19 lines
513 B
C
19 lines
513 B
C
#include <linux/ctype.h> /* tolower() */
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int is_multicast_mac_addr(const u8 *addr)
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{
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return ((addr[0] != 0xff) && (0x01 & addr[0]));
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}
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int is_broadcast_mac_addr(const u8 *addr)
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{
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return ((addr[0] == 0xff) && (addr[1] == 0xff) && (addr[2] == 0xff) && \
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(addr[3] == 0xff) && (addr[4] == 0xff) && (addr[5] == 0xff));
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}
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int is_zero_mac_addr(const u8 *addr)
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{
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return ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && \
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(addr[3] == 0x00) && (addr[4] == 0x00) && (addr[5] == 0x00));
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}
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