1 files changed, 92 insertions, 97 deletions

diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index d84408a82db..34bf3f0b729 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -6,7 +6,7 @@
 
   Copyright (C) 2005 Martin Langer <martin-langer@gmx.de>
   Copyright (C) 2005 Stefano Brivio <stefano.brivio@polimi.it>
-  Copyright (C) 2005, 2006 Michael Buesch <mb@bu3sch.de>
+  Copyright (C) 2005, 2006 Michael Buesch <m@bues.ch>
   Copyright (C) 2005 Danny van Dyk <kugelfang@gentoo.org>
   Copyright (C) 2005 Andreas Jaggi <andreas.jaggi@waterwave.ch>
   Copyright (C) 2007 Larry Finger <Larry.Finger@lwfinger.net>
@@ -37,45 +37,48 @@
 
 
 /* Extract the bitrate out of a CCK PLCP header. */
-static u8 b43legacy_plcp_get_bitrate_cck(struct b43legacy_plcp_hdr6 *plcp)
+static u8 b43legacy_plcp_get_bitrate_idx_cck(struct b43legacy_plcp_hdr6 *plcp)
 {
 	switch (plcp->raw[0]) {
 	case 0x0A:
-		return B43legacy_CCK_RATE_1MB;
+		return 0;
 	case 0x14:
-		return B43legacy_CCK_RATE_2MB;
+		return 1;
 	case 0x37:
-		return B43legacy_CCK_RATE_5MB;
+		return 2;
 	case 0x6E:
-		return B43legacy_CCK_RATE_11MB;
+		return 3;
 	}
 	B43legacy_BUG_ON(1);
-	return 0;
+	return -1;
 }
 
 /* Extract the bitrate out of an OFDM PLCP header. */
-static u8 b43legacy_plcp_get_bitrate_ofdm(struct b43legacy_plcp_hdr6 *plcp)
+static u8 b43legacy_plcp_get_bitrate_idx_ofdm(struct b43legacy_plcp_hdr6 *plcp,
+					      bool aphy)
 {
+	int base = aphy ? 0 : 4;
+
 	switch (plcp->raw[0] & 0xF) {
 	case 0xB:
-		return B43legacy_OFDM_RATE_6MB;
+		return base + 0;
 	case 0xF:
-		return B43legacy_OFDM_RATE_9MB;
+		return base + 1;
 	case 0xA:
-		return B43legacy_OFDM_RATE_12MB;
+		return base + 2;
 	case 0xE:
-		return B43legacy_OFDM_RATE_18MB;
+		return base + 3;
 	case 0x9:
-		return B43legacy_OFDM_RATE_24MB;
+		return base + 4;
 	case 0xD:
-		return B43legacy_OFDM_RATE_36MB;
+		return base + 5;
 	case 0x8:
-		return B43legacy_OFDM_RATE_48MB;
+		return base + 6;
 	case 0xC:
-		return B43legacy_OFDM_RATE_54MB;
+		return base + 7;
 	}
 	B43legacy_BUG_ON(1);
-	return 0;
+	return -1;
 }
 
 u8 b43legacy_plcp_get_ratecode_cck(const u8 bitrate)
@@ -185,35 +188,37 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 			       struct b43legacy_txhdr_fw3 *txhdr,
 			       const unsigned char *fragment_data,
 			       unsigned int fragment_len,
-			       const struct ieee80211_tx_control *txctl,
+			       struct ieee80211_tx_info *info,
 			       u16 cookie)
 {
 	const struct ieee80211_hdr *wlhdr;
-	int use_encryption = (!(txctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT));
-	u16 fctl;
+	int use_encryption = !!info->control.hw_key;
 	u8 rate;
-	u8 rate_fb;
+	struct ieee80211_rate *rate_fb;
 	int rate_ofdm;
 	int rate_fb_ofdm;
 	unsigned int plcp_fragment_len;
 	u32 mac_ctl = 0;
 	u16 phy_ctl = 0;
+	struct ieee80211_rate *tx_rate;
+	struct ieee80211_tx_rate *rates;
 
 	wlhdr = (const struct ieee80211_hdr *)fragment_data;
-	fctl = le16_to_cpu(wlhdr->frame_control);
 
 	memset(txhdr, 0, sizeof(*txhdr));
 
