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mac802154: add ieee802154_le64_to_be64

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This patch adds a new function to convert a le64 to a be64. This is
useful to translate an extended address to a netdev dev_addr.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Alexander Aring 2014-11-05 20:51:23 +01:00 committed by Marcel Holtmann
parent 35d5a374a5
commit 239a84a9a0
1 changed files with 13 additions and 0 deletions
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13
include/net/mac802154.h
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@ -17,6 +17,7 @@
#define NET_MAC802154_H
#include <net/af_ieee802154.h>
#include <linux/ieee802154.h>
#include <linux/skbuff.h>
/* General MAC frame format:
@ -231,6 +232,18 @@ static inline __le64 ieee802154_netdev_to_extended_addr(const void *dev_addr)
return (__force __le64)swab64p(dev_addr);
}
/**
* ieee802154_le64_to_be64 - copies and convert le64 to be64
* @be64_dst: be64 destination pointer
* @le64_src: le64 source pointer
*/
static inline void ieee802154_le64_to_be64(void *be64_dst, const void *le64_src)
{
__be64 tmp = (__force __be64)swab64p(le64_src);
memcpy(be64_dst, &tmp, IEEE802154_EXTENDED_ADDR_LEN);
}
/* Basic interface to register ieee802154 hwice */
struct ieee802154_hw *
ieee802154_alloc_hw(size_t priv_data_len, const struct ieee802154_ops *ops);