netopt: Add NETOPT_ACK_PENDING

drivers/include/net/netdev/ieee802154.h

@@ -53,6 +53,11 @@ extern "C" {
  * @brief   request ACK from receiver
  */
 #define NETDEV_IEEE802154_ACK_REQ           (IEEE802154_FCF_ACK_REQ)
+
+/**
+ * @brief   set frame pending bit
+ */
+#define NETDEV_IEEE802154_FRAME_PEND        (IEEE802154_FCF_FRAME_PEND)
 /**
  * @}
  */

sys/include/net/netopt.h

@@ -147,6 +147,12 @@ typedef enum {
                                  *   the current state */
     NETOPT_AUTOACK,             /**< en/disable link layer auto ACKs or read
                                  *   the current state */
+    NETOPT_ACK_PENDING,         /**< en/disable the frame pending bit of ACKs.
+                                 *   This bit is copied into the frame pending
+                                 *   subfield of the ACK if it is the response
+                                 *   to a data request MAC command frame, which
+                                 *   lets the data request sender know if the ACK
+                                 *   sender has pending data or not. */
     NETOPT_ACK_REQ,             /**< en/disable acknowledgement requests or
                                  *   read the current state */
     NETOPT_RETRANS,             /**< get/set the maximum number of

sys/net/crosslayer/netopt/netopt.c

@@ -45,6 +45,7 @@ static const char *_netopt_strmap[] = {
     [NETOPT_PRELOADING]            = "NETOPT_PRELOADING",
     [NETOPT_PROMISCUOUSMODE]       = "NETOPT_PROMISCUOUSMODE",
     [NETOPT_AUTOACK]               = "NETOPT_AUTOACK",
+    [NETOPT_ACK_PENDING]           = "NETOPT_ACK_PENDING",
     [NETOPT_ACK_REQ]               = "NETOPT_ACK_REQ",
     [NETOPT_RETRANS]               = "NETOPT_RETRANS",
     [NETOPT_PROTO]                 = "NETOPT_PROTO",