Move Unix transport out of netstack

PiperOrigin-RevId: 217557656
Change-Id: I63d27635b1a6c12877279995d2d9847b6a19da9b

25 files changed, 108 insertions, 108 deletions

diff --git a/pkg/sentry/fs/BUILD b/pkg/sentry/fs/BUILD
index a949fffbf..548898aaa 100644
--- a/pkg/sentry/fs/BUILD
+++ b/pkg/sentry/fs/BUILD
@@ -59,13 +59,13 @@ go_library(
         "//pkg/sentry/limits",
         "//pkg/sentry/memmap",
         "//pkg/sentry/platform",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/uniqueid",
         "//pkg/sentry/usage",
         "//pkg/sentry/usermem",
         "//pkg/state",
         "//pkg/syserror",
         "//pkg/tcpip",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
     ],
 )
diff --git a/pkg/sentry/fs/ashmem/BUILD b/pkg/sentry/fs/ashmem/BUILD
index dc893d22f..44ef82e64 100644
--- a/pkg/sentry/fs/ashmem/BUILD
+++ b/pkg/sentry/fs/ashmem/BUILD
@@ -28,7 +28,6 @@ go_library(
         "//pkg/sentry/usage",
         "//pkg/sentry/usermem",
         "//pkg/syserror",
-        "//pkg/tcpip/transport/unix",
     ],
 )
 
diff --git a/pkg/sentry/fs/dirent.go b/pkg/sentry/fs/dirent.go
index a42c03e98..27fea0019 100644
--- a/pkg/sentry/fs/dirent.go
+++ b/pkg/sentry/fs/dirent.go
@@ -26,9 +26,9 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/refs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel/auth"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/uniqueid"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 type globalDirentMap struct {
@@ -800,7 +800,7 @@ func (d *Dirent) CreateDirectory(ctx context.Context, root *Dirent, name string,
 }
 
 // Bind satisfies the InodeOperations interface; otherwise same as GetFile.
-func (d *Dirent) Bind(ctx context.Context, root *Dirent, name string, data unix.BoundEndpoint, perms FilePermissions) (*Dirent, error) {
+func (d *Dirent) Bind(ctx context.Context, root *Dirent, name string, data transport.BoundEndpoint, perms FilePermissions) (*Dirent, error) {
 	var childDir *Dirent
 	err := d.genericCreate(ctx, root, name, func() error {
 		var e error
diff --git a/pkg/sentry/fs/fsutil/BUILD b/pkg/sentry/fs/fsutil/BUILD
index 3512bae6f..6834e1272 100644
--- a/pkg/sentry/fs/fsutil/BUILD
+++ b/pkg/sentry/fs/fsutil/BUILD
@@ -87,11 +87,11 @@ go_library(
         "//pkg/sentry/memmap",
         "//pkg/sentry/platform",
         "//pkg/sentry/safemem",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usage",
         "//pkg/sentry/usermem",
         "//pkg/state",
         "//pkg/syserror",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
     ],
 )
diff --git a/pkg/sentry/fs/fsutil/inode.go b/pkg/sentry/fs/fsutil/inode.go
index 3479f2fad..3acc32752 100644
--- a/pkg/sentry/fs/fsutil/inode.go
+++ b/pkg/sentry/fs/fsutil/inode.go
@@ -19,9 +19,9 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	ktime "gvisor.googlesource.com/gvisor/pkg/sentry/kernel/time"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
@@ -254,7 +254,7 @@ func (InodeNotDirectory) CreateDirectory(context.Context, *fs.Inode, string, fs.
 }
 
 // Bind implements fs.InodeOperations.Bind.
-func (InodeNotDirectory) Bind(context.Context, *fs.Inode, string, unix.BoundEndpoint, fs.FilePermissions) (*fs.Dirent, error) {
+func (InodeNotDirectory) Bind(context.Context, *fs.Inode, string, transport.BoundEndpoint, fs.FilePermissions) (*fs.Dirent, error) {
 	return nil, syserror.ENOTDIR
 }
 
@@ -277,7 +277,7 @@ func (InodeNotDirectory) RemoveDirectory(context.Context, *fs.Inode, string) err
 type InodeNotSocket struct{}
 
 // BoundEndpoint implements fs.InodeOperations.BoundEndpoint.
-func (InodeNotSocket) BoundEndpoint(*fs.Inode, string) unix.BoundEndpoint {
+func (InodeNotSocket) BoundEndpoint(*fs.Inode, string) transport.BoundEndpoint {
 	return nil
 }
 
diff --git a/pkg/sentry/fs/gofer/BUILD b/pkg/sentry/fs/gofer/BUILD
index cb17339c9..cef01829a 100644
--- a/pkg/sentry/fs/gofer/BUILD
+++ b/pkg/sentry/fs/gofer/BUILD
@@ -41,10 +41,10 @@ go_library(
         "//pkg/sentry/kernel/time",
         "//pkg/sentry/memmap",
         "//pkg/sentry/safemem",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usermem",
         "//pkg/syserror",
         "//pkg/tcpip",
-        "//pkg/tcpip/transport/unix",
         "//pkg/unet",
         "//pkg/waiter",
     ],
diff --git a/pkg/sentry/fs/gofer/path.go b/pkg/sentry/fs/gofer/path.go
index bec9680f8..0bf7881da 100644
--- a/pkg/sentry/fs/gofer/path.go
+++ b/pkg/sentry/fs/gofer/path.go
@@ -22,8 +22,8 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/device"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 // Lookup loads an Inode at name into a Dirent based on the session's cache
@@ -180,7 +180,7 @@ func (i *inodeOperations) CreateDirectory(ctx context.Context, dir *fs.Inode, s
 }
 
 // Bind implements InodeOperations.Bind.
-func (i *inodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, ep unix.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
+func (i *inodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, ep transport.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
 	if i.session().endpoints == nil {
 		return nil, syscall.EOPNOTSUPP
 	}
diff --git a/pkg/sentry/fs/gofer/session.go b/pkg/sentry/fs/gofer/session.go
index 49d27ee88..4e2293398 100644
--- a/pkg/sentry/fs/gofer/session.go
+++ b/pkg/sentry/fs/gofer/session.go
@@ -24,7 +24,7 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/device"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/unet"
 )
 
@@ -36,23 +36,23 @@ type endpointMaps struct {
 	// direntMap links sockets to their dirents.
 	// It is filled concurrently with the keyMap and is stored upon save.
 	// Before saving, this map is used to populate the pathMap.
-	direntMap map[unix.BoundEndpoint]*fs.Dirent
+	direntMap map[transport.BoundEndpoint]*fs.Dirent
 
 	// keyMap links MultiDeviceKeys (containing inode IDs) to their sockets.
 	// It is not stored during save because the inode ID may change upon restore.
-	keyMap map[device.MultiDeviceKey]unix.BoundEndpoint `state:"nosave"`
+	keyMap map[device.MultiDeviceKey]transport.BoundEndpoint `state:"nosave"`
 
 	// pathMap links the sockets to their paths.
 	// It is filled before saving from the direntMap and is stored upon save.
 	// Upon restore, this map is used to re-populate the keyMap.
-	pathMap map[unix.BoundEndpoint]string
+	pathMap map[transport.BoundEndpoint]string
 }
 
 // add adds the endpoint to the maps.
 // A reference is taken on the dirent argument.
 //
 // Precondition: maps must have been locked with 'lock'.
-func (e *endpointMaps) add(key device.MultiDeviceKey, d *fs.Dirent, ep unix.BoundEndpoint) {
+func (e *endpointMaps) add(key device.MultiDeviceKey, d *fs.Dirent, ep transport.BoundEndpoint) {
 	e.keyMap[key] = ep
 	d.IncRef()
 	e.direntMap[ep] = d
@@ -81,7 +81,7 @@ func (e *endpointMaps) lock() func() {
 // get returns the endpoint mapped to the given key.
 //
 // Precondition: maps must have been locked for reading.
-func (e *endpointMaps) get(key device.MultiDeviceKey) unix.BoundEndpoint {
+func (e *endpointMaps) get(key device.MultiDeviceKey) transport.BoundEndpoint {
 	return e.keyMap[key]
 }
 
@@ -285,9 +285,9 @@ func Root(ctx context.Context, dev string, filesystem fs.Filesystem, superBlockF
 // newEndpointMaps creates a new endpointMaps.
 func newEndpointMaps() *endpointMaps {
 	return &endpointMaps{
-		direntMap: make(map[unix.BoundEndpoint]*fs.Dirent),
-		keyMap:    make(map[device.MultiDeviceKey]unix.BoundEndpoint),
-		pathMap:   make(map[unix.BoundEndpoint]string),
+		direntMap: make(map[transport.BoundEndpoint]*fs.Dirent),
+		keyMap:    make(map[device.MultiDeviceKey]transport.BoundEndpoint),
+		pathMap:   make(map[transport.BoundEndpoint]string),
 	}
 }
 
@@ -341,7 +341,7 @@ func (s *session) fillPathMap() error {
 func (s *session) restoreEndpointMaps(ctx context.Context) error {
 	// When restoring, only need to create the keyMap because the dirent and path
 	// maps got stored through the save.
-	s.endpoints.keyMap = make(map[device.MultiDeviceKey]unix.BoundEndpoint)
+	s.endpoints.keyMap = make(map[device.MultiDeviceKey]transport.BoundEndpoint)
 	if err := s.fillKeyMap(ctx); err != nil {
 		return fmt.Errorf("failed to insert sockets into endpoint map: %v", err)
 	}
@@ -349,6 +349,6 @@ func (s *session) restoreEndpointMaps(ctx context.Context) error {
 	// Re-create pathMap because it can no longer be trusted as socket paths can
 	// change while process continues to run. Empty pathMap will be re-filled upon
 	// next save.
-	s.endpoints.pathMap = make(map[unix.BoundEndpoint]string)
+	s.endpoints.pathMap = make(map[transport.BoundEndpoint]string)
 	return nil
 }
diff --git a/pkg/sentry/fs/gofer/socket.go b/pkg/sentry/fs/gofer/socket.go
index 0190bc006..d072da624 100644
--- a/pkg/sentry/fs/gofer/socket.go
+++ b/pkg/sentry/fs/gofer/socket.go
@@ -19,13 +19,13 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/p9"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/host"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/tcpip"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
-// BoundEndpoint returns a gofer-backed unix.BoundEndpoint.
-func (i *inodeOperations) BoundEndpoint(inode *fs.Inode, path string) unix.BoundEndpoint {
+// BoundEndpoint returns a gofer-backed transport.BoundEndpoint.
+func (i *inodeOperations) BoundEndpoint(inode *fs.Inode, path string) transport.BoundEndpoint {
 	if !fs.IsSocket(i.fileState.sattr) {
 		return nil
 	}
@@ -45,7 +45,7 @@ func (i *inodeOperations) BoundEndpoint(inode *fs.Inode, path string) unix.Bound
 	return &endpoint{inode, i.fileState.file.file, path}
 }
 
