1 files changed, 106 insertions, 0 deletions
diff --git a/src/conf_mode/system_acceleration.py b/src/conf_mode/system_acceleration.py
new file mode 100755
index 000000000..e4b248675
--- /dev/null
+++ b/src/conf_mode/system_acceleration.py
@@ -0,0 +1,106 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2019-2023 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+import os
+import re
+
+from sys import exit
+
+from vyos.config import Config
+from vyos.utils.process import popen
+from vyos.utils.process import run
+from vyos import ConfigError
+from vyos import airbag
+airbag.enable()
+
+qat_init_script = '/etc/init.d/qat_service'
+
+def get_config(config=None):
+    if config:
+        conf = config
+    else:
+        conf = Config()
+
+    data = {}
+
+    if conf.exists(['system', 'acceleration', 'qat']):
+        data.update({'qat_enable' : ''})
+
+    if conf.exists(['vpn', 'ipsec']):
+        data.update({'ipsec' : ''})
+
+    if conf.exists(['interfaces', 'openvpn']):
+        data.update({'openvpn' : ''})
+
+    return data
+
+
+def vpn_control(action, force_ipsec=False):
+    # XXX: Should these commands report failure?
+    if action == 'restore' and force_ipsec:
+        return run('ipsec start')
+
+    return run(f'ipsec {action}')
+
+
+def verify(qat):
+    if 'qat_enable' not in qat:
+        return
+
+    # Check if QAT service installed
+    if not os.path.exists(qat_init_script):
+        raise ConfigError('QAT init script not found')
+
+    # Check if QAT device exist
+    output, err = popen('lspci -nn', decode='utf-8')
+    if not err:
+        # PCI id | Chipset
+        # 19e2 -> C3xx
+        # 37c8 -> C62x
+        # 0435 -> DH895
+        # 6f54 -> D15xx
+        # 18ee -> QAT_200XX
+        data = re.findall(
+            '(8086:19e2)|(8086:37c8)|(8086:0435)|(8086:6f54)|(8086:18ee)', output)
+        # If QAT devices found
+        if not data:
+            raise ConfigError('No QAT acceleration device found')
+
+def apply(qat):
+    # Shutdown VPN service which can use QAT
+    if 'ipsec' in qat:
+        vpn_control('stop')
+
+    # Enable/Disable QAT service
+    if 'qat_enable' in qat:
+        run(f'{qat_init_script} start')
+    else:
+        run(f'{qat_init_script} stop')
+
+    # Recover VPN service
+    if 'ipsec' in qat:
+        vpn_control('start')
+
+
+if __name__ == '__main__':
+    try:
+        c = get_config()
+        verify(c)
+        apply(c)
+    except ConfigError as e:
+        print(e)
+        vpn_control('restore', force_ipsec=('ipsec' in c))
+        exit(1)