diff --git a/components/esp32/Kconfig b/components/esp32/Kconfig
index 8bbd6d032e..c6e4cc7e22 100644
--- a/components/esp32/Kconfig
+++ b/components/esp32/Kconfig
@@ -1,4 +1,4 @@
-menu "ESP32-specific config"
+menu "ESP32-specific"
 
 choice ESP32_DEFAULT_CPU_FREQ_MHZ
     prompt "CPU frequency"
@@ -490,9 +490,27 @@ config SW_COEXIST_ENABLE
         Recommended for heavy traffic scenarios. Both coexistence configuration options are
         automatically managed, no user intervention is required.
 
+
+config ESP32_WIFI_RX_BUFFER_NUM
+    int "Max number of WiFi RX buffers"
+    depends on WIFI_ENABLED
+    range 2 25
+    default 25
+    help
+        Set the number of WiFi rx buffers. Each buffer takes approximately 1.6KB of RAM.
+        Larger number for higher throughput but more memory. Smaller number for lower
+        throughput but less memory.
+
+config PHY_ENABLED
+	bool
+	default y if WIFI_ENABLED || BT_ENABLED
+
+menu PHY
+	visible if PHY_ENABLED
+
 config ESP32_PHY_AUTO_INIT
     bool "Initialize PHY in startup code"
-    depends on WIFI_ENABLED
+    depends on PHY_ENABLED
     default y
     help
         If enabled, PHY will be initialized in startup code, before
@@ -507,7 +525,7 @@ config ESP32_PHY_AUTO_INIT
 
 config ESP32_PHY_INIT_DATA_IN_PARTITION
     bool "Use a partition to store PHY init data"
-    depends on WIFI_ENABLED
+    depends on PHY_ENABLED
     default n
     help
         If enabled, PHY init data will be loaded from a partition.
@@ -521,22 +539,20 @@ config ESP32_PHY_INIT_DATA_IN_PARTITION
         into the application binary.
 
         If unsure, choose 'n'.
-
-config ESP32_PHY_MAX_TX_POWER
-    int "Max TX power (dBm)"
+	
+config ESP32_PHY_MAX_WIFI_TX_POWER
+    int "Max WiFi TX power (dBm)"
     range 0 20
     default 20
-    depends on WIFI_ENABLED
+    depends on PHY_ENABLED && WIFI_ENABLED
     help
-        Set maximum transmit power. Actual transmit power for high
+        Set maximum transmit power for WiFi radio. Actual transmit power for high
         data rates may be lower than this setting.
 
-config ESP32_WIFI_RX_BUFFER_NUM
-    int "Max number of WiFi RX buffers"
-    depends on WIFI_ENABLED
-    range 2 25
-    default 25
-    help
-        Set the number of WiFi rx buffers. Each buffer takes approximately 1.6KB of RAM.
-        Larger number for higher throughput but more memory. Smaller number for lower
-        throughput but less memory.
+config ESP32_PHY_MAX_TX_POWER
+	int
+	depends on PHY_ENABLED
+	default 20 if !WIFI_ENABLED
+	default ESP32_PHY_MAX_WIFI_TX_POWER if WIFI_ENABLED
+
+endmenu
diff --git a/components/esp32/component.mk b/components/esp32/component.mk
index e1cd2c6524..a8109a0f5e 100644
--- a/components/esp32/component.mk
+++ b/components/esp32/component.mk
@@ -3,16 +3,14 @@
 #
 
 COMPONENT_SRCDIRS := . hwcrypto
-LIBS := core rtc phy
-ifdef CONFIG_BT_ENABLED
-LIBS += coexist
+LIBS := core rtc
+ifdef CONFIG_PHY_ENABLED # BT || WIFI
+LIBS += phy coexist
 endif
 ifdef CONFIG_WIFI_ENABLED
 LIBS += net80211 pp wpa smartconfig coexist wps wpa2
 endif
 
-LIBS := $(sort $(LIBS))  # de-duplicate, we can handle different orders here
-
 LINKER_SCRIPTS += esp32.common.ld esp32.rom.ld esp32.peripherals.ld
 
 ifeq ("$(CONFIG_NEWLIB_NANO_FORMAT)","y")
diff --git a/components/esp32/cpu_freq.c b/components/esp32/cpu_freq.c
index 7618f147af..f5ccd13df7 100644
--- a/components/esp32/cpu_freq.c
+++ b/components/esp32/cpu_freq.c
@@ -17,7 +17,6 @@
 #include "rom/ets_sys.h"
 #include "rom/uart.h"
 #include "sdkconfig.h"
-#include "phy.h"
 #include "rtc.h"
 #include "soc/soc.h"
 #include "soc/rtc_cntl_reg.h"
@@ -32,7 +31,6 @@
 void esp_set_cpu_freq(void)
 {
     uint32_t freq_mhz = CONFIG_ESP32_DEFAULT_CPU_FREQ_MHZ;
-    phy_get_romfunc_addr();
 
