diff options
| -rw-r--r-- | python/vyos/ethtool.py | 29 | ||||
| -rw-r--r-- | python/vyos/ifconfig/ethernet.py | 15 | ||||
| -rwxr-xr-x | src/conf_mode/interfaces-ethernet.py | 4 |
3 files changed, 34 insertions, 14 deletions
diff --git a/python/vyos/ethtool.py b/python/vyos/ethtool.py index e803e28a1..f5796358d 100644 --- a/python/vyos/ethtool.py +++ b/python/vyos/ethtool.py @@ -43,6 +43,7 @@ class Ethtool: # } _speed_duplex = { } _ring_buffers = { } + _ring_buffers_max = { } _driver_name = None _auto_negotiation = None @@ -99,7 +100,7 @@ class Ethtool: 'fixed' : fixed } - out, err = popen(f'ethtool -g {ifname}') + out, err = popen(f'ethtool --show-ring {ifname}') # We are only interested in line 2-5 which contains the device maximum # ringbuffers for line in out.splitlines()[2:6]: @@ -110,6 +111,16 @@ class Ethtool: # output format from 0 -> n/a. As we are only interested in the # tx/rx keys we do not care about RX Mini/Jumbo. if value.isdigit(): + self._ring_buffers_max[key] = int(value) + # Now we wan't to get the current RX/TX ringbuffer values - used for + for line in out.splitlines()[7:11]: + if ':' in line: + key, value = [s.strip() for s in line.strip().split(":", 1)] + key = key.lower().replace(' ', '_') + # T3645: ethtool version used on Debian Bullseye changed the + # output format from 0 -> n/a. As we are only interested in the + # tx/rx keys we do not care about RX Mini/Jumbo. + if value.isdigit(): self._ring_buffers[key] = int(value) def _get_generic(self, feature): @@ -143,15 +154,19 @@ class Ethtool: def get_tcp_segmentation_offload(self): return self._get_generic('tcp-segmentation-offload') - def get_rx_buffer(self): - # Configuration of RX ring-buffers is not supported on every device, + def get_ring_buffer_max(self, rx_tx): + # Configuration of RX/TX ring-buffers is not supported on every device, # thus when it's impossible return None - return self._ring_buffers.get('rx', None) + if rx_tx not in ['rx', 'tx']: + ValueError('Ring-buffer type must be either "rx" or "tx"') + return self._ring_buffers_max.get(rx_tx, None) - def get_tx_buffer(self): - # Configuration of TX ring-buffers is not supported on every device, + def get_ring_buffer(self, rx_tx): + # Configuration of RX/TX ring-buffers is not supported on every device, # thus when it's impossible return None - return self._ring_buffers.get('tx', None) + if rx_tx not in ['rx', 'tx']: + ValueError('Ring-buffer type must be either "rx" or "tx"') + return self._ring_buffers.get(rx_tx, None) def check_speed_duplex(self, speed, duplex): """ Check if the passed speed and duplex combination is supported by diff --git a/python/vyos/ifconfig/ethernet.py b/python/vyos/ifconfig/ethernet.py index d4fa3f655..e5da3ac25 100644 --- a/python/vyos/ifconfig/ethernet.py +++ b/python/vyos/ifconfig/ethernet.py @@ -316,21 +316,26 @@ class EthernetIf(Interface): print('Adapter does not support changing tcp-segmentation-offload settings!') return False - def set_ring_buffer(self, b_type, b_size): + def set_ring_buffer(self, rx_tx, size): """ Example: >>> from vyos.ifconfig import EthernetIf >>> i = EthernetIf('eth0') >>> i.set_ring_buffer('rx', '4096') """ + current_size = self.ethtool.get_ring_buffer(rx_tx) + if current_size == size: + # bail out early if nothing is about to change + return None + ifname = self.config['ifname'] - cmd = f'ethtool -G {ifname} {b_type} {b_size}' + cmd = f'ethtool --set-ring {ifname} {rx_tx} {size}' output, code = self._popen(cmd) # ethtool error codes: # 80 - value already setted # 81 - does not possible to set value if code and code != 80: - print(f'could not set "{b_type}" ring-buffer for {ifname}') + print(f'could not set "{rx_tx}" ring-buffer for {ifname}') return output def update(self, config): @@ -369,8 +374,8 @@ class EthernetIf(Interface): # Set interface ring buffer if 'ring_buffer' in config: - for b_type in config['ring_buffer']: - self.set_ring_buffer(b_type, config['ring_buffer'][b_type]) + for rx_tx, size in config['ring_buffer'].items(): + self.set_ring_buffer(rx_tx, size) # call base class first super().update(config) diff --git a/src/conf_mode/interfaces-ethernet.py b/src/conf_mode/interfaces-ethernet.py index 889f4856f..f604f787c 100755 --- a/src/conf_mode/interfaces-ethernet.py +++ b/src/conf_mode/interfaces-ethernet.py @@ -89,11 +89,11 @@ def verify(ethernet): f'settings to: {speed}/{duplex}!') if 'ring_buffer' in ethernet: - max_rx = ethtool.get_rx_buffer() + max_rx = ethtool.get_ring_buffer_max('rx') if not max_rx: raise ConfigError('Driver does not support RX ring-buffer configuration!') - max_tx = ethtool.get_tx_buffer() + max_tx = ethtool.get_ring_buffer_max('tx') if not max_tx: raise ConfigError('Driver does not support TX ring-buffer configuration!') |