fix keyboard and mass storgae stream

internal/usbip/server.go

@@ -15,7 +15,6 @@ import (
 	"unsafe"
 
 	"github.com/duffy/usb-server/internal/usb"
-	"golang.org/x/sys/unix"
 )
 
 // Server handles USB/IP protocol on the share side.
@@ -112,9 +111,7 @@ func (s *Server) Detach() {
 	s.mu.Lock()
 	for seqNum, pending := range s.pendingURBs {
 		if pending.urbPtr != nil {
-			unix.Syscall(unix.SYS_IOCTL, uintptr(s.handle.Fd()),
-				0x8000550B, // USBDEVFS_DISCARDURB
-				uintptr(pending.urbPtr))
+			s.handle.DiscardURBByPtr(pending.urbPtr)
 		}
 		delete(s.pendingURBs, seqNum)
 	}
@@ -410,6 +407,33 @@ func (s *Server) handleCmdSubmit(r io.Reader, hdr *URBHeader, retChan chan<- []b
 				status = -32
 			}
 
+		case bmRequestType == 0x00 && bRequest == 0x09:
+			// SET_CONFIGURATION — the device resets all endpoint data toggles
+			// to DATA0 on SET_CONFIGURATION, but USBDEVFS_CONTROL doesn't update
+			// the host controller's toggle state. We must manually reset host-side
+			// toggles via USBDEVFS_RESETEP, otherwise data toggle mismatch causes
+			// all non-control transfers (bulk, interrupt) to fail silently.
+			buf := transferBuf
+			if buf == nil {
+				buf = make([]byte, 0)
+			}
+			_, err := s.handle.ControlTransfer(bmRequestType, bRequest, wValue, wIndex, 0, 5000, buf)
+			if err != nil {
+				log.Printf("[usbip-server] SET_CONFIGURATION(%d) failed: %v", wValue, err)
+				status = -32
+			} else {
+				log.Printf("[usbip-server] SET_CONFIGURATION(%d) OK, resetting endpoint toggles", wValue)
+				for epNum := range s.epTypes {
+					if epNum == 0 {
+						continue
+					}
+					// Reset both OUT and IN directions; ignore errors for
+					// non-existent directions (e.g. endpoint only has IN)
+					s.handle.ResetEndpoint(uint32(epNum))
+					s.handle.ResetEndpoint(uint32(epNum) | 0x80)
+				}
+			}
+
 		default:
 			// Generic OUT control transfer
 			buf := transferBuf
@@ -577,11 +601,7 @@ func (s *Server) handleCmdUnlink(r io.Reader, hdr *URBHeader, retChan chan<- []b
 
 	var status int32
 	if exists && pending.urbPtr != nil {
-		// Try to discard the URB via proper ioctl
-		_, _, errno := unix.Syscall(unix.SYS_IOCTL, uintptr(s.handle.Fd()),
-			uintptr(0x8000550B), // USBDEVFS_DISCARDURB
-			uintptr(pending.urbPtr))
-		if errno == 0 {
+		if err := s.handle.DiscardURBByPtr(pending.urbPtr); err == nil {
 			status = -104 // -ECONNRESET
 		}
 	}