suricata
util-dpdk-ice.c
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1 /* Copyright (C) 2021 Open Information Security Foundation
2  *
3  * You can copy, redistribute or modify this Program under the terms of
4  * the GNU General Public License version 2 as published by the Free
5  * Software Foundation.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * version 2 along with this program; if not, write to the Free Software
14  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
15  * 02110-1301, USA.
16  */
17 
18 /**
19  * \defgroup dpdk DPDK Intel ICE driver helpers functions
20  *
21  * @{
22  */
23 
24 /**
25  * \file
26  *
27  * \author Lukas Sismis <lukas.sismis@gmail.com>
28  *
29  * DPDK driver's helper functions
30  *
31  */
32 
33 #include "util-dpdk-ice.h"
34 #include "util-dpdk.h"
35 
36 #ifdef HAVE_DPDK
37 
38 static void iceDeviceSetRSSHashFunction(uint64_t *rss_hf)
39 {
40 #if RTE_VERSION < RTE_VERSION_NUM(20, 0, 0, 0)
41  *rss_hf = RTE_ETH_RSS_FRAG_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_OTHER | RTE_ETH_RSS_FRAG_IPV6 |
42  RTE_ETH_RSS_NONFRAG_IPV6_OTHER;
43 #else
44  *rss_hf = RTE_ETH_RSS_IPV4 | RTE_ETH_RSS_FRAG_IPV4 | RTE_ETH_RSS_NONFRAG_IPV4_OTHER |
45  RTE_ETH_RSS_IPV6 | RTE_ETH_RSS_FRAG_IPV6 | RTE_ETH_RSS_NONFRAG_IPV6_OTHER;
46 #endif
47 }
48 
49 void iceDeviceSetRSSConf(struct rte_eth_rss_conf *rss_conf)
50 {
51  iceDeviceSetRSSHashFunction(&rss_conf->rss_hf);
52 #if RTE_VERSION < RTE_VERSION_NUM(23, 11, 0, 0)
53  rss_conf->rss_key_len = 40;
54 #else
55  rss_conf->rss_key_len = 52;
56 #endif
57 }
58 
59 #endif /* HAVE_DPDK */
60 /**
61  * @}
62  */
util-dpdk-ice.h
util-dpdk.h