blob: 0ef0e7a6deb42a48f25b14d1cd7973c23035acce [file] [log] [blame]
Ed Warnickecb9cada2015-12-08 15:45:58 -07001/*
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:
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
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.
14 */
15/*
16 * ip/ip_lookup.c: ip4/6 adjacency and lookup table managment
17 *
18 * Copyright (c) 2008 Eliot Dresselhaus
19 *
20 * Permission is hereby granted, free of charge, to any person obtaining
21 * a copy of this software and associated documentation files (the
22 * "Software"), to deal in the Software without restriction, including
23 * without limitation the rights to use, copy, modify, merge, publish,
24 * distribute, sublicense, and/or sell copies of the Software, and to
25 * permit persons to whom the Software is furnished to do so, subject to
26 * the following conditions:
27 *
28 * The above copyright notice and this permission notice shall be
29 * included in all copies or substantial portions of the Software.
30 *
31 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
32 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
33 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
34 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
35 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
36 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
37 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
38 */
39
Ed Warnickecb9cada2015-12-08 15:45:58 -070040#include <vnet/ip/ip.h>
Neale Ranns6c3ebcc2016-10-02 21:20:15 +010041#include <vnet/adj/adj.h>
Neale Ranns0bfe5d82016-08-25 15:29:12 +010042#include <vnet/fib/fib_table.h>
43#include <vnet/fib/ip4_fib.h>
44#include <vnet/fib/ip6_fib.h>
45#include <vnet/mpls/mpls.h>
Neale Ranns32e1c012016-11-22 17:07:28 +000046#include <vnet/mfib/mfib_table.h>
Neale Ranns0bfe5d82016-08-25 15:29:12 +010047#include <vnet/dpo/drop_dpo.h>
48#include <vnet/dpo/classify_dpo.h>
49#include <vnet/dpo/punt_dpo.h>
50#include <vnet/dpo/receive_dpo.h>
Neale Ranns948e00f2016-10-20 13:39:34 +010051#include <vnet/dpo/ip_null_dpo.h>
Ed Warnickecb9cada2015-12-08 15:45:58 -070052
Billy McFall0683c9c2016-10-13 08:27:31 -040053/**
54 * @file
55 * @brief IPv4 and IPv6 adjacency and lookup table managment.
56 *
57 */
58
Ed Warnickecb9cada2015-12-08 15:45:58 -070059clib_error_t *
60ip_interface_address_add_del (ip_lookup_main_t * lm,
61 u32 sw_if_index,
Dave Barachd7cb1b52016-12-09 09:52:16 -050062 void *addr_fib,
Ed Warnickecb9cada2015-12-08 15:45:58 -070063 u32 address_length,
Dave Barachd7cb1b52016-12-09 09:52:16 -050064 u32 is_del, u32 * result_if_address_index)
Ed Warnickecb9cada2015-12-08 15:45:58 -070065{
Dave Barachd7cb1b52016-12-09 09:52:16 -050066 vnet_main_t *vnm = vnet_get_main ();
67 ip_interface_address_t *a, *prev, *next;
68 uword *p = mhash_get (&lm->address_to_if_address_index, addr_fib);
Ed Warnickecb9cada2015-12-08 15:45:58 -070069
Dave Barachd7cb1b52016-12-09 09:52:16 -050070 vec_validate_init_empty (lm->if_address_pool_index_by_sw_if_index,
71 sw_if_index, ~0);
Ed Warnickecb9cada2015-12-08 15:45:58 -070072 a = p ? pool_elt_at_index (lm->if_address_pool, p[0]) : 0;
73
74 /* Verify given length. */
75 if ((a && (address_length != a->address_length)) || (address_length == 0))
76 {
77 vnm->api_errno = VNET_API_ERROR_ADDRESS_LENGTH_MISMATCH;
Dave Barachd7cb1b52016-12-09 09:52:16 -050078 return clib_error_create
79 ("%U wrong length (expected %d) for interface %U",
80 lm->format_address_and_length, addr_fib,
81 address_length, a ? a->address_length : -1,
82 format_vnet_sw_if_index_name, vnm, sw_if_index);
Ed Warnickecb9cada2015-12-08 15:45:58 -070083 }
84
85 if (is_del)
86 {
Dave Barachd7cb1b52016-12-09 09:52:16 -050087 if (!a)
88 {
89 vnet_sw_interface_t *si = vnet_get_sw_interface (vnm, sw_if_index);
90 vnm->api_errno = VNET_API_ERROR_ADDRESS_NOT_FOUND_FOR_INTERFACE;
91 return clib_error_create ("%U not found for interface %U",
92 lm->format_address_and_length,
93 addr_fib, address_length,
94 format_vnet_sw_interface_name, vnm, si);
95 }
Ed Warnickecb9cada2015-12-08 15:45:58 -070096
97 if (a->prev_this_sw_interface != ~0)
98 {
Dave Barachd7cb1b52016-12-09 09:52:16 -050099 prev =
100 pool_elt_at_index (lm->if_address_pool,
101 a->prev_this_sw_interface);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700102 prev->next_this_sw_interface = a->next_this_sw_interface;
103 }
104 if (a->next_this_sw_interface != ~0)
105 {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500106 next =
107 pool_elt_at_index (lm->if_address_pool,
108 a->next_this_sw_interface);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700109 next->prev_this_sw_interface = a->prev_this_sw_interface;
110
Dave Barachd7cb1b52016-12-09 09:52:16 -0500111 if (a->prev_this_sw_interface == ~0)
112 lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
113 a->next_this_sw_interface;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700114 }
115
Dave Barachd7cb1b52016-12-09 09:52:16 -0500116 if ((a->next_this_sw_interface == ~0)
117 && (a->prev_this_sw_interface == ~0))
Ed Warnickecb9cada2015-12-08 15:45:58 -0700118 lm->if_address_pool_index_by_sw_if_index[sw_if_index] = ~0;
119
120 mhash_unset (&lm->address_to_if_address_index, addr_fib,
121 /* old_value */ 0);
122 pool_put (lm->if_address_pool, a);
123
124 if (result_if_address_index)
125 *result_if_address_index = ~0;
126 }
127
Dave Barachd7cb1b52016-12-09 09:52:16 -0500128 else if (!a)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700129 {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500130 u32 pi; /* previous index */
131 u32 ai;
132 u32 hi; /* head index */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700133
134 pool_get (lm->if_address_pool, a);
135 memset (a, ~0, sizeof (a[0]));
136 ai = a - lm->if_address_pool;
137
138 hi = pi = lm->if_address_pool_index_by_sw_if_index[sw_if_index];
139 prev = 0;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500140 while (pi != (u32) ~ 0)
141 {
142 prev = pool_elt_at_index (lm->if_address_pool, pi);
143 pi = prev->next_this_sw_interface;
144 }
145 pi = prev ? prev - lm->if_address_pool : (u32) ~ 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700146
147 a->address_key = mhash_set (&lm->address_to_if_address_index,
148 addr_fib, ai, /* old_value */ 0);
149 a->address_length = address_length;
150 a->sw_if_index = sw_if_index;
151 a->flags = 0;
152 a->prev_this_sw_interface = pi;
153 a->next_this_sw_interface = ~0;
154 if (prev)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500155 prev->next_this_sw_interface = ai;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700156
Dave Barachd7cb1b52016-12-09 09:52:16 -0500157 lm->if_address_pool_index_by_sw_if_index[sw_if_index] =
158 (hi != ~0) ? hi : ai;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700159 if (result_if_address_index)
160 *result_if_address_index = ai;
161 }
162 else
163 {
164 if (result_if_address_index)
165 *result_if_address_index = a - lm->if_address_pool;
166 }
Dave Barachd7cb1b52016-12-09 09:52:16 -0500167
Ed Warnickecb9cada2015-12-08 15:45:58 -0700168
169 return /* no error */ 0;
170}
171
Dave Barachd7cb1b52016-12-09 09:52:16 -0500172void
173ip_lookup_init (ip_lookup_main_t * lm, u32 is_ip6)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700174{
Dave Barachdbf19ca2016-03-15 10:21:54 +0100175 /* ensure that adjacency is cacheline aligned and sized */
Dave Barachd7cb1b52016-12-09 09:52:16 -0500176 STATIC_ASSERT (STRUCT_OFFSET_OF (ip_adjacency_t, cacheline0) == 0,
177 "Cache line marker must be 1st element in struct");
178 STATIC_ASSERT (STRUCT_OFFSET_OF (ip_adjacency_t, cacheline1) ==
179 CLIB_CACHE_LINE_BYTES,
180 "Data in cache line 0 is bigger than cache line size");
Dave Barachdbf19ca2016-03-15 10:21:54 +0100181
Dave Barachb2ef4dd2016-03-23 08:56:01 -0400182 /* Preallocate three "special" adjacencies */
Neale Ranns6c3ebcc2016-10-02 21:20:15 +0100183 lm->adjacency_heap = adj_pool;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700184
Dave Barachd7cb1b52016-12-09 09:52:16 -0500185 if (!lm->fib_result_n_bytes)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700186 lm->fib_result_n_bytes = sizeof (uword);
187
Ed Warnickecb9cada2015-12-08 15:45:58 -0700188 lm->is_ip6 = is_ip6;
189 if (is_ip6)
190 {
