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path: root/drivers/isdn/gigaset
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-rw-r--r--drivers/isdn/gigaset/asyncdata.c6
-rw-r--r--drivers/isdn/gigaset/bas-gigaset.c18
-rw-r--r--drivers/isdn/gigaset/capi.c106
-rw-r--r--drivers/isdn/gigaset/common.c49
-rw-r--r--drivers/isdn/gigaset/ev-layer.c63
-rw-r--r--drivers/isdn/gigaset/gigaset.h11
-rw-r--r--drivers/isdn/gigaset/i4l.c52
-rw-r--r--drivers/isdn/gigaset/interface.c12
-rw-r--r--drivers/isdn/gigaset/isocdata.c44
-rw-r--r--drivers/isdn/gigaset/proc.c2
-rw-r--r--drivers/isdn/gigaset/usb-gigaset.c2
11 files changed, 149 insertions, 216 deletions
diff --git a/drivers/isdn/gigaset/asyncdata.c b/drivers/isdn/gigaset/asyncdata.c
index ccb2a7b7c41d..c5016bd2d94f 100644
--- a/drivers/isdn/gigaset/asyncdata.c
+++ b/drivers/isdn/gigaset/asyncdata.c
@@ -40,6 +40,8 @@ static inline int muststuff(unsigned char c)
* Append received bytes to the command response buffer and forward them
* line by line to the response handler. Exit whenever a mode/state change
* might have occurred.
+ * Note: Received lines may be terminated by CR, LF, or CR LF, which will be
+ * removed before passing the line to the response handler.
* Return value:
* number of processed bytes
*/
@@ -65,14 +67,14 @@ static unsigned cmd_loop(unsigned numbytes, struct inbuf_t *inbuf)
/* --v-- fall through --v-- */
case '\r':
/* end of message line, pass to response handler */
- gig_dbg(DEBUG_TRANSCMD, "%s: End of Message (%d Bytes)",
- __func__, cbytes);
if (cbytes >= MAX_RESP_SIZE) {
dev_warn(cs->dev, "response too large (%d)\n",
cbytes);
cbytes = MAX_RESP_SIZE;
}
cs->cbytes = cbytes;
+ gigaset_dbg_buffer(DEBUG_TRANSCMD, "received response",
+ cbytes, cs->respdata);
gigaset_handle_modem_response(cs);
cbytes = 0;
diff --git a/drivers/isdn/gigaset/bas-gigaset.c b/drivers/isdn/gigaset/bas-gigaset.c
index 95ebc5129895..0be15c70c16d 100644
--- a/drivers/isdn/gigaset/bas-gigaset.c
+++ b/drivers/isdn/gigaset/bas-gigaset.c
@@ -347,12 +347,7 @@ static inline void error_hangup(struct bc_state *bcs)
{
struct cardstate *cs = bcs->cs;
- gig_dbg(DEBUG_ANY, "%s: scheduling HUP for channel %d",
- __func__, bcs->channel);
-
- if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL))
- dev_err(cs->dev, "event queue full\n");
-
+ gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL);
gigaset_schedule_event(cs);
}
@@ -1706,8 +1701,7 @@ static void complete_cb(struct cardstate *cs)
/* unqueue completed buffer */
cs->cmdbytes -= cs->curlen;
- gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD,
- "write_command: sent %u bytes, %u left",
+ gig_dbg(DEBUG_OUTPUT, "write_command: sent %u bytes, %u left",
cs->curlen, cs->cmdbytes);
if (cb->next != NULL) {
cs->cmdbuf = cb->next;
@@ -1881,13 +1875,13 @@ static int start_cbsend(struct cardstate *cs)
/* check if suspend requested */
if (ucs->basstate & BS_SUSPEND) {
- gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "suspending");
+ gig_dbg(DEBUG_OUTPUT, "suspending");
return -EHOSTUNREACH;
}
/* check if AT channel is open */
if (!(ucs->basstate & BS_ATOPEN)) {
- gig_dbg(DEBUG_TRANSCMD|DEBUG_LOCKCMD, "AT channel not open");
+ gig_dbg(DEBUG_OUTPUT, "AT channel not open");
rc = req_submit(cs->bcs, HD_OPEN_ATCHANNEL, 0, BAS_TIMEOUT);
if (rc < 0) {
/* flush command queue */
@@ -2251,7 +2245,7 @@ static int gigaset_probe(struct usb_interface *interface,
int i, j;
int rc;
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_INIT,
"%s: Check if device matches .. (Vendor: 0x%x, Product: 0x%x)",
__func__, le16_to_cpu(udev->descriptor.idVendor),
le16_to_cpu(udev->descriptor.idProduct));
@@ -2259,7 +2253,7 @@ static int gigaset_probe(struct usb_interface *interface,
/* set required alternate setting */
