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-rw-r--r--drivers/staging/arlan/Kconfig15
-rw-r--r--drivers/staging/arlan/Makefile3
-rw-r--r--drivers/staging/arlan/arlan-main.c1887
-rw-r--r--drivers/staging/arlan/arlan-proc.c1253
-rw-r--r--drivers/staging/arlan/arlan.h539
5 files changed, 3697 insertions, 0 deletions
diff --git a/drivers/staging/arlan/Kconfig b/drivers/staging/arlan/Kconfig
new file mode 100644
index 000000000000..0585ed8b4d3e
--- /dev/null
+++ b/drivers/staging/arlan/Kconfig
@@ -0,0 +1,15 @@
+config ARLAN
+ tristate "Aironet Arlan 655 & IC2200 DS support"
+ depends on ISA && !64BIT
+ 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 000000000000..9e58e5fae7b9
--- /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/arlan-main.c b/drivers/staging/arlan/arlan-main.c
new file mode 100644
index 000000000000..921a082487a1
--- /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 000000000000..a8b689635a3b
--- /dev/null
+++ b/drivers/staging/arlan/arlan-proc.c
@@ -0,0 +1,1253 @@
+#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(num,card,nam) \
+ { .ctl_name = num,\
+ .procname = #nam,\
+ .data = &(arlan_conf[card].nam),\
+ .maxlen = sizeof(int), .mode = 0600, .proc_handler = &proc_dointvec}
+#ifdef ARLAN_DEBUGGING
+
+#define ARLAN_PROC_DEBUG_ENTRIES \
+ { .ctl_name = 48, .procname = "entry_exit_debug",\
+ .data = &arlan_entry_and_exit_debug,\
+ .maxlen = sizeof(int), .mode = 0600, .proc_handler = &proc_dointvec},\
+ { .ctl_name = 49, .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(1,cardNo,spreadingCode),\
+ CTBLN(2,cardNo, channelNumber),\
+ CTBLN(3,cardNo, scramblingDisable),\
+ CTBLN(4,cardNo, txAttenuation),\
+ CTBLN(5,cardNo, systemId), \
+ CTBLN(6,cardNo, maxDatagramSize),\
+ CTBLN(7,cardNo, maxFrameSize),\
+ CTBLN(8,cardNo, maxRetries),\
+ CTBLN(9,cardNo, receiveMode),\
+ CTBLN(10,cardNo, priority),\
+ CTBLN(11,cardNo, rootOrRepeater),\
+ CTBLN(12,cardNo, SID),\
+ CTBLN(13,cardNo, registrationMode),\
+ CTBLN(14,cardNo, registrationFill),\
+ CTBLN(15,cardNo, localTalkAddress),\
+ CTBLN(16,cardNo, codeFormat),\
+ CTBLN(17,cardNo, numChannels),\
+ CTBLN(18,cardNo, channel1),\
+ CTBLN(19,cardNo, channel2),\
+ CTBLN(20,cardNo, channel3),\
+ CTBLN(21,cardNo, channel4),\
+ CTBLN(22,cardNo, txClear),\
+ CTBLN(23,cardNo, txRetries),\
+ CTBLN(24,cardNo, txRouting),\
+ CTBLN(25,cardNo, txScrambled),\
+ CTBLN(26,cardNo, rxParameter),\
+ CTBLN(27,cardNo, txTimeoutMs),\
+ CTBLN(28,cardNo, waitCardTimeout),\
+ CTBLN(29,cardNo, channelSet), \
+ {.ctl_name = 30, .procname = "name",\
+ .data = arlan_conf[cardNo].siteName,\
+ .maxlen = 16, .mode = 0600, .proc_handler = &proc_dostring},\
+ CTBLN(31,cardNo,waitTime),\
+ CTBLN(32,cardNo,lParameter),\
+ CTBLN(33,cardNo,_15),\
+ CTBLN(34,cardNo,headerSize),\
+ CTBLN(36,cardNo,tx_delay_ms),\
+ CTBLN(37,cardNo,retries),\
+ CTBLN(38,cardNo,ReTransmitPacketMaxSize),\
+ CTBLN(39,cardNo,waitReTransmitPacketMaxSize),\
+ CTBLN(40,cardNo,fastReTransCount),\
+ CTBLN(41,cardNo,driverRetransmissions),\
+ CTBLN(42,cardNo,txAckTimeoutMs),\
+ CTBLN(43,cardNo,registrationInterrupts),\
+ CTBLN(44,cardNo,hardwareType),\
+ CTBLN(45,cardNo,radioType),\
+ CTBLN(46,cardNo,writeEEPROM),\
+ CTBLN(47,cardNo,writeRadioType),\
+ ARLAN_PROC_DEBUG_ENTRIES\
+ CTBLN(50,cardNo,in_speed),\
+ CTBLN(51,cardNo,out_speed),\
+ CTBLN(52,cardNo,in_speed10),\
+ CTBLN(53,cardNo,out_speed10),\
+ CTBLN(54,cardNo,in_speed_max),\
+ CTBLN(55,cardNo,out_speed_max),\
+ CTBLN(56,cardNo,measure_rate),\
+ CTBLN(57,cardNo,pre_Command_Wait),\
+ CTBLN(58,cardNo,rx_tweak1),\
+ CTBLN(59,cardNo,rx_tweak2),\
+ CTBLN(60,cardNo,tx_queue_len),\
+
+
+
+static ctl_table arlan_conf_table0[] =
+{
+ ARLAN_SYSCTL_TABLE_TOTAL(0)
+
+#ifdef ARLAN_PROC_SHM_DUMP
+ {
+ .ctl_name = 150,
+ .procname = "arlan0-txRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_infotxRing,
+ },
+ {
+ .ctl_name = 151,
+ .procname = "arlan0-rxRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_inforxRing,
+ },
+ {
+ .ctl_name = 152,
+ .procname = "arlan0-18",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info18,
+ },
+ {
+ .ctl_name = 153,
+ .procname = "arlan0-ring",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info161719,
+ },
+ {
+ .ctl_name = 154,
+ .procname = "arlan0-shm-cpy",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info,
+ },
+#endif
+ {
+ .ctl_name = 155,
+ .procname = "config0",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_configure