-// endpoint is a Gofer-backed unix.BoundEndpoint.
+// endpoint is a Gofer-backed transport.BoundEndpoint.
 //
 // An endpoint's lifetime is the time between when InodeOperations.BoundEndpoint()
 // is called and either BoundEndpoint.BidirectionalConnect or
@@ -61,20 +61,20 @@ type endpoint struct {
 	path string
 }
 
-func unixSockToP9(t unix.SockType) (p9.ConnectFlags, bool) {
+func unixSockToP9(t transport.SockType) (p9.ConnectFlags, bool) {
 	switch t {
-	case unix.SockStream:
+	case transport.SockStream:
 		return p9.StreamSocket, true
-	case unix.SockSeqpacket:
+	case transport.SockSeqpacket:
 		return p9.SeqpacketSocket, true
-	case unix.SockDgram:
+	case transport.SockDgram:
 		return p9.DgramSocket, true
 	}
 	return 0, false
 }
 
 // BidirectionalConnect implements ConnectableEndpoint.BidirectionalConnect.
-func (e *endpoint) BidirectionalConnect(ce unix.ConnectingEndpoint, returnConnect func(unix.Receiver, unix.ConnectedEndpoint)) *tcpip.Error {
+func (e *endpoint) BidirectionalConnect(ce transport.ConnectingEndpoint, returnConnect func(transport.Receiver, transport.ConnectedEndpoint)) *tcpip.Error {
 	cf, ok := unixSockToP9(ce.Type())
 	if !ok {
 		return tcpip.ErrConnectionRefused
@@ -113,8 +113,9 @@ func (e *endpoint) BidirectionalConnect(ce unix.ConnectingEndpoint, returnConnec
 	return nil
 }
 
-// UnidirectionalConnect implements unix.BoundEndpoint.UnidirectionalConnect.
-func (e *endpoint) UnidirectionalConnect() (unix.ConnectedEndpoint, *tcpip.Error) {
+// UnidirectionalConnect implements
+// transport.BoundEndpoint.UnidirectionalConnect.
+func (e *endpoint) UnidirectionalConnect() (transport.ConnectedEndpoint, *tcpip.Error) {
 	hostFile, err := e.file.Connect(p9.DgramSocket)
 	if err != nil {
 		return nil, tcpip.ErrConnectionRefused
@@ -134,7 +135,7 @@ func (e *endpoint) UnidirectionalConnect() (unix.ConnectedEndpoint, *tcpip.Error
 	return c, nil
 }
 
-// Release implements unix.BoundEndpoint.Release.
+// Release implements transport.BoundEndpoint.Release.
 func (e *endpoint) Release() {
 	e.inode.DecRef()
 }
diff --git a/pkg/sentry/fs/host/BUILD b/pkg/sentry/fs/host/BUILD
index 5ada32ee1..4f264a024 100644
--- a/pkg/sentry/fs/host/BUILD
+++ b/pkg/sentry/fs/host/BUILD
@@ -42,13 +42,13 @@ go_library(
         "//pkg/sentry/safemem",
         "//pkg/sentry/socket/control",
         "//pkg/sentry/socket/unix",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/uniqueid",
         "//pkg/sentry/usermem",
         "//pkg/syserr",
         "//pkg/syserror",
         "//pkg/tcpip",
         "//pkg/tcpip/link/rawfile",
-        "//pkg/tcpip/transport/unix",
         "//pkg/unet",
         "//pkg/waiter",
         "//pkg/waiter/fdnotifier",
@@ -72,10 +72,10 @@ go_test(
         "//pkg/sentry/context/contexttest",
         "//pkg/sentry/fs",
         "//pkg/sentry/socket",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usermem",
         "//pkg/syserr",
         "//pkg/tcpip",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
         "//pkg/waiter/fdnotifier",
     ],
diff --git a/pkg/sentry/fs/host/control.go b/pkg/sentry/fs/host/control.go
index d2b007ab2..d2e34a69d 100644
--- a/pkg/sentry/fs/host/control.go
+++ b/pkg/sentry/fs/host/control.go
@@ -20,7 +20,7 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/control"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 )
 
 type scmRights struct {
@@ -45,13 +45,13 @@ func (c *scmRights) Files(ctx context.Context, max int) control.RightsFiles {
 	return rf
 }
 
-// Clone implements unix.RightsControlMessage.Clone.
-func (c *scmRights) Clone() unix.RightsControlMessage {
+// Clone implements transport.RightsControlMessage.Clone.
+func (c *scmRights) Clone() transport.RightsControlMessage {
 	// Host rights never need to be cloned.
 	return nil
 }
 
-// Release implements unix.RightsControlMessage.Release.
+// Release implements transport.RightsControlMessage.Release.
 func (c *scmRights) Release() {
 	for _, fd := range c.fds {
 		syscall.Close(fd)
diff --git a/pkg/sentry/fs/host/inode.go b/pkg/sentry/fs/host/inode.go
index c2e8ba62f..e32497203 100644
--- a/pkg/sentry/fs/host/inode.go
+++ b/pkg/sentry/fs/host/inode.go
@@ -27,8 +27,8 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/safemem"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
@@ -310,12 +310,12 @@ func (i *inodeOperations) Rename(ctx context.Context, oldParent *fs.Inode, oldNa
 }
 
 // Bind implements fs.InodeOperations.Bind.
-func (i *inodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, data unix.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
+func (i *inodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, data transport.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
 	return nil, syserror.EOPNOTSUPP
 }
 
