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-rw-r--r--src/vnet/fib/fib_table.c69
1 files changed, 67 insertions, 2 deletions
diff --git a/src/vnet/fib/fib_table.c b/src/vnet/fib/fib_table.c
index 76db42d0ec7..57eb0ae8298 100644
--- a/src/vnet/fib/fib_table.c
+++ b/src/vnet/fib/fib_table.c
@@ -1043,6 +1043,26 @@ fib_table_destroy (fib_table_t *fib_table)
break;
}
}
+void
+fib_table_walk (u32 fib_index,
+ fib_protocol_t proto,
+ fib_table_walk_fn_t fn,
+ void *ctx)
+{
+ switch (proto)
+ {
+ case FIB_PROTOCOL_IP4:
+ ip4_fib_table_walk(ip4_fib_get(fib_index), fn, ctx);
+ break;
+ case FIB_PROTOCOL_IP6:
+ ip6_fib_table_walk(fib_index, fn, ctx);
+ break;
+ case FIB_PROTOCOL_MPLS:
+ mpls_fib_table_walk(mpls_fib_get(fib_index), fn, ctx);
+ break;
+ }
+}
+
void
fib_table_unlock (u32 fib_index,
@@ -1094,11 +1114,56 @@ format_fib_table_name (u8* s, va_list ap)
return (s);
}
+/**
+ * @brief Table flush context. Store the indicies of matching FIB entries
+ * that need to be removed.
+ */
+typedef struct fib_table_flush_ctx_t_
+{
+ /**
+ * The list of entries to flush
+ */
+ fib_node_index_t *ftf_entries;
+
+ /**
+ * The source we are flushing
+ */
+ fib_source_t ftf_source;
+} fib_table_flush_ctx_t;
+
+static int
+fib_table_flush_cb (fib_node_index_t fib_entry_index,
+ void *arg)
+{
+ fib_table_flush_ctx_t *ctx = arg;
+
+ if (fib_entry_is_sourced(fib_entry_index, ctx->ftf_source))
+ {
+ vec_add1(ctx->ftf_entries, fib_entry_index);
+ }
+ return (1);
+}
+
+
void
fib_table_flush (u32 fib_index,
fib_protocol_t proto,
fib_source_t source)
{
- // FIXME
- ASSERT(0);
+ fib_node_index_t *fib_entry_index;
+ fib_table_flush_ctx_t ctx = {
+ .ftf_entries = NULL,
+ .ftf_source = source,
+ };
+
+ fib_table_walk(fib_index, proto,
+ fib_table_flush_cb,
+ &ctx);
+
+ vec_foreach(fib_entry_index, ctx.ftf_entries)
+ {
+ fib_entry_delete(*fib_entry_index, source);
+ }
+
+ vec_free(ctx.ftf_entries);
}