- * @available_antennas: bitmap of antennas which are available to configure.
- * antenna configuration commands will be rejected unless this is set.
+ * @available_antennas_tx: bitmap of antennas which are available to be
+ * configured as TX antennas. Antenna configuration commands will be
+ * rejected unless this or @available_antennas_rx is set.
+ *
+ * @available_antennas_rx: bitmap of antennas which are available to be
+ * configured as RX antennas. Antenna configuration commands will be
+ * rejected unless this or @available_antennas_tx is set.
*
* @max_remain_on_channel_duration: Maximum time a remain-on-channel operation
* may request, if implemented.
@@ -1528,7 +1533,8 @@
u8 max_num_pmkids;
- u32 available_antennas;
+ u32 available_antennas_tx;
+ u32 available_antennas_rx;
/* If multiple wiphys are registered and you're handed e.g.
* a regular netdev with assigned ieee80211_ptr, you won't
