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From: Sam Leffler <sam@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 113984 for review
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http://perforce.freebsd.org/chv.cgi?CH=113984

Change 113984 by sam@sam_ebb on 2007/02/04 07:03:16

	some small bits of 11n

Affected files ...

.. //depot/projects/wifi/sys/net80211/ieee80211.h#15 edit

Differences ...

==== //depot/projects/wifi/sys/net80211/ieee80211.h#15 (text+ko) ====

@@ -129,7 +129,9 @@
 #define	IEEE80211_FC0_SUBTYPE_DISASSOC		0xa0
 #define	IEEE80211_FC0_SUBTYPE_AUTH		0xb0
 #define	IEEE80211_FC0_SUBTYPE_DEAUTH		0xc0
+#define	IEEE80211_FC0_SUBTYPE_ACTION		0xd0
 /* for TYPE_CTL */
+#define	IEEE80211_FC0_SUBTYPE_BAR		0x80
 #define	IEEE80211_FC0_SUBTYPE_PS_POLL		0xa0
 #define	IEEE80211_FC0_SUBTYPE_RTS		0xb0
 #define	IEEE80211_FC0_SUBTYPE_CTS		0xc0
@@ -233,6 +235,7 @@
 } __packed;
 
 #define WME_NUM_AC		4	/* 4 AC categories */
+#define	WME_NUM_TID		16	/* 16 tids */
 
 #define WME_PARAM_ACI		0x60	/* Mask for ACI field */
 #define WME_PARAM_ACI_S		5	/* Shift for ACI field */
@@ -286,6 +289,103 @@
 #define	MNF_SETUP_RESP	1
 #define	MNF_TEARDOWN	2
 
+/* 
+ * 802.11n Management Action Frames 
+ */
+/* generic frame format */
+struct ieee80211_action {
+	u_int8_t	ia_category;
+	u_int8_t	ia_action;
+} __packed;
+
+#define	IEEE80211_ACTION_CAT_QOS	0	/* QoS */
+#define	IEEE80211_ACTION_CAT_BA		3	/* BA */
+#define	IEEE80211_ACTION_CAT_HT		5	/* HT */
+
+#define	IEEE80211_ACTION_HT_TXCHWIDTH	0	/* recommended xmit chan width*/
+#define	IEEE80211_ACTION_HT_MIMOPWRSAVE	1	/* MIMO power save */
+
+/* HT - recommended transmission channel width */
+struct ieee80211_action_ht_txchwidth {
+	struct ieee80211_action	at_header;
+	u_int8_t	at_chwidth;	
+} __packed;
+
+#define	IEEE80211_A_HT_TXCHWIDTH_20	0
+#define	IEEE80211_A_HT_TXCHWIDTH_2040	1
+
+/* HT - MIMO Power Save */
+struct ieee80211_action_ht_mimopowersave {
+	struct ieee80211_action am_header;
+	u_int8_t	am_enable;	
+	u_int8_t	am_mode;	
+} __packed;
+
+/* Block Ack actions */
+#define IEEE80211_ACTION_BA_ADDBA_REQUEST       0   /* ADDBA request */
+#define IEEE80211_ACTION_BA_ADDBA_RESPONSE      1   /* ADDBA response */
+#define IEEE80211_ACTION_BA_DELBA	        2   /* DELBA */
+
+/* Block Ack Parameter Set */
+#define	IEEE80211_BAPS_BUFSIZ	0xffc0		/* buffer size */
+#define	IEEE80211_BAPS_BUFSIZ_S	6
+#define	IEEE80211_BAPS_TID	0x003c		/* TID */
+#define	IEEE80211_BAPS_TID_S	2
+#define	IEEE80211_BAPS_POLICY	0x0002		/* block ack policy */
+#define	IEEE80211_BAPS_POLICY_S	1
+
+#define	IEEE80211_BAPS_POLICY_DELAYED	(0<<IEEE80211_BAPS_POLICY_S)
+#define	IEEE80211_BAPS_POLICY_IMMEDIATE	(1<<IEEE80211_BAPS_POLICY_S)
+
+/* Block Ack Sequence Control */
+#define	IEEE80211_BASEQ_START	0xfff0		/* starting seqnum */
+#define	IEEE80211_BASEQ_START_S	4
+#define	IEEE80211_BASEQ_FRAG	0x000f		/* fragment number */
+#define	IEEE80211_BASEQ_FRAG_S	0
+
+/* Delayed Block Ack Parameter Set */
+#define	IEEE80211_DELBAPS_TID	0xf000		/* TID */
+#define	IEEE80211_DELBAPS_TID_S	12
+#define	IEEE80211_DELBAPS_INIT	0x0800		/* initiator */
+#define	IEEE80211_DELBAPS_INIT_S 11
+
+/* BA - ADDBA request */
+struct ieee80211_action_ba_addbarequest {
+	struct ieee80211_action rq_header;
+	u_int8_t	rq_dialogtoken;
+	u_int16_t	rq_baparamset;
+	u_int16_t	rq_batimeout;		/* in TUs */
+	u_int16_t	rq_baseqctl;
+} __packed;
+
+/* BA - ADDBA response */
+struct ieee80211_action_ba_addbaresponse {
+	struct ieee80211_action rs_header;
+	u_int8_t	rs_dialogtoken;
+	u_int16_t	rs_statuscode;
+	u_int16_t	rs_baparamset; 
+	u_int16_t	rs_batimeout;		/* in TUs */
+} __packed;
+
+/* BA - DELBA */
+struct ieee80211_action_ba_delba {
+	struct ieee80211_action dl_header;
+	u_int16_t	dl_delbaparamset;
+	u_int16_t	dl_reasoncode;
+} __packed;
+
+/* BAR Control */
+#define	IEEE80211_BAR_TID	0xf000		/* TID */
+#define	IEEE80211_BAR_TID_S	12
+#define	IEEE80211_BAR_COMP	0x0004		/* compressed */
+#define	IEEE80211_BAR_MTID	0x0002
+#define	IEEE80211_BAR_NOACK	0x0001		/* no-ack policy */
+
+struct ieee80211_ba_request {
+	u_int16_t	rq_barctl;
+	u_int16_t	rq_barseqctl;
+} __packed;
+
 /*
  * Control frames.
  */
@@ -335,6 +435,16 @@
 	/* FCS */
 } __packed;
 
+struct ieee80211_frame_bar {
+	u_int8_t	i_fc[2];
+	u_int8_t	i_dur[2];
+	u_int8_t	i_ra[IEEE80211_ADDR_LEN];
+	u_int8_t	i_ta[IEEE80211_ADDR_LEN];
+	u_int16_t	i_ctl;
+	u_int16_t	i_seq;
+	/* FCS */
+} __packed;
+
 /*
  * BEACON management packets
  *