summaryrefslogtreecommitdiffhomepage
path: root/pkg/tcpip/transport
diff options
context:
space:
mode:
Diffstat (limited to 'pkg/tcpip/transport')
-rw-r--r--pkg/tcpip/transport/ping/endpoint.go29
-rw-r--r--pkg/tcpip/transport/tcp/connect.go2
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go16
-rw-r--r--pkg/tcpip/transport/tcp/tcp_test.go48
-rw-r--r--pkg/tcpip/transport/tcp/tcp_timestamp_test.go4
-rw-r--r--pkg/tcpip/transport/udp/endpoint.go31
-rw-r--r--pkg/tcpip/transport/udp/udp_test.go18
7 files changed, 71 insertions, 77 deletions
diff --git a/pkg/tcpip/transport/ping/endpoint.go b/pkg/tcpip/transport/ping/endpoint.go
index fcfb96624..055daa918 100644
--- a/pkg/tcpip/transport/ping/endpoint.go
+++ b/pkg/tcpip/transport/ping/endpoint.go
@@ -198,10 +198,10 @@ func (e *endpoint) prepareForWrite(to *tcpip.FullAddress) (retry bool, err *tcpi
// Write writes data to the endpoint's peer. This method does not block
// if the data cannot be written.
-func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tcpip.Error) {
+func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, <-chan struct{}, *tcpip.Error) {
// MSG_MORE is unimplemented. (This also means that MSG_EOR is a no-op.)
if opts.More {
- return 0, tcpip.ErrInvalidOptionValue
+ return 0, nil, tcpip.ErrInvalidOptionValue
}
to := opts.To
@@ -211,14 +211,14 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// If we've shutdown with SHUT_WR we are in an invalid state for sending.
if e.shutdownFlags&tcpip.ShutdownWrite != 0 {
- return 0, tcpip.ErrClosedForSend
+ return 0, nil, tcpip.ErrClosedForSend
}
// Prepare for write.
for {
retry, err := e.prepareForWrite(to)
if err != nil {
- return 0, err
+ return 0, nil, err
}
if !retry {
@@ -241,7 +241,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// Recheck state after lock was re-acquired.
if e.state != stateConnected {
- return 0, tcpip.ErrInvalidEndpointState
+ return 0, nil, tcpip.ErrInvalidEndpointState
}
}
} else {
@@ -250,7 +250,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
nicid := to.NIC
if e.bindNICID != 0 {
if nicid != 0 && nicid != e.bindNICID {
- return 0, tcpip.ErrNoRoute
+ return 0, nil, tcpip.ErrNoRoute
}
nicid = e.bindNICID
@@ -260,13 +260,13 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
to = &toCopy
netProto, err := e.checkV4Mapped(to, true)
if err != nil {
- return 0, err
+ return 0, nil, err
}
// Find the enpoint.
r, err := e.stack.FindRoute(nicid, e.bindAddr, to.Addr, netProto)
if err != nil {
- return 0, err
+ return 0, nil, err
}
defer r.Release()
@@ -275,23 +275,20 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
if route.IsResolutionRequired() {
waker := &sleep.Waker{}
- if err := route.Resolve(waker); err != nil {
+ if ch, err := route.Resolve(waker); err != nil {
if err == tcpip.ErrWouldBlock {
// Link address needs to be resolved. Resolution was triggered the
// background. Better luck next time.
- //
- // TODO: queue up the request and send after link address
- // is resolved.
route.RemoveWaker(waker)
- return 0, tcpip.ErrNoLinkAddress
+ return 0, ch, tcpip.ErrNoLinkAddress
}
- return 0, err
+ return 0, nil, err
}
}
v, err := p.Get(p.Size())
if err != nil {
- return 0, err
+ return 0, nil, err
}
switch e.netProto {
@@ -302,7 +299,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
err = sendPing6(route, e.id.LocalPort, v)
}
- return uintptr(len(v)), err
+ return uintptr(len(v)), nil, err
}
// Peek only returns data from a single datagram, so do nothing here.
diff --git a/pkg/tcpip/transport/tcp/connect.go b/pkg/tcpip/transport/tcp/connect.go
index 68c0d4472..27dbcace2 100644
--- a/pkg/tcpip/transport/tcp/connect.go
+++ b/pkg/tcpip/transport/tcp/connect.go
@@ -365,7 +365,7 @@ func (h *handshake) resolveRoute() *tcpip.Error {
for {
switch index {
case wakerForResolution:
- if err := h.ep.route.Resolve(resolutionWaker); err != tcpip.ErrWouldBlock {
+ if _, err := h.ep.route.Resolve(resolutionWaker); err != tcpip.ErrWouldBlock {
// Either success (err == nil) or failure.
return err
}
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index e82e25233..707d6be96 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -492,7 +492,7 @@ func (e *endpoint) readLocked() (buffer.View, *tcpip.Error) {
}
// Write writes data to the endpoint's peer.
