diff options
Diffstat (limited to 'drivers/net/wireless/atmel/atmel.c')
| -rw-r--r-- | drivers/net/wireless/atmel/atmel.c | 4452 |
1 files changed, 0 insertions, 4452 deletions
diff --git a/drivers/net/wireless/atmel/atmel.c b/drivers/net/wireless/atmel/atmel.c deleted file mode 100644 index 461dce21de2b..000000000000 --- a/drivers/net/wireless/atmel/atmel.c +++ /dev/null @@ -1,4452 +0,0 @@ -/*** -*- linux-c -*- ********************************************************** - - Driver for Atmel at76c502 at76c504 and at76c506 wireless cards. - - Copyright 2000-2001 ATMEL Corporation. - Copyright 2003-2004 Simon Kelley. - - This code was developed from version 2.1.1 of the Atmel drivers, - released by Atmel corp. under the GPL in December 2002. It also - includes code from the Linux aironet drivers (C) Benjamin Reed, - and the Linux PCMCIA package, (C) David Hinds and the Linux wireless - extensions, (C) Jean Tourrilhes. - - The firmware module for reading the MAC address of the card comes from - net.russotto.AtmelMACFW, written by Matthew T. Russotto and copyright - by him. net.russotto.AtmelMACFW is used under the GPL license version 2. - This file contains the module in binary form and, under the terms - of the GPL, in source form. The source is located at the end of the file. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This software is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with Atmel wireless lan drivers; if not, see - <http://www.gnu.org/licenses/>. - - For all queries about this code, please contact the current author, - Simon Kelley <simon@thekelleys.org.uk> and not Atmel Corporation. - - Credit is due to HP UK and Cambridge Online Systems Ltd for supplying - hardware used during development of this driver. - -******************************************************************************/ - -#include <linux/interrupt.h> - -#include <linux/kernel.h> -#include <linux/ptrace.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/timer.h> -#include <asm/byteorder.h> -#include <asm/io.h> -#include <linux/uaccess.h> -#include <linux/module.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/if_arp.h> -#include <linux/ioport.h> -#include <linux/fcntl.h> -#include <linux/delay.h> -#include <linux/wireless.h> -#include <net/iw_handler.h> -#include <linux/crc32.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/device.h> -#include <linux/moduleparam.h> -#include <linux/firmware.h> -#include <linux/jiffies.h> -#include <net/cfg80211.h> -#include "atmel.h" - -#define DRIVER_MAJOR 0 -#define DRIVER_MINOR 98 - -MODULE_AUTHOR("Simon Kelley"); -MODULE_DESCRIPTION("Support for Atmel at76c50x 802.11 wireless ethernet cards."); -MODULE_LICENSE("GPL"); - -/* The name of the firmware file to be loaded - over-rides any automatic selection */ -static char *firmware = NULL; -module_param(firmware, charp, 0); - -/* table of firmware file names */ -static struct { - AtmelFWType fw_type; - const char *fw_file; - const char *fw_file_ext; -} fw_table[] = { - { ATMEL_FW_TYPE_502, "atmel_at76c502", "bin" }, - { ATMEL_FW_TYPE_502D, "atmel_at76c502d", "bin" }, - { ATMEL_FW_TYPE_502E, "atmel_at76c502e", "bin" }, - { ATMEL_FW_TYPE_502_3COM, "atmel_at76c502_3com", "bin" }, - { ATMEL_FW_TYPE_504, "atmel_at76c504", "bin" }, - { ATMEL_FW_TYPE_504_2958, "atmel_at76c504_2958", "bin" }, - { ATMEL_FW_TYPE_504A_2958, "atmel_at76c504a_2958", "bin" }, - { ATMEL_FW_TYPE_506, "atmel_at76c506", "bin" }, - { ATMEL_FW_TYPE_NONE, NULL, NULL } -}; -MODULE_FIRMWARE("atmel_at76c502-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c502.bin"); -MODULE_FIRMWARE("atmel_at76c502d-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c502d.bin"); -MODULE_FIRMWARE("atmel_at76c502e-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c502e.bin"); -MODULE_FIRMWARE("atmel_at76c502_3com-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c502_3com.bin"); -MODULE_FIRMWARE("atmel_at76c504-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c504.bin"); -MODULE_FIRMWARE("atmel_at76c504_2958-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c504_2958.bin"); -MODULE_FIRMWARE("atmel_at76c504a_2958-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c504a_2958.bin"); -MODULE_FIRMWARE("atmel_at76c506-wpa.bin"); -MODULE_FIRMWARE("atmel_at76c506.bin"); - -#define