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net.h: add ETH_ALEN constant; fix whitespaces 

Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Antony Pavlov 2014-07-02 01:03:23 +04:00 committed by Sascha Hauer
parent f38c708c2d
commit c0808d7b69
1 changed files with 5 additions and 3 deletions
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8
include/net.h
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@ -369,6 +369,8 @@ static inline int is_broadcast_ether_addr(const u8 *addr)
return (addr[0] & addr[1] & addr[2] & addr[3] & addr[4] & addr[5]) == 0xff;
}
#define ETH_ALEN 6
/**
* random_ether_addr - Generate software assigned random Ethernet address
* @addr: Pointer to a six-byte array containing the Ethernet address
@ -379,9 +381,9 @@ static inline int is_broadcast_ether_addr(const u8 *addr)
static inline void random_ether_addr(u8 *addr)
{
srand(get_time_ns());
get_random_bytes(addr, 6);
addr [0] &= 0xfe; /* clear multicast bit */
addr [0] |= 0x02; /* set local assignment bit (IEEE802) */
get_random_bytes(addr, ETH_ALEN);
addr[0] &= 0xfe; /* clear multicast bit */
addr[0] |= 0x02; /* set local assignment bit (IEEE802) */
}
/**