2 * Copyright (c) 2018 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 <plugins/gbp/gbp_ext_itf.h>
17 #include <plugins/gbp/gbp_bridge_domain.h>
18 #include <plugins/gbp/gbp_route_domain.h>
19 #include <plugins/gbp/gbp_itf.h>
22 * Pool of GBP ext_itfs
24 gbp_ext_itf_t *gbp_ext_itf_pool;
27 * external interface configs keyed by sw_if_index
29 index_t *gbp_ext_itf_db;
31 #define GBP_EXT_ITF_ID 0x00000080
36 vlib_log_class_t gx_logger;
38 #define GBP_EXT_ITF_DBG(...) \
39 vlib_log_debug (gx_logger, __VA_ARGS__);
42 format_gbp_ext_itf (u8 * s, va_list * args)
44 gbp_ext_itf_t *gx = va_arg (*args, gbp_ext_itf_t *);
46 return (format (s, "%U in %U",
47 format_gbp_itf, gx->gx_itf,
48 format_gbp_bridge_domain, gx->gx_bd));
52 gbp_ext_itf_add (u32 sw_if_index, u32 bd_id, u32 rd_id)
57 vec_validate_init_empty (gbp_ext_itf_db, sw_if_index, INDEX_INVALID);
59 gxi = gbp_ext_itf_db[sw_if_index];
61 if (INDEX_INVALID == gxi)
63 gbp_route_domain_t *gr;
64 fib_protocol_t fproto;
67 gbi = gbp_bridge_domain_find_and_lock (bd_id);
69 if (INDEX_INVALID == gbi)
70 return (VNET_API_ERROR_NO_SUCH_ENTRY);
72 gri = gbp_route_domain_find_and_lock (rd_id);
74 if (INDEX_INVALID == gri)
76 gbp_bridge_domain_unlock (gbi);
77 return (VNET_API_ERROR_NO_SUCH_ENTRY);
80 pool_get_zero (gbp_ext_itf_pool, gx);
81 gxi = gx - gbp_ext_itf_pool;
83 gr = gbp_route_domain_get (gri);
87 gx->gx_itf = sw_if_index;
89 FOR_EACH_FIB_IP_PROTOCOL (fproto)
91 gx->gx_fib_index[fproto] =
92 gr->grd_fib_index[fib_proto_to_dpo (fproto)];
95 gbp_ext_itf_db[sw_if_index] = gxi;
97 GBP_EXT_ITF_DBG ("add: %U", format_gbp_ext_itf, gx);
102 return (VNET_API_ERROR_ENTRY_ALREADY_EXISTS);
106 gbp_ext_itf_delete (u32 sw_if_index)
111 if (vec_len (gbp_ext_itf_db) <= sw_if_index)
112 return (VNET_API_ERROR_INVALID_SW_IF_INDEX);
114 gxi = gbp_ext_itf_db[sw_if_index];
116 if (INDEX_INVALID != gxi)
118 gx = pool_elt_at_index (gbp_ext_itf_pool, gxi);
120 GBP_EXT_ITF_DBG ("del: %U", format_gbp_ext_itf, gx);
122 gbp_route_domain_unlock (gx->gx_rd);
123 gbp_bridge_domain_unlock (gx->gx_bd);
125 gbp_ext_itf_db[sw_if_index] = INDEX_INVALID;
126 pool_put (gbp_ext_itf_pool, gx);
130 return (VNET_API_ERROR_NO_SUCH_ENTRY);
134 gbp_ext_itf_anon_add (u32 sw_if_index, u32 bd_id, u32 rd_id)
136 int rv = gbp_ext_itf_add (sw_if_index, bd_id, rd_id);
139 /* add interface to the BD */
140 index_t itf = gbp_itf_add_and_lock (sw_if_index, bd_id);
141 /* setup GBP L2 features on this interface */
142 gbp_itf_set_l2_input_feature (itf, 0,
143 L2INPUT_FEAT_GBP_LPM_ANON_CLASSIFY |
145 gbp_itf_set_l2_output_feature (itf, 0, L2OUTPUT_FEAT_GBP_POLICY_LPM);
150 gbp_ext_itf_anon_delete (u32 sw_if_index)
152 int rv = gbp_ext_itf_delete (sw_if_index);
155 gbp_itf_unlock (sw_if_index);
159 static clib_error_t *
160 gbp_ext_itf_add_del_cli (vlib_main_t * vm,