MAX_SSID_LENGTH 32 -#define MGMT_JIFFIES (256 * HZ / 100) - -#define MAX_BSS_ENTRIES 64 - -/* registers */ -#define GCR 0x00 /* (SIR0) General Configuration Register */ -#define BSR 0x02 /* (SIR1) Bank Switching Select Register */ -#define AR 0x04 -#define DR 0x08 -#define MR1 0x12 /* Mirror Register 1 */ -#define MR2 0x14 /* Mirror Register 2 */ -#define MR3 0x16 /* Mirror Register 3 */ -#define MR4 0x18 /* Mirror Register 4 */ - -#define GPR1 0x0c -#define GPR2 0x0e -#define GPR3 0x10 -/* - * Constants for the GCR register. - */ -#define GCR_REMAP 0x0400 /* Remap internal SRAM to 0 */ -#define GCR_SWRES 0x0080 /* BIU reset (ARM and PAI are NOT reset) */ -#define GCR_CORES 0x0060 /* Core Reset (ARM and PAI are reset) */ -#define GCR_ENINT 0x0002 /* Enable Interrupts */ -#define GCR_ACKINT 0x0008 /* Acknowledge Interrupts */ - -#define BSS_SRAM 0x0200 /* AMBA module selection --> SRAM */ -#define BSS_IRAM 0x0100 /* AMBA module selection --> IRAM */ -/* - *Constants for the MR registers. - */ -#define MAC_INIT_COMPLETE 0x0001 /* MAC init has been completed */ -#define MAC_BOOT_COMPLETE 0x0010 /* MAC boot has been completed */ -#define MAC_INIT_OK 0x0002 /* MAC boot has been completed */ - -#define MIB_MAX_DATA_BYTES 212 -#define MIB_HEADER_SIZE 4 /* first four fields */ - -struct get_set_mib { - u8 type; - u8 size; - u8 index; - u8 reserved; - u8 data[MIB_MAX_DATA_BYTES]; -}; - -struct rx_desc { - u32 Next; - u16 MsduPos; - u16 MsduSize; - - u8 State; - u8 Status; - u8 Rate; - u8 Rssi; - u8 LinkQuality; - u8 PreambleType; - u16 Duration; - u32 RxTime; -}; - -#define RX_DESC_FLAG_VALID 0x80 -#define RX_DESC_FLAG_CONSUMED 0x40 -#define RX_DESC_FLAG_IDLE 0x00 - -#define RX_STATUS_SUCCESS 0x00 - -#define RX_DESC_MSDU_POS_OFFSET 4 -#define RX_DESC_MSDU_SIZE_OFFSET 6 -#define RX_DESC_FLAGS_OFFSET 8 -#define RX_DESC_STATUS_OFFSET 9 -#define RX_DESC_RSSI_OFFSET 11 -#define RX_DESC_LINK_QUALITY_OFFSET 12 -#define RX_DESC_PREAMBLE_TYPE_OFFSET 13 -#define RX_DESC_DURATION_OFFSET 14 -#define RX_DESC_RX_TIME_OFFSET 16 - -struct tx_desc { - u32 NextDescriptor; - u16 TxStartOfFrame; - u16 TxLength; - - u8 TxState; - u8 TxStatus; - u8 RetryCount; - - u8 TxRate; - - u8 KeyIndex; - u8 ChiperType; - u8 ChipreLength; - u8 Reserved1; - - u8 Reserved; - u8 PacketType; - u16 HostTxLength; -}; - -#define TX_DESC_NEXT_OFFSET 0 -#define TX_DESC_POS_OFFSET 4 -#define TX_DESC_SIZE_OFFSET 6 -#define TX_DESC_FLAGS_OFFSET 8 -#define TX_DESC_STATUS_OFFSET 9 -#define TX_DESC_RETRY_OFFSET 10 -#define TX_DESC_RATE_OFFSET 11 -#define TX_DESC_KEY_INDEX_OFFSET 12 -#define TX_DESC_CIPHER_TYPE_OFFSET 13 -#define TX_DESC_CIPHER_LENGTH_OFFSET 14 -#define TX_DESC_PACKET_TYPE_OFFSET 17 -#define TX_DESC_HOST_LENGTH_OFFSET 18 - -/* - * Host-MAC interface - */ - -#define TX_STATUS_SUCCESS 0x00 - -#define TX_FIRM_OWN 0x80 -#define TX_DONE 0x40 - -#define TX_ERROR 0x01 - -#define TX_PACKET_TYPE_DATA 0x01 -#define TX_PACKET_TYPE_MGMT 0x02 - -#define ISR_EMPTY 0x00 /* no bits set in ISR */ -#define ISR_TxCOMPLETE 0x01 /* packet transmitted */ -#define ISR_RxCOMPLETE 0x02 /* packet received */ -#define ISR_RxFRAMELOST 0x04 /* Rx Frame lost */ -#define ISR_FATAL_ERROR 0x08 /* Fatal error */ -#define ISR_COMMAND_COMPLETE 0x10 /* command completed */ -#define ISR_OUT_OF_RANGE 0x20 /* command completed */ -#define ISR_IBSS_MERGE 0x40 /* (4.1.2.30): IBSS merge */ -#define ISR_GENERIC_IRQ 0x80 - -#define Local_Mib_Type 0x01 -#define Mac_Address_Mib_Type 0x02 -#define Mac_Mib_Type 0x03 -#define Statistics_Mib_Type 0x04 -#define Mac_Mgmt_Mib_Type 0x05 -#define Mac_Wep_Mib_Type 0x06 -#define Phy_Mib_Type 0x07 -#define Multi_Domain_MIB 0x08 - -#define MAC_MGMT_MIB_CUR_BSSID_POS 14 -#define MAC_MIB_FRAG_THRESHOLD_POS 8 -#define MAC_MIB_RTS_THRESHOLD_POS 10 -#define MAC_MIB_SHORT_RETRY_POS 16 -#define MAC_MIB_LONG_RETRY_POS 17 -#define MAC_MIB_SHORT_RETRY_LIMIT_POS 16 -#define MAC_MGMT_MIB_BEACON_PER_POS 0 -#define MAC_MGMT_MIB_STATION_ID_POS 6 -#define MAC_MGMT_MIB_CUR_PRIVACY_POS 11 -#define MAC_MGMT_MIB_CUR_BSSID_POS 14 -#define MAC_MGMT_MIB_PS_MODE_POS 53 -#define MAC_MGMT_MIB_LISTEN_INTERVAL_POS 54 -#define MAC_MGMT_MIB_MULTI_DOMAIN_IMPLEMENTED 56 -#define MAC_MGMT_MIB_MULTI_DOMAIN_ENABLED 57 -#define PHY_MIB_CHANNEL_POS 14 -#define PHY_MIB_RATE_SET_POS 20 -#define PHY_MIB_REG_DOMAIN_POS 26 -#define LOCAL_MIB_AUTO_TX_RATE_POS 3 -#define LOCAL_MIB_SSID_SIZE 5 -#define LOCAL_MIB_TX_PROMISCUOUS_POS 6 -#define LOCAL_MIB_TX_MGMT_RATE_POS 7 -#define LOCAL_MIB_TX_CONTROL_RATE_POS 8 -#define LOCAL_MIB_PREAMBLE_TYPE 9 -#define MAC_ADDR_MIB_MAC_ADDR_POS 0 - -#define CMD_Set_MIB_Vars 0x01 -#define CMD_Get_MIB_Vars 0x02 -#define CMD_Scan 0x03 -#define CMD_Join 0x04 -#define CMD_Start 0x05 -#define CMD_EnableRadio 0x06 -#define CMD_DisableRadio 0x07 -#define CMD_SiteSurvey 0x0B - -#define CMD_STATUS_IDLE 0x00 -#define CMD_STATUS_COMPLETE 0x01 -#define CMD_STATUS_UNKNOWN 0x02 -#define CMD_STATUS_INVALID_PARAMETER 0x03 -#define CMD_STATUS_FUNCTION_NOT_SUPPORTED 0x04 -#define CMD_STATUS_TIME_OUT 0x07 -#define CMD_STATUS_IN_PROGRESS 0x08 -#define CMD_STATUS_REJECTED_RADIO_OFF 0x09 -#define CMD_STATUS_HOST_ERROR 0xFF -#define CMD_STATUS_BUSY 0xFE - -#define CMD_BLOCK_COMMAND_OFFSET 0 -#define CMD_BLOCK_STATUS_OFFSET 1 -#define CMD_BLOCK_PARAMETERS_OFFSET 4 - -#define SCAN_OPTIONS_SITE_SURVEY 0x80 - -#define MGMT_FRAME_BODY_OFFSET 24 -#define MAX_AUTHENTICATION_RETRIES 3 -#define MAX_ASSOCIATION_RETRIES 3 - -#define AUTHENTICATION_RESPONSE_TIME_OUT 1000 - -#define MAX_WIRELESS_BODY 2316 /* mtu is 2312, CRC is 4 */ -#define LOOP_RETRY_LIMIT 500000 - -#define ACTIVE_MODE 1 -#define PS_MODE 2 - -#define MAX_ENCRYPTION_KEYS 4 -#define MAX_ENCRYPTION_KEY_SIZE 40 - -/* - * 802.11 related definitions - */ - -/* - * Regulatory Domains - */ - -#define REG_DOMAIN_FCC 0x10 /* Channels 1-11 USA */ -#define REG_DOMAIN_DOC 0x20 /* Channel 1-11 Canada */ -#define REG_DOMAIN_ETSI 0x30 /* Channel 1-13 Europe (ex Spain/France) */ -#define REG_DOMAIN_SPAIN 0x31 /* Channel 10-11 Spain */ -#define REG_DOMAIN_FRANCE 0x32 /* Channel 10-13 France */ -#define REG_DOMAIN_MKK 0x40 /* Channel 14 Japan */ -#define REG_DOMAIN_MKK1 0x41 /* Channel 1-14 Japan(MKK1) */ -#define REG_DOMAIN_ISRAEL 0x50 /* Channel 3-9 ISRAEL */ - -#define BSS_TYPE_AD_HOC 1 -#define BSS_TYPE_INFRASTRUCTURE 2 - -#define SCAN_TYPE_ACTIVE 0 -#define SCAN_TYPE_PASSIVE 1 - -#define LONG_PREAMBLE 0 -#define SHORT_PREAMBLE 1 -#define AUTO_PREAMBLE 2 - -#define DATA_FRAME_WS_HEADER_SIZE 30 - -/* promiscuous mode control */ -#define PROM_MODE_OFF 0x0 -#define PROM_MODE_UNKNOWN 0x1 -#define PROM_MODE_CRC_FAILED 0x2 -#define PROM_MODE_DUPLICATED 0x4 -#define PROM_MODE_MGMT 0x8 -#define PROM_MODE_CTRL 0x10 -#define PROM_MODE_BAD_PROTOCOL 0x20 - -#define IFACE_INT_STATUS_OFFSET 0 -#define IFACE_INT_MASK_OFFSET 1 -#define IFACE_LOCKOUT_HOST_OFFSET 2 -#define IFACE_LOCKOUT_MAC_OFFSET 3 -#define IFACE_FUNC_CTRL_OFFSET 28 -#define IFACE_MAC_STAT_OFFSET 30 -#define IFACE_GENERIC_INT_TYPE_OFFSET 32 - -#define CIPHER_SUITE_NONE 0 -#define CIPHER_SUITE_WEP_64 1 -#define CIPHER_SUITE_TKIP 2 -#define CIPHER_SUITE_AES 3 -#define CIPHER_SUITE_CCX 4 -#define CIPHER_SUITE_WEP_128 5 - -/* - * IFACE MACROS & definitions - */ - -/* - * FuncCtrl field: - */ -#define FUNC_CTRL_TxENABLE 0x10 -#define FUNC_CTRL_RxENABLE 0x20 -#define FUNC_CTRL_INIT_COMPLETE 0x01 - -/* A stub firmware image which reads the MAC address from NVRAM on the card. - For copyright information and source see the end of this file. */ -static u8 mac_reader[] = { - 0x06, 0x00, 0x00, 0xea, 0x04, 0x00, 0x00, 0xea, 0x03, 0x00, 0x00, 0xea, 0x02, 0x00, 0x00, 0xea, - 0x01, 0x00, 0x00, 0xea, 0x00, 0x00, 0x00, 0xea, 0xff, 0xff, 0xff, 0xea, 0xfe, 0xff, 0xff, 0xea, - 0xd3, 0x00, 0xa0, 0xe3, 0x00, 0xf0, 0x21, 0xe1, 0x0e, 0x04, 0xa0, 0xe3, 0x00, 0x10, 0xa0, 0xe3, - 0x81, 0x11, 0xa0, 0xe1, 0x00, 0x10, 0x81, 0xe3, 0x00, 0x10, 0x80, 0xe5, 0x1c, 0x10, 0x90, 0xe5, - 0x10, 0x10, 0xc1, 0xe3, 0x1c, 0x10, 0x80, 0xe5, 0x01, 0x10, 0xa0, 0xe3, 0x08, 0x10, 0x80, 0xe5, - 0x02, 0x03, 0xa0, 0xe3, 0x00, 0x10, 0xa0, 0xe3, 0xb0, 0x10, 0xc0, 0xe1, 0xb4, 0x10, 0xc0, 0xe1, - 0xb8, 0x10, 0xc0, 0xe1, 0xbc, 0x10, 0xc0, 0xe1, 0x56, 0xdc, 0xa0, 0xe3, 0x21, 0x00, 0x00, 