From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/basic/arphrd-util.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 src/basic/arphrd-util.c (limited to 'src/basic/arphrd-util.c') diff --git a/src/basic/arphrd-util.c b/src/basic/arphrd-util.c new file mode 100644 index 0000000..3ea2c9d --- /dev/null +++ b/src/basic/arphrd-util.c @@ -0,0 +1,45 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include +#include +#include +#include +#include + +#include "arphrd-util.h" +#include "macro.h" + +static const struct arphrd_name* lookup_arphrd(register const char *str, register GPERF_LEN_TYPE len); + +#include "arphrd-from-name.h" +#include "arphrd-to-name.h" + +int arphrd_from_name(const char *name) { + const struct arphrd_name *sc; + + assert(name); + + sc = lookup_arphrd(name, strlen(name)); + if (!sc) + return -EINVAL; + + return sc->id; +} + +size_t arphrd_to_hw_addr_len(uint16_t arphrd) { + switch (arphrd) { + case ARPHRD_ETHER: + return ETH_ALEN; + case ARPHRD_INFINIBAND: + return INFINIBAND_ALEN; + case ARPHRD_TUNNEL: + case ARPHRD_SIT: + case ARPHRD_IPGRE: + return sizeof(struct in_addr); + case ARPHRD_TUNNEL6: + case ARPHRD_IP6GRE: + return sizeof(struct in6_addr); + default: + return 0; + } +} -- cgit v1.2.3