CONFIG_NETWORKING=y CONFIG_NETWORKING_WITH_LOGGING=y CONFIG_IP_BUF_RX_SIZE=3 CONFIG_IP_BUF_TX_SIZE=2 CONFIG_NANO_TIMEOUTS=y CONFIG_TINYDTLS=y CONFIG_NETWORKING_WITH_15_4=y CONFIG_NETWORKING_WITH_15_4_TI_CC2520=y CONFIG_NETWORKING_WITH_6LOWPAN=y CONFIG_6LOWPAN_COMPRESSION_IPHC=y