From: John Sheehan <john.d.sheehan@xxxxxxxxx>
fix all but one of the errors reported by checkpatch.pl tool.
Errors included wayward braces, white space issues(trailing
and prohibited), C99 issues, and foo* issues
Signed-off-by: John Sheehan <john.d.sheehan@xxxxxxxxx>
---
drivers/staging/arlan/arlan-main.c | 935 ++++++++++++++++--------------------
1 files changed, 409 insertions(+), 526 deletions(-)
diff --git a/drivers/staging/arlan/arlan-main.c b/drivers/staging/arlan/arlan-main.c
index 88fdd53..58deb96 100644
--- a/drivers/staging/arlan/arlan-main.c
+++ b/drivers/staging/arlan/arlan-main.c
@@ -80,15 +80,14 @@ 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 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)
{
@@ -102,14 +101,14 @@ static inline long us2ticks(int us)
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));\
+ 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) );\
+ printk("<<<---" name " %ld " "\n", ((long int) timev.tv_sec * 1000000 + timev.tv_usec));\
}
#else
#define ARLAN_DEBUG_ENTRY(name)
@@ -118,8 +117,8 @@ static inline long us2ticks(int us)
#define arlan_interrupt_ack(dev)\
- clearClearInterrupt(dev);\
- setClearInterrupt(dev);
+ clearClearInterrupt(dev);\
+ setClearInterrupt(dev);
static inline int arlan_drop_tx(struct net_device *dev)
{
@@ -127,18 +126,15 @@ static inline int arlan_drop_tx(struct net_device *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
- {
+ 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);
+ netif_wake_queue(dev);
}
return 1;
}
@@ -169,13 +165,11 @@ int arlan_command(struct net_device *dev, int command_p)
if (time_after(jiffies, priv->lastReset + 5 * HZ))
priv->waiting_command_mask &= ~ARLAN_COMMAND_RESET;
- if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ACK)
- {
+ 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)
- {
+ if (priv->waiting_command_mask & ARLAN_COMMAND_INT_ENABLE) {
setInterruptEnable(dev);
priv->waiting_command_mask &= ~ARLAN_COMMAND_INT_ENABLE;
}
@@ -185,12 +179,10 @@ int arlan_command(struct net_device *dev, int command_p)
/* 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 (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)) /* ||
+ READSHMB(arlan->commandByte)) /* ||
(readControlRegister(dev) & ARLAN_ACCESS))
*/
udelay(40);
@@ -199,27 +191,20 @@ int arlan_command(struct net_device *dev, int command_p)
udelayed++;
- if (priv->waiting_command_mask & ARLAN_COMMAND_LONG_WAIT_NOW)
- {
- if (udelayed * 40 > 1000000)
- {
+ 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)
- {
+ } 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
- {
+ } else {
i = 0;
while ((READSHMB(arlan->resetFlag) ||
READSHMB(arlan->commandByte)) &&
@@ -230,9 +215,7 @@ int arlan_command(struct net_device *dev, int command_p)
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;
@@ -241,55 +224,43 @@ int arlan_command(struct net_device *dev, int command_p)
/* Issuing command */
arlan_lock_card_access(dev);
- if (priv->waiting_command_mask & ARLAN_COMMAND_POWERUP)
- {
- // if (readControlRegister(dev) & (ARLAN_ACCESS && ARLAN_POWER))
+ 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)
- {
+ } 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)
- {
+ } 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)
- {
+ } 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);
+ } 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);
+
+ netif_stop_queue(dev);
if (arlan_debug & ARLAN_DEBUG_RESET)
printk(KERN_ERR "%s: Doing chip reset\n", dev->name);
priv->lastReset = jiffies;
@@ -303,11 +274,9 @@ int arlan_command(struct net_device *dev, int command_p)
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)
- {
+ /* 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);
@@ -316,126 +285,94 @@ int arlan_command(struct net_device *dev, int command_p)
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)
- {
+ } 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)
- {
+ } 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_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)
- {
+ } else if (priv->waiting_command_mask & ARLAN_COMMAND_CONF_WAIT) {
if (READSHMB(arlan->configuredStatusFlag) != 0 &&
- READSHMB(arlan->diagnosticInfo) == 0xff)
- {
+ 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
- {
+ } 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))
- {
+ } 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->rx_command_given = 0; /* mnjah, bad */
