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IS_VALID_ETHER_ADDR(9) Network device support IS_VALID_ETHER_ADDR(9)

NAME

is_valid_ether_addr - Determine if the given Ethernet address is valid

SYNOPSIS

int is_valid_ether_addr(const u8 * addr);

ARGUMENTS

addr

Pointer to a six-byte array containing the Ethernet address

DESCRIPTION

Check that the Ethernet address (MAC) is not 00:00:00:00:00:00, is not a multicast address, and is not FF:FF:FF:FF:FF:FF.

Return true if the address is valid.

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May 2024 Kernel Hackers Manual 2.6.