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Copyright (c) 2007, 2008 by Juliusz Chroboczek
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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struct buffered_update {
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unsigned char prefix[16];
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struct interface_conf {
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unsigned hello_interval;
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unsigned update_interval;
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struct interface_conf *next;
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#define CONFIG_DEFAULT 0
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#define IF_UP (1 << 0)
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#define IF_WIRED (1<<1)
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#define IF_SPLIT_HORIZON (1 << 2)
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#define IF_LQ (1 << 3)
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#define IF_FARAWAY (1 << 4)
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/* Only INTERFERING can appear on the wire. */
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#define IF_CHANNEL_UNKNOWN 0
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#define IF_CHANNEL_INTERFERING 255
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#define IF_CHANNEL_NONINTERFERING -2
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struct interface *next;
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struct interface_conf *conf;
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struct timeval hello_timeout;
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struct timeval update_timeout;
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struct timeval flush_timeout;
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struct timeval update_flush_timeout;
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char name[IF_NAMESIZE];
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unsigned char (*ll)[16];
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char have_buffered_hello;
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char have_buffered_id;
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char have_buffered_nh;
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char have_buffered_prefix;
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unsigned char buffered_id[16];
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unsigned char buffered_nh[4];
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unsigned char buffered_prefix[16];
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unsigned char *sendbuf;
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struct buffered_update *buffered_updates;
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int num_buffered_updates;
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time_t last_update_time;
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unsigned short hello_seqno;
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unsigned hello_interval;
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unsigned update_interval;
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#define IF_CONF(_ifp, _field) \
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((_ifp)->conf ? (_ifp)->conf->_field : 0)
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extern struct interface *interfaces;
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#define FOR_ALL_INTERFACES(_ifp) for(_ifp = interfaces; _ifp; _ifp = _ifp->next)
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if_up(struct interface *ifp)
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return !!(ifp->flags & IF_UP);
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struct interface *add_interface(char *ifname, struct interface_conf *if_conf);
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int interface_idle(struct interface *ifp);
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int update_hello_interval(struct interface *ifp);
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unsigned jitter(struct interface *ifp, int urgent);
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unsigned update_jitter(struct interface *ifp, int urgent);
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void set_timeout(struct timeval *timeout, int msecs);
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int interface_up(struct interface *ifp, int up);
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int interface_ll_address(struct interface *ifp, const unsigned char *address);
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void check_interfaces(void);
added
removed
interface.h
