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Add ability to take MAC address from the environment to DM9000 driver

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Signed-off-by: Mike Rapoport <mike@compulab.co.il>
Signed-off-by: Ben Warren <bwarren@qstreams.com>
This commit is contained in:
Mike Rapoport
2007-08-12 08:48:27 +03:00
committed by Ben Warren
parent d1bc6c8d5f
commit 50cca8b976
2 changed files with 38 additions and 0 deletions
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23
include/net.h
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@@ -435,6 +435,29 @@ static inline void NetCopyLong(ulong *to, ulong *from)
memcpy((void*)to, (void*)from, sizeof(ulong));
}
/**
* is_zero_ether_addr - Determine if give Ethernet address is all zeros.
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is all zeroes.
*/
static inline int is_zero_ether_addr(const u8 *addr)
{
return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
}
/**
* is_multicast_ether_addr - Determine if the Ethernet address is a multicast.
* @addr: Pointer to a six-byte array containing the Ethernet address
*
* Return true if the address is a multicast address.
* By definition the broadcast address is also a multicast address.
*/
static inline int is_multicast_ether_addr(const u8 *addr)
{
return (0x01 & addr[0]);
}
/* Convert an IP address to a string */
extern void ip_to_string (IPaddr_t x, char *s);