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-rw-r--r--pkg/tcpip/tcpip.go21
-rw-r--r--pkg/tcpip/transport/icmp/endpoint.go10
-rwxr-xr-xpkg/tcpip/transport/packet/endpoint.go22
-rw-r--r--pkg/tcpip/transport/raw/endpoint.go40
-rw-r--r--pkg/tcpip/transport/tcp/endpoint.go75
-rw-r--r--pkg/tcpip/transport/udp/endpoint.go60
6 files changed, 145 insertions, 83 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go
index b172d71b0..1eca76c30 100644
--- a/pkg/tcpip/tcpip.go
+++ b/pkg/tcpip/tcpip.go
@@ -423,6 +423,10 @@ type Endpoint interface {
// SetSockOpt sets a socket option. opt should be one of the *Option types.
SetSockOpt(opt interface{}) *Error
+ // SetSockOptBool sets a socket option, for simple cases where a value
+ // has the bool type.
+ SetSockOptBool(opt SockOptBool, v bool) *Error
+
// SetSockOptInt sets a socket option, for simple cases where a value
// has the int type.
SetSockOptInt(opt SockOptInt, v int) *Error
@@ -431,6 +435,10 @@ type Endpoint interface {
// *Option types.
GetSockOpt(opt interface{}) *Error
+ // GetSockOptBool gets a socket option for simple cases where a return
+ // value has the bool type.
+ GetSockOptBool(SockOptBool) (bool, *Error)
+
// GetSockOptInt gets a socket option for simple cases where a return
// value has the int type.
GetSockOptInt(SockOptInt) (int, *Error)
@@ -488,6 +496,15 @@ type WriteOptions struct {
Atomic bool
}
+// SockOptBool represents socket options which values have the bool type.
+type SockOptBool int
+
+const (
+ // V6OnlyOption is used by {G,S}etSockOptBool to specify whether an IPv6
+ // socket is to be restricted to sending and receiving IPv6 packets only.
+ V6OnlyOption SockOptBool = iota
+)
+
// SockOptInt represents socket options which values have the int type.
type SockOptInt int
@@ -521,10 +538,6 @@ const (
// the endpoint should be cleared and returned.
type ErrorOption struct{}
-// V6OnlyOption is used by SetSockOpt/GetSockOpt to specify whether an IPv6
-// socket is to be restricted to sending and receiving IPv6 packets only.
-type V6OnlyOption int
-
// CorkOption is used by SetSockOpt/GetSockOpt to specify if data should be
// held until segments are full by the TCP transport protocol.
type CorkOption int
diff --git a/pkg/tcpip/transport/icmp/endpoint.go b/pkg/tcpip/transport/icmp/endpoint.go
index 5816ce49a..c7ce74cdd 100644
--- a/pkg/tcpip/transport/icmp/endpoint.go
+++ b/pkg/tcpip/transport/icmp/endpoint.go
@@ -350,11 +350,21 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return nil
}
+// SetSockOptBool sets a socket option. Currently not supported.
+func (e *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error {
+ return nil
+}
+
// SetSockOptInt sets a socket option. Currently not supported.
func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
return nil
}
+// GetSockOptBool implements tcpip.Endpoint.GetSockOptBool.
+func (e *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) {
+ return false, tcpip.ErrUnknownProtocolOption
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
switch opt {
diff --git a/pkg/tcpip/transport/packet/endpoint.go b/pkg/tcpip/transport/packet/endpoint.go
index 6360ce880..07ffa8aba 100755
--- a/pkg/tcpip/transport/packet/endpoint.go
+++ b/pkg/tcpip/transport/packet/endpoint.go
@@ -247,17 +247,17 @@ func (ep *endpoint) Readiness(mask waiter.EventMask) waiter.EventMask {
// used with SetSockOpt, and this function always returns
// tcpip.ErrNotSupported.
func (ep *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
- return tcpip.ErrNotSupported
+ return tcpip.ErrUnknownProtocolOption
}
-// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
-func (ep *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
+// SetSockOptBool implements tcpip.Endpoint.SetSockOptBool.
