diff options
Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r-- | drivers/char/synclinkmp.c | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 7b0c5b2dd263..26de60efe4b2 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c | |||
@@ -50,6 +50,7 @@ | |||
50 | #include <linux/ptrace.h> | 50 | #include <linux/ptrace.h> |
51 | #include <linux/ioport.h> | 51 | #include <linux/ioport.h> |
52 | #include <linux/mm.h> | 52 | #include <linux/mm.h> |
53 | #include <linux/seq_file.h> | ||
53 | #include <linux/slab.h> | 54 | #include <linux/slab.h> |
54 | #include <linux/netdevice.h> | 55 | #include <linux/netdevice.h> |
55 | #include <linux/vmalloc.h> | 56 | #include <linux/vmalloc.h> |
@@ -520,7 +521,6 @@ static void tx_hold(struct tty_struct *tty); | |||
520 | static void tx_release(struct tty_struct *tty); | 521 | static void tx_release(struct tty_struct *tty); |
521 | 522 | ||
522 | static int ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); | 523 | static int ioctl(struct tty_struct *tty, struct file *file, unsigned int cmd, unsigned long arg); |
523 | static int read_proc(char *page, char **start, off_t off, int count,int *eof, void *data); | ||
524 | static int chars_in_buffer(struct tty_struct *tty); | 524 | static int chars_in_buffer(struct tty_struct *tty); |
525 | static void throttle(struct tty_struct * tty); | 525 | static void throttle(struct tty_struct * tty); |
526 | static void unthrottle(struct tty_struct * tty); | 526 | static void unthrottle(struct tty_struct * tty); |
@@ -1354,13 +1354,12 @@ static int ioctl(struct tty_struct *tty, struct file *file, | |||
1354 | * /proc fs routines.... | 1354 | * /proc fs routines.... |
1355 | */ | 1355 | */ |
1356 | 1356 | ||
1357 | static inline int line_info(char *buf, SLMP_INFO *info) | 1357 | static inline void line_info(struct seq_file *m, SLMP_INFO *info) |
1358 | { | 1358 | { |
1359 | char stat_buf[30]; | 1359 | char stat_buf[30]; |
1360 | int ret; | ||
1361 | unsigned long flags; | 1360 | unsigned long flags; |
1362 | 1361 | ||
1363 | ret = sprintf(buf, "%s: SCABase=%08x Mem=%08X StatusControl=%08x LCR=%08X\n" | 1362 | seq_printf(m, "%s: SCABase=%08x Mem=%08X StatusControl=%08x LCR=%08X\n" |
1364 | "\tIRQ=%d MaxFrameSize=%u\n", | 1363 | "\tIRQ=%d MaxFrameSize=%u\n", |
1365 | info->device_name, | 1364 | info->device_name, |
1366 | info->phys_sca_base, | 1365 | info->phys_sca_base, |
@@ -1391,75 +1390,70 @@ static inline int line_info(char *buf, SLMP_INFO *info) | |||
1391 | strcat(stat_buf, "|RI"); | 1390 | strcat(stat_buf, "|RI"); |
1392 | 1391 | ||
1393 | if (info->params.mode == MGSL_MODE_HDLC) { | 1392 | if (info->params.mode == MGSL_MODE_HDLC) { |
1394 | ret += sprintf(buf+ret, "\tHDLC txok:%d rxok:%d", | 1393 | seq_printf(m, "\tHDLC txok:%d rxok:%d", |
1395 | info->icount.txok, info->icount.rxok); | 1394 | info->icount.txok, info->icount.rxok); |
1396 | if (info->icount.txunder) | 1395 | if (info->icount.txunder) |
1397 | ret += sprintf(buf+ret, " txunder:%d", info->icount.txunder); | 1396 | seq_printf(m, " txunder:%d", info->icount.txunder); |
1398 | if (info->icount.txabort) | 1397 | if (info->icount.txabort) |
1399 | ret += sprintf(buf+ret, " txabort:%d", info->icount.txabort); | 1398 | seq_printf(m, " txabort:%d", info->icount.txabort); |
1400 | if (info->icount.rxshort) | 1399 | if (info->icount.rxshort) |