0xeb, - 0x0a, 0x00, 0xa0, 0xe3, 0x1a, 0x00, 0x00, 0xeb, 0x10, 0x00, 0x00, 0xeb, 0x07, 0x00, 0x00, 0xeb, - 0x02, 0x03, 0xa0, 0xe3, 0x02, 0x14, 0xa0, 0xe3, 0xb4, 0x10, 0xc0, 0xe1, 0x4c, 0x10, 0x9f, 0xe5, - 0xbc, 0x10, 0xc0, 0xe1, 0x10, 0x10, 0xa0, 0xe3, 0xb8, 0x10, 0xc0, 0xe1, 0xfe, 0xff, 0xff, 0xea, - 0x00, 0x40, 0x2d, 0xe9, 0x00, 0x20, 0xa0, 0xe3, 0x02, 0x3c, 0xa0, 0xe3, 0x00, 0x10, 0xa0, 0xe3, - 0x28, 0x00, 0x9f, 0xe5, 0x37, 0x00, 0x00, 0xeb, 0x00, 0x40, 0xbd, 0xe8, 0x1e, 0xff, 0x2f, 0xe1, - 0x00, 0x40, 0x2d, 0xe9, 0x12, 0x2e, 0xa0, 0xe3, 0x06, 0x30, 0xa0, 0xe3, 0x00, 0x10, 0xa0, 0xe3, - 0x02, 0x04, 0xa0, 0xe3, 0x2f, 0x00, 0x00, 0xeb, 0x00, 0x40, 0xbd, 0xe8, 0x1e, 0xff, 0x2f, 0xe1, - 0x00, 0x02, 0x00, 0x02, 0x80, 0x01, 0x90, 0xe0, 0x01, 0x00, 0x00, 0x0a, 0x01, 0x00, 0x50, 0xe2, - 0xfc, 0xff, 0xff, 0xea, 0x1e, 0xff, 0x2f, 0xe1, 0x80, 0x10, 0xa0, 0xe3, 0xf3, 0x06, 0xa0, 0xe3, - 0x00, 0x10, 0x80, 0xe5, 0x00, 0x10, 0xa0, 0xe3, 0x00, 0x10, 0x80, 0xe5, 0x01, 0x10, 0xa0, 0xe3, - 0x04, 0x10, 0x80, 0xe5, 0x00, 0x10, 0x80, 0xe5, 0x0e, 0x34, 0xa0, 0xe3, 0x1c, 0x10, 0x93, 0xe5, - 0x02, 0x1a, 0x81, 0xe3, 0x1c, 0x10, 0x83, 0xe5, 0x58, 0x11, 0x9f, 0xe5, 0x30, 0x10, 0x80, 0xe5, - 0x54, 0x11, 0x9f, 0xe5, 0x34, 0x10, 0x80, 0xe5, 0x38, 0x10, 0x80, 0xe5, 0x3c, 0x10, 0x80, 0xe5, - 0x10, 0x10, 0x90, 0xe5, 0x08, 0x00, 0x90, 0xe5, 0x1e, 0xff, 0x2f, 0xe1, 0xf3, 0x16, 0xa0, 0xe3, - 0x08, 0x00, 0x91, 0xe5, 0x05, 0x00, 0xa0, 0xe3, 0x0c, 0x00, 0x81, 0xe5, 0x10, 0x00, 0x91, 0xe5, - 0x02, 0x00, 0x10, 0xe3, 0xfc, 0xff, 0xff, 0x0a, 0xff, 0x00, 0xa0, 0xe3, 0x0c, 0x00, 0x81, 0xe5, - 0x10, 0x00, 0x91, 0xe5, 0x02, 0x00, 0x10, 0xe3, 0xfc, 0xff, 0xff, 0x0a, 0x08, 0x00, 0x91, 0xe5, - 0x10, 0x00, 0x91, 0xe5, 0x01, 0x00, 0x10, 0xe3, 0xfc, 0xff, 0xff, 0x0a, 0x08, 0x00, 0x91, 0xe5, - 0xff, 0x00, 0x00, 0xe2, 0x1e, 0xff, 0x2f, 0xe1, 0x30, 0x40, 0x2d, 0xe9, 0x00, 0x50, 0xa0, 0xe1, - 0x03, 0x40, 0xa0, 0xe1, 0xa2, 0x02, 0xa0, 0xe1, 0x08, 0x00, 0x00, 0xe2, 0x03, 0x00, 0x80, 0xe2, - 0xd8, 0x10, 0x9f, 0xe5, 0x00, 0x00, 0xc1, 0xe5, 0x01, 0x20, 0xc1, 0xe5, 0xe2, 0xff, 0xff, 0xeb, - 0x01, 0x00, 0x10, 0xe3, 0xfc, 0xff, 0xff, 0x1a, 0x14, 0x00, 0xa0, 0xe3, 0xc4, 0xff, 0xff, 0xeb, - 0x04, 0x20, 0xa0, 0xe1, 0x05, 0x10, 0xa0, 0xe1, 0x02, 0x00, 0xa0, 0xe3, 0x01, 0x00, 0x00, 0xeb, - 0x30, 0x40, 0xbd, 0xe8, 0x1e, 0xff, 0x2f, 0xe1, 0x70, 0x40, 0x2d, 0xe9, 0xf3, 0x46, 0xa0, 0xe3, - 0x00, 0x30, 0xa0, 0xe3, 0x00, 0x00, 0x50, 0xe3, 0x08, 0x00, 0x00, 0x9a, 0x8c, 0x50, 0x9f, 0xe5, - 0x03, 0x60, 0xd5, 0xe7, 0x0c, 0x60, 0x84, 0xe5, 0x10, 0x60, 0x94, 0xe5, 0x02, 0x00, 0x16, 0xe3, - 0xfc, 0xff, 0xff, 0x0a, 0x01, 0x30, 0x83, 0xe2, 0x00, 0x00, 0x53, 0xe1, 0xf7, 0xff, 0xff, 0x3a, - 0xff, 0x30, 0xa0, 0xe3, 0x0c, 0x30, 0x84, 0xe5, 0x08, 0x00, 0x94, 0xe5, 0x10, 0x00, 0x94, 0xe5, - 0x01, 0x00, 0x10, 0xe3, 0xfc, 0xff, 0xff, 0x0a, 0x08, 0x00, 0x94, 0xe5, 0x00, 0x00, 0xa0, 0xe3, - 0x00, 0x00, 0x52, 0xe3, 0x0b, 0x00, 0x00, 0x9a, 0x10, 0x50, 0x94, 0xe5, 0x02, 0x00, 0x15, 0xe3, - 0xfc, 0xff, 0xff, 0x0a, 0x0c, 0x30, 0x84, 0xe5, 0x10, 0x50, 0x94, 0xe5, 0x01, 0x00, 0x15, 0xe3, - 0xfc, 0xff, 0xff, 0x0a, 0x08, 0x50, 0x94, 0xe5, 0x01, 0x50, 0xc1, 0xe4, 0x01, 0x00, 0x80, 0xe2, - 0x02, 0x00, 0x50, 0xe1, 0xf3, 0xff, 0xff, 0x3a, 0xc8, 0x00, 0xa0, 0xe3, 0x98, 0xff, 0xff, 0xeb, - 0x70, 0x40, 0xbd, 0xe8, 0x1e, 0xff, 0x2f, 0xe1, 0x01, 0x0c, 0x00, 0x02, 0x01, 0x02, 0x00, 0x02, - 0x00, 0x01, 0x00, 0x02 -}; - -struct atmel_private { - void *card; /* Bus dependent structure varies for PCcard */ - int (*present_callback)(void *); /* And callback which uses it */ - char firmware_id[32]; - AtmelFWType firmware_type; - u8 *firmware; - int firmware_length; - struct timer_list management_timer; - struct net_device *dev; - struct device *sys_dev; - struct iw_statistics wstats; - spinlock_t irqlock, timerlock; /* spinlocks */ - enum { BUS_TYPE_PCCARD, BUS_TYPE_PCI } bus_type; - enum { - CARD_TYPE_PARALLEL_FLASH, - CARD_TYPE_SPI_FLASH, - CARD_TYPE_EEPROM - } card_type; - int do_rx_crc; /* If we need to CRC incoming packets */ - int probe_crc; /* set if we don't yet know */ - int crc_ok_cnt, crc_ko_cnt; /* counters for probing */ - u16 rx_desc_head; - u16 tx_desc_free, tx_desc_head, tx_desc_tail, tx_desc_previous; - u16 