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change speed/duplex settings
This is the same problem as reported in T4297. By definition it is not possible to change speed and duplex settings at SR-IOV virtual functions driven by ixgbevf driver. I think the solution is the same as well, that is to add 'ixgbevf' into _drivers_without_speed_duplex_flow in /usr/lib/python3/dist-packages/vyos/ethtool.py. It fixed the problem for me with Intel x520 NICs.
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Commit f2ecc9710d49 ("ethernet: T3891: honor auto-negotiation support per NIC")
added an if statement that always evaluated to True.
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Not all drivers/NICs or combination of NIC + transceiver support auto-
negotiation. The current auto-negotiation capability is evaluated and taken
into account when applying spped/duplex settings. If auto-negotiation is
not supported - we skip the setting to avoid errors during configuration.
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Exclude interfaces with 'veth' driver from duplex and speed check
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The previous solution did not work for drivers that were no modules.
e.g compiled with a kernel config set to CONFIG_VIRTIO_NET=y
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The iavf, ice, and i40e drivers do not support speed, flow, or duplex control using ethtool.
As a result, interface configuration changes fail to commit when using those drivers.
This patch fixes that by correctly marking those drivers as not supporting those controls.
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In addition to commit 0b414bcd ("vyos.ethtool: T3874: do not throw exception
if adapter has issues with autoneg") we should also not care too strict when
locating the driver name.
This might cause false positives.
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Instead of throwing an exception when an adapters autoneg capabilities can not
be detected, just pretend it does not support autoneg.
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(cherry picked from commit 3037661951d0e5d1f6264f886781b7ddc019329e)
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Move the two implementations to get the driver name of a NIC from ethernet.py
and ethtool.py to only ethtool.py.
(cherry picked from commit 07840977834816b69fa3b366817d90f44b5dc7a7)
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(cherry picked from commit 1572edd2cef355710d1129907d3e49451a6c31d4)
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Commit 29082959 ("ethernet: T3163: only change ring-buffer settings if
required") added a delta-check code for the ring buffer values, unfortunately
this was never properly evaluated as str() and int() got compared resulting
always in an unequal result.
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It makes no sense to have a parser for the ethtool values in ethtool.py
and ethernet.py - one instance ios more then enough!
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Only update the RX/TX ring-buffer settings if they are different from the ones
currently programmed to the hardware. There is no need to write the same value
to the hardware again - this could cause traffic disruption on some NICs.
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It makes no sense to have a parser for the ethtool value sin ethtool.py
and ethernet.py - one instance ios more then enough!
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Not all interface drivers have the ability to change the speed and duplex
settings. Known drivers with this limitation are vmxnet3, virtio_net and
xen_netfront. If this driver is detected, an error will be presented to the
user.
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This makes understanding the code easier what is "really" called without
opening the man page.
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Deprecated in the Linux Kernel by commit 08a00fea6de277df12ccfadc21 ("net:
Remove references to NETIF_F_UFO from ethtool.").
(cherry picked from commit f5e46ee6cc2b6c1c1869e26beca4ccd5bf52b62f)
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Add a new method which supports checking if the desired speed and duplex
setting is actually supported by the underlaying network interface card.
>>> from vyos.ethtool import Ethtool
>>> tmp = Ethtool('eth0')
>>> tmp.check_speed_duplex('100', 'full')
False
>>> tmp.check_speed_duplex('1000', 'full')
True
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Commit d22f97af ("vyos.ethtool: T3163: rename unused methods for offload
validation") reworked the entire class on how data should be presented to the
user, but forgot to drop the is_fixed_lro() method.
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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.
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In addition to commit cf1156a60e ("ethernet: T3163: probe driver for maximum
rx/tx ring-buffer size") this extends the logic in a way as not every driver
supports setting the buffers at all so it will properly error out.
When invoking "ethtool -g" both stdout and stderr are captured and no exception
is raised if it's an unsupported driver feature. The verify() section will
inform the user about the illegal operation.
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This helper class could be used to interact and retrieve information from
ethtool. It is not used so far in production code.
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