mac802154: add IEEE802154_HW_ARET hw flag

This patch adds a new IEEE802154_HW_ARET hardware flag for indicating
that the transceiver supports ARET handling. Also remove the
IEEE802154_HW_FRAME_RETRIES from IEEE802154_HW_CSMA flag. Frame retries
handling is part of ARET.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

2 files changed, 5 insertions, 2 deletions

diff --git a/drivers/net/ieee802154/at86rf230.c b/drivers/net/ieee802154/at86rf230.c
index b83ad0b38688..005458821c5d 100644
--- a/drivers/net/ieee802154/at86rf230.c
+++ b/drivers/net/ieee802154/at86rf230.c
@@ -1387,7 +1387,7 @@ at86rf230_detect_device(struct at86rf230_local *lp)
 
         lp->hw->extra_tx_headroom = 0;
         lp->hw->flags = IEEE802154_HW_OMIT_CKSUM | IEEE802154_HW_AACK |
-                         IEEE802154_HW_TXPOWER | IEEE802154_HW_CSMA;
+                        IEEE802154_HW_TXPOWER | IEEE802154_HW_ARET;
 
         switch (part) {
         case 2:
diff --git a/include/net/mac802154.h b/include/net/mac802154.h
index fe1495796ce7..c5d79384847a 100644
--- a/include/net/mac802154.h
+++ b/include/net/mac802154.h
@@ -94,7 +94,10 @@ struct ieee802154_hw {
 /* This groups the most common CSMA support fields into one. */
 #define IEEE802154_HW_CSMA              (IEEE802154_HW_CCA_MODE | \
                                          IEEE802154_HW_CCA_ED_LEVEL | \
-                                         IEEE802154_HW_CSMA_PARAMS | \
+                                         IEEE802154_HW_CSMA_PARAMS)
+
+/* This groups the most common ARET support fields into one. */
+#define IEEE802154_HW_ARET              (IEEE802154_HW_CSMA | \
                                          IEEE802154_HW_FRAME_RETRIES)
 
 /* struct ieee802154_ops - callbacks from mac802154 to the driver