[bsp][imxrt1052-evk] update eth driver

- fixed eth send frame bug
- code clean

2 files changed, 331 insertions, 306 deletions

diff --git a/bsp/imxrt1052-evk/Libraries/drivers/fsl_enet.c b/bsp/imxrt1052-evk/Libraries/drivers/fsl_enet.c
index 2e7e002425..0ef887400a 100644
--- a/bsp/imxrt1052-evk/Libraries/drivers/fsl_enet.c
+++ b/bsp/imxrt1052-evk/Libraries/drivers/fsl_enet.c
@@ -1345,7 +1345,13 @@ status_t ENET_SendFrame(ENET_Type *base, enet_handle_t *handle, const uint8_t *d
 #else
         address = (uint32_t)curBuffDescrip->buffer;
 #endif /* FSL_FEATURE_MEMORY_HAS_ADDRESS_OFFSET */
-        memcpy((void *)address, data, length);
+        
+        {
+            // Change SDK to reduce memory copy
+            extern void pbuf2mem(const uint8_t *data, void *dataptr, uint32_t len);
+            pbuf2mem(data, (void *)address, length);
+        }
+        //memcpy((void *)address, data, length);
         /* Set data length. */
         curBuffDescrip->length = length;
 #ifdef ENET_ENHANCEDBUFFERDESCRIPTOR_MODE
diff --git a/bsp/imxrt1052-evk/drivers/drv_eth.c b/bsp/imxrt1052-evk/drivers/drv_eth.c
index 3bd9cdcc72..812adbd748 100644
--- a/bsp/imxrt1052-evk/drivers/drv_eth.c
+++ b/bsp/imxrt1052-evk/drivers/drv_eth.c
@@ -16,7 +16,7 @@
 #include <rtdevice.h>
 
 #ifdef RT_USING_FINSH
-#include <finsh.h>
+    #include <finsh.h>
 #endif
 
 #include "fsl_enet.h"
@@ -50,13 +50,13 @@
 
 struct rt_imxrt_eth
 {
-	/* inherit from ethernet device */
-	struct eth_device parent;
+    /* inherit from ethernet device */
+    struct eth_device parent;
 
     enet_handle_t enet_handle;
     ENET_Type *enet_base;
     enet_data_error_stats_t error_statistic;
-	rt_uint8_t  dev_addr[MAX_ADDR_LEN];			/* hw address	*/
+    rt_uint8_t  dev_addr[MAX_ADDR_LEN];         /* hw address   */
 
     rt_bool_t tx_is_waiting;
     struct rt_semaphore tx_wait;
@@ -73,18 +73,18 @@ ALIGN(ENET_BUFF_ALIGNMENT) rt_uint8_t g_rxDataBuff[ENET_RXBD_NUM][RT_ALIGN(ENET_
 
 static struct rt_imxrt_eth imxrt_eth_device;
 
-void _enet_rx_callback(struct rt_imxrt_eth * eth)
+void _enet_rx_callback(struct rt_imxrt_eth *eth)
 {
     rt_err_t result;
 
     ENET_DisableInterrupts(eth->enet_base, kENET_RxFrameInterrupt);
 
     result = eth_device_ready(&(eth->parent));
-    if( result != RT_EOK )
-        rt_kprintf("RX err =%d\n", result );
+    if (result != RT_EOK)
+        rt_kprintf("RX err =%d\n", result);
 }
 
-void _enet_tx_callback(struct rt_imxrt_eth * eth)
+void _enet_tx_callback(struct rt_imxrt_eth *eth)
 {
     if (eth->tx_is_waiting == RT_TRUE)
     {
@@ -95,7 +95,7 @@ void _enet_tx_callback(struct rt_imxrt_eth * eth)
 
 void _enet_callback(ENET_Type *base, enet_handle_t *handle, enet_event_t event, void *userData)
 {
-    switch(event)
+    switch (event)
     {
     case kENET_RxEvent:
 
@@ -130,53 +130,53 @@ void _enet_callback(ENET_Type *base, enet_handle_t *handle, enet_event_t event,
 
 static void _enet_io_init(void)
 {
-  CLOCK_EnableClock(kCLOCK_Iomuxc);          /* iomuxc clock (iomuxc_clk_enable): 0x03u */
+    CLOCK_EnableClock(kCLOCK_Iomuxc);          /* iomuxc clock (iomuxc_clk_enable): 0x03u */
 
