mirror of
https://github.com/espressif/esp-idf.git
synced 2024-10-05 20:47:46 -04:00
dcedccd704
Added filtering frames based on MAC address
395 lines
17 KiB
C
395 lines
17 KiB
C
#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/event_groups.h"
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#include "esp_event.h"
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#include "unity.h"
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#include "esp_netif.h"
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#include "esp_eth.h"
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#include "sdkconfig.h"
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#include "lwip/sockets.h"
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#define TEST_ETH_TYPE 0x3300
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#define TEST_CTRL_ETH_TYPE (TEST_ETH_TYPE + 1)
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#define WAIT_AFTER_CONN_MS 2500
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#define WAIT_AFTER_CONN_TMO_MS 20000
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#define ETH_START_BIT BIT(0)
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#define ETH_STOP_BIT BIT(1)
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#define ETH_CONNECT_BIT BIT(2)
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#define ETH_BROADCAST_RECV_BIT BIT(0)
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#define ETH_MULTICAST_RECV_BIT BIT(1)
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#define ETH_UNICAST_RECV_BIT BIT(2)
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#define ETH_POKE_RESP_RECV_BIT BIT(3)
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#define POKE_REQ 0xFA
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#define POKE_RESP 0xFB
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#define DUMMY_TRAFFIC 0xFF
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typedef struct {
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uint8_t dest[6];
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uint8_t src[6];
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uint16_t proto;
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uint8_t data[];
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} __attribute__((__packed__)) emac_frame_t;
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typedef struct
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{
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EventGroupHandle_t eth_event_group;
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uint8_t dst_mac_addr[ETH_ADDR_LEN];
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int unicast_rx_cnt;
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int multicast_rx_cnt;
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int brdcast_rx_cnt;
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bool check_rx_data;
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} recv_info_t;
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static void eth_event_handler(void *arg, esp_event_base_t event_base,
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int32_t event_id, void *event_data){
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EventGroupHandle_t eth_event_group = (EventGroupHandle_t)arg;
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switch (event_id) {
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case ETHERNET_EVENT_CONNECTED:
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xEventGroupSetBits(eth_event_group, ETH_CONNECT_BIT);
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break;
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case ETHERNET_EVENT_DISCONNECTED:
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break;
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case ETHERNET_EVENT_START:
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xEventGroupSetBits(eth_event_group, ETH_START_BIT);
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break;
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case ETHERNET_EVENT_STOP:
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xEventGroupSetBits(eth_event_group, ETH_STOP_BIT);
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break;
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default:
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break;
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}
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}
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esp_err_t l2_packet_txrx_test_cb(esp_eth_handle_t hdl, uint8_t *buffer, uint32_t length, void *priv) {
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recv_info_t *recv_info = (recv_info_t*)priv;
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EventGroupHandle_t eth_event_group = recv_info->eth_event_group;
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emac_frame_t *pkt = (emac_frame_t *)buffer;
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// check header
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if (pkt->proto == ntohs(TEST_ETH_TYPE)) { // data packet
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uint8_t local_mac_addr[ETH_ADDR_LEN];
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esp_eth_ioctl(hdl, ETH_CMD_G_MAC_ADDR, local_mac_addr);
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// check data content
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if (recv_info->check_rx_data) {
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if (length == 1024) {
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for (int i = 0; i < (length - ETH_HEADER_LEN); ++i) {
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if (pkt->data[i] != (i & 0xff)) {
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printf("payload mismatch\n");
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free(buffer);
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return ESP_OK;
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}
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}
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}
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}
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if (memcmp(pkt->dest, "\xff\xff\xff\xff\xff\xff", ETH_ADDR_LEN) == 0) {
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recv_info->brdcast_rx_cnt++;
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xEventGroupSetBits(eth_event_group, ETH_BROADCAST_RECV_BIT);
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} else if (pkt->dest[0] & 0x1) {
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recv_info->multicast_rx_cnt++;
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xEventGroupSetBits(eth_event_group, ETH_MULTICAST_RECV_BIT);
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} else if (memcmp(pkt->dest, local_mac_addr, ETH_ADDR_LEN) == 0) {
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recv_info->unicast_rx_cnt++;
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xEventGroupSetBits(eth_event_group, ETH_UNICAST_RECV_BIT);
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}
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} else if (ntohs(pkt->proto) == TEST_CTRL_ETH_TYPE) { // control packet
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if (pkt->data[0] == POKE_RESP) {
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memcpy(recv_info->dst_mac_addr, pkt->dest, ETH_ADDR_LEN);
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printf("Poke response received\n");
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xEventGroupSetBits(eth_event_group, ETH_POKE_RESP_RECV_BIT);
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}
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}
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free(buffer);
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return ESP_OK;
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}
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/**
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* @brief The function sends a "POKE" request message over the Ethernet and waits until the test script sends a reply.
