From eb4a7ee3afc0765671ce0fa379ab5e3518e9e49e Mon Sep 17 00:00:00 2001 From: Christian Poessinger Date: Wed, 24 Aug 2022 21:43:10 +0200 Subject: T4630: can not use same source-interface for macsec and pseudo-ethernet A macsec interface requires a dedicated source interface, it can not be shared with another macsec or a pseudo-ethernet interface. set interfaces macsec macsec10 address '192.168.2.1/30' set interfaces macsec macsec10 security cipher 'gcm-aes-256' set interfaces macsec macsec10 security encrypt set interfaces macsec macsec10 security mka cak '232e44b7fda6f8e2d88a07bf78a7aff4232e44b7fda6f8e2d88a07bf78a7aff4' set interfaces macsec macsec10 security mka ckn '09924585a6f3010208cf5222ef24c821405b0e34f4b4f63b1f0ced474b9bb6e6' set interfaces macsec macsec10 source-interface 'eth1' commit set interfaces pseudo-ethernet peth0 source-interface eth1 commit Reuslts in FileNotFoundError: [Errno 2] failed to run command: ip link add peth0 link eth1 type macvlan mode private returned: exit code: 2 noteworthy: cmd 'ip link add peth0 link eth1 type macvlan mode private' returned (out): returned (err): RTNETLINK answers: Device or resource busy [[interfaces pseudo-ethernet peth0]] failed Commit failed --- src/conf_mode/interfaces-pseudo-ethernet.py | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'src/conf_mode/interfaces-pseudo-ethernet.py') diff --git a/src/conf_mode/interfaces-pseudo-ethernet.py b/src/conf_mode/interfaces-pseudo-ethernet.py index f26a50a0e..20f2b1975 100755 --- a/src/conf_mode/interfaces-pseudo-ethernet.py +++ b/src/conf_mode/interfaces-pseudo-ethernet.py @@ -1,6 +1,6 @@ #!/usr/bin/env python3 # -# Copyright (C) 2019-2020 VyOS maintainers and contributors +# Copyright (C) 2019-2022 VyOS maintainers and contributors # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License version 2 or later as @@ -19,6 +19,7 @@ from sys import exit from vyos.config import Config from vyos.configdict import get_interface_dict from vyos.configdict import is_node_changed +from vyos.configdict import is_source_interface from vyos.configverify import verify_vrf from vyos.configverify import verify_address from vyos.configverify import verify_bridge_delete @@ -51,6 +52,10 @@ def get_config(config=None): if 'source_interface' in peth: _, peth['parent'] = get_interface_dict(conf, ['interfaces', 'ethernet'], peth['source_interface']) + # test if source-interface is maybe already used by another interface + tmp = is_source_interface(conf, peth['source_interface'], ['macsec']) + if tmp and tmp != ifname: peth.update({'is_source_interface' : tmp}) + return peth def verify(peth): -- cgit v1.2.3