![Charles Clément](/assets/img/avatar_default.png)
Replace custom maximum packet lenght definition MAX_PACKET_LEN by ETH_FRAME_LEN from <linux/if_ether.h>. Signed-off-by: Charles Clément <caratorn@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
230 lines
6.7 KiB
C
230 lines
6.7 KiB
C
/*
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* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* File: tether.h
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*
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* Purpose:
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*
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* Author: Tevin Chen
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*
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* Date: Jan. 28, 1997
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*
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*/
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#ifndef __TETHER_H__
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#define __TETHER_H__
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#include <linux/if_ether.h>
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#include "ttype.h"
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/*--------------------- Export Definitions -------------------------*/
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//
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// constants
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//
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#define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
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// Ethernet address string length
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#define MIN_DATA_LEN 46 // min data length
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#define MIN_PACKET_LEN (MIN_DATA_LEN + ETH_HLEN)
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// 60
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// min total packet length (tx)
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#define MAX_LOOKAHEAD_SIZE ETH_FRAME_LEN
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#define U_MULTI_ADDR_LEN 8 // multicast address length
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#ifdef __BIG_ENDIAN
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#define TYPE_PKT_IP 0x0800 //
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#define TYPE_PKT_ARP 0x0806 //
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#define TYPE_PKT_RARP 0x8035 //
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#define TYPE_PKT_IPX 0x8137 //
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#define TYPE_PKT_802_1x 0x888e
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#define TYPE_PKT_PreAuth 0x88C7
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#define TYPE_PKT_PING_M_REQ 0x8011 // master reguest
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#define TYPE_PKT_PING_S_GNT 0x8022 // slave grant
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#define TYPE_PKT_PING_M 0x8077 // pingpong master packet
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#define TYPE_PKT_PING_S 0x8088 // pingpong slave packet
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#define TYPE_PKT_WOL_M_REQ 0x8033 // WOL waker request
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#define TYPE_PKT_WOL_S_GNT 0x8044 // WOL sleeper grant
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#define TYPE_MGMT_PROBE_RSP 0x5000
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#define TYPE_PKT_VNT_DIAG 0x8011 // Diag Pkt
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#define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt
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//
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// wFrameCtl field in the S802_11Header
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//
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// NOTE....
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// in network byte order, high byte is going first
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#define FC_TODS 0x0001
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#define FC_FROMDS 0x0002
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#define FC_MOREFRAG 0x0004
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#define FC_RETRY 0x0008
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#define FC_POWERMGT 0x0010
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#define FC_MOREDATA 0x0020
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#define FC_WEP 0x0040
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#define TYPE_802_11_ATIM 0x9000
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#define TYPE_802_11_DATA 0x0800
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#define TYPE_802_11_CTL 0x0400
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#define TYPE_802_11_MGMT 0x0000
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#define TYPE_802_11_MASK 0x0C00
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#define TYPE_SUBTYPE_MASK 0xFC00
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#define TYPE_802_11_NODATA 0x4000
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#define TYPE_DATE_NULL 0x4800
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#define TYPE_CTL_PSPOLL 0xa400
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#define TYPE_CTL_RTS 0xb400
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#define TYPE_CTL_CTS 0xc400
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#define TYPE_CTL_ACK 0xd400
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//#define WEP_IV_MASK 0xFFFFFF00
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#else //if LITTLE_ENDIAN
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//
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// wType field in the SEthernetHeader
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//
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// NOTE....
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// in network byte order, high byte is going first
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#define TYPE_PKT_IP 0x0008 //
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#define TYPE_PKT_ARP 0x0608 //
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#define TYPE_PKT_RARP 0x3580 //
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#define TYPE_PKT_IPX 0x3781 //
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#define TYPE_PKT_802_1x 0x8e88
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#define TYPE_PKT_PreAuth 0xC788
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#define TYPE_PKT_PING_M_REQ 0x1180 // master reguest
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#define TYPE_PKT_PING_S_GNT 0x2280 // slave grant
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#define TYPE_PKT_PING_M 0x7780 // pingpong master packet
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#define TYPE_PKT_PING_S 0x8880 // pingpong slave packet
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#define TYPE_PKT_WOL_M_REQ 0x3380 // WOL waker request
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#define TYPE_PKT_WOL_S_GNT 0x4480 // WOL sleeper grant
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#define TYPE_MGMT_PROBE_RSP 0x0050
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#define TYPE_PKT_VNT_DIAG 0x1180 // Diag Pkt
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#define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt
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//
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// wFrameCtl field in the S802_11Header
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//
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// NOTE....
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// in network byte order, high byte is going first
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#define FC_TODS 0x0100
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#define FC_FROMDS 0x0200
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#define FC_MOREFRAG 0x0400
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#define FC_RETRY 0x0800
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#define FC_POWERMGT 0x1000
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#define FC_MOREDATA 0x2000
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#define FC_WEP 0x4000
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#define TYPE_802_11_ATIM 0x0090
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#define TYPE_802_11_DATA 0x0008
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#define TYPE_802_11_CTL 0x0004
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#define TYPE_802_11_MGMT 0x0000
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#define TYPE_802_11_MASK 0x000C
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#define TYPE_SUBTYPE_MASK 0x00FC
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#define TYPE_802_11_NODATA 0x0040
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#define TYPE_DATE_NULL 0x0048
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#define TYPE_CTL_PSPOLL 0x00a4
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#define TYPE_CTL_RTS 0x00b4
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#define TYPE_CTL_CTS 0x00c4
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#define TYPE_CTL_ACK 0x00d4
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//#define WEP_IV_MASK 0x00FFFFFF
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#endif //#ifdef __BIG_ENDIAN
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#define WEP_IV_MASK 0x00FFFFFF
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/*--------------------- Export Types ------------------------------*/
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//
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// Ethernet packet
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//
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typedef struct tagSEthernetHeader {
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BYTE abyDstAddr[ETH_ALEN];
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BYTE abySrcAddr[ETH_ALEN];
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WORD wType;
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}__attribute__ ((__packed__))
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SEthernetHeader, *PSEthernetHeader;
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//
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// 802_3 packet
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//
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typedef struct tagS802_3Header {
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BYTE abyDstAddr[ETH_ALEN];
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BYTE abySrcAddr[ETH_ALEN];
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WORD wLen;
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}__attribute__ ((__packed__))
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S802_3Header, *PS802_3Header;
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//
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// 802_11 packet
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//
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typedef struct tagS802_11Header {
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WORD wFrameCtl;
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WORD wDurationID;
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BYTE abyAddr1[ETH_ALEN];
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BYTE abyAddr2[ETH_ALEN];
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BYTE abyAddr3[ETH_ALEN];
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WORD wSeqCtl;
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BYTE abyAddr4[ETH_ALEN];
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}__attribute__ ((__packed__))
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S802_11Header, *PS802_11Header;
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/*--------------------- Export Macros ------------------------------*/
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// Frame type macro
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#define IS_MULTICAST_ADDRESS(pbyEtherAddr) \
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((*(PBYTE)(pbyEtherAddr) & 0x01) == 1)
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#define IS_BROADCAST_ADDRESS(pbyEtherAddr) ( \
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(*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) && \
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(*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \
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)
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#define IS_NULL_ADDRESS(pbyEtherAddr) ( \
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(*(PDWORD)(pbyEtherAddr) == 0L) && \
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(*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0) \
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)
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#define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) ( \
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(*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \
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(*(PWORD)((PBYTE)(pbyAddr1) + 4) == \
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*(PWORD)((PBYTE)(pbyAddr2) + 4)) \
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)
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/*--------------------- Export Classes ----------------------------*/
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/*--------------------- Export Variables --------------------------*/
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/*--------------------- Export Functions --------------------------*/
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BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
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//BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
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BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
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#endif // __TETHER_H__
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