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 <linux/virtio_net.h>
29 #include <linux/vhost.h>
30 #include <vnet/devices/virtio/virtio.h>
31 #include <vnet/devices/tap/tap.h>
34 tap_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
35 vlib_cli_command_t * cmd)
37 unformat_input_t _line_input, *line_input = &_line_input;
38 tap_create_if_args_t args = { 0 };
45 args.num_rx_queues = 1;
47 /* Get a line of input. */
48 if (unformat_user (input, unformat_line_input, line_input))
50 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
52 if (unformat (line_input, "id %u", &args.id))
55 if (unformat (line_input, "host-if-name %s", &args.host_if_name))
57 else if (unformat (line_input, "host-ns %s", &args.host_namespace))
59 else if (unformat (line_input, "host-mac-addr %U",
60 unformat_ethernet_address, args.host_mac_addr))
62 else if (unformat (line_input, "host-bridge %s", &args.host_bridge))
64 else if (unformat (line_input, "host-ip4-addr %U/%d",
65 unformat_ip4_address, &args.host_ip4_addr,
66 &args.host_ip4_prefix_len))
68 else if (unformat (line_input, "host-ip4-gw %U",
69 unformat_ip4_address, &args.host_ip4_gw))
70 args.host_ip4_gw_set = 1;
71 else if (unformat (line_input, "host-ip6-addr %U/%d",
72 unformat_ip6_address, &args.host_ip6_addr,
73 &args.host_ip6_prefix_len))
75 else if (unformat (line_input, "host-ip6-gw %U",
76 unformat_ip6_address, &args.host_ip6_gw))
77 args.host_ip6_gw_set = 1;
78 else if (unformat (line_input, "num-rx-queues %d", &tmp))
79 args.num_rx_queues = tmp;
80 else if (unformat (line_input, "rx-ring-size %d", &tmp))
81 args.rx_ring_sz = tmp;
82 else if (unformat (line_input, "tx-ring-size %d", &tmp))
83 args.tx_ring_sz = tmp;
86 (line_input, "host-mtu-size %d", &args.host_mtu_size))
87 args.host_mtu_set = 1;
88 else if (unformat (line_input, "no-gso"))
89 args.tap_flags &= ~TAP_FLAG_GSO;
90 else if (unformat (line_input, "gso"))
91 args.tap_flags |= TAP_FLAG_GSO;
92 else if (unformat (line_input, "hw-addr %U",
93 unformat_ethernet_address, args.mac_addr.bytes))
94 args.mac_addr_set = 1;
97 unformat_free (line_input);
98 return clib_error_return (0, "unknown input `%U'",
99 format_unformat_error, input);
102 unformat_free (line_input);
105 if (ip_addr_set && args.host_bridge)
106 return clib_error_return (0, "Please specify either host ip address or "
109 tap_create_if (vm, &args);
112 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
113 vnet_get_main (), args.sw_if_index);
115 vec_free (args.host_if_name);
116 vec_free (args.host_namespace);
117 vec_free (args.host_bridge);
124 VLIB_CLI_COMMAND (tap_create_command, static) = {
125 .path = "create tap",
126 .short_help = "create tap {id <if-id>} [hw-addr <mac-address>] "
127 "[rx-ring-size <size>] [tx-ring-size <size>] [host-ns <netns>] "
128 "[host-bridge <bridge-name>] [host-ip4-addr <ip4addr/mask>] "
129 "[host-ip6-addr <ip6-addr>] [host-ip4-gw <ip4-addr>] "
130 "[host-ip6-gw <ip6-addr>] [host-mac-addr <host-mac-address>] "
131 "[host-if-name <name>] [host-mtu-size <size>] [no-gso|gso]",
132 .function = tap_create_command_fn,
136 static clib_error_t *
137 tap_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
138 vlib_cli_command_t * cmd)
140 unformat_input_t _line_input, *line_input = &_line_input;
141 u32 sw_if_index = ~0;
142 vnet_main_t *vnm = vnet_get_main ();
145 /* Get a line of input. */
146 if (!unformat_user (input, unformat_line_input, line_input))
147 return clib_error_return (0, "Missing <interface>");
149 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
151 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
153 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
157 return clib_error_return (0, "unknown input `%U'",
158 format_unformat_error, input);
160 unformat_free (line_input);
162 if (sw_if_index == ~0)
163 return clib_error_return (0,
164 "please specify interface name or sw_if_index");
166 rv = tap_delete_if (vm, sw_if_index);
167 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
168 return clib_error_return (0, "not a tap interface");
170 return clib_error_return (0, "error on deleting tap interface");
176 VLIB_CLI_COMMAND (tap_delete__command, static) =
178 .path = "delete tap",
179 .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
180 .function = tap_delete_command_fn,
184 static clib_error_t *
185 tap_gso_command_fn (vlib_main_t * vm, unformat_input_t * input,
186 vlib_cli_command_t * cmd)
188 unformat_input_t _line_input, *line_input = &_line_input;
189 u32 sw_if_index = ~0;
190 vnet_main_t *vnm = vnet_get_main ();
194 /* Get a line of input. */
195 if (!unformat_user (input, unformat_line_input, line_input))
196 return clib_error_return (0, "Missing <interface>");
198 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
200 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
202 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
205 else if (unformat (line_input, "enable"))
207 else if (unformat (line_input, "disable"))
210 return clib_error_return (0, "unknown input `%U'",
211 format_unformat_error, input);
213 unformat_free (line_input);
215 if (sw_if_index == ~0)
216 return clib_error_return (0,
217 "please specify interface name or sw_if_index");
219 rv = tap_gso_enable_disable (vm, sw_if_index, enable);
220 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
221 return clib_error_return (0, "not a tap interface");
223 return clib_error_return (0, "error on configuring GSO on tap interface");
229 VLIB_CLI_COMMAND (tap_gso__command, static) =
231 .path = "set tap gso",
232 .short_help = "set tap gso {<interface> | sw_if_index <sw_idx>} <enable|disable>",
233 .function = tap_gso_command_fn,
237 static clib_error_t *
238 tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
239 vlib_cli_command_t * cmd)
241 virtio_main_t *mm = &virtio_main;
243 vnet_main_t *vnm = vnet_get_main ();
245 clib_error_t *error = 0;
246 u32 hw_if_index, *hw_if_indices = 0;
248 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
251 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
252 vec_add1 (hw_if_indices, hw_if_index);
253 else if (unformat (input, "descriptors"))
257 error = clib_error_return (0, "unknown input `%U'",
258 format_unformat_error, input);
263 if (vec_len (hw_if_indices) == 0)
266 pool_foreach (vif, mm->interfaces,
267 vec_add1 (hw_if_indices, vif->hw_if_index);
272 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TAP);
275 vec_free (hw_if_indices);
280 VLIB_CLI_COMMAND (tap_show_command, static) = {
282 .short_help = "show tap {<interface>] [descriptors]",
283 .function = tap_show_command_fn,
288 tap_cli_init (vlib_main_t * vm)
293 VLIB_INIT_FUNCTION (tap_cli_init);
296 * fd.io coding-style-patch-verification: ON
299 * eval: (c-set-style "gnu")