9e7fc8b8f3
Add support of choice the preferred firmware variant to use in device parameters. Signed-off-by: Roman Zhukov <roman.zhukov@oktetlabs.ru> Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
123 lines
2.3 KiB
C
123 lines
2.3 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2016-2018 Solarflare Communications Inc.
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* All rights reserved.
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*
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* This software was jointly developed between OKTET Labs (under contract
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* for Solarflare) and Solarflare Communications, Inc.
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*/
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#include <stdbool.h>
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#include <strings.h>
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#include <rte_devargs.h>
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#include <rte_kvargs.h>
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#include "sfc.h"
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#include "sfc_kvargs.h"
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int
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sfc_kvargs_parse(struct sfc_adapter *sa)
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{
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struct rte_eth_dev *eth_dev = (sa)->eth_dev;
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struct rte_devargs *devargs = eth_dev->device->devargs;
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const char **params = (const char *[]){
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SFC_KVARG_STATS_UPDATE_PERIOD_MS,
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SFC_KVARG_PERF_PROFILE,
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SFC_KVARG_RX_DATAPATH,
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SFC_KVARG_TX_DATAPATH,
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SFC_KVARG_FW_VARIANT,
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NULL,
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};
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if (devargs == NULL)
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return 0;
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sa->kvargs = rte_kvargs_parse(devargs->args, params);
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if (sa->kvargs == NULL)
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return EINVAL;
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return 0;
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}
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void
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sfc_kvargs_cleanup(struct sfc_adapter *sa)
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{
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rte_kvargs_free(sa->kvargs);
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}
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static int
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sfc_kvarg_match_value(const char *value, const char * const *values,
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unsigned int n_values)
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{
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unsigned int i;
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for (i = 0; i < n_values; ++i)
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if (strcasecmp(value, values[i]) == 0)
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return 1;
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return 0;
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}
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int
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sfc_kvargs_process(struct sfc_adapter *sa, const char *key_match,
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arg_handler_t handler, void *opaque_arg)
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{
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if (sa->kvargs == NULL)
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return 0;
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return -rte_kvargs_process(sa->kvargs, key_match, handler, opaque_arg);
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}
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int
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sfc_kvarg_bool_handler(__rte_unused const char *key,
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const char *value_str, void *opaque)
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{
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const char * const true_strs[] = {
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"1", "y", "yes", "on", "true"
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};
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const char * const false_strs[] = {
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"0", "n", "no", "off", "false"
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};
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bool *value = opaque;
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if (sfc_kvarg_match_value(value_str, true_strs,
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RTE_DIM(true_strs)))
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*value = true;
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else if (sfc_kvarg_match_value(value_str, false_strs,
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RTE_DIM(false_strs)))
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*value = false;
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else
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return -EINVAL;
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return 0;
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}
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int
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sfc_kvarg_long_handler(__rte_unused const char *key,
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const char *value_str, void *opaque)
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{
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long value;
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char *endptr;
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if (!value_str || !opaque)
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return -EINVAL;
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value = strtol(value_str, &endptr, 0);
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if (endptr == value_str)
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return -EINVAL;
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*(long *)opaque = value;
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return 0;
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}
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int
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sfc_kvarg_string_handler(__rte_unused const char *key,
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const char *value_str, void *opaque)
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{
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*(const char **)opaque = value_str;
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return 0;
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}
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