1 files changed, 213 insertions, 66 deletions

diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index eda06529ef5..6e6ef3fc224 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/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>
 
@@ -32,6 +32,36 @@
 #include "dma.h"
 #include "pio.h"
 
+static const struct b43_tx_legacy_rate_phy_ctl_entry b43_tx_legacy_rate_phy_ctl[] = {
+	{ B43_CCK_RATE_1MB,	0x0,			0x0 },
+	{ B43_CCK_RATE_2MB,	0x0,			0x1 },
+	{ B43_CCK_RATE_5MB,	0x0,			0x2 },
+	{ B43_CCK_RATE_11MB,	0x0,			0x3 },
+	{ B43_OFDM_RATE_6MB,	B43_TXH_PHY1_CRATE_1_2,	B43_TXH_PHY1_MODUL_BPSK },
+	{ B43_OFDM_RATE_9MB,	B43_TXH_PHY1_CRATE_3_4,	B43_TXH_PHY1_MODUL_BPSK },
+	{ B43_OFDM_RATE_12MB,	B43_TXH_PHY1_CRATE_1_2,	B43_TXH_PHY1_MODUL_QPSK },
+	{ B43_OFDM_RATE_18MB,	B43_TXH_PHY1_CRATE_3_4,	B43_TXH_PHY1_MODUL_QPSK },
+	{ B43_OFDM_RATE_24MB,	B43_TXH_PHY1_CRATE_1_2,	B43_TXH_PHY1_MODUL_QAM16 },
+	{ B43_OFDM_RATE_36MB,	B43_TXH_PHY1_CRATE_3_4,	B43_TXH_PHY1_MODUL_QAM16 },
+	{ B43_OFDM_RATE_48MB,	B43_TXH_PHY1_CRATE_2_3,	B43_TXH_PHY1_MODUL_QAM64 },
+	{ B43_OFDM_RATE_54MB,	B43_TXH_PHY1_CRATE_3_4,	B43_TXH_PHY1_MODUL_QAM64 },
+};
+
+static const struct b43_tx_legacy_rate_phy_ctl_entry *
+b43_tx_legacy_rate_phy_ctl_ent(u8 bitrate)
+{
+	const struct b43_tx_legacy_rate_phy_ctl_entry *e;
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(b43_tx_legacy_rate_phy_ctl); i++) {
+		e = &(b43_tx_legacy_rate_phy_ctl[i]);
+		if (e->bitrate == bitrate)
+			return e;
+	}
+
+	B43_WARN_ON(1);
+	return NULL;
+}
 
 /* Extract the bitrate index out of a CCK PLCP header. */
 static int b43_plcp_get_bitrate_idx_cck(struct b43_plcp_hdr6 *plcp)
@@ -145,6 +175,35 @@ void b43_generate_plcp_hdr(struct b43_plcp_hdr4 *plcp,
 	}
 }
 
+/* TODO: verify if needed for SSLPN or LCN  */
+static u16 b43_generate_tx_phy_ctl1(struct b43_wldev *dev, u8 bitrate)
+{
+	const struct b43_phy *phy = &dev->phy;
+	const struct b43_tx_legacy_rate_phy_ctl_entry *e;
+	u16 control = 0;
+	u16 bw;
+
+	if (phy->type == B43_PHYTYPE_LP)
+		bw = B43_TXH_PHY1_BW_20;
+	else /* FIXME */
+		bw = B43_TXH_PHY1_BW_20;
+
+	if (0) { /* FIXME: MIMO */
+	} else if (b43_is_cck_rate(bitrate) && phy->type != B43_PHYTYPE_LP) {
+		control = bw;
+	} else {
+		control = bw;
+		e = b43_tx_legacy_rate_phy_ctl_ent(bitrate);
+		if (e) {
+			control |= e->coding_rate;
+			control |= e->modulation;
+		}
+		control |= B43_TXH_PHY1_MODE_SISO;
+	}
+
+	return control;
+}
+
 static u8 b43_calc_fallback_rate(u8 bitrate)
 {
 	switch (bitrate) {
@@ -198,6 +257,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	unsigned int plcp_fragment_len;
 	u32 mac_ctl = 0;
 	u16 phy_ctl = 0;
+	bool fill_phy_ctl1 = (phy->type == B43_PHYTYPE_LP ||
+			      phy->type == B43_PHYTYPE_N ||
+			      phy->type == B43_PHYTYPE_HT);
 	u8 extra_ft = 0;
 	struct ieee80211_rate *txrate;
 	struct ieee80211_tx_rate *rates;
@@ -216,7 +278,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	else
 		txhdr->phy_rate = b43_plcp_get_ratecode_cck(rate);
 	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) ||
@@ -228,7 +290,8 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		txhdr->dur_fb = wlhdr->duration_id;
 	} else {
 		txhdr->dur_fb = ieee80211_generic_frame_duration(
-			dev->wl->hw, info->control.vif, fragment_len, fbrate);
+			dev->wl->hw, info->control.vif, info->band,
+			fragment_len, fbrate);
 	}
 
