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polyfractal
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247
component/common/drivers/ethernet_mii/ethernet_mii.c
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247
component/common/drivers/ethernet_mii/ethernet_mii.c
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#include "rtl8195a.h"
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#include "build_info.h"
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#ifdef PLATFORM_FREERTOS
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#include "FreeRTOS.h"
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#include "task.h"
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#include "semphr.h"
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#endif
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#include "osdep_service.h"
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#include "lwip_netconf.h"
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#include "ethernet_api.h"
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#include "lwip_intf.h"
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#include "ethernet_mii.h"
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#include "platform_opts.h"
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#include "ethernet_ex_api.h"
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static _sema mii_rx_sema;
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static _mutex mii_tx_mutex;
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extern struct netif xnetif[NET_IF_NUM];
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static u8 TX_BUFFER[1518];
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static u8 RX_BUFFER[1518];
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static u8 *pTmpTxDesc = NULL;
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static u8 *pTmpRxDesc = NULL;
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static u8 *pTmpTxPktBuf = NULL;
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static u8 *pTmpRxPktBuf = NULL;
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int dhcp_ethernet_mii = 1;
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int ethernet_if_default = 0;
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extern int lwip_init_done;
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static _sema mii_linkup_sema;
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void mii_rx_thread(void* param){
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u32 len = 0;
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u8* pbuf = RX_BUFFER;
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while(1){
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if (rtw_down_sema(&mii_rx_sema) == _FAIL){
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DBG_8195A("%s, Take Semaphore Fail\n", __FUNCTION__);
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goto exit;
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}
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// continues read the rx ring until its empty
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while(1){
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len = ethernet_receive();
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if(len){
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//DBG_8195A("mii_recv len = %d\n\r", len);
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ethernet_read(pbuf, len);
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// calculate the time duration
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ethernetif_mii_recv(&xnetif[NET_IF_NUM - 1], len);
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//__rtl_memDump_v1_00(pbuf, len, "ethernet_receive Data:");
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//rtw_memset(pbuf, 0, len);
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}else if(len == 0){
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break;
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}
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}
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}
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exit:
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rtw_free_sema(&mii_rx_sema);
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vTaskDelete(NULL);
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}
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void dhcp_start_mii(void* param)
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{
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while(1)
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{
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if (rtw_down_sema(&mii_linkup_sema) == _FAIL){
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DBG_8195A("%s, Take Semaphore Fail\n", __FUNCTION__);
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break;
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}
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LwIP_DHCP(NET_IF_NUM - 1, DHCP_START);
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}
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rtw_free_sema(&mii_linkup_sema);
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vTaskDelete(NULL);
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}
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void mii_intr_handler(u32 Event, u32 Data)
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{
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switch(Event)
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{
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case ETH_TXDONE:
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//DBG_8195A("TX Data = %d\n", Data);
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break;
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case ETH_RXDONE:
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//DBG_8195A("\r\nRX Data = %d\n", Data);
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// wake up rx thread to receive data
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rtw_up_sema_from_isr(&mii_rx_sema);
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break;
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case ETH_LINKUP:
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DBG_8195A("Link Up\n");
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if(dhcp_ethernet_mii == 1)
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rtw_up_sema_from_isr(&mii_linkup_sema);
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break;
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case ETH_LINKDOWN:
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DBG_8195A("Link Down\n");
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break;
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default:
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DBG_8195A("Unknown event !!\n");
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break;
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}
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}
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void ethernet_demo(void* param){
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u8 mac[6];
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/* Initilaize the LwIP stack */
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// can not init twice
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if(!lwip_init_done)
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LwIP_Init();
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DBG_8195A("LWIP Init done\n");
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ethernet_irq_hook(mii_intr_handler);
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if(pTmpTxDesc)
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{
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free(pTmpTxDesc);
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pTmpTxDesc = NULL;
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}
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if(pTmpRxDesc)
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{
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free(pTmpRxDesc);
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pTmpRxDesc = NULL;
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}
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if(pTmpTxPktBuf)
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{
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free(pTmpTxPktBuf);
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pTmpTxPktBuf = NULL;
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}
