On 03/31/2018 10:43 PM, Maciej Żenczykowski wrote: > From: Luigi Rizzo <lri...@google.com> > > We have all sorts of different ways to fetch pre-UDP payload metadata: > IP_RECVTOS > IP_RECVTTL > IP_RECVOPTS > IP_RETOPTS > > But nothing generic which simply allows you to receive the entire packet > header. > > This is in similar vein to TCP_SAVE_SYN but for UDP and other datagram > sockets. > > This is envisioned as a way to get GUE extension metadata for encapsulated > packets, but implemented in a way to be much more future proof. > > (Implemented by Luigi, who asked me to send it upstream) >
Hmm... what happened to IPv6 ? ;)