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* Multiple "POKE" attempts are issued when timeout for the reply expires.
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* This function is used to drive the test flow and to ensure that data path between the test points
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* has been established. I.e. if DUT is connected in network with a switch, even if link is indicated up,
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* it may take some time the switch starts forwarding the associated port (e.g. it runs RSTP at first).
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*/
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void poke_and_wait(esp_eth_handle_t eth_handle, void *data, uint16_t size, EventGroupHandle_t eth_event_group)
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{
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// create a control frame to control test flow between the UT and the Python test script
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emac_frame_t *ctrl_pkt = calloc(1, 60);
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ctrl_pkt->proto = htons(TEST_CTRL_ETH_TYPE);
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memset(ctrl_pkt->dest, 0xff, ETH_ADDR_LEN); // broadcast addr
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esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, ctrl_pkt->src);
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ctrl_pkt->data[0] = POKE_REQ;
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if (data != NULL && size > 0) {
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memcpy(&ctrl_pkt->data[1], data, size);
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}
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uint32_t tmo;
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uint32_t i;
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for(tmo = 0, i = 1; tmo < WAIT_AFTER_CONN_TMO_MS; tmo += WAIT_AFTER_CONN_MS, i++) {
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printf("Poke attempt #%" PRIu32 "\n", i);
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TEST_ESP_OK(esp_eth_transmit(eth_handle, ctrl_pkt, 60));
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EventBits_t bits = xEventGroupWaitBits(eth_event_group, ETH_POKE_RESP_RECV_BIT,
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true, true, pdMS_TO_TICKS(WAIT_AFTER_CONN_MS));
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if ((bits & ETH_POKE_RESP_RECV_BIT) == ETH_POKE_RESP_RECV_BIT) {
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break;
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}
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}
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TEST_ASSERT(tmo < WAIT_AFTER_CONN_TMO_MS);
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free(ctrl_pkt);
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}
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TEST_CASE("ethernet_broadcast_transmit", "[esp_eth]")
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{
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); // apply default MAC configuration
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eth_esp32_emac_config_t esp32_emac_config = ETH_ESP32_EMAC_DEFAULT_CONFIG();
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esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&esp32_emac_config, &mac_config); // create MAC instance
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TEST_ASSERT_NOT_NULL(mac);
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // apply default PHY configuration
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#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_IP101)
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esp_eth_phy_t *phy = esp_eth_phy_new_ip101(&phy_config); // create PHY instance
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#elif defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX)
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esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config);
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#endif
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TEST_ASSERT_NOT_NULL(phy);
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy); // apply default driver configuration
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esp_eth_handle_t eth_handle = NULL; // after driver installed, we will get the handle of the driver
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TEST_ASSERT_EQUAL(ESP_OK, esp_eth_driver_install(&config, ð_handle)); // install driver
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TEST_ASSERT_NOT_NULL(eth_handle);
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TEST_ESP_OK(esp_event_loop_create_default());
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EventGroupHandle_t eth_event_state_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_state_group != NULL);
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TEST_ESP_OK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, eth_event_state_group));
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EventGroupHandle_t eth_event_rx_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_rx_group != NULL);
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recv_info_t recv_info = {
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.eth_event_group = eth_event_rx_group,
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.check_rx_data = false,
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.unicast_rx_cnt = 0,
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.multicast_rx_cnt = 0,
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.brdcast_rx_cnt = 0
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};
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uint8_t local_mac_addr[ETH_ADDR_LEN] = {};
