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Differential D5133 Diff 13896 head/sys/net80211/ieee80211_scan_sw.c

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head/sys/net80211/ieee80211_scan_sw.c

Show First 20 Lines • Show All 420 Lines • ▼ Show 20 Lines IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
ss->ss_flags & IEEE80211_SCAN_ACTIVE ? "active" : "passive"); ss->ss_flags & IEEE80211_SCAN_ACTIVE ? "active" : "passive");
} }
IEEE80211_UNLOCK(ic); IEEE80211_UNLOCK(ic);
/* NB: racey, does it matter? */ /* NB: racey, does it matter? */
return (ic->ic_flags & IEEE80211_F_SCAN); return (ic->ic_flags & IEEE80211_F_SCAN);
} }
/*
* Cancel any scan currently going on for the specified vap.
*/
static void static void
ieee80211_swscan_cancel_scan(struct ieee80211vap *vap) cancel_scan(struct ieee80211vap *vap, int any, const char *func)
{ {
struct ieee80211com *ic = vap->iv_ic; struct ieee80211com *ic = vap->iv_ic;
struct ieee80211_scan_state *ss = ic->ic_scan; struct ieee80211_scan_state *ss = ic->ic_scan;
IEEE80211_LOCK(ic); IEEE80211_LOCK(ic);
if ((ic->ic_flags & IEEE80211_F_SCAN) && if ((ic->ic_flags & IEEE80211_F_SCAN) &&
ss->ss_vap == vap && (any || ss->ss_vap == vap) &&
(SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL) == 0) { (SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL) == 0) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
"%s: cancel %s scan\n", __func__, "%s: cancel %s scan\n", func,
ss->ss_flags & IEEE80211_SCAN_ACTIVE ? ss->ss_flags & IEEE80211_SCAN_ACTIVE ?
"active" : "passive"); "active" : "passive");
/* clear bg scan NOPICK and mark cancel request */ /* clear bg scan NOPICK and mark cancel request */
ss->ss_flags &= ~IEEE80211_SCAN_NOPICK; ss->ss_flags &= ~IEEE80211_SCAN_NOPICK;
SCAN_PRIVATE(ss)->ss_iflags |= ISCAN_CANCEL; SCAN_PRIVATE(ss)->ss_iflags |= ISCAN_CANCEL;
/* wake up the scan task */ /* wake up the scan task */
scan_signal(ss); scan_signal(ss);
} else { } else {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
"%s: called; F_SCAN=%d, vap=%s, CANCEL=%d\n", "%s: called; F_SCAN=%d, vap=%s, CANCEL=%d\n",
__func__, func,
!! (ic->ic_flags & IEEE80211_F_SCAN), !! (ic->ic_flags & IEEE80211_F_SCAN),
(ss->ss_vap == vap ? "match" : "nomatch"), (ss->ss_vap == vap ? "match" : "nomatch"),
!! (SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL)); !! (SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL));
} }
IEEE80211_UNLOCK(ic); IEEE80211_UNLOCK(ic);
} }
/* /*
* Cancel any scan currently going on for the specified vap.
*/
static void
ieee80211_swscan_cancel_scan(struct ieee80211vap *vap)
{
cancel_scan(vap, 0, __func__);
}
/*
* Cancel any scan currently going on. * Cancel any scan currently going on.
*/ */
static void static void
ieee80211_swscan_cancel_anyscan(struct ieee80211vap *vap) ieee80211_swscan_cancel_anyscan(struct ieee80211vap *vap)
{ {
struct ieee80211com *ic = vap->iv_ic; cancel_scan(vap, 1, __func__);
struct ieee80211_scan_state *ss = ic->ic_scan;
IEEE80211_LOCK(ic);
if ((ic->ic_flags & IEEE80211_F_SCAN) &&
(SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL) == 0) {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
"%s: cancel %s scan\n", __func__,
ss->ss_flags & IEEE80211_SCAN_ACTIVE ?
"active" : "passive");
/* clear bg scan NOPICK and mark cancel request */
ss->ss_flags &= ~IEEE80211_SCAN_NOPICK;
SCAN_PRIVATE(ss)->ss_iflags |= ISCAN_CANCEL;
/* wake up the scan task */
scan_signal(ss);
} else {
IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
"%s: called; F_SCAN=%d, vap=%s, CANCEL=%d\n",
__func__,
!! (ic->ic_flags & IEEE80211_F_SCAN),
(ss->ss_vap == vap ? "match" : "nomatch"),
!! (SCAN_PRIVATE(ss)->ss_iflags & ISCAN_CANCEL));
}
IEEE80211_UNLOCK(ic);
} }
/* /*
* Public access to scan_next for drivers that manage * Public access to scan_next for drivers that manage
* scanning themselves (e.g. for firmware-based devices). * scanning themselves (e.g. for firmware-based devices).
*/ */
static void static void
ieee80211_swscan_scan_next(struct ieee80211vap *vap) ieee80211_swscan_scan_next(struct ieee80211vap *vap)
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