191 lm->format_address_and_length = format_ip6_address_and_length;
192 mhash_init (&lm->address_to_if_address_index, sizeof (uword),
193 sizeof (ip6_address_fib_t));
194 }
195 else
196 {
197 lm->format_address_and_length = format_ip4_address_and_length;
198 mhash_init (&lm->address_to_if_address_index, sizeof (uword),
199 sizeof (ip4_address_fib_t));
200 }
201
202 {
203 int i;
204
205 /* Setup all IP protocols to be punted and builtin-unknown. */
206 for (i = 0; i < 256; i++)
207 {
208 lm->local_next_by_ip_protocol[i] = IP_LOCAL_NEXT_PUNT;
209 lm->builtin_protocol_by_ip_protocol[i] = IP_BUILTIN_PROTOCOL_UNKNOWN;
210 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700211
212 lm->local_next_by_ip_protocol[IP_PROTOCOL_UDP] = IP_LOCAL_NEXT_UDP_LOOKUP;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500213 lm->local_next_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
214 IP_PROTOCOL_ICMP] = IP_LOCAL_NEXT_ICMP;
215 lm->builtin_protocol_by_ip_protocol[IP_PROTOCOL_UDP] =
216 IP_BUILTIN_PROTOCOL_UDP;
217 lm->builtin_protocol_by_ip_protocol[is_ip6 ? IP_PROTOCOL_ICMP6 :
218 IP_PROTOCOL_ICMP] =
219 IP_BUILTIN_PROTOCOL_ICMP;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700220 }
221}
222
Dave Barachd7cb1b52016-12-09 09:52:16 -0500223u8 *
224format_ip_flow_hash_config (u8 * s, va_list * args)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700225{
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100226 flow_hash_config_t flow_hash_config = va_arg (*args, u32);
Dave Barachd7cb1b52016-12-09 09:52:16 -0500227
Ed Warnickecb9cada2015-12-08 15:45:58 -0700228#define _(n,v) if (flow_hash_config & v) s = format (s, "%s ", #n);
229 foreach_flow_hash_bit;
230#undef _
231
232 return s;
233}
234
Dave Barachd7cb1b52016-12-09 09:52:16 -0500235u8 *
236format_ip_lookup_next (u8 * s, va_list * args)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700237{
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100238 ip_lookup_next_t n = va_arg (*args, ip_lookup_next_t);
Dave Barachd7cb1b52016-12-09 09:52:16 -0500239 char *t = 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700240
241 switch (n)
242 {
243 default:
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100244 s = format (s, "unknown %d", n);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700245 return s;
246
Dave Barachd7cb1b52016-12-09 09:52:16 -0500247 case IP_LOOKUP_NEXT_DROP:
248 t = "drop";
249 break;
250 case IP_LOOKUP_NEXT_PUNT:
251 t = "punt";
252 break;
253 case IP_LOOKUP_NEXT_ARP:
254 t = "arp";
255 break;
256 case IP_LOOKUP_NEXT_MIDCHAIN:
257 t = "midchain";
258 break;
259 case IP_LOOKUP_NEXT_GLEAN:
260 t = "glean";
261 break;
Neale Ranns32e1c012016-11-22 17:07:28 +0000262 case IP_LOOKUP_NEXT_MCAST:
263 t = "mcast";
264 break;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700265 case IP_LOOKUP_NEXT_REWRITE:
266 break;
267 }
268
269 if (t)
270 vec_add (s, t, strlen (t));
271
272 return s;
273}
274
Dave Barachd7cb1b52016-12-09 09:52:16 -0500275u8 *
276format_ip_adjacency_packet_data (u8 * s, va_list * args)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700277{
Dave Barachd7cb1b52016-12-09 09:52:16 -0500278 vnet_main_t *vnm = va_arg (*args, vnet_main_t *);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700279 u32 adj_index = va_arg (*args, u32);
Dave Barachd7cb1b52016-12-09 09:52:16 -0500280 u8 *packet_data = va_arg (*args, u8 *);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700281 u32 n_packet_data_bytes = va_arg (*args, u32);
Dave Barachd7cb1b52016-12-09 09:52:16 -0500282 ip_adjacency_t *adj = adj_get (adj_index);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700283
284 switch (adj->lookup_next_index)
285 {
286 case IP_LOOKUP_NEXT_REWRITE:
287 s = format (s, "%U",
288 format_vnet_rewrite_header,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500289 vnm->vlib_main, &adj->rewrite_header, packet_data,
290 n_packet_data_bytes);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700291 break;
292
293 default:
294 break;
295 }
296
297 return s;
298}
299
Dave Barachd7cb1b52016-12-09 09:52:16 -0500300static uword
301unformat_dpo (unformat_input_t * input, va_list * args)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700302{
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100303 dpo_id_t *dpo = va_arg (*args, dpo_id_t *);
304 fib_protocol_t fp = va_arg (*args, int);
305 dpo_proto_t proto;
306
Dave Barachd7cb1b52016-12-09 09:52:16 -0500307 proto = fib_proto_to_dpo (fp);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700308
309 if (unformat (input, "drop"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500310 dpo_copy (dpo, drop_dpo_get (proto));
Ed Warnickecb9cada2015-12-08 15:45:58 -0700311 else if (unformat (input, "punt"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500312 dpo_copy (dpo, punt_dpo_get (proto));
Ed Warnickecb9cada2015-12-08 15:45:58 -0700313 else if (unformat (input, "local"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500314 receive_dpo_add_or_lock (proto, ~0, NULL, dpo);
Neale Ranns948e00f2016-10-20 13:39:34 +0100315 else if (unformat (input, "null-send-unreach"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500316 ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_UNREACH, dpo);
Neale Ranns948e00f2016-10-20 13:39:34 +0100317 else if (unformat (input, "null-send-prohibit"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500318 ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_SEND_ICMP_PROHIBIT, dpo);
Neale Ranns948e00f2016-10-20 13:39:34 +0100319 else if (unformat (input, "null"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500320 ip_null_dpo_add_and_lock (proto, IP_NULL_ACTION_NONE, dpo);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700321 else if (unformat (input, "classify"))
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100322 {
323 u32 classify_table_index;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700324
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100325 if (!unformat (input, "%d", &classify_table_index))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500326 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100327 clib_warning ("classify adj must specify table index");
Dave Barachd7cb1b52016-12-09 09:52:16 -0500328 return 0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100329 }
330
Dave Barachd7cb1b52016-12-09 09:52:16 -0500331 dpo_set (dpo, DPO_CLASSIFY, proto,
332 classify_dpo_create (proto, classify_table_index));
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100333 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700334 else
335 return 0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100336
Ed Warnickecb9cada2015-12-08 15:45:58 -0700337 return 1;
338}
339
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100340const ip46_address_t zero_addr = {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500341 .as_u64 = {
342 0, 0},
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100343};
344
345u32
Dave Barachd7cb1b52016-12-09 09:52:16 -0500346fib_table_id_find_fib_index (fib_protocol_t proto, u32 table_id)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700347{
Dave Barachd7cb1b52016-12-09 09:52:16 -0500348 ip4_main_t *im4 = &ip4_main;
349 ip6_main_t *im6 = &ip6_main;
350 uword *p;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700351
Dave Barachd7cb1b52016-12-09 09:52:16 -0500352 switch (proto)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700353 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100354 case FIB_PROTOCOL_IP4:
Dave Barachd7cb1b52016-12-09 09:52:16 -0500355 p = hash_get (im4->fib_index_by_table_id, table_id);
356 break;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100357 case FIB_PROTOCOL_IP6:
Dave Barachd7cb1b52016-12-09 09:52:16 -0500358 p = hash_get (im6->fib_index_by_table_id, table_id);
359 break;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100360 default:
Dave Barachd7cb1b52016-12-09 09:52:16 -0500361 p = NULL;
362 break;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700363 }
Dave Barachd7cb1b52016-12-09 09:52:16 -0500364 if (NULL != p)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700365 {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500366 return (p[0]);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700367 }