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TEST_ESP_OK(mac->get_addr(mac, local_mac_addr));
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// test app will parse the DUT MAC from this line of log output
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printf("DUT MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", local_mac_addr[0], local_mac_addr[1], local_mac_addr[2],
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local_mac_addr[3], local_mac_addr[4], local_mac_addr[5]);
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TEST_ESP_OK(esp_eth_update_input_path(eth_handle, l2_packet_txrx_test_cb, &recv_info));
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TEST_ESP_OK(esp_eth_start(eth_handle)); // start Ethernet driver state machine
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EventBits_t bits = 0;
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bits = xEventGroupWaitBits(eth_event_state_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT);
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// if DUT is connected in network with switch: even if link is indicated up, it may take some time the switch
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// starts switching the associated port (e.g. it runs RSTP at first)
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poke_and_wait(eth_handle, NULL, 0, eth_event_rx_group);
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emac_frame_t *pkt = malloc(1024);
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pkt->proto = htons(TEST_ETH_TYPE);
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TEST_ESP_OK(esp_eth_ioctl(eth_handle, ETH_CMD_G_MAC_ADDR, pkt->src));
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memset(pkt->dest, 0xff, ETH_ADDR_LEN); // broadcast addr
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for (int i = 0; i < (1024 - ETH_HEADER_LEN); ++i){
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pkt->data[i] = i & 0xff;
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}
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TEST_ESP_OK(esp_eth_transmit(eth_handle, pkt, 1024));
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// give it some time to complete transmit
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vTaskDelay(pdMS_TO_TICKS(500));
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free(pkt);
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TEST_ESP_OK(esp_eth_stop(eth_handle));
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TEST_ESP_OK(esp_event_loop_delete_default());
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TEST_ESP_OK(esp_eth_driver_uninstall(eth_handle));
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phy->del(phy);
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mac->del(mac);
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vEventGroupDelete(eth_event_rx_group);
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vEventGroupDelete(eth_event_state_group);
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}
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TEST_CASE("recv_pkt", "[esp_eth]")
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{
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); // apply default MAC configuration
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eth_esp32_emac_config_t esp32_emac_config = ETH_ESP32_EMAC_DEFAULT_CONFIG();
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esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&esp32_emac_config, &mac_config); // create MAC instance
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TEST_ASSERT_NOT_NULL(mac);
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // apply default PHY configuration
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#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_IP101)
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esp_eth_phy_t *phy = esp_eth_phy_new_ip101(&phy_config); // create PHY instance
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#elif defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX)
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esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config);
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#endif
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TEST_ASSERT_NOT_NULL(phy);
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy); // apply default driver configuration
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esp_eth_handle_t eth_handle = NULL; // after driver installed, we will get the handle of the driver
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TEST_ASSERT_EQUAL(ESP_OK, esp_eth_driver_install(&config, ð_handle)); // install driver
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TEST_ASSERT_NOT_NULL(eth_handle);
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TEST_ESP_OK(esp_event_loop_create_default());
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EventGroupHandle_t eth_event_state_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_state_group != NULL);
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TEST_ESP_OK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, eth_event_state_group));
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EventGroupHandle_t eth_event_rx_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_rx_group != NULL);
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recv_info_t recv_info = {
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.eth_event_group = eth_event_rx_group,
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.check_rx_data = true,
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.unicast_rx_cnt = 0,
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.multicast_rx_cnt = 0,
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.brdcast_rx_cnt = 0
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};
