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Fix packet size for USB 3.0

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This commit is contained in:
Jeremy Soller
2025-03-28 17:48:47 -06:00
parent 59edc11bee
commit 8dcd85b546
1 changed files with 15 additions and 12 deletions
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xhcid/src/xhci/mod.rs
+15 -12
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@@ -858,7 +858,7 @@ impl Xhci {
.await?;
}
debug!("Got the 8 byte dev descriptor");
debug!("Got the 8 byte dev descriptor: {:X?}", dev_desc_8_byte);
let dev_desc = self.get_desc(port_id, slot).await?;
debug!("Got the full device descriptor!");
@@ -963,12 +963,13 @@ impl Xhci {
slot_id: u8,
dev_desc: usb::DeviceDescriptor8Byte,
) -> Result<()> {
let new_max_packet_size = u32::from(dev_desc.packet_size); //if dev_desc.major_usb_vers() == 2 {
//u32::from(dev_desc.packet_size)
//} else {
// info!("USB 2 device detected. Packet size is: {}", dev_desc.packet_size);
// 1u32 << dev_desc.packet_size
//};
let new_max_packet_size = if dev_desc.major_usb_vers() == 2 {
// For USB 2.0, packet_size is in bytes
u32::from(dev_desc.packet_size)
} else {
// For other USB versions, packet_size is the shift
1u32 << dev_desc.packet_size
};
let endp_ctx = &mut input_context.device.endpoints[0];
let mut b = endp_ctx.b.read();
b &= 0x0000_FFFF;
@@ -997,11 +998,13 @@ impl Xhci {
input_context.add_context.write(1 << 1);
input_context.drop_context.write(0);
let new_max_packet_size = u32::from(dev_desc.packet_size); //if dev_desc.major_version() == 2 {
// u32::from(dev_desc.packet_size)
//} else {
// 1u32 << dev_desc.packet_size
//};
let new_max_packet_size = if dev_desc.major_version() == 2 {
// For USB 2.0, packet_size is in bytes
u32::from(dev_desc.packet_size)
} else {
// For other USB versions, packet_size is the shift
1u32 << dev_desc.packet_size
};
let endp_ctx = &mut input_context.device.endpoints[0];
let mut b = endp_ctx.b.read();
b &= 0x0000_FFFF;