hostif = interface->cur_altsetting;
if (hostif->desc.bAlternateSetting != 3) {
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_INIT,
"%s: wrong alternate setting %d - trying to switch",
__func__, hostif->desc.bAlternateSetting);
if (usb_set_interface(udev, hostif->desc.bInterfaceNumber, 3)
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c
index 3f5cd06af104..6643d6533ccb 100644
--- a/drivers/isdn/gigaset/capi.c
+++ b/drivers/isdn/gigaset/capi.c
@@ -13,6 +13,8 @@
#include "gigaset.h"
#include <linux/ctype.h>
+#include <linux/proc_fs.h>
+#include <linux/seq_file.h>
#include <linux/isdn/capilli.h>
#include <linux/isdn/capicmd.h>
#include <linux/isdn/capiutil.h>
@@ -169,20 +171,6 @@ static inline void ignore_cstruct_param(struct cardstate *cs, _cstruct param,
}
/*
- * check for legal hex digit
- */
-static inline int ishexdigit(char c)
-{
- if (c >= '0' && c <= '9')
- return 1;
- if (c >= 'A' && c <= 'F')
- return 1;
- if (c >= 'a' && c <= 'f')
- return 1;
- return 0;
-}
-
-/*
* convert hex to binary
*/
static inline u8 hex2bin(char c)
@@ -202,7 +190,7 @@ static int encode_ie(char *in, u8 *out, int maxlen)
{
int l = 0;
while (*in) {
- if (!ishexdigit(in[0]) || !ishexdigit(in[1]) || l >= maxlen)
+ if (!isxdigit(in[0]) || !isxdigit(in[1]) || l >= maxlen)
return -1;
out[++l] = (hex2bin(in[0]) << 4) + hex2bin(in[1]);
in += 2;
@@ -1425,9 +1413,10 @@ static void do_connect_req(struct gigaset_capi_ctr *iif,
/* queue & schedule EV_DIAL event */
if (!gigaset_add_event(cs, &bcs->at_state, EV_DIAL, commands,
- bcs->at_state.seq_index, NULL))
- goto oom;
- gig_dbg(DEBUG_CMD, "scheduling DIAL");
+ bcs->at_state.seq_index, NULL)) {
+ info = CAPI_MSGOSRESOURCEERR;
+ goto error;
+ }
gigaset_schedule_event(cs);
ap->connected = APCONN_SETUP;
send_conf(iif, ap, skb, CapiSuccess);
@@ -1541,7 +1530,6 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
EV_ACCEPT, NULL, 0, NULL))
return;
- gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
gigaset_schedule_event(cs);
return;
@@ -1582,7 +1570,6 @@ static void do_connect_resp(struct gigaset_capi_ctr *iif,
if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
EV_HUP, NULL, 0, NULL))
return;
- gig_dbg(DEBUG_CMD, "scheduling HUP");
gigaset_schedule_event(cs);
return;
}
@@ -1665,11 +1652,9 @@ static void do_connect_b3_resp(struct gigaset_capi_ctr *iif,
/* trigger hangup, causing eventual DISCONNECT_IND */
if (!gigaset_add_event(cs, &bcs->at_state,
EV_HUP, NULL, 0, NULL)) {
- dev_err(cs->dev, "%s: out of memory\n", __func__);
dev_kfree_skb_any(skb);
return;
}
- gig_dbg(DEBUG_CMD, "scheduling HUP");
gigaset_schedule_event(cs);
/* emit DISCONNECT_B3_IND */
@@ -1768,11 +1753,9 @@ static void do_disconnect_req(struct gigaset_capi_ctr *iif,
/* trigger hangup, causing eventual DISCONNECT_IND */
if (!gigaset_add_event(cs, &bcs->at_state, EV_HUP, NULL, 0, NULL)) {
- dev_err(cs->dev, "%s: out of memory\n", __func__);
send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
return;
}
- gig_dbg(DEBUG_CMD, "scheduling HUP");
gigaset_schedule_event(cs);
/* emit reply */
@@ -1815,11 +1798,9 @@ static void do_disconnect_b3_req(struct gigaset_capi_ctr *iif,
/* trigger hangup, causing eventual DISCONNECT_B3_IND */
if (!gigaset_add_event(cs, &cs->bcs[channel-1].at_state,
EV_HUP, NULL, 0, NULL)) {
- dev_err(cs->dev, "%s: out of memory\n", __func__);
send_conf(iif, ap, skb, CAPI_MSGOSRESOURCEERR);
return;
}
- gig_dbg(DEBUG_CMD, "scheduling HUP");
gigaset_schedule_event(cs);
/* NCPI parameter: not applicable for B3 Transparent */
@@ -2106,35 +2087,22 @@ static char *gigaset_procinfo(struct capi_ctr *ctr)
return ctr->name; /* ToDo: more? */
}
-/**
- * gigaset_ctr_read_proc() - build controller proc file entry
- * @page: buffer of PAGE_SIZE bytes for receiving the entry.
