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 };
46 /* Get a line of input. */
47 if (unformat_user (input, unformat_line_input, line_input))
49 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
51 if (unformat (line_input, "id %u", &args.id))
54 if (unformat (line_input, "host-if-name %s", &args.host_if_name))
56 else if (unformat (line_input, "host-ns %s", &args.host_namespace))
58 else if (unformat (line_input, "host-mac-addr %U",
59 unformat_ethernet_address, args.host_mac_addr))
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, "rx-ring-size %d", &tmp))
78 args.rx_ring_sz = tmp;
79 else if (unformat (line_input, "tx-ring-size %d", &tmp))
80 args.tx_ring_sz = tmp;
83 (line_input, "host-mtu-size %d", &args.host_mtu_size))
84 args.host_mtu_set = 1;
85 else if (unformat (line_input, "no-gso"))
86 args.tap_flags &= ~TAP_FLAG_GSO;
87 else if (unformat (line_input, "gso"))
88 args.tap_flags |= TAP_FLAG_GSO;
89 else if (unformat (line_input, "hw-addr %U",
90 unformat_ethernet_address, args.mac_addr))
91 args.mac_addr_set = 1;
94 unformat_free (line_input);
95 return clib_error_return (0, "unknown input `%U'",
96 format_unformat_error, input);
99 unformat_free (line_input);
102 if (ip_addr_set && args.host_bridge)
103 return clib_error_return (0, "Please specify either host ip address or "
106 tap_create_if (vm, &args);
109 vlib_cli_output (vm, "%U\n", format_vnet_sw_if_index_name,
110 vnet_get_main (), args.sw_if_index);
112 vec_free (args.host_if_name);
113 vec_free (args.host_namespace);
114 vec_free (args.host_bridge);
121 VLIB_CLI_COMMAND (tap_create_command, static) = {
122 .path = "create tap",
123 .short_help = "create tap {id <if-id>} [hw-addr <mac-address>] "
124 "[rx-ring-size <size>] [tx-ring-size <size>] [host-ns <netns>] "
125 "[host-bridge <bridge-name>] [host-ip4-addr <ip4addr/mask>] "
126 "[host-ip6-addr <ip6-addr>] [host-ip4-gw <ip4-addr>] "
127 "[host-ip6-gw <ip6-addr>] [host-mac-addr <host-mac-address>] "
128 "[host-if-name <name>] [host-mtu-size <size>] [no-gso|gso]",
129 .function = tap_create_command_fn,
133 static clib_error_t *
134 tap_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
135 vlib_cli_command_t * cmd)
137 unformat_input_t _line_input, *line_input = &_line_input;
138 u32 sw_if_index = ~0;
139 vnet_main_t *vnm = vnet_get_main ();
142 /* Get a line of input. */
143 if (!unformat_user (input, unformat_line_input, line_input))
144 return clib_error_return (0, "Missing <interface>");
146 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
148 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
150 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
154 return clib_error_return (0, "unknown input `%U'",
155 format_unformat_error, input);
157 unformat_free (line_input);
159 if (sw_if_index == ~0)
160 return clib_error_return (0,
161 "please specify interface name or sw_if_index");
163 rv = tap_delete_if (vm, sw_if_index);
164 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
165 return clib_error_return (0, "not a tap interface");
167 return clib_error_return (0, "error on deleting tap interface");
173 VLIB_CLI_COMMAND (tap_delete__command, static) =
175 .path = "delete tap",
176 .short_help = "delete tap {<interface> | sw_if_index <sw_idx>}",
177 .function = tap_delete_command_fn,
181 static clib_error_t *
182 tap_gso_command_fn (vlib_main_t * vm, unformat_input_t * input,
183 vlib_cli_command_t * cmd)
185 unformat_input_t _line_input, *line_input = &_line_input;
186 u32 sw_if_index = ~0;
187 vnet_main_t *vnm = vnet_get_main ();
191 /* Get a line of input. */
192 if (!unformat_user (input, unformat_line_input, line_input))
193 return clib_error_return (0, "Missing <interface>");
195 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
197 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
199 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
202 else if (unformat (line_input, "enable"))
204 else if (unformat (line_input, "disable"))
207 return clib_error_return (0, "unknown input `%U'",
208 format_unformat_error, input);
210 unformat_free (line_input);
212 if (sw_if_index == ~0)
213 return clib_error_return (0,
214 "please specify interface name or sw_if_index");
216 rv = tap_gso_enable_disable (vm, sw_if_index, enable);
217 if (rv == VNET_API_ERROR_INVALID_SW_IF_INDEX)
218 return clib_error_return (0, "not a tap interface");
220 return clib_error_return (0, "error on configuring GSO on tap interface");
226 VLIB_CLI_COMMAND (tap_gso__command, static) =
228 .path = "set tap gso",
229 .short_help = "set tap gso {<interface> | sw_if_index <sw_idx>} <enable|disable>",
230 .function = tap_gso_command_fn,
234 static clib_error_t *
235 tap_show_command_fn (vlib_main_t * vm, unformat_input_t * input,
236 vlib_cli_command_t * cmd)
238 virtio_main_t *mm = &virtio_main;
240 vnet_main_t *vnm = vnet_get_main ();
242 clib_error_t *error = 0;
243 u32 hw_if_index, *hw_if_indices = 0;
245 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
248 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
249 vec_add1 (hw_if_indices, hw_if_index);
250 else if (unformat (input, "descriptors"))
254 error = clib_error_return (0, "unknown input `%U'",
255 format_unformat_error, input);
260 if (vec_len (hw_if_indices) == 0)
263 pool_foreach (vif, mm->interfaces,
264 vec_add1 (hw_if_indices, vif->hw_if_index);
269 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_TAP);
272 vec_free (hw_if_indices);
277 VLIB_CLI_COMMAND (tap_show_command, static) = {
279 .short_help = "show tap {<interface>] [descriptors]",
280 .function = tap_show_command_fn,
285 tap_cli_init (vlib_main_t * vm)
290 VLIB_INIT_FUNCTION (tap_cli_init);
293 * fd.io coding-style-patch-verification: ON
296 * eval: (c-set-style "gnu")