1 files changed, 47 insertions, 0 deletions
diff --git a/src/network/networkd-route-metric.h b/src/network/networkd-route-metric.h
new file mode 100644
index 0000000..212f907
--- /dev/null
+++ b/src/network/networkd-route-metric.h
@@ -0,0 +1,47 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+#pragma once
+
+#include <inttypes.h>
+#include <stdbool.h>
+
+#include "sd-netlink.h"
+
+#include "conf-parser.h"
+#include "hash-funcs.h"
+
+typedef struct RouteMetric {
+        size_t n_metrics; /* maximum metric attr type with non-zero value */
+        uint32_t *metrics; /* RTAX_*, except for RTAX_CC_ALGO */
+
+        size_t n_metrics_set;
+        bool *metrics_set; /* used by conf parsers */
+
+        char *tcp_congestion_control_algo; /* RTAX_CC_ALGO */
+} RouteMetric;
+
+#define ROUTE_METRIC_NULL ((const RouteMetric) {})
+
+void route_metric_done(RouteMetric *metric);
+int route_metric_copy(const RouteMetric *src, RouteMetric *dest);
+
+void route_metric_hash_func(const RouteMetric *metric, struct siphash *state);
+int route_metric_compare_func(const RouteMetric *a, const RouteMetric *b);
+bool route_metric_can_update(const RouteMetric *a, const RouteMetric *b, bool expiration_by_kernel);
+
+int route_metric_set_full(RouteMetric *metric, uint16_t attr, uint32_t value, bool force);
+static inline int route_metric_set(RouteMetric *metric, uint16_t attr, uint32_t value) {
+        return route_metric_set_full(metric, attr, value, false);
+}
+uint32_t route_metric_get(const RouteMetric *metric, uint16_t attr);
+
+int route_metric_set_netlink_message(const RouteMetric *metric, sd_netlink_message *m);
+int route_metric_read_netlink_message(RouteMetric *metric, sd_netlink_message *message);
+
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_mtu);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_advmss);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_hop_limit);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_tcp_window);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_tcp_rto);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_boolean);
+CONFIG_PARSER_PROTOTYPE(config_parse_route_metric_tcp_congestion);
+CONFIG_PARSER_PROTOTYPE(config_parse_tcp_window);