tree 858ff51f0393e4547f3d9dda309f5715628f8e54
parent 352170acc7b5a16f8af251b761e87edcde658e76
author QUICHE team <quiche-dev@google.com> 1590704420 -0700
committer Copybara-Service <copybara-worker@google.com> 1590704460 -0700

Add ipv6_only to QuicUdpSocketApi::Create.

This is necessary for iOS compatibility - setting IP_PKTINFO on an IPv6 socket will always fail.  ipv6_only will cause IP_PKTINFO to be skipped for IPv6 sockets.

Testing is also expanded to cover forcing IPv6 on all platforms, as well as to ensure that ipv6_only does not cause breakages on other platforms.

Add ipv6_only for quicudpsocketapi::create.  this does not change default behavior.

PiperOrigin-RevId: 313669717
Change-Id: I0e33b5ff94ceb299e69a50976062f04b4a3452bb