Commit aa5ec9d0 authored by Kyoji Ogasawara's avatar Kyoji Ogasawara Committed by Jakub Kicinski
Browse files

net/smc: Add documentation for limit_smc_hs and hs_ctrl 



Document missing SMC sysctl parameters limit_smc_hs and hs_ctrl

Signed-off-by: default avatarKyoji Ogasawara <sawara04.o@gmail.com>
Reviewed-by: default avatarD. <Wythe&lt;alibuda@linux.alibaba.com>
Link: https://patch.msgid.link/20260309124541.22723-3-sawara04.o@gmail.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 4a51ac90

Documentation/networking/smc-sysctl.rst

+27 −0
Original line number Diff line number Diff line
@@ -111,3 +111,30 @@ smcr_max_recv_wr - INTEGER 
	like before having this control.



	Default: 48



limit_smc_hs - INTEGER

	Whether to limit SMC handshake for newly created sockets.



	When enabled, SMC listen path applies handshake limitation based on

	handshake worker congestion and queued SMC handshake load.



	Possible values:



	- 0 - Disable handshake limitation

	- 1 - Enable handshake limitation



	Default: 0 (disable)



hs_ctrl - STRING

	Select the SMC handshake control profile by name.



	This string refers to the name of a user-implemented

	BPF struct_ops instance of type smc_hs_ctrl.



	The selected profile controls whether SMC options are advertised

	during TCP SYN/SYN-ACK handshake.



	Only available when CONFIG_SMC_HS_CTRL_BPF is enabled.

	Write an empty string to clear the current profile.



	Default: empty string