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/* SPDX-License-Identifier: BSD-3-Clause
*
* Copyright (c) 2017-2018 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*/
#ifndef _SFC_FLOW_H
#define _SFC_FLOW_H
#include <rte_tailq.h>
#include <rte_flow_driver.h>
#include "efx.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* The maximum number of fully elaborated hardware filter specifications
* which can be produced from a template by means of multiplication, if
* missing match flags are needed to be taken into account
*/
#define SF_FLOW_SPEC_NB_FILTERS_MAX 8
/* RSS configuration storage */
struct sfc_flow_rss {
unsigned int rxq_hw_index_min;
unsigned int rxq_hw_index_max;
unsigned int rss_hash_types;
uint8_t rss_key[EFX_RSS_KEY_SIZE];
unsigned int rss_tbl[EFX_RSS_TBL_SIZE];
};
/* Filter specification storage */
struct sfc_flow_spec {
/* partial specification from flow rule */
efx_filter_spec_t template;
/* fully elaborated hardware filters specifications */
efx_filter_spec_t filters[SF_FLOW_SPEC_NB_FILTERS_MAX];
/* number of complete specifications */
unsigned int count;
};
/* PMD-specific definition of the opaque type from rte_flow.h */
struct rte_flow {
struct sfc_flow_spec spec; /* flow spec for hardware filter(s) */
boolean_t rss; /* RSS toggle */
struct sfc_flow_rss rss_conf; /* RSS configuration */
TAILQ_ENTRY(rte_flow) entries; /* flow list entries */
};
TAILQ_HEAD(sfc_flow_list, rte_flow);
extern const struct rte_flow_ops sfc_flow_ops;
struct sfc_adapter;
void sfc_flow_init(struct sfc_adapter *sa);
void sfc_flow_fini(struct sfc_adapter *sa);
int sfc_flow_start(struct sfc_adapter *sa);
void sfc_flow_stop(struct sfc_adapter *sa);
#ifdef __cplusplus
}
#endif
#endif /* _SFC_FLOW_H */
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