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,        /* GPIO_AD_B0_09 is configured as GPIO1_IO09 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_AD_B0_10_GPIO1_IO10,        /* GPIO_AD_B0_10 is configured as GPIO1_IO10 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 is configured as LPUART1_TX */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 is configured as LPUART1_RX */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_04_ENET_RX_DATA00,       /* GPIO_B1_04 is configured as ENET_RX_DATA00 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_05_ENET_RX_DATA01,       /* GPIO_B1_05 is configured as ENET_RX_DATA01 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_06_ENET_RX_EN,           /* GPIO_B1_06 is configured as ENET_RX_EN */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_07_ENET_TX_DATA00,       /* GPIO_B1_07 is configured as ENET_TX_DATA00 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_08_ENET_TX_DATA01,       /* GPIO_B1_08 is configured as ENET_TX_DATA01 */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_09_ENET_TX_EN,           /* GPIO_B1_09 is configured as ENET_TX_EN */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_10_ENET_REF_CLK,         /* GPIO_B1_10 is configured as ENET_REF_CLK */
-      1U);                                    /* Software Input On Field: Force input path of pad GPIO_B1_10 */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_B1_11_ENET_RX_ER,           /* GPIO_B1_11 is configured as ENET_RX_ER */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_EMC_40_ENET_MDC,            /* GPIO_EMC_40 is configured as ENET_MDC */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinMux(
-      IOMUXC_GPIO_EMC_41_ENET_MDIO,           /* GPIO_EMC_41 is configured as ENET_MDIO */
-      0U);                                    /* Software Input On Field: Input Path is determined by functionality */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,        /* GPIO_AD_B0_09 PAD functional properties : */
-      0xB0A9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,        /* GPIO_AD_B0_09 is configured as GPIO1_IO09 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_AD_B0_10_GPIO1_IO10,        /* GPIO_AD_B0_10 is configured as GPIO1_IO10 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 is configured as LPUART1_TX */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 is configured as LPUART1_RX */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_04_ENET_RX_DATA00,       /* GPIO_B1_04 is configured as ENET_RX_DATA00 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_05_ENET_RX_DATA01,       /* GPIO_B1_05 is configured as ENET_RX_DATA01 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_06_ENET_RX_EN,           /* GPIO_B1_06 is configured as ENET_RX_EN */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_07_ENET_TX_DATA00,       /* GPIO_B1_07 is configured as ENET_TX_DATA00 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_08_ENET_TX_DATA01,       /* GPIO_B1_08 is configured as ENET_TX_DATA01 */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_09_ENET_TX_EN,           /* GPIO_B1_09 is configured as ENET_TX_EN */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_10_ENET_REF_CLK,         /* GPIO_B1_10 is configured as ENET_REF_CLK */
+        1U);                                    /* Software Input On Field: Force input path of pad GPIO_B1_10 */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_B1_11_ENET_RX_ER,           /* GPIO_B1_11 is configured as ENET_RX_ER */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_EMC_40_ENET_MDC,            /* GPIO_EMC_40 is configured as ENET_MDC */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinMux(
+        IOMUXC_GPIO_EMC_41_ENET_MDIO,           /* GPIO_EMC_41 is configured as ENET_MDIO */
+        0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_AD_B0_09_GPIO1_IO09,        /* GPIO_AD_B0_09 PAD functional properties : */
+        0xB0A9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: medium(100MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -184,9 +184,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_AD_B0_10_GPIO1_IO10,        /* GPIO_AD_B0_10 PAD functional properties : */
-      0xB0A9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_AD_B0_10_GPIO1_IO10,        /* GPIO_AD_B0_10 PAD functional properties : */
+        0xB0A9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: medium(100MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -194,9 +194,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 PAD functional properties : */
-      0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 PAD functional properties : */
+        0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
                                                  Drive Strength Field: R0/6
                                                  Speed Field: medium(100MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -204,9 +204,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Keeper
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Down
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 PAD functional properties : */
-      0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 PAD functional properties : */
+        0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
                                                  Drive Strength Field: R0/6
                                                  Speed Field: medium(100MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -214,9 +214,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Keeper
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Down
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_04_ENET_RX_DATA00,       /* GPIO_B1_04 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_04_ENET_RX_DATA00,       /* GPIO_B1_04 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -224,9 +224,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_05_ENET_RX_DATA01,       /* GPIO_B1_05 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_05_ENET_RX_DATA01,       /* GPIO_B1_05 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -234,9 +234,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_06_ENET_RX_EN,           /* GPIO_B1_06 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_06_ENET_RX_EN,           /* GPIO_B1_06 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -244,9 +244,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_07_ENET_TX_DATA00,       /* GPIO_B1_07 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_07_ENET_TX_DATA00,       /* GPIO_B1_07 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -254,9 +254,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_08_ENET_TX_DATA01,       /* GPIO_B1_08 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_08_ENET_TX_DATA01,       /* GPIO_B1_08 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -264,9 +264,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_09_ENET_TX_EN,           /* GPIO_B1_09 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_09_ENET_TX_EN,           /* GPIO_B1_09 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -274,9 +274,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_10_ENET_REF_CLK,         /* GPIO_B1_10 PAD functional properties : */
-      0x31u);                                 /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_10_ENET_REF_CLK,         /* GPIO_B1_10 PAD functional properties : */
+        0x31u);                                 /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/6
                                                  Speed Field: low(50MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -284,9 +284,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Keeper
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Down
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_B1_11_ENET_RX_ER,           /* GPIO_B1_11 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_B1_11_ENET_RX_ER,           /* GPIO_B1_11 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -294,9 +294,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_EMC_40_ENET_MDC,            /* GPIO_EMC_40 PAD functional properties : */
-      0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_EMC_40_ENET_MDC,            /* GPIO_EMC_40 PAD functional properties : */
+        0xB0E9u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: max(200MHz)
                                                  Open Drain Enable Field: Open Drain Disabled
@@ -304,9 +304,9 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-  IOMUXC_SetPinConfig(
-      IOMUXC_GPIO_EMC_41_ENET_MDIO,           /* GPIO_EMC_41 PAD functional properties : */
-      0xB829u);                               /* Slew Rate Field: Fast Slew Rate
+    IOMUXC_SetPinConfig(
+        IOMUXC_GPIO_EMC_41_ENET_MDIO,           /* GPIO_EMC_41 PAD functional properties : */
+        0xB829u);                               /* Slew Rate Field: Fast Slew Rate
                                                  Drive Strength Field: R0/5
                                                  Speed Field: low(50MHz)
                                                  Open Drain Enable Field: Open Drain Enabled
@@ -314,8 +314,6 @@ static void _enet_io_init(void)
                                                  Pull / Keep Select Field: Pull
                                                  Pull Up / Down Config. Field: 100K Ohm Pull Up
                                                  Hyst. Enable Field: Hysteresis Disabled */
-
-
 }
 
