nuttx/net/nat/Kconfig
Zhe Weng 8239ddeef4 net/nat: Add TCP entry expiration logic
Add TCP entry expiration logic for NAT, with entries changed from sq to dq for fast removal.

Signed-off-by: Zhe Weng <wengzhe@xiaomi.com>
2022-11-11 14:36:55 +08:00

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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config NET_NAT
bool "Network Address Translation (NAT)"
default n
depends on NET_IPFORWARD
---help---
Enable or disable Network Address Translation (NAT) function.
config NET_NAT_TCP_EXPIRE_SEC
int "TCP NAT entry expiration seconds"
default 86400
depends on NET_NAT
---help---
The expiration time for idle TCP entry in NAT.
Note: The default value 86400 is suggested by RFC2663, Section 2.6,
Page 5.