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refactor(emac): use heap component API to allocate cached aligned DMA buffer

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This commit is contained in:
morris 2024-05-31 19:08:46 +08:00
parent 367b0c16f1
commit c349247236
2 changed files with 12 additions and 23 deletions
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5
components/esp_eth/CMakeLists.txt
View File

@ -68,8 +68,5 @@ if(CONFIG_ETH_ENABLED)
if(CONFIG_ETH_USE_SPI_ETHERNET)
idf_component_optional_requires(PUBLIC esp_driver_spi)
endif()
idf_component_optional_requires(PRIVATE esp_netif esp_pm)
if(CONFIG_SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE)
idf_component_optional_requires(PRIVATE esp_mm)
endif()
idf_component_optional_requires(PRIVATE esp_netif esp_pm esp_mm)
endif()

30
components/esp_eth/src/mac/esp_eth_mac_esp_dma.c
View File

@ -5,13 +5,11 @@
*/
#include "esp_check.h"
#include "esp_dma_utils.h"
#include "sdkconfig.h"
#include "soc/soc_caps.h"
#if SOC_CACHE_INTERNAL_MEM_VIA_L1CACHE
#include "esp_cache.h"
#endif
#include "hal/emac_hal.h"
#include "esp_heap_caps.h"
#include "esp_private/eth_mac_esp_dma.h"
#define ETH_CRC_LENGTH (4)
@ -41,8 +39,7 @@
static const char *TAG = "esp.emac.dma";
struct emac_esp_dma_t
{
struct emac_esp_dma_t {
emac_hal_context_t hal;
uint32_t tx_desc_flags;
uint32_t rx_desc_flags;
@ -58,14 +55,14 @@ typedef struct {
uint32_t magic_id;
#endif // NDEBUG
uint32_t copy_len;
}__attribute__((packed)) emac_esp_dma_auto_buf_info_t;
} __attribute__((packed)) emac_esp_dma_auto_buf_info_t;
void emac_esp_dma_reset(emac_esp_dma_handle_t emac_esp_dma)
{
/* reset DMA descriptors */
emac_esp_dma->rx_desc = (eth_dma_rx_descriptor_t *)(emac_esp_dma->descriptors);
emac_esp_dma->tx_desc = (eth_dma_tx_descriptor_t *)(emac_esp_dma->descriptors +
sizeof(eth_dma_rx_descriptor_t) * CONFIG_ETH_DMA_RX_BUFFER_NUM);
sizeof(eth_dma_rx_descriptor_t) * CONFIG_ETH_DMA_RX_BUFFER_NUM);
/* init rx chain */
for (int i = 0; i < CONFIG_ETH_DMA_RX_BUFFER_NUM; i++) {
/* Set Own bit of the Rx descriptor Status: DMA */
@ -227,7 +224,7 @@ uint32_t emac_esp_dma_transmit_multiple_buf_frame(emac_esp_dma_handle_t emac_esp
buffs_cnt--;
ptr = *(++buffs);
lastlen = *(++lengths);
/* There is only limited available space in the current descriptor, use it all */
/* There is only limited available space in the current descriptor, use it all */
} else {
/* copy data from uplayer stack buffer */
memcpy((void *)(desc_iter->Buffer1Addr + (CONFIG_ETH_DMA_BUFFER_SIZE - avail_len)), ptr, avail_len);
@ -236,7 +233,7 @@ uint32_t emac_esp_dma_transmit_multiple_buf_frame(emac_esp_dma_handle_t emac_esp
/* If lastlen is not zero, input buff will be fragmented over multiple descriptors */
if (lastlen > 0) {
ptr += avail_len;
/* Input buff fully fits the descriptor, move to the next input buff */
/* Input buff fully fits the descriptor, move to the next input buff */
} else {
/* Update processed input buffers info */
buffs_cnt--;
@ -386,7 +383,7 @@ uint32_t emac_esp_dma_receive_frame(emac_esp_dma_handle_t emac_esp_dma, uint8_t
if (copy_len) {
eth_dma_rx_descriptor_t *desc_iter = emac_esp_dma->rx_desc;
while(copy_len > CONFIG_ETH_DMA_BUFFER_SIZE) {
while (copy_len > CONFIG_ETH_DMA_BUFFER_SIZE) {
DMA_CACHE_INVALIDATE(desc_iter->Buffer1Addr, CONFIG_ETH_DMA_BUFFER_SIZE);
memcpy(buf, (void *)(desc_iter->Buffer1Addr), CONFIG_ETH_DMA_BUFFER_SIZE);
buf += CONFIG_ETH_DMA_BUFFER_SIZE;
@ -449,7 +446,7 @@ esp_err_t emac_esp_del_dma(emac_esp_dma_handle_t emac_esp_dma)
return ESP_OK;
}
esp_err_t emac_esp_new_dma(const emac_esp_dma_config_t* config, emac_esp_dma_handle_t *ret_handle)
esp_err_t emac_esp_new_dma(const emac_esp_dma_config_t *config, emac_esp_dma_handle_t *ret_handle)
{
esp_err_t ret = ESP_OK;
*ret_handle = NULL;
@ -459,20 +456,15 @@ esp_err_t emac_esp_new_dma(const emac_esp_dma_config_t* config, emac_esp_dma_han
/* alloc memory for ethernet dma descriptor */
uint32_t desc_size = CONFIG_ETH_DMA_RX_BUFFER_NUM * sizeof(eth_dma_rx_descriptor_t) +
CONFIG_ETH_DMA_TX_BUFFER_NUM * sizeof(eth_dma_tx_descriptor_t);
esp_dma_mem_info_t dma_mem_info = {
.extra_heap_caps = MALLOC_CAP_INTERNAL,
.dma_alignment_bytes = 4,
};
esp_dma_capable_calloc(1, desc_size, &dma_mem_info, (void*)&emac_esp_dma->descriptors, NULL);
emac_esp_dma->descriptors = heap_caps_aligned_calloc(4, 1, desc_size, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ESP_GOTO_ON_FALSE(emac_esp_dma->descriptors, ESP_ERR_NO_MEM, err, TAG, "no mem for descriptors");
/* alloc memory for ethernet dma buffer */
for (int i = 0; i < CONFIG_ETH_DMA_RX_BUFFER_NUM; i++) {
esp_dma_capable_calloc(1, CONFIG_ETH_DMA_BUFFER_SIZE, &dma_mem_info, (void*)&emac_esp_dma->rx_buf[i], NULL);
emac_esp_dma->rx_buf[i] = heap_caps_aligned_calloc(4, 1, CONFIG_ETH_DMA_BUFFER_SIZE, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ESP_GOTO_ON_FALSE(emac_esp_dma->rx_buf[i], ESP_ERR_NO_MEM, err, TAG, "no mem for RX DMA buffers");
}
for (int i = 0; i < CONFIG_ETH_DMA_TX_BUFFER_NUM; i++) {
esp_dma_capable_calloc(1, CONFIG_ETH_DMA_BUFFER_SIZE, &dma_mem_info, (void*)&emac_esp_dma->tx_buf[i], NULL);
emac_esp_dma->tx_buf[i] = heap_caps_aligned_calloc(4, 1, CONFIG_ETH_DMA_BUFFER_SIZE, MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL | MALLOC_CAP_8BIT);
ESP_GOTO_ON_FALSE(emac_esp_dma->tx_buf[i], ESP_ERR_NO_MEM, err, TAG, "no mem for TX DMA buffers");
}
emac_hal_init(&emac_esp_dma->hal);