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if(pTmpRxPktBuf)
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{
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free(pTmpRxPktBuf);
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pTmpRxPktBuf = NULL;
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}
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pTmpTxDesc = (u8 *)malloc(/*MII_TX_DESC_CNT*/MII_TX_DESC_NO * ETH_TX_DESC_SIZE);
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pTmpRxDesc = (u8 *)malloc(/*MII_RX_DESC_CNT*/MII_RX_DESC_NO * ETH_RX_DESC_SIZE);
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pTmpTxPktBuf = (u8 *)malloc(/*MII_TX_DESC_CNT*/MII_TX_DESC_NO * ETH_PKT_BUF_SIZE);
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pTmpRxPktBuf = (u8 *)malloc(/*MII_RX_DESC_CNT*/MII_RX_DESC_NO * ETH_PKT_BUF_SIZE);
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if(pTmpTxDesc == NULL || pTmpRxDesc == NULL || pTmpTxPktBuf == NULL || pTmpRxPktBuf == NULL)
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{
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printf("TX/RX descriptor malloc fail\n");
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return;
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}
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memset(pTmpTxDesc, 0, MII_TX_DESC_NO * ETH_TX_DESC_SIZE);
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memset(pTmpRxDesc, 0, MII_RX_DESC_NO * ETH_RX_DESC_SIZE);
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memset(pTmpTxPktBuf, 0, MII_TX_DESC_NO * ETH_PKT_BUF_SIZE);
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memset(pTmpRxPktBuf, 0, MII_RX_DESC_NO * ETH_PKT_BUF_SIZE);
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//size 160 128 12288 12288
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ethernet_set_descnum(MII_TX_DESC_NO, MII_RX_DESC_NO);
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printf("TRX descriptor number setting done\n");
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ethernet_trx_pre_setting(pTmpTxDesc, pTmpRxDesc, pTmpTxPktBuf, pTmpRxPktBuf);
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printf("TRX pre setting done\n");
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ethernet_init();
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DBG_INFO_MSG_OFF(_DBG_MII_);
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DBG_WARN_MSG_OFF(_DBG_MII_);
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DBG_ERR_MSG_ON(_DBG_MII_);
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/*get mac*/
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ethernet_address(mac);
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memcpy((void*)xnetif[NET_IF_NUM - 1].hwaddr,(void*)mac, 6);
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rtw_init_sema(&mii_rx_sema,0);
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rtw_mutex_init(&mii_tx_mutex);
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if(xTaskCreate(mii_rx_thread, ((const char*)"mii_rx_thread"), 1024, NULL, tskIDLE_PRIORITY+5, NULL) != pdPASS)
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DBG_8195A("\n\r%s xTaskCreate(mii_rx_thread) failed", __FUNCTION__);
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DBG_8195A("\nEthernet_mii Init done, interface %d",NET_IF_NUM - 1);
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if(dhcp_ethernet_mii == 1)
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LwIP_DHCP(NET_IF_NUM - 1, DHCP_START);
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vTaskDelete(NULL);
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}
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void ethernet_mii_init()
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{
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printf("\ninitializing Ethernet_mii......\n");
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// set the ethernet interface as default
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ethernet_if_default = 1;
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rtw_init_sema(&mii_linkup_sema,0);
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if( xTaskCreate((TaskFunction_t)dhcp_start_mii, "DHCP_START_MII", 1024, NULL, 2, NULL) != pdPASS) {
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DBG_8195A("Cannot create demo task\n\r");
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}
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if( xTaskCreate((TaskFunction_t)ethernet_demo, "ETHERNET DEMO", 1024, NULL, 2, NULL) != pdPASS) {
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DBG_8195A("Cannot create demo task\n\r");
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}
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}
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void rltk_mii_recv(struct eth_drv_sg *sg_list, int sg_len){
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struct eth_drv_sg *last_sg;
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u8* pbuf = RX_BUFFER;
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for (last_sg = &sg_list[sg_len]; sg_list < last_sg; ++sg_list) {
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if (sg_list->buf != 0) {
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rtw_memcpy((void *)(sg_list->buf), pbuf, sg_list->len);
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pbuf+=sg_list->len;
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}
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}
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}
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s8 rltk_mii_send(struct eth_drv_sg *sg_list, int sg_len, int total_len){
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int ret =0;
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struct eth_drv_sg *last_sg;
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u8* pdata = TX_BUFFER;
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u8 retry_cnt = 0;
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u32 size = 0;
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for (last_sg = &sg_list[sg_len]; sg_list < last_sg; ++sg_list) {
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rtw_memcpy(pdata, (void *)(sg_list->buf), sg_list->len);
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pdata += sg_list->len;
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size += sg_list->len;
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}
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pdata = TX_BUFFER;
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//DBG_8195A("mii_send len= %d\n\r", size);
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rtw_mutex_get(&mii_tx_mutex);
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while(1){
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ret = ethernet_write(pdata, size);
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if(ret > 0){
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ethernet_send();
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ret = 0;
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break;
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}
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if(++retry_cnt > 3){
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DBG_8195A("TX drop\n\r");
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ret = -1;
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}
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else
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rtw_udelay_os(1);
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}
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rtw_mutex_put(&mii_tx_mutex);
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return ret;
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}
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9
component/common/drivers/ethernet_mii/ethernet_mii.h
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9
component/common/drivers/ethernet_mii/ethernet_mii.h
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@ -0,0 +1,9 @@
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#ifndef __MII_ETHERNETIF_H__
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#define __MII_ETHERNETIF_H__
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#include "lwip_netconf.h"
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#define MII_TX_DESC_CNT 4
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#define MII_RX_DESC_CNT 10
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#endif // __MII_ETHERNETIF_H__
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