Improved PMTU probe algorithm.

[meshlink] / src / pmtu.h

diff --git a/src/pmtu.h b/src/pmtu.h
new file mode 100644 (file)
index 0000000..3e4c5ac
--- /dev/null
+++ b/src/pmtu.h
@@ -0,0 +1,28 @@
+#ifndef MESHLINK_PMTU_H
+#define MESHLINK_PMTU_H
+
+/*
+    pmtu.h -- header for pmtu.c
+    Copyright (C) 2020 Guus Sliepen <guus@meshlink.io>
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    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, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#define MIN_PROBE_SIZE 4
+
+extern void keepalive(struct meshlink_handle *mesh, struct node_t *n, bool traffic);
+extern void udp_probe_h(struct meshlink_handle *mesh, struct node_t *n, struct vpn_packet_t *packet, uint16_t len);
+
+#endif