util-dpdk-ice.c

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/* Copyright (C) 2021 Open Information Security Foundation
 *
 * You can copy, redistribute or modify this Program under the terms of
 * the GNU General Public License version 2 as published by the Free
 * Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA.
 */
 
/**
 *  \defgroup dpdk DPDK Intel ICE driver helpers functions
 *
 *  @{
 */
 
/**
 * \file
 *
 * \author Lukas Sismis <lukas.sismis@gmail.com>
 *
 * DPDK driver's helper functions
 *
 */
 
#include "util-dpdk-ice.h"
#include "util-dpdk.h"
 
#ifdef HAVE_DPDK
 
static void iceDeviceSetRSSHashFunction(uint64_t *rss_hf)
{
#if RTE_VERSION < RTE_VERSION_NUM(20, 0, 0, 0)
    *rss_hf = RTE_ETH_RSS_FRAG_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_OTHER | RTE_ETH_RSS_FRAG_IPV6 |
              RTE_ETH_RSS_NONFRAG_IPV6_OTHER;
#else
    *rss_hf = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_OTHER |
              RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_OTHER;
#endif
}
 
void iceDeviceSetRSSConf(struct rte_eth_rss_conf *rss_conf)
{
    iceDeviceSetRSSHashFunction(&rss_conf->rss_hf);
#if RTE_VERSION < RTE_VERSION_NUM(23, 11, 0, 0)
    rss_conf->rss_key_len = 40;
#else
    rss_conf->rss_key_len = 52;
#endif
}
 
#endif /* HAVE_DPDK */
/**
 * @}
 */