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-rw-r--r--pkg/tcpip/transport/icmp/endpoint.go29
-rw-r--r--pkg/tcpip/transport/raw/endpoint.go30
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go144
-rw-r--r--pkg/tcpip/transport/udp/endpoint.go32
4 files changed, 130 insertions, 105 deletions
diff --git a/pkg/tcpip/transport/icmp/endpoint.go b/pkg/tcpip/transport/icmp/endpoint.go
index 3db060384..a111fdb2a 100644
--- a/pkg/tcpip/transport/icmp/endpoint.go
+++ b/pkg/tcpip/transport/icmp/endpoint.go
@@ -319,6 +319,11 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return nil
}
+// SetSockOptInt sets a socket option. Currently not supported.
+func (e *endpoint) SetSockOptInt(opt tcpip.SockOpt, v int) *tcpip.Error {
+ return nil
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (e *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
switch opt {
@@ -331,6 +336,18 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
}
e.rcvMu.Unlock()
return v, nil
+ case tcpip.SendBufferSizeOption:
+ e.mu.Lock()
+ v := e.sndBufSize
+ e.mu.Unlock()
+ return v, nil
+
+ case tcpip.ReceiveBufferSizeOption:
+ e.rcvMu.Lock()
+ v := e.rcvBufSizeMax
+ e.rcvMu.Unlock()
+ return v, nil
+
}
return -1, tcpip.ErrUnknownProtocolOption
}
@@ -341,18 +358,6 @@ func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
case tcpip.ErrorOption:
return nil
- case *tcpip.SendBufferSizeOption:
- e.mu.Lock()
- *o = tcpip.SendBufferSizeOption(e.sndBufSize)
- e.mu.Unlock()
- return nil
-
- case *tcpip.ReceiveBufferSizeOption:
- e.rcvMu.Lock()
- *o = tcpip.ReceiveBufferSizeOption(e.rcvBufSizeMax)
- e.rcvMu.Unlock()
- return nil
-
case *tcpip.KeepaliveEnabledOption:
*o = 0
return nil
diff --git a/pkg/tcpip/transport/raw/endpoint.go b/pkg/tcpip/transport/raw/endpoint.go
index cf1c5c433..a02731a5d 100644
--- a/pkg/tcpip/transport/raw/endpoint.go
+++ b/pkg/tcpip/transport/raw/endpoint.go
@@ -492,6 +492,11 @@ func (ep *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return tcpip.ErrUnknownProtocolOption
}
+// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
+func (ep *endpoint) SetSockOptInt(opt tcpip.SockOpt, v int) *tcpip.Error {
+ return tcpip.ErrUnknownProtocolOption
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (ep *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
switch opt {
@@ -504,6 +509,19 @@ func (ep *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
}
ep.rcvMu.Unlock()
return v, nil
+
+ case tcpip.SendBufferSizeOption:
+ ep.mu.Lock()
+ v := ep.sndBufSize
+ ep.mu.Unlock()
+ return v, nil
+
+ case tcpip.ReceiveBufferSizeOption:
+ ep.rcvMu.Lock()
+ v := ep.rcvBufSizeMax
+ ep.rcvMu.Unlock()
+ return v, nil
+
}
return -1, tcpip.ErrUnknownProtocolOption
@@ -515,18 +533,6 @@ func (ep *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
case tcpip.ErrorOption:
return nil
- case *tcpip.SendBufferSizeOption:
- ep.mu.Lock()
- *o = tcpip.SendBufferSizeOption(ep.sndBufSize)
- ep.mu.Unlock()
- return nil
-
- case *tcpip.ReceiveBufferSizeOption:
- ep.rcvMu.Lock()
- *o = tcpip.ReceiveBufferSizeOption(ep.rcvBufSizeMax)
- ep.rcvMu.Unlock()
- return nil
-
case *tcpip.KeepaliveEnabledOption:
*o = 0
return nil
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index dd931f88c..35b489c68 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -952,62 +952,9 @@ func (e *endpoint) zeroReceiveWindow(scale uint8) bool {
return ((e.rcvBufSize - e.rcvBufUsed) >> scale) == 0
}
-// SetSockOpt sets a socket option.
-func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
- switch v := opt.(type) {
- case tcpip.DelayOption:
- if v == 0 {
- atomic.StoreUint32(&e.delay, 0)
-
- // Handle delayed data.
- e.sndWaker.Assert()
- } else {
- atomic.StoreUint32(&e.delay, 1)
- }
- return nil
-
- case tcpip.CorkOption:
- if v == 0 {
- atomic.StoreUint32(&e.cork, 0)
-
- // Handle the corked data.
- e.sndWaker.Assert()
- } else {
- atomic.StoreUint32(&e.cork, 1)
- }
- return nil
-
- case tcpip.ReuseAddressOption:
- e.mu.Lock()
- e.reuseAddr = v != 0
- e.mu.Unlock()
- return nil
-
- case tcpip.ReusePortOption:
- e.mu.Lock()
- e.reusePort = v != 0
- e.mu.Unlock()
- return nil
-
- case tcpip.QuickAckOption:
- if v == 0 {
- atomic.StoreUint32(&e.slowAck, 1)
- } else {
- atomic.StoreUint32(&e.slowAck, 0)
- }
- return nil
-
- case tcpip.MaxSegOption:
- userMSS := v
- if userMSS < header.TCPMinimumMSS || userMSS > header.TCPMaximumMSS {
- return tcpip.ErrInvalidOptionValue
- }
- e.mu.Lock()
- e.userMSS = int(userMSS)
- e.mu.Unlock()
- e.notifyProtocolGoroutine(notifyMSSChanged)
- return nil
-
+// SetSockOptInt sets a socket option.
