Differential D12425 Diff 33244 sys/dev/liquidio/lio_rss.h

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sys/dev/liquidio/lio_rss.h

				/*
				* BSD LICENSE
				*
				* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
				* All rights reserved.
				*
				* Redistribution and use in source and binary forms, with or without
				* modification, are permitted provided that the following conditions
				* are met:
				*
				* * Redistributions of source code must retain the above copyright
				* notice, this list of conditions and the following disclaimer.
				* * 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.
				* * Neither the name of Cavium, Inc. nor the names of its
				* contributors may be used to endorse or promote products derived
				* from this software without specific prior written permission.
				*
				* 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(S) 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.
				*/
				/$FreeBSD$/

				#ifndef __LIO_RSS_H__
				#define __LIO_RSS_H__

				#ifdef RSS

				#include <net/rss_config.h>
				#include <netinet/in_rss.h>

				#define LIO_RSS_TABLE_SZ 128
				#define LIO_RSS_KEY_SZ 40

				struct lio_rss_params {
				#define LIO_RSS_PARAM_SIZE 16
				struct param {
				#if BYTE_ORDER == LITTLE_ENDIAN
				uint64_t flags:16;
				uint64_t hashinfo:32;
				uint64_t itablesize:16;

				uint64_t hashkeysize:16;
				uint64_t reserved:48;
				#elif BYTE_ORDER == BIG_ENDIAN
				uint64_t itablesize:16;
				uint64_t hashinfo:32;
				uint64_t flags:16;

				uint64_t reserved:48;
				uint64_t hashkeysize:16;
				#else
				#error Undefined BYTE_ORDER
				#endif
				} param;

				uint8_t itable[LIO_RSS_TABLE_SZ];
				uint8_t key[LIO_RSS_KEY_SZ];

				};

				struct lio_rss_params_set {
				uint8_t key[LIO_RSS_KEY_SZ];
				uint8_t fw_itable[LIO_RSS_TABLE_SZ];
				uint64_t hashinfo;

				};

				#endif /* RSS */

				#define LIO_RSS_HASH_IPV4 0x100
				#define LIO_RSS_HASH_TCP_IPV4 0x200
				#define LIO_RSS_HASH_IPV6 0x400
				#define LIO_RSS_HASH_IPV6_EX 0x800
				#define LIO_RSS_HASH_TCP_IPV6 0x1000
				#define LIO_RSS_HASH_TCP_IPV6_EX 0x2000

				#endif /* __LIO_RSS_H__ */