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-rw-r--r--third_party/rust/neqo-transport/src/cc/mod.rs3
1 files changed, 3 insertions, 0 deletions
diff --git a/third_party/rust/neqo-transport/src/cc/mod.rs b/third_party/rust/neqo-transport/src/cc/mod.rs
index 486d15e67e..2adffbc0c4 100644
--- a/third_party/rust/neqo-transport/src/cc/mod.rs
+++ b/third_party/rust/neqo-transport/src/cc/mod.rs
@@ -53,6 +53,9 @@ pub trait CongestionControl: Display + Debug {
lost_packets: &[SentPacket],
) -> bool;
+ /// Returns true if the congestion window was reduced.
+ fn on_ecn_ce_received(&mut self, largest_acked_pkt: &SentPacket) -> bool;
+
#[must_use]
fn recovery_packet(&self) -> bool;