- * @start: unused.
- * @off: unused.
- * @count: unused.
- * @eof: unused.
- * @ctr: controller descriptor structure.
- *
- * Return value: length of generated entry
- */
-static int gigaset_ctr_read_proc(char *page, char **start, off_t off,
- int count, int *eof, struct capi_ctr *ctr)
+static int gigaset_proc_show(struct seq_file *m, void *v)
{
+ struct capi_ctr *ctr = m->private;
struct cardstate *cs = ctr->driverdata;
char *s;
int i;
- int len = 0;
- len += sprintf(page+len, "%-16s %s\n", "name", ctr->name);
- len += sprintf(page+len, "%-16s %s %s\n", "dev",
+
+ seq_printf(m, "%-16s %s\n", "name", ctr->name);
+ seq_printf(m, "%-16s %s %s\n", "dev",
dev_driver_string(cs->dev), dev_name(cs->dev));
- len += sprintf(page+len, "%-16s %d\n", "id", cs->myid);
+ seq_printf(m, "%-16s %d\n", "id", cs->myid);
if (cs->gotfwver)
- len += sprintf(page+len, "%-16s %d.%d.%d.%d\n", "firmware",
+ seq_printf(m, "%-16s %d.%d.%d.%d\n", "firmware",
cs->fwver[0], cs->fwver[1], cs->fwver[2], cs->fwver[3]);
- len += sprintf(page+len, "%-16s %d\n", "channels",
- cs->channels);
- len += sprintf(page+len, "%-16s %s\n", "onechannel",
- cs->onechannel ? "yes" : "no");
+ seq_printf(m, "%-16s %d\n", "channels", cs->channels);
+ seq_printf(m, "%-16s %s\n", "onechannel", cs->onechannel ? "yes" : "no");
switch (cs->mode) {
case M_UNKNOWN:
@@ -2152,7 +2120,7 @@ static int gigaset_ctr_read_proc(char *page, char **start, off_t off,
default:
s = "??";
}
- len += sprintf(page+len, "%-16s %s\n", "mode", s);
+ seq_printf(m, "%-16s %s\n", "mode", s);
switch (cs->mstate) {
case MS_UNINITIALIZED:
@@ -2176,25 +2144,21 @@ static int gigaset_ctr_read_proc(char *page, char **start, off_t off,
default:
s = "??";
}
- len += sprintf(page+len, "%-16s %s\n", "mstate", s);
+ seq_printf(m, "%-16s %s\n", "mstate", s);
- len += sprintf(page+len, "%-16s %s\n", "running",
- cs->running ? "yes" : "no");
- len += sprintf(page+len, "%-16s %s\n", "connected",
- cs->connected ? "yes" : "no");
- len += sprintf(page+len, "%-16s %s\n", "isdn_up",
- cs->isdn_up ? "yes" : "no");
- len += sprintf(page+len, "%-16s %s\n", "cidmode",
- cs->cidmode ? "yes" : "no");
+ seq_printf(m, "%-16s %s\n", "running", cs->running ? "yes" : "no");
+ seq_printf(m, "%-16s %s\n", "connected", cs->connected ? "yes" : "no");
+ seq_printf(m, "%-16s %s\n", "isdn_up", cs->isdn_up ? "yes" : "no");
+ seq_printf(m, "%-16s %s\n", "cidmode", cs->cidmode ? "yes" : "no");
for (i = 0; i < cs->channels; i++) {
- len += sprintf(page+len, "[%d]%-13s %d\n", i, "corrupted",
+ seq_printf(m, "[%d]%-13s %d\n", i, "corrupted",
cs->bcs[i].corrupted);
- len += sprintf(page+len, "[%d]%-13s %d\n", i, "trans_down",
+ seq_printf(m, "[%d]%-13s %d\n", i, "trans_down",
cs->bcs[i].trans_down);
- len += sprintf(page+len, "[%d]%-13s %d\n", i, "trans_up",
+ seq_printf(m, "[%d]%-13s %d\n", i, "trans_up",
cs->bcs[i].trans_up);
- len += sprintf(page+len, "[%d]%-13s %d\n", i, "chstate",
+ seq_printf(m, "[%d]%-13s %d\n", i, "chstate",
cs->bcs[i].chstate);
switch (cs->bcs[i].proto2) {
case L2_BITSYNC:
@@ -2209,11 +2173,23 @@ static int gigaset_ctr_read_proc(char *page, char **start, off_t off,
default:
s = "??";
}
- len += sprintf(page+len, "[%d]%-13s %s\n", i, "proto2", s);
+ seq_printf(m, "[%d]%-13s %s\n", i, "proto2", s);
}
- return len;
+ return 0;
}
+static int gigaset_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, gigaset_proc_show, PDE(inode)->data);
+}
+
+static const struct file_operations gigaset_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = gigaset_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
static struct capi_driver capi_driver_gigaset = {
