Update b43 from compat-wireless-2008-05-26 codebase

SVN-Revision: 11358

1 files changed, 88 insertions, 89 deletions

diff --git a/package/b43/src/xmit.c b/package/b43/src/xmit.c
index 4014b6c827..f9e1cff2ae 100644
--- a/package/b43/src/xmit.c
+++ b/package/b43/src/xmit.c
@@ -30,6 +30,7 @@
 #include "xmit.h"
 #include "phy.h"
 #include "dma.h"
+#include "pio.h"
 
 
 /* Extract the bitrate index out of a CCK PLCP header. */
@@ -184,14 +185,14 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		       u8 *_txhdr,
 		       const unsigned char *fragment_data,
 		       unsigned int fragment_len,
-		       const struct ieee80211_tx_control *txctl,
+		       const struct ieee80211_tx_info *info,
 		       u16 cookie)
 {
 	struct b43_txhdr *txhdr = (struct b43_txhdr *)_txhdr;
 	const struct b43_phy *phy = &dev->phy;
 	const struct ieee80211_hdr *wlhdr =
 	    (const struct ieee80211_hdr *)fragment_data;
-	int use_encryption = (!(txctl->flags & IEEE80211_TXCTL_DO_NOT_ENCRYPT));
+	int use_encryption = (!(info->flags & IEEE80211_TX_CTL_DO_NOT_ENCRYPT));
 	u16 fctl = le16_to_cpu(wlhdr->frame_control);
 	struct ieee80211_rate *fbrate;
 	u8 rate, rate_fb;
@@ -200,13 +201,14 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	u32 mac_ctl = 0;
 	u16 phy_ctl = 0;
 	u8 extra_ft = 0;
+	struct ieee80211_rate *txrate;
 
 	memset(txhdr, 0, sizeof(*txhdr));
 
-	WARN_ON(!txctl->tx_rate);
-	rate = txctl->tx_rate ? txctl->tx_rate->hw_value : B43_CCK_RATE_1MB;
+	txrate = ieee80211_get_tx_rate(dev->wl->hw, info);
+	rate = txrate ? txrate->hw_value : B43_CCK_RATE_1MB;
 	rate_ofdm = b43_is_ofdm_rate(rate);
-	fbrate = txctl->alt_retry_rate ? : txctl->tx_rate;
+	fbrate = ieee80211_get_alt_retry_rate(dev->wl->hw, info) ? : txrate;
 	rate_fb = fbrate->hw_value;
 	rate_fb_ofdm = b43_is_ofdm_rate(rate_fb);
 
@@ -226,15 +228,13 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		 * use the original dur_id field. */
 		txhdr->dur_fb = wlhdr->duration_id;
 	} else {
-		txhdr->dur_fb = ieee80211_generic_frame_duration(dev->wl->hw,
-								 txctl->vif,
-								 fragment_len,
-								 fbrate);
+		txhdr->dur_fb = ieee80211_generic_frame_duration(
+			dev->wl->hw, info->control.vif, fragment_len, fbrate);
 	}
 
 	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 b43_key *key;
 		int wlhdr_len;
 		size_t iv_len;
@@ -252,7 +252,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		}
 
 		/* Hardware appends ICV. */
-		plcp_fragment_len += txctl->icv_len;
+		plcp_fragment_len += info->control.icv_len;
 
 		key_idx = b43_kidx_to_fw(dev, key_idx);
 		mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
@@ -260,7 +260,7 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
 			   B43_TXH_MAC_KEYALG;
 		wlhdr_len = ieee80211_get_hdrlen(fctl);
-		iv_len = min((size_t) txctl->iv_len,
+		iv_len = min((size_t) info->control.iv_len,
 			     ARRAY_SIZE(txhdr->iv));
 		memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
 	}
@@ -291,10 +291,10 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 		phy_ctl |= B43_TXH_PHY_ENC_OFDM;
 	else
 		phy_ctl |= B43_TXH_PHY_ENC_CCK;
-	if (txctl->flags & IEEE80211_TXCTL_SHORT_PREAMBLE)
+	if (info->flags & IEEE80211_TX_CTL_SHORT_PREAMBLE)
 		phy_ctl |= B43_TXH_PHY_SHORTPRMBL;
 
-	switch (b43_ieee80211_antenna_sanitize(dev, txctl->antenna_sel_tx)) {
+	switch (b43_ieee80211_antenna_sanitize(dev, info->antenna_sel_tx)) {
 	case 0: /* Default */
 		phy_ctl |= B43_TXH_PHY_ANT01AUTO;
 		break;
@@ -315,34 +315,36 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 	}
 
 	/* MAC control */
-	if (!(txctl->flags & IEEE80211_TXCTL_NO_ACK))
+	if (!(info->flags & IEEE80211_TX_CTL_NO_ACK))
 		mac_ctl |= B43_TXH_MAC_ACK;
 	if (!(((fctl & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL) &&
 	      ((fctl & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PSPOLL)))
 		mac_ctl |= B43_TXH_MAC_HWSEQ;
-	if (txctl->flags & IEEE80211_TXCTL_FIRST_FRAGMENT)
+	if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
 		mac_ctl |= B43_TXH_MAC_STMSDU;
 	if (phy->type == B43_PHYTYPE_A)
 		mac_ctl |= B43_TXH_MAC_5GHZ;
-	if (txctl->flags & IEEE80211_TXCTL_LONG_RETRY_LIMIT)
+	if (info->flags & IEEE80211_TX_CTL_LONG_RETRY_LIMIT)
 		mac_ctl |= B43_TXH_MAC_LONGFRAME;
 
 	/* Generate the RTS or CTS-to-self frame */
-	if ((txctl->flags & IEEE80211_TXCTL_USE_RTS_CTS) ||
-	    (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT)) {
+	if ((info->flags & IEEE80211_TX_CTL_USE_RTS_CTS) ||
+	    (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT)) {
 		unsigned int len;
 		struct ieee80211_hdr *hdr;
 		int rts_rate, rts_rate_fb;
 		int rts_rate_ofdm, rts_rate_fb_ofdm;
 		struct b43_plcp_hdr6 *plcp;
+		struct ieee80211_rate *rts_cts_rate;
 
-		WARN_ON(!txctl->rts_cts_rate);
-		rts_rate = txctl->rts_cts_rate ? txctl->rts_cts_rate->hw_value : B43_CCK_RATE_1MB;
+		rts_cts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info);
+
+		rts_rate = rts_cts_rate ? rts_cts_rate->hw_value : B43_CCK_RATE_1MB;
 		rts_rate_ofdm = b43_is_ofdm_rate(rts_rate);
 		rts_rate_fb = b43_calc_fallback_rate(rts_rate);
 		rts_rate_fb_ofdm = b43_is_ofdm_rate(rts_rate_fb);
 
-		if (txctl->flags & IEEE80211_TXCTL_USE_CTS_PROTECT) {
+		if (info->flags & IEEE80211_TX_CTL_USE_CTS_PROTECT) {
 			struct ieee80211_cts *cts;
 
 			if (b43_is_old_txhdr_format(dev)) {
@@ -352,9 +354,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 				cts = (struct ieee80211_cts *)
 					(txhdr->new_format.rts_frame);
 			}
-			ieee80211_ctstoself_get(dev->wl->hw, txctl->vif,
+			ieee80211_ctstoself_get(dev->wl->hw, info->control.vif,
 						fragment_data, fragment_len,
-						txctl, cts);
+						info, cts);
 			mac_ctl |= B43_TXH_MAC_SENDCTS;
 			len = sizeof(struct ieee80211_cts);
 		} else {
@@ -367,9 +369,9 @@ int b43_generate_txhdr(struct b43_wldev *dev,
 				rts = (struct ieee80211_rts *)
 					(txhdr->new_format.rts_frame);
 			}
-			ieee80211_rts_get(dev->wl->hw, txctl->vif,
+			ieee80211_rts_get(dev->wl->hw, info->control.vif,
 					  fragment_data, fragment_len,
-					  txctl, rts);
+					  info, rts);
 			mac_ctl |= B43_TXH_MAC_SENDRTS;
 			len = sizeof(struct ieee80211_rts);
 		}
@@ -512,7 +514,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	u32 macstat;
 	u16 chanid;
 	u16 phytype;
-	u8 jssi;
 	int padding;
 
 	memset(&status, 0, sizeof(status));
@@ -520,7 +521,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	/* Get metadata about the frame from the header. */
 	phystat0 = le16_to_cpu(rxhdr->phy_status0);
 	phystat3 = le16_to_cpu(rxhdr->phy_status3);
-	jssi = rxhdr->jssi;
 	macstat = le32_to_cpu(rxhdr->mac_status);
 	mactime = le16_to_cpu(rxhdr->mac_time);
 	chanstat = le16_to_cpu(rxhdr->channel);
@@ -574,13 +574,21 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		}
 	}
 