-func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tcpip.Error) {
+func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, <-chan struct{}, *tcpip.Error) {
// Linux completely ignores any address passed to sendto(2) for TCP sockets
// (without the MSG_FASTOPEN flag). Corking is unimplemented, so opts.More
// and opts.EndOfRecord are also ignored.
@@ -504,15 +504,15 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
if e.state != stateConnected {
switch e.state {
case stateError:
- return 0, e.hardError
+ return 0, nil, e.hardError
default:
- return 0, tcpip.ErrClosedForSend
+ return 0, nil, tcpip.ErrClosedForSend
}
}
// Nothing to do if the buffer is empty.
if p.Size() == 0 {
- return 0, nil
+ return 0, nil, nil
}
e.sndBufMu.Lock()
@@ -520,20 +520,20 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// Check if the connection has already been closed for sends.
if e.sndClosed {
e.sndBufMu.Unlock()
- return 0, tcpip.ErrClosedForSend
+ return 0, nil, tcpip.ErrClosedForSend
}
// Check against the limit.
avail := e.sndBufSize - e.sndBufUsed
if avail <= 0 {
e.sndBufMu.Unlock()
- return 0, tcpip.ErrWouldBlock
+ return 0, nil, tcpip.ErrWouldBlock
}
v, perr := p.Get(avail)
if perr != nil {
e.sndBufMu.Unlock()
- return 0, perr
+ return 0, nil, perr
}
var err *tcpip.Error
@@ -558,7 +558,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// Let the protocol goroutine do the work.
e.sndWaker.Assert()
}
- return uintptr(l), err
+ return uintptr(l), nil, err
}
// Peek reads data without consuming it from the endpoint.
diff --git a/pkg/tcpip/transport/tcp/tcp_test.go b/pkg/tcpip/transport/tcp/tcp_test.go
index ac21e565b..48852ea47 100644
--- a/pkg/tcpip/transport/tcp/tcp_test.go
+++ b/pkg/tcpip/transport/tcp/tcp_test.go
@@ -869,7 +869,7 @@ func TestSimpleSend(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -910,7 +910,7 @@ func TestZeroWindowSend(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{})
+ _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{})
if err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -971,7 +971,7 @@ func TestScaledWindowConnect(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1004,7 +1004,7 @@ func TestNonScaledWindowConnect(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1077,7 +1077,7 @@ func TestScaledWindowAccept(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1150,7 +1150,7 @@ func TestNonScaledWindowAccept(t *testing.T) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1265,7 +1265,7 @@ func testBrokenUpWrite(t *testing.T, c *context.Context, maxPayload int) {
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1653,7 +1653,7 @@ func TestSendOnResetConnection(t *testing.T) {
// Try to write.
view := buffer.NewView(10)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != tcpip.ErrConnectionReset {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != tcpip.ErrConnectionReset {
t.Fatalf("got c.EP.Write(...) = %v, want = %v", err, tcpip.ErrConnectionReset)
}
}
@@ -1763,7 +1763,7 @@ func TestFinWithNoPendingData(t *testing.T) {
// Write something out, and have it acknowledged.
view := buffer.NewView(10)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1836,7 +1836,7 @@ func TestFinWithPendingDataCwndFull(t *testing.T) {
// any of them.
view := buffer.NewView(10)
for i := tcp.InitialCwnd; i > 0; i-- {
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
}
@@ -1922,7 +1922,7 @@ func TestFinWithPendingData(t *testing.T) {
// Write something out, and acknowledge it to get cwnd to 2.
view := buffer.NewView(10)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -1948,7 +1948,7 @@ func TestFinWithPendingData(t *testing.T) {
})
// Write new data, but don't acknowledge it.
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2009,7 +2009,7 @@ func TestFinWithPartialAck(t *testing.T) {
// Write something out, and acknowledge it to get cwnd to 2. Also send
// FIN from the test side.
view := buffer.NewView(10)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2046,7 +2046,7 @@ func TestFinWithPartialAck(t *testing.T) {
)
// Write new data, but don't acknowledge it.
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2116,7 +2116,7 @@ func TestExponentialIncreaseDuringSlowStart(t *testing.T) {
// Write all the data in one shot. Packets will only be written at the
// MTU size though.
