1 /* 2 * BSD LICENSE 3 * 4 * Copyright(c) 2017 Cavium, Inc.. All rights reserved. 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 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Cavium, Inc. nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef __LIO_RSS_H__ 35 #define __LIO_RSS_H__ 36 37 #ifdef RSS 38 39 #include <net/rss_config.h> 40 #include <netinet/in_rss.h> 41 42 #define LIO_RSS_TABLE_SZ 128 43 #define LIO_RSS_KEY_SZ 40 44 45 struct lio_rss_params { 46 #define LIO_RSS_PARAM_SIZE 16 47 struct param { 48 #if BYTE_ORDER == LITTLE_ENDIAN 49 uint64_t flags:16; 50 uint64_t hashinfo:32; 51 uint64_t itablesize:16; 52 53 uint64_t hashkeysize:16; 54 uint64_t reserved:48; 55 #elif BYTE_ORDER == BIG_ENDIAN 56 uint64_t itablesize:16; 57 uint64_t hashinfo:32; 58 uint64_t flags:16; 59 60 uint64_t reserved:48; 61 uint64_t hashkeysize:16; 62 #else 63 #error Undefined BYTE_ORDER 64 #endif 65 } param; 66 67 uint8_t itable[LIO_RSS_TABLE_SZ]; 68 uint8_t key[LIO_RSS_KEY_SZ]; 69 70 }; 71 72 struct lio_rss_params_set { 73 uint8_t key[LIO_RSS_KEY_SZ]; 74 uint8_t fw_itable[LIO_RSS_TABLE_SZ]; 75 uint64_t hashinfo; 76 77 }; 78 79 #endif /* RSS */ 80 81 #define LIO_RSS_HASH_IPV4 0x100 82 #define LIO_RSS_HASH_TCP_IPV4 0x200 83 #define LIO_RSS_HASH_IPV6 0x400 84 #define LIO_RSS_HASH_IPV6_EX 0x800 85 #define LIO_RSS_HASH_TCP_IPV6 0x1000 86 #define LIO_RSS_HASH_TCP_IPV6_EX 0x2000 87 88 #endif /* __LIO_RSS_H__ */ 89