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//
// Copyright 2019 Ettus Research, a National Instruments Brand
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include <uhd/types/endianness.hpp>
#include <uhd/utils/byteswap.hpp>
#include <uhdlib/rfnoc/chdr_packet.hpp>
#include <uhdlib/rfnoc/chdr_types.hpp>
#include <boost/format.hpp>
#include <boost/test/unit_test.hpp>
#include <iostream>
using namespace uhd;
using namespace uhd::rfnoc;
using namespace uhd::rfnoc::chdr;
constexpr size_t MAX_BUF_SIZE_BYTES = 1024;
constexpr size_t MAX_BUF_SIZE_WORDS = MAX_BUF_SIZE_BYTES / sizeof(uint64_t);
constexpr size_t NUM_ITERS = 5000;
static const chdr_packet_factory chdr64_be_factory(CHDR_W_64, ENDIANNESS_BIG);
static const chdr_packet_factory chdr256_be_factory(CHDR_W_256, ENDIANNESS_BIG);
static const chdr_packet_factory chdr64_le_factory(CHDR_W_64, ENDIANNESS_LITTLE);
static const chdr_packet_factory chdr256_le_factory(CHDR_W_256, ENDIANNESS_LITTLE);
uint64_t rand64()
{
return ((uint64_t)rand() << 32) | rand();
}
ctrl_payload populate_ctrl_payload()
{
ctrl_payload pyld;
pyld.dst_port = rand64() & 0x03FF;
pyld.src_port = rand64() & 0x03FF;
pyld.is_ack = rand64() & 0x1;
pyld.src_epid = rand64() & 0xFFFF;
pyld.data_vtr[0] = rand64() & 0xFFFFFFFF;
pyld.byte_enable = rand64() & 0xF;
pyld.op_code = static_cast<ctrl_opcode_t>(rand64() % 8);
pyld.status = static_cast<ctrl_status_t>(rand64() % 4);
if (rand64() % 2 == 0) {
pyld.timestamp = rand64();
} else {
pyld.timestamp = boost::none;
}
return pyld;
}
strs_payload populate_strs_payload()
{
strs_payload pyld;
pyld.src_epid = rand64() & 0xFFFF;
pyld.status = static_cast<strs_status_t>(rand64() % 4);
pyld.capacity_bytes = rand64() & 0xFFFFFFFFFF;
pyld.capacity_pkts = 0xFFFFFF;
pyld.xfer_count_bytes = rand64();
pyld.xfer_count_pkts = rand64() & 0xFFFFFFFFFF;
pyld.buff_info = rand64() & 0xFFFF;
pyld.status_info = rand64() & 0xFFFFFFFFFFFF;
return pyld;
}
strc_payload populate_strc_payload()
{
strc_payload pyld;
pyld.src_epid = rand64() & 0xFFFF;
pyld.op_code = static_cast<strc_op_code_t>(rand64() % 3);
pyld.op_data = rand64() & 0xF;
pyld.num_pkts = rand64() & 0xFFFFFFFFFF;
pyld.num_bytes = rand64();
return pyld;
}
void byte_swap(uint64_t* buff)
{
for (size_t i = 0; i < MAX_BUF_SIZE_WORDS; i++) {
*(buff + i) = uhd::byteswap(*(buff + i));
}
}
BOOST_AUTO_TEST_CASE(chdr_ctrl_packet_no_swap_64)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_ctrl_packet::uptr tx_pkt = chdr64_be_factory.make_ctrl();
chdr_ctrl_packet::cuptr rx_pkt = chdr64_be_factory.make_ctrl();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
ctrl_payload pyld = populate_ctrl_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
std::cout << pyld.to_string();
}
}
BOOST_AUTO_TEST_CASE(chdr_ctrl_packet_no_swap_256)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_ctrl_packet::uptr tx_pkt = chdr256_be_factory.make_ctrl();
chdr_ctrl_packet::cuptr rx_pkt = chdr256_be_factory.make_ctrl();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
ctrl_payload pyld = populate_ctrl_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
}
}
BOOST_AUTO_TEST_CASE(chdr_ctrl_packet_swap_64)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_ctrl_packet::uptr tx_pkt = chdr64_be_factory.make_ctrl();
chdr_ctrl_packet::cuptr rx_pkt = chdr64_le_factory.make_ctrl();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
ctrl_payload pyld = populate_ctrl_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
byte_swap(buff);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
}
}
BOOST_AUTO_TEST_CASE(chdr_ctrl_packet_swap_256)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_ctrl_packet::uptr tx_pkt = chdr256_be_factory.make_ctrl();
chdr_ctrl_packet::cuptr rx_pkt = chdr256_le_factory.make_ctrl();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
ctrl_payload pyld = populate_ctrl_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
byte_swap(buff);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
}
}
BOOST_AUTO_TEST_CASE(chdr_strs_packet_no_swap_64)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_strs_packet::uptr tx_pkt = chdr64_be_factory.make_strs();
chdr_strs_packet::cuptr rx_pkt = chdr64_be_factory.make_strs();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
strs_payload pyld = populate_strs_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
std::cout << pyld.to_string();
}
}
BOOST_AUTO_TEST_CASE(chdr_strc_packet_no_swap_64)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_strc_packet::uptr tx_pkt = chdr64_be_factory.make_strc();
chdr_strc_packet::cuptr rx_pkt = chdr64_be_factory.make_strc();
for (size_t i = 0; i < NUM_ITERS; i++) {
chdr_header hdr = chdr_header(rand64());
strc_payload pyld = populate_strc_payload();
memset(buff, 0, MAX_BUF_SIZE_BYTES);
tx_pkt->refresh(buff, hdr, pyld);
BOOST_CHECK(tx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(tx_pkt->get_payload() == pyld);
rx_pkt->refresh(buff);
BOOST_CHECK(rx_pkt->get_chdr_header() == hdr);
BOOST_CHECK(rx_pkt->get_payload() == pyld);
std::cout << pyld.to_string();
}
}
BOOST_AUTO_TEST_CASE(chdr_generic_packet_calculate_pyld_offset_64)
{
// Check calculation without timestamp
auto test_pyld_offset = [](chdr_packet::uptr& pkt,
const packet_type_t pkt_type,
const size_t num_mdata)
{
uint64_t buff[MAX_BUF_SIZE_WORDS];
chdr_header header;
header.set_pkt_type(pkt_type);
header.set_num_mdata(num_mdata);
pkt->refresh(reinterpret_cast<void*>(buff), header, 0);
const size_t pyld_offset = pkt->calculate_payload_offset(
pkt_type, num_mdata);
void* pyld_ptr = pkt->get_payload_ptr();
const size_t non_pyld_bytes = static_cast<size_t>(
reinterpret_cast<uint8_t*>(pyld_ptr) -
reinterpret_cast<uint8_t*>(buff));
BOOST_CHECK(pyld_offset == non_pyld_bytes);
};
{
chdr_packet::uptr pkt = chdr64_be_factory.make_generic();
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 0);
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 1);
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 2);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 0);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 1);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 2);
}
{
chdr_packet::uptr pkt = chdr256_be_factory.make_generic();
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 0);
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 1);
test_pyld_offset(pkt, PKT_TYPE_DATA_NO_TS, 2);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 0);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 1);
test_pyld_offset(pkt, PKT_TYPE_DATA_WITH_TS, 2);
}
}
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