Author: bschmidt
Date: Tue May 11 17:21:54 2010
New Revision: 207927
URL: http://svn.freebsd.org/changeset/base/207927
Log:
MFC r207709:
Add a workaround for a bug in the firmware regarding the transition
from passive to active scans. Basicly disable it by increasing the
amount packets to be received to an amount which can't be reached
during dwell times.
Approved by: rpaulo (mentor)
Modified:
stable/8/sys/dev/iwn/if_iwn.c
Directory Properties:
stable/8/sys/ (props changed)
stable/8/sys/amd64/include/xen/ (props changed)
stable/8/sys/cddl/contrib/opensolaris/ (props changed)
stable/8/sys/contrib/dev/acpica/ (props changed)
stable/8/sys/contrib/pf/ (props changed)
stable/8/sys/dev/xen/xenpci/ (props changed)
stable/8/sys/geom/sched/ (props changed)
Modified: stable/8/sys/dev/iwn/if_iwn.c
==============================================================================
--- stable/8/sys/dev/iwn/if_iwn.c Tue May 11 17:14:17 2010
(r207926)
+++ stable/8/sys/dev/iwn/if_iwn.c Tue May 11 17:21:54 2010
(r207927)
@@ -4730,7 +4730,7 @@ iwn_scan(struct iwn_softc *sc)
chan->passive = htole16(78);
else
chan->passive = htole16(110);
- hdr->crc_threshold = htole16(1);
+ hdr->crc_threshold = 0xffff;
} else if (!(c->ic_flags & IEEE80211_CHAN_PASSIVE)) {
chan->rf_gain = 0x28;
chan->active = htole16(36);
@@ -4743,7 +4743,7 @@ iwn_scan(struct iwn_softc *sc)
chan->passive = htole16(88);
else
chan->passive = htole16(120);
- hdr->crc_threshold = htole16(1);
+ hdr->crc_threshold = 0xffff;
}
DPRINTF(sc, IWN_DEBUG_STATE,
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