From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 1 Mar 2023 13:04:08 +0000 (+0100)
Subject: dnsdist: Pass-through TCP packets from XDP
X-Git-Tag: dnsdist-1.9.0-rc1^2~46
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c3cad015511c9df7b8a748a4302401572a6153c6;p=thirdparty%2Fpdns.git

dnsdist: Pass-through TCP packets from XDP
---

diff --git a/contrib/xdp-filter.ebpf.src b/contrib/xdp-filter.ebpf.src
index aa435f8c98..8de35a0445 100644
--- a/contrib/xdp-filter.ebpf.src
+++ b/contrib/xdp-filter.ebpf.src
@@ -170,13 +170,7 @@ static inline enum xdp_action parseIPV4(struct xdp_md* ctx, struct cursor* c)
 
 #ifdef UseXsk
   case IPPROTO_TCP: {
-    struct tcphdr* tcp;
-    if (!(tcp = parse_tcphdr(c))) {
-      return XDP_PASS;
-    }
-    if (!IN_DNS_PORT_SET(tcp->dest)) {
-      return XDP_PASS;
-    }
+    return XDP_PASS;
   }
 #endif /* UseXsk */
 
@@ -262,13 +256,7 @@ static inline enum xdp_action parseIPV6(struct xdp_md* ctx, struct cursor* c)
 
 #ifdef UseXsk
   case IPPROTO_TCP: {
-    struct tcphdr* tcp;
-    if (!(tcp = parse_tcphdr(c))) {
-      return XDP_PASS;
-    }
-    if (!IN_DNS_PORT_SET(tcp->dest)) {
-      return XDP_PASS;
-    }
+    return XDP_PASS;
   }
 #endif /* UseXsk */