2 * Copyright (c) 2015 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/ip/ip.h>
16 #include <vnet/classify/vnet_classify.h>
17 #include <vnet/classify/in_out_acl.h>
19 in_out_acl_main_t in_out_acl_main;
22 vnet_in_out_acl_ip_feature_enable (vlib_main_t * vnm,
23 in_out_acl_main_t * am,
25 in_out_acl_table_id_t tid,
26 int feature_enable, int is_output)
29 if (tid == IN_OUT_ACL_TABLE_L2)
32 l2output_intf_bitmap_enable (sw_if_index, L2OUTPUT_FEAT_ACL,
35 l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_ACL,
40 vnet_feature_config_main_t *fcm;
43 if (tid == IN_OUT_ACL_TABLE_IP4)
45 char *arc_name = is_output ? "ip4-output" : "ip4-unicast";
46 vnet_feature_enable_disable (arc_name,
47 is_output ? "ip4-outacl" : "ip4-inacl",
48 sw_if_index, feature_enable, 0, 0);
49 arc = vnet_get_feature_arc_index (arc_name);
53 char *arc_name = is_output ? "ip6-output" : "ip6-unicast";
54 vnet_feature_enable_disable (arc_name,
55 is_output ? "ip6-outacl" : "ip6-inacl",
56 sw_if_index, feature_enable, 0, 0);
57 arc = vnet_get_feature_arc_index (arc_name);
60 fcm = vnet_get_feature_arc_config_main (arc);
61 am->vnet_config_main[is_output][tid] = &fcm->config_main;
68 vnet_set_in_out_acl_intfc (vlib_main_t * vm, u32 sw_if_index,
70 u32 ip6_table_index, u32 l2_table_index,
71 u32 is_add, u32 is_output)
73 in_out_acl_main_t *am = &in_out_acl_main;
74 vnet_classify_main_t *vcm = am->vnet_classify_main;
75 u32 acl[IN_OUT_ACL_N_TABLES] = { ip4_table_index, ip6_table_index,
80 /* Assume that we've validated sw_if_index in the API layer */
82 for (ti = 0; ti < IN_OUT_ACL_N_TABLES; ti++)
87 if (pool_is_free_index (vcm->tables, acl[ti]))
88 return VNET_API_ERROR_NO_SUCH_TABLE;
90 vec_validate_init_empty
91 (am->classify_table_index_by_sw_if_index[is_output][ti], sw_if_index,
94 /* Reject any DEL operation with wrong sw_if_index */
97 am->classify_table_index_by_sw_if_index[is_output][ti]
101 ("Non-existent intf_idx=%d with table_index=%d for delete",
102 sw_if_index, acl[ti]);
103 return VNET_API_ERROR_NO_SUCH_TABLE;
106 /* Return ok on ADD operaton if feature is already enabled */
108 am->classify_table_index_by_sw_if_index[is_output][ti][sw_if_index]
112 vnet_in_out_acl_ip_feature_enable (vm, am, sw_if_index, ti, is_add,
116 am->classify_table_index_by_sw_if_index[is_output][ti][sw_if_index] =
119 am->classify_table_index_by_sw_if_index[is_output][ti][sw_if_index] =
127 vnet_set_input_acl_intfc (vlib_main_t * vm, u32 sw_if_index,
129 u32 ip6_table_index, u32 l2_table_index, u32 is_add)
131 return vnet_set_in_out_acl_intfc (vm, sw_if_index, ip4_table_index,
132 ip6_table_index, l2_table_index, is_add,
133 IN_OUT_ACL_INPUT_TABLE_GROUP);
137 vnet_set_output_acl_intfc (vlib_main_t * vm, u32 sw_if_index,
139 u32 ip6_table_index, u32 l2_table_index,
142 return vnet_set_in_out_acl_intfc (vm, sw_if_index, ip4_table_index,
143 ip6_table_index, l2_table_index, is_add,
144 IN_OUT_ACL_OUTPUT_TABLE_GROUP);
147 static clib_error_t *
148 set_in_out_acl_command_fn (vlib_main_t * vm,
149 unformat_input_t * input, vlib_cli_command_t * cmd,
152 vnet_main_t *vnm = vnet_get_main ();
153 u32 sw_if_index = ~0;
154 u32 ip4_table_index = ~0;
155 u32 ip6_table_index = ~0;
156 u32 l2_table_index = ~0;
161 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
163 if (unformat (input, "intfc %U", unformat_vnet_sw_interface,
166 else if (unformat (input, "ip4-table %d", &ip4_table_index))
168 else if (unformat (input, "ip6-table %d", &ip6_table_index))
170 else if (unformat (input, "l2-table %d", &l2_table_index))
172 else if (unformat (input, "del"))
178 if (sw_if_index == ~0)
179 return clib_error_return (0, "Interface must be specified.");
182 return clib_error_return (0, "Table index should be specified.");
185 return clib_error_return (0, "Only one table index per API is allowed.");
187 rv = vnet_set_in_out_acl_intfc (vm, sw_if_index, ip4_table_index,
188 ip6_table_index, l2_table_index, is_add,
196 case VNET_API_ERROR_NO_MATCHING_INTERFACE:
197 return clib_error_return (0, "No such interface");
199 case VNET_API_ERROR_NO_SUCH_ENTRY:
200 return clib_error_return (0, "No such classifier table");
205 static clib_error_t *
206 set_input_acl_command_fn (vlib_main_t * vm,
207 unformat_input_t * input, vlib_cli_command_t * cmd)
209 return set_in_out_acl_command_fn (vm, input, cmd,
210 IN_OUT_ACL_INPUT_TABLE_GROUP);
213 static clib_error_t *
214 set_output_acl_command_fn (vlib_main_t * vm,
215 unformat_input_t * input, vlib_cli_command_t * cmd)
217 return set_in_out_acl_command_fn (vm, input, cmd,
218 IN_OUT_ACL_OUTPUT_TABLE_GROUP);
222 * Configure interface to enable/disble input/output ACL features:
223 * intfc - interface name to be configured as input ACL
224 * Ip4-table <index> [del] - enable/disable IP4 input ACL
225 * Ip6-table <index> [del] - enable/disable IP6 input ACL
226 * l2-table <index> [del] - enable/disable Layer2 input ACL
228 * Note: Only one table index per API call is allowed.
