diff --git a/components/free_rtos/ethernet/eth_rx_flow.cpp b/components/free_rtos/ethernet/eth_rx_flow.cpp
index f1fef6e..c227793 100644
--- a/components/free_rtos/ethernet/eth_rx_flow.cpp
+++ b/components/free_rtos/ethernet/eth_rx_flow.cpp
@@ -178,6 +178,8 @@ bool free_rtos::EthRxFlow::open(uint32_t id, int32_t enetDmaRxChId, UBaseType_t
     EnetApp_GetDmaHandleInArgs     rxInArgs;
     EnetApp_GetRxDmaHandleOutArgs  rxChInfo;
 
+    constexpr uint32_t numPkts[2] = {ENET_DMA_RX_CH0_NUM_PKTS, ENET_DMA_RX_CH1_NUM_PKTS};
+
     EnetAppUtils_print("rx_flow %u: opening flow...\r\n", id);
 
     if (open_) {
@@ -216,7 +218,7 @@ bool free_rtos::EthRxFlow::open(uint32_t id, int32_t enetDmaRxChId, UBaseType_t
     /// �������� ������
     EnetAppUtils_assert(rxChInfo.useGlobalEvt == true);
     EnetAppUtils_assert(rxChInfo.sizeThreshEn == 0U);
-    EnetAppUtils_assert(rxChInfo.maxNumRxPkts >= (ENET_SYSCFG_TOTAL_NUM_RX_PKT/2U));
+    EnetAppUtils_assert(rxChInfo.maxNumRxPkts >= numPkts[enetDmaRxChId]);
     EnetAppUtils_assert(rxChInfo.chIdx == id_);
     EnetAppUtils_assert(rxChInfo.useDefaultFlow == true);
 
@@ -228,8 +230,8 @@ bool free_rtos::EthRxFlow::open(uint32_t id, int32_t enetDmaRxChId, UBaseType_t
     }
 
     /// ������������� ������� �������
-    initRxFreePktQ(this, &rx_free_pktq_, ENET_SYSCFG_TOTAL_NUM_RX_PKT/2);
-    submitFreeRxPkts(ENET_SYSCFG_TOTAL_NUM_RX_PKT/4);
+    initRxFreePktQ(this, &rx_free_pktq_, numPkts[enetDmaRxChId]);
+    submitFreeRxPkts(numPkts[enetDmaRxChId]/2);
 
     open_ = true;
 
diff --git a/components/free_rtos/ethernet/eth_tx_flow.cpp b/components/free_rtos/ethernet/eth_tx_flow.cpp
index 7a08d8f..77d6cfc 100644
--- a/components/free_rtos/ethernet/eth_tx_flow.cpp
+++ b/components/free_rtos/ethernet/eth_tx_flow.cpp
@@ -15,6 +15,8 @@
 #include <networking/enet/utils/include/enet_appmemutils_cfg.h>
 #include <networking/enet/utils/include/enet_apputils.h>
 
+#include <task.h>
+
 /*----------------------------------------------------------------------*/
 /**
  * ����� ������������ sysconfig.
@@ -159,6 +161,8 @@ void free_rtos::EthTxFlow::disable(TEthMacPorts port_id) {
 bool free_rtos::EthTxFlow::send(TEthMacPorts port_id, uint8_t * p_data, uint32_t len)
 {
     if (port_id >= e_ethMacTotal) {
+        EnetAppUtils_print("Wrong port id\r\n");
+
         return false;
     }
 
@@ -176,6 +180,11 @@ bool free_rtos::EthTxFlow::send(TEthMacPorts port_id, uint8_t * p_data, uint32_t
 
     txPktInfo = (EnetDma_Pkt *)EnetQueue_deq(&tx_free_pktq_);
 
+    while(txPktInfo == NULL)
+    {
+        txPktInfo = (EnetDma_Pkt *)EnetQueue_deq(&tx_free_pktq_);
+    }
+
     if (txPktInfo != NULL)
     {
         ///�������� ������ ������ � �����
@@ -239,6 +248,11 @@ bool free_rtos::EthTxFlow::send(TxFlowHandlerArgs& handlerArgs, uint32_t numScat
 
     txPktInfo = (EnetDma_Pkt *)EnetQueue_deq(&tx_free_pktq_);
 
+    while(txPktInfo == NULL)
+    {
+        txPktInfo = (EnetDma_Pkt *)EnetQueue_deq(&tx_free_pktq_);
+    }
+
     if (txPktInfo != NULL)
     {
         for(size_t scatter_segment = 0; scatter_segment < numScatterSegments; scatter_segment++)