mirror of https://github.com/OISF/suricata
dpdk/rss: add rte_flow rss support for mlx5
The configuration of this rule is the same as for ixgbe driver except the hash function is not RTE_ETH_HASH_FUNCTION_DEFAULT but RTE_ETH_HASH_FUNCTION_TOEPLITZ. The syntax in dpdk-testpmd for this rule with attributes: port index == 0 used rx queue indices == 0 1 2 3 <hash_key> == 6d5a symmetric hash key is as follows: "flow create 0 ingress pattern eth / end actions rss types ipv4 ipv6 end queues 0 1 2 3 end key <hash_key> key_len 40 func toeplitz / end" Ticket: 7337pull/12553/head
Adam Kiripolsky
2 years ago
committed by
Victor Julien
parent
97750bf5b5
commit
d9a6d5dc46
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/* Copyright (C) 2025 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \defgroup dpdk DPDK NVIDIA mlx5 driver helpers functions
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*
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* @{
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*/
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/**
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* \file
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*
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* \author Adam Kiripolsky <adam.kiripolsky@cesnet.cz>
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*
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* DPDK driver's helper functions
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*
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*/
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#include "util-debug.h"
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#include "util-dpdk.h"
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#include "util-dpdk-bonding.h"
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#include "util-dpdk-mlx5.h"
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#include "util-dpdk-rss.h"
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#ifdef HAVE_DPDK
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#define MLX5_RSS_HKEY_LEN 40
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int mlx5DeviceSetRSS(int port_id, int nb_rx_queues, char *port_name)
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{
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uint16_t queues[RTE_MAX_QUEUES_PER_PORT];
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struct rte_flow_error flush_error = { 0 };
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struct rte_eth_rss_conf rss_conf = {
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.rss_key = RSS_HKEY,
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.rss_key_len = MLX5_RSS_HKEY_LEN,
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};
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if (nb_rx_queues < 1) {
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FatalError("The number of queues for RSS configuration must be "
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"configured with a positive number");
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}
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struct rte_flow_action_rss rss_action_conf =
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DPDKInitRSSAction(rss_conf, nb_rx_queues, queues, RTE_ETH_HASH_FUNCTION_TOEPLITZ, true);
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int retval = DPDKCreateRSSFlowGeneric(port_id, port_name, rss_action_conf);
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if (retval != 0) {
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retval = rte_flow_flush(port_id, &flush_error);
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if (retval != 0) {
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SCLogError("%s: unable to flush rte_flow rules: %s Flush error msg: %s", port_name,
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rte_strerror(-retval), flush_error.message);
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}
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return retval;
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}
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return 0;
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}
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#endif /* HAVE_DPDK */
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/**
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* @}
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*/
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@ -0,0 +1,35 @@
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/* Copyright (C) 2025 Open Information Security Foundation
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*
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* You can copy, redistribute or modify this Program under the terms of
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* the GNU General Public License version 2 as published by the Free
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* Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* version 2 along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* \file
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*
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* \author Adam Kiripolsky <adam.kiripolsky@cesnet.cz>
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*/
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#ifndef UTIL_DPDK_MLX5_H
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#define UTIL_DPDK_MLX5_H
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#include "suricata-common.h"
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#ifdef HAVE_DPDK
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int mlx5DeviceSetRSS(int port_id, int nb_rx_queues, char *port_name);
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#endif /* HAVE_DPDK */
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#endif /* UTIL_DPDK_MLX5_H */
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