 static void _enet_clk_init(void)
@@ -353,7 +351,8 @@ static void _enet_config(void)
     uint32_t sysClock;
 
     /* prepare the buffer configuration. */
-    enet_buffer_config_t buffConfig = {
+    enet_buffer_config_t buffConfig =
+    {
         ENET_RXBD_NUM,
         ENET_TXBD_NUM,
         SDK_SIZEALIGN(ENET_RXBUFF_SIZE, ENET_BUFF_ALIGNMENT),
@@ -390,6 +389,43 @@ static void _enet_config(void)
     ENET_ActiveRead(imxrt_eth_device.enet_base);
 }
 
+#if defined(ETH_RX_DUMP) ||  defined(ETH_TX_DUMP)
+static void packet_dump(const char *msg, const struct pbuf *p)
+{
+    const struct pbuf *q;
+    rt_uint32_t i, j;
+    rt_uint8_t *ptr;
+
+    rt_kprintf("%s %d byte\n", msg, p->tot_len);
+
+    i = 0;
+    for (q = p; q != RT_NULL; q = q->next)
+    {
+        ptr = q->payload;
+
+        for (j = 0; j < q->len; j++)
+        {
+            if ((i % 8) == 0)
+            {
+                rt_kprintf("  ");
+            }
+            if ((i % 16) == 0)
+            {
+                rt_kprintf("\r\n");
+            }
+            rt_kprintf("%02x ", *ptr);
+
+            i++;
+            ptr++;
+        }
+    }
+
+    rt_kprintf("\n\n");
+}
+#else
+#define packet_dump(...)
+#endif /* dump */
+
 /* initialize the interface */
 static rt_err_t rt_imxrt_eth_init(rt_device_t dev)
 {
@@ -402,127 +438,112 @@ static rt_err_t rt_imxrt_eth_init(rt_device_t dev)
 static rt_err_t rt_imxrt_eth_open(rt_device_t dev, rt_uint16_t oflag)
 {
     dbg_log(DBG_LOG, "rt_imxrt_eth_open...\n");
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_err_t rt_imxrt_eth_close(rt_device_t dev)
 {
     dbg_log(DBG_LOG, "rt_imxrt_eth_close...\n");
-	return RT_EOK;
+    return RT_EOK;
 }
 
-static rt_size_t rt_imxrt_eth_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
+static rt_size_t rt_imxrt_eth_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
 {
     dbg_log(DBG_LOG, "rt_imxrt_eth_read...\n");
-	rt_set_errno(-RT_ENOSYS);
-	return 0;
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
 }
 
