2 * Copyright (c) 2017 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 <vnet/session/application_namespace.h>
17 #include <vnet/session/session_table.h>
18 #include <vnet/session/session.h>
19 #include <vnet/fib/fib_table.h>
22 * Hash table of application namespaces by app ns ids
24 uword *app_namespace_lookup_table;
27 * Pool of application namespaces
29 static app_namespace_t *app_namespace_pool;
32 app_namespace_get (u32 index)
34 return pool_elt_at_index (app_namespace_pool, index);
38 app_namespace_get_from_id (const u8 * ns_id)
40 u32 index = app_namespace_index_from_id (ns_id);
41 if (index == APP_NAMESPACE_INVALID_INDEX)
43 return app_namespace_get (index);
47 app_namespace_index (app_namespace_t * app_ns)
49 return (app_ns - app_namespace_pool);
53 app_namespace_alloc (u8 * ns_id)
55 app_namespace_t *app_ns;
56 pool_get (app_namespace_pool, app_ns);
57 memset (app_ns, 0, sizeof (*app_ns));
58 app_ns->ns_id = vec_dup (ns_id);
59 hash_set_mem (app_namespace_lookup_table, app_ns->ns_id,
60 app_ns - app_namespace_pool);
65 vnet_app_namespace_add_del (vnet_app_namespace_add_del_args_t * a)
67 app_namespace_t *app_ns;
72 if (a->sw_if_index != APP_NAMESPACE_INVALID_INDEX
73 && !vnet_get_sw_interface_safe (vnet_get_main (), a->sw_if_index))
74 return clib_error_return_code (0, VNET_API_ERROR_INVALID_SW_IF_INDEX,
75 0, "sw_if_index %u doesn't exist",
78 if (a->sw_if_index != APP_NAMESPACE_INVALID_INDEX)
81 fib_table_get_table_id_for_sw_if_index (FIB_PROTOCOL_IP4,
84 fib_table_get_table_id_for_sw_if_index (FIB_PROTOCOL_IP4,
87 if (a->sw_if_index == APP_NAMESPACE_INVALID_INDEX
88 && a->ip4_fib_id == APP_NAMESPACE_INVALID_INDEX)
89 return clib_error_return_code (0, VNET_API_ERROR_INVALID_VALUE, 0,
90 "sw_if_index or fib_id must be "
92 st = session_table_alloc ();
93 session_table_init (st);
95 app_ns = app_namespace_get_from_id (a->ns_id);
97 app_ns = app_namespace_alloc (a->ns_id);
98 app_ns->ns_secret = a->secret;
99 app_ns->sw_if_index = a->sw_if_index;
100 app_ns->local_table_index = session_table_index (st);
101 app_ns->ip4_fib_index =
102 fib_table_find (FIB_PROTOCOL_IP4, a->ip4_fib_id);
103 app_ns->ip6_fib_index =
104 fib_table_find (FIB_PROTOCOL_IP6, a->ip6_fib_id);
108 return clib_error_return_code (0, VNET_API_ERROR_UNIMPLEMENTED, 0,
109 "namespace deletion not supported");
115 app_namespace_id (app_namespace_t * app_ns)
117 return app_ns->ns_id;
121 app_namespace_index_from_id (const u8 * ns_id)
124 indexp = hash_get_mem (app_namespace_lookup_table, ns_id);
126 return APP_NAMESPACE_INVALID_INDEX;
131 app_namespace_id_from_index (u32 index)
133 app_namespace_t *app_ns;
135 app_ns = app_namespace_get (index);
136 return app_namespace_id (app_ns);
140 app_namespaces_init (void)
142 u8 *ns_id = format (0, "default");
143 app_namespace_lookup_table =
144 hash_create_vec (0, sizeof (u8), sizeof (uword));
147 * Allocate default namespace
149 vnet_app_namespace_add_del_args_t a = {
152 .sw_if_index = APP_NAMESPACE_INVALID_INDEX,
155 vnet_app_namespace_add_del (&a);
159 static clib_error_t *
160 app_ns_fn (vlib_main_t * vm, unformat_input_t * input,
161 vlib_cli_command_t * cmd)
163 u8 is_add = 0, *ns_id = 0, secret_set = 0, sw_if_index_set = 0;
164 u32 sw_if_index, fib_id = APP_NAMESPACE_INVALID_INDEX;
166 clib_error_t *error = 0;
168 session_cli_return_if_not_enabled ();
170 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
172 if (unformat (input, "add"))
174 else if (unformat (input, "id %_%v%_", &ns_id))
176 else if (unformat (input, "secret %lu", &secret))
178 else if (unformat (input, "sw_if_index %u", &sw_if_index))
180 else if (unformat (input, "fib_id", &fib_id))
183 return clib_error_return (0, "unknown input `%U'",
184 format_unformat_error, input);
187 if (!ns_id || !secret_set || !sw_if_index_set)
189 vlib_cli_output (vm, "namespace-id, secret and sw_if_index must be "
196 vnet_app_namespace_add_del_args_t args = {
199 .sw_if_index = sw_if_index,
200 .ip4_fib_id = fib_id,
203 error = vnet_app_namespace_add_del (&args);
210 VLIB_CLI_COMMAND (app_ns_command, static) =
213 .short_help = "app ns [add] id <namespace-id> secret <secret> "
214 "sw_if_index <sw_if_index>",
215 .function = app_ns_fn,
220 format_app_namespace (u8 * s, va_list * args)
222 app_namespace_t *app_ns = va_arg (*args, app_namespace_t *);
223 s = format (s, "%-20v%-20lu%-20u", app_ns->ns_id, app_ns->ns_secret,
224 app_ns->sw_if_index);
228 static clib_error_t *
229 show_app_ns_fn (vlib_main_t * vm, unformat_input_t * input,
230 vlib_cli_command_t * cmd)
232 app_namespace_t *app_ns;
234 u8 *ns_id, do_table = 0;
236 session_cli_return_if_not_enabled ();
238 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
240 if (unformat (input, "table %_%v%_", &ns_id))
243 return clib_error_return (0, "unknown input `%U'",
244 format_unformat_error, input);
249 app_ns = app_namespace_get_from_id (ns_id);
252 vlib_cli_output (vm, "ns %v not found", ns_id);
255 st = session_table_get (app_ns->local_table_index);
258 vlib_cli_output (vm, "table for ns %v could not be found", ns_id);
261 session_lookup_show_table_entries (vm, st, 0, 1);
266 vlib_cli_output (vm, "%-20s%-20s%-20s", "Namespace", "Secret",
270 pool_foreach (app_ns, app_namespace_pool, ({
271 vlib_cli_output (vm, "%U", format_app_namespace, app_ns);
279 VLIB_CLI_COMMAND (show_app_ns_command, static) =
281 .path = "show app ns",
282 .short_help = "show app ns",
283 .function = show_app_ns_fn,
288 * fd.io coding-style-patch-verification: ON
291 * eval: (c-set-style "gnu")