priv->waiting_command_mask &= ~ARLAN_COMMAND_RX;
priv->card_polling_interval = 1;
- }
- else
+ } 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)) )
- {
+ } 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);
+ 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,
+ } 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)))
- {
+ 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]));
+ /* 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
- {
+ } else {
priv->tx_command_given = 0;
priv->card_polling_interval = 1;
}
- }
- else if (arlan_debug & ARLAN_DEBUG_CHAIN_LOCKS)
+ } 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)
- {
+ } 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)
- {
+ } 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)
- {
+ } 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)
- {
+ } 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);
@@ -478,10 +415,8 @@ 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)
- {
+ while (priv->waiting_command_mask && times < 8) {
+ if (priv->waiting_command_mask) {
if (arlan_command(dev, 0))
break;
times++;
@@ -500,24 +435,17 @@ static inline void arlan_retransmit_now(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_retransmit_now");
- if (TXLAST(dev).offset == 0)
- {
- if (TXHEAD(dev).offset)
- {
+ 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)
- {
+ } else if (TXTAIL(dev).offset) {
IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_DEBUG "TX buff switch to tail \n");
priv->txLast = 1;
- }
- else
+ } else
IFDEBUG(ARLAN_DEBUG_TX_CHAIN) printk(KERN_ERR "ReTransmit buff empty");
- netif_wake_queue (dev);
+ netif_wake_queue(dev);
return;
-
}
arlan_command(dev, ARLAN_COMMAND_TX);
@@ -540,78 +468,71 @@ static void arlan_registration_timer(unsigned long data)
long lostTime = ((long)jiffies - (long)priv->registrationLastSeen)
* (1000/HZ);
- if (registrationBad(dev))
- {
+ 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)
- {
+ if (lostTime > 7200) {
next_tick = HZ;
arlan_command(dev, ARLAN_COMMAND_CLEAN_AND_RESET);
}
- }
- else
- {
+ } else {
if (priv->Conf->registrationMode && lostTime > 10000 &&
- priv->registrationLostCount)
- {
+ 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) )
+ 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);
+ 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)
- {
+ 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)
- {
+ 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)
- {
+ if (TXLAST(dev).offset) {
arlan_retransmit_now(dev);
dev->trans_start = jiffies;
}
+
if (!(TXHEAD(dev).offset && TXTAIL(dev).offset))
- {
- netif_wake_queue (dev);
- }
+ netif_wake_queue(dev);
+
priv->tx_done_delayed = 0;
bh_mark_needed = 1;
}
+
if (bh_mark_needed)
- {
- netif_wake_queue (dev);
- }
+ netif_wake_queue(dev);
+
arlan_process_interrupt(dev);
if (next_tick < priv->card_polling_interval)
@@ -672,8 +593,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
tailStarts = 0x800 - (((TXTAIL(dev).offset - offsetof(struct arlan_shmem, txBuffer)) / 64) + 2) * 64;
- if (!TXHEAD(dev).offset && length < tailStarts)
- {
+ if (!TXHEAD(dev).offset && length < tailStarts) {
IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
printk(KERN_ERR "TXHEAD insert, tailStart %d\n", tailStarts);
@@ -687,9 +607,7 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
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))
- {
+ } else if (!TXTAIL(dev).offset && length < (0x800 - headEnds)) {
IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
printk(KERN_ERR "TXTAIL insert, headEnd %d\n", headEnds);
@@ -703,10 +621,8 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int length)
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);
+ } 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;
@@ -715,26 +631,23 @@ static int arlan_hw_tx(struct net_device *dev, char *buf, int 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))
- {
+ 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))
- {
+
+ 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);
+ 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,
@@ -817,11 +730,11 @@ static int arlan_hw_config(struct net_device *dev)
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->writeEEPROM) {
+ memset_io(arlan->commandParameter, conf->writeEEPROM, 1);
+ /* conf->writeEEPROM=0; */
}
+
if (conf->registrationMode && conf->registrationInterrupts)
memset_io(arlan->commandParameter + 3, 1, 1);
else
