From 426e6a4ba941ae369ccd3ca279859817ccd7e157 Mon Sep 17 00:00:00 2001
From: Tommaso Pecorella <tommaso.pecorella@unifi.it>
Date: Sat, 27 Jul 2024 00:31:17 -0500
Subject: [PATCH] internet: (fixes #1113) fixes integer overflow on first
 Hystart event

---
 src/internet/model/tcp-cubic.cc | 6 ++++++
 src/internet/model/tcp-cubic.h  | 1 +
 2 files changed, 7 insertions(+)

diff --git a/src/internet/model/tcp-cubic.cc b/src/internet/model/tcp-cubic.cc
index 24298a338..ea9a47649 100644
--- a/src/internet/model/tcp-cubic.cc
+++ b/src/internet/model/tcp-cubic.cc
@@ -173,6 +173,12 @@ TcpCubic::GetName() const
     return "TcpCubic";
 }
 
+void
+TcpCubic::Init(Ptr<TcpSocketState> tcb)
+{
+    HystartReset(tcb);
+}
+
 void
 TcpCubic::HystartReset(Ptr<const TcpSocketState> tcb)
 {
diff --git a/src/internet/model/tcp-cubic.h b/src/internet/model/tcp-cubic.h
index 9da52ee1b..fdcda278c 100644
--- a/src/internet/model/tcp-cubic.h
+++ b/src/internet/model/tcp-cubic.h
@@ -101,6 +101,7 @@ class TcpCubic : public TcpCongestionOps
                             const TcpSocketState::TcpCongState_t newState) override;
 
     Ptr<TcpCongestionOps> Fork() override;
+    void Init(Ptr<TcpSocketState> tcb) override;
 
   private:
     bool m_fastConvergence; //!< Enable or disable fast convergence algorithm