From e2bbf175a2184bd76f6c54ccf8456babeb1a46fc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Tue, 9 Apr 2024 15:16:35 +0200 Subject: Adding upstream version 9.1. Signed-off-by: Daniel Baumann --- pimd/pim_igmpv3.h | 101 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 101 insertions(+) create mode 100644 pimd/pim_igmpv3.h (limited to 'pimd/pim_igmpv3.h') diff --git a/pimd/pim_igmpv3.h b/pimd/pim_igmpv3.h new file mode 100644 index 0000000..43c7df4 --- /dev/null +++ b/pimd/pim_igmpv3.h @@ -0,0 +1,101 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * PIM for Quagga + * Copyright (C) 2008 Everton da Silva Marques + */ + +#ifndef PIM_IGMPV3_H +#define PIM_IGMPV3_H + +#include +#include "if.h" + +#include "pim_igmp.h" + +#define IGMP_V3_CHECKSUM_OFFSET (2) +#define IGMP_V3_REPORT_NUMGROUPS_OFFSET (6) +#define IGMP_V3_REPORT_GROUPPRECORD_OFFSET (8) +#define IGMP_V3_NUMSOURCES_OFFSET (10) +#define IGMP_V3_SOURCES_OFFSET (12) + +#define IGMP_GRP_REC_TYPE_MODE_IS_INCLUDE (1) +#define IGMP_GRP_REC_TYPE_MODE_IS_EXCLUDE (2) +#define IGMP_GRP_REC_TYPE_CHANGE_TO_INCLUDE_MODE (3) +#define IGMP_GRP_REC_TYPE_CHANGE_TO_EXCLUDE_MODE (4) +#define IGMP_GRP_REC_TYPE_ALLOW_NEW_SOURCES (5) +#define IGMP_GRP_REC_TYPE_BLOCK_OLD_SOURCES (6) + +/* GMI: Group Membership Interval */ +#define PIM_IGMP_GMI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * (qri_dsec)) + +/* OQPI: Other Querier Present Interval */ +#define PIM_IGMP_OQPI_MSEC(qrv,qqi,qri_dsec) ((qrv) * (1000 * (qqi)) + 100 * ((qri_dsec) >> 1)) + +/* SQI: Startup Query Interval */ +#define PIM_IGMP_SQI(qi) (((qi) < 4) ? 1 : ((qi) >> 2)) + +/* LMQT: Last Member Query Time */ +#define PIM_IGMP_LMQT_MSEC(lmqi_dsec, lmqc) ((lmqc) * (100 * (lmqi_dsec))) + +/* OHPI: Older Host Present Interval */ +#define PIM_IGMP_OHPI_DSEC(qrv,qqi,qri_dsec) ((qrv) * (10 * (qqi)) + (qri_dsec)) + +#if PIM_IPV == 4 +void igmp_group_reset_gmi(struct gm_group *group); +void igmp_source_reset_gmi(struct gm_group *group, struct gm_source *source); + +void igmp_source_free(struct gm_source *source); +void igmp_source_delete(struct gm_source *source); +void igmp_source_delete_expired(struct list *source_list); + +void igmpv3_report_isin(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_isex(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources, int from_igmp_v2_report); +void igmpv3_report_toin(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_toex(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_allow(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); +void igmpv3_report_block(struct gm_sock *igmp, struct in_addr from, + struct in_addr group_addr, int num_sources, + struct in_addr *sources); + +void igmp_group_timer_lower_to_lmqt(struct gm_group *group); +void igmp_source_timer_lower_to_lmqt(struct gm_source *source); + +struct gm_source *igmp_find_source_by_addr(struct gm_group *group, + struct in_addr src_addr); + +void igmp_v3_send_query(struct gm_group *group, int fd, const char *ifname, + char *query_buf, int query_buf_size, int num_sources, + struct in_addr dst_addr, struct in_addr group_addr, + int query_max_response_time_dsec, uint8_t s_flag, + uint8_t querier_robustness_variable, + uint16_t querier_query_interval); + +void igmp_v3_recv_query(struct gm_sock *igmp, const char *from_str, + char *igmp_msg); + +int igmp_v3_recv_report(struct gm_sock *igmp, struct in_addr from, + const char *from_str, char *igmp_msg, int igmp_msg_len); + +#else /* PIM_IPV != 4 */ +static inline void igmp_group_reset_gmi(struct gm_group *group) +{ +} + + +static inline void igmp_source_reset_gmi(struct gm_group *group, + struct gm_source *source) +{ +} +#endif + +#endif /* PIM_IGMPV3_H */ -- cgit v1.2.3