Date: Mon, 27 Jun 2011 15:10:13 +0800 From: Adrian Chadd <adrian@freebsd.org> To: freebsd-wireless@freebsd.org Subject: [PATCH] net80211: Fix bss channel on CSA reception Message-ID: <BANLkTimRkak5hNv%2B=y77CGbjX37y0TeVww@mail.gmail.com>
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This patch fixes a strange bug where although the CSA correctly
changes ic_curchan, it doesn't update the VAP BSS channel.
Hence querying the VAP doesn't report the correct channel.
Thanks,
Adrian
Index: ieee80211_proto.c
===================================================================
--- ieee80211_proto.c (revision 223525)
+++ ieee80211_proto.c (working copy)
@@ -1522,11 +1522,19 @@
void
ieee80211_csa_completeswitch(struct ieee80211com *ic)
{
+ struct ieee80211vap *vap;
+
IEEE80211_LOCK_ASSERT(ic);
KASSERT(ic->ic_flags & IEEE80211_F_CSAPENDING, ("csa not pending"));
ieee80211_setcurchan(ic, ic->ic_csa_newchan);
+ /*
+ * ic_curchan now matches ic_csa_newchan;
+ * inform all VAPs of the new channel
+ */
+ TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
+ vap->iv_bss->ni_chan = ic->ic_curchan;
csa_completeswitch(ic);
}
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