1401 | ret += sprintf(buf+ret, " rxshort:%d", info->icount.rxshort); | 1400 | seq_printf(m, " rxshort:%d", info->icount.rxshort); |
1402 | if (info->icount.rxlong) | 1401 | if (info->icount.rxlong) |
1403 | ret += sprintf(buf+ret, " rxlong:%d", info->icount.rxlong); | 1402 | seq_printf(m, " rxlong:%d", info->icount.rxlong); |
1404 | if (info->icount.rxover) | 1403 | if (info->icount.rxover) |
1405 | ret += sprintf(buf+ret, " rxover:%d", info->icount.rxover); | 1404 | seq_printf(m, " rxover:%d", info->icount.rxover); |
1406 | if (info->icount.rxcrc) | 1405 | if (info->icount.rxcrc) |
1407 | ret += sprintf(buf+ret, " rxlong:%d", info->icount.rxcrc); | 1406 | seq_printf(m, " rxlong:%d", info->icount.rxcrc); |
1408 | } else { | 1407 | } else { |
1409 | ret += sprintf(buf+ret, "\tASYNC tx:%d rx:%d", | 1408 | seq_printf(m, "\tASYNC tx:%d rx:%d", |
1410 | info->icount.tx, info->icount.rx); | 1409 | info->icount.tx, info->icount.rx); |
1411 | if (info->icount.frame) | 1410 | if (info->icount.frame) |
1412 | ret += sprintf(buf+ret, " fe:%d", info->icount.frame); | 1411 | seq_printf(m, " fe:%d", info->icount.frame); |
1413 | if (info->icount.parity) | 1412 | if (info->icount.parity) |
1414 | ret += sprintf(buf+ret, " pe:%d", info->icount.parity); | 1413 | seq_printf(m, " pe:%d", info->icount.parity); |
1415 | if (info->icount.brk) | 1414 | if (info->icount.brk) |
1416 | ret += sprintf(buf+ret, " brk:%d", info->icount.brk); | 1415 | seq_printf(m, " brk:%d", info->icount.brk); |
1417 | if (info->icount.overrun) | 1416 | if (info->icount.overrun) |
1418 | ret += sprintf(buf+ret, " oe:%d", info->icount.overrun); | 1417 | seq_printf(m, " oe:%d", info->icount.overrun); |
1419 | } | 1418 | } |
1420 | 1419 | ||
1421 | /* Append serial signal status to end */ | 1420 | /* Append serial signal status to end */ |
1422 | ret += sprintf(buf+ret, " %s\n", stat_buf+1); | 1421 | seq_printf(m, " %s\n", stat_buf+1); |
1423 | 1422 | ||
1424 | ret += sprintf(buf+ret, "\ttxactive=%d bh_req=%d bh_run=%d pending_bh=%x\n", | 1423 | seq_printf(m, "\ttxactive=%d bh_req=%d bh_run=%d pending_bh=%x\n", |
1425 | info->tx_active,info->bh_requested,info->bh_running, | 1424 | info->tx_active,info->bh_requested,info->bh_running, |
1426 | info->pending_bh); | 1425 | info->pending_bh); |
1427 | |||
1428 | return ret; | ||
1429 | } | 1426 | } |
1430 | 1427 | ||
1431 | /* Called to print information about devices | 1428 | /* Called to print information about devices |
1432 | */ | 1429 | */ |
1433 | static int read_proc(char *page, char **start, off_t off, int count, | 1430 | static int synclinkmp_proc_show(struct seq_file *m, void *v) |
1434 | int *eof, void *data) | ||
1435 | { | 1431 | { |
1436 | int len = 0, l; | ||
1437 | off_t begin = 0; | ||
1438 | SLMP_INFO *info; | 1432 | SLMP_INFO *info; |
1439 | 1433 | ||
1440 | len += sprintf(page, "synclinkmp driver:%s\n", driver_version); | 1434 | seq_printf(m, "synclinkmp driver:%s\n", driver_version); |
1441 | 1435 | ||
1442 | info = synclinkmp_device_list; | 1436 | info = synclinkmp_device_list; |
1443 | while( info ) { | 1437 | while( info ) { |
1444 | l = line_info(page + len, info); | 1438 | line_info(m, info); |
1445 | len += l; | ||
1446 | if (len+begin > off+count) | ||
1447 | goto done; | ||
1448 | if (len+begin < off) { | ||
1449 | begin += len; | ||
1450 | len = 0; | ||
1451 | } | ||
1452 | info = info->next_device; | 1439 | info = info->next_device; |
1453 | } | 1440 | } |
1441 | return 0; | ||
1442 | } | ||
1454 | 1443 | ||
1455 | *eof = 1; | 1444 | static int synclinkmp_proc_open(struct inode *inode, struct file *file) |
1456 | done: | 1445 | { |
1457 | if (off >= len+begin) | 1446 | return single_open(file, synclinkmp_proc_show, NULL); |
1458 | return 0; | ||
1459 | *start = page + (off-begin); | ||
1460 | return ((count < begin+len-off) ? count : begin+len-off); | ||
1461 | } | 1447 | } |
1462 | 1448 | ||
1449 | static const struct file_operations synclinkmp_proc_fops = { | ||
1450 | .owner = THIS_MODULE, | ||
1451 | .open = synclinkmp_proc_open, | ||
1452 | .read = seq_read, | ||
1453 | .llseek = seq_lseek, | ||
1454 | .release = single_release, | ||
1455 | }; | ||
1456 | |||
1463 | /* Return the count of bytes in transmit buffer | 1457 | /* Return the count of bytes in transmit buffer |
1464 | */ | 1458 | */ |
1465 | static int chars_in_buffer(struct tty_struct *tty) | 1459 | static int chars_in_buffer(struct tty_struct *tty) |
@@ -1907,10 +1901,17 @@ static void hdlcdev_rx(SLMP_INFO *info, char *buf, int size) | |||
1907 | dev->stats.rx_bytes += size; | 1901 | dev->stats.rx_bytes += size; |
1908 | 1902 | ||
1909 | netif_rx(skb); | 1903 | netif_rx(skb); |
1910 | |||
1911 | dev->last_rx = jiffies; | ||
1912 | } | 1904 | } |
1913 | 1905 | ||
1906 | static const struct net_device_ops hdlcdev_ops = { | ||
1907 | .ndo_open = hdlcdev_open, | ||
1908 | .ndo_stop = hdlcdev_close, | ||
1909 | .ndo_change_mtu = hdlc_change_mtu, | ||
1910 | .ndo_start_xmit = hdlc_start_xmit, | ||
1911 | .ndo_do_ioctl = hdlcdev_ioctl, | ||
1912 | .ndo_tx_timeout = hdlcdev_tx_timeout, | ||
1913 | }; | ||
1914 | |||
1914 | /** | 1915 | /** |
1915 | * called by device driver when adding device instance | 1916 | * called by device driver when adding device instance |
1916 | * do generic HDLC initialization | 1917 | * do generic HDLC initialization |
@@ -1938,11 +1939,8 @@ static int hdlcdev_init(SLMP_INFO *info) | |||
1938 | dev->irq = info->irq_level; | 1939 | dev->irq = info->irq_level; |
1939 | 1940 | ||
1940 | /* network layer callbacks and settings */ | 1941 | /* network layer callbacks and settings */ |
1941 | dev->do_ioctl = hdlcdev_ioctl; | 1942 | dev->netdev_ops = &hdlcdev_ops; |
1942 | dev->open = hdlcdev_open; | 1943 | dev->watchdog_timeo = 10 * HZ; |
1943 | dev->stop = hdlcdev_close; | ||
1944 | dev->tx_timeout = hdlcdev_tx_timeout; | ||
1945 | dev->watchdog_timeo = 10*HZ; | ||
1946 | dev->tx_queue_len = 50; | 1944 | dev->tx_queue_len = 50; |
1947 | 1945 | ||
1948 | /* generic HDLC layer callbacks and settings */ | 1946 | /* generic HDLC layer callbacks and settings */ |
@@ -3901,13 +3899,13 @@ static const struct tty_operations ops = { | |||
3901 | .send_xchar = send_xchar, | 3899 | .send_xchar = send_xchar, |
3902 | .break_ctl = set_break, | 3900 | .break_ctl = set_break, |
3903 | .wait_until_sent = wait_until_sent, | 3901 | .wait_until_sent = wait_until_sent, |
3904 | .read_proc = read_proc, | ||
3905 | .set_termios = set_termios, | 3902 | .set_termios = set_termios, |
3906 | .stop = tx_hold, | 3903 | .stop = tx_hold, |
3907 | .start = tx_release, | 3904 | .start = tx_release, |
3908 | .hangup = hangup, | 3905 | .hangup = hangup, |
3909 | .tiocmget = tiocmget, | 3906 | .tiocmget = tiocmget, |
3910 | .tiocmset = tiocmset, | 3907 | .tiocmset = tiocmset, |
3908 | .proc_fops = &synclinkmp_proc_fops, | ||
3911 | }; | 3909 | }; |
3912 | 3910 | ||
3913 | 3911 | ||