 	plcp_fragment_len = fragment_len + FCS_LEN;
@@ -265,8 +328,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 			/* we give the phase1key and iv16 here, the key is stored in
 			 * shm. With that the hardware can do phase 2 and encryption.
 			 */
-			ieee80211_get_tkip_key(info->control.hw_key, skb_frag,
-					IEEE80211_TKIP_P1_KEY, (u8*)phase1key);
+			ieee80211_get_tkip_p1k(info->control.hw_key, skb_frag, phase1key);
 			/* phase1key is in host endian. Copy to little-endian txhdr->iv. */
 			for (i = 0; i < 5; i++) {
 				txhdr->iv[i * 2 + 0] = phase1key[i];
@@ -275,17 +337,24 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 			/* iv16 */
 			memcpy(txhdr->iv + 10, ((u8 *) wlhdr) + wlhdr_len, 3);
 		} else {
-			iv_len = min((size_t) info->control.hw_key->iv_len,
+			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);
 		}
 	}
-	if (b43_is_old_txhdr_format(dev)) {
-		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->old_format.plcp),
+	switch (dev->fw.hdr_format) {
+	case B43_FW_HDR_598:
+		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->format_598.plcp),
 				      plcp_fragment_len, rate);
-	} else {
-		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->new_format.plcp),
+		break;
+	case B43_FW_HDR_351:
+		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->format_351.plcp),
+				      plcp_fragment_len, rate);
+		break;
+	case B43_FW_HDR_410:
+		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->format_410.plcp),
 				      plcp_fragment_len, rate);
+		break;
 	}
 	b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->plcp_fb),
 			      plcp_fragment_len, rate_fb);
@@ -310,7 +379,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	if (info->control.rates[0].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
 		phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
 
-	switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
+	switch (b43_ieee80211_antenna_sanitize(dev, 0)) {
 	case 0: /* Default */
 		phy_ctl |= B43_TXH_PHY_ANT01AUTO;
 		break;
@@ -339,7 +408,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		mac_ctl |= B43_TXH_MAC_HWSEQ;
 	if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
 		mac_ctl |= B43_TXH_MAC_STMSDU;
-	if (phy->type == B43_PHYTYPE_A)
+	if (!phy->gmode)
 		mac_ctl |= B43_TXH_MAC_5GHZ;
 
 	/* Overwrite rates[0].count to make the retry calculation
@@ -358,10 +427,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	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;
+		struct ieee80211_hdr *uninitialized_var(hdr);
 		int rts_rate, rts_rate_fb;
 		int rts_rate_ofdm, rts_rate_fb_ofdm;
-		struct b43_plcp_hdr6 *plcp;
+		struct b43_plcp_hdr6 *uninitialized_var(plcp);
 		struct ieee80211_rate *rts_cts_rate;
 
 		rts_cts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info);
@@ -372,14 +441,21 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb);
 
 		if (rates[0].flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
-			struct ieee80211_cts *cts;
+			struct ieee80211_cts *uninitialized_var(cts);
 
-			if (b43_is_old_txhdr_format(dev)) {
+			switch (dev->fw.hdr_format) {
+			case B43_FW_HDR_598:
 				cts = (struct ieee80211_cts *)
-					(txhdr->old_format.rts_frame);
-			} else {
+					(txhdr->format_598.rts_frame);
+				break;
+			case B43_FW_HDR_351:
+				cts = (struct ieee80211_cts *)
+					(txhdr->format_351.rts_frame);
+				break;
+			case B43_FW_HDR_410:
 				cts = (struct ieee80211_cts *)
-					(txhdr->new_format.rts_frame);
+					(txhdr->format_410.rts_frame);
+				break;
 			}
 			ieee80211_ctstoself_get(dev->wl->hw, info->control.vif,
 						fragment_data, fragment_len,
@@ -387,14 +463,21 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 			mac_ctl |= B43_TXH_MAC_SENDCTS;
 			len = sizeof(struct ieee80211_cts);
 		} else {
-			struct ieee80211_rts *rts;
+			struct ieee80211_rts *uninitialized_var(rts);
 
-			if (b43_is_old_txhdr_format(dev)) {
+			switch (dev->fw.hdr_format) {
+			case B43_FW_HDR_598:
 				rts = (struct ieee80211_rts *)
-					(txhdr->old_format.rts_frame);
-			} else {
+					(txhdr->format_598.rts_frame);
+				break;
+			case B43_FW_HDR_351:
+				rts = (struct ieee80211_rts *)
+					(txhdr->format_351.rts_frame);
+				break;
+			case B43_FW_HDR_410:
 				rts = (struct ieee80211_rts *)
-					(txhdr->new_format.rts_frame);
+					(txhdr->format_410.rts_frame);
+				break;
 			}
 			ieee80211_rts_get(dev->wl->hw, info->control.vif,
 					  fragment_data, fragment_len,
@@ -405,22 +488,36 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		len += FCS_LEN;
 
 		/* Generate the PLCP headers for the RTS/CTS frame */
-		if (b43_is_old_txhdr_format(dev))
-			plcp = &txhdr->old_format.rts_plcp;
-		else
-			plcp = &txhdr->new_format.rts_plcp;
+		switch (dev->fw.hdr_format) {
+		case B43_FW_HDR_598:
+			plcp = &txhdr->format_598.rts_plcp;
+			break;
+		case B43_FW_HDR_351:
+			plcp = &txhdr->format_351.rts_plcp;
+			break;
+		case B43_FW_HDR_410:
+			plcp = &txhdr->format_410.rts_plcp;
+			break;
+		}
 		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp,
 				      len, rts_rate);
 		plcp = &txhdr->rts_plcp_fb;
 		b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)plcp,
 				      len, rts_rate_fb);
 
-		if (b43_is_old_txhdr_format(dev)) {
+		switch (dev->fw.hdr_format) {
+		case B43_FW_HDR_598:
 			hdr = (struct ieee80211_hdr *)
-				(&txhdr->old_format.rts_frame);
-		} else {
+				(&txhdr->format_598.rts_frame);
+			break;
+		case B43_FW_HDR_351:
+			hdr = (struct ieee80211_hdr *)
+				(&txhdr->format_351.rts_frame);
+			break;
+		case B43_FW_HDR_410:
 			hdr = (struct ieee80211_hdr *)
-				(&txhdr->new_format.rts_frame);
+				(&txhdr->format_410.rts_frame);
+			break;
 		}
 		txhdr->rts_dur_fb = hdr->duration_id;
 
@@ -437,13 +534,35 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 			extra_ft |= B43_TXH_EFT_RTSFB_OFDM;
 		else
 			extra_ft |= B43_TXH_EFT_RTSFB_CCK;
+
+		if (rates[0].flags & IEEE80211_TX_RC_USE_RTS_CTS &&
+		    fill_phy_ctl1) {
+			txhdr->phy_ctl1_rts = cpu_to_le16(
+				b43_generate_tx_phy_ctl1(dev, rts_rate));
+			txhdr->phy_ctl1_rts_fb = cpu_to_le16(
+				b43_generate_tx_phy_ctl1(dev, rts_rate_fb));
+		}
 	}
 
