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tools: ynl: ethtool testing tool

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This is what I've been using to see whether the spec makes sense.
A small subset of getters (mostly the unprivileged ones) is implemented.
Some setters (channels) also work.
Setters for messages with bitmasks are not implemented.

Initially I was trying to make this tool look 1:1 like real ethtool,
but eventually gave up :-)

Sample output:

$ ./tools/net/ynl/ethtool enp0s31f6
Settings for enp0s31f6:
Supported ports: [ TP ]
Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half
100baseT/Full 1000baseT/Full
Supported pause frame use: no
Supports auto-negotiation: yes
Supported FEC modes: Not reported
Speed: Unknown!
Duplex: Unknown! (255)
Auto-negotiation: on
Port: Twisted Pair
PHYAD: 2
Transceiver: Internal
MDI-X: Unknown (auto)
Current message level: drv probe link
Link detected: no

Signed-off-by: Stanislav Fomichev <sdf@google.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Stanislav Fomichev
2023-03-29 15:16:55 -07:00
committed by Jakub Kicinski
parent 48993e22d2
commit f3d07b02b2
3 changed files with 444 additions and 0 deletions
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11
tools/net/ynl/lib/ynl.py
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@@ -527,6 +527,17 @@ class YnlFamily(SpecFamily):
self.handle_ntf(nl_msg, gm)
def operation_do_attributes(self, name):
"""
For a given operation name, find and return a supported
set of attributes (as a dict).
"""
op = self.find_operation(name)
if not op:
return None
return op['do']['request']['attributes'].copy()
def _op(self, method, vals, dump=False):
op = self.ops[method]