Dave Barachd7cb1b52016-12-09 09:52:16 -0500368 return (~0);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700369}
370
371clib_error_t *
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100372vnet_ip_route_cmd (vlib_main_t * vm,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500373 unformat_input_t * main_input, vlib_cli_command_t * cmd)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700374{
Dave Barachd7cb1b52016-12-09 09:52:16 -0500375 unformat_input_t _line_input, *line_input = &_line_input;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100376 fib_route_path_t *rpaths = NULL, rpath;
Neale Ranns948e00f2016-10-20 13:39:34 +0100377 dpo_id_t dpo = DPO_INVALID, *dpos = NULL;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100378 fib_prefix_t *prefixs = NULL, pfx;
Neale Rannsad422ed2016-11-02 14:20:04 +0000379 mpls_label_t out_label, via_label;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500380 clib_error_t *error = NULL;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100381 u32 table_id, is_del;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500382 vnet_main_t *vnm;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100383 u32 fib_index;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700384 f64 count;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100385 int i;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700386
Dave Barachd7cb1b52016-12-09 09:52:16 -0500387 vnm = vnet_get_main ();
Ed Warnickecb9cada2015-12-08 15:45:58 -0700388 is_del = 0;
389 table_id = 0;
390 count = 1;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500391 memset (&pfx, 0, sizeof (pfx));
Neale Rannsad422ed2016-11-02 14:20:04 +0000392 out_label = via_label = MPLS_LABEL_INVALID;
Ed Warnickecb9cada2015-12-08 15:45:58 -0700393
394 /* Get a line of input. */
Dave Barachd7cb1b52016-12-09 09:52:16 -0500395 if (!unformat_user (main_input, unformat_line_input, line_input))
Ed Warnickecb9cada2015-12-08 15:45:58 -0700396 return 0;
397
Ed Warnickecb9cada2015-12-08 15:45:58 -0700398 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
399 {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500400 memset (&rpath, 0, sizeof (rpath));
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100401
Ed Warnickecb9cada2015-12-08 15:45:58 -0700402 if (unformat (line_input, "table %d", &table_id))
403 ;
404 else if (unformat (line_input, "del"))
405 is_del = 1;
406 else if (unformat (line_input, "add"))
407 is_del = 0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100408 else if (unformat (line_input, "resolve-via-host"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500409 {
410 if (vec_len (rpaths) == 0)
411 {
412 error = clib_error_return (0, "Paths then flags");
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100413 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500414 }
415 rpaths[vec_len (rpaths) - 1].frp_flags |=
416 FIB_ROUTE_PATH_RESOLVE_VIA_HOST;
417 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100418 else if (unformat (line_input, "resolve-via-attached"))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500419 {
420 if (vec_len (rpaths) == 0)
421 {
422 error = clib_error_return (0, "Paths then flags");
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100423 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500424 }
425 rpaths[vec_len (rpaths) - 1].frp_flags |=
426 FIB_ROUTE_PATH_RESOLVE_VIA_ATTACHED;
427 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100428 else if (unformat (line_input, "out-label %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500429 unformat_mpls_unicast_label, &out_label))
430 {
431 if (vec_len (rpaths) == 0)
432 {
433 error = clib_error_return (0, "Paths then labels");
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100434 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500435 }
436 vec_add1 (rpaths[vec_len (rpaths) - 1].frp_label_stack, out_label);
437 }
Neale Rannsad422ed2016-11-02 14:20:04 +0000438 else if (unformat (line_input, "via-label %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500439 unformat_mpls_unicast_label, &rpath.frp_local_label))
440 {
Neale Rannsad422ed2016-11-02 14:20:04 +0000441 rpath.frp_weight = 1;
442 rpath.frp_proto = FIB_PROTOCOL_MPLS;
443 rpath.frp_sw_if_index = ~0;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500444 vec_add1 (rpaths, rpath);
445 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700446 else if (unformat (line_input, "count %f", &count))
447 ;
448
449 else if (unformat (line_input, "%U/%d",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500450 unformat_ip4_address, &pfx.fp_addr.ip4, &pfx.fp_len))
451 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100452 pfx.fp_proto = FIB_PROTOCOL_IP4;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500453 vec_add1 (prefixs, pfx);
454 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700455 else if (unformat (line_input, "%U/%d",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500456 unformat_ip6_address, &pfx.fp_addr.ip6, &pfx.fp_len))
457 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100458 pfx.fp_proto = FIB_PROTOCOL_IP6;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500459 vec_add1 (prefixs, pfx);
460 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100461 else if (unformat (line_input, "via %U %U weight %u",
462 unformat_ip4_address,
463 &rpath.frp_addr.ip4,
464 unformat_vnet_sw_interface, vnm,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500465 &rpath.frp_sw_if_index, &rpath.frp_weight))
466 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100467 rpath.frp_proto = FIB_PROTOCOL_IP4;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500468 vec_add1 (rpaths, rpath);
469 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700470
471 else if (unformat (line_input, "via %U %U weight %u",
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100472 unformat_ip6_address,
473 &rpath.frp_addr.ip6,
474 unformat_vnet_sw_interface, vnm,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500475 &rpath.frp_sw_if_index, &rpath.frp_weight))
476 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100477 rpath.frp_proto = FIB_PROTOCOL_IP6;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500478 vec_add1 (rpaths, rpath);
479 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700480
481 else if (unformat (line_input, "via %U %U",
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100482 unformat_ip4_address,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500483 &rpath.frp_addr.ip4,
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100484 unformat_vnet_sw_interface, vnm,
485 &rpath.frp_sw_if_index))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500486 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100487 rpath.frp_weight = 1;
488 rpath.frp_proto = FIB_PROTOCOL_IP4;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500489 vec_add1 (rpaths, rpath);
490 }
491
Ed Warnickecb9cada2015-12-08 15:45:58 -0700492 else if (unformat (line_input, "via %U %U",
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100493 unformat_ip6_address,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500494 &rpath.frp_addr.ip6,
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100495 unformat_vnet_sw_interface, vnm,
496 &rpath.frp_sw_if_index))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500497 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100498 rpath.frp_weight = 1;
499 rpath.frp_proto = FIB_PROTOCOL_IP6;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500500 vec_add1 (rpaths, rpath);
501 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100502 else if (unformat (line_input, "via %U next-hop-table %d",
503 unformat_ip4_address,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500504 &rpath.frp_addr.ip4, &rpath.frp_fib_index))
505 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100506 rpath.frp_weight = 1;
507 rpath.frp_sw_if_index = ~0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100508 rpath.frp_proto = FIB_PROTOCOL_IP4;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500509 vec_add1 (rpaths, rpath);
510 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100511 else if (unformat (line_input, "via %U next-hop-table %d",
