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-rw-r--r--drivers/isdn/capi/capi.c5
-rw-r--r--drivers/isdn/capi/kcapi.c4
-rw-r--r--drivers/isdn/gigaset/ser-gigaset.c27
-rw-r--r--drivers/isdn/hardware/avm/avm_cs.c85
-rw-r--r--drivers/isdn/hardware/mISDN/hfc_pci.h4
-rw-r--r--drivers/isdn/hardware/mISDN/hfcpci.c23
-rw-r--r--drivers/isdn/hisax/avma1_cs.c81
-rw-r--r--drivers/isdn/hisax/elsa_cs.c79
-rw-r--r--drivers/isdn/hisax/sedlbauer_cs.c197
-rw-r--r--drivers/isdn/hisax/teles_cs.c79
-rw-r--r--drivers/isdn/i4l/isdn_ppp.c352
-rw-r--r--drivers/isdn/mISDN/dsp_cmx.c4
-rw-r--r--drivers/isdn/mISDN/timerdev.c24
13 files changed, 421 insertions, 543 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index 871b0cbca5e4..1b5bf87c4cf4 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -1231,7 +1231,7 @@ static int capinc_tty_ioctl(struct tty_struct *tty, struct file * file,
int error = 0;
switch (cmd) {
default:
- error = n_tty_ioctl (tty, file, cmd, arg);
+ error = n_tty_ioctl_helper(tty, file, cmd, arg);
break;
}
return error;
@@ -1553,8 +1553,7 @@ static int __init capi_init(void)
return PTR_ERR(capi_class);
}
- device_create_drvdata(capi_class, NULL, MKDEV(capi_major, 0), NULL,
- "capi");
+ device_create(capi_class, NULL, MKDEV(capi_major, 0), NULL, "capi");
#ifdef CONFIG_ISDN_CAPI_MIDDLEWARE
if (capinc_tty_init() < 0) {
diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c
index 75726ea0fbbd..5360c4fd4739 100644
--- a/drivers/isdn/capi/kcapi.c
+++ b/drivers/isdn/capi/kcapi.c
@@ -828,15 +828,18 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
return -ESRCH;
if (card->load_firmware == NULL) {
printk(KERN_DEBUG "kcapi: load: no load function\n");
+ capi_ctr_put(card);
return -ESRCH;
}
if (ldef.t4file.len <= 0) {
printk(KERN_DEBUG "kcapi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len);
+ capi_ctr_put(card);
return -EINVAL;
}
if (ldef.t4file.data == NULL) {
printk(KERN_DEBUG "kcapi: load: invalid parameter: dataptr is 0\n");
+ capi_ctr_put(card);
return -EINVAL;
}
@@ -849,6 +852,7 @@ static int old_capi_manufacturer(unsigned int cmd, void __user *data)
if (card->cardstate != CARD_DETECTED) {
printk(KERN_INFO "kcapi: load: contr=%d not in detect state\n", ldef.contr);
+ capi_ctr_put(card);
return -EBUSY;
}
card->cardstate = CARD_LOADING;
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 5e89fa177816..07052ed2a0c5 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -571,6 +571,7 @@ gigaset_tty_close(struct tty_struct *tty)
}
/* prevent other callers from entering ldisc methods */
+ /* FIXME: should use the tty state flags */
tty->disc_data = NULL;
if (!cs->hw.ser)
@@ -642,10 +643,11 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file,
return -ENXIO;
switch (cmd) {
- case TCGETS:
- case TCGETA:
- /* pass through to underlying serial device */
- rc = n_tty_ioctl(tty, file, cmd, arg);
+
+ case FIONREAD:
+ /* unused, always return zero */
+ val = 0;
+ rc = put_user(val, p);
break;
case TCFLSH:
@@ -659,20 +661,13 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file,
flush_send_queue(cs);
break;
}
- /* flush the serial port's buffer */
- rc = n_tty_ioctl(tty, file, cmd, arg);
- break;
-
- case FIONREAD:
- /* unused, always return zero */
- val = 0;
- rc = put_user(val, p);
- break;
+ /* Pass through */
default:
- rc = -ENOIOCTLCMD;
+ /* pass through to underlying serial device */
+ rc = n_tty_ioctl_helper(tty, file, cmd, arg);
+ break;
}
-
cs_put(cs);
return rc;
}
@@ -680,6 +675,8 @@ gigaset_tty_ioctl(struct tty_struct *tty, struct file *file,
/*
* Poll on the tty.
* Unused, always return zero.
+ *
+ * FIXME: should probably return an exception - especially on hangup
*/
static unsigned int
gigaset_tty_poll(struct tty_struct *tty, struct file *file, poll_table *wait)
diff --git a/drivers/isdn/hardware/avm/avm_cs.c b/drivers/isdn/hardware/avm/avm_cs.c
index a5b941c327f7..c72565520e41 100644
--- a/drivers/isdn/hardware/avm/avm_cs.c
+++ b/drivers/isdn/hardware/avm/avm_cs.c
@@ -154,83 +154,50 @@ static void avmcs_detach(struct pcmcia_device *link)
======================================================================*/
-static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
+static int avmcs_configcheck(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- int i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return pcmcia_parse_tuple(handle, tuple, parse);
-}
-
-static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_first_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
-}
-
-static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_next_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
+ if (cf->io.nwin <= 0)
+ return -ENODEV;
+
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ p_dev->io.NumPorts1 = cf->io.win[0].len;
+ p_dev->io.NumPorts2 = 0;
+ printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
+ p_dev->io.BasePort1,
+ p_dev->io.BasePort1+p_dev->io.NumPorts1-1);
+ return pcmcia_request_io(p_dev, &p_dev->io);
}
static int avmcs_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
local_info_t *dev;
int i;
- u_char buf[64];
char devname[128];
int cardtype;
int (*addcard)(unsigned int port, unsigned irq);
dev = link->priv;
- do {
- devname[0] = 0;
- if (link->prod_id[1])
- strlcpy(devname, link->prod_id[1], sizeof(devname));
+ devname[0] = 0;
+ if (link->prod_id[1])
+ strlcpy(devname, link->prod_id[1], sizeof(devname));
- /*
- * find IO port
- */
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- i = first_tuple(link, &tuple, &parse);
- while (i == CS_SUCCESS) {
- if (cf->io.nwin > 0) {
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- link->io.NumPorts1 = cf->io.win[0].len;
- link->io.NumPorts2 = 0;
- printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
