📄 zd1205.c
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/* src/zd1205.c** ** Copyright (C) 2004 ZyDAS Inc. All Rights Reserved.* --------------------------------------------------------------------** ** The contents of this file are subject to the Mozilla Public* License Version 1.1 (the "License"); you may not use this file* except in compliance with the License. You may obtain a copy of* the License at http://www.mozilla.org/MPL/** Software distributed under the License is distributed on an "AS* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or* implied. See the License for the specific language governing* rights and limitations under the License.** Alternatively, the contents of this file may be used under the* terms of the GNU Public License version 2 (the "GPL"), in which* case the provisions of the GPL are applicable instead of the* above. If you wish to allow the use of your version of this file* only under the terms of the GPL and not to allow others to use* your version of this file under the MPL, indicate your decision* by deleting the provisions above and replace them with the notice* and other provisions required by the GPL. If you do not delete* the provisions above, a recipient may use your version of this* file under either the MPL or the GPL.** -------------------------------------------------------------------- */#define __KERNEL_SYSCALLS__#include <linux/config.h>#include <net/checksum.h>#include <linux/tcp.h>#include <linux/udp.h>#include <linux/fs.h>#include <linux/stat.h>#include "zd1205.h"#include "zdinlinef.h"#include "zddebug.h"#include "zddebug2.h"#include "menu_drv_macro.h"#include "zdhw.h"#include "zdsorts.h"#include "zdglobal.h"#include "zdutils.h"#include "zdpsmon.h"#include "zdsm.h"#ifdef HOST_IF_USB #include "zd1211.h"#endif#include "zdhci.h"#if WIRELESS_EXT > 12 #include <net/iw_handler.h>#endifextern U16 mTmRetryConnect;extern BOOLEAN mProbeWithSsid;extern u8 mMacMode;extern U8 mBssType;extern Element mSsid;extern Element dot11DesiredSsid;int errno;extern u8 mCurrConnUser;extern U8 mNumBOnlySta;/* ath_desc: reset auth/asoc states on init */extern U8 AuthReqState;extern U8 AsocState;extern u8 mBssNum;extern U8 mKeyFormat; //Init value: WEP64_USED(1)extern BOOLEAN mPrivacyInvoked; // Init value: FALSEextern U8 mKeyVector[4][16]; // Store WEP keyextern U8 mWepKeyLen;extern U8 mKeyId; // Init value: 0extern U16 mCap; // Init value: CAP_ESS(1);extern u16 CurrScanCH;extern MacAddr_t dot11MacAddress;extern BOOLEAN zd_CmdProbeReq(U8 bWithSSID);extern Hash_t *HashSearch(MacAddr_t *pMac);extern void re_initFdescBuf(void);/******************************************************************************* C O N S T A N T S********************************************************************************/static u8 ZD_SNAP_HEADER[6] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0x00};static u8 ZD_SNAP_BRIDGE_TUNNEL[6] = {0xAA, 0xAA, 0x03, 0x00, 0x00, 0xF8};static u8 zd_Snap_Apple_Type[] = {0xAA,0xAA,0x03,0x08,0x00,0x07,0x80,0x9b};static u16 IPX=0x8137;//static u16 NOVELL=0xe0e0; // currently not usedstatic u16 APPLE_TALK=0x80f3;static u16 EAPOL=0x888e;#define MAX_MULTICAST_ADDRS 32#define NUM_WEPKEYS 4#define bGroup(pWlanHdr) (pWlanHdr->Address1[0] & BIT_0)#define getSeq(pWlanHdr) (((u16)pWlanHdr->SeqCtrl[1] << 4) + (u16)((pWlanHdr->SeqCtrl[0] & 0xF0) >> 4))#define getFrag(pWlanHdr) (pWlanHdr->SeqCtrl[0] & 0x0F)#define getTA(pWlanHdr) (&pWlanHdr->Address2[0])#define isWDS(pWlanHdr) (((pWlanHdr->FrameCtrl[1] & TO_DS_FROM_DS) == TO_DS_FROM_DS) ? 