Merge pull request #4548 from c-po/T7202-conntrack

 conntrack: T7208: nf_conntrack_buckets defaults and behavior

1 files changed, 30 insertions, 0 deletions

diff --git a/src/migration-scripts/conntrack/5-to-6 b/src/migration-scripts/conntrack/5-to-6
new file mode 100644
index 000000000..1db2e78b4
--- /dev/null
+++ b/src/migration-scripts/conntrack/5-to-6
@@ -0,0 +1,30 @@
+# Copyright 2025 VyOS maintainers and contributors <maintainers@vyos.io>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+# T7202: fix lower limit of supported conntrack hash-size to match Kernel
+#        lower limit.
+
+from vyos.configtree import ConfigTree
+
+base = ['system', 'conntrack']
+def migrate(config: ConfigTree) -> None:
+    if not config.exists(base):
+        # Nothing to do
+        return
+
+    if config.exists(base + ['hash-size']):
+        tmp = config.return_value(base + ['hash-size'])
+        if int(tmp) < 1024:
+            config.set(base + ['hash-size'], value=1024)