- link->io.BasePort1,
- link->io.BasePort1+link->io.NumPorts1-1);
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) goto found_port;
- }
- i = next_tuple(link, &tuple, &parse);
- }
-
-found_port:
- if (i != CS_SUCCESS) {
- cs_error(link, RequestIO, i);
- break;
- }
+ /*
+ * find IO port
+ */
+ if (pcmcia_loop_config(link, avmcs_configcheck, NULL))
+ return -ENODEV;
+ do {
/*
* allocate an interrupt line
*/
i = pcmcia_request_irq(link, &link->irq);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
cs_error(link, RequestIRQ, i);
/* undo */
pcmcia_disable_device(link);
@@ -241,7 +208,7 @@ found_port:
* configure the PCMCIA socket
*/
i = pcmcia_request_configuration(link, &link->conf);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
cs_error(link, RequestConfiguration, i);
pcmcia_disable_device(link);
break;
diff --git a/drivers/isdn/hardware/mISDN/hfc_pci.h b/drivers/isdn/hardware/mISDN/hfc_pci.h
index fd2c9be6d849..5783d22a18fe 100644
--- a/drivers/isdn/hardware/mISDN/hfc_pci.h
+++ b/drivers/isdn/hardware/mISDN/hfc_pci.h
@@ -183,8 +183,8 @@
#define D_FREG_MASK 0xF
struct zt {
- unsigned short z1; /* Z1 pointer 16 Bit */
- unsigned short z2; /* Z2 pointer 16 Bit */
+ __le16 z1; /* Z1 pointer 16 Bit */
+ __le16 z2; /* Z2 pointer 16 Bit */
};
struct dfifo {
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index 9cf5edbb1a9b..cd8302af40eb 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -43,7 +43,7 @@ MODULE_LICENSE("GPL");
module_param(debug, uint, 0);
static LIST_HEAD(HFClist);
-DEFINE_RWLOCK(HFClock);
+static DEFINE_RWLOCK(HFClock);
enum {
HFC_CCD_2BD0,
@@ -88,7 +88,7 @@ struct hfcPCI_hw {
unsigned char bswapped;
unsigned char protocol;
int nt_timer;
- unsigned char *pci_io; /* start of PCI IO memory */
+ unsigned char __iomem *pci_io; /* start of PCI IO memory */
dma_addr_t dmahandle;
void *fifos; /* FIFO memory */
int last_bfifo_cnt[2];
@@ -153,7 +153,7 @@ release_io_hfcpci(struct hfc_pci *hc)
pci_write_config_word(hc->pdev, PCI_COMMAND, 0);
del_timer(&hc->hw.timer);
pci_free_consistent(hc->pdev, 0x8000, hc->hw.fifos, hc->hw.dmahandle);
- iounmap((void *)hc->hw.pci_io);
+ iounmap(hc->hw.pci_io);
}
/*
@@ -366,8 +366,7 @@ static void hfcpci_clear_fifo_tx(struct hfc_pci *hc, int fifo)
bzt->f2 = MAX_B_FRAMES;
bzt->f1 = bzt->f2; /* init F pointers to remain constant */
bzt->za[MAX_B_FRAMES].z1 = cpu_to_le16(B_FIFO_SIZE + B_SUB_VAL - 1);
- bzt->za[MAX_B_FRAMES].z2 = cpu_to_le16(
- le16_to_cpu(bzt->za[MAX_B_FRAMES].z1 - 1));
+ bzt->za[MAX_B_FRAMES].z2 = cpu_to_le16(B_FIFO_SIZE + B_SUB_VAL - 2);
if (fifo_state)
hc->hw.fifo_en |= fifo_state;
Write_hfc(hc, HFCPCI_FIFO_EN, hc->hw.fifo_en);
@@ -482,7 +481,7 @@ receive_dmsg(struct hfc_pci *hc)
df->f2 = ((df->f2 + 1) & MAX_D_FRAMES) |
(MAX_D_FRAMES + 1); /* next buffer */
df->za[df->f2 & D_FREG_MASK].z2 =
- cpu_to_le16((zp->z2 + rcnt) & (D_FIFO_SIZE - 1));
+ cpu_to_le16((le16_to_cpu(zp->z2) + rcnt) & (D_FIFO_SIZE - 1));
} else {
dch->rx_skb = mI_alloc_skb(rcnt - 3, GFP_ATOMIC);
if (!dch->rx_skb) {
@@ -523,10 +522,10 @@ receive_dmsg(struct hfc_pci *hc)
/*
* check for transparent receive data and read max one threshold size if avail
*/
-int
+static int
hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
{
- unsigned short *z1r, *z2r;
+ __le16 *z1r, *z2r;
int new_z2, fcnt, maxlen;
u_char *ptr, *ptr1;
@@ -576,7 +575,7 @@ hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
/*
* B-channel main receive routine
*/
-void
+static void
main_rec_hfcpci(struct bchannel *bch)
{
struct hfc_pci *hc = bch->hw;
@@ -724,7 +723,7 @@ hfcpci_fill_fifo(struct bchannel *bch)
struct bzfifo *bz;
u_char *bdata;
u_char new_f1, *src, *dst;
- unsigned short *z1t, *z2t;
+ __le16 *z1t, *z2t;
if ((bch->debug & DEBUG_HW_BCHANNEL) && !(bch->debug & DEBUG_HW_BFIFO))
printk(KERN_DEBUG "%s\n", __func__);
@@ -1679,7 +1678,7 @@ hfcpci_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb)
* called for card init message
*/
-void
+static void
inithfcpci(struct hfc_pci *hc)
{
printk(KERN_DEBUG "inithfcpci: entered\n");
@@ -1966,7 +1965,7 @@ setup_hw(struct hfc_pci *hc)
printk(KERN_WARNING "HFC-PCI: No IRQ for PCI card found\n");
return 1;
}
- hc->hw.pci_io = (char *)(ulong)hc->pdev->resource[1].start;
+ hc->hw.pci_io = (char __iomem *)(unsigned long)hc->pdev->resource[1].start;
if (!hc->hw.pci_io) {
printk(KERN_WARNING "HFC-PCI: No IO-Mem for PCI card found\n");
diff --git a/drivers/isdn/hisax/avma1_cs.c b/drivers/isdn/hisax/avma1_cs.c
index fc6cc2c065b8..23560c897ec3 100644
--- a/drivers/isdn/hisax/avma1_cs.c
+++ b/drivers/isdn/hisax/avma1_cs.c
@@ -174,38 +174,29 @@ static void avma1cs_detach(struct pcmcia_device *link)
======================================================================*/
-static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
+static int avma1cs_configcheck(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- int i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return pcmcia_parse_tuple(handle, tuple, parse);
+ if (cf->io.nwin <= 0)
+ return -ENODEV;
+
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ p_dev->io.NumPorts1 = cf->io.win[0].len;
+ p_dev->io.NumPorts2 = 0;
+ printk(KERN_INFO "avma1_cs: testing i/o %#x-%#x\n",
+ p_dev->io.BasePort1,
+ p_dev->io.BasePort1+p_dev->io.NumPorts1-1);
+ return pcmcia_request_io(p_dev, &p_dev->io);
}
-static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_first_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
-}
-
-static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_next_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
-}
static int avma1cs_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
local_info_t *dev;
int i;
- u_char buf[64];
char devname[128];
IsdnCard_t icard;
int busy = 0;
@@ -214,45 +205,19 @@ static int avma1cs_config(struct pcmcia_device *link)
DEBUG(0, "avma1cs_config(0x%p)\n", link);
- do {
- devname[0] = 0;
- if (link->prod_id[1])
- strlcpy(devname, link->prod_id[1], sizeof(devname));
+ devname[0] = 0;
+ if (link->prod_id[1])
+ strlcpy(devname, link->prod_id[1], sizeof(devname));
- /*
- * find IO port
- */
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- i = first_tuple(link, &tuple, &parse);
- while (i == CS_SUCCESS) {
- if (cf->io.nwin > 0) {
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- link->io.NumPorts1 = cf->io.win[0].len;
- link->io.NumPorts2 = 0;
- printk(KERN_INFO "avma1_cs: testing i/o %#x-%#x\n",
- link->io.BasePort1,
- link->io.BasePort1+link->io.NumPorts1 - 1);
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) goto found_port;
- }
- i = next_tuple(link, &tuple, &parse);
- }
+ if (pcmcia_loop_config(link, avma1cs_configcheck, NULL))
+ return -ENODEV;
-found_port:
- if (i != CS_SUCCESS) {
- cs_error(link, RequestIO, i);
- break;
- }
-
+ do {
/*
* allocate an interrupt line
*/
i = pcmcia_request_irq(link, &link->irq);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
cs_error(link, RequestIRQ, i);
/* undo */
pcmcia_disable_device(link);
@@ -263,7 +228,7 @@ found_port:
* configure the PCMCIA socket
*/
i = pcmcia_request_configuration(link, &link->conf);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
cs_error(link, RequestConfiguration, i);
pcmcia_disable_device(link);
break;
diff --git a/drivers/isdn/hisax/elsa_cs.c b/drivers/isdn/hisax/elsa_cs.c
index db7e64424afe..f4d0fe29bcf8 100644
--- a/drivers/isdn/hisax/elsa_cs.c
+++ b/drivers/isdn/hisax/elsa_cs.c
@@ -203,82 +203,55 @@ static void elsa_cs_detach(struct pcmcia_device *link)
device available to the system.
======================================================================*/
-static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return pcmcia_parse_tuple(handle, tuple, parse);
-}
-
-static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_first_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
-}
-static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
+static int elsa_cs_configcheck(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- int i = pcmcia_get_next_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
+ int j;
+
+ if ((cf->io.nwin > 0) && cf->io.win[0].base) {
+ printk(KERN_INFO "(elsa_cs: looks like the 96 model)\n");
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ } else {
+ printk(KERN_INFO "(elsa_cs: looks like the 97 model)\n");
+ for (j = 0x2f0; j > 0x100; j -= 0x10) {
+ p_dev->io.BasePort1 = j;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ }
+ return -ENODEV;
}
static int elsa_cs_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
local_info_t *dev;
- int i, j, last_fn;
- u_short buf[128];
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
+ int i, last_fn;
IsdnCard_t icard;
DEBUG(0, "elsa_config(0x%p)\n", link);
dev = link->priv;
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- i = first_tuple(link, &tuple, &parse);
- while (i == CS_SUCCESS) {
- if ( (cf->io.nwin > 0) && cf->io.win[0].base) {
- printk(KERN_INFO "(elsa_cs: looks like the 96 model)\n");
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) break;
- } else {
- printk(KERN_INFO "(elsa_cs: looks like the 97 model)\n");
- link->conf.ConfigIndex = cf->index;
- for (i = 0, j = 0x2f0; j > 0x100; j -= 0x10) {
- link->io.BasePort1 = j;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) break;
- }
- break;
- }
- i = next_tuple(link, &tuple, &parse);
- }
-
- if (i != CS_SUCCESS) {
+ i = pcmcia_loop_config(link, elsa_cs_configcheck, NULL);
+ if (i != 0) {
last_fn = RequestIO;
goto cs_failed;
}
i = pcmcia_request_irq(link, &link->irq);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
link->irq.AssignedIRQ = 0;
last_fn = RequestIRQ;
goto cs_failed;
}
i = pcmcia_request_configuration(link, &link->conf);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
last_fn = RequestConfiguration;
goto cs_failed;
}
diff --git a/drivers/isdn/hisax/sedlbauer_cs.c b/drivers/isdn/hisax/sedlbauer_cs.c
index 439cb530def8..9a3c9f5e4fe8 100644
--- a/drivers/isdn/hisax/sedlbauer_cs.c
+++ b/drivers/isdn/hisax/sedlbauer_cs.c
@@ -217,101 +217,61 @@ static void sedlbauer_detach(struct pcmcia_device *link)
#define CS_CHECK(fn, ret) \
do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
-static int sedlbauer_config(struct pcmcia_device *link)
+static int sedlbauer_config_check(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cfg,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- local_info_t *dev = link->priv;
- tuple_t tuple;
- cisparse_t parse;
- int last_fn, last_ret;
- u8 buf[64];
- config_info_t conf;
- win_req_t req;
- memreq_t map;
- IsdnCard_t icard;
-
- DEBUG(0, "sedlbauer_config(0x%p)\n", link);
-
- tuple.Attributes = 0;
- tuple.TupleData = buf;
- tuple.TupleDataMax = sizeof(buf);
- tuple.TupleOffset = 0;
+ win_req_t *req = priv_data;
- CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf));
+ if (cfg->index == 0)
+ return -ENODEV;
- /*
- In this loop, we scan the CIS for configuration table entries,
- each of which describes a valid card configuration, including
- voltage, IO window, memory window, and interrupt settings.
-
- We make no assumptions about the card to be configured: we use
- just the information available in the CIS. In an ideal world,
- this would work for any PCMCIA card, but it requires a complete
- and accurate CIS. In practice, a driver usually "knows" most of
- these things without consulting the CIS, and most client drivers
- will only use the CIS to fill in implementation-defined details.
