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 };
44 /* Get a line of input. */
45 if (unformat_user (input, unformat_line_input, line_input))
47 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
49 if (unformat (line_input, "id %u", &args.id))
52 if (unformat (line_input, "host-if-name %s", &args.host_if_name))
54 else if (unformat (line_input, "host-ns %s", &args.host_namespace))
56 else if (unformat (line_input, "host-mac-addr %U",
57 unformat_ethernet_address, args.host_mac_addr))
59 else if (unformat (line_input, "host-bridge %s", &args.host_bridge))
61 else if (unformat (line_input, "host-ip4-addr %U/%d",
62 unformat_ip4_address, &args.host_ip4_addr,
63 &args.host_ip4_prefix_len))
65 else if (unformat (line_input, "host-ip4-gw %U",
66 unformat_ip4_address, &args.host_ip4_gw))
67 args.host_ip4_gw_set = 1;
68 else if (unformat (line_input, "host-ip6-addr %U/%d",
69 unformat_ip6_address, &args.host_ip6_addr,
70 &args.host_ip6_prefix_len))
72 else if (unformat (line_input, "host-ip6-gw %U",
73 unformat_ip6_address, &args.host_ip6_gw))
74 args.host_ip6_gw_set = 1;
75 else if (unformat (line_input, "rx-ring-size %d", &args.rx_ring_sz))
77 else if (unformat (line_input, "tx-ring-size %d", &args.tx_ring_sz))
79 else if (unformat (line_input, "no-gso"))
80 args.tap_flags &= ~TAP_FLAG_GSO;
81 else if (unformat (line_input, "gso"))
82 args.tap_flags |= TAP_FLAG_GSO;
83 else if (unformat (line_input, "hw-addr %U",
84 unformat_ethernet_address, args.mac_addr))
85 args.mac_addr_set = 1;
88 unformat_free (line_input);
89 return clib_error_return (0, "unknown input `%U'",
90 format_unformat_error, input);
93 unformat_free (line_input);
96 if (ip_addr_set && args.host_bridge)
97 return clib_error_return (0, "Please specify either host ip address or "
100 tap_create_if (vm, &args);
102 vec_free (args.host_if_name);
103 vec_free (args.host_namespace);
104 vec_free (args.host_bridge);
111 VLIB_CLI_COMMAND (tap_create_command, static) = {
112 .path = "create tap",
113 .short_help = "create tap {id <if-id>} [hw-addr <mac-address>] "
114 "[rx-ring-size <size>] [tx-ring-size <size>] [host-ns <netns>] "
115 "[host-bridge <bridge-name>] [host-ip4-addr <ip4addr/mask>] "
116 "[host-ip6-addr <ip6-addr>] [host-ip4-gw <ip4-addr>] "
117 "[host-ip6-gw <ip6-addr>] [host-if-name <name>] [no-gso|gso]",
118 .function = tap_create_command_fn,
122 static clib_error_t *
123 tap_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
124 vlib_cli_command_t * cmd)
126 unformat_input_t _line_input, *line_input = &_line_input;
127 u32 sw_if_index = ~0;
128 vnet_main_t *vnm = vnet_get_main ();
131 /* Get a line of input. */
132 if (!unformat_user (input, unformat_line_input, line_input))
133 return clib_error_return (0, "Missing <interface>");
135 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
137 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
139 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
143 return clib_error_return (0, "unknown input `%U'",
144 format_unformat_error, input);
146 unformat_free (line_input);
148 if (sw_if_index == ~0)
149 return clib_error_return (0,
150 "please specify interface name or sw_if_index");
152 rv = tap_delete_if (vm, sw_if_index);
153 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
154 return clib_error_return (0, "not a tap interface");
156 return clib_error_return (0, "error on deleting tap interface");
162 VLIB_CLI_COMMAND (tap_delete__command, static) =
164 .path = "delete tap",
165 .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
166 .function = tap_delete_command_fn,
170 static clib_error_t *
171 tap_gso_command_fn (vlib_main_t * vm, unformat_input_t * input,
172 vlib_cli_command_t * cmd)
174 unformat_input_t _line_input, *line_input = &_line_input;
175 u32 sw_if_index = ~0;
176 vnet_main_t *vnm = vnet_get_main ();
180 /* Get a line of input. */
181 if (!unformat_user (input, unformat_line_input, line_input))
182 return clib_error_return (0, "Missing <interface>");
184 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
186 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
188 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
191 else if (unformat (line_input, "enable"))
193 else if (unformat (line_input, "disable"))
196 return clib_error_return (0, "unknown input `%U'",
197 format_unformat_error, input);
199 unformat_free (line_input);
201 if (sw_if_index == ~0)
202 return clib_error_return (0,
203 "please specify interface name or sw_if_index");
205 rv = tap_gso_enable_disable (vm, sw_if_index, enable);
206 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
207 return clib_error_return (0, "not a tap interface");
209 return clib_error_return (0, "error on configuring GSO on tap interface");
215 VLIB_CLI_COMMAND (tap_gso__command, static) =
217 .path = "set tap gso",
218 .short_help = "set tap gso {<interface> | sw_if_index <sw_idx>} <enable|disable>",
219 .function = tap_gso_command_fn,
223 static clib_error_t *
224 tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
225 vlib_cli_command_t * cmd)
227 virtio_main_t *mm = &virtio_main;
229 vnet_main_t *vnm = vnet_get_main ();
231 clib_error_t *error = 0;
232 u32 hw_if_index, *hw_if_indices = 0;
234 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
237 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
238 vec_add1 (hw_if_indices, hw_if_index);
239 else if (unformat (input, "descriptors"))
243 error = clib_error_return (0, "unknown input `%U'",
244 format_unformat_error, input);
249 if (vec_len (hw_if_indices) == 0)
252 pool_foreach (vif, mm->interfaces,
253 vec_add1 (hw_if_indices, vif->hw_if_index);
258 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TAP);
261 vec_free (hw_if_indices);
266 VLIB_CLI_COMMAND (tap_show_command, static) = {
268 .short_help = "show tap {<interface>] [descriptors]",
269 .function = tap_show_command_fn,
274 tap_cli_init (vlib_main_t * vm)
279 VLIB_INIT_FUNCTION (tap_cli_init);
282 * fd.io coding-style-patch-verification: ON
285 * eval: (c-set-style "gnu")