@@ -847,47 +760,46 @@ static int arlan_read_card_configuration(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_read_card_configuration");
- if (radioNodeId == radioNodeIdUNKNOWN)
- {
+
+ if (radioNodeId == radioNodeIdUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->radioNodeId, arlan->radioNodeId, u_short);
- }
- else
+ } else
conf->radioNodeId = radioNodeId;
-
- if (SID == SIDUNKNOWN)
- {
+
+ if (SID == SIDUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->SID, arlan->SID, u_int);
- }
- else conf->SID = SID;
-
- if (spreadingCode == spreadingCodeUNKNOWN)
- {
- READSHM(conf->spreadingCode, arlan->spreadingCode, u_char);
- }
- else
+ } else
+ conf->SID = SID;
+
+ if (spreadingCode == spreadingCodeUNKNOWN) {
+ /* multiline macro, cannot remove braces */
+ READSHM(conf->spreadingCode, arlan->spreadingCode, u_char);
+ } else
conf->spreadingCode = spreadingCode;
-
- if (channelSet == channelSetUNKNOWN)
- {
+
+ if (channelSet == channelSetUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->channelSet, arlan->channelSet, u_char);
- }
- else conf->channelSet = channelSet;
+ } else
+ conf->channelSet = channelSet;
- if (channelNumber == channelNumberUNKNOWN)
- {
+ if (channelNumber == channelNumberUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->channelNumber, arlan->channelNumber, u_char);
- }
- else conf->channelNumber = channelNumber;
-
+ } else
+ conf->channelNumber = channelNumber;
+
READSHM(conf->scramblingDisable, arlan->scramblingDisable, u_char);
READSHM(conf->txAttenuation, arlan->txAttenuation, u_char);
-
- if (systemId == systemIdUNKNOWN)
- {
+
+ if (systemId == systemIdUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->systemId, arlan->systemId, u_int);
- }
- else conf->systemId = systemId;
-
+ } 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);
@@ -895,18 +807,18 @@ static int arlan_read_card_configuration(struct net_device *dev)
READSHM(conf->priority, arlan->priority, u_char);
READSHM(conf->rootOrRepeater, arlan->rootOrRepeater, u_char);
- if (SID == SIDUNKNOWN)
- {
+ if (SID == SIDUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->SID, arlan->SID, u_int);
- }
- else conf->SID = SID;
-
- if (registrationMode == registrationModeUNKNOWN)
- {
+ } else
+ conf->SID = SID;
+
+ if (registrationMode == registrationModeUNKNOWN) {
+ /* multiline macro, cannot remove braces */
READSHM(conf->registrationMode, arlan->registrationMode, u_char);
- }
- else conf->registrationMode = registrationMode;
-
+ } 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);
@@ -921,16 +833,16 @@ static int arlan_read_card_configuration(struct net_device *dev)
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;
@@ -973,7 +885,7 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
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);
+ /* printk(KERN_WARNING "arlan: memory region %lx excluded from probing \n",paddr); */
return -ENODEV;
}
@@ -981,12 +893,12 @@ static int __init arlan_check_fingerprint(unsigned long memaddr)
tempBuf[30] = 0;
/* check for card at this address */
- if (0 != strncmp(tempBuf, probeText, 29)){
- release_mem_region(paddr, ARLAN_SHMEM_SIZE);
+ 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);
+ /* printk(KERN_INFO "arlan found at 0x%x \n",memaddr); */
ARLAN_DEBUG_EXIT("arlan_check_fingerprint");
return 0;
@@ -1054,7 +966,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
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];
@@ -1065,7 +977,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
err = register_netdev(dev);
if (err) {
- release_mem_region(virt_to_phys((void *) dev->mem_start),
+ release_mem_region(virt_to_phys((void *) dev->mem_start),
ARLAN_SHMEM_SIZE);
free_netdev(dev);
return err;
@@ -1075,7 +987,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
return 0;
}
-static int __init arlan_probe_here(struct net_device *dev,
+static int __init arlan_probe_here(struct net_device *dev,
unsigned long memaddr)
{
struct arlan_private *ap = netdev_priv(dev);
@@ -1085,15 +997,15 @@ static int __init arlan_probe_here(struct net_device *dev,
if (arlan_check_fingerprint(memaddr))
return -ENODEV;
- printk(KERN_NOTICE "%s: Arlan found at %llx, \n ", dev->name,
- (u64) virt_to_phys((void*)memaddr));
+ 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)
- {
+ if (dev->irq < 2) {
+ /* multiline macro, cannot remove braces */
READSHM(dev->irq, ap->card->irqLevel, u_char);
} else if (dev->irq == 2)
dev->irq = 9;
