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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:55:01 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 07:55:01 -0800 |
commit | d7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch) | |
tree | a43d56fa72913a1cc98a0bbebe054d08581b3a7c /drivers/staging/arlan | |
parent | ee1262dbc65ce0b6234a915d8432171e8d77f518 (diff) | |
parent | 28b4d5cc17c20786848cdc07b7ea237a309776bb (diff) | |
download | kernel_samsung_smdk4412-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.zip kernel_samsung_smdk4412-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.gz kernel_samsung_smdk4412-d7fc02c7bae7b1cf69269992cf880a43a350cdaa.tar.bz2 |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits)
mac80211: fix reorder buffer release
iwmc3200wifi: Enable wimax core through module parameter
iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter
iwmc3200wifi: Coex table command does not expect a response
iwmc3200wifi: Update wiwi priority table
iwlwifi: driver version track kernel version
iwlwifi: indicate uCode type when fail dump error/event log
iwl3945: remove duplicated event logging code
b43: fix two warnings
ipw2100: fix rebooting hang with driver loaded
cfg80211: indent regulatory messages with spaces
iwmc3200wifi: fix NULL pointer dereference in pmkid update
mac80211: Fix TX status reporting for injected data frames
ath9k: enable 2GHz band only if the device supports it
airo: Fix integer overflow warning
rt2x00: Fix padding bug on L2PAD devices.
WE: Fix set events not propagated
b43legacy: avoid PPC fault during resume
b43: avoid PPC fault during resume
tcp: fix a timewait refcnt race
...
Fix up conflicts due to sysctl cleanups (dead sysctl_check code and
CTL_UNNUMBERED removed) in
kernel/sysctl_check.c
net/ipv4/sysctl_net_ipv4.c
net/ipv6/addrconf.c
net/sctp/sysctl.c
Diffstat (limited to 'drivers/staging/arlan')
-rw-r--r-- | drivers/staging/arlan/Kconfig | 15 | ||||
-rw-r--r-- | drivers/staging/arlan/Makefile | 3 | ||||
-rw-r--r-- | drivers/staging/arlan/TODO | 7 | ||||
-rw-r--r-- | drivers/staging/arlan/arlan-main.c | 1887 | ||||
-rw-r--r-- | drivers/staging/arlan/arlan-proc.c | 1210 | ||||
-rw-r--r-- | drivers/staging/arlan/arlan.h | 539 |
6 files changed, 3661 insertions, 0 deletions
diff --git a/drivers/staging/arlan/Kconfig b/drivers/staging/arlan/Kconfig new file mode 100644 index 0000000..5e42b81 --- /dev/null +++ b/drivers/staging/arlan/Kconfig @@ -0,0 +1,15 @@ +config ARLAN + tristate "Aironet Arlan 655 & IC2200 DS support" + depends on ISA && !64BIT && WLAN + 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. diff --git a/drivers/staging/arlan/Makefile b/drivers/staging/arlan/Makefile new file mode 100644 index 0000000..9e58e5f --- /dev/null +++ b/drivers/staging/arlan/Makefile @@ -0,0 +1,3 @@ +obj-$(CONFIG_ARLAN) += arlan.o + +arlan-objs := arlan-main.o arlan-proc.o diff --git a/drivers/staging/arlan/TODO b/drivers/staging/arlan/TODO new file mode 100644 index 0000000..9bd15a2 --- /dev/null +++ b/drivers/staging/arlan/TODO @@ -0,0 +1,7 @@ +TODO: + - step up and maintain this driver to ensure that it continues + to work. Having the hardware for this is pretty much a + requirement. If this does not happen, the will be removed in + the 2.6.35 kernel release. + +Please send patches to Greg Kroah-Hartman <greg@kroah.com>. diff --git a/drivers/staging/arlan/arlan-main.c b/drivers/staging/arlan/arlan-main.c new file mode 100644 index 0000000..921a082 --- /dev/null +++ b/drivers/staging/arlan/arlan-main.c @@ -0,0 +1,1887 @@ +/* + * 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; + + ARLAN_DEBUG_ENTRY("arlan_change_mtu"); + if (new_mtu > 2032) + return -EINVAL; + dev->mtu = new_mtu; + if (new_mtu < 256) + new_mtu = 256; /* cards book suggests 1600 */ + conf->maxDatagramSize = new_mtu; + conf->maxFrameSize = new_mtu + 48; + + arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_CONF); + printk(KERN_NOTICE "%s mtu changed to %d \n", dev->name, new_mtu); + + ARLAN_DEBUG_EXIT("arlan_change_mtu"); + + return 0; +} + +static int arlan_mac_addr(struct net_device *dev, void *p) +{ + struct sockaddr *addr = p; + + + ARLAN_DEBUG_ENTRY("arlan_mac_addr"); + return -EINVAL; + + if (netif_running(dev)) + return -EBUSY; + memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); + + ARLAN_DEBUG_EXIT("arlan_mac_addr"); + return 0; +} + +static const struct net_device_ops arlan_netdev_ops = { + .ndo_open = arlan_open, + .ndo_stop = arlan_close, + .ndo_start_xmit = arlan_tx, + .ndo_get_stats = arlan_statistics, + .ndo_set_multicast_list = arlan_set_multicast, + .ndo_change_mtu = arlan_change_mtu, + .ndo_set_mac_address = arlan_mac_addr, + .ndo_tx_timeout = arlan_tx_timeout, + .ndo_validate_addr = eth_validate_addr, +}; + +static int __init arlan_setup_device(struct net_device *dev, int num) +{ + struct arlan_private *ap = netdev_priv(dev); + int err; + + ARLAN_DEBUG_ENTRY("arlan_setup_device"); + + ap->conf = (struct arlan_shmem *)(ap+1); + + dev->tx_queue_len = tx_queue_len; + dev->netdev_ops = &arlan_netdev_ops; + dev->watchdog_timeo = 3*HZ; + + ap->irq_test_done = 0; + ap->Conf = &arlan_conf[num]; + + ap->Conf->pre_Command_Wait = 40; + ap->Conf->rx_tweak1 = 30; + ap->Conf->rx_tweak2 = 0; + + + err = register_netdev(dev); + if (err) { + release_mem_region(virt_to_phys((void *) dev->mem_start), + ARLAN_SHMEM_SIZE); + free_netdev(dev); + return err; + } + arlan_device[num] = dev; + ARLAN_DEBUG_EXIT("arlan_setup_device"); + return 0; +} + +static int __init arlan_probe_here(struct net_device *dev, + unsigned long memaddr) +{ + struct arlan_private *ap = netdev_priv(dev); + + ARLAN_DEBUG_ENTRY("arlan_probe_here"); + + if (arlan_check_fingerprint(memaddr)) + return -ENODEV; + + printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name, + (u64) virt_to_phys((void*)memaddr)); + + ap->card = (void *) memaddr; + dev->mem_start = memaddr; + dev->mem_end = memaddr + ARLAN_SHMEM_SIZE-1; + + if (dev->irq < 2) + { + READSHM(dev->irq, ap->card->irqLevel, u_char); + } else if (dev->irq == 2) + dev->irq = 9; + + arlan_read_card_configuration(dev); + + ARLAN_DEBUG_EXIT("arlan_probe_here"); + return 0; +} + + +static int arlan_open(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + int ret = 0; + + ARLAN_DEBUG_ENTRY("arlan_open"); + + ret = request_irq(dev->irq, &arlan_interrupt, 0, dev->name, dev); + if (ret) + { + printk(KERN_ERR "%s: unable to get IRQ %d .\n", + dev->name, dev->irq); + return ret; + } + + + priv->bad = 0; + priv->lastReset = 0; + priv->reset = 0; + memcpy_fromio(dev->dev_addr, arlan->lanCardNodeId, 6); + memset(dev->broadcast, 0xff, 6); + dev->tx_queue_len = tx_queue_len; + priv->interrupt_processing_active = 0; + spin_lock_init(&priv->lock); + + netif_start_queue (dev); + + priv->registrationLostCount = 0; + priv->registrationLastSeen = jiffies; + priv->txLast = 0; + priv->tx_command_given = 0; + priv->rx_command_given = 0; + + priv->reRegisterExp = 1; + priv->tx_last_sent = jiffies - 1; + priv->tx_last_cleared = jiffies; + priv->Conf->writeEEPROM = 0; + priv->Conf->registrationInterrupts = 1; + + init_timer(&priv->timer); + priv->timer.expires = jiffies + HZ / 10; + priv->timer.data = (unsigned long) dev; + priv->timer.function = &arlan_registration_timer; /* timer handler */ + + arlan_command(dev, ARLAN_COMMAND_POWERUP | ARLAN_COMMAND_LONG_WAIT_NOW); + mdelay(200); + add_timer(&priv->timer); + + ARLAN_DEBUG_EXIT("arlan_open"); + return 0; +} + + +static void arlan_tx_timeout (struct net_device *dev) +{ + printk(KERN_ERR "%s: arlan transmit timed out, kernel decided\n", dev->name); + /* Try to restart the adaptor. */ + arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET); + // dev->trans_start = jiffies; + // netif_start_queue (dev); +} + + +static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev) +{ + short length; + unsigned char *buf; + + ARLAN_DEBUG_ENTRY("arlan_tx"); + + length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; + buf = skb->data; + + if (length + 0x12 > 0x800) { + printk(KERN_ERR "TX RING overflow \n"); + netif_stop_queue (dev); + } + + if (arlan_hw_tx(dev, buf, length) == -1) + goto bad_end; + + dev->trans_start = jiffies; + + dev_kfree_skb(skb); + + arlan_process_interrupt(dev); + ARLAN_DEBUG_EXIT("arlan_tx"); + return NETDEV_TX_OK; + +bad_end: + arlan_process_interrupt(dev); + netif_stop_queue (dev); + ARLAN_DEBUG_EXIT("arlan_tx"); + return