diff options
Diffstat (limited to 'net/irda/ircomm/ircomm_tty.c')
| -rw-r--r-- | net/irda/ircomm/ircomm_tty.c | 288 |
1 files changed, 144 insertions, 144 deletions
diff --git a/net/irda/ircomm/ircomm_tty.c b/net/irda/ircomm/ircomm_tty.c index 262bda808d96..3d241e415a2a 100644 --- a/net/irda/ircomm/ircomm_tty.c +++ b/net/irda/ircomm/ircomm_tty.c @@ -1,5 +1,5 @@ /********************************************************************* - * + * * Filename: ircomm_tty.c * Version: 1.0 * Description: IrCOMM serial TTY driver @@ -9,25 +9,25 @@ * Modified at: Wed Feb 23 00:09:02 2000 * Modified by: Dag Brattli <dagb@cs.uit.no> * Sources: serial.c and previous IrCOMM work by Takahide Higuchi - * + * * Copyright (c) 1999-2000 Dag Brattli, All Rights Reserved. * Copyright (c) 2000-2003 Jean Tourrilhes <jt@hpl.hp.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. - * + * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA - * + * ********************************************************************/ #include <linux/init.h> @@ -69,7 +69,7 @@ static int ircomm_tty_data_indication(void *instance, void *sap, struct sk_buff *skb); static int ircomm_tty_control_indication(void *instance, void *sap, struct sk_buff *skb); -static void ircomm_tty_flow_indication(void *instance, void *sap, +static void ircomm_tty_flow_indication(void *instance, void *sap, LOCAL_FLOW cmd); #ifdef CONFIG_PROC_FS static int ircomm_tty_read_proc(char *buf, char **start, off_t offset, int len, @@ -113,7 +113,7 @@ static int __init ircomm_tty_init(void) driver = alloc_tty_driver(IRCOMM_TTY_PORTS); if (!driver) return -ENOMEM; - ircomm_tty = hashbin_new(HB_LOCK); + ircomm_tty = hashbin_new(HB_LOCK); if (ircomm_tty == NULL) { IRDA_ERROR("%s(), can't allocate hashbin!\n", __FUNCTION__); put_tty_driver(driver); @@ -163,11 +163,11 @@ static void __exit ircomm_tty_cleanup(void) { int ret; - IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); + IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); ret = tty_unregister_driver(driver); - if (ret) { - IRDA_ERROR("%s(), failed to unregister driver\n", + if (ret) { + IRDA_ERROR("%s(), failed to unregister driver\n", __FUNCTION__); return; } @@ -179,7 +179,7 @@ static void __exit ircomm_tty_cleanup(void) /* * Function ircomm_startup (self) * - * + * * */ static int ircomm_tty_startup(struct ircomm_tty_cb *self) @@ -203,17 +203,17 @@ static int ircomm_tty_startup(struct ircomm_tty_cb *self) /* These callbacks we must handle ourselves */ notify.data_indication = ircomm_tty_data_indication; notify.udata_indication = ircomm_tty_control_indication; - notify.flow_indication = ircomm_tty_flow_indication; + notify.flow_indication = ircomm_tty_flow_indication; /* Use the ircomm_tty interface for these ones */ - notify.disconnect_indication = ircomm_tty_disconnect_indication; + notify.disconnect_indication = ircomm_tty_disconnect_indication; notify.connect_confirm = ircomm_tty_connect_confirm; - notify.connect_indication = ircomm_tty_connect_indication; + notify.connect_indication = ircomm_tty_connect_indication; strlcpy(notify.name, "ircomm_tty", sizeof(notify.name)); notify.instance = self; if (!self->ircomm) { - self->ircomm = ircomm_open(¬ify, self->service_type, + self->ircomm = ircomm_open(¬ify, self->service_type, self->line); } if (!self->ircomm) @@ -237,10 +237,10 @@ err: /* * Function ircomm_block_til_ready (self, filp) * - * + * * */ -static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, +static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, struct file *filp) { DECLARE_WAITQUEUE(wait, current); @@ -248,7 +248,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, int do_clocal = 0, extra_count = 0; unsigned long flags; struct tty_struct *tty; - + IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); tty = self->tty; @@ -256,7 +256,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, /* * If non-blocking mode is set, or the port is not enabled, * then make the check up front and then exit. - */ + */ if (filp->f_flags & O_NONBLOCK || tty->flags & (1 << TTY_IO_ERROR)){ /* nonblock mode is set or port is not enabled */ self->flags |= ASYNC_NORMAL_ACTIVE; @@ -268,17 +268,17 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, IRDA_DEBUG(1, "%s(), doing CLOCAL!