lower the dhcp discover and request retry backoff time

espressif · Jun 16, 2023 · f5e0d5f · f5e0d5f
1 parent 13c794f
commit f5e0d5f
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Showing 2 changed files with 4 additions and 6 deletions.
diff --git a/components/lwip/lwip b/components/lwip/lwip
diff --git a/components/lwip/port/include/lwipopts.h b/components/lwip/port/include/lwipopts.h
@@ -3,7 +3,7 @@
  *
  * SPDX-License-Identifier: BSD-3-Clause
  *
- * SPDX-FileContributor: 2015-2022 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileContributor: 2015-2023 Espressif Systems (Shanghai) CO LTD
  */
 #ifndef LWIP_HDR_ESP_LWIPOPTS_H
 #define LWIP_HDR_ESP_LWIPOPTS_H
@@ -355,11 +355,9 @@ extern "C" {
 #define DHCP_COARSE_TIMER_SECS          CONFIG_LWIP_DHCP_COARSE_TIMER_SECS
 #define DHCP_NEXT_TIMEOUT_THRESHOLD     (3)
 /* Since for embedded devices it's not that hard to miss a discover packet, so lower
- * the discover retry backoff time from (2,4,8,16,32,60,60)s to (500m,1,2,4,8,15,15)s.
+ * the discover and request retry backoff time from (2,4,8,16,32,60,60)s to (500m,1,2,4,4,4,4)s.
  */
-#define DHCP_REQUEST_TIMEOUT_SEQUENCE(state, tries)   (state == DHCP_STATE_REQUESTING ? \
-                                                       (uint16_t)(1 * 1000) : \
-                                                       (uint16_t)(((tries) < 6 ? 1 << (tries) : 60) * 250))
+#define DHCP_REQUEST_TIMEOUT_SEQUENCE(tries)   ((uint16_t)(((tries) < 5 ? 1 << (tries) : 16) * 250))
 
 static inline uint32_t timeout_from_offered(uint32_t lease, uint32_t min)
 {