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Change the default value of TCP_MSS to 1440 and TCP_MSS Range : [536 1460]

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xiehang 2020-06-03 17:05:52 +08:00
parent ad2447a6ea
commit 6f26e72817
1 changed files with 5 additions and 3 deletions
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components/lwip/Kconfig
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@ -312,12 +312,14 @@ menu "LWIP"
config TCP_MSS
int "Maximum Segment Size (MSS)"
default 1436
range 1220 1436
default 1440
range 536 1436
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)"