4 files changed, 73 insertions, 97 deletions

diff --git a/drivers/net/wireless/marvell/libertas_tf/cmd.c b/drivers/net/wireless/marvell/libertas_tf/cmd.c
index 909ac3685010..130f578daafd 100644
--- a/drivers/net/wireless/marvell/libertas_tf/cmd.c
+++ b/drivers/net/wireless/marvell/libertas_tf/cmd.c
@@ -256,7 +256,7 @@ static void lbtf_submit_command(struct lbtf_private *priv,
 		     command, le16_to_cpu(cmd->seqnum), cmdsize);
 	lbtf_deb_hex(LBTF_DEB_CMD, "DNLD_CMD", (void *) cmdnode->cmdbuf, cmdsize);
 
-	ret = priv->hw_host_to_card(priv, MVMS_CMD, (u8 *) cmd, cmdsize);
+	ret = priv->ops->hw_host_to_card(priv, MVMS_CMD, (u8 *)cmd, cmdsize);
 	spin_unlock_irqrestore(&priv->driver_lock, flags);
 
 	if (ret) {
@@ -737,10 +737,9 @@ int lbtf_process_rx_command(struct lbtf_private *priv)
 	respcmd = le16_to_cpu(resp->command);
 	result = le16_to_cpu(resp->result);
 
-	if (net_ratelimit())
-		pr_info("libertastf: cmd response 0x%04x, seq %d, size %d\n",
-			respcmd, le16_to_cpu(resp->seqnum),
-			le16_to_cpu(resp->size));
+	lbtf_deb_cmd("libertastf: cmd response 0x%04x, seq %d, size %d\n",
+		     respcmd, le16_to_cpu(resp->seqnum),
+		     le16_to_cpu(resp->size));
 
 	if (resp->seqnum != priv->cur_cmd->cmdbuf->seqnum) {
 		spin_unlock_irqrestore(&priv->driver_lock, flags);
diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
index 789337ea676a..a4b9ede70705 100644
--- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c
+++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c
@@ -42,14 +42,14 @@ MODULE_DEVICE_TABLE(usb, if_usb_table);
 
 static void if_usb_receive(struct urb *urb);
 static void if_usb_receive_fwload(struct urb *urb);
-static int if_usb_prog_firmware(struct if_usb_card *cardp);
+static int if_usb_prog_firmware(struct lbtf_private *priv);
 static int if_usb_host_to_card(struct lbtf_private *priv, uint8_t type,
 			       uint8_t *payload, uint16_t nb);
 static int usb_tx_block(struct if_usb_card *cardp, uint8_t *payload,
 			uint16_t nb, u8 data);
 static void if_usb_free(struct if_usb_card *cardp);
 static int if_usb_submit_rx_urb(struct if_usb_card *cardp);
-static int if_usb_reset_device(struct if_usb_card *cardp);
+static int if_usb_reset_device(struct lbtf_private *priv);
 
 /**
  *  if_usb_wrike_bulk_callback -  call back to handle URB status
@@ -131,6 +131,12 @@ static void if_usb_fw_timeo(struct timer_list *t)
 	lbtf_deb_leave(LBTF_DEB_USB);
 }
 
+static const struct lbtf_ops if_usb_ops = {
+	.hw_host_to_card = if_usb_host_to_card,
+	.hw_prog_firmware = if_usb_prog_firmware,
+	.hw_reset_device = if_usb_reset_device,
+};
+
 /**
  *  if_usb_probe - sets the configuration values
  *
@@ -216,17 +222,11 @@ static int if_usb_probe(struct usb_interface *intf,
 		goto dealloc;
 	}
 
-	priv = lbtf_add_card(cardp, &udev->dev);
+	cardp->boot2_version = udev->descriptor.bcdDevice;
+	priv = lbtf_add_card(cardp, &udev->dev, &if_usb_ops);
 	if (!priv)
 		goto dealloc;
 
-	cardp->priv = priv;
-
-	priv->hw_host_to_card = if_usb_host_to_card;
-	priv->hw_prog_firmware = if_usb_prog_firmware;
-	priv->hw_reset_device = if_usb_reset_device;
-	cardp->boot2_version = udev->descriptor.bcdDevice;
-
 	usb_get_dev(udev);
 	usb_set_intfdata(intf, cardp);
 
@@ -251,7 +251,7 @@ static void if_usb_disconnect(struct usb_interface *intf)
 
 	lbtf_deb_enter(LBTF_DEB_MAIN);
 