512 unformat_ip6_address,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500513 &rpath.frp_addr.ip6, &rpath.frp_fib_index))
514 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100515 rpath.frp_weight = 1;
516 rpath.frp_sw_if_index = ~0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100517 rpath.frp_proto = FIB_PROTOCOL_IP6;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500518 vec_add1 (rpaths, rpath);
519 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700520 else if (unformat (line_input, "via %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500521 unformat_ip4_address, &rpath.frp_addr.ip4))
522 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100523 /*
524 * the recursive next-hops are by default in the same table
525 * as the prefix
526 */
527 rpath.frp_fib_index = table_id;
528 rpath.frp_weight = 1;
529 rpath.frp_sw_if_index = ~0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100530 rpath.frp_proto = FIB_PROTOCOL_IP4;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500531 vec_add1 (rpaths, rpath);
532 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700533 else if (unformat (line_input, "via %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -0500534 unformat_ip6_address, &rpath.frp_addr.ip6))
535 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100536 rpath.frp_fib_index = table_id;
537 rpath.frp_weight = 1;
538 rpath.frp_sw_if_index = ~0;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100539 rpath.frp_proto = FIB_PROTOCOL_IP6;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500540 vec_add1 (rpaths, rpath);
541 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100542 else if (unformat (line_input,
Dave Barachd7cb1b52016-12-09 09:52:16 -0500543 "lookup in table %d", &rpath.frp_fib_index))
544 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100545 rpath.frp_proto = pfx.fp_proto;
Neale Ranns6c3ebcc2016-10-02 21:20:15 +0100546 rpath.frp_sw_if_index = ~0;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500547 vec_add1 (rpaths, rpath);
548 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100549 else if (vec_len (prefixs) > 0 &&
550 unformat (line_input, "via %U",
Neale Ranns8c2f05c2016-12-12 19:35:58 +0000551 unformat_vnet_sw_interface, vnm,
552 &rpath.frp_sw_if_index))
553 {
554 rpath.frp_weight = 1;
555 rpath.frp_proto = prefixs[0].fp_proto;
556 vec_add1 (rpaths, rpath);
557 }
558 else if (vec_len (prefixs) > 0 &&
559 unformat (line_input, "via %U",
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100560 unformat_dpo, &dpo, prefixs[0].fp_proto))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500561 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100562 vec_add1 (dpos, dpo);
Dave Barachd7cb1b52016-12-09 09:52:16 -0500563 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700564 else
Dave Barachd7cb1b52016-12-09 09:52:16 -0500565 {
Ed Warnickecb9cada2015-12-08 15:45:58 -0700566 error = unformat_parse_error (line_input);
567 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500568 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700569 }
Dave Barachd7cb1b52016-12-09 09:52:16 -0500570
Ed Warnickecb9cada2015-12-08 15:45:58 -0700571 unformat_free (line_input);
572
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100573 if (vec_len (prefixs) == 0)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500574 {
575 error =
576 clib_error_return (0, "expected ip4/ip6 destination address/length.");
Ed Warnickecb9cada2015-12-08 15:45:58 -0700577 goto done;
578 }
579
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100580 if (!is_del && vec_len (rpaths) + vec_len (dpos) == 0)
Ed Warnickecb9cada2015-12-08 15:45:58 -0700581 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100582 error = clib_error_return (0, "expected paths.");
Ed Warnickecb9cada2015-12-08 15:45:58 -0700583 goto done;
584 }
585
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100586 if (~0 == table_id)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500587 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100588 /*
589 * if no table_id is passed we will manipulate the default
590 */
591 fib_index = 0;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500592 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100593 else
Dave Barachd7cb1b52016-12-09 09:52:16 -0500594 {
595 fib_index = fib_table_id_find_fib_index (prefixs[0].fp_proto, table_id);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700596
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100597 if (~0 == fib_index)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500598 {
599 error = clib_error_return (0, "Nonexistent table id %d", table_id);
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100600 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500601 }
602 }
Ed Warnickecb9cada2015-12-08 15:45:58 -0700603
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100604 for (i = 0; i < vec_len (prefixs); i++)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500605 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100606 if (is_del && 0 == vec_len (rpaths))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500607 {
608 fib_table_entry_delete (fib_index, &prefixs[i], FIB_SOURCE_CLI);
609 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100610 else if (!is_del && 1 == vec_len (dpos))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500611 {
612 fib_table_entry_special_dpo_add (fib_index,
613 &prefixs[i],
614 FIB_SOURCE_CLI,
615 FIB_ENTRY_FLAG_EXCLUSIVE,
616 &dpos[0]);
617 dpo_reset (&dpos[0]);
618 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100619 else if (vec_len (dpos) > 0)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500620 {
621 error =
622 clib_error_return (0,
623 "Load-balancing over multiple special adjacencies is unsupported");
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100624 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500625 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100626 else if (0 < vec_len (rpaths))
Dave Barachd7cb1b52016-12-09 09:52:16 -0500627 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100628 u32 k, j, n, incr;
629 ip46_address_t dst = prefixs[i].fp_addr;
630 f64 t[2];
631 n = count;
632 t[0] = vlib_time_now (vm);
633 incr = 1 << ((FIB_PROTOCOL_IP4 == prefixs[0].fp_proto ? 32 : 128) -
634 prefixs[i].fp_len);
635
636 for (k = 0; k < n; k++)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500637 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100638 for (j = 0; j < vec_len (rpaths); j++)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500639 {
Neale Ranns3ee44042016-10-03 13:05:48 +0100640 u32 fi;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100641 /*
642 * the CLI parsing stored table Ids, swap to FIB indicies
643 */
Dave Barachd7cb1b52016-12-09 09:52:16 -0500644 fi = fib_table_id_find_fib_index (prefixs[i].fp_proto,
645 rpaths[i].frp_fib_index);
Neale Ranns3ee44042016-10-03 13:05:48 +0100646
647 if (~0 == fi)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500648 {
649 error =
650 clib_error_return (0, "Via table %d does not exist",
651 rpaths[i].frp_fib_index);
Neale Ranns3ee44042016-10-03 13:05:48 +0100652 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500653 }
Neale Ranns3ee44042016-10-03 13:05:48 +0100654 rpaths[i].frp_fib_index = fi;
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100655
656 fib_prefix_t rpfx = {
Dave Barachd7cb1b52016-12-09 09:52:16 -0500657 .fp_len = prefixs[i].fp_len,
658 .fp_proto = prefixs[i].fp_proto,
659 .fp_addr = dst,
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100660 };
661
Dave Barachd7cb1b52016-12-09 09:52:16 -0500662 if (is_del)
663 fib_table_entry_path_remove2 (fib_index,
664 &rpfx,
665 FIB_SOURCE_CLI, &rpaths[j]);
666 else
667 fib_table_entry_path_add2 (fib_index,
668 &rpfx,
669 FIB_SOURCE_CLI,
670 FIB_ENTRY_FLAG_NONE,
671 &rpaths[j]);
672 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100673
674 if (FIB_PROTOCOL_IP4 == prefixs[0].fp_proto)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500675 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100676 dst.ip4.as_u32 =
Dave Barachd7cb1b52016-12-09 09:52:16 -0500677 clib_host_to_net_u32 (incr +
678 clib_net_to_host_u32 (dst.