 // BoundEndpoint implements fs.InodeOperations.BoundEndpoint.
-func (i *inodeOperations) BoundEndpoint(inode *fs.Inode, path string) unix.BoundEndpoint {
+func (i *inodeOperations) BoundEndpoint(inode *fs.Inode, path string) transport.BoundEndpoint {
 	return nil
 }
 
diff --git a/pkg/sentry/fs/host/socket.go b/pkg/sentry/fs/host/socket.go
index e454b6fe5..0eb267c00 100644
--- a/pkg/sentry/fs/host/socket.go
+++ b/pkg/sentry/fs/host/socket.go
@@ -25,12 +25,12 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/control"
 	unixsocket "gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/uniqueid"
 	"gvisor.googlesource.com/gvisor/pkg/syserr"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
 	"gvisor.googlesource.com/gvisor/pkg/tcpip"
 	"gvisor.googlesource.com/gvisor/pkg/tcpip/link/rawfile"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/unet"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 	"gvisor.googlesource.com/gvisor/pkg/waiter/fdnotifier"
@@ -42,7 +42,7 @@ import (
 const maxSendBufferSize = 8 << 20
 
 // ConnectedEndpoint is a host FD backed implementation of
-// unix.ConnectedEndpoint and unix.Receiver.
+// transport.ConnectedEndpoint and transport.Receiver.
 //
 // +stateify savable
 type ConnectedEndpoint struct {
@@ -70,7 +70,7 @@ type ConnectedEndpoint struct {
 	srfd int `state:"wait"`
 
 	// stype is the type of Unix socket.
-	stype unix.SockType
+	stype transport.SockType
 
 	// sndbuf is the size of the send buffer.
 	//
@@ -112,7 +112,7 @@ func (c *ConnectedEndpoint) init() *tcpip.Error {
 		return tcpip.ErrInvalidEndpointState
 	}
 
-	c.stype = unix.SockType(stype)
+	c.stype = transport.SockType(stype)
 	c.sndbuf = sndbuf
 
 	return nil
@@ -122,8 +122,8 @@ func (c *ConnectedEndpoint) init() *tcpip.Error {
 // that will pretend to be bound at a given sentry path.
 //
 // The caller is responsible for calling Init(). Additionaly, Release needs to
-// be called twice because ConnectedEndpoint is both a unix.Receiver and
-// unix.ConnectedEndpoint.
+// be called twice because ConnectedEndpoint is both a transport.Receiver and
+// transport.ConnectedEndpoint.
 func NewConnectedEndpoint(file *fd.FD, queue *waiter.Queue, path string) (*ConnectedEndpoint, *tcpip.Error) {
 	e := ConnectedEndpoint{
 		path:  path,
@@ -168,7 +168,7 @@ func NewSocketWithDirent(ctx context.Context, d *fs.Dirent, f *fd.FD, flags fs.F
 
 	e.Init()
 
-	ep := unix.NewExternal(e.stype, uniqueid.GlobalProviderFromContext(ctx), &q, e, e)
+	ep := transport.NewExternal(e.stype, uniqueid.GlobalProviderFromContext(ctx), &q, e, e)
 
 	return unixsocket.NewWithDirent(ctx, d, ep, flags), nil
 }
@@ -200,13 +200,13 @@ func newSocket(ctx context.Context, orgfd int, saveable bool) (*fs.File, error)
 	e.srfd = srfd
 	e.Init()
 
-	ep := unix.NewExternal(e.stype, uniqueid.GlobalProviderFromContext(ctx), &q, e, e)
+	ep := transport.NewExternal(e.stype, uniqueid.GlobalProviderFromContext(ctx), &q, e, e)
 
 	return unixsocket.New(ctx, ep), nil
 }
 
-// Send implements unix.ConnectedEndpoint.Send.
-func (c *ConnectedEndpoint) Send(data [][]byte, controlMessages unix.ControlMessages, from tcpip.FullAddress) (uintptr, bool, *tcpip.Error) {
+// Send implements transport.ConnectedEndpoint.Send.
+func (c *ConnectedEndpoint) Send(data [][]byte, controlMessages transport.ControlMessages, from tcpip.FullAddress) (uintptr, bool, *tcpip.Error) {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
 	if c.writeClosed {
@@ -219,7 +219,7 @@ func (c *ConnectedEndpoint) Send(data [][]byte, controlMessages unix.ControlMess
 
 	// Since stream sockets don't preserve message boundaries, we can write
 	// only as much of the message as fits in the send buffer.
-	truncate := c.stype == unix.SockStream
+	truncate := c.stype == transport.SockStream
 
 	n, totalLen, err := fdWriteVec(c.file.FD(), data, c.sndbuf, truncate)
 	if n < totalLen && err == nil {
@@ -239,20 +239,20 @@ func (c *ConnectedEndpoint) Send(data [][]byte, controlMessages unix.ControlMess
 	return n, false, translateError(err)
 }
 
-// SendNotify implements unix.ConnectedEndpoint.SendNotify.
+// SendNotify implements transport.ConnectedEndpoint.SendNotify.
 func (c *ConnectedEndpoint) SendNotify() {}
 
-// CloseSend implements unix.ConnectedEndpoint.CloseSend.
+// CloseSend implements transport.ConnectedEndpoint.CloseSend.
 func (c *ConnectedEndpoint) CloseSend() {
 	c.mu.Lock()
 	c.writeClosed = true
 	c.mu.Unlock()
 }
 
-// CloseNotify implements unix.ConnectedEndpoint.CloseNotify.
+// CloseNotify implements transport.ConnectedEndpoint.CloseNotify.
 func (c *ConnectedEndpoint) CloseNotify() {}
 
-// Writable implements unix.ConnectedEndpoint.Writable.
+// Writable implements transport.ConnectedEndpoint.Writable.
 func (c *ConnectedEndpoint) Writable() bool {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
@@ -262,18 +262,18 @@ func (c *ConnectedEndpoint) Writable() bool {
 	return fdnotifier.NonBlockingPoll(int32(c.file.FD()), waiter.EventOut)&waiter.EventOut != 0
 }
 