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uint8_t local_mac_addr[ETH_ADDR_LEN] = {};
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TEST_ESP_OK(mac->get_addr(mac, local_mac_addr));
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// test app will parse the DUT MAC from this line of log output
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printf("DUT MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", local_mac_addr[0], local_mac_addr[1], local_mac_addr[2],
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local_mac_addr[3], local_mac_addr[4], local_mac_addr[5]);
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TEST_ESP_OK(esp_eth_update_input_path(eth_handle, l2_packet_txrx_test_cb, &recv_info));
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TEST_ESP_OK(esp_eth_start(eth_handle)); // start Ethernet driver state machine
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EventBits_t bits = 0;
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bits = xEventGroupWaitBits(eth_event_state_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT);
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// if DUT is connected in network with switch: even if link is indicated up, it may take some time the switch
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// starts switching the associated port (e.g. it runs RSTP at first)
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poke_and_wait(eth_handle, NULL, 0, eth_event_rx_group);
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bits = 0;
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bits = xEventGroupWaitBits(eth_event_rx_group, ETH_BROADCAST_RECV_BIT | ETH_MULTICAST_RECV_BIT | ETH_UNICAST_RECV_BIT,
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true, true, pdMS_TO_TICKS(5000));
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printf("bits = 0x%" PRIu32 "\n", (uint32_t)bits & (ETH_BROADCAST_RECV_BIT | ETH_MULTICAST_RECV_BIT | ETH_UNICAST_RECV_BIT));
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TEST_ASSERT((bits & (ETH_BROADCAST_RECV_BIT | ETH_MULTICAST_RECV_BIT | ETH_UNICAST_RECV_BIT)) ==
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(ETH_BROADCAST_RECV_BIT | ETH_MULTICAST_RECV_BIT | ETH_UNICAST_RECV_BIT));
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TEST_ESP_OK(esp_eth_stop(eth_handle));
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TEST_ESP_OK(esp_event_loop_delete_default());
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TEST_ESP_OK(esp_eth_driver_uninstall(eth_handle));
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phy->del(phy);
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mac->del(mac);
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vEventGroupDelete(eth_event_state_group);
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vEventGroupDelete(eth_event_rx_group);
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}
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TEST_CASE("start_stop_stress_test", "[esp_eth]")
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{
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eth_mac_config_t mac_config = ETH_MAC_DEFAULT_CONFIG(); // apply default MAC configuration
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eth_esp32_emac_config_t esp32_emac_config = ETH_ESP32_EMAC_DEFAULT_CONFIG();
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esp_eth_mac_t *mac = esp_eth_mac_new_esp32(&esp32_emac_config, &mac_config); // create MAC instance
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TEST_ASSERT_NOT_NULL(mac);
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eth_phy_config_t phy_config = ETH_PHY_DEFAULT_CONFIG(); // apply default PHY configuration
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#if defined(CONFIG_TARGET_ETH_PHY_DEVICE_IP101)
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esp_eth_phy_t *phy = esp_eth_phy_new_ip101(&phy_config); // create PHY instance
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#elif defined(CONFIG_TARGET_ETH_PHY_DEVICE_LAN87XX)
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esp_eth_phy_t *phy = esp_eth_phy_new_lan87xx(&phy_config);
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#endif
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TEST_ASSERT_NOT_NULL(phy);
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esp_eth_config_t config = ETH_DEFAULT_CONFIG(mac, phy); // apply default driver configuration
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esp_eth_handle_t eth_handle = NULL; // after driver installed, we will get the handle of the driver
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TEST_ASSERT_EQUAL(ESP_OK, esp_eth_driver_install(&config, ð_handle)); // install driver
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TEST_ASSERT_NOT_NULL(eth_handle);
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TEST_ESP_OK(esp_event_loop_create_default());
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EventBits_t bits = 0;
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EventGroupHandle_t eth_event_state_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_state_group != NULL);
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TEST_ESP_OK(esp_event_handler_register(ETH_EVENT, ESP_EVENT_ANY_ID, ð_event_handler, eth_event_state_group));
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EventGroupHandle_t eth_event_rx_group = xEventGroupCreate();
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TEST_ASSERT(eth_event_rx_group != NULL);
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recv_info_t recv_info = {
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.eth_event_group = eth_event_rx_group,
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.check_rx_data = false,
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.unicast_rx_cnt = 0,
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.multicast_rx_cnt = 0,