NETDEV_TX_BUSY; +} + + +static inline int DoNotReTransmitCrap(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + + if (TXLAST(dev).length < priv->Conf->ReTransmitPacketMaxSize) + return 1; + return 0; + +} + +static inline int DoNotWaitReTransmitCrap(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + + if (TXLAST(dev).length < priv->Conf->waitReTransmitPacketMaxSize) + return 1; + return 0; +} + +static inline void arlan_queue_retransmit(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + + ARLAN_DEBUG_ENTRY("arlan_queue_retransmit"); + + if (DoNotWaitReTransmitCrap(dev)) + { + arlan_drop_tx(dev); + } else + priv->ReTransmitRequested++; + + ARLAN_DEBUG_EXIT("arlan_queue_retransmit"); +} + +static inline void RetryOrFail(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + + ARLAN_DEBUG_ENTRY("RetryOrFail"); + + if (priv->retransmissions > priv->Conf->retries || + DoNotReTransmitCrap(dev)) + { + arlan_drop_tx(dev); + } + else if (priv->bad <= priv->Conf->fastReTransCount) + { + arlan_retransmit_now(dev); + } + else arlan_queue_retransmit(dev); + + ARLAN_DEBUG_EXIT("RetryOrFail"); +} + + +static void arlan_tx_done_interrupt(struct net_device *dev, int status) +{ + struct arlan_private *priv = netdev_priv(dev); + + ARLAN_DEBUG_ENTRY("arlan_tx_done_interrupt"); + + priv->tx_last_cleared = jiffies; + priv->tx_command_given = 0; + switch (status) + { + case 1: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit OK\n"); + dev->stats.tx_packets++; + priv->bad = 0; + priv->reset = 0; + priv->retransmissions = 0; + if (priv->Conf->tx_delay_ms) + { + priv->tx_done_delayed = jiffies + (priv->Conf->tx_delay_ms * HZ) / 1000 + 1; + } + else + { + 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); + } + } + } + break; + + case 2: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit timed out\n"); + priv->bad += 1; + //arlan_queue_retransmit(dev); + RetryOrFail(dev); + } + break; + + case 3: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit max retries\n"); + priv->bad += 1; + priv->reset = 0; + //arlan_queue_retransmit(dev); + RetryOrFail(dev); + } + break; + + case 4: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit aborted\n"); + priv->bad += 1; + arlan_queue_retransmit(dev); + //RetryOrFail(dev); + } + break; + + case 5: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit not registered\n"); + priv->bad += 1; + //debug=101; + arlan_queue_retransmit(dev); + } + break; + + case 6: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit destination full\n"); + priv->bad += 1; + priv->reset = 0; + //arlan_drop_tx(dev); + arlan_queue_retransmit(dev); + } + break; + + case 7: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit unknown ack\n"); + priv->bad += 1; + priv->reset = 0; + arlan_queue_retransmit(dev); + } + break; + + case 8: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit dest mail box full\n"); + priv->bad += 1; + priv->reset = 0; + //arlan_drop_tx(dev); + arlan_queue_retransmit(dev); + } + break; + + case 9: + { + IFDEBUG(ARLAN_DEBUG_TX_CHAIN) + printk("arlan intr: transmit root dest not reg.\n"); + priv->bad += 1; + priv->reset = 1; + //arlan_drop_tx(dev); + arlan_queue_retransmit(dev); + } + break; + + default: + { + printk(KERN_ERR "arlan intr: transmit status unknown\n"); + priv->bad += 1; + priv->reset = 1; + arlan_drop_tx(dev); + } + } + + ARLAN_DEBUG_EXIT("arlan_tx_done_interrupt"); +} + + +static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short rxOffset, u_short pkt_len) +{ + char *skbtmp; + int i = 0; + + 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_rx_interrupt"); + // by spec, not WRITESHMB(arlan->rxStatus,0x00); + // prohibited here arlan_command(dev, ARLAN_COMMAND_RX); + + if (pkt_len < 10 || pkt_len > 2048) + { + printk(KERN_WARNING "%s: got too short or long packet, len %d \n", dev->name, pkt_len); + return; + } + if (rxOffset + pkt_len > 0x2000) + { + printk("%s: got too long packet, len %d offset %x\n", dev->name, pkt_len, rxOffset); + return; + } + priv->in_bytes += pkt_len; + priv->in_bytes10 += pkt_len; + if (conf->measure_rate < 1) + conf->measure_rate = 1; + if (time_after(jiffies, priv->in_time + conf->measure_rate * HZ)) + { + conf->in_speed = priv->in_bytes / conf->measure_rate; + priv->in_bytes = 0; + priv->in_time = jiffies; + } + if (time_after(jiffies, priv->in_time10 + conf->measure_rate * 10*HZ)) + { + conf->in_speed10 = priv->in_bytes10 / (10 * conf->measure_rate); + priv->in_bytes10 = 0; + priv->in_time10 = jiffies; + } + DEBUGSHM(1, "arlan rcv pkt rxStatus= %d ", arlan->rxStatus, u_char); + switch (rxStatus) + { + case 1: + case 2: + case 3: + { + /* Malloc up new buffer. */ + struct sk_buff *skb; + + DEBUGSHM(50, "arlan recv pkt offs=%d\n", arlan->rxOffset, u_short); + DEBUGSHM(1, "arlan rxFrmType = %d \n", arlan->rxFrmType, u_char); + DEBUGSHM(1, KERN_INFO "arlan rx scrambled = %d \n", arlan->scrambled, u_char); + + /* here we do multicast filtering to avoid slow 8-bit memcopy */ +#ifdef ARLAN_MULTICAST + if (!(dev->flags & IFF_ALLMULTI) && + !(dev->flags & IFF_PROMISC) && + dev->mc_list) + { + char hw_dst_addr[6]; + struct dev_mc_list *dmi = dev->mc_list; + int i; + + memcpy_fromio(hw_dst_addr, arlan->ultimateDestAddress, 6); + if (hw_dst_addr[0] == 0x01) + { + if (mdebug) + if (hw_dst_addr[1] == 0x00) + printk(KERN_ERR "%s mcast 0x0100 \n", dev->name); + else if (hw_dst_addr[1] == 0x40) + printk(KERN_ERR "%s m/bcast 0x0140 \n", dev->name); + while (dmi) + { + if (dmi->dmi_addrlen == 6) { + if (arlan_debug & ARLAN_DEBUG_HEADER_DUMP) + printk(KERN_ERR "%s mcl %pM\n", + dev->name, dmi->dmi_addr); + for (i = 0; i < 6; i++) + if (dmi->dmi_addr[i] != hw_dst_addr[i]) + break; + if (i == 6) + break; + } else + printk(KERN_ERR "%s: invalid multicast address length given.\n", dev->name); + dmi = dmi->next; + } + /* we reach here if multicast filtering is on and packet + * is multicast and not for receive */ + goto end_of_interrupt; + } + } +#endif // ARLAN_MULTICAST + /* multicast filtering ends here */ + pkt_len += ARLAN_FAKE_HDR_LEN; + + skb = dev_alloc_skb(pkt_len + 4); + if (skb == NULL) + { + printk(KERN_ERR "%s: Memory squeeze, dropping packet.\n", dev->name); + dev->stats.rx_dropped++; + break; + } + skb_reserve(skb, 2); + skbtmp = skb_put(skb, pkt_len); + + memcpy_fromio(skbtmp + ARLAN_FAKE_HDR_LEN, ((char __iomem *) arlan) + rxOffset, pkt_len - ARLAN_FAKE_HDR_LEN); + memcpy_fromio(skbtmp, arlan->ultimateDestAddress, 6); + memcpy_fromio(skbtmp + 6, arlan->rxSrc, 6); + WRITESHMB(arlan->rxStatus, 0x00); + arlan_command(dev, ARLAN_COMMAND_RX); + + IFDEBUG(ARLAN_DEBUG_HEADER_DUMP) + { + char immedDestAddress[6]; + char immedSrcAddress[6]; + memcpy_fromio(immedDestAddress, arlan->immedDestAddress, 6); + memcpy_fromio(immedSrcAddress, arlan->immedSrcAddress, 6); + + printk(KERN_WARNING "%s t %pM f %pM imd %pM ims %pM\n", + dev->name, skbtmp, + &skbtmp[6], + immedDestAddress, + immedSrcAddress); + } + skb->protocol = eth_type_trans(skb, dev); + IFDEBUG(ARLAN_DEBUG_HEADER_DUMP) + if (skb->protocol != 0x608 && skb->protocol != 0x8) + { + for (i = 0; i <= 22; i++) + printk("%02x:", (u_char) skbtmp[i + 12]); + printk(KERN_ERR "\n"); + printk(KERN_WARNING "arlan kernel pkt type trans %x \n", skb->protocol); + } + netif_rx(skb); + dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; + } + break; + + default: + printk(KERN_ERR "arlan intr: received unknown status\n"); + dev->stats.rx_crc_errors++; + break; + } + ARLAN_DEBUG_EXIT("arlan_rx_interrupt"); +} + +static void arlan_process_interrupt(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + u_char rxStatus = READSHMB(arlan->rxStatus); + u_char txStatus = READSHMB(arlan->txStatus); + u_short rxOffset = READSHMS(arlan->rxOffset); + u_short pkt_len = READSHMS(arlan->rxLength); + int interrupt_count = 0; + + ARLAN_DEBUG_ENTRY("arlan_process_interrupt"); + + if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active)) + { + if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS) + printk(KERN_ERR "interrupt chain reentering \n"); + goto end_int_process; + } + while ((rxStatus || txStatus || priv->interrupt_ack_requested) + && (interrupt_count < 5)) + { + if (rxStatus) + priv->last_rx_int_ack_time = jiffies; + + arlan_command(dev, ARLAN_COMMAND_INT_ACK); + arlan_command(dev, ARLAN_COMMAND_INT_ENABLE); + + IFDEBUG(ARLAN_DEBUG_INTERRUPT) + printk(KERN_ERR "%s: got IRQ rx %x tx %x comm %x rxOff %x rxLen %x \n", + dev->name, rxStatus, txStatus, READSHMB(arlan->commandByte), + rxOffset, pkt_len); + + if (rxStatus == 0 && txStatus == 0) + { + if (priv->irq_test_done) + { + if (!registrationBad(dev)) + IFDEBUG(ARLAN_DEBUG_INTERRUPT) printk(KERN_ERR "%s unknown interrupt(nop? regLost ?) reason tx %d rx %d ", + dev->name, txStatus, rxStatus); + } else { + IFDEBUG(ARLAN_DEBUG_INTERRUPT) + printk(KERN_INFO "%s irq $%d test OK \n", dev->name, dev->irq); + + } + priv->interrupt_ack_requested = 0; + goto ends; + } + if (txStatus != 0) + { + WRITESHMB(arlan->txStatus, 0x00); + arlan_tx_done_interrupt(dev, txStatus); + goto ends; + } + if (rxStatus == 1 || rxStatus == 2) + { /* a packet waiting */ + arlan_rx_interrupt(dev, rxStatus, rxOffset, pkt_len); + goto ends; + } + if (rxStatus > 2 && rxStatus < 0xff) + { + WRITESHMB(arlan->rxStatus, 0x00); + printk(KERN_ERR "%s unknown rxStatus reason tx %d rx %d ", + dev->name, txStatus, rxStatus); + goto ends; + } + if (rxStatus == 0xff) + { + WRITESHMB(arlan->rxStatus, 0x00); + arlan_command(dev, ARLAN_COMMAND_RX); + if (registrationBad(dev)) + netif_device_detach(dev); + if (!registrationBad(dev)) + { + priv->registrationLastSeen = jiffies; + if (!netif_queue_stopped(dev) && !priv->under_reset && !priv->under_config) + netif_wake_queue (dev); + } + goto ends; + } +ends: + + arlan_command_process(dev); + + rxStatus = READSHMB(arlan->rxStatus); + txStatus = READSHMB(arlan->txStatus); + rxOffset = READSHMS(arlan->rxOffset); + pkt_len = READSHMS(arlan->rxLength); + + + priv->irq_test_done = 1; + + interrupt_count++; + } + priv->interrupt_processing_active = 0; + +end_int_process: + arlan_command_process(dev); + + ARLAN_DEBUG_EXIT("arlan_process_interrupt"); + return; +} + +static irqreturn_t arlan_interrupt(int irq, void *dev_id) +{ + struct net_device *dev = dev_id; + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + u_char rxStatus = READSHMB(arlan->rxStatus); + u_char txStatus = READSHMB(arlan->txStatus); + + ARLAN_DEBUG_ENTRY("arlan_interrupt"); + + + if (!rxStatus && !txStatus) + priv->interrupt_ack_requested++; + + arlan_process_interrupt(dev); + + priv->irq_test_done = 1; + + ARLAN_DEBUG_EXIT("arlan_interrupt"); + return IRQ_HANDLED; + +} + + +static int arlan_close(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + + ARLAN_DEBUG_ENTRY("arlan_close"); + + del_timer_sync(&priv->timer); + + arlan_command(dev, ARLAN_COMMAND_POWERDOWN); + + IFDEBUG(ARLAN_DEBUG_STARTUP) + printk(KERN_NOTICE "%s: Closing device\n", dev->name); + + netif_stop_queue(dev); + free_irq(dev->irq, dev); + + ARLAN_DEBUG_EXIT("arlan_close"); + return 0; +} + +#ifdef ARLAN_DEBUGGING +static long alignLong(volatile u_char * ptr) +{ + long ret; + memcpy_fromio(&ret, (void *) ptr, 4); + return ret; +} +#endif + +/* + * Get the current statistics. + * This may be called with the card open or closed. + */ + +static struct net_device_stats *arlan_statistics(struct net_device *dev) +{ + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + + + ARLAN_DEBUG_ENTRY("arlan_statistics"); + + /* Update the statistics from the device registers. */ + + READSHM(dev->stats.collisions, arlan->numReTransmissions, u_int); + READSHM(dev->stats.rx_crc_errors, arlan->numCRCErrors, u_int); + READSHM(dev->stats.rx_dropped, arlan->numFramesDiscarded, u_int); + READSHM(dev->stats.rx_fifo_errors, arlan->numRXBufferOverflows, u_int); + READSHM(dev->stats.rx_frame_errors, arlan->numReceiveFramesLost, u_int); + READSHM(dev->stats.rx_over_errors, arlan->numRXOverruns, u_int); + READSHM(dev->stats.rx_packets, arlan->numDatagramsReceived, u_int); + READSHM(dev->stats.tx_aborted_errors, arlan->numAbortErrors, u_int); + READSHM(dev->stats.tx_carrier_errors, arlan->numStatusTimeouts, u_int); + READSHM(dev->stats.tx_dropped, arlan->numDatagramsDiscarded, u_int); + READSHM(dev->stats.tx_fifo_errors, arlan->numTXUnderruns, u_int); + READSHM(dev->stats.tx_packets, arlan->numDatagramsTransmitted, u_int); + READSHM(dev->stats.tx_window_errors, arlan->numHoldOffs, u_int); + + ARLAN_DEBUG_EXIT("arlan_statistics"); + + return &dev->stats; +} + + +static void arlan_set_multicast(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; + int board_conf_needed = 0; + + + ARLAN_DEBUG_ENTRY("arlan_set_multicast"); + + if (dev->flags & IFF_PROMISC) + { + unsigned char recMode; + READSHM(recMode, arlan->receiveMode, u_char); + conf->receiveMode = (ARLAN_RCV_PROMISC | ARLAN_RCV_CONTROL); + if (conf->receiveMode != recMode) + board_conf_needed = 1; + } + else + { + /* turn off promiscuous mode */ + unsigned char recMode; + READSHM(recMode, arlan->receiveMode, u_char); + conf->receiveMode = ARLAN_RCV_CLEAN | ARLAN_RCV_CONTROL; + if (conf->receiveMode != recMode) + board_conf_needed = 1; + } + if (board_conf_needed) + arlan_command(dev, ARLAN_COMMAND_CONF); + + ARLAN_DEBUG_EXIT("arlan_set_multicast"); +} + + +struct net_device * __init arlan_probe(int unit) +{ + struct net_device *dev; + int err; + int m; + + ARLAN_DEBUG_ENTRY("arlan_probe"); + + if (arlans_found == MAX_ARLANS) + return ERR_PTR(-ENODEV); + + /* + * Reserve space for local data and a copy of the shared memory + * that is used by the /proc interface. + */ + dev = alloc_etherdev(sizeof(struct arlan_private) + + sizeof(struct arlan_shmem)); + if (!dev) + return ERR_PTR(-ENOMEM); + + if (unit >= 0) { + sprintf(dev->name, "eth%d", unit); + netdev_boot_setup_check(dev); + + if (dev->mem_start) { + if (arlan_probe_here(dev, dev->mem_start) == 0) + goto found; + goto not_found; + } + + } + + + for (m = (int)phys_to_virt(lastFoundAt) + ARLAN_SHMEM_SIZE; + m <= (int)phys_to_virt(0xDE000); + m += ARLAN_SHMEM_SIZE) + { + if (arlan_probe_here(dev, m) == 0) + { + lastFoundAt = (int)virt_to_phys((void*)m); + goto found; + } + } + + if (lastFoundAt == 0xbe000) + printk(KERN_ERR "arlan: No Arlan devices found \n"); + + not_found: + free_netdev(dev); + return ERR_PTR(-ENODEV); + + found: + err = arlan_setup_device(dev, arlans_found); + if (err) + dev = ERR_PTR(err); + else if (!arlans_found++) + printk(KERN_INFO "Arlan driver %s\n", arlan_version); + + return dev; +} + +#ifdef MODULE +int __init init_module(void) +{ + int i = 0; + + ARLAN_DEBUG_ENTRY("init_module"); + + if (channelSet != channelSetUNKNOWN || channelNumber != channelNumberUNKNOWN || systemId != systemIdUNKNOWN) + return -EINVAL; + + for (i = 0; i < MAX_ARLANS; i++) { + struct net_device *dev = arlan_probe(i); + + if (IS_ERR(dev)) + return PTR_ERR(dev); + } + init_arlan_proc(); + printk(KERN_INFO "Arlan driver %s\n", arlan_version); + ARLAN_DEBUG_EXIT("init_module"); + return 0; +} + + +void __exit cleanup_module(void) +{ + int i = 0; + struct net_device *dev; + + ARLAN_DEBUG_ENTRY("cleanup_module"); + + IFDEBUG(ARLAN_DEBUG_SHUTDOWN) + printk(KERN_INFO "arlan: unloading module\n"); + + cleanup_arlan_proc(); + + for (i = 0; i < MAX_ARLANS; i++) + { + dev = arlan_device[i]; + if (dev) { + arlan_command(dev, ARLAN_COMMAND_POWERDOWN ); + + unregister_netdev(dev); + release_mem_region(virt_to_phys((void *) dev->mem_start), + ARLAN_SHMEM_SIZE); + free_netdev(dev); + arlan_device[i] = NULL; + } + } + + ARLAN_DEBUG_EXIT("cleanup_module"); +} + + +#endif +MODULE_LICENSE("GPL"); diff --git a/drivers/staging/arlan/arlan-proc.c b/drivers/staging/arlan/arlan-proc.c new file mode 100644 index 0000000..b22983e --- /dev/null +++ b/drivers/staging/arlan/arlan-proc.c @@ -0,0 +1,1210 @@ +#include "arlan.h" + +#include <linux/sysctl.h> + +#ifdef CONFIG_PROC_FS + +/* void enableReceive(struct net_device* dev); +*/ + + + +#define ARLAN_STR_SIZE 0x2ff0 +#define DEV_ARLAN_INFO 1 +#define DEV_ARLAN 1 +#define SARLG(type,var) {\ + pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n", #var, READSHMB(priva->card->var)); \ + } + +#define SARLBN(type,var,nn) {\ + pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x",#var);\ + for (i=0; i < nn; i++ ) pos += sprintf(arlan_drive_info+pos, "%02x",READSHMB(priva->card->var[i]));\ + pos += sprintf(arlan_drive_info+pos, "\n"); \ + } + +#define SARLBNpln(type,var,nn) {\ + for (i=0; i < nn; i++ ) pos += sprintf(arlan_drive_info+pos, "%02x",READSHMB(priva->card->var[i]));\ + } + +#define SARLSTR(var,nn) {\ + char tmpStr[400];\ + int tmpLn = nn;\ + if (nn > 399 ) tmpLn = 399; \ + memcpy(tmpStr,(char *) priva->conf->var,tmpLn);\ + tmpStr[tmpLn] = 0; \ + pos += sprintf(arlan_drive_info+pos, "%s\t=\t%s \n",#var,priva->conf->var);\ + } + +#define SARLUC(var) SARLG(u_char, var) +#define SARLUCN(var,nn) SARLBN(u_char,var, nn) +#define SARLUS(var) SARLG(u_short, var) +#define SARLUSN(var,nn) SARLBN(u_short,var, nn) +#define SARLUI(var) SARLG(u_int, var) + +#define SARLUSA(var) {\ + u_short tmpVar;\ + memcpy(&tmpVar, (short *) priva->conf->var,2); \ + pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n",#var, tmpVar);\ +} + +#define SARLUIA(var) {\ + u_int tmpVar;\ + memcpy(&tmpVar, (int* )priva->conf->var,4); \ + pos += sprintf(arlan_drive_info+pos, "%s\t=\t0x%x\n",#var, tmpVar);\ +} + + +static const char *arlan_diagnostic_info_string(struct net_device *dev) +{ + + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + u_char diagnosticInfo; + + READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char); + + switch (diagnosticInfo) + { + case 0xFF: + return "Diagnostic info is OK"; + case 0xFE: + return "ERROR EPROM Checksum error "; + case 0xFD: + return "ERROR Local Ram Test Failed "; + case 0xFC: + return "ERROR SCC failure "; + case 0xFB: + return "ERROR BackBone failure "; + case 0xFA: + return "ERROR transceiver not found "; + case 0xF9: + return "ERROR no more address space "; + case 0xF8: + return "ERROR Checksum error "; + case 0xF7: + return "ERROR Missing SS Code"; + case 0xF6: + return "ERROR Invalid config format"; + case 0xF5: + return "ERROR Reserved errorcode F5"; + case 0xF4: + return "ERROR Invalid spreading code/channel number"; + case 0xF3: + return "ERROR Load Code Error"; + case 0xF2: + return "ERROR Reserver errorcode F2 "; + case 0xF1: + return "ERROR Invalid command receivec by LAN card "; + case 0xF0: + return "ERROR Invalid parameter found in command "; + case 0xEF: + return "ERROR On-chip timer failure "; + case 0xEE: + return "ERROR T410 timer failure "; + case 0xED: + return "ERROR Too Many TxEnable commands "; + case 0xEC: + return "ERROR EEPROM error on radio module "; + default: + return "ERROR unknown Diagnostic info reply code "; + } +} + +static const char *arlan_hardware_type_string(struct net_device *dev) +{ + u_char hardwareType; + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + + READSHM(hardwareType, arlan->hardwareType, u_char); + switch (hardwareType) + { + case 0x00: + return "type A450"; + case 0x01: + return "type A650 "; + case 0x04: + return "type TMA coproc"; + case 0x0D: + return "type A650E "; + case 0x18: + return "type TMA coproc Australian"; + case 0x19: + return "type A650A "; + case 0x26: + return "type TMA coproc European"; + case 0x2E: + return "type A655 "; + case 0x2F: + return "type A655A "; + case 0x30: + return "type A655E "; + case 0x0B: + return "type A670 "; + case 0x0C: + return "type A670E "; + case 0x2D: + return "type A670A "; + case 0x0F: + return "type A411T"; + case 0x16: + return "type A411TA"; + case 0x1B: + return "type A440T"; + case 0x1C: + return "type A412T"; + case 0x1E: + return "type A412TA"; + case 0x22: + return "type A411TE"; + case 0x24: + return "type A412TE"; + case 0x27: + return "type A671T "; + case 0x29: + return "type A671TA "; + case 0x2B: + return "type A671TE "; + case 0x31: + return "type A415T "; + case 0x33: + return "type A415TA "; + case 0x35: + return "type A415TE "; + case 0x37: + return "type A672"; + case 0x39: + return "type A672A "; + case 0x3B: + return "type A672T"; + case 0x6B: + return "type IC2200"; + default: + return "type A672T"; + } +} +#ifdef ARLAN_DEBUGGING +static void arlan_print_diagnostic_info(struct net_device *dev) +{ + int i; + u_char diagnosticInfo; + u_short diagnosticOffset; + u_char hardwareType; + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + + // ARLAN_DEBUG_ENTRY("arlan_print_diagnostic_info"); + + if (READSHMB(arlan->configuredStatusFlag) == 0) + printk("Arlan: Card NOT configured\n"); + else + printk("Arlan: Card is configured\n"); + + READSHM(diagnosticInfo, arlan->diagnosticInfo, u_char); + READSHM(diagnosticOffset, arlan->diagnosticOffset, u_short); + + printk(KERN_INFO "%s\n", arlan_diagnostic_info_string(dev)); + + if (diagnosticInfo != 0xff) + printk("%s arlan: Diagnostic Offset %d \n", dev->name, diagnosticOffset); + + printk("arlan: LAN CODE ID = "); + for (i = 0; i < 6; i++) + DEBUGSHM(1, "%03d:", arlan->lanCardNodeId[i], u_char); + printk("\n"); + + printk("arlan: Arlan BroadCast address = "); + for (i = 0; i < 6; i++) + DEBUGSHM(1, "%03d:", arlan->broadcastAddress[i], u_char); + printk("\n"); + + READSHM(hardwareType, arlan->hardwareType, u_char); + printk(KERN_INFO "%s\n", arlan_hardware_type_string(dev)); + + + DEBUGSHM(1, "arlan: channelNumber=%d\n", arlan->channelNumber, u_char); + DEBUGSHM(1, "arlan: channelSet=%d\n", arlan->channelSet, u_char); + DEBUGSHM(1, "arlan: spreadingCode=%d\n", arlan->spreadingCode, u_char); + DEBUGSHM(1, "arlan: radioNodeId=%d\n", arlan->radioNodeId, u_short); + DEBUGSHM(1, "arlan: SID =%d\n", arlan->SID, u_short); + DEBUGSHM(1, "arlan: rxOffset=%d\n", arlan->rxOffset, u_short); + + DEBUGSHM(1, "arlan: registration mode is %d\n", arlan->registrationMode, u_char); + + printk("arlan: name= "); + IFDEBUG(1) + + for (i = 0; i < 16; i++) + { + char c; + READSHM(c, arlan->name[i], char); + if (c) + printk("%c", c); + } + printk("\n"); + +// ARLAN_DEBUG_EXIT("arlan_print_diagnostic_info"); + +} + + +/****************************** TEST MEMORY **************/ + +static int arlan_hw_test_memory(struct net_device *dev) +{ + u_char *ptr; + int i; + int memlen = sizeof(struct arlan_shmem) - 0xF; /* avoid control register */ + volatile char *arlan_mem = (char *) (dev->mem_start); + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + char pattern; + + ptr = NULL; + + /* hold card in reset state */ + setHardwareReset(dev); + + /* test memory */ + pattern = 0; + for (i = 0; i < memlen; i++) + WRITESHM(arlan_mem[i], ((u_char) pattern++), u_char); + + pattern = 0; + for (i = 0; i < memlen; i++) + { + char res; + READSHM(res, arlan_mem[i], char); + if (res != pattern++) + { + printk(KERN_ERR "Arlan driver memory test 1 failed \n"); + return -1; + } + } + + pattern = 0; + for (i = 0; i < memlen; i++) + WRITESHM(arlan_mem[i], ~(pattern++), char); + + pattern = 0; + for (i = 0; i < memlen; i++) + { + char res; + READSHM(res, arlan_mem[i], char); + if (res != ~(pattern++)) + { + printk(KERN_ERR "Arlan driver memory test 2 failed \n"); + return -1; + } + } + + /* zero memory */ + for (i = 0; i < memlen; i++) + WRITESHM(arlan_mem[i], 0x00, char); + + IFDEBUG(1) printk(KERN_INFO "Arlan: memory tests ok\n"); + + /* set reset flag and then release reset */ + WRITESHM(arlan->resetFlag, 0xff, u_char); + + clearChannelAttention(dev); + clearHardwareReset(dev); + + /* wait for reset flag to become zero, we'll wait for two seconds */ + if (arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW)) + { + printk(KERN_ERR "%s arlan: failed to come back from memory test\n", dev->name); + return -1; + } + return 0; +} + +static int arlan_setup_card_by_book(struct net_device *dev) +{ + u_char irqLevel, configuredStatusFlag; + struct arlan_private *priv = netdev_priv(dev); + volatile struct arlan_shmem __iomem *arlan = priv->card; + +// ARLAN_DEBUG_ENTRY("arlan_setup_card"); + + READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char); + + IFDEBUG(10) + if (configuredStatusFlag != 0) + IFDEBUG(10) printk("arlan: CARD IS CONFIGURED\n"); + else + IFDEBUG(10) printk("arlan: card is NOT configured\n"); + + if (testMemory || (READSHMB(arlan->diagnosticInfo) != 0xff)) + if (arlan_hw_test_memory(dev)) + return -1; + + DEBUGSHM(4, "arlan configuredStatus = %d \n", arlan->configuredStatusFlag, u_char); + DEBUGSHM(4, "arlan driver diagnostic: 0x%2x\n", arlan->diagnosticInfo, u_char); + + /* issue nop command - no interrupt */ + arlan_command(dev, ARLAN_COMMAND_NOOP); + if (arlan_command(dev, ARLAN_COMMAND_WAIT_NOW) != 0) + return -1; + + IFDEBUG(50) printk("1st Noop successfully executed !!\n"); + + /* try to turn on the arlan interrupts */ + clearClearInterrupt(dev); + setClearInterrupt(dev); + setInterruptEnable(dev); + + /* issue nop command - with interrupt */ + + arlan_command(dev, ARLAN_COMMAND_NOOPINT); + if (arlan_command(dev, ARLAN_COMMAND_WAIT_NOW) != 0) + return -1; + + + IFDEBUG(50) printk("2nd Noop successfully executed !!\n"); + + READSHM(irqLevel, arlan->irqLevel, u_char) + + if (irqLevel != dev->irq) + { + IFDEBUG(1) printk(KERN_WARNING "arlan dip switches set irq to %d\n", irqLevel); + printk(KERN_WARNING "device driver irq set to %d - does not match\n", dev->irq); + dev->irq = irqLevel; + } + else + IFDEBUG(2) printk("irq level is OK\n"); + + + IFDEBUG(3) arlan_print_diagnostic_info(dev); + + arlan_command(dev, ARLAN_COMMAND_CONF); + + READSHM(configuredStatusFlag, arlan->configuredStatusFlag, u_char); + if (configuredStatusFlag == 0) + { + printk(KERN_WARNING "arlan configure failed\n"); + return -1; + } + arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW); + arlan_command(dev, ARLAN_COMMAND_RX); + arlan_command(dev, ARLAN_COMMAND_LONG_WAIT_NOW); + printk(KERN_NOTICE "%s: arlan driver version %s loaded\n", + dev->name, arlan_version); + +// ARLAN_DEBUG_EXIT("arlan_setup_card"); + + return 0; /* no errors */ +} +#endif + +#ifdef ARLAN_PROC_INTERFACE +#ifdef ARLAN_PROC_SHM_DUMP + +static char arlan_drive_info[ARLAN_STR_SIZE] = "A655\n\0"; + +static int arlan_sysctl_info(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int i; + int retv, pos, devnum; + struct arlan_private *priva = NULL; + struct net_device *dev; + pos = 0; + if (write) + { + printk("wrirte: "); + for (i = 0; i < 100; i++) + printk("adi %x \n", arlan_drive_info[i]); + } + if (ctl->procname == NULL || arlan_drive_info == NULL) + { + printk(KERN_WARNING " procname is NULL in sysctl_table or arlan_drive_info is NULL \n at arlan module\n "); + return -1; + } + devnum = ctl->procname[5] - '0'; + if (devnum < 0 || devnum > MAX_ARLANS - 1) + { + printk(KERN_WARNING "too strange devnum in procfs parse\n "); + return -1; + } + else if (arlan_device[devnum] == NULL) + { + if (ctl->procname) + pos += sprintf(arlan_drive_info + pos, "\t%s\n\n", ctl->procname); + pos += sprintf(arlan_drive_info + pos, "No device found here \n"); + goto final; + } + else + priva = netdev_priv(arlan_device[devnum]); + + if (priva == NULL) + { + printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n "); + return -1; + } + dev = arlan_device[devnum]; + + memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem)); + + pos = sprintf(arlan_drive_info, "Arlan info \n"); + /* Header Signature */ + SARLSTR(textRegion, 48); + SARLUC(resetFlag); + pos += sprintf(arlan_drive_info + pos, "diagnosticInfo\t=\t%s \n", arlan_diagnostic_info_string(dev)); + SARLUC(diagnosticInfo); + SARLUS(diagnosticOffset); + SARLUCN(_1, 12); + SARLUCN(lanCardNodeId, 6); + SARLUCN(broadcastAddress, 6); + pos += sprintf(arlan_drive_info + pos, "hardwareType =\t %s \n", arlan_hardware_type_string(dev)); + SARLUC(hardwareType); + SARLUC(majorHardwareVersion); + SARLUC(minorHardwareVersion); + SARLUC(radioModule); + SARLUC(defaultChannelSet); + SARLUCN(_2, 47); + + /* Control/Status Block - 0x0080 */ + SARLUC(interruptInProgress); + SARLUC(cntrlRegImage); + + SARLUCN(_3, 14); + SARLUC(commandByte); + SARLUCN(commandParameter, 15); + + /* Receive Status - 0x00a0 */ + SARLUC(rxStatus); + SARLUC(rxFrmType); + SARLUS(rxOffset); + SARLUS(rxLength); + SARLUCN(rxSrc, 6); + SARLUC(rxBroadcastFlag); + SARLUC(rxQuality); + SARLUC(scrambled); + SARLUCN(_4, 1); + + /* Transmit Status - 0x00b0 */ + SARLUC(txStatus); + SARLUC(txAckQuality); + SARLUC(numRetries); + SARLUCN(_5, 14); + SARLUCN(registeredRouter, 6); + SARLUCN(backboneRouter, 6); + SARLUC(registrationStatus); + SARLUC(configuredStatusFlag); + SARLUCN(_6, 1); + SARLUCN(ultimateDestAddress, 6); + SARLUCN(immedDestAddress, 6); + SARLUCN(immedSrcAddress, 6); + SARLUS(rxSequenceNumber); + SARLUC(assignedLocaltalkAddress); + SARLUCN(_7, 27); + + /* System Parameter Block */ + + /* - Driver Parameters (Novell Specific) */ + + SARLUS(txTimeout); + SARLUS(transportTime); + SARLUCN(_8, 4); + + /* - Configuration Parameters */ + SARLUC(irqLevel); + SARLUC(spreadingCode); + SARLUC(channelSet); + SARLUC(channelNumber); + SARLUS(radioNodeId); + SARLUCN(_9, 2); + SARLUC(scramblingDisable); + SARLUC(radioType); + SARLUS(routerId); + SARLUCN(_10, 9); + SARLUC(txAttenuation); + SARLUIA(systemId); + SARLUS(globalChecksum); + SARLUCN(_11, 4); + SARLUS(maxDatagramSize); + SARLUS(maxFrameSize); + SARLUC(maxRetries); + SARLUC(receiveMode); + SARLUC(priority); + SARLUC(rootOrRepeater); + SARLUCN(specifiedRouter, 6); + SARLUS(fastPollPeriod); + SARLUC(pollDecay); + SARLUSA(fastPollDelay); + SARLUC(arlThreshold); + SARLUC(arlDecay); + SARLUCN(_12, 1); + SARLUS(specRouterTimeout); + SARLUCN(_13, 5); + + /* Scrambled Area */ + SARLUIA(SID); + SARLUCN(encryptionKey, 12); + SARLUIA(_14); + SARLUSA(waitTime); + SARLUSA(lParameter); + SARLUCN(_15, 3); + SARLUS(headerSize); + SARLUS(sectionChecksum); + + SARLUC(registrationMode); + SARLUC(registrationFill); + SARLUS(pollPeriod); + SARLUS(refreshPeriod); + SARLSTR(name, 16); + SARLUCN(NID, 6); + SARLUC(localTalkAddress); + SARLUC(codeFormat); + SARLUC(numChannels); + SARLUC(channel1); + SARLUC(channel2); + SARLUC(channel3); + SARLUC(channel4); + SARLUCN(SSCode, 59); + +/* SARLUCN( _16, 0x140); + */ + /* Statistics Block - 0x0300 */ + SARLUC(hostcpuLock); + SARLUC(lancpuLock); + SARLUCN(resetTime, 18); + SARLUIA(numDatagramsTransmitted); + SARLUIA(numReTransmissions); + SARLUIA(numFramesDiscarded); + SARLUIA(numDatagramsReceived); + SARLUIA(numDuplicateReceivedFrames); + SARLUIA(numDatagramsDiscarded); + SARLUS(maxNumReTransmitDatagram); + SARLUS(maxNumReTransmitFrames); + SARLUS(maxNumConsecutiveDuplicateFrames); + /* misaligned here so we have to go to characters */ + SARLUIA(numBytesTransmitted); + SARLUIA(numBytesReceived); + SARLUIA(numCRCErrors); + SARLUIA(numLengthErrors); + SARLUIA(numAbortErrors); + SARLUIA(numTXUnderruns); + SARLUIA(numRXOverruns); + SARLUIA(numHoldOffs); + SARLUIA(numFramesTransmitted); + SARLUIA(numFramesReceived); + SARLUIA(numReceiveFramesLost); + SARLUIA(numRXBufferOverflows); + SARLUIA(numFramesDiscardedAddrMismatch); + SARLUIA(numFramesDiscardedSIDMismatch); + SARLUIA(numPollsTransmistted); + SARLUIA(numPollAcknowledges); + SARLUIA(numStatusTimeouts); + SARLUIA(numNACKReceived); + SARLUS(auxCmd); + SARLUCN(dumpPtr, 4); + SARLUC(dumpVal); + SARLUC(wireTest); + + /* next 4 seems too long for procfs, over single page ? + SARLUCN( _17, 0x86); + SARLUCN( txBuffer, 0x800); + SARLUCN( rxBuffer, 0x800); + SARLUCN( _18, 0x0bff); + */ + + pos += sprintf(arlan_drive_info + pos, "rxRing\t=\t0x"); + for (i = 0; i < 0x50; i++) + pos += sprintf(arlan_drive_info + pos, "%02x", ((char *) priva->conf)[priva->conf->rxOffset + i]); + pos += sprintf(arlan_drive_info + pos, "\n"); + + SARLUC(configStatus); + SARLUC(_22); + SARLUC(progIOCtrl); + SARLUC(shareMBase); + SARLUC(controlRegister); + + pos += sprintf(arlan_drive_info + pos, " total %d chars\n", pos); + if (ctl) + if (ctl->procname) + pos += sprintf(arlan_drive_info + pos, " driver name : %s\n", ctl->procname); +final: + *lenp = pos; + + if (!write) + retv = proc_dostring(ctl, write, buffer, lenp, ppos); + else + { + *lenp = 0; + return -1; + } + return retv; +} + + +static int arlan_sysctl_info161719(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int i; + int retv, pos, devnum; + struct arlan_private *priva = NULL; + + pos = 0; + devnum = ctl->procname[5] - '0'; + if (arlan_device[devnum] == NULL) + { + pos += sprintf(arlan_drive_info + pos, "No device found here \n"); + goto final; + } + else + priva = netdev_priv(arlan_device[devnum]); + if (priva == NULL) + { + printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n "); + return -1; + } + memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem)); + SARLUCN(_16, 0xC0); + SARLUCN(_17, 0x6A); + SARLUCN(_18, 14); + SARLUCN(_19, 0x86); + SARLUCN(_21, 0x3fd); + +final: + *lenp = pos; + retv = proc_dostring(ctl, write, buffer, lenp, ppos); + return retv; +} + +static int arlan_sysctl_infotxRing(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int i; + int retv, pos, devnum; + struct arlan_private *priva = NULL; + + pos = 0; + devnum = ctl->procname[5] - '0'; + if (arlan_device[devnum] == NULL) + { + pos += sprintf(arlan_drive_info + pos, "No device found here \n"); + goto final; + } + else + priva = netdev_priv(arlan_device[devnum]); + if (priva == NULL) + { + printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n "); + return -1; + } + memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem)); + SARLBNpln(u_char, txBuffer, 0x800); +final: + *lenp = pos; + retv = proc_dostring(ctl, write, buffer, lenp, ppos); + return retv; +} + +static int arlan_sysctl_inforxRing(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int i; + int retv, pos, devnum; + struct