-// Passcred implements unix.ConnectedEndpoint.Passcred.
+// Passcred implements transport.ConnectedEndpoint.Passcred.
 func (c *ConnectedEndpoint) Passcred() bool {
 	// We don't support credential passing for host sockets.
 	return false
 }
 
-// GetLocalAddress implements unix.ConnectedEndpoint.GetLocalAddress.
+// GetLocalAddress implements transport.ConnectedEndpoint.GetLocalAddress.
 func (c *ConnectedEndpoint) GetLocalAddress() (tcpip.FullAddress, *tcpip.Error) {
 	return tcpip.FullAddress{Addr: tcpip.Address(c.path)}, nil
 }
 
-// EventUpdate implements unix.ConnectedEndpoint.EventUpdate.
+// EventUpdate implements transport.ConnectedEndpoint.EventUpdate.
 func (c *ConnectedEndpoint) EventUpdate() {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
@@ -282,12 +282,12 @@ func (c *ConnectedEndpoint) EventUpdate() {
 	}
 }
 
-// Recv implements unix.Receiver.Recv.
-func (c *ConnectedEndpoint) Recv(data [][]byte, creds bool, numRights uintptr, peek bool) (uintptr, uintptr, unix.ControlMessages, tcpip.FullAddress, bool, *tcpip.Error) {
+// Recv implements transport.Receiver.Recv.
+func (c *ConnectedEndpoint) Recv(data [][]byte, creds bool, numRights uintptr, peek bool) (uintptr, uintptr, transport.ControlMessages, tcpip.FullAddress, bool, *tcpip.Error) {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
 	if c.readClosed {
-		return 0, 0, unix.ControlMessages{}, tcpip.FullAddress{}, false, tcpip.ErrClosedForReceive
+		return 0, 0, transport.ControlMessages{}, tcpip.FullAddress{}, false, tcpip.ErrClosedForReceive
 	}
 
 	var cm unet.ControlMessage
@@ -305,7 +305,7 @@ func (c *ConnectedEndpoint) Recv(data [][]byte, creds bool, numRights uintptr, p
 		err = nil
 	}
 	if err != nil {
-		return 0, 0, unix.ControlMessages{}, tcpip.FullAddress{}, false, translateError(err)
+		return 0, 0, transport.ControlMessages{}, tcpip.FullAddress{}, false, translateError(err)
 	}
 
 	// There is no need for the callee to call RecvNotify because fdReadVec uses
@@ -318,16 +318,16 @@ func (c *ConnectedEndpoint) Recv(data [][]byte, creds bool, numRights uintptr, p
 
 	// Avoid extra allocations in the case where there isn't any control data.
 	if len(cm) == 0 {
-		return rl, ml, unix.ControlMessages{}, tcpip.FullAddress{Addr: tcpip.Address(c.path)}, false, nil
+		return rl, ml, transport.ControlMessages{}, tcpip.FullAddress{Addr: tcpip.Address(c.path)}, false, nil
 	}
 
 	fds, err := cm.ExtractFDs()
 	if err != nil {
-		return 0, 0, unix.ControlMessages{}, tcpip.FullAddress{}, false, translateError(err)
+		return 0, 0, transport.ControlMessages{}, tcpip.FullAddress{}, false, translateError(err)
 	}
 
 	if len(fds) == 0 {
-		return rl, ml, unix.ControlMessages{}, tcpip.FullAddress{Addr: tcpip.Address(c.path)}, false, nil
+		return rl, ml, transport.ControlMessages{}, tcpip.FullAddress{Addr: tcpip.Address(c.path)}, false, nil
 	}
 	return rl, ml, control.New(nil, nil, newSCMRights(fds)), tcpip.FullAddress{Addr: tcpip.Address(c.path)}, false, nil
 }
@@ -339,17 +339,17 @@ func (c *ConnectedEndpoint) close() {
 	c.file = nil
 }
 
-// RecvNotify implements unix.Receiver.RecvNotify.
+// RecvNotify implements transport.Receiver.RecvNotify.
 func (c *ConnectedEndpoint) RecvNotify() {}
 
-// CloseRecv implements unix.Receiver.CloseRecv.
+// CloseRecv implements transport.Receiver.CloseRecv.
 func (c *ConnectedEndpoint) CloseRecv() {
 	c.mu.Lock()
 	c.readClosed = true
 	c.mu.Unlock()
 }
 
-// Readable implements unix.Receiver.Readable.
+// Readable implements transport.Receiver.Readable.
 func (c *ConnectedEndpoint) Readable() bool {
 	c.mu.RLock()
 	defer c.mu.RUnlock()
@@ -359,33 +359,33 @@ func (c *ConnectedEndpoint) Readable() bool {
 	return fdnotifier.NonBlockingPoll(int32(c.file.FD()), waiter.EventIn)&waiter.EventIn != 0
 }
 
-// SendQueuedSize implements unix.Receiver.SendQueuedSize.
+// SendQueuedSize implements transport.Receiver.SendQueuedSize.
 func (c *ConnectedEndpoint) SendQueuedSize() int64 {
 	// SendQueuedSize isn't supported for host sockets because we don't allow the
 	// sentry to call ioctl(2).
 	return -1
 }
 
-// RecvQueuedSize implements unix.Receiver.RecvQueuedSize.
+// RecvQueuedSize implements transport.Receiver.RecvQueuedSize.
 func (c *ConnectedEndpoint) RecvQueuedSize() int64 {
 	// RecvQueuedSize isn't supported for host sockets because we don't allow the
 	// sentry to call ioctl(2).
 	return -1
 }
 