1 : 0)#define bRetryBit(pWlanHdr) (pWlanHdr->FrameCtrl[1] & RETRY_BIT)#define bWepBit(pWlanHdr) (pWlanHdr->FrameCtrl[1] & ENCRY_BIT)#define bMoreFrag(pWlanHdr) (pWlanHdr->FrameCtrl[1] & MORE_FRAG)#define bMoreData(pWlanHdr) (pWlanHdr->FrameCtrl[1] & MORE_DATA)#define BaseFrameType(pWlanHdr) (pWlanHdr->FrameCtrl[0] & 0x0C)#define SubFrameType(pWlanHdr) (pWlanHdr->FrameCtrl[0])#define bDataMgtFrame(pWlanHdr) (((pWlanHdr->FrameCtrl[0] & 0x04) == 0))#ifndef HOST_IF_USB #define nowT() (zd_readl(TSF_LowPart)) //us unit#else #define nowT() (jiffies) //tick (10ms) unit#endif/******************************************************************************* F U N C T I O N D E C L A R A T I O N S********************************************************************************/#ifdef CONFIG_PROC_FSextern int zd1205_create_proc_subdir(struct zd1205_private *);extern void zd1205_remove_proc_subdir(struct zd1205_private *);#else #define zd1205_create_proc_subdir(X) 0 #define zd1205_remove_proc_subdir(X) do {} while(0)#endifstatic u32 channel_11A_to_Freq(const u32 channel);//static u32 Freq_11A_to_channel(const u32 freq);static unsigned char zd1205_alloc_space(struct zd1205_private *);unsigned char zd1205_init(struct zd1205_private *);static void zd1205_setup_tcb_pool(struct zd1205_private *macp);static void zd1205_config(struct zd1205_private *macp);static void zd1205_rd_eaddr(struct zd1205_private *);int zd1205_open(struct net_device *);int zd1205_close(struct net_device *);int zd1205_change_mtu(struct net_device *, int);int zd1205_set_mac(struct net_device *, void *);void zd1205_set_multi(struct net_device *);struct net_device_stats *zd1205_get_stats(struct net_device *);static int zd1205_alloc_tcb_pool(struct zd1205_private *);static void zd1205_free_tcb_pool(struct zd1205_private *);static int zd1205_alloc_rfd_pool(struct zd1205_private *);static void zd1205_free_rfd_pool(struct zd1205_private *);static void zd1205_clear_pools(struct zd1205_private *macp);zd1205_SwTcb_t * zd1205_first_txq(struct zd1205_private *macp, zd1205_SwTcbQ_t *Q);void zd1205_qlast_txq(struct zd1205_private *macp, zd1205_SwTcbQ_t *Q, zd1205_SwTcb_t *signal);static void zd1205_init_txq(struct zd1205_private *macp, zd1205_SwTcbQ_t *Q);#ifndef HOST_IF_USBstatic u8 zd1205_pci_setup(struct pci_dev *, struct zd1205_private *);static void zd1205_intr(int, void *, struct pt_regs *);static void zd1205_retry_failed(struct zd1205_private *);static void zd1205_dtim_notify(struct zd1205_private *);void zd1205_start_ru(struct zd1205_private *);u8 zd1205_RateAdaption(u16 aid, u8 CurrentRate, u8 gear);#elsestruct rx_list_elem *zd1205_start_ru(struct zd1205_private *);#endifu32 zd1205_rx_isr(struct zd1205_private *macp);void zd1205_tx_isr(struct zd1205_private *);static void zd1205_transmit_cleanup(struct zd1205_private *, zd1205_SwTcb_t *sw_tcb);static int zd1205_validate_frame(struct zd1205_private *macp, zd1205_RFD_t *rfd);int zd1205_xmit_frame(struct sk_buff *, struct net_device *);static void zd1205_dealloc_space(struct zd1205_private *macp);void zd1205_disable_int(void);void