From 6a1bde5f3a11c303e70b2814fcba1fbce0239c8e Mon Sep 17 00:00:00 2001
From: Matt Keeter <matt@oxide.computer>
Date: Thu, 12 Dec 2024 14:50:26 -0500
Subject: [PATCH] Allow Connecting -> Connecting transition

---
 upstairs/src/client.rs | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/upstairs/src/client.rs b/upstairs/src/client.rs
index 781382b12..ca96fc659 100644
--- a/upstairs/src/client.rs
+++ b/upstairs/src/client.rs
@@ -972,6 +972,16 @@ impl DownstairsClient {
         use NegotiationState as N;
         use UpstairsState as U;
         match (prev_state, next_state) {
+            (
+                D::Connecting { .. },
+                D::Connecting {
+                    state: N::Start { .. },
+                    ..
+                },
+            ) => {
+                // restarting negotiation is allowed
+                true
+            }
             (
                 D::Connecting {
                     state: prev_state,
@@ -982,6 +992,7 @@ impl DownstairsClient {
                     mode: next_mode,
                 },
             ) => {
+                // Check normal negotiation path
                 if next_mode == C::New && matches!(up_state, U::Active) {
                     return false;
                 }