> On May 23, 2019, at 2:59 PM, Willem de Bruijn <willemdebruijn.kernel@xxxxxxxxx> wrote:what exactly is the issue with IP_TOS? > > If I understand correctly, the issue here is that the new 'P' option > that polls on the error queue times out. This is unrelated to > specifying TOS bits? Without zerocopy or timestamps, no message is > expected on the error queue. Please disregard last message. I think I was chasing a non-issue with TOS bits. I will remove all references to TOS.