Adding upstream version 8.4.4.upstream/8.4.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 102 insertions, 0 deletions

diff --git a/babeld/message.h b/babeld/message.h
new file mode 100644
index 0000000..22db35e
--- /dev/null
+++ b/babeld/message.h
@@ -0,0 +1,102 @@
+/*
+Copyright (c) 2007, 2008 by Juliusz Chroboczek
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+#ifndef BABEL_MESSAGE_H
+#define BABEL_MESSAGE_H
+
+#include "babel_interface.h"
+
+#define MAX_BUFFERED_UPDATES 200
+
+#define BUCKET_TOKENS_MAX 200
+#define BUCKET_TOKENS_PER_SEC 40
+
+/* A registry of assigned TLV and sub-TLV types is available at
+   http://www.pps.univ-paris-diderot.fr/~jch/software/babel/babel-tlv-registry.text
+*/
+#define MESSAGE_PAD1 0
+#define MESSAGE_PADN 1
+#define MESSAGE_ACK_REQ 2
+#define MESSAGE_ACK 3
+#define MESSAGE_HELLO 4
+#define MESSAGE_IHU 5
+#define MESSAGE_ROUTER_ID 6
+#define MESSAGE_NH 7
+#define MESSAGE_UPDATE 8
+#define MESSAGE_REQUEST 9
+#define MESSAGE_MH_REQUEST 10
+#define MESSAGE_MAX 10
+
+/* Protocol extension through sub-TLVs. */
+#define SUBTLV_PAD1 0
+#define SUBTLV_PADN 1
+#define SUBTLV_DIVERSITY 2 /* Also known as babelz. */
+#define SUBTLV_TIMESTAMP 3 /* Used to compute RTT. */
+#define SUBTLV_MANDATORY 0x80
+
+extern unsigned short myseqno;
+
+extern int broadcast_ihu;
+extern int split_horizon;
+
+extern struct neighbour *unicast_neighbour;
+extern struct timeval unicast_flush_timeout;
+
+void parse_packet(const unsigned char *from, struct interface *ifp,
+                  const unsigned char *packet, int packetlen);
+void flushbuf(struct interface *ifp);
+void flushupdates(struct interface *ifp);
+void send_ack(struct neighbour *neigh, unsigned short nonce,
+              unsigned short interval);
+void send_hello_noupdate(struct interface *ifp, unsigned interval);
+void send_hello(struct interface *ifp);
+void flush_unicast(int dofree);
+void send_update(struct interface *ifp, int urgent,
+                 const unsigned char *prefix, unsigned char plen);
+void send_update_resend(struct interface *ifp,
+                        const unsigned char *prefix, unsigned char plen);
+void send_wildcard_retraction(struct interface *ifp);
+void update_myseqno(void);
+void send_self_update(struct interface *ifp);
+void send_ihu(struct neighbour *neigh, struct interface *ifp);
+void send_marginal_ihu(struct interface *ifp);
+void send_request(struct interface *ifp,
+                  const unsigned char *prefix, unsigned char plen);
+void send_unicast_request(struct neighbour *neigh,
+                          const unsigned char *prefix, unsigned char plen);
+void send_multihop_request(struct interface *ifp,
+                           const unsigned char *prefix, unsigned char plen,
+                           unsigned short seqno, const unsigned char *id,
+                           unsigned short hop_count);
+void
+send_unicast_multihop_request(struct neighbour *neigh,
+                              const unsigned char *prefix, unsigned char plen,
+                              unsigned short seqno, const unsigned char *id,
+                              unsigned short hop_count);
+void send_request_resend(struct neighbour *neigh,
+                         const unsigned char *prefix, unsigned char plen,
+                         unsigned short seqno, unsigned char *id);
+void handle_request(struct neighbour *neigh, const unsigned char *prefix,
+                    unsigned char plen, unsigned char hop_count,
+                    unsigned short seqno, const unsigned char *id);
+
+#endif