-static rt_size_t rt_imxrt_eth_write (rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
+static rt_size_t rt_imxrt_eth_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
 {
     dbg_log(DBG_LOG, "rt_imxrt_eth_write...\n");
-	rt_set_errno(-RT_ENOSYS);
-	return 0;
+    rt_set_errno(-RT_ENOSYS);
+    return 0;
 }
 
 static rt_err_t rt_imxrt_eth_control(rt_device_t dev, int cmd, void *args)
 {
     dbg_log(DBG_LOG, "rt_imxrt_eth_control...\n");
-	switch(cmd)
-	{
-	case NIOCTL_GADDR:
-		/* get mac address */
-		if(args) rt_memcpy(args, imxrt_eth_device.dev_addr, 6);
-		else return -RT_ERROR;
-		break;
+    switch (cmd)
+    {
+    case NIOCTL_GADDR:
+        /* get mac address */
+        if (args) rt_memcpy(args, imxrt_eth_device.dev_addr, 6);
+        else return -RT_ERROR;
+        break;
 
-	default :
-		break;
-	}
+    default :
+        break;
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 /* ethernet device interface */
 /* transmit packet. */
-rt_err_t rt_imxrt_eth_tx( rt_device_t dev, struct pbuf* p)
+rt_err_t rt_imxrt_eth_tx(rt_device_t dev, struct pbuf *p)
 {
 	rt_err_t result = RT_EOK;
 	enet_handle_t * enet_handle = &imxrt_eth_device.enet_handle;
 
-	RT_ASSERT(p != NULL);
+    RT_ASSERT(p != NULL);
     RT_ASSERT(enet_handle != RT_NULL);
 
-	dbg_log(DBG_LOG, "rt_imxrt_eth_tx: %d\n", p->len);
+    dbg_log(DBG_LOG, "rt_imxrt_eth_tx: %d\n", p->len);
 
 #ifdef ETH_TX_DUMP
-	{
-		int i;
-		uint8_t * buf;
-		buf = (uint8_t *)p->payload;
-		for (i = 0; i < p->len; i++)
-		{
-			dbg_log(DBG_LOG, "%02X ", buf[i]);
-			if (i % 16 == 15)
-				dbg_log(DBG_LOG, "\n");
-		}
-		dbg_log(DBG_LOG, "\n");
-	}
+    packet_dump("send", p);
 #endif
 
-	do
-	{
-		result = ENET_SendFrame(imxrt_eth_device.enet_base, enet_handle, p->payload, p->len);
+    do
+    {
+        result = ENET_SendFrame(imxrt_eth_device.enet_base, enet_handle, (const uint8_t *)p, p->tot_len);
+
+        if (result == kStatus_ENET_TxFrameBusy)
+        {
+            imxrt_eth_device.tx_is_waiting = RT_TRUE;
+            rt_sem_take(&imxrt_eth_device.tx_wait, RT_WAITING_FOREVER);
+        }
 
-		if (result == kStatus_ENET_TxFrameBusy)
-		{
-			rt_sem_take(&imxrt_eth_device.tx_wait, RT_WAITING_FOREVER);
-		}
+    }
+    while (result == kStatus_ENET_TxFrameBusy);
 
-	} while (result == kStatus_ENET_TxFrameBusy);
+    return RT_EOK;
+}
 
-	return RT_EOK;
+void pbuf2mem(const uint8_t *data, void *dataptr, uint32_t len)
+{
+    pbuf_copy_partial((const struct pbuf *)data, dataptr, len, 0);
 }
 
 /* reception packet. */
 struct pbuf *rt_imxrt_eth_rx(rt_device_t dev)
 {
- 	uint32_t length = 0;
-	status_t status;
+    uint32_t length = 0;
+    status_t status;
 
-	struct pbuf* p = RT_NULL;
-	enet_handle_t * enet_handle = &imxrt_eth_device.enet_handle;
+    struct pbuf *p = RT_NULL;
+    enet_handle_t *enet_handle = &imxrt_eth_device.enet_handle;
     ENET_Type *enet_base = imxrt_eth_device.enet_base;
     enet_data_error_stats_t *error_statistic = &imxrt_eth_device.error_statistic;
 
-	/* Get the Frame size */
-	status = ENET_GetRxFrameSize(enet_handle, &length);
+    /* Get the Frame size */
+    status = ENET_GetRxFrameSize(enet_handle, &length);
 
