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authorDave Barach <dave@barachs.net>2019-10-24 18:10:10 -0400
committerDave Barach <openvpp@barachs.net>2019-10-25 14:36:13 +0000
commitd7b306657d205fddd781e982aec5f3c3dc69fa88 (patch)
tree20f61a92fb05cfcc727bb4a95977a306a8d7a614 /src/plugins/mdata/mdata_test.c
parent94afc9391d0588608d67de717a927e9a50349d3a (diff)
mdata: buffer metadata change tracker plugin
A handy tool in case you need to know which metadata will be changed when a packet visits a certain node. Reflect metadata changes into format functions used by the vpp-specific wireshark dissector. Type: feature Signed-off-by: Dave Barach <dave@barachs.net> Change-Id: I96fe8a24db4082bb29fe2a33cc522e8616a3a1bb
Diffstat (limited to 'src/plugins/mdata/mdata_test.c')
-rw-r--r--src/plugins/mdata/mdata_test.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/plugins/mdata/mdata_test.c b/src/plugins/mdata/mdata_test.c
new file mode 100644
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+++ b/src/plugins/mdata/mdata_test.c
@@ -0,0 +1,80 @@
+/*
+ * mdata.c - buffer metadata change tracker vpp-api-test plug-in
+ *
+ * Copyright (c) 2019 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 <vat/vat.h>
+#include <vlibapi/api.h>
+#include <vlibmemory/api.h>
+#include <vppinfra/error.h>
+#include <stdbool.h>
+
+#define __plugin_msg_base mdata_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Declare message IDs */
+#include <mdata/mdata.api_enum.h>
+#include <mdata/mdata.api_types.h>
+
+typedef struct
+{
+ /* API message ID base */
+ u16 msg_id_base;
+ vat_main_t *vat_main;
+} mdata_test_main_t;
+
+mdata_test_main_t mdata_test_main;
+
+static int
+api_mdata_enable_disable (vat_main_t * vam)
+{
+ unformat_input_t *i = vam->input;
+ int enable_disable = 1;
+ vl_api_mdata_enable_disable_t *mp;
+ int ret;
+
+ /* Parse args required to build the message */
+ while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (i, "disable"))
+ enable_disable = 0;
+ else
+ break;
+ }
+
+ /* Construct the API message */
+ M (MDATA_ENABLE_DISABLE, mp);
+ mp->enable_disable = enable_disable;
+
+ /* send it... */
+ S (mp);
+
+ /* Wait for a reply... */
+ W (ret);
+ return ret;
+}
+
+/*
+ * List of messages that the mdata test plugin sends,
+ * and that the data plane plugin processes
+ */
+#include <mdata/mdata.api_test.c>
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */