On Mon, Oct 14, 2019 at 04:21:35PM +0800, Jason Wang wrote: > On 2019/10/14 下午4:17, Stefan Hajnoczi wrote: > > SO_VM_SOCKETS_BUFFER_SIZE might have been useful for VMCI-specific > > applications, but we should use SO_RCVBUF and SO_SNDBUF for portable > > applications in the future. Those socket options also work with other > > address families. > > I think hyperv_transport started to use it in this patch: ac383f58f3c9 hv_sock: perf: Allow the socket buffer size options to influence the actual socket buffers > > I guess these sockopts are bypassed by AF_VSOCK because it doesn't use > > the common skb queuing code in net/core/sock.c:(. But one day we might > > migrate to it... > > > > Stefan > > > +1, we should really consider to reuse the exist socket mechanism instead of > re-inventing wheels. +1, I totally agree. I'll go this way. Guys, thank you all for your suggestions!