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/* Copyright (c) 2014-2018, Linaro Limited
* Copyright (c) 2021, Nokia
* All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
/**
* @file
*
* ODP Classification Internal
* Describes the classification internal Functions
*/
#ifndef __ODP_CLASSIFICATION_INTERNAL_H_
#define __ODP_CLASSIFICATION_INTERNAL_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <odp/api/atomic.h>
#include <odp/api/classification.h>
#include <odp/api/hints.h>
#include <odp/api/queue.h>
#include <odp_packet_internal.h>
#include <odp/api/packet_io.h>
#include <odp_packet_io_internal.h>
#include <odp_classification_datamodel.h>
extern cls_global_t *_odp_cls_global;
static inline cos_t *_odp_cos_entry_from_idx(uint32_t ndx)
{
return &_odp_cls_global->cos_tbl.cos_entry[ndx];
}
static inline int _odp_cos_queue_idx(const cos_t *cos, odp_queue_t queue)
{
uint32_t i, tbl_idx;
int queue_idx = -1;
if (cos->s.num_queue == 1) {
if (odp_unlikely(cos->s.queue != queue))
return -1;
return 0;
}
tbl_idx = cos->s.index * CLS_COS_QUEUE_MAX;
for (i = 0; i < cos->s.num_queue; i++) {
if (_odp_cls_global->queue_grp_tbl.s.queue[tbl_idx + i] == queue) {
queue_idx = i;
break;
}
}
return queue_idx;
}
static inline void _odp_cos_queue_stats_add(cos_t *cos, odp_queue_t queue,
uint64_t packets, uint64_t discards)
{
int queue_idx = _odp_cos_queue_idx(cos, queue);
if (odp_unlikely(queue_idx < 0)) {
ODP_ERR("Queue not attached to the CoS\n");
return;
}
if (packets)
odp_atomic_add_u64(&cos->s.stats[queue_idx].packets, packets);
if (discards)
odp_atomic_add_u64(&cos->s.stats[queue_idx].discards, discards);
}
/** Classification Internal function **/
/**
@internal
Packet Classifier
Start function for Packet Classifier
This function calls Classifier module internal functions for a given packet and
selects destination queue and packet pool based on selected PMR and CoS.
**/
int _odp_cls_classify_packet(pktio_entry_t *entry, const uint8_t *base,
uint16_t pkt_len, uint32_t seg_len, odp_pool_t *pool,
odp_packet_hdr_t *pkt_hdr, odp_bool_t parse);
/**
Packet IO classifier init
This function does initialization of classifier object associated with pktio.
This function should be called during pktio initialization.
**/
int _odp_pktio_classifier_init(pktio_entry_t *pktio);
#ifdef __cplusplus
}
#endif
#endif
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