Differential D2655 Diff 5892 sys/net80211/ieee80211_scan_sta.c

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sys/net80211/ieee80211_scan_sta.c

Show First 20 Lines • Show All 1,700 Lines • ▼ Show 20 Lines	static const struct ieee80211_scanner adhoc_default = {
.scan_age = adhoc_age,		.scan_age = adhoc_age,
.scan_iterate = sta_iterate,		.scan_iterate = sta_iterate,
.scan_assoc_fail = sta_assoc_fail,		.scan_assoc_fail = sta_assoc_fail,
.scan_assoc_success = sta_assoc_success,		.scan_assoc_success = sta_assoc_success,
};		};
IEEE80211_SCANNER_ALG(ibss, IEEE80211_M_IBSS, adhoc_default);		IEEE80211_SCANNER_ALG(ibss, IEEE80211_M_IBSS, adhoc_default);
IEEE80211_SCANNER_ALG(ahdemo, IEEE80211_M_AHDEMO, adhoc_default);		IEEE80211_SCANNER_ALG(ahdemo, IEEE80211_M_AHDEMO, adhoc_default);

static void
ap_force_promisc(struct ieee80211com *ic)
{
struct ifnet *ifp = ic->ic_ifp;

IEEE80211_LOCK(ic);
/* set interface into promiscuous mode */
ifp->if_flags \|= IFF_PROMISC;
ieee80211_runtask(ic, &ic->ic_promisc_task);
IEEE80211_UNLOCK(ic);
}

static void
ap_reset_promisc(struct ieee80211com *ic)
{
IEEE80211_LOCK(ic);
ieee80211_syncifflag_locked(ic, IFF_PROMISC);
IEEE80211_UNLOCK(ic);
}

static int		static int
ap_start(struct ieee80211_scan_state ss, struct ieee80211vap vap)		ap_start(struct ieee80211_scan_state ss, struct ieee80211vap vap)
{		{
struct sta_table *st = ss->ss_priv;		struct sta_table *st = ss->ss_priv;

makescanlist(ss, vap, staScanTable);		makescanlist(ss, vap, staScanTable);

if (ss->ss_mindwell == 0)		if (ss->ss_mindwell == 0)
ss->ss_mindwell = msecs_to_ticks(200); /* 200ms */		ss->ss_mindwell = msecs_to_ticks(200); /* 200ms */
if (ss->ss_maxdwell == 0)		if (ss->ss_maxdwell == 0)
ss->ss_maxdwell = msecs_to_ticks(200); /* 200ms */		ss->ss_maxdwell = msecs_to_ticks(200); /* 200ms */

st->st_scangen++;		st->st_scangen++;
st->st_newscan = 1;		st->st_newscan = 1;

ap_force_promisc(vap->iv_ic);		ieee80211_promisc(vap, true);
return 0;		return 0;
}		}

/*		/*
* Cancel an ongoing scan.		* Cancel an ongoing scan.
*/		*/
static int		static int
ap_cancel(struct ieee80211_scan_state ss, struct ieee80211vap vap)		ap_cancel(struct ieee80211_scan_state ss, struct ieee80211vap vap)
{		{
ap_reset_promisc(vap->iv_ic);		ieee80211_promisc(vap, false);
return 0;		return 0;
}		}

/*		/*
* Pick a quiet channel to use for ap operation.		* Pick a quiet channel to use for ap operation.
*/		*/
static struct ieee80211_channel *		static struct ieee80211_channel *
ap_pick_channel(struct ieee80211_scan_state *ss, int flags)		ap_pick_channel(struct ieee80211_scan_state *ss, int flags)
▲ Show 20 Lines • Show All 57 Lines • ▼ Show 20 Lines	ap_end(struct ieee80211_scan_state ss, struct ieee80211vap vap)
if (IEEE80211_IS_CHAN_TURBO(bestchan)) {		if (IEEE80211_IS_CHAN_TURBO(bestchan)) {
bestchan = ieee80211_find_channel(ic, bestchan->ic_freq,		bestchan = ieee80211_find_channel(ic, bestchan->ic_freq,
bestchan->ic_flags & ~IEEE80211_CHAN_TURBO);		bestchan->ic_flags & ~IEEE80211_CHAN_TURBO);
if (bestchan == NULL) {		if (bestchan == NULL) {
/* should never happen ?? */		/* should never happen ?? */
return 0;		return 0;
}		}
}		}
ap_reset_promisc(ic);		ieee80211_promisc(vap, false);
if (ss->ss_flags & (IEEE80211_SCAN_NOPICK \| IEEE80211_SCAN_NOJOIN)) {		if (ss->ss_flags & (IEEE80211_SCAN_NOPICK \| IEEE80211_SCAN_NOJOIN)) {
/*		/*
* Manual/background scan, don't select+join the		* Manual/background scan, don't select+join the
* bss, just return. The scanning framework will		* bss, just return. The scanning framework will
* handle notification that this has completed.		* handle notification that this has completed.
*/		*/
ss->ss_flags &= ~IEEE80211_SCAN_NOPICK;		ss->ss_flags &= ~IEEE80211_SCAN_NOPICK;
return 1;		return 1;
▲ Show 20 Lines • Show All 127 Lines • Show Last 20 Lines