summaryrefslogtreecommitdiff
path: root/tools/net
diff options
context:
space:
mode:
authorDavide Caratti <dcaratti@redhat.com>2023-10-23 11:17:06 -0700
committerJakub Kicinski <kuba@kernel.org>2023-10-24 13:00:31 -0700
commit0c63ad3795269849782ca24a084952206986d3bf (patch)
tree4585356be03103804c46a0c2da49302580e829ae /tools/net
parent52c121f4bf27592530f3fedf123b89ed79397af8 (diff)
tools: ynl-gen: add support for exact-len validation
add support for 'exact-len' validation on netlink attributes. Link: https://github.com/multipath-tcp/mptcp_net-next/issues/340 Acked-by: Matthieu Baerts <matttbe@kernel.org> Signed-off-by: Davide Caratti <dcaratti@redhat.com> Signed-off-by: Mat Martineau <martineau@kernel.org> Link: https://lore.kernel.org/r/20231023-send-net-next-20231023-1-v2-2-16b1f701f900@kernel.org Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/net')
-rwxr-xr-xtools/net/ynl/ynl-gen-c.py28
1 files changed, 17 insertions, 11 deletions
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 8ae283b1a9bc..0fee68863db4 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py
@@ -410,10 +410,13 @@ class TypeString(Type):
return f'.type = YNL_PT_NUL_STR, '
def _attr_policy(self, policy):
- mem = '{ .type = ' + policy
- if 'max-len' in self.checks:
- mem += ', .len = ' + str(self.get_limit('max-len'))
- mem += ', }'
+ if 'exact-len' in self.checks:
+ mem = 'NLA_POLICY_EXACT_LEN(' + str(self.checks['exact-len']) + ')'
+ else:
+ mem = '{ .type = ' + policy
+ if 'max-len' in self.checks:
+ mem += ', .len = ' + str(self.get_limit('max-len'))
+ mem += ', }'
return mem
def attr_policy(self, cw):
@@ -459,14 +462,17 @@ class TypeBinary(Type):
return f'.type = YNL_PT_BINARY,'
def _attr_policy(self, policy):
- mem = '{ '
- if len(self.checks) == 1 and 'min-len' in self.checks:
- mem += '.len = ' + str(self.get_limit('min-len'))
- elif len(self.checks) == 0:
- mem += '.type = NLA_BINARY'
+ if 'exact-len' in self.checks:
+ mem = 'NLA_POLICY_EXACT_LEN(' + str(self.checks['exact-len']) + ')'
else:
- raise Exception('One or more of binary type checks not implemented, yet')
- mem += ', }'
+ mem = '{ '
+ if len(self.checks) == 1 and 'min-len' in self.checks:
+ mem += '.len = ' + str(self.get_limit('min-len'))
+ elif len(self.checks) == 0:
+ mem += '.type = NLA_BINARY'
+ else:
+ raise Exception('One or more of binary type checks not implemented, yet')
+ mem += ', }'
return mem
def attr_put(self, ri, var):