From: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
This adds code to parse the new RX descriptor format used by the
8723bu/8192eu parts.
Signed-off-by: Jes Sorensen <Jes.Sorensen@xxxxxxxxxx>
---
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c | 125 +++++++++++++++++------
drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h | 8 ++
2 files changed, 103 insertions(+), 30 deletions(-)
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index 6aa908e..b1b3e14 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -6730,6 +6730,91 @@ static void rtl8xxxu_rx_urb_work(struct work_struct *work)
}
}
+static int rtl8723au_parse_rx_desc(struct rtl8xxxu_priv *priv,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
+{
+ struct rtl8xxxu_rx_desc *rx_desc = (struct rtl8xxxu_rx_desc *)skb->data;
+ struct rtl8723au_phy_stats *phy_stats;
+ int drvinfo_sz, desc_shift;
+
+ skb_pull(skb, sizeof(struct rtl8xxxu_rx_desc));
+
+ phy_stats = (struct rtl8723au_phy_stats *)skb->data;
+
+ drvinfo_sz = rx_desc->drvinfo_sz * 8;
+ desc_shift = rx_desc->shift;
+ skb_pull(skb, drvinfo_sz + desc_shift);
+
+ if (rx_desc->phy_stats)
+ rtl8xxxu_rx_parse_phystats(priv, rx_status, rx_desc, phy_stats);
+
+ rx_status->mactime = le32_to_cpu(rx_desc->tsfl);
+ rx_status->flag |= RX_FLAG_MACTIME_START;
+
+ if (!rx_desc->swdec)
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ if (rx_desc->crc32)
+ rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+ if (rx_desc->bw)
+ rx_status->flag |= RX_FLAG_40MHZ;
+
+ if (rx_desc->rxht) {
+ rx_status->flag |= RX_FLAG_HT;
+ rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0;
+ } else {
+ rx_status->rate_idx = rx_desc->rxmcs;
+ }
+
+ return RX_TYPE_DATA_PKT;
+}
+
+static int rtl8723bu_parse_rx_desc(struct rtl8xxxu_priv *priv,
+ struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status)
+{
+ struct rtl8723bu_rx_desc *rx_desc =
+ (struct rtl8723bu_rx_desc *)skb->data;
+ struct rtl8723au_phy_stats *phy_stats;
+ int drvinfo_sz, desc_shift;
+ int rx_type;
+
+ skb_pull(skb, sizeof(struct rtl8723bu_rx_desc));
+
+ phy_stats = (struct rtl8723au_phy_stats *)skb->data;
+
+ drvinfo_sz = rx_desc->drvinfo_sz * 8;
+ desc_shift = rx_desc->shift;
+ skb_pull(skb, drvinfo_sz + desc_shift);
+
+ rx_status->mactime = le32_to_cpu(rx_desc->tsfl);
+ rx_status->flag |= RX_FLAG_MACTIME_START;
+
+ if (!rx_desc->swdec)
+ rx_status->flag |= RX_FLAG_DECRYPTED;
+ if (rx_desc->crc32)
+ rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
+ if (rx_desc->bw)
+ rx_status->flag |= RX_FLAG_40MHZ;
+
+ if (rx_desc->rxmcs >= DESC_RATE_MCS0) {
+ rx_status->flag |= RX_FLAG_HT;
+ rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0;
+ } else {
+ rx_status->rate_idx = rx_desc->rxmcs;
+ }
+
+ if (rx_desc->rpt_sel) {
+ struct device *dev = &priv->udev->dev;
+ dev_dbg(dev, "%s: C2H packet\n", __func__);
+ rx_type = RX_TYPE_C2H;
+ } else {
+ rx_type = RX_TYPE_DATA_PKT;
+ }
+
+ return rx_type;
+}
+
static void rtl8xxxu_rx_complete(struct urb *urb)
{
struct rtl8xxxu_rx_urb *rx_urb =
@@ -6737,54 +6822,30 @@ static void rtl8xxxu_rx_complete(struct urb *urb)
struct ieee80211_hw *hw = rx_urb->hw;
struct rtl8xxxu_priv *priv = hw->priv;
struct sk_buff *skb = (struct sk_buff *)urb->context;
- struct rtl8xxxu_rx_desc *rx_desc = (struct rtl8xxxu_rx_desc *)skb->data;
- struct rtl8723au_phy_stats *phy_stats;
struct ieee80211_rx_status *rx_status = IEEE80211_SKB_RXCB(skb);
struct device *dev = &priv->udev->dev;
__le32 *_rx_desc_le = (__le32 *)skb->data;
u32 *_rx_desc = (u32 *)skb->data;
