Fix TcpRepr field visibility.

README.md

@@ -43,7 +43,10 @@ The UDP protocol is supported over IPv4.
 
 ### TCP layer
 
-TCP is **not** supported yet.
+The TCP protocol is supported over IPv4.
+
+  * TCP header checksum is supported.
+  * TCP options are **not** supported.
 
 Installation
 ------------

src/wire/tcp.rs

@@ -388,13 +388,13 @@ impl<'a, T: AsRef<[u8]> + AsMut<[u8]> + ?Sized> Packet<&'a mut T> {
 /// A high-level representation of a Transmission Control Protocol packet.
 #[derive(Debug, PartialEq, Eq, Clone, Copy)]
 pub struct Repr<'a> {
-    src_port:   u16,
-    dst_port:   u16,
-    control:    Control,
-    seq_number: u32,
-    ack_number: Option<u32>,
-    window_len: u16,
-    payload:    &'a [u8]
+    pub src_port:   u16,
+    pub dst_port:   u16,
+    pub control:    Control,
+    pub seq_number: u32,
+    pub ack_number: Option<u32>,
+    pub window_len: u16,
+    pub payload:    &'a [u8]
 }
 
 /// The control flags of a Transmission Control Protocol packet.