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_bridge_domain.h>
17 #include <plugins/gbp/gbp_endpoint.h>
18 #include <plugins/gbp/gbp_sclass.h>
20 #include <vnet/dpo/dvr_dpo.h>
21 #include <vnet/fib/fib_table.h>
22 #include <vnet/l2/l2_input.h>
23 #include <vnet/l2/feat_bitmap.h>
24 #include <vnet/l2/l2_bvi.h>
25 #include <vnet/l2/l2_fib.h>
28 * Pool of GBP bridge_domains
30 gbp_bridge_domain_t *gbp_bridge_domain_pool;
33 * DB of bridge_domains
35 gbp_bridge_domain_db_t gbp_bridge_domain_db;
40 vlib_log_class_t gb_logger;
42 #define GBP_BD_DBG(...) \
43 vlib_log_debug (gb_logger, __VA_ARGS__);
46 gbp_bridge_domain_index (const gbp_bridge_domain_t * gbd)
48 return (gbd - gbp_bridge_domain_pool);
52 gbp_bridge_domain_lock (index_t i)
54 gbp_bridge_domain_t *gb;
56 gb = gbp_bridge_domain_get (i);
61 gbp_bridge_domain_get_bd_id (index_t gbdi)
63 gbp_bridge_domain_t *gb;
65 gb = gbp_bridge_domain_get (gbdi);
67 return (gb->gb_bd_id);
71 gbp_bridge_domain_find (u32 bd_id)
75 p = hash_get (gbp_bridge_domain_db.gbd_by_bd_id, bd_id);
80 return (INDEX_INVALID);
84 gbp_bridge_domain_find_and_lock (u32 bd_id)
88 p = hash_get (gbp_bridge_domain_db.gbd_by_bd_id, bd_id);
92 gbp_bridge_domain_lock (p[0]);
95 return (INDEX_INVALID);
99 gbp_bridge_domain_db_add (gbp_bridge_domain_t * gb)
101 index_t gbi = gb - gbp_bridge_domain_pool;
103 hash_set (gbp_bridge_domain_db.gbd_by_bd_id, gb->gb_bd_id, gbi);
104 vec_validate_init_empty (gbp_bridge_domain_db.gbd_by_bd_index,
105 gb->gb_bd_index, INDEX_INVALID);
106 gbp_bridge_domain_db.gbd_by_bd_index[gb->gb_bd_index] = gbi;
110 gbp_bridge_domain_db_remove (gbp_bridge_domain_t * gb)
112 hash_unset (gbp_bridge_domain_db.gbd_by_bd_id, gb->gb_bd_id);
113 gbp_bridge_domain_db.gbd_by_bd_index[gb->gb_bd_index] = INDEX_INVALID;
117 format_gbp_bridge_domain_ptr (u8 * s, va_list * args)
119 gbp_bridge_domain_t *gb = va_arg (*args, gbp_bridge_domain_t *);
120 vnet_main_t *vnm = vnet_get_main ();
123 s = format (s, "[%d] bd:[%d,%d], bvi:%U uu-flood:%U locks:%d",
124 gb - gbp_bridge_domain_pool,
127 format_vnet_sw_if_index_name, vnm, gb->gb_bvi_sw_if_index,
128 format_vnet_sw_if_index_name, vnm, gb->gb_uu_fwd_sw_if_index,
131 s = format (s, "NULL");
137 format_gbp_bridge_domain (u8 * s, va_list * args)
139 index_t gbi = va_arg (*args, index_t);
142 format (s, "%U", format_gbp_bridge_domain_ptr,
143 gbp_bridge_domain_get (gbi));
149 gbp_bridge_domain_add_and_lock (u32 bd_id,
150 gbp_bridge_domain_flags_t flags,
152 u32 uu_fwd_sw_if_index,
153 u32 bm_flood_sw_if_index)
155 gbp_bridge_domain_t *gb;
158 gbi = gbp_bridge_domain_find (bd_id);
160 if (INDEX_INVALID == gbi)
164 bd_index = bd_find_index (&bd_main, bd_id);
