add a flag of lin internal sleep/wakeup state

Signed-off-by: wangxiaoxin <[email protected]>

include/net/if.h

@@ -198,7 +198,7 @@ struct can_ioctl_filter_s
   uint8_t  fprio; /* See CAN_MSGPRIO_* definitions */
 };
 
-/* Define an enumeration type that describes the CAN/LIN state */
+/* Define an struct type that describes the CAN/LIN state */
 
 enum can_ioctl_state_e
 {
@@ -208,6 +208,12 @@ enum can_ioctl_state_e
   CAN_STATE_BUSY             /* The can/lin bus is busy */
 };
 
+struct can_ioctl_state_s
+{
+  uintptr_t priv;             /* This is private data. */
+  enum can_ioctl_state_e state;
+};
+
 /* There are two forms of the I/F request structure.
  * One for IPv6 and one for IPv4.
  * Notice that they are (and must be) cast compatible and really different
@@ -234,7 +240,7 @@ struct lifreq
     struct mii_ioctl_data_s    lifru_mii_data;       /* MII request data */
     struct can_ioctl_data_s    lifru_can_data;       /* CAN bitrate request data */
     struct can_ioctl_filter_s  lifru_can_filter;     /* CAN filter request data */
-    enum   can_ioctl_state_e   lifru_can_state;      /* CAN/LIN controller state */
+    struct can_ioctl_state_s   lifru_can_state;      /* CAN/LIN controller state */
   } lifr_ifru;
 };
 
@@ -288,7 +294,7 @@ struct ifreq
     struct mii_ioctl_data_s    ifru_mii_data;       /* MII request data */
     struct can_ioctl_data_s    ifru_can_data;       /* CAN bitrate request data */
     struct can_ioctl_filter_s  ifru_can_filter;     /* CAN filter request data */
-    enum   can_ioctl_state_e   ifru_can_state;      /* CAN/LIN controller state */
+    struct can_ioctl_state_s   ifru_can_state;      /* CAN/LIN controller state */
     FAR void                  *ifru_data;           /* For use by interface */
   } ifr_ifru;
 };

net/netdev/netdev_ioctl.c

@@ -1217,7 +1217,7 @@ static int netdev_ifr_ioctl(FAR struct socket *psock, int cmd,
       case SIOCSCANSTATE:  /* Set the LIN/CAN controller state */
         if (dev->d_ioctl)
           {
-            FAR enum can_ioctl_state_e *can_state =
+            FAR struct can_ioctl_state_s *can_state =
               &req->ifr_ifru.ifru_can_state;
             ret = dev->d_ioctl(dev, cmd,
                           (unsigned long)(uintptr_t)can_state);