arlan_private *priva = NULL; + + pos = 0; + devnum = ctl->procname[5] - '0'; + if (arlan_device[devnum] == NULL) + { + pos += sprintf(arlan_drive_info + pos, "No device found here \n"); + goto final; + } else + priva = netdev_priv(arlan_device[devnum]); + if (priva == NULL) + { + printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n "); + return -1; + } + memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem)); + SARLBNpln(u_char, rxBuffer, 0x800); +final: + *lenp = pos; + retv = proc_dostring(ctl, write, buffer, lenp, ppos); + return retv; +} + +static int arlan_sysctl_info18(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int i; + int retv, pos, devnum; + struct arlan_private *priva = NULL; + + pos = 0; + devnum = ctl->procname[5] - '0'; + if (arlan_device[devnum] == NULL) + { + pos += sprintf(arlan_drive_info + pos, "No device found here \n"); + goto final; + } + else + priva = netdev_priv(arlan_device[devnum]); + if (priva == NULL) + { + printk(KERN_WARNING " Could not find the device private in arlan procsys, bad\n "); + return -1; + } + memcpy_fromio(priva->conf, priva->card, sizeof(struct arlan_shmem)); + SARLBNpln(u_char, _18, 0x800); + +final: + *lenp = pos; + retv = proc_dostring(ctl, write, buffer, lenp, ppos); + return retv; +} + + +#endif /* #ifdef ARLAN_PROC_SHM_DUMP */ + + +static char conf_reset_result[200]; + +static int arlan_configure(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int pos = 0; + int devnum = ctl->procname[6] - '0'; + struct arlan_private *priv; + + if (devnum < 0 || devnum > MAX_ARLANS - 1) + { + printk(KERN_WARNING "too strange devnum in procfs parse\n "); + return -1; + } + else if (arlan_device[devnum] != NULL) + { + priv = netdev_priv(arlan_device[devnum]); + + arlan_command(arlan_device[devnum], ARLAN_COMMAND_CLEAN_AND_CONF); + } + else + return -1; + + *lenp = pos; + return proc_dostring(ctl, write, buffer, lenp, ppos); +} + +static int arlan_sysctl_reset(ctl_table * ctl, int write, + void __user *buffer, size_t * lenp, loff_t *ppos) +{ + int pos = 0; + int devnum = ctl->procname[5] - '0'; + struct arlan_private *priv; + + if (devnum < 0 || devnum > MAX_ARLANS - 1) + { + printk(KERN_WARNING "too strange devnum in procfs parse\n "); + return -1; + } + else if (arlan_device[devnum] != NULL) + { + priv = netdev_priv(arlan_device[devnum]); + arlan_command(arlan_device[devnum], ARLAN_COMMAND_CLEAN_AND_RESET); + + } else + return -1; + *lenp = pos + 3; + return proc_dostring(ctl, write, buffer, lenp, ppos); +} + + +/* Place files in /proc/sys/dev/arlan */ +#define CTBLN(card,nam) \ + { .procname = #nam,\ + .data = &(arlan_conf[card].nam),\ + .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec} +#ifdef ARLAN_DEBUGGING + +#define ARLAN_PROC_DEBUG_ENTRIES \ + { .procname = "entry_exit_debug",\ + .data = &arlan_entry_and_exit_debug,\ + .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec},\ + { .procname = "debug", .data = &arlan_debug,\ + .maxlen = sizeof(int), .mode = 0600, .proc_handler = proc_dointvec}, +#else +#define ARLAN_PROC_DEBUG_ENTRIES +#endif + +#define ARLAN_SYSCTL_TABLE_TOTAL(cardNo)\ + CTBLN(cardNo,spreadingCode),\ + CTBLN(cardNo, channelNumber),\ + CTBLN(cardNo, scramblingDisable),\ + CTBLN(cardNo, txAttenuation),\ + CTBLN(cardNo, systemId), \ + CTBLN(cardNo, maxDatagramSize),\ + CTBLN(cardNo, maxFrameSize),\ + CTBLN(cardNo, maxRetries),\ + CTBLN(cardNo, receiveMode),\ + CTBLN(cardNo, priority),\ + CTBLN(cardNo, rootOrRepeater),\ + CTBLN(cardNo, SID),\ + CTBLN(cardNo, registrationMode),\ + CTBLN(cardNo, registrationFill),\ + CTBLN(cardNo, localTalkAddress),\ + CTBLN(cardNo, codeFormat),\ + CTBLN(cardNo, numChannels),\ + CTBLN(cardNo, channel1),\ + CTBLN(cardNo, channel2),\ + CTBLN(cardNo, channel3),\ + CTBLN(cardNo, channel4),\ + CTBLN(cardNo, txClear),\ + CTBLN(cardNo, txRetries),\ + CTBLN(cardNo, txRouting),\ + CTBLN(cardNo, txScrambled),\ + CTBLN(cardNo, rxParameter),\ + CTBLN(cardNo, txTimeoutMs),\ + CTBLN(cardNo, waitCardTimeout),\ + CTBLN(cardNo, channelSet), \ + { .procname = "name",\ + .data = arlan_conf[cardNo].siteName,\ + .maxlen = 16, .mode = 0600, .proc_handler = proc_dostring},\ + CTBLN(cardNo,waitTime),\ + CTBLN(cardNo,lParameter),\ + CTBLN(cardNo,_15),\ + CTBLN(cardNo,headerSize),\ + CTBLN(cardNo,tx_delay_ms),\ + CTBLN(cardNo,retries),\ + CTBLN(cardNo,ReTransmitPacketMaxSize),\ + CTBLN(cardNo,waitReTransmitPacketMaxSize),\ + CTBLN(cardNo,fastReTransCount),\ + CTBLN(cardNo,driverRetransmissions),\ + CTBLN(cardNo,txAckTimeoutMs),\ + CTBLN(cardNo,registrationInterrupts),\ + CTBLN(cardNo,hardwareType),\ + CTBLN(cardNo,radioType),\ + CTBLN(cardNo,writeEEPROM),\ + CTBLN(cardNo,writeRadioType),\ + ARLAN_PROC_DEBUG_ENTRIES\ + CTBLN(cardNo,in_speed),\ + CTBLN(cardNo,out_speed),\ + CTBLN(cardNo,in_speed10),\ + CTBLN(cardNo,out_speed10),\ + CTBLN(cardNo,in_speed_max),\ + CTBLN(cardNo,out_speed_max),\ + CTBLN(cardNo,measure_rate),\ + CTBLN(cardNo,pre_Command_Wait),\ + CTBLN(cardNo,rx_tweak1),\ + CTBLN(cardNo,rx_tweak2),\ + CTBLN(cardNo,tx_queue_len),\ + + + +static ctl_table arlan_conf_table0[] = +{ + ARLAN_SYSCTL_TABLE_TOTAL(0) + +#ifdef ARLAN_PROC_SHM_DUMP + { + .procname = "arlan0-txRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_infotxRing, + }, + { + .procname = "arlan0-rxRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_inforxRing, + }, + { + .procname = "arlan0-18", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info18, + }, + { + .procname = "arlan0-ring", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info161719, + }, + { + .procname = "arlan0-shm-cpy", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info, + }, +#endif + { + .procname = "config0", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_configure + }, + { + .procname = "reset0", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_sysctl_reset, + }, + { } +}; + +static ctl_table arlan_conf_table1[] = +{ + + ARLAN_SYSCTL_TABLE_TOTAL(1) + +#ifdef ARLAN_PROC_SHM_DUMP + { + .procname = "arlan1-txRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_infotxRing, + }, + { + .procname = "arlan1-rxRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_inforxRing, + }, + { + .procname = "arlan1-18", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info18, + }, + { + .procname = "arlan1-ring", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info161719, + }, + { + .procname = "arlan1-shm-cpy", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info, + }, +#endif + { + .procname = "config1", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_configure, + }, + { + .procname = "reset1", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_sysctl_reset, + }, + { } +}; + +static ctl_table arlan_conf_table2[] = +{ + + ARLAN_SYSCTL_TABLE_TOTAL(2) + +#ifdef ARLAN_PROC_SHM_DUMP + { + .procname = "arlan2-txRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_infotxRing, + }, + { + .procname = "arlan2-rxRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_inforxRing, + }, + { + .procname = "arlan2-18", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info18, + }, + { + .procname = "arlan2-ring", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info161719, + }, + { + .procname = "arlan2-shm-cpy", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info, + }, +#endif + { + .procname = "config2", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_configure, + }, + { + .procname = "reset2", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_sysctl_reset, + }, + { } +}; + +static ctl_table arlan_conf_table3[] = +{ + + ARLAN_SYSCTL_TABLE_TOTAL(3) + +#ifdef ARLAN_PROC_SHM_DUMP + { + .procname = "arlan3-txRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_infotxRing, + }, + { + .procname = "arlan3-rxRing", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_inforxRing, + }, + { + .procname = "arlan3-18", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info18, + }, + { + .procname = "arlan3-ring", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info161719, + }, + { + .procname = "arlan3-shm-cpy", + .data = &arlan_drive_info, + .maxlen = ARLAN_STR_SIZE, + .mode = 0400, + .proc_handler = arlan_sysctl_info, + }, +#endif + { + .procname = "config3", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_configure, + }, + { + .procname = "reset3", + .data = &conf_reset_result, + .maxlen = 100, + .mode = 0400, + .proc_handler = arlan_sysctl_reset, + }, + { } +}; + + + +static