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Annotation of embedaddon/quagga/pimd/pim_igmpv3.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_IGMPV3_H
                     24: #define PIM_IGMPV3_H
                     25: 
                     26: #include <zebra.h>
                     27: #include "if.h"
                     28: 
                     29: #define IGMP_V3_CHECKSUM_OFFSET            (2)
                     30: #define IGMP_V3_REPORT_NUMGROUPS_OFFSET    (6)
                     31: #define IGMP_V3_REPORT_GROUPPRECORD_OFFSET (8)
                     32: #define IGMP_V3_NUMSOURCES_OFFSET          (10)
                     33: #define IGMP_V3_SOURCES_OFFSET             (12)
                     34: 
                     35: /* GMI: Group Membership Interval */
                     36: #define PIM_IGMP_GMI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * (qri_dsec))
                     37: 
                     38: /* OQPI: Other Querier Present Interval */
                     39: #define PIM_IGMP_OQPI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * ((qri_dsec) >> 1))
                     40: 
                     41: /* SQI: Startup Query Interval */
                     42: #define PIM_IGMP_SQI(qi) (((qi) < 4) ? 1 : ((qi) >> 2))
                     43: 
                     44: /* LMQT: Last Member Query Time */
                     45: #define PIM_IGMP_LMQT_MSEC(lmqi_dsec, lmqc) ((lmqc) * (100 * (lmqi_dsec)))
                     46: 
                     47: /* OHPI: Older Host Present Interval */
                     48: #define PIM_IGMP_OHPI_DSEC(qrv,qqi,qri_dsec) ((qrv) * (10 * (qqi)) + (qri_dsec))
                     49: 
                     50: void igmp_group_reset_gmi(struct igmp_group *group);
                     51: void igmp_source_reset_gmi(struct igmp_sock *igmp,
                     52:                           struct igmp_group *group,
                     53:                           struct igmp_source *source);
                     54: 
                     55: void igmp_source_free(struct igmp_source *source);
                     56: void igmp_source_delete(struct igmp_source *source);
                     57: void igmp_source_delete_expired(struct list *source_list);
                     58: 
                     59: int igmp_group_compat_mode(const struct igmp_sock *igmp,
                     60:                           const struct igmp_group *group);
                     61: 
                     62: void igmpv3_report_isin(struct igmp_sock *igmp, struct in_addr from,
                     63:                        struct in_addr group_addr,
                     64:                        int num_sources, struct in_addr *sources);
                     65: void igmpv3_report_isex(struct igmp_sock *igmp, struct in_addr from,
                     66:                        struct in_addr group_addr,
                     67:                        int num_sources, struct in_addr *sources);
                     68: void igmpv3_report_toin(struct igmp_sock *igmp, struct in_addr from,
                     69:                        struct in_addr group_addr,
                     70:                        int num_sources, struct in_addr *sources);
                     71: void igmpv3_report_toex(struct igmp_sock *igmp, struct in_addr from,
                     72:                        struct in_addr group_addr,
                     73:                        int num_sources, struct in_addr *sources);
                     74: void igmpv3_report_allow(struct igmp_sock *igmp, struct in_addr from,
                     75:                         struct in_addr group_addr,
                     76:                         int num_sources, struct in_addr *sources);
                     77: void igmpv3_report_block(struct igmp_sock *igmp, struct in_addr from,
                     78:                         struct in_addr group_addr,
                     79:                         int num_sources, struct in_addr *sources);
                     80: 
                     81: void igmp_group_timer_lower_to_lmqt(struct igmp_group *group);
                     82: void igmp_source_timer_lower_to_lmqt(struct igmp_source *source);
                     83: 
                     84: struct igmp_source *igmp_find_source_by_addr(struct igmp_group *group,
                     85:                                             struct in_addr src_addr);
                     86: 
                     87: void pim_igmp_send_membership_query(struct igmp_group *group,
                     88:                                    int fd,
                     89:                                    const char *ifname,
                     90:                                    char *query_buf,
                     91:                                    int query_buf_size,
                     92:                                    int num_sources,
                     93:                                    struct in_addr dst_addr,
                     94:                                    struct in_addr group_addr,
                     95:                                    int query_max_response_time_dsec,
                     96:                                    uint8_t s_flag,
                     97:                                    uint8_t querier_robustness_variable,
                     98:                                    uint16_t querier_query_interval);
                     99: 
                    100: #endif /* PIM_IGMPV3_H */