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/* SPDX-License-Identifier: Apache-2.0
* Copyright (c) 2023 Cisco Systems, Inc.
*/
#include "vppinfra/error.h"
#include "vppinfra/pool.h"
#include <vnet/vnet.h>
#include <vnet/ethernet/ethernet.h>
#include <vnet/dev/dev.h>
#include <vnet/dev/api.h>
#include <vnet/dev/log.h>
VLIB_REGISTER_LOG_CLASS (dev_log, static) = {
.class_name = "dev",
.subclass_name = "config",
};
static clib_error_t *
vnet_dev_config_one_interface (vlib_main_t *vm, unformat_input_t *input,
vnet_dev_api_create_port_if_args_t *args)
{
clib_error_t *err = 0;
log_debug (0, "port %u %U", args->port_id, format_unformat_input, input);
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
u32 n;
if (unformat (input, "name %U", unformat_c_string_array, args->intf_name,
sizeof (args->intf_name)))
;
else if (unformat (input, "num-rx-queues %u", &n))
args->num_rx_queues = n;
else if (unformat (input, "num-tx-queues %u", &n))
args->num_tx_queues = n;
else if (unformat (input, "rx-queue-size %u", &n))
args->rx_queue_size = n;
else if (unformat (input, "tx-queue-size %u", &n))
args->tx_queue_size = n;
else if (unformat (input, "flags %U", unformat_vnet_dev_port_flags,
&args->flags))
;
else if (unformat (input, "args %U", unformat_single_quoted_string,
&args->args))
;
else
{
err = clib_error_return (0, "unknown input '%U'",
format_unformat_error, input);
break;
}
}
return err;
}
static clib_error_t *
vnet_dev_config_one_device (vlib_main_t *vm, unformat_input_t *input,
char *device_id)
{
log_debug (0, "device %s %U", device_id, format_unformat_input, input);
clib_error_t *err = 0;
vnet_dev_api_attach_args_t args = {};
vnet_dev_api_create_port_if_args_t *if_args_vec = 0, *if_args;
while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
{
unformat_input_t sub_input;
u32 n;
if (unformat (input, "driver %U", unformat_c_string_array,
args.driver_name, sizeof (args.driver_name)))
;
else if (unformat (input, "flags %U", unformat_vnet_dev_flags,
&args.flags))
;
else if (unformat (input, "args %U", unformat_single_quoted_string,
&args.args))
;
else if (unformat (input, "port %u %U", &n, unformat_vlib_cli_sub_input,
&sub_input))
{
vnet_dev_api_create_port_if_args_t *if_args;
vec_add2 (if_args_vec, if_args, 1);
if_args->port_id = n;
err = vnet_dev_config_one_interface (vm, &sub_input, if_args);
unformat_free (&sub_input);
if (err)
break;
}
else
{
err = clib_error_return (0, "unknown input '%U'",
format_unformat_error, input);
break;
}
}
if (err == 0)
{
vnet_dev_rv_t rv;
clib_memcpy (args.device_id, device_id, sizeof (args.device_id));
rv = vnet_dev_api_attach (vm, &args);
vec_free (args.args);
if (rv == VNET_DEV_OK)
{
vec_foreach (if_args, if_args_vec)
{
clib_memcpy (if_args->device_id, device_id,
sizeof (if_args->device_id));
rv = vnet_dev_api_create_port_if (vm, if_args);
if (rv != VNET_DEV_OK)
break;
}
}
if (rv != VNET_DEV_OK)
err = clib_error_return (0, "error: %U for device '%s'",
format_vnet_dev_rv, rv, device_id);
}
vec_free (if_args_vec);
return err;
}
uword
dev_config_process_node_fn (vlib_main_t *vm, vlib_node_runtime_t *rt,
vlib_frame_t *f)
{
vnet_dev_main_t *dm = &vnet_dev_main;
unformat_input_t input;
clib_error_t *err = 0;
if (dm->startup_config == 0)
return 0;
unformat_init_vector (&input, dm->startup_config);
dm->startup_config = 0;
while (!err && unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
{
unformat_input_t sub_input;
vnet_dev_device_id_t device_id;
if (unformat (&input, "dev %U %U", unformat_c_string_array, device_id,
sizeof (device_id), unformat_vlib_cli_sub_input,
&sub_input))
{
err = vnet_dev_config_one_device (vm, &sub_input, device_id);
unformat_free (&sub_input);
}
else if (unformat (&input, "dev %U", unformat_c_string_array, device_id,
sizeof (device_id)))
{
unformat_input_t no_input = {};
unformat_init_vector (&no_input, 0);
err = vnet_dev_config_one_device (vm, &no_input, device_id);
unformat_free (&no_input);
}
else
err = clib_error_return (0, "unknown input '%U'",
format_unformat_error, &input);
}
unformat_free (&input);
if (err)
{
log_err (0, "%U", format_clib_error, err);
clib_error_free (err);
}
vlib_node_set_state (vm, rt->node_index, VLIB_NODE_STATE_DISABLED);
vlib_node_rename (vm, rt->node_index, "deleted-%u", rt->node_index);
vec_add1 (dm->free_process_node_indices, rt->node_index);
return 0;
}
VLIB_REGISTER_NODE (dev_config_process_node) = {
.function = dev_config_process_node_fn,
.type = VLIB_NODE_TYPE_PROCESS,
.name = "dev-config",
};
static clib_error_t *
devices_config (vlib_main_t *vm, unformat_input_t *input)
{
vnet_dev_main_t *dm = &vnet_dev_main;
uword c;
while ((c = unformat_get_input (input)) != UNFORMAT_END_OF_INPUT)
vec_add1 (dm->startup_config, c);
return 0;
}
VLIB_CONFIG_FUNCTION (devices_config, "devices");
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