struct mgsl_struct {
int magic;
- int flags;
- int count; /* count of opens */
+ struct tty_port port;
int line;
int hw_version;
- unsigned short close_delay;
- unsigned short closing_wait; /* time to wait before closing */
struct mgsl_icount icount;
- struct tty_struct *tty;
int timeout;
int x_char; /* xon/xoff character */
- int blocked_open; /* # of blocked opens */
u16 read_status_mask;
u16 ignore_status_mask;
unsigned char *xmit_buf;
int xmit_tail;
int xmit_cnt;
- wait_queue_head_t open_wait;
- wait_queue_head_t close_wait;
-
wait_queue_head_t status_event_wait_q;
wait_queue_head_t event_wait_q;
struct timer_list tx_timer; /* HDLC transmit timeout timer */
u32 pending_bh;
- int bh_running; /* Protection from multiple */
+ bool bh_running; /* Protection from multiple */
int isr_overflow;
- int bh_requested;
+ bool bh_requested;
int dcd_chkcount; /* check counts to prevent */
int cts_chkcount; /* too many IRQs if a signal */
int tx_holding_count; /* number of tx holding buffers waiting */
struct tx_holding_buffer tx_holding_buffers[MAX_TX_HOLDING_BUFFERS];
- int rx_enabled;
- int rx_overflow;
- int rx_rcc_underrun;
+ bool rx_enabled;
+ bool rx_overflow;
+ bool rx_rcc_underrun;
- int tx_enabled;
- int tx_active;
+ bool tx_enabled;
+ bool tx_active;
u32 idle_mode;
u16 cmr_value;
unsigned int io_base; /* base I/O address of adapter */
unsigned int io_addr_size; /* size of the I/O address range */
- int io_addr_requested; /* nonzero if I/O address requested */
+ bool io_addr_requested; /* true if I/O address requested */
unsigned int irq_level; /* interrupt level */
unsigned long irq_flags;
- int irq_requested; /* nonzero if IRQ requested */
+ bool irq_requested; /* true if IRQ requested */
unsigned int dma_level; /* DMA channel */
- int dma_requested; /* nonzero if dma channel requested */
+ bool dma_requested; /* true if dma channel requested */
u16 mbre_bit;
u16 loopback_bits;
unsigned char serial_signals; /* current serial signal states */
- int irq_occurred; /* for diagnostics use */
+ bool irq_occurred; /* for diagnostics use */
unsigned int init_error; /* Initialization startup error (DIAGS) */
int fDiagnosticsmode; /* Driver in Diagnostic mode? (DIAGS) */
u32 last_mem_alloc;
unsigned char* memory_base; /* shared memory address (PCI only) */
u32 phys_memory_base;
- int shared_mem_requested;
+ bool shared_mem_requested;
unsigned char* lcr_base; /* local config registers (PCI only) */
u32 phys_lcr_base;
u32 lcr_offset;
- int lcr_mem_requested;
+ bool lcr_mem_requested;
u32 misc_ctrl_value;
char flag_buf[MAX_ASYNC_BUFFER_SIZE];
char char_buf[MAX_ASYNC_BUFFER_SIZE];
- BOOLEAN drop_rts_on_tx_done;
+ bool drop_rts_on_tx_done;
- BOOLEAN loopmode_insert_requested;
- BOOLEAN loopmode_send_done_requested;
+ bool loopmode_insert_requested;
+ bool loopmode_send_done_requested;
struct _input_signal_events input_signal_events;
/*
* Adapter diagnostic routines
*/
-static BOOLEAN mgsl_register_test( struct mgsl_struct *info );
-static BOOLEAN mgsl_irq_test( struct mgsl_struct *info );
-static BOOLEAN mgsl_dma_test( struct mgsl_struct *info );
-static BOOLEAN mgsl_memory_test( struct mgsl_struct *info );
+static bool mgsl_register_test( struct mgsl_struct *info );
+static bool mgsl_irq_test( struct mgsl_struct *info );
+static bool mgsl_dma_test( struct mgsl_struct *info );
+static bool mgsl_memory_test( struct mgsl_struct *info );
static int mgsl_adapter_test( struct mgsl_struct *info );
/*
* DMA buffer manupulation functions.
*/
static void mgsl_free_rx_frame_buffers( struct mgsl_struct *info, unsigned int StartIndex, unsigned int EndIndex );
-static int mgsl_get_rx_frame( struct mgsl_struct *info );
-static int mgsl_get_raw_rx_frame( struct mgsl_struct *info );
+static bool mgsl_get_rx_frame( struct mgsl_struct *info );
+static bool mgsl_get_raw_rx_frame( struct mgsl_struct *info );
static void mgsl_reset_rx_dma_buffers( struct mgsl_struct *info );
static void mgsl_reset_tx_dma_buffers( struct mgsl_struct *info );
static int num_free_tx_dma_buffers(struct mgsl_struct *info);
static void mgsl_free_intermediate_rxbuffer_memory(struct mgsl_struct *info);
static int mgsl_alloc_intermediate_txbuffer_memory(struct mgsl_struct *info);
static void mgsl_free_intermediate_txbuffer_memory(struct mgsl_struct *info);
-static int load_next_tx_holding_buffer(struct mgsl_struct *info);
+static bool load_next_tx_holding_buffer(struct mgsl_struct *info);
static int save_tx_buffer_request(struct mgsl_struct *info,const char *Buffer, unsigned int BufferSize);
/*
static int mgsl_loopmode_send_done( struct mgsl_struct * info );
/* set non-zero on successful registration with PCI subsystem */
-static int pci_registered;
+static bool pci_registered;
/*
* Global linked list of SyncLink devices
return;
ld = tty_ldisc_ref(tty);
if (ld) {
- if (ld->receive_buf)
- ld->receive_buf(tty, data, flags, count);
+ if (ld->ops->receive_buf)
+ ld->ops->receive_buf(tty, data, flags, count);
tty_ldisc_deref(ld);
}
}
if (!rc) {
/* Mark BH routine as complete */
- info->bh_running = 0;
- info->bh_requested = 0;
+ info->bh_running = false;
+ info->bh_requested = false;
}
spin_unlock_irqrestore(&info->irq_spinlock,flags);
printk( "%s(%d):mgsl_bh_handler(%s) entry\n",
__FILE__,__LINE__,info->device_name);
- info->bh_running = 1;
+ info->bh_running = true;
while((action = mgsl_bh_action(info)) != 0) {
static void mgsl_bh_receive(struct mgsl_struct *info)
{
- int (*get_rx_frame)(struct mgsl_struct *info) =
+ bool (*get_rx_frame)(struct mgsl_struct *info) =
(info->params.mode == MGSL_MODE_HDLC ? mgsl_get_rx_frame : mgsl_get_raw_rx_frame);
if ( debug_level >= DEBUG_LEVEL_BH )
static void mgsl_bh_transmit(struct mgsl_struct *info)
{
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
unsigned long flags;
if ( debug_level >= DEBUG_LEVEL_BH )
usc_loopmode_active(info) )
{
++info->icount.rxabort;
