diff options
Diffstat (limited to 'python/vyos/ethtool.py')
| -rw-r--r-- | python/vyos/ethtool.py | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/python/vyos/ethtool.py b/python/vyos/ethtool.py index 7dcb68346..968e2e2a3 100644 --- a/python/vyos/ethtool.py +++ b/python/vyos/ethtool.py @@ -13,7 +13,9 @@ # You should have received a copy of the GNU Lesser General Public # License along with this library. If not, see <http://www.gnu.org/licenses/>. +import os import re + from vyos.util import popen class Ethtool: @@ -41,8 +43,18 @@ class Ethtool: # } _speed_duplex = { } _ring_buffers = { } + _driver_name = None def __init__(self, ifname): + # Get driver used for interface + sysfs_file = f'/sys/class/net/{ifname}/device/driver/module' + if os.path.exists(sysfs_file): + link = os.readlink(sysfs_file) + self._driver_name = os.path.basename(link) + + if not self._driver_name: + raise ValueError(f'Could not determine driver for interface {ifname}!') + # Build a dictinary of supported link-speed and dupley settings. out, err = popen(f'ethtool {ifname}') reading = False @@ -142,6 +154,9 @@ class Ethtool: if duplex not in ['full', 'half']: raise ValueError(f'Value "{duplex}" for duplex is invalid!') + if self._driver_name in ['vmxnet3', 'virtio_net', 'xen_netfront']: + return False + if speed in self._speed_duplex: if duplex in self._speed_duplex[speed]: return True |