173 lines
5.3 KiB
C
173 lines
5.3 KiB
C
/*
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* BSD LICENSE
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*
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* Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Cavium, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifdef RSS
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#include "lio_bsd.h"
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#include "lio_common.h"
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#include "lio_droq.h"
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#include "lio_iq.h"
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#include "lio_response_manager.h"
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#include "lio_device.h"
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#include "lio_ctrl.h"
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#include "lio_main.h"
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#include "lio_network.h"
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#include "lio_rss.h"
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int lio_send_rss_param(struct lio *lio);
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static void
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lio_set_rss_callback(struct octeon_device *oct, uint32_t status, void *arg)
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{
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struct lio_soft_command *sc = (struct lio_soft_command *)arg;
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if (status)
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lio_dev_err(oct, "Failed to SET RSS params\n");
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else
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lio_dev_info(oct, "SET RSS params\n");
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lio_free_soft_command(oct, sc);
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}
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static void
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lio_set_rss_info(struct lio *lio)
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{
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struct octeon_device *oct = lio->oct_dev;
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struct lio_rss_params_set *rss_set = &lio->rss_set;
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uint32_t rss_hash_config;
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int i;
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uint8_t queue_id;
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for (i = 0; i < LIO_RSS_TABLE_SZ; i++) {
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queue_id = rss_get_indirection_to_bucket(i);
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queue_id = queue_id % oct->num_oqs;
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rss_set->fw_itable[i] = queue_id;
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}
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rss_hash_config = rss_gethashconfig();
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if (rss_hash_config & RSS_HASHTYPE_RSS_IPV4)
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rss_set->hashinfo |= LIO_RSS_HASH_IPV4;
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if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV4)
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rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV4;
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if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6)
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rss_set->hashinfo |= LIO_RSS_HASH_IPV6;
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if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6)
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rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV6;
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if (rss_hash_config & RSS_HASHTYPE_RSS_IPV6_EX)
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rss_set->hashinfo |= LIO_RSS_HASH_IPV6_EX;
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if (rss_hash_config & RSS_HASHTYPE_RSS_TCP_IPV6_EX)
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rss_set->hashinfo |= LIO_RSS_HASH_TCP_IPV6_EX;
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}
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int
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lio_send_rss_param(struct lio *lio)
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{
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struct octeon_device *oct = lio->oct_dev;
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struct lio_soft_command *sc = NULL;
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union octeon_cmd *cmd = NULL;
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struct lio_rss_params *rss_param;
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int i, retval;
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sc = lio_alloc_soft_command(oct,
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OCTEON_CMD_SIZE + sizeof(struct lio_rss_params), 0, 0);
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if (sc == NULL) {
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lio_dev_err(oct, "%s: Soft command allocation failed\n",
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__func__);
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return (ENOMEM);
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}
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sc->iq_no = lio->linfo.txpciq[0].s.q_no;
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lio_prepare_soft_command(oct, sc, LIO_OPCODE_NIC, LIO_OPCODE_NIC_CMD, 0,
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0, 0);
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sc->callback = lio_set_rss_callback;
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sc->callback_arg = sc;
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sc->wait_time = 1000;
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cmd = (union octeon_cmd *)sc->virtdptr;
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cmd->cmd64 = 0;
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cmd->s.cmd = LIO_CMD_SET_RSS;
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rss_param = (struct lio_rss_params *)(cmd + 1);
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rss_param->param.flags = 0;
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rss_param->param.itablesize = LIO_RSS_TABLE_SZ;
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rss_param->param.hashkeysize = LIO_RSS_KEY_SZ;
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lio_set_rss_info(lio);
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rss_param->param.hashinfo = lio->rss_set.hashinfo;
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memcpy(rss_param->itable, (void *)lio->rss_set.fw_itable,
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(size_t)rss_param->param.itablesize);
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lio_dev_info(oct, "RSS itable: Size %u\n", rss_param->param.itablesize);
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for (i = 0; i < rss_param->param.itablesize; i += 8) {
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lio_dev_dbg(oct, " %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u, %03u:%2u\n",
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i + 0, rss_param->itable[i + 0],
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i + 1, rss_param->itable[i + 1],
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i + 2, rss_param->itable[i + 2],
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i + 3, rss_param->itable[i + 3],
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i + 4, rss_param->itable[i + 4],
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i + 5, rss_param->itable[i + 5],
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i + 6, rss_param->itable[i + 6],
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i + 7, rss_param->itable[i + 7]);
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}
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rss_getkey(lio->rss_set.key);
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memcpy(rss_param->key, (void *)lio->rss_set.key,
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(size_t)rss_param->param.hashkeysize);
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/* swap cmd and rss params */
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lio_swap_8B_data((uint64_t *)cmd,
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((OCTEON_CMD_SIZE + LIO_RSS_PARAM_SIZE) >> 3));
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retval = lio_send_soft_command(oct, sc);
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if (retval == LIO_IQ_SEND_FAILED) {
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lio_dev_err(oct,
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"%s: Sending soft command failed, status: %x\n",
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__func__, retval);
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lio_free_soft_command(oct, sc);
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return (-1);
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}
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return (0);
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}
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#endif /* RSS */
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