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path: root/drivers/net/wireless/mediatek/mt76/usb.c
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Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/usb.c')
-rw-r--r--drivers/net/wireless/mediatek/mt76/usb.c139
1 files changed, 48 insertions, 91 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/usb.c b/drivers/net/wireless/mediatek/mt76/usb.c
index 0a7006c8959b..4c4033bb1bb3 100644
--- a/drivers/net/wireless/mediatek/mt76/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/usb.c
@@ -15,9 +15,8 @@ static bool disable_usb_sg;
module_param_named(disable_usb_sg, disable_usb_sg, bool, 0644);
MODULE_PARM_DESC(disable_usb_sg, "Disable usb scatter-gather support");
-static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req,
- u8 req_type, u16 val, u16 offset,
- void *buf, size_t len)
+int __mt76u_vendor_request(struct mt76_dev *dev, u8 req, u8 req_type,
+ u16 val, u16 offset, void *buf, size_t len)
{
struct usb_interface *uintf = to_usb_interface(dev->dev);
struct usb_device *udev = interface_to_usbdev(uintf);
@@ -45,6 +44,7 @@ static int __mt76u_vendor_request(struct mt76_dev *dev, u8 req,
req, offset, ret);
return ret;
}
+EXPORT_SYMBOL_GPL(__mt76u_vendor_request);
int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
u8 req_type, u16 val, u16 offset,
@@ -62,22 +62,21 @@ int mt76u_vendor_request(struct mt76_dev *dev, u8 req,
}
EXPORT_SYMBOL_GPL(mt76u_vendor_request);
-static u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u32 addr)
+u32 ___mt76u_rr(struct mt76_dev *dev, u8 req, u8 req_type, u32 addr)
{
struct mt76_usb *usb = &dev->usb;
u32 data = ~0;
int ret;
- ret = __mt76u_vendor_request(dev, req,
- USB_DIR_IN | USB_TYPE_VENDOR,
- addr >> 16, addr, usb->data,
- sizeof(__le32));
+ ret = __mt76u_vendor_request(dev, req, req_type, addr >> 16,
+ addr, usb->data, sizeof(__le32));
if (ret == sizeof(__le32))
data = get_unaligned_le32(usb->data);
trace_usb_reg_rr(dev, addr, data);
return data;
}
+EXPORT_SYMBOL_GPL(___mt76u_rr);
static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr)
{
@@ -95,7 +94,8 @@ static u32 __mt76u_rr(struct mt76_dev *dev, u32 addr)
break;
}
- return ___mt76u_rr(dev, req, addr & ~MT_VEND_TYPE_MASK);
+ return ___mt76u_rr(dev, req, USB_DIR_IN | USB_TYPE_VENDOR,
+ addr & ~MT_VEND_TYPE_MASK);
}
static u32 mt76u_rr(struct mt76_dev *dev, u32 addr)
@@ -109,29 +109,17 @@ static u32 mt76u_rr(struct mt76_dev *dev, u32 addr)
return ret;
}
-static u32 mt76u_rr_ext(struct mt76_dev *dev, u32 addr)
-{
- u32 ret;
-
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ret = ___mt76u_rr(dev, MT_VEND_READ_EXT, addr);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return ret;
-}
-
-static void ___mt76u_wr(struct mt76_dev *dev, u8 req,
- u32 addr, u32 val)
+void ___mt76u_wr(struct mt76_dev *dev, u8 req, u8 req_type,
+ u32 addr, u32 val)
{
struct mt76_usb *usb = &dev->usb;
put_unaligned_le32(val, usb->data);
- __mt76u_vendor_request(dev, req,
- USB_DIR_OUT | USB_TYPE_VENDOR,
- addr >> 16, addr, usb->data,
- sizeof(__le32));
+ __mt76u_vendor_request(dev, req, req_type, addr >> 16,
+ addr, usb->data, sizeof(__le32));
trace_usb_reg_wr(dev, addr, val);
}
+EXPORT_SYMBOL_GPL(___mt76u_wr);
static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
{
@@ -145,7 +133,8 @@ static void __mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
req = MT_VEND_MULTI_WRITE;
break;
}
- ___mt76u_wr(dev, req, addr & ~MT_VEND_TYPE_MASK, val);
+ ___mt76u_wr(dev, req, USB_DIR_OUT | USB_TYPE_VENDOR,
+ addr & ~MT_VEND_TYPE_MASK, val);
}
static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
@@ -155,13 +144,6 @@ static void mt76u_wr(struct mt76_dev *dev, u32 addr, u32 val)
mutex_unlock(&dev->usb.usb_ctrl_mtx);
}
-static void mt76u_wr_ext(struct mt76_dev *dev, u32 addr, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-}
-
static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr,
u32 mask, u32 val)
{
@@ -173,17 +155,6 @@ static u32 mt76u_rmw(struct mt76_dev *dev, u32 addr,
return val;
}
-static u32 mt76u_rmw_ext(struct mt76_dev *dev, u32 addr,
- u32 mask, u32 val)
-{
- mutex_lock(&dev->usb.usb_ctrl_mtx);
- val |= ___mt76u_rr(dev, MT_VEND_READ_EXT, addr) & ~mask;
- ___mt76u_wr(dev, MT_VEND_WRITE_EXT, addr, val);
- mutex_unlock(&dev->usb.usb_ctrl_mtx);
-
- return val;
-}
-
static void mt76u_copy(struct mt76_dev *dev, u32 offset,
const void *data, int len)
{
@@ -216,33 +187,8 @@ static void mt76u_copy(struct mt76_dev *dev, u32 offset,
mutex_unlock(&usb->usb_ctrl_mtx);
}
-static void mt76u_copy_ext(struct mt76_dev *dev, u32 offset,
- const void *data, int len)
-{
- struct mt76_usb *usb = &dev->usb;
- int ret, i = 0, batch_len;
- const u8 *val = data;
-
- len = round_up(len, 4);
- mutex_lock(&usb->usb_ctrl_mtx);
- while (i < len) {
- batch_len = min_t(int, usb->data_len, len - i);
- memcpy(usb->data, val + i, batch_len);
- ret = __mt76u_vendor_request(dev, MT_VEND_WRITE_EXT,
- USB_DIR_OUT | USB_TYPE_VENDOR,
- (offset + i) >> 16, offset + i,
- usb->data, batch_len);
- if (ret < 0)
- break;
-
- i += batch_len;
- }
- mutex_unlock(&usb->usb_ctrl_mtx);
-}
-
-static void
-mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset,
- void *data, int len)
+void mt76u_read_copy(struct mt76_dev *dev, u32 offset,
+ void *data, int len)
{
struct mt76_usb *usb = &dev->usb;
int i = 0, batch_len, ret;
@@ -264,6 +210,7 @@ mt76u_read_copy_ext(struct mt76_dev *dev, u32 offset,
}
mutex_unlock(&usb->usb_ctrl_mtx);
}
+EXPORT_SYMBOL_GPL(mt76u_read_copy);
void mt76u_single_wr(struct mt76_dev *dev, const u8 req,
const u16 offset, const u32 val)
@@ -581,6 +528,11 @@ mt76u_process_rx_entry(struct mt76_dev *dev, struct urb *urb,
head_room = drv_flags & MT_DRV_RX_DMA_HDR ? 0 : MT_DMA_HDR_LEN;
