iwlagn: move isr_statistics to transport layer

It is accessed by the transport layer only, hence the move.
The debugfs handlers that accessed it moved to the transport layer too.
The rx_handlers part of it stayed in the upper layer and a special debugfs
has been added for it

Also add missing includes to iwl-commands.h.

Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
index 4694c46..f60b26f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
+++ b/drivers/net/wireless/iwlwifi/iwl-trans-int-pcie.h
@@ -33,6 +33,24 @@
  * trans_pcie layer */
 
 /**
+ * struct isr_statistics - interrupt statistics
+ *
+ */
+struct isr_statistics {
+	u32 hw;
+	u32 sw;
+	u32 err_code;
+	u32 sch;
+	u32 alive;
+	u32 rfkill;
+	u32 ctkill;
+	u32 wakeup;
+	u32 rx;
+	u32 tx;
+	u32 unhandled;
+};
+
+/**
  * struct iwl_rx_queue - Rx queue
  * @bd: driver's pointer to buffer of receive buffer descriptors (rbd)
  * @bd_dma: bus address of buffer of receive buffer descriptors (rbd)
@@ -88,6 +106,7 @@
 	u32 inta;
 	bool use_ict;
 	struct tasklet_struct irq_tasklet;
+	struct isr_statistics isr_stats;
 
 	u32 inta_mask;
 };