- info->loopmode_insert_requested = FALSE;
+ info->loopmode_insert_requested = false;
/* clear CMR:13 to start echoing RxD to TxD */
info->cmr_value &= ~BIT13;
else
info->icount.txunder++;
- info->tx_active = 0;
+ info->tx_active = false;
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
del_timer(&info->tx_timer);
info->serial_signals &= ~SerialSignal_RTS;
usc_set_serial_signals( info );
}
- info->drop_rts_on_tx_done = 0;
+ info->drop_rts_on_tx_done = false;
}
#if SYNCLINK_GENERIC_HDLC
else
#endif
{
- if (info->tty->stopped || info->tty->hw_stopped) {
+ if (info->port.tty->stopped || info->port.tty->hw_stopped) {
usc_stop_transmitter(info);
return;
}
wake_up_interruptible(&info->status_event_wait_q);
wake_up_interruptible(&info->event_wait_q);
- if ( (info->flags & ASYNC_CHECK_CD) &&
+ if ( (info->port.flags & ASYNC_CHECK_CD) &&
(status & MISCSTATUS_DCD_LATCHED) ) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("%s CD now %s...", info->device_name,
(status & MISCSTATUS_DCD) ? "on" : "off");
if (status & MISCSTATUS_DCD)
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&info->port.open_wait);
else {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("doing serial hangup...");
- if (info->tty)
- tty_hangup(info->tty);
+ if (info->port.tty)
+ tty_hangup(info->port.tty);
}
}
- if ( (info->flags & ASYNC_CTS_FLOW) &&
+ if ( (info->port.flags & ASYNC_CTS_FLOW) &&
(status & MISCSTATUS_CTS_LATCHED) ) {
- if (info->tty->hw_stopped) {
+ if (info->port.tty->hw_stopped) {
if (status & MISCSTATUS_CTS) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("CTS tx start...");
- if (info->tty)
- info->tty->hw_stopped = 0;
+ if (info->port.tty)
+ info->port.tty->hw_stopped = 0;
usc_start_transmitter(info);
info->pending_bh |= BH_TRANSMIT;
return;
if (!(status & MISCSTATUS_CTS)) {
if ( debug_level >= DEBUG_LEVEL_ISR )
printk("CTS tx stop...");
- if (info->tty)
- info->tty->hw_stopped = 1;
+ if (info->port.tty)
+ info->port.tty->hw_stopped = 1;
usc_stop_transmitter(info);
}
}
usc_OutReg( info, SICR,
(unsigned short)(usc_InReg(info,SICR) & ~(SICR_TXC_ACTIVE+SICR_TXC_INACTIVE)) );
usc_UnlatchIostatusBits( info, MISCSTATUS_TXC_LATCHED );
- info->irq_occurred = 1;
+ info->irq_occurred = true;
}
} /* end of mgsl_isr_io_pin() */
usc_ClearIrqPendingBits( info, TRANSMIT_DATA );
- if (info->tty->stopped || info->tty->hw_stopped) {
+ if (info->port.tty->stopped || info->port.tty->hw_stopped) {
usc_stop_transmitter(info);
return;
}
if ( info->xmit_cnt )
usc_load_txfifo( info );
else
- info->tx_active = 0;
+ info->tx_active = false;
if (info->xmit_cnt < WAKEUP_CHARS)
info->pending_bh |= BH_TRANSMIT;
u16 status;
int work = 0;
unsigned char DataByte;
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
struct mgsl_icount *icount = &info->icount;
if ( debug_level >= DEBUG_LEVEL_ISR )
if (status & RXSTATUS_BREAK_RECEIVED) {
flag = TTY_BREAK;
- if (info->flags & ASYNC_SAK)
+ if (info->port.flags & ASYNC_SAK)
do_SAK(tty);
} else if (status & RXSTATUS_PARITY_ERROR)
flag = TTY_PARITY;
/* schedule BH handler to restart receiver */
info->pending_bh |= BH_RECEIVE;
- info->rx_rcc_underrun = 1;
+ info->rx_rcc_underrun = true;
}
usc_ClearIrqPendingBits( info, MISC );
info->pending_bh |= BH_RECEIVE;
if ( status & BIT3 ) {
- info->rx_overflow = 1;
+ info->rx_overflow = true;
info->icount.buf_overrun++;
}
printk("%s(%d):%s queueing bh task.\n",
__FILE__,__LINE__,info->device_name);
schedule_work(&info->task);
- info->bh_requested = 1;
+ info->bh_requested = true;
}
spin_unlock(&info->irq_spinlock);
if ( debug_level >= DEBUG_LEVEL_INFO )
printk("%s(%d):mgsl_startup(%s)\n",__FILE__,__LINE__,info->device_name);
- if (info->flags & ASYNC_INITIALIZED)
+ if (info->port.flags & ASYNC_INITIALIZED)
return 0;
if (!info->xmit_buf) {
retval = mgsl_adapter_test(info);
if ( retval ) {
- if (capable(CAP_SYS_ADMIN) && info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (capable(CAP_SYS_ADMIN) && info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
mgsl_release_resources(info);
return retval;
}
/* program hardware for current parameters */
mgsl_change_params(info);
- if (info->tty)
- clear_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (info->port.tty)
+ clear_bit(TTY_IO_ERROR, &info->port.tty->flags);
- info->flags |= ASYNC_INITIALIZED;
+ info->port.flags |= ASYNC_INITIALIZED;
return 0;
{
unsigned long flags;
- if (!(info->flags & ASYNC_INITIALIZED))
+ if (!(info->port.flags & ASYNC_INITIALIZED))
return;
if (debug_level >= DEBUG_LEVEL_INFO)
/* on the ISA adapter. This has no effect for the PCI adapter */
usc_OutReg(info, PCR, (u16)((usc_InReg(info, PCR) | BIT13) | BIT12));
- if (!info->tty || info->tty->termios->c_cflag & HUPCL) {
+ if (!info->port.tty || info->port.tty->termios->c_cflag & HUPCL) {
info->serial_signals &= ~(SerialSignal_DTR + SerialSignal_RTS);
usc_set_serial_signals(info);
}
mgsl_release_resources(info);
- if (info->tty)
- set_bit(TTY_IO_ERROR, &info->tty->flags);
+ if (info->port.tty)
+ set_bit(TTY_IO_ERROR, &info->port.tty->flags);
- info->flags &= ~ASYNC_INITIALIZED;
+ info->port.flags &= ~ASYNC_INITIALIZED;
} /* end of shutdown() */
usc_EnableInterrupts(info, IO_PIN);
usc_get_serial_signals(info);
- if (info->netcount || info->tty->termios->c_cflag & CREAD)
+ if (info->netcount || info->port.tty->termios->c_cflag & CREAD)
usc_start_receiver(info);
spin_unlock_irqrestore(&info->irq_spinlock,flags);
unsigned cflag;
int bits_per_char;
- if (!info->tty || !info->tty->termios)
+ if (!info->port.tty || !info->port.tty->termios)
return;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_change_params(%s)\n",
__FILE__,__LINE__, info->device_name );
- cflag = info->tty->termios->c_cflag;
+ cflag = info->port.tty->termios->c_cflag;
/* if B0 rate (hangup) specified then negate DTR and RTS */
/* otherwise assert DTR and RTS */
* current data rate.
