misc: deprecate gbp and its dependents
[vpp.git] / extras / deprecated / plugins / gbp / gbp_ext_itf.c
diff --git a/extras/deprecated/plugins/gbp/gbp_ext_itf.c b/extras/deprecated/plugins/gbp/gbp_ext_itf.c
new file mode 100644 (file)
index 0000000..c550666
--- /dev/null
@@ -0,0 +1,293 @@
+/*
+ * Copyright (c) 2018 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 <plugins/gbp/gbp_ext_itf.h>
+#include <plugins/gbp/gbp_bridge_domain.h>
+#include <plugins/gbp/gbp_route_domain.h>
+#include <plugins/gbp/gbp_itf.h>
+
+/**
+ * Pool of GBP ext_itfs
+ */
+gbp_ext_itf_t *gbp_ext_itf_pool;
+
+/**
+ * external interface configs keyed by sw_if_index
+ */
+index_t *gbp_ext_itf_db;
+
+#define GBP_EXT_ITF_ID 0x00000080
+
+/**
+ * logger
+ */
+vlib_log_class_t gx_logger;
+
+#define GBP_EXT_ITF_DBG(...)                           \
+    vlib_log_debug (gx_logger, __VA_ARGS__);
+
+u8 *
+format_gbp_ext_itf (u8 * s, va_list * args)
+{
+  gbp_ext_itf_t *gx = va_arg (*args, gbp_ext_itf_t *);
+
+  return (format (s, "%U%s in %U",
+                 format_gbp_itf_hdl, gx->gx_itf,
+                 (gx->gx_flags & GBP_EXT_ITF_F_ANON) ? " [anon]" : "",
+                 format_gbp_bridge_domain, gx->gx_bd));
+}
+
+int
+gbp_ext_itf_add (u32 sw_if_index, u32 bd_id, u32 rd_id, u32 flags)
+{
+  gbp_ext_itf_t *gx;
+  index_t gxi;
+
+  vec_validate_init_empty (gbp_ext_itf_db, sw_if_index, INDEX_INVALID);
+
+  gxi = gbp_ext_itf_db[sw_if_index];
+
+  if (INDEX_INVALID == gxi)
+    {
+      gbp_route_domain_t *gr;
+      fib_protocol_t fproto;
+      index_t gbi, gri;
+
+      gbi = gbp_bridge_domain_find_and_lock (bd_id);
+
+      if (INDEX_INVALID == gbi)
+       return (VNET_API_ERROR_NO_SUCH_ENTRY);
+
+      gri = gbp_route_domain_find_and_lock (rd_id);
+
+      if (INDEX_INVALID == gri)
+       {
+         gbp_bridge_domain_unlock (gbi);
+         return (VNET_API_ERROR_NO_SUCH_ENTRY);
+       }
+
+      pool_get_zero (gbp_ext_itf_pool, gx);
+      gxi = gx - gbp_ext_itf_pool;
+
+      gr = gbp_route_domain_get (gri);
+
+      gx->gx_bd = gbi;
+      gx->gx_rd = gri;
+      gbp_itf_hdl_reset (&gx->gx_itf);
+
+      FOR_EACH_FIB_IP_PROTOCOL (fproto)
+      {
+       gx->gx_fib_index[fproto] =
+         gr->grd_fib_index[fib_proto_to_dpo (fproto)];
+      }
+
+      if (flags & GBP_EXT_ITF_F_ANON)
+       {
+         /* add interface to the BD */
+         gx->gx_itf = gbp_itf_l2_add_and_lock (sw_if_index, gbi);
+
+         /* setup GBP L2 features on this interface */
+         gbp_itf_l2_set_input_feature (gx->gx_itf,
+                                       L2INPUT_FEAT_GBP_LPM_ANON_CLASSIFY |
+                                       L2INPUT_FEAT_LEARN);
+         gbp_itf_l2_set_output_feature (gx->gx_itf,
+                                        L2OUTPUT_FEAT_GBP_POLICY_LPM);
+       }
+
+      gx->gx_flags = flags;
+
+      gbp_ext_itf_db[sw_if_index] = gxi;
+
+      GBP_EXT_ITF_DBG ("add: %U", format_gbp_ext_itf, gx);
+
+      return (0);
+    }
+
+  return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS);
+}
+
+int
+gbp_ext_itf_delete (u32 sw_if_index)
+{
+  gbp_ext_itf_t *gx;
+  index_t gxi;
+
+  if (vec_len (gbp_ext_itf_db) <= sw_if_index)
+    return (VNET_API_ERROR_INVALID_SW_IF_INDEX);
+
+  gxi = gbp_ext_itf_db[sw_if_index];
+
+  if (INDEX_INVALID != gxi)
+    {
+      gx = pool_elt_at_index (gbp_ext_itf_pool, gxi);
+
+      GBP_EXT_ITF_DBG ("del: %U", format_gbp_ext_itf, gx);
+
+      gbp_itf_unlock (&gx->gx_itf);
+      gbp_route_domain_unlock (gx->gx_rd);
+      gbp_bridge_domain_unlock (gx->gx_bd);
+
+      gbp_ext_itf_db[sw_if_index] = INDEX_INVALID;
