sitara_depot/components/free_rtos/ethernet/eth_tx_flow.hpp

/*
 * eth_tx_flow.hpp
 *
 *  Created on: 7 мар. 2023 г.
 *      Author: sychev
 */

#ifndef FREE_RTOS_ETHERNET_ETH_TX_FLOW_HPP_
#define FREE_RTOS_ETHERNET_ETH_TX_FLOW_HPP_

#include <cstdint>
#include <networking/enet/core/include/core/enet_dma.h>

#include "free_rtos/ethernet/eth_tx_flow_iface.hpp"
#include "free_rtos/handler_store/handler_store.hpp"
#include "free_rtos/semaphore/semaphore.hpp"

namespace free_rtos {

class EthTxFlow : public EthTxFlowIface {
public:
    EthTxFlow();

    bool open(TEthMacPorts port_id, int32_t enetDmaTxChId);

    bool is_open() {return open_;}

    void enable(TEthMacPorts port_id);

    void disable(TEthMacPorts port_id);

    virtual bool send(TEthMacPorts port_id, uint8_t * p_data, uint32_t len) override;
    virtual bool send(TxFlowHandlerArgs& handlerArgs, uint32_t numScatterSegments) override;
private:
    friend void txIsrHandler(void *appData);

    enum SignalsId {
        e_signalTxPkt,
        e_signalTotal
    };

    struct PortData {
        bool tx_enable;
        uint32_t tx_pkt_counter;
    };

    TEthMacPorts default_port_id_;
    bool     open_;

    Semaphore sem_[e_signalTotal];

    //-------------------------------------------------
    uint32_t tx_ch_num_;
    EnetDma_TxChHandle dma_handle_;
    EnetDma_PktQ tx_free_pktq_;

    PortData port_data_[e_ethMacTotal];

    void retrieveFreeTxPktQ();
    EnetDma_Pkt* getTxPktInfo();
};


}

#endif /* FREE_RTOS_ETHERNET_ETH_TX_FLOW_HPP_ */