-	/* Call ENET_ReadFrame when there is a received frame. */
-	if (length != 0)
-	{
-		/* Received valid frame. Deliver the rx buffer with the size equal to length. */
-		p = pbuf_alloc(PBUF_RAW, length, PBUF_POOL);
+    /* Call ENET_ReadFrame when there is a received frame. */
+    if (length != 0)
+    {
+        /* Received valid frame. Deliver the rx buffer with the size equal to length. */
+        p = pbuf_alloc(PBUF_RAW, length, PBUF_POOL);
 
         if (p != NULL)
         {
             status = ENET_ReadFrame(enet_base, enet_handle, p->payload, length);
             if (status == kStatus_Success)
             {
-    #ifdef ETH_RX_DUMP
-                uint8_t *buf;
-                int i;
-
-                ETH_PRINTF("A frame received. the length:%d\n", p->len);
-                buf = (uint8_t *)p->payload;
-                for (i = 0; i < p->len; i++)
-                {
-                    dbg_log(DBG_LOG, "%02X ", buf[i]);
-                    if (i % 16 == 15)
-                        dbg_log(DBG_LOG, "\n");
-                }
-                dbg_log(DBG_LOG, "\n");
-    #endif
+#ifdef ETH_RX_DUMP
+                packet_dump("recv", p);
+#endif
                 return p;
             }
             else
@@ -535,16 +556,16 @@ struct pbuf *rt_imxrt_eth_rx(rt_device_t dev)
         {
             dbg_log(DBG_LOG, " pbuf_alloc faild\n");
         }
-	}
-	else if (status == kStatus_ENET_RxFrameError)
-	{
-		dbg_log(DBG_WARNING, "ENET_GetRxFrameSize: kStatus_ENET_RxFrameError\n");
-		/* Update the received buffer when error happened. */
-		/* Get the error information of the received g_frame. */
-		ENET_GetRxErrBeforeReadFrame(enet_handle, error_statistic);
-		/* update the receive buffer. */
-		ENET_ReadFrame(enet_base, enet_handle, NULL, 0);
-	}
+    }
+    else if (status == kStatus_ENET_RxFrameError)
+    {
+        dbg_log(DBG_WARNING, "ENET_GetRxFrameSize: kStatus_ENET_RxFrameError\n");
+        /* Update the received buffer when error happened. */
+        /* Get the error information of the received g_frame. */
+        ENET_GetRxErrBeforeReadFrame(enet_handle, error_statistic);
+        /* update the receive buffer. */
+        ENET_ReadFrame(enet_base, enet_handle, NULL, 0);
+    }
 
     ENET_EnableInterrupts(enet_base, kENET_RxFrameInterrupt);
     return NULL;
@@ -552,29 +573,28 @@ struct pbuf *rt_imxrt_eth_rx(rt_device_t dev)
 
 static void phy_monitor_thread_entry(void *parameter)
 {
-    
     phy_speed_t speed;
     phy_duplex_t duplex;
     bool link = false;
-    
+
     _enet_phy_reset_by_gpio();
 
     PHY_Init(imxrt_eth_device.enet_base, PHY_ADDRESS, CLOCK_GetFreq(kCLOCK_AhbClk));
-    
+
     while (1)
     {
         bool new_link = false;
         status_t status = PHY_GetLinkStatus(imxrt_eth_device.enet_base, PHY_ADDRESS, &new_link);
-        
+
         if ((status == kStatus_Success) && (link != new_link))
         {
             link = new_link;
-            
+
             if (link)   // link up
             {
-                PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base, 
+                PHY_GetLinkSpeedDuplex(imxrt_eth_device.enet_base,
                                        PHY_ADDRESS, &speed, &duplex);
-                
+
                 if (kPHY_Speed10M == speed)
                 {
                     dbg_log(DBG_LOG, "10M\n");
@@ -583,7 +603,7 @@ static void phy_monitor_thread_entry(void *parameter)
                 {
                     dbg_log(DBG_LOG, "100M\n");
                 }
-                
+
                 if (kPHY_HalfDuplex == duplex)
                 {
                     dbg_log(DBG_LOG, "half dumplex\n");
@@ -592,13 +612,13 @@ static void phy_monitor_thread_entry(void *parameter)
                 {
                     dbg_log(DBG_LOG, "full dumplex\n");
                 }
-                
-                if ((imxrt_eth_device.speed != (enet_mii_speed_t)speed) 
-                    || (imxrt_eth_device.duplex != (enet_mii_duplex_t)duplex))
+
+                if ((imxrt_eth_device.speed != (enet_mii_speed_t)speed)
+                        || (imxrt_eth_device.duplex != (enet_mii_duplex_t)duplex))
                 {
-                    imxrt_eth_device.speed = (enet_mii_speed_t)speed; 
+                    imxrt_eth_device.speed = (enet_mii_speed_t)speed;
                     imxrt_eth_device.duplex = (enet_mii_duplex_t)duplex;
-                    
+
                     dbg_log(DBG_LOG, "link up, and update eth mode.\n");
                     rt_imxrt_eth_init((rt_device_t)&imxrt_eth_device);
                 }
@@ -615,7 +635,7 @@ static void phy_monitor_thread_entry(void *parameter)
                 eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
             }
         }
-        
+
         rt_thread_delay(RT_TICK_PER_SECOND * 2);
     }
 }
@@ -626,17 +646,17 @@ static int rt_hw_imxrt_eth_init(void)
 