+func (e *endpoint) SetSockOptInt(opt tcpip.SockOpt, v int) *tcpip.Error {
+ switch opt {
case tcpip.ReceiveBufferSizeOption:
// Make sure the receive buffer size is within the min and max
// allowed.
@@ -1071,6 +1018,67 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
e.sndBufMu.Unlock()
return nil
+ default:
+ return nil
+ }
+}
+
+// SetSockOpt sets a socket option.
+func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
+ switch v := opt.(type) {
+ case tcpip.DelayOption:
+ if v == 0 {
+ atomic.StoreUint32(&e.delay, 0)
+
+ // Handle delayed data.
+ e.sndWaker.Assert()
+ } else {
+ atomic.StoreUint32(&e.delay, 1)
+ }
+ return nil
+
+ case tcpip.CorkOption:
+ if v == 0 {
+ atomic.StoreUint32(&e.cork, 0)
+
+ // Handle the corked data.
+ e.sndWaker.Assert()
+ } else {
+ atomic.StoreUint32(&e.cork, 1)
+ }
+ return nil
+
+ case tcpip.ReuseAddressOption:
+ e.mu.Lock()
+ e.reuseAddr = v != 0
+ e.mu.Unlock()
+ return nil
+
+ case tcpip.ReusePortOption:
+ e.mu.Lock()
+ e.reusePort = v != 0
+ e.mu.Unlock()
+ return nil
+
+ case tcpip.QuickAckOption:
+ if v == 0 {
+ atomic.StoreUint32(&e.slowAck, 1)
+ } else {
+ atomic.StoreUint32(&e.slowAck, 0)
+ }
+ return nil
+
+ case tcpip.MaxSegOption:
+ userMSS := v
+ if userMSS < header.TCPMinimumMSS || userMSS > header.TCPMaximumMSS {
+ return tcpip.ErrInvalidOptionValue
+ }
+ e.mu.Lock()
+ e.userMSS = int(userMSS)
+ e.mu.Unlock()
+ e.notifyProtocolGoroutine(notifyMSSChanged)
+ return nil
+
case tcpip.V6OnlyOption:
// We only recognize this option on v6 endpoints.
if e.netProto != header.IPv6ProtocolNumber {
@@ -1182,6 +1190,18 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
switch opt {
case tcpip.ReceiveQueueSizeOption:
return e.readyReceiveSize()
+ case tcpip.SendBufferSizeOption:
+ e.sndBufMu.Lock()
+ v := e.sndBufSize
+ e.sndBufMu.Unlock()
+ return v, nil
+
+ case tcpip.ReceiveBufferSizeOption:
+ e.rcvListMu.Lock()
+ v := e.rcvBufSize
+ e.rcvListMu.Unlock()
+ return v, nil
+
}
return -1, tcpip.ErrUnknownProtocolOption
}
@@ -1204,18 +1224,6 @@ func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
*o = header.TCPDefaultMSS
return nil
- case *tcpip.SendBufferSizeOption:
- e.sndBufMu.Lock()
- *o = tcpip.SendBufferSizeOption(e.sndBufSize)
- e.sndBufMu.Unlock()
- return nil
-
- case *tcpip.ReceiveBufferSizeOption:
- e.rcvListMu.Lock()
- *o = tcpip.ReceiveBufferSizeOption(e.rcvBufSize)
- e.rcvListMu.Unlock()
- return nil
-
case *tcpip.DelayOption:
*o = 0
if v := atomic.LoadUint32(&e.delay); v != 0 {
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index 6ac7c067a..0bec7e62d 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -389,7 +389,12 @@ func (e *endpoint) Peek([][]byte) (int64, tcpip.ControlMessages, *tcpip.Error) {
return 0, tcpip.ControlMessages{}, nil
}
-// SetSockOpt sets a socket option. Currently not supported.
+// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
+func (e *endpoint) SetSockOptInt(opt tcpip.SockOpt, v int) *tcpip.Error {
+ return nil
+}
+
+// SetSockOpt implements tcpip.Endpoint.SetSockOpt.
func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
switch v := opt.(type) {
case tcpip.V6OnlyOption:
@@ -568,7 +573,20 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOpt) (int, *tcpip.Error) {
}
e.rcvMu.Unlock()
return v, nil
+
+ case tcpip.SendBufferSizeOption:
+ e.mu.Lock()
+ v := e.sndBufSize
+ e.mu.Unlock()
+ return v, nil
+
+ case tcpip.ReceiveBufferSizeOption:
+ e.rcvMu.Lock()
+ v := e.rcvBufSizeMax
+ e.rcvMu.Unlock()
+ return v, nil
}
+
return -1, tcpip.ErrUnknownProtocolOption
}
@@ -578,18 +596,6 @@ func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
case tcpip.ErrorOption:
return nil
- case *tcpip.SendBufferSizeOption:
- e.mu.Lock()
- *o = tcpip.SendBufferSizeOption(e.sndBufSize)
- e.mu.Unlock()
- return nil
-
- case *tcpip.ReceiveBufferSizeOption:
- e.rcvMu.Lock()
- *o = tcpip.ReceiveBufferSizeOption(e.rcvBufSizeMax)
- e.rcvMu.Unlock()
- return nil
-
case *tcpip.V6OnlyOption:
// We only recognize this option on v6 endpoints.
if e.netProto != header.IPv6ProtocolNumber {