tree 967709370df06fa5d34aad830f79a8ca503ec02b
parent 178697b82ca72f7ad020de7aa36faae918a35114
author fayang <fayang@google.com> 1565885136 -0700
committer Copybara-Service <copybara-worker@google.com> 1565897624 -0700

gfe-relnote: In QUIC, add probe timeout mode, which unifies TLP and RTO. Protected by gfe2_reloadable_flag_quic_enable_pto.

PTO mode is enabled on client side if gfe2_reloadable_flag_quic_enable_pto is true and client sends 1PTO or 2PTO. PTO mode is enabled on server side if gfe2_reloadable_flag_quic_enable_pto is true and server receives 1PTO or 2PTO from client.

Connection is closed after 7 or 8 PTO depending on connection option 7PTO or 8PTO, respectively.

PiperOrigin-RevId: 263574963
Change-Id: Id952a3e4640146c3fe72e3d6745cbac5ee16dcdc