| /* |
| * This file is free software: you may copy, redistribute 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 file 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, see <http://www.gnu.org/licenses/>. |
| * |
| * This file incorporates work covered by the following copyright and |
| * permission notice: |
| * |
| 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. |
| */ |
| |
| 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 */ |
| 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_cost(struct neighbour *neigh); |