167 return (VNET_API_ERROR_BD_NOT_MODIFIABLE);
170 * unset learning in the bridge
172 bd_set_flags (vlib_get_main (), bd_index, L2_LEARN, 0);
174 pool_get (gbp_bridge_domain_pool, gb);
175 memset (gb, 0, sizeof (*gb));
177 gb->gb_bd_id = bd_id;
178 gb->gb_bd_index = bd_index;
179 gb->gb_uu_fwd_sw_if_index = uu_fwd_sw_if_index;
180 gb->gb_bvi_sw_if_index = bvi_sw_if_index;
181 gb->gb_bm_flood_sw_if_index = bm_flood_sw_if_index;
183 gb->gb_flags = flags;
186 * Set the BVI and uu-flood interfaces into the BD
188 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
189 MODE_L2_BRIDGE, gb->gb_bvi_sw_if_index,
190 bd_index, L2_BD_PORT_TYPE_BVI, 0, 0);
191 if (~0 != gb->gb_uu_fwd_sw_if_index)
193 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
194 MODE_L2_BRIDGE, gb->gb_uu_fwd_sw_if_index,
195 bd_index, L2_BD_PORT_TYPE_UU_FWD, 0, 0);
196 gbp_sclass_enable_l2 (gb->gb_uu_fwd_sw_if_index);
198 if (~0 != gb->gb_bm_flood_sw_if_index)
200 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
201 MODE_L2_BRIDGE, gb->gb_bm_flood_sw_if_index,
202 bd_index, L2_BD_PORT_TYPE_NORMAL, 0, 0);
203 gbp_sclass_enable_l2 (gb->gb_bm_flood_sw_if_index);
207 * Add the BVI's MAC to the L2FIB
209 l2fib_add_entry (vnet_sw_interface_get_hw_address
210 (vnet_get_main (), gb->gb_bvi_sw_if_index),
211 gb->gb_bd_index, gb->gb_bvi_sw_if_index,
212 (L2FIB_ENTRY_RESULT_FLAG_STATIC |
213 L2FIB_ENTRY_RESULT_FLAG_BVI));
215 gbp_bridge_domain_db_add (gb);
219 gb = gbp_bridge_domain_get (gbi);
223 GBP_BD_DBG ("add: %U", format_gbp_bridge_domain_ptr, gb);
229 gbp_bridge_domain_unlock (index_t index)
231 gbp_bridge_domain_t *gb;
233 gb = gbp_bridge_domain_get (index);
237 if (0 == gb->gb_locks)
239 GBP_BD_DBG ("destroy: %U", format_gbp_bridge_domain_ptr, gb);
241 l2fib_del_entry (vnet_sw_interface_get_hw_address
242 (vnet_get_main (), gb->gb_bvi_sw_if_index),
243 gb->gb_bd_index, gb->gb_bvi_sw_if_index);
245 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
246 MODE_L3, gb->gb_bvi_sw_if_index,
247 gb->gb_bd_index, L2_BD_PORT_TYPE_BVI, 0, 0);
248 if (~0 != gb->gb_uu_fwd_sw_if_index)
250 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
251 MODE_L3, gb->gb_uu_fwd_sw_if_index,
252 gb->gb_bd_index, L2_BD_PORT_TYPE_UU_FWD, 0, 0);
253 gbp_sclass_disable_l2 (gb->gb_uu_fwd_sw_if_index);
255 if (~0 != gb->gb_bm_flood_sw_if_index)
257 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
258 MODE_L3, gb->gb_bm_flood_sw_if_index,
259 gb->gb_bd_index, L2_BD_PORT_TYPE_NORMAL, 0, 0);
260 gbp_sclass_disable_l2 (gb->gb_bm_flood_sw_if_index);
263 gbp_bridge_domain_db_remove (gb);
265 pool_put (gbp_bridge_domain_pool, gb);
270 gbp_bridge_domain_delete (u32 bd_id)
274 GBP_BD_DBG ("del: %d", bd_id);
