Add is_multicast_ether_addr()

This helper function can be used to check whether a MAC address is a
multicast (including broadcast) address.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
This commit is contained in:
Anton Nayshtut 2015-01-27 16:30:08 +02:00 committed by Jouni Malinen
parent ee1e3f57b5
commit 36209df93a

View file

@ -518,6 +518,11 @@ static inline int is_broadcast_ether_addr(const u8 *a)
return (a[0] & a[1] & a[2] & a[3] & a[4] & a[5]) == 0xff;
}
static inline int is_multicast_ether_addr(const u8 *a)
{
return a[0] & 0x01;
}
#define broadcast_ether_addr (const u8 *) "\xff\xff\xff\xff\xff\xff"
#include "wpa_debug.h"