gre: Multi-point interfaces

Type: feature

Change-Id: I0129ad6ace44a50a8a3b26db8e445cd06b2b49e8
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 194 insertions, 0 deletions

diff --git a/src/vnet/nhrp/nhrp_cli.c b/src/vnet/nhrp/nhrp_cli.c
new file mode 100644
index 00000000000..654c750197e
--- /dev/null
+++ b/src/vnet/nhrp/nhrp_cli.c
@@ -0,0 +1,194 @@
+/*
+ * 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 <vnet/nhrp/nhrp.h>
+
+static clib_error_t *
+nhrp_add (vlib_main_t * vm,
+	  unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  ip46_address_t peer = ip46_address_initializer;
+  ip46_address_t nh = ip46_address_initializer;
+  u32 sw_if_index, nh_table_id;
+  clib_error_t *error = NULL;
+  int rv;
+
+  sw_if_index = ~0;
+  nh_table_id = 0;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "%U", unformat_vnet_sw_interface,
+		    vnet_get_main (), &sw_if_index))
+	;
+      else if (unformat (line_input, "peer %U", unformat_ip46_address, &peer))
+	;
+      else if (unformat (line_input, "nh %U", unformat_ip46_address, &nh))
+	;
+      else if (unformat (line_input, "nh-table-id %d", &nh_table_id))
+	;
+      else
+	{
+	  error = clib_error_return (0, "unknown input `%U'",
+				     format_unformat_error, line_input);
+	  goto done;
+	}
+    }
+
+  if (~0 == sw_if_index)
+    {
+      error = clib_error_return (0, "interface required'",
+				 format_unformat_error, line_input);
+      goto done;
+    }
+  if (ip46_address_is_zero (&peer))
+    {
+      error = clib_error_return (0, "peer required'",
+				 format_unformat_error, line_input);
+      goto done;
+    }
+  if (ip46_address_is_zero (&nh))
+    {
+      error = clib_error_return (0, "next-hop required'",
+				 format_unformat_error, line_input);
+      goto done;
+    }
+
+  rv = nhrp_entry_add (sw_if_index, &peer, nh_table_id, &nh);
+
+  if (rv)
+    {
+      error = clib_error_return_code (NULL, rv, 0,
+				      "NRHP error",
+				      format_unformat_error, line_input);
+    }
+
+done:
+  unformat_free (line_input);
+
+  return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (nhrp_create_command, static) = {
+  .path = "create nhrp",
+  .short_help = "create nhrp <interface> peer <addr> nh <addr> [nh-table-id <ID>]",
+  .function = nhrp_add,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+nhrp_del (vlib_main_t * vm,
+	  unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  ip46_address_t peer = ip46_address_initializer;
+  clib_error_t *error = NULL;
+  u32 sw_if_index;
+  int rv;
+
+  sw_if_index = ~0;
+
+  /* Get a line of input. */
+  if (!unformat_user (input, unformat_line_input, line_input))
+    return 0;
+
+  while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat (line_input, "%U", unformat_vnet_sw_interface,
+		    vnet_get_main (), &sw_if_index))
+	;
+      else if (unformat (line_input, "peer %U", unformat_ip46_address, &peer))
+	;
+      else
+	{
+	  error = clib_error_return (0, "unknown input `%U'",
+				     format_unformat_error, line_input);
+	  goto done;
+	}
+    }
+
+  if (~0 == sw_if_index)
+    {
+      error = clib_error_return (0, "interface required'",
+				 format_unformat_error, line_input);
+    }
+  if (ip46_address_is_zero (&peer))
+    {
+      error = clib_error_return (0, "peer required'",
+				 format_unformat_error, line_input);
+      goto done;
+    }
+
+  rv = nhrp_entry_del (sw_if_index, &peer);
+
+  if (rv)
+    {
+      error = clib_error_return_code (NULL, rv, 0,
+				      "NRHP error",
+				      format_unformat_error, line_input);
+    }
+
+done:
+  unformat_free (line_input);
+
+  return error;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (nhrp_delete_command, static) = {
+  .path = "delete nhrp",
+  .short_help = "delete nhrp <interface> peer <addr>",
+  .function = nhrp_del,
+};
+/* *INDENT-ON* */
+
+static walk_rc_t
+nhrp_show_one (index_t nei, void *ctx)
+{
+  vlib_cli_output (ctx, "%U", format_nhrp_entry, nei);
+
+  return (WALK_CONTINUE);
+}
+
+
+static clib_error_t *
+nhrp_show (vlib_main_t * vm,
+	   unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  nhrp_walk (nhrp_show_one, vm);
+  return (NULL);
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (nhrp_show_command, static) = {
+  .path = "show nhrp",
+  .short_help = "show nhrp",
+  .function = nhrp_show,
+};
+/* *INDENT-ON* */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */