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_learn.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_flags (u8 * s, va_list * args)
119 gbp_bridge_domain_flags_t gf = va_arg (*args, gbp_bridge_domain_flags_t);
123 if (gf & GBP_BD_FLAG_DO_NOT_LEARN)
124 s = format (s, "do-not-learn");
128 s = format (s, "none");
134 format_gbp_bridge_domain_ptr (u8 * s, va_list * args)
136 gbp_bridge_domain_t *gb = va_arg (*args, gbp_bridge_domain_t *);
137 vnet_main_t *vnm = vnet_get_main ();
140 s = format (s, "[%d] bd:[%d,%d], bvi:%U uu-flood:%U flags:%U locks:%d",
141 gb - gbp_bridge_domain_pool,
144 format_vnet_sw_if_index_name, vnm, gb->gb_bvi_sw_if_index,
145 format_vnet_sw_if_index_name, vnm, gb->gb_uu_fwd_sw_if_index,
146 format_gbp_bridge_domain_flags, gb->gb_flags, gb->gb_locks);
148 s = format (s, "NULL");
154 format_gbp_bridge_domain (u8 * s, va_list * args)
156 index_t gbi = va_arg (*args, index_t);
159 format (s, "%U", format_gbp_bridge_domain_ptr,
160 gbp_bridge_domain_get (gbi));
166 gbp_bridge_domain_add_and_lock (u32 bd_id,
167 gbp_bridge_domain_flags_t flags,
169 u32 uu_fwd_sw_if_index,
170 u32 bm_flood_sw_if_index)
172 gbp_bridge_domain_t *gb;
175 gbi = gbp_bridge_domain_find (bd_id);
177 if (INDEX_INVALID == gbi)
181 bd_index = bd_find_index (&bd_main, bd_id);
184 return (VNET_API_ERROR_BD_NOT_MODIFIABLE);
187 * unset learning in the bridge
189 bd_set_flags (vlib_get_main (), bd_index, L2_LEARN, 0);
191 pool_get (gbp_bridge_domain_pool, gb);
192 memset (gb, 0, sizeof (*gb));
194 gb->gb_bd_id = bd_id;
195 gb->gb_bd_index = bd_index;
196 gb->gb_uu_fwd_sw_if_index = uu_fwd_sw_if_index;
197 gb->gb_bvi_sw_if_index = bvi_sw_if_index;
198 gb->gb_bm_flood_sw_if_index = bm_flood_sw_if_index;
200 gb->gb_flags = flags;
203 * Set the BVI and uu-flood interfaces into the BD
205 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
206 MODE_L2_BRIDGE, gb->gb_bvi_sw_if_index,
207 bd_index, L2_BD_PORT_TYPE_BVI, 0, 0);
208 if (~0 != gb->gb_uu_fwd_sw_if_index)
210 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
211 MODE_L2_BRIDGE, gb->gb_uu_fwd_sw_if_index,
212 bd_index, L2_BD_PORT_TYPE_UU_FWD, 0, 0);
214 if (~0 != gb->gb_bm_flood_sw_if_index)
216 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
217 MODE_L2_BRIDGE, gb->gb_bm_flood_sw_if_index,
218 bd_index, L2_BD_PORT_TYPE_NORMAL, 0, 0);
219 gbp_learn_enable (gb->gb_bm_flood_sw_if_index, GBP_LEARN_MODE_L2);
223 * Add the BVI's MAC to the L2FIB
225 l2fib_add_entry (vnet_sw_interface_get_hw_address
226 (vnet_get_main (), gb->gb_bvi_sw_if_index),
227 gb->gb_bd_index, gb->gb_bvi_sw_if_index,
228 (L2FIB_ENTRY_RESULT_FLAG_STATIC |
229 L2FIB_ENTRY_RESULT_FLAG_BVI));
231 gbp_bridge_domain_db_add (gb);
235 gb = gbp_bridge_domain_get (gbi);
239 GBP_BD_DBG ("add: %U", format_gbp_bridge_domain_ptr, gb);
245 gbp_bridge_domain_unlock (index_t index)
247 gbp_bridge_domain_t *gb;
249 gb = gbp_bridge_domain_get (index);
253 if (0 == gb->gb_locks)
255 GBP_BD_DBG ("destroy: %U", format_gbp_bridge_domain_ptr, gb);
257 l2fib_del_entry (vnet_sw_interface_get_hw_address
258 (vnet_get_main (), gb->gb_bvi_sw_if_index),
259 gb->gb_bd_index, gb->gb_bvi_sw_if_index);
261 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
262 MODE_L3, gb->gb_bvi_sw_if_index,
263 gb->gb_bd_index, L2_BD_PORT_TYPE_BVI, 0, 0);
264 if (~0 != gb->gb_uu_fwd_sw_if_index)
266 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
267 MODE_L3, gb->gb_uu_fwd_sw_if_index,
268 gb->gb_bd_index, L2_BD_PORT_TYPE_UU_FWD, 0, 0);
270 if (~0 != gb->gb_bm_flood_sw_if_index)
272 set_int_l2_mode (vlib_get_main (), vnet_get_main (),
273 MODE_L3, gb->gb_bm_flood_sw_if_index,
274 gb->gb_bd_index, L2_BD_PORT_TYPE_NORMAL, 0, 0);
275 gbp_learn_enable (gb->gb_bm_flood_sw_if_index, GBP_LEARN_MODE_L2);
278 gbp_bridge_domain_db_remove (gb);
280 pool_put (gbp_bridge_domain_pool, gb);
285 gbp_bridge_domain_delete (u32 bd_id)
289 GBP_BD_DBG ("del: %d", bd_id);
290 gbi = gbp_bridge_domain_find (bd_id);
292 if (INDEX_INVALID != gbi)
294 GBP_BD_DBG ("del: %U", format_gbp_bridge_domain, gbi);
295 gbp_bridge_domain_unlock (gbi);
300 return (VNET_API_ERROR_NO_SUCH_ENTRY);
304 gbp_bridge_domain_walk (gbp_bridge_domain_cb_t cb, void *ctx)
306 gbp_bridge_domain_t *gbpe;
309 pool_foreach(gbpe, gbp_bridge_domain_pool,
317 static clib_error_t *
318 gbp_bridge_domain_cli (vlib_main_t * vm,
319 unformat_input_t * input, vlib_cli_command_t * cmd)
321 vnet_main_t *vnm = vnet_get_main ();
322 u32 bm_flood_sw_if_index = ~0;
323 u32 uu_fwd_sw_if_index = ~0;
324 u32 bvi_sw_if_index = ~0;
328 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
330 if (unformat (input, "bvi %U", unformat_vnet_sw_interface,
331 vnm, &bvi_sw_if_index))
333 else if (unformat (input, "uu-fwd %U", unformat_vnet_sw_interface,
334 vnm, &uu_fwd_sw_if_index))
336 else if (unformat (input, "bm-flood %U", unformat_vnet_sw_interface,
337 vnm, &bm_flood_sw_if_index))
339 else if (unformat (input, "add"))
341 else if (unformat (input, "del"))
343 else if (unformat (input, "bd %d", &bd_id))
350 return clib_error_return (0, "EPG-ID must be specified");
354 if (~0 == bvi_sw_if_index)
355 return clib_error_return (0, "interface must be specified");
357 gbp_bridge_domain_add_and_lock (bd_id, GBP_BD_FLAG_NONE,
360 bm_flood_sw_if_index);
363 gbp_bridge_domain_delete (bd_id);
369 * Configure a GBP bridge-domain
372 * @cliexstart{set gbp bridge-domain [del] bd <ID> bvi <interface> uu-flood <interface>}
376 VLIB_CLI_COMMAND (gbp_bridge_domain_cli_node, static) = {
377 .path = "gbp bridge-domain",
378 .short_help = "gbp bridge-domain [del] epg bd <ID> bvi <interface> uu-flood <interface>",
379 .function = gbp_bridge_domain_cli,
383 gbp_bridge_domain_show_one (gbp_bridge_domain_t *gb, void *ctx)
388 vlib_cli_output (vm, " %U", format_gbp_bridge_domain_ptr, gb);
393 static clib_error_t *
394 gbp_bridge_domain_show (vlib_main_t * vm,
395 unformat_input_t * input, vlib_cli_command_t * cmd)
397 vlib_cli_output (vm, "Bridge-Domains:");
398 gbp_bridge_domain_walk (gbp_bridge_domain_show_one, vm);
405 * Show Group Based Policy Bridge_Domains and derived information
408 * @cliexstart{show gbp bridge_domain}
412 VLIB_CLI_COMMAND (gbp_bridge_domain_show_node, static) = {
413 .path = "show gbp bridge-domain",
414 .short_help = "show gbp bridge-domain\n",
415 .function = gbp_bridge_domain_show,
419 static clib_error_t *
420 gbp_bridge_domain_init (vlib_main_t * vm)
422 gb_logger = vlib_log_register_class ("gbp", "bd");
427 VLIB_INIT_FUNCTION (gbp_bridge_domain_init);
430 * fd.io coding-style-patch-verification: ON
433 * eval: (c-set-style "gnu")