Changed EAPOL initial-Key retries from 2 to 4 on large NW

Author: Mika Leppänen

source/6LoWPAN/ws/ws_cfg_settings.c

@@ -458,7 +458,7 @@ static void ws_cfg_network_size_config_set_large(ws_cfg_nw_size_t *cfg)
     cfg->sec_prot.initial_key_retry_delay = NONE_INITIAL_KEY_RETRY_TIMER;
     cfg->sec_prot.initial_key_imin = LARGE_NW_INITIAL_KEY_TRICKLE_IMIN_SECS;
     cfg->sec_prot.initial_key_imax = LARGE_NW_INITIAL_KEY_TRICKLE_IMAX_SECS;
-    cfg->sec_prot.initial_key_retry_cnt = DEFAULT_INITIAL_KEY_RETRY_COUNT;
+    cfg->sec_prot.initial_key_retry_cnt = LARGE_NW_INITIAL_KEY_RETRY_COUNT;
 }
 
 static void ws_cfg_network_size_config_set_xlarge(ws_cfg_nw_size_t *cfg)

source/6LoWPAN/ws/ws_config.h

@@ -251,6 +251,7 @@ extern uint8_t DEVICE_MIN_SENS;
 // Large network trickle values for sending of initial EAPOL-key
 #define LARGE_NW_INITIAL_KEY_TRICKLE_IMIN_SECS         600   /* 10 to 20 minutes */
 #define LARGE_NW_INITIAL_KEY_TRICKLE_IMAX_SECS         1200
+#define LARGE_NW_INITIAL_KEY_RETRY_COUNT               4
 
 // Very slow network values for sending of initial EAPOL-key
 #define EXTRA_LARGE_NW_INITIAL_KEY_TRICKLE_IMIN_SECS   600   /* 10 to 20 minutes */

test/nanostack/unittest/6LoWPAN/ws_cfg_settings/test_ws_cfg_settings.c

@@ -248,7 +248,7 @@ static const ws_cfg_t ws_cfg_defaults_large = {
     .sec_prot.initial_key_retry_delay = 0,          // network size affects
     .sec_prot.initial_key_imin = 600,               // network size affects
     .sec_prot.initial_key_imax = 1200,              // network size affects
-    .sec_prot.initial_key_retry_cnt = 2,            // network size affects
+    .sec_prot.initial_key_retry_cnt = 4,            // network size affects
 };
 
 // large network size