Line data Source code
1 : /*
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/ip4_cli.c: ip4 commands
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 :
40 : #include <vnet/ip/ip.h>
41 : #include <vnet/ip/reass/ip4_full_reass.h>
42 : #include <vnet/ip/reass/ip6_full_reass.h>
43 :
44 : /**
45 : * @file
46 : * @brief Set IP Address.
47 : *
48 : * Configure an IPv4 or IPv6 address for on an interface.
49 : */
50 :
51 :
52 : int
53 2126310 : ip4_address_compare (ip4_address_t * a1, ip4_address_t * a2)
54 : {
55 4252630 : return clib_net_to_host_u32 (a1->data_u32) -
56 2126310 : clib_net_to_host_u32 (a2->data_u32);
57 : }
58 :
59 : int
60 345 : ip6_address_compare (ip6_address_t * a1, ip6_address_t * a2)
61 : {
62 : int i;
63 2103 : for (i = 0; i < ARRAY_LEN (a1->as_u16); i++)
64 : {
65 1897 : int cmp =
66 1897 : clib_net_to_host_u16 (a1->as_u16[i]) -
67 1897 : clib_net_to_host_u16 (a2->as_u16[i]);
68 1897 : if (cmp != 0)
69 139 : return cmp;
70 : }
71 206 : return 0;
72 : }
73 :
74 : /* *INDENT-OFF* */
75 285289 : VLIB_CLI_COMMAND (set_interface_ip_command, static) = {
76 : .path = "set interface ip",
77 : .short_help = "IP4/IP6 commands",
78 : };
79 : /* *INDENT-ON* */
80 :
81 : void
82 4186 : ip_del_all_interface_addresses (vlib_main_t * vm, u32 sw_if_index)
83 : {
84 4186 : ip4_main_t *im4 = &ip4_main;
85 4186 : ip4_address_t *ip4_addrs = 0;
86 4186 : u32 *ip4_masks = 0;
87 4186 : ip6_main_t *im6 = &ip6_main;
88 4186 : ip6_address_t *ip6_addrs = 0;
89 4186 : u32 *ip6_masks = 0;
90 : ip_interface_address_t *ia;
91 : int i;
92 :
93 : /* *INDENT-OFF* */
94 4449 : foreach_ip_interface_address (&im4->lookup_main, ia, sw_if_index,
95 : 0 /* honor unnumbered */,
96 : ({
97 : ip4_address_t * x = (ip4_address_t *)
98 : ip_interface_address_get_address (&im4->lookup_main, ia);
99 : vec_add1 (ip4_addrs, x[0]);
100 : vec_add1 (ip4_masks, ia->address_length);
101 : }));
102 : /* *INDENT-ON* */
103 :
104 : /* *INDENT-OFF* */
105 4410 : foreach_ip_interface_address (&im6->lookup_main, ia, sw_if_index,
106 : 0 /* honor unnumbered */,
107 : ({
108 : ip6_address_t * x = (ip6_address_t *)
109 : ip_interface_address_get_address (&im6->lookup_main, ia);
110 : vec_add1 (ip6_addrs, x[0]);
111 : vec_add1 (ip6_masks, ia->address_length);
112 : }));
113 : /* *INDENT-ON* */
114 :
115 4449 : for (i = 0; i < vec_len (ip4_addrs); i++)
116 263 : ip4_add_del_interface_address (vm, sw_if_index, &ip4_addrs[i],
117 263 : ip4_masks[i], 1 /* is_del */ );
118 4410 : for (i = 0; i < vec_len (ip6_addrs); i++)
119 224 : ip6_add_del_interface_address (vm, sw_if_index, &ip6_addrs[i],