.name = "gigaset",
@@ -2256,7 +2232,7 @@ int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
iif->ctr.release_appl = gigaset_release_appl;
iif->ctr.send_message = gigaset_send_message;
iif->ctr.procinfo = gigaset_procinfo;
- iif->ctr.ctr_read_proc = gigaset_ctr_read_proc;
+ iif->ctr.proc_fops = &gigaset_proc_fops;
INIT_LIST_HEAD(&iif->appls);
skb_queue_head_init(&iif->sendqueue);
atomic_set(&iif->sendqlen, 0);
diff --git a/drivers/isdn/gigaset/common.c b/drivers/isdn/gigaset/common.c
index 664b0c519c3e..85de3399a2f2 100644
--- a/drivers/isdn/gigaset/common.c
+++ b/drivers/isdn/gigaset/common.c
@@ -149,10 +149,8 @@ static int test_timeout(struct at_state_t *at_state)
return 0;
}
- if (!gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
- at_state->timer_index, NULL))
- dev_err(at_state->cs->dev, "%s: out of memory\n",
- __func__);
+ gigaset_add_event(at_state->cs, at_state, EV_TIMEOUT, NULL,
+ at_state->timer_index, NULL);
return 1;
}
@@ -180,7 +178,7 @@ static void timer_tick(unsigned long data)
if (cs->running) {
mod_timer(&cs->timer, jiffies + msecs_to_jiffies(GIG_TICK));
if (timeout) {
- gig_dbg(DEBUG_CMD, "scheduling timeout");
+ gig_dbg(DEBUG_EVENT, "scheduling timeout");
tasklet_schedule(&cs->event_tasklet);
}
}
@@ -194,14 +192,14 @@ int gigaset_get_channel(struct bc_state *bcs)
spin_lock_irqsave(&bcs->cs->lock, flags);
if (bcs->use_count || !try_module_get(bcs->cs->driver->owner)) {
- gig_dbg(DEBUG_ANY, "could not allocate channel %d",
+ gig_dbg(DEBUG_CHANNEL, "could not allocate channel %d",
bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return 0;
}
++bcs->use_count;
bcs->busy = 1;
- gig_dbg(DEBUG_ANY, "allocated channel %d", bcs->channel);
+ gig_dbg(DEBUG_CHANNEL, "allocated channel %d", bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return 1;
}
@@ -213,7 +211,7 @@ struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
spin_lock_irqsave(&cs->lock, flags);
if (!try_module_get(cs->driver->owner)) {
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_CHANNEL,
"could not get module for allocating channel");
spin_unlock_irqrestore(&cs->lock, flags);
return NULL;
@@ -223,12 +221,12 @@ struct bc_state *gigaset_get_free_channel(struct cardstate *cs)
++cs->bcs[i].use_count;
cs->bcs[i].busy = 1;
spin_unlock_irqrestore(&cs->lock, flags);
- gig_dbg(DEBUG_ANY, "allocated channel %d", i);
+ gig_dbg(DEBUG_CHANNEL, "allocated channel %d", i);
return cs->bcs + i;
}
module_put(cs->driver->owner);
spin_unlock_irqrestore(&cs->lock, flags);
- gig_dbg(DEBUG_ANY, "no free channel");
+ gig_dbg(DEBUG_CHANNEL, "no free channel");
return NULL;
}
@@ -238,14 +236,15 @@ void gigaset_free_channel(struct bc_state *bcs)
spin_lock_irqsave(&bcs->cs->lock, flags);
if (!bcs->busy) {
- gig_dbg(DEBUG_ANY, "could not free channel %d", bcs->channel);
+ gig_dbg(DEBUG_CHANNEL, "could not free channel %d",
+ bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
return;
}
--bcs->use_count;
bcs->busy = 0;
module_put(bcs->cs->driver->owner);
- gig_dbg(DEBUG_ANY, "freed channel %d", bcs->channel);
+ gig_dbg(DEBUG_CHANNEL, "freed channel %d", bcs->channel);
spin_unlock_irqrestore(&bcs->cs->lock, flags);
}
@@ -258,14 +257,15 @@ int gigaset_get_channels(struct cardstate *cs)
for (i = 0; i < cs->channels; ++i)
if (cs->bcs[i].use_count) {
spin_unlock_irqrestore(&cs->lock, flags);
- gig_dbg(DEBUG_ANY, "could not allocate all channels");
+ gig_dbg(DEBUG_CHANNEL,
+ "could not allocate all channels");
return 0;
}
for (i = 0; i < cs->channels; ++i)
++cs->bcs[i].use_count;
spin_unlock_irqrestore(&cs->lock, flags);
- gig_dbg(DEBUG_ANY, "allocated all channels");
+ gig_dbg(DEBUG_CHANNEL, "allocated all channels");
return 1;
}
@@ -275,7 +275,7 @@ void gigaset_free_channels(struct cardstate *cs)
unsigned long flags;
int i;
- gig_dbg(DEBUG_ANY, "unblocking all channels");
+ gig_dbg(DEBUG_CHANNEL, "unblocking all channels");
spin_lock_irqsave(&cs->lock, flags);
for (i = 0; i < cs->channels; ++i)
--cs->bcs[i].use_count;
@@ -287,7 +287,7 @@ void gigaset_block_channels(struct cardstate *cs)
unsigned long flags;
int i;
- gig_dbg(DEBUG_ANY, "blocking all channels");
+ gig_dbg(DEBUG_CHANNEL, "blocking all channels");
spin_lock_irqsave(&cs->lock, flags);
for (i = 0; i < cs->channels; ++i)
++cs->bcs[i].use_count;
@@ -338,6 +338,8 @@ struct event_t *gigaset_add_event(struct cardstate *cs,
unsigned next, tail;
struct event_t *event = NULL;
+ gig_dbg(DEBUG_EVENT, "queueing event %d", type);
+
spin_lock_irqsave(&cs->ev_lock, flags);
tail = cs->ev_tail;
@@ -934,11 +936,8 @@ int gigaset_start(struct cardstate *cs)
if (!gigaset_add_event(cs, &cs->at_state, EV_START, NULL, 0, NULL)) {
cs->waiting = 0;
- dev_err(cs->dev, "%s: out of memory\n", __func__);
goto error;
}
-
- gig_dbg(DEBUG_CMD, "scheduling START");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
@@ -973,12 +972,8 @@ int gigaset_shutdown(struct cardstate *cs)
cs->waiting = 1;
- if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL)) {
- dev_err(cs->dev, "%s: out of memory\n", __func__);
+ if (!gigaset_add_event(cs, &cs->at_state, EV_SHUTDOWN, NULL, 0, NULL))
goto exit;
- }
-
- gig_dbg(DEBUG_CMD, "scheduling SHUTDOWN");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
@@ -1004,12 +999,8 @@ void gigaset_stop(struct cardstate *cs)
cs->waiting = 1;
- if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL)) {
- dev_err(cs->dev, "%s: out of memory\n", __func__);
+ if (!gigaset_add_event(cs, &cs->at_state, EV_STOP, NULL, 0, NULL))
goto exit;
- }
-
- gig_dbg(DEBUG_CMD, "scheduling STOP");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
diff --git a/drivers/isdn/gigaset/ev-layer.c b/drivers/isdn/gigaset/ev-layer.c
index ddeb0456d202..c8f89b78b233 100644
--- a/drivers/isdn/gigaset/ev-layer.c
+++ b/drivers/isdn/gigaset/ev-layer.c
@@ -427,7 +427,7 @@ static int isdn_getnum(char *p)
{
int v = -1;
- gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
+ gig_dbg(DEBUG_EVENT, "string: %s", p);
while (*p >= '0' && *p <= '9')
v = ((v < 0) ? 0 : (v * 10)) + (int) ((*p++) - '0');
@@ -444,7 +444,7 @@ static int isdn_gethex(char *p)
int v = 0;
int c;
- gig_dbg(DEBUG_TRANSCMD, "string: %s", p);
+ gig_dbg(DEBUG_EVENT, "string: %s", p);
if (!*p)
return -1;
@@ -517,7 +517,6 @@ void gigaset_handle_modem_response(struct cardstate *cs)
return;
}
cs->respdata[len] = 0;
- gig_dbg(DEBUG_TRANSCMD, "raw string: '%s'", cs->respdata);
argv[0] = cs->respdata;
params = 1;
if (cs->at_state.getstring) {
@@ -552,14 +551,14 @@ void gigaset_handle_modem_response(struct cardstate *cs)
for (j = 1; j < params; ++j)
argv[j][-1] = 0;
- gig_dbg(DEBUG_TRANSCMD, "CMD received: %s", argv[0]);
+ gig_dbg(DEBUG_EVENT, "CMD received: %s", argv[0]);
if (cid) {
--params;
- gig_dbg(DEBUG_TRANSCMD, "CID: %s", argv[params]);
+ gig_dbg(DEBUG_EVENT, "CID: %s", argv[params]);
}
- gig_dbg(DEBUG_TRANSCMD, "available params: %d", params - 1);
+ gig_dbg(DEBUG_EVENT, "available params: %d", params - 1);
for (j = 1; j < params; j++)
- gig_dbg(DEBUG_TRANSCMD, "param %d: %s", j, argv[j]);
+ gig_dbg(DEBUG_EVENT, "param %d: %s", j, argv[j]);
}
spin_lock_irqsave(&cs->ev_lock, flags);
@@ -642,7 +641,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
dev_err(cs->dev, "out of memory\n");
++curarg;
}
- gig_dbg(DEBUG_CMD, "string==%s",
+ gig_dbg(DEBUG_EVENT, "string==%s",
