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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 ee42e3d714
commit 274b0b8d8a
3 changed files with 24 additions and 8 deletions
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6
components/esp_eth/include/esp_eth_mac.h
View File

@ -24,7 +24,6 @@ extern "C" {
#include "driver/spi_master.h"
#endif
/**
* @brief Ethernet MAC
*
@ -252,8 +251,11 @@ typedef struct {
uint32_t rx_task_prio; /*!< Priority of the receive task */
int smi_mdc_gpio_num; /*!< SMI MDC GPIO number */
int smi_mdio_gpio_num; /*!< SMI MDIO GPIO number */
uint32_t flags; /*!< Flags that specify extra capability for mac driver */
} eth_mac_config_t;
#define ETH_MAC_FLAG_WORK_WITH_CACHE_DISABLE (1 << 0) /*!< MAC driver can work when cache is disabled */
/**
* @brief Default configuration for Ethernet MAC object
*
@ -265,6 +267,7 @@ typedef struct {
.rx_task_prio = 15, \
.smi_mdc_gpio_num = 23, \
.smi_mdio_gpio_num = 18, \
.flags = 0, \
}
#if CONFIG_ETH_USE_ESP32_EMAC
@ -313,7 +316,6 @@ typedef struct {
esp_eth_mac_t *esp_eth_mac_new_dm9051(const eth_dm9051_config_t *dm9051_config, const eth_mac_config_t *mac_config);
#endif
#if CONFIG_ETH_USE_OPENETH
esp_eth_mac_t *esp_eth_mac_new_openeth(const eth_mac_config_t *config);
#endif // CONFIG_ETH_USE_OPENETH

19
components/esp_eth/src/esp_eth_mac_esp32.c
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);

7
examples/common_components/protocol_examples_common/connect.c
View File

@ -208,6 +208,7 @@ static void on_eth_event(void *esp_netif, esp_event_base_t event_base,
static esp_eth_handle_t s_eth_handle = NULL;
static esp_eth_mac_t *s_mac = NULL;
static esp_eth_phy_t *s_phy = NULL;
static void *s_eth_glue = NULL;
static void start(void)
{
@ -275,7 +276,8 @@ static void start(void)
esp_eth_config_t config = ETH_DEFAULT_CONFIG(s_mac, s_phy);
ESP_ERROR_CHECK(esp_eth_driver_install(&config, &s_eth_handle));
// combine driver with netif
esp_netif_attach(netif, esp_eth_new_netif_glue(s_eth_handle));
s_eth_glue = esp_eth_new_netif_glue(s_eth_handle);
esp_netif_attach(netif, s_eth_glue);
esp_eth_start(s_eth_handle);
s_connection_name = "Ethernet";
}
@ -288,11 +290,12 @@ static void stop(void)
ESP_ERROR_CHECK(esp_event_handler_unregister(ETH_EVENT, ETHERNET_EVENT_CONNECTED, &on_eth_event));
#endif
ESP_ERROR_CHECK(esp_eth_stop(s_eth_handle));
ESP_ERROR_CHECK(esp_eth_del_netif_glue(s_eth_glue));
ESP_ERROR_CHECK(esp_eth_clear_default_handlers(s_example_esp_netif));
ESP_ERROR_CHECK(esp_eth_driver_uninstall(s_eth_handle));
ESP_ERROR_CHECK(s_phy->del(s_phy));
ESP_ERROR_CHECK(s_mac->del(s_mac));
esp_eth_clear_default_handlers(s_example_esp_netif);
esp_netif_destroy(s_example_esp_netif);
s_example_esp_netif = NULL;
}