From e97fd4b0767dddfcbef08e377208a3a8f6dcb4b5 Mon Sep 17 00:00:00 2001 From: Ondrej Kosta Date: Wed, 26 Jan 2022 09:55:36 +0100 Subject: [PATCH 1/2] esp_eth: EMAC start/stop optimization --- components/esp_eth/src/esp_eth.c | 4 +--- components/esp_eth/src/esp_eth_mac_esp.c | 16 +++++++------ components/hal/emac_hal.c | 27 +++++++++++++--------- components/hal/esp32/include/hal/emac_ll.h | 7 +++++- components/hal/include/hal/emac_hal.h | 4 ++-- 5 files changed, 34 insertions(+), 24 deletions(-) diff --git a/components/esp_eth/src/esp_eth.c b/components/esp_eth/src/esp_eth.c index 36d19d0041..1b14069b2e 100644 --- a/components/esp_eth/src/esp_eth.c +++ b/components/esp_eth/src/esp_eth.c @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -265,7 +265,6 @@ esp_err_t esp_eth_start(esp_eth_handle_t hdl) esp_eth_driver_t *eth_driver = (esp_eth_driver_t *)hdl; ESP_GOTO_ON_FALSE(eth_driver, ESP_ERR_INVALID_ARG, err, TAG, "ethernet driver handle can't be null"); esp_eth_phy_t *phy = eth_driver->phy; - esp_eth_mac_t *mac = eth_driver->mac; // check if driver has stopped esp_eth_fsm_t expected_fsm = ESP_ETH_FSM_STOP; ESP_GOTO_ON_FALSE(atomic_compare_exchange_strong(ð_driver->fsm, &expected_fsm, ESP_ETH_FSM_START), @@ -274,7 +273,6 @@ esp_err_t esp_eth_start(esp_eth_handle_t hdl) if (eth_driver->auto_nego_en == true) { ESP_GOTO_ON_ERROR(phy->autonego_ctrl(phy, ESP_ETH_PHY_AUTONEGO_RESTART, ð_driver->auto_nego_en), err, TAG, "phy negotiation failed"); } - ESP_GOTO_ON_ERROR(mac->start(mac), err, TAG, "start mac failed"); ESP_GOTO_ON_ERROR(esp_event_post(ETH_EVENT, ETHERNET_EVENT_START, ð_driver, sizeof(esp_eth_driver_t *), 0), err, TAG, "send ETHERNET_EVENT_START event failed"); ESP_GOTO_ON_ERROR(phy->get_link(phy), err, TAG, "phy get link status failed"); diff --git a/components/esp_eth/src/esp_eth_mac_esp.c b/components/esp_eth/src/esp_eth_mac_esp.c index 02df23aed4..46ce9f3942 100644 --- a/components/esp_eth/src/esp_eth_mac_esp.c +++ b/components/esp_eth/src/esp_eth_mac_esp.c @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2019-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -33,7 +33,7 @@ static const char *TAG = "esp.emac"; #define PHY_OPERATION_TIMEOUT_US (1000) -#define MAC_STOP_TIMEOUT_MS (100) +#define MAC_STOP_TIMEOUT_US (250) #define FLOW_CONTROL_LOW_WATER_MARK (CONFIG_ETH_DMA_RX_BUFFER_NUM / 3) #define FLOW_CONTROL_HIGH_WATER_MARK (FLOW_CONTROL_LOW_WATER_MARK * 2) @@ -65,6 +65,8 @@ typedef struct { static esp_err_t esp_emac_alloc_driver_obj(const eth_mac_config_t *config, emac_esp32_t **emac_out_hdl, void **out_descriptors); static void esp_emac_free_driver_obj(emac_esp32_t *emac, void *descriptors); +static esp_err_t emac_esp32_start(esp_eth_mac_t *mac); +static esp_err_t emac_esp32_stop(esp_eth_mac_t *mac); static esp_err_t emac_esp32_set_mediator(esp_eth_mac_t *mac, esp_eth_mediator_t *eth) { @@ -151,11 +153,11 @@ static esp_err_t emac_esp32_set_link(esp_eth_mac_t *mac, eth_link_t link) switch (link) { case ETH_LINK_UP: ESP_GOTO_ON_ERROR(esp_intr_enable(emac->intr_hdl), err, TAG, "enable interrupt failed"); - emac_hal_start(&emac->hal); + emac_esp32_start(mac); break; case ETH_LINK_DOWN: ESP_GOTO_ON_ERROR(esp_intr_disable(emac->intr_hdl), err, TAG, "disable interrupt failed"); - emac_hal_stop(&emac->hal); + emac_esp32_stop(mac); break; default: ESP_GOTO_ON_FALSE(false, ESP_ERR_INVALID_ARG, err, TAG, "unknown link status"); @@ -387,9 +389,9 @@ static esp_err_t emac_esp32_stop(esp_eth_mac_t *mac) if ((ret = emac_hal_stop(&emac->hal)) == ESP_OK) { break; } - to += 20; - vTaskDelay(pdMS_TO_TICKS(20)); - } while (to < MAC_STOP_TIMEOUT_MS); + to += 25; + esp_rom_delay_us(25); + } while (to < MAC_STOP_TIMEOUT_US); return ret; } diff --git a/components/hal/emac_hal.c b/components/hal/emac_hal.c index df9d0901b6..22f39987bd 100644 --- a/components/hal/emac_hal.c +++ b/components/hal/emac_hal.c @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -337,17 +337,16 @@ void emac_hal_start(emac_hal_context_t *hal) /* Flush Transmit FIFO */ emac_ll_flush_trans_fifo_enable(hal->dma_regs, true); - /* Flush Receive FIFO */ - emac_ll_flush_recv_frame_enable(hal->dma_regs, true); + + /* Start DMA transmission */ + emac_ll_start_stop_dma_transmit(hal->dma_regs, true); + /* Start DMA reception */ + emac_ll_start_stop_dma_receive(hal->dma_regs, true); /* Enable transmit state machine of the MAC for transmission on the MII */ emac_ll_transmit_enable(hal->mac_regs, true); /* Enable receive state machine of the MAC for reception from the MII */ emac_ll_receive_enable(hal->mac_regs, true); - /* Start DMA transmission */ - emac_ll_start_stop_dma_transmit(hal->dma_regs, true); - /* Start DMA reception */ - emac_ll_start_stop_dma_receive(hal->dma_regs, true); /* Clear all pending interrupts */ emac_ll_clear_all_pending_intr(hal->dma_regs); @@ -357,18 +356,24 @@ esp_err_t emac_hal_stop(emac_hal_context_t *hal) { /* Stop DMA transmission */ emac_ll_start_stop_dma_transmit(hal->dma_regs, false); - /* Stop DMA reception */ - emac_ll_start_stop_dma_receive(hal->dma_regs, false); if (emac_ll_transmit_frame_ctrl_status(hal->mac_regs) != 0x0) { /* Previous transmit in progress */ return ESP_ERR_INVALID_STATE; } - /* Disable receive state machine of the MAC for reception from the MII */ - emac_ll_transmit_enable(hal->mac_regs, false); /* Disable transmit state machine of the MAC for transmission on the MII */ emac_ll_receive_enable(hal->mac_regs, false); + /* Disable receive state machine of the MAC for reception from the MII */ + emac_ll_transmit_enable(hal->mac_regs, false); + + if (emac_ll_receive_read_ctrl_state(hal->mac_regs) != 0x0) { + /* Previous receive copy in progress */ + return ESP_ERR_INVALID_STATE; + } + + /* Stop DMA reception */ + emac_ll_start_stop_dma_receive(hal->dma_regs, false); /* Disable Ethernet MAC and DMA Interrupt */ emac_ll_disable_all_intr(hal->dma_regs); diff --git a/components/hal/esp32/include/hal/emac_ll.h b/components/hal/esp32/include/hal/emac_ll.h index bea18961bc..cd341b1c5f 100644 --- a/components/hal/esp32/include/hal/emac_ll.h +++ b/components/hal/esp32/include/hal/emac_ll.h @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -342,6 +342,11 @@ static inline uint32_t emac_ll_transmit_frame_ctrl_status(emac_mac_dev_t *mac_re return mac_regs->emacdebug.mactfcs; } +static inline uint32_t emac_ll_receive_read_ctrl_state(emac_mac_dev_t *mac_regs) +{ + return mac_regs->emacdebug.mtlrfrcs; +} + /* emacmiidata */ static inline void emac_ll_set_phy_data(emac_mac_dev_t *mac_regs, uint32_t data) { diff --git a/components/hal/include/hal/emac_hal.h b/components/hal/include/hal/emac_hal.h index 4f332811ab..27cd38456d 100644 --- a/components/hal/include/hal/emac_hal.h +++ b/components/hal/include/hal/emac_hal.h @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -225,7 +225,7 @@ void emac_hal_start(emac_hal_context_t *hal); * @param hal EMAC HAL context infostructure * @return * - ESP_OK: succeed - * - ESP_ERR_INVALID_STATE: previous frame transmission is not completed. When this error occurs, + * - ESP_ERR_INVALID_STATE: previous frame transmission/reception is not completed. When this error occurs, * wait and reapeat the EMAC stop again. */ esp_err_t emac_hal_stop(emac_hal_context_t *hal); From 57225f99c7f5132daea0a207e0908464033b4399 Mon Sep 17 00:00:00 2001 From: Ondrej Kosta Date: Tue, 18 Jan 2022 13:55:06 +0100 Subject: [PATCH 2/2] Created EMAC start/stop stress test under heavy traffic --- .gitlab-ci.yml | 1 + components/esp_eth/test_apps/README.md | 12 +- .../esp_eth/test_apps/main/esp_eth_test.c | 179 +++++++++++++++++- .../esp_eth/test_apps/pytest_esp_eth.py | 81 ++++++-- 4 files changed, 252 insertions(+), 21 deletions(-) diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml index 1742591fe3..e1debb8085 100644 --- a/.gitlab-ci.yml +++ b/.gitlab-ci.yml @@ -168,6 +168,7 @@ before_script: - retry_failed git clone --depth 1 --branch $PYTEST_EMBEDDED_TAG https://gitlab-ci-token:${BOT_TOKEN}@${CI_SERVER_HOST}:${CI_SERVER_PORT}/idf/pytest-embedded.git - cd pytest-embedded && bash foreach.sh install - pip install pytest-rerunfailures + - pip install scapy - cd $IDF_PATH default: diff --git a/components/esp_eth/test_apps/README.md b/components/esp_eth/test_apps/README.md index f4c88b87b9..a65add8cb4 100644 --- a/components/esp_eth/test_apps/README.md +++ b/components/esp_eth/test_apps/README.md @@ -1,7 +1,15 @@ +# EMAC Test | Supported Targets | ESP32 | | ----------------- | ----- | This test app is used to test MAC layer behavior with different PHY chips: -- ip101 -- lan8720 +- IP101 +- LAN8720 + +## Prerequisites +Install third part Python packages: + +```bash +pip install scapy +``` diff --git a/components/esp_eth/test_apps/main/esp_eth_test.c b/components/esp_eth/test_apps/main/esp_eth_test.c index b934b51b59..b3b117eb22 100644 --- a/components/esp_eth/test_apps/main/esp_eth_test.c +++ b/components/esp_eth/test_apps/main/esp_eth_test.c @@ -17,6 +17,10 @@ #define ETH_MULTICAST_RECV_BIT BIT(1) #define ETH_UNICAST_RECV_BIT BIT(2) +#define POKE_REQ 0xFA +#define POKE_RESP 0xFB +#define DUMMY_TRAFFIC 0xFF + typedef struct { uint8_t dest[6]; uint8_t src[6]; @@ -170,12 +174,14 @@ TEST_CASE("ethernet_broadcast_transmit", "[esp_eth]") TEST_ASSERT_EQUAL(ESP_OK, esp_eth_start(eth_handle)); // start Ethernet driver state machine TEST_ASSERT(xSemaphoreTake(mutex, pdMS_TO_TICKS(3000))); + // even if PHY (IP101) indicates autonegotiation done and link up, it sometimes may miss few packets after atonego reset, hence wait a bit + vTaskDelay(pdMS_TO_TICKS(100)); emac_frame_t *pkt = malloc(1024); pkt->proto = 0x2222; memset(pkt->dest, 0xff, 6); // broadcast addr - for (int i = 128; i < 1024; ++i){ - ((uint8_t*)pkt)[i] = i & 0xff; + for (int i = 0; i < (1024 - ETH_HEADER_LEN); ++i){ + pkt->data[i] = i & 0xff; } TEST_ASSERT_EQUAL(ESP_OK, esp_eth_transmit(eth_handle, pkt, 1024)); @@ -198,8 +204,8 @@ esp_err_t l2_packet_txrx_test_cb(esp_eth_handle_t hdl, uint8_t *buffer, uint32_t // check header if (pkt->proto == 0x2222 && length == 1024) { // check content - for (int i = 128; i < 1024; ++i) { - if (buffer[i] != (i & 0xff)) { + for (int i = 0; i < (length - ETH_HEADER_LEN); ++i) { + if (pkt->data[i] != (i & 0xff)) { return ESP_OK; } } @@ -259,6 +265,171 @@ TEST_CASE("recv_pkt", "[esp_eth]") vEventGroupDelete(eth_event_group); } +typedef struct +{ + SemaphoreHandle_t mutex; + int