161 unformat_input_t * input, vlib_cli_command_t * cmd)
163 unformat_input_t _line_input, *line_input = &_line_input;
164 u32 sw_if_index = ~0, bd_id = ~0, rd_id = ~0;
165 int add = 1, anon = 0;
168 /* Get a line of input. */
169 if (!unformat_user (input, unformat_line_input, line_input))
172 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
174 if (unformat (line_input, "del"))
178 (line_input, "%U", unformat_vnet_sw_interface, vnet_get_main (),
181 else if (unformat (line_input, "bd %d", &bd_id))
183 else if (unformat (line_input, "rd %d", &rd_id))
185 else if (unformat (line_input, "anon-l3-out"))
188 return clib_error_return (0, "unknown input `%U'",
189 format_unformat_error, line_input);
191 unformat_free (line_input);
193 if (~0 == sw_if_index)
194 return clib_error_return (0, "interface must be specified");
199 return clib_error_return (0, "BD-ID must be specified");
201 return clib_error_return (0, "RD-ID must be specified");
203 rv = gbp_ext_itf_anon_add (sw_if_index, bd_id, rd_id);
205 rv = gbp_ext_itf_add (sw_if_index, bd_id, rd_id);
210 rv = gbp_ext_itf_anon_delete (sw_if_index);
212 rv = gbp_ext_itf_delete (sw_if_index);
219 case VNET_API_ERROR_ENTRY_ALREADY_EXISTS:
220 return clib_error_return (0, "interface already exists");
221 case VNET_API_ERROR_NO_SUCH_ENTRY: /* fallthrough */
222 case VNET_API_ERROR_INVALID_SW_IF_INDEX:
223 return clib_error_return (0, "unknown interface");
225 return clib_error_return (0, "error %d", rv);
233 * Add Group Based Interface as anonymous L3out interface
236 * @cliexstart{gbp interface [del] anon-l3out <interface> bd <ID>}
240 VLIB_CLI_COMMAND (gbp_itf_anon_l3out_add_del_node, static) = {
241 .path = "gbp ext-itf",
242 .short_help = "gbp ext-itf [del] <interface> bd <ID> rd <ID> [anon-l3-out]\n",
243 .function = gbp_ext_itf_add_del_cli,
248 gbp_ext_itf_walk (gbp_ext_itf_cb_t cb, void *ctx)
253 pool_foreach(ge, gbp_ext_itf_pool,
262 gbp_ext_itf_show_one (gbp_ext_itf_t * gx, void *ctx)
264 vlib_cli_output (ctx, " %U", format_gbp_ext_itf, gx);
266 return (WALK_CONTINUE);
269 static clib_error_t *
270 gbp_ext_itf_show (vlib_main_t * vm,
271 unformat_input_t * input, vlib_cli_command_t * cmd)
273 vlib_cli_output (vm, "External-Interfaces:");
274 gbp_ext_itf_walk (gbp_ext_itf_show_one, vm);
280 * Show Group Based Policy external interface and derived information
283 * @cliexstart{show gbp ext-itf}
287 VLIB_CLI_COMMAND (gbp_ext_itf_show_node, static) = {
288 .path = "show gbp ext-itf",
289 .short_help = "show gbp ext-itf\n",
290 .function = gbp_ext_itf_show,
294 static clib_error_t *
295 gbp_ext_itf_init (vlib_main_t * vm)
297 gx_logger = vlib_log_register_class ("gbp", "ext-itf");
302 VLIB_INIT_FUNCTION (gbp_ext_itf_init);
305 * fd.io coding-style-patch-verification: ON
308 * eval: (c-set-style "gnu")