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authorNicolas Fort <nicolasfort1988@gmail.com>2023-11-21 17:36:20 +0000
committerNicolas Fort <nicolasfort1988@gmail.com>2023-11-21 17:36:20 +0000
commit4e8839b6d78c7629cd2c1daee0438472c96365a4 (patch)
tree1d70d79a5f3d1c2b31f962afdb7e908af5548d27 /src/conf_mode/firewall.py
parent916adfaf0774df0731522bf3cbd886d794735c50 (diff)
downloadvyos-1x-4e8839b6d78c7629cd2c1daee0438472c96365a4.tar.gz
vyos-1x-4e8839b6d78c7629cd2c1daee0438472c96365a4.zip
T5419: firewall: backport firewall flowtable to Sagitta.
Diffstat (limited to 'src/conf_mode/firewall.py')
-rwxr-xr-xsrc/conf_mode/firewall.py36
1 files changed, 35 insertions, 1 deletions
diff --git a/src/conf_mode/firewall.py b/src/conf_mode/firewall.py
index c4974d249..1cc146edd 100755
--- a/src/conf_mode/firewall.py
+++ b/src/conf_mode/firewall.py
@@ -26,7 +26,8 @@ from vyos.config import Config
from vyos.configdict import node_changed
from vyos.configdiff import get_config_diff, Diff
from vyos.configdep import set_dependents, call_dependents
-# from vyos.configverify import verify_interface_exists
+from vyos.configverify import verify_interface_exists
+from vyos.ethtool import Ethtool
from vyos.firewall import fqdn_config_parse
from vyos.firewall import geoip_update
from vyos.template import render
@@ -160,6 +161,15 @@ def verify_rule(firewall, rule_conf, ipv6):
if target not in dict_search_args(firewall, 'ipv6', 'name'):
raise ConfigError(f'Invalid jump-target. Firewall ipv6 name {target} does not exist on the system')
+ if rule_conf['action'] == 'offload':
+ if 'offload_target' not in rule_conf:
+ raise ConfigError('Action set to offload, but no offload-target specified')
+
+ offload_target = rule_conf['offload_target']
+
+ if not dict_search_args(firewall, 'flowtable', offload_target):
+ raise ConfigError(f'Invalid offload-target. Flowtable "{offload_target}" does not exist on the system')
+
if 'queue_options' in rule_conf:
if 'queue' not in rule_conf['action']:
raise ConfigError('queue-options defined, but action queue needed and it is not defined')
@@ -279,7 +289,31 @@ def verify_nested_group(group_name, group, groups, seen):
if 'include' in groups[g]:
verify_nested_group(g, groups[g], groups, seen)
+def verify_hardware_offload(ifname):
+ ethtool = Ethtool(ifname)
+ enabled, fixed = ethtool.get_hw_tc_offload()
+
+ if not enabled and fixed:
+ raise ConfigError(f'Interface "{ifname}" does not support hardware offload')
+
+ if not enabled:
+ raise ConfigError(f'Interface "{ifname}" requires "offload hw-tc-offload"')
+
def verify(firewall):
+ if 'flowtable' in firewall:
+ for flowtable, flowtable_conf in firewall['flowtable'].items():
+ if 'interface' not in flowtable_conf:
+ raise ConfigError(f'Flowtable "{flowtable}" requires at least one interface')
+
+ for ifname in flowtable_conf['interface']:
+ verify_interface_exists(ifname)
+
+ if dict_search_args(flowtable_conf, 'offload') == 'hardware':
+ interfaces = flowtable_conf['interface']
+
+ for ifname in interfaces:
+ verify_hardware_offload(ifname)
+
if 'group' in firewall:
for group_type in nested_group_types:
if group_type in firewall['group']: