diff options
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/Kconfig | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/Makefile | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/arlan-main.c | 1887 | ||||
| -rw-r--r-- | drivers/net/wireless/arlan-proc.c | 1253 | ||||
| -rw-r--r-- | drivers/net/wireless/arlan.h | 539 |
5 files changed, 0 insertions, 3699 deletions
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig index 5df47486e358..d50b3bee9a9b 100644 --- a/drivers/net/wireless/Kconfig +++ b/drivers/net/wireless/Kconfig @@ -25,22 +25,6 @@ menuconfig WLAN_PRE80211 This option does not affect the kernel build, it only lets you choose drivers. -config ARLAN - tristate "Aironet Arlan 655 & IC2200 DS support" - depends on ISA && !64BIT && WLAN_PRE80211 - select WIRELESS_EXT - ---help--- - Aironet makes Arlan, a class of wireless LAN adapters. These use the - www.Telxon.com chip, which is also used on several similar cards. - This driver is tested on the 655 and IC2200 series cards. Look at - <http://www.ylenurme.ee/~elmer/655/> for the latest information. - - The driver is built as two modules, arlan and arlan-proc. The latter - is the /proc interface and is not needed most of time. - - On some computers the card ends up in non-valid state after some - time. Use a ping-reset script to clear it. - config WAVELAN tristate "AT&T/Lucent old WaveLAN & DEC RoamAbout DS ISA support" depends on ISA && WLAN_PRE80211 diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile index 527c272aa1af..b56c70f4ca75 100644 --- a/drivers/net/wireless/Makefile +++ b/drivers/net/wireless/Makefile @@ -5,10 +5,6 @@ obj-$(CONFIG_IPW2100) += ipw2x00/ obj-$(CONFIG_IPW2200) += ipw2x00/ -obj-$(CONFIG_ARLAN) += arlan.o - -arlan-objs := arlan-main.o arlan-proc.o - # Obsolete cards obj-$(CONFIG_WAVELAN) += wavelan.o obj-$(CONFIG_PCMCIA_NETWAVE) += netwave_cs.o diff --git a/drivers/net/wireless/arlan-main.c b/drivers/net/wireless/arlan-main.c deleted file mode 100644 index 921a082487a1..000000000000 --- a/drivers/net/wireless/arlan-main.c +++ /dev/null @@ -1,1887 +0,0 @@ -/* - * Copyright (C) 1997 Cullen Jennings - * Copyright (C) 1998 Elmer Joandiu, elmer@ylenurme.ee - * GNU General Public License applies - * This module provides support for the Arlan 655 card made by Aironet - */ - -#include "arlan.h" - -#if BITS_PER_LONG != 32 -# error FIXME: this driver requires a 32-bit platform -#endif - -static const char *arlan_version = "C.Jennigs 97 & Elmer.Joandi@ut.ee Oct'98, http://www.ylenurme.ee/~elmer/655/"; - -struct net_device *arlan_device[MAX_ARLANS]; - -static int SID = SIDUNKNOWN; -static int radioNodeId = radioNodeIdUNKNOWN; -static char encryptionKey[12] = {'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h'}; -int arlan_debug = debugUNKNOWN; -static int spreadingCode = spreadingCodeUNKNOWN; -static int channelNumber = channelNumberUNKNOWN; -static int channelSet = channelSetUNKNOWN; -static int systemId = systemIdUNKNOWN; -static int registrationMode = registrationModeUNKNOWN; -static int keyStart; -static int tx_delay_ms; -static int retries = 5; -static int tx_queue_len = 1; -static int arlan_EEPROM_bad; - -#ifdef ARLAN_DEBUGGING - -static int testMemory = testMemoryUNKNOWN; -static int irq = irqUNKNOWN; -static int txScrambled = 1; -static int mdebug; - -module_param(irq, int, 0); -module_param(mdebug, int, 0); -module_param(testMemory, int, 0); -module_param(txScrambled, int, 0); -MODULE_PARM_DESC(irq, "(unused)"); -MODULE_PARM_DESC(testMemory, "(unused)"); -MODULE_PARM_DESC(mdebug, "Arlan multicast debugging (0-1)"); -#endif - -module_param_named(debug, arlan_debug, int, 0); -module_param(spreadingCode, int, 0); -module_param(channelNumber, int, 0); -module_param(channelSet, int, 0); -module_param(systemId, int, 0); -module_param(registrationMode, int, 0); -module_param(radioNodeId, int, 0); -module_param(SID, int, 0); -module_param(keyStart, int, 0); -module_param(tx_delay_ms, int, 0); -module_param(retries, int, 0); -module_param(tx_queue_len, int, 0); -module_param_named(EEPROM_bad, arlan_EEPROM_bad, int, 0); -MODULE_PARM_DESC(debug, "Arlan debug enable (0-1)"); -MODULE_PARM_DESC(retries, "Arlan maximum packet retransmisions"); -#ifdef ARLAN_ENTRY_EXIT_DEBUGGING -static int arlan_entry_debug; -static int arlan_exit_debug; -static int arlan_entry_and_exit_debug; -module_param_named(entry_debug, arlan_entry_debug, int, 0); -module_param_named(exit_debug, arlan_exit_debug, int, 0); -module_param_named(entry_and_exit_debug, arlan_entry_and_exit_debug, int, 0); -MODULE_PARM_DESC(entry_debug, "Arlan driver function entry debugging"); -MODULE_PARM_DESC(exit_debug, "Arlan driver function exit debugging"); -MODULE_PARM_DESC(entry_and_exit_debug, "Arlan driver function entry and exit debugging"); -#endif - -struct arlan_conf_stru arlan_conf[MAX_ARLANS]; -static int arlans_found; - -static int arlan_open(struct net_device *dev); -static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev); -static irqreturn_t arlan_interrupt(int irq, void *dev_id); -static int arlan_close(struct net_device *dev); -static struct net_device_stats * - arlan_statistics (struct net_device *dev); -static void arlan_set_multicast (struct net_device *dev); -static int arlan_hw_tx (struct net_device* dev, char *buf, int length ); -static int arlan_hw_config (struct net_device * dev); -static void arlan_tx_done_interrupt (struct net_device * dev, int status); -static void arlan_rx_interrupt (struct net_device * dev, u_char rxStatus, u_short, u_short); -static void arlan_process_interrupt (struct net_device * dev); -static void arlan_tx_timeout (struct net_device *dev); - -static inline long us2ticks(int us) -{ - return us * (1000000 / HZ); -} - - -#ifdef ARLAN_ENTRY_EXIT_DEBUGGING -#define ARLAN_DEBUG_ENTRY(name) \ - {\ - struct timeval timev;\ - do_gettimeofday(&timev);\ - if (arlan_entry_debug || arlan_entry_and_exit_debug)\ - printk("--->>>" name " %ld " "\n",((long int) timev.tv_sec * 1000000 + timev.tv_usec));\ - } -#define ARLAN_DEBUG_EXIT(name) \ - {\ - struct timeval timev;\ - do_gettimeofday(&timev);\ - if (arlan_exit_debug || arlan_entry_and_exit_debug)\ - printk("<<<---" name " %ld " "\n",((long int) timev.tv_sec * 1000000 + timev.tv_usec) );\ - } -#else -#define ARLAN_DEBUG_ENTRY(name) -#define ARLAN_DEBUG_EXIT(name) -#endif - - -#define arlan_interrupt_ack(dev)\ - clearClearInterrupt(dev);\ - setClearInterrupt(dev); - -static inline int arlan_drop_tx(struct net_device *dev) -{ - struct arlan_private *priv = netdev_priv(dev); - - dev->stats.tx_errors++; - if (priv->Conf->tx_delay_ms) - { - priv->tx_done_delayed = jiffies + priv->Conf->tx_delay_ms * HZ / 1000 + 1; - } - else - { - priv->waiting_command_mask &= ~ARLAN_COMMAND_TX; - TXHEAD(dev).offset = 0; - TXTAIL(dev).offset = 0; - priv->txLast = 0; - priv->bad = 0; - if (!priv->under_reset && !priv->under_config) - netif_wake_queue (dev); - } - return 1; -} - - -int arlan_command(struct net_device *dev, int command_p) -{ - struct arlan_private *priv = netdev_priv(dev); - volatile struct arlan_shmem __iomem *arlan = priv->card; - struct arlan_conf_stru *conf = priv->Conf; - int udelayed = 0; - int i = 0; - unsigned long flags; - - ARLAN_DEBUG_ENTRY("arlan_command"); - - if (priv->card_polling_interval) - priv->card_polling_interval = 1; - - if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS) - printk(KERN_DEBUG "arlan_command, %lx commandByte %x waiting %lx incoming %x \n", - jiffies, READSHMB(arlan->commandByte), - priv->waiting_command_mask, command_p); - - priv->waiting_command_mask |= command_p; - - if (priv->waiting_command_mask & ARLAN_COMMAND_RESET) - if (time_after(jiffies, priv->lastReset + 5 * HZ)) - priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET; - - if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ACK) - { - arlan_interrupt_ack(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ACK; - } - if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ENABLE) - { - setInterruptEnable(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ENABLE; - } - - /* Card access serializing lock */ - spin_lock_irqsave(&priv->lock, flags); - - /* Check cards status and waiting */ - - if (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) - { - while (priv->waiting_command_mask & (ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW)) - { - if (READSHMB(arlan->resetFlag) || - READSHMB(arlan->commandByte)) /* || - (readControlRegister(dev) & ARLAN_ACCESS)) - */ - udelay(40); - else - priv->waiting_command_mask &= ~(ARLAN_COMMAND_LONG_WAIT_NOW | ARLAN_COMMAND_WAIT_NOW); - - udelayed++; - - if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW) - { - if (udelayed * 40 > 1000000) - { - printk(KERN_ERR "%s long wait too long \n", dev->name); - priv->waiting_command_mask |= ARLAN_COMMAND_RESET; - break; - } - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_WAIT_NOW) - { - if (udelayed * 40 > 1000) - { - printk(KERN_ERR "%s short wait too long \n", dev->name); - goto bad_end; - } - } - } - } - else - { - i = 0; - while ((READSHMB(arlan->resetFlag) || - READSHMB(arlan->commandByte)) && - conf->pre_Command_Wait > (i++) * 10) - udelay(10); - - - if ((READSHMB(arlan->resetFlag) || - READSHMB(arlan->commandByte)) && - !(priv->waiting_command_mask & ARLAN_COMMAND_RESET)) - { - goto card_busy_end; - } - } - if (priv->waiting_command_mask & ARLAN_COMMAND_RESET) - priv->under_reset = 1; - if (priv->waiting_command_mask & ARLAN_COMMAND_CONF) - priv->under_config = 1; - - /* Issuing command */ - arlan_lock_card_access(dev); - if (priv->waiting_command_mask & ARLAN_COMMAND_POWERUP) - { - // if (readControlRegister(dev) & (ARLAN_ACCESS && ARLAN_POWER)) - setPowerOn(dev); - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_POWERUP; - priv->waiting_command_mask |= ARLAN_COMMAND_RESET; - priv->card_polling_interval = HZ / 10; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_ACTIVATE) - { - WRITESHMB(arlan->commandByte, ARLAN_COM_ACTIVATE); - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_ACTIVATE; - priv->card_polling_interval = HZ / 10; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_RX_ABORT) - { - if (priv->rx_command_given) - { - WRITESHMB(arlan->commandByte, ARLAN_COM_RX_ABORT); - arlan_interrupt_lancpu(dev); - priv->rx_command_given = 0; - } - priv->waiting_command_mask &= ~ARLAN_COMMAND_RX_ABORT; - priv->card_polling_interval = 1; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_TX_ABORT) - { - if (priv->tx_command_given) - { - WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ABORT); - arlan_interrupt_lancpu(dev); - priv->tx_command_given = 0; - } - priv->waiting_command_mask &= ~ARLAN_COMMAND_TX_ABORT; - priv->card_polling_interval = 1; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_RESET) - { - priv->under_reset=1; - netif_stop_queue (dev); - - arlan_drop_tx(dev); - if (priv->tx_command_given || priv->rx_command_given) - { - printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name); - } - netif_stop_queue (dev); - if (arlan_debug & ARLAN_DEBUG_RESET) - printk(KERN_ERR "%s: Doing chip reset\n", dev->name); - priv->lastReset = jiffies; - WRITESHM(arlan->commandByte, 0, u_char); - /* hold card in reset state */ - setHardwareReset(dev); - /* set reset flag and then release reset */ - WRITESHM(arlan->resetFlag, 0xff, u_char); - clearChannelAttention(dev); - clearHardwareReset(dev); - priv->card_polling_interval = HZ / 4; - priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET; - priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK; -// priv->waiting_command_mask |= ARLAN_COMMAND_INT_RENABLE; -// priv->waiting_command_mask |= ARLAN_COMMAND_RX; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RACK) - { - clearHardwareReset(dev); - clearClearInterrupt(dev); - setClearInterrupt(dev); - setInterruptEnable(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RACK; - priv->waiting_command_mask |= ARLAN_COMMAND_CONF; - priv->under_config = 1; - priv->under_reset = 0; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_INT_RENABLE) - { - setInterruptEnable(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_RENABLE; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF) - { - if (priv->tx_command_given || priv->rx_command_given) - { - printk(KERN_ERR "%s: Reset under tx or rx command \n", dev->name); - } - arlan_drop_tx(dev); - setInterruptEnable(dev); - arlan_hw_config(dev); - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF; - priv->card_polling_interval = HZ / 10; -// priv->waiting_command_mask |= ARLAN_COMMAND_INT_RACK; -// priv->waiting_command_mask |= ARLAN_COMMAND_INT_ENABLE; - priv->waiting_command_mask |= ARLAN_COMMAND_CONF_WAIT; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF_WAIT) - { - if (READSHMB(arlan->configuredStatusFlag) != 0 && - READSHMB(arlan->diagnosticInfo) == 0xff) - { - priv->waiting_command_mask &= ~ARLAN_COMMAND_CONF_WAIT; - priv->waiting_command_mask |= ARLAN_COMMAND_RX; - priv->waiting_command_mask |= ARLAN_COMMAND_TBUSY_CLEAR; - priv->card_polling_interval = HZ / 10; - priv->tx_command_given = 0; - priv->under_config = 0; - } - else - { - priv->card_polling_interval = 1; - if (arlan_debug & ARLAN_DEBUG_TIMING) - printk(KERN_ERR "configure delayed \n"); - } - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_RX) - { - if (!registrationBad(dev)) - { - setInterruptEnable(dev); - memset_io(arlan->commandParameter, 0, 0xf); - WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_RX_ENABLE); - WRITESHMB(arlan->commandParameter[0], conf->rxParameter); - arlan_interrupt_lancpu(dev); - priv->rx_command_given = 0; // mnjah, bad - priv->waiting_command_mask &= ~ARLAN_COMMAND_RX; - priv->card_polling_interval = 1; - } - else - priv->card_polling_interval = 2; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_TBUSY_CLEAR) - { - if ( !registrationBad(dev) && - (netif_queue_stopped(dev) || !netif_running(dev)) ) - { - priv->waiting_command_mask &= ~ARLAN_COMMAND_TBUSY_CLEAR; - netif_wake_queue (dev); - } - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_TX) - { - if (!test_and_set_bit(0, (void *) &priv->tx_command_given)) - { - if (time_after(jiffies, - priv->tx_last_sent + us2ticks(conf->rx_tweak1)) - || time_before(jiffies, - priv->last_rx_int_ack_time + us2ticks(conf->rx_tweak2))) - { - setInterruptEnable(dev); - memset_io(arlan->commandParameter, 0, 0xf); - WRITESHMB(arlan->commandByte, ARLAN_COM_TX_ENABLE | ARLAN_COM_INT); - memcpy_toio(arlan->commandParameter, &TXLAST(dev), 14); -// for ( i=1 ; i < 15 ; i++) printk("%02x:",READSHMB(arlan->commandParameter[i])); - priv->tx_last_sent = jiffies; - arlan_interrupt_lancpu(dev); - priv->tx_command_given = 1; - priv->waiting_command_mask &= ~ARLAN_COMMAND_TX; - priv->card_polling_interval = 1; - } - else - { - priv->tx_command_given = 0; - priv->card_polling_interval = 1; - } - } - else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS) - printk(KERN_ERR "tx command when tx chain locked \n"); - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOPINT) - { - { - WRITESHMB(arlan->commandByte, ARLAN_COM_NOP | ARLAN_COM_INT); - } - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOPINT; - priv->card_polling_interval = HZ / 3; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_NOOP) - { - WRITESHMB(arlan->commandByte, ARLAN_COM_NOP); - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_NOOP; - priv->card_polling_interval = HZ / 3; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_SLOW_POLL) - { - WRITESHMB(arlan->commandByte, ARLAN_COM_GOTO_SLOW_POLL); - arlan_interrupt_lancpu(dev); - priv->waiting_command_mask &= ~ARLAN_COMMAND_SLOW_POLL; - priv->card_polling_interval = HZ / 3; - } - else if (priv->waiting_command_mask & ARLAN_COMMAND_POWERDOWN) - { - setPowerOff(dev); - if (arlan_debug & ARLAN_DEBUG_CARD_STATE) - printk(KERN_WARNING "%s: Arlan Going Standby\n", dev->name); - priv->waiting_command_mask &= ~ARLAN_COMMAND_POWERDOWN; - priv->card_polling_interval = 3 * HZ; - } - arlan_unlock_card_access(dev); - for (i = 0; READSHMB(arlan->commandByte) && i < 20; i++) - udelay(10); - if (READSHMB(arlan->commandByte)) - if (arlan_debug & ARLAN_DEBUG_CARD_STATE) - printk(KERN_ERR "card busy leaving command %lx\n", priv->waiting_command_mask); - - spin_unlock_irqrestore(&priv->lock, flags); - ARLAN_DEBUG_EXIT("arlan_command"); - priv->last_command_buff_free_time = jiffies; - return 0; - -card_busy_end: - if (time_after(jiffies, priv->last_command_buff_free_time + HZ)) - priv->waiting_command_mask |= ARLAN_COMMAND_CLEAN_AND_RESET; - - if (arlan_debug & ARLAN_DEBUG_CARD_STATE) - printk(KERN_ERR "%s arlan_command card busy end \n", dev->name); - spin_unlock_irqrestore(&priv->lock, flags); - ARLAN_DEBUG_EXIT("arlan_command"); - return 1; - -bad_end: - printk(KERN_ERR "%s arlan_command bad end \n", dev->name); - - spin_unlock_irqrestore(&priv->lock, flags); - ARLAN_DEBUG_EXIT("arlan_command"); - - return -1; -} - -static inline void arlan_command_process(struct net_device *dev) -{ - struct arlan_private *priv = netdev_priv(dev); - - int times = 0; - while (priv->waiting_command_mask && times < 8) - { - if (priv->waiting_command_mask) - { - if (arlan_command(dev, 0)) - break; - times++; - } - /* if long command, we won't repeat trying */ ; - if (priv->card_polling_interval > 1) - break; - times++; - } -} - - -static inline void arlan_retransmit_now(struct net_device *dev) -{ - struct arlan_private *priv = netdev_priv(dev); - - - ARLAN_DEBUG_ENTRY("arlan_retransmit_now"); - if (TXLAST(dev).offset == 0) - { - if (TXHEAD(dev).offset) - { - priv->txLast = 0; - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to head \n"); - - } - else if (TXTAIL(dev).offset) - { - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail \n"); - priv->txLast = 1; - } - else - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "ReTransmit buff empty"); - netif_wake_queue (dev); - return; - - } - arlan_command(dev, ARLAN_COMMAND_TX); - - priv->Conf->driverRetransmissions++; - priv->retransmissions++; - - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("Retransmit %d bytes \n", TXLAST(dev).length); - - ARLAN_DEBUG_EXIT("arlan_retransmit_now"); -} - - - -static void arlan_registration_timer(unsigned long data) -{ - struct net_device *dev = (struct net_device *) data; - struct arlan_private *priv = netdev_priv(dev); - int bh_mark_needed = 0; - int next_tick = 1; - long lostTime = ((long)jiffies - (long)priv->registrationLastSeen) - * (1000/HZ); - - if (registrationBad(dev)) - { - priv->registrationLostCount++; - if (lostTime > 7000 && lostTime < 7200) - { - printk(KERN_NOTICE "%s registration Lost \n", dev->name); - } - if (lostTime / priv->reRegisterExp > 2000) - arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF); - if (lostTime / (priv->reRegisterExp) > 3500) - arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET); - if (priv->reRegisterExp < 400) - priv->reRegisterExp += 2; - if (lostTime > 7200) - { - next_tick = HZ; - arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET); - } - } - else - { - if (priv->Conf->registrationMode && lostTime > 10000 && - priv->registrationLostCount) - { - printk(KERN_NOTICE "%s registration is back after %ld milliseconds\n", - dev->name, lostTime); - } - priv->registrationLastSeen = jiffies; - priv->registrationLostCount = 0; - priv->reRegisterExp = 1; - if (!netif_running(dev) ) - netif_wake_queue(dev); - if (time_after(priv->tx_last_sent,priv->tx_last_cleared) && - time_after(jiffies, priv->tx_last_sent * 5*HZ) ){ - arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET); - priv->tx_last_cleared = jiffies; - } - } - - - if (!registrationBad(dev) && priv->ReTransmitRequested) - { - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) - printk(KERN_ERR "Retransmit from timer \n"); - priv->ReTransmitRequested = 0; - arlan_retransmit_now(dev); - } - if (!registrationBad(dev) && - time_after(jiffies, priv->tx_done_delayed) && - priv->tx_done_delayed != 0) - { - TXLAST(dev).offset = 0; - if (priv->txLast) - priv->txLast = 0; - else if (TXTAIL(dev).offset) - priv->txLast = 1; - if (TXLAST(dev).offset) - { - arlan_retransmit_now(dev); - dev->trans_start = jiffies; - } - if (!(TXHEAD(dev).offset && TXTAIL(dev).offset)) - { - netif_wake_queue (dev); - } - priv->tx_done_delayed = 0; - bh_mark_needed = 1; - } - if (bh_mark_needed) - { - netif_wake_queue (dev); - } - arlan_process_interrupt(dev); - - if (next_tick < priv->card_polling_interval) - next_tick = priv->card_polling_interval; - - priv->timer.expires = jiffies + next_tick; - - add_timer(&priv->timer); -} - - -#ifdef ARLAN_DEBUGGING - -static void arlan_print_registers(struct net_device *dev, int line) -{ - struct arlan_private *priv = netdev_priv(dev); - volatile struct arlan_shmem *arlan = priv->card; - - u_char hostcpuLock, lancpuLock, controlRegister, cntrlRegImage, - txStatus, rxStatus, interruptInProgress, commandByte; - - - ARLAN_DEBUG_ENTRY("arlan_print_registers"); - READSHM(interruptInProgress, arlan->interruptInProgress, u_char); - READSHM(hostcpuLock, arlan->hostcpuLock, u_char); - READSHM(lancpuLock, arlan->lancpuLock, u_char); - READSHM(controlRegister, arlan->controlRegister, u_char); - READSHM(cntrlRegImage, arlan->cntrlRegImage, u_char); - READSHM(txStatus, arlan->txStatus, u_char); - READSHM(rxStatus, arlan->rxStatus, u_char); - READSHM(commandByte, arlan->commandByte, u_char); - - printk(KERN_WARNING "line %04d IP %02x HL %02x LL %02x CB %02x CR %02x CRI %02x TX %02x RX %02x\n", - line, interruptInProgress, hostcpuLock, lancpuLock, commandByte, - controlRegister, cntrlRegImage, txStatus, rxStatus); - - ARLAN_DEBUG_EXIT("arlan_print_registers"); -} -#endif - - -static int arlan_hw_tx(struct net_device *dev, char *buf, int length) -{ - int i; - - struct arlan_private *priv = netdev_priv(dev); - volatile struct arlan_shmem __iomem *arlan = priv->card; - struct arlan_conf_stru *conf = priv->Conf; - - int tailStarts = 0x800; - int headEnds = 0x0; - - - ARLAN_DEBUG_ENTRY("arlan_hw_tx"); - if (TXHEAD(dev).offset) - headEnds = (((TXHEAD(dev).offset + TXHEAD(dev).length - offsetof(struct arlan_shmem, txBuffer)) / 64) + 1) * 64; - if (TXTAIL(dev).offset) - tailStarts = 0x800 - (((TXTAIL(dev).offset - offsetof(struct arlan_shmem, txBuffer)) / 64) + 2) * 64; - - - if (!TXHEAD(dev).offset && length < tailStarts) - { - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) - printk(KERN_ERR "TXHEAD insert, tailStart %d\n", tailStarts); - - TXHEAD(dev).offset = - offsetof(struct arlan_shmem, txBuffer); - TXHEAD(dev).length = length - ARLAN_FAKE_HDR_LEN; - for (i = 0; i < 6; i++) - TXHEAD(dev).dest[i] = buf[i]; - TXHEAD(dev).clear = conf->txClear; - TXHEAD(dev).retries = conf->txRetries; /* 0 is use default */ - TXHEAD(dev).routing = conf->txRouting; - TXHEAD(dev).scrambled = conf->txScrambled; - memcpy_toio((char __iomem *)arlan + TXHEAD(dev).offset, buf + ARLAN_FAKE_HDR_LEN, TXHEAD(dev).length); - } - else if (!TXTAIL(dev).offset && length < (0x800 - headEnds)) - { - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) - printk(KERN_ERR "TXTAIL insert, headEnd %d\n", headEnds); - - TXTAIL(dev).offset = - offsetof(struct arlan_shmem, txBuffer) + 0x800 - (length / 64 + 2) * 64; - TXTAIL(dev).length = length - ARLAN_FAKE_HDR_LEN; - for (i = 0; i < 6; i++) - TXTAIL(dev).dest[i] = buf[i]; - TXTAIL(dev).clear = conf->txClear; - TXTAIL(dev).retries = conf->txRetries; - TXTAIL(dev).routing = conf->txRouting; - TXTAIL(dev).scrambled = conf->txScrambled; - memcpy_toio(((char __iomem *)arlan + TXTAIL(dev).offset), buf + ARLAN_FAKE_HDR_LEN, TXTAIL(dev).length); - } - else - { - netif_stop_queue (dev); - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) - printk(KERN_ERR "TX TAIL & HEAD full, return, tailStart %d headEnd %d\n", tailStarts, headEnds); - return -1; - } - priv->out_bytes += length; - priv->out_bytes10 += length; - if (conf->measure_rate < 1) - conf->measure_rate = 1; - if (time_after(jiffies, priv->out_time + conf->measure_rate * HZ)) - { - conf->out_speed = priv->out_bytes / conf->measure_rate; - priv->out_bytes = 0; - priv->out_time = jiffies; - } - if (time_after(jiffies, priv->out_time10 + conf->measure_rate * 10*HZ)) - { - conf->out_speed10 = priv->out_bytes10 / (10 * conf->measure_rate); - priv->out_bytes10 = 0; - priv->out_time10 = jiffies; - } - if (TXHEAD(dev).offset && TXTAIL(dev).offset) - { - netif_stop_queue (dev); - return 0; - } - else - netif_start_queue (dev); - - - IFDEBUG(ARLAN_DEBUG_HEADER_DUMP) - printk(KERN_WARNING "%s Transmit t %2x:%2x:%2x:%2x:%2x:%2x f %2x:%2x:%2x:%2x:%2x:%2x \n", dev->name, - (unsigned char) buf[0], (unsigned char) buf[1], (unsigned char) buf[2], (unsigned char) buf[3], - (unsigned char) buf[4], (unsigned char) buf[5], (unsigned char) buf[6], (unsigned char) buf[7], - (unsigned char) buf[8], (unsigned char) buf[9], (unsigned