+func (ep *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error {
return tcpip.ErrUnknownProtocolOption
}
-// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
-func (ep *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
- return 0, tcpip.ErrNotSupported
+// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
+func (ep *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
+ return tcpip.ErrUnknownProtocolOption
}
// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
@@ -265,6 +265,16 @@ func (ep *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
return tcpip.ErrNotSupported
}
+// GetSockOptBool implements tcpip.Endpoint.GetSockOptBool.
+func (ep *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) {
+ return false, tcpip.ErrNotSupported
+}
+
+// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
+func (ep *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
+ return 0, tcpip.ErrNotSupported
+}
+
// HandlePacket implements stack.PacketEndpoint.HandlePacket.
func (ep *endpoint) HandlePacket(nicID tcpip.NICID, localAddr tcpip.LinkAddress, netProto tcpip.NetworkProtocolNumber, pkt tcpip.PacketBuffer) {
ep.rcvMu.Lock()
diff --git a/pkg/tcpip/transport/raw/endpoint.go b/pkg/tcpip/transport/raw/endpoint.go
index 0fd9c456a..85f7eb76b 100644
--- a/pkg/tcpip/transport/raw/endpoint.go
+++ b/pkg/tcpip/transport/raw/endpoint.go
@@ -509,11 +509,36 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return tcpip.ErrUnknownProtocolOption
}
+// SetSockOptBool implements tcpip.Endpoint.SetSockOptBool.
+func (e *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error {
+ return tcpip.ErrUnknownProtocolOption
+}
+
// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
return tcpip.ErrUnknownProtocolOption
}
+// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
+func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
+ switch o := opt.(type) {
+ case tcpip.ErrorOption:
+ return nil
+
+ case *tcpip.KeepaliveEnabledOption:
+ *o = 0
+ return nil
+
+ default:
+ return tcpip.ErrUnknownProtocolOption
+ }
+}
+
+// GetSockOptBool implements tcpip.Endpoint.GetSockOptBool.
+func (e *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) {
+ return false, tcpip.ErrUnknownProtocolOption
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
switch opt {
@@ -544,21 +569,6 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
return -1, tcpip.ErrUnknownProtocolOption
}
-// GetSockOpt implements tcpip.Endpoint.GetSockOpt.
-func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
- switch o := opt.(type) {
- case tcpip.ErrorOption:
- return nil
-
- case *tcpip.KeepaliveEnabledOption:
- *o = 0
- return nil
-
- default:
- return tcpip.ErrUnknownProtocolOption
- }
-}
-
// HandlePacket implements stack.RawTransportEndpoint.HandlePacket.
func (e *endpoint) HandlePacket(route *stack.Route, pkt tcpip.PacketBuffer) {
e.rcvMu.Lock()
diff --git a/pkg/tcpip/transport/tcp/endpoint.go b/pkg/tcpip/transport/tcp/endpoint.go
index f79154b95..2ac1b6877 100644
--- a/pkg/tcpip/transport/tcp/endpoint.go
+++ b/pkg/tcpip/transport/tcp/endpoint.go
@@ -1145,6 +1145,29 @@ func (e *endpoint) zeroReceiveWindow(scale uint8) bool {
return ((e.rcvBufSize - e.rcvBufUsed) >> scale) == 0
}
+// SetSockOptBool sets a socket option.
+func (e *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error {
+ switch opt {
+ case tcpip.V6OnlyOption:
+ // We only recognize this option on v6 endpoints.
+ if e.NetProto != header.IPv6ProtocolNumber {
+ return tcpip.ErrInvalidEndpointState
+ }
+
+ e.mu.Lock()
+ defer e.mu.Unlock()
+
+ // We only allow this to be set when we're in the initial state.
+ if e.state != StateInitial {
+ return tcpip.ErrInvalidEndpointState
+ }
+
+ e.v6only = v
+ }
+
+ return nil
+}
+
// SetSockOptInt sets a socket option.
func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
switch opt {
@@ -1289,23 +1312,6 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
e.notifyProtocolGoroutine(notifyMSSChanged)
return nil
- case tcpip.V6OnlyOption:
- // We only recognize this option on v6 endpoints.
- if e.NetProto != header.IPv6ProtocolNumber {
- return tcpip.ErrInvalidEndpointState
- }
-
- e.mu.Lock()
- defer e.mu.Unlock()
-
- // We only allow this to be set when we're in the initial state.