     // freq will be changed to 40MHz in rtc_init_lite,
     // wait uart tx finish, otherwise some uart output will be lost
diff --git a/components/esp32/phy.h b/components/esp32/phy.h
index 81990f2e36..c0affb36ef 100644
--- a/components/esp32/phy.h
+++ b/components/esp32/phy.h
@@ -25,8 +25,7 @@ extern "C" {
  */
 
 /**
- * @brief Initialize function pointer table in PHY library.
- * @note This function should be called before register_chipv7_phy.
+ * @brief Return ROM function pointer table from PHY library.
  */
 void phy_get_romfunc_addr(void);
 
diff --git a/components/esp32/phy_init.c b/components/esp32/phy_init.c
index 07a455d501..5b130eaf7a 100644
--- a/components/esp32/phy_init.c
+++ b/components/esp32/phy_init.c
@@ -27,7 +27,7 @@
 #include "nvs.h"
 #include "sdkconfig.h"
 
-#ifdef CONFIG_WIFI_ENABLED
+#ifdef CONFIG_PHY_ENABLED
 #include "phy.h"
 #include "phy_init_data.h"
 
@@ -39,8 +39,7 @@ esp_err_t esp_phy_init(const esp_phy_init_data_t* init_data,
 {
     assert(init_data);
     assert(calibration_data);
-    // Initialize PHY pointer table
-    phy_get_romfunc_addr();
+
     REG_SET_BIT(DPORT_CORE_RST_EN_REG, DPORT_MAC_RST);
     REG_CLR_BIT(DPORT_CORE_RST_EN_REG, DPORT_MAC_RST);
     // Enable WiFi peripheral clock
@@ -221,4 +220,4 @@ static esp_err_t store_cal_data_to_nvs_handle(nvs_handle handle,
     return err;
 }
 
-#endif // CONFIG_WIFI_ENABLED
+#endif // CONFIG_PHY_ENABLED
diff --git a/components/ethernet/Kconfig b/components/ethernet/Kconfig
index 0ea94eaafd..663871f2a0 100644
--- a/components/ethernet/Kconfig
+++ b/components/ethernet/Kconfig
@@ -5,30 +5,47 @@ menuconfig ETHERNET
         Select this option to enable ethernet driver and show the submenu with ethernet features.
 
 config DMA_RX_BUF_NUM
-    int "DMA Rx Buf Num"
-    default  10
-    depends on ETHERNET
-    help
-        Dma rx buf num ,can not be 0 .
-
-config DMA_TX_BUF_NUM
-    int "DMA Tx Buf Num"
+    int "Number of DMA RX buffers"
+    range 1 10
     default 10
     depends on ETHERNET
     help
-        Dma tx Buf num ,can not be 0.
+        Number of DMA receive buffers. Each buffer is 1600 bytes.
+        Buffers are allocated statically.
+        Larger number of buffers increases throughput.
+
+config DMA_TX_BUF_NUM
+    int "Number of DMA RX buffers"
+    range 1 10
+    default 10
+    depends on ETHERNET
+    help
+        Number of DMA transmit buffers. Each buffer is 1600 bytes.
+        Buffers are allocated statically.
+        Larger number of buffers increases throughput.
 
 config EMAC_L2_TO_L3_RX_BUF_MODE
-    bool "L2 To L3 RX BUF COPY MODE"
+    bool "Enable copy between Layer2 and Layer3"
     default n
     depends on ETHERNET
     help
-        Receive Buf user copy mode or pointer mode.
+        If this options is selected, a copy of each received buffer will be created when
+        passing it from the Ethernet MAC (L2) to the IP stack (L3). Otherwise, IP stack
+        will receive pointers to the DMA buffers used by Ethernet MAC.
+        
+        When Ethernet MAC doesn't have any unused buffers left, it will drop incomming
+        packets (flow control may help with this problem, to some extent).
+        
+        The buffers for the IP stack are allocated from the heap, so the total number of
+        receive buffers is limited by the available heap size, if this option is selected.
+        
+        If unsure, choose n.
 
 config EMAC_TASK_PRIORITY
     int "EMAC_TASK_PRIORITY"
     default 20
+    range 3 22
     depends on ETHERNET
     help
-        Emac task priority ,suggest 3 ~ 23.
+        Ethernet MAC task priority.