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.TH "DEV_OPEN" "" "06 October 2005" "" ""

.SH NAME
dev_open \- prepare an interface for use.
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
int dev_open  (struct net_device * \fIdev\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdev\fB\fR
device to open
.SH "DESCRIPTION"
.PP
Takes a device from down to up state. The device's private open
function is invoked and then the multicast lists are loaded. Finally
the device is moved into the up state and a NETDEV_UP message is
sent to the netdev notifier chain.
.PP
Calling this function on an active interface is a nop. On a failure
a negative errno code is returned.