1 files changed, 67 insertions, 0 deletions
diff --git a/pimd/pim_assert.h b/pimd/pim_assert.h
new file mode 100644
index 0000000..41f32ea
--- /dev/null
+++ b/pimd/pim_assert.h
@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * PIM for Quagga
+ * Copyright (C) 2008  Everton da Silva Marques
+ */
+
+#ifndef PIM_ASSERT_H
+#define PIM_ASSERT_H
+
+#include <zebra.h>
+
+#include "if.h"
+
+struct pim_ifchannel;
+struct pim_neighbor;
+
+enum pim_ifassert_state {
+	PIM_IFASSERT_NOINFO,
+	PIM_IFASSERT_I_AM_WINNER,
+	PIM_IFASSERT_I_AM_LOSER
+};
+
+struct pim_assert_metric {
+	uint32_t rpt_bit_flag;
+	uint32_t metric_preference;
+	uint32_t route_metric;
+	pim_addr ip_address; /* neighbor router that sourced the Assert
+				      message */
+};
+
+/*
+  RFC 4601: 4.11.  Timer Values
+
+  Note that for historical reasons, the Assert message lacks a
+  Holdtime field.  Thus, changing the Assert Time from the default
+  value is not recommended.
+ */
+#define PIM_ASSERT_OVERRIDE_INTERVAL (3)   /* seconds */
+#define PIM_ASSERT_TIME              (180) /* seconds */
+
+#define PIM_ASSERT_METRIC_PREFERENCE_MAX (0xFFFFFFFF)
+#define PIM_ASSERT_ROUTE_METRIC_MAX      (0xFFFFFFFF)
+
+void pim_ifassert_winner_set(struct pim_ifchannel *ch,
+			     enum pim_ifassert_state new_state, pim_addr winner,
+			     struct pim_assert_metric winner_metric);
+
+int pim_assert_recv(struct interface *ifp, struct pim_neighbor *neigh,
+		    pim_addr src_addr, uint8_t *buf, int buf_size);
+
+int pim_assert_metric_better(const struct pim_assert_metric *m1,
+			     const struct pim_assert_metric *m2);
+int pim_assert_metric_match(const struct pim_assert_metric *m1,
+			    const struct pim_assert_metric *m2);
+
+int pim_assert_build_msg(uint8_t *pim_msg, int buf_size, struct interface *ifp,
+			 pim_addr group_addr, pim_addr source_addr,
+			 uint32_t metric_preference, uint32_t route_metric,
+			 uint32_t rpt_bit_flag);
+
+int pim_assert_send(struct pim_ifchannel *ch);
+
+int assert_action_a1(struct pim_ifchannel *ch);
+void assert_action_a4(struct pim_ifchannel *ch);
+void assert_action_a5(struct pim_ifchannel *ch);
+
+#endif /* PIM_ASSERT_H */