1 files changed, 132 insertions, 0 deletions
diff --git a/plugins/sixrd-plugin/sixrd/sixrd_dpo.c b/plugins/sixrd-plugin/sixrd/sixrd_dpo.c
new file mode 100644
index 00000000000..88a079350a3
--- /dev/null
+++ b/plugins/sixrd-plugin/sixrd/sixrd_dpo.c
@@ -0,0 +1,132 @@
+/*
+ * Copyright (c) 2016 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "sixrd_dpo.h"
+#include <vnet/ip/ip.h>
+
+/**
+ * pool of all MPLS Label DPOs
+ */
+sixrd_dpo_t *sixrd_dpo_pool;
+
+/**
+ * The register SIXRD DPO type
+ */
+dpo_type_t sixrd_dpo_type;
+
+static sixrd_dpo_t *
+sixrd_dpo_alloc (void)
+{
+    sixrd_dpo_t *sd;
+
+    pool_get_aligned(sixrd_dpo_pool, sd, CLIB_CACHE_LINE_BYTES);
+    memset(sd, 0, sizeof(*sd));
+
+    return (sd);
+}
+
+static index_t
+sixrd_dpo_get_index (sixrd_dpo_t *sd)
+{
+    return (sd - sixrd_dpo_pool);
+}
+
+void
+sixrd_dpo_create (dpo_proto_t dproto,
+		u32 domain_index,
+		dpo_id_t *dpo)
+{
+    sixrd_dpo_t *sd;
+
+    sd = sixrd_dpo_alloc();
+    sd->sd_domain = domain_index;
+    sd->sd_proto = dproto;
+
+    dpo_set(dpo,
+	    sixrd_dpo_type,
+	    dproto,
+	    sixrd_dpo_get_index(sd));
+}
+
+u8*
+format_sixrd_dpo (u8 *s, va_list *args)
+{
+    index_t index = va_arg (*args, index_t);
+    CLIB_UNUSED(u32 indent) = va_arg (*args, u32);
+    sixrd_dpo_t *sd;
+
+    sd = sixrd_dpo_get(index);
+
+    return (format(s, "sixrd:[%d]:%U domain:%d",
+		   index,
+                   format_dpo_proto, sd->sd_proto,
+		   sd->sd_domain));
+}
+
+
+static void
+sixrd_dpo_lock (dpo_id_t *dpo)
+{
+    sixrd_dpo_t *sd;
+
+    sd = sixrd_dpo_get(dpo->dpoi_index);
+
+    sd->sd_locks++;
+}
+
+static void
+sixrd_dpo_unlock (dpo_id_t *dpo)
+{
+    sixrd_dpo_t *sd;
+
+    sd = sixrd_dpo_get(dpo->dpoi_index);
+
+    sd->sd_locks--;
+
+    if (0 == sd->sd_locks)
+    {
+	pool_put(sixrd_dpo_pool, sd);
+    }
+}
+
+const static dpo_vft_t sd_vft = {
+    .dv_lock = sixrd_dpo_lock,
+    .dv_unlock = sixrd_dpo_unlock,
+    .dv_format = format_sixrd_dpo,
+};
+
+const static char* const sixrd_ip4_nodes[] =
+{
+    "ip4-sixrd",
+    NULL,
+};
+const static char* const sixrd_ip6_nodes[] =
+{
+    "ip6-sixrd",
+    NULL,
+};
+
+const static char* const * const sixrd_nodes[DPO_PROTO_NUM] =
+{
+    [DPO_PROTO_IP4]  = sixrd_ip4_nodes,
+    [DPO_PROTO_IP6]  = sixrd_ip6_nodes,
+    [DPO_PROTO_MPLS] = NULL,
+};
+
+void
+sixrd_dpo_module_init (void)
+{
+    sixrd_dpo_type = dpo_register_new_type(&sd_vft, sixrd_nodes);
+}