mirror of https://github.com/F-Stack/f-stack.git
60 lines
1.0 KiB
C
60 lines
1.0 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2010-2016 Intel Corporation.
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* Copyright(c) 2014 6WIND S.A.
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* All rights reserved.
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*/
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#include <net/if.h>
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#include <net/if_dl.h>
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#include <sys/sysctl.h>
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#include <rte_malloc.h>
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#include <rte_memcpy.h>
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#include "pcap_osdep.h"
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int
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osdep_iface_index_get(const char *name)
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{
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return if_nametoindex(name);
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}
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int
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osdep_iface_mac_get(const char *if_name, struct rte_ether_addr *mac)
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{
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struct if_msghdr *ifm;
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struct sockaddr_dl *sdl;
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int mib[6];
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size_t len = 0;
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char *buf;
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mib[0] = CTL_NET;
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mib[1] = AF_ROUTE;
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mib[2] = 0;
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mib[3] = AF_LINK;
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mib[4] = NET_RT_IFLIST;
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mib[5] = if_nametoindex(if_name);
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if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0)
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return -1;
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if (len == 0)
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return -1;
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buf = rte_malloc(NULL, len, 0);
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if (!buf)
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return -1;
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if (sysctl(mib, 6, buf, &len, NULL, 0) < 0) {
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rte_free(buf);
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return -1;
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}
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ifm = (struct if_msghdr *)buf;
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sdl = (struct sockaddr_dl *)(ifm + 1);
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rte_memcpy(mac->addr_bytes, LLADDR(sdl), RTE_ETHER_ADDR_LEN);
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rte_free(buf);
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return 0;
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}
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