network: ignore requested ipv6 routing policy rule when ipv6 is disabled by sysctl

diff --git a/src/network/networkd-link.c b/src/network/networkd-link.c
index 427d88f44437c64e8b175343a5ecc13a13db5bf2..0c243508a4314ef3f01c1196c13fe748a4f6f280 100644 (file)
--- a/src/network/networkd-link.c
+++ b/src/network/networkd-link.c
@@ -838,8 +838,8 @@ static int link_request_set_routing_policy_rule(Link *link) {
                         link_enter_failed(link);
                         return r;
                 }
-
-                link->routing_policy_rule_messages++;
+                if (r > 0)
+                        link->routing_policy_rule_messages++;
         }
 
         routing_policy_rule_purge(link->manager, link);

diff --git a/src/network/networkd-routing-policy-rule.c b/src/network/networkd-routing-policy-rule.c
index faa9f8576c71e35b5a983e0e1a8c85b8cf63a239..be7f2f225bb9b50fa3259eccfcf93020ee16ad81 100644 (file)
--- a/src/network/networkd-routing-policy-rule.c
+++ b/src/network/networkd-routing-policy-rule.c
@@ -484,6 +484,11 @@ int routing_policy_rule_configure(RoutingPolicyRule *rule, Link *link, link_netl
         assert(link->manager);
         assert(link->manager->rtnl);
 
+        if (rule->family == AF_INET6 && manager_sysctl_ipv6_enabled(link->manager) == 0) {
+                log_link_warning(link, "An IPv6 routing policy rule is requested, but IPv6 is disabled by sysctl, ignoring.");
+                return 0;
+        }
+
         r = sd_rtnl_message_new_routing_policy_rule(link->manager->rtnl, &m, RTM_NEWRULE, rule->family);
         if (r < 0)
                 return log_error_errno(r, "Could not allocate RTM_NEWRULE message: %m");
@@ -593,7 +598,7 @@ int routing_policy_rule_configure(RoutingPolicyRule *rule, Link *link, link_netl
         if (r < 0)
                 return log_error_errno(r, "Could not add rule: %m");
 
-        return 0;
+        return 1;
 }
 
 static int parse_fwmark_fwmask(const char *s, uint32_t *fwmark, uint32_t *fwmask) {