Annotation of embedaddon/quagga/pimd/pim_igmpv3.h, revision 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 */
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