-	if_usb_reset_device(cardp);
+	if_usb_reset_device(priv);
 
 	if (priv)
 		lbtf_remove_card(priv);
@@ -334,8 +334,9 @@ static int if_usb_send_fw_pkt(struct if_usb_card *cardp)
 	return 0;
 }
 
-static int if_usb_reset_device(struct if_usb_card *cardp)
+static int if_usb_reset_device(struct lbtf_private *priv)
 {
+	struct if_usb_card *cardp = priv->card;
 	struct cmd_ds_802_11_reset *cmd = cardp->ep_out_buf + 4;
 	int ret;
 
@@ -433,8 +434,6 @@ static int __if_usb_submit_rx_urb(struct if_usb_card *cardp,
 			  skb_tail_pointer(skb),
 			  MRVDRV_ETH_RX_PACKET_BUFFER_SIZE, callbackfn, cardp);
 
-	cardp->rx_urb->transfer_flags |= URB_ZERO_PACKET;
-
 	lbtf_deb_usb2(&cardp->udev->dev, "Pointer for rx_urb %p\n",
 		cardp->rx_urb);
 	ret = usb_submit_urb(cardp->rx_urb, GFP_ATOMIC);
@@ -808,14 +807,17 @@ static int check_fwfile_format(const u8 *data, u32 totlen)
 }
 
 
-static int if_usb_prog_firmware(struct if_usb_card *cardp)
+static int if_usb_prog_firmware(struct lbtf_private *priv)
 {
+	struct if_usb_card *cardp = priv->card;
 	int i = 0;
 	static int reset_count = 10;
 	int ret = 0;
 
 	lbtf_deb_enter(LBTF_DEB_USB);
 
+	cardp->priv = priv;
+
 	kernel_param_lock(THIS_MODULE);
 	ret = request_firmware(&cardp->fw, lbtf_fw_name, &cardp->udev->dev);
 	if (ret < 0) {
@@ -851,7 +853,7 @@ restart:
 
 	if (cardp->bootcmdresp <= 0) {
 		if (--reset_count >= 0) {
-			if_usb_reset_device(cardp);
+			if_usb_reset_device(priv);
 			goto restart;
 		}
 		return -1;
@@ -880,7 +882,7 @@ restart:
 	if (!cardp->fwdnldover) {
 		pr_info("failed to load fw, resetting device!\n");
 		if (--reset_count >= 0) {
-			if_usb_reset_device(cardp);
+			if_usb_reset_device(priv);
 			goto restart;
 		}
 
@@ -889,8 +891,6 @@ restart:
 		goto release_fw;
 	}
 
-	cardp->priv->fw_ready = 1;
-
  release_fw:
 	release_firmware(cardp->fw);
 	cardp->fw = NULL;
diff --git a/drivers/net/wireless/marvell/libertas_tf/libertas_tf.h b/drivers/net/wireless/marvell/libertas_tf/libertas_tf.h
index ad77b92d0b41..3ed1fbe28798 100644
--- a/drivers/net/wireless/marvell/libertas_tf/libertas_tf.h
+++ b/drivers/net/wireless/marvell/libertas_tf/libertas_tf.h
@@ -173,10 +173,19 @@ struct channel_range {
 
 struct if_usb_card;
 
+struct lbtf_ops {
+	/** Hardware access */
+	int (*hw_host_to_card)(struct lbtf_private *priv, u8 type,
+			       u8 *payload, u16 nb);
+	int (*hw_prog_firmware)(struct lbtf_private *priv);
+	int (*hw_reset_device)(struct lbtf_private *priv);
+};
+
 /** Private structure for the MV device */
 struct lbtf_private {
 	void *card;
 	struct ieee80211_hw *hw;
+	const struct lbtf_ops *ops;
 
 	/* Command response buffer */
 	u8 cmd_resp_buff[LBS_UPLD_SIZE];
@@ -188,11 +197,6 @@ struct lbtf_private {
 
 	struct work_struct cmd_work;
 	struct work_struct tx_work;
-	/** Hardware access */
-	int (*hw_host_to_card) (struct lbtf_private *priv, u8 type, u8 *payload, u16 nb);
-	int (*hw_prog_firmware) (struct if_usb_card *cardp);
-	int (*hw_reset_device) (struct if_usb_card *cardp);
-
 
 	/** Wlan adapter data structure*/
 	/** STATUS variables */
@@ -250,7 +254,6 @@ struct lbtf_private {
 	struct ieee80211_supported_band band;
 	struct lbtf_offset_value offsetvalue;
 
-	u8 fw_ready;
 	u8 surpriseremoved;
 	struct sk_buff_head bc_ps_buf;
 
