ynl: support binary and integer sub-type for indexed-array
Add binary and integer sub-type support for indexed-array to display bond arp and ns targets. Here is what the result looks like: # ip link add bond0 type bond mode 1 \ arp_ip_target 192.168.1.1,192.168.1.2 ns_ip6_target 2001::1,2001::2 # ./tools/net/ynl/cli.py --spec Documentation/netlink/specs/rt_link.yaml \ --do getlink --json '{"ifname": "bond0"}' --output-json | jq '.linkinfo' "arp-ip-target": [ "192.168.1.1", "192.168.1.2" ], [...] "ns-ip6-target": [ "2001::1", "2001::2" ], Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Link: https://lore.kernel.org/r/20240404063114.1221532-3-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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@ -66,9 +66,13 @@ looks like::
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[MEMBER1]
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[MEMBER1]
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[MEMBER2]
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[MEMBER2]
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It wraps the entire array in an extra attribute (hence limiting its size
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Other ``sub-type`` like ``u32`` means there is only one member as described
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to 64kB). The ``ENTRY`` nests are special and have the index of the entry
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in ``sub-type`` in the ``ENTRY``. The structure looks like::
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as their type instead of normal attribute type.
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[SOME-OTHER-ATTR]
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[ARRAY-ATTR]
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[ENTRY u32]
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[ENTRY u32]
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type-value
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type-value
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~~~~~~~~~~
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~~~~~~~~~~
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@ -641,6 +641,16 @@ class YnlFamily(SpecFamily):
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if attr_spec["sub-type"] == 'nest':
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if attr_spec["sub-type"] == 'nest':
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subattrs = self._decode(NlAttrs(item.raw), attr_spec['nested-attributes'])
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subattrs = self._decode(NlAttrs(item.raw), attr_spec['nested-attributes'])
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decoded.append({ item.type: subattrs })
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decoded.append({ item.type: subattrs })
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elif attr_spec["sub-type"] == 'binary':
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subattrs = item.as_bin()
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if attr_spec.display_hint:
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subattrs = self._formatted_string(subattrs, attr_spec.display_hint)
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decoded.append(subattrs)
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elif attr_spec["sub-type"] in NlAttr.type_formats:
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subattrs = item.as_scalar(attr_spec['sub-type'], attr_spec.byte_order)
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if attr_spec.display_hint:
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subattrs = self._formatted_string(subattrs, attr_spec.display_hint)
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decoded.append(subattrs)
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else:
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else:
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raise Exception(f'Unknown {attr_spec["sub-type"]} with name {attr_spec["name"]}')
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raise Exception(f'Unknown {attr_spec["sub-type"]} with name {attr_spec["name"]}')
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return decoded
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return decoded
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