From: Remi Gacogne <remi.gacogne@powerdns.com>
Date: Wed, 1 Mar 2023 10:33:41 +0000 (+0100)
Subject: dnsdist: Better error messages when failing to load the XDP map
X-Git-Tag: dnsdist-1.9.0-rc1^2~49
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbb193ae199b7ab472311626266a443b8fc53925;p=thirdparty%2Fpdns.git

dnsdist: Better error messages when failing to load the XDP map
---

diff --git a/pdns/xsk.cc b/pdns/xsk.cc
index b7659317e5..f43d4a3c85 100644
--- a/pdns/xsk.cc
+++ b/pdns/xsk.cc
@@ -119,11 +119,11 @@ XskSocket::XskSocket(size_t frameNum_, const std::string& ifName_, uint32_t queu
     .revents = 0});
   const auto xskMapFd = FDWrapper(bpf_obj_get(xskMapPath.c_str()));
   if (xskMapFd.getHandle() < 0) {
-    throw std::runtime_error("Error get BPF map from path");
+    throw std::runtime_error("Error getting BPF map from path '" + xskMapPath + "'");
   }
   auto ret = bpf_map_update_elem(xskMapFd.getHandle(), &queue_id, &xskfd, 0);
   if (ret) {
-    throw std::runtime_error("Error insert into xsk_map");
+    throw std::runtime_error("Error inserting into xsk_map '" + xskMapPath + "': " + std::to_string(ret));
   }
 }
 void XskSocket::fillFq(uint32_t fillSize) noexcept