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/*
* Copyright (c) 2012 The Linux Foundation. All rights reserved.
*
* Previously licensed under the ISC license by Qualcomm Atheros, Inc.
*
*
* Permission to use, copy, modify, and/or distribute this software for
* any purpose with or without fee is hereby granted, provided that the
* above copyright notice and this permission notice appear in all
* copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/*
* This file was originally distributed by Qualcomm Atheros, Inc.
* under proprietary terms before Copyright ownership was assigned
* to the Linux Foundation.
*/
#ifndef _ENET__H_
#define _ENET__H_
#if defined(ATH_TARGET)
#include <osapi.h> /* A_UINT8 */
#else
#include <a_types.h> /* A_UINT8 */
#endif
#define ETHERNET_ADDR_LEN 6 /* bytes */
#define ETHERNET_TYPE_LEN 2 /* bytes - length of the Ethernet type field */
struct ethernet_hdr_t {
A_UINT8 dest_addr[ETHERNET_ADDR_LEN];
A_UINT8 src_addr[ETHERNET_ADDR_LEN];
A_UINT8 ethertype[ETHERNET_TYPE_LEN];
};
#define ETHERNET_HDR_LEN (sizeof(struct ethernet_hdr_t))
#define ETHERNET_CRC_LEN 4 /* bytes - length of the Ethernet CRC */
#define ETHERNET_MAX_LEN 1518 /* bytes */
#define ETHERNET_MTU (ETHERNET_MAX_LEN - (ETHERNET_HDR_LEN + ETHER_CRC_LEN))
struct llc_snap_hdr_t {
A_UINT8 dsap;
A_UINT8 ssap;
A_UINT8 cntl;
A_UINT8 org_code[3];
A_UINT8 ethertype[2];
};
#define LLC_SNAP_HDR_LEN (sizeof(struct llc_snap_hdr_t))
#define LLC_SNAP_HDR_OFFSET_ETHERTYPE \
(offsetof(struct llc_snap_hdr_t, ethertype[0]))
#define ETHERTYPE_VLAN_LEN 4
struct ethernet_vlan_hdr_t {
A_UINT8 dest_addr[ETHERNET_ADDR_LEN];
A_UINT8 src_addr[ETHERNET_ADDR_LEN];
A_UINT8 vlan_tpid[2];
A_UINT8 vlan_tci[2];
A_UINT8 ethertype[2];
};
#define ETHERTYPE_IS_EAPOL_WAPI(typeorlen) \
((typeorlen) == ETHERTYPE_PAE || \
(typeorlen) == ETHERTYPE_WAI)
#define IS_ETHERTYPE(_typeOrLen) ((_typeOrLen) >= 0x0600)
#ifndef ETHERTYPE_IPV4
#define ETHERTYPE_IPV4 0x0800 /* Internet Protocol, Version 4 (IPv4) */
#endif
#ifndef ETHERTYPE_AARP
#define ETHERTYPE_AARP 0x80f3 /* Internal QCA AARP protocol */
#endif
#ifndef ETHERTYPE_IPX
#define ETHERTYPE_IPX 0x8137 /* IPX over DIX protocol */
#endif
#ifndef ETHERTYPE_ARP
#define ETHERTYPE_ARP 0x0806 /* Address Resolution Protocol (ARP) */
#endif
#ifndef ETHERTYPE_RARP
#define ETHERTYPE_RARP 0x8035 /* Reverse Address Resolution Protocol (RARP) */
#endif
#ifndef ETHERTYPE_VLAN
#define ETHERTYPE_VLAN 0x8100 /* VLAN TAG protocol */
#endif
#ifndef ETHERTYPE_SNMP
#define ETHERTYPE_SNMP 0x814C /* Simple Network Management Protocol (SNMP) */
#endif
#ifndef ETHERTYPE_IPV6
#define ETHERTYPE_IPV6 0x86DD /* Internet Protocol, Version 6 (IPv6) */
#endif
#ifndef ETHERTYPE_PAE
#define ETHERTYPE_PAE 0x888E /* EAP over LAN (EAPOL) */
#endif
#ifndef ETHERTYPE_WAI
#define ETHERTYPE_WAI 0x88B4 /* WAPI */
#endif
#ifndef ETHERTYPE_TDLS
#define ETHERTYPE_TDLS 0x890D /* TDLS */
#endif
#define LLC_SNAP_LSAP 0xaa
#define LLC_UI 0x3
#define RFC1042_SNAP_ORGCODE_0 0x00
#define RFC1042_SNAP_ORGCODE_1 0x00
#define RFC1042_SNAP_ORGCODE_2 0x00
#define BTEP_SNAP_ORGCODE_0 0x00
#define BTEP_SNAP_ORGCODE_1 0x00
#define BTEP_SNAP_ORGCODE_2 0xf8
#define IS_SNAP(_llc) ((_llc)->dsap == LLC_SNAP_LSAP && \
(_llc)->ssap == LLC_SNAP_LSAP && \
(_llc)->cntl == LLC_UI)
#define IS_RFC1042(_llc) ((_llc)->org_code[0] == RFC1042_SNAP_ORGCODE_0 && \
(_llc)->org_code[1] == RFC1042_SNAP_ORGCODE_1 && \
(_llc)->org_code[2] == RFC1042_SNAP_ORGCODE_2)
#define IS_BTEP(_llc) ((_llc)->org_code[0] == BTEP_SNAP_ORGCODE_0 && \
(_llc)->org_code[1] == BTEP_SNAP_ORGCODE_1 && \
(_llc)->org_code[2] == BTEP_SNAP_ORGCODE_2)
#endif /* _ENET__H_ */