tx_free_mem, tx_buff_head, tx_buff_tail; - - u16 frag_seq, frag_len, frag_no; - u8 frag_source[6]; - - u8 wep_is_on, default_key, exclude_unencrypted, encryption_level; - u8 group_cipher_suite, pairwise_cipher_suite; - u8 wep_keys[MAX_ENCRYPTION_KEYS][MAX_ENCRYPTION_KEY_SIZE]; - int wep_key_len[MAX_ENCRYPTION_KEYS]; - int use_wpa, radio_on_broken; /* firmware dependent stuff. */ - - u16 host_info_base; - struct host_info_struct { - /* NB this is matched to the hardware, don't change. */ - u8 volatile int_status; - u8 volatile int_mask; - u8 volatile lockout_host; - u8 volatile lockout_mac; - - u16 tx_buff_pos; - u16 tx_buff_size; - u16 tx_desc_pos; - u16 tx_desc_count; - - u16 rx_buff_pos; - u16 rx_buff_size; - u16 rx_desc_pos; - u16 rx_desc_count; - - u16 build_version; - u16 command_pos; - - u16 major_version; - u16 minor_version; - - u16 func_ctrl; - u16 mac_status; - u16 generic_IRQ_type; - u8 reserved[2]; - } host_info; - - enum { - STATION_STATE_SCANNING, - STATION_STATE_JOINNING, - STATION_STATE_AUTHENTICATING, - STATION_STATE_ASSOCIATING, - STATION_STATE_READY, - STATION_STATE_REASSOCIATING, - STATION_STATE_DOWN, - STATION_STATE_MGMT_ERROR - } station_state; - - int operating_mode, power_mode; - unsigned long last_qual; - int beacons_this_sec; - int channel; - int reg_domain, config_reg_domain; - int tx_rate; - int auto_tx_rate; - int rts_threshold; - int frag_threshold; - int long_retry, short_retry; - int preamble; - int default_beacon_period, beacon_period, listen_interval; - int CurrentAuthentTransactionSeqNum, ExpectedAuthentTransactionSeqNum; - int AuthenticationRequestRetryCnt, AssociationRequestRetryCnt, ReAssociationRequestRetryCnt; - enum { - SITE_SURVEY_IDLE, - SITE_SURVEY_IN_PROGRESS, - SITE_SURVEY_COMPLETED - } site_survey_state; - unsigned long last_survey; - - int station_was_associated, station_is_associated; - int fast_scan; - - struct bss_info { - int channel; - int SSIDsize; - int RSSI; - int UsingWEP; - int preamble; - int beacon_period; - int BSStype; - u8 BSSID[6]; - u8 SSID[MAX_SSID_LENGTH]; - } BSSinfo[MAX_BSS_ENTRIES]; - int BSS_list_entries, current_BSS; - int connect_to_any_BSS; - int SSID_size, new_SSID_size; - u8 CurrentBSSID[6], BSSID[6]; - u8 SSID[MAX_SSID_LENGTH], new_SSID[MAX_SSID_LENGTH]; - u64 last_beacon_timestamp; - u8 rx_buf[MAX_WIRELESS_BODY]; -}; - -static u8 atmel_basic_rates[4] = {0x82, 0x84, 0x0b, 0x16}; - -static const struct { - int reg_domain; - int min, max; - char *name; -} channel_table[] = { { REG_DOMAIN_FCC, 1, 11, "USA" }, - { REG_DOMAIN_DOC, 1, 11, "Canada" }, - { REG_DOMAIN_ETSI, 1, 13, "Europe" }, - { REG_DOMAIN_SPAIN, 10, 11, "Spain" }, - { REG_DOMAIN_FRANCE, 10, 13, "France" }, - { REG_DOMAIN_MKK, 14, 14, "MKK" }, - { REG_DOMAIN_MKK1, 1, 14, "MKK1" }, - { REG_DOMAIN_ISRAEL, 3, 9, "Israel"} }; - -static void build_wpa_mib(struct atmel_private *priv); -static void atmel_copy_to_card(struct net_device *dev, u16 dest, - const unsigned char *src, u16 len); -static void atmel_copy_to_host(struct net_device *dev, unsigned char *dest, - u16 src, u16 len); -static void atmel_set_gcr(struct net_device *dev, u16 mask); -static void atmel_clear_gcr(struct net_device *dev, u16 mask); -static int atmel_lock_mac(struct atmel_private *priv); -static void atmel_wmem32(struct atmel_private *priv, u16 pos, u32 data); -static void atmel_command_irq(struct atmel_private *priv); -static int atmel_validate_channel(struct atmel_private *priv, int channel); -static void atmel_management_frame(struct atmel_private *priv, - struct ieee80211_hdr *header, - u16 frame_len, u8 rssi); -static void atmel_management_timer(struct timer_list *t); -static void atmel_send_command(struct atmel_private *priv, int command, - void *cmd, int cmd_size); -static int atmel_send_command_wait(struct atmel_private *priv, int command, - void *cmd, int cmd_size); -static void atmel_transmit_management_frame(struct atmel_private *priv, - struct ieee80211_hdr *header, - u8 *body, int body_len); - -static u8 atmel_get_mib8(struct atmel_private *priv, u8 type, u8 index); -static void atmel_set_mib8(struct atmel_private *priv, u8 type, u8 index, - u8 data); -static