@@ -1114,14 +1026,12 @@ static int arlan_open(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_open");
ret = request_irq(dev->irq, &arlan_interrupt, 0, dev->name, dev);
- if (ret)
- {
+ 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;
@@ -1131,14 +1041,14 @@ static int arlan_open(struct net_device *dev)
priv->interrupt_processing_active = 0;
spin_lock_init(&priv->lock);
- netif_start_queue (dev);
+ 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;
@@ -1159,13 +1069,13 @@ static int arlan_open(struct net_device *dev)
}
-static void arlan_tx_timeout (struct net_device *dev)
+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);
+ /* dev->trans_start = jiffies; */
+ /* netif_start_queue (dev); */
}
@@ -1175,13 +1085,13 @@ static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
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);
+ netif_stop_queue(dev);
}
if (arlan_hw_tx(dev, buf, length) == -1)
@@ -1197,7 +1107,7 @@ static netdev_tx_t arlan_tx(struct sk_buff *skb, struct net_device *dev)
bad_end:
arlan_process_interrupt(dev);
- netif_stop_queue (dev);
+ netif_stop_queue(dev);
ARLAN_DEBUG_EXIT("arlan_tx");
return NETDEV_TX_BUSY;
}
@@ -1229,9 +1139,8 @@ static inline void arlan_queue_retransmit(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_queue_retransmit");
if (DoNotWaitReTransmitCrap(dev))
- {
- arlan_drop_tx(dev);
- } else
+ arlan_drop_tx(dev);
+ else
priv->ReTransmitRequested++;
ARLAN_DEBUG_EXIT("arlan_queue_retransmit");
@@ -1245,14 +1154,11 @@ static inline void RetryOrFail(struct net_device *dev)
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);
+ else
+ arlan_queue_retransmit(dev);
ARLAN_DEBUG_EXIT("RetryOrFail");
}
@@ -1266,131 +1172,126 @@ static void arlan_tx_done_interrupt(struct net_device *dev, int status)
priv->tx_last_cleared = jiffies;
priv->tx_command_given = 0;
- switch (status)
+ switch (status) {
+ case 1:
{
- 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);
- }
+ 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;
}
- }
- 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);
+ if (!TXHEAD(dev).offset || !TXTAIL(dev).offset)
+ netif_wake_queue(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;
+ }
+ 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 2:
+ {
+ IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+ printk("arlan intr: transmit timed out\n");
+ priv->bad += 1;
+ /* arlan_queue_retransmit(dev); */
+ RetryOrFail(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 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 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 4:
+ {
+ IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+ printk("arlan intr: transmit aborted\n");
+ priv->bad += 1;
+ arlan_queue_retransmit(dev);
+ /* RetryOrFail(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;
+ case 5:
+ {
+ IFDEBUG(ARLAN_DEBUG_TX_CHAIN)
+ printk("arlan intr: transmit not registered\n");
+ priv->bad += 1;
+ /* debug=101; */
+ 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);
- }
+ 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");
@@ -1408,134 +1309,126 @@ static void arlan_rx_interrupt(struct net_device *dev, u_char rxStatus, u_short
ARLAN_DEBUG_ENTRY("arlan_rx_interrupt");
- // by spec, not WRITESHMB(arlan->rxStatus,0x00);
- // prohibited here arlan_command(dev, ARLAN_COMMAND_RX);
+ /* by spec, not WRITESHMB(arlan->rxStatus,0x00); */
+ /* prohibited here arlan_command(dev, ARLAN_COMMAND_RX); */
- if (pkt_len < 10 || pkt_len > 2048)
- {
+ 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)
- {
+ 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))
- {
+ 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))
- {
+ 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)
+ switch (rxStatus) {
+ case 1:
+ case 2:
+ case 3:
{
- case 1:
- case 2:
- case 3:
- {
- /* Malloc up new buffer. */
- struct sk_buff *skb;
+ /* 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);
+ 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 */
+ /* here we do multicast filtering to avoid slow 8-bit memcopy */
#ifdef ARLAN_MULTICAST
- if (!(dev->flags & IFF_ALLMULTI) &&
- !(dev->flags & IFF_PROMISC) &&
- !netdev_mc_empty(dev))
- {
- char hw_dst_addr[6];
- struct dev_mc_list *dmi;
- 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);
- netdev_for_each_mc_entry(dmi, dev) {
- 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)
+ if (!(dev->flags & IFF_ALLMULTI) &&
+ !(dev->flags & IFF_PROMISC) &&