*/
if (info->params.data_rate <= 460800)
- info->params.data_rate = tty_get_baud_rate(info->tty);
+ info->params.data_rate = tty_get_baud_rate(info->port.tty);
if ( info->params.data_rate ) {
info->timeout = (32*HZ*bits_per_char) /
info->timeout += HZ/50; /* Add .02 seconds of slop */
if (cflag & CRTSCTS)
- info->flags |= ASYNC_CTS_FLOW;
+ info->port.flags |= ASYNC_CTS_FLOW;
else
- info->flags &= ~ASYNC_CTS_FLOW;
+ info->port.flags &= ~ASYNC_CTS_FLOW;
if (cflag & CLOCAL)
- info->flags &= ~ASYNC_CHECK_CD;
+ info->port.flags &= ~ASYNC_CHECK_CD;
else
- info->flags |= ASYNC_CHECK_CD;
+ info->port.flags |= ASYNC_CHECK_CD;
/* process tty input control flags */
info->read_status_mask = RXSTATUS_OVERRUN;
- if (I_INPCK(info->tty))
+ if (I_INPCK(info->port.tty))
info->read_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR;
- if (I_BRKINT(info->tty) || I_PARMRK(info->tty))
+ if (I_BRKINT(info->port.tty) || I_PARMRK(info->port.tty))
info->read_status_mask |= RXSTATUS_BREAK_RECEIVED;
- if (I_IGNPAR(info->tty))
+ if (I_IGNPAR(info->port.tty))
info->ignore_status_mask |= RXSTATUS_PARITY_ERROR | RXSTATUS_FRAMING_ERROR;
- if (I_IGNBRK(info->tty)) {
+ if (I_IGNBRK(info->port.tty)) {
info->ignore_status_mask |= RXSTATUS_BREAK_RECEIVED;
/* If ignoring parity and break indicators, ignore
* overruns too. (For real raw support).
*/
- if (I_IGNPAR(info->tty))
+ if (I_IGNPAR(info->port.tty))
info->ignore_status_mask |= RXSTATUS_OVERRUN;
}
*
* Return Value: None
*/
-static void mgsl_put_char(struct tty_struct *tty, unsigned char ch)
+static int mgsl_put_char(struct tty_struct *tty, unsigned char ch)
{
- struct mgsl_struct *info = (struct mgsl_struct *)tty->driver_data;
+ struct mgsl_struct *info = tty->driver_data;
unsigned long flags;
+ int ret = 0;
- if ( debug_level >= DEBUG_LEVEL_INFO ) {
- printk( "%s(%d):mgsl_put_char(%d) on %s\n",
- __FILE__,__LINE__,ch,info->device_name);
+ if (debug_level >= DEBUG_LEVEL_INFO) {
+ printk(KERN_DEBUG "%s(%d):mgsl_put_char(%d) on %s\n",
+ __FILE__, __LINE__, ch, info->device_name);
}
if (mgsl_paranoia_check(info, tty->name, "mgsl_put_char"))
- return;
+ return 0;
if (!tty || !info->xmit_buf)
- return;
+ return 0;
- spin_lock_irqsave(&info->irq_spinlock,flags);
-
- if ( (info->params.mode == MGSL_MODE_ASYNC ) || !info->tx_active ) {
+ spin_lock_irqsave(&info->irq_spinlock, flags);
+ if ((info->params.mode == MGSL_MODE_ASYNC ) || !info->tx_active) {
if (info->xmit_cnt < SERIAL_XMIT_SIZE - 1) {
info->xmit_buf[info->xmit_head++] = ch;
info->xmit_head &= SERIAL_XMIT_SIZE-1;
info->xmit_cnt++;
+ ret = 1;
}
}
-
- spin_unlock_irqrestore(&info->irq_spinlock,flags);
+ spin_unlock_irqrestore(&info->irq_spinlock, flags);
+ return ret;
} /* end of mgsl_put_char() */
*
* Arguments: tty pointer to tty instance data
* break_state -1=set break condition, 0=clear
- * Return Value: None
+ * Return Value: error code
*/
-static void mgsl_break(struct tty_struct *tty, int break_state)
+static int mgsl_break(struct tty_struct *tty, int break_state)
{
struct mgsl_struct * info = (struct mgsl_struct *)tty->driver_data;
unsigned long flags;
__FILE__,__LINE__, info->device_name, break_state);
if (mgsl_paranoia_check(info, tty->name, "mgsl_break"))
- return;
+ return -EINVAL;
spin_lock_irqsave(&info->irq_spinlock,flags);
if (break_state == -1)
else
usc_OutReg(info,IOCR,(u16)(usc_InReg(info,IOCR) & ~BIT7));
spin_unlock_irqrestore(&info->irq_spinlock,flags);
+ return 0;
} /* end of mgsl_break() */
unsigned int cmd, unsigned long arg)
{
struct mgsl_struct * info = (struct mgsl_struct *)tty->driver_data;
+ int ret;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_ioctl %s cmd=%08X\n", __FILE__,__LINE__,
return -EIO;
}
- return mgsl_ioctl_common(info, cmd, arg);
+ lock_kernel();
+ ret = mgsl_ioctl_common(info, cmd, arg);
+ unlock_kernel();
+ return ret;
}
static int mgsl_ioctl_common(struct mgsl_struct *info, unsigned int cmd, unsigned long arg)
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_close(%s) entry, count=%d\n",
- __FILE__,__LINE__, info->device_name, info->count);
+ __FILE__,__LINE__, info->device_name, info->port.count);
- if (!info->count)
+ if (!info->port.count)
return;
if (tty_hung_up_p(filp))
goto cleanup;
- if ((tty->count == 1) && (info->count != 1)) {
+ if ((tty->count == 1) && (info->port.count != 1)) {
/*
* tty->count is 1 and the tty structure will be freed.
