sitara_depot/components/free_rtos/ethernet/eth_rx_flow.hpp

/*
 * eth_rx_dma.hpp
 *
 *  Created on: 6 мар. 2023 г.
 *      Author: sychev
 */

#ifndef FREE_RTOS_ETHERNET_ETH_RX_DMA_HPP_
#define FREE_RTOS_ETHERNET_ETH_RX_DMA_HPP_

#include <cstdint>
#include <networking/enet/core/include/dma/udma/enet_udma.h>
#include <networking/enet/core/include/core/enet_dma.h>
#include <networking/enet/core/include/core/enet_queue.h>

#include "free_rtos/handler_store/handler_store.hpp"
#include "free_rtos/semaphore/semaphore.hpp"
#include "free_rtos/task/task.hpp"
#include "free_rtos/profiler/quick_profiler_static.hpp"

#include "free_rtos/ethernet/eth_task_settings.hpp"
#include "free_rtos/ethernet/eth_frame.h"
#include "free_rtos/ethernet_ip/eth_stack_iface.hpp"

namespace free_rtos {

class EthRxFlow {
public:
    EthRxFlow(TEthFrameMacAddr& mac_addr, EthStackIface& eth_stack);

    bool open(TEthMacPorts port_id, int32_t enetDmaRxChId, UBaseType_t task_priority, UBaseType_t task_stack_size);

    bool is_open() {return open_;}

    void set_passive() { passive_mode_ = true; }

private:

    friend void rxIsrHandler(void *appData);

    friend void rxTaskHandler(void *appData);

    void initRxFreePktQ(void * appPriv, EnetDma_PktQ * p_packet_queue, uint32_t qCount);
    void retrieveReadyRxPktQ();
    void submitFreeRxPktQ(EnetDma_PktQ * p_packet_queue);

    void rxProcessPktTask();

private:
    enum SignalsId {
        e_signalRxPkt,
        e_signalTotal
    };

    TEthMacPorts default_port_id_;
    int32_t enetDmaRxChId_;
    bool     open_;

    Semaphore sem_[e_signalTotal];

    Task rx_task;

    TEthFrameMacAddr& mac_addr_;

    EthStackIface& eth_stack_;

    uint32_t rx_start_flow_idx_;
    uint32_t rx_flow_idx_;
    EnetDma_RxChHandle dma_handle_;
    EnetDma_PktQ rx_ready_pktq_;

    bool passive_mode_;
};


}



#endif /* FREE_RTOS_ETHERNET_ETH_RX_DMA_HPP_ */