char) buf[10], (unsigned char) buf[11]); - - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "TX command prepare for buffer %d\n", priv->txLast); - - arlan_command(dev, ARLAN_COMMAND_TX); - - priv->tx_last_sent = jiffies; - - IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk("%s TX Qued %d bytes \n", dev->name, length); - - ARLAN_DEBUG_EXIT("arlan_hw_tx"); - - return 0; -} - - -static int arlan_hw_config(struct net_device *dev) -{ - struct arlan_private *priv = netdev_priv(dev); - volatile struct arlan_shmem __iomem *arlan = priv->card; - struct arlan_conf_stru *conf = priv->Conf; - - ARLAN_DEBUG_ENTRY("arlan_hw_config"); - - printk(KERN_NOTICE "%s arlan configure called \n", dev->name); - if (arlan_EEPROM_bad) - printk(KERN_NOTICE "arlan configure with eeprom bad option \n"); - - - WRITESHM(arlan->spreadingCode, conf->spreadingCode, u_char); - WRITESHM(arlan->channelSet, conf->channelSet, u_char); - - if (arlan_EEPROM_bad) - WRITESHM(arlan->defaultChannelSet, conf->channelSet, u_char); - - WRITESHM(arlan->channelNumber, conf->channelNumber, u_char); - - WRITESHM(arlan->scramblingDisable, conf->scramblingDisable, u_char); - WRITESHM(arlan->txAttenuation, conf->txAttenuation, u_char); - - WRITESHM(arlan->systemId, conf->systemId, u_int); - - WRITESHM(arlan->maxRetries, conf->maxRetries, u_char); - WRITESHM(arlan->receiveMode, conf->receiveMode, u_char); - WRITESHM(arlan->priority, conf->priority, u_char); - WRITESHM(arlan->rootOrRepeater, conf->rootOrRepeater, u_char); - WRITESHM(arlan->SID, conf->SID, u_int); - - WRITESHM(arlan->registrationMode, conf->registrationMode, u_char); - - WRITESHM(arlan->registrationFill, conf->registrationFill, u_char); - WRITESHM(arlan->localTalkAddress, conf->localTalkAddress, u_char); - WRITESHM(arlan->codeFormat, conf->codeFormat, u_char); - WRITESHM(arlan->numChannels, conf->numChannels, u_char); - WRITESHM(arlan->channel1, conf->channel1, u_char); - WRITESHM(arlan->channel2, conf->channel2, u_char); - WRITESHM(arlan->channel3, conf->channel3, u_char); - WRITESHM(arlan->channel4, conf->channel4, u_char); - WRITESHM(arlan->radioNodeId, conf->radioNodeId, u_short); - WRITESHM(arlan->SID, conf->SID, u_int); - WRITESHM(arlan->waitTime, conf->waitTime, u_short); - WRITESHM(arlan->lParameter, conf->lParameter, u_short); - memcpy_toio(&(arlan->_15), &(conf->_15), 3); - WRITESHM(arlan->_15, conf->_15, u_short); - WRITESHM(arlan->headerSize, conf->headerSize, u_short); - if (arlan_EEPROM_bad) - WRITESHM(arlan->hardwareType, conf->hardwareType, u_char); - WRITESHM(arlan->radioType, conf->radioType, u_char); - if (arlan_EEPROM_bad) - WRITESHM(arlan->radioModule, conf->radioType, u_char); - - memcpy_toio(arlan->encryptionKey + keyStart, encryptionKey, 8); - memcpy_toio(arlan->name, conf->siteName, 16); - - WRITESHMB(arlan->commandByte, ARLAN_COM_INT | ARLAN_COM_CONF); /* do configure */ - memset_io(arlan->commandParameter, 0, 0xf); /* 0xf */ - memset_io(arlan->commandParameter + 1, 0, 2); - if (conf->writeEEPROM) - { - memset_io(arlan->commandParameter, conf->writeEEPROM, 1); -// conf->writeEEPROM=0; - } - if (conf->registrationMode && conf->registrationInterrupts) - memset_io(arlan->commandParameter + 3, 1, 1); - else - memset_io(arlan->commandParameter + 3, 0, 1); - - priv->irq_test_done = 0; - - if (conf->tx_queue_len) - dev->tx_queue_len = conf->tx_queue_len; - udelay(100); - - ARLAN_DEBUG_EXIT("arlan_hw_config"); - return 0; -} - - -static int arlan_read_card_configuration(struct net_device *dev) -{ - u_char tlx415; - struct arlan_private *priv = netdev_priv(dev); - volatile struct arlan_shmem __iomem *arlan = priv->card; - struct arlan_conf_stru *conf = priv->Conf; - - ARLAN_DEBUG_ENTRY("arlan_read_card_configuration"); - - if (radioNodeId == radioNodeIdUNKNOWN) - { - READSHM(conf->radioNodeId, arlan->radioNodeId, u_short); - } - else - conf->radioNodeId = radioNodeId; - - if (SID == SIDUNKNOWN) - { - READSHM(conf->SID, arlan->SID, u_int); - } - else conf->SID = SID; - - if (spreadingCode == spreadingCodeUNKNOWN) - { - READSHM(conf->spreadingCode, arlan->spreadingCode, u_char); - } - else - conf->spreadingCode = spreadingCode; - - if (channelSet == channelSetUNKNOWN) - { - READSHM(conf->channelSet, arlan->channelSet, u_char); - } - else conf->channelSet = channelSet; - - if (channelNumber == channelNumberUNKNOWN) - { - READSHM(conf->channelNumber, arlan->channelNumber, u_char); - } - else conf->channelNumber = channelNumber; - - READSHM(conf->scramblingDisable, arlan->scramblingDisable, u_char); - READSHM(conf->txAttenuation, arlan->txAttenuation, u_char); - - if (systemId == systemIdUNKNOWN) - { - READSHM(conf->systemId, arlan->systemId, u_int); - } - else conf->systemId = systemId; - - READSHM(conf->maxDatagramSize, arlan->maxDatagramSize, u_short); - READSHM(conf->maxFrameSize, arlan->maxFrameSize, u_short); - READSHM(conf->maxRetries, arlan->maxRetries, u_char); - READSHM(conf->receiveMode, arlan->receiveMode, u_char); - READSHM(conf->priority, arlan->priority, u_char); - READSHM(conf->rootOrRepeater, arlan->rootOrRepeater, u_char); - - if (SID == SIDUNKNOWN) - { - READSHM(conf->SID, arlan->SID, u_int); - } - else conf->SID = SID; - - if (registrationMode == registrationModeUNKNOWN) - { - READSHM(conf->registrationMode, arlan->registrationMode, u_char); - } - else conf->registrationMode = registrationMode; - - READSHM(conf->registrationFill, arlan->registrationFill, u_char); - READSHM(conf->localTalkAddress, arlan->localTalkAddress, u_char); - READSHM(conf->codeFormat, arlan->codeFormat, u_char); - READSHM(conf->numChannels, arlan->numChannels, u_char); - READSHM(conf->channel1, arlan->channel1, u_char); - READSHM(conf->channel2, arlan->channel2, u_char); - READSHM(conf->channel3, arlan->channel3, u_char); - READSHM(conf->channel4, arlan->channel4, u_char); - READSHM(conf->waitTime, arlan->waitTime, u_short); - READSHM(conf->lParameter, arlan->lParameter, u_short); - READSHM(conf->_15, arlan->_15, u_short); - READSHM(conf->headerSize, arlan->headerSize, u_short); - READSHM(conf->hardwareType, arlan->hardwareType, u_char); - READSHM(conf->radioType, arlan->radioModule, u_char); - - if (conf->radioType == 0) - conf->radioType = 0xc; - - WRITESHM(arlan->configStatus, 0xA5, u_char); - READSHM(tlx415, arlan->configStatus, u_char); - - if (tlx415 != 0xA5) - printk(KERN_INFO "%s tlx415 chip \n", dev->name); - - conf->txClear = 0; - conf->txRetries = 1; - conf->txRouting = 1; - conf->txScrambled = 0; - conf->rxParameter = 1; - conf->txTimeoutMs = 4000; - conf->waitCardTimeout = 100000; - conf->receiveMode = ARLAN_RCV_CLEAN; - memcpy_fromio(conf->siteName, arlan->name, 16); - conf->siteName[16] = '\0'; - conf->retries = retries; - conf->tx_delay_ms = tx_delay_ms; - conf->ReTransmitPacketMaxSize = 200; - conf->waitReTransmitPacketMaxSize = 200; - conf->txAckTimeoutMs = 900; - conf->fastReTransCount = 3; - - ARLAN_DEBUG_EXIT("arlan_read_card_configuration"); - - return 0; -} - - -static int lastFoundAt = 0xbe000; - - -/* - * This is the real probe routine. Linux has a history of friendly device - * probes on the ISA bus. A good device probes avoids doing writes, and - * verifies that the correct device exists and functions. - */ -#define ARLAN_SHMEM_SIZE 0x2000 -static int __init arlan_check_fingerprint(unsigned long memaddr) -{ - static const char probeText[] = "TELESYSTEM SLW INC. ARLAN \0"; - volatile struct arlan_shmem __iomem *arlan = (struct arlan_shmem *) memaddr; - unsigned long paddr = virt_to_phys((void *) memaddr); - char tempBuf[49]; - - ARLAN_DEBUG_ENTRY("arlan_check_fingerprint"); - - if (!request_mem_region(paddr, ARLAN_SHMEM_SIZE, "arlan")) { - // printk(KERN_WARNING "arlan: memory region %lx excluded from probing \n",paddr); - return -ENODEV; - } - - memcpy_fromio(tempBuf, arlan->textRegion, 29); - tempBuf[30] = 0; - - /* check for card at this address */ - if (0 != strncmp(tempBuf, probeText, 29)){ - release_mem_region(paddr, ARLAN_SHMEM_SIZE); - return -ENODEV; - } - -// printk(KERN_INFO "arlan found at 0x%x \n",memaddr); - ARLAN_DEBUG_EXIT("arlan_check_fingerprint"); - - return 0; -} - -static int arlan_change_mtu(struct net_device *dev, int new_mtu) -{ - struct arlan_private *priv = netdev_priv(dev); - struct arlan_conf_stru *conf = priv->Conf; - - ARLA |