@@ -486,7 +489,8 @@ void lbtf_cmd_response_rx(struct lbtf_private *priv);
 /* main.c */
 struct chan_freq_power *lbtf_get_region_cfp_table(u8 region,
 	int *cfp_no);
-struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev);
+struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev,
+				   const struct lbtf_ops *ops);
 int lbtf_remove_card(struct lbtf_private *priv);
 int lbtf_start_card(struct lbtf_private *priv);
 int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb);
diff --git a/drivers/net/wireless/marvell/libertas_tf/main.c b/drivers/net/wireless/marvell/libertas_tf/main.c
index 1d45da187b9b..5799e9886d83 100644
--- a/drivers/net/wireless/marvell/libertas_tf/main.c
+++ b/drivers/net/wireless/marvell/libertas_tf/main.c
@@ -118,11 +118,6 @@ static void lbtf_cmd_work(struct work_struct *work)
 	priv->cmd_timed_out = 0;
 	spin_unlock_irq(&priv->driver_lock);
 
-	if (!priv->fw_ready) {
-		lbtf_deb_leave_args(LBTF_DEB_CMD, "fw not ready");
-		return;
-	}
-
 	/* Execute the next command */
 	if (!priv->cur_cmd)
 		lbtf_execute_next_command(priv);
@@ -131,37 +126,6 @@ static void lbtf_cmd_work(struct work_struct *work)
 }
 
 /**
- *  lbtf_setup_firmware: initialize firmware.
- *
- *  @priv    A pointer to struct lbtf_private structure
- *
- *  Returns: 0 on success.
- */
-static int lbtf_setup_firmware(struct lbtf_private *priv)
-{
-	int ret = -1;
-
-	lbtf_deb_enter(LBTF_DEB_FW);
-	/*
-	 * Read priv address from HW
-	 */
-	eth_broadcast_addr(priv->current_addr);
-	ret = lbtf_update_hw_spec(priv);
-	if (ret) {
-		ret = -1;
-		goto done;
-	}
-
-	lbtf_set_mac_control(priv);
-	lbtf_set_radio_control(priv);
-
-	ret = 0;
-done:
-	lbtf_deb_leave_args(LBTF_DEB_FW, "ret: %d", ret);
-	return ret;
-}
-
-/**
  *  This function handles the timeout of command sending.
  *  It will re-send the same command again.
  */
@@ -281,7 +245,7 @@ static void lbtf_tx_work(struct work_struct *work)
 	BUG_ON(priv->tx_skb);
 	spin_lock_irq(&priv->driver_lock);
 	priv->tx_skb = skb;
-	err = priv->hw_host_to_card(priv, MVMS_DAT, skb->data, skb->len);
+	err = priv->ops->hw_host_to_card(priv, MVMS_DAT, skb->data, skb->len);
 	spin_unlock_irq(&priv->driver_lock);
 	if (err) {
 		dev_kfree_skb_any(skb);
@@ -294,38 +258,17 @@ static void lbtf_tx_work(struct work_struct *work)
 static int lbtf_op_start(struct ieee80211_hw *hw)
 {
 	struct lbtf_private *priv = hw->priv;
-	void *card = priv->card;
-	int ret = -1;
 
 	lbtf_deb_enter(LBTF_DEB_MACOPS);
 
-	if (!priv->fw_ready)
-		/* Upload firmware */
-		if (priv->hw_prog_firmware(card))
-			goto err_prog_firmware;
-
-	/* poke the firmware */
 	priv->capability = WLAN_CAPABILITY_SHORT_PREAMBLE;
 	priv->radioon = RADIO_ON;
 	priv->mac_control = CMD_ACT_MAC_RX_ON | CMD_ACT_MAC_TX_ON;
-	ret = lbtf_setup_firmware(priv);
-	if (ret)
-		goto err_prog_firmware;
-
-	if ((priv->fwrelease < LBTF_FW_VER_MIN) ||
-	    (priv->fwrelease > LBTF_FW_VER_MAX)) {
-		ret = -1;
-		goto err_prog_firmware;
-	}
+	lbtf_set_mac_control(priv);
+	lbtf_set_radio_control(priv);
 
-	printk(KERN_INFO "libertastf: Marvell WLAN 802.11 thinfirm adapter\n");
 	lbtf_deb_leave(LBTF_DEB_MACOPS);
 	return 0;
-
-err_prog_firmware:
-	priv->hw_reset_device(card);
-	lbtf_deb_leave_args(LBTF_DEB_MACOPS, "error programming fw; ret=%d", ret);
-	return ret;
 }
 
 static void lbtf_op_stop(struct ieee80211_hw *hw)
@@ -551,11 +494,15 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 	struct ieee80211_rx_status stats;
 	struct rxpd *prxpd;
 	int need_padding;
-	unsigned int flags;
 	struct ieee80211_hdr *hdr;
 
 	lbtf_deb_enter(LBTF_DEB_RX);
 
