a62ec90522
Provide minimal implementation for port representors that only can be configured and can provide device information. Signed-off-by: Igor Romanov <igor.romanov@oktetlabs.ru> Signed-off-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru> Reviewed-by: Andy Moreton <amoreton@xilinx.com> Reviewed-by: Ivan Malov <ivan.malov@oktetlabs.ru>
127 lines
2.5 KiB
C
127 lines
2.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
|
|
*
|
|
* Copyright(c) 2019-2021 Xilinx, Inc.
|
|
* Copyright(c) 2016-2019 Solarflare Communications Inc.
|
|
*
|
|
* This software was jointly developed between OKTET Labs (under contract
|
|
* for Solarflare) and Solarflare Communications, Inc.
|
|
*/
|
|
|
|
#include <stdbool.h>
|
|
#include <strings.h>
|
|
|
|
#include <rte_devargs.h>
|
|
#include <rte_kvargs.h>
|
|
|
|
#include "sfc.h"
|
|
#include "sfc_kvargs.h"
|
|
|
|
int
|
|
sfc_kvargs_parse(struct sfc_adapter *sa)
|
|
{
|
|
struct rte_eth_dev *eth_dev = (sa)->eth_dev;
|
|
struct rte_devargs *devargs = eth_dev->device->devargs;
|
|
const char **params = (const char *[]){
|
|
SFC_KVARG_SWITCH_MODE,
|
|
SFC_KVARG_REPRESENTOR,
|
|
SFC_KVARG_STATS_UPDATE_PERIOD_MS,
|
|
SFC_KVARG_PERF_PROFILE,
|
|
SFC_KVARG_RX_DATAPATH,
|
|
SFC_KVARG_TX_DATAPATH,
|
|
SFC_KVARG_FW_VARIANT,
|
|
SFC_KVARG_RXD_WAIT_TIMEOUT_NS,
|
|
RTE_DEVARGS_KEY_CLASS,
|
|
NULL,
|
|
};
|
|
|
|
if (devargs == NULL)
|
|
return 0;
|
|
|
|
sa->kvargs = rte_kvargs_parse(devargs->args, params);
|
|
if (sa->kvargs == NULL)
|
|
return EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void
|
|
sfc_kvargs_cleanup(struct sfc_adapter *sa)
|
|
{
|
|
rte_kvargs_free(sa->kvargs);
|
|
}
|
|
|
|
static int
|
|
sfc_kvarg_match_value(const char *value, const char * const *values,
|
|
unsigned int n_values)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i < n_values; ++i)
|
|
if (strcasecmp(value, values[i]) == 0)
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfc_kvargs_process(struct sfc_adapter *sa, const char *key_match,
|
|
arg_handler_t handler, void *opaque_arg)
|
|
{
|
|
if (sa->kvargs == NULL)
|
|
return 0;
|
|
|
|
return -rte_kvargs_process(sa->kvargs, key_match, handler, opaque_arg);
|
|
}
|
|
|
|
int
|
|
sfc_kvarg_bool_handler(__rte_unused const char *key,
|
|
const char *value_str, void *opaque)
|
|
{
|
|
const char * const true_strs[] = {
|
|
"1", "y", "yes", "on", "true"
|
|
};
|
|
const char * const false_strs[] = {
|
|
"0", "n", "no", "off", "false"
|
|
};
|
|
bool *value = opaque;
|
|
|
|
if (sfc_kvarg_match_value(value_str, true_strs,
|
|
RTE_DIM(true_strs)))
|
|
*value = true;
|
|
else if (sfc_kvarg_match_value(value_str, false_strs,
|
|
RTE_DIM(false_strs)))
|
|
*value = false;
|
|
else
|
|
return -EINVAL;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfc_kvarg_long_handler(__rte_unused const char *key,
|
|
const char *value_str, void *opaque)
|
|
{
|
|
long value;
|
|
char *endptr;
|
|
|
|
if (!value_str || !opaque)
|
|
return -EINVAL;
|
|
|
|
value = strtol(value_str, &endptr, 0);
|
|
if (endptr == value_str)
|
|
return -EINVAL;
|
|
|
|
*(long *)opaque = value;
|
|
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
sfc_kvarg_string_handler(__rte_unused const char *key,
|
|
const char *value_str, void *opaque)
|
|
{
|
|
*(const char **)opaque = value_str;
|
|
|
|
return 0;
|
|
}
|