summaryrefslogtreecommitdiffstats
path: root/pimd/pim_igmpv3.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--pimd/pim_igmpv3.h114
1 files changed, 114 insertions, 0 deletions
diff --git a/pimd/pim_igmpv3.h b/pimd/pim_igmpv3.h
new file mode 100644
index 0000000..5041e54
--- /dev/null
+++ b/pimd/pim_igmpv3.h
@@ -0,0 +1,114 @@
+/*
+ * PIM for Quagga
+ * Copyright (C) 2008 Everton da Silva Marques
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; see the file COPYING; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#ifndef PIM_IGMPV3_H
+#define PIM_IGMPV3_H
+
+#include <zebra.h>
+#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 */