2 *------------------------------------------------------------------
3 * Copyright (c) 2016 Cisco and/or its affiliates.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at:
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 *------------------------------------------------------------------
19 #include <sys/ioctl.h>
22 #include <vlib/vlib.h>
23 #include <vlib/unix/unix.h>
24 #include <vnet/ethernet/ethernet.h>
25 #include <vnet/ip/ip4_packet.h>
26 #include <vnet/ip/ip6_packet.h>
27 #include <vnet/ip/format.h>
28 #include <vnet/devices/virtio/virtio.h>
29 #include <vnet/devices/tap/tap.h>
32 tap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
33 vlib_cli_command_t * cmd)
35 unformat_input_t _line_input, *line_input = &_line_input;
36 tap_create_if_args_t args = { 0 };
43 args.num_rx_queues = 1;
45 /* Get a line of input. */
46 if (unformat_user (input, unformat_line_input, line_input))
48 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
50 if (unformat (line_input, "id %u", &args.id))
53 if (unformat (line_input, "host-if-name %s", &args.host_if_name))
55 else if (unformat (line_input, "host-ns %s", &args.host_namespace))
57 else if (unformat (line_input, "host-mac-addr %U",
58 unformat_ethernet_address,
59 args.host_mac_addr.bytes))
61 else if (unformat (line_input, "host-bridge %s", &args.host_bridge))
63 else if (unformat (line_input, "host-ip4-addr %U/%d",
64 unformat_ip4_address, &args.host_ip4_addr,
65 &args.host_ip4_prefix_len))
67 else if (unformat (line_input, "host-ip4-gw %U",
68 unformat_ip4_address, &args.host_ip4_gw))
69 args.host_ip4_gw_set = 1;
70 else if (unformat (line_input, "host-ip6-addr %U/%d",
71 unformat_ip6_address, &args.host_ip6_addr,
72 &args.host_ip6_prefix_len))
74 else if (unformat (line_input, "host-ip6-gw %U",
75 unformat_ip6_address, &args.host_ip6_gw))
76 args.host_ip6_gw_set = 1;
77 else if (unformat (line_input, "num-rx-queues %d", &tmp))
78 args.num_rx_queues = tmp;
79 else if (unformat (line_input, "rx-ring-size %d", &tmp))
80 args.rx_ring_sz = tmp;
81 else if (unformat (line_input, "tx-ring-size %d", &tmp))
82 args.tx_ring_sz = tmp;
85 (line_input, "host-mtu-size %d", &args.host_mtu_size))
86 args.host_mtu_set = 1;
87 else if (unformat (line_input, "no-gso"))
88 args.tap_flags &= ~TAP_FLAG_GSO;
89 else if (unformat (line_input, "gso"))
90 args.tap_flags |= TAP_FLAG_GSO;
91 else if (unformat (line_input, "gro-coalesce"))
92 args.tap_flags |= TAP_FLAG_GRO_COALESCE;
93 else if (unformat (line_input, "csum-offload"))
94 args.tap_flags |= TAP_FLAG_CSUM_OFFLOAD;
95 else if (unformat (line_input, "persist"))
96 args.tap_flags |= TAP_FLAG_PERSIST;
97 else if (unformat (line_input, "attach"))
98 args.tap_flags |= TAP_FLAG_ATTACH;
99 else if (unformat (line_input, "tun"))
100 args.tap_flags |= TAP_FLAG_TUN;
101 else if (unformat (line_input, "packed"))
102 args.tap_flags |= TAP_FLAG_PACKED;
103 else if (unformat (line_input, "in-order"))
104 args.tap_flags |= TAP_FLAG_IN_ORDER;
105 else if (unformat (line_input, "hw-addr %U",
106 unformat_ethernet_address, args.mac_addr.bytes))
107 args.mac_addr_set = 1;
110 unformat_free (line_input);
111 return clib_error_return (0, "unknown input `%U'",
112 format_unformat_error, input);
115 unformat_free (line_input);
118 if (ip_addr_set && args.host_bridge)
119 return clib_error_return (0, "Please specify either host ip address or "
122 tap_create_if (vm, &args);
125 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
126 vnet_get_main (), args.sw_if_index);
128 vec_free (args.host_if_name);
129 vec_free (args.host_namespace);
130 vec_free (args.host_bridge);
137 VLIB_CLI_COMMAND (tap_create_command, static) = {
138 .path = "create tap",
139 .short_help = "create tap {id <if-id>} [hw-addr <mac-address>] "
140 "[num-rx-queues <n>] [rx-ring-size <size>] [tx-ring-size <size>] "
141 "[host-ns <netns>] [host-bridge <bridge-name>] "
142 "[host-ip4-addr <ip4addr/mask>] [host-ip6-addr <ip6-addr>] "
143 "[host-ip4-gw <ip4-addr>] [host-ip6-gw <ip6-addr>] "
144 "[host-mac-addr <host-mac-address>] [host-if-name <name>] "
145 "[host-mtu-size <size>] [no-gso|gso [gro-coalesce]|csum-offload] "
146 "[persist] [attach] [tun] [packed] [in-order]",
147 .function = tap_create_command_fn,
151 static clib_error_t *
152 tap_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
153 vlib_cli_command_t * cmd)
155 unformat_input_t _line_input, *line_input = &_line_input;
156 u32 sw_if_index = ~0;
157 vnet_main_t *vnm = vnet_get_main ();
160 /* Get a line of input. */
161 if (!unformat_user (input, unformat_line_input, line_input))
162 return clib_error_return (0, "Missing <interface>");
164 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
166 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
168 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
