ieee802.15.4: de-couple MAC driver interface. Now works more like other drivers.

include/nuttx/wireless/ieee802154/ieee802154_mac.h

@@ -883,7 +883,8 @@ struct ieee802154_netmac_s
 
 /* MAC Interface Operations *************************************************/
 
-struct ieee802154_mac_s; /* Forward reference */
+struct ieee802154_mac_s;   /* Forward reference */
+struct ieee802154_maccb_s; /* Forward reference */
 
 struct ieee802154_macops_s
 {
@@ -960,6 +961,11 @@ struct ieee802154_macops_s
                          FAR uint8_t *orphanaddr, uint16_t saddr,
                          bool associated);
 
+  /* Bind callbacks to the IEEE802.15.4 MAC */
+
+  CODE int (*bind)(FAR struct ieee802154_mac_s *mac,
+                   FAR const struct ieee802154_maccb_s *cb);
+
   /* IOCTL support */
 
   CODE int (*ioctl)(FAR struct ieee802154_mac_s *mac, int cmd,
@@ -970,10 +976,6 @@ struct ieee802154_macops_s
 
 struct ieee802154_maccb_s
 {
-  /* Context arg for handling callback */
-
-  FAR void *cb_context;
-
   /* Asynchronous confirmations to requests */
 
   /* Data frame was received by remote device */
@@ -1064,13 +1066,13 @@ struct ieee802154_maccb_s
   CODE void (*ind_syncloss)(FAR struct ieee802154_mac_s *mac, int reason);
 };
 
-struct ieee802154_radio_s; /* Forward reference */
-
 struct ieee802154_mac_s
 {
-  FAR struct ieee802154_radio_s *radio;
+  /* Publicly visiable part of the MAC interface */
+
   struct ieee802154_macops_s ops;
-  struct ieee802154_maccb_s  cbs;
+
+  /* MAC private data may follow */
 };
 
 #ifdef __cplusplus
@@ -1085,6 +1087,8 @@ extern "C"
  * Public Function Prototypes
  ****************************************************************************/
 
+struct ieee802154_radio_s; /* Forward reference */
+
 /****************************************************************************
  * Name: mac802154_create
  *

wireless/ieee802154/mac802154.c

@@ -61,7 +61,9 @@
 
 struct ieee802154_privmac_s
 {
-  struct ieee802154_mac_s pubmac; /* This MUST be the first member */
+  struct ieee802154_mac_s pubmac;           /* This MUST be the first member */
+  FAR struct ieee802154_radio_s *radio;     /* Contained IEEE802.15.4 radio dev */
+  FAR const struct ieee802154_maccb_s *cb;  /* Contained MAC callbacks */
 
   /* MIB attributes, grouped to save memory */
   /* 0x40 */ uint8_t  macAckWaitDuration    : 1; /* 55 or 120(true) */
@@ -143,6 +145,10 @@ static int mac802154_rsp_associate(FAR struct ieee802154_mac_s *mac,
 static int mac802154_rsp_orphan(FAR struct ieee802154_mac_s *mac,
              FAR uint8_t *orphanaddr, uint16_t saddr, bool associated);
 
+static int mac802154_bind(FAR struct ieee802154_mac_s *mac,
+             FAR struct ieee802154_maccb_s *cb);
+static int mac802154_ioctl(FAR struct ieee802154_mac_s *mac, int cmd,
+             unsigned long arg);
 
 /****************************************************************************
  * Private Data
@@ -502,10 +508,76 @@ static int mac802154_rsp_orphan(FAR struct ieee802154_mac_s *mac,
                                 FAR uint8_t *orphanaddr, uint16_t saddr,
                                 bool associated)
 {
-  FAR struct ieee802154_privmac_s *priv = (FAR struct ieee802154_privmac_s *)mac;
+  FAR struct ieee802154_privmac_s *priv =
+    (FAR struct ieee802154_privmac_s *)mac;
   return -ENOTTY;
 }
 
+/****************************************************************************
+ * Name: mac802154_bind
+ *
+ * Description:
+ *   Bind the MAC callback table to the MAC state.
+ *
+ * Parameters:
+ *   mac - Reference to the MAC driver state structure
+ *   cb  - MAC callback operations
+ *
+ * Returned Value:
+ *   OK on success; Negated errno on failure.
+ *
+ ****************************************************************************/
+
+static int mac802154_bind(FAR struct ieee802154_mac_s *mac,
+                          FAR const struct ieee802154_maccb_s *cb)
+{
+  FAR struct ieee802154_privmac_s *priv =
+    (FAR struct ieee802154_privmac_s *)mac;
+
+  priv->cb = cb;
+  return OK;
+}
+
+/****************************************************************************
+ * Name: mac802154_ioctl
+ *
+ * Description:
+ *   Handle MAC and radio IOCTL commands directed to the MAC.
+ *
+ * Parameters:
+ *   mac - Reference to the MAC driver state structure
+ *   cmd - The IOCTL command
+ *   arg - The argument for the IOCTL command
+ *
+ * Returned Value:
+ *   OK on success; Negated errno on failure.
+ *
+ ****************************************************************************/
+
+static int mac802154_ioctl(FAR struct ieee802154_mac_s *mac, int cmd,
+                           unsigned long arg)
+{
+  FAR struct ieee802154_privmac_s *priv =
+    (FAR struct ieee802154_privmac_s *)mac;
+  int ret = -EINVAL;
+
+  /* Check for IOCTLs aimed at the IEEE802.15.4 MAC layer */
+
+  if (_MAC802154IOCVALID(cmd))
+    {
+      /* Handle the MAC IOCTL command */
+#warning Missing logic
+    }
+
+  /* No, other IOCTLs must be aimed at the IEEE802.15.4 radio layer */
+
+  else
+   {
+     ret = priv->radio->ioctl(priv->radio, cmd, arg);
+   }
+}
+#endif
+
 /****************************************************************************
  * Public Functions
  ****************************************************************************/
@@ -552,7 +624,7 @@ FAR struct ieee802154_mac_s *
 
   /* Initialize fields */
 
-  mac->pubmac.radio = radiodev;
+  mac->radio = radiodev;
   mac->pubmac.ops   = mac802154ops;
 
   mac802154_defaultmib(mac);

wireless/ieee802154/mac802154_device.c

@@ -494,9 +494,10 @@ void mac802154dev_conf_data(FAR struct ieee802154_mac_s *mac,
 
   /* Get the dev from the callback context.  This should have been set when
    * the char driver was registered.
+   *
+   * REVISIT: See mac802154_netdev.c
    */
-
-  dev = mac->cbs.cb_context;
+#warning Missing logic
 
   /* Get exclusive access to the driver structure */
 
@@ -554,7 +555,13 @@ int mac802154dev_register(FAR struct ieee802154_mac_s *mac, int minor)
   dev->md_mac = mac;
   sem_init(&dev->md_exclsem, 0, 1); /* Allow the device to be opened once
                                      * before blocking */
-  
+
+  /* Initialize the callbacks and bind them to the radio
+   *
+   * REVISIT: See mac802154_netdev.c
+   */
+#warning Missing logic
+
   /* Create the character device name */
 
   snprintf(devname, DEVNAME_FMTLEN, DEVNAME_FMT, minor);