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Annotation of embedaddon/quagga/pimd/pim_assert.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:   PIM for Quagga
                      3:   Copyright (C) 2008  Everton da Silva Marques
                      4: 
                      5:   This program is free software; you can redistribute it and/or modify
                      6:   it under the terms of the GNU General Public License as published by
                      7:   the Free Software Foundation; either version 2 of the License, or
                      8:   (at your option) any later version.
                      9: 
                     10:   This program is distributed in the hope that it will be useful, but
                     11:   WITHOUT ANY WARRANTY; without even the implied warranty of
                     12:   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
                     13:   General Public License for more details.
                     14:   
                     15:   You should have received a copy of the GNU General Public License
                     16:   along with this program; see the file COPYING; if not, write to the
                     17:   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
                     18:   MA 02110-1301 USA
                     19:   
                     20:   $QuaggaId: $Format:%an, %ai, %h$ $
                     21: */
                     22: 
                     23: #ifndef PIM_ASSERT_H
                     24: #define PIM_ASSERT_H
                     25: 
                     26: #include <zebra.h>
                     27: 
                     28: #include "if.h"
                     29: 
                     30: #include "pim_neighbor.h"
                     31: #include "pim_ifchannel.h"
                     32: 
                     33: /*
                     34:   RFC 4601: 4.11.  Timer Values
                     35: 
                     36:   Note that for historical reasons, the Assert message lacks a
                     37:   Holdtime field.  Thus, changing the Assert Time from the default
                     38:   value is not recommended.
                     39:  */
                     40: #define PIM_ASSERT_OVERRIDE_INTERVAL (3)   /* seconds */
                     41: #define PIM_ASSERT_TIME              (180) /* seconds */
                     42: 
                     43: #define PIM_ASSERT_METRIC_PREFERENCE_MAX (0xFFFFFFFF)
                     44: #define PIM_ASSERT_ROUTE_METRIC_MAX      (0xFFFFFFFF)
                     45: 
                     46: void pim_ifassert_winner_set(struct pim_ifchannel     *ch,
                     47:                             enum pim_ifassert_state   new_state,
                     48:                             struct in_addr            winner,
                     49:                             struct pim_assert_metric  winner_metric);
                     50: 
                     51: int pim_assert_recv(struct interface *ifp,
                     52:                    struct pim_neighbor *neigh,
                     53:                    struct in_addr src_addr,
                     54:                    uint8_t *buf, int buf_size);
                     55: 
                     56: int pim_assert_metric_better(const struct pim_assert_metric *m1,
                     57:                             const struct pim_assert_metric *m2);
                     58: int pim_assert_metric_match(const struct pim_assert_metric *m1,
                     59:                            const struct pim_assert_metric *m2);
                     60: 
                     61: int pim_assert_build_msg(uint8_t *pim_msg, int buf_size,
                     62:                         struct interface *ifp,
                     63:                         struct in_addr group_addr,
                     64:                         struct in_addr source_addr,
                     65:                         uint32_t metric_preference,
                     66:                         uint32_t route_metric,
                     67:                         uint32_t rpt_bit_flag);
                     68: 
                     69: int pim_assert_send(struct pim_ifchannel *ch);
                     70: 
                     71: int assert_action_a1(struct pim_ifchannel *ch);
                     72: void assert_action_a4(struct pim_ifchannel *ch);
                     73: void assert_action_a5(struct pim_ifchannel *ch);
                     74: 
                     75: #endif /* PIM_ASSERT_H */