- */
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
- while (1) {
- cistpl_cftable_entry_t dflt = { 0 };
- cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
- if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
- pcmcia_parse_tuple(link, &tuple, &parse) != 0)
- goto next_entry;
-
- if (cfg->flags & CISTPL_CFTABLE_DEFAULT) dflt = *cfg;
- if (cfg->index == 0) goto next_entry;
- link->conf.ConfigIndex = cfg->index;
-
/* Does this card need audio output? */
if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
- link->conf.Attributes |= CONF_ENABLE_SPKR;
- link->conf.Status = CCSR_AUDIO_ENA;
+ p_dev->conf.Attributes |= CONF_ENABLE_SPKR;
+ p_dev->conf.Status = CCSR_AUDIO_ENA;
}
-
+
/* Use power settings for Vcc and Vpp if present */
/* Note that the CIS values need to be rescaled */
if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
- if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
- goto next_entry;
- } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
- if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000)
- goto next_entry;
+ if (vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000)
+ return -ENODEV;
+ } else if (dflt->vcc.present & (1<<CISTPL_POWER_VNOM)) {
+ if (vcc != dflt->vcc.param[CISTPL_POWER_VNOM]/10000)
+ return -ENODEV;
}
-
+
if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
- link->conf.Vpp =
- cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
- else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
- link->conf.Vpp =
- dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
-
+ p_dev->conf.Vpp = cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
+ else if (dflt->vpp1.present & (1<<CISTPL_POWER_VNOM))
+ p_dev->conf.Vpp = dflt->vpp1.param[CISTPL_POWER_VNOM]/10000;
+
/* Do we need to allocate an interrupt? */
- if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
- link->conf.Attributes |= CONF_ENABLE_IRQ;
-
+ if (cfg->irq.IRQInfo1 || dflt->irq.IRQInfo1)
+ p_dev->conf.Attributes |= CONF_ENABLE_IRQ;
+
/* IO window settings */
- link->io.NumPorts1 = link->io.NumPorts2 = 0;
- if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
- cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
- if (!(io->flags & CISTPL_IO_8BIT))
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
- if (!(io->flags & CISTPL_IO_16BIT))
- link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
-/* new in dummy.cs 2001/01/28 MN
- link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
-*/
- link->io.BasePort1 = io->win[0].base;
- link->io.NumPorts1 = io->win[0].len;
- if (io->nwin > 1) {
- link->io.Attributes2 = link->io.Attributes1;
- link->io.BasePort2 = io->win[1].base;
- link->io.NumPorts2 = io->win[1].len;
- }
- /* This reserves IO space but doesn't actually enable it */
- if (pcmcia_request_io(link, &link->io) != 0)
- goto next_entry;
+ p_dev->io.NumPorts1 = p_dev->io.NumPorts2 = 0;
+ if ((cfg->io.nwin > 0) || (dflt->io.nwin > 0)) {
+ cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt->io;
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
+ if (!(io->flags & CISTPL_IO_8BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
+ if (!(io->flags & CISTPL_IO_16BIT))
+ p_dev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
+ p_dev->io.BasePort1 = io->win[0].base;
+ p_dev->io.NumPorts1 = io->win[0].len;
+ if (io->nwin > 1) {
+ p_dev->io.Attributes2 = p_dev->io.Attributes1;
+ p_dev->io.BasePort2 = io->win[1].base;
+ p_dev->io.NumPorts2 = io->win[1].len;
+ }
+ /* This reserves IO space but doesn't actually enable it */
+ if (pcmcia_request_io(p_dev, &p_dev->io) != 0)
+ return -ENODEV;
}
/*
@@ -325,30 +285,54 @@ static int sedlbauer_config(struct pcmcia_device *link)
needs to be mapped to virtual space with ioremap() before it
is used.
*/
- if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
- cistpl_mem_t *mem =
- (cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
- req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
- req.Attributes |= WIN_ENABLE;
- req.Base = mem->win[0].host_addr;
- req.Size = mem->win[0].len;
-/* new in dummy.cs 2001/01/28 MN
- if (req.Size < 0x1000)
- req.Size = 0x1000;
-*/
- req.AccessSpeed = 0;
- if (pcmcia_request_window(&link, &req, &link->win) != 0)
- goto next_entry;
- map.Page = 0; map.CardOffset = mem->win[0].card_addr;
- if (pcmcia_map_mem_page(link->win, &map) != 0)
- goto next_entry;
+ if ((cfg->mem.nwin > 0) || (dflt->mem.nwin > 0)) {
+ cistpl_mem_t *mem = (cfg->mem.nwin) ? &cfg->mem : &dflt->mem;
+ memreq_t map;
+ req->Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
+ req->Attributes |= WIN_ENABLE;
+ req->Base = mem->win[0].host_addr;
+ req->Size = mem->win[0].len;
+ req->AccessSpeed = 0;
+ if (pcmcia_request_window(&p_dev, req, &p_dev->win) != 0)
+ return -ENODEV;
+ map.Page = 0;
+ map.CardOffset = mem->win[0].card_addr;
+ if (pcmcia_map_mem_page(p_dev->win, &map) != 0)
+ return -ENODEV;
}
- /* If we got this far, we're cool! */
- break;
+ return 0;
+}
- next_entry:
- CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
- }
+
+
+static int sedlbauer_config(struct pcmcia_device *link)
+{
+ local_info_t *dev = link->priv;
+ win_req_t *req;
+ int last_fn, last_ret;
+ IsdnCard_t icard;
+
+ DEBUG(0, "sedlbauer_config(0x%p)\n", link);
+
+ req = kzalloc(sizeof(win_req_t), GFP_KERNEL);
+ if (!req)
+ return -ENOMEM;
+
+ /*
+ In this loop, we scan the CIS for configuration table entries,
+ each of which describes a valid card configuration, including
+ voltage, IO window, memory window, and interrupt settings.
+
+ We make no assumptions about the card to be configured: we use
+ just the information available in the CIS. In an ideal world,
+ this would work for any PCMCIA card, but it requires a complete
+ and accurate CIS. In practice, a driver usually "knows" most of
+ these things without consulting the CIS, and most client drivers
+ will only use the CIS to fill in implementation-defined details.
+ */
+ last_ret = pcmcia_loop_config(link, sedlbauer_config_check, req);
+ if (last_ret)
+ goto failed;
/*
Allocate an interrupt line. Note that this does not assign a
@@ -387,8 +371,8 @@ static int sedlbauer_config(struct pcmcia_device *link)
printk(" & 0x%04x-0x%04x", link->io.BasePort2,
link->io.BasePort2+link->io.NumPorts2-1);
if (link->win)
- printk(", mem 0x%06lx-0x%06lx", req.Base,
- req.Base+req.Size-1);
+ printk(", mem 0x%06lx-0x%06lx", req->Base,
+ req->Base+req->Size-1);
printk("\n");
icard.para[0] = link->irq.AssignedIRQ;
@@ -409,6 +393,7 @@ static int sedlbauer_config(struct pcmcia_device *link)
cs_failed:
cs_error(link, last_fn, last_ret);
+failed:
sedlbauer_release(link);
return -ENODEV;
diff --git a/drivers/isdn/hisax/teles_cs.c b/drivers/isdn/hisax/teles_cs.c
index ab4bd455450e..623d111544d4 100644
--- a/drivers/isdn/hisax/teles_cs.c
+++ b/drivers/isdn/hisax/teles_cs.c
@@ -193,82 +193,55 @@ static void teles_detach(struct pcmcia_device *link)
device available to the system.
