P2P Ethernet - API

API for P2P Ethernet feature

Change-Id: Id0280f42b9ce2428262e79c4dc309595037cd10e
Signed-off-by: Pavel Kotucek <pkotucek@cisco.com>

1 files changed, 102 insertions, 0 deletions

diff --git a/src/vnet/ethernet/p2p_ethernet.c b/src/vnet/ethernet/p2p_ethernet.c
new file mode 100644
index 00000000000..3c077318b7b
--- /dev/null
+++ b/src/vnet/ethernet/p2p_ethernet.c
@@ -0,0 +1,102 @@
+/*
+ * p2p_ethernet.c: p2p ethernet
+ *
+ * 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 <vppinfra/bihash_16_8.h>
+#include <vnet/vnet.h>
+#include <vnet/ethernet/p2p_ethernet.h>
+
+int
+p2p_ethernet_add_del (vlib_main_t * vm, u32 parent_if_index,
+		      u8 * client_mac, int is_add)
+{
+  return 0;
+}
+
+static clib_error_t *
+vnet_p2p_ethernet_add_del (vlib_main_t * vm, unformat_input_t * input,
+			   vlib_cli_command_t * cmd)
+{
+  vnet_main_t *vnm = vnet_get_main ();
+
+  int is_add = 1;
+  int remote_mac = 0;
+  u32 hw_if_index = ~0;
+  u8 client_mac[6];
+
+  while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+    {
+      if (unformat
+	  (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
+	;
+      else if (unformat (input, "%U", unformat_ethernet_address, &client_mac))
+	remote_mac = 1;
+      else if (unformat (input, "del"))
+	is_add = 0;
+      else
+	break;
+    }
+
+  if (hw_if_index == ~0)
+    return clib_error_return (0, "Please specify parent interface ...");
+  if (!remote_mac)
+    return clib_error_return (0, "Please specify client MAC address ...");
+
+  u32 rv;
+  rv = p2p_ethernet_add_del (vm, hw_if_index, client_mac, is_add);
+  switch (rv)
+    {
+    case VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED:
+      return clib_error_return (0,
+				"not allowed as parent interface belongs to a BondEthernet interface");
+    case -1:
+      return clib_error_return (0,
+				"p2p ethernet for given parent interface and client mac already exists");
+    case -2:
+      return clib_error_return (0,
+				"couldn't create p2p ethernet subinterface");
+    case -3:
+      return clib_error_return (0,
+				"p2p ethernet for given parent interface and client mac doesn't exist");
+    default:
+      break;
+    }
+  return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (p2p_ethernet_add_del_command, static) =
+{
+  .path = "p2p_ethernet ",
+  .function = vnet_p2p_ethernet_add_del,
+  .short_help = "p2p_ethernet <intfc> <mac-address> [del]",};
+/* *INDENT-ON* */
+
+static clib_error_t *
+p2p_ethernet_init (vlib_main_t * vm)
+{
+  return 0;
+}
+
+VLIB_INIT_FUNCTION (p2p_ethernet_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */