Refactor SOL_SOCKET options

Store all the socket level options in a struct and call {Get/Set}SockOpt on
this struct. This will avoid implementing socket level options on all
endpoints. This CL contains implementing one socket level option for tcp and
udp endpoints.

PiperOrigin-RevId: 342203981

1 files changed, 7 insertions, 0 deletions

diff --git a/pkg/tcpip/transport/icmp/endpoint.go b/pkg/tcpip/transport/icmp/endpoint.go
index 763cd8f84..440cb0352 100644
--- a/pkg/tcpip/transport/icmp/endpoint.go
+++ b/pkg/tcpip/transport/icmp/endpoint.go
@@ -79,6 +79,9 @@ type endpoint struct {
 
 	// owner is used to get uid and gid of the packet.
 	owner tcpip.PacketOwner
+
+	// ops is used to get socket level options.
+	ops tcpip.SocketOptions
 }
 
 func newEndpoint(s *stack.Stack, netProto tcpip.NetworkProtocolNumber, transProto tcpip.TransportProtocolNumber, waiterQueue *waiter.Queue) (tcpip.Endpoint, *tcpip.Error) {
@@ -853,3 +856,7 @@ func (*endpoint) Wait() {}
 func (*endpoint) LastError() *tcpip.Error {
 	return nil
 }
+
+func (e *endpoint) SocketOptions() *tcpip.SocketOptions {
+	return &e.ops
+}