     _enet_io_init();
     _enet_clk_init();
-    
+
     /* OUI 00-80-E1 STMICROELECTRONICS. */
     imxrt_eth_device.dev_addr[0] = 0x00;
-    imxrt_eth_device.dev_addr[1] = 0x80;
-    imxrt_eth_device.dev_addr[2] = 0xE1;
+    imxrt_eth_device.dev_addr[1] = 0x04;
+    imxrt_eth_device.dev_addr[2] = 0x9F;
     /* generate MAC addr from 96bit unique ID (only for test). */
-    imxrt_eth_device.dev_addr[3] = 0x12;
-    imxrt_eth_device.dev_addr[4] = 0x34;
-    imxrt_eth_device.dev_addr[5] = 0x56;
-    
-    imxrt_eth_device.speed = kENET_MiiSpeed100M; 
+    imxrt_eth_device.dev_addr[3] = 0x05;
+    imxrt_eth_device.dev_addr[4] = 0x44;
+    imxrt_eth_device.dev_addr[5] = 0xE5;
+
+    imxrt_eth_device.speed = kENET_MiiSpeed100M;
     imxrt_eth_device.duplex = kENET_MiiFullDuplex;
 
     imxrt_eth_device.enet_base = ENET;
@@ -667,9 +687,9 @@ static int rt_hw_imxrt_eth_init(void)
     {
         dbg_log(DBG_LOG, "eth_device_init faild: %d\r\n", state);
     }
-    
+
     eth_device_linkchange(&imxrt_eth_device.parent, RT_FALSE);
-    
+
     /* start phy monitor */
     {
         rt_thread_t tid;
@@ -682,7 +702,7 @@ static int rt_hw_imxrt_eth_init(void)
         if (tid != RT_NULL)
             rt_thread_startup(tid);
     }
-    
+
     return state;
 }
 INIT_DEVICE_EXPORT(rt_hw_imxrt_eth_init);
@@ -756,102 +776,102 @@ void enet_reg_dump(void)
 #define DUMP_REG(__REG)  \
     rt_kprintf("%s(%08X): %08X\n", #__REG, (uint32_t)&enet_base->__REG, enet_base->__REG)
 
