iwlwifi: mvm: implement driver RX queues sync command
mac80211 will call the driver whenever there is a race between
RSS queues and control path that requires a processing of all
pending frames in RSS queues.
Implement that by utilizing the internal notification mechanism:
queue a message to all queues. When the message is received on
a queue it decrements the atomic counter. This guarantees that
all pending frames in the RX queue were processed since the message
is in order inside the queue.
Signed-off-by: Sara Sharon <sara.sharon@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
index 4c086d0..ade170b 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw-api-rx.h
@@ -437,9 +437,11 @@
/**
* Internal message identifier
*
+* @IWL_MVM_RXQ_SYNC: sync RSS queues
* @IWL_MVM_RXQ_NOTIF_DEL_BA: notify RSS queues of delBA
*/
enum iwl_mvm_rxq_notif_type {
+ IWL_MVM_RXQ_SYNC,
IWL_MVM_RXQ_NOTIF_DEL_BA,
};
@@ -448,10 +450,12 @@
* in &iwl_rxq_sync_cmd. Should be DWORD aligned.
*
* @type: value from &iwl_mvm_rxq_notif_type
+* @cookie: internal cookie to identify old notifications
* @data: payload
*/
struct iwl_mvm_internal_rxq_notif {
u32 type;
+ u32 cookie;
u8 data[];
} __packed;