rx_pkt_cnt; +} recv_info_t; + +TEST_CASE("start_stop_stress_test", "[esp_eth]") +{ + void eth_event_handler(void *arg, esp_event_base_t event_base, + int32_t event_id, void *event_data) + { + EventGroupHandle_t eth_event_group = (EventGroupHandle_t)arg; + switch (event_id) { + case ETHERNET_EVENT_CONNECTED: + xEventGroupSetBits(eth_event_group, ETH_CONNECT_BIT); + break; + case ETHERNET_EVENT_DISCONNECTED: + break; + case ETHERNET_EVENT_START: + xEventGroupSetBits(eth_event_group, ETH_START_BIT); + break; + case ETHERNET_EVENT_STOP: + xEventGroupSetBits(eth_event_group, ETH_STOP_BIT); + break; + default: + break; + } + } + esp_err_t eth_recv_cb(esp_eth_handle_t hdl, uint8_t *buffer, uint32_t length, void *priv) + { + emac_frame_t *pkt = (emac_frame_t *)buffer; + recv_info_t *recv_info = (recv_info_t *)priv; + + if (pkt->proto == 0x2222) { + switch (pkt->data[0]) + { + case POKE_RESP: + xSemaphoreGive(recv_info->mutex); + break; + + case DUMMY_TRAFFIC: + (recv_info->rx_pkt_cnt)++; + break; + default: + break; + } + } + free(buffer); + return ESP_OK; + } + + recv_info_t recv_info; + recv_info.mutex = xSemaphoreCreateBinary(); + TEST_ASSERT_NOT_NULL(recv_info.mutex); + recv_info.rx_pkt_cnt = 0; + + eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); // apply default MAC configuration + esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&mac_config); // create MAC instance + TEST_ASSERT_NOT_NULL(mac); + eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // apply default PHY configuration +#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_IP101) + esp_eth_phy_t *phy = esp_eth_phy_new_ip101(&phy_config); // create PHY instance +#elif defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX) + esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config); +#endif + TEST_ASSERT_NOT_NULL(phy); + esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy); // apply default driver configuration + esp_eth_handle_t eth_handle = NULL; // after driver installed, we will get the handle of the driver + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_driver_install(&config, ð_handle)); // install driver + TEST_ASSERT_NOT_NULL(eth_handle); + + TEST_ASSERT_EQUAL(ESP_OK, mac->get_addr(mac, local_mac_addr)); + // test app will parse the DUT MAC from this line of log output + printf("DUT MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", local_mac_addr[0], local_mac_addr[1], local_mac_addr[2], + local_mac_addr[3], local_mac_addr[4], local_mac_addr[5]); + + TEST_ESP_OK(esp_eth_update_input_path(eth_handle, eth_recv_cb, &recv_info)); + + EventBits_t bits = 0; + EventGroupHandle_t eth_event_group = xEventGroupCreate(); + TEST_ASSERT(eth_event_group != NULL); + TEST_ESP_OK(esp_event_loop_create_default()); + TEST_ESP_OK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, eth_event_group)); + + // create a control frame to control test flow between the UT and the Python test script + emac_frame_t *ctrl_pkt = calloc(1, 60); + ctrl_pkt->proto = 0x2222; + memset(ctrl_pkt->dest, 0xff, 6); // broadcast addr + memcpy(ctrl_pkt->src, local_mac_addr, 6); + + // create dummy data packet used for traffic generation + emac_frame_t *pkt = calloc(1, 1500); + pkt->proto = 0x2222; + // we don't care about dest MAC address much, however it is better to not be broadcast or multifcast to not flood + // other network nodes + memset(pkt->dest, 0xBA, 6); + memcpy(pkt->src, local_mac_addr, 6); + + printf("EMAC start/stop stress test under heavy Tx traffic\n"); + for (int tx_i = 0; tx_i < 10; tx_i++) { + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_start(eth_handle)); // start Ethernet driver state machine + bits = xEventGroupWaitBits(eth_event_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000)); + TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT); + // even if PHY (IP101) indicates autonegotiation done and link up, it sometimes may miss few packets after atonego reset, hence wait a bit + vTaskDelay(pdMS_TO_TICKS(100)); + + // at first, check that Tx/Rx path works as expected by poking the test script + // this also serves as main PASS/FAIL criteria + ctrl_pkt->data[0] = POKE_REQ; + ctrl_pkt->data[1] = tx_i; + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_transmit(eth_handle, ctrl_pkt, 60)); + TEST_ASSERT(xSemaphoreTake(recv_info.mutex, pdMS_TO_TICKS(3000))); + printf("Tx Test iteration %d\n", tx_i); + + // generate heavy Tx traffic + printf("Note: transmit errors are expected...\n"); + for (int j = 0; j < 150; j++) { + // return value is not checked on purpose since it is expected that it may fail time to time because + // we may try to queue more packets than hardware is able to handle + pkt->data[0] = j & 0xFF; + esp_eth_transmit(eth_handle, pkt, 1500); + } + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_stop(eth_handle)); + bits = xEventGroupWaitBits(eth_event_group, ETH_STOP_BIT, true, true, pdMS_TO_TICKS(3000)); + TEST_ASSERT((bits & ETH_STOP_BIT) == ETH_STOP_BIT); + printf("Ethernet stopped\n"); + } + + printf("EMAC start/stop stress test under heavy Rx traffic\n"); + for (int rx_i = 0; rx_i < 10; rx_i++) { + recv_info.rx_pkt_cnt = 0; + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_start(eth_handle)); // start Ethernet driver state machine + bits = xEventGroupWaitBits(eth_event_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000)); + TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT); + // even if PHY (IP101) indicates autonegotiation done and link up, it sometimes may miss few packets after atonego reset, hence wait a bit + vTaskDelay(pdMS_TO_TICKS(100)); + + ctrl_pkt->data[0] = POKE_REQ; + ctrl_pkt->data[1] = rx_i; + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_transmit(eth_handle, ctrl_pkt, 60)); + TEST_ASSERT(xSemaphoreTake(recv_info.mutex, pdMS_TO_TICKS(3000))); + printf("Rx Test iteration %d\n", rx_i); + + vTaskDelay(pdMS_TO_TICKS(500)); + + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_stop(eth_handle)); + bits = xEventGroupWaitBits(eth_event_group, ETH_STOP_BIT, true, true, pdMS_TO_TICKS(3000)); + TEST_ASSERT((bits & ETH_STOP_BIT) == ETH_STOP_BIT); + printf("Recv packets: %d\n", recv_info.rx_pkt_cnt); + TEST_ASSERT_GREATER_THAN_INT32(0, recv_info.rx_pkt_cnt); + printf("Ethernet stopped\n"); + } + + free(ctrl_pkt); + free(pkt); + + TEST_ESP_OK(esp_event_handler_unregister(ETH_EVENT, ESP_EVENT_ANY_ID, eth_event_handler)); + TEST_ASSERT_EQUAL(ESP_OK, esp_event_loop_delete_default()); + TEST_ASSERT_EQUAL(ESP_OK, esp_eth_driver_uninstall(eth_handle)); + phy->del(phy); + mac->del(mac); + vEventGroupDelete(eth_event_group); + vSemaphoreDelete(recv_info.mutex); +} + void app_main(void) { unity_run_menu(); diff --git a/components/esp_eth/test_apps/pytest_esp_eth.py b/components/esp_eth/test_apps/pytest_esp_eth.py index cb79e58005..f6388dc991 100644 --- a/components/esp_eth/test_apps/pytest_esp_eth.py +++ b/components/esp_eth/test_apps/pytest_esp_eth.py @@ -5,10 +5,13 @@ import contextlib