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suricata/src/util-dpdk-mlx5.c

77 lines
2.1 KiB
C

/* Copyright (C) 2025 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 NVIDIA mlx5 driver helpers functions
*
* @{
*/
/**
* \file
*
* \author Adam Kiripolsky <adam.kiripolsky@cesnet.cz>
*
* DPDK driver's helper functions
*
*/
#include "util-debug.h"
#include "util-dpdk.h"
#include "util-dpdk-bonding.h"
#include "util-dpdk-mlx5.h"
#include "util-dpdk-rss.h"
#ifdef HAVE_DPDK
#define MLX5_RSS_HKEY_LEN 40
int mlx5DeviceSetRSS(int port_id, int nb_rx_queues, char *port_name)
{
uint16_t queues[RTE_MAX_QUEUES_PER_PORT];
struct rte_flow_error flush_error = { 0 };
struct rte_eth_rss_conf rss_conf = {
.rss_key = RSS_HKEY,
.rss_key_len = MLX5_RSS_HKEY_LEN,
};
if (nb_rx_queues < 1) {
FatalError("The number of queues for RSS configuration must be "
"configured with a positive number");
}
struct rte_flow_action_rss rss_action_conf =
DPDKInitRSSAction(rss_conf, nb_rx_queues, queues, RTE_ETH_HASH_FUNCTION_TOEPLITZ, true);
int retval = DPDKCreateRSSFlowGeneric(port_id, port_name, rss_action_conf);
if (retval != 0) {
retval = rte_flow_flush(port_id, &flush_error);
if (retval != 0) {
SCLogError("%s: unable to flush rte_flow rules: %s Flush error msg: %s", port_name,
rte_strerror(-retval), flush_error.message);
}
return retval;
}
return 0;
}
#endif /* HAVE_DPDK */
/**
* @}
*/