numam-dpdk/drivers/net/sfc/sfc_dp.c
Andrew Rybchenko a0147be547 net/sfc: add Xilinx copyright
Xilinx acquired Solarflare in 2019.

Signed-off-by: Andrew Rybchenko <arybchenko@solarflare.com>
Acked-by: James Fox <jamesfox@xilinx.com>
2020-04-21 13:57:06 +02:00

80 lines
1.6 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2019-2020 Xilinx, Inc.
* Copyright(c) 2017-2019 Solarflare Communications Inc.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*/
#include <sys/queue.h>
#include <string.h>
#include <errno.h>
#include <rte_log.h>
#include "sfc_dp.h"
#include "sfc_log.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) {
SFC_GENERIC_LOG(ERR,
"sfc %s dapapath '%s' already registered",
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;
}