2 *------------------------------------------------------------------
3 * Copyright (c) 2018 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 *------------------------------------------------------------------
17 #include <vlib/vlib.h>
18 #include <vlib/unix/unix.h>
19 #include <vlib/pci/pci.h>
20 #include <vnet/ethernet/ethernet.h>
21 #include <vnet/ip/ip4_packet.h>
22 #include <vnet/ip/ip6_packet.h>
23 #include <vnet/devices/virtio/virtio.h>
24 #include <vnet/devices/virtio/pci.h>
27 virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
28 vlib_cli_command_t * cmd)
30 unformat_input_t _line_input, *line_input = &_line_input;
31 virtio_pci_create_if_args_t args;
32 u64 feature_mask = (u64) ~ (0ULL);
33 u32 buffering_size = 0;
35 /* Get a line of input. */
36 if (!unformat_user (input, unformat_line_input, line_input))
39 memset (&args, 0, sizeof (args));
40 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
42 if (unformat (line_input, "%U", unformat_vlib_pci_addr, &args.addr))
44 else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
45 args.features = feature_mask;
46 else if (unformat (line_input, "gso-enabled"))
48 else if (unformat (line_input, "csum-enabled"))
49 args.checksum_offload_enabled = 1;
50 else if (unformat (line_input, "buffering"))
52 args.virtio_flags = VIRTIO_FLAG_BUFFERING;
53 if (unformat (line_input, "size %u", &buffering_size))
54 args.buffering_size = buffering_size;
57 return clib_error_return (0, "unknown input `%U'",
58 format_unformat_error, input);
60 unformat_free (line_input);
62 virtio_pci_create_if (vm, &args);
68 VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
69 .path = "create interface virtio",
70 .short_help = "create interface virtio <pci-address> "
71 "[feature-mask <hex-mask>] [gso-enabled] [csum-enabled] "
72 "[buffering [size <buffering-szie>]]",
73 .function = virtio_pci_create_command_fn,
78 virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
79 vlib_cli_command_t * cmd)
81 unformat_input_t _line_input, *line_input = &_line_input;
83 vnet_hw_interface_t *hw;
84 virtio_main_t *vim = &virtio_main;
86 vnet_main_t *vnm = vnet_get_main ();
88 /* Get a line of input. */
89 if (!unformat_user (input, unformat_line_input, line_input))
92 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
94 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
96 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
100 return clib_error_return (0, "unknown input `%U'",
101 format_unformat_error, input);
103 unformat_free (line_input);
105 if (sw_if_index == ~0)
106 return clib_error_return (0,
107 "please specify interface name or sw_if_index");
109 hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
110 if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
111 return clib_error_return (0, "not a virtio interface");
113 vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
115 if (virtio_pci_delete_if (vm, vif) < 0)
116 return clib_error_return (0, "not a virtio pci interface");
122 VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
123 .path = "delete interface virtio",
124 .short_help = "delete interface virtio "
125 "{<interface> | sw_if_index <sw_idx>}",
126 .function = virtio_pci_delete_command_fn,
130 static clib_error_t *
131 virtio_pci_enable_command_fn (vlib_main_t * vm, unformat_input_t * input,
132 vlib_cli_command_t * cmd)
134 unformat_input_t _line_input, *line_input = &_line_input;
135 u32 sw_if_index = ~0;
136 vnet_hw_interface_t *hw;
137 virtio_main_t *vim = &virtio_main;
139 vnet_main_t *vnm = vnet_get_main ();
140 int gso_enabled = 0, checksum_offload_enabled = 0;
141 int offloads_disabled = 0;
143 /* Get a line of input. */
144 if (!unformat_user (input, unformat_line_input, line_input))
147 while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
149 if (unformat (line_input, "sw_if_index %d", &sw_if_index))
151 else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
154 else if (unformat (line_input, "gso-enabled"))
156 else if (unformat (line_input, "csum-offload-enabled"))
157 checksum_offload_enabled = 1;
158 else if (unformat (line_input, "offloads-disabled"))
159 offloads_disabled = 1;
161 return clib_error_return (0, "unknown input `%U'",
162 format_unformat_error, input);
164 unformat_free (line_input);
166 if (sw_if_index == ~0)
167 return clib_error_return (0,
168 "please specify interface name or sw_if_index");
170 hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
171 if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
172 return clib_error_return (0, "not a virtio interface");
174 vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
176 if (virtio_pci_enable_disable_offloads
177 (vm, vif, gso_enabled, checksum_offload_enabled, offloads_disabled) < 0)
178 return clib_error_return (0, "not able to enable/disable offloads");
184 VLIB_CLI_COMMAND (virtio_pci_enable_command, static) = {
185 .path = "set virtio pci",
186 .short_help = "set virtio pci {<interface> | sw_if_index <sw_idx>}"
187 " [gso-enabled | csum-offload-enabled | offloads-disabled]",
188 .function = virtio_pci_enable_command_fn,
192 static clib_error_t *
193 show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
194 vlib_cli_command_t * cmd)
196 virtio_main_t *vim = &virtio_main;
197 vnet_main_t *vnm = &vnet_main;
199 clib_error_t *error = 0;
200 u32 hw_if_index, *hw_if_indices = 0;
201 vnet_hw_interface_t *hi;
202 u8 show_descr = 0, show_device_config = 0;
204 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
207 (input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
209 hi = vnet_get_hw_interface (vnm, hw_if_index);
210 if (virtio_device_class.index != hi->dev_class_index)
212 error = clib_error_return (0, "unknown input `%U'",
213 format_unformat_error, input);
216 vec_add1 (hw_if_indices, hw_if_index);
218 else if (unformat (input, "descriptors") || unformat (input, "desc"))
220 else if (unformat (input, "debug-device"))
221 show_device_config = 1;
224 error = clib_error_return (0, "unknown input `%U'",
225 format_unformat_error, input);
230 if (vec_len (hw_if_indices) == 0)
232 pool_foreach (vif, vim->interfaces,
233 vec_add1 (hw_if_indices, vif->hw_if_index);
236 else if (show_device_config)
238 vif = pool_elt_at_index (vim->interfaces, hi->dev_instance);
239 if (vif->type == VIRTIO_IF_TYPE_PCI)
240 vif->virtio_pci_func->device_debug_config_space (vm, vif);
243 virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_PCI);
246 vec_free (hw_if_indices);
251 VLIB_CLI_COMMAND (show_virtio_pci_command, static) = {
252 .path = "show virtio pci",
253 .short_help = "show virtio pci [<interface>] [descriptors | desc] [debug-device]",
254 .function = show_virtio_pci_fn,
259 virtio_pci_cli_init (vlib_main_t * vm)
264 VLIB_INIT_FUNCTION (virtio_pci_cli_init);
267 * fd.io coding-style-patch-verification: ON
270 * eval: (c-set-style "gnu")