-// SendMaxQueueSize implements unix.Receiver.SendMaxQueueSize.
+// SendMaxQueueSize implements transport.Receiver.SendMaxQueueSize.
 func (c *ConnectedEndpoint) SendMaxQueueSize() int64 {
 	return int64(c.sndbuf)
 }
 
-// RecvMaxQueueSize implements unix.Receiver.RecvMaxQueueSize.
+// RecvMaxQueueSize implements transport.Receiver.RecvMaxQueueSize.
 func (c *ConnectedEndpoint) RecvMaxQueueSize() int64 {
 	// N.B. Unix sockets don't use the receive buffer. We'll claim it is
 	// the same size as the send buffer.
 	return int64(c.sndbuf)
 }
 
-// Release implements unix.ConnectedEndpoint.Release and unix.Receiver.Release.
+// Release implements transport.ConnectedEndpoint.Release and transport.Receiver.Release.
 func (c *ConnectedEndpoint) Release() {
 	c.ref.DecRefWithDestructor(c.close)
 }
diff --git a/pkg/sentry/fs/host/socket_test.go b/pkg/sentry/fs/host/socket_test.go
index 8b752737d..1c6f9ddb1 100644
--- a/pkg/sentry/fs/host/socket_test.go
+++ b/pkg/sentry/fs/host/socket_test.go
@@ -22,20 +22,20 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/fd"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context/contexttest"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/socket"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserr"
 	"gvisor.googlesource.com/gvisor/pkg/tcpip"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 	"gvisor.googlesource.com/gvisor/pkg/waiter/fdnotifier"
 )
 
 var (
-	// Make sure that ConnectedEndpoint implements unix.ConnectedEndpoint.
-	_ = unix.ConnectedEndpoint(new(ConnectedEndpoint))
+	// Make sure that ConnectedEndpoint implements transport.ConnectedEndpoint.
+	_ = transport.ConnectedEndpoint(new(ConnectedEndpoint))
 
-	// Make sure that ConnectedEndpoint implements unix.Receiver.
-	_ = unix.Receiver(new(ConnectedEndpoint))
+	// Make sure that ConnectedEndpoint implements transport.Receiver.
+	_ = transport.Receiver(new(ConnectedEndpoint))
 )
 
 func getFl(fd int) (uint32, error) {
@@ -199,7 +199,7 @@ func TestListen(t *testing.T) {
 
 func TestSend(t *testing.T) {
 	e := ConnectedEndpoint{writeClosed: true}
-	if _, _, err := e.Send(nil, unix.ControlMessages{}, tcpip.FullAddress{}); err != tcpip.ErrClosedForSend {
+	if _, _, err := e.Send(nil, transport.ControlMessages{}, tcpip.FullAddress{}); err != tcpip.ErrClosedForSend {
 		t.Errorf("Got %#v.Send() = %v, want = %v", e, err, tcpip.ErrClosedForSend)
 	}
 }
diff --git a/pkg/sentry/fs/inode.go b/pkg/sentry/fs/inode.go
index db7240dca..409c81a97 100644
--- a/pkg/sentry/fs/inode.go
+++ b/pkg/sentry/fs/inode.go
@@ -22,8 +22,8 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/lock"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel/auth"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 // Inode is a file system object that can be simultaneously referenced by different
@@ -223,7 +223,7 @@ func (i *Inode) Rename(ctx context.Context, oldParent *Dirent, renamed *Dirent,
 }
 
 // Bind calls i.InodeOperations.Bind with i as the directory.
-func (i *Inode) Bind(ctx context.Context, name string, data unix.BoundEndpoint, perm FilePermissions) (*Dirent, error) {
+func (i *Inode) Bind(ctx context.Context, name string, data transport.BoundEndpoint, perm FilePermissions) (*Dirent, error) {
 	if i.overlay != nil {
 		return overlayBind(ctx, i.overlay, name, data, perm)
 	}
@@ -231,7 +231,7 @@ func (i *Inode) Bind(ctx context.Context, name string, data unix.BoundEndpoint,
 }
 
 // BoundEndpoint calls i.InodeOperations.BoundEndpoint with i as the Inode.
-func (i *Inode) BoundEndpoint(path string) unix.BoundEndpoint {
+func (i *Inode) BoundEndpoint(path string) transport.BoundEndpoint {
 	if i.overlay != nil {
 		return overlayBoundEndpoint(i.overlay, path)
 	}
diff --git a/pkg/sentry/fs/inode_operations.go b/pkg/sentry/fs/inode_operations.go
index 952f9704d..3ee3de10e 100644
--- a/pkg/sentry/fs/inode_operations.go
+++ b/pkg/sentry/fs/inode_operations.go
@@ -20,8 +20,8 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	ktime "gvisor.googlesource.com/gvisor/pkg/sentry/kernel/time"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
@@ -146,7 +146,7 @@ type InodeOperations interface {
 	// Implementations must ensure that name does not already exist.
 	//
 	// The caller must ensure that this operation is permitted.
-	Bind(ctx context.Context, dir *Inode, name string, data unix.BoundEndpoint, perm FilePermissions) (*Dirent, error)
+	Bind(ctx context.Context, dir *Inode, name string, data transport.BoundEndpoint, perm FilePermissions) (*Dirent, error)
 
 	// BoundEndpoint returns the socket endpoint at path stored in
 	// or generated by an Inode.
@@ -160,7 +160,7 @@ type InodeOperations interface {
 	// generally implies that this Inode was created via CreateSocket.
 	//
 	// If there is no socket endpoint available, nil will be returned.
-	BoundEndpoint(inode *Inode, path string) unix.BoundEndpoint
+	BoundEndpoint(inode *Inode, path string) transport.BoundEndpoint
 
