gfe-relnote: Let GFE be able to use FIFO write scheduler in QUIC and enable it via a connection option FIFO. Protected by gfe2_reloadable_flag_quic_use_fifo_write_scheduler.
PiperOrigin-RevId: 261676376
Change-Id: I74a4d92ad6d612c565eaa1e38186738988d02fe5
diff --git a/quic/core/crypto/crypto_protocol.h b/quic/core/crypto/crypto_protocol.h
index 81f9730..0facf00 100644
--- a/quic/core/crypto/crypto_protocol.h
+++ b/quic/core/crypto/crypto_protocol.h
@@ -199,6 +199,8 @@
// Enable Priority scheme experiment.
const QuicTag kH2PR = TAG('H', '2', 'P', 'R'); // HTTP2 priorities.
+const QuicTag kFIFO = TAG('F', 'I', 'F', 'O'); // Stream with the smallest ID
+ // has the highest priority.
// Proof types (i.e. certificate types)
// NOTE: although it would be silly to do so, specifying both kX509 and kX59R
