mirrors/linux
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2026-04-02 07:00:42 -04:00
Code Issues Packages Projects Releases Wiki Activity

selftests: net: lib: Add ip_link_has_flag()

Browse Source 
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: Petr Machata <petrm@nvidia.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://patch.msgid.link/e1eb174a411f9d24735d095984c731d1d4a5a592.1750113335.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Petr Machata
2025-06-17 00:44:21 +02:00
committed by Jakub Kicinski
parent 2a719b7bac
commit 4baa1d3a50
1 changed files with 9 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
tools/testing/selftests/net/lib.sh
View File

@@ -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()