 	/* Magic cookie */
-	if (b43_is_old_txhdr_format(dev))
-		txhdr->old_format.cookie = cpu_to_le16(cookie);
-	else
-		txhdr->new_format.cookie = cpu_to_le16(cookie);
+	switch (dev->fw.hdr_format) {
+	case B43_FW_HDR_598:
+		txhdr->format_598.cookie = cpu_to_le16(cookie);
+		break;
+	case B43_FW_HDR_351:
+		txhdr->format_351.cookie = cpu_to_le16(cookie);
+		break;
+	case B43_FW_HDR_410:
+		txhdr->format_410.cookie = cpu_to_le16(cookie);
+		break;
+	}
+
+	if (fill_phy_ctl1) {
+		txhdr->phy_ctl1 =
+			cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate));
+		txhdr->phy_ctl1_fb =
+			cpu_to_le16(b43_generate_tx_phy_ctl1(dev, rate_fb));
+	}
 
 	/* Apply the bitfields */
 	txhdr->mac_ctl = cpu_to_le32(mac_ctl);
@@ -474,7 +593,7 @@ static s8 b43_rssi_postprocess(struct b43_wldev *dev,
 			else
 				tmp -= 3;
 		} else {
-			if (dev->dev->bus->sprom.
+			if (dev->dev->bus_sprom->
 			    boardflags_lo & B43_BFL_RSSI) {
 				if (in_rssi > 63)
 					in_rssi = 63;
@@ -539,20 +658,31 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	struct ieee80211_hdr *wlhdr;
 	const struct b43_rxhdr_fw4 *rxhdr = _rxhdr;
 	__le16 fctl;
-	u16 phystat0, phystat3, chanstat, mactime;
-	u32 macstat;
+	u16 phystat0, phystat3;
+	u16 uninitialized_var(chanstat), uninitialized_var(mactime);
+	u32 uninitialized_var(macstat);
 	u16 chanid;
 	u16 phytype;
-	int padding;
+	int padding, rate_idx;
 
 	memset(&status, 0, sizeof(status));
 
 	/* Get metadata about the frame from the header. */
 	phystat0 = le16_to_cpu(rxhdr->phy_status0);
 	phystat3 = le16_to_cpu(rxhdr->phy_status3);
-	macstat = le32_to_cpu(rxhdr->mac_status);
-	mactime = le16_to_cpu(rxhdr->mac_time);
-	chanstat = le16_to_cpu(rxhdr->channel);
+	switch (dev->fw.hdr_format) {
+	case B43_FW_HDR_598:
+		macstat = le32_to_cpu(rxhdr->format_598.mac_status);
+		mactime = le16_to_cpu(rxhdr->format_598.mac_time);
+		chanstat = le16_to_cpu(rxhdr->format_598.channel);
+		break;
+	case B43_FW_HDR_410:
+	case B43_FW_HDR_351:
+		macstat = le32_to_cpu(rxhdr->format_351.mac_status);
+		mactime = le16_to_cpu(rxhdr->format_351.mac_time);
+		chanstat = le16_to_cpu(rxhdr->format_351.channel);
+		break;
+	}
 	phytype = chanstat & B43_RX_CHAN_PHYTYPE;
 
 	if (unlikely(macstat & B43_RX_MAC_FCSERR)) {
@@ -610,30 +740,43 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	}
 
 	/* Link quality statistics */
-	status.noise = dev->stats.link_noise;
-	if ((chanstat & B43_RX_CHAN_PHYTYPE) == B43_PHYTYPE_N) {
-//		s8 rssi = max(rxhdr->power0, rxhdr->power1);
-		//TODO: Find out what the rssi value is (dBm or percentage?)
-		//      and also find out what the maximum possible value is.
-		//      Fill status.ssi and status.signal fields.
-	} else {
+	switch (chanstat & B43_RX_CHAN_PHYTYPE) {
+	case B43_PHYTYPE_HT:
+		/* TODO: is max the right choice? */
+		status.signal = max_t(__s8,
+			max(rxhdr->phy_ht_power0, rxhdr->phy_ht_power1),
+			rxhdr->phy_ht_power2);
+		break;
+	case B43_PHYTYPE_N:
+		/* Broadcom has code for min and avg, but always uses max */
+		if (rxhdr->power0 == 16 || rxhdr->power0 == 32)
+			status.signal = max(rxhdr->power1, rxhdr->power2);
+		else
+			status.signal = max(rxhdr->power0, rxhdr->power1);
+		break;
+	case B43_PHYTYPE_A:
+	case B43_PHYTYPE_B:
+	case B43_PHYTYPE_G:
+	case B43_PHYTYPE_LP:
 		status.signal = b43_rssi_postprocess(dev, rxhdr->jssi,
 						  (phystat0 & B43_RX_PHYST0_OFDM),
 						  (phystat0 & B43_RX_PHYST0_GAINCTL),
 						  (phystat3 & B43_RX_PHYST3_TRSTATE));
+		break;
 	}
 
