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 #ifdef RSS 35 36 #include "lio_bsd.h" 37 #include "lio_common.h" 38 #include "lio_droq.h" 39 #include "lio_iq.h" 40 #include "lio_response_manager.h" 41 #include "lio_device.h" 42 #include "lio_ctrl.h" 43 #include "lio_main.h" 44 #include "lio_network.h" 45 #include "lio_rss.h" 46 47 int lio_send_rss_param(struct lio *lio); 48 49 static void 50 lio_set_rss_callback(struct octeon_device *oct, uint32_t status, void *arg) 51 { 52 struct lio_soft_command *sc = (struct lio_soft_command *)arg; 53 54 if (status) 55 lio_dev_err(oct, "Failed to SET RSS params\n"); 56 else 57 lio_dev_info(oct, "SET RSS params\n"); 58 59 lio_free_soft_command(oct, sc); 60 } 61 62 static void 63 lio_set_rss_info(struct lio *lio) 64 { 65 struct octeon_device *oct = lio->oct_dev; 66 struct lio_rss_params_set *rss_set = &lio->rss_set; 67 uint32_t rss_hash_config; 68 int i; 69 uint8_t queue_id; 70 71 for (i = 0; i < LIO_RSS_TABLE_SZ; i++) { 72 queue_id = rss_get_indirection_to_bucket(i); 73 queue_id = queue_id % oct->num_oqs; 74 rss_set->fw_itable[i] = queue_id; 75 } 76 77 rss_hash_config = rss_gethashconfig(); 78 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4) 79 rss_set->hashinfo |= LIO_RSS_HASH_IPV4; 80 81 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4) 82 rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV4; 83 84 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6) 85 rss_set->hashinfo |= LIO_RSS_HASH_IPV6; 86 87 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6) 88 rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV6; 89 90 if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX) 91 rss_set->hashinfo |= LIO_RSS_HASH_IPV6_EX; 92 93 if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX) 94 rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX; 95 } 96 97 int 98 lio_send_rss_param(struct lio *lio) 99 { 100 struct octeon_device *oct = lio->oct_dev; 101 struct lio_soft_command *sc = NULL; 102 union octeon_cmd *cmd = NULL; 103 struct lio_rss_params *rss_param; 104 int i, retval; 105 106 sc = lio_alloc_soft_command(oct, 107 OCTEON_CMD_SIZE + sizeof(struct lio_rss_params), 0, 0); 108 109 if (sc == NULL) { 110 lio_dev_err(oct, "%s: Soft command allocation failed\n", 111 __func__); 112 return (ENOMEM); 113 } 114 115 sc->iq_no = lio->linfo.txpciq[0].s.q_no; 116 117 lio_prepare_soft_command(oct, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_CMD, 0, 118 0, 0); 119 120 sc->callback = lio_set_rss_callback; 121 sc->callback_arg = sc; 122 sc->wait_time = 1000; 123 124 cmd = (union octeon_cmd *)sc->virtdptr; 125 cmd->cmd64 = 0; 126 cmd->s.cmd = LIO_CMD_SET_RSS; 127 128 rss_param = (struct lio_rss_params *)(cmd + 1); 129 rss_param->param.flags = 0; 130 rss_param->param.itablesize = LIO_RSS_TABLE_SZ; 131 rss_param->param.hashkeysize = LIO_RSS_KEY_SZ; 132 133 lio_set_rss_info(lio); 134 rss_param->param.hashinfo = lio->rss_set.hashinfo; 135 memcpy(rss_param->itable, (void *)lio->rss_set.fw_itable, 136 (size_t)rss_param->param.itablesize); 137 138 lio_dev_info(oct, "RSS itable: Size %u\n", rss_param->param.itablesize); 139 for (i = 0; i < rss_param->param.itablesize; i += 8) { 140 lio_dev_dbg(oct, " %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u\n", 141 i + 0, rss_param->itable[i + 0], 142 i + 1, rss_param->itable[i + 1], 143 i + 2, rss_param->itable[i + 2], 144 i + 3, rss_param->itable[i + 3], 145 i + 4, rss_param->itable[i + 4], 146 i + 5, rss_param->itable[i + 5], 147 i + 6, rss_param->itable[i + 6], 148 i + 7, rss_param->itable[i + 7]); 149 } 150 151 rss_getkey(lio->rss_set.key); 152 153 memcpy(rss_param->key, (void *)lio->rss_set.key, 154 (size_t)rss_param->param.hashkeysize); 155 156 /* swap cmd and rss params */ 157 lio_swap_8B_data((uint64_t *)cmd, 158 ((OCTEON_CMD_SIZE + LIO_RSS_PARAM_SIZE) >> 3)); 159 160 retval = lio_send_soft_command(oct, sc); 161 if (retval == LIO_IQ_SEND_FAILED) { 162 lio_dev_err(oct, 163 "%s: Sending soft command failed, status: %x\n", 164 __func__, retval); 165 lio_free_soft_command(oct, sc); 166 return (-1); 167 } 168 169 return (0); 170 } 171 172 #endif /* RSS */ 173