Author: bschmidt
Date: Thu May 6 17:53:04 2010
New Revision: 207709
URL: http://svn.freebsd.org/changeset/base/207709
Log:
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)
MFC after: 3 days
Modified:
head/sys/dev/iwn/if_iwn.c
Modified: head/sys/dev/iwn/if_iwn.c
==============================================================================
--- head/sys/dev/iwn/if_iwn.c Thu May 6 17:43:41 2010 (r207708)
+++ head/sys/dev/iwn/if_iwn.c Thu May 6 17:53:04 2010 (r207709)
@@ -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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