iwlagn: add P2P NoA to probe responses

Whether to use NoA or not is entire controlled
by the uCode right now, and it also adds the
attribute to beacons. We do need to add it to
probe responses in the driver though.

Keep track of the NoA notification from the
uCode and add the data to probe responses when
such are transmitted. Use RCU to manage the
lifetime.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 6c00a447963d..ef8620b10bbc 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -824,6 +824,12 @@ struct iwl_testmode_trace {
 };
 #endif
 
+struct iwl_wipan_noa_data {
+        struct rcu_head rcu_head;
+        u32 length;
+        u8 data[];
+};
+
 struct iwl_priv {
 
         /*data shared among all the driver's layers */
@@ -883,6 +889,8 @@ struct iwl_priv {
         /* init calibration results */
         struct iwl_calib_result calib_results[IWL_CALIB_MAX];
 
+        struct iwl_wipan_noa_data __rcu *noa_data;
+
         /* Scan related variables */
         unsigned long scan_start;
         unsigned long scan_start_tsf;