+	if (priv->radioon != RADIO_ON) {
+		lbtf_deb_rx("rx before we turned on the radio");
+		goto done;
+	}
+
 	prxpd = (struct rxpd *) skb->data;
 
 	memset(&stats, 0, sizeof(stats));
@@ -563,7 +510,7 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 		stats.flag |= RX_FLAG_FAILED_FCS_CRC;
 	stats.freq = priv->cur_freq;
 	stats.band = NL80211_BAND_2GHZ;
-	stats.signal = prxpd->snr;
+	stats.signal = prxpd->snr - prxpd->nf;
 	priv->noise = prxpd->nf;
 	/* Marvell rate index has a hole at value 4 */
 	if (prxpd->rx_rate > 4)
@@ -572,7 +519,6 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 	skb_pull(skb, sizeof(struct rxpd));
 
 	hdr = (struct ieee80211_hdr *)skb->data;
-	flags = le32_to_cpu(*(__le32 *)(skb->data + 4));
 
 	need_padding = ieee80211_is_data_qos(hdr->frame_control);
 	need_padding ^= ieee80211_has_a4(hdr->frame_control);
@@ -594,19 +540,21 @@ int lbtf_rx(struct lbtf_private *priv, struct sk_buff *skb)
 
 	ieee80211_rx_irqsafe(priv->hw, skb);
 
+done:
 	lbtf_deb_leave(LBTF_DEB_RX);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lbtf_rx);
 
 /**
- * lbtf_add_card: Add and initialize the card, no fw upload yet.
+ * lbtf_add_card: Add and initialize the card.
  *
  *  @card    A pointer to card
  *
  *  Returns: pointer to struct lbtf_priv.
  */
-struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev)
+struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev,
+				   const struct lbtf_ops *ops)
 {
 	struct ieee80211_hw *hw;
 	struct lbtf_private *priv = NULL;
@@ -623,10 +571,13 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev)
 
 	priv->hw = hw;
 	priv->card = card;
+	priv->ops = ops;
 	priv->tx_skb = NULL;
+	priv->radioon = RADIO_OFF;
 
 	hw->queues = 1;
 	ieee80211_hw_set(hw, HOST_BROADCAST_PS_BUFFERING);
+	ieee80211_hw_set(hw, SIGNAL_DBM);
 	hw->extra_tx_headroom = sizeof(struct txpd);
 	memcpy(priv->channels, lbtf_channels, sizeof(lbtf_channels));
 	memcpy(priv->rates, lbtf_rates, sizeof(lbtf_rates));
@@ -646,9 +597,31 @@ struct lbtf_private *lbtf_add_card(void *card, struct device *dmdev)
 
 	INIT_WORK(&priv->cmd_work, lbtf_cmd_work);
 	INIT_WORK(&priv->tx_work, lbtf_tx_work);
+
+	if (priv->ops->hw_prog_firmware(priv)) {
+		lbtf_deb_usbd(dmdev, "Error programming the firmware\n");
+		priv->ops->hw_reset_device(priv);
+		goto err_init_adapter;
+	}
+
+	eth_broadcast_addr(priv->current_addr);
+	if (lbtf_update_hw_spec(priv))
+		goto err_init_adapter;
+
+	if (priv->fwrelease < LBTF_FW_VER_MIN ||
+	    priv->fwrelease > LBTF_FW_VER_MAX) {
+		goto err_init_adapter;
+	}
+
+	/* The firmware seems to start with the radio enabled. Turn it
+	 * off before an actual mac80211 start callback is invoked.
+	 */
+	lbtf_set_radio_control(priv);
+
 	if (ieee80211_register_hw(hw))
 		goto err_init_adapter;
 
+	dev_info(dmdev, "libertastf: Marvell WLAN 802.11 thinfirm adapter\n");
 	goto done;
 
 err_init_adapter:
@@ -676,7 +649,7 @@ int lbtf_remove_card(struct lbtf_private *priv)
 	ieee80211_unregister_hw(hw);
 	ieee80211_free_hw(hw);
 
-    lbtf_deb_leave(LBTF_DEB_MAIN);
+	lbtf_deb_leave(LBTF_DEB_MAIN);
 	return 0;
 }
 EXPORT_SYMBOL_GPL(lbtf_remove_card);