- * info->count should be one in this case.
+ * info->port.count should be one in this case.
* if it's not, correct it so that the port is shutdown.
*/
printk("mgsl_close: bad refcount; tty->count is 1, "
- "info->count is %d\n", info->count);
- info->count = 1;
+ "info->port.count is %d\n", info->port.count);
+ info->port.count = 1;
}
- info->count--;
+ info->port.count--;
/* if at least one open remaining, leave hardware active */
- if (info->count)
+ if (info->port.count)
goto cleanup;
- info->flags |= ASYNC_CLOSING;
+ info->port.flags |= ASYNC_CLOSING;
/* set tty->closing to notify line discipline to
* only process XON/XOFF characters. Only the N_TTY
/* wait for transmit data to clear all layers */
- if (info->closing_wait != ASYNC_CLOSING_WAIT_NONE) {
+ if (info->port.closing_wait != ASYNC_CLOSING_WAIT_NONE) {
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_close(%s) calling tty_wait_until_sent\n",
__FILE__,__LINE__, info->device_name );
- tty_wait_until_sent(tty, info->closing_wait);
+ tty_wait_until_sent(tty, info->port.closing_wait);
}
- if (info->flags & ASYNC_INITIALIZED)
+ if (info->port.flags & ASYNC_INITIALIZED)
mgsl_wait_until_sent(tty, info->timeout);
- if (tty->driver->flush_buffer)
- tty->driver->flush_buffer(tty);
+ mgsl_flush_buffer(tty);
tty_ldisc_flush(tty);
shutdown(info);
tty->closing = 0;
- info->tty = NULL;
+ info->port.tty = NULL;
- if (info->blocked_open) {
- if (info->close_delay) {
- msleep_interruptible(jiffies_to_msecs(info->close_delay));
+ if (info->port.blocked_open) {
+ if (info->port.close_delay) {
+ msleep_interruptible(jiffies_to_msecs(info->port.close_delay));
}
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&info->port.open_wait);
}
- info->flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
+ info->port.flags &= ~(ASYNC_NORMAL_ACTIVE|ASYNC_CLOSING);
- wake_up_interruptible(&info->close_wait);
+ wake_up_interruptible(&info->port.close_wait);
cleanup:
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_close(%s) exit, count=%d\n", __FILE__,__LINE__,
- tty->driver->name, info->count);
+ tty->driver->name, info->port.count);
} /* end of mgsl_close() */
if (mgsl_paranoia_check(info, tty->name, "mgsl_wait_until_sent"))
return;
- if (!(info->flags & ASYNC_INITIALIZED))
+ if (!(info->port.flags & ASYNC_INITIALIZED))
goto exit;
orig_jiffies = jiffies;
* interval should also be less than the timeout.
* Note: use tight timings here to satisfy the NIST-PCTS.
*/
-
+
+ lock_kernel();
if ( info->params.data_rate ) {
char_time = info->timeout/(32 * 5);
if (!char_time)
break;
}
}
+ unlock_kernel();
exit:
if (debug_level >= DEBUG_LEVEL_INFO)
mgsl_flush_buffer(tty);
shutdown(info);
- info->count = 0;
- info->flags &= ~ASYNC_NORMAL_ACTIVE;
- info->tty = NULL;
+ info->port.count = 0;
+ info->port.flags &= ~ASYNC_NORMAL_ACTIVE;
+ info->port.tty = NULL;
- wake_up_interruptible(&info->open_wait);
+ wake_up_interruptible(&info->port.open_wait);
} /* end of mgsl_hangup() */
{
DECLARE_WAITQUEUE(wait, current);
int retval;
- int do_clocal = 0, extra_count = 0;
+ bool do_clocal = false;
+ bool extra_count = false;
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){
/* nonblock mode is set or port is not enabled */
- info->flags |= ASYNC_NORMAL_ACTIVE;
+ info->port.flags |= ASYNC_NORMAL_ACTIVE;
return 0;
}
if (tty->termios->c_cflag & CLOCAL)
- do_clocal = 1;
+ do_clocal = true;
/* Wait for carrier detect and the line to become
* free (i.e., not in use by the callout). While we are in
- * this loop, info->count is dropped by one, so that
+ * this loop, info->port.count is dropped by one, so that
* mgsl_close() knows when to free things. We restore it upon
* exit, either normal or abnormal.
*/
retval = 0;
- add_wait_queue(&info->open_wait, &wait);
+ add_wait_queue(&info->port.open_wait, &wait);
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):block_til_ready before block on %s count=%d\n",
- __FILE__,__LINE__, tty->driver->name, info->count );
+ __FILE__,__LINE__, tty->driver->name, info->port.count );
spin_lock_irqsave(&info->irq_spinlock, flags);
if (!tty_hung_up_p(filp)) {
- extra_count = 1;
- info->count--;
+ extra_count = true;
+ info->port.count--;
}
spin_unlock_irqrestore(&info->irq_spinlock, flags);
- info->blocked_open++;
+ info->port.blocked_open++;
while (1) {
if (tty->termios->c_cflag & CBAUD) {
set_current_state(TASK_INTERRUPTIBLE);
- if (tty_hung_up_p(filp) || !(info->flags & ASYNC_INITIALIZED)){
- retval = (info->flags & ASYNC_HUP_NOTIFY) ?
+ if (tty_hung_up_p(filp) || !(info->port.flags & ASYNC_INITIALIZED)){
+ retval = (info->port.flags & ASYNC_HUP_NOTIFY) ?
-EAGAIN : -ERESTARTSYS;
break;
}
usc_get_serial_signals(info);
spin_unlock_irqrestore(&info->irq_spinlock,flags);
- if (!(info->flags & ASYNC_CLOSING) &&
+ if (!(info->port.flags & ASYNC_CLOSING) &&
(do_clocal || (info->serial_signals & SerialSignal_DCD)) ) {
break;
}
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):block_til_ready blocking on %s count=%d\n",
- __FILE__,__LINE__, tty->driver->name, info->count );
+ __FILE__,__LINE__, tty->driver->name, info->port.count );
schedule();
}
set_current_state(TASK_RUNNING);
- remove_wait_queue(&info->open_wait, &wait);
+ remove_wait_queue(&info->port.open_wait, &wait);
if (extra_count)
- info->count++;
- info->blocked_open--;
+ info->port.count++;
+ info->port.blocked_open--;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):block_til_ready after blocking on %s count=%d\n",
- __FILE__,__LINE__, tty->driver->name, info->count );
+ __FILE__,__LINE__, tty->driver->name, info->port.count );
if (!retval)
- info->flags |= ASYNC_NORMAL_ACTIVE;
+ info->port.flags |= ASYNC_NORMAL_ACTIVE;
return retval;
return -ENODEV;
tty->driver_data = info;
- info->tty = tty;
+ info->port.tty = tty;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("%s(%d):mgsl_open(%s), old ref count = %d\n",
- __FILE__,__LINE__,tty->driver->name, info->count);
+ __FILE__,__LINE__,tty->driver->name, info->port.count);
/* If port is closing, signal caller to try again */
- if (tty_hung_up_p(filp) || info->flags & ASYNC_CLOSING){
- if (info->flags & ASYNC_CLOSING)
- interruptible_sleep_on(&info->close_wait);
- retval = ((info->flags & ASYNC_HUP_NOTIFY) ?
+ if (tty_hung_up_p(filp) || info->port.flags & ASYNC_CLOSING){
+ if (info->port.flags & ASYNC_CLOSING)
+ interruptible_sleep_on(&info->port.close_wait);
+ retval = ((info->port.flags & ASYNC_HUP_NOTIFY) ?
-EAGAIN : -ERESTARTSYS);
goto cleanup;
}
- info->tty->low_latency = (info->flags & ASYNC_LOW_LATENCY) ? 1 : 0;
+ info->port.tty->low_latency = (info->port.flags & ASYNC_LOW_LATENCY) ? 1 : 0;
spin_lock_irqsave(&info->netlock, flags);
if (info->netcount) {
spin_unlock_irqrestore(&info->netlock, flags);
goto cleanup;
}
- info->count++;
+ info->port.count++;
spin_unlock_irqrestore(&info->netlock, flags);
- if (info->count == 1) {
+ if (info->port.count == 1) {
/* 1st open on this device, init hardware */
retval = startup(info);
if (retval < 0)
cleanup:
if (retval) {
if (tty->count == 1)
- info->tty = NULL; /* tty layer will release tty struct */
- if(info->count)
- info->count--;
+ info->port.tty = NULL; /* tty layer will release tty struct */
+ if(info->port.count)
+ info->port.count--;
}
return retval;
*
* info pointer to device instance data
*
- * Return Value: 1 if next buffered tx request loaded
+ * Return Value: true if next buffered tx request loaded
* into adapter's tx dma buffer,
- * 0 otherwise
+ * false otherwise
*/
-static int load_next_tx_holding_buffer(struct mgsl_struct *info)
+static bool load_next_tx_holding_buffer(struct mgsl_struct *info)
{
- int ret = 0;
+ bool ret = false;
if ( info->tx_holding_count ) {
/* determine if we have enough tx dma buffers
/* restart transmit timer */
mod_timer(&info->tx_timer, jiffies + msecs_to_jiffies(5000));
- ret = 1;
+ ret = true;
}
}
__FILE__,__LINE__,info->device_name, info->io_base);
return -ENODEV;
}
- info->io_addr_requested = 1;
+ info->io_addr_requested = true;
if ( request_irq(info->irq_level,mgsl_interrupt,info->irq_flags,
info->device_name, info ) < 0 ) {
__FILE__,__LINE__,info->device_name, info->irq_level );
goto errout;
}
- info->irq_requested = 1;
+ info->irq_requested = true;
if ( info->bus_type == MGSL_BUS_TYPE_PCI ) {
if (request_mem_region(info->phys_memory_base,0x40000,"synclink") == NULL) {
__FILE__,__LINE__,info->device_name, info->phys_memory_base);
goto errout;
}
- info->shared_mem_requested = 1;
+ info->shared_mem_requested = true;
if (request_mem_region(info->phys_lcr_base + info->lcr_offset,128,"synclink") == NULL) {
printk( "%s(%d):lcr mem addr conflict device %s Addr=%08X\n",
__FILE__,__LINE__,info->device_name, info->phys_lcr_base + info->lcr_offset);
goto errout;
}
- info->lcr_mem_requested = 1;
+ info->lcr_mem_requested = true;
- info->memory_base = ioremap(info->phys_memory_base,0x40000);
+ info->memory_base = ioremap_nocache(info->phys_memory_base,
+ 0x40000);
if (!info->memory_base) {
printk( "%s(%d):Cant map shared memory on device %s MemAddr=%08X\n",
__FILE__,__LINE__,info->device_name, info->phys_memory_base );
goto errout;
}
- info->lcr_base = ioremap(info->phys_lcr_base,PAGE_SIZE) + info->lcr_offset;
+ info->lcr_base = ioremap_nocache(info->phys_lcr_base,
+ PAGE_SIZE);
if (!info->lcr_base) {
printk( "%s(%d):Cant map LCR memory on device %s MemAddr=%08X\n",
__FILE__,__LINE__,info->device_name, info->phys_lcr_base );
goto errout;
}
+ info->lcr_base += info->lcr_offset;
} else {
/* claim DMA channel */
mgsl_release_resources( info );
return -ENODEV;
}
- info->dma_requested = 1;
+ info->dma_requested = true;
/* ISA adapter uses bus master DMA */
set_dma_mode(info->dma_level,DMA_MODE_CASCADE);
