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46 lines
1.1 KiB
C
46 lines
1.1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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#include <errno.h>
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#include <netinet/in.h>
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#include <linux/if_arp.h>
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#include <linux/if_infiniband.h>
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#include <string.h>
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#include "arphrd-util.h"
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#include "macro.h"
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static const struct arphrd_name* lookup_arphrd(register const char *str, register GPERF_LEN_TYPE len);
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#include "arphrd-from-name.h"
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#include "arphrd-to-name.h"
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int arphrd_from_name(const char *name) {
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const struct arphrd_name *sc;
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assert(name);
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sc = lookup_arphrd(name, strlen(name));
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if (!sc)
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return -EINVAL;
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return sc->id;
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}
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size_t arphrd_to_hw_addr_len(uint16_t arphrd) {
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switch (arphrd) {
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case ARPHRD_ETHER:
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return ETH_ALEN;
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case ARPHRD_INFINIBAND:
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return INFINIBAND_ALEN;
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case ARPHRD_TUNNEL:
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case ARPHRD_SIT:
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case ARPHRD_IPGRE:
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return sizeof(struct in_addr);
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case ARPHRD_TUNNEL6:
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case ARPHRD_IP6GRE:
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return sizeof(struct in6_addr);
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default:
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return 0;
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}
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}
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