======================================================================*/
-static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_tuple_data(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return pcmcia_parse_tuple(handle, tuple, parse);
-}
-
-static int first_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
-{
- int i = pcmcia_get_first_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
-}
-static int next_tuple(struct pcmcia_device *handle, tuple_t *tuple,
- cisparse_t *parse)
+static int teles_cs_configcheck(struct pcmcia_device *p_dev,
+ cistpl_cftable_entry_t *cf,
+ cistpl_cftable_entry_t *dflt,
+ unsigned int vcc,
+ void *priv_data)
{
- int i = pcmcia_get_next_tuple(handle, tuple);
- if (i != CS_SUCCESS) return i;
- return get_tuple(handle, tuple, parse);
+ int j;
+
+ if ((cf->io.nwin > 0) && cf->io.win[0].base) {
+ printk(KERN_INFO "(teles_cs: looks like the 96 model)\n");
+ p_dev->io.BasePort1 = cf->io.win[0].base;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ } else {
+ printk(KERN_INFO "(teles_cs: looks like the 97 model)\n");
+ for (j = 0x2f0; j > 0x100; j -= 0x10) {
+ p_dev->io.BasePort1 = j;
+ if (!pcmcia_request_io(p_dev, &p_dev->io))
+ return 0;
+ }
+ }
+ return -ENODEV;
}
static int teles_cs_config(struct pcmcia_device *link)
{
- tuple_t tuple;
- cisparse_t parse;
local_info_t *dev;
- int i, j, last_fn;
- u_short buf[128];
- cistpl_cftable_entry_t *cf = &parse.cftable_entry;
+ int i, last_fn;
IsdnCard_t icard;
DEBUG(0, "teles_config(0x%p)\n", link);
dev = link->priv;
- tuple.TupleData = (cisdata_t *)buf;
- tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
- tuple.Attributes = 0;
- tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
- i = first_tuple(link, &tuple, &parse);
- while (i == CS_SUCCESS) {
- if ( (cf->io.nwin > 0) && cf->io.win[0].base) {
- printk(KERN_INFO "(teles_cs: looks like the 96 model)\n");
- link->conf.ConfigIndex = cf->index;
- link->io.BasePort1 = cf->io.win[0].base;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) break;
- } else {
- printk(KERN_INFO "(teles_cs: looks like the 97 model)\n");
- link->conf.ConfigIndex = cf->index;
- for (i = 0, j = 0x2f0; j > 0x100; j -= 0x10) {
- link->io.BasePort1 = j;
- i = pcmcia_request_io(link, &link->io);
- if (i == CS_SUCCESS) break;
- }
- break;
- }
- i = next_tuple(link, &tuple, &parse);
- }
-
- if (i != CS_SUCCESS) {
+ i = pcmcia_loop_config(link, teles_cs_configcheck, NULL);
+ if (i != 0) {
last_fn = RequestIO;
goto cs_failed;
}
i = pcmcia_request_irq(link, &link->irq);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
link->irq.AssignedIRQ = 0;
last_fn = RequestIRQ;
goto cs_failed;
}
i = pcmcia_request_configuration(link, &link->conf);
- if (i != CS_SUCCESS) {
+ if (i != 0) {
last_fn = RequestConfiguration;
goto cs_failed;
}
diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c
index 127cfdad68e7..77c280ef2eb6 100644
--- a/drivers/isdn/i4l/isdn_ppp.c
+++ b/drivers/isdn/i4l/isdn_ppp.c
@@ -1533,8 +1533,10 @@ static int isdn_ppp_mp_bundle_array_init(void)
int sz = ISDN_MAX_CHANNELS*sizeof(ippp_bundle);
if( (isdn_ppp_bundle_arr = kzalloc(sz, GFP_KERNEL)) == NULL )
return -ENOMEM;
- for( i = 0; i < ISDN_MAX_CHANNELS; i++ )
+ for (i = 0; i < ISDN_MAX_CHANNELS; i++) {
spin_lock_init(&isdn_ppp_bundle_arr[i].lock);
+ skb_queue_head_init(&isdn_ppp_bundle_arr[i].frags);
+ }
return 0;
}
@@ -1567,7 +1569,7 @@ static int isdn_ppp_mp_init( isdn_net_local * lp, ippp_bundle * add_to )
if ((lp->netdev->pb = isdn_ppp_mp_bundle_alloc()) == NULL)
return -ENOMEM;
lp->next = lp->last = lp; /* nobody else in a queue */
- lp->netdev->pb->frags = NULL;
+ skb_queue_head_init(&lp->netdev->pb->frags);
lp->netdev->pb->frames = 0;
lp->netdev->pb->seq = UINT_MAX;
}
@@ -1579,28 +1581,29 @@ static int isdn_ppp_mp_init( isdn_net_local * lp, ippp_bundle * add_to )
static u32 isdn_ppp_mp_get_seq( int short_seq,
struct sk_buff * skb, u32 last_seq );
-static struct sk_buff * isdn_ppp_mp_discard( ippp_bundle * mp,
- struct sk_buff * from, struct sk_buff * to );
-static void isdn_ppp_mp_reassembly( isdn_net_dev * net_dev, isdn_net_local * lp,
- struct sk_buff * from, struct sk_buff * to );
-static void isdn_ppp_mp_free_skb( ippp_bundle * mp, struct sk_buff * skb );
+static void isdn_ppp_mp_discard(ippp_bundle *mp, struct sk_buff *from,
+ struct sk_buff *to);
+static void isdn_ppp_mp_reassembly(isdn_net_dev *net_dev, isdn_net_local *lp,
+ struct sk_buff *from, struct sk_buff *to,
+ u32 lastseq);
+static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb);
static void isdn_ppp_mp_print_recv_pkt( int slot, struct sk_buff * skb );
static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
- struct sk_buff *skb)
+ struct sk_buff *skb)
{
- struct ippp_struct *is;
- isdn_net_local * lpq;
- ippp_bundle * mp;
- isdn_mppp_stats * stats;
- struct sk_buff * newfrag, * frag, * start, *nextf;
+ struct sk_buff *newfrag, *frag, *start, *nextf;
u32 newseq, minseq, thisseq;
+ isdn_mppp_stats *stats;
+ struct ippp_struct *is;
unsigned long flags;
+ isdn_net_local *lpq;
+ ippp_bundle *mp;
int slot;
spin_lock_irqsave(&net_dev->pb->lock, flags);
- mp = net_dev->pb;
- stats = &mp->stats;
+ mp = net_dev->pb;
+ stats = &mp->stats;
slot = lp->ppp_slot;
if (slot < 0 || slot >= ISDN_MAX_CHANNELS) {
printk(KERN_ERR "%s: lp->ppp_slot(%d)\n",
@@ -1611,20 +1614,19 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
return;
}
is = ippp_table[slot];
- if( ++mp->frames > stats->max_queue_len )
+ if (++mp->frames > stats->max_queue_len)
stats->max_queue_len = mp->frames;
-
+
if (is->debug & 0x8)
isdn_ppp_mp_print_recv_pkt(lp->ppp_slot, skb);
- newseq = isdn_ppp_mp_get_seq(is->mpppcfg & SC_IN_SHORT_SEQ,
- skb, is->last_link_seqno);
-
+ newseq = isdn_ppp_mp_get_seq(is->mpppcfg & SC_IN_SHORT_SEQ,
+ skb, is->last_link_seqno);
/* if this packet seq # is less than last already processed one,
* toss it right away, but check for sequence start case first
*/
- if( mp->seq > MP_LONGSEQ_MAX && (newseq & MP_LONGSEQ_MAXBIT) ) {
+ if (mp->seq > MP_LONGSEQ_MAX && (newseq & MP_LONGSEQ_MAXBIT)) {
mp->seq = newseq; /* the first packet: required for
* rfc1990 non-compliant clients --
* prevents constant packet toss */
@@ -1634,7 +1636,7 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
spin_unlock_irqrestore(&mp->lock, flags);
return;
}
-
+
/* find the minimum received sequence number over all links */
is->last_link_seqno = minseq = newseq;
for (lpq = net_dev->queue;;) {
@@ -1655,22 +1657,31 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
* packets */
newfrag = skb;
- /* if this new fragment is before the first one, then enqueue it now. */
- if ((frag = mp->frags) == NULL || MP_LT(newseq, MP_SEQ(frag))) {
- newfrag->next = frag;
- mp->frags = frag = newfrag;
- newfrag = NULL;
- }
+ /* Insert new fragment into the proper sequence slot. */
+ skb_queue_walk(&mp->frags, frag) {
+ if (MP_SEQ(frag) == newseq) {
+ isdn_ppp_mp_free_skb(mp, newfrag);
+ newfrag = NULL;
+ break;
+ }
+ if (MP_LT(newseq, MP_SEQ(frag))) {
+ __skb_queue_before(&mp->frags, frag, newfrag);
+ newfrag = NULL;
+ break;
+ }
+ }
+ if (newfrag)
+ __skb_queue_tail(&mp->frags, newfrag);
- start = MP_FLAGS(frag) & MP_BEGIN_FRAG &&
- MP_SEQ(frag) == mp->seq ? frag : NULL;
+ frag = skb_peek(&mp->frags);
+ start = ((MP_FLAGS(frag) & MP_BEGIN_FRAG) &&
+ (MP_SEQ(frag) == mp->seq)) ? frag : NULL;
+ if (!start)
+ goto check_overflow;
- /*
- * main fragment traversing loop
+ /* main fragment traversing loop
*
* try to accomplish several tasks:
- * - insert new fragment into the proper sequence slot (once that's done
- * newfrag will be set to NULL)
* - reassemble any complete fragment sequence (non-null 'start'
* indicates there is a continguous sequence present)
* - discard any incomplete sequences that are below minseq -- due
@@ -1679,71 +1690,46 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
* come to complete such sequence and it should be discarded
*
* loop completes when we accomplished the following tasks:
- * - new fragment is inserted in the proper sequence ('newfrag' is
- * set to NULL)
* - we hit a gap in the sequence, so no reassembly/processing is
* possible ('start' would be set to NULL)
*
* algorithm for this code is derived from code in the book
* 'PPP Design And Debugging' by James Carlson (Addison-Wesley)
*/
- while (start != NULL || newfrag != NULL) {
-
- thisseq = MP_SEQ(frag);
- nextf = frag->next;
-
- /* drop any duplicate fragments */
- if (newfrag != NULL && thisseq == newseq) {
- isdn_ppp_mp_free_skb(mp, newfrag);
- newfrag = NULL;
- }
-
- /* insert new fragment before next element if possible. */
- if (newfrag != NULL && (nextf == NULL ||
- MP_LT(newseq, MP_SEQ(nextf)))) {
- newfrag->next = nextf;
- frag->next = nextf = newfrag;
- newfrag = NULL;
- }
-
- if (start != NULL) {
- /* check for misplaced start */
- if (start != frag && (MP_FLAGS(frag) & MP_BEGIN_FRAG)) {
- printk(KERN_WARNING"isdn_mppp(seq %d): new "
- "BEGIN flag with no prior END", thisseq);
- stats->seqerrs++;
- stats->frame_drops++;
- start = isdn_ppp_mp_discard(mp, start,frag);
- nextf = frag->next;
- }
- } else if (MP_LE(thisseq, minseq)) {
- if (MP_FLAGS(frag) & MP_BEGIN_FRAG)
+ skb_queue_walk_safe(&mp->frags, frag, nextf) {
+ thisseq = MP_SEQ(frag);
+
+ /* check for misplaced start */
+ if (start != frag && (MP_FLAGS(frag) & MP_BEGIN_FRAG)) {
+ printk(KERN_WARNING"isdn_mppp(seq %d): new "
+ "BEGIN flag with no prior END", thisseq);
+ stats->seqerrs++;
+ stats->frame_drops++;
+ isdn_ppp_mp_discard(mp, start, frag);
+ start = frag;
+ } else if (MP_LE(thisseq, minseq)) {
+ if (MP_FLAGS(frag) & MP_BEGIN_FRAG)
start = frag;
- else {
+ else {
if (MP_FLAGS(frag) & MP_END_FRAG)
- stats->frame_drops++;
- if( mp->frags == frag )
- mp->frags = nextf;
+ stats->frame_drops++;
+ __skb_unlink(skb, &mp->frags);
isdn_ppp_mp_free_skb(mp, frag);
- frag = nextf;
continue;
- }
+ }
}
-
- /* if start is non-null and we have end fragment, then
- * we have full reassembly sequence -- reassemble
- * and process packet now
+
+ /* if we have end fragment, then we have full reassembly
+ * sequence -- reassemble and process packet now
*/
- if (start != NULL && (MP_FLAGS(frag) & MP_END_FRAG)) {
- minseq = mp->seq = (thisseq+1) & MP_LONGSEQ_MASK;
- /* Reassemble the packet then dispatch it */
- isdn_ppp_mp_reassembly(net_dev, lp, start, nextf);
-
- start = NULL;
- frag = NULL;
+ if (MP_FLAGS(frag) & MP_END_FRAG) {
+ minseq = mp->seq = (thisseq+1) & MP_LONGSEQ_MASK;
+ /* Reassemble the packet then dispatch it */
+ isdn_ppp_mp_reassembly(net_dev, lp, start, frag, thisseq);
- mp->frags = nextf;
- }
+ start = NULL;
+ frag = NULL;
+ }
/* check if need to update start pointer: if we just
* reassembled the packet and sequence is contiguous
@@ -1754,26 +1740,25 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
* below low watermark and set start to the next frag or
* clear start ptr.