event->ptr ? (char *) event->ptr : "NULL");
break;
case RT_ZCAU:
@@ -669,7 +668,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
++curarg;
} else
event->parameter = -1;
- gig_dbg(DEBUG_CMD, "parameter==%d", event->parameter);
+ gig_dbg(DEBUG_EVENT, "parameter==%d", event->parameter);
break;
}
@@ -684,7 +683,7 @@ void gigaset_handle_modem_response(struct cardstate *cs)
spin_unlock_irqrestore(&cs->ev_lock, flags);
if (curarg != params)
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_EVENT,
"invalid number of processed parameters: %d/%d",
curarg, params);
}
@@ -705,8 +704,8 @@ static void disconnect(struct at_state_t **at_state_p)
/* revert to selected idle mode */
if (!cs->cidmode) {
cs->at_state.pending_commands |= PC_UMMODE;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
cs->commands_pending = 1;
- gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
}
spin_unlock_irqrestore(&cs->lock, flags);
@@ -784,15 +783,15 @@ static void init_failed(struct cardstate *cs, int mode)
static void schedule_init(struct cardstate *cs, int state)
{
if (cs->at_state.pending_commands & PC_INIT) {
- gig_dbg(DEBUG_CMD, "not scheduling PC_INIT again");
+ gig_dbg(DEBUG_EVENT, "not scheduling PC_INIT again");
return;
}
cs->mstate = state;
cs->mode = M_UNKNOWN;
gigaset_block_channels(cs);
cs->at_state.pending_commands |= PC_INIT;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_INIT");
cs->commands_pending = 1;
- gig_dbg(DEBUG_CMD, "Scheduling PC_INIT");
}
/* Add "AT" to a command, add the cid, dle encode it, send the result to the
@@ -923,7 +922,7 @@ static void start_dial(struct at_state_t *at_state, void *data,
}
at_state->pending_commands |= PC_CID;
- gig_dbg(DEBUG_CMD, "Scheduling PC_CID");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_CID");
cs->commands_pending = 1;
return;
@@ -933,7 +932,7 @@ error:
commands[i] = NULL;
}
at_state->pending_commands |= PC_NOCID;
- gig_dbg(DEBUG_CMD, "Scheduling PC_NOCID");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_NOCID");
cs->commands_pending = 1;
return;
}
@@ -955,7 +954,7 @@ static void start_accept(struct at_state_t *at_state)
dev_err(at_state->cs->dev, "out of memory\n");
/* error reset */
at_state->pending_commands |= PC_HUP;
- gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP");
cs->commands_pending = 1;
return;
}
@@ -964,7 +963,7 @@ static void start_accept(struct at_state_t *at_state)
snprintf(bcs->commands[AT_ISO], 9, "^SISO=%u\r", bcs->channel + 1);
at_state->pending_commands |= PC_ACCEPT;
- gig_dbg(DEBUG_CMD, "Scheduling PC_ACCEPT");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_ACCEPT");
cs->commands_pending = 1;
}
@@ -1009,8 +1008,8 @@ static void do_shutdown(struct cardstate *cs)
if (cs->mstate == MS_READY) {
cs->mstate = MS_SHUTDOWN;
cs->at_state.pending_commands |= PC_SHUTDOWN;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_SHUTDOWN");
cs->commands_pending = 1;
- gig_dbg(DEBUG_CMD, "Scheduling PC_SHUTDOWN");
} else
finish_shutdown(cs);
}
@@ -1191,8 +1190,8 @@ static void do_action(int action, struct cardstate *cs,
}
spin_unlock_irqrestore(&cs->lock, flags);
cs->at_state.pending_commands |= PC_CIDMODE;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
cs->commands_pending = 1;
- gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
break;
case ACT_FAILINIT:
dev_warn(cs->dev, "Could not initialize the device.\n");
@@ -1443,7 +1442,7 @@ static void do_action(int action, struct cardstate *cs,
case ACT_GOTVER:
if (cs->gotfwver == 0) {
cs->gotfwver = 1;
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_EVENT,
"firmware version %02d.%03d.%02d.%02d",