-	status.ssi = b43_rssi_postprocess(dev, jssi,
-					  (phystat0 & B43_RX_PHYST0_OFDM),
-					  (phystat0 & B43_RX_PHYST0_GAINCTL),
-					  (phystat3 & B43_RX_PHYST3_TRSTATE));
+	/* Link quality statistics */
 	status.noise = dev->stats.link_noise;
-	/* the next line looks wrong, but is what mac80211 wants */
-	status.signal = (jssi * 100) / B43_RX_MAX_SSI;
+	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 {
+		status.signal = b43_rssi_postprocess(dev, rxhdr->jssi,
+						  (phystat0 & B43_RX_PHYST0_OFDM),
+						  (phystat0 & B43_RX_PHYST0_GAINCTL),
+						  (phystat3 & B43_RX_PHYST3_TRSTATE));
+		status.qual = (rxhdr->jssi * 100) / B43_RX_MAX_SSI;
+	}
+
 	if (phystat0 & B43_RX_PHYST0_OFDM)
 		status.rate_idx = b43_plcp_get_bitrate_idx_ofdm(plcp,
 						phytype == B43_PHYTYPE_A);
@@ -589,12 +597,16 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 	status.antenna = !!(phystat0 & B43_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 (((fctl & (IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE))
+	    == (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON)) ||
+	    dev->wl->radiotap_enabled) {
 		u16 low_mactime_now;
 
 		b43_tsf_read(dev, &status.mactime);
@@ -664,67 +676,54 @@ void b43_handle_txstatus(struct b43_wldev *dev,
 			dev->wl->ieee_stats.dot11RTSSuccessCount++;
 	}
 
-	b43_dma_handle_txstatus(dev, status);
+	if (b43_using_pio_transfers(dev))
+		b43_pio_handle_txstatus(dev, status);
+	else
+		b43_dma_handle_txstatus(dev, status);
 }
 
-/* Handle TX status report as received through DMA/PIO queues */
-void b43_handle_hwtxstatus(struct b43_wldev *dev,
-			   const struct b43_hwtxstatus *hw)
+/* Fill out the mac80211 TXstatus report based on the b43-specific
+ * txstatus report data. This returns a boolean whether the frame was
+ * successfully transmitted. */
+bool b43_fill_txstatus_report(struct ieee80211_tx_info *report,
+			      const struct b43_txstatus *status)
 {
-	struct b43_txstatus status;
-	u8 tmp;
-
-	status.cookie = le16_to_cpu(hw->cookie);
-	status.seq = le16_to_cpu(hw->seq);
-	status.phy_stat = hw->phy_stat;
-	tmp = hw->count;
-	status.frame_count = (tmp >> 4);
-	status.rts_count = (tmp & 0x0F);
-	tmp = hw->flags;
-	status.supp_reason = ((tmp & 0x1C) >> 2);
-	status.pm_indicated = !!(tmp & 0x80);
-	status.intermediate = !!(tmp & 0x40);
-	status.for_ampdu = !!(tmp & 0x20);
-	status.acked = !!(tmp & 0x02);
-
-	b43_handle_txstatus(dev, &status);
+	bool frame_success = 1;
+
+	if (status->acked) {
+		/* The frame was ACKed. */
+		report->flags |= IEEE80211_TX_STAT_ACK;
+	} else {
+		/* The frame was not ACKed... */
+		if (!(report->flags & IEEE80211_TX_CTL_NO_ACK)) {
+			/* ...but we expected an ACK. */
+			frame_success = 0;
+			report->status.excessive_retries = 1;
+		}
+	}
+	if (status->frame_count == 0) {
+		/* The frame was not transmitted at all. */
+		report->status.retry_count = 0;
+	} else
+		report->status.retry_count = status->frame_count - 1;
+
+	return frame_success;
 }
 
 /* Stop any TX operation on the device (suspend the hardware queues) */
 void b43_tx_suspend(struct b43_wldev *dev)
 {
-	b43_dma_tx_suspend(dev);
+	if (b43_using_pio_transfers(dev))
+		b43_pio_tx_suspend(dev);
+	else
+		b43_dma_tx_suspend(dev);
 }
 
 /* Resume any TX operation on the device (resume the hardware queues) */
 void b43_tx_resume(struct b43_wldev *dev)
 {
-	b43_dma_tx_resume(dev);
-}
-
-#if 0
-static void upload_qos_parms(struct b43_wldev *dev,
-			     const u16 * parms, u16 offset)
-{
-	int i;
-
-	for (i = 0; i < B43_NR_QOSPARMS; i++) {
-		b43_shm_write16(dev, B43_SHM_SHARED,
-				offset + (i * 2), parms[i]);
-	}
-}
-#endif
-
-/* Initialize the QoS parameters */
-void b43_qos_init(struct b43_wldev *dev)
-{
-	/* FIXME: This function must probably be called from the mac80211
-	 * config callback. */
-	return;
-
-	b43_hf_write(dev, b43_hf_read(dev) | B43_HF_EDCF);
-	//FIXME kill magic
-	b43_write16(dev, 0x688, b43_read16(dev, 0x688) | 0x4);
-
-	/*TODO: We might need some stack support here to get the values. */
+	if (b43_using_pio_transfers(dev))
+		b43_pio_tx_resume(dev);
+	else
+		b43_dma_tx_resume(dev);
 }