diff options
author | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
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committer | Ashlee Young <ashlee@onosfw.com> | 2015-09-09 22:21:41 -0700 |
commit | 8879b125d26e8db1a5633de5a9c692eb2d1c4f83 (patch) | |
tree | c7259d85a991b83dfa85ab2e339360669fc1f58e /framework/src/suricata/src/decode-vlan.h | |
parent | 13d05bc8458758ee39cb829098241e89616717ee (diff) |
suricata checkin based on commit id a4bce14770beee46a537eda3c3f6e8e8565d5d0a
Change-Id: I9a214fa0ee95e58fc640e50bd604dac7f42db48f
Diffstat (limited to 'framework/src/suricata/src/decode-vlan.h')
-rw-r--r-- | framework/src/suricata/src/decode-vlan.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/framework/src/suricata/src/decode-vlan.h b/framework/src/suricata/src/decode-vlan.h new file mode 100644 index 00000000..baa36472 --- /dev/null +++ b/framework/src/suricata/src/decode-vlan.h @@ -0,0 +1,55 @@ +/* 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__ */ + |