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Wed, 02 Oct 2024 02:03:18 -0700 (PDT) Received: from serenity.mandelbit.com ([2001:67c:2fbc:1:da6e:ecd8:2234:c32e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37cd56e8822sm13602320f8f.50.2024.10.02.02.03.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Oct 2024 02:03:18 -0700 (PDT) From: Antonio Quartulli Date: Wed, 02 Oct 2024 11:02:15 +0200 Subject: [PATCH net-next v8 01/24] netlink: add NLA_POLICY_MAX_LEN macro Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241002-b4-ovpn-v8-1-37ceffcffbde@openvpn.net> References: <20241002-b4-ovpn-v8-0-37ceffcffbde@openvpn.net> In-Reply-To: <20241002-b4-ovpn-v8-0-37ceffcffbde@openvpn.net> To: Eric Dumazet , Jakub Kicinski , Paolo Abeni , Donald Hunter , Antonio Quartulli , Shuah Khan Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, sd@queasysnail.net, ryazanov.s.a@gmail.com X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1538; i=antonio@openvpn.net; h=from:subject:message-id; bh=BlosqxkVcubrmJg/4VB7LReocifRDKBIus4x10zDNg0=; b=owEBbQGS/pANAwAIAQtw5TqgONWHAcsmYgBm/QxQDUeMpT4CQRRPSNmsg6uA36wdILEsWR2YN XhA5+OTrZaJATMEAAEIAB0WIQSZq9xs+NQS5N5fwPwLcOU6oDjVhwUCZv0MUAAKCRALcOU6oDjV hzjaB/9LFbG/DdXZJfVBAml13MngrdL8EDI+wtbFws8hT517/dYRe16eEwq9vtREmMYCglyD4mk OhmXkwuAIIuSGNW14J2F/gdYxSmha49EZo7F9zGHNHwVJ8Krf+h/xFAHyPrU6ZBDGHgz3phIg7m ERvKfA8Arck6jKxv/4yOjsRmdhaAFw/wYnsbUmTSJF6iYyXnfoSRk3isphHcddcKhhhPR37yl8j bZKkumK0OZ2ymnfiLSL8/aLCaszHlxOY1POwp/cMRl+yIy0o4j1kU9/SXfmZfAvF6VoCwtoWx5e QreWQvz3jsoui2V9a7oANKLxvxZmevPGKkc9vL2q+Jz2CYRe X-Developer-Key: i=antonio@openvpn.net; a=openpgp; fpr=CABDA1282017C267219885C748F0CCB68F59D14C X-Patchwork-Delegate: kuba@kernel.org 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 --- 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 db6af207287c839408c58cb28b82408e0548eaca..2dc671c977ff3297975269d236264907009703d3 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 717530bc9c52e7cfa897814870b4583c88618a27..3ccbb301be87f80bbcf03da63d60f58c4fedc1c8 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: