> 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. I was not able to get to the root cause, but I noticed that IP_TOS CMSG was lost until I applied this fix. I also found it confusing as to why that may be the case.