172 return clib_error_return (0, "unknown input `%U'",
173 format_unformat_error, input);
175 unformat_free (line_input);
177 if (sw_if_index == ~0)
178 return clib_error_return (0,
179 "please specify interface name or sw_if_index");
181 rv = tap_delete_if (vm, sw_if_index);
182 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
183 return clib_error_return (0, "not a tap interface");
185 return clib_error_return (0, "error on deleting tap interface");
191 VLIB_CLI_COMMAND (tap_delete__command, static) =
193 .path = "delete tap",
194 .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
195 .function = tap_delete_command_fn,
199 static clib_error_t *
200 tap_offload_command_fn (vlib_main_t * vm, unformat_input_t * input,
201 vlib_cli_command_t * cmd)
203 unformat_input_t _line_input, *line_input = &_line_input;
204 u32 sw_if_index = ~0;
205 vnet_main_t *vnm = vnet_get_main ();
206 int gso_enable = 0, gso_disable = 0, is_gro_coalesce = 0;
207 int csum_offload_enable = 0, csum_offload_disable = 0;
210 /* Get a line of input. */
211 if (!unformat_user (input, unformat_line_input, line_input))
212 return clib_error_return (0, "Missing <interface>");
214 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
216 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
218 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
221 else if (unformat (line_input, "gso-enable"))
224 if (unformat (line_input, "gro-coalesce"))
227 else if (unformat (line_input, "gso-disable"))
229 else if (unformat (line_input, "csum-offload-enable"))
230 csum_offload_enable = 1;
231 else if (unformat (line_input, "csum-offload-disable"))
232 csum_offload_disable = 1;
234 return clib_error_return (0, "unknown input `%U'",
235 format_unformat_error, input);
237 unformat_free (line_input);
239 if (sw_if_index == ~0)
240 return clib_error_return (0,
241 "please specify interface name or sw_if_index");
244 rv = tap_gso_enable_disable (vm, sw_if_index, 1, is_gro_coalesce);
245 else if (csum_offload_enable)
246 rv = tap_csum_offload_enable_disable (vm, sw_if_index, 1);
247 else if (gso_disable)
248 rv = tap_gso_enable_disable (vm, sw_if_index, 0, 0);
249 else if (csum_offload_disable)
250 rv = tap_csum_offload_enable_disable (vm, sw_if_index, 0);
252 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
253 return clib_error_return (0, "not a tap interface");
255 return clib_error_return (0, "error on configuring GSO on tap interface");
261 VLIB_CLI_COMMAND (tap_offload_command, static) =
263 .path = "set tap offload",
264 .short_help = "set tap offload {<interface> | sw_if_index <sw_idx>}"
265 " <gso-enable [gro-coalesce] | gso-disable | csum-offload-enable |"
266 "csum-offload-disable>",
267 .function = tap_offload_command_fn,
271 static clib_error_t *
272 tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
273 vlib_cli_command_t * cmd)
275 virtio_main_t *mm = &virtio_main;
277 vnet_main_t *vnm = vnet_get_main ();
279 clib_error_t *error = 0;
280 u32 hw_if_index, *hw_if_indices = 0;
282 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
285 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
286 vec_add1 (hw_if_indices, hw_if_index);
287 else if (unformat (input, "descriptors"))
291 error = clib_error_return (0, "unknown input `%U'",
292 format_unformat_error, input);
297 if (vec_len (hw_if_indices) == 0)
300 pool_foreach (vif, mm->interfaces)
301 vec_add1 (hw_if_indices, vif->hw_if_index);
305 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TAP);
308 vec_free (hw_if_indices);
313 VLIB_CLI_COMMAND (tap_show_command, static) = {
315 .short_help = "show tap {<interface>] [descriptors]",
316 .function = tap_show_command_fn,
320 static clib_error_t *
321 tun_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
322 vlib_cli_command_t * cmd)
324 virtio_main_t *mm = &virtio_main;
326 vnet_main_t *vnm = vnet_get_main ();
328 clib_error_t *error = 0;
329 u32 hw_if_index, *hw_if_indices = 0;
331 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
334 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
335 vec_add1 (hw_if_indices, hw_if_index);
336 else if (unformat (input, "descriptors"))
340 error = clib_error_return (0, "unknown input `%U'",
341 format_unformat_error, input);
346 if (vec_len (hw_if_indices) == 0)
349 pool_foreach (vif, mm->interfaces)
350 vec_add1 (hw_if_indices, vif->hw_if_index);
354 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TUN);
357 vec_free (hw_if_indices);
362 VLIB_CLI_COMMAND (tun_show_command, static) = {
364 .short_help = "show tun {<interface>] [descriptors]",
365 .function = tun_show_command_fn,
370 tap_cli_init (vlib_main_t * vm)
375 VLIB_INIT_FUNCTION (tap_cli_init);
378 * fd.io coding-style-patch-verification: ON
381 * eval: (c-set-style "gnu")