openwrtv4/package/kernel/mac80211/patches/652-0002-rtl8xxxu-Move-skb-delivery-into-parse_tx_desc-handle.patch

From a635df8a41ace30d15cb6fa22a04ba5b4c364cff Mon Sep 17 00:00:00 2001
From: Jes Sorensen <Jes.Sorensen@redhat.com>
Date: Mon, 27 Jun 2016 12:32:00 -0400
Subject: [PATCH] rtl8xxxu: Move skb delivery into parse_tx_desc() handler

This is another prepatory patch to be able to handle aggregated RX
packets.

In order to avoid adding a prototype, this also moves the
rtl8723bu_handle_c2h() function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
---
 .../net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c  | 104 ++++++++++-----------
 1 file changed, 50 insertions(+), 54 deletions(-)

--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -5045,6 +5045,51 @@ static void rtl8xxxu_rx_urb_work(struct
 	}
 }
 
+static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv,
+				 struct sk_buff *skb)
+{
+	struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data;
+	struct device *dev = &priv->udev->dev;
+	int len;
+
+	len = skb->len - 2;
+
+	dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n",
+		c2h->id, c2h->seq, len, c2h->bt_info.response_source);
+
+	switch(c2h->id) {
+	case C2H_8723B_BT_INFO:
+		if (c2h->bt_info.response_source >
+		    BT_INFO_SRC_8723B_BT_ACTIVE_SEND)
+			dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n");
+		else
+			dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n");
+
+		if (c2h->bt_info.bt_has_reset)
+			dev_dbg(dev, "BT has been reset\n");
+		if (c2h->bt_info.tx_rx_mask)
+			dev_dbg(dev, "BT TRx mask\n");
+
+		break;
+	case C2H_8723B_BT_MP_INFO:
+		dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n",
+			c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status);
+		break;
+	case C2H_8723B_RA_REPORT:
+		dev_dbg(dev,
+			"C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n",
+			c2h->ra_report.rate, c2h->ra_report.dummy0_0,
+			c2h->ra_report.macid, c2h->ra_report.noisy_state);
+		break;
+	default:
+		dev_info(dev, "Unhandled C2H event %02x seq %02x\n",
+			 c2h->id, c2h->seq);
+		print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE,
+			       16, 1, c2h->raw.payload, len, false);
+		break;
+	}
+}
+
 int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb,
 			    struct ieee80211_rx_status *rx_status)
 {
@@ -5094,6 +5139,7 @@ int rtl8xxxu_parse_rxdesc16(struct rtl8x
 	rx_status->freq = hw->conf.chandef.chan->center_freq;
 	rx_status->band = hw->conf.chandef.chan->band;
 
+	ieee80211_rx_irqsafe(hw, skb);
 	return RX_TYPE_DATA_PKT;
 }
 
@@ -5125,6 +5171,8 @@ int rtl8xxxu_parse_rxdesc24(struct rtl8x
 	if (rx_desc->rpt_sel) {
 		struct device *dev = &priv->udev->dev;
 		dev_dbg(dev, "%s: C2H packet\n", __func__);
+		rtl8723bu_handle_c2h(priv, skb);
+		dev_kfree_skb(skb);
 		return RX_TYPE_C2H;
 	}
 
@@ -5152,54 +5200,10 @@ int rtl8xxxu_parse_rxdesc24(struct rtl8x
 	rx_status->freq = hw->conf.chandef.chan->center_freq;
 	rx_status->band = hw->conf.chandef.chan->band;
 
+	ieee80211_rx_irqsafe(hw, skb);
 	return RX_TYPE_DATA_PKT;
 }
 
-static void rtl8723bu_handle_c2h(struct rtl8xxxu_priv *priv,
-				 struct sk_buff *skb)
-{
-	struct rtl8723bu_c2h *c2h = (struct rtl8723bu_c2h *)skb->data;
-	struct device *dev = &priv->udev->dev;
-	int len;
-
-	len = skb->len - 2;
-
-	dev_dbg(dev, "C2H ID %02x seq %02x, len %02x source %02x\n",
-		c2h->id, c2h->seq, len, c2h->bt_info.response_source);
-
-	switch(c2h->id) {
-	case C2H_8723B_BT_INFO:
-		if (c2h->bt_info.response_source >
-		    BT_INFO_SRC_8723B_BT_ACTIVE_SEND)
-			dev_dbg(dev, "C2H_BT_INFO WiFi only firmware\n");
-		else
-			dev_dbg(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n");
-
-		if (c2h->bt_info.bt_has_reset)
-			dev_dbg(dev, "BT has been reset\n");
-		if (c2h->bt_info.tx_rx_mask)
-			dev_dbg(dev, "BT TRx mask\n");
-
-		break;
-	case C2H_8723B_BT_MP_INFO:
-		dev_dbg(dev, "C2H_MP_INFO ext ID %02x, status %02x\n",
-			c2h->bt_mp_info.ext_id, c2h->bt_mp_info.status);
-		break;
-	case C2H_8723B_RA_REPORT:
-		dev_dbg(dev,
-			"C2H RA RPT: rate %02x, unk %i, macid %02x, noise %i\n",
-			c2h->ra_report.rate, c2h->ra_report.dummy0_0,
-			c2h->ra_report.macid, c2h->ra_report.noisy_state);
-		break;
-	default:
-		dev_info(dev, "Unhandled C2H event %02x seq %02x\n",
-			 c2h->id, c2h->seq);
-		print_hex_dump(KERN_INFO, "C2H content: ", DUMP_PREFIX_NONE,
-			       16, 1, c2h->raw.payload, len, false);
-		break;
-	}
-}
-
 static void rtl8xxxu_rx_complete(struct urb *urb)
 {
 	struct rtl8xxxu_rx_urb *rx_urb =
@@ -5209,19 +5213,11 @@ static void rtl8xxxu_rx_complete(struct
 	struct sk_buff *skb = (struct sk_buff *)urb->context;
 	struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
 	struct device *dev = &priv->udev->dev;
-	int rx_type;
 
 	skb_put(skb, urb->actual_length);
 
 	if (urb->status == 0) {
-		rx_type = priv->fops->parse_rx_desc(priv, skb, rx_status);
-
-		if (rx_type == RX_TYPE_DATA_PKT)
-			ieee80211_rx_irqsafe(hw, skb);
-		else {
-			rtl8723bu_handle_c2h(priv, skb);
-			dev_kfree_skb(skb);
-		}
+		priv->fops->parse_rx_desc(priv, skb, rx_status);
 
 		skb = NULL;
 		rx_urb->urb.context = NULL;