diff options
Diffstat (limited to 'tools/net/ynl/lib/ynl.py')
| -rw-r--r-- | tools/net/ynl/lib/ynl.py | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/tools/net/ynl/lib/ynl.py b/tools/net/ynl/lib/ynl.py index e73b027c5624..82d3c98067aa 100644 --- a/tools/net/ynl/lib/ynl.py +++ b/tools/net/ynl/lib/ynl.py @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause from collections import namedtuple +from enum import Enum import functools import os import random @@ -76,6 +77,25 @@ class Netlink: NLMSGERR_ATTR_MISS_TYPE = 5 NLMSGERR_ATTR_MISS_NEST = 6 + # Policy types + NL_POLICY_TYPE_ATTR_TYPE = 1 + NL_POLICY_TYPE_ATTR_MIN_VALUE_S = 2 + NL_POLICY_TYPE_ATTR_MAX_VALUE_S = 3 + NL_POLICY_TYPE_ATTR_MIN_VALUE_U = 4 + NL_POLICY_TYPE_ATTR_MAX_VALUE_U = 5 + NL_POLICY_TYPE_ATTR_MIN_LENGTH = 6 + NL_POLICY_TYPE_ATTR_MAX_LENGTH = 7 + NL_POLICY_TYPE_ATTR_POLICY_IDX = 8 + NL_POLICY_TYPE_ATTR_POLICY_MAXTYPE = 9 + NL_POLICY_TYPE_ATTR_BITFIELD32_MASK = 10 + NL_POLICY_TYPE_ATTR_PAD = 11 + NL_POLICY_TYPE_ATTR_MASK = 12 + + AttrType = Enum('AttrType', ['flag', 'u8', 'u16', 'u32', 'u64', + 's8', 's16', 's32', 's64', + 'binary', 'string', 'nul-string', + 'nested', 'nested-array', + 'bitfield32', 'sint', 'uint']) class NlError(Exception): def __init__(self, nl_msg): @@ -198,6 +218,8 @@ class NlMsg: self.extack['miss-nest'] = extack.as_scalar('u32') elif extack.type == Netlink.NLMSGERR_ATTR_OFFS: self.extack['bad-attr-offs'] = extack.as_scalar('u32') + elif extack.type == Netlink.NLMSGERR_ATTR_POLICY: + self.extack['policy'] = self._decode_policy(extack.raw) else: if 'unknown' not in self.extack: self.extack['unknown'] = [] @@ -214,6 +236,30 @@ class NlMsg: desc += f" ({spec['doc']})" self.extack['miss-type'] = desc + def _decode_policy(self, raw): + policy = {} + for attr in NlAttrs(raw): + if attr.type == Netlink.NL_POLICY_TYPE_ATTR_TYPE: + type = attr.as_scalar('u32') + policy['type'] = Netlink.AttrType(type).name + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MIN_VALUE_S: + policy['min-value'] = attr.as_scalar('s64') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MAX_VALUE_S: + policy['max-value'] = attr.as_scalar('s64') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MIN_VALUE_U: + policy['min-value'] = attr.as_scalar('u64') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MAX_VALUE_U: + policy['max-value'] = attr.as_scalar('u64') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MIN_LENGTH: + policy['min-length'] = attr.as_scalar('u32') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MAX_LENGTH: + policy['max-length'] = attr.as_scalar('u32') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_BITFIELD32_MASK: + policy['bitfield32-mask'] = attr.as_scalar('u32') + elif attr.type == Netlink.NL_POLICY_TYPE_ATTR_MASK: + policy['mask'] = attr.as_scalar('u64') + return policy + def cmd(self): return self.nl_type |