drivers: can: rewrite the CAN shell module

Rewrite the CAN shell module to catch up with the added CAN controller API
functionality.

Signed-off-by: Henrik Brix Andersen <[email protected]>

Author: henrikbrixandersen

drivers/can/Kconfig

@@ -24,13 +24,31 @@ config CAN_INIT_PRIORITY
 	  CAN driver device initialization priority.
 
 config CAN_SHELL
-	bool "CAN Shell"
+	bool "CAN shell"
 	default y
 	depends on SHELL
 	select POLL
 	help
 	  Enable CAN Shell for testing.
 
+if CAN_SHELL
+
+config CAN_SHELL_TX_QUEUE_SIZE
+	int "CAN shell transmit queue size"
+	default 5
+	range 1 256
+	help
+	  Maximum number of events in the CAN shell transmit queue.
+
+config CAN_SHELL_RX_QUEUE_SIZE
+	int "CAN shell receive queue size"
+	default 5
+	range 1 256
+	help
+	  Maximum number of CAN frames in the CAN shell receive queue.
+
+endif # CAN_SHELL
+
 config CAN_STATS
 	bool "CAN controller device statistics"
 	depends on STATS