2 * Copyright (c) 2016 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:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
15 #include <vnet/classify/policer_classify.h>
16 #include <vnet/l2/l2_input.h>
18 policer_classify_main_t policer_classify_main;
21 vnet_policer_classify_feature_enable (vlib_main_t * vnm,
22 policer_classify_main_t * pcm,
24 policer_classify_table_id_t tid,
27 if (tid == POLICER_CLASSIFY_TABLE_L2)
29 l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_POLICER_CLAS,
34 vnet_feature_config_main_t *fcm;
37 if (tid == POLICER_CLASSIFY_TABLE_IP4)
39 vnet_feature_enable_disable ("ip4-unicast", "ip4-policer-classify",
40 sw_if_index, feature_enable, 0, 0);
41 arc = vnet_get_feature_arc_index ("ip4-unicast");
46 vnet_feature_enable_disable ("ip6-unicast", "ip6-policer-classify",
47 sw_if_index, feature_enable, 0, 0);
48 arc = vnet_get_feature_arc_index ("ip6-unicast");
51 fcm = vnet_get_feature_arc_config_main (arc);
52 pcm->vnet_config_main[tid] = &fcm->config_main;
57 vnet_set_policer_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
58 u32 ip4_table_index, u32 ip6_table_index,
59 u32 l2_table_index, u32 is_add)
61 policer_classify_main_t *pcm = &policer_classify_main;
62 vnet_classify_main_t *vcm = pcm->vnet_classify_main;
63 u32 pct[POLICER_CLASSIFY_N_TABLES] = { ip4_table_index, ip6_table_index,
68 /* Assume that we've validated sw_if_index in the API layer */
70 for (ti = 0; ti < POLICER_CLASSIFY_N_TABLES; ti++)
75 if (pool_is_free_index (vcm->tables, pct[ti]))
76 return VNET_API_ERROR_NO_SUCH_TABLE;
78 vec_validate_init_empty
79 (pcm->classify_table_index_by_sw_if_index[ti], sw_if_index, ~0);
81 /* Reject any DEL operation with wrong sw_if_index */
84 pcm->classify_table_index_by_sw_if_index[ti][sw_if_index]))
87 ("Non-existent intf_idx=%d with table_index=%d for delete",
88 sw_if_index, pct[ti]);
89 return VNET_API_ERROR_NO_SUCH_TABLE;
92 /* Return ok on ADD operaton if feature is already enabled */
94 pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] != ~0)
97 vnet_policer_classify_feature_enable (vm, pcm, sw_if_index, ti, is_add);
100 pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = pct[ti];
102 pcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = ~0;
109 static clib_error_t *
110 set_policer_classify_command_fn (vlib_main_t * vm,
111 unformat_input_t * input,
112 vlib_cli_command_t * cmd)
114 vnet_main_t *vnm = vnet_get_main ();
115 u32 sw_if_index = ~0;
116 u32 ip4_table_index = ~0;
117 u32 ip6_table_index = ~0;
118 u32 l2_table_index = ~0;
123 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
125 if (unformat (input, "interface %U", unformat_vnet_sw_interface,
128 else if (unformat (input, "ip4-table %d", &ip4_table_index))
130 else if (unformat (input, "ip6-table %d", &ip6_table_index))
132 else if (unformat (input, "l2-table %d", &l2_table_index))
134 else if (unformat (input, "del"))
140 if (sw_if_index == ~0)
141 return clib_error_return (0, "Interface must be specified.");
144 return clib_error_return (0, "Table index should be specified.");
147 return clib_error_return (0, "Only one table index per API is allowed.");
149 rv = vnet_set_policer_classify_intfc (vm, sw_if_index, ip4_table_index,
150 ip6_table_index, l2_table_index,
158 case VNET_API_ERROR_NO_MATCHING_INTERFACE:
159 return clib_error_return (0, "No such interface");
161 case VNET_API_ERROR_NO_SUCH_ENTRY:
162 return clib_error_return (0, "No such classifier table");
168 VLIB_CLI_COMMAND (set_policer_classify_command, static) = {
169 .path = "set policer classify",
171 "set policer classify interface <int> [ip4-table <index>]\n"
172 " [ip6-table <index>] [l2-table <index>] [del]",
173 .function = set_policer_classify_command_fn,
178 unformat_table_type (unformat_input_t * input, va_list * va)
180 u32 *r = va_arg (*va, u32 *);
183 if (unformat (input, "ip4"))
184 tid = POLICER_CLASSIFY_TABLE_IP4;
185 else if (unformat (input, "ip6"))
186 tid = POLICER_CLASSIFY_TABLE_IP6;
187 else if (unformat (input, "l2"))
188 tid = POLICER_CLASSIFY_TABLE_L2;
196 static clib_error_t *
197 show_policer_classify_command_fn (vlib_main_t * vm,
198 unformat_input_t * input,
199 vlib_cli_command_t * cmd)
201 policer_classify_main_t *pcm = &policer_classify_main;
202 u32 type = POLICER_CLASSIFY_N_TABLES;
206 if (unformat (input, "type %U", unformat_table_type, &type))
209 return clib_error_return (0, "Type must be specified.");;
211 if (type == POLICER_CLASSIFY_N_TABLES)
212 return clib_error_return (0, "Invalid table type.");
214 vec_tbl = pcm->classify_table_index_by_sw_if_index[type];
216 if (vec_len (vec_tbl))
217 vlib_cli_output (vm, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
220 vlib_cli_output (vm, "No tables configured.");
222 for (i = 0; i < vec_len (vec_tbl); i++)
224 if (vec_elt (vec_tbl, i) == ~0)
227 vlib_cli_output (vm, "%10d%20d\t\t%U", i, vec_elt (vec_tbl, i),
228 format_vnet_sw_if_index_name, pcm->vnet_main, i);
235 VLIB_CLI_COMMAND (show_policer_classify_command, static) = {
236 .path = "show classify policer",
237 .short_help = "show classify policer type [ip4|ip6|l2]",
238 .function = show_policer_classify_command_fn,
243 * fd.io coding-style-patch-verification: ON
246 * eval: (c-set-style "gnu")