fix vlan example code in book

book/code/src/bin/vlan-switch.rs

@@ -20,14 +20,14 @@ fn main() -> Result<(), anyhow::Error> {
 
 fn init_tables(pipeline: &mut main_pipeline, m1: [u8; 6], m2: [u8; 6]) {
     // add static forwarding entries
-    pipeline.add_ingress_fwd_fib_entry("forward", &m1, &0u16.to_be_bytes(), 0);
-    pipeline.add_ingress_fwd_fib_entry("forward", &m2, &1u16.to_be_bytes(), 0);
+    pipeline.add_ingress_fwd_fib_entry("forward", &m1, &0u16.to_le_bytes(), 0);
+    pipeline.add_ingress_fwd_fib_entry("forward", &m2, &1u16.to_le_bytes(), 0);
 
     // port 0 vlan 47
     pipeline.add_ingress_vlan_port_vlan_entry(
         "filter",
-        0u16.to_be_bytes().as_ref(),
-        47u16.to_be_bytes().as_ref(),
+        0u16.to_le_bytes().as_ref(),
+        47u16.to_le_bytes().as_ref(),
         0,
     );
 
@@ -38,8 +38,8 @@ fn init_tables(pipeline: &mut main_pipeline, m1: [u8; 6], m2: [u8; 6]) {
     // port 1 vlan 47
     pipeline.add_ingress_vlan_port_vlan_entry(
         "filter",
-        1u16.to_be_bytes().as_ref(),
-        47u16.to_be_bytes().as_ref(),
+        1u16.to_le_bytes().as_ref(),
+        47u16.to_le_bytes().as_ref(),
         0,
     );
 }
@@ -56,14 +56,14 @@ fn run_test(
     npu.run();
 
     // send a packet we expect to make it through
-    phy1.send(&[TxFrame::newv(m2, 0, b"blueberry", 47)])?;
+    phy1.send(&[TxFrame::newv(m2, 0x8100, b"blueberry", 47)])?;
     expect_frames!(phy2, &[RxFrame::newv(phy1.mac, 0x8100, b"blueberry", 47)]);
 
     // send 3 packets, we expect the first 2 to get filtered by vlan rules
-    phy1.send(&[TxFrame::newv(m2, 0, b"poppyseed", 74)])?; // 74 != 47
+    phy1.send(&[TxFrame::newv(m2, 0x8100, b"poppyseed", 74)])?; // 74 != 47
     phy1.send(&[TxFrame::new(m2, 0, b"banana")])?; // no tag
-    phy1.send(&[TxFrame::newv(m2, 0, b"muffin", 47)])?;
-    phy1.send(&[TxFrame::newv(m3, 0, b"nut", 47)])?; // no forwarding entry
+    phy1.send(&[TxFrame::newv(m2, 0x8100, b"muffin", 47)])?;
+    phy1.send(&[TxFrame::newv(m3, 0x8100, b"nut", 47)])?; // no forwarding entry
     expect_frames!(phy2, &[RxFrame::newv(phy1.mac, 0x8100, b"muffin", 47)]);
 
     Ok(())