+ !netdev_mc_empty(dev)) {
+ char hw_dst_addr[6];
+ struct dev_mc_list *dmi;
+ 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);
+ netdev_for_each_mc_entry(dmi, dev) {
+ 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;
- }
- /* we reach here if multicast filtering is on and packet
- * is multicast and not for receive */
- goto end_of_interrupt;
+ if (i == 6)
+ break;
}
+ /* 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);
+ }
+#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);
+ 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;
+ 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;
-
- default:
- printk(KERN_ERR "arlan intr: received unknown status\n");
- dev->stats.rx_crc_errors++;
- break;
}
ARLAN_DEBUG_EXIT("arlan_rx_interrupt");
}
@@ -1552,30 +1445,26 @@ static void arlan_process_interrupt(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_process_interrupt");
- if (test_and_set_bit(0, (void *) &priv->interrupt_processing_active))
- {
+ 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))
- {
+ && (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 (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);
@@ -1587,35 +1476,35 @@ static void arlan_process_interrupt(struct net_device *dev)
priv->interrupt_ack_requested = 0;
goto ends;
}
- if (txStatus != 0)
- {
+
+ if (txStatus != 0) {
WRITESHMB(arlan->txStatus, 0x00);
arlan_tx_done_interrupt(dev, txStatus);
goto ends;
}
- if (rxStatus == 1 || rxStatus == 2)
- { /* a packet waiting */
+
+ if (rxStatus == 1 || rxStatus == 2) {
+ /* a packet waiting */
arlan_rx_interrupt(dev, rxStatus, rxOffset, pkt_len);
goto ends;
}
- if (rxStatus > 2 && rxStatus < 0xff)
- {
+
+ 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)
- {
+
+ if (rxStatus == 0xff) {
WRITESHMB(arlan->rxStatus, 0x00);
arlan_command(dev, ARLAN_COMMAND_RX);
if (registrationBad(dev))
netif_device_detach(dev);
- if (!registrationBad(dev))
- {
+ if (!registrationBad(dev)) {
priv->registrationLastSeen = jiffies;
if (!netif_queue_stopped(dev) && !priv->under_reset && !priv->under_config)
- netif_wake_queue (dev);
+ netif_wake_queue(dev);
}
goto ends;
}
@@ -1657,7 +1546,7 @@ static irqreturn_t arlan_interrupt(int irq, void *dev_id)
priv->interrupt_ack_requested++;
arlan_process_interrupt(dev);
-
+
priv->irq_test_done = 1;
ARLAN_DEBUG_EXIT("arlan_interrupt");
@@ -1687,7 +1576,7 @@ static int arlan_close(struct net_device *dev)
}
#ifdef ARLAN_DEBUGGING
-static long alignLong(volatile u_char * ptr)
+static long alignLong(volatile u_char *ptr)
{
long ret;
memcpy_fromio(&ret, (void *) ptr, 4);
@@ -1740,16 +1629,13 @@ static void arlan_set_multicast(struct net_device *dev)
ARLAN_DEBUG_ENTRY("arlan_set_multicast");
- if (dev->flags & IFF_PROMISC)
- {
+ 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
- {
+ } else {
/* turn off promiscuous mode */
unsigned char recMode;
READSHM(recMode, arlan->receiveMode, u_char);
@@ -1757,6 +1643,7 @@ static void arlan_set_multicast(struct net_device *dev)
if (conf->receiveMode != recMode)
board_conf_needed = 1;
}
+
if (board_conf_needed)
arlan_command(dev, ARLAN_COMMAND_CONF);
@@ -1775,7 +1662,7 @@ struct net_device * __init arlan_probe(int unit)
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.
*/
@@ -1787,23 +1674,20 @@ struct net_device * __init arlan_probe(int unit)
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);
+ 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;
}
}
@@ -1825,7 +1709,7 @@ struct net_device * __init arlan_probe(int unit)
return dev;
}
-#ifdef MODULE
+#ifdef MODULE
int __init init_module(void)
{
int i = 0;
@@ -1838,7 +1722,7 @@ int __init init_module(void)
for (i = 0; i < MAX_ARLANS; i++) {
struct net_device *dev = arlan_probe(i);
- if (IS_ERR(dev))
+ if (IS_ERR(dev))
return PTR_ERR(dev);
}
init_arlan_proc();
@@ -1860,14 +1744,13 @@ void __exit cleanup_module(void)
cleanup_arlan_proc();
- for (i = 0; i < MAX_ARLANS; i++)
- {
+ for (i = 0; i < MAX_ARLANS; i++) {
dev = arlan_device[i];
if (dev) {
- arlan_command(dev, ARLAN_COMMAND_POWERDOWN );
+ arlan_command(dev, ARLAN_COMMAND_POWERDOWN);
unregister_netdev(dev);
- release_mem_region(virt_to_phys((void *) dev->mem_start),
+ release_mem_region(virt_to_phys((void *) dev->mem_start),
ARLAN_SHMEM_SIZE);
free_netdev(dev);
arlan_device[i] = NULL;
--
1.6.3.3
_______________________________________________
devel mailing list
devel@xxxxxxxxxxxxxxxxxxxxxx
http://driverdev.linuxdriverproject.org/mailman/listinfo/devel
