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Message-ID: <20240506011637.27272-2-antonio@openvpn.net>
Date: Mon, 6 May 2024 03:16:14 +0200
From: Antonio Quartulli <antonio@...nvpn.net>
To: netdev@...r.kernel.org
Cc: Jakub Kicinski <kuba@...nel.org>,
Sergey Ryazanov <ryazanov.s.a@...il.com>,
Paolo Abeni <pabeni@...hat.com>,
Eric Dumazet <edumazet@...gle.com>,
Andrew Lunn <andrew@...n.ch>,
Esben Haabendal <esben@...nix.com>,
Antonio Quartulli <antonio@...nvpn.net>
Subject: [PATCH net-next v3 01/24] netlink: add NLA_POLICY_MAX_LEN macro
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.
Signed-off-by: Antonio Quartulli <antonio@...nvpn.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 61cef3bd2d31..24b23547b0af 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 c0b90c104d92..dd60c51617fd 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.checks['exact-len']) + ')'
+ elif 'max-len' in self.checks:
+ mem = 'NLA_POLICY_MAX_LEN(' + str(self.checks['max-len']) + ')'
else:
mem = '{ '
if len(self.checks) == 1 and 'min-len' in self.checks:
--
2.43.2
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