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75 lines
2.3 KiB
C
75 lines
2.3 KiB
C
/*
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PIM for Quagga
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Copyright (C) 2008 Everton da Silva Marques
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING; if not, write to the
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Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
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MA 02110-1301 USA
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*/
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#ifndef PIM_ASSERT_H
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#define PIM_ASSERT_H
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#include <zebra.h>
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#include "if.h"
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#include "pim_neighbor.h"
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#include "pim_ifchannel.h"
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/*
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RFC 4601: 4.11. Timer Values
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Note that for historical reasons, the Assert message lacks a
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Holdtime field. Thus, changing the Assert Time from the default
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value is not recommended.
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*/
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#define PIM_ASSERT_OVERRIDE_INTERVAL (3) /* seconds */
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#define PIM_ASSERT_TIME (180) /* seconds */
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#define PIM_ASSERT_METRIC_PREFERENCE_MAX (0xFFFFFFFF)
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#define PIM_ASSERT_ROUTE_METRIC_MAX (0xFFFFFFFF)
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void pim_ifassert_winner_set(struct pim_ifchannel *ch,
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enum pim_ifassert_state new_state,
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struct in_addr winner,
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struct pim_assert_metric winner_metric);
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int pim_assert_recv(struct interface *ifp,
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struct pim_neighbor *neigh,
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struct in_addr src_addr,
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uint8_t *buf, int buf_size);
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int pim_assert_metric_better(const struct pim_assert_metric *m1,
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const struct pim_assert_metric *m2);
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int pim_assert_metric_match(const struct pim_assert_metric *m1,
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const struct pim_assert_metric *m2);
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int pim_assert_build_msg(uint8_t *pim_msg, int buf_size,
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struct interface *ifp,
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struct in_addr group_addr,
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struct in_addr source_addr,
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uint32_t metric_preference,
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uint32_t route_metric,
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uint32_t rpt_bit_flag);
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int pim_assert_send(struct pim_ifchannel *ch);
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int assert_action_a1(struct pim_ifchannel *ch);
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void assert_action_a4(struct pim_ifchannel *ch);
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void assert_action_a5(struct pim_ifchannel *ch);
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#endif /* PIM_ASSERT_H */
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