kern/160815: commit references a PR

[dfilter service]

The following reply was made to PR kern/160815; it has been noted by GNATS.

From: dfilter at FreeBSD.ORG (dfilter service)
To: bug-followup at FreeBSD.org
Cc:  
Subject: Re: kern/160815: commit references a PR
Date: Tue, 20 Sep 2011 04:30:38 +0000 (UTC)

 Author: adrian
 Date: Tue Sep 20 04:30:23 2011
 New Revision: 225686
 URL: http://svn.freebsd.org/changeset/base/225686
 
 Log:
   Manually set the channel when using monitor mode - the firmware
   doesn't select it automatically.
   
   Submitted by:	nox
   Reviewed by:	bschmidt
   Approved by:	re
   PR:		kern/160815
 
 Modified:
   head/sys/dev/iwn/if_iwn.c
 
 Modified: head/sys/dev/iwn/if_iwn.c
 ==============================================================================
 --- head/sys/dev/iwn/if_iwn.c	Tue Sep 20 04:20:55 2011	(r225685)
 +++ head/sys/dev/iwn/if_iwn.c	Tue Sep 20 04:30:23 2011	(r225686)
 @@ -6952,12 +6952,24 @@ iwn_set_channel(struct ieee80211com *ic)
  	const struct ieee80211_channel *c = ic->ic_curchan;
  	struct ifnet *ifp = ic->ic_ifp;
  	struct iwn_softc *sc = ifp->if_softc;
 +	int error;
  
  	IWN_LOCK(sc);
  	sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq);
  	sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags);
  	sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq);
  	sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags);
 +
 +	/*
 +	 * Only need to set the channel in Monitor mode. AP scanning and auth
 +	 * are already taken care of by their respective firmware commands.
 +	 */
 +	if (ic->ic_opmode == IEEE80211_M_MONITOR) {
 +		error = iwn_config(sc);
 +		if (error != 0)
 +		device_printf(sc->sc_dev,
 +		    "%s: error %d settting channel\n", __func__, error);
 +	}
  	IWN_UNLOCK(sc);
  }
  
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