zd1205_enable_int(void);void zd1205_config_wep_keys(struct zd1205_private *macp);void HKeepingCB(struct net_device *dev);void zd1205_mgt_mon_cb(struct net_device *dev);void zd1205_process_wakeup(struct zd1205_private *macp);void zd1205_device_reset(struct zd1205_private *macp);int zd1205_DestPowerSave(struct zd1205_private *macp, u8 *pDestAddr);void zd1205_recycle_rx(struct zd1205_private *macp);//for 1211u8 CalculateStrength(struct zd1205_private *macp, zd1205_RFD_t *rfd);u8 CalculateQuality(struct zd1205_private *macp, zd1205_RFD_t *rfd, u8 *pQualityIndB);void zd1205_initCAM(struct zd1205_private *macp);int zd1205_CheckOverlapBss(struct zd1205_private *macp, plcp_wla_Header_t *pWlanHdr, u8 *pMacBody, u32 bodyLen);void zd1205_HandleQosRequest(struct zd1205_private *macp);void zd1205_SetRatesInfo(struct zd1205_private *macp);u8 X_To_dB(u32 X, u8 rate);u16 ZDLog10multiply100(int data);void zd1205_connect_mon(struct zd1205_private *macp);//wireless extension helper functionsvoid zd1205_lock(struct zd1205_private *macp);void zd1205_unlock(struct zd1205_private *macp);static int zd1205_ioctl_setiwencode(struct net_device *dev, struct iw_point *erq, char* key);static int zd1205_ioctl_getiwencode(struct net_device *dev, struct iw_point *erq, char* key);static int zd1205_ioctl_setessid(struct net_device *dev, struct iw_point *erq);static int zd1205_ioctl_setbssid(struct net_device *dev, struct iwreq *wrq);static int zd1205_ioctl_getessid(struct net_device *dev, struct iw_point *erq);static int zd1205_ioctl_setfreq(struct net_device *dev, struct iw_freq *frq);//static int zd1205_ioctl_setsens(struct net_device *dev, struct iw_param *srq);static int zd1205_ioctl_setrts(struct net_device *dev, struct iw_param *rrq);static int zd1205_ioctl_setfrag(struct net_device *dev, struct iw_param *frq);static int zd1205_ioctl_getfrag(struct net_device *dev, struct iw_param *frq);static int zd1205_ioctl_setrate(struct net_device *dev, struct iw_param *frq);static int zd1205_ioctl_getrate(struct net_device *dev, struct iw_param *frq);//static int zd1205_ioctl_settxpower(struct net_device *dev, struct iw_param *prq);//static int zd1205_ioctl_gettxpower(struct net_device *dev, struct iw_param *prq);static int zd1205_ioctl_setpower(struct net_device *dev, struct iw_param *prq);static int zd1205_ioctl_getpower(struct net_device *dev, struct iw_param *prq);static int zd1205_ioctl_setmode(struct net_device *dev, __u32 *mode);/* Wireless Extension Handler functions */static int zd1205wext_giwfreq(struct net_device *dev, struct iw_request_info *info, struct iw_freq *freq, char *extra);static int zd1205wext_siwmode(struct net_device *dev, struct iw_request_info *info, __u32 *mode, char *extra);static int zd1205wext_giwmode(struct net_device *dev, struct iw_request_info *info, __u32 *mode, char *extra);static int zd1205wext_giwrate(struct net_device *dev, struct iw_request_info *info, struct iw_param *rrq, char *extra);static int zd1205wext_giwrts(struct net_device *dev, struct iw_request_info *info, struct iw_param *rts, char *extra);static int zd1205wext_giwfrag(struct net_device *dev, struct iw_request_info *info, struct iw_param *frag, char *extra);//static int zd1205wext_giwtxpow(struct net_device *dev, struct iw_request_info *info, struct iw_param *rrq, char *extra);//static