-	DUMP_REG(EIR);
-	DUMP_REG(EIMR);
-	DUMP_REG(RDAR);
-	DUMP_REG(TDAR);
-	DUMP_REG(ECR);
-	DUMP_REG(MMFR);
-	DUMP_REG(MSCR);
-	DUMP_REG(MIBC);
-	DUMP_REG(RCR);
-	DUMP_REG(TCR);
-	DUMP_REG(PALR);
-	DUMP_REG(PAUR);
-	DUMP_REG(OPD);
-	DUMP_REG(TXIC);
-	DUMP_REG(RXIC);
-	DUMP_REG(IAUR);
-	DUMP_REG(IALR);
-	DUMP_REG(GAUR);
-	DUMP_REG(GALR);
-	DUMP_REG(TFWR);
-	DUMP_REG(RDSR);
-	DUMP_REG(TDSR);
-	DUMP_REG(MRBR);
-	DUMP_REG(RSFL);
-	DUMP_REG(RSEM);
-	DUMP_REG(RAEM);
-	DUMP_REG(RAFL);
-	DUMP_REG(TSEM);
-	DUMP_REG(TAEM);
-	DUMP_REG(TAFL);
-	DUMP_REG(TIPG);
-	DUMP_REG(FTRL);
-	DUMP_REG(TACC);
-	DUMP_REG(RACC);
-	DUMP_REG(RMON_T_DROP);
-	DUMP_REG(RMON_T_PACKETS);
-	DUMP_REG(RMON_T_BC_PKT);
-	DUMP_REG(RMON_T_MC_PKT);
-	DUMP_REG(RMON_T_CRC_ALIGN);
-	DUMP_REG(RMON_T_UNDERSIZE);
-	DUMP_REG(RMON_T_OVERSIZE);
-	DUMP_REG(RMON_T_FRAG);
-	DUMP_REG(RMON_T_JAB);
-	DUMP_REG(RMON_T_COL);
-	DUMP_REG(RMON_T_P64);
-	DUMP_REG(RMON_T_P65TO127);
-	DUMP_REG(RMON_T_P128TO255);
-	DUMP_REG(RMON_T_P256TO511);
-	DUMP_REG(RMON_T_P512TO1023);
-	DUMP_REG(RMON_T_P1024TO2047);
-	DUMP_REG(RMON_T_P_GTE2048);
-	DUMP_REG(RMON_T_OCTETS);
-	DUMP_REG(IEEE_T_DROP);
-	DUMP_REG(IEEE_T_FRAME_OK);
-	DUMP_REG(IEEE_T_1COL);
-	DUMP_REG(IEEE_T_MCOL);
-	DUMP_REG(IEEE_T_DEF);
-	DUMP_REG(IEEE_T_LCOL);
-	DUMP_REG(IEEE_T_EXCOL);
-	DUMP_REG(IEEE_T_MACERR);
-	DUMP_REG(IEEE_T_CSERR);
-	DUMP_REG(IEEE_T_SQE);
-	DUMP_REG(IEEE_T_FDXFC);
-	DUMP_REG(IEEE_T_OCTETS_OK);
-	DUMP_REG(RMON_R_PACKETS);
-	DUMP_REG(RMON_R_BC_PKT);
-	DUMP_REG(RMON_R_MC_PKT);
-	DUMP_REG(RMON_R_CRC_ALIGN);
-	DUMP_REG(RMON_R_UNDERSIZE);
-	DUMP_REG(RMON_R_OVERSIZE);
-	DUMP_REG(RMON_R_FRAG);
-	DUMP_REG(RMON_R_JAB);
-	DUMP_REG(RMON_R_RESVD_0);
-	DUMP_REG(RMON_R_P64);
-	DUMP_REG(RMON_R_P65TO127);
-	DUMP_REG(RMON_R_P128TO255);
-	DUMP_REG(RMON_R_P256TO511);
-	DUMP_REG(RMON_R_P512TO1023);
-	DUMP_REG(RMON_R_P1024TO2047);
-	DUMP_REG(RMON_R_P_GTE2048);
-	DUMP_REG(RMON_R_OCTETS);
-	DUMP_REG(IEEE_R_DROP);
-	DUMP_REG(IEEE_R_FRAME_OK);
-	DUMP_REG(IEEE_R_CRC);
-	DUMP_REG(IEEE_R_ALIGN);
-	DUMP_REG(IEEE_R_MACERR);
-	DUMP_REG(IEEE_R_FDXFC);
-	DUMP_REG(IEEE_R_OCTETS_OK);
-	DUMP_REG(ATCR);
-	DUMP_REG(ATVR);
-	DUMP_REG(ATOFF);
-	DUMP_REG(ATPER);
-	DUMP_REG(ATCOR);
-	DUMP_REG(ATINC);
-	DUMP_REG(ATSTMP);
-	DUMP_REG(TGSR);
+    DUMP_REG(EIR);
+    DUMP_REG(EIMR);
+    DUMP_REG(RDAR);
+    DUMP_REG(TDAR);
+    DUMP_REG(ECR);
+    DUMP_REG(MMFR);
+    DUMP_REG(MSCR);
+    DUMP_REG(MIBC);
+    DUMP_REG(RCR);
+    DUMP_REG(TCR);
+    DUMP_REG(PALR);
+    DUMP_REG(PAUR);
+    DUMP_REG(OPD);
+    DUMP_REG(TXIC);
+    DUMP_REG(RXIC);
+    DUMP_REG(IAUR);
+    DUMP_REG(IALR);
+    DUMP_REG(GAUR);
+    DUMP_REG(GALR);
+    DUMP_REG(TFWR);
+    DUMP_REG(RDSR);
+    DUMP_REG(TDSR);
+    DUMP_REG(MRBR);
+    DUMP_REG(RSFL);
+    DUMP_REG(RSEM);
+    DUMP_REG(RAEM);
+    DUMP_REG(RAFL);
+    DUMP_REG(TSEM);
+    DUMP_REG(TAEM);
+    DUMP_REG(TAFL);
+    DUMP_REG(TIPG);
+    DUMP_REG(FTRL);
