1CONFIG_NET_DRIVERS=y 2CONFIG_NET_LOOPBACK=y 3CONFIG_NET_L2_ETHERNET=n 4CONFIG_NET_LOOPBACK_MTU=1100 5# Enable for testing TX only 6#CONFIG_NET_LOOPBACK_SIMULATE_PACKET_DROP=y 7#CONFIG_NET_ZPERF_UDP_REPORT_RETANSMISSION_COUNT=0 8 9CONFIG_NET_BUF_DATA_SIZE=1100 10# Optimized networking settings for performance 11CONFIG_NET_PKT_RX_COUNT=32 12CONFIG_NET_PKT_TX_COUNT=48 13CONFIG_NET_BUF_RX_COUNT=32 14CONFIG_NET_BUF_TX_COUNT=96 15