/src/suricata7/src/util-dpdk.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 | | * \file |
20 | | * |
21 | | * \author Lukas Sismis <lukas.sismis@gmail.com> |
22 | | */ |
23 | | |
24 | | #include "suricata.h" |
25 | | #include "util-dpdk.h" |
26 | | #include "util-debug.h" |
27 | | #include "util-byte.h" |
28 | | |
29 | | void DPDKCleanupEAL(void) |
30 | 0 | { |
31 | | #ifdef HAVE_DPDK |
32 | | if (run_mode == RUNMODE_DPDK) { |
33 | | int retval = rte_eal_cleanup(); |
34 | | if (retval != 0) |
35 | | SCLogError("EAL cleanup failed: %s", strerror(-retval)); |
36 | | } |
37 | | #endif |
38 | 0 | } |
39 | | |
40 | | void DPDKCloseDevice(LiveDevice *ldev) |
41 | 0 | { |
42 | 0 | (void)ldev; // avoid warnings of unused variable |
43 | | #ifdef HAVE_DPDK |
44 | | if (run_mode == RUNMODE_DPDK) { |
45 | | uint16_t port_id; |
46 | | int retval = rte_eth_dev_get_port_by_name(ldev->dev, &port_id); |
47 | | if (retval < 0) { |
48 | | SCLogError("%s: failed get port id, error: %s", ldev->dev, rte_strerror(-retval)); |
49 | | return; |
50 | | } |
51 | | |
52 | | SCLogPerf("%s: closing device", ldev->dev); |
53 | | rte_eth_dev_close(port_id); |
54 | | } |
55 | | #endif |
56 | 0 | } |
57 | | |
58 | | void DPDKFreeDevice(LiveDevice *ldev) |
59 | 0 | { |
60 | 0 | (void)ldev; // avoid warnings of unused variable |
61 | | #ifdef HAVE_DPDK |
62 | | if (run_mode == RUNMODE_DPDK) { |
63 | | SCLogDebug("%s: releasing packet mempool", ldev->dev); |
64 | | rte_mempool_free(ldev->dpdk_vars.pkt_mp); |
65 | | } |
66 | | #endif |
67 | 0 | } |
68 | | |
69 | | #ifdef HAVE_DPDK |
70 | | /** |
71 | | * Retrieves name of the port from port id |
72 | | * Not thread-safe |
73 | | * @param pid |
74 | | * @return static dev_name on success |
75 | | */ |
76 | | const char *DPDKGetPortNameByPortID(uint16_t pid) |
77 | | { |
78 | | static char dev_name[RTE_ETH_NAME_MAX_LEN]; |
79 | | int32_t ret = rte_eth_dev_get_name_by_port(pid, dev_name); |
80 | | if (ret < 0) { |
81 | | FatalError("Port %d: Failed to obtain port name (err: %s)", pid, rte_strerror(-ret)); |
82 | | } |
83 | | return dev_name; |
84 | | } |
85 | | |
86 | | #endif /* HAVE_DPDK */ |