+    DUMP_REG(TACC);
+    DUMP_REG(RACC);
+    DUMP_REG(RMON_T_DROP);
+    DUMP_REG(RMON_T_PACKETS);
+    DUMP_REG(RMON_T_BC_PKT);
+    DUMP_REG(RMON_T_MC_PKT);
+    DUMP_REG(RMON_T_CRC_ALIGN);
+    DUMP_REG(RMON_T_UNDERSIZE);
+    DUMP_REG(RMON_T_OVERSIZE);
+    DUMP_REG(RMON_T_FRAG);
+    DUMP_REG(RMON_T_JAB);
+    DUMP_REG(RMON_T_COL);
+    DUMP_REG(RMON_T_P64);
+    DUMP_REG(RMON_T_P65TO127);
+    DUMP_REG(RMON_T_P128TO255);
+    DUMP_REG(RMON_T_P256TO511);
+    DUMP_REG(RMON_T_P512TO1023);
+    DUMP_REG(RMON_T_P1024TO2047);
+    DUMP_REG(RMON_T_P_GTE2048);
+    DUMP_REG(RMON_T_OCTETS);
+    DUMP_REG(IEEE_T_DROP);
+    DUMP_REG(IEEE_T_FRAME_OK);
+    DUMP_REG(IEEE_T_1COL);
+    DUMP_REG(IEEE_T_MCOL);
+    DUMP_REG(IEEE_T_DEF);
+    DUMP_REG(IEEE_T_LCOL);
+    DUMP_REG(IEEE_T_EXCOL);
+    DUMP_REG(IEEE_T_MACERR);
+    DUMP_REG(IEEE_T_CSERR);
+    DUMP_REG(IEEE_T_SQE);
+    DUMP_REG(IEEE_T_FDXFC);
+    DUMP_REG(IEEE_T_OCTETS_OK);
+    DUMP_REG(RMON_R_PACKETS);
+    DUMP_REG(RMON_R_BC_PKT);
+    DUMP_REG(RMON_R_MC_PKT);
+    DUMP_REG(RMON_R_CRC_ALIGN);
+    DUMP_REG(RMON_R_UNDERSIZE);
+    DUMP_REG(RMON_R_OVERSIZE);
+    DUMP_REG(RMON_R_FRAG);
+    DUMP_REG(RMON_R_JAB);
+    DUMP_REG(RMON_R_RESVD_0);
+    DUMP_REG(RMON_R_P64);
+    DUMP_REG(RMON_R_P65TO127);
+    DUMP_REG(RMON_R_P128TO255);
+    DUMP_REG(RMON_R_P256TO511);
+    DUMP_REG(RMON_R_P512TO1023);
+    DUMP_REG(RMON_R_P1024TO2047);
+    DUMP_REG(RMON_R_P_GTE2048);
+    DUMP_REG(RMON_R_OCTETS);
+    DUMP_REG(IEEE_R_DROP);
+    DUMP_REG(IEEE_R_FRAME_OK);
+    DUMP_REG(IEEE_R_CRC);
+    DUMP_REG(IEEE_R_ALIGN);
+    DUMP_REG(IEEE_R_MACERR);
+    DUMP_REG(IEEE_R_FDXFC);
+    DUMP_REG(IEEE_R_OCTETS_OK);
+    DUMP_REG(ATCR);
+    DUMP_REG(ATVR);
+    DUMP_REG(ATOFF);
+    DUMP_REG(ATPER);
+    DUMP_REG(ATCOR);
+    DUMP_REG(ATINC);
+    DUMP_REG(ATSTMP);
+    DUMP_REG(TGSR);
 }
 
 void enet_nvic_tog(void)
@@ -891,24 +911,23 @@ void enet_rx_stat(void)
 
 void enet_buf_info(void)
 {
-
     int i = 0;
     for (i = 0; i < ENET_RXBD_NUM; i++)
     {
         rt_kprintf("%d: length: %-8d, control: %04X, buffer:%p\n",
-                    i,
-                    g_rxBuffDescrip[i].length,
-                    g_rxBuffDescrip[i].control,
-                    g_rxBuffDescrip[i].buffer);
+                   i,
+                   g_rxBuffDescrip[i].length,
+                   g_rxBuffDescrip[i].control,
+                   g_rxBuffDescrip[i].buffer);
     }
 
     for (i = 0; i < ENET_TXBD_NUM; i++)
     {
         rt_kprintf("%d: length: %-8d, control: %04X, buffer:%p\n",
-                    i,
-                    g_txBuffDescrip[i].length,
-                    g_txBuffDescrip[i].control,
-                    g_txBuffDescrip[i].buffer);
+                   i,
+                   g_txBuffDescrip[i].length,
+                   g_txBuffDescrip[i].control,
+                   g_txBuffDescrip[i].buffer);
     }
 }