679 ip4.as_u32));
680 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100681 else
Dave Barachd7cb1b52016-12-09 09:52:16 -0500682 {
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100683 int bucket = (incr < 64 ? 0 : 1);
684 dst.ip6.as_u64[bucket] =
Dave Barachd7cb1b52016-12-09 09:52:16 -0500685 clib_host_to_net_u64 (incr +
686 clib_net_to_host_u64 (dst.ip6.as_u64
687 [bucket]));
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100688
Dave Barachd7cb1b52016-12-09 09:52:16 -0500689 }
690 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100691 t[1] = vlib_time_now (vm);
692 if (count > 1)
Dave Barachd7cb1b52016-12-09 09:52:16 -0500693 vlib_cli_output (vm, "%.6e routes/sec", count / (t[1] - t[0]));
694 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100695 else
Dave Barachd7cb1b52016-12-09 09:52:16 -0500696 {
697 error = clib_error_return (0, "Don't understand what you want...");
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100698 goto done;
Dave Barachd7cb1b52016-12-09 09:52:16 -0500699 }
700 }
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100701
702
Dave Barachd7cb1b52016-12-09 09:52:16 -0500703done:
Neale Ranns0bfe5d82016-08-25 15:29:12 +0100704 vec_free (dpos);
705 vec_free (prefixs);
706 vec_free (rpaths);
Ed Warnickecb9cada2015-12-08 15:45:58 -0700707 return error;
708}
709
Dave Barachd7cb1b52016-12-09 09:52:16 -0500710/* *INDENT-OFF* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700711VLIB_CLI_COMMAND (vlib_cli_ip_command, static) = {
712 .path = "ip",
713 .short_help = "Internet protocol (IP) commands",
714};
Dave Barachd7cb1b52016-12-09 09:52:16 -0500715/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700716
Dave Barachd7cb1b52016-12-09 09:52:16 -0500717/* *INDENT-OFF* */
Billy McFall0683c9c2016-10-13 08:27:31 -0400718VLIB_CLI_COMMAND (vlib_cli_ip6_command, static) = {
719 .path = "ip6",
720 .short_help = "Internet protocol version 6 (IPv6) commands",
721};
Dave Barachd7cb1b52016-12-09 09:52:16 -0500722/* *INDENT-ON* */
Billy McFall0683c9c2016-10-13 08:27:31 -0400723
Dave Barachd7cb1b52016-12-09 09:52:16 -0500724/* *INDENT-OFF* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700725VLIB_CLI_COMMAND (vlib_cli_show_ip_command, static) = {
726 .path = "show ip",
727 .short_help = "Internet protocol (IP) show commands",
728};
Dave Barachd7cb1b52016-12-09 09:52:16 -0500729/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700730
Dave Barachd7cb1b52016-12-09 09:52:16 -0500731/* *INDENT-OFF* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700732VLIB_CLI_COMMAND (vlib_cli_show_ip6_command, static) = {
733 .path = "show ip6",
Billy McFall0683c9c2016-10-13 08:27:31 -0400734 .short_help = "Internet protocol version 6 (IPv6) show commands",
Ed Warnickecb9cada2015-12-08 15:45:58 -0700735};
Dave Barachd7cb1b52016-12-09 09:52:16 -0500736/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700737
Keith Burns (alagalah)6ef7bb92016-09-10 14:55:04 -0700738/*?
Billy McFall0683c9c2016-10-13 08:27:31 -0400739 * This command is used to add or delete IPv4 or IPv6 routes. All
740 * IP Addresses ('<em><dst-ip-addr>/<width></em>',
741 * '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
742 * can be IPv4 or IPv6, but all must be of the same form in a single
743 * command. To display the current set of routes, use the commands
744 * '<em>show ip fib</em>' and '<em>show ip6 fib</em>'.
