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Merge branch 'feature/make_tcp_rto_configurable_v4.0' into 'release/v4.0'

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make TCP rto time configurable (backport v4.0)

See merge request espressif/esp-idf!9213
This commit is contained in:
Jiang Jiang Jian 2020-07-10 16:55:53 +08:00
commit ff6c39376a
3 changed files with 14 additions and 1 deletions
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7
components/lwip/Kconfig
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@ -449,6 +449,13 @@ menu "LWIP"
help help
Enable this feature to support TCP window scaling. 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 endmenu # TCP
menu "UDP" menu "UDP"

2
components/lwip/lwip

@ -1 +1 @@
Subproject commit 50e4e0d1821a6e5deab0ead9f35ffb4e60625ea6 Subproject commit 64b640ecae5a6ce510814944d75e9ff408d3fc8d

6
components/lwip/port/esp32/include/lwipopts.h
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@ -376,6 +376,12 @@
#define TCP_RCV_SCALE CONFIG_LWIP_TCP_RCV_SCALE #define TCP_RCV_SCALE CONFIG_LWIP_TCP_RCV_SCALE
#endif #endif
/**
* LWIP_TCP_RTO_TIME: TCP rto time.
* Default is 3 second.
*/
#define LWIP_TCP_RTO_TIME CONFIG_LWIP_TCP_RTO_TIME
/* /*
---------------------------------- ----------------------------------
---------- Pbuf options ---------- ---------- Pbuf options ----------