65 lines
2.3 KiB
Plaintext
65 lines
2.3 KiB
Plaintext
.\" @(#) $Header: /tcpdump/master/libpcap/pcap_can_set_rfmon.3pcap,v 1.1 2008-04-06 02:53:21 guy Exp $
|
|
.\"
|
|
.\" Copyright (c) 1994, 1996, 1997
|
|
.\" The Regents of the University of California. All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that: (1) source code distributions
|
|
.\" retain the above copyright notice and this paragraph in its entirety, (2)
|
|
.\" distributions including binary code include the above copyright notice and
|
|
.\" this paragraph in its entirety in the documentation or other materials
|
|
.\" provided with the distribution, and (3) all advertising materials mentioning
|
|
.\" features or use of this software display the following acknowledgement:
|
|
.\" ``This product includes software developed by the University of California,
|
|
.\" Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
|
|
.\" the University nor the names of its contributors may be used to endorse
|
|
.\" or promote products derived from this software without specific prior
|
|
.\" written permission.
|
|
.\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
|
|
.\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
|
|
.\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
|
|
.\"
|
|
.TH PCAP_CAN_SET_RFMON 3PCAP "18 May 2010"
|
|
.SH NAME
|
|
pcap_can_set_rfmon \- check whether monitor mode can be set for a
|
|
not-yet-activated capture handle
|
|
.SH SYNOPSIS
|
|
.nf
|
|
.ft B
|
|
#include <pcap/pcap.h>
|
|
.LP
|
|
.ft B
|
|
int pcap_can_set_rfmon(pcap_t *p);
|
|
.ft
|
|
.fi
|
|
.SH DESCRIPTION
|
|
.B pcap_can_set_rfmon()
|
|
checks whether monitor mode could be set on a capture handle when
|
|
the handle is activated.
|
|
.SH RETURN VALUE
|
|
.B pcap_can_set_rfmon()
|
|
returns 0 if monitor mode could not be set,
|
|
1 if monitor mode could be set,
|
|
.B PCAP_ERROR_NO_SUCH_DEVICE
|
|
if the capture source specified when the handle was created doesn't
|
|
exist,
|
|
.B PCAP_ERROR_PERM_DENIED
|
|
if the process doesn't have permission to check whether monitor mode
|
|
could be supported,
|
|
.B PCAP_ERROR_ACTIVATED
|
|
if called on a capture handle that has been activated, or
|
|
.B PCAP_ERROR
|
|
if an error occurred.
|
|
If
|
|
.B PCAP_ERROR
|
|
is returned,
|
|
.B pcap_geterr()
|
|
or
|
|
.B pcap_perror()
|
|
may be called with
|
|
.I p
|
|
as an argument to fetch or display the error text.
|
|
.SH SEE ALSO
|
|
pcap(3PCAP), pcap_create(3PCAP), pcap_activate(3PCAP),
|
|
pcap_set_rfmon(3PCAP)
|