numam-dpdk/drivers/net/bnxt/tf_ulp/ulp_fc_mgr.h
Somnath Kotur 49b8d40b1f net/bnxt: avoid hard coded values when reading counters
Instead of using hardcoded values for the byte/pkt value shifts/masks
to read from the HW counters, use the shift/mask values from the device
template params

Reviewed-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Signed-off-by: Somnath Kotur <somnath.kotur@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
2020-07-11 06:18:53 +02:00

166 lines
4.1 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2014-2019 Broadcom
* All rights reserved.
*/
#ifndef _ULP_FC_MGR_H_
#define _ULP_FC_MGR_H_
#include "bnxt_ulp.h"
#include "tf_core.h"
#define ULP_FLAG_FC_THREAD BIT(0)
#define ULP_FC_TIMER 1/* Timer freq in Sec Flow Counters */
/* Macros to extract packet/byte counters from a 64-bit flow counter. */
#define FLOW_CNTR_BYTE_WIDTH 36
#define FLOW_CNTR_BYTE_MASK (((uint64_t)1 << FLOW_CNTR_BYTE_WIDTH) - 1)
#define FLOW_CNTR_PKTS(v, d) (((v) & (d)->packet_count_mask) >> \
(d)->packet_count_shift)
#define FLOW_CNTR_BYTES(v, d) (((v) & (d)->byte_count_mask) >> \
(d)->byte_count_shift)
struct sw_acc_counter {
uint64_t pkt_count;
uint64_t byte_count;
bool valid;
uint32_t hw_cntr_id;
};
struct hw_fc_mem_info {
/*
* [out] mem_va, pointer to the allocated memory.
*/
void *mem_va;
/*
* [out] mem_pa, physical address of the allocated memory.
*/
void *mem_pa;
uint32_t start_idx;
};
struct bnxt_ulp_fc_info {
struct sw_acc_counter *sw_acc_tbl[TF_DIR_MAX];
struct hw_fc_mem_info shadow_hw_tbl[TF_DIR_MAX];
uint32_t flags;
uint32_t num_entries;
pthread_mutex_t fc_lock;
};
int32_t
ulp_fc_mgr_init(struct bnxt_ulp_context *ctxt);
/*
* Release all resources in the flow counter manager for this ulp context
*
* ctxt [in] The ulp context for the flow counter manager
*/
int32_t
ulp_fc_mgr_deinit(struct bnxt_ulp_context *ctxt);
/*
* Setup the Flow counter timer thread that will fetch/accumulate raw counter
* data from the chip's internal flow counters
*
* ctxt [in] The ulp context for the flow counter manager
*/
int32_t
ulp_fc_mgr_thread_start(struct bnxt_ulp_context *ctxt);
/*
* Alarm handler that will issue the TF-Core API to fetch
* data from the chip's internal flow counters
*
* ctxt [in] The ulp context for the flow counter manager
*/
void
ulp_fc_mgr_alarm_cb(void *arg);
/*
* Cancel the alarm handler
*
* ctxt [in] The ulp context for the flow counter manager
*
*/
void ulp_fc_mgr_thread_cancel(struct bnxt_ulp_context *ctxt);
/*
* Set the starting index that indicates the first HW flow
* counter ID
*
* ctxt [in] The ulp context for the flow counter manager
*
* dir [in] The direction of the flow
*
* start_idx [in] The HW flow counter ID
*
*/
int ulp_fc_mgr_start_idx_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
uint32_t start_idx);
/*
* Set the corresponding SW accumulator table entry based on
* the difference between this counter ID and the starting
* counter ID. Also, keep track of num of active counter enabled
* flows.
*
* ctxt [in] The ulp context for the flow counter manager
*
* dir [in] The direction of the flow
*
* hw_cntr_id [in] The HW flow counter ID
*
*/
int ulp_fc_mgr_cntr_set(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
uint32_t hw_cntr_id);
/*
* Reset the corresponding SW accumulator table entry based on
* the difference between this counter ID and the starting
* counter ID.
*
* ctxt [in] The ulp context for the flow counter manager
*
* dir [in] The direction of the flow
*
* hw_cntr_id [in] The HW flow counter ID
*
*/
int ulp_fc_mgr_cntr_reset(struct bnxt_ulp_context *ctxt, enum tf_dir dir,
uint32_t hw_cntr_id);
/*
* Check if the starting HW counter ID value is set in the
* flow counter manager.
*
* ctxt [in] The ulp context for the flow counter manager
*
* dir [in] The direction of the flow
*
*/
bool ulp_fc_mgr_start_idx_isset(struct bnxt_ulp_context *ctxt, enum tf_dir dir);
/*
* Check if the alarm thread that walks through the flows is started
*
* ctxt [in] The ulp context for the flow counter manager
*
*/
bool ulp_fc_mgr_thread_isstarted(struct bnxt_ulp_context *ctxt);
/*
* Fill the rte_flow_query_count 'data' argument passed
* in the rte_flow_query() with the values obtained and
* accumulated locally.
*
* ctxt [in] The ulp context for the flow counter manager
*
* flow_id [in] The HW flow ID
*
* count [out] The rte_flow_query_count 'data' that is set
*
*/
int ulp_fc_mgr_query_count_get(struct bnxt_ulp_context *ulp_ctx,
uint32_t flow_id,
struct rte_flow_query_count *count);
#endif /* _ULP_FC_MGR_H_ */