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Merge branch 'bugfix/modify_TCP_MSS_range_v3.1' into 'release/v3.1'

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Change the default value of TCP_MSS (backport v3.1)

See merge request espressif/esp-idf!9048
This commit is contained in:
Jiang Jiang Jian 2020-06-04 15:59:27 +08:00
commit 2abf3229dd
1 changed files with 6 additions and 3 deletions
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components/lwip/Kconfig
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@ -295,12 +295,15 @@ config TCP_SYNMAXRTX
config TCP_MSS
int "Maximum Segment Size (MSS)"
default 1436
range 1220 1436
default 1440
range 536 1440
help
Set maximum segment size for TCP transmission.
Can be set lower to save RAM, the default value 1436 will give best throughput.
Can be set lower to save RAM, the default value 1460(ipv4)/1440(ipv6) will give best throughput.
IPv4 TCP_MSS Range: 576 <= TCP_MSS <= 1460
IPv6 TCP_MSS Range: 1220<= TCP_MSS <= 1440
config TCP_MSL
int "Maximum segment lifetime (MSL)"