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-rw-r--r--tools/net/ynl/pyynl/lib/ynl.py51
1 files changed, 37 insertions, 14 deletions
diff --git a/tools/net/ynl/pyynl/lib/ynl.py b/tools/net/ynl/pyynl/lib/ynl.py
index 55b59f6c79b8..8244a5f440b2 100644
--- a/tools/net/ynl/pyynl/lib/ynl.py
+++ b/tools/net/ynl/pyynl/lib/ynl.py
@@ -231,14 +231,7 @@ class NlMsg:
self.extack['unknown'].append(extack)
if attr_space:
- # We don't have the ability to parse nests yet, so only do global
- if 'miss-type' in self.extack and 'miss-nest' not in self.extack:
- miss_type = self.extack['miss-type']
- if miss_type in attr_space.attrs_by_val:
- spec = attr_space.attrs_by_val[miss_type]
- self.extack['miss-type'] = spec['name']
- if 'doc' in spec:
- self.extack['miss-type-doc'] = spec['doc']
+ self.annotate_extack(attr_space)
def _decode_policy(self, raw):
policy = {}
@@ -264,6 +257,18 @@ class NlMsg:
policy['mask'] = attr.as_scalar('u64')
return policy
+ def annotate_extack(self, attr_space):
+ """ Make extack more human friendly with attribute information """
+
+ # We don't have the ability to parse nests yet, so only do global
+ if 'miss-type' in self.extack and 'miss-nest' not in self.extack:
+ miss_type = self.extack['miss-type']
+ if miss_type in attr_space.attrs_by_val:
+ spec = attr_space.attrs_by_val[miss_type]
+ self.extack['miss-type'] = spec['name']
+ if 'doc' in spec:
+ self.extack['miss-type-doc'] = spec['doc']
+
def cmd(self):
return self.nl_type
@@ -277,12 +282,12 @@ class NlMsg:
class NlMsgs:
- def __init__(self, data, attr_space=None):
+ def __init__(self, data):
self.msgs = []
offset = 0
while offset < len(data):
- msg = NlMsg(data, offset, attr_space=attr_space)
+ msg = NlMsg(data, offset)
offset += msg.nl_len
self.msgs.append(msg)
@@ -570,7 +575,9 @@ class YnlFamily(SpecFamily):
elif attr["type"] == 'string':
attr_payload = str(value).encode('ascii') + b'\x00'
elif attr["type"] == 'binary':
- if isinstance(value, bytes):
+ if value is None:
+ attr_payload = b''
+ elif isinstance(value, bytes):
attr_payload = value
elif isinstance(value, str):
if attr.display_hint:
@@ -579,6 +586,9 @@ class YnlFamily(SpecFamily):
attr_payload = bytes.fromhex(value)
elif isinstance(value, dict) and attr.struct_name:
attr_payload = self._encode_struct(attr.struct_name, value)
+ elif isinstance(value, list) and attr.sub_type in NlAttr.type_formats:
+ format = NlAttr.get_format(attr.sub_type)
+ attr_payload = b''.join([format.pack(x) for x in value])
else:
raise Exception(f'Unknown type for binary attribute, value: {value}')
elif attr['type'] in NlAttr.type_formats or attr.is_auto_scalar:
@@ -613,6 +623,16 @@ class YnlFamily(SpecFamily):
pad = b'\x00' * ((4 - len(attr_payload) % 4) % 4)
return struct.pack('HH', len(attr_payload) + 4, nl_type) + attr_payload + pad
+ def _get_enum_or_unknown(self, enum, raw):
+ try:
+ name = enum.entries_by_val[raw].name
+ except KeyError as error:
+ if self.process_unknown:
+ name = f"Unknown({raw})"
+ else:
+ raise error
+ return name
+
def _decode_enum(self, raw, attr_spec):
enum = self.consts[attr_spec['enum']]
if enum.type == 'flags' or attr_spec.get('enum-as-flags', False):
@@ -620,11 +640,11 @@ class YnlFamily(SpecFamily):
value = set()
while raw:
if raw & 1:
- value.add(enum.entries_by_val[i].name)
+ value.add(self._get_enum_or_unknown(enum, i))
raw >>= 1
i += 1
else:
- value = enum.entries_by_val[raw].name
+ value = self._get_enum_or_unknown(enum, raw)
return value
def _decode_binary(self, attr, attr_spec):
@@ -757,6 +777,8 @@ class YnlFamily(SpecFamily):
decoded = True
elif attr_spec.is_auto_scalar:
decoded = attr.as_auto_scalar(attr_spec['type'], attr_spec.byte_order)
+ if 'enum' in attr_spec:
+ decoded = self._decode_enum(decoded, attr_spec)
elif attr_spec["type"] in NlAttr.type_formats:
decoded = attr.as_scalar(attr_spec['type'], attr_spec.byte_order)
if 'enum' in attr_spec:
@@ -1034,12 +1056,13 @@ class YnlFamily(SpecFamily):
op_rsp = []
while not done:
reply = self.sock.recv(self._recv_size)
- nms = NlMsgs(reply, attr_space=op.attr_set)
+ nms = NlMsgs(reply)
self._recv_dbg_print(reply, nms)
for nl_msg in nms:
if nl_msg.nl_seq in reqs_by_seq:
(op, vals, req_msg, req_flags) = reqs_by_seq[nl_msg.nl_seq]
if nl_msg.extack:
+ nl_msg.annotate_extack(op.attr_set)
self._decode_extack(req_msg, op, nl_msg.extack, vals)
else:
op = None