+      pool_put (gbp_ext_itf_pool, gx);
+
+      return (0);
+    }
+  return (VNET_API_ERROR_NO_SUCH_ENTRY);
+}
+
+static clib_error_t *
+gbp_ext_itf_add_del_cli (vlib_main_t * vm,
+                        unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  unformat_input_t _line_input, *line_input = &_line_input;
+  u32 sw_if_index = ~0, bd_id = ~0, rd_id = ~0, flags = 0;
+  int add = 1;
+  int rv;
+
+  /* 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, "del"))
+       add = 0;
+      else
+       if (unformat
+           (line_input, "%U", unformat_vnet_sw_interface, vnet_get_main (),
+            &sw_if_index))
+       ;
+      else if (unformat (line_input, "bd %d", &bd_id))
+       ;
+      else if (unformat (line_input, "rd %d", &rd_id))
+       ;
+      else if (unformat (line_input, "anon-l3-out"))
+       flags |= GBP_EXT_ITF_F_ANON;
+      else
+       return clib_error_return (0, "unknown input `%U'",
+                                 format_unformat_error, line_input);
+    }
+  unformat_free (line_input);
+
+  if (~0 == sw_if_index)
+    return clib_error_return (0, "interface must be specified");
+
+  if (add)
+    {
+      if (~0 == bd_id)
+       return clib_error_return (0, "BD-ID must be specified");
+      if (~0 == rd_id)
+       return clib_error_return (0, "RD-ID must be specified");
+      rv = gbp_ext_itf_add (sw_if_index, bd_id, rd_id, flags);
+    }
+  else
+    rv = gbp_ext_itf_delete (sw_if_index);
+
+  switch (rv)
+    {
+    case 0:
+      return 0;
+    case VNET_API_ERROR_ENTRY_ALREADY_EXISTS:
+      return clib_error_return (0, "interface already exists");
+    case VNET_API_ERROR_NO_SUCH_ENTRY: /* fallthrough */
+    case VNET_API_ERROR_INVALID_SW_IF_INDEX:
+      return clib_error_return (0, "unknown interface");
+    default:
+      return clib_error_return (0, "error %d", rv);
+    }
+
+  /* never reached */
+  return 0;
+}
+
+/*?
+ * Add Group Based Interface as anonymous L3out interface
+ *
+ * @cliexpar
+ * @cliexstart{gbp interface [del] anon-l3out <interface> bd <ID>}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_itf_anon_l3out_add_del_node, static) = {
+  .path = "gbp ext-itf",
+  .short_help = "gbp ext-itf [del] <interface> bd <ID> rd <ID> [anon-l3-out]\n",
+  .function = gbp_ext_itf_add_del_cli,
+};
+/* *INDENT-ON* */
+
+void
+gbp_ext_itf_walk (gbp_ext_itf_cb_t cb, void *ctx)
+{
+  gbp_ext_itf_t *ge;
+
+  /* *INDENT-OFF* */
+  pool_foreach (ge, gbp_ext_itf_pool)
+  {
+    if (!cb(ge, ctx))
+      break;
+  }
+  /* *INDENT-ON* */
+}
+
+static walk_rc_t
+gbp_ext_itf_show_one (gbp_ext_itf_t * gx, void *ctx)
+{
+  vlib_cli_output (ctx, "  %U", format_gbp_ext_itf, gx);
+
+  return (WALK_CONTINUE);
+}
+
+static clib_error_t *
+gbp_ext_itf_show (vlib_main_t * vm,
+                 unformat_input_t * input, vlib_cli_command_t * cmd)
+{
+  vlib_cli_output (vm, "External-Interfaces:");
+  gbp_ext_itf_walk (gbp_ext_itf_show_one, vm);
+
+  return (NULL);
+}
+
+/*?
+ * Show Group Based Policy external interface and derived information
+ *
+ * @cliexpar
+ * @cliexstart{show gbp ext-itf}
+ * @cliexend
+ ?*/
+/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (gbp_ext_itf_show_node, static) = {
+  .path = "show gbp ext-itf",
+  .short_help = "show gbp ext-itf\n",
+  .function = gbp_ext_itf_show,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+gbp_ext_itf_init (vlib_main_t * vm)
+{
+  gx_logger = vlib_log_register_class ("gbp", "ext-itf");
+
+  return (NULL);
+}
+
+VLIB_INIT_FUNCTION (gbp_ext_itf_init);
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */