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-rw-r--r--vnet/vnet/mpls-gre/pg.c71
1 files changed, 71 insertions, 0 deletions
diff --git a/vnet/vnet/mpls-gre/pg.c b/vnet/vnet/mpls-gre/pg.c
new file mode 100644
index 00000000000..6b6a1017c58
--- /dev/null
+++ b/vnet/vnet/mpls-gre/pg.c
@@ -0,0 +1,71 @@
+/*
+ * pg.c: packet generator mpls/gre interface
+ *
+ * Copyright (c) 2012 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 <vlib/vlib.h>
+#include <vnet/pg/pg.h>
+#include <vnet/gre/gre.h>
+#include <vnet/mpls-gre/mpls.h>
+
+typedef struct {
+ pg_edit_t label;
+} pg_mpls_header_t;
+
+static inline void
+pg_mpls_header_init (pg_mpls_header_t * e)
+{
+ pg_edit_init (&e->label, mpls_unicast_header_t, label_exp_s_ttl);
+}
+
+uword
+unformat_pg_mpls_header (unformat_input_t * input, va_list * args)
+{
+ pg_stream_t * s = va_arg (*args, pg_stream_t *);
+ pg_mpls_header_t * h;
+ vlib_main_t * vm = vlib_get_main();
+ u32 group_index, error;
+
+ h = pg_create_edit_group (s, sizeof (h[0]), sizeof (mpls_unicast_header_t),
+ &group_index);
+ pg_mpls_header_init (h);
+
+ error = 1;
+ if (! unformat (input, "%U",
+ unformat_pg_edit,
+ unformat_mpls_label_net_byte_order, &h->label))
+ goto done;
+
+ {
+ pg_node_t * pg_node = 0;
+ vlib_node_t * ip_lookup_node;
+
+ ip_lookup_node = vlib_get_node_by_name (vm, (u8 *)"ip4-input");
+ ASSERT (ip_lookup_node);
+
+ pg_node = pg_get_node (ip_lookup_node->index);
+
+ if (pg_node && pg_node->unformat_edit
+ && unformat_user (input, pg_node->unformat_edit, s))
+ ;
+ }
+
+ error = 0;
+ done:
+ if (error)
+ pg_free_edit_group (s);
+ return error == 0;
+}
+