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;
47 vnet_set_flow_classify_intfc (vlib_main_t * vm, u32 sw_if_index,
48 u32 ip4_table_index, u32 ip6_table_index,
51 flow_classify_main_t *fcm = &flow_classify_main;
52 vnet_classify_main_t *vcm = fcm->vnet_classify_main;
53 u32 pct[FLOW_CLASSIFY_N_TABLES] = { ip4_table_index, ip6_table_index };
56 /* Assume that we've validated sw_if_index in the API layer */
58 for (ti = 0; ti < FLOW_CLASSIFY_N_TABLES; ti++)
63 if (pool_is_free_index (vcm->tables, pct[ti]))
64 return VNET_API_ERROR_NO_SUCH_TABLE;
66 vec_validate_init_empty
67 (fcm->classify_table_index_by_sw_if_index[ti], sw_if_index, ~0);
69 /* Reject any DEL operation with wrong sw_if_index */
72 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index]))
75 ("Non-existent intf_idx=%d with table_index=%d for delete",
76 sw_if_index, pct[ti]);
77 return VNET_API_ERROR_NO_SUCH_TABLE;
80 /* Return ok on ADD operaton if feature is already enabled */
82 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] != ~0)
85 vnet_flow_classify_feature_enable (vm, fcm, sw_if_index, ti, is_add);
88 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = pct[ti];
90 fcm->classify_table_index_by_sw_if_index[ti][sw_if_index] = ~0;
98 set_flow_classify_command_fn (vlib_main_t * vm,
99 unformat_input_t * input,
100 vlib_cli_command_t * cmd)
102 vnet_main_t *vnm = vnet_get_main ();
103 u32 sw_if_index = ~0;
104 u32 ip4_table_index = ~0;
105 u32 ip6_table_index = ~0;
110 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
112 if (unformat (input, "interface %U", unformat_vnet_sw_interface,
115 else if (unformat (input, "ip4-table %d", &ip4_table_index))
117 else if (unformat (input, "ip6-table %d", &ip6_table_index))
119 else if (unformat (input, "del"))
125 if (sw_if_index == ~0)
126 return clib_error_return (0, "Interface must be specified.");
129 return clib_error_return (0, "Table index should be specified.");
132 return clib_error_return (0, "Only one table index per API is allowed.");
134 rv = vnet_set_flow_classify_intfc (vm, sw_if_index, ip4_table_index,
135 ip6_table_index, is_add);
142 case VNET_API_ERROR_NO_MATCHING_INTERFACE:
143 return clib_error_return (0, "No such interface");
145 case VNET_API_ERROR_NO_SUCH_ENTRY:
146 return clib_error_return (0, "No such classifier table");
152 VLIB_CLI_COMMAND (set_input_acl_command, static) = {
153 .path = "set flow classify",
155 "set flow classify interface <int> [ip4-table <index>]\n"
156 " [ip6-table <index>] [del]",
157 .function = set_flow_classify_command_fn,
162 unformat_table_type (unformat_input_t * input, va_list * va)
164 u32 *r = va_arg (*va, u32 *);
167 if (unformat (input, "ip4"))
168 tid = FLOW_CLASSIFY_TABLE_IP4;
169 else if (unformat (input, "ip6"))
170 tid = FLOW_CLASSIFY_TABLE_IP6;
178 static clib_error_t *
179 show_flow_classify_command_fn (vlib_main_t * vm,
180 unformat_input_t * input,
181 vlib_cli_command_t * cmd)
183 flow_classify_main_t *fcm = &flow_classify_main;
184 u32 type = FLOW_CLASSIFY_N_TABLES;
188 if (unformat (input, "type %U", unformat_table_type, &type))
191 return clib_error_return (0, "Type must be specified.");;
193 if (type == FLOW_CLASSIFY_N_TABLES)
194 return clib_error_return (0, "Invalid table type.");
196 vec_tbl = fcm->classify_table_index_by_sw_if_index[type];
198 if (vec_len (vec_tbl))
199 vlib_cli_output (vm, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
202 vlib_cli_output (vm, "No tables configured.");
204 for (i = 0; i < vec_len (vec_tbl); i++)
206 if (vec_elt (vec_tbl, i) == ~0)
209 vlib_cli_output (vm, "%10d%20d\t\t%U", i, vec_elt (vec_tbl, i),
210 format_vnet_sw_if_index_name, fcm->vnet_main, i);
217 VLIB_CLI_COMMAND (show_flow_classify_command, static) = {
218 .path = "show classify flow",
219 .short_help = "show classify flow type [ip4|ip6]",
220 .function = show_flow_classify_command_fn,
225 * fd.io coding-style-patch-verification: ON
228 * eval: (c-set-style "gnu")