From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
The 64 bit mailbox commands also provide a different method for
mailbox command responses (C2H events).
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 34 ++++++++++++++-
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 54 ++++++++++++++++++++++++
2 files changed, 87 insertions(+), 1 deletion(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index b1b3e14..35e2522 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -6815,6 +6815,36 @@ static int rtl8723bu_parse_rx_desc(struct rtl8xxxu_priv *priv,
return rx_type;
}
+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;
+
+ pr_info("%s: C2H ID %02x seq %02x, len %02x %02x\n", __func__,
+ 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_info(dev, "C2H_BT_INFO WiFi only firmware\n");
+ else
+ dev_info(dev, "C2H_BT_INFO BT/WiFi coexist firmware\n");
+
+ if (c2h->bt_info.bt_has_reset)
+ dev_info(dev, "BT has been reset\n");
+
+ break;
+ default:
+ pr_info("%s: Unhandled C2H event %02x\n", __func__, c2h->id);
+ break;
+ }
+}
+
static void rtl8xxxu_rx_complete(struct urb *urb)
{
struct rtl8xxxu_rx_urb *rx_urb =
@@ -6843,8 +6873,10 @@ static void rtl8xxxu_rx_complete(struct urb *urb)
if (rx_type == RX_TYPE_DATA_PKT)
ieee80211_rx_irqsafe(hw, skb);
- else
+ else {
+ rtl8723bu_handle_c2h(priv, skb);
dev_kfree_skb(skb);
+ }
skb = NULL;
rx_urb->urb.context = NULL;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 4a3afe3..e4d5c4b 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -899,6 +899,60 @@ struct h2c_cmd {
};
};
+enum c2h_evt_8723b {
+ C2H_8723B_DEBUG = 0,
+ C2H_8723B_TSF = 1,
+ C2H_8723B_AP_RPT_RSP = 2,
+ C2H_8723B_CCX_TX_RPT = 3,
+ C2H_8723B_BT_RSSI = 4,
+ C2H_8723B_BT_OP_MODE = 5,
+ C2H_8723B_EXT_RA_RPT = 6,
+ C2H_8723B_BT_INFO = 9,
+ C2H_8723B_HW_INFO_EXCH = 10,
+ C2H_8723B_BT_MP_INFO = 11,
+ C2H_8723B_FW_DEBUG = 0xff,
+};
+
+enum bt_info_src_8723b {
+ BT_INFO_SRC_8723B_WIFI_FW = 0x0,
+ BT_INFO_SRC_8723B_BT_RSP = 0x1,
+ BT_INFO_SRC_8723B_BT_ACTIVE_SEND = 0x2,
+};
+
+struct rtl8723bu_c2h {
+ u8 id;
+ u8 seq;
+ union {
+ struct {
+ u8 payload[0];
+ } __packed raw;
+ struct {
+ u8 response_source:4;
+ u8 dummy0_0:4;
+
+ u8 bt_info;
+
+ u8 retry_count:4;
+ u8 dummy2_0:1;
+ u8 bt_page:1;
+ u8 tx_rx_mask:1;
+ u8 dummy2_2:1;
+
+ u8 rssi;
+
+ u8 basic_rate:1;
+ u8 bt_has_reset:1;
+ u8 dummy4_1:1;;
+ u8 ignore_wlan:1;
+ u8 auto_report:1;
+ u8 dummy4_2:3;
+
+ u8 a4;
+ u8 a5;
+ } __packed bt_info;
+ };
+};
+
struct rtl8xxxu_fileops;
struct rtl8xxxu_priv {
--
2.5.0
--
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