Merge branch 'feat/lwip/ipv6_dup_detect_tries' into 'master'

feat(lwip/config): add menuconfig option for setting LWIP_IPV6_DUP_DETECT_ATTEMPTS

Closes IDFGH-9320

See merge request espressif/esp-idf!39080

Author: david-cermak

components/lwip/Kconfig

@@ -239,6 +239,14 @@ menu "LWIP"
         help
             Set the maximum amount of pbufs waiting to be reassembled.
 
+    config LWIP_IPV6_DUP_DETECT_ATTEMPTS
+        int "Number of duplicate address detection attempts"
+        range 0 7
+        default 1
+        depends on LWIP_IPV6
+        help
+            Set the number of duplicate address detection attempts.
+
     config LWIP_IP_FORWARD
         bool "Enable IP forwarding"
         default n

components/lwip/port/include/lwipopts.h

@@ -1327,6 +1327,12 @@ static inline uint32_t timeout_from_offered(uint32_t lease, uint32_t min)
  * LWIP_ND6_NUM_DESTINATIONS: Maximum number of entries in IPv6 destinations cache
  */
 #define LWIP_ND6_NUM_DESTINATIONS          CONFIG_LWIP_IPV6_ND6_NUM_DESTINATIONS
+
+/**
+ * LWIP_IPV6_DUP_DETECT_ATTEMPTS: Number of duplicate address detection attempts
+ */
+#define LWIP_IPV6_DUP_DETECT_ATTEMPTS   CONFIG_LWIP_IPV6_DUP_DETECT_ATTEMPTS
+
 /*
    ---------------------------------------
    ---------- Hook options ---------------