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add beacon miss threshold control

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Submitted by:	Henrik Brix Andersen <henrik@brixandersen.dk>
MFC after:	2 weeks
This commit is contained in:
Sam Leffler 2006-07-26 03:08:45 +00:00
parent 546786c951
commit d7ccef331a
2 changed files with 29 additions and 1 deletions
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15
sbin/ifconfig/ifconfig.8
View file

@ -28,7 +28,7 @@
.\" From: @(#)ifconfig.8 8.3 (Berkeley) 1/5/94
.\" $FreeBSD$
.\"
.Dd June 23, 2006
.Dd July 25, 2006
.Dt IFCONFIG 8
.Os
.Sh NAME
@ -576,6 +576,19 @@ The
.Ar interval
parameter is specified in TU's (1/1024 msecs).
By default beacon frames are transmitted every 100 TU's.
.It Cm bmissthreshold Ar count
Set the number of consecutive missed beacons at which the station
will attempt to roam (i.e. search for a new access point).
The
.Ar count
parameter is must be in the range 1 to 255; though the
upper bound may be reduced according to device capabilities..
The default threshold is 7 consecutive missed beacons; but
this may be overridden by the device driver.
Another name for the
.Cm bmissthreshold
parameter is
.Cm bmiss .
.It Cm bssid Ar address
Specify the MAC address of the access point to use when operating
as a station in a BSS network.

15
sbin/ifconfig/ifieee80211.c
View file

@ -682,6 +682,13 @@ DECL_CMD_FUNC(set80211fragthreshold, val, d)
isundefarg(val) ? IEEE80211_FRAG_MAX : atoi(val), 0, NULL);
}
static
DECL_CMD_FUNC(set80211bmissthreshold, val, d)
{
set80211(s, IEEE80211_IOC_BMISSTHRESHOLD,
isundefarg(val) ? IEEE80211_HWBMISS_MAX : atoi(val), 0, NULL);
}
static int
getmaxrate(uint8_t rates[15], uint8_t nrates)
{
@ -1671,6 +1678,12 @@ ieee80211_status(int s)
LINE_CHECK("fragthreshold %d", ireq.i_val);
}
ireq.i_type = IEEE80211_IOC_BMISSTHRESHOLD;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
if (ireq.i_val != IEEE80211_HWBMISS_MAX || verbose)
LINE_CHECK("bmiss %d", ireq.i_val);
}
if (IEEE80211_IS_CHAN_G(c) || IEEE80211_IS_CHAN_PUREG(c) || verbose) {
ireq.i_type = IEEE80211_IOC_PUREG;
if (ioctl(s, SIOCG80211, &ireq) != -1) {
@ -1977,6 +1990,8 @@ static struct cmd ieee80211_cmds[] = {
DEF_CMD_ARG("fragthreshold", set80211fragthreshold),
DEF_CMD("burst", 1, set80211burst),
DEF_CMD("-burst", 0, set80211burst),
DEF_CMD_ARG("bmiss", set80211bmissthreshold),
DEF_CMD_ARG("bmissthreshold", set80211bmissthreshold),
};
static struct afswtch af_ieee80211 = {
.af_name = "af_ieee80211",