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authorAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
committerAshlee Young <ashlee@onosfw.com>2015-09-09 22:21:41 -0700
commit8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch)
treec7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/decode-vlan.h
parent13d05bc8458758ee39cb829098241e89616717ee (diff)
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/decode-vlan.h')
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diff --git a/framework/src/suricata/src/decode-vlan.h b/framework/src/suricata/src/decode-vlan.h
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+/* Copyright (C) 2007-2010 Open Information Security Foundation
+ *
+ * You can copy, redistribute or modify this Program under the terms of
+ * the GNU General Public License version 2 as published by the Free
+ * Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * \file
+ *
+ * \author Breno Silva <breno.silva@gmail.com>
+ */
+
+#ifndef __DECODE_VLAN_H__
+#define __DECODE_VLAN_H__
+
+/* return vlan id in host byte order */
+uint16_t DecodeVLANGetId(const struct Packet_ *, uint8_t layer);
+
+/** Vlan type */
+#define ETHERNET_TYPE_VLAN 0x8100
+
+/** Vlan macros to access Vlan priority, Vlan CFI and VID */
+#define GET_VLAN_PRIORITY(vlanh) ((ntohs((vlanh)->vlan_cfi) & 0xe000) >> 13)
+#define GET_VLAN_CFI(vlanh) ((ntohs((vlanh)->vlan_cfi) & 0x0100) >> 12)
+#define GET_VLAN_ID(vlanh) ((uint16_t)(ntohs((vlanh)->vlan_cfi) & 0x0FFF))
+#define GET_VLAN_PROTO(vlanh) ((ntohs((vlanh)->protocol)))
+
+/* return vlan id in host byte order */
+#define VLAN_GET_ID1(p) DecodeVLANGetId((p), 0)
+#define VLAN_GET_ID2(p) DecodeVLANGetId((p), 1)
+
+/** Vlan header struct */
+typedef struct VLANHdr_ {
+ uint16_t vlan_cfi;
+ uint16_t protocol; /**< protocol field */
+} __attribute__((__packed__)) VLANHdr;
+
+/** VLAN header length */
+#define VLAN_HEADER_LEN 4
+
+void DecodeVLANRegisterTests(void);
+
+#endif /* __DECODE_VLAN_H__ */
+