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