232 VLIB_CLI_COMMAND (set_input_acl_command, static) = {
233 .path = "set interface input acl",
235 "set interface input acl intfc <int> [ip4-table <index>]\n"
236 " [ip6-table <index>] [l2-table <index>] [del]",
237 .function = set_input_acl_command_fn,
239 VLIB_CLI_COMMAND (set_output_acl_command, static) = {
240 .path = "set interface output acl",
242 "set interface output acl intfc <int> [ip4-table <index>]\n"
243 " [ip6-table <index>] [l2-table <index>] [del]",
244 .function = set_output_acl_command_fn,
249 in_out_acl_init (vlib_main_t * vm)
251 in_out_acl_main_t *am = &in_out_acl_main;
252 clib_error_t *error = 0;
254 if ((error = vlib_call_init_function (vm, ip_in_out_acl_init)))
258 am->vnet_main = vnet_get_main ();
259 am->vnet_classify_main = &vnet_classify_main;
264 VLIB_INIT_FUNCTION (in_out_acl_init);
267 unformat_acl_type (unformat_input_t * input, va_list * args)
269 u32 *acl_type = va_arg (*args, u32 *);
270 u32 tid = IN_OUT_ACL_N_TABLES;
272 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
274 if (unformat (input, "ip4"))
275 tid = IN_OUT_ACL_TABLE_IP4;
276 else if (unformat (input, "ip6"))
277 tid = IN_OUT_ACL_TABLE_IP6;
278 else if (unformat (input, "l2"))
279 tid = IN_OUT_ACL_TABLE_L2;
289 format_vnet_in_out_acl_info (u8 * s, va_list * va)
291 in_out_acl_main_t *am = va_arg (*va, in_out_acl_main_t *);
292 int sw_if_idx = va_arg (*va, int);
293 u32 tid = va_arg (*va, u32);
297 s = format (s, "%10s%20s\t\t%s", "Intfc idx", "Classify table",
302 s = format (s, "%10d%20d\t\t%U", sw_if_idx, tid,
303 format_vnet_sw_if_index_name, am->vnet_main, sw_if_idx);
308 static clib_error_t *
309 show_in_out_acl_command_fn (vlib_main_t * vm,
310 unformat_input_t * input,
311 vlib_cli_command_t * cmd, u32 is_output)
313 in_out_acl_main_t *am = &in_out_acl_main;
314 u32 type = IN_OUT_ACL_N_TABLES;
318 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
320 if (unformat (input, "type %U", unformat_acl_type, &type))
326 if (type == IN_OUT_ACL_N_TABLES)
327 return clib_error_return (0, is_output ? "Invalid output ACL table type."
328 : "Invalid input ACL table type.");
330 vec_tbl = am->classify_table_index_by_sw_if_index[is_output][type];
332 if (vec_len (vec_tbl))
333 vlib_cli_output (vm, "%U", format_vnet_in_out_acl_info, am, ~0 /* hdr */ ,
336 vlib_cli_output (vm, is_output ? "No output ACL tables configured"
337 : "No input ACL tables configured");
339 for (i = 0; i < vec_len (vec_tbl); i++)
341 if (vec_elt (vec_tbl, i) == ~0)
344 vlib_cli_output (vm, "%U", format_vnet_in_out_acl_info,
345 am, i, vec_elt (vec_tbl, i));
351 static clib_error_t *
352 show_inacl_command_fn (vlib_main_t * vm,
353 unformat_input_t * input, vlib_cli_command_t * cmd)
355 return show_in_out_acl_command_fn (vm, input, cmd,
356 IN_OUT_ACL_INPUT_TABLE_GROUP);
359 static clib_error_t *
360 show_outacl_command_fn (vlib_main_t * vm,
361 unformat_input_t * input, vlib_cli_command_t * cmd)
363 return show_in_out_acl_command_fn (vm, input, cmd,
364 IN_OUT_ACL_OUTPUT_TABLE_GROUP);
368 VLIB_CLI_COMMAND (show_inacl_command, static) = {
369 .path = "show inacl",
370 .short_help = "show inacl type [ip4|ip6|l2]",
371 .function = show_inacl_command_fn,
373 VLIB_CLI_COMMAND (show_outacl_command, static) = {
374 .path = "show outacl",
375 .short_help = "show outacl type [ip4|ip6|l2]",
376 .function = show_outacl_command_fn,
381 * fd.io coding-style-patch-verification: ON
384 * eval: (c-set-style "gnu")