*/
- if (nextf != NULL &&
+ if (nextf != (struct sk_buff *)&mp->frags &&
((thisseq+1) & MP_LONGSEQ_MASK) == MP_SEQ(nextf)) {
- /* if we just reassembled and the next one is here,
- * then start another reassembly. */
-
- if (frag == NULL) {
+ /* if we just reassembled and the next one is here,
+ * then start another reassembly.
+ */
+ if (frag == NULL) {
if (MP_FLAGS(nextf) & MP_BEGIN_FRAG)
- start = nextf;
- else
- {
- printk(KERN_WARNING"isdn_mppp(seq %d):"
- " END flag with no following "
- "BEGIN", thisseq);
+ start = nextf;
+ else {
+ printk(KERN_WARNING"isdn_mppp(seq %d):"
+ " END flag with no following "
+ "BEGIN", thisseq);
stats->seqerrs++;
}
}
-
- } else {
- if ( nextf != NULL && frag != NULL &&
- MP_LT(thisseq, minseq)) {
+ } else {
+ if (nextf != (struct sk_buff *)&mp->frags &&
+ frag != NULL &&
+ MP_LT(thisseq, minseq)) {
/* we've got a break in the sequence
* and we not at the end yet
* and we did not just reassembled
@@ -1782,41 +1767,39 @@ static void isdn_ppp_mp_receive(isdn_net_dev * net_dev, isdn_net_local * lp,
* discard all the frames below low watermark
* and start over */
stats->frame_drops++;
- mp->frags = isdn_ppp_mp_discard(mp,start,nextf);
+ isdn_ppp_mp_discard(mp, start, nextf);
}
/* break in the sequence, no reassembly */
- start = NULL;
- }
-
- frag = nextf;
- } /* while -- main loop */
-
- if (mp->frags == NULL)
- mp->frags = frag;
-
+ start = NULL;
+ }
+ if (!start)
+ break;
+ }
+
+check_overflow:
/* rather straighforward way to deal with (not very) possible
- * queue overflow */
+ * queue overflow
+ */
if (mp->frames > MP_MAX_QUEUE_LEN) {
stats->overflows++;
- while (mp->frames > MP_MAX_QUEUE_LEN) {
- frag = mp->frags->next;
- isdn_ppp_mp_free_skb(mp, mp->frags);
- mp->frags = frag;
+ skb_queue_walk_safe(&mp->frags, frag, nextf) {
+ if (mp->frames <= MP_MAX_QUEUE_LEN)
+ break;
+ __skb_unlink(frag, &mp->frags);
+ isdn_ppp_mp_free_skb(mp, frag);
}
}
spin_unlock_irqrestore(&mp->lock, flags);
}
-static void isdn_ppp_mp_cleanup( isdn_net_local * lp )
+static void isdn_ppp_mp_cleanup(isdn_net_local *lp)
{
- struct sk_buff * frag = lp->netdev->pb->frags;
- struct sk_buff * nextfrag;
- while( frag ) {
- nextfrag = frag->next;
- isdn_ppp_mp_free_skb(lp->netdev->pb, frag);
- frag = nextfrag;
- }
- lp->netdev->pb->frags = NULL;
+ struct sk_buff *skb, *tmp;
+
+ skb_queue_walk_safe(&lp->netdev->pb->frags, skb, tmp) {
+ __skb_unlink(skb, &lp->netdev->pb->frags);
+ isdn_ppp_mp_free_skb(lp->netdev->pb, skb);
+ }
}
static u32 isdn_ppp_mp_get_seq( int short_seq,
@@ -1853,72 +1836,115 @@ static u32 isdn_ppp_mp_get_seq( int short_seq,
return seq;
}
-struct sk_buff * isdn_ppp_mp_discard( ippp_bundle * mp,
- struct sk_buff * from, struct sk_buff * to )
+static void isdn_ppp_mp_discard(ippp_bundle *mp, struct sk_buff *from,
+ struct sk_buff *to)
{
- if( from )
- while (from != to) {
- struct sk_buff * next = from->next;
- isdn_ppp_mp_free_skb(mp, from);
- from = next;
+ if (from) {
+ struct sk_buff *skb, *tmp;
+ int freeing = 0;
+
+ skb_queue_walk_safe(&mp->frags, skb, tmp) {
+ if (skb == to)
+ break;
+ if (skb == from)
+ freeing = 1;
+ if (!freeing)
+ continue;
+ __skb_unlink(skb, &mp->frags);
+ isdn_ppp_mp_free_skb(mp, skb);
}
- return from;
+ }
}
-void isdn_ppp_mp_reassembly( isdn_net_dev * net_dev, isdn_net_local * lp,
- struct sk_buff * from, struct sk_buff * to )
+static unsigned int calc_tot_len(struct sk_buff_head *queue,
+ struct sk_buff *from, struct sk_buff *to)
{
- ippp_bundle * mp = net_dev->pb;
- int proto;
- struct sk_buff * skb;
+ unsigned int tot_len = 0;
+ struct sk_buff *skb;
+ int found_start = 0;
+
+ skb_queue_walk(queue, skb) {
+ if (skb == from)
+ found_start = 1;
+ if (!found_start)
+ continue;
+ tot_len += skb->len - MP_HEADER_LEN;
+ if (skb == to)
+ break;
+ }
+ return tot_len;
+}
+
+/* Reassemble packet using fragments in the reassembly queue from
+ * 'from' until 'to', inclusive.