 	// GetFile returns a new open File backed by a Dirent and FileFlags.
 	// It may block as long as it is done with ctx.
diff --git a/pkg/sentry/fs/inode_overlay.go b/pkg/sentry/fs/inode_overlay.go
index e18e095a0..cf698a4da 100644
--- a/pkg/sentry/fs/inode_overlay.go
+++ b/pkg/sentry/fs/inode_overlay.go
@@ -20,8 +20,8 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/abi/linux"
 	"gvisor.googlesource.com/gvisor/pkg/log"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 func overlayHasWhiteout(parent *Inode, name string) bool {
@@ -356,7 +356,7 @@ func overlayRename(ctx context.Context, o *overlayEntry, oldParent *Dirent, rena
 	return nil
 }
 
-func overlayBind(ctx context.Context, o *overlayEntry, name string, data unix.BoundEndpoint, perm FilePermissions) (*Dirent, error) {
+func overlayBind(ctx context.Context, o *overlayEntry, name string, data transport.BoundEndpoint, perm FilePermissions) (*Dirent, error) {
 	o.copyMu.RLock()
 	defer o.copyMu.RUnlock()
 	// We do not support doing anything exciting with sockets unless there
@@ -383,7 +383,7 @@ func overlayBind(ctx context.Context, o *overlayEntry, name string, data unix.Bo
 	return NewDirent(newOverlayInode(ctx, entry, inode.MountSource), name), nil
 }
 
-func overlayBoundEndpoint(o *overlayEntry, path string) unix.BoundEndpoint {
+func overlayBoundEndpoint(o *overlayEntry, path string) transport.BoundEndpoint {
 	o.copyMu.RLock()
 	defer o.copyMu.RUnlock()
 
diff --git a/pkg/sentry/fs/ramfs/BUILD b/pkg/sentry/fs/ramfs/BUILD
index 5230157fe..a93ad6240 100644
--- a/pkg/sentry/fs/ramfs/BUILD
+++ b/pkg/sentry/fs/ramfs/BUILD
@@ -23,9 +23,9 @@ go_library(
         "//pkg/sentry/kernel/time",
         "//pkg/sentry/memmap",
         "//pkg/sentry/safemem",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usermem",
         "//pkg/syserror",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
     ],
 )
diff --git a/pkg/sentry/fs/ramfs/dir.go b/pkg/sentry/fs/ramfs/dir.go
index d8333194b..075e13b01 100644
--- a/pkg/sentry/fs/ramfs/dir.go
+++ b/pkg/sentry/fs/ramfs/dir.go
@@ -20,9 +20,9 @@ import (
 
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 // CreateOps represents operations to create different file types.
@@ -37,7 +37,7 @@ type CreateOps struct {
 	NewSymlink func(ctx context.Context, dir *fs.Inode, target string) (*fs.Inode, error)
 
 	// NewBoundEndpoint creates a new socket.
-	NewBoundEndpoint func(ctx context.Context, dir *fs.Inode, ep unix.BoundEndpoint, perms fs.FilePermissions) (*fs.Inode, error)
+	NewBoundEndpoint func(ctx context.Context, dir *fs.Inode, ep transport.BoundEndpoint, perms fs.FilePermissions) (*fs.Inode, error)
 
 	// NewFifo creates a new fifo.
 	NewFifo func(ctx context.Context, dir *fs.Inode, perm fs.FilePermissions) (*fs.Inode, error)
@@ -314,7 +314,7 @@ func (d *Dir) CreateDirectory(ctx context.Context, dir *fs.Inode, name string, p
 }
 
 // Bind implements fs.InodeOperations.Bind.
-func (d *Dir) Bind(ctx context.Context, dir *fs.Inode, name string, ep unix.BoundEndpoint, perms fs.FilePermissions) (*fs.Dirent, error) {
+func (d *Dir) Bind(ctx context.Context, dir *fs.Inode, name string, ep transport.BoundEndpoint, perms fs.FilePermissions) (*fs.Dirent, error) {
 	if d.CreateOps == nil || d.CreateOps.NewBoundEndpoint == nil {
 		return nil, ErrDenied
 	}
diff --git a/pkg/sentry/fs/ramfs/ramfs.go b/pkg/sentry/fs/ramfs/ramfs.go
index 1028b5f1d..83cbcab23 100644
--- a/pkg/sentry/fs/ramfs/ramfs.go
+++ b/pkg/sentry/fs/ramfs/ramfs.go
@@ -26,9 +26,9 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil"
 	ktime "gvisor.googlesource.com/gvisor/pkg/sentry/kernel/time"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/memmap"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
@@ -279,7 +279,7 @@ func (*Entry) CreateDirectory(context.Context, *fs.Inode, string, fs.FilePermiss
 }
 
 // Bind is not supported by default.
-func (*Entry) Bind(context.Context, *fs.Inode, string, unix.BoundEndpoint, fs.FilePermissions) (*fs.Dirent, error) {
+func (*Entry) Bind(context.Context, *fs.Inode, string, transport.BoundEndpoint, fs.FilePermissions) (*fs.Dirent, error) {
 	return nil, ErrInvalidOp
 }
 
diff --git a/pkg/sentry/fs/ramfs/socket.go b/pkg/sentry/fs/ramfs/socket.go
index 93427a1ff..9ac00eb18 100644
--- a/pkg/sentry/fs/ramfs/socket.go
+++ b/pkg/sentry/fs/ramfs/socket.go
@@ -17,7 +17,7 @@ package ramfs
 import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/context"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 )
 
