Commit 4baa1d3a authored by Petr Machata's avatar Petr Machata Committed by Jakub Kicinski
Browse files

selftests: net: lib: Add ip_link_has_flag() 



Add a helper to determine whether a given netdevice has a given flag.

Rewrite ip_link_is_up() in terms of the new helper.

Signed-off-by: default avatarPetr Machata <petrm@nvidia.com>
Reviewed-by: default avatarNikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/e1eb174a411f9d24735d095984c731d1d4a5a592.1750113335.git.petrm@nvidia.com


Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 2a719b7b

tools/testing/selftests/net/lib.sh

+9 −3
Original line number Diff line number Diff line
@@ -547,13 +547,19 @@ ip_link_set_addr() 
	defer ip link set dev "$name" address "$old_addr"

}



ip_link_is_up()

ip_link_has_flag()

{

	local name=$1; shift

	local flag=$1; shift



	local state=$(ip -j link show "$name" |

		      jq -r '(.[].flags[] | select(. == "UP")) // "DOWN"')

	[[ $state == "UP" ]]

		      jq --arg flag "$flag" 'any(.[].flags.[]; . == $flag)')

	[[ $state == true ]]

}



ip_link_is_up()

{

	ip_link_has_flag "$1" UP

}



ip_link_set_up()