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Merge branch 'feature/make_tcp_rto_configurable_v3.2' into 'release/v3.2'

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make TCP rto time configurable (backport v3.2)

See merge request espressif/esp-idf!9611
This commit is contained in:
Jiang Jiang Jian 2020-07-21 12:19:29 +08:00
commit 3f35383544
3 changed files with 14 additions and 1 deletions
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7
components/lwip/Kconfig
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@ -435,6 +435,13 @@ config LWIP_WND_SCALE
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 da2740fa8d56b9b9e8a10602f38df1ea4dbd9b74
Subproject commit f02243aa5f04f6e453e83ecad4700691b9f919d0

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

@ -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 ----------