From 30db0ca8bc78e9ba98c6c71edcd46ff6dd21cbf6 Mon Sep 17 00:00:00 2001 From: Kalle Valo Date: Tue, 17 Nov 2015 19:49:19 +0200 Subject: airo: move under cisco vendor directory Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo --- drivers/net/wireless/airo.c | 8236 ------------------------------------------- 1 file changed, 8236 deletions(-) delete mode 100644 drivers/net/wireless/airo.c (limited to 'drivers/net/wireless/airo.c') diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c deleted file mode 100644 index 17c40f06f13e..000000000000 --- a/drivers/net/wireless/airo.c +++ /dev/null @@ -1,8236 +0,0 @@ -/*====================================================================== - - Aironet driver for 4500 and 4800 series cards - - This code is released under both the GPL version 2 and BSD licenses. - Either license may be used. The respective licenses are found at - the end of this file. - - This code was developed by Benjamin Reed - including portions of which come from the Aironet PC4500 - Developer's Reference Manual and used with permission. Copyright - (C) 1999 Benjamin Reed. All Rights Reserved. Permission to use - code in the Developer's manual was granted for this driver by - Aironet. Major code contributions were received from Javier Achirica - and Jean Tourrilhes . - Code was also integrated from the Cisco Aironet driver for Linux. - Support for MPI350 cards was added by Fabrice Bellet - . - -======================================================================*/ - -#include -#include - -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include "airo.h" - -#define DRV_NAME "airo" - -#ifdef CONFIG_PCI -static const struct pci_device_id card_ids[] = { - { 0x14b9, 1, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x4500, PCI_ANY_ID, PCI_ANY_ID }, - { 0x14b9, 0x4800, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x0340, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x0350, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0x5000, PCI_ANY_ID, PCI_ANY_ID, }, - { 0x14b9, 0xa504, PCI_ANY_ID, PCI_ANY_ID, }, - { 0, } -}; -MODULE_DEVICE_TABLE(pci, card_ids); - -static int airo_pci_probe(struct pci_dev *, const struct pci_device_id *); -static void airo_pci_remove(struct pci_dev *); -static int airo_pci_suspend(struct pci_dev *pdev, pm_message_t state); -static int airo_pci_resume(struct pci_dev *pdev); - -static struct pci_driver airo_driver = { - .name = DRV_NAME, - .id_table = card_ids, - .probe = airo_pci_probe, - .remove = airo_pci_remove, - .suspend = airo_pci_suspend, - .resume = airo_pci_resume, -}; -#endif /* CONFIG_PCI */ - -/* Include Wireless Extension definition and check version - Jean II */ -#include -#define WIRELESS_SPY /* enable iwspy support */ - -#define CISCO_EXT /* enable Cisco extensions */ -#ifdef CISCO_EXT -#include -#endif - -/* Hack to do some power saving */ -#define POWER_ON_DOWN - -/* As you can see this list is HUGH! - I really don't know what a lot of these counts are about, but they - are all here for completeness. If the IGNLABEL macro is put in - infront of the label, that statistic will not be included in the list - of statistics in the /proc filesystem */ - -#define IGNLABEL(comment) NULL -static const char *statsLabels[] = { - "RxOverrun", - IGNLABEL("RxPlcpCrcErr"), - IGNLABEL("RxPlcpFormatErr"), - IGNLABEL("RxPlcpLengthErr"), - "RxMacCrcErr", - "RxMacCrcOk", - "RxWepErr", - "RxWepOk", - "RetryLong", - "RetryShort", - "MaxRetries", - "NoAck", - "NoCts", - "RxAck", - "RxCts", - "TxAck", - "TxRts", - "TxCts", - "TxMc", - "TxBc", - "TxUcFrags", - "TxUcPackets", - "TxBeacon", - "RxBeacon", - "TxSinColl", - "TxMulColl", - "DefersNo", - "DefersProt", - "DefersEngy", - "DupFram", - "RxFragDisc", - "TxAged", - "RxAged", - "LostSync-MaxRetry", - "LostSync-MissedBeacons", - "LostSync-ArlExceeded", - "LostSync-Deauth", - "LostSync-Disassoced", - "LostSync-TsfTiming", - "HostTxMc", - "HostTxBc", - "HostTxUc", - "HostTxFail", - "HostRxMc", - "HostRxBc", - "HostRxUc", - "HostRxDiscard", - IGNLABEL("HmacTxMc"), - IGNLABEL("HmacTxBc"), - IGNLABEL("HmacTxUc"), - IGNLABEL("HmacTxFail"), - IGNLABEL("HmacRxMc"), - IGNLABEL("HmacRxBc"), - IGNLABEL("HmacRxUc"), - IGNLABEL("HmacRxDiscard"), - IGNLABEL("HmacRxAccepted"), - "SsidMismatch", - "ApMismatch", - "RatesMismatch", - "AuthReject", - "AuthTimeout", - "AssocReject", - "AssocTimeout", - IGNLABEL("ReasonOutsideTable"), - IGNLABEL("ReasonStatus1"), - IGNLABEL("ReasonStatus2"), - IGNLABEL("ReasonStatus3"), - IGNLABEL("ReasonStatus4"), - IGNLABEL("ReasonStatus5"), - IGNLABEL("ReasonStatus6"), - IGNLABEL("ReasonStatus7"), - IGNLABEL("ReasonStatus8"), - IGNLABEL("ReasonStatus9"), - IGNLABEL("ReasonStatus10"), - IGNLABEL("ReasonStatus11"), - IGNLABEL("ReasonStatus12"), - IGNLABEL("ReasonStatus13"), - IGNLABEL("ReasonStatus14"), - IGNLABEL("ReasonStatus15"), - IGNLABEL("ReasonStatus16"), - IGNLABEL("ReasonStatus17"), - IGNLABEL("ReasonStatus18"), - IGNLABEL("ReasonStatus19"), - "RxMan", - "TxMan", - "RxRefresh", - "TxRefresh", - "RxPoll", - "TxPoll", - "HostRetries", - "LostSync-HostReq", - "HostTxBytes", - "HostRxBytes", - "ElapsedUsec", - "ElapsedSec", - "LostSyncBetterAP", - "PrivacyMismatch", - "Jammed", - "DiscRxNotWepped", - "PhyEleMismatch", - (char*)-1 }; -#ifndef RUN_AT -#define RUN_AT(x) (jiffies+(x)) -#endif - - -/* These variables are for insmod, since it seems that the rates - can only be set in setup_card. Rates should be a comma separated - (no spaces) list of rates (up to 8). */ - -static int rates[8]; -static char *ssids[3]; - -static int io[4]; -static int irq[4]; - -static -int maxencrypt /* = 0 */; /* The highest rate that the card can encrypt at. - 0 means no limit. For old cards this was 4 */ - -static int auto_wep /* = 0 */; /* If set, it tries to figure out the wep mode */ -static int aux_bap /* = 0 */; /* Checks to see if the aux ports are needed to read - the bap, needed on some older cards and buses. */ -static int adhoc; - -static int probe = 1; - -static kuid_t proc_kuid; -static int proc_uid /* = 0 */; - -static kgid_t proc_kgid; -static int proc_gid /* = 0 */; - -static int airo_perm = 0555; - -static int proc_perm = 0644; - -MODULE_AUTHOR("Benjamin Reed"); -MODULE_DESCRIPTION("Support for Cisco/Aironet 802.11 wireless ethernet cards. " - "Direct support for ISA/PCI/MPI cards and support for PCMCIA when used with airo_cs."); -MODULE_LICENSE("Dual BSD/GPL"); -MODULE_SUPPORTED_DEVICE("Aironet 4500, 4800 and Cisco 340/350"); -module_param_array(io, int, NULL, 0); -module_param_array(irq, int, NULL, 0); -module_param_array(rates, int, NULL, 0); -module_param_array(ssids, charp, NULL, 0); -module_param(auto_wep, int, 0); -MODULE_PARM_DESC(auto_wep, - "If non-zero, the driver will keep looping through the authentication options until an association is made. " - "The value of auto_wep is number of the wep keys to check. " - "A value of 2 will try using the key at index 0 and index 1."); -module_param(aux_bap, int, 0); -MODULE_PARM_DESC(aux_bap, - "If non-zero, the driver will switch into a mode that seems to work better for older cards with some older buses. " - "Before switching it checks that the switch is needed."); -module_param(maxencrypt, int, 0); -MODULE_PARM_DESC(maxencrypt, - "The maximum speed that the card can do encryption. " - "Units are in 512kbs. " - "Zero (default) means there is no limit. " - "Older cards used to be limited to 2mbs (4)."); -module_param(adhoc, int, 0); -MODULE_PARM_DESC(adhoc, "If non-zero, the card will start in adhoc mode."); -module_param(probe, int, 0); -MODULE_PARM_DESC(probe, "If zero, the driver won't start the card."); - -module_param(proc_uid, int, 0); -MODULE_PARM_DESC(proc_uid, "The uid that the /proc files will belong to."); -module_param(proc_gid, int, 