data_len = min_t(int, len, data_len - head_room);
+
+ if (len == data_len &&
+ dev->drv->rx_check && !dev->drv->rx_check(dev, data, data_len))
+ return 0;
+
skb = mt76u_build_rx_skb(dev, data, data_len, buf_size);
if (!skb)
return 0;
@@ -898,8 +850,8 @@ mt76u_tx_setup_buffers(struct mt76_dev *dev, struct sk_buff *skb,
static int
mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
- struct sk_buff *skb, struct mt76_wcid *wcid,
- struct ieee80211_sta *sta)
+ enum mt76_txq_id qid, struct sk_buff *skb,
+ struct mt76_wcid *wcid, struct ieee80211_sta *sta)
{
struct mt76_tx_info tx_info = {
.skb = skb,
@@ -911,7 +863,7 @@ mt76u_tx_queue_skb(struct mt76_dev *dev, struct mt76_queue *q,
return -ENOSPC;
skb->prev = skb->next = NULL;
- err = dev->drv->tx_prepare_skb(dev, NULL, q->qid, wcid, sta, &tx_info);
+ err = dev->drv->tx_prepare_skb(dev, NULL, qid, wcid, sta, &tx_info);
if (err < 0)
return err;
@@ -990,7 +942,6 @@ static int mt76u_alloc_tx(struct mt76_dev *dev)
spin_lock_init(&q->lock);
q->hw_idx = mt76u_ac_to_hwq(dev, i);
- q->qid = i;
dev->phy.q_tx[i] = q;
@@ -1112,27 +1063,16 @@ static const struct mt76_queue_ops usb_queue_ops = {
.kick = mt76u_tx_kick,
};
-int mt76u_init(struct mt76_dev *dev,
- struct usb_interface *intf, bool ext)
+int __mt76u_init(struct mt76_dev *dev, struct usb_interface *intf,
+ struct mt76_bus_ops *ops)
{
- static struct mt76_bus_ops mt76u_ops = {
- .read_copy = mt76u_read_copy_ext,
- .wr_rp = mt76u_wr_rp,
- .rd_rp = mt76u_rd_rp,
- .type = MT76_BUS_USB,
- };
struct usb_device *udev = interface_to_usbdev(intf);
struct mt76_usb *usb = &dev->usb;
int err;
- mt76u_ops.rr = ext ? mt76u_rr_ext : mt76u_rr;
- mt76u_ops.wr = ext ? mt76u_wr_ext : mt76u_wr;
- mt76u_ops.rmw = ext ? mt76u_rmw_ext : mt76u_rmw;
- mt76u_ops.write_copy = ext ? mt76u_copy_ext : mt76u_copy;
-
INIT_WORK(&usb->stat_work, mt76u_tx_status_data);
- usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0), 1);
+ usb->data_len = usb_maxpacket(udev, usb_sndctrlpipe(udev, 0));
if (usb->data_len < 32)
usb->data_len = 32;
@@ -1141,7 +1081,7 @@ int mt76u_init(struct mt76_dev *dev,
return -ENOMEM;
mutex_init(&usb->usb_ctrl_mtx);
- dev->bus = &mt76u_ops;
+ dev->bus = ops;
dev->queue_ops = &usb_queue_ops;
dev_set_drvdata(&udev->dev, dev);
@@ -1167,6 +1107,23 @@ int mt76u_init(struct mt76_dev *dev,
return 0;
}
+EXPORT_SYMBOL_GPL(__mt76u_init);
+
+int mt76u_init(struct mt76_dev *dev, struct usb_interface *intf)
+{
+ static struct mt76_bus_ops bus_ops = {
+ .rr = mt76u_rr,
+ .wr = mt76u_wr,
+ .rmw = mt76u_rmw,
+ .read_copy = mt76u_read_copy,
+ .write_copy = mt76u_copy,
+ .wr_rp = mt76u_wr_rp,
+ .rd_rp = mt76u_rd_rp,
+ .type = MT76_BUS_USB,
+ };
+
+ return __mt76u_init(dev, intf, &bus_ops);
+}
EXPORT_SYMBOL_GPL(mt76u_init);
MODULE_AUTHOR("Lorenzo Bianconi <lorenzo.bianconi83@gmail.com>");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.