diff options
Diffstat (limited to 'pkg/tcpip/transport/udp/endpoint.go')
| -rw-r--r-- | pkg/tcpip/transport/udp/endpoint.go | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/tcpip/transport/udp/endpoint.go b/pkg/tcpip/transport/udp/endpoint.go index cae29fbff..0584ec8dc 100644 --- a/pkg/tcpip/transport/udp/endpoint.go +++ b/pkg/tcpip/transport/udp/endpoint.go @@ -612,6 +612,13 @@ func (e *endpoint) SetSockOptBool(opt tcpip.SockOptBool, v bool) *tcpip.Error { // SetSockOptInt implements tcpip.Endpoint.SetSockOptInt. func (e *endpoint) SetSockOptInt(opt tcpip.SockOptInt, v int) *tcpip.Error { switch opt { + case tcpip.MTUDiscoverOption: + // Return not supported if the value is not disabling path + // MTU discovery. + if v != tcpip.PMTUDiscoveryDont { + return tcpip.ErrNotSupported + } + case tcpip.MulticastTTLOption: e.mu.Lock() e.multicastTTL = uint8(v) @@ -906,6 +913,10 @@ func (e *endpoint) GetSockOptInt(opt tcpip.SockOptInt) (int, *tcpip.Error) { e.mu.RUnlock() return v, nil + case tcpip.MTUDiscoverOption: + // The only supported setting is path MTU discovery disabled. + return tcpip.PMTUDiscoveryDont, nil + case tcpip.MulticastTTLOption: e.mu.Lock() v := int(e.multicastTTL) |