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ethernet: bugfix and optimize 

1. check frame length before pass to stack
2. replace semaphore with task notify
pull/4068/head
suda-morris 2019-08-28 16:04:50 +08:00
rodzic 5b9576e282
commit 14ffd355e6
3 zmienionych plików z 25 dodań i 26 usunięć
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4
components/esp_eth/Kconfig
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@ -114,7 +114,7 @@ menu "Ethernet"
config ETH_DMA_RX_BUFFER_NUM
int "Amount of Ethernet DMA Rx buffers"
range 3 20
range 3 30
default 10
help
Number of DMA receive buffers. Each buffer's size is ETH_DMA_BUFFER_SIZE.
@ -122,7 +122,7 @@ menu "Ethernet"
config ETH_DMA_TX_BUFFER_NUM
int "Amount of Ethernet DMA Tx buffers"
range 3 20
range 3 30
default 10
help
Number of DMA transmit buffers. Each buffer's size is ETH_DMA_BUFFER_SIZE.

6
components/esp_eth/src/esp_eth_mac_dm9051.c
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@ -511,7 +511,11 @@ static void emac_dm9051_task(void *arg)
buffer = (uint8_t *)heap_caps_malloc(ETH_MAX_PACKET_SIZE, MALLOC_CAP_DMA);
if (emac->parent.receive(&emac->parent, buffer, &length) == ESP_OK) {
/* pass the buffer to stack (e.g. TCP/IP layer) */
emac->eth->stack_input(emac->eth, buffer, length);
if (length) {
emac->eth->stack_input(emac->eth, buffer, length);
} else {
free(buffer);
}
} else {
free(buffer);
}

41
components/esp_eth/src/esp_eth_mac_esp32.c
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@ -48,7 +48,6 @@ typedef struct {
esp_eth_mediator_t *eth;
emac_hal_context_t hal;
intr_handle_t intr_hdl;
SemaphoreHandle_t rx_counting_sem;
TaskHandle_t rx_task_hdl;
uint32_t sw_reset_timeout_ms;
uint32_t frames_remain;
@ -237,18 +236,20 @@ static void emac_esp32_rx_task(void *arg)
uint8_t *buffer = NULL;
uint32_t length = 0;
while (1) {
if (xSemaphoreTake(emac->rx_counting_sem, pdMS_TO_TICKS(RX_QUEUE_WAIT_MS)) == pdTRUE) {
buffer = (uint8_t *)malloc(ETH_MAX_PACKET_SIZE);
if (emac_esp32_receive(&emac->parent, buffer, &length) == ESP_OK) {
/* pass the buffer to stack (e.g. TCP/IP layer) */
emac->eth->stack_input(emac->eth, buffer, length);
} else {
free(buffer);
}
}
/* there might be some frames left in DMA buffer */
else if (emac->frames_remain) {
xSemaphoreGive(emac->rx_counting_sem);
if (ulTaskNotifyTake(pdFALSE, pdMS_TO_TICKS(RX_QUEUE_WAIT_MS))) {
do {
buffer = (uint8_t *)malloc(ETH_MAX_PACKET_SIZE);
if (emac_esp32_receive(&emac->parent, buffer, &length) == ESP_OK) {
/* pass the buffer to stack (e.g. TCP/IP layer) */
if (length) {
emac->eth->stack_input(emac->eth, buffer, length);
} else {
free(buffer);
}
} else {
free(buffer);
}
} while (emac->frames_remain);
}
}
vTaskDelete(NULL);
@ -331,7 +332,6 @@ static esp_err_t emac_esp32_del(esp_eth_mac_t *mac)
emac_esp32_t *emac = __containerof(mac, emac_esp32_t, parent);
esp_intr_free(emac->intr_hdl);
vTaskDelete(emac->rx_task_hdl);
vSemaphoreDelete(emac->rx_counting_sem);
int i = 0;
for (i = 0; i < CONFIG_ETH_DMA_RX_BUFFER_NUM; i++) {
free(emac->hal.rx_buf[i]);
@ -416,17 +416,12 @@ esp_eth_mac_t *esp_eth_mac_new_esp32(const eth_mac_config_t *config)
MAC_CHECK(esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, ESP_INTR_FLAG_IRAM, emac_esp32_isr_handler,
&emac->hal, &(emac->intr_hdl)) == ESP_OK,
"alloc emac interrupt failed", err_intr, NULL);
/* create counting semaphore */
emac->rx_counting_sem = xSemaphoreCreateCounting(config->queue_len, 0);
MAC_CHECK(emac->rx_counting_sem, "create semaphore failed", err_sem, NULL);
/* create rx task */
BaseType_t xReturned = xTaskCreate(emac_esp32_rx_task, "emac_rx", config->rx_task_stack_size, emac,
config->rx_task_prio, &emac->rx_task_hdl);
MAC_CHECK(xReturned == pdPASS, "create emac_rx task failed", err_task, NULL);
return &(emac->parent);
err_task:
vSemaphoreDelete(emac->rx_counting_sem);
err_sem:
esp_intr_free(emac->intr_hdl);
err_intr:
for (int i = 0; i < CONFIG_ETH_DMA_TX_BUFFER_NUM; i++) {
@ -448,8 +443,8 @@ void emac_hal_rx_complete_cb(void *arg)
emac_hal_context_t *hal = (emac_hal_context_t *)arg;
emac_esp32_t *emac = __containerof(hal, emac_esp32_t, hal);
BaseType_t high_task_wakeup;
/* send message to rx thread */
xSemaphoreGiveFromISR(emac->rx_counting_sem, &high_task_wakeup);
/* notify receive task */
vTaskNotifyGiveFromISR(emac->rx_task_hdl, &high_task_wakeup);
if (high_task_wakeup == pdTRUE) {
emac->isr_need_yield = true;
}
@ -460,8 +455,8 @@ void emac_hal_rx_unavail_cb(void *arg)
emac_hal_context_t *hal = (emac_hal_context_t *)arg;
emac_esp32_t *emac = __containerof(hal, emac_esp32_t, hal);
BaseType_t high_task_wakeup;
/* send message to rx thread */
xSemaphoreGiveFromISR(emac->rx_counting_sem, &high_task_wakeup);
/* notify receive task */
vTaskNotifyGiveFromISR(emac->rx_task_hdl, &high_task_wakeup);
if (high_task_wakeup == pdTRUE) {
emac->isr_need_yield = true;
}