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adds unique id to eth frame #98

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Merged
eyck merged 2 commits into from
Feb 8, 2026
Merged

adds unique id to eth frame #98

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bd6b524
adds unique id to eth frame
eyck Feb 8, 2026
b7a8cd5
changes initial assignement to constructor to satify C++11
eyck Feb 8, 2026
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15 changes: 12 additions & 3 deletions src/interfaces/eth/eth_tlm.h
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Original file line number Diff line number Diff line change
Expand Up @@ -17,8 +17,10 @@
#ifndef _ETH_ETH_TLM_H_
#define _ETH_ETH_TLM_H_

#include <atomic>
#include <cci_configuration>
#include <cstdint>
#include <mutex>
#include <nonstd/span.h>
#include <scc/fifo_w_cb.h>
#include <scc/peq.h>
Expand Down Expand Up @@ -82,8 +84,15 @@ struct eth_packet_payload : public tlm::nw::tlm_network_payload<ETH> {

void set_sender_clk_period(sc_core::sc_time period) { this->sender_clk_period = period; }

const uint64_t unique_id{get_id()};

private:
sc_core::sc_time sender_clk_period{sc_core::SC_ZERO_TIME};

static uint64_t get_id() {
static std::atomic_uint64_t id{0};
return id.fetch_add(1);
}
};

struct eth_packet_types {
Expand Down Expand Up @@ -120,7 +129,7 @@ struct eth_channel : public sc_core::sc_module,

eth_pkt_initiator_socket<> isck{"isck"};

cci::cci_param<sc_core::sc_time> channel_delay{"channel_delay", sc_core::SC_ZERO_TIME, "delay of the SPI channel"};
cci::cci_param<sc_core::sc_time> channel_delay{"channel_delay", sc_core::SC_ZERO_TIME, "delay of the ETH channel"};

eth_channel(sc_core::sc_module_name const& nm)
: sc_core::sc_module(nm)
Expand All @@ -130,10 +139,10 @@ struct eth_channel : public sc_core::sc_module,
}

void b_transport(transaction_type& trans, sc_core::sc_time& t) override {
t += channel_delay;
t += trans.get_data().size() * 8 * trans.get_sender_clk_period() + channel_delay.get_value();
isck->b_transport(trans, t);
}

// TODO: fix non-blocking channel timing
tlm::tlm_sync_enum nb_transport_fw(transaction_type& trans, phase_type& phase, sc_core::sc_time& t) override {
SCCTRACE(SCMOD) << "Received non-blocking transaction in fw path with phase " << phase.get_name();
if(phase == tlm::nw::REQUEST) {
Expand Down