 	if (phystat0 & B43_RX_PHYST0_OFDM)
-		status.rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp,
+		rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp,
 						phytype == B43_PHYTYPE_A);
 	else
-		status.rate_idx = b43_plcp_get_bitrate_idx_cck(plcp);
-	if (unlikely(status.rate_idx == -1)) {
+		rate_idx = b43_plcp_get_bitrate_idx_cck(plcp);
+	if (unlikely(rate_idx == -1)) {
 		/* PLCP seems to be corrupted.
 		 * Drop the frame, if we are not interested in corrupted frames. */
 		if (!(dev->wl->filter_flags & FIF_PLCPFAIL))
 			goto drop;
 	}
+	status.rate_idx = rate_idx;
 	status.antenna = !!(phystat0 & B43_RX_PHYST0_ANT);
 
 	/*
@@ -653,7 +796,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		status.mactime += mactime;
 		if (low_mactime_now <= mactime)
 			status.mactime -= 0x10000;
-		status.flag |= RX_FLAG_TSFT;
+		status.flag |= RX_FLAG_MACTIME_START;
 	}
 
 	chanid = (chanstat & B43_RX_CHAN_ID) >> B43_RX_CHAN_ID_SHIFT;
@@ -663,25 +806,30 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		B43_WARN_ON(1);
 		/* FIXME: We don't really know which value the "chanid" contains.
 		 *        So the following assignment might be wrong. */
-		status.freq = b43_channel_to_freq_5ghz(chanid);
+		status.freq =
+			ieee80211_channel_to_frequency(chanid, status.band);
 		break;
 	case B43_PHYTYPE_G:
 		status.band = IEEE80211_BAND_2GHZ;
-		/* chanid is the radio channel cookie value as used
-		 * to tune the radio. */
-		status.freq = chanid + 2400;
+		/* Somewhere between 478.104 and 508.1084 firmware for G-PHY
+		 * has been modified to be compatible with N-PHY and others.
+		 */
+		if (dev->fw.rev >= 508)
+			status.freq = ieee80211_channel_to_frequency(chanid, status.band);
+		else
+			status.freq = chanid + 2400;
 		break;
 	case B43_PHYTYPE_N:
 	case B43_PHYTYPE_LP:
+	case B43_PHYTYPE_HT:
 		/* chanid is the SHM channel cookie. Which is the plain
 		 * channel number in b43. */
-		if (chanstat & B43_RX_CHAN_5GHZ) {
+		if (chanstat & B43_RX_CHAN_5GHZ)
 			status.band = IEEE80211_BAND_5GHZ;
-			status.freq = b43_freq_to_channel_5ghz(chanid);
-		} else {
+		else
 			status.band = IEEE80211_BAND_2GHZ;
-			status.freq = b43_freq_to_channel_2ghz(chanid);
-		}
+		status.freq =
+			ieee80211_channel_to_frequency(chanid, status.band);
 		break;
 	default:
 		B43_WARN_ON(1);
@@ -696,7 +844,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 #endif
 	return;
 drop:
-	b43dbg(dev->wl, "RX: Packet dropped\n");
 	dev_kfree_skb_any(skb);
 }
 
@@ -733,7 +880,7 @@ bool b43_fill_txstatus_report(struct b43_wldev *dev,
 			      struct ieee80211_tx_info *report,
 			      const struct b43_txstatus *status)
 {
-	bool frame_success = 1;
+	bool frame_success = true;
 	int retry_limit;
 
 	/* preserve the confiured retry limit before clearing the status
@@ -749,7 +896,7 @@ bool b43_fill_txstatus_report(struct b43_wldev *dev,
 		/* The frame was not ACKed... */
 		if (!(report->flags & IEEE80211_TX_CTL_NO_ACK)) {
 			/* ...but we expected an ACK. */
-			frame_success = 0;
+			frame_success = false;
 		}
 	}
 	if (status->frame_count == 0) {