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Merge branch 'contrib/github_pr_10648' into 'master'

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[AES] Timeout: return error dont abort (GitHub PR)

Closes IDFGH-9265

See merge request espressif/esp-idf!22266
This commit is contained in:
Mahavir Jain
2023-02-21 01:14:05 +08:00
parent 1ed5d3a88b ca0f982420
commit a9e7ccb166
1 changed files with 20 additions and 6 deletions
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26
components/mbedtls/port/aes/dma/esp_aes.c
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@@ -74,6 +74,10 @@
busy-waiting, 30000 bytes is approx 0.5 ms */
#define AES_DMA_INTR_TRIG_LEN 2000
/* With buffers in PSRAM (worst condition) we still achieve a speed of 4 MB/s
thus a 2 second timeout value should be suffient for even very large buffers.
*/
#define AES_WAIT_INTR_TIMEOUT_MS 2000
#if defined(CONFIG_MBEDTLS_AES_USE_INTERRUPT)
static SemaphoreHandle_t op_complete_sem;
@@ -209,14 +213,14 @@ static esp_err_t esp_aes_isr_initialise( void )
#endif // CONFIG_MBEDTLS_AES_USE_INTERRUPT
/* Wait for AES hardware block operation to complete */
static void esp_aes_dma_wait_complete(bool use_intr, lldesc_t *output_desc)
static int esp_aes_dma_wait_complete(bool use_intr, lldesc_t *output_desc)
{
#if defined (CONFIG_MBEDTLS_AES_USE_INTERRUPT)
if (use_intr) {
if (!xSemaphoreTake(op_complete_sem, 2000 / portTICK_PERIOD_MS)) {
if (!xSemaphoreTake(op_complete_sem, AES_WAIT_INTR_TIMEOUT_MS / portTICK_PERIOD_MS)) {
/* indicates a fundamental problem with driver */
ESP_LOGE("AES", "Timed out waiting for completion of AES Interrupt");
abort();
ESP_LOGE(TAG, "Timed out waiting for completion of AES Interrupt");
return -1;
}
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_release(s_pm_cpu_lock);
@@ -230,6 +234,7 @@ static void esp_aes_dma_wait_complete(bool use_intr, lldesc_t *output_desc)
aes_hal_wait_done();
esp_aes_wait_dma_done(output_desc);
return 0;
}
@@ -436,7 +441,12 @@ static int esp_aes_process_dma(esp_aes_context *ctx, const unsigned char *input,
}
aes_hal_transform_dma_start(blocks);
esp_aes_dma_wait_complete(use_intr, out_desc_tail);
if (esp_aes_dma_wait_complete(use_intr, out_desc_tail) < 0) {
ESP_LOGE(TAG, "esp_aes_dma_wait_complete failed");
ret = -1;
goto cleanup;
}
#if (CONFIG_SPIRAM && SOC_PSRAM_DMA_CAPABLE)
if (block_bytes > 0) {
@@ -561,7 +571,11 @@ int esp_aes_process_dma_gcm(esp_aes_context *ctx, const unsigned char *input, un
aes_hal_transform_dma_gcm_start(blocks);
esp_aes_dma_wait_complete(use_intr, out_desc_head);
if (esp_aes_dma_wait_complete(use_intr, out_desc_head) < 0) {
ESP_LOGE(TAG, "esp_aes_dma_wait_complete failed");
ret = -1;
goto cleanup;
}
aes_hal_transform_dma_finish();