From 51415c68949aaefbdb003a8db17075c1186219c5 Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@fh-muenster.de>
Date: Sun, 22 Apr 2018 22:19:02 +0200
Subject: [PATCH] Improve debug output.
---
gtests/net/packetdrill/packet_socket_pcap.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/gtests/net/packetdrill/packet_socket_pcap.c b/gtests/net/packetdrill/packet_socket_pcap.c
index 97d42587..850f6a4d 100644
--- a/gtests/net/packetdrill/packet_socket_pcap.c
+++ b/gtests/net/packetdrill/packet_socket_pcap.c
@@ -87,7 +87,9 @@ static void packet_socket_setup(struct packet_socket *psock)
die("%s: %s\n", "pcap_activate", pcap_statustostr(result));
}
psock->data_link = pcap_datalink(psock->pcap);
- DEBUGP("data_link: %d\n", psock->data_link);
+ DEBUGP("data_link: %d (DLT_%s)\n",
+ psock->data_link,
+ pcap_datalink_val_to_name(psock->data_link));
/* Based on the data_link type, calculate the offset of the
* packet data in the buffer.
@@ -101,7 +103,9 @@ static void packet_socket_setup(struct packet_socket *psock)
psock->pcap_offset = sizeof(u32);
break;
default:
- die("Unknown data_link type %d\n", psock->data_link);
+ die("Unknown data_link type %d (DLT_%s)\n",
+ psock->data_link,
+ pcap_datalink_val_to_name(psock->data_link));
break;
}
}
--
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