cs->fwver[0], cs->fwver[1],
cs->fwver[2], cs->fwver[3]);
@@ -1481,8 +1480,8 @@ static void do_action(int action, struct cardstate *cs,
break;
case ACT_HUP:
at_state->pending_commands |= PC_HUP;
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_HUP");
cs->commands_pending = 1;
- gig_dbg(DEBUG_CMD, "Scheduling PC_HUP");
break;
/* hotplug events */
@@ -1519,10 +1518,10 @@ static void do_action(int action, struct cardstate *cs,
cs->cidmode = ev->parameter;
if (ev->parameter) {
cs->at_state.pending_commands |= PC_CIDMODE;
- gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
} else {
cs->at_state.pending_commands |= PC_UMMODE;
- gig_dbg(DEBUG_CMD, "Scheduling PC_UMMODE");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_UMMODE");
}
cs->commands_pending = 1;
}
@@ -1573,6 +1572,8 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
if (ev->cid >= 0) {
at_state = at_state_from_cid(cs, ev->cid);
if (!at_state) {
+ gig_dbg(DEBUG_EVENT, "event %d for invalid cid %d",
+ ev->type, ev->cid);
gigaset_add_event(cs, &cs->at_state, RSP_WRONG_CID,
NULL, 0, NULL);
return;
@@ -1580,13 +1581,13 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
} else {
at_state = ev->at_state;
if (at_state_invalid(cs, at_state)) {
- gig_dbg(DEBUG_ANY, "event for invalid at_state %p",
+ gig_dbg(DEBUG_EVENT, "event for invalid at_state %p",
at_state);
return;
}
}
- gig_dbg(DEBUG_CMD, "connection state %d, event %d",
+ gig_dbg(DEBUG_EVENT, "connection state %d, event %d",
at_state->ConState, ev->type);
bcs = at_state->bcs;
@@ -1600,11 +1601,11 @@ static void process_event(struct cardstate *cs, struct event_t *ev)
if (ev->parameter != at_state->timer_index
|| !at_state->timer_active) {
ev->type = RSP_NONE; /* old timeout */
- gig_dbg(DEBUG_ANY, "old timeout");
+ gig_dbg(DEBUG_EVENT, "old timeout");
} else if (!at_state->waiting)
- gig_dbg(DEBUG_ANY, "timeout occurred");
+ gig_dbg(DEBUG_EVENT, "timeout occurred");
else
- gig_dbg(DEBUG_ANY, "stopped waiting");
+ gig_dbg(DEBUG_EVENT, "stopped waiting");
}
spin_unlock_irqrestore(&cs->lock, flags);
@@ -1712,11 +1713,11 @@ static void process_command_flags(struct cardstate *cs)
cs->commands_pending = 0;
if (cs->cur_at_seq) {
- gig_dbg(DEBUG_CMD, "not searching scheduled commands: busy");
+ gig_dbg(DEBUG_EVENT, "not searching scheduled commands: busy");
return;
}
- gig_dbg(DEBUG_CMD, "searching scheduled commands");
+ gig_dbg(DEBUG_EVENT, "searching scheduled commands");
sequence = SEQ_NONE;
@@ -1857,7 +1858,7 @@ static void process_command_flags(struct cardstate *cs)
switch (cs->mode) {
case M_UNIMODEM:
cs->at_state.pending_commands |= PC_CIDMODE;
- gig_dbg(DEBUG_CMD, "Scheduling PC_CIDMODE");
+ gig_dbg(DEBUG_EVENT, "Scheduling PC_CIDMODE");
cs->commands_pending = 1;
return;
#ifdef GIG_MAYINITONDIAL
diff --git a/drivers/isdn/gigaset/gigaset.h b/drivers/isdn/gigaset/gigaset.h
index e963a6c2e86d..1875ab80b335 100644
--- a/drivers/isdn/gigaset/gigaset.h
+++ b/drivers/isdn/gigaset/gigaset.h
@@ -38,7 +38,7 @@
#define GIG_COMPAT {0, 4, 0, 0}
#define MAX_REC_PARAMS 10 /* Max. number of params in response string */
-#define MAX_RESP_SIZE 512 /* Max. size of a response string */
+#define MAX_RESP_SIZE 511 /* Max. size of a response string */
#define MAX_EVENTS 64 /* size of event queue */
@@ -78,9 +78,10 @@ enum debuglevel {
DEBUG_STREAM = 0x00040, /* application data stream I/O events */
DEBUG_STREAM_DUMP = 0x00080, /* application data stream content */
DEBUG_LLDATA = 0x00100, /* sent/received LL data */
+ DEBUG_EVENT = 0x00200, /* event processing */
DEBUG_DRIVER = 0x00400, /* driver structure */
DEBUG_HDLC = 0x00800, /* M10x HDLC processing */
