1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2016 Intel Corporation.
3 * Copyright(c) 2014 6WIND S.A.
4 * All rights reserved.
5 */
6
7 #include <net/if.h>
8 #include <sys/ioctl.h>
9 #include <sys/socket.h>
10 #include <unistd.h>
11
12 #include <rte_memcpy.h>
13 #include <rte_string_fns.h>
14
15 #include "pcap_osdep.h"
16
17 int
osdep_iface_index_get(const char * name)18 osdep_iface_index_get(const char *name)
19 {
20 return if_nametoindex(name);
21 }
22
23 int
osdep_iface_mac_get(const char * if_name,struct rte_ether_addr * mac)24 osdep_iface_mac_get(const char *if_name, struct rte_ether_addr *mac)
25 {
26 struct ifreq ifr;
27 int if_fd = socket(AF_INET, SOCK_DGRAM, 0);
28
29 if (if_fd == -1)
30 return -1;
31
32 rte_strscpy(ifr.ifr_name, if_name, sizeof(ifr.ifr_name));
33 if (ioctl(if_fd, SIOCGIFHWADDR, &ifr)) {
34 close(if_fd);
35 return -1;
36 }
37
38 rte_memcpy(mac->addr_bytes, ifr.ifr_hwaddr.sa_data, RTE_ETHER_ADDR_LEN);
39
40 close(if_fd);
41 return 0;
42 }
43