if ( info->irq_requested ) {
free_irq(info->irq_level, info);
- info->irq_requested = 0;
+ info->irq_requested = false;
}
if ( info->dma_requested ) {
disable_dma(info->dma_level);
free_dma(info->dma_level);
- info->dma_requested = 0;
+ info->dma_requested = false;
}
mgsl_free_dma_buffers(info);
mgsl_free_intermediate_rxbuffer_memory(info);
if ( info->io_addr_requested ) {
release_region(info->io_base,info->io_addr_size);
- info->io_addr_requested = 0;
+ info->io_addr_requested = false;
}
if ( info->shared_mem_requested ) {
release_mem_region(info->phys_memory_base,0x40000);
- info->shared_mem_requested = 0;
+ info->shared_mem_requested = false;
}
if ( info->lcr_mem_requested ) {
release_mem_region(info->phys_lcr_base + info->lcr_offset,128);
- info->lcr_mem_requested = 0;
+ info->lcr_mem_requested = false;
}
if (info->memory_base){
iounmap(info->memory_base);
if (!info) {
printk("Error can't allocate device instance data\n");
} else {
+ tty_port_init(&info->port);
info->magic = MGSL_MAGIC;
INIT_WORK(&info->task, mgsl_bh_handler);
info->max_frame_size = 4096;
- info->close_delay = 5*HZ/10;
- info->closing_wait = 30*HZ;
- init_waitqueue_head(&info->open_wait);
- init_waitqueue_head(&info->close_wait);
+ info->port.close_delay = 5*HZ/10;
+ info->port.closing_wait = 30*HZ;
init_waitqueue_head(&info->status_event_wait_q);
init_waitqueue_head(&info->event_wait_q);
spin_lock_init(&info->irq_spinlock);
if ((rc = pci_register_driver(&synclink_pci_driver)) < 0)
printk("%s:failed to register PCI driver, error=%d\n",__FILE__,rc);
else
- pci_registered = 1;
+ pci_registered = true;
if ((rc = mgsl_init_tty()) < 0)
goto error;
static void usc_set_sdlc_mode( struct mgsl_struct *info )
{
u16 RegValue;
- int PreSL1660;
+ bool PreSL1660;
/*
* determine if the IUSC on the adapter is pre-SL1660. If
*/
usc_OutReg(info,TMCR,0x1f);
RegValue=usc_InReg(info,TMDR);
- if ( RegValue == IUSC_PRE_SL1660 )
- PreSL1660 = 1;
- else
- PreSL1660 = 0;
-
+ PreSL1660 = (RegValue == IUSC_PRE_SL1660);
if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )
{
int start_index;
int end_index;
int frame_start_index;
- int start_of_frame_found = FALSE;
- int end_of_frame_found = FALSE;
- int reprogram_dma = FALSE;
+ bool start_of_frame_found = false;
+ bool end_of_frame_found = false;
+ bool reprogram_dma = false;
DMABUFFERENTRY *buffer_list = info->rx_buffer_list;
u32 phys_addr;
if ( !start_of_frame_found )
{
- start_of_frame_found = TRUE;
+ start_of_frame_found = true;
frame_start_index = end_index;
- end_of_frame_found = FALSE;
+ end_of_frame_found = false;
}
if ( buffer_list[end_index].status )
/* We want to leave the buffers for this frame intact. */
/* Move on to next possible frame. */
- start_of_frame_found = FALSE;
- end_of_frame_found = TRUE;
+ start_of_frame_found = false;
+ end_of_frame_found = true;
}
/* advance to next buffer entry in linked list */
/* completely screwed, reset all receive buffers! */
mgsl_reset_rx_dma_buffers( info );
frame_start_index = 0;
- start_of_frame_found = FALSE;
- reprogram_dma = TRUE;
+ start_of_frame_found = false;
+ reprogram_dma = true;
break;
}
}
} while( start_index != end_index );
- reprogram_dma = TRUE;
+ reprogram_dma = true;
}
if ( reprogram_dma )
usc_OutReg( info, CCSR, (u16)(usc_InReg(info,CCSR) | BIT13) );
usc_RTCmd( info, RTCmd_PurgeRxFifo );
- info->rx_enabled = 0;
- info->rx_overflow = 0;
- info->rx_rcc_underrun = 0;
+ info->rx_enabled = false;
+ info->rx_overflow = false;
+ info->rx_rcc_underrun = false;
} /* end of stop_receiver() */
usc_OutReg( info, CCSR, 0x1020 );
- info->rx_enabled = 1;
+ info->rx_enabled = true;
} /* end of usc_start_receiver() */
/* RTS and set a flag indicating that the driver should */
/* negate RTS when the transmission completes. */
- info->drop_rts_on_tx_done = 0;
+ info->drop_rts_on_tx_done = false;
if ( info->params.flags & HDLC_FLAG_AUTO_RTS ) {
usc_get_serial_signals( info );
if ( !(info->serial_signals & SerialSignal_RTS) ) {
info->serial_signals |= SerialSignal_RTS;
usc_set_serial_signals( info );
- info->drop_rts_on_tx_done = 1;
+ info->drop_rts_on_tx_done = true;
}
}
mod_timer(&info->tx_timer, jiffies +
msecs_to_jiffies(5000));
}
- info->tx_active = 1;
+ info->tx_active = true;
}
if ( !info->tx_enabled ) {
- info->tx_enabled = 1;
+ info->tx_enabled = true;
if ( info->params.flags & HDLC_FLAG_AUTO_CTS )
usc_EnableTransmitter(info,ENABLE_AUTO_CTS);
else
usc_DmaCmd( info, DmaCmd_ResetTxChannel );
usc_RTCmd( info, RTCmd_PurgeTxFifo );
- info->tx_enabled = 0;
- info->tx_active = 0;
+ info->tx_enabled = false;
+ info->tx_active = false;
} /* end of usc_stop_transmitter() */
*/
static void mgsl_free_rx_frame_buffers( struct mgsl_struct *info, unsigned int StartIndex, unsigned int EndIndex )
{
- int Done = 0;
+ bool Done = false;
DMABUFFERENTRY *pBufEntry;
unsigned int Index;
if ( Index == EndIndex ) {
/* This is the last buffer of the frame! */
- Done = 1;
+ Done = true;
}
/* reset current buffer for reuse */
* receive DMA buffers. Only frames received without errors are returned.
