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      1 /*	$NetBSD: rss_config.h,v 1.2 2021/09/24 04:11:02 knakahara Exp $  */
      2 
      3 /*
      4  * Copyright (c) 2018 Internet Initiative Japan Inc.
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _NET_RSS_CONFIG_H_
     30 #define _NET_RSS_CONFIG_H_
     31 
     32 #define RSS_KEYSIZE 40
     33 
     34 #define RSS_TOEPLITZ_USE_TCP_PORT __BIT(0)
     35 #define RSS_TOEPLITZ_USE_UDP_PORT __BIT(1)
     36 
     37 void	rss_getkey(uint8_t *);
     38 
     39 uint32_t rss_toeplitz_hash_from_mbuf_ipv4(const struct mbuf *, u_int);
     40 uint32_t rss_toeplitz_hash_from_mbuf_ipv6(const struct mbuf *, u_int);
     41 
     42 #endif /* _NET_RSS_CONFIG_H_ */
     43