change esp32c2 iperf sdkconfig_defaults
#
# ESP32-C2
#
-CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=20
-CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=40
-CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=40
+CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM=14
+CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM=18
+CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM=18
CONFIG_ESP32_WIFI_AMPDU_TX_ENABLED=y
-CONFIG_ESP32_WIFI_TX_BA_WIN=32
+CONFIG_ESP32_WIFI_TX_BA_WIN=16
CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED=y
-CONFIG_ESP32_WIFI_RX_BA_WIN=32
+CONFIG_ESP32_WIFI_RX_BA_WIN=16
-CONFIG_LWIP_TCP_SND_BUF_DEFAULT=40960
-CONFIG_LWIP_TCP_WND_DEFAULT=40960
-CONFIG_LWIP_TCP_RECVMBOX_SIZE=64
-CONFIG_LWIP_UDP_RECVMBOX_SIZE=64
-CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=64
+CONFIG_LWIP_TCP_SND_BUF_DEFAULT=18432
+CONFIG_LWIP_TCP_WND_DEFAULT=18432
+CONFIG_LWIP_TCP_RECVMBOX_SIZE=32
+CONFIG_LWIP_UDP_RECVMBOX_SIZE=32
+CONFIG_LWIP_TCPIP_RECVMBOX_SIZE=32
CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ_120=y
CONFIG_ESP_DEFAULT_CPU_FREQ_MHZ=120
CONFIG_ESPTOOLPY_FLASHMODE_QIO=y
-CONFIG_ESPTOOLPY_FLASHFREQ_80M=y
+CONFIG_ESPTOOLPY_FLASHFREQ_60M=y
