From bb2258e1778bd2344e643b94d444489d99136c70 Mon Sep 17 00:00:00 2001
From: Robin Mueller <robin.mueller.m@pm.me>
Date: Wed, 10 Dec 2025 10:18:37 +0100
Subject: [PATCH] USLP raw buffer caching

---
 src/uslp/mod.rs | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/src/uslp/mod.rs b/src/uslp/mod.rs
index 1fa6d1b..55f751a 100644
--- a/src/uslp/mod.rs
+++ b/src/uslp/mod.rs
@@ -580,6 +580,7 @@ impl<'data> TransferFrameCreator<'data> {
 /// Currently, only insert zone lengths of 0 are supported.
 #[derive(Debug)]
 pub struct TransferFrameReader<'buf> {
+    raw_buf: &'buf [u8],
     primary_header: PrimaryHeader,
     data_field_header: TransferFrameDataFieldHeader,
     data: &'buf [u8],
@@ -627,6 +628,7 @@ impl<'buf> TransferFrameReader<'buf> {
             }
         }
         Ok(Self {
+            raw_buf: buf,
             primary_header,
             data_field_header,
             data: buf[data_idx..data_idx + data_len].try_into().unwrap(),
@@ -652,6 +654,12 @@ impl<'buf> TransferFrameReader<'buf> {
         &self.data_field_header
     }
 
+    /// Raw transfer frame data.
+    #[inline]
+    pub fn raw_frame(&self) -> &'buf [u8] {
+        self.raw_buf
+    }
+
     /// Data contained in the transfer frame data field.
     #[inline]
     pub fn data(&self) -> &'buf [u8] {
-- 
2.43.0