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/* SPDX-License-Identifier: GPL-2.0-only */
/****************************************************************************
* Driver for Solarflare network controllers and boards
* Copyright 2022 Advanced Micro Devices, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation, incorporated herein by reference.
*/
#ifndef EFX_TC_COUNTERS_H
#define EFX_TC_COUNTERS_H
#include <linux/refcount.h>
#include "net_driver.h"
#include "mcdi_pcol.h" /* for MAE_COUNTER_TYPE_* */
enum efx_tc_counter_type {
EFX_TC_COUNTER_TYPE_AR = MAE_COUNTER_TYPE_AR,
EFX_TC_COUNTER_TYPE_CT = MAE_COUNTER_TYPE_CT,
EFX_TC_COUNTER_TYPE_OR = MAE_COUNTER_TYPE_OR,
EFX_TC_COUNTER_TYPE_MAX
};
struct efx_tc_counter {
u32 fw_id; /* index in firmware counter table */
enum efx_tc_counter_type type;
struct rhash_head linkage; /* efx->tc->counter_ht */
};
struct efx_tc_counter_index {
unsigned long cookie;
struct rhash_head linkage; /* efx->tc->counter_id_ht */
refcount_t ref;
struct efx_tc_counter *cnt;
};
/* create/uncreate/teardown hashtables */
int efx_tc_init_counters(struct efx_nic *efx);
void efx_tc_destroy_counters(struct efx_nic *efx);
void efx_tc_fini_counters(struct efx_nic *efx);
extern const struct efx_channel_type efx_tc_channel_type;
#endif /* EFX_TC_COUNTERS_H */
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