ctl_table arlan_table[] = +{ + { + .procname = "arlan0", + .maxlen = 0, + .mode = 0600, + .child = arlan_conf_table0, + }, + { + .procname = "arlan1", + .maxlen = 0, + .mode = 0600, + .child = arlan_conf_table1, + }, + { + .procname = "arlan2", + .maxlen = 0, + .mode = 0600, + .child = arlan_conf_table2, + }, + { + .procname = "arlan3", + .maxlen = 0, + .mode = 0600, + .child = arlan_conf_table3, + }, + { } +}; + +#else + +static ctl_table arlan_table[] = +{ + { } +}; +#endif + + +// static int mmtu = 1234; + +static ctl_table arlan_root_table[] = +{ + { + .procname = "arlan", + .maxlen = 0, + .mode = 0555, + .child = arlan_table, + }, + { } +}; + + +static struct ctl_table_header *arlan_device_sysctl_header; + +int __init init_arlan_proc(void) +{ + + int i = 0; + if (arlan_device_sysctl_header) + return 0; + arlan_device_sysctl_header = register_sysctl_table(arlan_root_table); + if (!arlan_device_sysctl_header) + return -1; + + return 0; + +} + +void __exit cleanup_arlan_proc(void) +{ + unregister_sysctl_table(arlan_device_sysctl_header); + arlan_device_sysctl_header = NULL; + +} +#endif diff --git a/drivers/staging/arlan/arlan.h b/drivers/staging/arlan/arlan.h new file mode 100644 index 0000000..fb3ad51 --- /dev/null +++ b/drivers/staging/arlan/arlan.h @@ -0,0 +1,539 @@ +/* + * Copyright (C) 1997 Cullen Jennings + * Copyright (C) 1998 Elmer.Joandi@ut.ee, +37-255-13500 + * GNU General Public License applies + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/skbuff.h> +#include <linux/if_ether.h> /* For the statistics structure. */ +#include <linux/if_arp.h> /* For ARPHRD_ETHER */ +#include <linux/ptrace.h> +#include <linux/ioport.h> +#include <linux/in.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/timer.h> + +#include <linux/init.h> +#include <linux/bitops.h> +#include <asm/system.h> +#include <asm/io.h> +#include <linux/errno.h> +#include <linux/delay.h> +#include <linux/netdevice.h> +#include <linux/etherdevice.h> + + +//#define ARLAN_DEBUGGING 1 + +#define ARLAN_PROC_INTERFACE +#define MAX_ARLANS 4 /* not more than 4 ! */ +#define ARLAN_PROC_SHM_DUMP /* shows all card registers, makes driver way larger */ + +#define ARLAN_MAX_MULTICAST_ADDRS 16 +#define ARLAN_RCV_CLEAN 0 +#define ARLAN_RCV_PROMISC 1 +#define ARLAN_RCV_CONTROL 2 + +#ifdef CONFIG_PROC_FS +extern int init_arlan_proc(void); +extern void cleanup_arlan_proc(void); +#else +#define init_arlan_proc() ({ 0; }) +#define cleanup_arlan_proc() do { } while (0) +#endif + +extern struct net_device *arlan_device[MAX_ARLANS]; +extern int arlan_debug; +extern int arlan_entry_debug; +extern int arlan_exit_debug; +extern int testMemory; +extern int arlan_command(struct net_device * dev, int command); + +#define SIDUNKNOWN -1 +#define radioNodeIdUNKNOWN -1 +#define irqUNKNOWN 0 +#define debugUNKNOWN 0 +#define testMemoryUNKNOWN 1 +#define spreadingCodeUNKNOWN 0 +#define channelNumberUNKNOWN 0 +#define channelSetUNKNOWN 0 +#define systemIdUNKNOWN -1 +#define registrationModeUNKNOWN -1 + + +#define IFDEBUG( L ) if ( (L) & arlan_debug ) +#define ARLAN_FAKE_HDR_LEN 12 + +#ifdef ARLAN_DEBUGGING + #define DEBUG 1 + #define ARLAN_ENTRY_EXIT_DEBUGGING 1 + #define ARLAN_DEBUG(a,b) printk(KERN_DEBUG a, b) +#else + #define ARLAN_DEBUG(a,b) +#endif + +#define ARLAN_SHMEM_SIZE 0x2000 + +struct arlan_shmem +{ + /* Header Signature */ + volatile char textRegion[48]; + volatile u_char resetFlag; + volatile u_char diagnosticInfo; + volatile u_short diagnosticOffset; + volatile u_char _1[12]; + volatile u_char lanCardNodeId[6]; + volatile u_char broadcastAddress[6]; + volatile u_char hardwareType; + volatile u_char majorHardwareVersion; + volatile u_char minorHardwareVersion; + volatile u_char radioModule;// shows EEPROM, can be overridden at 0x111 + volatile u_char defaultChannelSet; // shows EEProm, can be overriiden at 0x10A + volatile u_char _2[47]; + + /* Control/Status Block - 0x0080 */ + volatile u_char interruptInProgress; /* not used by lancpu */ + volatile u_char cntrlRegImage; /* not used by lancpu */ + volatile u_char _3[13]; + volatile u_char dumpByte; + volatile u_char commandByte; /* non-zero = active */ + volatile u_char commandParameter[15]; + + /* Receive Status - 0x00a0 */ + volatile u_char rxStatus; /* 1- data, 2-control, 0xff - registr change */ + volatile u_char rxFrmType; + volatile u_short rxOffset; + volatile u_short rxLength; + volatile u_char rxSrc[6]; + volatile u_char rxBroadcastFlag; + volatile u_char rxQuality; + volatile u_char scrambled; + volatile u_char _4[1]; + + /* Transmit Status - 0x00b0 */ + volatile u_char txStatus; + volatile u_char txAckQuality; + volatile u_char numRetries; + volatile u_char _5[14]; + volatile u_char registeredRouter[6]; + volatile u_char backboneRouter[6]; + volatile u_char registrationStatus; + volatile u_char configuredStatusFlag; + volatile u_char _6[1]; + volatile u_char ultimateDestAddress[6]; + volatile u_char immedDestAddress[6]; + volatile u_char immedSrcAddress[6]; + volatile u_short rxSequenceNumber; + volatile u_char assignedLocaltalkAddress; + volatile u_char _7[27]; + + /* System Parameter Block */ + + /* - Driver Parameters (Novell Specific) */ + + volatile u_short txTimeout; + volatile u_short transportTime; + volatile u_char _8[4]; + + /* - Configuration Parameters */ + volatile u_char irqLevel; + volatile u_char spreadingCode; + volatile u_char channelSet; + volatile u_char channelNumber; + volatile u_short radioNodeId; + volatile u_char _9[2]; + volatile u_char scramblingDisable; + volatile u_char radioType; + volatile u_short routerId; + volatile u_char _10[9]; + volatile u_char txAttenuation; + volatile u_char systemId[4]; + volatile u_short globalChecksum; + volatile u_char _11[4]; + volatile u_short maxDatagramSize; + volatile u_short maxFrameSize; + volatile u_char maxRetries; + volatile u_char receiveMode; + volatile u_char priority; + volatile u_char rootOrRepeater; + volatile u_char specifiedRouter[6]; + volatile u_short fastPollPeriod; + volatile u_char pollDecay; + volatile u_char fastPollDelay[2]; + volatile u_char arlThreshold; + volatile u_char arlDecay; + volatile u_char _12[1]; + volatile u_short specRouterTimeout; + volatile u_char _13[5]; + + /* Scrambled Area */ + volatile u_char SID[4]; + volatile u_char encryptionKey[12]; + volatile u_char _14[2]; + volatile u_char waitTime[2]; + volatile u_char lParameter[2]; + volatile u_char _15[3]; + volatile u_short headerSize; + volatile u_short sectionChecksum; + + volatile u_char registrationMode; + volatile u_char registrationFill; + volatile u_short pollPeriod; + volatile u_short refreshPeriod; + volatile u_char name[16]; + volatile u_char NID[6]; + volatile u_char localTalkAddress; + volatile u_char codeFormat; + volatile u_char numChannels; + volatile u_char channel1; + volatile u_char channel2; + volatile u_char channel3; + volatile u_char channel4; + volatile u_char SSCode[59]; + + volatile u_char _16[0xC0]; + volatile u_short auxCmd; + volatile u_char dumpPtr[4]; + volatile u_char dumpVal; + volatile u_char _17[0x6A]; + volatile u_char wireTest; + volatile u_char _18[14]; + + /* Statistics Block - 0x0300 */ + volatile u_char hostcpuLock; + volatile u_char lancpuLock; + volatile u_char resetTime[18]; + + volatile u_char numDatagramsTransmitted[4]; + volatile u_char numReTransmissions[4]; + volatile u_char numFramesDiscarded[4]; + volatile u_char numDatagramsReceived[4]; + volatile u_char numDuplicateReceivedFrames[4]; + volatile u_char numDatagramsDiscarded[4]; + + volatile u_short maxNumReTransmitDatagram; + volatile u_short maxNumReTransmitFrames; + volatile u_short maxNumConsecutiveDuplicateFrames; + /* misaligned here so we have to go to characters */ + + volatile u_char numBytesTransmitted[4]; + volatile u_char numBytesReceived[4]; + volatile u_char numCRCErrors[4]; + volatile u_char numLengthErrors[4]; + volatile u_char numAbortErrors[4]; + volatile u_char numTXUnderruns[4]; + volatile u_char numRXOverruns[4]; + volatile u_char numHoldOffs[4]; + volatile u_char numFramesTransmitted[4]; + volatile u_char numFramesReceived[4]; + volatile u_char numReceiveFramesLost[4]; + volatile u_char numRXBufferOverflows[4]; + volatile u_char numFramesDiscardedAddrMismatch[4]; + volatile u_char numFramesDiscardedSIDMismatch[4]; + volatile u_char numPollsTransmistted[4]; + volatile u_char numPollAcknowledges[4]; + volatile u_char numStatusTimeouts[4]; + volatile u_char numNACKReceived[4]; + + volatile u_char _19[0x86]; + + volatile u_char txBuffer[0x800]; + volatile u_char rxBuffer[0x800]; + + volatile u_char _20[0x800]; + volatile u_char _21[0x3fb]; + volatile u_char configStatus; + volatile u_char _22; + volatile u_char progIOCtrl; + volatile u_char shareMBase; + volatile u_char controlRegister; +}; + +struct arlan_conf_stru { + int spreadingCode; + int channelSet; + int channelNumber; + int scramblingDisable; + int txAttenuation; + int systemId; + int maxDatagramSize; + int maxFrameSize; + int maxRetries; + int receiveMode; + int priority; + int rootOrRepeater; + int SID; + int radioNodeId; + int registrationMode; + int registrationFill; + int localTalkAddress; + int codeFormat; + int numChannels; + int channel1; + int channel2; + int channel3; + int channel4; + int txClear; + int txRetries; + int txRouting; + int txScrambled; + int rxParameter; + int txTimeoutMs; + int txAckTimeoutMs; + int waitCardTimeout; + int waitTime; + int lParameter; + int _15; + int headerSize; + int retries; + int tx_delay_ms; + int waitReTransmitPacketMaxSize; + int ReTransmitPacketMaxSize; + int fastReTransCount; + int driverRetransmissions; + int registrationInterrupts; + int hardwareType; + int radioType; + int writeRadioType; + int writeEEPROM; + char siteName[17]; + int measure_rate; + int in_speed; + int out_speed; + int in_speed10; + int out_speed10; + int in_speed_max; + int out_speed_max; + int pre_Command_Wait; + int rx_tweak1; + int rx_tweak2; + int tx_queue_len; +}; + +extern struct arlan_conf_stru arlan_conf[MAX_ARLANS]; + +struct TxParam +{ + volatile short offset; + volatile short length; + volatile u_char dest[6]; + volatile unsigned char clear; + volatile unsigned char retries; + volatile unsigned char routing; + volatile unsigned char scrambled; +}; + +#define TX_RING_SIZE 2 +/* Information that need to be kept for each board. */ +struct arlan_private { + struct arlan_shmem __iomem * card; + struct arlan_shmem * conf; + + struct arlan_conf_stru * Conf; + int bad; + int reset; + unsigned long lastReset; + struct timer_list timer; + struct timer_list tx_delay_timer; + struct timer_list tx_retry_timer; + struct timer_list rx_check_timer; + + int registrationLostCount; + int reRegisterExp; + int irq_test_done; + + struct TxParam txRing[TX_RING_SIZE]; + char reTransmitBuff[0x800]; + int txLast; + unsigned ReTransmitRequested; + unsigned long tx_done_delayed; + unsigned long registrationLastSeen; + + unsigned long tx_last_sent; + unsigned long tx_last_cleared; + unsigned long retransmissions; + unsigned long interrupt_ack_requested; + spinlock_t lock; + unsigned long waiting_command_mask; + unsigned long card_polling_interval; + unsigned long last_command_buff_free_time; + + int under_reset; + int under_config; + int rx_command_given; + int tx_command_given; + unsigned long interrupt_processing_active; + unsigned long last_rx_int_ack_time; + unsigned long in_bytes; + unsigned long out_bytes; + unsigned long in_time; + unsigned long out_time; + unsigned long in_time10; + unsigned long out_time10; + unsigned long in_bytes10; + unsigned long out_bytes10; + int init_etherdev_alloc; +}; + + + +#define ARLAN_CLEAR 0x00 +#define ARLAN_RESET 0x01 +#define ARLAN_CHANNEL_ATTENTION 0x02 +#define ARLAN_INTERRUPT_ENABLE 0x04 +#define ARLAN_CLEAR_INTERRUPT 0x08 +#define ARLAN_POWER 0x40 +#define ARLAN_ACCESS 0x80 + +#define ARLAN_COM_CONF 0x01 +#define ARLAN_COM_RX_ENABLE 0x03 +#define ARLAN_COM_RX_ABORT 0x04 +#define ARLAN_COM_TX_ENABLE 0x05 +#define ARLAN_COM_TX_ABORT 0x06 +#define ARLAN_COM_NOP 0x07 +#define ARLAN_COM_STANDBY 0x08 +#define ARLAN_COM_ACTIVATE 0x09 +#define ARLAN_COM_GOTO_SLOW_POLL 0x0a +#define ARLAN_COM_INT 0x80 + + +#define TXLAST(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[((struct arlan_private *)netdev_priv(dev))->txLast]) +#define TXHEAD(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[0]) +#define TXTAIL(dev) (((struct arlan_private *)netdev_priv(dev))->txRing[1]) + +#define TXBuffStart(dev) offsetof(struct arlan_shmem, txBuffer) +#define TXBuffEnd(dev) offsetof(struct arlan_shmem, xxBuffer) + +#define READSHM(to,from,atype) {\ + atype tmp;\ + memcpy_fromio(&(tmp),&(from),sizeof(atype));\ + to = tmp;\ + } + +#define READSHMEM(from,atype)\ + atype from; \ + READSHM(from, arlan->from, atype); + +#define WRITESHM(to,from,atype) \ + { atype tmpSHM = from;\ + memcpy_toio(&(to),&tmpSHM,sizeof(atype));\ + } + +#define DEBUGSHM(levelSHM,stringSHM,stuff,atype) \ + { atype tmpSHM; \ + memcpy_fromio(&tmpSHM,&(stuff),sizeof(atype));\ + IFDEBUG(levelSHM) printk(stringSHM,tmpSHM);\ + } + +#define WRITESHMB(to, val) \ + writeb(val,&(to)) +#define READSHMB(to) \ + readb(&(to)) +#define WRITESHMS(to, val) \ + writew(val,&(to)) +#define READSHMS(to) \ + readw(&(to)) +#define WRITESHMI(to, val) \ + writel(val,&(to)) +#define READSHMI(to) \ + readl(&(to)) + + + + + +#define registrationBad(dev)\ + ( ( READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationMode) > 0) && \ + ( READSHMB(((struct arlan_private *)netdev_priv(dev))->card->registrationStatus) == 0) ) + + +#define readControlRegister(dev)\ + READSHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage) + +#define writeControlRegister(dev, v){\ + WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->cntrlRegImage ,((v) &0xF) );\ + WRITESHMB(((struct arlan_private *)netdev_priv(dev))->card->controlRegister ,(v) );} + + +#define arlan_interrupt_lancpu(dev) {\ + int cr; \ + \ + cr = readControlRegister(dev);\ + if (cr & ARLAN_CHANNEL_ATTENTION){ \ + writeControlRegister(dev, (cr & ~ARLAN_CHANNEL_ATTENTION));\ + }else \ + writeControlRegister(dev, (cr | ARLAN_CHANNEL_ATTENTION));\ +} + +#define clearChannelAttention(dev){ \ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CHANNEL_ATTENTION);} +#define setHardwareReset(dev) {\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_RESET);} +#define clearHardwareReset(dev) {\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_RESET);} +#define setInterruptEnable(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_INTERRUPT_ENABLE) ;} +#define clearInterruptEnable(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_INTERRUPT_ENABLE) ;} +#define setClearInterrupt(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_CLEAR_INTERRUPT) ;} +#define clearClearInterrupt(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_CLEAR_INTERRUPT);} +#define setPowerOff(dev){\ + writeControlRegister(dev,readControlRegister(dev) | (ARLAN_POWER && ARLAN_ACCESS));\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);} +#define setPowerOn(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~(ARLAN_POWER)); } +#define arlan_lock_card_access(dev){\ + writeControlRegister(dev,readControlRegister(dev) & ~ARLAN_ACCESS);} +#define arlan_unlock_card_access(dev){\ + writeControlRegister(dev,readControlRegister(dev) | ARLAN_ACCESS ); } + + + + +#define ARLAN_COMMAND_RX 0x000001 +#define ARLAN_COMMAND_NOOP 0x000002 +#define ARLAN_COMMAND_NOOPINT 0x000004 +#define ARLAN_COMMAND_TX 0x000008 +#define ARLAN_COMMAND_CONF 0x000010 +#define ARLAN_COMMAND_RESET 0x000020 +#define ARLAN_COMMAND_TX_ABORT 0x000040 +#define ARLAN_COMMAND_RX_ABORT 0x000080 +#define ARLAN_COMMAND_POWERDOWN 0x000100 +#define ARLAN_COMMAND_POWERUP 0x000200 +#define ARLAN_COMMAND_SLOW_POLL 0x000400 +#define ARLAN_COMMAND_ACTIVATE 0x000800 +#define ARLAN_COMMAND_INT_ACK 0x001000 +#define ARLAN_COMMAND_INT_ENABLE 0x002000 +#define ARLAN_COMMAND_WAIT_NOW 0x004000 +#define ARLAN_COMMAND_LONG_WAIT_NOW 0x008000 +#define ARLAN_COMMAND_STANDBY 0x010000 +#define ARLAN_COMMAND_INT_RACK 0x020000 +#define ARLAN_COMMAND_INT_RENABLE 0x040000 +#define ARLAN_COMMAND_CONF_WAIT 0x080000 +#define ARLAN_COMMAND_TBUSY_CLEAR 0x100000 +#define ARLAN_COMMAND_CLEAN_AND_CONF (ARLAN_COMMAND_TX_ABORT\ + | ARLAN_COMMAND_RX_ABORT\ + | ARLAN_COMMAND_CONF) +#define ARLAN_COMMAND_CLEAN_AND_RESET (ARLAN_COMMAND_TX_ABORT\ + | ARLAN_COMMAND_RX_ABORT\ + | ARLAN_COMMAND_RESET) + + + +#define ARLAN_DEBUG_CHAIN_LOCKS 0x00001 +#define ARLAN_DEBUG_RESET 0x00002 +#define ARLAN_DEBUG_TIMING 0x00004 +#define ARLAN_DEBUG_CARD_STATE 0x00008 +#define ARLAN_DEBUG_TX_CHAIN 0x00010 +#define ARLAN_DEBUG_MULTICAST 0x00020 +#define ARLAN_DEBUG_HEADER_DUMP 0x00040 +#define ARLAN_DEBUG_INTERRUPT 0x00080 +#define ARLAN_DEBUG_STARTUP 0x00100 +#define ARLAN_DEBUG_SHUTDOWN 0x00200 + |