projects / mirror_frr.git / blame
| Commit | Line | Data |
|---|---|---|
| acddc0ed | 1 | // SPDX-License-Identifier: MIT |
| ca10883e DS |
2 | /* |
| 3 | Copyright (c) 2007, 2008 by Juliusz Chroboczek | |
| ca10883e DS |
4 | */ |
| 5 | ||
| 6 | #ifndef BABEL_NEIGHBOUR_H | |
| 7 | #define BABEL_NEIGHBOUR_H | |
| 8 | ||
| 9 | struct neighbour { | |
| 10 | struct neighbour *next; | |
| 11 | /* This is -1 when unknown, so don't make it unsigned */ | |
| 12 | int hello_seqno; | |
| 13 | unsigned char address[16]; | |
| 14 | unsigned short reach; | |
| 15 | unsigned short txcost; | |
| 16 | struct timeval hello_time; | |
| 17 | struct timeval ihu_time; | |
| 18 | unsigned short hello_interval; /* in centiseconds */ | |
| 19 | unsigned short ihu_interval; /* in centiseconds */ | |
| 20 | /* Used for RTT estimation. */ | |
| 21 | /* Absolute time (modulo 2^32) at which the Hello was sent, | |
| 22 | according to remote clock. */ | |
| 23 | unsigned int hello_send_us; | |
| 24 | struct timeval hello_rtt_receive_time; | |
| 25 | unsigned int rtt; | |
| 26 | struct timeval rtt_time; | |
| 27 | struct interface *ifp; | |
| 28 | }; | |
| 29 | ||
| 30 | extern struct neighbour *neighs; | |
| 31 | ||
| 32 | #define FOR_ALL_NEIGHBOURS(_neigh) \ | |
| 33 | for(_neigh = neighs; _neigh; _neigh = _neigh->next) | |
| 34 | ||
| 35 | int neighbour_valid(struct neighbour *neigh); | |
| 36 | void flush_neighbour(struct neighbour *neigh); | |
| 37 | struct neighbour *find_neighbour(const unsigned char *address, | |
| 38 | struct interface *ifp); | |
| 39 | int update_neighbour(struct neighbour *neigh, int hello, int hello_interval); | |
| 40 | unsigned check_neighbours(void); | |
| 41 | unsigned neighbour_txcost(struct neighbour *neigh); | |
| 42 | unsigned neighbour_rxcost(struct neighbour *neigh); | |
| 43 | unsigned neighbour_rttcost(struct neighbour *neigh); | |
| 44 | unsigned neighbour_cost(struct neighbour *neigh); | |
| 45 | int valid_rtt(struct neighbour *neigh); | |
| 46 | ||
| 47 | #endif /* BABEL_NEIGHBOUR_H */ |