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.
16 #include <vnet/feature/feature.h>
17 #include <vnet/classify/flow_classify.h>
19 flow_classify_main_t flow_classify_main;
22 vnet_flow_classify_feature_enable (vlib_main_t * vnm,
23 flow_classify_main_t * fcm,
25 flow_classify_table_id_t tid,
28 vnet_feature_config_main_t *vfcm;
31 if (tid == FLOW_CLASSIFY_TABLE_IP4)
33 vnet_feature_enable_disable ("ip4-unicast", "ip4-flow-classify",
34 sw_if_index, feature_enable, 0, 0);
35 arc = vnet_get_feature_arc_index ("ip4-unicast");
39 vnet_feature_enable_disable ("ip6-unicast", "ip6-flow-classify",
40 sw_if_index, feature_enable, 0, 0);
41 arc = vnet_get_feature_arc_index ("ip6-unicast");
44 vfcm = vnet_get_feature_arc_config_main (arc);
45 fcm->vnet_config_main[tid] = &vfcm->config_main;
49 vnet_set_flow_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
50 u32 ip4_table_index, u32 ip6_table_index,
53 flow_classify_main_t *fcm = &flow_classify_main;
54 vnet_classify_main_t *vcm = fcm->vnet_classify_main;
55 u32 pct[FLOW_CLASSIFY_N_TABLES] = { ip4_table_index, ip6_table_index };
58 /* Assume that we've validated sw_if_index in the API layer */
60 for (ti = 0; ti < FLOW_CLASSIFY_N_TABLES; ti++)
65 if (pool_is_free_index (vcm->tables, pct[ti]))
66 return VNET_API_ERROR_NO_SUCH_TABLE;
68 vec_validate_init_empty
69 (fcm->classify_table_index_by_sw_if_index[ti], sw_if_index, ~0);
71 /* Reject any DEL operation with wrong sw_if_index */
74 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index]))
77 ("Non-existent intf_idx=%d with table_index=%d for delete",
78 sw_if_index, pct[ti]);
79 return VNET_API_ERROR_NO_SUCH_TABLE;
82 /* Return ok on ADD operaton if feature is already enabled */
84 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] != ~0)
87 vnet_flow_classify_feature_enable (vm, fcm, sw_if_index, ti, is_add);
90 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = pct[ti];
92 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = ~0;
100 set_flow_classify_command_fn (vlib_main_t * vm,
101 unformat_input_t * input,
102 vlib_cli_command_t * cmd)
104 vnet_main_t *vnm = vnet_get_main ();
105 u32 sw_if_index = ~0;
106 u32 ip4_table_index = ~0;
107 u32 ip6_table_index = ~0;
112 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
114 if (unformat (input, "interface %U", unformat_vnet_sw_interface,
117 else if (unformat (input, "ip4-table %d", &ip4_table_index))
119 else if (unformat (input, "ip6-table %d", &ip6_table_index))
121 else if (unformat (input, "del"))
127 if (sw_if_index == ~0)
128 return clib_error_return (0, "Interface must be specified.");
131 return clib_error_return (0, "Table index should be specified.");
134 return clib_error_return (0, "Only one table index per API is allowed.");
136 rv = vnet_set_flow_classify_intfc (vm, sw_if_index, ip4_table_index,
137 ip6_table_index, is_add);
144 case VNET_API_ERROR_NO_MATCHING_INTERFACE:
145 return clib_error_return (0, "No such interface");
147 case VNET_API_ERROR_NO_SUCH_ENTRY:
148 return clib_error_return (0, "No such classifier table");
154 VLIB_CLI_COMMAND (set_input_acl_command, static) = {
155 .path = "set flow classify",
157 "set flow classify interface <int> [ip4-table <index>]\n"
158 " [ip6-table <index>] [del]",
159 .function = set_flow_classify_command_fn,
164 unformat_table_type (unformat_input_t * input, va_list * va)
166 u32 *r = va_arg (*va, u32 *);
169 if (unformat (input, "ip4"))
170 tid = FLOW_CLASSIFY_TABLE_IP4;
171 else if (unformat (input, "ip6"))
172 tid = FLOW_CLASSIFY_TABLE_IP6;
180 static clib_error_t *
181 show_flow_classify_command_fn (vlib_main_t * vm,
182 unformat_input_t * input,
183 vlib_cli_command_t * cmd)
185 flow_classify_main_t *fcm = &flow_classify_main;
186 u32 type = FLOW_CLASSIFY_N_TABLES;
190 if (unformat (input, "type %U", unformat_table_type, &type))
193 return clib_error_return (0, "Type must be specified.");;
195 if (type == FLOW_CLASSIFY_N_TABLES)
196 return clib_error_return (0, "Invalid table type.");
198 vec_tbl = fcm->classify_table_index_by_sw_if_index[type];
200 if (vec_len (vec_tbl))
201 vlib_cli_output (vm, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
204 vlib_cli_output (vm, "No tables configured.");
206 for (i = 0; i < vec_len (vec_tbl); i++)
208 if (vec_elt (vec_tbl, i) == ~0)
211 vlib_cli_output (vm, "%10d%20d\t\t%U", i, vec_elt (vec_tbl, i),
212 format_vnet_sw_if_index_name, fcm->vnet_main, i);
219 VLIB_CLI_COMMAND (show_flow_classify_command, static) = {
220 .path = "show classify flow",
221 .short_help = "show classify flow type [ip4|ip6]",
222 .function = show_flow_classify_command_fn,
227 * fd.io coding-style-patch-verification: ON
230 * eval: (c-set-style "gnu")