\n", __FUNCTION__ ); do_clocal = 1; } - + /* Wait for carrier detect and the line to become * free (i.e., not in use by the callout). While we are in * this loop, self->open_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(&self->open_wait, &wait); - + IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n", __FILE__,__LINE__, tty->driver->name, self->open_count ); @@ -290,7 +290,7 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, } spin_unlock_irqrestore(&self->spinlock, flags); self->blocked_open++; - + while (1) { if (tty->termios->c_cflag & CBAUD) { /* Here, we use to lock those two guys, but @@ -298,45 +298,45 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, * I don't see the point (and I see the deadlock). * Jean II */ self->settings.dte |= IRCOMM_RTS + IRCOMM_DTR; - + ircomm_param_request(self, IRCOMM_DTE, TRUE); } - + current->state = TASK_INTERRUPTIBLE; - + if (tty_hung_up_p(filp) || !test_bit(ASYNC_B_INITIALIZED, &self->flags)) { retval = (self->flags & ASYNC_HUP_NOTIFY) ? -EAGAIN : -ERESTARTSYS; break; } - - /* + + /* * Check if link is ready now. Even if CLOCAL is * specified, we cannot return before the IrCOMM link is - * ready + * ready */ - if (!test_bit(ASYNC_B_CLOSING, &self->flags) && - (do_clocal || (self->settings.dce & IRCOMM_CD)) && + if (!test_bit(ASYNC_B_CLOSING, &self->flags) && + (do_clocal || (self->settings.dce & IRCOMM_CD)) && self->state == IRCOMM_TTY_READY) { - break; + break; } - + if (signal_pending(current)) { retval = -ERESTARTSYS; break; } - + IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n", __FILE__,__LINE__, tty->driver->name, self->open_count ); - + schedule(); } - + __set_current_state(TASK_RUNNING); remove_wait_queue(&self->open_wait, &wait); - + if (extra_count) { /* ++ is not atomic, so this should be protected - Jean II */ spin_lock_irqsave(&self->spinlock, flags); @@ -344,14 +344,14 @@ static int ircomm_tty_block_til_ready(struct ircomm_tty_cb *self, spin_unlock_irqrestore(&self->spinlock, flags); } self->blocked_open--; - + IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n", __FILE__,__LINE__, tty->driver->name, self->open_count); - + if (!retval) self->flags |= ASYNC_NORMAL_ACTIVE; - - return retval; + + return retval; } /* @@ -384,7 +384,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) IRDA_ERROR("%s(), kmalloc failed!\n", __FUNCTION__); return -ENOMEM; } - + self->magic = IRCOMM_TTY_MAGIC; self->flow = FLOW_STOP; @@ -398,13 +398,13 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) /* Init some important stuff */ init_timer(&self->watchdog_timer); init_waitqueue_head(&self->open_wait); - init_waitqueue_head(&self->close_wait); + init_waitqueue_head(&self->close_wait); spin_lock_init(&self->spinlock); - /* + /* * Force TTY into raw mode by default which is usually what * we want for IrCOMM and IrLPT. This way applications will - * not have to twiddle with printcap etc. + * not have to twiddle with printcap etc. */ tty->termios->c_iflag = 0; tty->termios->c_oflag = 0; @@ -420,7 +420,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) self->tty = tty; spin_unlock_irqrestore(&self->spinlock, flags); - IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __FUNCTION__ , tty->driver->name, + IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __FUNCTION__ , tty->driver->name, self->line, self->open_count); /* Not really used by us, but lets do it anyway */ @@ -473,7 +473,7 @@ static int ircomm_tty_open(struct tty_struct *tty, struct file *filp) ret = ircomm_tty_block_til_ready(self, filp); if (ret) { - IRDA_DEBUG(2, + IRDA_DEBUG(2, "%s(), returning after block_til_ready with %d\n", __FUNCTION__ , ret); @@ -519,7 +519,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp) * serial port won't be shutdown. */ IRDA_DEBUG(0, "%s(), bad serial port count; " - "tty->count is 1, state->count is %d\n", __FUNCTION__ , + "tty->count is 1, state->count is %d\n", __FUNCTION__ , self->open_count); self->open_count = 1; } @@ -546,7 +546,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp) spin_unlock_irqrestore(&self->spinlock, flags); /* - * Now we wait for the transmit buffer to clear; and we notify + * Now we wait for the transmit buffer to clear; and we notify * the line discipline to only process XON/XOFF characters. */ tty->closing = 1; @@ -576,7 +576,7 @@ static void ircomm_tty_close(struct tty_struct *tty, struct file *filp) /* * Function ircomm_tty_flush_buffer (tty) * - * + * * */ static void ircomm_tty_flush_buffer(struct tty_struct *tty) @@ -586,9 +586,9 @@ static void ircomm_tty_flush_buffer(struct tty_struct *tty) IRDA_ASSERT(self != NULL, return;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return;); - /* - * Let do_softint() do this to avoid race condition with - * do_softint() ;-) + /* + * Let do_softint() do this to avoid race condition with + * do_softint() ;-) */ schedule_work(&self->tqueue); } @@ -597,7 +597,7 @@ static void ircomm_tty_flush_buffer(struct tty_struct *tty) * Function ircomm_tty_do_softint (work) * * We use this routine to give the write wakeup to the user at at a - * safe time (as fast as possible after write have completed). This + * safe time (as fast as possible after write have completed). This * can be compared to the Tx interrupt. */ static void ircomm_tty_do_softint(struct work_struct *work) @@ -638,7 +638,7 @@ static void ircomm_tty_do_softint(struct work_struct *work) /* Unlink transmit buffer */ spin_lock_irqsave(&self->spinlock, flags); - + skb = self->tx_skb; self->tx_skb = NULL; @@ -650,9 +650,9 @@ static void ircomm_tty_do_softint(struct work_struct *work) /* Drop reference count - see ircomm_ttp_data_request(). */ dev_kfree_skb(skb); } - + /* Check if user (still) wants to be waken up */ - if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && + if ((tty->flags & (1 << TTY_DO_WRITE_WAKEUP)) && tty->ldisc.write_wakeup) { (tty->ldisc.write_wakeup)(tty); @@ -717,12 +717,12 @@ static int ircomm_tty_write(struct tty_struct *tty, /* Fetch current transmit buffer */ skb = self->tx_skb; - /* + /* * Send out all the data we get, possibly as multiple fragmented * frames, but this will only happen if the data is larger than the * max data size. The normal case however is just the opposite, and * this function may be called multiple times, and will then actually - * defragment the data and send it out as one packet as soon as + * defragment the data and send it out as one packet as soon as * possible, but at a safer point in time */ while (count) { @@ -731,16 +731,16 @@ static int ircomm_tty_write(struct tty_struct *tty, /* Adjust data size to the max data size */ if (size > self->max_data_size) size = self->max_data_size; - - /* + + /* * Do we already have a buffer ready for transmit, or do - * we need to allocate a new frame + * we need to allocate a new frame */ - if (skb) { - /* - * Any room for more data at the end of the current + if (skb) { + /* + * Any room for more data at the end of the current * transmit buffer? Cannot use skb_tailroom, since - * dev_alloc_skb gives us a larger skb than we + * dev_alloc_skb gives us a larger skb than