72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright (c) 2015-2021 Amazon.com, Inc. or its affiliates.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef ENA_RSS_H
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#define ENA_RSS_H
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#include "opt_rss.h"
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#include <sys/types.h>
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#ifdef RSS
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#include <net/rss_config.h>
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#endif
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#include "ena.h"
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#define ENA_RX_RSS_MSG_RECORD_SZ 8
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struct ena_indir {
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uint32_t table[ENA_RX_RSS_TABLE_SIZE];
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/* This is the buffer wired to `rss.indir_table` sysctl. */
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char sysctl_buf[ENA_RX_RSS_TABLE_SIZE * ENA_RX_RSS_MSG_RECORD_SZ];
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};
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int ena_rss_set_hash(struct ena_com_dev *ena_dev, const u8 *key);
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int ena_rss_get_hash_key(struct ena_com_dev *ena_dev, u8 *key);
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int ena_rss_configure(struct ena_adapter *);
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int ena_rss_indir_get(struct ena_adapter *adapter, uint32_t *table);
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int ena_rss_indir_set(struct ena_adapter *adapter, uint32_t *table);
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int ena_rss_indir_init(struct ena_adapter *adapter);
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static inline void
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ena_rss_copy_indir_buf(char *buf, uint32_t *table)
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{
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int i;
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for (i = 0; i < ENA_RX_RSS_TABLE_SIZE; ++i) {
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buf += snprintf(buf, ENA_RX_RSS_MSG_RECORD_SZ + 1, "%s%d:%d",
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i == 0 ? "" : " ", i, table[i]);
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}
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}
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#endif /* !(ENA_RSS_H) */
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