+ },
+ {
+ .ctl_name = 156,
+ .procname = "reset0",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_reset,
+ },
+ { .ctl_name = 0 }
+};
+
+static ctl_table arlan_conf_table1[] =
+{
+
+ ARLAN_SYSCTL_TABLE_TOTAL(1)
+
+#ifdef ARLAN_PROC_SHM_DUMP
+ {
+ .ctl_name = 150,
+ .procname = "arlan1-txRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_infotxRing,
+ },
+ {
+ .ctl_name = 151,
+ .procname = "arlan1-rxRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_inforxRing,
+ },
+ {
+ .ctl_name = 152,
+ .procname = "arlan1-18",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info18,
+ },
+ {
+ .ctl_name = 153,
+ .procname = "arlan1-ring",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info161719,
+ },
+ {
+ .ctl_name = 154,
+ .procname = "arlan1-shm-cpy",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info,
+ },
+#endif
+ {
+ .ctl_name = 155,
+ .procname = "config1",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_configure,
+ },
+ {
+ .ctl_name = 156,
+ .procname = "reset1",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_reset,
+ },
+ { .ctl_name = 0 }
+};
+
+static ctl_table arlan_conf_table2[] =
+{
+
+ ARLAN_SYSCTL_TABLE_TOTAL(2)
+
+#ifdef ARLAN_PROC_SHM_DUMP
+ {
+ .ctl_name = 150,
+ .procname = "arlan2-txRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_infotxRing,
+ },
+ {
+ .ctl_name = 151,
+ .procname = "arlan2-rxRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_inforxRing,
+ },
+ {
+ .ctl_name = 152,
+ .procname = "arlan2-18",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info18,
+ },
+ {
+ .ctl_name = 153,
+ .procname = "arlan2-ring",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info161719,
+ },
+ {
+ .ctl_name = 154,
+ .procname = "arlan2-shm-cpy",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info,
+ },
+#endif
+ {
+ .ctl_name = 155,
+ .procname = "config2",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_configure,
+ },
+ {
+ .ctl_name = 156,
+ .procname = "reset2",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_reset,
+ },
+ { .ctl_name = 0 }
+};
+
+static ctl_table arlan_conf_table3[] =
+{
+
+ ARLAN_SYSCTL_TABLE_TOTAL(3)
+
+#ifdef ARLAN_PROC_SHM_DUMP
+ {
+ .ctl_name = 150,
+ .procname = "arlan3-txRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_infotxRing,
+ },
+ {
+ .ctl_name = 151,
+ .procname = "arlan3-rxRing",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_inforxRing,
+ },
+ {
+ .ctl_name = 152,
+ .procname = "arlan3-18",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info18,
+ },
+ {
+ .ctl_name = 153,
+ .procname = "arlan3-ring",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info161719,
+ },
+ {
+ .ctl_name = 154,
+ .procname = "arlan3-shm-cpy",
+ .data = &arlan_drive_info,
+ .maxlen = ARLAN_STR_SIZE,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_info,
+ },
+#endif
+ {
+ .ctl_name = 155,
+ .procname = "config3",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_configure,
+ },
+ {
+ .ctl_name = 156,
+ .procname = "reset3",
+ .data = &conf_reset_result,
+ .maxlen = 100,
+ .mode = 0400,
+ .proc_handler = &arlan_sysctl_reset,
+ },
+ { .ctl_name = 0 }
+};
+
+
+
+static ctl_table arlan_table[] =
+{
+ {
+ .ctl_name = 0,
+ .procname = "arlan0",
+ .maxlen = 0,
+ .mode = 0600,
+ .child = arlan_conf_table0,
+ },
+ {
+ .ctl_name = 0,
+ .procname = "arlan1",
+ .maxlen = 0,
+ .mode = 0600,
+ .child = arlan_conf_table1,
+ },
+ {
+ .ctl_name = 0,
+ .procname = "arlan2",
+ .maxlen = 0,
+ .mode = 0600,
+ .child = arlan_conf_table2,
+ },
+ {
+ .ctl_name = 0,
+ .procname = "arlan3",
+ .maxlen = 0,
+ .mode = 0600,
+ .child = arlan_conf_table3,
+ },
+ { .ctl_name = 0 }
+};
+
+#else
+
+static ctl_table arlan_table[MAX_ARLANS + 1] =
+{
+ { .ctl_name = 0 }
+};
+#endif
+
+
+// static int mmtu = 1234;
+
+static ctl_table arlan_root_table[] =
+{
+ {
+ .ctl_name = CTL_ARLAN,
+ .procname = "arlan",
+ .maxlen = 0,
+ .mode = 0555,
+ .child = arlan_table,
+ },
+ { .ctl_name = 0 }
+};
+
+/* Make sure that /proc/sys/dev is there */
+//static ctl_table arlan_device_root_table[] =
+//{
+// {CTL_DEV, "dev", NULL, 0, 0555, arlan_root_table},
+// {0}
+//};
+
+
+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;
+ for (i = 0; i < MAX_ARLANS && arlan_device[i]; i++)
+ arlan_table[i].ctl_name = i + 1;
+ 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 000000000000..fb3ad51a1caf
--- /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
+