- if _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2158,7 +2158,7 @@ func TestCongestionAvoidance(t *testing.T) {
// Write all the data in one shot. Packets will only be written at the
// MTU size though.
- if _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2263,7 +2263,7 @@ func TestCubicCongestionAvoidance(t *testing.T) {
// Write all the data in one shot. Packets will only be written at the
// MTU size though.
- if _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2371,7 +2371,7 @@ func TestFastRecovery(t *testing.T) {
// Write all the data in one shot. Packets will only be written at the
// MTU size though.
- if _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2503,11 +2503,11 @@ func TestRetransmit(t *testing.T) {
// Write all the data in two shots. Packets will only be written at the
// MTU size though.
half := data[:len(data)/2]
- if _, err := c.EP.Write(tcpip.SlicePayload(half), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(half), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
half = data[len(data)/2:]
- if _, err := c.EP.Write(tcpip.SlicePayload(half), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(half), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -2605,7 +2605,7 @@ func scaledSendWindow(t *testing.T, scale uint8) {
// Send some data. Check that it's capped by the window size.
view := buffer.NewView(65535)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -3099,7 +3099,7 @@ func TestSelfConnect(t *testing.T) {
data := []byte{1, 2, 3}
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := ep.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := ep.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -3290,7 +3290,7 @@ func TestPathMTUDiscovery(t *testing.T) {
data[i] = byte(i)
}
- if _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(data), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
@@ -3495,7 +3495,7 @@ func TestKeepalive(t *testing.T) {
// Send some data and wait before ACKing it. Keepalives should be disabled
// during this period.
view := buffer.NewView(3)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Write failed: %v", err)
}
diff --git a/pkg/tcpip/transport/tcp/tcp_timestamp_test.go b/pkg/tcpip/transport/tcp/tcp_timestamp_test.go
index 894ead507..ca16fc8fa 100644
--- a/pkg/tcpip/transport/tcp/tcp_timestamp_test.go
+++ b/pkg/tcpip/transport/tcp/tcp_timestamp_test.go
@@ -147,7 +147,7 @@ func timeStampEnabledAccept(t *testing.T, cookieEnabled bool, wndScale int, wndS
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Unexpected error from Write: %v", err)
}
@@ -210,7 +210,7 @@ func timeStampDisabledAccept(t *testing.T, cookieEnabled bool, wndScale int, wnd
view := buffer.NewView(len(data))
copy(view, data)
- if _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
+ if _, _, err := c.EP.Write(tcpip.SlicePayload(view), tcpip.WriteOptions{}); err != nil {
t.Fatalf("Unexpected error from Write: %v", err)
}
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index f2dd98f35..6ed805357 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -258,10 +258,10 @@ func (e *endpoint) prepareForWrite(to *tcpip.FullAddress) (retry bool, err *tcpi
// Write writes data to the endpoint's peer. This method does not block
// if the data cannot be written.
-func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tcpip.Error) {
+func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, <-chan struct{}, *tcpip.Error) {
// MSG_MORE is unimplemented. (This also means that MSG_EOR is a no-op.)
if opts.More {
- return 0, tcpip.ErrInvalidOptionValue
+ return 0, nil, tcpip.ErrInvalidOptionValue
}
to := opts.To
@@ -271,14 +271,14 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// If we've shutdown with SHUT_WR we are in an invalid state for sending.
if e.shutdownFlags&tcpip.ShutdownWrite != 0 {
- return 0, tcpip.ErrClosedForSend
+ return 0, nil, tcpip.ErrClosedForSend
}
// Prepare for write.
for {
retry, err := e.prepareForWrite(to)
if err != nil {
- return 0, err
+ return 0, nil, err
}
if !retry {
@@ -303,7 +303,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
// Recheck state after lock was re-acquired.
if e.state != stateConnected {
- return 0, tcpip.ErrInvalidEndpointState
+ return 0, nil, tcpip.ErrInvalidEndpointState
}
}
} else {
@@ -312,7 +312,7 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
nicid := to.NIC
if e.bindNICID != 0 {
if nicid != 0 && nicid != e.bindNICID {
- return 0, tcpip.ErrNoRoute
+ return 0, nil, tcpip.ErrNoRoute
}
nicid = e.bindNICID
@@ -322,13 +322,13 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
to = &toCopy
netProto, err := e.checkV4Mapped(to, false)
if err != nil {
- return 0, err
+ return 0, nil, err
}
// Find the enpoint.
r, err := e.stack.FindRoute(nicid, e.id.LocalAddress, to.Addr, netProto)
if err != nil {
- return 0, err
+ return 0, nil, err
}
defer r.Release()
@@ -338,23 +338,20 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
if route.IsResolutionRequired() {
waker := &sleep.Waker{}
- if err := route.Resolve(waker); err != nil {
+ if ch, err := route.Resolve(waker); err != nil {
if err == tcpip.ErrWouldBlock {
// Link address needs to be resolved. Resolution was triggered the background.
