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/*
*------------------------------------------------------------------
* Copyright (c) 2018 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*------------------------------------------------------------------
*/
#include <vlib/vlib.h>
#include <vlib/unix/unix.h>
#include <vlib/pci/pci.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/ip/ip4_packet.h>
#include <vnet/ip/ip6_packet.h>
#include <vnet/devices/virtio/virtio.h>
#include <vnet/devices/virtio/pci.h>
static clib_error_t *
virtio_pci_create_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
virtio_pci_create_if_args_t args;
u64 feature_mask = (u64) ~ (0ULL);
u32 buffering_size = 0;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
memset (&args, 0, sizeof (args));
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "%U", unformat_vlib_pci_addr, &args.addr))
;
else if (unformat (line_input, "feature-mask 0x%llx", &feature_mask))
args.features = feature_mask;
else if (unformat (line_input, "gso-enabled"))
args.gso_enabled = 1;
else if (unformat (line_input, "csum-enabled"))
args.checksum_offload_enabled = 1;
else if (unformat (line_input, "buffering"))
{
args.virtio_flags |= VIRTIO_FLAG_BUFFERING;
if (unformat (line_input, "size %u", &buffering_size))
args.buffering_size = buffering_size;
}
else if (unformat (line_input, "packed"))
args.virtio_flags |= VIRTIO_FLAG_PACKED;
else if (unformat (line_input, "bind force"))
args.bind = VIRTIO_BIND_FORCE;
else if (unformat (line_input, "bind"))
args.bind = VIRTIO_BIND_DEFAULT;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
virtio_pci_create_if (vm, &args);
return args.error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (virtio_pci_create_command, static) = {
.path = "create interface virtio",
.short_help = "create interface virtio <pci-address> "
"[feature-mask <hex-mask>] [gso-enabled] [csum-enabled] "
"[buffering [size <buffering-szie>]] [packed] [bind [force]]",
.function = virtio_pci_create_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
virtio_pci_delete_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
virtio_main_t *vim = &virtio_main;
virtio_if_t *vif;
vnet_main_t *vnm = vnet_get_main ();
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "sw_if_index %d", &sw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
if (sw_if_index == ~0)
return clib_error_return (0,
"please specify interface name or sw_if_index");
hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a virtio interface");
vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
if (virtio_pci_delete_if (vm, vif) < 0)
return clib_error_return (0, "not a virtio pci interface");
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (virtio_pci_delete_command, static) = {
.path = "delete interface virtio",
.short_help = "delete interface virtio "
"{<interface> | sw_if_index <sw_idx>}",
.function = virtio_pci_delete_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
virtio_pci_enable_command_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
unformat_input_t _line_input, *line_input = &_line_input;
u32 sw_if_index = ~0;
vnet_hw_interface_t *hw;
virtio_main_t *vim = &virtio_main;
virtio_if_t *vif;
vnet_main_t *vnm = vnet_get_main ();
int gso_enabled = 0, checksum_offload_enabled = 0;
int offloads_disabled = 0;
/* Get a line of input. */
if (!unformat_user (input, unformat_line_input, line_input))
return 0;
while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
{
if (unformat (line_input, "sw_if_index %d", &sw_if_index))
;
else if (unformat (line_input, "%U", unformat_vnet_sw_interface,
vnm, &sw_if_index))
;
else if (unformat (line_input, "gso-enabled"))
gso_enabled = 1;
else if (unformat (line_input, "csum-offload-enabled"))
checksum_offload_enabled = 1;
else if (unformat (line_input, "offloads-disabled"))
offloads_disabled = 1;
else
return clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
}
unformat_free (line_input);
if (sw_if_index == ~0)
return clib_error_return (0,
"please specify interface name or sw_if_index");
hw = vnet_get_sup_hw_interface_api_visible_or_null (vnm, sw_if_index);
if (hw == NULL || virtio_device_class.index != hw->dev_class_index)
return clib_error_return (0, "not a virtio interface");
vif = pool_elt_at_index (vim->interfaces, hw->dev_instance);
if (virtio_pci_enable_disable_offloads
(vm, vif, gso_enabled, checksum_offload_enabled, offloads_disabled) < 0)
return clib_error_return (0, "not able to enable/disable offloads");
return 0;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (virtio_pci_enable_command, static) = {
.path = "set virtio pci",
.short_help = "set virtio pci {<interface> | sw_if_index <sw_idx>}"
" [gso-enabled | csum-offload-enabled | offloads-disabled]",
.function = virtio_pci_enable_command_fn,
};
/* *INDENT-ON* */
static clib_error_t *
show_virtio_pci_fn (vlib_main_t * vm, unformat_input_t * input,
vlib_cli_command_t * cmd)
{
virtio_main_t *vim = &virtio_main;
vnet_main_t *vnm = &vnet_main;
virtio_if_t *vif;
clib_error_t *error = 0;
u32 hw_if_index, *hw_if_indices = 0;
vnet_hw_interface_t *hi;
u8 show_descr = 0, show_device_config = 0;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
if (unformat
(input, "%U", unformat_vnet_hw_interface, vnm, &hw_if_index))
{
hi = vnet_get_hw_interface (vnm, hw_if_index);
if (virtio_device_class.index != hi->dev_class_index)
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
}
vec_add1 (hw_if_indices, hw_if_index);
}
else if (unformat (input, "descriptors") || unformat (input, "desc"))
show_descr = 1;
else if (unformat (input, "debug-device"))
show_device_config = 1;
else
{
error = clib_error_return (0, "unknown input `%U'",
format_unformat_error, input);
goto done;
}
}
if (vec_len (hw_if_indices) == 0)
{
pool_foreach (vif, vim->interfaces)
vec_add1 (hw_if_indices, vif->hw_if_index);
}
else if (show_device_config)
{
vif = pool_elt_at_index (vim->interfaces, hi->dev_instance);
if (vif->type == VIRTIO_IF_TYPE_PCI)
vif->virtio_pci_func->device_debug_config_space (vm, vif);
}
virtio_show (vm, hw_if_indices, show_descr, VIRTIO_IF_TYPE_PCI);
done:
vec_free (hw_if_indices);
return error;
}
/* *INDENT-OFF* */
VLIB_CLI_COMMAND (show_virtio_pci_command, static) = {
.path = "show virtio pci",
.short_help = "show virtio pci [<interface>] [descriptors | desc] [debug-device]",
.function = show_virtio_pci_fn,
};
/* *INDENT-ON* */
clib_error_t *
virtio_pci_cli_init (vlib_main_t * vm)
{
return 0;
}
VLIB_INIT_FUNCTION (virtio_pci_cli_init);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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