From beed9726e3d755efea20be3472a68741cbcfb6b4 Mon Sep 17 00:00:00 2001
From: Steven Polley <himself@stevenpolley.net>
Date: Tue, 16 Apr 2024 20:09:01 -0600
Subject: [PATCH] remove unreferenced macros...

These were previously used while trying to parse out specific headers.  They are no longer required though because the current length bounds checks covers edge cases.
---
 hypd/server/hyp_bpf.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/hypd/server/hyp_bpf.c b/hypd/server/hyp_bpf.c
index f4f8893..e327f57 100644
--- a/hypd/server/hyp_bpf.c
+++ b/hypd/server/hyp_bpf.c
@@ -7,12 +7,8 @@ Copyright © 2024 Steven Polley <himself@stevenpolley.net>
 #include "bpf_endian.h"
 #include <bpf/bpf_helpers.h>
 
-
 char __license[] SEC("license") = "BSD";
 
-#define ETH_P_IP 0x0800
-#define IP_FRAGMENTED 65343
-
 // representation of knock data that gets sent to userspace
 struct knock_data {
 	__u32 srcip; // 4 bytes
@@ -44,7 +40,6 @@ int xdp_prog_func(struct xdp_md *ctx) {
 
 	// parse ethernet header
 	struct ethhdr *eth = data;
-
 	if ((void *)eth + sizeof(*eth) <= data_end) {
 		// parse IP header
 		struct iphdr *ip = data + sizeof(*eth);