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))
81 (line_input, "host-mtu-size %d", &args.host_mtu_size))
82 args.host_mtu_set = 1;
83 else if (unformat (line_input, "no-gso"))
84 args.tap_flags &= ~TAP_FLAG_GSO;
85 else if (unformat (line_input, "gso"))
86 args.tap_flags |= TAP_FLAG_GSO;
87 else if (unformat (line_input, "hw-addr %U",
88 unformat_ethernet_address, args.mac_addr))
89 args.mac_addr_set = 1;
92 unformat_free (line_input);
93 return clib_error_return (0, "unknown input `%U'",
94 format_unformat_error, input);
97 unformat_free (line_input);
100 if (ip_addr_set && args.host_bridge)
101 return clib_error_return (0, "Please specify either host ip address or "
104 tap_create_if (vm, &args);
106 vec_free (args.host_if_name);
107 vec_free (args.host_namespace);
108 vec_free (args.host_bridge);
115 VLIB_CLI_COMMAND (tap_create_command, static) = {
116 .path = "create tap",
117 .short_help = "create tap {id <if-id>} [hw-addr <mac-address>] "
118 "[rx-ring-size <size>] [tx-ring-size <size>] [host-ns <netns>] "
119 "[host-bridge <bridge-name>] [host-ip4-addr <ip4addr/mask>] "
120 "[host-ip6-addr <ip6-addr>] [host-ip4-gw <ip4-addr>] "
121 "[host-ip6-gw <ip6-addr>] [host-mac-addr <host-mac-address>] "
122 "[host-if-name <name>] [host-mtu-size <size>] [no-gso|gso]",
123 .function = tap_create_command_fn,
127 static clib_error_t *
128 tap_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
129 vlib_cli_command_t * cmd)
131 unformat_input_t _line_input, *line_input = &_line_input;
132 u32 sw_if_index = ~0;
133 vnet_main_t *vnm = vnet_get_main ();
136 /* Get a line of input. */
137 if (!unformat_user (input, unformat_line_input, line_input))
138 return clib_error_return (0, "Missing <interface>");
140 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
142 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
144 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
148 return clib_error_return (0, "unknown input `%U'",
149 format_unformat_error, input);
151 unformat_free (line_input);
153 if (sw_if_index == ~0)
154 return clib_error_return (0,
155 "please specify interface name or sw_if_index");
157 rv = tap_delete_if (vm, sw_if_index);
158 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
159 return clib_error_return (0, "not a tap interface");
161 return clib_error_return (0, "error on deleting tap interface");
167 VLIB_CLI_COMMAND (tap_delete__command, static) =
169 .path = "delete tap",
170 .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
171 .function = tap_delete_command_fn,
175 static clib_error_t *
176 tap_gso_command_fn (vlib_main_t * vm, unformat_input_t * input,
177 vlib_cli_command_t * cmd)
179 unformat_input_t _line_input, *line_input = &_line_input;
180 u32 sw_if_index = ~0;
181 vnet_main_t *vnm = vnet_get_main ();
185 /* Get a line of input. */
186 if (!unformat_user (input, unformat_line_input, line_input))
187 return clib_error_return (0, "Missing <interface>");
189 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
191 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
193 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
196 else if (unformat (line_input, "enable"))
198 else if (unformat (line_input, "disable"))
201 return clib_error_return (0, "unknown input `%U'",
202 format_unformat_error, input);
204 unformat_free (line_input);
206 if (sw_if_index == ~0)
207 return clib_error_return (0,
208 "please specify interface name or sw_if_index");
210 rv = tap_gso_enable_disable (vm, sw_if_index, enable);
211 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
212 return clib_error_return (0, "not a tap interface");
214 return clib_error_return (0, "error on configuring GSO on tap interface");
220 VLIB_CLI_COMMAND (tap_gso__command, static) =
222 .path = "set tap gso",
223 .short_help = "set tap gso {<interface> | sw_if_index <sw_idx>} <enable|disable>",
224 .function = tap_gso_command_fn,
228 static clib_error_t *
229 tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
230 vlib_cli_command_t * cmd)
232 virtio_main_t *mm = &virtio_main;
234 vnet_main_t *vnm = vnet_get_main ();
236 clib_error_t *error = 0;
237 u32 hw_if_index, *hw_if_indices = 0;
239 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
242 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
243 vec_add1 (hw_if_indices, hw_if_index);
244 else if (unformat (input, "descriptors"))
248 error = clib_error_return (0, "unknown input `%U'",
249 format_unformat_error, input);
254 if (vec_len (hw_if_indices) == 0)
257 pool_foreach (vif, mm->interfaces,
258 vec_add1 (hw_if_indices, vif->hw_if_index);
263 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TAP);
266 vec_free (hw_if_indices);
271 VLIB_CLI_COMMAND (tap_show_command, static) = {
273 .short_help = "show tap {<interface>] [descriptors]",
274 .function = tap_show_command_fn,
279 tap_cli_init (vlib_main_t * vm)
284 VLIB_INIT_FUNCTION (tap_cli_init);
287 * fd.io coding-style-patch-verification: ON
290 * eval: (c-set-style "gnu")