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Date:      Sat, 30 Jun 2007 10:01:52 GMT
From:      Andrew Thompson <thompsa@FreeBSD.org>
To:        Perforce Change Reviews <perforce@freebsd.org>
Subject:   PERFORCE change 122568 for review
Message-ID:  <200706301001.l5UA1qw9006352@repoman.freebsd.org>

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http://perforce.freebsd.org/chv.cgi?CH=122568

Change 122568 by thompsa@thompsa_heff on 2007/06/30 10:01:50

	Provide a macro which directly dereferences ic_ieee from the channel.
	This can only be used in places where the channel is always valid.
	
	Suggested by:	sam

Affected files ...

.. //depot/projects/wifi/sys/net80211/_ieee80211.h#24 edit
.. //depot/projects/wifi/sys/net80211/ieee80211_input.c#109 edit
.. //depot/projects/wifi/sys/net80211/ieee80211_scan.c#17 edit

Differences ...

==== //depot/projects/wifi/sys/net80211/_ieee80211.h#24 (text+ko) ====

@@ -229,6 +229,8 @@
 	(IEEE80211_IS_CHAN_2GHZ(_c) && \
 	 ((_c)->ic_flags & IEEE80211_CHAN_HT) != 0)
 
+#define	IEEE80211_CHAN2IEEE(_c)		(_c)->ic_ieee
+
 /* ni_chan encoding for FH phy */
 #define	IEEE80211_FH_CHANMOD	80
 #define	IEEE80211_FH_CHAN(set,pat)	(((set)-1)*IEEE80211_FH_CHANMOD+(pat))

==== //depot/projects/wifi/sys/net80211/ieee80211_input.c#109 (text+ko) ====

@@ -2090,7 +2090,7 @@
 		scan.tstamp  = frm;				frm += 8;
 		scan.bintval = le16toh(*(uint16_t *)frm);	frm += 2;
 		scan.capinfo = le16toh(*(uint16_t *)frm);	frm += 2;
-		scan.bchan = ieee80211_chan2ieee(ic, ic->ic_curchan);
+		scan.bchan = IEEE80211_CHAN2IEEE(ic->ic_curchan);
 		scan.curchan = ic->ic_curchan;
 
 		while (efrm - frm > 1) {
@@ -2194,7 +2194,7 @@
 			return;
 		}
 #endif
-		if (ieee80211_chan2ieee(ic, scan.curchan) != scan.bchan &&
+		if (IEEE80211_CHAN2IEEE(scan.curchan) != scan.bchan &&
 		    ic->ic_phytype != IEEE80211_T_FH) {
 			/*
 			 * Frame was received on a channel different from the
@@ -2211,7 +2211,7 @@
 			    wh, ieee80211_mgt_subtype_name[subtype >>
 				IEEE80211_FC0_SUBTYPE_SHIFT],
 			    "for off-channel %u",
-			    ieee80211_chan2ieee(ic, scan.curchan));
+			    IEEE80211_CHAN2IEEE(scan.curchan));
 			ic->ic_stats.is_rx_chanmismatch++;
 			return;
 		}

==== //depot/projects/wifi/sys/net80211/ieee80211_scan.c#17 (text+ko) ====

@@ -840,7 +840,7 @@
 
 #ifdef IEEE80211_DEBUG
 static void
-dump_probe_beacon(struct ieee80211com *ic, uint8_t subtype, int isnew,
+dump_probe_beacon(uint8_t subtype, int isnew,
 	const uint8_t mac[IEEE80211_ADDR_LEN],
 	const struct ieee80211_scanparams *sp)
 {
@@ -848,7 +848,7 @@
 	printf("[%s] %s%s on chan %u (bss chan %u) ",
 	    ether_sprintf(mac), isnew ? "new " : "",
 	    ieee80211_mgt_subtype_name[subtype >> IEEE80211_FC0_SUBTYPE_SHIFT],
-	    ieee80211_chan2ieee(ic, sp->curchan), sp->bchan);
+	    IEEE80211_CHAN2IEEE(sp->curchan), sp->bchan);
 	ieee80211_print_essid(sp->ssid + 2, sp->ssid[1]);
 	printf("\n");
 
@@ -894,7 +894,7 @@
 		return;
 #ifdef IEEE80211_DEBUG
 	if (ieee80211_msg_scan(ic) && (ic->ic_flags & IEEE80211_F_SCAN))
-		dump_probe_beacon(ic, subtype, 1, wh->i_addr2, sp);
+		dump_probe_beacon(subtype, 1, wh->i_addr2, sp);
 #endif
 	if (ss->ss_ops != NULL &&
 	    ss->ss_ops->scan_add(ss, sp, wh, subtype, rssi, noise, rstamp)) {



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