*
* Arguments: info pointer to device extension
- * Return Value: 1 if frame returned, otherwise 0
+ * Return Value: true if frame returned, otherwise false
*/
-static int mgsl_get_rx_frame(struct mgsl_struct *info)
+static bool mgsl_get_rx_frame(struct mgsl_struct *info)
{
unsigned int StartIndex, EndIndex; /* index of 1st and last buffers of Rx frame */
unsigned short status;
DMABUFFERENTRY *pBufEntry;
unsigned int framesize = 0;
- int ReturnCode = 0;
+ bool ReturnCode = false;
unsigned long flags;
- struct tty_struct *tty = info->tty;
- int return_frame = 0;
+ struct tty_struct *tty = info->port.tty;
+ bool return_frame = false;
/*
* current_rx_buffer points to the 1st buffer of the next available
else {
info->icount.rxcrc++;
if ( info->params.crc_type & HDLC_CRC_RETURN_EX )
- return_frame = 1;
+ return_frame = true;
}
framesize = 0;
#if SYNCLINK_GENERIC_HDLC
{
- struct net_device_stats *stats = hdlc_stats(info->netdev);
- stats->rx_errors++;
- stats->rx_frame_errors++;
+ info->netdev->stats.rx_errors++;
+ info->netdev->stats.rx_frame_errors++;
}
#endif
} else
- return_frame = 1;
+ return_frame = true;
if ( return_frame ) {
/* receive frame has no errors, get frame size.
/* Free the buffers used by this frame. */
mgsl_free_rx_frame_buffers( info, StartIndex, EndIndex );
- ReturnCode = 1;
+ ReturnCode = true;
Cleanup:
* last Rx DMA buffer and return that last portion of the frame.
*
* Arguments: info pointer to device extension
- * Return Value: 1 if frame returned, otherwise 0
+ * Return Value: true if frame returned, otherwise false
*/
-static int mgsl_get_raw_rx_frame(struct mgsl_struct *info)
+static bool mgsl_get_raw_rx_frame(struct mgsl_struct *info)
{
unsigned int CurrentIndex, NextIndex;
unsigned short status;
DMABUFFERENTRY *pBufEntry;
unsigned int framesize = 0;
- int ReturnCode = 0;
+ bool ReturnCode = false;
unsigned long flags;
- struct tty_struct *tty = info->tty;
+ struct tty_struct *tty = info->port.tty;
/*
* current_rx_buffer points to the 1st buffer of the next available
/* Free the buffers used by this frame. */
mgsl_free_rx_frame_buffers( info, CurrentIndex, CurrentIndex );
- ReturnCode = 1;
+ ReturnCode = true;
}
* Performs a register test of the 16C32.
*
* Arguments: info pointer to device instance data
- * Return Value: TRUE if test passed, otherwise FALSE
+ * Return Value: true if test passed, otherwise false
*/
-static BOOLEAN mgsl_register_test( struct mgsl_struct *info )
+static bool mgsl_register_test( struct mgsl_struct *info )
{
static unsigned short BitPatterns[] =
{ 0x0000, 0xffff, 0xaaaa, 0x5555, 0x1234, 0x6969, 0x9696, 0x0f0f };
static unsigned int Patterncount = ARRAY_SIZE(BitPatterns);
unsigned int i;
- BOOLEAN rc = TRUE;
+ bool rc = true;
unsigned long flags;
spin_lock_irqsave(&info->irq_spinlock,flags);
if ( (usc_InReg( info, SICR ) != 0) ||
(usc_InReg( info, IVR ) != 0) ||
(usc_InDmaReg( info, DIVR ) != 0) ){
- rc = FALSE;
+ rc = false;
}
- if ( rc == TRUE ){
+ if ( rc ){
/* Write bit patterns to various registers but do it out of */
/* sync, then read back and verify values. */
(usc_InReg( info, RCLR ) != BitPatterns[(i+3)%Patterncount]) ||
(usc_InReg( info, RSR ) != BitPatterns[(i+4)%Patterncount]) ||
(usc_InDmaReg( info, TBCR ) != BitPatterns[(i+5)%Patterncount]) ){
- rc = FALSE;
+ rc = false;
break;
}
}
/* mgsl_irq_test() Perform interrupt test of the 16C32.
*
* Arguments: info pointer to device instance data
- * Return Value: TRUE if test passed, otherwise FALSE
+ * Return Value: true if test passed, otherwise false
*/
-static BOOLEAN mgsl_irq_test( struct mgsl_struct *info )
+static bool mgsl_irq_test( struct mgsl_struct *info )
{
unsigned long EndTime;
unsigned long flags;
/*
* Setup 16C32 to interrupt on TxC pin (14MHz clock) transition.
- * The ISR sets irq_occurred to 1.
+ * The ISR sets irq_occurred to true.
*/
- info->irq_occurred = FALSE;
+ info->irq_occurred = false;
/* Enable INTEN gate for ISA adapter (Port 6, Bit12) */
/* Enable INTEN (Port 6, Bit12) */
usc_reset(info);
spin_unlock_irqrestore(&info->irq_spinlock,flags);
- if ( !info->irq_occurred )
- return FALSE;
- else
- return TRUE;
+ return info->irq_occurred;
} /* end of mgsl_irq_test() */
* using single buffer DMA mode.
*
* Arguments: info pointer to device instance data
- * Return Value: TRUE if test passed, otherwise FALSE
+ * Return Value: true if test passed, otherwise false
*/
-static BOOLEAN mgsl_dma_test( struct mgsl_struct *info )
+static bool mgsl_dma_test( struct mgsl_struct *info )
{
unsigned short FifoLevel;
unsigned long phys_addr;
unsigned int FrameSize;
unsigned int i;
char *TmpPtr;
- BOOLEAN rc = TRUE;
+ bool rc = true;
unsigned short status=0;
unsigned long EndTime;
unsigned long flags;
for(;;) {
if (time_after(jiffies, EndTime)) {
- rc = FALSE;
+ rc = false;
break;
}
for(;;) {
if (time_after(jiffies, EndTime)) {
- rc = FALSE;
+ rc = false;
break;
}
}
- if ( rc == TRUE )
+ if ( rc )
{
/* Enable 16C32 transmitter. */
while ( !(status & (BIT6+BIT5+BIT4+BIT2+BIT1)) ) {
if (time_after(jiffies, EndTime)) {
- rc = FALSE;
+ rc = false;
break;
}
}
- if ( rc == TRUE ){
+ if ( rc ){
/* CHECK FOR TRANSMIT ERRORS */
if ( status & (BIT5 + BIT1) )
- rc = FALSE;
+ rc = false;
}
- if ( rc == TRUE ) {
+ if ( rc ) {
/* WAIT FOR RECEIVE COMPLETE */
/* Wait 100ms */
status=info->rx_buffer_list[0].status;
while ( status == 0 ) {
if (time_after(jiffies, EndTime)) {
- rc = FALSE;
+ rc = false;
break;
}
status=info->rx_buffer_list[0].status;
}
- if ( rc == TRUE ) {
+ if ( rc ) {
/* CHECK FOR RECEIVE ERRORS */
status = info->rx_buffer_list[0].status;
if ( status & (BIT8 + BIT3 + BIT1) ) {
/* receive error has occurred */
- rc = FALSE;
+ rc = false;
} else {
if ( memcmp( info->tx_buffer_list[0].virt_addr ,
info->rx_buffer_list[0].virt_addr, FrameSize ) ){
- rc = FALSE;
+ rc = false;
}
}
}
* Test the shared memory on a PCI adapter.
