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ethernet: work with cache disabled

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add ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE flag, make ethenret driver
possible to work when cache disabled

Closes https://github.com/espressif/esp-idf/issues/4406
This commit is contained in:
morris
2020-01-13 21:34:23 +08:00
parent 4fb879c11e
commit 5ad0bdd8db
3 changed files with 24 additions and 8 deletions
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components/esp_eth/src/esp_eth_mac_esp32.c
+15 -4
View File
@@ -358,6 +358,7 @@ static esp_err_t emac_esp32_del(esp_eth_mac_t *mac)
return ESP_OK;
}
// To achieve a better performance, we put the ISR always in IRAM
IRAM_ATTR void emac_esp32_isr_handler(void *args)
{
emac_hal_context_t *hal = (emac_hal_context_t *)args;
@@ -371,11 +372,16 @@ IRAM_ATTR void emac_esp32_isr_handler(void *args)
esp_eth_mac_t *esp_eth_mac_new_esp32(const eth_mac_config_t *config)
{
esp_err_t ret_code = ESP_OK;
esp_eth_mac_t *ret = NULL;
void *descriptors = NULL;
emac_esp32_t *emac = NULL;
MAC_CHECK(config, "can't set mac config to null", err, NULL);
emac = calloc(1, sizeof(emac_esp32_t));
if (config->flags & ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE) {
emac = heap_caps_calloc(1, sizeof(emac_esp32_t), MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
} else {
emac = calloc(1, sizeof(emac_esp32_t));
}
MAC_CHECK(emac, "calloc emac failed", err, NULL);
/* alloc memory for ethernet dma descriptor */
uint32_t desc_size = CONFIG_ETH_DMA_RX_BUFFER_NUM * sizeof(eth_dma_rx_descriptor_t) +
@@ -416,9 +422,14 @@ esp_eth_mac_t *esp_eth_mac_new_esp32(const eth_mac_config_t *config)
emac->parent.transmit = emac_esp32_transmit;
emac->parent.receive = emac_esp32_receive;
/* Interrupt configuration */
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, NULL);
if (config->flags & ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE) {
ret_code = esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, ESP_INTR_FLAG_IRAM,
emac_esp32_isr_handler, &emac->hal, &(emac->intr_hdl));
} else {
ret_code = esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0,
emac_esp32_isr_handler, &emac->hal, &(emac->intr_hdl));
}
MAC_CHECK(ret_code == ESP_OK, "alloc emac interrupt failed", err, NULL);
#ifdef CONFIG_PM_ENABLE
MAC_CHECK(esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "emac_esp32", &emac->pm_lock) == ESP_OK,
"create pm lock failed", err, NULL);