745 *
Keith Burns (alagalah)6ef7bb92016-09-10 14:55:04 -0700746 * @cliexpar
Billy McFall0683c9c2016-10-13 08:27:31 -0400747 * Example of how to add a straight forward static route:
748 * @cliexcmd{ip route add 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
749 * Example of how to delete a straight forward static route:
750 * @cliexcmd{ip route del 6.0.1.2/32 via 6.0.0.1 GigabitEthernet2/0/0}
Keith Burns (alagalah)6ef7bb92016-09-10 14:55:04 -0700751 * Mainly for route add/del performance testing, one can add or delete
752 * multiple routes by adding 'count N' to the previous item:
Billy McFall0683c9c2016-10-13 08:27:31 -0400753 * @cliexcmd{ip route add count 10 7.0.0.0/24 via 6.0.0.1 GigabitEthernet2/0/0}
Keith Burns (alagalah)6ef7bb92016-09-10 14:55:04 -0700754 * Add multiple routes for the same destination to create equal-cost multipath:
Billy McFall0683c9c2016-10-13 08:27:31 -0400755 * @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0}
756 * @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0}
757 * For unequal-cost multipath, specify the desired weights. This
758 * combination of weights results in 3/4 of the traffic following the
759 * second path, 1/4 following the first path:
760 * @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.1 GigabitEthernet2/0/0 weight 1}
761 * @cliexcmd{ip route add 7.0.0.1/32 via 6.0.0.2 GigabitEthernet2/0/0 weight 3}
762 * To add a route to a particular FIB table (VRF), use:
763 * @cliexcmd{ip route add 172.16.24.0/24 table 7 via GigabitEthernet2/0/0}
Keith Burns (alagalah)6ef7bb92016-09-10 14:55:04 -0700764 ?*/
Billy McFall0683c9c2016-10-13 08:27:31 -0400765/* *INDENT-OFF* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700766VLIB_CLI_COMMAND (ip_route_command, static) = {
767 .path = "ip route",
Billy McFall0683c9c2016-10-13 08:27:31 -0400768 .short_help = "ip route [add|del] [count <n>] <dst-ip-addr>/<width> [table <table-id>] [via <next-hop-ip-addr> [<interface>] [weight <weight>]] | [via arp <interface> <adj-hop-ip-addr>] | [via drop|punt|local<id>|arp|classify <classify-idx>] [lookup in table <out-table-id>]",
Ed Warnickecb9cada2015-12-08 15:45:58 -0700769 .function = vnet_ip_route_cmd,
Dave Barachb2ef4dd2016-03-23 08:56:01 -0400770 .is_mp_safe = 1,
Ed Warnickecb9cada2015-12-08 15:45:58 -0700771};
Billy McFall0683c9c2016-10-13 08:27:31 -0400772/* *INDENT-ON* */
Ed Warnickecb9cada2015-12-08 15:45:58 -0700773
Neale Ranns32e1c012016-11-22 17:07:28 +0000774clib_error_t *
775vnet_ip_mroute_cmd (vlib_main_t * vm,
776 unformat_input_t * main_input, vlib_cli_command_t * cmd)
777{
778 unformat_input_t _line_input, *line_input = &_line_input;
779 clib_error_t *error = NULL;
780 fib_route_path_t rpath;
781 u32 table_id, is_del;
782 vnet_main_t *vnm;
783 mfib_prefix_t pfx;
784 u32 fib_index;
785 mfib_itf_flags_t iflags = 0;
786 mfib_entry_flags_t eflags = 0;
Neale Ranns52456fc2017-02-15 00:38:27 -0800787 u32 gcount, scount, ss, gg, incr;
788 f64 timet[2];
Neale Ranns32e1c012016-11-22 17:07:28 +0000789
Neale Ranns52456fc2017-02-15 00:38:27 -0800790 gcount = scount = 1;
Neale Ranns32e1c012016-11-22 17:07:28 +0000791 vnm = vnet_get_main ();
792 is_del = 0;
793 table_id = 0;
794 memset (&pfx, 0, sizeof (pfx));
795 memset (&rpath, 0, sizeof (rpath));
796 rpath.frp_sw_if_index = ~0;
797
798 /* Get a line of input. */
799 if (!unformat_user (main_input, unformat_line_input, line_input))
800 return 0;
801
802 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
803 {
804 if (unformat (line_input, "table %d", &table_id))
805 ;
806 else if (unformat (line_input, "del"))
807 is_del = 1;
808 else if (unformat (line_input, "add"))
809 is_del = 0;
Neale Ranns52456fc2017-02-15 00:38:27 -0800810 else if (unformat (line_input, "scount %d", &scount))
811 ;
812 else if (unformat (line_input, "gcount %d", &gcount))
813 ;
Neale Ranns32e1c012016-11-22 17:07:28 +0000814 else if (unformat (line_input, "%U %U",
815 unformat_ip4_address,
816 &pfx.fp_src_addr.ip4,
817 unformat_ip4_address, &pfx.fp_grp_addr.ip4))
818 {
819 pfx.fp_proto = FIB_PROTOCOL_IP4;
820 pfx.fp_len = 64;
821 }
822 else if (unformat (line_input, "%U %U",
823 unformat_ip6_address,
824 &pfx.fp_src_addr.ip6,
825 unformat_ip6_address, &pfx.fp_grp_addr.ip6))
826 {
827 pfx.fp_proto = FIB_PROTOCOL_IP6;
828 pfx.fp_len = 256;
829 }
830 else if (unformat (line_input, "%U/%d",
831 unformat_ip4_address,
832 &pfx.fp_grp_addr.ip4, &pfx.fp_len))
833 {
834 pfx.fp_proto = FIB_PROTOCOL_IP4;
835 }
836 else if (unformat (line_input, "%U/%d",
837 unformat_ip6_address,
838 &pfx.fp_grp_addr.ip6, &pfx.fp_len))
839 {
840 pfx.fp_proto = FIB_PROTOCOL_IP6;
841 }
842 else if (unformat (line_input, "%U",
843 unformat_ip4_address, &pfx.fp_grp_addr.ip4))
844 {
845 memset (&pfx.fp_src_addr.ip4, 0, sizeof (pfx.fp_src_addr.ip4));
846 pfx.fp_proto = FIB_PROTOCOL_IP4;
847 pfx.fp_len = 32;
848 }
849 else if (unformat (line_input, "%U",
850 unformat_ip6_address, &pfx.fp_grp_addr.ip6))
851 {
852 memset (&pfx.fp_src_addr.ip6, 0, sizeof (pfx.fp_src_addr.ip6));
853 pfx.fp_proto = FIB_PROTOCOL_IP6;
854 pfx.fp_len = 128;
855 }
856 else if (unformat (line_input, "via %U",
857 unformat_vnet_sw_interface, vnm,
858 &rpath.frp_sw_if_index))
859 {
860 rpath.frp_weight = 1;
861 rpath.frp_proto = FIB_PROTOCOL_IP4;
862 }
863 else if (unformat (line_input, "%U", unformat_mfib_itf_flags, &iflags))
864 ;
865 else if (unformat (line_input, "%U",
866 unformat_mfib_entry_flags, &eflags))
867 ;
868 else
869 {
870 error = unformat_parse_error (line_input);
871 goto done;
872 }
873 }
874
875 unformat_free (line_input);
876
877 if (~0 == table_id)
878 {
879 /*
880 * if no table_id is passed we will manipulate the default
881 */
882 fib_index = 0;
883 }
884 else
885 {
886 fib_index = mfib_table_find (pfx.fp_proto, table_id);
887
888 if (~0 == fib_index)
889 {
890 error = clib_error_return (0, "Nonexistent table id %d", table_id);
891 goto done;
892 }
893 }
894
Neale Ranns52456fc2017-02-15 00:38:27 -0800895 timet[0] = vlib_time_now (vm);
896
897 if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
Neale Ranns32e1c012016-11-22 17:07:28 +0000898 {
Neale Ranns52456fc2017-02-15 00:38:27 -0800899 incr = 1 << (32 - (pfx.fp_len % 32));
Neale Ranns32e1c012016-11-22 17:07:28 +0000900 }
901 else
902 {
Neale Ranns52456fc2017-02-15 00:38:27 -0800903 incr = 1 << (128 - (pfx.fp_len % 128));
Neale Ranns32e1c012016-11-22 17:07:28 +0000904 }
905
Neale Ranns52456fc2017-02-15 00:38:27 -0800906 for (ss = 0; ss < scount; ss++)
907 {
908 for (gg = 0; gg < gcount; gg++)
909 {
910 if (is_del && 0 == rpath.frp_weight)
911 {
912 /* no path provided => route delete */
913 mfib_table_entry_delete (fib_index, &pfx, MFIB_SOURCE_CLI);
914 }
915 else if (eflags)
916 {
917 mfib_table_entry_update (fib_index, &pfx, MFIB_SOURCE_CLI,
918 eflags);
919 }
920 else
921 {
922 if (is_del)
923 mfib_table_entry_path_remove (fib_index,
924 &pfx, MFIB_SOURCE_CLI, &rpath);
925 else
926 mfib_table_entry_path_update (fib_index,
927 &pfx, MFIB_SOURCE_CLI, &rpath,
928 iflags);
929 }
930
931 if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
932 {
933 pfx.fp_grp_addr.ip4.as_u32 =
934 clib_host_to_net_u32 (incr +
935 clib_net_to_host_u32 (pfx.