void atmel_set_mib16(struct atmel_private *priv, u8 type, u8 index, - u16 data); -static void atmel_set_mib(struct atmel_private *priv, u8 type, u8 index, - const u8 *data, int data_len); -static void atmel_get_mib(struct atmel_private *priv, u8 type, u8 index, - u8 *data, int data_len); -static void atmel_scan(struct atmel_private *priv, int specific_ssid); -static void atmel_join_bss(struct atmel_private *priv, int bss_index); -static void atmel_smooth_qual(struct atmel_private *priv); -static void atmel_writeAR(struct net_device *dev, u16 data); -static int probe_atmel_card(struct net_device *dev); -static int reset_atmel_card(struct net_device *dev); -static void atmel_enter_state(struct atmel_private *priv, int new_state); -int atmel_open (struct net_device *dev); - -static inline u16 atmel_hi(struct atmel_private *priv, u16 offset) -{ - return priv->host_info_base + offset; -} - -static inline u16 atmel_co(struct atmel_private *priv, u16 offset) -{ - return priv->host_info.command_pos + offset; -} - -static inline u16 atmel_rx(struct atmel_private *priv, u16 offset, u16 desc) -{ - return priv->host_info.rx_desc_pos + (sizeof(struct rx_desc) * desc) + offset; -} - -static inline u16 atmel_tx(struct atmel_private *priv, u16 offset, u16 desc) -{ - return priv->host_info.tx_desc_pos + (sizeof(struct tx_desc) * desc) + offset; -} - -static inline u8 atmel_read8(struct net_device *dev, u16 offset) -{ - return inb(dev->base_addr + offset); -} - -static inline void atmel_write8(struct net_device *dev, u16 offset, u8 data) -{ - outb(data, dev->base_addr + offset); -} - -static inline u16 atmel_read16(struct net_device *dev, u16 offset) -{ - return inw(dev->base_addr + offset); -} - -static inline void atmel_write16(struct net_device *dev, u16 offset, u16 data) -{ - outw(data, dev->base_addr + offset); -} - -static inline u8 atmel_rmem8(struct atmel_private *priv, u16 pos) -{ - atmel_writeAR(priv->dev, pos); - return atmel_read8(priv->dev, DR); -} - -static inline void atmel_wmem8(struct atmel_private *priv, u16 pos, u16 data) -{ - atmel_writeAR(priv->dev, pos); - atmel_write8(priv->dev, DR, data); -} - -static inline u16 atmel_rmem16(struct atmel_private *priv, u16 pos) -{ - atmel_writeAR(priv->dev, pos); - return atmel_read16(priv->dev, DR); -} - -static inline void atmel_wmem16(struct atmel_private *priv, u16 pos, u16 data) -{ - atmel_writeAR(priv->dev, pos); - atmel_write16(priv->dev, DR, data); -} - -static const struct iw_handler_def atmel_handler_def; - -static void tx_done_irq(struct atmel_private *priv) -{ - int i; - - for (i = 0; - atmel_rmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head)) == TX_DONE && - i < priv->host_info.tx_desc_count; - i++) { - u8 status = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_STATUS_OFFSET, priv->tx_desc_head)); - u16 msdu_size = atmel_rmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_head)); - u8 type = atmel_rmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_head)); - - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_head), 0); - - priv->tx_free_mem += msdu_size; - priv->tx_desc_free++; - - if (priv->tx_buff_head + msdu_size > (priv->host_info.tx_buff_pos + priv->host_info.tx_buff_size)) - priv->tx_buff_head = 0; - else - priv->tx_buff_head += msdu_size; - - if (priv->tx_desc_head < (priv->host_info.tx_desc_count - 1)) - priv->tx_desc_head++ ; - else - priv->tx_desc_head = 0; - - if (type == TX_PACKET_TYPE_DATA) { - if (status == TX_STATUS_SUCCESS) - priv->dev->stats.tx_packets++; - else - priv->dev->stats.tx_errors++; - netif_wake_queue(priv->dev); - } - } -} - -static u16 find_tx_buff(struct atmel_private *priv, u16 len) -{ - u16 bottom_free = priv->host_info.tx_buff_size - priv->tx_buff_tail; - - if (priv->tx_desc_free == 3 || priv->tx_free_mem < len) - return 0; - - if (bottom_free >= len) - return priv->host_info.tx_buff_pos + priv->tx_buff_tail; - - if (priv->tx_free_mem - bottom_free >= len) { - priv->tx_buff_tail = 0; - return priv->host_info.tx_buff_pos; - } - - return 0; -} - -static void tx_update_descriptor(struct atmel_private *priv, int is_bcast, - u16 len, u16 buff, u8 type) -{ - atmel_wmem16(priv, atmel_tx(priv, TX_DESC_POS_OFFSET, priv->tx_desc_tail), buff); - atmel_wmem16(priv, atmel_tx(priv, TX_DESC_SIZE_OFFSET, priv->tx_desc_tail), len); - if (!priv->use_wpa) - atmel_wmem16(priv, atmel_tx(priv, TX_DESC_HOST_LENGTH_OFFSET, priv->tx_desc_tail), len); - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_PACKET_TYPE_OFFSET, priv->tx_desc_tail), type); - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_RATE_OFFSET, priv->tx_desc_tail), priv->tx_rate); - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_RETRY_OFFSET, priv->tx_desc_tail), 0); - if (priv->use_wpa) { - int cipher_type, cipher_length; - if (is_bcast) { - cipher_type = priv->group_cipher_suite; - if (cipher_type == CIPHER_SUITE_WEP_64 || - cipher_type == CIPHER_SUITE_WEP_128) - cipher_length = 8; - else if (cipher_type == CIPHER_SUITE_TKIP) - cipher_length = 12; - else if (priv->pairwise_cipher_suite == CIPHER_SUITE_WEP_64 || - priv->pairwise_cipher_suite == CIPHER_SUITE_WEP_128) { - cipher_type = priv->pairwise_cipher_suite; - cipher_length = 8; - } else { - cipher_type = CIPHER_SUITE_NONE; - cipher_length = 0; - } - } else { - cipher_type = priv->pairwise_cipher_suite; - if (cipher_type == CIPHER_SUITE_WEP_64 || - cipher_type == CIPHER_SUITE_WEP_128) - cipher_length = 8; - else if (cipher_type == CIPHER_SUITE_TKIP) - cipher_length = 12; - else if (priv->group_cipher_suite == CIPHER_SUITE_WEP_64 || - priv->group_cipher_suite == CIPHER_SUITE_WEP_128) { - cipher_type = priv->group_cipher_suite; - cipher_length = 8; - } else { - cipher_type = CIPHER_SUITE_NONE; - cipher_length = 0; - } - } - - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_TYPE_OFFSET, priv->tx_desc_tail), - cipher_type); - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_CIPHER_LENGTH_OFFSET, priv->tx_desc_tail), - cipher_length); - } - atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_tail), 0x80000000L); - atmel_wmem8(priv, atmel_tx(priv, TX_DESC_FLAGS_OFFSET, priv->tx_desc_tail), TX_FIRM_OWN); - if (priv->tx_desc_previous != priv->tx_desc_tail) - atmel_wmem32(priv, atmel_tx(priv, TX_DESC_NEXT_OFFSET, priv->tx_desc_previous), 0); - priv->tx_desc_previous = priv->tx_desc_tail; - if (priv->tx_desc_tail < (priv->host_info.tx_desc_count - 1)) - priv->tx_desc_tail++; - else - priv->tx_desc_tail = 0; - priv->tx_desc_free--; - priv->tx_free_mem -= len; -} - -static netdev_tx_t start_tx(struct sk_buff *skb, struct net_device *dev) -{ - struct atmel_private *priv = netdev_priv(dev); - struct ieee80211_hdr header; - unsigned long flags; - u16 buff, frame_ctl, len = (ETH_ZLEN < skb->len) ? skb->len : ETH_ZLEN; - - if (priv->card && priv->present_callback && - !(*priv->present_callback)(priv->card)) { - dev->stats.tx_errors++; - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - if (priv->station_state != STATION_STATE_READY) { - dev->stats.tx_errors++; - dev_kfree_skb(skb); - return NETDEV_TX_OK; - } - - /* first ensure the timer func cannot run */ - spin_lock_bh(&priv->timerlock); - /* then stop the hardware ISR */ - spin_lock_irqsave(&priv->irqlock, flags); - /* nb doing the above in the opposite order will deadlock */ - - /* The Wireless Header is 30 bytes. In the Ethernet packet we "cut" the - 12 first bytes (containing DA/SA) and put them in the appropriate - fields of the Wireless Header. Thus the packet length is then the - initial + 18 (+30-12) */ - - if (!(buff = find_tx_buff(priv, len + 18))) { - dev->stats.tx_dropped++; - spin_unlock_irqrestore(&priv->irqlock, flags); - spin_unlock_bh(&priv->timerlock); - netif_stop_queue(dev); - return NETDEV_TX_BUSY; - } - - frame_ctl = IEEE80211_FTYPE_DATA; - header.duration_id = 0; - header.seq_ctrl = 0; - if (priv->wep_is_on) - frame_ctl |= IEEE80211_FCTL_PROTECTED; - if (priv->operating_mode == IW_MODE_ADHOC) { - skb_copy_from_linear_data(skb, &header.addr1, ETH_ALEN); - memcpy(&header.addr2, dev->dev_addr, ETH_ALEN); - memcpy(&header.addr3, priv->BSSID, ETH_ALEN); - } else { - frame_ctl |= IEEE80211_FCTL_TODS; - memcpy(&header.addr1, priv->CurrentBSSID, ETH_ALEN); - memcpy(&header.addr2, dev->dev_addr, ETH_ALEN); - skb_copy_from_linear_data(skb, &header.addr3, ETH_ALEN); - } - - if (priv->use_wpa) - memcpy(&header.addr4, rfc1042_header, ETH_ALEN); - - header.frame_control = cpu_to_le16(frame_ctl); - /* Copy the wireless header into the card */ - atmel_copy_to_card(dev, buff, (unsigned char *)&header, DATA_FRAME_WS_HEADER_SIZE); - /* Copy the packet sans its 802.3 header addresses which have been replaced */ - atmel_copy_to_card(dev, buff + DATA_FRAME_WS_HEADER_SIZE, skb->data + 12, len - 12); - priv->tx_buff_tail += len - 12 + DATA_FRAME_WS_HEADER_SIZE; - - /* low bit of first byte of destination tells us if broadcast */ - tx_update_descriptor(priv, *(skb->data) & 0x01, len + 18, buff, TX_PACKET_TYPE_DATA); - dev->stats.tx_bytes += len; - - spin_unlock_irqrestore(&priv->irqlock, flags); - spin_unlock_bh(&priv->timerlock); - dev_kfree_skb(skb); - - return NETDEV_TX_OK; -} - -static void atmel_transmit_management_frame(struct atmel_private *priv, - struct ieee80211_hdr *header, - u8 *body, int body_len) -{ - u16 buff; - int len = MGMT_FRAME_BODY_OFFSET + body_len; - - if (!(buff = find_tx_buff(priv, len))) - return; - - atmel_copy_to_card(priv->dev, buff, (u8 *)header, MGMT_FRAME_BODY_OFFSET); - atmel_copy_to_card(priv->dev, buff + MGMT_FRAME_BODY_OFFSET, body, body_len); - priv->tx_buff_tail += len; - tx_update_descriptor(priv, header->addr1[0] & 0x01, len, buff, TX_PACKET_TYPE_MGMT); -} - -static void fast_rx_path(struct atmel_private *priv, - struct ieee80211_hdr *header, - u16 msdu_size, u16 rx_packet_loc, u32 crc) -{ - /* fast path: unfragmented packet copy directly into skbuf */ - u8 mac4[6]; - struct sk_buff *skb; - unsigned char *skbp; - - /* get the final, mac 4 header field, this tells us encapsulation */ - atmel_copy_to_host(priv->dev, mac4, rx_packet_loc + 24, 6); - msdu_size -= 6; - - if (priv->do_rx_crc) { - crc = crc32_le(crc, mac4, 6); - msdu_size -= 4; - } - - if (!(skb = dev_alloc_skb(msdu_size + 14))) { - priv->dev->stats.rx_dropped++; - return; - } - - skb_reserve(skb, 2); - skbp = skb_put(skb, msdu_size + 12); - atmel_copy_to_host(priv->dev, skbp + 12, rx_packet_loc + 30, msdu_size); - - if (priv->do_rx_crc) { - u32 netcrc; - crc = crc32_le(crc, skbp + 12, msdu_size); - atmel_copy_to_host(priv->dev, (void *)&netcrc, rx_packet_loc + 30 + msdu_size, 4); - if ((crc ^ 0xffffffff) != netcrc) { - priv->dev->stats.rx_crc_errors++; - dev_kfree_skb(skb); - return; - } - } - - memcpy(skbp, header->addr1, ETH_ALEN); /* destination address */ - if (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FROMDS) - memcpy(&skbp[ETH_ALEN], header->addr3, ETH_ALEN); - else - memcpy(&skbp[ETH_ALEN], header->addr2, ETH_ALEN); /* source address */ - - skb->protocol = eth_type_trans(skb, priv->dev); - skb->ip_summed = CHECKSUM_NONE; - netif_rx(skb); - priv->dev->stats.rx_bytes += 12 + msdu_size; - priv->dev->stats.rx_packets++; -} - -/* Test to see if the packet in card memory at packet_loc has a valid CRC - It doesn't matter that this is slow: it is only used to proble the first few - packets. */ -static int probe_crc(struct atmel_private *priv, u16 packet_loc, u16 msdu_size) -{ - int i = msdu_size - 4; - u32 netcrc, crc = 0xffffffff; - - if (msdu_size < 4) - return 0; - - atmel_copy_to_host(priv->dev, (void *)&netcrc, packet_loc + i, 4); - - atmel_writeAR(priv->dev, packet_loc); - while (i--) { - u8 octet = atmel_read8(priv->dev, DR); - crc = crc32_le(crc, &octet, 1); - } - - return (crc ^ 0xffffffff) == netcrc; -} - -static void frag_rx_path(struct atmel_private *priv, - struct ieee80211_hdr *header, - u16 msdu_size, u16 rx_packet_loc, u32 crc, u16 seq_no, - u8 frag_no, int more_frags) -{ - u8 mac4[ETH_ALEN]; - u8 source[ETH_ALEN]; - struct sk_buff *skb; - - if (le16_to_cpu(header->frame_control) & IEEE80211_FCTL_FROMDS) - memcpy(source, header->addr3, ETH_ALEN); - else - memcpy(source, header->addr2, ETH_ALEN); - - rx_packet_loc += 24; /* skip header */ - - if (priv->do_rx_crc) - msdu_size -= 4; - - if (frag_no == 0) { /* first fragment */ - atmel_copy_to_host(priv->dev, mac4, rx_packet_loc, ETH_ALEN); - msdu_size -= ETH_ALEN; - rx_packet_loc += ETH_ALEN; - - if (priv->do_rx_crc) - crc = crc32_le(crc, mac4, 6); - - priv->frag_seq = seq_no; - priv->frag_no = 1; - priv |