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.TH "DEV_SET_ALLMULTI" "9" "09 October 2005" "" ""

.SH NAME
dev_set_allmulti \- update allmulti count on a device
.SH SYNOPSIS
"SYNOPSIS"
.sp
\fB
.sp
void dev_set_allmulti  (struct net_device * \fIdev\fB, int \fIinc\fB);
\fR
.SH "ARGUMENTS"
.TP
\fB\fIdev\fB\fR
device
.TP
\fB\fIinc\fB\fR
modifier
.SH "DESCRIPTION"
.PP
Add or remove reception of all multicast frames to a device. While the
count in the device remains above zero the interface remains listening
to all interfaces. Once it hits zero the device reverts back to normal
filtering operation. A negative \fIinc\fR value is used to drop the counter
when releasing a resource needing all multicasts.