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Support setsockopt SO_SNDBUF/SO_RCVBUF for raw/udp sockets.

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Updates #173,#6
Fixes #2888

PiperOrigin-RevId: 317087652
This commit is contained in:
Bhasker Hariharan
2020-06-18 06:07:20 -07:00
committed by gVisor bot
parent 09b2fca40c
commit 07ff909e76
17 changed files with 985 additions and 97 deletions
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pkg/sentry/socket/netstack/stack.go
+6 -6
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@@ -144,7 +144,7 @@ func (s *Stack) AddInterfaceAddr(idx int32, addr inet.InterfaceAddr) error {
// TCPReceiveBufferSize implements inet.Stack.TCPReceiveBufferSize.
func (s *Stack) TCPReceiveBufferSize() (inet.TCPBufferSize, error) {
var rs tcp.ReceiveBufferSizeOption
var rs tcpip.StackReceiveBufferSizeOption
err := s.Stack.TransportProtocolOption(tcp.ProtocolNumber, &rs)
return inet.TCPBufferSize{
Min: rs.Min,
@@ -155,7 +155,7 @@ func (s *Stack) TCPReceiveBufferSize() (inet.TCPBufferSize, error) {
// SetTCPReceiveBufferSize implements inet.Stack.SetTCPReceiveBufferSize.
func (s *Stack) SetTCPReceiveBufferSize(size inet.TCPBufferSize) error {
rs := tcp.ReceiveBufferSizeOption{
rs := tcpip.StackReceiveBufferSizeOption{
Min: size.Min,
Default: size.Default,
Max: size.Max,
@@ -165,7 +165,7 @@ func (s *Stack) SetTCPReceiveBufferSize(size inet.TCPBufferSize) error {
// TCPSendBufferSize implements inet.Stack.TCPSendBufferSize.
func (s *Stack) TCPSendBufferSize() (inet.TCPBufferSize, error) {
var ss tcp.SendBufferSizeOption
var ss tcpip.StackSendBufferSizeOption
err := s.Stack.TransportProtocolOption(tcp.ProtocolNumber, &ss)
return inet.TCPBufferSize{
Min: ss.Min,
@@ -176,7 +176,7 @@ func (s *Stack) TCPSendBufferSize() (inet.TCPBufferSize, error) {
// SetTCPSendBufferSize implements inet.Stack.SetTCPSendBufferSize.
func (s *Stack) SetTCPSendBufferSize(size inet.TCPBufferSize) error {
ss := tcp.SendBufferSizeOption{
ss := tcpip.StackSendBufferSizeOption{
Min: size.Min,
Default: size.Default,
Max: size.Max,
@@ -186,14 +186,14 @@ func (s *Stack) SetTCPSendBufferSize(size inet.TCPBufferSize) error {
// TCPSACKEnabled implements inet.Stack.TCPSACKEnabled.
func (s *Stack) TCPSACKEnabled() (bool, error) {
var sack tcp.SACKEnabled
var sack tcpip.StackSACKEnabled
err := s.Stack.TransportProtocolOption(tcp.ProtocolNumber, &sack)
return bool(sack), syserr.TranslateNetstackError(err).ToError()
}
// SetTCPSACKEnabled implements inet.Stack.SetTCPSACKEnabled.
func (s *Stack) SetTCPSACKEnabled(enabled bool) error {
return syserr.TranslateNetstackError(s.Stack.SetTransportProtocolOption(tcp.ProtocolNumber, tcp.SACKEnabled(enabled))).ToError()
return syserr.TranslateNetstackError(s.Stack.SetTransportProtocolOption(tcp.ProtocolNumber, tcpip.StackSACKEnabled(enabled))).ToError()
}
// Statistics implements inet.Stack.Statistics.