ndk 的emac_RTOS|AM437x 多网口(CPSW和PRU-ICSS)NDK TCP通讯问题

TI专家好。

我有个项目需要同时用到AM437x的CPSW网口(千兆)和两个PRU-ICSS网口(100M，当做普通网口使用)，目前我已经根据NIMU_BasicExample和NIMU_ICSS_BasicExample两个例程合并修改，现已实现三个网口的配置和IP地址分配，每个网口单独均可ping通，但是现在有一个比较奇怪的现象，还请各位专家多多指教。

PRU-ICSS1网口配置代码如下

/*ICSS-EMAC Port 1 initializations*/

emacHandle1 = (ICSS_EmacHandle)malloc(sizeof(ICSS_EmacConfig));

switchEmacCfg1 = (ICSS_EmacInitConfig*)malloc(sizeof(ICSS_EmacInitConfig));

switchEmacCfg1->phyAddr[0]=0;

switchEmacCfg1->phyAddr[1]=0;

switchEmacCfg1->portMask = ICSS_EMAC_MODE_MAC1;

switchEmacCfg1->ethPrioQueue = ICSS_EMAC_QUEUE1;

switchEmacCfg1->halfDuplexEnable = 1;

switchEmacCfg1->enableIntrPacing = ICSS_EMAC_ENABLE_PACING;

switchEmacCfg1->ICSS_EmacIntrPacingMode = ICSS_EMAC_INTR_PACING_MODE1;

switchEmacCfg1->pacingThreshold = 100;

switchEmacCfg1->learningEn = 0;

switchEmacCfg1->rxIntNum = 52; //PRU_ICSS1_E