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Merge branch 'feature/make_tcp_rto_configurable_v4.2' into 'release/v4.2'

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make  TCP rto time configurable (backport v4.2)

See merge request espressif/esp-idf!9211
This commit is contained in:
Jiang Jiang Jian 2020-06-17 18:23:34 +08:00
parent a6f2205cdb c5768c019e
commit a406885360
3 changed files with 14 additions and 1 deletions
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7
components/lwip/Kconfig
View file

@ -497,6 +497,13 @@ 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"

2
components/lwip/lwip

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

6
components/lwip/port/esp32/include/lwipopts.h
View file

@ -400,6 +400,12 @@
#define TCP_RCV_SCALE CONFIG_LWIP_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 ----------