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DEV_GETBYHWADDR_RCU(9) Network device support DEV_GETBYHWADDR_RCU(9)

NAME

dev_getbyhwaddr_rcu - find a device by its hardware address

SYNOPSIS

struct net_device * dev_getbyhwaddr_rcu(struct net * net, unsigned short type, const char * ha);

ARGUMENTS

struct net * net
the applicable net namespace

unsigned short type

media type of device

const char * ha

hardware address

DESCRIPTION

Search for an interface by MAC address. Returns NULL if the device is not found or a pointer to the device. The caller must hold RCU or RTNL. The returned device has not had its ref count increased and the caller must therefore be careful about locking

COPYRIGHT

September 2017 Kernel Hackers Manual 4.12