81 lines
1.8 KiB
C++
81 lines
1.8 KiB
C++
/*
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* eth_arp.hpp
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*
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* Created on: 13 мар. 2023 г.
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* Author: sychev
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*/
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#ifndef FREE_RTOS_ETHERNET_IP_ETH_ARP_HPP_
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#define FREE_RTOS_ETHERNET_IP_ETH_ARP_HPP_
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#include <map>
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#include <cstdint>
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#include "free_rtos/ethernet_ip/eth_arp_iface.hpp"
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#include "free_rtos/ethernet_ip/eth_stack_iface.hpp"
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#include "free_rtos/handler_store/handler.hpp"
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#include "free_rtos/clock/clock.hpp"
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#include "free_rtos/timer_sw/timer_sw.hpp"
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namespace free_rtos {
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class EthArp : public Handler, public EthArpIface {
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public:
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EthArp(EthStackIface& eth_stack);
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bool init(TEthMacPorts eth_port_id, uint64_t self_mac, uint32_t self_ip);
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bool getIpAddr(uint64_t mac, uint32_t& ip);
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virtual bool getMacAddr(uint32_t ip, uint64_t& mac) override;
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bool try_request(uint32_t ip);
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virtual int32_t Process(uint8_t * p_data, uint32_t len) override;
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virtual uint16_t Sender(HandlerArgs& handlerArgs, size_t scatter_segment) override;
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private:
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bool request(uint32_t ip);
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void add(uint64_t mac, uint32_t ip);
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void init_request_pkt(uint64_t self_mac, uint32_t self_ip);
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friend void clock_timeout(ClockP_Object * obj, void * arg);
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private:
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enum Operations {
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e_oprRequest,
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e_oprReply,
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e_oprTotal
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};
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struct ArpIpReqData {
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uint64_t mac = 0;
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uint32_t attemps = 0;
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TimerSw tmr;
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};
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static const uint32_t pkt_len = 42;
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const uint16_t arp_opr_be_[e_oprTotal] = {0x0100, 0x0200};
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const uint32_t max_attemps_ = 8;
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TEthPkt request_pkt_;
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std::map<uint64_t, uint32_t> table_mac_;
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std::map<uint32_t, ArpIpReqData> table_ip_;
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uint64_t self_mac_;
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uint32_t self_ip_;
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TEthMacPorts eth_port_id_;
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EthStackIface& eth_stack_;
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Clock clock_;
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TimerSw tmrGratuitous_;
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};
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}
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#endif /* FREE_RTOS_ETHERNET_IP_ETH_ARP_HPP_ */
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