network: add SuppressPrefixLength option to RoutingPolicyRule (#14736)

[thirdparty/systemd.git] / src / network / networkd-manager.c

diff --git a/src/network/networkd-manager.c b/src/network/networkd-manager.c
index 2528fb52676cbfd45466e36132d1742e52230211..5a442038c48758bd25881d2ef868bf663a92251d 100644 (file)
--- a/src/network/networkd-manager.c
+++ b/src/network/networkd-manager.c
@@ -962,6 +962,7 @@ int manager_rtnl_process_rule(sd_netlink *rtnl, sd_netlink_message *message, voi
         _cleanup_free_ char *from = NULL, *to = NULL;
         RoutingPolicyRule *rule = NULL;
         const char *iif = NULL, *oif = NULL;
+        uint32_t suppress_prefixlen;
         Manager *m = userdata;
         unsigned flags;
         uint16_t type;
@@ -1144,6 +1145,14 @@ int manager_rtnl_process_rule(sd_netlink *rtnl, sd_netlink_message *message, voi
                 return 0;
         }
 
+        r = sd_netlink_message_read_u32(message, FRA_SUPPRESS_PREFIXLEN, &suppress_prefixlen);
+        if (r < 0 && r != -ENODATA) {
+                log_warning_errno(r, "rtnl: could not get FRA_SUPPRESS_PREFIXLEN attribute, ignoring: %m");
+                return 0;
+        }
+        if (r >= 0)
+                tmp->suppress_prefixlen = (int) suppress_prefixlen;
+
         (void) routing_policy_rule_get(m, tmp, &rule);
 
         if (DEBUG_LOGGING) {