-	rate = txctl->tx_rate;
+	tx_rate = ieee80211_get_tx_rate(dev->wl->hw, info);
+
+	rate = tx_rate->hw_value;
 	rate_ofdm = b43legacy_is_ofdm_rate(rate);
-	rate_fb = (txctl->alt_retry_rate == -1) ? rate : txctl->alt_retry_rate;
-	rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb);
+	rate_fb = ieee80211_get_alt_retry_rate(dev->wl->hw, info, 0) ? : tx_rate;
+	rate_fb_ofdm = b43legacy_is_ofdm_rate(rate_fb->hw_value);
 
 	txhdr->mac_frame_ctl = wlhdr->frame_control;
-	memcpy(txhdr->tx_receiver, wlhdr->addr1, 6);
+	memcpy(txhdr->tx_receiver, wlhdr->addr1, ETH_ALEN);
 
 	/* Calculate duration for fallback rate */
-	if ((rate_fb == rate) ||
+	if ((rate_fb->hw_value == rate) ||
 	    (wlhdr->duration_id & cpu_to_le16(0x8000)) ||
 	    (wlhdr->duration_id == cpu_to_le16(0))) {
 		/* If the fallback rate equals the normal rate or the
@@ -221,16 +226,16 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 		 * use the original dur_id field. */
 		txhdr->dur_fb = wlhdr->duration_id;
 	} else {
-		int fbrate_base100kbps = B43legacy_RATE_TO_100KBPS(rate_fb);
 		txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw,
-							 txctl->vif,
+							 info->control.vif,
+							 info->band,
 							 fragment_len,
-							 fbrate_base100kbps);
+							 rate_fb);
 	}
 
 	plcp_fragment_len = fragment_len + FCS_LEN;
 	if (use_encryption) {
-		u8 key_idx = (u16)(txctl->key_idx);
+		u8 key_idx = info->control.hw_key->hw_key_idx;
 		struct b43legacy_key *key;
 		int wlhdr_len;
 		size_t iv_len;
@@ -240,7 +245,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 
 		if (key->enabled) {
 			/* Hardware appends ICV. */
-			plcp_fragment_len += txctl->icv_len;
+			plcp_fragment_len += info->control.hw_key->icv_len;
 
 			key_idx = b43legacy_kidx_to_fw(dev, key_idx);
 			mac_ctl |= (key_idx << B43legacy_TX4_MAC_KEYIDX_SHIFT) &
@@ -248,8 +253,8 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 			mac_ctl |= (key->algorithm <<
 				   B43legacy_TX4_MAC_KEYALG_SHIFT) &
 				   B43legacy_TX4_MAC_KEYALG;
-			wlhdr_len = ieee80211_get_hdrlen(fctl);
-			iv_len = min((size_t)txctl->iv_len,
+			wlhdr_len = ieee80211_hdrlen(wlhdr->frame_control);
+			iv_len = min_t(size_t, info->control.hw_key->iv_len,
 				     ARRAY_SIZE(txhdr->iv));
 			memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);
 		} else {
@@ -264,72 +269,67 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 	b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
 				    (&txhdr->plcp), plcp_fragment_len,
 				    rate);
-	b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
-				    (&txhdr->plcp_fb), plcp_fragment_len,
-				    rate_fb);
+	b43legacy_generate_plcp_hdr(&txhdr->plcp_fb, plcp_fragment_len,
+				    rate_fb->hw_value);
 
 	/* PHY TX Control word */
 	if (rate_ofdm)
-		phy_ctl |= B43legacy_TX4_PHY_OFDM;
-	if (dev->short_preamble)
+		phy_ctl |= B43legacy_TX4_PHY_ENC_OFDM;
+	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 		phy_ctl |= B43legacy_TX4_PHY_SHORTPRMBL;
-	switch (txctl->antenna_sel_tx) {
-	case 0:
-		phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
-		break;
-	case 1:
-		phy_ctl |= B43legacy_TX4_PHY_ANT0;
-		break;
-	case 2:
-		phy_ctl |= B43legacy_TX4_PHY_ANT1;
-		break;
-	default:
-		B43legacy_BUG_ON(1);
-	}
+	phy_ctl |= B43legacy_TX4_PHY_ANTLAST;
 
