Support 20byte connection IDs in QUIC v99
gfe-relnote: change max connection ID length, protected by disabled flag quic_enable_v99
PiperOrigin-RevId: 261237446
Change-Id: Iba22fe96d6a392c97f75f92f5c3b9ed7b11e3828
diff --git a/quic/core/quic_connection_id.h b/quic/core/quic_connection_id.h
index f1861e0..0b8c06a 100644
--- a/quic/core/quic_connection_id.h
+++ b/quic/core/quic_connection_id.h
@@ -26,7 +26,15 @@
};
// Maximum connection ID length that we support in any packet or version.
-const uint8_t kQuicMaxConnectionIdLength = 18;
+const uint8_t kQuicMaxConnectionIdAllVersionsLength = 20;
+
+// Maximum connection ID length supported by versions that use the encoding from
+// draft-ietf-quic-invariants-06.
+const uint8_t kQuicMaxConnectionIdWithLengthPrefixLength = 20;
+
+// Maximum connection ID length supported by versions that use the encoding from
+// draft-ietf-quic-invariants-05.
+const uint8_t kQuicMaxConnectionId4BitLength = 18;
// kQuicDefaultConnectionIdLength is the only supported length for QUIC
// versions < v99, and is the default picked for all versions.
@@ -99,7 +107,7 @@
union {
// When quic_use_allocated_connection_ids is false, the connection ID is
// stored in the first |length_| bytes of |data_|.
- char data_[kQuicMaxConnectionIdLength];
+ char data_[kQuicMaxConnectionIdAllVersionsLength];
// When quic_use_allocated_connection_ids is true, if the connection ID
// fits in |data_short_|, it is stored in the first |length_| bytes of
// |data_short_|. Otherwise it is stored in |data_long_| which is