936 fp_grp_addr.ip4.
937 as_u32));
938 }
939 else
940 {
941 int bucket = (incr < 64 ? 0 : 1);
942 pfx.fp_grp_addr.ip6.as_u64[bucket] =
943 clib_host_to_net_u64 (incr +
944 clib_net_to_host_u64 (pfx.
945 fp_grp_addr.ip6.as_u64
946 [bucket]));
947
948 }
949 }
950 if (FIB_PROTOCOL_IP4 == pfx.fp_proto)
951 {
952 pfx.fp_src_addr.ip4.as_u32 =
953 clib_host_to_net_u32 (1 +
954 clib_net_to_host_u32 (pfx.fp_src_addr.
955 ip4.as_u32));
956 }
957 else
958 {
959 pfx.fp_src_addr.ip6.as_u64[1] =
960 clib_host_to_net_u64 (1 +
961 clib_net_to_host_u64 (pfx.fp_src_addr.
962 ip6.as_u64[1]));
963 }
964 }
965
966 timet[1] = vlib_time_now (vm);
967
968 if (scount > 1 || gcount > 1)
969 vlib_cli_output (vm, "%.6e routes/sec",
970 (scount * gcount) / (timet[1] - timet[0]));
971
Neale Ranns32e1c012016-11-22 17:07:28 +0000972done:
973 return error;
974}
975
976/*?
977 * This command is used to add or delete IPv4 or IPv6 multicastroutes. All
978 * IP Addresses ('<em><dst-ip-addr>/<width></em>',
979 * '<em><next-hop-ip-addr></em>' and '<em><adj-hop-ip-addr></em>')
980 * can be IPv4 or IPv6, but all must be of the same form in a single
981 * command. To display the current set of routes, use the commands
982 * '<em>show ip mfib</em>' and '<em>show ip6 mfib</em>'.
983 * The full set of support flags for interfaces and route is shown via;
984 * '<em>show mfib route flags</em>' and '<em>show mfib itf flags</em>'
985 * respectively.
986 * @cliexpar
987 * Example of how to add a forwarding interface to a route (and create the
988 * route if it does not exist)
989 * @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/0 Forward}
990 * Example of how to add an accepting interface to a route (and create the
991 * route if it does not exist)
992 * @cliexcmd{ip mroute add 232.1.1.1 via GigabitEthernet2/0/1 Accept}
993 * Example of changing the route's flags to send signals via the API
994 * @cliexcmd{ip mroute add 232.1.1.1 Signal}
995
996 ?*/
997/* *INDENT-OFF* */
998VLIB_CLI_COMMAND (ip_mroute_command, static) =
999{
1000 .path = "ip mroute",
1001 .short_help = "ip mroute [add|del] <dst-ip-addr>/<width> [table <table-id>] [via <next-hop-ip-addr> [<interface>],",
1002 .function = vnet_ip_mroute_cmd,
1003 .is_mp_safe = 1,
1004};
1005/* *INDENT-ON* */
1006
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001007/*
Ed Warnickecb9cada2015-12-08 15:45:58 -07001008 * The next two routines address a longstanding script hemorrhoid.
1009 * Probing a v4 or v6 neighbor needs to appear to be synchronous,
1010 * or dependent route-adds will simply fail.
1011 */
1012static clib_error_t *
Dave Barachd7cb1b52016-12-09 09:52:16 -05001013ip6_probe_neighbor_wait (vlib_main_t * vm, ip6_address_t * a, u32 sw_if_index,
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001014 int retry_count)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001015{
Dave Barachd7cb1b52016-12-09 09:52:16 -05001016 vnet_main_t *vnm = vnet_get_main ();
1017 clib_error_t *e;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001018 int i;
1019 int resolved = 0;
1020 uword event_type;
1021 uword *event_data = 0;
1022
Dave Barachd7cb1b52016-12-09 09:52:16 -05001023 ASSERT (vlib_in_process_context (vm));
Ed Warnickecb9cada2015-12-08 15:45:58 -07001024
1025 if (retry_count > 0)
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001026 vnet_register_ip6_neighbor_resolution_event
Ed Warnickecb9cada2015-12-08 15:45:58 -07001027 (vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
Dave Barachd7cb1b52016-12-09 09:52:16 -05001028 1 /* event */ , 0 /* data */ );
Ed Warnickecb9cada2015-12-08 15:45:58 -07001029
1030 for (i = 0; i < retry_count; i++)
1031 {
1032 /* The interface may be down, etc. */
1033 e = ip6_probe_neighbor (vm, a, sw_if_index);
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001034
Ed Warnickecb9cada2015-12-08 15:45:58 -07001035 if (e)
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001036 return e;
1037
Ed Warnickecb9cada2015-12-08 15:45:58 -07001038 vlib_process_wait_for_event_or_clock (vm, 1.0);
1039 event_type = vlib_process_get_events (vm, &event_data);
Neale Ranns0bfe5d82016-08-25 15:29:12 +01001040 switch (event_type)
1041 {
Dave Barachd7cb1b52016-12-09 09:52:16 -05001042 case 1: /* resolved... */
1043 vlib_cli_output (vm, "Resolved %U", format_ip6_address, a);
1044 resolved = 1;
1045 goto done;
1046
1047 case ~0: /* timeout */
1048 break;
1049
1050 default:
1051 clib_warning ("unknown event_type %d", event_type);
1052 }
Dave Barachb2ef4dd2016-03-23 08:56:01 -04001053 vec_reset_length (event_data);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001054 }
Dave Barachd7cb1b52016-12-09 09:52:16 -05001055
1056done:
Ed Warnickecb9cada2015-12-08 15:45:58 -07001057
1058 if (!resolved)
1059 return clib_error_return (0, "Resolution failed for %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -05001060 format_ip6_address, a);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001061 return 0;
1062}
1063
1064static clib_error_t *
Dave Barachd7cb1b52016-12-09 09:52:16 -05001065ip4_probe_neighbor_wait (vlib_main_t * vm, ip4_address_t * a, u32 sw_if_index,
1066 int retry_count)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001067{
Dave Barachd7cb1b52016-12-09 09:52:16 -05001068 vnet_main_t *vnm = vnet_get_main ();
1069 clib_error_t *e;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001070 int i;
1071 int resolved = 0;
1072 uword event_type;
1073 uword *event_data = 0;
1074
Dave Barachd7cb1b52016-12-09 09:52:16 -05001075 ASSERT (vlib_in_process_context (vm));
Ed Warnickecb9cada2015-12-08 15:45:58 -07001076
1077 if (retry_count > 0)
Dave Barachd7cb1b52016-12-09 09:52:16 -05001078 vnet_register_ip4_arp_resolution_event