// Better luck next time.
- //
- // TODO: queue up the request and send after link address
- // is resolved.
route.RemoveWaker(waker)
- return 0, tcpip.ErrNoLinkAddress
+ return 0, ch, tcpip.ErrNoLinkAddress
}
- return 0, err
+ return 0, nil, err
}
}
v, err := p.Get(p.Size())
if err != nil {
- return 0, err
+ return 0, nil, err
}
ttl := route.DefaultTTL()
@@ -363,9 +360,9 @@ func (e *endpoint) Write(p tcpip.Payload, opts tcpip.WriteOptions) (uintptr, *tc
}
if err := sendUDP(route, buffer.View(v).ToVectorisedView(), e.id.LocalPort, dstPort, ttl); err != nil {
- return 0, err
+ return 0, nil, err
}
- return uintptr(len(v)), nil
+ return uintptr(len(v)), nil, nil
}
// Peek only returns data from a single datagram, so do nothing here.
diff --git a/pkg/tcpip/transport/udp/udp_test.go b/pkg/tcpip/transport/udp/udp_test.go
index 46110c8ff..c3f592bd4 100644
--- a/pkg/tcpip/transport/udp/udp_test.go
+++ b/pkg/tcpip/transport/udp/udp_test.go
@@ -482,7 +482,7 @@ func TestV4ReadOnV4(t *testing.T) {
func testV4Write(c *testContext) uint16 {
// Write to V4 mapped address.
payload := buffer.View(newPayload())
- n, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ n, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV4MappedAddr, Port: testPort},
})
if err != nil {
@@ -512,7 +512,7 @@ func testV4Write(c *testContext) uint16 {
func testV6Write(c *testContext) uint16 {
// Write to v6 address.
payload := buffer.View(newPayload())
- n, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ n, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV6Addr, Port: testPort},
})
if err != nil {
@@ -590,7 +590,7 @@ func TestDualWriteConnectedToV6(t *testing.T) {
// Write to V4 mapped address.
payload := buffer.View(newPayload())
- _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ _, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV4MappedAddr, Port: testPort},
})
if err != tcpip.ErrNetworkUnreachable {
@@ -613,7 +613,7 @@ func TestDualWriteConnectedToV4Mapped(t *testing.T) {
// Write to v6 address.
payload := buffer.View(newPayload())
- _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ _, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV6Addr, Port: testPort},
})
if err != tcpip.ErrInvalidEndpointState {
@@ -629,7 +629,7 @@ func TestV4WriteOnV6Only(t *testing.T) {
// Write to V4 mapped address.
payload := buffer.View(newPayload())
- _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ _, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV4MappedAddr, Port: testPort},
})
if err != tcpip.ErrNoRoute {
@@ -650,7 +650,7 @@ func TestV6WriteOnBoundToV4Mapped(t *testing.T) {
// Write to v6 address.
payload := buffer.View(newPayload())
- _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
+ _, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{
To: &tcpip.FullAddress{Addr: testV6Addr, Port: testPort},
})
if err != tcpip.ErrInvalidEndpointState {
@@ -671,7 +671,7 @@ func TestV6WriteOnConnected(t *testing.T) {
// Write without destination.
payload := buffer.View(newPayload())
- n, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{})
+ n, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{})
if err != nil {
c.t.Fatalf("Write failed: %v", err)
}
@@ -707,7 +707,7 @@ func TestV4WriteOnConnected(t *testing.T) {
// Write without destination.
payload := buffer.View(newPayload())
- n, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{})
+ n, _, err := c.ep.Write(tcpip.SlicePayload(payload), tcpip.WriteOptions{})
if err != nil {
c.t.Fatalf("Write failed: %v", err)
}
@@ -856,7 +856,7 @@ func TestTTL(t *testing.T) {
c.t.Fatalf("SetSockOpt failed: %v", err)
}
- n, err := c.ep.Write(payload, tcpip.WriteOptions{To: &tcpip.FullAddress{Addr: addr, Port: port}})
+ n, _, err := c.ep.Write(payload, tcpip.WriteOptions{To: &tcpip.FullAddress{Addr: addr, Port: port}})
if err != nil {
c.t.Fatalf("Write failed: %v", err)
}