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/*-
* BSD LICENSE
*
* Copyright (c) 2017 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/queue.h>
#include <string.h>
#include <errno.h>
#include <rte_log.h>
#include "sfc_dp.h"
void
sfc_dp_queue_init(struct sfc_dp_queue *dpq, uint16_t port_id, uint16_t queue_id,
const struct rte_pci_addr *pci_addr)
{
dpq->port_id = port_id;
dpq->queue_id = queue_id;
dpq->pci_addr = *pci_addr;
}
struct sfc_dp *
sfc_dp_find_by_name(struct sfc_dp_list *head, enum sfc_dp_type type,
const char *name)
{
struct sfc_dp *entry;
TAILQ_FOREACH(entry, head, links) {
if (entry->type != type)
continue;
if (strcmp(entry->name, name) == 0)
return entry;
}
return NULL;
}
struct sfc_dp *
sfc_dp_find_by_caps(struct sfc_dp_list *head, enum sfc_dp_type type,
unsigned int avail_caps)
{
struct sfc_dp *entry;
TAILQ_FOREACH(entry, head, links) {
if (entry->type != type)
continue;
/* Take the first matching */
if (sfc_dp_match_hw_fw_caps(entry, avail_caps))
return entry;
}
return NULL;
}
int
sfc_dp_register(struct sfc_dp_list *head, struct sfc_dp *entry)
{
if (sfc_dp_find_by_name(head, entry->type, entry->name) != NULL) {
rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD,
"sfc %s dapapath '%s' already registered\n",
entry->type == SFC_DP_RX ? "Rx" :
entry->type == SFC_DP_TX ? "Tx" :
"unknown",
entry->name);
return EEXIST;
}
TAILQ_INSERT_TAIL(head, entry, links);
return 0;
}
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