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Diffstat (limited to 'babeld/babeld.h')
-rw-r--r-- | babeld/babeld.h | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/babeld/babeld.h b/babeld/babeld.h new file mode 100644 index 0000000..38859f5 --- /dev/null +++ b/babeld/babeld.h @@ -0,0 +1,124 @@ +/* +Copyright (c) 2007, 2008 by Juliusz Chroboczek +Copyright 2011 by Matthieu Boutier and 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_BABELD_H +#define BABEL_BABELD_H + +#include <zebra.h> +#include "vty.h" + +#define INFINITY ((unsigned short)(~0)) + +#ifndef RTPROT_BABEL +#define RTPROT_BABEL 42 +#endif + +#define RTPROT_BABEL_LOCAL -2 + +#undef MAX +#undef MIN + +#define MAX(x,y) ((x)<=(y)?(y):(x)) +#define MIN(x,y) ((x)<=(y)?(x):(y)) + +#if defined(__GNUC__) && (__GNUC__ >= 3) +#define ATTRIBUTE(x) __attribute__ (x) +#define LIKELY(_x) __builtin_expect(!!(_x), 1) +#define UNLIKELY(_x) __builtin_expect(!!(_x), 0) +#else +#define ATTRIBUTE(x) /**/ +#define LIKELY(_x) !!(_x) +#define UNLIKELY(_x) !!(_x) +#endif + +#if defined(__GNUC__) && (__GNUC__ >= 4) && (__GNUC_MINOR__ >= 3) +#define COLD __attribute__ ((cold)) +#else +#define COLD /**/ +#endif + +#ifndef IF_NAMESIZE +#include <sys/socket.h> +#include <net/if.h> +#endif + +#ifdef HAVE_VALGRIND +#include <valgrind/memcheck.h> +#else +#ifndef VALGRIND_MAKE_MEM_UNDEFINED +#define VALGRIND_MAKE_MEM_UNDEFINED(a, b) do {} while(0) +#endif +#ifndef VALGRIND_CHECK_MEM_IS_DEFINED +#define VALGRIND_CHECK_MEM_IS_DEFINED(a, b) do {} while(0) +#endif +#endif + + +#define BABEL_VTY_PORT 2609 +#define BABEL_DEFAULT_CONFIG "babeld.conf" + +/* Values in milliseconds */ +#define BABEL_DEFAULT_HELLO_INTERVAL 4000 +#define BABEL_DEFAULT_UPDATE_INTERVAL 16000 +#define BABEL_DEFAULT_RESEND_DELAY 2000 +#define BABEL_DEFAULT_RTT_DECAY 42 + +/* Values in microseconds */ +#define BABEL_DEFAULT_RTT_MIN 10000 +#define BABEL_DEFAULT_RTT_MAX 120000 + +/* In units of seconds */ +#define BABEL_DEFAULT_SMOOTHING_HALF_LIFE 4 + +/* In units of 1/256. */ +#define BABEL_DEFAULT_DIVERSITY_FACTOR 256 + +#define BABEL_DEFAULT_RXCOST_WIRED 96 +#define BABEL_DEFAULT_RXCOST_WIRELESS 256 +#define BABEL_DEFAULT_MAX_RTT_PENALTY 150 + +/* Babel structure. */ +struct babel +{ + /* Babel threads. */ + struct thread *t_read; /* on Babel protocol's socket */ + struct thread *t_update; /* timers */ + /* distribute_ctx */ + struct distribute_ctx *distribute_ctx; +}; + +extern struct zebra_privs_t babeld_privs; + +extern void babeld_quagga_init(void); +extern int input_filter(const unsigned char *id, + const unsigned char *prefix, unsigned short plen, + const unsigned char *neigh, unsigned int ifindex); +extern int output_filter(const unsigned char *id, const unsigned char *prefix, + unsigned short plen, unsigned int ifindex); +extern int redistribute_filter(const unsigned char *prefix, unsigned short plen, + unsigned int ifindex, int proto); +extern int resize_receive_buffer(int size); +extern void schedule_neighbours_check(int msecs, int override); +extern struct babel *babel_lookup(void); + +#endif /* BABEL_BABELD_H */ |