numam-dpdk/drivers/net/sfc/sfc_mae_counter.h
Ivan Malov 9df2d8f5cc net/sfc: support counters in tunnel offload jump rules
Such a counter will only report the number of hits, which is actually
a sum of two contributions (the JUMP rule's own counter + indirect
increments issued by counters of the associated GROUP rules.

Signed-off-by: Ivan Malov <ivan.malov@oktetlabs.ru>
Reviewed-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
2021-10-13 21:30:13 +02:00

62 lines
1.8 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright(c) 2020-2021 Xilinx, Inc.
*/
#ifndef _SFC_MAE_COUNTER_H
#define _SFC_MAE_COUNTER_H
#include "sfc.h"
#ifdef __cplusplus
extern "C" {
#endif
/* Default values for a user of counter RxQ */
#define SFC_MAE_COUNTER_RX_BURST 32
#define SFC_COUNTER_RXQ_RX_DESC_COUNT 256
/*
* The refill level is chosen based on requirement to keep number
* of give credits operations low.
*/
#define SFC_COUNTER_RXQ_REFILL_LEVEL (SFC_COUNTER_RXQ_RX_DESC_COUNT / 4)
/*
* SF-122415-TC states that the packetiser that generates packets for
* counter stream must support 9k frames. Set it to the maximum supported
* size since in case of huge flow of counters, having fewer packets in counter
* updates is better.
*/
#define SFC_MAE_COUNTER_STREAM_PACKET_SIZE 9216
bool sfc_mae_counter_rxq_required(struct sfc_adapter *sa);
int sfc_mae_counter_rxq_attach(struct sfc_adapter *sa);
void sfc_mae_counter_rxq_detach(struct sfc_adapter *sa);
int sfc_mae_counter_rxq_init(struct sfc_adapter *sa);
void sfc_mae_counter_rxq_fini(struct sfc_adapter *sa);
int sfc_mae_counters_init(struct sfc_mae_counters *counters,
uint32_t nb_counters_max);
void sfc_mae_counters_fini(struct sfc_mae_counters *counters);
int sfc_mae_counter_enable(struct sfc_adapter *sa,
struct sfc_mae_counter_id *counterp);
int sfc_mae_counter_disable(struct sfc_adapter *sa,
struct sfc_mae_counter_id *counter);
int sfc_mae_counter_get(struct sfc_mae_counters *counters,
const struct sfc_mae_counter_id *counter,
struct rte_flow_query_count *data);
int sfc_mae_counter_start(struct sfc_adapter *sa);
void sfc_mae_counter_stop(struct sfc_adapter *sa);
/* Check whether MAE Counter-on-Queue (CoQ) prerequisites are satisfied */
bool sfc_mae_counter_stream_enabled(struct sfc_adapter *sa);
#ifdef __cplusplus
}
#endif
#endif /* _SFC_MAE_COUNTER_H */