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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-09 13:16:35 +0000
commite2bbf175a2184bd76f6c54ccf8456babeb1a46fc (patch)
treef0b76550d6e6f500ada964a3a4ee933a45e5a6f1 /babeld/neighbour.h
parentInitial commit. (diff)
downloadfrr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.tar.xz
frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.zip
Adding upstream version 9.1.upstream/9.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'babeld/neighbour.h')
-rw-r--r--babeld/neighbour.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/babeld/neighbour.h b/babeld/neighbour.h
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+// SPDX-License-Identifier: MIT
+/*
+Copyright (c) 2007, 2008 by Juliusz Chroboczek
+*/
+
+#ifndef BABEL_NEIGHBOUR_H
+#define BABEL_NEIGHBOUR_H
+
+struct neighbour {
+ struct neighbour *next;
+ /* This is -1 when unknown, so don't make it unsigned */
+ int hello_seqno;
+ unsigned char address[16];
+ unsigned short reach;
+ unsigned short txcost;
+ struct timeval hello_time;
+ struct timeval ihu_time;
+ unsigned short hello_interval; /* in centiseconds */
+ unsigned short ihu_interval; /* in centiseconds */
+ /* Used for RTT estimation. */
+ /* Absolute time (modulo 2^32) at which the Hello was sent,
+ according to remote clock. */
+ unsigned int hello_send_us;
+ struct timeval hello_rtt_receive_time;
+ unsigned int rtt;
+ struct timeval rtt_time;
+ struct interface *ifp;
+};
+
+extern struct neighbour *neighs;
+
+#define FOR_ALL_NEIGHBOURS(_neigh) \
+ for(_neigh = neighs; _neigh; _neigh = _neigh->next)
+
+int neighbour_valid(struct neighbour *neigh);
+void flush_neighbour(struct neighbour *neigh);
+struct neighbour *find_neighbour(const unsigned char *address,
+ struct interface *ifp);
+int update_neighbour(struct neighbour *neigh, int hello, int hello_interval);
+unsigned check_neighbours(void);
+unsigned neighbour_txcost(struct neighbour *neigh);
+unsigned neighbour_rxcost(struct neighbour *neigh);
+unsigned neighbour_rttcost(struct neighbour *neigh);
+unsigned neighbour_cost(struct neighbour *neigh);
+int valid_rtt(struct neighbour *neigh);
+
+#endif /* BABEL_NEIGHBOUR_H */