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kernel: enable Multi-Path TCP for !SMALL_FLASH targets

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Expose Kernel's CONFIG_MPTCP option and enable it by default for
!SMALL_FLASH targets.

The idea behind enabling it by default is to allow users of the binary
distribution to make use of MPTCP tunneling for link aggregation.

Using MPTCP for link aggregation is an often discussed topic in the
forum and there is even a whole OpenWrt fork (MPTCPRouter) just for that.

Enabling the kernel-side of the story by default will allow using MPTCP
on vanilla OpenWrt without having to build anything from source.

See also https://openwrt.org/docs/guide-user/network/mptcp

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
This commit is contained in:
Daniel Golle 2024-10-25 18:15:41 +01:00
parent b6c2422448
commit c8d5abd62b
1 changed files with 14 additions and 0 deletions
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14
config/Config-kernel.in
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@ -1204,6 +1204,20 @@ config KERNEL_PAGE_POOL_STATS
bool "Page pool stats support"
depends on KERNEL_PAGE_POOL
config KERNEL_MPTCP
bool "Multi-Path TCP support"
default y if !SMALL_FLASH
help
Select this option to enable support for Multi-Path TCP.
Increases the compressed kernel size by ~214kB (as of Linux 6.6).
if KERNEL_IPV6
config KERNEL_MPTCP_IPV6
bool "IPv6 support for Multipath TCP"
depends on KERNEL_MPTCP
default KERNEL_MPTCP
endif
#
# NFS related symbols
#