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.brdcast_rx_cnt = 0
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};
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uint8_t local_mac_addr[ETH_ADDR_LEN] = {};
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TEST_ESP_OK(mac->get_addr(mac, local_mac_addr));
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// test app will parse the DUT MAC from this line of log output
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printf("DUT MAC: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n", local_mac_addr[0], local_mac_addr[1], local_mac_addr[2],
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local_mac_addr[3], local_mac_addr[4], local_mac_addr[5]);
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TEST_ESP_OK(esp_eth_update_input_path(eth_handle, l2_packet_txrx_test_cb, &recv_info));
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// create dummy data packet used for traffic generation
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emac_frame_t *pkt = calloc(1, 1500);
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pkt->proto = htons(TEST_ETH_TYPE);
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memcpy(pkt->dest, recv_info.dst_mac_addr, ETH_ADDR_LEN);
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memcpy(pkt->src, local_mac_addr, ETH_ADDR_LEN);
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printf("EMAC start/stop stress test under heavy Tx traffic\n");
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for (int tx_i = 0; tx_i < 10; tx_i++) {
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printf("Tx Test iteration %d\n", tx_i);
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TEST_ESP_OK(esp_eth_start(eth_handle)); // start Ethernet driver state machine
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bits = xEventGroupWaitBits(eth_event_state_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT);
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// at first, check that Tx/Rx path works as expected by poking the test script
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// this also serves as main PASS/FAIL criteria
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poke_and_wait(eth_handle, &tx_i, sizeof(tx_i), eth_event_rx_group);
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// generate heavy Tx traffic
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printf("Note: transmit errors are expected...\n");
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for (int j = 0; j < 150; j++) {
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// return value is not checked on purpose since it is expected that it may fail time to time because
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// we may try to queue more packets than hardware is able to handle
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pkt->data[2] = j & 0xFF; // sequence number
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esp_eth_transmit(eth_handle, pkt, 1500);
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}
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TEST_ESP_OK(esp_eth_stop(eth_handle));
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bits = xEventGroupWaitBits(eth_event_state_group, ETH_STOP_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_STOP_BIT) == ETH_STOP_BIT);
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printf("Ethernet stopped\n");
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}
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printf("EMAC start/stop stress test under heavy Rx traffic\n");
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for (int rx_i = 0; rx_i < 10; rx_i++) {
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printf("Rx Test iteration %d\n", rx_i);
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TEST_ESP_OK(esp_eth_start(eth_handle)); // start Ethernet driver state machine
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bits = xEventGroupWaitBits(eth_event_state_group, ETH_CONNECT_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_CONNECT_BIT) == ETH_CONNECT_BIT);
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poke_and_wait(eth_handle, &rx_i, sizeof(rx_i), eth_event_rx_group);
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// wait for dummy traffic
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xEventGroupClearBits(eth_event_rx_group, ETH_UNICAST_RECV_BIT);
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recv_info.unicast_rx_cnt = 0;
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bits = xEventGroupWaitBits(eth_event_rx_group, ETH_UNICAST_RECV_BIT, true, true, pdMS_TO_TICKS(3000));
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TEST_ASSERT((bits & ETH_UNICAST_RECV_BIT) == ETH_UNICAST_RECV_BIT);
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|
|
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vTaskDelay(pdMS_TO_TICKS(500));
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|
|
|
TEST_ESP_OK(esp_eth_stop(eth_handle));
|
|
bits = xEventGroupWaitBits(eth_event_state_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.unicast_rx_cnt);
|
|
TEST_ASSERT_GREATER_THAN_INT32(0, recv_info.unicast_rx_cnt);
|
|
printf("Ethernet stopped\n");
|
|
}
|
|
|
|
free(pkt);
|
|
|
|
// Add an extra delay to be sure that there is no traffic generated by the test script during the driver un-installation.
|
|
// It was observed unintended behavior of the switch used in test environment when link is set down under heavy load.
|
|
vTaskDelay(pdMS_TO_TICKS(500));
|
|
|
|
TEST_ESP_OK(esp_event_handler_unregister(ETH_EVENT, ESP_EVENT_ANY_ID, eth_event_handler));
|
|
TEST_ESP_OK(esp_event_loop_delete_default());
|
|
TEST_ESP_OK(esp_eth_driver_uninstall(eth_handle));
|
|
phy->del(phy);
|
|
mac->del(mac);
|
|
vEventGroupDelete(eth_event_rx_group);
|
|
vEventGroupDelete(eth_event_state_group);
|
|
}
|
|
|
|
void app_main(void)
|
|
{
|
|
unity_run_menu();
|
|
}
|