import logging import os import socket +from collections.abc import Callable +from threading import Thread from typing import Iterator import pytest from pytest_embedded import Dut +from scapy.all import Ether, raw @contextlib.contextmanager @@ -35,18 +38,44 @@ def configure_eth_if() -> Iterator[socket.socket]: so.close() -def send_eth_packet(mac: bytes) -> None: +def send_eth_packet(mac: str) -> None: with configure_eth_if() as so: so.settimeout(10) - pkt = bytearray() - pkt += mac # dest - pkt += so.getsockname()[4] # src - pkt += bytes.fromhex('2222') # proto - pkt += bytes(1010) # padding to 1024 - for i in range(128, 1024): - pkt[i] = i & 0xff + payload = bytearray(1010) + for i, _ in enumerate(payload): + payload[i] = i & 0xff + eth_frame = Ether(dst=mac, src=so.getsockname()[4], type=0x2222) / raw(payload) try: - so.send(pkt) + so.send(raw(eth_frame)) + except Exception as e: + raise e + + +def recv_resp_poke(i: int) -> None: + with configure_eth_if() as so: + so.settimeout(10) + try: + eth_frame = Ether(so.recv(60)) + + if eth_frame.type == 0x2222 and eth_frame.load[0] == 0xfa: + if eth_frame.load[1] != i: + raise Exception('Missed Poke Packet') + eth_frame.dst = eth_frame.src + eth_frame.src = so.getsockname()[4] + eth_frame.load = bytes.fromhex('fb') # POKE_RESP code + so.send(raw(eth_frame)) + except Exception as e: + raise e + + +def traffic_gen(mac: str, enabled: Callable) -> None: + with configure_eth_if() as so: + payload = bytes.fromhex('ff') # DUMMY_TRAFFIC code + payload += bytes(1485) + eth_frame = Ether(dst=mac, src=so.getsockname()[4], type=0x2222) / raw(payload) + try: + while enabled() == 1: + so.send(raw(eth_frame)) except Exception as e: raise e @@ -67,9 +96,9 @@ def actual_test(dut: Dut) -> None: with configure_eth_if() as so: so.settimeout(30) dut.write('"ethernet_broadcast_transmit"') - pkt = so.recv(1024) - for i in range(128, 1024): - if pkt[i] != i & 0xff: + eth_frame = Ether(so.recv(1024)) + for i in range(0, 1010): + if eth_frame.load[i] != i & 0xff: raise Exception('Packet content mismatch') dut.expect_unity_test_output() @@ -79,11 +108,33 @@ def actual_test(dut: Dut) -> None: r'([\s\S]*)' r'DUT MAC: ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})' ) - send_eth_packet(bytes.fromhex('ffffffffffff')) # broadcast frame # pylint: disable=no-value-for-parameter - send_eth_packet(bytes.fromhex('010000000000')) # multicast frame # pylint: disable=no-value-for-parameter - send_eth_packet(bytes.fromhex(res.group(2).decode('utf-8').replace(':', ''))) # unicast fram # pylint: disable=no-value-for-parameter, line-too-long # noqa + send_eth_packet('ff:ff:ff:ff:ff:ff') # broadcast frame + send_eth_packet('01:00:00:00:00:00') # multicast frame + send_eth_packet(res.group(2)) # unicast frame dut.expect_unity_test_output(extra_before=res.group(1)) + dut.expect_exact("Enter next test, or 'enter' to see menu") + dut.write('"start_stop_stress_test"') + res = dut.expect( + r'([\s\S]*)' + r'DUT MAC: ([0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2}:[0-9A-Fa-f]{2})' + ) + # Start/stop under heavy Tx traffic + for tx_i in range(10): + recv_resp_poke(tx_i) + + # Start/stop under heavy Rx traffic + traffic_en = 1 + thread = Thread(target=traffic_gen, args=(res.group(2), lambda:traffic_en, )) + thread.start() + try: + for rx_i in range(10): + recv_resp_poke(rx_i) + finally: + traffic_en = 0 + thread.join() + dut.expect_unity_test_output() + @pytest.mark.esp32 @pytest.mark.ip101