int zd1205wext_siwtxpow(struct net_device *dev, struct iw_request_info *info, struct iw_param *rrq, char *extra);static int zd1205wext_giwrange(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra);/* ath_desc: use new get_wireless_stats in 2.6.10+ */struct iw_statistics *zd1205wext_iw_get_stats(struct net_device *dev);/* ath_desc: add iwconfig commit support */#if WIRELESS_EXT > 12static int zd1205wext_commit(struct net_device *dev, struct iw_request_info *info, void *wrqu, char *extra);#endif#if WIRELESS_EXT > 13static int zd1205wext_siwscan(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra);static int zd1205wext_giwscan(struct net_device *dev, struct iw_request_info *info, struct iw_point *data, char *extra);#endif/* functions to support 802.11 protocol stack */void zdcb_rx_ind(U8 *pData, U32 length, void *buf);void zdcb_release_buffer(void *buf);void zdcb_tx_completed(void);void zdcb_start_timer(U32 timeout, U32 event);void zdcb_stop_timer(U32 TimerId);void zd1205_set_zd_cbs(zd_80211Obj_t *pObj);void zdcb_set_reg(void *reg, U32 offset, U32 value);void chal_tout_cb(unsigned long ptr);U32 zdcb_dis_intr(void);void zdcb_set_intr_mask(U32 flags);BOOLEAN zdcb_check_tcb_avail(U8 num_of_frag);BOOLEAN zdcb_setup_next_send(fragInfo_t *frag_info);void zd_CmdScanReq(u16 channel);void zd_ScanBegin(void);void zd_ScanEnd(void);U16 zdcb_status_notify(U16 status, U8 *StaAddr);U32 zdcb_vir_to_phy_addr(U32 virtAddr);U32 zdcb_get_reg(void *reg, U32 offset);void zdcb_delay_us(U16 ustime);int zdcb_Rand(U32 seed);/* For WPA supported functions */void zd1205_notify_join_event(struct zd1205_private *macp);void zd1205_notify_disjoin_event(struct zd1205_private *macp);void zd1205_notify_scan_done(struct zd1205_private *macp);BOOLEAN zd_CmdProbeReq(U8 ProbeWithSsid);/****************************************************************************** * P U B L I C D A T A********************************************************************************//* Global Data structures and variables */#ifndef HOST_IF_USBchar zd1205_copyright[] __devinitdata = "Copyright (c) 2002 Zydas Corporation";char zd1205_driver_version[]="0.0.1";const char *zd1205_full_driver_name = "Zydas ZD1205 Network Driver";char zd1205_short_driver_name[] = "zd1205";#endifconst char config_filename[] = "/etc/zd1211.conf";static BOOLEAN CustomMACSet = FALSE;static u8 CustomMAC[ETH_ALEN];static BOOLEAN AsocTimerStat = FALSE; //If the Asoc Timer is enabledzd1205_SwTcbQ_t free_txq_buf, active_txq_buf;struct net_device *g_dev;u8 *mTxOFDMType;zd_80211Obj_t dot11Obj = {0};/* ath_desc: fix for unaligned writes to skbs on bigendian platform *//* ath_old: #define RX_COPY_BREAK 0//1518 //we do bridge, don't care IP header alignment */#define RX_COPY_BREAK MAX_WLAN_SIZE#define BEFORE_BEACON 25/* Definition of Wireless Extension *//* * Structures to export the Wireless Handlers */typedef enum{ ZD_REGION_Default = 0x00,//All channel ZD_REGION_USA = 0x10,//G channel->ch1-11; ZD_REGION_Canada = 0x20,//G channel->ch1-11; ZD_REGION_Argentina = 0x21,//G channel->ch1-11; ZD_REGION_Brazil = 0x22,//G channel->ch1-11; ZD_REGION_Europe = 0x30,//G channel->ETSI ch1-13; ZD_REGION_Spain = 0x31,//G channel->ETSI ch1-13; ZD_REGION_France = 0x32,//G channel->ch10-13; ZD_REGION_Ukraine = 0x33,//G channel->ch1-11; ZD_REGION_AustriaBelgium = 0x34,//Austria and Belgium G channel->ch1-13;; ZD_REGION_Switzerland = 0x35,//G channel->ch1-13; ZD_REGION_Japan = 0x40,//G channel->ch1-14; ZD_REGION_Australia = 0x42,//G channel->ch1-13; ZD_REGION_China = 0x43,//G channel->ch1-11; ZD_REGION_HongKong = 0x44,//G channel->ch1-11; ZD_REGION_Korea = 0x45,//G channel->ch1-11; ZD_REGION_NewZealand = 0x46,//G channel->ch1-11; ZD_REGION_Singapore = 0x47,//G channel->ch10-13; ZD_REGION_Taiwan = 0x48,//G channel->ch1-13; ZD_REGION_Israel = 0x50,//G channel->ch3-9; ZD_REGION_Mexico = 0x51 //G channel->ch10,11;} ZD_REGION;struct iw_priv_args zd1205_private_args[] = { { SIOCIWFIRSTPRIV + 0x0, 0, 0, "list_bss" }, { SIOCIWFIRSTPRIV + 0x1, 0, 0, "card_reset" }, { SIOCIWFIRSTPRIV + 0x2, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_auth" }, /* 0 - open, 1 - shared key */ { SIOCIWFIRSTPRIV + 0x3, 0, IW_PRIV_TYPE_CHAR | 12, "get_auth" }, { SIOCIWFIRSTPRIV + 0x4, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_preamble" }, /* 0 - long, 1 - short */ { SIOCIWFIRSTPRIV + 0x5, 0, IW_PRIV_TYPE_CHAR | 6, "get_preamble" }, { SIOCIWFIRSTPRIV + 0x6, 0, 0, "cnt" }, { SIOCIWFIRSTPRIV + 0x7, 0, 0, "regs" }, { SIOCIWFIRSTPRIV + 0x8, 0, 0, "probe" }, /* ath_desc: reenable iwpriv dbg_flag */ { SIOCIWFIRSTPRIV + 0x10, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "dbg_flag" }, { SIOCIWFIRSTPRIV + 0xA, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "connect" }, { SIOCIWFIRSTPRIV + 0xB, IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_mac_mode" }, { SIOCIWFIRSTPRIV + 0xC, 0, IW_PRIV_TYPE_CHAR | 12, "get_mac_mode" }, { SIOCIWFIRSTPRIV + 0xD, 0, 0, "save_conf" /* has been removed */ }, { SIOCIWFIRSTPRIV + 0xE, 0, 0, "load_conf" /* has been removed */ }, { SIOCIWFIRSTPRIV + 0xF, 0, IW_PRIV_TYPE_CHAR | 14, "get_Region" }, { SIOCIWFIRSTPRIV + 0x9,IW_PRIV_TYPE_INT | IW_PRIV_SIZE_FIXED | 1, 0, "set_Region" }, };#if WIRELESS_EXT > 12static iw_handler zd1205wext_handler[] = { (iw_handler) zd1205wext_commit, /* SIOCSIWCOMMIT */ (iw_handler) NULL, /* SIOCGIWNAME */ (iw_handler) NULL, /* SIOCSIWNWID */ (iw_handler) NULL, /* SIOCGIWNWID */ (iw_handler) NULL, /* SIOCSIWFREQ */ (iw_handler) zd1205wext_giwfreq, /* SIOCGIWFREQ */ (iw_handler) NULL, /* SIOCSIWMODE */ (iw_handler) zd1205wext_giwmode, /* SIOCGIWMODE */ (iw_handler) NULL, /* SIOCSIWSENS */ (iw_handler) NULL, /* SIOCGIWSENS */ (iw_handler) NULL, /* not used */ /* SIOCSIWRANGE */ (iw_handler) zd1205wext_giwrange, /* SIOCGIWRANGE */ (iw_handler) NULL, /* not used */ /* SIOCSIWPRIV */ (iw_handler) NULL, /* kernel code */ /* SIOCGIWPRIV */ (iw_handler) NULL, /* not used */ /* SIOCSIWSTATS */ (iw_handler) NULL, /* kernel code */ /* SIOCGIWSTATS */ (iw_handler) NULL, /* SIOCSIWSPY */ (iw_handler) NULL, /* SIOCGIWSPY */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* SIOCSIWAP */ (iw_handler) NULL, /* SIOCGIWAP */ (iw_handler) NULL, /* -- hole -- */ (iw_handler) NULL, /* SIOCGIWAPLIST */#if WIRELESS_EXT > 13 (iw_handler) zd1205wext_siwscan, /* SIOCSIWSCAN */ (iw_handler) zd1205wext_giwscan, /* SIOCGIWSCAN */#else /* WIRELESS_EXT > 13 */ (iw_handler) NULL, /* null */ /* SIOCSIWSCAN */ (iw_handler) NULL, /* null */ /* SIOCGIWSCAN */#endif /* WIRELESS_EXT > 13 */ (iw_handler) NULL, /* SIOCSIWESSID */⌨️ 快捷键说明
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