+ */
+static void isdn_ppp_mp_reassembly(isdn_net_dev *net_dev, isdn_net_local *lp,
+ struct sk_buff *from, struct sk_buff *to,
+ u32 lastseq)
+{
+ ippp_bundle *mp = net_dev->pb;
unsigned int tot_len;
+ struct sk_buff *skb;
+ int proto;
if (lp->ppp_slot < 0 || lp->ppp_slot >= ISDN_MAX_CHANNELS) {
printk(KERN_ERR "%s: lp->ppp_slot(%d) out of range\n",
__func__, lp->ppp_slot);
return;
}
- if( MP_FLAGS(from) == (MP_BEGIN_FRAG | MP_END_FRAG) ) {
- if( ippp_table[lp->ppp_slot]->debug & 0x40 )
+
+ tot_len = calc_tot_len(&mp->frags, from, to);
+
+ if (MP_FLAGS(from) == (MP_BEGIN_FRAG | MP_END_FRAG)) {
+ if (ippp_table[lp->ppp_slot]->debug & 0x40)
printk(KERN_DEBUG "isdn_mppp: reassembly: frame %d, "
- "len %d\n", MP_SEQ(from), from->len );
+ "len %d\n", MP_SEQ(from), from->len);
skb = from;
skb_pull(skb, MP_HEADER_LEN);
+ __skb_unlink(skb, &mp->frags);
mp->frames--;
} else {
- struct sk_buff * frag;
- int n;
+ struct sk_buff *walk, *tmp;
+ int found_start = 0;
- for(tot_len=n=0, frag=from; frag != to; frag=frag->next, n++)
- tot_len += frag->len - MP_HEADER_LEN;
-
- if( ippp_table[lp->ppp_slot]->debug & 0x40 )
+ if (ippp_table[lp->ppp_slot]->debug & 0x40)
printk(KERN_DEBUG"isdn_mppp: reassembling frames %d "
- "to %d, len %d\n", MP_SEQ(from),
- (MP_SEQ(from)+n-1) & MP_LONGSEQ_MASK, tot_len );
- if( (skb = dev_alloc_skb(tot_len)) == NULL ) {
+ "to %d, len %d\n", MP_SEQ(from), lastseq,
+ tot_len);
+
+ skb = dev_alloc_skb(tot_len);
+ if (!skb)
printk(KERN_ERR "isdn_mppp: cannot allocate sk buff "
- "of size %d\n", tot_len);
- isdn_ppp_mp_discard(mp, from, to);
- return;
- }
+ "of size %d\n", tot_len);
+
+ found_start = 0;
+ skb_queue_walk_safe(&mp->frags, walk, tmp) {
+ if (walk == from)
+ found_start = 1;
+ if (!found_start)
+ continue;
- while( from != to ) {
- unsigned int len = from->len - MP_HEADER_LEN;
+ if (skb) {
+ unsigned int len = walk->len - MP_HEADER_LEN;
+ skb_copy_from_linear_data_offset(walk, MP_HEADER_LEN,
+ skb_put(skb, len),
+ len);
+ }
+ __skb_unlink(walk, &mp->frags);
+ isdn_ppp_mp_free_skb(mp, walk);
- skb_copy_from_linear_data_offset(from, MP_HEADER_LEN,
- skb_put(skb,len),
- len);
- frag = from->next;
- isdn_ppp_mp_free_skb(mp, from);
- from = frag;
+ if (walk == to)
+ break;
}
}
+ if (!skb)
+ return;
+
proto = isdn_ppp_strip_proto(skb);
isdn_ppp_push_higher(net_dev, lp, skb, proto);
}
-static void isdn_ppp_mp_free_skb(ippp_bundle * mp, struct sk_buff * skb)
+static void isdn_ppp_mp_free_skb(ippp_bundle *mp, struct sk_buff *skb)
{
dev_kfree_skb(skb);
mp->frames--;
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index e92b1ba4b45e..c2f51cc50760 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -452,10 +452,10 @@ one_member:
if (finddsp->features.pcm_id == dsp->features.pcm_id) {
if (finddsp->pcm_slot_rx >= 0 &&
finddsp->pcm_slot_rx < sizeof(freeslots))
- freeslots[finddsp->pcm_slot_tx] = 0;
+ freeslots[finddsp->pcm_slot_rx] = 0;
if (finddsp->pcm_slot_tx >= 0 &&
finddsp->pcm_slot_tx < sizeof(freeslots))
- freeslots[finddsp->pcm_slot_rx] = 0;
+ freeslots[finddsp->pcm_slot_tx] = 0;
}
}
i = 0;
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index b5fabc7019d8..875fabe16e36 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -61,7 +61,7 @@ mISDN_open(struct inode *ino, struct file *filep)
init_waitqueue_head(&dev->wait);
filep->private_data = dev;
__module_get(THIS_MODULE);
- return 0;
+ return nonseekable_open(ino, filep);
}
static int
@@ -124,18 +124,6 @@ mISDN_read(struct file *filep, char *buf, size_t count, loff_t *off)
return ret;
}
-static loff_t
-mISDN_llseek(struct file *filep, loff_t offset, int orig)
-{
- return -ESPIPE;
-}
-
-static ssize_t
-mISDN_write(struct file *filep, const char *buf, size_t count, loff_t *off)
-{
- return -EOPNOTSUPP;
-}
-
static unsigned int
mISDN_poll(struct file *filep, poll_table *wait)
{
@@ -157,8 +145,9 @@ mISDN_poll(struct file *filep, poll_table *wait)
}
static void
-dev_expire_timer(struct mISDNtimer *timer)
+dev_expire_timer(unsigned long data)
{
+ struct mISDNtimer *timer = (void *)data;
u_long flags;
spin_lock_irqsave(&timer->dev->lock, flags);
@@ -191,7 +180,7 @@ misdn_add_timer(struct mISDNtimerdev *dev, int timeout)
spin_unlock_irqrestore(&dev->lock, flags);
timer->dev = dev;
timer->tl.data = (long)timer;
- timer->tl.function = (void *) dev_expire_timer;
+ timer->tl.function = dev_expire_timer;
init_timer(&timer->tl);
timer->tl.expires = jiffies + ((HZ * (u_long)timeout) / 1000);
add_timer(&timer->tl);
@@ -211,6 +200,9 @@ misdn_del_timer(struct mISDNtimerdev *dev, int id)
list_for_each_entry(timer, &dev->pending, list) {
if (timer->id == id) {
list_del_init(&timer->list);
+ /* RED-PEN AK: race -- timer can be still running on
+ * other CPU. Needs reference count I think
+ */
del_timer(&timer->tl);
ret = timer->id;
kfree(timer);
@@ -268,9 +260,7 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
}
static struct file_operations mISDN_fops = {
- .llseek = mISDN_llseek,
.read = mISDN_read,
- .write = mISDN_write,
.poll = mISDN_poll,
.ioctl = mISDN_ioctl,
.open = mISDN_open,
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-05 00:42:30 +0000