net/ieee802154: add default CSMA-CA params

RIOT-OS · Sep 2, 2020 · 82e0d5a · 82e0d5a
1 parent f109aa7
commit 82e0d5a
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Showing 2 changed files with 33 additions and 0 deletions.
diff --git a/sys/include/net/ieee802154.h b/sys/include/net/ieee802154.h
@@ -203,6 +203,27 @@ extern const uint8_t ieee802154_addr_bcast[IEEE802154_ADDR_BCAST_LEN];
 #endif
 /** @} */
 
+/**
+ * @brief IEEE802.15.4 default value for minimum backoff exponent
+ */
+#ifndef CONFIG_IEEE802154_DEFAULT_CSMA_CA_MIN_BE
+#define CONFIG_IEEE802154_DEFAULT_CSMA_CA_MIN_BE (3U)
+#endif
+
+/**
+ * @brief IEEE802.15.4 default value for maximum number of CSMA-CA retries.
+ */
+#ifndef CONFIG_IEEE802154_DEFAULT_CSMA_CA_RETRIES
+#define CONFIG_IEEE802154_DEFAULT_CSMA_CA_RETRIES (4U)
+#endif
+
+/**
+ * @brief IEEE802.15.4 default value for maximum backoff exponent
+ */
+#ifndef CONFIG_IEEE802154_DEFAULT_CSMA_CA_MAX_BE
+#define CONFIG_IEEE802154_DEFAULT_CSMA_CA_MAX_BE (5U)
+#endif
+
 /**
  * @brief Initializes an IEEE 802.15.4 MAC frame header in @p buf.
  *

diff --git a/sys/net/link_layer/ieee802154/Kconfig b/sys/net/link_layer/ieee802154/Kconfig
@@ -33,4 +33,16 @@ if KCONFIG_MODULE_IEEE802154
  int "IEEE802.15.4 default TX power (in dBm)"
  default 0
 
+ config IEEE802154_DEFAULT_CSMA_CA_MIN
+ int "IEEE802.15.4 default CSMA-CA minimum backoff exponent"
+ default 3
+
+ config IEEE802154_DEFAULT_CSMA_CA_RETRIES
+ int "IEEE802.15.4 default CSMA-CA maximum number of retries"
+ default 4
+
+ config IEEE802154_DEFAULT_CSMA_CA_MAX
+ int "IEEE802.15.4 default CSMA-CA maximum backoff exponent"
+ default 5
+
 endif # KCONFIG_MODULE_IEEE802154