From 21d38a2a9d926d6a8f65e7fc645d498a01e2fa63 Mon Sep 17 00:00:00 2001
From: Green Sky <Green-Sky@users.noreply.github.com>
Date: Fri, 12 Dec 2025 14:55:58 +0100
Subject: [PATCH] make onCongestion cca interface

---
 solanaceae/ngc_ft1/cca.hpp       | 3 +++
 solanaceae/ngc_ft1/flow_only.hpp | 2 --
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/solanaceae/ngc_ft1/cca.hpp b/solanaceae/ngc_ft1/cca.hpp
index 4d8a9d2..8117bc5 100644
--- a/solanaceae/ngc_ft1/cca.hpp
+++ b/solanaceae/ngc_ft1/cca.hpp
@@ -70,5 +70,8 @@ struct CCAI {
 
 		// if discard, not resent, not inflight
 		virtual void onLoss(SeqIDType seq, bool discard) = 0;
+
+		// signal congestion externally (eg. send queue is full)
+		virtual void onCongestion(void) {};
 };
 
diff --git a/solanaceae/ngc_ft1/flow_only.hpp b/solanaceae/ngc_ft1/flow_only.hpp
index d0bdc79..9db0a2c 100644
--- a/solanaceae/ngc_ft1/flow_only.hpp
+++ b/solanaceae/ngc_ft1/flow_only.hpp
@@ -58,8 +58,6 @@ struct FlowOnly : public CCAI {
 
 		void updateWindow(void);
 
-		virtual void onCongestion(void) {};
-
 		// internal logic, calls the onCongestion() event
 		void updateCongestion(void);