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/flow_classify.h>
17 flow_classify_main_t flow_classify_main;
20 vnet_flow_classify_feature_enable (vlib_main_t * vnm,
21 flow_classify_main_t * fcm,
23 flow_classify_table_id_t tid,
26 vnet_feature_config_main_t *vfcm;
29 if (tid == FLOW_CLASSIFY_TABLE_IP4)
31 vnet_feature_enable_disable ("ip4-unicast", "ip4-flow-classify",
32 sw_if_index, feature_enable, 0, 0);
33 arc = vnet_get_feature_arc_index ("ip4-unicast");
37 vnet_feature_enable_disable ("ip6-unicast", "ip6-flow-classify",
38 sw_if_index, feature_enable, 0, 0);
39 arc = vnet_get_feature_arc_index ("ip6-unicast");
42 vfcm = vnet_get_feature_arc_config_main (arc);
43 fcm->vnet_config_main[tid] = &vfcm->config_main;
46 int vnet_set_flow_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
47 u32 ip4_table_index, u32 ip6_table_index,
50 flow_classify_main_t * fcm = &flow_classify_main;
51 vnet_classify_main_t * vcm = fcm->vnet_classify_main;
52 u32 pct[FLOW_CLASSIFY_N_TABLES] = {ip4_table_index, ip6_table_index};
55 /* Assume that we've validated sw_if_index in the API layer */
57 for (ti = 0; ti < FLOW_CLASSIFY_N_TABLES; ti++)
62 if (pool_is_free_index (vcm->tables, pct[ti]))
63 return VNET_API_ERROR_NO_SUCH_TABLE;
65 vec_validate_init_empty
66 (fcm->classify_table_index_by_sw_if_index[ti], sw_if_index, ~0);
68 /* Reject any DEL operation with wrong sw_if_index */
70 (pct[ti] != fcm->classify_table_index_by_sw_if_index[ti][sw_if_index]))
72 clib_warning ("Non-existent intf_idx=%d with table_index=%d for delete",
73 sw_if_index, pct[ti]);
74 return VNET_API_ERROR_NO_SUCH_TABLE;
77 /* Return ok on ADD operaton if feature is already enabled */
79 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] != ~0)
82 vnet_flow_classify_feature_enable (vm, fcm, sw_if_index, ti, is_add);
85 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = pct[ti];
87 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = ~0;
95 set_flow_classify_command_fn (vlib_main_t * vm,
96 unformat_input_t * input,
97 vlib_cli_command_t * cmd)
99 vnet_main_t * vnm = vnet_get_main();
100 u32 sw_if_index = ~0;
101 u32 ip4_table_index = ~0;
102 u32 ip6_table_index = ~0;
107 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
109 if (unformat (input, "interface %U", unformat_vnet_sw_interface,
112 else if (unformat (input, "ip4-table %d", &ip4_table_index))
114 else if (unformat (input, "ip6-table %d", &ip6_table_index))
116 else if (unformat (input, "del"))
122 if (sw_if_index == ~0)
123 return clib_error_return (0, "Interface must be specified.");
126 return clib_error_return (0, "Table index should be specified.");
129 return clib_error_return (0, "Only one table index per API is allowed.");
131 rv = vnet_set_flow_classify_intfc(vm, sw_if_index, ip4_table_index,
132 ip6_table_index, is_add);
139 case VNET_API_ERROR_NO_MATCHING_INTERFACE:
140 return clib_error_return (0, "No such interface");
142 case VNET_API_ERROR_NO_SUCH_ENTRY:
143 return clib_error_return (0, "No such classifier table");
148 VLIB_CLI_COMMAND (set_input_acl_command, static) = {
149 .path = "set flow classify",
151 "set flow classify interface <int> [ip4-table <index>]\n"
152 " [ip6-table <index>] [del]",
153 .function = set_flow_classify_command_fn,
157 unformat_table_type (unformat_input_t * input, va_list * va)
159 u32 * r = va_arg (*va, u32 *);
162 if (unformat (input, "ip4"))
163 tid = FLOW_CLASSIFY_TABLE_IP4;
164 else if (unformat (input, "ip6"))
165 tid = FLOW_CLASSIFY_TABLE_IP6;
172 static clib_error_t *
173 show_flow_classify_command_fn (vlib_main_t * vm,
174 unformat_input_t * input,
175 vlib_cli_command_t * cmd)
177 flow_classify_main_t * fcm = &flow_classify_main;
178 u32 type = FLOW_CLASSIFY_N_TABLES;
182 if (unformat (input, "type %U", unformat_table_type, &type))
185 return clib_error_return (0, "Type must be specified.");;
187 if (type == FLOW_CLASSIFY_N_TABLES)
188 return clib_error_return (0, "Invalid table type.");
190 vec_tbl = fcm->classify_table_index_by_sw_if_index[type];
192 if (vec_len(vec_tbl))
193 vlib_cli_output (vm, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
196 vlib_cli_output (vm, "No tables configured.");
198 for (i = 0; i < vec_len (vec_tbl); i++)
200 if (vec_elt(vec_tbl, i) == ~0)
203 vlib_cli_output (vm, "%10d%20d\t\t%U", i, vec_elt(vec_tbl, i),
204 format_vnet_sw_if_index_name, fcm->vnet_main, i);
210 VLIB_CLI_COMMAND (show_flow_classify_command, static) = {
211 .path = "show classify flow",
212 .short_help = "show classify flow type [ip4|ip6]",
213 .function = show_flow_classify_command_fn,