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/*-
* BSD LICENSE
*
* Copyright (c) 2017 Solarflare Communications Inc.
* All rights reserved.
*
* This software was jointly developed between OKTET Labs (under contract
* for Solarflare) and Solarflare Communications, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#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
#if EFSYS_OPT_RX_SCALE
/* 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];
};
#endif /* EFSYS_OPT_RX_SCALE */
/* PMD-specific definition of the opaque type from rte_flow.h */
struct rte_flow {
efx_filter_spec_t spec; /* filter specification */
#if EFSYS_OPT_RX_SCALE
boolean_t rss; /* RSS toggle */
struct sfc_flow_rss rss_conf; /* RSS configuration */
#endif /* EFSYS_OPT_RX_SCALE */
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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