src/plugins/gbp/gbp_sclass.c

   1 /*
   2  * Copyright (c) 2018 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #include <plugins/gbp/gbp_sclass.h>
  17 #include <vnet/l2/l2_input.h>
  18 #include <vnet/l2/l2_output.h>
  19
  20 gbp_sclass_main_t gbp_sclass_main;
  21
  22 void
  23 gbp_sclass_enable_l2 (u32 sw_if_index)
  24 {
  25   l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_SCLASS_2_ID, 1);
  26   l2output_intf_bitmap_enable (sw_if_index, L2OUTPUT_FEAT_GBP_ID_2_SCLASS, 1);
  27 }
  28
  29 void
  30 gbp_sclass_disable_l2 (u32 sw_if_index)
  31 {
  32   l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_GBP_SCLASS_2_ID, 0);
  33   l2output_intf_bitmap_enable (sw_if_index, L2OUTPUT_FEAT_GBP_ID_2_SCLASS, 0);
  34 }
  35
  36 void
  37 gbp_sclass_enable_ip (u32 sw_if_index)
  38 {
  39   vnet_feature_enable_disable ("ip4-unicast",
  40                                "ip4-gbp-sclass-2-id", sw_if_index, 1, 0, 0);
  41   vnet_feature_enable_disable ("ip6-unicast",
  42                                "ip6-gbp-sclass-2-id", sw_if_index, 1, 0, 0);
  43   vnet_feature_enable_disable ("ip4-output",
  44                                "ip4-gbp-id-2-sclass", sw_if_index, 1, 0, 0);
  45   vnet_feature_enable_disable ("ip6-output",
  46                                "ip6-gbp-id-2-sclass", sw_if_index, 1, 0, 0);
  47 }
  48
  49 void
  50 gbp_sclass_disable_ip (u32 sw_if_index)
  51 {
  52   vnet_feature_enable_disable ("ip4-unicast",
  53                                "ip4-gbp-sclass-2-id", sw_if_index, 0, 0, 0);
  54   vnet_feature_enable_disable ("ip6-unicast",
  55                                "ip6-gbp-sclass-2-id", sw_if_index, 0, 0, 0);
  56   vnet_feature_enable_disable ("ip4-output",
  57                                "ip4-gbp-id-2-sclass", sw_if_index, 0, 0, 0);
  58   vnet_feature_enable_disable ("ip6-output",
  59                                "ip6-gbp-id-2-sclass", sw_if_index, 0, 0, 0);
  60 }
  61
  62 static clib_error_t *
  63 gbp_sclass_init (vlib_main_t * vm)
  64 {
  65   gbp_sclass_main_t *glm = &gbp_sclass_main;
  66   vlib_node_t *node = vlib_get_node_by_name (vm, (u8 *) "l2-gbp-sclass-2-id");
  67
  68   /* Initialize the feature next-node indices */
  69   feat_bitmap_init_next_nodes (vm,
  70                                node->index,
  71                                L2INPUT_N_FEAT,
  72                                l2input_get_feat_names (),
  73                                glm->gel_l2_input_feat_next);
  74
  75   node = vlib_get_node_by_name (vm, (u8 *) "l2-gbp-id-2-sclass");
  76   feat_bitmap_init_next_nodes (vm,
  77                                node->index,
  78                                L2OUTPUT_N_FEAT,
  79                                l2output_get_feat_names (),
  80                                glm->gel_l2_output_feat_next);
  81
  82   return (NULL);
  83 }
  84
  85 VLIB_INIT_FUNCTION (gbp_sclass_init);
  86
  87
  88 /*
  89  * fd.io coding-style-patch-verification: ON
  90  *
  91  * Local Variables:
  92  * eval: (c-set-style "gnu")
  93  * End:
  94  */