0); -MODULE_PARM_DESC(proc_gid, "The gid that the /proc files will belong to."); -module_param(airo_perm, int, 0); -MODULE_PARM_DESC(airo_perm, "The permission bits of /proc/[driver/]aironet."); -module_param(proc_perm, int, 0); -MODULE_PARM_DESC(proc_perm, "The permission bits of the files in /proc"); - -/* This is a kind of sloppy hack to get this information to OUT4500 and - IN4500. I would be extremely interested in the situation where this - doesn't work though!!! */ -static int do8bitIO /* = 0 */; - -/* Return codes */ -#define SUCCESS 0 -#define ERROR -1 -#define NO_PACKET -2 - -/* Commands */ -#define NOP2 0x0000 -#define MAC_ENABLE 0x0001 -#define MAC_DISABLE 0x0002 -#define CMD_LOSE_SYNC 0x0003 /* Not sure what this does... */ -#define CMD_SOFTRESET 0x0004 -#define HOSTSLEEP 0x0005 -#define CMD_MAGIC_PKT 0x0006 -#define CMD_SETWAKEMASK 0x0007 -#define CMD_READCFG 0x0008 -#define CMD_SETMODE 0x0009 -#define CMD_ALLOCATETX 0x000a -#define CMD_TRANSMIT 0x000b -#define CMD_DEALLOCATETX 0x000c -#define NOP 0x0010 -#define CMD_WORKAROUND 0x0011 -#define CMD_ALLOCATEAUX 0x0020 -#define CMD_ACCESS 0x0021 -#define CMD_PCIBAP 0x0022 -#define CMD_PCIAUX 0x0023 -#define CMD_ALLOCBUF 0x0028 -#define CMD_GETTLV 0x0029 -#define CMD_PUTTLV 0x002a -#define CMD_DELTLV 0x002b -#define CMD_FINDNEXTTLV 0x002c -#define CMD_PSPNODES 0x0030 -#define CMD_SETCW 0x0031 -#define CMD_SETPCF 0x0032 -#define CMD_SETPHYREG 0x003e -#define CMD_TXTEST 0x003f -#define MAC_ENABLETX 0x0101 -#define CMD_LISTBSS 0x0103 -#define CMD_SAVECFG 0x0108 -#define CMD_ENABLEAUX 0x0111 -#define CMD_WRITERID 0x0121 -#define CMD_USEPSPNODES 0x0130 -#define MAC_ENABLERX 0x0201 - -/* Command errors */ -#define ERROR_QUALIF 0x00 -#define ERROR_ILLCMD 0x01 -#define ERROR_ILLFMT 0x02 -#define ERROR_INVFID 0x03 -#define ERROR_INVRID 0x04 -#define ERROR_LARGE 0x05 -#define ERROR_NDISABL 0x06 -#define ERROR_ALLOCBSY 0x07 -#define ERROR_NORD 0x0B -#define ERROR_NOWR 0x0C -#define ERROR_INVFIDTX 0x0D -#define ERROR_TESTACT 0x0E -#define ERROR_TAGNFND 0x12 -#define ERROR_DECODE 0x20 -#define ERROR_DESCUNAV 0x21 -#define ERROR_BADLEN 0x22 -#define ERROR_MODE 0x80 -#define ERROR_HOP 0x81 -#define ERROR_BINTER 0x82 -#define ERROR_RXMODE 0x83 -#define ERROR_MACADDR 0x84 -#define ERROR_RATES 0x85 -#define ERROR_ORDER 0x86 -#define ERROR_SCAN 0x87 -#define ERROR_AUTH 0x88 -#define ERROR_PSMODE 0x89 -#define ERROR_RTYPE 0x8A -#define ERROR_DIVER 0x8B -#define ERROR_SSID 0x8C -#define ERROR_APLIST 0x8D -#define ERROR_AUTOWAKE 0x8E -#define ERROR_LEAP 0x8F - -/* Registers */ -#define COMMAND 0x00 -#define PARAM0 0x02 -#define PARAM1 0x04 -#define PARAM2 0x06 -#define STATUS 0x08 -#define RESP0 0x0a -#define RESP1 0x0c -#define RESP2 0x0e -#define LINKSTAT 0x10 -#define SELECT0 0x18 -#define OFFSET0 0x1c -#define RXFID 0x20 -#define TXALLOCFID 0x22 -#define TXCOMPLFID 0x24 -#define DATA0 0x36 -#define EVSTAT 0x30 -#define EVINTEN 0x32 -#define EVACK 0x34 -#define SWS0 0x28 -#define SWS1 0x2a -#define SWS2 0x2c -#define SWS3 0x2e -#define AUXPAGE 0x3A -#define AUXOFF 0x3C -#define AUXDATA 0x3E - -#define FID_TX 1 -#define FID_RX 2 -/* Offset into aux memory for descriptors */ -#define AUX_OFFSET 0x800 -/* Size of allocated packets */ -#define PKTSIZE 1840 -#define RIDSIZE 2048 -/* Size of the transmit queue */ -#define MAXTXQ 64 - -/* BAP selectors */ -#define BAP0 0 /* Used for receiving packets */ -#define BAP1 2 /* Used for xmiting packets and working with RIDS */ - -/* Flags */ -#define COMMAND_BUSY 0x8000 - -#define BAP_BUSY 0x8000 -#define BAP_ERR 0x4000 -#define BAP_DONE 0x2000 - -#define PROMISC 0xffff -#define NOPROMISC 0x0000 - -#define EV_CMD 0x10 -#define EV_CLEARCOMMANDBUSY 0x4000 -#define EV_RX 0x01 -#define EV_TX 0x02 -#define EV_TXEXC 0x04 -#define EV_ALLOC 0x08 -#define EV_LINK 0x80 -#define EV_AWAKE 0x100 -#define EV_TXCPY 0x400 -#define EV_UNKNOWN 0x800 -#define EV_MIC 0x1000 /* Message Integrity Check Interrupt */ -#define EV_AWAKEN 0x2000 -#define STATUS_INTS (EV_AWAKE|EV_LINK|EV_TXEXC|EV_TX|EV_TXCPY|EV_RX|EV_MIC) - -#ifdef CHECK_UNKNOWN_INTS -#define IGNORE_INTS ( EV_CMD | EV_UNKNOWN) -#else -#define IGNORE_INTS (~STATUS_INTS) -#endif - -/* RID TYPES */ -#define RID_RW 0x20 - -/* The RIDs */ -#define RID_CAPABILITIES 0xFF00 -#define RID_APINFO 0xFF01 -#define RID_RADIOINFO 0xFF02 -#define RID_UNKNOWN3 0xFF03 -#define RID_RSSI 0xFF04 -#define RID_CONFIG 0xFF10 -#define RID_SSID 0xFF11 -#define RID_APLIST 0xFF12 -#define RID_DRVNAME 0xFF13 -#define RID_ETHERENCAP 0xFF14 -#define RID_WEP_TEMP 0xFF15 -#define RID_WEP_PERM 0xFF16 -#define RID_MODULATION 0xFF17 -#define RID_OPTIONS 0xFF18 -#define RID_ACTUALCONFIG 0xFF20 /*readonly*/ -#define RID_FACTORYCONFIG 0xFF21 -#define RID_UNKNOWN22 0xFF22 -#define RID_LEAPUSERNAME 0xFF23 -#define RID_LEAPPASSWORD 0xFF24 -#define RID_STATUS 0xFF50 -#define RID_BEACON_HST 0xFF51 -#define RID_BUSY_HST 0xFF52 -#define RID_RETRIES_HST 0xFF53 -#define RID_UNKNOWN54 0xFF54 -#define RID_UNKNOWN55 0xFF55 -#define RID_UNKNOWN56 0xFF56 -#define RID_MIC 0xFF57 -#define RID_STATS16 0xFF60 -#define RID_STATS16DELTA 0xFF61 -#define RID_STATS16DELTACLEAR 0xFF62 -#define RID_STATS 0xFF68 -#define RID_STATSDELTA 0xFF69 -#define RID_STATSDELTACLEAR 0xFF6A -#define RID_ECHOTEST_RID 0xFF70 -#define RID_ECHOTEST_RESULTS 0xFF71 -#define RID_BSSLISTFIRST 0xFF72 -#define RID_BSSLISTNEXT 0xFF73 -#define RID_WPA_BSSLISTFIRST 0xFF74 -#define RID_WPA_BSSLISTNEXT 0xFF75 - -typedef struct { - u16 cmd; - u16 parm0; - u16 parm1; - u16 parm2; -} Cmd; - -typedef struct { - u16 status; - u16 rsp0; - u16 rsp1; - u16 rsp2; -} Resp; - -/* - * Rids and endian-ness: The Rids will always be in cpu endian, since - * this all the patches from the big-endian guys end up doing that. - * so all rid access should use the read/writeXXXRid routines. - */ - -/* This structure came from an email sent to me from an engineer at - aironet for inclusion into this driver */ -typedef struct WepKeyRid WepKeyRid; -struct WepKeyRid { - __le16 len; - __le16 kindex; - u8 mac[ETH_ALEN]; - __le16 klen; - u8 key[16]; -} __packed; - -/* These structures are from the Aironet's PC4500 Developers Manual */ -typedef struct Ssid Ssid; -struct Ssid { - __le16 len; - u8 ssid[32]; -} __packed; - -typedef struct SsidRid SsidRid; -struct SsidRid { - __le16 len; - Ssid ssids[3]; -} __packed; - -typedef struct ModulationRid ModulationRid; -struct ModulationRid { - __le16 len; - __le16 modulation; -#define MOD_DEFAULT cpu_to_le16(0) -#define MOD_CCK cpu_to_le16(1) -#define MOD_MOK cpu_to_le16(2) -} __packed; - -typedef struct ConfigRid ConfigRid; -struct ConfigRid { - __le16 len; /* sizeof(ConfigRid) */ - __le16 opmode; /* operating mode */ -#define MODE_STA_IBSS cpu_to_le16(0) -#define MODE_STA_ESS cpu_to_le16(1) -#define MODE_AP cpu_to_le16(2) -#define MODE_AP_RPTR cpu_to_le16(3) -#define MODE_CFG_MASK cpu_to_le16(0xff) -#define MODE_ETHERNET_HOST cpu_to_le16(0<<8) /* rx payloads converted */ -#define MODE_LLC_HOST cpu_to_le16(1<<8) /* rx payloads left as is */ -#define MODE_AIRONET_EXTEND cpu_to_le16(1<<9) /* enable Aironet extenstions */ -#define MODE_AP_INTERFACE cpu_to_le16(1<<10) /* enable ap interface extensions */ -#define MODE_ANTENNA_ALIGN cpu_to_le16(1<<11) /* enable antenna alignment */ -#define MODE_ETHER_LLC cpu_to_le16(1<<12) /* enable ethernet LLC */ -#define MODE_LEAF_NODE cpu_to_le16(1<<13) /* enable leaf node bridge */ -#define MODE_CF_POLLABLE cpu_to_le16(1<<14) /* enable CF pollable */ -#define MODE_MIC cpu_to_le16(1<<15) /* enable MIC */ - __le16 rmode; /* receive mode */ -#define RXMODE_BC_MC_ADDR cpu_to_le16(0) -#define RXMODE_BC_ADDR cpu_to_le16(1) /* ignore multicasts */ -#define RXMODE_ADDR cpu_to_le16(2) /* ignore multicast and broadcast */ -#define RXMODE_RFMON