 	/* MAC control */
-	if (!(txctl->flags & IEEE80211_TXCTL_NO_ACK))
+	rates = info->control.rates;
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
 		mac_ctl |= B43legacy_TX4_MAC_ACK;
-	if (!(((fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
-	      ((fctl & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)))
+	if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)
 		mac_ctl |= B43legacy_TX4_MAC_HWSEQ;
-	if (txctl->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)
+	if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
 		mac_ctl |= B43legacy_TX4_MAC_STMSDU;
 	if (rate_fb_ofdm)
 		mac_ctl |= B43legacy_TX4_MAC_FALLBACKOFDM;
-	if (txctl->flags & IEEE80211_TXCTL_LONG_RETRY_LIMIT)
+
+	/* Overwrite rates[0].count to make the retry calculation
+	 * in the tx status easier. need the actual retry limit to
+	 * detect whether the fallback rate was used.
+	 */
+	if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+	    (rates[0].count <= dev->wl->hw->conf.long_frame_max_tx_count)) {
+		rates[0].count = dev->wl->hw->conf.long_frame_max_tx_count;
 		mac_ctl |= B43legacy_TX4_MAC_LONGFRAME;
+	} else {
+		rates[0].count = dev->wl->hw->conf.short_frame_max_tx_count;
+	}
 
 	/* Generate the RTS or CTS-to-self frame */
-	if ((txctl->flags & IEEE80211_TXCTL_USE_RTS_CTS) ||
-	    (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)) {
+	if ((rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS) ||
+	    (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT)) {
 		unsigned int len;
 		struct ieee80211_hdr *hdr;
 		int rts_rate;
 		int rts_rate_fb;
-		int rts_rate_ofdm;
 		int rts_rate_fb_ofdm;
 
-		rts_rate = txctl->rts_cts_rate;
-		rts_rate_ofdm = b43legacy_is_ofdm_rate(rts_rate);
+		rts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info)->hw_value;
 		rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate);
 		rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb);
 		if (rts_rate_fb_ofdm)
 			mac_ctl |= B43legacy_TX4_MAC_CTSFALLBACKOFDM;
 
-		if (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
+		if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
 			ieee80211_ctstoself_get(dev->wl->hw,
-						txctl->vif,
+						info->control.vif,
 						fragment_data,
-						fragment_len, txctl,
+						fragment_len, info,
 						(struct ieee80211_cts *)
 						(txhdr->rts_frame));
 			mac_ctl |= B43legacy_TX4_MAC_SENDCTS;
 			len = sizeof(struct ieee80211_cts);
 		} else {
 			ieee80211_rts_get(dev->wl->hw,
-					  txctl->vif,
-					  fragment_data, fragment_len, txctl,
+					  info->control.vif,
+					  fragment_data, fragment_len, info,
 					  (struct ieee80211_rts *)
 					  (txhdr->rts_frame));
 			mac_ctl |= B43legacy_TX4_MAC_SENDRTS;
@@ -339,8 +339,7 @@ static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 		b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
 					    (&txhdr->rts_plcp),
 					    len, rts_rate);
-		b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
-					    (&txhdr->rts_plcp_fb),
+		b43legacy_generate_plcp_hdr(&txhdr->rts_plcp_fb,
 					    len, rts_rate_fb);
 		hdr = (struct ieee80211_hdr *)(&txhdr->rts_frame);
 		txhdr->rts_dur_fb = hdr->duration_id;
@@ -360,12 +359,12 @@ int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
 			      u8 *txhdr,
 			      const unsigned char *fragment_data,
 			      unsigned int fragment_len,
-			      const struct ieee80211_tx_control *txctl,
+			      struct ieee80211_tx_info *info,
 			      u16 cookie)
 {
 	return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
 			   fragment_data, fragment_len,
-			   txctl, cookie);
+			   info, cookie);
 }
 
 static s8 b43legacy_rssi_postprocess(struct b43legacy_wldev *dev,
@@ -437,7 +436,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 	struct b43legacy_plcp_hdr6 *plcp;
 	struct ieee80211_hdr *wlhdr;
 	const struct b43legacy_rxhdr_fw3 *rxhdr = _rxhdr;
-	u16 fctl;
+	__le16 fctl;
 	u16 phystat0;
 	u16 phystat3;
 	u16 chanstat;
@@ -475,7 +474,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 		goto drop;
 	}
 	wlhdr = (struct ieee80211_hdr *)(skb->data);
-	fctl = le16_to_cpu(wlhdr->frame_control);
+	fctl = wlhdr->frame_control;
 
 	if ((macstat & B43legacy_RX_MAC_DEC) &&
 	    !(macstat & B43legacy_RX_MAC_DECERR)) {
@@ -494,11 +493,11 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 
 		if (dev->key[keyidx].algorithm != B43legacy_SEC_ALGO_NONE) {
 			/* Remove PROTECTED flag to mark it as decrypted. */
-			B43legacy_WARN_ON(!(fctl & IEEE80211_FCTL_PROTECTED));
-			fctl &= ~IEEE80211_FCTL_PROTECTED;
-			wlhdr->frame_control = cpu_to_le16(fctl);
+			B43legacy_WARN_ON(!ieee80211_has_protected(fctl));
+			fctl &= ~cpu_to_le16(IEEE80211_FCTL_PROTECTED);
+			wlhdr->frame_control = fctl;
 
