iwlwifi: virtualize op_mode's stop/start queue

Export them as "queue_full" and "queue_not_full" notification.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/drivers/net/wireless/iwlwifi/iwl-op-mode.h b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
index b0272fd9b537..c1664e1fd26a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-op-mode.h
+++ b/drivers/net/wireless/iwlwifi/iwl-op-mode.h
@@ -80,6 +80,10 @@ struct iwl_rx_mem_buffer;
  *      May sleep
  * @rx: Rx notification to the op_mode. rxb is the Rx buffer itself. Cmd is the
  *      HCMD the this Rx responds to.
+ * @queue_full: notifies that a HW queue is full. Ac is the ac of the queue
+ *      Must be atomic
+ * @queue_not_full: notifies that a HW queue is not full any more.
+ *      Ac is the ac of the queue. Must be atomic
  * @free_skb: allows the transport layer to free skbs that haven't been
  *      reclaimed by the op_mode. This can happen when the driver is freed and
  *      there are Tx packets pending in the transport layer.
@@ -90,6 +94,8 @@ struct iwl_op_mode_ops {
         void (*stop)(struct iwl_op_mode *op_mode);
         int (*rx)(struct iwl_op_mode *op_mode, struct iwl_rx_mem_buffer *rxb,
                   struct iwl_device_cmd *cmd);
+        void (*queue_full)(struct iwl_op_mode *op_mode, u8 ac);
+        void (*queue_not_full)(struct iwl_op_mode *op_mode, u8 ac);
         void (*free_skb)(struct iwl_op_mode *op_mode, struct sk_buff *skb);
 };
 
@@ -119,6 +125,17 @@ static inline int iwl_op_mode_rx(struct iwl_op_mode *op_mode,
         return op_mode->ops->rx(op_mode, rxb, cmd);
 }
 
+static inline void iwl_op_mode_queue_full(struct iwl_op_mode *op_mode, u8 ac)
+{
+        op_mode->ops->queue_full(op_mode, ac);
+}
+
+static inline void iwl_op_mode_queue_not_full(struct iwl_op_mode *op_mode,
+                                              u8 ac)
+{
+        op_mode->ops->queue_not_full(op_mode, ac);
+}
+
 static inline void iwl_op_mode_free_skb(struct iwl_op_mode *op_mode,
                                         struct sk_buff *skb)
 {