cpu_to_le16(3) /* wireless monitor mode */ -#define RXMODE_RFMON_ANYBSS cpu_to_le16(4) -#define RXMODE_LANMON cpu_to_le16(5) /* lan style monitor -- data packets only */ -#define RXMODE_MASK cpu_to_le16(255) -#define RXMODE_DISABLE_802_3_HEADER cpu_to_le16(1<<8) /* disables 802.3 header on rx */ -#define RXMODE_FULL_MASK (RXMODE_MASK | RXMODE_DISABLE_802_3_HEADER) -#define RXMODE_NORMALIZED_RSSI cpu_to_le16(1<<9) /* return normalized RSSI */ - __le16 fragThresh; - __le16 rtsThres; - u8 macAddr[ETH_ALEN]; - u8 rates[8]; - __le16 shortRetryLimit; - __le16 longRetryLimit; - __le16 txLifetime; /* in kusec */ - __le16 rxLifetime; /* in kusec */ - __le16 stationary; - __le16 ordering; - __le16 u16deviceType; /* for overriding device type */ - __le16 cfpRate; - __le16 cfpDuration; - __le16 _reserved1[3]; - /*---------- Scanning/Associating ----------*/ - __le16 scanMode; -#define SCANMODE_ACTIVE cpu_to_le16(0) -#define SCANMODE_PASSIVE cpu_to_le16(1) -#define SCANMODE_AIROSCAN cpu_to_le16(2) - __le16 probeDelay; /* in kusec */ - __le16 probeEnergyTimeout; /* in kusec */ - __le16 probeResponseTimeout; - __le16 beaconListenTimeout; - __le16 joinNetTimeout; - __le16 authTimeout; - __le16 authType; -#define AUTH_OPEN cpu_to_le16(0x1) -#define AUTH_ENCRYPT cpu_to_le16(0x101) -#define AUTH_SHAREDKEY cpu_to_le16(0x102) -#define AUTH_ALLOW_UNENCRYPTED cpu_to_le16(0x200) - __le16 associationTimeout; - __le16 specifiedApTimeout; - __le16 offlineScanInterval; - __le16 offlineScanDuration; - __le16 linkLossDelay; - __le16 maxBeaconLostTime; - __le16 refreshInterval; -#define DISABLE_REFRESH cpu_to_le16(0xFFFF) - __le16 _reserved1a[1]; - /*---------- Power save operation ----------*/ - __le16 powerSaveMode; -#define POWERSAVE_CAM cpu_to_le16(0) -#define POWERSAVE_PSP cpu_to_le16(1) -#define POWERSAVE_PSPCAM cpu_to_le16(2) - __le16 sleepForDtims; - __le16 listenInterval; - __le16 fastListenInterval; - __le16 listenDecay; - __le16 fastListenDelay; - __le16 _reserved2[2]; - /*---------- Ap/Ibss config items ----------*/ - __le16 beaconPeriod; - __le16 atimDuration; - __le16 hopPeriod; - __le16 channelSet; - __le16 channel; - __le16 dtimPeriod; - __le16 bridgeDistance; - __le16 radioID; - /*---------- Radio configuration ----------*/ - __le16 radioType; -#define RADIOTYPE_DEFAULT cpu_to_le16(0) -#define RADIOTYPE_802_11 cpu_to_le16(1) -#define RADIOTYPE_LEGACY cpu_to_le16(2) - u8 rxDiversity; - u8 txDiversity; - __le16 txPower; -#define TXPOWER_DEFAULT 0 - __le16 rssiThreshold; -#define RSSI_DEFAULT 0 - __le16 modulation; -#define PREAMBLE_AUTO cpu_to_le16(0) -#define PREAMBLE_LONG cpu_to_le16(1) -#define PREAMBLE_SHORT cpu_to_le16(2) - __le16 preamble; - __le16 homeProduct; - __le16 radioSpecific; - /*---------- Aironet Extensions ----------*/ - u8 nodeName[16]; - __le16 arlThreshold; - __le16 arlDecay; - __le16 arlDelay; - __le16 _reserved4[1]; - /*---------- Aironet Extensions ----------*/ - u8 magicAction; -#define MAGIC_ACTION_STSCHG 1 -#define MAGIC_ACTION_RESUME 2 -#define MAGIC_IGNORE_MCAST (1<<8) -#define MAGIC_IGNORE_BCAST (1<<9) -#define MAGIC_SWITCH_TO_PSP (0<<10) -#define MAGIC_STAY_IN_CAM (1<<10) - u8 magicControl; - __le16 autoWake; -} __packed; - -typedef struct StatusRid StatusRid; -struct StatusRid { - __le16 len; - u8 mac[ETH_ALEN]; - __le16 mode; - __le16 errorCode; - __le16 sigQuality; - __le16 SSIDlen; - char SSID[32]; - char apName[16]; - u8 bssid[4][ETH_ALEN]; - __le16 beaconPeriod; - __le16 dimPeriod; - __le16 atimDuration; - __le16 hopPeriod; - __le16 channelSet; - __le16 channel; - __le16 hopsToBackbone; - __le16 apTotalLoad; - __le16 generatedLoad; - __le16 accumulatedArl; - __le16 signalQuality; - __le16 currentXmitRate; - __le16 apDevExtensions; - __le16 normalizedSignalStrength; - __le16 shortPreamble; - u8 apIP[4]; - u8 noisePercent; /* Noise percent in last second */ - u8 noisedBm; /* Noise dBm in last second */ - u8 noiseAvePercent; /* Noise percent in last minute */ - u8 noiseAvedBm; /* Noise dBm in last minute */ - u8 noiseMaxPercent; /* Highest noise percent in last minute */ - u8 noiseMaxdBm; /* Highest noise dbm in last minute */ - __le16 load; - u8 carrier[4]; - __le16 assocStatus; -#define STAT_NOPACKETS 0 -#define STAT_NOCARRIERSET 10 -#define STAT_GOTCARRIERSET 11 -#define STAT_WRONGSSID 20 -#define STAT_BADCHANNEL 25 -#define STAT_BADBITRATES 30 -#define STAT_BADPRIVACY 35 -#define STAT_APFOUND 40 -#define STAT_APREJECTED 50 -#define STAT_AUTHENTICATING 60 -#define STAT_DEAUTHENTICATED 61 -#define STAT_AUTHTIMEOUT 62 -#define STAT_ASSOCIATING 70 -#define STAT_DEASSOCIATED 71 -#define STAT_ASSOCTIMEOUT 72 -#define STAT_NOTAIROAP 73 -#define STAT_ASSOCIATED 80 -#define STAT_LEAPING 90 -#define STAT_LEAPFAILED 91 -#define STAT_LEAPTIMEDOUT 92 -#define STAT_LEAPCOMPLETE 93 -} __packed; - -typedef struct StatsRid StatsRid; -struct StatsRid { - __le16 len; - __le16 spacer; - __le32 vals[100]; -} __packed; - -typedef struct APListRid APListRid; -struct APListRid { - __le16 len; - u8 ap[4][ETH_ALEN]; -} __packed; - -typedef struct CapabilityRid CapabilityRid; -struct CapabilityRid { - __le16 len; - char oui[3]; - char zero; - __le16 prodNum; - char manName[32]; - char prodName[16]; - char prodVer[8]; - char factoryAddr[ETH_ALEN]; - char aironetAddr[ETH_ALEN]; - __le16 radioType; - __le16 country; - char callid[ETH_ALEN]; - char supportedRates[8]; - char rxDiversity; - char txDiversity; - __le16 txPowerLevels[8]; - __le16 hardVer; - __le16 hardCap; - __le16 tempRange; - __le16 softVer; - __le16 softSubVer; - __le16 interfaceVer; - __le16 softCap; - __le16 bootBlockVer; - __le16 requiredHard; - __le16 extSoftCap; -} __packed; - -/* Only present on firmware >= 5.30.17 */ -typedef struct BSSListRidExtra BSSListRidExtra; -struct BSSListRidExtra { - __le16 unknown[4]; - u8 fixed[12]; /* WLAN management frame */ - u8 iep[624]; -} __packed; - -typedef struct BSSListRid BSSListRid; -struct BSSListRid { - __le16 len; - __le16 index; /* First is 0 and 0xffff means end of list */ -#define RADIO_FH 1 /* Frequency hopping radio type */ -#define RADIO_DS 2 /* Direct sequence radio type */ -#define RADIO_TMA 4 /* Proprietary radio used in old cards (2500) */ - __le16 radioType; - u8 bssid[ETH_ALEN]; /* Mac address of the BSS */ - u8 zero; - u8 ssidLen; - u8 ssid[32]; - __le16 dBm; -#define CAP_ESS cpu_to_le16(1<<0) -#define CAP_IBSS cpu_to_le16(1<<1) -#define CAP_PRIVACY cpu_to_le16(1<<4) -#define CAP_SHORTHDR cpu_to_le16(1<<5) - __le16 cap; - __le16 beaconInterval; - u8 rates[8]; /* Same as rates for config rid */ - struct { /* For frequency hopping only */ - __le16 dwell; - u8 hopSet; - u8 hopPattern; - u8 hopIndex; - u8 fill; - } fh; - __le16 dsChannel; - __le16 atimWindow; - - /* Only present on firmware >= 5.30.17 */ - BSSListRidExtra extra; -} __packed; - -typedef struct { - BSSListRid bss; - struct list_head list; -} BSSListElement; - -typedef struct tdsRssiEntry tdsRssiEntry; -struct tdsRssiEntry { - u8 rssipct; - u8 rssidBm; -} __packed; - -typedef struct tdsRssiRid tdsRssiRid; -struct tdsRssiRid { - u16 len; - tdsRssiEntry x[256]; -} __packed; - -typedef struct MICRid MICRid; -struct MICRid { - __le16 len; - __le16 state; - __le16 multicastValid; - u8 multicast[16]; - __le16 unicastValid; - u8 unicast[16]; -} __packed; - -typedef struct MICBuffer MICBuffer; -struct MICBuffer { - __be16 typelen; - - union { - u8 snap[8]; - struct { - u8 dsap; - u8 ssap; - u8 control; - u8 orgcode[3]; - u8 fieldtype[2]; - } llc; - } u; - __be32 mic; - __be32 seq; -} __packed; - -typedef struct { - u8 da[ETH_ALEN]; - u8 sa[ETH_ALEN]; -} etherHead; - -#define TXCTL_TXOK (1<<1) /* report if tx is ok */ -#define TXCTL_TXEX (1<<2) /* report if tx fails */ -#define TXCTL_802_3 (0<<3) /* 802.3 packet */ -#define TXCTL_802_11 (1<<3) /* 802.11 mac packet */ -#define TXCTL_ETHERNET (0<<4) /* payload has ethertype */ -#define TXCTL_LLC (1<<4) /* payload is llc */ -#define TXCTL_RELEASE (0<<5) /* release after completion */ -#define TXCTL_NORELEASE (1<<5) /* on completion returns to host */ - -#define BUSY_FID 0x10000 - -#ifdef CISCO_EXT -#define AIROMAGIC 0xa55a -/* Warning : SIOCDEVPRIVATE may disapear during 2.5.X - Jean II */ -#ifdef SIOCIWFIRSTPRIV -#ifdef SIOCDEVPRIVATE -#define AIROOLDIOCTL SIOCDEVPRIVATE -#define AIROOLDIDIFC AIROOLDIOCTL + 1 -#endif /* SIOCDEVPRIVATE */ -#else /* SIOCIWFIRSTPRIV */ -#define SIOCIWFIRSTPRIV SIOCDEVPRIVATE -#endif /* SIOCIWFIRSTPRIV */ -/* This may be wrong. When using the new SIOCIWFIRSTPRIV range, we probably - * should use only "GET" ioctls (last bit set to 1). "SET" ioctls are root - * only and don't return the modified struct ifreq to the application which - * is usually a problem. - Jean II */ -#define AIROIOCTL SIOCIWFIRSTPRIV -#define AIROIDIFC AIROIOCTL + 1 - -/* Ioctl constants to be used in airo_ioctl.command */ - -#define AIROGCAP 0 // Capability rid -#define AIROGCFG 1 // USED A LOT -#define AIROGSLIST 2 // System ID list -#define AIROGVLIST 3 // List of specified AP's -#define AIROGDRVNAM 4 // NOTUSED -#define AIROGEHTENC 5 // NOTUSED -#define AIROGWEPKTMP 6 -#define AIROGWEPKNV 7 -#define AIROGSTAT 8 -#define AIROGSTATSC32 9 -#define AIROGSTATSD32 10 -#define AIROGMICRID 11 -#define AIROGMICSTATS 12 -#define AIROGFLAGS 13 -#define AIROGID 14 -#define AIRORRID 15 -#define AIRORSWVERSION 17 - -/* Leave gap of 40 commands after AIROGSTATSD32 for future */ - -#define AIROPCAP AIROGSTATSD32 + 40 -#define AIROPVLIST AIROPCAP + 1 -#define AIROPSLIST AIROPVLIST + 1 -#define AIROPCFG AIROPSLIST + 1 -#define AIROPSIDS AIROPCFG + 1 -#define AIROPAPLIST AIROPSIDS + 1 -#define AIROPMACON AIROPAPLIST + 1 /* Enable mac */ -#define AIROPMACOFF AIROPMACON + 1 /* Disable mac */ -#define AIROPSTCLR AIROPMACOFF + 1 -#define AIROPWEPKEY AIROPSTCLR + 1 -#define AIROPWEPKEYNV AIROPWEPKEY + 1 -#define AIROPLEAPPWD AIROPWEPKEYNV + 1 -#define AIROPLEAPUSR AIROPLEAPPWD + 1 - -/* Flash codes */ - -#define AIROFLSHRST AIROPWEPKEYNV + 40 -#define AIROFLSHGCHR AIROFLSHRST + 1 -#define AIROFLSHSTFL AIROFLSHGCHR + 1 -#define AIROFLSHPCHR AIROFLSHSTFL + 1 -#define AIROFLPUTBUF AIROFLSHPCHR + 1 -#define AIRORESTART AIROFLPUTBUF + 1 - -#define FLASHSIZE 32768 -#define AUXMEMSIZE (256 * 1024) - -typedef struct aironet_ioctl { - unsigned short command; // What to do - unsigned short len; // Len of data - unsigned short ridnum; // rid number - unsigned char __user *data; // d-data -} aironet_ioctl; - -static const char swversion[] = "2.1"; -#endif /* CISCO_EXT */ - -#define NUM_MODULES 2 -#define MIC_MSGLEN_MAX 2400 -#define EMMH32_MSGLEN_MAX MIC_MSGLEN_MAX -#define AIRO_DEF_MTU 2312 - -typedef struct { - u32 size; // size - u8 enabled; // MIC enabled or not - u32 rxSuccess; // successful packets received - u32 rxIncorrectMIC; // pkts dropped due to incorrect MIC comparison - u32 rxNotMICed; // pkts dropped due to not being MIC'd - u32 rxMICPlummed; // pkts dropped due to not having a MIC plummed - u32 rxWrongSequence; // pkts dropped due to sequence number violation - u32 reserve[32]; -} mic_statistics; - -typedef struct { - u32 coeff[((EMMH32_MSGLEN_MAX)+3)>>2]; - u64 accum; // accumulated mic, reduced to u32 in final() - int position; // current position (byte offset) in message - union { - u8 d8[4]; - __be32 d32; - } part; // saves partial message word across update() calls -} emmh32_context; - -typedef struct { - emmh32_context seed; // Context - the seed - u32 rx; // Received sequence number - u32 tx; // Tx sequence number - u32 window; // Start of window - u8 valid; // Flag to say if context is valid or not - u8 key[16]; -} miccntx; - -typedef struct { - miccntx mCtx; // Multicast context - miccntx uCtx; // Unicast context -} mic_module; - -typedef struct { - unsigned int rid: 16; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} Rid; - -typedef struct { - unsigned int offset: 15; - unsigned int eoc: 1; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} TxFid; - -struct rx_hdr { - __le16 status, len; - u8 rssi[2]; - u8 rate; - u8 freq; - __le16 tmp[4]; -} __packed; - -typedef struct { - unsigned int ctl: 15; - unsigned int rdy: 1; - unsigned int len: 15; - unsigned int valid: 1; - dma_addr_t host_addr; -} RxFid; - -/* - * Host receive descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - desc */ - RxFid rx_desc; /* card receive descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ - int pending; -} HostRxDesc; - -/* - * Host transmit descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - desc */ - TxFid tx_desc; /* card transmit descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ - int pending; -} HostTxDesc; - -/* - * Host RID descriptor - */ -typedef struct { - unsigned char __iomem *card_ram_off; /* offset into card memory of the - descriptor */ - Rid rid_desc; /* card RID descriptor */ - char *virtual_host_addr; /* virtual address of host receive - buffer */ -} HostRidDesc; - -typedef struct { - u16 sw0; - u16 sw1; - u16 status; - u16 len; -#define HOST_SET (1 << 0) -#define HOST_INT_TX (1 << 1) /* Interrupt on successful TX */ -#define HOST_INT_TXERR (1 << 2) /* Interrupt on unseccessful TX */ -#define HOST_LCC_PAYLOAD (1 << 4) /* LLC payload, 0 = Ethertype */ -#define HOST_DONT_RLSE (1 << 5) /* Don't release buffer when done */ -#define HOST_DONT_RETRY (1 << 6) /* Don't retry trasmit */ -#define HOST_CLR_AID (1 << 7) /* clear AID failure */ -#define HOST_RTS (1 << 9) /* Force RTS use */ -#define HOST_SHORT (1 << 10) /* Do short preamble */ - u16 ctl; - u16 aid; - u16 retries; - u16 fill; -} TxCtlHdr; - -typedef struct { - u16 ctl; - u16 duration; - char addr1[6]; - char addr2[6]; - char addr3[6]; - u16 seq; - char addr4[6]; -} WifiHdr; - - -typedef struct { - TxCtlHdr ctlhdr; - u16 fill1; - u16 fill2; - WifiHdr wifihdr; - u16 gaplen; - u16 status; -} WifiCtlHdr; - -static WifiCtlHdr wifictlhdr8023 = { - .ctlhdr = { - .ctl = HOST_DONT_RLSE, - } -}; - -// A few details needed for WEP (Wireless Equivalent Privacy) -#define MAX_KEY_SIZE 13 // 128 (?) bits -#define MIN_KEY_SIZE 5 // 40 bits RC4 - WEP -typedef struct wep_key_t { - u16 len; - u8 key[16]; /* 40-bit and 104-bit keys */ -} wep_key_t; - -/* List of Wireless Handlers (new API) */ -static const struct iw_handler_def airo_handler_def; - -static const char version[] = "airo.c 0.6 (Ben Reed & Javier Achirica)"; - -struct airo_info; - -static int get_dec_u16( char *buffer, int *start, int limit ); -static void OUT4500( struct airo_info *, u16 register, u16 value ); -static unsigned short IN4500( struct airo_info *, u16 register ); -static u16 setup_card(struct airo_info*, u8 *mac, int lock); -static int enable_MAC(struct airo_info *ai, int lock); -static void disable_MAC(struct airo_info *ai, int lock); -static void enable_interrupts(struct airo_info*); -static void disable_interrupts(struct airo_info*); -static u16 issuecommand(struct airo_info*, Cmd *pCmd, Resp *pRsp); -static int bap_setup(struct airo_info*, u16 rid, u16 offset, int whichbap); -static int aux_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); -static int fast_bap_read(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); -static int bap_write(struct airo_info*, const __le16 *pu16Src, int bytelen, - int whichbap); -static int PC4500_accessrid(struct airo_info*, u16 rid, u16 accmd); -static int PC4500_readrid(struct airo_info*, u16 rid, void *pBuf, int len, int lock); -static int PC4500_writerid(struct airo_info*, u16 rid, const void - *pBuf, int len, int lock); -static int do_writerid( struct airo_info*, u16 rid, const void *rid_data, - int len, int dummy ); -static u16 transmit_allocate(struct airo_info*, int lenPayload, int raw); -static int transmit_802_3_packet(struct airo_info*, int len, char *pPacket); -static int transmit_802_11_packet(struct airo_info*, int len, char *pPacket); - -static int mpi_send_packet (struct net_device *dev); -static void mpi_unmap_card(struct pci_dev *pci); -static void mpi_receive_802_3(struct airo_info *ai); -static void mpi_receive_802_11(struct airo_info *ai); -static int waitbusy (struct airo_info *ai); - -static irqreturn_t airo_interrupt( int irq, void* dev_id); -static int airo_thread(void *data); -static void timer_func( struct net_device *dev ); -static int airo_ioctl(struct net_device *dev, struct ifreq *rq, int cmd); -static struct iw_statistics *airo_get_wireless_stats (struct net_device *dev); -static void airo_read_wireless_stats (struct airo_info *local); -#ifdef CISCO_EXT -static int readrids(struct net_device *dev, aironet_ioctl *comp); -static int writerids(struct net_device *dev, aironet_ioctl *comp); -static int flashcard(struct net_device *dev, aironet_ioctl *comp); -#endif /* CISCO_EXT */ -static void micinit(struct airo_info *ai); -static int micsetup(struct airo_info *ai); -static int encapsulate(struct airo_info *ai, etherHead *pPacket, MICBuffer *buffer, int len); -static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *pPacket, u16 payLen); - -static u8 airo_rssi_to_dbm (tdsRssiEntry *rssi_rid, u8 rssi); -static u8 airo_dbm_to_pct (tdsRssiEntry *rssi_rid, u8 dbm); - -static void airo_networks_free(struct airo_info *ai); - -struct airo_info { - struct net_device *dev; - struct list_head dev_list; - /* Note, we can have MAX_FIDS outstanding. FIDs are 16-bits, so we - use the high bit to mark whether it is in use. */ -#define MAX_FIDS 6 -#define MPI_MAX_FIDS 1 - u32 fids[MAX_FIDS]; - ConfigRid config; - char keyindex; // Used with auto wep - char defindex; // Used with auto wep - struct proc_dir_entry *proc_entry; - spinlock_t aux_lock; -#define FLAG_RADIO_OFF 0 /* User disabling of MAC */ -#define FLAG_RADIO_DOWN 1 /* ifup/ifdown disabling of MAC */ -#define FLAG_RADIO_MASK 0x03 -#define FLAG_ENABLED 2 -#define FLAG_ADHOC 3 /* Needed by MIC */ -#define FLAG_MIC_CAPABLE 4 -#define FLAG_UPDATE_MULTI 5 -#define FLAG_UPDATE_UNI 6 -#define FLAG_802_11 7 -#define FLAG_PROMISC 8 /* IFF_PROMISC 0x100 - include/linux/if.h */ -#define FLAG_PENDING_XMIT 9 -#define FLAG_PENDING_XMIT11 10 -#define FLAG_MPI 11 -#define FLAG_REGISTERED 12 -#define FLAG_COMMIT 13 -#define FLAG_RESET 14 -#define FLAG_FLASHING 15 -#define FLAG_WPA_CAPABLE 16 - unsigned long flags; -#define JOB_DIE 0 -#define JOB_XMIT 1 -#define JOB_XMIT11 2 -#define JOB_STATS 3 -#define JOB_PROMISC 4 -#define JOB_MIC 5 -#define JOB_EVENT 6 -#define JOB_AUTOWEP 7 -#define JOB_WSTATS 8 -#define JOB_SCAN_RESULTS 9 - unsigned long jobs; - int (*bap_read)(struct airo_info*, __le16 *pu16Dst, int bytelen, - int whichbap); - unsigned short *flash; - tdsRssiEntry *rssi; - struct task_struct *list_bss_task; - struct task_struct *airo_thread_task; - struct semaphore sem; - wait_queue_head_t thr_wait; - unsigned long expires; - struct { - struct sk_buff *skb; - int fid; - } xmit, xmit11; - struct net_device *wifidev; - struct iw_statistics wstats; // wireless stats - unsigned long scan_timeout; /* Time scan should be read */ - struct iw_spy_data spy_data; - struct iw_public_data wireless_data; - /* MIC stuff */ - struct crypto_cipher *tfm; - mic_module mod[2]; - mic_statistics micstats; - HostRxDesc rxfids[MPI_MAX_FIDS]; // rx/tx/config MPI350 descriptors - HostTxDesc txfids[MPI_MAX_FIDS]; - HostRidDesc config_desc; - unsigned long ridbus; // phys addr of config_desc - struct sk_buff_head txq;// tx queue used by mpi350 code - struct pci_dev *pci; - unsigned char __iomem *pcimem; - unsigned char __iomem *pciaux; - unsigned char *shared; - dma_addr_t shared_dma; - pm_message_t power; - SsidRid *SSID; - APListRid APList; -#define PCI_SHARED_LEN 2*MPI_MAX_FIDS*PKTSIZE+RIDSIZE - char proc_name[IFNAMSIZ]; - - int wep_capable; - int max_wep_idx; - int last_auth; - - /* WPA-related stuff */ - unsigned int bssListFirst; - unsigned int bssListNext; - unsigned int bssListRidLen; - - struct list_head network_list; - struct list_head network_free_list; - BSSListElement *networks; -}; - -static inline int bap_read(struct airo_info *ai, __le16 *pu16Dst, int bytelen, - int whichbap) -{ - return ai->bap_read(ai, pu16Dst, bytelen, whichbap); -} - -static int setup_proc_entry( struct net_device *dev, - struct airo_info *apriv ); -static int takedown_proc_entry( struct net_device *dev, - struct airo_info *apriv ); - -static int cmdreset(struct airo_info *ai); -static int setflashmode (struct airo_info *ai); -static int flashgchar(struct airo_info *ai,int matchbyte,int dwelltime); -static int flashputbuf(struct airo_info *ai); -static int flashrestart(struct airo_info *ai,struct net_device *dev); - -#define airo_print(type, name, fmt, args...) \ - printk(type DRV_NAME "(%s): " fmt "\n", name, ##args) - -#define airo_print_info(name, fmt, args...) \ - airo_print(KERN_INFO, name, fmt, ##args) - -#define airo_print_dbg(name, fmt, args...) \ - airo_print(KERN_DEBUG, name, fmt, ##args) - -#define airo_print_warn(name, fmt, args...) \ - airo_print(KERN_WARNING, name, fmt, ##args) - -#define airo_print_err(name, fmt, args...) \ - airo_print(KERN_ERR, name, fmt, ##args) - -#define AIRO_FLASH(dev) (((struct airo_info *)dev->ml_priv)->flash) - -/*********************************************************************** - * MIC ROUTINES * - *********************************************************************** - */ - -static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq); -static void MoveWindow(miccntx *context, u32 micSeq); -static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, - struct crypto_cipher *tfm); -static void emmh32_init(emmh32_context *context); -static void emmh32_update(emmh32_context *context, u8 *pOctets, int len); -static void emmh32_final(emmh32_context *context, u8 digest[4]); -static int flashpchar(struct airo_info *ai,int byte,int dwelltime); - -static void age_mic_context(miccntx *cur, miccntx *old, u8 *key, int key_len, - struct crypto_cipher *tfm) -{ - /* If the current MIC context is valid and its key is the same as - * the MIC register, there's nothing to do. - */ - if (cur->valid && (memcmp(cur->key, key, key_len) == 0)) - return; - - /* Age current mic Context */ - memcpy(old, cur, sizeof(*cur)); - - /* Initialize new context */ - memcpy(cur->key, key, key_len); - cur->window = 33; /* Window always points to the middle */ - cur->rx = 0; /* Rx Sequence numbers */ - cur->tx = 0; /* Tx sequence numbers */ - cur->valid = 1; /* Key is now valid */ - - /* Give key to mic seed */ - emmh32_setseed(&cur->seed, key, key_len, tfm); -} - -/* micinit - Initialize mic seed */ - -static void micinit(struct airo_info *ai) -{ - MICRid mic_rid; - - clear_bit(JOB_MIC, &ai->jobs); - PC4500_readrid(ai, RID_MIC, &mic_rid, sizeof(mic_rid), 0); - up(&ai->sem); - - ai->micstats.enabled = (le16_to_cpu(mic_rid.state) & 0x00FF) ? 1 : 0; - if (!ai->micstats.enabled) { - /* So next time we have a valid key and mic is enabled, we will - * update the sequence number if the key is the same as before. - */ - ai->mod[0].uCtx.valid = 0; - ai->mod[0].mCtx.valid = 0; - return; - } - - if (mic_rid.multicastValid) { - age_mic_context(&ai->mod[0].mCtx, &ai->mod[1].mCtx, - mic_rid.multicast, sizeof(mic_rid.multicast), - ai->tfm); - } - - if (mic_rid.unicastValid) { - age_mic_context(&ai->mod[0].uCtx, &ai->mod[1].uCtx, - mic_rid.unicast, sizeof(mic_rid.unicast), - ai->tfm); - } -} - -/* micsetup - Get ready for business */ - -static int micsetup(struct airo_info *ai) { - int i; - - if (ai->tfm == NULL) - ai->tfm = crypto_alloc_cipher("aes", 0, CRYPTO_ALG_ASYNC); - - if (IS_ERR(ai->tfm)) { - airo_print_err(ai->dev->name, "failed to load transform for AES"); - ai->tfm = NULL; - return ERROR; - } - - for (i=0; i < NUM_MODULES; i++) { - memset(&ai->mod[i].mCtx,0,sizeof(miccntx)); - memset(&ai->mod[i].uCtx,0,sizeof(miccntx)); - } - return SUCCESS; -} - -static const u8 micsnap[] = {0xAA,0xAA,0x03,0x00,0x40,0x96,0x00,0x02}; - -/*=========================================================================== - * Description: Mic a packet - * - * Inputs: etherHead * pointer to an 802.3 frame - * - * Returns: BOOLEAN if successful, otherwise false. - * PacketTxLen will be updated with the mic'd packets size. - * - * Caveats: It is assumed that the frame buffer will already - * be big enough to hold the largets mic message possible. - * (No memory allocation is done here). - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - */ - -static int encapsulate(struct airo_info *ai ,etherHead *frame, MICBuffer *mic, int payLen) -{ - miccntx *context; - - // Determine correct context - // If not adhoc, always use unicast key - - if (test_bit(FLAG_ADHOC, &ai->flags) && (frame->da[0] & 0x1)) - context = &ai->mod[0].mCtx; - else - context = &ai->mod[0].uCtx; - - if (!context->valid) - return ERROR; - - mic->typelen = htons(payLen + 16); //Length of Mic'd packet - - memcpy(&mic->u.snap, micsnap, sizeof(micsnap)); // Add Snap - - // Add Tx sequence - mic->seq = htonl(context->tx); - context->tx += 2; - - emmh32_init(&context->seed); // Mic the packet - emmh32_update(&context->seed,frame->da,ETH_ALEN * 2); // DA,SA - emmh32_update(&context->seed,(u8*)&mic->typelen,10); // Type/Length and Snap - emmh32_update(&context->seed,(u8*)&mic->seq,sizeof(mic->seq)); //SEQ - emmh32_update(&context->seed,(u8*)(frame + 1),payLen); //payload - emmh32_final(&context->seed, (u8*)&mic->mic); - - /* New Type/length ?????????? */ - mic->typelen = 0; //Let NIC know it could be an oversized packet - return SUCCESS; -} - -typedef enum { - NONE, - NOMIC, - NOMICPLUMMED, - SEQUENCE, - INCORRECTMIC, -} mic_error; - -/*=========================================================================== - * Description: Decapsulates a MIC'd packet and returns the 802.3 packet - * (removes the MIC stuff) if packet is a valid packet. - * - * Inputs: etherHead pointer to the 802.3 packet - * - * Returns: BOOLEAN - TRUE if packet should be dropped otherwise FALSE - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - *--------------------------------------------------------------------------- - */ - -static int decapsulate(struct airo_info *ai, MICBuffer *mic, etherHead *eth, u16 payLen) -{ - int i; - u32 micSEQ; - miccntx *context; - u8 digest[4]; - mic_error micError = NONE; - - // Check if the packet is a Mic'd packet - - if (!ai->micstats.enabled) { - //No Mic set or Mic OFF but we received a MIC'd packet. - if (memcmp ((u8*)eth + 14, micsnap, sizeof(micsnap)) == 0) { - ai->micstats.rxMICPlummed++; - return ERROR; - } - return SUCCESS; - } - - if (ntohs(mic->typelen) == 0x888E) - return SUCCESS; - - if (memcmp (mic->u.snap, micsnap, sizeof(micsnap)) != 0) { - // Mic enabled but packet isn't Mic'd - ai->micstats.rxMICPlummed++; - return ERROR; - } - - micSEQ = ntohl(mic->seq); //store SEQ as CPU order - - //At this point we a have a mic'd packet and mic is enabled - //Now do the mic error checking. - - //Receive seq must be odd - if ( (micSEQ & 1) == 0 ) { - ai->micstats.rxWrongSequence++; - return ERROR; - } - - for (i = 0; i < NUM_MODULES; i++) { - int mcast = eth->da[0] & 1; - //Determine proper context - context = mcast ? &ai->mod[i].mCtx : &ai->mod[i].uCtx; - - //Make sure context is valid - if (!context->valid) { - if (i == 0) - micError = NOMICPLUMMED; - continue; - } - //DeMic it - - if (!mic->typelen) - mic->typelen = htons(payLen + sizeof(MICBuffer) - 2); - - emmh32_init(&context->seed); - emmh32_update(&context->seed, eth->da, ETH_ALEN*2); - emmh32_update(&context->seed, (u8 *)&mic->typelen, sizeof(mic->typelen)+sizeof(mic->u.snap)); - emmh32_update(&context->seed, (u8 *)&mic->seq,sizeof(mic->seq)); - emmh32_update(&context->seed, (u8 *)(eth + 1),payLen); - //Calculate MIC - emmh32_final(&context->seed, digest); - - if (memcmp(digest, &mic->mic, 4)) { //Make sure the mics match - //Invalid Mic - if (i == 0) - micError = INCORRECTMIC; - continue; - } - - //Check Sequence number if mics pass - if (RxSeqValid(ai, context, mcast, micSEQ) == SUCCESS) { - ai->micstats.rxSuccess++; - return SUCCESS; - } - if (i == 0) - micError = SEQUENCE; - } - - // Update statistics - switch (micError) { - case NOMICPLUMMED: ai->micstats.rxMICPlummed++; break; - case SEQUENCE: ai->micstats.rxWrongSequence++; break; - case INCORRECTMIC: ai->micstats.rxIncorrectMIC++; break; - case NONE: break; - case NOMIC: break; - } - return ERROR; -} - -/*=========================================================================== - * Description: Checks the Rx Seq number to make sure it is valid - * and hasn't already been received - * - * Inputs: miccntx - mic context to check seq against - * micSeq - the Mic seq number - * - * Returns: TRUE if valid otherwise FALSE. - * - * Author: sbraneky (10/15/01) - * Merciless hacks by rwilcher (1/14/02) - *--------------------------------------------------------------------------- - */ - -static int RxSeqValid (struct airo_info *ai,miccntx *context,int mcast,u32 micSeq) -{ - u32 seq,index; - - //Allow for the ap being rebooted - if it is then use the next - //sequence number of the current sequence number - might go backwards - - if (mcast) { - if (test_bit(FLAG_UPDATE_MULTI, &ai->flags)) { - clear_bit (FLAG_UPDATE_MULTI, &ai->flags); - context->window = (micSeq > 33) ? micSeq : 33; - context->rx = 0; // Reset rx - } - } else if (test_bit(FLAG_UPDATE_UNI, &ai->flags)) { - clear_bit (FLAG_UPDATE_UNI, &ai->flags); - context->window = (micSeq > 33) ? micSeq : 33; // Move window - context->rx = 0; // Reset rx - } - - //Make sequence number relative to START of window - seq = micSeq - (context->window - 33); - - //Too old of a SEQ number to check. - if ((s32)seq < 0) - return ERROR; - - if ( seq > 64 ) { - //Window is infinite forward - MoveWindow(context,micSeq); - return SUCCESS; - } - - // We are in the window. Now check the context rx bit to see if it was already sent - seq >>= 1; //divide by 2 because we only have odd numbers - index = 1 << seq; //Get an index number - - if (!(context->rx & index)) { - //micSEQ falls inside the window. - //Add seqence number to the list of received numbers. - context->rx |= index; - - MoveWindow(context,micSeq); - - return SUCCESS; - } - return ERROR; -} - -static void MoveWindow(miccntx *context, u32 micSeq) -{ - u32 shift; - - //Move window if seq greater than the middle of the window - if (micSeq > context->window) { - shift = (micSeq - context->window) >> 1; - - //Shift out old - if (shift < 32) - context->rx >>= shift; - else - context->rx = 0; - - context->window = micSeq; //Move window - } -} - -/*==============================================*/ -/*========== EMMH ROUTINES ====================*/ -/*==============================================*/ - -/* mic accumulate */ -#define MIC_ACCUM(val) \ - context->accum += (u64)(val) * context->coeff[coeff_position++]; - -static unsigned char aes_counter[16]; - -/* expand the key to fill the MMH coefficient array */ -static void emmh32_setseed(emmh32_context *context, u8 *pkey, int keylen, - struct crypto_cipher *tfm) -{ - /* take the keying material, expand if necessary, truncate at 16-bytes */ - /* run through AES counter mode to generate context->coeff[] */ - - int i,j; - u32 counter; - u8 *cipher, plain[16]; - - crypto_cipher_setkey(tfm, pkey, 