 // Socket represents a socket.
@@ -27,17 +27,17 @@ type Socket struct {
 	Entry
 
 	// ep is the bound endpoint.
-	ep unix.BoundEndpoint
+	ep transport.BoundEndpoint
 }
 
 // InitSocket initializes a socket.
-func (s *Socket) InitSocket(ctx context.Context, ep unix.BoundEndpoint, owner fs.FileOwner, perms fs.FilePermissions) {
+func (s *Socket) InitSocket(ctx context.Context, ep transport.BoundEndpoint, owner fs.FileOwner, perms fs.FilePermissions) {
 	s.InitEntry(ctx, owner, perms)
 	s.ep = ep
 }
 
 // BoundEndpoint returns the socket data.
-func (s *Socket) BoundEndpoint(*fs.Inode, string) unix.BoundEndpoint {
+func (s *Socket) BoundEndpoint(*fs.Inode, string) transport.BoundEndpoint {
 	// ramfs only supports stored sentry internal sockets. Only gofer sockets
 	// care about the path argument.
 	return s.ep
diff --git a/pkg/sentry/fs/tmpfs/BUILD b/pkg/sentry/fs/tmpfs/BUILD
index cfe11ab02..277583113 100644
--- a/pkg/sentry/fs/tmpfs/BUILD
+++ b/pkg/sentry/fs/tmpfs/BUILD
@@ -25,9 +25,9 @@ go_library(
         "//pkg/sentry/memmap",
         "//pkg/sentry/platform",
         "//pkg/sentry/safemem",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usage",
         "//pkg/sentry/usermem",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
     ],
 )
diff --git a/pkg/sentry/fs/tmpfs/tmpfs.go b/pkg/sentry/fs/tmpfs/tmpfs.go
index 10cb5451d..38be6db46 100644
--- a/pkg/sentry/fs/tmpfs/tmpfs.go
+++ b/pkg/sentry/fs/tmpfs/tmpfs.go
@@ -22,9 +22,9 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/ramfs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel/pipe"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/platform"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usage"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 )
 
 var fsInfo = fs.Info{
@@ -104,7 +104,7 @@ func (d *Dir) newCreateOps() *ramfs.CreateOps {
 		NewSymlink: func(ctx context.Context, dir *fs.Inode, target string) (*fs.Inode, error) {
 			return NewSymlink(ctx, target, fs.FileOwnerFromContext(ctx), dir.MountSource), nil
 		},
-		NewBoundEndpoint: func(ctx context.Context, dir *fs.Inode, socket unix.BoundEndpoint, perms fs.FilePermissions) (*fs.Inode, error) {
+		NewBoundEndpoint: func(ctx context.Context, dir *fs.Inode, socket transport.BoundEndpoint, perms fs.FilePermissions) (*fs.Inode, error) {
 			return NewSocket(ctx, socket, fs.FileOwnerFromContext(ctx), perms, dir.MountSource), nil
 		},
 		NewFifo: func(ctx context.Context, dir *fs.Inode, perms fs.FilePermissions) (*fs.Inode, error) {
@@ -160,7 +160,7 @@ type Socket struct {
 }
 
 // NewSocket returns a new socket with the provided permissions.
-func NewSocket(ctx context.Context, socket unix.BoundEndpoint, owner fs.FileOwner, perms fs.FilePermissions, msrc *fs.MountSource) *fs.Inode {
+func NewSocket(ctx context.Context, socket transport.BoundEndpoint, owner fs.FileOwner, perms fs.FilePermissions, msrc *fs.MountSource) *fs.Inode {
 	s := &Socket{}
 	s.InitSocket(ctx, socket, owner, perms)
 	return fs.NewInode(s, msrc, fs.StableAttr{
diff --git a/pkg/sentry/fs/tty/BUILD b/pkg/sentry/fs/tty/BUILD
index 3c446eef4..d4dd20e30 100644
--- a/pkg/sentry/fs/tty/BUILD
+++ b/pkg/sentry/fs/tty/BUILD
@@ -26,9 +26,9 @@ go_library(
         "//pkg/sentry/fs/fsutil",
         "//pkg/sentry/kernel/auth",
         "//pkg/sentry/kernel/time",
+        "//pkg/sentry/socket/unix/transport",
         "//pkg/sentry/usermem",
         "//pkg/syserror",
-        "//pkg/tcpip/transport/unix",
         "//pkg/waiter",
     ],
 )
diff --git a/pkg/sentry/fs/tty/dir.go b/pkg/sentry/fs/tty/dir.go
index c6f39fce3..7c0c0b0c1 100644
--- a/pkg/sentry/fs/tty/dir.go
+++ b/pkg/sentry/fs/tty/dir.go
@@ -26,9 +26,9 @@ import (
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/fs/fsutil"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/kernel/auth"
+	"gvisor.googlesource.com/gvisor/pkg/sentry/socket/unix/transport"
 	"gvisor.googlesource.com/gvisor/pkg/sentry/usermem"
 	"gvisor.googlesource.com/gvisor/pkg/syserror"
-	"gvisor.googlesource.com/gvisor/pkg/tcpip/transport/unix"
 	"gvisor.googlesource.com/gvisor/pkg/waiter"
 )
 
@@ -215,7 +215,7 @@ func (d *dirInodeOperations) RemoveDirectory(ctx context.Context, dir *fs.Inode,
 }
 
 // Bind implements fs.InodeOperations.Bind.
-func (d *dirInodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, data unix.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
+func (d *dirInodeOperations) Bind(ctx context.Context, dir *fs.Inode, name string, data transport.BoundEndpoint, perm fs.FilePermissions) (*fs.Dirent, error) {
 	return nil, syserror.EPERM
 }