120 224 : ip6_masks[i], 1 /* is_del */ );
121 :
122 4186 : vec_free (ip4_addrs);
123 4186 : vec_free (ip4_masks);
124 4186 : vec_free (ip6_addrs);
125 4186 : vec_free (ip6_masks);
126 4186 : }
127 :
128 : static clib_error_t *
129 10614 : ip_address_delete_cleanup (vnet_main_t * vnm, u32 hw_if_index, u32 is_create)
130 : {
131 10614 : vlib_main_t *vm = vlib_get_main ();
132 : vnet_hw_interface_t *hw;
133 :
134 10614 : if (is_create)
135 6428 : return 0;
136 :
137 4186 : hw = vnet_get_hw_interface (vnm, hw_if_index);
138 :
139 4186 : ip_del_all_interface_addresses (vm, hw->sw_if_index);
140 4186 : return 0;
141 : }
142 :
143 1151 : VNET_HW_INTERFACE_ADD_DEL_FUNCTION (ip_address_delete_cleanup);
144 :
145 : static clib_error_t *
146 6 : add_del_ip_address (vlib_main_t * vm,
147 : unformat_input_t * input, vlib_cli_command_t * cmd)
148 : {
149 6 : vnet_main_t *vnm = vnet_get_main ();
150 : ip4_address_t a4;
151 : ip6_address_t a6;
152 6 : clib_error_t *error = 0;
153 : u32 sw_if_index, length, is_del;
154 :
155 6 : sw_if_index = ~0;
156 6 : is_del = 0;
157 :
158 6 : if (unformat (input, "del"))
159 0 : is_del = 1;
160 :
161 6 : if (!unformat_user (input, unformat_vnet_sw_interface, vnm, &sw_if_index))
162 : {
163 0 : error = clib_error_return (0, "unknown interface `%U'",
164 : format_unformat_error, input);
165 0 : goto done;
166 : }
167 :
168 6 : if (is_del && unformat (input, "all"))
169 0 : ip_del_all_interface_addresses (vm, sw_if_index);
170 6 : else if (unformat (input, "%U/%d", unformat_ip4_address, &a4, &length))
171 5 : error = ip4_add_del_interface_address (vm, sw_if_index, &a4, length,
172 : is_del);
173 1 : else if (unformat (input, "%U/%d", unformat_ip6_address, &a6, &length))
174 1 : error = ip6_add_del_interface_address (vm, sw_if_index, &a6, length,
175 : is_del);
176 : else
177 : {
178 0 : error = clib_error_return (0, "expected IP4/IP6 address/length `%U'",
179 : format_unformat_error, input);
180 0 : goto done;
181 : }
182 :
183 :
184 6 : done:
185 6 : return error;
186 : }
187 :
188 : /*?
189 : * Add an IP Address to an interface or remove and IP Address from an interface.
190 : * The IP Address can be an IPv4 or an IPv6 address. Interfaces may have multiple
191 : * IPv4 and IPv6 addresses. There is no concept of primary vs. secondary
192 : * interface addresses; they're just addresses.
193 : *
194 : * To display the addresses associated with a given interface, use the command
195 : * '<em>show interface address <interface></em>'.
196 : *
197 : * Note that the debug CLI does not enforce classful mask-width / addressing
198 : * constraints.