16); - counter = 0; - for (i = 0; i < ARRAY_SIZE(context->coeff); ) { - aes_counter[15] = (u8)(counter >> 0); - aes_counter[14] = (u8)(counter >> 8); - aes_counter[13] = (u8)(counter >> 16); - aes_counter[12] = (u8)(counter >> 24); - counter++; - memcpy (plain, aes_counter, 16); - crypto_cipher_encrypt_one(tfm, plain, plain); - cipher = plain; - for (j = 0; (j < 16) && (i < ARRAY_SIZE(context->coeff)); ) { - context->coeff[i++] = ntohl(*(__be32 *)&cipher[j]); - j += 4; - } - } -} - -/* prepare for calculation of a new mic */ -static void emmh32_init(emmh32_context *context) -{ - /* prepare for new mic calculation */ - context->accum = 0; - context->position = 0; -} - -/* add some bytes to the mic calculation */ -static void emmh32_update(emmh32_context *context, u8 *pOctets, int len) -{ - int coeff_position, byte_position; - - if (len == 0) return; - - coeff_position = context->position >> 2; - - /* deal with partial 32-bit word left over from last update */ - byte_position = context->position & 3; - if (byte_position) { - /* have a partial word in part to deal with */ - do { - if (len == 0) return; - context->part.d8[byte_position++] = *pOctets++; - context->position++; - len--; - } while (byte_position < 4); - MIC_ACCUM(ntohl(context->part.d32)); - } - - /* deal with full 32-bit words */ - while (len >= 4) { - MIC_ACCUM(ntohl(*(__be32 *)pOctets)); - context->position += 4; - pOctets += 4; - len -= 4; - } - - /* deal with partial 32-bit word that will be left over from this update */ - byte_position = 0; - while (len > 0) { - context->part.d8[byte_position++] = *pOctets++; - context->position++; - len--; - } -} - -/* mask used to zero empty bytes for final partial word */ -static u32 mask32[4] = { 0x00000000L, 0xFF000000L, 0xFFFF0000L, 0xFFFFFF00L }; - -/* calculate the mic */ -static void emmh32_final(emmh32_context *context, u8 digest[4]) -{ - int coeff_position, byte_position; - u32 val; - - u64 sum, utmp; - s64 stmp; - - coeff_position = context->position >> 2; - - /* deal with partial 32-bit word left over from last update */ - byte_position = context->position & 3; - if (byte_position) { - /* have a partial word in part to deal with */ - val = ntohl(context->part.d32); - MIC_ACCUM(val & mask32[byte_position]); /* zero empty bytes */ - } - - /* reduce the accumulated u64 to a 32-bit MIC */ - sum = context->accum; - stmp = (sum & 0xffffffffLL) - ((sum >> 32) * 15); - utmp = (stmp & 0xffffffffLL) - ((stmp >> 32) * 15); - sum = utmp & 0xffffffffLL; - if (utmp > 0x10000000fLL) - sum -= 15; - - val = (u32)sum; - digest[0] = (val>>24) & 0xFF; - digest[1] = (val>>16) & 0xFF; - digest[2] = (val>>8) & 0xFF; - digest[3] = val & 0xFF; -} - -static int readBSSListRid(struct airo_info *ai, int first, - BSSListRid *list) -{ - Cmd cmd; - Resp rsp; - - if (first == 1) { - if (ai->flags & FLAG_RADIO_MASK) return -ENETDOWN; - memset(&cmd, 0, sizeof(cmd)); - cmd.cmd=CMD_LISTBSS; - if (down_interruptible(&ai->sem)) - return -ERESTARTSYS; - ai->list_bss_task = current; - issuecommand(ai, &cmd, &rsp); - up(&ai->sem); - /* Let the command take effect */ - schedule_timeout_uninterruptible(3 * HZ); - ai->list_bss_task = NULL; - } - return PC4500_readrid(ai, first ? ai->bssListFirst : ai->bssListNext, - list, ai->bssListRidLen, 1); -} - -static int readWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int temp, int lock) -{ - return PC4500_readrid(ai, temp ? RID_WEP_TEMP : RID_WEP_PERM, - wkr, sizeof(*wkr), lock); -} - -static int writeWepKeyRid(struct airo_info *ai, WepKeyRid *wkr, int perm, int lock) -{ - int rc; - rc = PC4500_writerid(ai, RID_WEP_TEMP, wkr, sizeof(*wkr), lock); - if (rc!=SUCCESS) - airo_print_err(ai->dev->name, "WEP_TEMP set %x", rc); - if (perm) { - rc = PC4500_writerid(ai, RID_WEP_PERM, wkr, sizeof(*wkr), lock); - if (rc!=SUCCESS) - airo_print_err(ai->dev->name, "WEP_PERM set %x", rc); - } - return rc; -} - -static int readSsidRid(struct airo_info*ai, SsidRid *ssidr) -{ - return PC4500_readrid(ai, RID_SSID, ssidr, sizeof(*ssidr), 1); -} - -static int writeSsidRid(struct airo_info*ai, SsidRid *pssidr, int lock) -{ - return PC4500_writerid(ai, RID_SSID, pssidr, sizeof(*pssidr), lock); -} - -static int readConfigRid(struct airo_info *ai, int lock) -{ - int rc; - ConfigRid cfg; - - if (ai->config.len) - return SUCCESS; - - rc = PC4500_readrid(ai, RID_ACTUALCONFIG, &cfg, sizeof(cfg), lock); - if (rc != SUCCESS) - return rc; - - ai->config = cfg; - return SUCCESS; -} - -static inline void checkThrottle(struct airo_info *ai) -{ - int i; -/* Old hardware had a limit on encryption speed */ - if (ai->config.authType != AUTH_OPEN && maxencrypt) { - for(i=0; i<8; i++) { - if (ai->config.rates[i] > maxencrypt) { - ai->config.rates[i] = 0; - } - } - } -} - -static int writeConfigRid(struct airo_info *ai, int lock) -{ - ConfigRid cfgr; - - if (!test_bit (FLAG_COMMIT, &ai->flags)) - return SUCCESS; - - clear_bit (FLAG_COMMIT, &ai->flags); - clear_bit (FLAG_RESET, &ai->flags); - checkThrottle(ai); - cfgr = ai->config; - - if ((cfgr.opmode & MODE_CFG_MASK) == MODE_STA_IBSS) - set_bit(FLAG_ADHOC, &ai->flags); - else - clear_bit(FLAG_ADHOC, &ai->flags); - - return PC4500_writerid( ai, RID_CONFIG, &cfgr, sizeof(cfgr), lock); -} - -static int readStatusRid(struct airo_info *ai, StatusRid *statr, int lock) -{ - return PC4500_readrid(ai, RID_STATUS, statr, sizeof(*statr), lock); -} - -static int writeAPListRid(struct airo_info *ai, APListRid *aplr, int lock) -{ - return PC4500_writerid(ai, RID_APLIST, aplr, sizeof(*aplr), lock); -} - -static int readCapabilityRid(struct airo_info *ai, CapabilityRid *capr, int lock) -{ - return PC4500_readrid(ai, RID_CAPABILITIES, capr, sizeof(*capr), lock); -} - -static int readStatsRid(struct airo_info*ai, StatsRid *sr, int rid, int lock) -{ - return PC4500_readrid(ai, rid, sr, sizeof(*sr), lock); -} - -static void try_auto_wep(struct airo_info *ai) -{ - if (auto_wep && !test_bit(FLAG_RADIO_DOWN, &ai->flags)) { - ai->expires = RUN_AT(3*HZ); - wake_up_interruptible(&ai->thr_wait); - } -} - -static int airo_open(struct net_device *dev) { - struct airo_info *ai = dev->ml_priv; - int rc = 0; - - if (test_bit(FLAG_FLASHING, &ai->flags)) - return -EIO; - - /* Make sure the card is configured. - * Wireless Extensions may postpone config changes until the card - * is open (to pipeline changes and speed-up card setup). If - * those changes are not yet committed, do it now - Jean II */ - if (test_bit(FLAG_COMMIT, &ai->flags)) { - disable_MAC(ai, 1); - writeConfigRid(ai, 1); - } - - if (ai->wifidev != dev) { - clear_bit(JOB_DIE, &ai->jobs); - ai->airo_thread_task = kthread_run(airo_thread, dev, "%s", - dev->name); - if (IS_ERR(ai->airo_thread_task)) - return (int)PTR_ERR(ai->airo_thread_task); - - rc = request_irq(dev->irq, airo_interrupt, IRQF_SHARED, - dev->name, dev); - if (rc) { - airo_print_err(dev->name, - "register interrupt %d failed, rc %d", - dev->irq, rc); - set_bit(JOB_DIE, &ai->jobs); - kthread_stop(ai->airo_thread_task); - return rc; - } - - /* Power on the MAC controller (which may have been disabled) */ - clear_bit(FLAG_RADIO_DOWN, &ai->flags); - enable_interrupts(ai); - - try_auto_wep(ai); - } - enable_MAC(ai, 1); - - netif_start_queue(dev); - return 0; -} - -static netdev_tx_t mpi_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - int npacks, pending; - unsigned long flags; - struct airo_info *ai = dev->ml_priv; - - if (!skb) { - airo_print_err(dev->name, "%s: skb == NULL!",__func__); - return NETDEV_TX_OK; - } - npacks = skb_queue_len (&ai->txq); - - if (npacks >= MAXTXQ - 1) { - netif_stop_queue (dev); - if (npacks > MAXTXQ) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - skb_queue_tail (&ai->txq, skb); - return NETDEV_TX_OK; - } - - spin_lock_irqsave(&ai->aux_lock, flags); - skb_queue_tail (&ai->txq, skb); - pending = test_bit(FLAG_PENDING_XMIT, &ai->flags); - spin_unlock_irqrestore(&ai->aux_lock,flags); - netif_wake_queue (dev); - - if (pending == 0) { - set_bit(FLAG_PENDING_XMIT, &ai->flags); - mpi_send_packet (dev); - } - return NETDEV_TX_OK; -} - -/* - * @mpi_send_packet - * - * Attempt to transmit a packet. Can be called from interrupt - * or transmit . return number of packets we tried to send - */ - -static int mpi_send_packet (struct net_device *dev) -{ - struct sk_buff *skb; - unsigned char *buffer; - s16 len; - __le16 *payloadLen; - struct airo_info *ai = dev->ml_priv; - u8 *sendbuf; - - /* get a packet to send */ - - if ((skb = skb_dequeue(&ai->txq)) == NULL) { - airo_print_err(dev->name, - "%s: Dequeue'd zero in send_packet()", - __func__); - return 0; - } - - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - buffer = skb->data; - - ai->txfids[0].tx_desc.offset = 0; - ai->txfids[0].tx_desc.valid = 1; - ai->txfids[0].tx_desc.eoc = 1; - ai->txfids[0].tx_desc.len =len+sizeof(WifiHdr); - -/* - * Magic, the cards firmware needs a length count (2 bytes) in the host buffer - * right after TXFID_HDR.The TXFID_HDR contains the status short so payloadlen - * is immediately after it. ------------------------------------------------ - * |TXFIDHDR+STATUS|PAYLOADLEN|802.3HDR|PACKETDATA| - * ------------------------------------------------ - */ - - memcpy(ai->txfids[0].virtual_host_addr, - (char *)&wifictlhdr8023, sizeof(wifictlhdr8023)); - - payloadLen = (__le16 *)(ai->txfids[0].virtual_host_addr + - sizeof(wifictlhdr8023)); - sendbuf = ai->txfids[0].virtual_host_addr + - sizeof(wifictlhdr8023) + 2 ; - - /* - * Firmware automatically puts 802 header on so - * we don't need to account for it in the length - */ - if (test_bit(FLAG_MIC_CAPABLE, &ai->flags) && ai->micstats.enabled && - (ntohs(((__be16 *)buffer)[6]) != 0x888E)) { - MICBuffer pMic; - - if (encapsulate(ai, (etherHead *)buffer, &pMic, len - sizeof(etherHead)) != SUCCESS) - return ERROR; - - *payloadLen = cpu_to_le16(len-sizeof(etherHead)+sizeof(pMic)); - ai->txfids[0].tx_desc.len += sizeof(pMic); - /* copy data into airo dma buffer */ - memcpy (sendbuf, buffer, sizeof(etherHead)); - buffer += sizeof(etherHead); - sendbuf += sizeof(etherHead); - memcpy (sendbuf, &pMic, sizeof(pMic)); - sendbuf += sizeof(pMic); - memcpy (sendbuf, buffer, len - sizeof(etherHead)); - } else { - *payloadLen = cpu_to_le16(len - sizeof(etherHead)); - - dev->trans_start = jiffies; - - /* copy data into airo dma buffer */ - memcpy(sendbuf, buffer, len); - } - - memcpy_toio(ai->txfids[0].card_ram_off, - &ai->txfids[0].tx_desc, sizeof(TxFid)); - - OUT4500(ai, EVACK, 8); - - dev_kfree_skb_any(skb); - return 1; -} - -static void get_tx_error(struct airo_info *ai, s32 fid) -{ - __le16 status; - - if (fid < 0) - status = ((WifiCtlHdr *)ai->txfids[0].virtual_host_addr)->ctlhdr.status; - else { - if (bap_setup(ai, ai->fids[fid] & 0xffff, 4, BAP0) != SUCCESS) - return; - bap_read(ai, &status, 2, BAP0); - } - if (le16_to_cpu(status) & 2) /* Too many retries */ - ai->dev->stats.tx_aborted_errors++; - if (le16_to_cpu(status) & 4) /* Transmit lifetime exceeded */ - ai->dev->stats.tx_heartbeat_errors++; - if (le16_to_cpu(status) & 8) /* Aid fail */ - { } - if (le16_to_cpu(status) & 0x10) /* MAC disabled */ - ai->dev->stats.tx_carrier_errors++; - if (le16_to_cpu(status) & 0x20) /* Association lost */ - { } - /* We produce a TXDROP event only for retry or lifetime - * exceeded, because that's the only status that really mean - * that this particular node went away. - * Other errors means that *we* screwed up. - Jean II */ - if ((le16_to_cpu(status) & 2) || - (le16_to_cpu(status) & 4)) { - union iwreq_data wrqu; - char junk[0x18]; - - /* Faster to skip over useless data than to do - * another bap_setup(). We are at offset 0x6 and - * need to go to 0x18 and read 6 bytes - Jean II */ - bap_read(ai, (__le16 *) junk, 0x18, BAP0); - - /* Copy 802.11 dest address. - * We use the 802.11 header because the frame may - * not be 802.3 or may be mangled... - * In Ad-Hoc mode, it will be the node address. - * In managed mode, it will be most likely the AP addr - * User space will figure out how to convert it to - * whatever it needs (IP address or else). - * - Jean II */ - memcpy(wrqu.addr.sa_data, junk + 0x12, ETH_ALEN); - wrqu.addr.sa_family = ARPHRD_ETHER; - - /* Send event to user space */ - wireless_send_event(ai->dev, IWEVTXDROP, &wrqu, NULL); - } -} - -static void airo_end_xmit(struct net_device *dev) { - u16 status; - int i; - struct airo_info *priv = dev->ml_priv; - struct sk_buff *skb = priv->xmit.skb; - int fid = priv->xmit.fid; - u32 *fids = priv->fids; - - clear_bit(JOB_XMIT, &priv->jobs); - clear_bit(FLAG_PENDING_XMIT, &priv->flags); - status = transmit_802_3_packet (priv, fids[fid], skb->data); - up(&priv->sem); - - i = 0; - if ( status == SUCCESS ) { - dev->trans_start = jiffies; - for (; i < MAX_FIDS / 2 && (priv->fids[i] & 0xffff0000); i++); - } else { - priv->fids[fid] &= 0xffff; - dev->stats.tx_window_errors++; - } - if (i < MAX_FIDS / 2) - netif_wake_queue(dev); - dev_kfree_skb(skb); -} - -static netdev_tx_t airo_start_xmit(struct sk_buff *skb, - struct net_device *dev) -{ - s16 len; - int i, j; - struct airo_info *priv = dev->ml_priv; - u32 *fids = priv->fids; - - if ( skb == NULL ) { - airo_print_err(dev->name, "%s: skb == NULL!", __func__); - return NETDEV_TX_OK; - } - - /* Find a vacant FID */ - for( i = 0; i < MAX_FIDS / 2 && (fids[i] & 0xffff0000); i++ ); - for( j = i + 1; j < MAX_FIDS / 2 && (fids[j] & 0xffff0000); j++ ); - - if ( j >= MAX_FIDS / 2 ) { - netif_stop_queue(dev); - - if (i == MAX_FIDS / 2) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - } - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - /* Mark fid as used & save length for later */ - fids[i] |= (len << 16); - priv->xmit.skb = skb; - priv->xmit.fid = i; - if (down_trylock(&priv->sem) != 0) { - set_bit(FLAG_PENDING_XMIT, &priv->flags); - netif_stop_queue(dev); - set_bit(JOB_XMIT, &priv->jobs); - wake_up_interruptible(&priv->thr_wait); - } else - airo_end_xmit(dev); - return NETDEV_TX_OK; -} - -static void airo_end_xmit11(struct net_device *dev) { - u16 status; - int i; - struct airo_info *priv = dev->ml_priv; - struct sk_buff *skb = priv->xmit11.skb; - int fid = priv->xmit11.fid; - u32 *fids = priv->fids; - - clear_bit(JOB_XMIT11, &priv->jobs); - clear_bit(FLAG_PENDING_XMIT11, &priv->flags); - status = transmit_802_11_packet (priv, fids[fid], skb->data); - up(&priv->sem); - - i = MAX_FIDS / 2; - if ( status == SUCCESS ) { - dev->trans_start = jiffies; - for (; i < MAX_FIDS && (priv->fids[i] & 0xffff0000); i++); - } else { - priv->fids[fid] &= 0xffff; - dev->stats.tx_window_errors++; - } - if (i < MAX_FIDS) - netif_wake_queue(dev); - dev_kfree_skb(skb); -} - -static netdev_tx_t airo_start_xmit11(struct sk_buff *skb, - struct net_device *dev) -{ - s16 len; - int i, j; - struct airo_info *priv = dev->ml_priv; - u32 *fids = priv->fids; - - if (test_bit(FLAG_MPI, &priv->flags)) { - /* Not implemented yet for MPI350 */ - netif_stop_queue(dev); - dev_kfree_skb_any(skb); - return NETDEV_TX_OK; - } - - if ( skb == NULL ) { - airo_print_err(dev->name, "%s: skb == NULL!", __func__); - return NETDEV_TX_OK; - } - - /* Find a vacant FID */ - for( i = MAX_FIDS / 2; i < MAX_FIDS && (fids[i] & 0xffff0000); i++ ); - for( j = i + 1; j < MAX_FIDS && (fids[j] & 0xffff0000); j++ ); - - if ( j >= MAX_FIDS ) { - netif_stop_queue(dev); - - if (i == MAX_FIDS) { - dev->stats.tx_fifo_errors++; - return NETDEV_TX_BUSY; - } - } - /* check min length*/ - len = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - /* Mark fid as used & save length for later */ - fids[i] |= (len << 16);