diff --git a/components/lwip/Kconfig b/components/lwip/Kconfig index b352985e5..a34a01944 100644 --- a/components/lwip/Kconfig +++ b/components/lwip/Kconfig @@ -451,6 +451,13 @@ menu "LWIP" help Enable this feature to support TCP window scaling. + config LWIP_TCP_RTO_TIME + int "Default TCP rto time" + default 3000 + help + Set default TCP rto time for a reasonable initial rto. + In bad network environment, recommend set value of rto time to 1500. + endmenu # TCP menu "UDP" diff --git a/components/lwip/lwip b/components/lwip/lwip index 453b291c4..f02243aa5 160000 --- a/components/lwip/lwip +++ b/components/lwip/lwip @@ -1 +1 @@ -Subproject commit 453b291c4c0752e05b585a62d32d8bb23e1538d7 +Subproject commit f02243aa5f04f6e453e83ecad4700691b9f919d0 diff --git a/components/lwip/port/esp32/include/lwipopts.h b/components/lwip/port/esp32/include/lwipopts.h index a458fc487..4f77df17d 100644 --- a/components/lwip/port/esp32/include/lwipopts.h +++ b/components/lwip/port/esp32/include/lwipopts.h @@ -376,6 +376,12 @@ #define TCP_RCV_SCALE CONFIG_TCP_RCV_SCALE #endif +/** + * LWIP_TCP_RTO_TIME: TCP rto time. + * Default is 3 second. + */ +#define LWIP_TCP_RTO_TIME CONFIG_LWIP_TCP_RTO_TIME + /* ---------------------------------- ---------- Pbuf options ----------