From 97db1a6c052ef0729a562f6975631a46114b3452 Mon Sep 17 00:00:00 2001
From: Ulf Lilleengen <ulf.lilleengen@gmail.com>
Date: Tue, 13 Aug 2024 14:56:41 +0200
Subject: [PATCH] set host buffer sizes even without flow control

---
 host/src/channel_manager.rs |  2 +-
 host/src/host.rs            | 29 +++++++++++++++--------------
 2 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/host/src/channel_manager.rs b/host/src/channel_manager.rs
index 6fbfa0d..b699ed2 100644
--- a/host/src/channel_manager.rs
+++ b/host/src/channel_manager.rs
@@ -3,7 +3,7 @@ use core::future::poll_fn;
 use core::task::{Context, Poll};
 
 use bt_hci::controller::{blocking, Controller};
-use bt_hci::param::{ConnHandle, Duration};
+use bt_hci::param::ConnHandle;
 use bt_hci::FromHciBytes;
 use embassy_sync::blocking_mutex::raw::NoopRawMutex;
 use embassy_sync::channel::Channel;
diff --git a/host/src/host.rs b/host/src/host.rs
index efc2794..3302001 100644
--- a/host/src/host.rs
+++ b/host/src/host.rs
@@ -1000,22 +1000,23 @@ where
             self.connections
                 .set_link_credits(ret.total_num_le_acl_data_packets as usize);
 
+            info!(
+                "[host] configuring host buffers ({} packets of size {})",
+                config::L2CAP_RX_PACKET_POOL_SIZE,
+                self.rx_pool.mtu()
+            );
+            HostBufferSize::new(
+                self.rx_pool.mtu() as u16,
+                0,
+                config::L2CAP_RX_PACKET_POOL_SIZE as u16,
+                0,
+            )
+            .exec(&self.controller)
+            .await?;
+
             #[cfg(feature = "controller-host-flow-control")]
             {
-                info!(
-                    "[host] enabling flow control ({} packets of size {})",
-                    config::L2CAP_RX_PACKET_POOL_SIZE,
-                    self.rx_pool.mtu()
-                );
-                HostBufferSize::new(
-                    self.rx_pool.mtu() as u16,
-                    0,
-                    config::L2CAP_RX_PACKET_POOL_SIZE as u16,
-                    0,
-                )
-                .exec(&self.controller)
-                .await?;
-
+                info!("[host] enabling flow control");
                 SetControllerToHostFlowControl::new(ControllerToHostFlowControl::AclOnSyncOff)
                     .exec(&self.controller)
                     .await?;