From 7f6b5a0ef606aa98babd757055ebed977a68a0b1 Mon Sep 17 00:00:00 2001
From: Christian Deacon <gamemann@gflclan.com>
Date: Wed, 6 May 2020 03:27:09 +0000
Subject: [PATCH] Updated XDP program (not payload matching support).

---
 src/xdpfw_kern.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/xdpfw_kern.c b/src/xdpfw_kern.c
index f0baf46..ccf77dd 100644
--- a/src/xdpfw_kern.c
+++ b/src/xdpfw_kern.c
@@ -212,19 +212,20 @@ int xdp_prog_main(struct xdp_md *ctx)
             }
 
             // Payload match.
+            /*
             if (filter[i]->payloadLen > 0)
             {
+                uint8_t found = 1;
+                uint16_t len = filter[i]->payloadLen;
+
                 // Initialize packet data.
                 uint8_t *pcktData = (data + sizeof(struct ethhdr) + (iph->ihl * 4) + l4headerLen);
 
-                // Now check packet data and ensure we have enough to match.
-                if (pcktData + (filter[i]->payloadLen) > (uint8_t *)data_end)
+                if (pcktData + len > (uint8_t *)data_end)
                 {
                     continue;
                 }
 
-                uint8_t found = 1;
-
                 for (uint16_t j = 0; j < filter[i]->payloadLen; j++)
                 {
                     if ((*pcktData++) == filter[i]->payloadMatch[j])
@@ -242,6 +243,7 @@ int xdp_prog_main(struct xdp_md *ctx)
                     continue;
                 }
             }
+            */
 
             // Check layer 4 filters.
             if (iph->protocol == IPPROTO_TCP && !filter[i]->tcpopts.enabled)