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Date:      Thu, 30 Apr 2009 21:48:31 +0000 (UTC)
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-user@freebsd.org
Subject:   svn commit: r191707 - user/thompsa/vaptq/sys/net80211
Message-ID:  <200904302148.n3ULmVkr023760@svn.freebsd.org>
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Author: thompsa
Date: Thu Apr 30 21:48:31 2009
New Revision: 191707
URL: http://svn.freebsd.org/changeset/base/191707

Log:
  Add a reinit flag which lets the state be forced back to INIT before
  proceeding.

Modified:
  user/thompsa/vaptq/sys/net80211/ieee80211_proto.c
  user/thompsa/vaptq/sys/net80211/ieee80211_var.h

Modified: user/thompsa/vaptq/sys/net80211/ieee80211_proto.c
==============================================================================
--- user/thompsa/vaptq/sys/net80211/ieee80211_proto.c	Thu Apr 30 21:39:56 2009	(r191706)
+++ user/thompsa/vaptq/sys/net80211/ieee80211_proto.c	Thu Apr 30 21:48:31 2009	(r191707)
@@ -1199,8 +1199,7 @@ ieee80211_start_locked(struct ieee80211v
 			 * preempted if the station is locked to a particular
 			 * channel.
 			 */
-			/* XXX needed? */
-			ieee80211_new_state_locked(vap, IEEE80211_S_INIT, 0);
+			vap->iv_flags_ext |= IEEE80211_FEXT_REINIT;
 			if (vap->iv_opmode == IEEE80211_M_MONITOR ||
 			    vap->iv_opmode == IEEE80211_M_WDS)
 				ieee80211_new_state_locked(vap,
@@ -1598,15 +1597,25 @@ ieee80211_newstate_cb_locked(struct ieee
 	enum ieee80211_state nstate, int arg)
 {
 	struct ieee80211com *ic = vap->iv_ic;
-	enum ieee80211_state ostate = vap->iv_state;
+	enum ieee80211_state ostate;
 	int rc;
 
 	IEEE80211_LOCK_ASSERT(ic);
 
-	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE,
-	    "%s: %s -> %s arg %d\n", __func__,
-	    ieee80211_state_name[ostate], ieee80211_state_name[nstate], arg);
+	if (vap->iv_flags_ext & IEEE80211_FEXT_REINIT) {
+		/*
+		 * We have been requested to drop back to the INIT before
+		 * proceeding to the new state.
+		 */
+		IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE,
+		    "%s: %s -> %s arg %d\n", __func__,
+		    ieee80211_state_name[vap->iv_state],
+		    ieee80211_state_name[IEEE80211_S_INIT], arg);
+		vap->iv_newstate(vap, IEEE80211_S_INIT, arg);
+		vap->iv_flags_ext &= ~IEEE80211_FEXT_REINIT;
+	}
 
+	ostate = vap->iv_state;
 	if (nstate == IEEE80211_S_SCAN && ostate != IEEE80211_S_INIT) {
 		/*
 		 * SCAN was forced; e.g. on beacon miss.  Force other running
@@ -1619,6 +1628,9 @@ ieee80211_newstate_cb_locked(struct ieee
 		 */
 		markwaiting(vap);
 	}
+	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE,
+	    "%s: %s -> %s arg %d\n", __func__,
+	    ieee80211_state_name[ostate], ieee80211_state_name[nstate], arg);
 
 	rc = vap->iv_newstate(vap, nstate, arg);
 	vap->iv_flags_ext &= ~IEEE80211_FEXT_STATEWAIT;

Modified: user/thompsa/vaptq/sys/net80211/ieee80211_var.h
==============================================================================
--- user/thompsa/vaptq/sys/net80211/ieee80211_var.h	Thu Apr 30 21:39:56 2009	(r191706)
+++ user/thompsa/vaptq/sys/net80211/ieee80211_var.h	Thu Apr 30 21:48:31 2009	(r191707)
@@ -515,6 +515,8 @@ MALLOC_DECLARE(M_80211_VAP);
 #define	IEEE80211_FEXT_SWBMISS	 0x00000400	/* CONF: do bmiss in s/w */
 #define	IEEE80211_FEXT_DFS	 0x00000800	/* CONF: DFS enabled */
 #define	IEEE80211_FEXT_DOTD	 0x00001000	/* CONF: 11d enabled */
+#define	IEEE80211_FEXT_STATEWAIT 0x00002000	/* STATUS: awaiting state chg */
+#define	IEEE80211_FEXT_REINIT	 0x00004000	/* STATUS: INIT state first */
 /* NB: immutable: should be set only when creating a vap */
 #define	IEEE80211_FEXT_WDSLEGACY 0x00010000	/* CONF: legacy WDS operation */
 #define	IEEE80211_FEXT_PROBECHAN 0x00020000	/* CONF: probe passive channel*/
@@ -529,13 +531,12 @@ MALLOC_DECLARE(M_80211_VAP);
 #define	IEEE80211_FEXT_SHORTGI40 0x08000000	/* CONF: short GI in HT40 */
 #define	IEEE80211_FEXT_HTCOMPAT  0x10000000	/* CONF: HT vendor OUI's */
 #define	IEEE80211_FEXT_RIFS  	 0x20000000	/* CONF: RIFS enabled */
-#define	IEEE80211_FEXT_STATEWAIT 0x40000000	/* STATUS: awaiting state chg */
 
 #define	IEEE80211_FEXT_BITS \
 	"\20\1NONHT_PR\2INACT\3SCANWAIT\4BGSCAN\5WPS\6TSN\7SCANREQ\10RESUME" \
-	"\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\22WDSLEGACY\23PROBECHAN\24HT" \
-	"\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX\31USEHT40\32PUREN" \
-	"\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS\37STATEWAIT"
+	"\12NONEPR_PR\13SWBMISS\14DFS\15DOTD\16STATEWAIT\17REINIT\22WDSLEGACY" \
+	"\23PROBECHAN\24HT\25AMDPU_TX\26AMPDU_TX\27AMSDU_TX\30AMSDU_RX" \
+	"\31USEHT40\32PUREN\33SHORTGI20\34SHORTGI40\35HTCOMPAT\36RIFS"
 
 #define	IEEE80211_FVEN_BITS	"\20"

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