lldp: Move to plugin

Type: refactor

Change-Id: Ifd770ff4850e63474bf4682ad463021b03786b4b
Signed-off-by: Neale Ranns <nranns@cisco.com>

1 files changed, 159 insertions, 0 deletions

diff --git a/src/plugins/lldp/lldp_api.c b/src/plugins/lldp/lldp_api.c
new file mode 100644
index 00000000000..69eab6949c4
--- /dev/null
+++ b/src/plugins/lldp/lldp_api.c
@@ -0,0 +1,159 @@
+/*
+ *------------------------------------------------------------------
+ * lldp_api.c - lldp api
+ *
+ * Copyright (c) 2017 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/vnet.h>
+#include <vlibmemory/api.h>
+
+#include <vnet/interface.h>
+#include <vnet/api_errno.h>
+#include <lldp/lldp.h>
+
+#include <vnet/ip/ip4_packet.h>
+#include <vnet/ip/ip6_packet.h>
+#include <vnet/ip/ip_types_api.h>
+
+/* define message IDs */
+#include <vnet/format_fns.h>
+#include <lldp/lldp.api_enum.h>
+#include <lldp/lldp.api_types.h>
+
+/**
+ * Base message ID fot the plugin
+ */
+static u32 lldp_base_msg_id;
+#define REPLY_MSG_ID_BASE lldp_base_msg_id
+
+#include <vlibapi/api_helper_macros.h>
+
+static void
+vl_api_lldp_config_t_handler (vl_api_lldp_config_t * mp)
+{
+  vl_api_lldp_config_reply_t *rmp;
+  int rv = 0;
+  u8 *sys_name = 0;
+
+  sys_name = vl_api_from_api_to_new_vec (mp, &mp->system_name);
+
+  if (lldp_cfg_set (&sys_name, ntohl (mp->tx_hold), ntohl (mp->tx_interval))
+      != lldp_ok)
+    {
+      vec_free (sys_name);
+      rv = VNET_API_ERROR_INVALID_VALUE;
+    }
+
+  REPLY_MACRO (VL_API_LLDP_CONFIG_REPLY);
+}
+
+static void
+vl_api_sw_interface_set_lldp_t_handler (vl_api_sw_interface_set_lldp_t * mp)
+{
+  vl_api_sw_interface_set_lldp_reply_t *rmp;
+  int rv = 0;
+  u8 *mgmt_oid = 0, *mgmt_ip4 = 0, *mgmt_ip6 = 0;
+  char *port_desc = 0;
+  u8 no_data[128] = { 0 };
+  ip4_address_t ip4;
+  ip6_address_t ip6;
+
+  if (vl_api_string_len (&mp->port_desc) > 0)
+    {
+      port_desc = vl_api_from_api_to_new_c_string (&mp->port_desc);
+    }
+
+  ip4_address_decode (mp->mgmt_ip4, &ip4);
+
+  if (ip4.as_u32 != 0)
+    {
+      vec_validate (mgmt_ip4, sizeof (ip4_address_t) - 1);
+      clib_memcpy (mgmt_ip4, &ip4, vec_len (mgmt_ip4));
+    }
+
+  ip6_address_decode (mp->mgmt_ip6, &ip6);
+
+  if (!ip6_address_is_zero (&ip6))
+    {
+      vec_validate (mgmt_ip6, sizeof (ip6_address_t) - 1);
+      clib_memcpy (mgmt_ip6, &ip6, vec_len (mgmt_ip6));
+    }
+
+  if (memcmp (mp->mgmt_oid, no_data, strlen ((char *) mp->mgmt_oid)) != 0)
+    {
+      vec_validate (mgmt_oid, strlen ((char *) mp->mgmt_oid) - 1);
+      strncpy ((char *) mgmt_oid, (char *) mp->mgmt_oid, vec_len (mgmt_oid));
+    }
+
+  VALIDATE_SW_IF_INDEX (mp);
+
+  if (lldp_cfg_intf_set (ntohl (mp->sw_if_index), (u8 **) & port_desc,
+			 &mgmt_ip4, &mgmt_ip6, &mgmt_oid,
+			 mp->enable) != lldp_ok)
+    {
+      vec_free (port_desc);
+      vec_free (mgmt_ip4);
+      vec_free (mgmt_ip6);
+      vec_free (mgmt_oid);
+      rv = VNET_API_ERROR_INVALID_VALUE;
+    }
+
+  BAD_SW_IF_INDEX_LABEL;
+
+  REPLY_MACRO (VL_API_SW_INTERFACE_SET_LLDP_REPLY);
+}
+
+
+/*
+ *  * lldp_api_hookup
+ *   * Add vpe's API message handlers to the table.
+ *    * vlib has already mapped shared memory and
+ *     * added the client registration handlers.
+ *      * See .../vlib-api/vlibmemory/memclnt_vlib.c:memclnt_process()
+ *       */
+#include <lldp/lldp.api.c>
+
+static clib_error_t *
+lldp_api_hookup (vlib_main_t * vm)
+{
+  /*
+   * Set up the (msg_name, crc, message-id) table
+   */
+  lldp_base_msg_id = setup_message_id_table ();
+
+  return 0;
+}
+
+VLIB_API_INIT_FUNCTION (lldp_api_hookup);
+
+#include <vlib/unix/plugin.h>
+#include <vpp/app/version.h>
+
+/* *INDENT-OFF* */
+VLIB_PLUGIN_REGISTER () = {
+    .version = VPP_BUILD_VER,
+    .description = "Link Layer Discovery Protocol (LLDP)",
+};
+/* *INDENT-ON* */
+
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */