From: Eric Leblond <eric@regit.org>
Date: Tue, 31 May 2016 13:55:31 +0000 (+0200)
Subject: util-ioctcl: increase header size
X-Git-Tag: suricata-3.1RC1~32
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4defc5acc21e92b53d6993e6133871e3636a9193;p=thirdparty%2Fsuricata.git

util-ioctcl: increase header size

Headers can contain VLAN or Qing so we need to increase the value
returned by GetIfaceMaxHWHeaderLength.
---

diff --git a/src/util-ioctl.c b/src/util-ioctl.c
index e0b5ef824b..9371846036 100644
--- a/src/util-ioctl.c
+++ b/src/util-ioctl.c
@@ -61,13 +61,16 @@ int GetIfaceMaxHWHeaderLength(const char *pcap_dev)
             ||
             (!strcmp("tap", pcap_dev))
             ||
-            (!strcmp("lo", pcap_dev)))
-        return ETHERNET_HEADER_LEN;
+            (!strcmp("lo", pcap_dev))) {
+        /* Add possible VLAN tag or Qing headers */
+        return 8 + ETHERNET_HEADER_LEN;
+    }
 
     if (!strcmp("ppp", pcap_dev))
         return SLL_HEADER_LEN;
-    /* SLL_HEADER_LEN is the biggest one */
-    return SLL_HEADER_LEN;
+    /* SLL_HEADER_LEN is the biggest one and
+       add possible VLAN tag and Qing headers */
+    return 8 + SLL_HEADER_LEN;
 }
 
 /**