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mt76: usb: move mt76u_check_sg in usb.c

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Move mt76u_check_sg routine in usb.c and introduce sg_en variable
in mt76_usb in order to check if scatter-gather is supported by
mt76u layer

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2019-02-12 14:42:39 +01:00 committed by Felix Fietkau
parent b3098121c4
commit 63a7de5dfb
4 changed files with 16 additions and 13 deletions
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11
drivers/net/wireless/mediatek/mt76/mt76.h
View File

@ -379,6 +379,7 @@ struct mt76_usb {
u16 out_max_packet;
u8 in_ep[__MT_EP_IN_MAX];
u16 in_max_packet;
bool sg_en;
struct mt76u_mcu {
struct mutex mutex;
@ -726,16 +727,6 @@ static inline u8 q2ep(u8 qid)
return qid + 1;
}
static inline bool mt76u_check_sg(struct mt76_dev *dev)
{
struct usb_interface *intf = to_usb_interface(dev->dev);
struct usb_device *udev = interface_to_usbdev(intf);
return (udev->bus->sg_tablesize > 0 &&
(udev->bus->no_sg_constraint ||
udev->speed == USB_SPEED_WIRELESS));
}
static inline int
mt76u_bulk_msg(struct mt76_dev *dev, void *data, int len, int timeout)
{

2
drivers/net/wireless/mediatek/mt76/mt76x0/usb.c
View File

@ -206,7 +206,7 @@ static int mt76x0u_register_device(struct mt76x02_dev *dev)
goto out_err;
/* check hw sg support in order to enable AMSDU */
if (mt76u_check_sg(&dev->mt76))
if (dev->mt76.usb.sg_en)
hw->max_tx_fragments = MT_SG_MAX_SIZE;
else
hw->max_tx_fragments = 1;

2
drivers/net/wireless/mediatek/mt76/mt76x2/usb_init.c
View File

@ -228,7 +228,7 @@ int mt76x2u_register_device(struct mt76x02_dev *dev)
goto fail;
/* check hw sg support in order to enable AMSDU */
if (mt76u_check_sg(&dev->mt76))
if (dev->mt76.usb.sg_en)
hw->max_tx_fragments = MT_SG_MAX_SIZE;
else
hw->max_tx_fragments = 1;

14
drivers/net/wireless/mediatek/mt76/usb.c
View File

@ -241,6 +241,16 @@ mt76u_rd_rp(struct mt76_dev *dev, u32 base,
return mt76u_req_rd_rp(dev, base, data, n);
}
static bool mt76u_check_sg(struct mt76_dev *dev)
{
struct usb_interface *intf = to_usb_interface(dev->dev);
struct usb_device *udev = interface_to_usbdev(intf);
return (udev->bus->sg_tablesize > 0 &&
(udev->bus->no_sg_constraint ||
udev->speed == USB_SPEED_WIRELESS));
}
static int
mt76u_set_endpoints(struct usb_interface *intf,
struct mt76_usb *usb)
@ -535,7 +545,7 @@ static int mt76u_alloc_rx(struct mt76_dev *dev)
if (!q->entry)
return -ENOMEM;
if (mt76u_check_sg(dev)) {
if (dev->usb.sg_en) {
q->buf_size = MT_RX_BUF_SIZE;
nsgs = MT_SG_MAX_SIZE;
} else {
@ -880,6 +890,8 @@ int mt76u_init(struct mt76_dev *dev,
dev->bus = &mt76u_ops;
dev->queue_ops = &usb_queue_ops;
usb->sg_en = mt76u_check_sg(dev);
return mt76u_set_endpoints(intf, usb);
}
EXPORT_SYMBOL_GPL(mt76u_init);