we * requested * Note : use tx_data_size, because max_data_size * may have changed and we don't want to overwrite @@ -751,8 +751,8 @@ static int ircomm_tty_write(struct tty_struct *tty, if (size > tailroom) size = tailroom; } else { - /* - * Current transmit frame is full, so break + /* + * Current transmit frame is full, so break * out, so we can send it as soon as possible */ break; @@ -782,15 +782,15 @@ static int ircomm_tty_write(struct tty_struct *tty, spin_unlock_irqrestore(&self->spinlock, flags); - /* + /* * Schedule a new thread which will transmit the frame as soon * as possible, but at a safe point in time. We do this so the * "user" can give us data multiple times, as PPP does (because of * its 256 byte tx buffer). We will then defragment and send out - * all this data as one single packet. + * all this data as one single packet. */ schedule_work(&self->tqueue); - + return len; } @@ -846,7 +846,7 @@ static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout) struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; unsigned long orig_jiffies, poll_time; unsigned long flags; - + IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); IRDA_ASSERT(self != NULL, return;); @@ -876,7 +876,7 @@ static void ircomm_tty_wait_until_sent(struct tty_struct *tty, int timeout) * * This routine notifies the tty driver that input buffers for the line * discipline are close to full, and it should somehow signal that no - * more characters should be sent to the tty. + * more characters should be sent to the tty. */ static void ircomm_tty_throttle(struct tty_struct *tty) { @@ -890,16 +890,16 @@ static void ircomm_tty_throttle(struct tty_struct *tty) /* Software flow control? */ if (I_IXOFF(tty)) ircomm_tty_send_xchar(tty, STOP_CHAR(tty)); - + /* Hardware flow control? */ if (tty->termios->c_cflag & CRTSCTS) { self->settings.dte &= ~IRCOMM_RTS; self->settings.dte |= IRCOMM_DELTA_RTS; - + ircomm_param_request(self, IRCOMM_DTE, TRUE); } - ircomm_flow_request(self->ircomm, FLOW_STOP); + ircomm_flow_request(self->ircomm, FLOW_STOP); } /* @@ -930,7 +930,7 @@ static void ircomm_tty_unthrottle(struct tty_struct *tty) ircomm_param_request(self, IRCOMM_DTE, TRUE); IRDA_DEBUG(1, "%s(), FLOW_START\n", __FUNCTION__ ); } - ircomm_flow_request(self->ircomm, FLOW_START); + ircomm_flow_request(self->ircomm, FLOW_START); } /* @@ -975,7 +975,7 @@ static void ircomm_tty_shutdown(struct ircomm_tty_cb *self) spin_lock_irqsave(&self->spinlock, flags); del_timer(&self->watchdog_timer); - + /* Free parameter buffer */ if (self->ctrl_skb) { dev_kfree_skb(self->ctrl_skb); @@ -1001,7 +1001,7 @@ static void ircomm_tty_shutdown(struct ircomm_tty_cb *self) * * This routine notifies the tty driver that it should hangup the tty * device. - * + * */ static void ircomm_tty_hangup(struct tty_struct *tty) { @@ -1044,7 +1044,7 @@ static void ircomm_tty_send_xchar(struct tty_struct *tty, char ch) * Function ircomm_tty_start (tty) * * This routine notifies the tty driver that it resume sending - * characters to the tty device. + * characters to the tty device. */ void ircomm_tty_start(struct tty_struct *tty) { @@ -1057,9 +1057,9 @@ void ircomm_tty_start(struct tty_struct *tty) * Function ircomm_tty_stop (tty) * * This routine notifies the tty driver that it should stop outputting - * characters to the tty device. + * characters to the tty device. */ -static void ircomm_tty_stop(struct tty_struct *tty) +static void ircomm_tty_stop(struct tty_struct *tty) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) tty->driver_data; @@ -1094,14 +1094,14 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) /*wake_up_interruptible(&self->delta_msr_wait);*/ } if ((self->flags & ASYNC_CHECK_CD) && (status & IRCOMM_DELTA_CD)) { - IRDA_DEBUG(2, + IRDA_DEBUG(2, "%s(), ircomm%d CD now %s...