Commit e3c09623 authored by Stanislav Fomichev's avatar Stanislav Fomichev Committed by Jakub Kicinski
Browse files

selftests: ncdevmem: Properly reset flow steering 



ntuple off/on might be not enough to do it on all NICs.
Add a bunch of shell crap to explicitly remove the rules.

Reviewed-by: default avatarMina Almasry <almasrymina@google.com>
Reviewed-by: default avatarJoe Damato <jdamato@fastly.com>
Signed-off-by: default avatarStanislav Fomichev <sdf@fomichev.me>
Link: https://patch.msgid.link/20241107181211.3934153-8-sdf@fomichev.me


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 93305635

tools/testing/selftests/net/ncdevmem.c

+12 −7
Original line number Diff line number Diff line
@@ -217,13 +217,18 @@ void validate_buffer(void *line, size_t size) 


static int reset_flow_steering(void)

{

	int ret = 0;



	ret = run_command("sudo ethtool -K %s ntuple off >&2", ifname);

	if (ret)

		return ret;

	/* Depending on the NIC, toggling ntuple off and on might not

	 * be allowed. Additionally, attempting to delete existing filters

	 * will fail if no filters are present. Therefore, do not enforce

	 * the exit status.

	 */



	return run_command("sudo ethtool -K %s ntuple on >&2", ifname);

	run_command("sudo ethtool -K %s ntuple off >&2", ifname);

	run_command("sudo ethtool -K %s ntuple on >&2", ifname);

	run_command(

		"sudo ethtool -n %s | grep 'Filter:' | awk '{print $2}' | xargs -n1 ethtool -N %s delete >&2",

		ifname, ifname);

	return 0;

}



static int configure_headersplit(bool on)