*
* Arguments: info pointer to device instance data
- * Return Value: TRUE if test passed, otherwise FALSE
+ * Return Value: true if test passed, otherwise false
*/
-static BOOLEAN mgsl_memory_test( struct mgsl_struct *info )
+static bool mgsl_memory_test( struct mgsl_struct *info )
{
static unsigned long BitPatterns[] =
{ 0x0, 0x55555555, 0xaaaaaaaa, 0x66666666, 0x99999999, 0xffffffff, 0x12345678 };
unsigned long * TestAddr;
if ( info->bus_type != MGSL_BUS_TYPE_PCI )
- return TRUE;
+ return true;
TestAddr = (unsigned long *)info->memory_base;
for ( i = 0 ; i < Patterncount ; i++ ) {
*TestAddr = BitPatterns[i];
if ( *TestAddr != BitPatterns[i] )
- return FALSE;
+ return false;
}
/* Test address lines with incrementing pattern over */
for ( i = 0 ; i < TestLimit ; i++ ) {
if ( *TestAddr != i * 4 )
- return FALSE;
+ return false;
TestAddr++;
}
memset( info->memory_base, 0, SHARED_MEM_ADDRESS_SIZE );
- return TRUE;
+ return true;
} /* End Of mgsl_memory_test() */
info->icount.txtimeout++;
}
spin_lock_irqsave(&info->irq_spinlock,flags);
- info->tx_active = 0;
+ info->tx_active = false;
info->xmit_cnt = info->xmit_head = info->xmit_tail = 0;
if ( info->params.flags & HDLC_FLAG_HDLC_LOOPMODE )
spin_lock_irqsave(&info->irq_spinlock,flags);
if (info->params.flags & HDLC_FLAG_HDLC_LOOPMODE) {
if (info->tx_active)
- info->loopmode_send_done_requested = TRUE;
+ info->loopmode_send_done_requested = true;
else
usc_loopmode_send_done(info);
}
*/
static void usc_loopmode_send_done( struct mgsl_struct * info )
{
- info->loopmode_send_done_requested = FALSE;
+ info->loopmode_send_done_requested = false;
/* clear CMR:13 to 0 to start echoing RxData to TxData */
info->cmr_value &= ~BIT13;
usc_OutReg(info, CMR, info->cmr_value);
*/
static void usc_loopmode_insert_request( struct mgsl_struct * info )
{
- info->loopmode_insert_requested = TRUE;
+ info->loopmode_insert_requested = true;
/* enable RxAbort irq. On next RxAbort, clear CMR:13 to
* begin repeating TxData on RxData (complete insertion)
unsigned short new_crctype;
/* return error if TTY interface open */
- if (info->count)
+ if (info->port.count)
return -EBUSY;
switch (encoding)
static int hdlcdev_xmit(struct sk_buff *skb, struct net_device *dev)
{
struct mgsl_struct *info = dev_to_port(dev);
- struct net_device_stats *stats = hdlc_stats(dev);
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
mgsl_load_tx_dma_buffer(info, skb->data, skb->len);
/* update network statistics */
- stats->tx_packets++;
- stats->tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
/* done with socket buffer, so free it */
dev_kfree_skb(skb);
/* arbitrate between network and tty opens */
spin_lock_irqsave(&info->netlock, flags);
- if (info->count != 0 || info->netcount != 0) {
+ if (info->port.count != 0 || info->netcount != 0) {
printk(KERN_WARNING "%s: hdlc_open returning busy\n", dev->name);
spin_unlock_irqrestore(&info->netlock, flags);
return -EBUSY;
printk("%s:hdlcdev_ioctl(%s)\n",__FILE__,dev->name);
/* return error if TTY interface open */
- if (info->count)
+ if (info->port.count)
return -EBUSY;
if (cmd != SIOCWANDEV)
static void hdlcdev_tx_timeout(struct net_device *dev)
{
struct mgsl_struct *info = dev_to_port(dev);
- struct net_device_stats *stats = hdlc_stats(dev);
unsigned long flags;
if (debug_level >= DEBUG_LEVEL_INFO)
printk("hdlcdev_tx_timeout(%s)\n",dev->name);
- stats->tx_errors++;
- stats->tx_aborted_errors++;
+ dev->stats.tx_errors++;
+ dev->stats.tx_aborted_errors++;
spin_lock_irqsave(&info->irq_spinlock,flags);
usc_stop_transmitter(info);
{
struct sk_buff *skb = dev_alloc_skb(size);
struct net_device *dev = info->netdev;
- struct net_device_stats *stats = hdlc_stats(dev);
if (debug_level >= DEBUG_LEVEL_INFO)
- printk("hdlcdev_rx(%s)\n",dev->name);
+ printk("hdlcdev_rx(%s)\n", dev->name);
if (skb == NULL) {
- printk(KERN_NOTICE "%s: can't alloc skb, dropping packet\n", dev->name);
- stats->rx_dropped++;
+ printk(KERN_NOTICE "%s: can't alloc skb, dropping packet\n",
+ dev->name);
+ dev->stats.rx_dropped++;
return;
}
- memcpy(skb_put(skb, size),buf,size);
+ memcpy(skb_put(skb, size), buf, size);
- skb->protocol = hdlc_type_trans(skb, info->netdev);
+ skb->protocol = hdlc_type_trans(skb, dev);
- stats->rx_packets++;
- stats->rx_bytes += size;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += size;
netif_rx(skb);
- info->netdev->last_rx = jiffies;
+ dev->last_rx = jiffies;
}
/**