- if e.state != StateInitial {
- return tcpip.ErrInvalidEndpointState
- }
-
- e.v6only = v != 0
- return nil
-
case tcpip.TTLOption:
e.mu.Lock()
e.ttl = uint8(v)
@@ -1446,6 +1452,25 @@ func (e *endpoint) readyReceiveSize() (int, *tcpip.Error) {
return e.rcvBufUsed, nil
}
+// GetSockOptBool implements tcpip.Endpoint.GetSockOptBool.
+func (e *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) {
+ switch opt {
+ case tcpip.V6OnlyOption:
+ // We only recognize this option on v6 endpoints.
+ if e.NetProto != header.IPv6ProtocolNumber {
+ return false, tcpip.ErrUnknownProtocolOption
+ }
+
+ e.mu.Lock()
+ v := e.v6only
+ e.mu.Unlock()
+
+ return v, nil
+ }
+
+ return false, tcpip.ErrUnknownProtocolOption
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
switch opt {
@@ -1540,22 +1565,6 @@ func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
}
return nil
- case *tcpip.V6OnlyOption:
- // We only recognize this option on v6 endpoints.
- if e.NetProto != header.IPv6ProtocolNumber {
- return tcpip.ErrUnknownProtocolOption
- }
-
- e.mu.Lock()
- v := e.v6only
- e.mu.Unlock()
-
- *o = 0
- if v {
- *o = 1
- }
- return nil
-
case *tcpip.TTLOption:
e.mu.Lock()
*o = tcpip.TTLOption(e.ttl)
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go
index dae373ea7..1a5ee6317 100644
--- a/pkg/tcpip/transport/udp/endpoint.go
+++ b/pkg/tcpip/transport/udp/endpoint.go
@@ -456,14 +456,9 @@ func (e *endpoint) Peek([][]byte) (int64, tcpip.ControlMessages, *tcpip.Error) {
return 0, tcpip.ControlMessages{}, nil
}
-// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
-func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error {
- return nil
-}
-
-// SetSockOpt implements tcpip.Endpoint.SetSockOpt.
-func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
- switch v := opt.(type) {
+// SetSockOptBool implements tcpip.Endpoint.SetSockOptBool.
+func (e *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error {
+ switch opt {
case tcpip.V6OnlyOption:
// We only recognize this option on v6 endpoints.
if e.NetProto != header.IPv6ProtocolNumber {
@@ -478,8 +473,20 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return tcpip.ErrInvalidEndpointState
}
- e.v6only = v != 0
+ e.v6only = v
+ }
+
+ return nil
+}
+// SetSockOptInt implements tcpip.Endpoint.SetSockOptInt.
+func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, 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.TTLOption:
e.mu.Lock()
e.ttl = uint8(v)
@@ -660,6 +667,25 @@ func (e *endpoint) SetSockOpt(opt interface{}) *tcpip.Error {
return nil
}
+// GetSockOptBool implements tcpip.Endpoint.GetSockOptBool.
+func (e *endpoint) GetSockOptBool(opt tcpip.SockOptBool) (bool, *tcpip.Error) {
+ switch opt {
+ case tcpip.V6OnlyOption:
+ // We only recognize this option on v6 endpoints.
+ if e.NetProto != header.IPv6ProtocolNumber {
+ return false, tcpip.ErrUnknownProtocolOption
+ }
+
+ e.mu.Lock()
+ v := e.v6only
+ e.mu.Unlock()
+
+ return v, nil
+ }
+
+ return false, tcpip.ErrUnknownProtocolOption
+}
+
// GetSockOptInt implements tcpip.Endpoint.GetSockOptInt.
func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) {
switch opt {
@@ -695,22 +721,6 @@ func (e *endpoint) GetSockOpt(opt interface{}) *tcpip.Error {
case tcpip.ErrorOption:
return nil
- case *tcpip.V6OnlyOption:
- // We only recognize this option on v6 endpoints.
- if e.NetProto != header.IPv6ProtocolNumber {
- return tcpip.ErrUnknownProtocolOption
- }
-
- e.mu.Lock()
- v := e.v6only
- e.mu.Unlock()
-
- *o = 0
- if v {
- *o = 1
- }
- return nil
-
case *tcpip.TTLOption:
e.mu.Lock()
*o = tcpip.TTLOption(e.ttl)
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 18:55:25 +0000