275 gbi = gbp_bridge_domain_find (bd_id);
277 if (INDEX_INVALID != gbi)
279 GBP_BD_DBG ("del: %U", format_gbp_bridge_domain, gbi);
280 gbp_bridge_domain_unlock (gbi);
285 return (VNET_API_ERROR_NO_SUCH_ENTRY);
289 gbp_bridge_domain_walk (gbp_bridge_domain_cb_t cb, void *ctx)
291 gbp_bridge_domain_t *gbpe;
294 pool_foreach(gbpe, gbp_bridge_domain_pool,
302 static clib_error_t *
303 gbp_bridge_domain_cli (vlib_main_t * vm,
304 unformat_input_t * input, vlib_cli_command_t * cmd)
306 vnet_main_t *vnm = vnet_get_main ();
307 u32 bm_flood_sw_if_index = ~0;
308 u32 uu_fwd_sw_if_index = ~0;
309 u32 bvi_sw_if_index = ~0;
313 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
315 if (unformat (input, "bvi %U", unformat_vnet_sw_interface,
316 vnm, &bvi_sw_if_index))
318 else if (unformat (input, "uu-fwd %U", unformat_vnet_sw_interface,
319 vnm, &uu_fwd_sw_if_index))
321 else if (unformat (input, "bm-flood %U", unformat_vnet_sw_interface,
322 vnm, &bm_flood_sw_if_index))
324 else if (unformat (input, "add"))
326 else if (unformat (input, "del"))
328 else if (unformat (input, "bd %d", &bd_id))
335 return clib_error_return (0, "EPG-ID must be specified");
339 if (~0 == bvi_sw_if_index)
340 return clib_error_return (0, "interface must be specified");
342 gbp_bridge_domain_add_and_lock (bd_id, GBP_BD_FLAG_NONE,
345 bm_flood_sw_if_index);
348 gbp_bridge_domain_delete (bd_id);
354 * Configure a GBP bridge-domain
357 * @cliexstart{set gbp bridge-domain [del] bd <ID> bvi <interface> uu-flood <interface>}
361 VLIB_CLI_COMMAND (gbp_bridge_domain_cli_node, static) = {
362 .path = "gbp bridge-domain",
363 .short_help = "gbp bridge-domain [del] epg bd <ID> bvi <interface> uu-flood <interface>",
364 .function = gbp_bridge_domain_cli,
368 gbp_bridge_domain_show_one (gbp_bridge_domain_t *gb, void *ctx)
373 vlib_cli_output (vm, " %U", format_gbp_bridge_domain_ptr, gb);
378 static clib_error_t *
379 gbp_bridge_domain_show (vlib_main_t * vm,
380 unformat_input_t * input, vlib_cli_command_t * cmd)
382 vlib_cli_output (vm, "Bridge-Domains:");
383 gbp_bridge_domain_walk (gbp_bridge_domain_show_one, vm);
390 * Show Group Based Policy Bridge_Domains and derived information
393 * @cliexstart{show gbp bridge_domain}
397 VLIB_CLI_COMMAND (gbp_bridge_domain_show_node, static) = {
398 .path = "show gbp bridge-domain",
399 .short_help = "show gbp bridge-domain\n",
400 .function = gbp_bridge_domain_show,
404 static clib_error_t *
405 gbp_bridge_domain_init (vlib_main_t * vm)
407 gb_logger = vlib_log_register_class ("gbp", "bd");
412 VLIB_INIT_FUNCTION (gbp_bridge_domain_init);
415 * fd.io coding-style-patch-verification: ON
418 * eval: (c-set-style "gnu")