- int drvinfo_sz, desc_shift, i;
+ int rx_type, i;
for (i = 0; i < (sizeof(struct rtl8xxxu_rx_desc) / sizeof(u32)); i++)
_rx_desc[i] = le32_to_cpu(_rx_desc_le[i]);
- drvinfo_sz = rx_desc->drvinfo_sz * 8;
- desc_shift = rx_desc->shift;
skb_put(skb, urb->actual_length);
if (urb->status == 0) {
- skb_pull(skb, sizeof(struct rtl8xxxu_rx_desc));
- phy_stats = (struct rtl8723au_phy_stats *)skb->data;
-
- skb_pull(skb, drvinfo_sz + desc_shift);
-
memset(rx_status, 0, sizeof(struct ieee80211_rx_status));
- if (rx_desc->phy_stats)
- rtl8xxxu_rx_parse_phystats(priv, rx_status,
- rx_desc, phy_stats);
+ rx_type = priv->fops->parse_rx_desc(priv, skb, rx_status);
rx_status->freq = hw->conf.chandef.chan->center_freq;
rx_status->band = hw->conf.chandef.chan->band;
- rx_status->mactime = le32_to_cpu(rx_desc->tsfl);
- rx_status->flag |= RX_FLAG_MACTIME_START;
-
- if (!rx_desc->swdec)
- rx_status->flag |= RX_FLAG_DECRYPTED;
- if (rx_desc->crc32)
- rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
- if (rx_desc->bw)
- rx_status->flag |= RX_FLAG_40MHZ;
-
- if (rx_desc->rxht) {
- rx_status->flag |= RX_FLAG_HT;
- rx_status->rate_idx = rx_desc->rxmcs - DESC_RATE_MCS0;
- } else {
- rx_status->rate_idx = rx_desc->rxmcs;
- }
+ if (rx_type == RX_TYPE_DATA_PKT)
+ ieee80211_rx_irqsafe(hw, skb);
+ else
+ dev_kfree_skb(skb);
- ieee80211_rx_irqsafe(hw, skb);
skb = NULL;
rx_urb->urb.context = NULL;
rtl8xxxu_queue_rx_urb(priv, rx_urb);
@@ -7564,6 +7625,7 @@ static struct rtl8xxxu_fileops rtl8723au_fops = {
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
+ .parse_rx_desc = rtl8723au_parse_rx_desc,
.writeN_block_size = 1024,
.mbox_ext_reg = REG_HMBOX_EXT_0,
.mbox_ext_width = 2,
@@ -7582,6 +7644,7 @@ static struct rtl8xxxu_fileops rtl8723bu_fops = {
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
.config_channel = rtl8723bu_config_channel,
.init_bt = rtl8723bu_init_bt,
+ .parse_rx_desc = rtl8723bu_parse_rx_desc,
.writeN_block_size = 1024,
.mbox_ext_reg = REG_HMBOX_EXT0_8723B,
.mbox_ext_width = 4,
@@ -7601,6 +7664,7 @@ static struct rtl8xxxu_fileops rtl8192cu_fops = {
.llt_init = rtl8xxxu_init_llt_table,
.phy_iq_calibrate = rtl8723au_phy_iq_calibrate,
.config_channel = rtl8723au_config_channel,
+ .parse_rx_desc = rtl8723au_parse_rx_desc,
.writeN_block_size = 128,
.mbox_ext_reg = REG_HMBOX_EXT_0,
.mbox_ext_width = 2,
@@ -7619,6 +7683,7 @@ static struct rtl8xxxu_fileops rtl8192eu_fops = {
.llt_init = rtl8xxxu_auto_llt_table,
.phy_iq_calibrate = rtl8723bu_phy_iq_calibrate,
.config_channel = rtl8723bu_config_channel,
+ .parse_rx_desc = rtl8723bu_parse_rx_desc,
.writeN_block_size = 128,
.mbox_ext_reg = REG_HMBOX_EXT0_8723B,
.mbox_ext_width = 4,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index a8a4f2b..4a3afe3 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -61,6 +61,12 @@
#define EFUSE_BT_MAP_LEN_8723A 1024
#define EFUSE_MAX_WORD_UNIT 4
+enum rtl8xxxu_rx_type {
+ RX_TYPE_DATA_PKT = 0,
+ RX_TYPE_C2H = 1,
+ RX_TYPE_ERROR = -1
+};
+
struct rtl8xxxu_rx_desc {
#ifdef __LITTLE_ENDIAN
u32 pktlen:14;
@@ -1010,6 +1016,8 @@ struct rtl8xxxu_fileops {
void (*phy_iq_calibrate) (struct rtl8xxxu_priv *priv);
void (*config_channel) (struct ieee80211_hw *hw);
void (*init_bt) (struct rtl8xxxu_priv *priv);
+ int (*parse_rx_desc) (struct rtl8xxxu_priv *priv, struct sk_buff *skb,
+ struct ieee80211_rx_status *rx_status);
int writeN_block_size;
u16 mbox_ext_reg;
char mbox_ext_width;
--
2.5.0
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