sr: move srmpls to a plugin

Move sr_mpls folder under vnet to the plugin folder, update cmake configuration
and header paths, and add plugin.c to register plugin.

JIRA: VPP-2054

Type: improvement
Change-Id: I1ad6f287f67eb0c35588c339bcd51218fadf5f8e
Signed-off-by: Scott Hutton <schutton@cisco.com>

1 files changed, 174 insertions, 0 deletions

diff --git a/src/plugins/srmpls/sr_mpls_test.c b/src/plugins/srmpls/sr_mpls_test.c
new file mode 100644
index 00000000000..7aff4c32b06
--- /dev/null
+++ b/src/plugins/srmpls/sr_mpls_test.c
@@ -0,0 +1,174 @@
+/*
+ *------------------------------------------------------------------
+ * Copyright (c) 2021 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 <vpp/api/types.h>
+
+#define __plugin_msg_base sr_mpls_test_main.msg_id_base
+#include <vlibapi/vat_helper_macros.h>
+
+/* Declare message IDs */
+#include <vnet/format_fns.h>
+#include <plugins/srmpls/sr_mpls.api_enum.h>
+#include <plugins/srmpls/sr_mpls.api_types.h>
+
+#define vl_endianfun /* define message structures */
+#include <plugins/srmpls/sr_mpls.api.h>
+#undef vl_endianfun
+
+typedef struct
+{
+  /* API message ID base */
+  u16 msg_id_base;
+  u32 ping_id;
+  vat_main_t *vat_main;
+} sr_mpls_test_main_t;
+
+static sr_mpls_test_main_t sr_mpls_test_main;
+
+static int
+api_sr_mpls_policy_mod (vat_main_t *vam)
+{
+  return -1;
+}
+
+static int
+api_sr_mpls_steering_add_del (vat_main_t *vam)
+{
+  return -1;
+}
+
+static int
+api_sr_mpls_policy_assign_endpoint_color (vat_main_t *vam)
+{
+  return -1;
+}
+
+static int
+api_sr_mpls_policy_add (vat_main_t *vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_sr_mpls_policy_add_t *mp;
+  u32 bsid = 0;
+  u32 weight = 1;
+  u8 type = 0;
+  u8 n_segments = 0;
+  u32 sid;
+  u32 *segments = NULL;
+  int ret;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "bsid %d", &bsid))
+	;
+      else if (unformat (i, "weight %d", &weight))
+	;
+      else if (unformat (i, "spray"))
+	type = 1;
+      else if (unformat (i, "next %d", &sid))
+	{
+	  n_segments += 1;
+	  vec_add1 (segments, htonl (sid));
+	}
+      else
+	{
+	  clib_warning ("parse error '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  if (bsid == 0)
+    {
+      errmsg ("bsid not set");
+      return -99;
+    }
+
+  if (n_segments == 0)
+    {
+      errmsg ("no sid in segment stack");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M2 (SR_MPLS_POLICY_ADD, mp, sizeof (u32) * n_segments);
+
+  mp->bsid = htonl (bsid);
+  mp->weight = htonl (weight);
+  mp->is_spray = type;
+  mp->n_segments = n_segments;
+  memcpy (mp->segments, segments, sizeof (u32) * n_segments);
+  vec_free (segments);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply... */
+  W (ret);
+  return ret;
+}
+
+static int
+api_sr_mpls_policy_del (vat_main_t *vam)
+{
+  unformat_input_t *i = vam->input;
+  vl_api_sr_mpls_policy_del_t *mp;
+  u32 bsid = 0;
+  int ret;
+
+  /* Parse args required to build the message */
+  while (unformat_check_input (i) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (i, "bsid %d", &bsid))
+	;
+      else
+	{
+	  clib_warning ("parse error '%U'", format_unformat_error, i);
+	  return -99;
+	}
+    }
+
+  if (bsid == 0)
+    {
+      errmsg ("bsid not set");
+      return -99;
+    }
+
+  /* Construct the API message */
+  M (SR_MPLS_POLICY_DEL, mp);
+
+  mp->bsid = htonl (bsid);
+
+  /* send it... */
+  S (mp);
+
+  /* Wait for a reply... */
+  W (ret);
+  return ret;
+}
+
+#include <plugins/srmpls/sr_mpls.api_test.c>
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */