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 #include <net/rss_config.h> 38 #include <netinet/in_rss.h> 39 40 #define LIO_RSS_TABLE_SZ 128 41 #define LIO_RSS_KEY_SZ 40 42 43 struct lio_rss_params { 44 #define LIO_RSS_PARAM_SIZE 16 45 struct param { 46 #if BYTE_ORDER == LITTLE_ENDIAN 47 uint64_t flags:16; 48 uint64_t hashinfo:32; 49 uint64_t itablesize:16; 50 51 uint64_t hashkeysize:16; 52 uint64_t reserved:48; 53 #elif BYTE_ORDER == BIG_ENDIAN 54 uint64_t itablesize:16; 55 uint64_t hashinfo:32; 56 uint64_t flags:16; 57 58 uint64_t reserved:48; 59 uint64_t hashkeysize:16; 60 #else 61 #error Undefined BYTE_ORDER 62 #endif 63 } param; 64 65 uint8_t itable[LIO_RSS_TABLE_SZ]; 66 uint8_t key[LIO_RSS_KEY_SZ]; 67 68 }; 69 70 struct lio_rss_params_set { 71 uint8_t key[LIO_RSS_KEY_SZ]; 72 uint8_t fw_itable[LIO_RSS_TABLE_SZ]; 73 uint64_t hashinfo; 74 75 }; 76 77 #define LIO_RSS_HASH_IPV4 0x100 78 #define LIO_RSS_HASH_TCP_IPV4 0x200 79 #define LIO_RSS_HASH_IPV6 0x400 80 #define LIO_RSS_HASH_IPV6_EX 0x800 81 #define LIO_RSS_HASH_TCP_IPV6 0x1000 82 #define LIO_RSS_HASH_TCP_IPV6_EX 0x2000 83 84 #endif /* __LIO_RSS_H__ */ 85