c22d3c508e
Supported options are auto (based on NIC firmware variant and installed licences), throughput, low-latency. Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com> Reviewed-by: Andrew Lee <alee@solarflare.com> Reviewed-by: Robert Stonehouse <rstonehouse@solarflare.com>
113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
/*-
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* Copyright (c) 2016 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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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_DEBUG_INIT,
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SFC_KVARG_MCDI_LOGGING,
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SFC_KVARG_PERF_PROFILE,
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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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