-			wlhdr_len = ieee80211_get_hdrlen(fctl);
+			wlhdr_len = ieee80211_hdrlen(fctl);
 			if (unlikely(skb->len < (wlhdr_len + 3))) {
 				b43legacydbg(dev->wl, "RX: Packet size"
 					     " underrun3\n");
@@ -530,25 +529,26 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 		}
 	}
 
-	status.ssi = b43legacy_rssi_postprocess(dev, jssi,
+	status.signal = b43legacy_rssi_postprocess(dev, jssi,
 				      (phystat0 & B43legacy_RX_PHYST0_OFDM),
 				      (phystat0 & B43legacy_RX_PHYST0_GAINCTL),
 				      (phystat3 & B43legacy_RX_PHYST3_TRSTATE));
-	status.noise = dev->stats.link_noise;
-	status.signal = (jssi * 100) / B43legacy_RX_MAX_SSI;
+	/* change to support A PHY */
 	if (phystat0 & B43legacy_RX_PHYST0_OFDM)
-		status.rate = b43legacy_plcp_get_bitrate_ofdm(plcp);
+		status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false);
 	else
-		status.rate = b43legacy_plcp_get_bitrate_cck(plcp);
+		status.rate_idx = b43legacy_plcp_get_bitrate_idx_cck(plcp);
 	status.antenna = !!(phystat0 & B43legacy_RX_PHYST0_ANT);
 
 	/*
-	 * If monitors are present get full 64-bit timestamp. This
-	 * code assumes we get to process the packet within 16 bits
-	 * of timestamp, i.e. about 65 milliseconds after the PHY
-	 * received the first symbol.
+	 * All frames on monitor interfaces and beacons always need a full
+	 * 64-bit timestamp. Monitor interfaces need it for diagnostic
+	 * purposes and beacons for IBSS merging.
+	 * This code assumes we get to process the packet within 16 bits
+	 * of timestamp, i.e. about 65 milliseconds after the PHY received
+	 * the first symbol.
 	 */
-	if (dev->wl->radiotap_enabled) {
+	if (ieee80211_is_beacon(fctl) || dev->wl->radiotap_enabled) {
 		u16 low_mactime_now;
 
 		b43legacy_tsf_read(dev, &status.mactime);
@@ -557,29 +557,24 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 		status.mactime += mactime;
 		if (low_mactime_now <= mactime)
 			status.mactime -= 0x10000;
-		status.flag |= RX_FLAG_TSFT;
+		status.flag |= RX_FLAG_MACTIME_START;
 	}
 
 	chanid = (chanstat & B43legacy_RX_CHAN_ID) >>
 		  B43legacy_RX_CHAN_ID_SHIFT;
 	switch (chanstat & B43legacy_RX_CHAN_PHYTYPE) {
 	case B43legacy_PHYTYPE_B:
-		status.phymode = MODE_IEEE80211B;
-		status.freq = chanid + 2400;
-		status.channel = b43legacy_freq_to_channel_bg(chanid + 2400);
-		break;
 	case B43legacy_PHYTYPE_G:
-		status.phymode = MODE_IEEE80211G;
+		status.band = IEEE80211_BAND_2GHZ;
 		status.freq = chanid + 2400;
-		status.channel = b43legacy_freq_to_channel_bg(chanid + 2400);
 		break;
 	default:
 		b43legacywarn(dev->wl, "Unexpected value for chanstat (0x%X)\n",
 		       chanstat);
 	}
 
-	dev->stats.last_rx = jiffies;
-	ieee80211_rx_irqsafe(dev->wl->hw, skb, &status);
+	memcpy(IEEE80211_SKB_RXCB(skb), &status, sizeof(status));
+	ieee80211_rx_irqsafe(dev->wl->hw, skb);
 
 	return;
 drop:
@@ -624,7 +619,7 @@ void b43legacy_handle_hwtxstatus(struct b43legacy_wldev *dev,
 	tmp = hw->count;
 	status.frame_count = (tmp >> 4);
 	status.rts_count = (tmp & 0x0F);
-	tmp = hw->flags;
+	tmp = hw->flags << 1;
 	status.supp_reason = ((tmp & 0x1C) >> 2);
 	status.pm_indicated = !!(tmp & 0x80);
 	status.intermediate = !!(tmp & 0x40);