Ed Warnickecb9cada2015-12-08 15:45:58 -07001079 (vnm, a, vlib_get_current_process (vm)->node_runtime.node_index,
Dave Barachd7cb1b52016-12-09 09:52:16 -05001080 1 /* event */ , 0 /* data */ );
1081
Ed Warnickecb9cada2015-12-08 15:45:58 -07001082 for (i = 0; i < retry_count; i++)
1083 {
1084 /* The interface may be down, etc. */
1085 e = ip4_probe_neighbor (vm, a, sw_if_index);
Dave Barachd7cb1b52016-12-09 09:52:16 -05001086
Ed Warnickecb9cada2015-12-08 15:45:58 -07001087 if (e)
Dave Barachd7cb1b52016-12-09 09:52:16 -05001088 return e;
1089
Ed Warnickecb9cada2015-12-08 15:45:58 -07001090 vlib_process_wait_for_event_or_clock (vm, 1.0);
1091 event_type = vlib_process_get_events (vm, &event_data);
Dave Barachd7cb1b52016-12-09 09:52:16 -05001092 switch (event_type)
1093 {
1094 case 1: /* resolved... */
1095 vlib_cli_output (vm, "Resolved %U", format_ip4_address, a);
1096 resolved = 1;
1097 goto done;
1098
1099 case ~0: /* timeout */
1100 break;
1101
1102 default:
1103 clib_warning ("unknown event_type %d", event_type);
1104 }
Dave Barachb2ef4dd2016-03-23 08:56:01 -04001105 vec_reset_length (event_data);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001106 }
Dave Barachd7cb1b52016-12-09 09:52:16 -05001107
1108done:
Ed Warnickecb9cada2015-12-08 15:45:58 -07001109
1110 vec_reset_length (event_data);
1111
1112 if (!resolved)
1113 return clib_error_return (0, "Resolution failed for %U",
Dave Barachd7cb1b52016-12-09 09:52:16 -05001114 format_ip4_address, a);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001115 return 0;
1116}
1117
1118static clib_error_t *
1119probe_neighbor_address (vlib_main_t * vm,
Dave Barachd7cb1b52016-12-09 09:52:16 -05001120 unformat_input_t * input, vlib_cli_command_t * cmd)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001121{
Dave Barachd7cb1b52016-12-09 09:52:16 -05001122 vnet_main_t *vnm = vnet_get_main ();
1123 unformat_input_t _line_input, *line_input = &_line_input;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001124 ip4_address_t a4;
1125 ip6_address_t a6;
Dave Barachd7cb1b52016-12-09 09:52:16 -05001126 clib_error_t *error = 0;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001127 u32 sw_if_index = ~0;
1128 int retry_count = 3;
1129 int is_ip4 = 1;
1130 int address_set = 0;
1131
1132 /* Get a line of input. */
Dave Barachd7cb1b52016-12-09 09:52:16 -05001133 if (!unformat_user (input, unformat_line_input, line_input))
Ed Warnickecb9cada2015-12-08 15:45:58 -07001134 return 0;
1135
Dave Barachd7cb1b52016-12-09 09:52:16 -05001136 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
Ed Warnickecb9cada2015-12-08 15:45:58 -07001137 {
Dave Barachd7cb1b52016-12-09 09:52:16 -05001138 if (unformat_user (line_input, unformat_vnet_sw_interface, vnm,
1139 &sw_if_index))
1140 ;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001141 else if (unformat (line_input, "retry %d", &retry_count))
Dave Barachd7cb1b52016-12-09 09:52:16 -05001142 ;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001143
1144 else if (unformat (line_input, "%U", unformat_ip4_address, &a4))
Dave Barachd7cb1b52016-12-09 09:52:16 -05001145 address_set++;
Ed Warnickecb9cada2015-12-08 15:45:58 -07001146 else if (unformat (line_input, "%U", unformat_ip6_address, &a6))
Dave Barachd7cb1b52016-12-09 09:52:16 -05001147 {
1148 address_set++;
1149 is_ip4 = 0;
1150 }
Ed Warnickecb9cada2015-12-08 15:45:58 -07001151 else
Dave Barachd7cb1b52016-12-09 09:52:16 -05001152 return clib_error_return (0, "unknown input '%U'",
1153 format_unformat_error, line_input);
Ed Warnickecb9cada2015-12-08 15:45:58 -07001154 }
1155
1156 unformat_free (line_input);
1157
1158 if (sw_if_index == ~0)
1159 return clib_error_return (0, "Interface required, not set.");
1160 if (address_set == 0)
1161 return clib_error_return (0, "ip address required, not set.");
1162 if (address_set > 1)
1163 return clib_error_return (0, "Multiple ip addresses not supported.");
Dave Barachd7cb1b52016-12-09 09:52:16 -05001164
Ed Warnickecb9cada2015-12-08 15:45:58 -07001165 if (is_ip4)
1166 error = ip4_probe_neighbor_wait (vm, &a4, sw_if_index, retry_count);
Dave Barachd7cb1b52016-12-09 09:52:16 -05001167 else
Ed Warnickecb9cada2015-12-08 15:45:58 -07001168 error = ip6_probe_neighbor_wait (vm, &a6, sw_if_index, retry_count);
1169
1170 return error;
1171}
1172
Billy McFall0683c9c2016-10-13 08:27:31 -04001173/*?
1174 * The '<em>ip probe-neighbor</em>' command ARPs for IPv4 addresses or
1175 * attempts IPv6 neighbor discovery depending on the supplied IP address
1176 * format.
1177 *
1178 * @note This command will not immediately affect the indicated FIB; it
1179 * is not suitable for use in establishing a FIB entry prior to adding
1180 * recursive FIB entries. As in: don't use it in a script to probe a
1181 * gateway prior to adding a default route. It won't work. Instead,
1182 * configure a static ARP cache entry [see '<em>set ip arp</em>'], or
1183 * a static IPv6 neighbor [see '<em>set ip6 neighbor</em>'].
1184 *
1185 * @cliexpar
1186 * Example of probe for an IPv4 address:
1187 * @cliexcmd{ip probe-neighbor GigabitEthernet2/0/0 172.16.1.2}
1188?*/
1189/* *INDENT-OFF* */
Ed Warnickecb9cada2015-12-08 15:45:58 -07001190VLIB_CLI_COMMAND (ip_probe_neighbor_command, static) = {
1191 .path = "ip probe-neighbor",
1192 .function = probe_neighbor_address,
Billy McFall0683c9c2016-10-13 08:27:31 -04001193 .short_help = "ip probe-neighbor <interface> <ip4-addr> | <ip6-addr> [retry nn]",
Dave Barachb2ef4dd2016-03-23 08:56:01 -04001194 .is_mp_safe = 1,
Ed Warnickecb9cada2015-12-08 15:45:58 -07001195};
Billy McFall0683c9c2016-10-13 08:27:31 -04001196/* *INDENT-ON* */
Dave Barachd7cb1b52016-12-09 09:52:16 -05001197
1198/*
1199 * fd.io coding-style-patch-verification: ON
1200 *
1201 * Local Variables:
1202 * eval: (c-set-style "gnu")
1203 * End:
1204 */