[PATCH net-next v7 01/25] netlink: add NLA_POLICY_MAX_LEN macro
From: Antonio Quartulli <antonio@openvpn.net>
Date: 2024-09-17 01:08:00
Subsystem:
networking [general], the rest, yaml netlink (ynl) · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds, Donald Hunter
Similarly to NLA_POLICY_MIN_LEN, NLA_POLICY_MAX_LEN defines a policy with a maximum length value. The netlink generator for YAML specs has been extended accordingly. Cc: donald.hunter@gmail.com Signed-off-by: Antonio Quartulli <antonio@openvpn.net> --- include/net/netlink.h | 1 + tools/net/ynl/ynl-gen-c.py | 2 ++ 2 files changed, 3 insertions(+)
diff --git a/include/net/netlink.h b/include/net/netlink.h
index db6af207287c..2dc671c977ff 100644
--- a/include/net/netlink.h
+++ b/include/net/netlink.h@@ -469,6 +469,7 @@ struct nla_policy { .max = _len \ } #define NLA_POLICY_MIN_LEN(_len) NLA_POLICY_MIN(NLA_BINARY, _len) +#define NLA_POLICY_MAX_LEN(_len) NLA_POLICY_MAX(NLA_BINARY, _len) /** * struct nl_info - netlink source information
diff --git a/tools/net/ynl/ynl-gen-c.py b/tools/net/ynl/ynl-gen-c.py
index 717530bc9c52..3ccbb301be87 100755
--- a/tools/net/ynl/ynl-gen-c.py
+++ b/tools/net/ynl/ynl-gen-c.py@@ -466,6 +466,8 @@ class TypeBinary(Type): def _attr_policy(self, policy): if 'exact-len' in self.checks: mem = 'NLA_POLICY_EXACT_LEN(' + str(self.get_limit('exact-len')) + ')' + elif 'max-len' in self.checks: + mem = 'NLA_POLICY_MAX_LEN(' + str(self.get_limit('max-len')) + ')' else: mem = '{ ' if len(self.checks) == 1 and 'min-len' in self.checks:
--
2.44.2