\n", __FUNCTION__ , self->line, (status & IRCOMM_CD) ? "on" : "off"); if (status & IRCOMM_CD) { wake_up_interruptible(&self->open_wait); } else { - IRDA_DEBUG(2, + IRDA_DEBUG(2, "%s(), Doing serial hangup..\n", __FUNCTION__ ); if (tty) tty_hangup(tty); @@ -1113,10 +1113,10 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) if (self->flags & ASYNC_CTS_FLOW) { if (tty->hw_stopped) { if (status & IRCOMM_CTS) { - IRDA_DEBUG(2, + IRDA_DEBUG(2, "%s(), CTS tx start...\n", __FUNCTION__ ); tty->hw_stopped = 0; - + /* Wake up processes blocked on open */ wake_up_interruptible(&self->open_wait); @@ -1125,7 +1125,7 @@ void ircomm_tty_check_modem_status(struct ircomm_tty_cb *self) } } else { if (!(status & IRCOMM_CTS)) { - IRDA_DEBUG(2, + IRDA_DEBUG(2, "%s(), CTS tx stop...\n", __FUNCTION__ ); tty->hw_stopped = 1; } @@ -1145,7 +1145,7 @@ static int ircomm_tty_data_indication(void *instance, void *sap, struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; IRDA_DEBUG(2, "%s()\n", __FUNCTION__ ); - + IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); IRDA_ASSERT(skb != NULL, return -1;); @@ -1155,10 +1155,10 @@ static int ircomm_tty_data_indication(void *instance, void *sap, return 0; } - /* + /* * If we receive data when hardware is stopped then something is wrong. * We try to poll the peers line settings to check if we are up todate. - * Devices like WinCE can do this, and since they don't send any + * Devices like WinCE can do this, and since they don't send any * params, we can just as well declare the hardware for running. */ if (self->tty->hw_stopped && (self->flow == FLOW_START)) { @@ -1170,9 +1170,9 @@ static int ircomm_tty_data_indication(void *instance, void *sap, ircomm_tty_link_established(self); } - /* + /* * Just give it over to the line discipline. There is no need to - * involve the flip buffers, since we are not running in an interrupt + * involve the flip buffers, since we are not running in an interrupt * handler */ self->tty->ldisc.receive_buf(self->tty, skb->data, NULL, skb->len); @@ -1195,14 +1195,14 @@ static int ircomm_tty_control_indication(void *instance, void *sap, int clen; IRDA_DEBUG(4, "%s()\n", __FUNCTION__ ); - + IRDA_ASSERT(self != NULL, return -1;); IRDA_ASSERT(self->magic == IRCOMM_TTY_MAGIC, return -1;); IRDA_ASSERT(skb != NULL, return -1;); clen = skb->data[0]; - irda_param_extract_all(self, skb->data+1, IRDA_MIN(skb->len-1, clen), + irda_param_extract_all(self, skb->data+1, IRDA_MIN(skb->len-1, clen), &ircomm_param_info); /* No need to kfree_skb - see ircomm_control_indication() */ @@ -1217,7 +1217,7 @@ static int ircomm_tty_control_indication(void *instance, void *sap, * transmission of data. We just mark the hardware as stopped, and wait * for IrTTP to notify us that things are OK again. */ -static void ircomm_tty_flow_indication(void *instance, void *sap, +static void ircomm_tty_flow_indication(void *instance, void *sap, LOCAL_FLOW cmd) { struct ircomm_tty_cb *self = (struct ircomm_tty_cb *) instance; @@ -1247,7 +1247,7 @@ static void ircomm_tty_flow_indication(void *instance, void *sap, static int ircomm_tty_line_info(struct ircomm_tty_cb *self, char *buf) { - int ret=0; + int ret=0; ret += sprintf(buf+ret, "State: %s\n", ircomm_tty_state[self->state]); @@ -1260,37 +1260,37 @@ static int ircomm_tty_line_info(struct ircomm_tty_cb *self, char *buf) ret += sprintf(buf+ret, "3_WIRE_RAW"); else ret += sprintf(buf+ret, "No common service type!\n"); - ret += sprintf(buf+ret, "\n"); + ret += sprintf(buf+ret, "\n"); ret += sprintf(buf+ret, "Port name: %s\n", self->settings.port_name); - ret += sprintf(buf+ret, "DTE status: "); - if (self->settings.dte & IRCOMM_RTS) - ret += sprintf(buf+ret, "RTS|"); - if (self->settings.dte & IRCOMM_DTR) - ret += sprintf(buf+ret, "DTR|"); + ret += sprintf(buf+ret, "DTE status: "); + if (self->settings.dte & IRCOMM_RTS) + ret += sprintf(buf+ret, "RTS|"); + if (self->settings.dte & IRCOMM_DTR) + ret += sprintf(buf+ret, "DTR|"); if (self->settings.dte) ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); + ret += sprintf(buf+ret, "\n"); ret += sprintf(buf+ret, "DCE status: "); - if (self->settings.dce & IRCOMM_CTS) - ret += sprintf(buf+ret, "CTS|"); - if (self->settings.dce & IRCOMM_DSR) - ret += sprintf(buf+ret, "DSR|"); - if (self->settings.dce & IRCOMM_CD) - ret += sprintf(buf+ret, "CD|"); - if (self->settings.dce & IRCOMM_RI) - ret += sprintf(buf+ret, "RI|"); + if (self->settings.dce & IRCOMM_CTS) + ret += sprintf(buf+ret, "CTS|"); + if (self->settings.dce & IRCOMM_DSR) + ret += sprintf(buf+ret, "DSR|"); + if (self->settings.dce & IRCOMM_CD) + ret += sprintf(buf+ret, "CD|"); + if (self->settings.dce & IRCOMM_RI) + ret += sprintf(buf+ret, "RI|"); if (self->settings.dce) ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); + ret += sprintf(buf+ret, "\n"); ret += sprintf(buf+ret, "Configuration: "); if (!self->settings.null_modem) ret += sprintf(buf+ret, "DTE <-> DCE\n"); else - ret += sprintf(buf+ret, + ret += sprintf(buf+ret, "DTE <-> DTE (null modem emulation)\n"); ret += sprintf(buf+ret, "Data rate: %d\n", self->settings.data_rate); @@ -1314,7 +1314,7 @@ static int ircomm_tty_line_info(struct ircomm_tty_cb *self, char *buf) ret += sprintf(buf+ret, "ENQ_ACK_OUT|"); if (self->settings.flow_control) ret--; /* remove the last | */ - ret += sprintf(buf+ret, "\n"); + ret += sprintf(buf+ret, "\n"); ret += sprintf(buf+ret, "Flags: "); if (self->flags & ASYNC_CTS_FLOW) @@ -1333,25 +1333,25 @@ static int ircomm_tty_line_info(struct ircomm_tty_cb *self, char *buf) ret--; /* remove the last | */ ret += sprintf(buf+ret, "\n"); - ret += sprintf(buf+ret, "Role: %s\n", self->client ? + ret += sprintf(buf+ret, "Role: %s\n", self->client ? "client" : "server"); ret += sprintf(buf+ret, "Open count: %d\n", self->open_count); ret += sprintf(buf+ret, "Max data size: %d\n", self->max_data_size); ret += sprintf(buf+ret, "Max header size: %d\n", self->max_header_size); - + if (self->tty) - ret += sprintf(buf+ret, "Hardware: %s\n", + ret += sprintf(buf+ret, "Hardware: %s\n", self->tty->hw_stopped ? "Stopped" : "Running"); - ret += sprintf(buf+ret, "\n"); - return ret; + ret += sprintf(buf+ret, "\n"); + return ret; } /* * Function ircomm_tty_read_proc (buf, start, offset, len, eof, unused) * - * + * * */ #ifdef CONFIG_PROC_FS @@ -1359,8 +1359,8 @@ static int ircomm_tty_read_proc(char *buf, char **start, off_t offset, int len, int *eof, void *unused) { struct ircomm_tty_cb *self; - int count = 0, l; - off_t begin = 0; + int count = 0, l; + off_t begin = 0; unsigned long flags; spin_lock_irqsave(&ircomm_tty->hb_spinlock, flags); @@ -1370,25 +1370,25 @@ static int ircomm_tty_read_proc(char *buf, char **start, off_t offset, int len, if (self->magic != IRCOMM_TTY_MAGIC) break; - l = ircomm_tty_line_info(self, buf + count); - count += l; - if (count+begin > offset+len) - goto done; - if (count+begin < offset) { - begin += count; - count = 0; - } - + l = ircomm_tty_line_info(self, buf + count); + count += l; + if (count+begin > offset+len) + goto done; + if (count+begin < offset) { + begin += count; + count = 0; + } + self = (struct ircomm_tty_cb *) hashbin_get_next(ircomm_tty); - } - *eof = 1; + } + *eof = 1; done: spin_unlock_irqrestore(&ircomm_tty->hb_spinlock, flags); - if (offset >= count+begin) - return 0; - *start = buf + (offset-begin); - return ((len < begin+count-offset) ? len : begin+count-offset); + if (offset >= count+begin) + return 0; + *start = buf + (offset-begin); + return ((len < begin+count-offset) ? len : begin+count-offset); } #endif /* CONFIG_PROC_FS */ |