199 : *
200 : * @cliexpar
201 : * @parblock
202 : * An example of how to add an IPv4 address to an interface:
203 : * @cliexcmd{set interface ip address GigabitEthernet2/0/0 172.16.2.12/24}
204 : *
205 : * An example of how to add an IPv6 address to an interface:
206 : * @cliexcmd{set interface ip address GigabitEthernet2/0/0 @::a:1:1:0:7/126}
207 : *
208 : * To delete a specific interface ip address:
209 : * @cliexcmd{set interface ip address del GigabitEthernet2/0/0 172.16.2.12/24}
210 : *
211 : * To delete all interfaces addresses (IPv4 and IPv6):
212 : * @cliexcmd{set interface ip address del GigabitEthernet2/0/0 all}
213 : * @endparblock
214 : ?*/
215 : /* *INDENT-OFF* */
216 285289 : VLIB_CLI_COMMAND (set_interface_ip_address_command, static) = {
217 : .path = "set interface ip address",
218 : .function = add_del_ip_address,
219 : .short_help = "set interface ip address [del] <interface> <ip-addr>/<mask> | [all]",
220 : };
221 : /* *INDENT-ON* */
222 :
223 : static clib_error_t *
224 0 : set_reassembly_command_fn (vlib_main_t * vm,
225 : unformat_input_t * input, vlib_cli_command_t * cmd)
226 : {
227 0 : vnet_main_t *vnm = vnet_get_main ();
228 0 : unformat_input_t _line_input, *line_input = &_line_input;
229 0 : u32 sw_if_index = ~0;
230 0 : u8 ip4_on = 0;
231 0 : u8 ip6_on = 0;
232 :
233 : /* Get a line of input. */
234 0 : if (!unformat_user (input, unformat_line_input, line_input))
235 : {
236 0 : return NULL;
237 : }
238 :
239 0 : if (!unformat_user
240 : (line_input, unformat_vnet_sw_interface, vnm, &sw_if_index))
241 : {
242 0 : return clib_error_return (0, "Invalid interface name");
243 : }
244 :
245 0 : if (unformat (line_input, "on"))
246 : {
247 0 : ip4_on = 1;
248 0 : ip6_on = 1;
249 : }
250 0 : else if (unformat (line_input, "off"))
251 : {
252 0 : ip4_on = 0;
253 0 : ip6_on = 0;
254 : }
255 0 : else if (unformat (line_input, "ip4"))
256 : {
257 0 : ip4_on = 1;
258 0 : ip6_on = 0;
259 : }
260 0 : else if (unformat (line_input, "ip6"))
261 : {
262 0 : ip4_on = 0;
263 0 : ip6_on = 1;
264 : }
265 : else
266 : {
267 0 : return clib_error_return (0, "Unknown input `%U'",
268 : format_unformat_error, line_input);
269 : }
270 :
271 :
272 0 : vnet_api_error_t rv4 = ip4_full_reass_enable_disable (sw_if_index, ip4_on);
273 0 : vnet_api_error_t rv6 = ip6_full_reass_enable_disable (sw_if_index, ip6_on);
274 0 : if (rv4 && rv6)
275 : {
276 0 : return clib_error_return (0,
277 : "`ip4_full_reass_enable_disable' API call failed, rv=%d:%U, "
278 : "`ip6_full_reass_enable_disable' API call failed, rv=%d:%U",
279 : (int) rv4, format_vnet_api_errno, rv4,
280 : (int) rv6, format_vnet_api_errno, rv6);
281 : }
282 0 : else if (rv4)
283 : {
284 0 : return clib_error_return (0,
285 : "`ip4_full_reass_enable_disable' API call failed, rv=%d:%U",
286 : (int) rv4, format_vnet_api_errno, rv4);
287 : }
288 0 : else if (rv6)
289 : {
290 0 : return clib_error_return (0,
291 : "`ip6_full_reass_enable_disable' API call failed, rv=%d:%U",
292 : (int) rv6, format_vnet_api_errno, rv6);
293 : }
294 0 : return NULL;
295 : }
296 :
297 : /* *INDENT-OFF* */
298 285289 : VLIB_CLI_COMMAND (set_reassembly_command, static) = {
299 : .path = "set interface reassembly",
300 : .short_help = "set interface reassembly <interface-name> [on|off|ip4|ip6]",
301 : .function = set_reassembly_command_fn,
302 : };
303 : /* *INDENT-ON* */
304 :
305 : /* Dummy init function to get us linked in. */
306 : static clib_error_t *
307 575 : ip4_cli_init (vlib_main_t * vm)
308 : {
309 575 : return 0;
310 : }
311 :
312 35711 : VLIB_INIT_FUNCTION (ip4_cli_init);
313 :
314 : /*
315 : * fd.io coding-style-patch-verification: ON
316 : *
317 : * Local Variables:
318 : * eval: (c-set-style "gnu")
319 : * End:
320 : */
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