- DEBUG_WRITE = 0x01000, /* M105 data write */
+ DEBUG_CHANNEL = 0x01000, /* channel allocation/deallocation */
DEBUG_TRANSCMD = 0x02000, /* AT-COMMANDS+RESPONSES */
DEBUG_MCMD = 0x04000, /* COMMANDS THAT ARE SENT VERY OFTEN */
DEBUG_INIT = 0x08000, /* (de)allocation+initialization of data
@@ -498,7 +499,7 @@ struct cardstate {
spinlock_t ev_lock;
/* current modem response */
- unsigned char respdata[MAX_RESP_SIZE];
+ unsigned char respdata[MAX_RESP_SIZE+1];
unsigned cbytes;
/* private data of hardware drivers */
@@ -785,8 +786,6 @@ static inline void gigaset_schedule_event(struct cardstate *cs)
static inline void gigaset_bchannel_down(struct bc_state *bcs)
{
gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_CLOSED, NULL, 0, NULL);
-
- gig_dbg(DEBUG_CMD, "scheduling BC_CLOSED");
gigaset_schedule_event(bcs->cs);
}
@@ -795,8 +794,6 @@ static inline void gigaset_bchannel_down(struct bc_state *bcs)
static inline void gigaset_bchannel_up(struct bc_state *bcs)
{
gigaset_add_event(bcs->cs, &bcs->at_state, EV_BC_OPEN, NULL, 0, NULL);
-
- gig_dbg(DEBUG_CMD, "scheduling BC_OPEN");
gigaset_schedule_event(bcs->cs);
}
diff --git a/drivers/isdn/gigaset/i4l.c b/drivers/isdn/gigaset/i4l.c
index c129ee47a8fb..f0acb9dc9e33 100644
--- a/drivers/isdn/gigaset/i4l.c
+++ b/drivers/isdn/gigaset/i4l.c
@@ -216,7 +216,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
return -EINVAL;
case ISDN_CMD_DIAL:
- gig_dbg(DEBUG_ANY,
+ gig_dbg(DEBUG_CMD,
"ISDN_CMD_DIAL (phone: %s, msn: %s, si1: %d, si2: %d)",
cntrl->parm.setup.phone, cntrl->parm.setup.eazmsn,
cntrl->parm.setup.si1, cntrl->parm.setup.si2);
@@ -304,11 +304,10 @@ static int command_from_LL(isdn_ctrl *cntrl)
gigaset_free_channel(bcs);
return -ENOMEM;
}
-
- gig_dbg(DEBUG_CMD, "scheduling DIAL");
gigaset_schedule_event(cs);
break;
case ISDN_CMD_ACCEPTD:
+ gig_dbg(DEBUG_CMD, "ISDN_CMD_ACCEPTD");
if (ch >= cs->channels) {
dev_err(cs->dev,
"ISDN_CMD_ACCEPTD: invalid channel (%d)\n", ch);
@@ -318,14 +317,11 @@ static int command_from_LL(isdn_ctrl *cntrl)
if (!gigaset_add_event(cs, &bcs->at_state,
EV_ACCEPT, NULL, 0, NULL))
return -ENOMEM;
-
- gig_dbg(DEBUG_CMD, "scheduling ACCEPT");
gigaset_schedule_event(cs);
break;
- case ISDN_CMD_ACCEPTB:
- break;
case ISDN_CMD_HANGUP:
+ gig_dbg(DEBUG_CMD, "ISDN_CMD_HANGUP");
if (ch >= cs->channels) {
dev_err(cs->dev,
"ISDN_CMD_HANGUP: invalid channel (%d)\n", ch);
@@ -335,8 +331,6 @@ static int command_from_LL(isdn_ctrl *cntrl)
if (!gigaset_add_event(cs, &bcs->at_state,
EV_HUP, NULL, 0, NULL))
return -ENOMEM;
-
- gig_dbg(DEBUG_CMD, "scheduling HUP");
gigaset_schedule_event(cs);
break;
@@ -376,6 +370,7 @@ static int command_from_LL(isdn_ctrl *cntrl)
}
break;
case ISDN_CMD_SETL3: /* Set L3 to given protocol */
+ gig_dbg(DEBUG_CMD, "ISDN_CMD_SETL3");
if (ch >= cs->channels) {
dev_err(cs->dev,
"ISDN_CMD_SETL3: invalid channel (%d)\n", ch);
@@ -390,44 +385,9 @@ static int command_from_LL(isdn_ctrl *cntrl)
}
break;
- case ISDN_CMD_PROCEED:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED");
- break;
- case ISDN_CMD_ALERT:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT");
- if (cntrl->arg >= cs->channels) {
- dev_err(cs->dev,
- "ISDN_CMD_ALERT: invalid channel (%d)\n",
- (int) cntrl->arg);
- return -EINVAL;
- }
- break;
- case ISDN_CMD_REDIR:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR");
- break;
- case ISDN_CMD_PROT_IO:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_PROT_IO");
- break;
- case ISDN_CMD_FAXCMD:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_FAXCMD");
- break;
- case ISDN_CMD_GETL2:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL2");
- break;
- case ISDN_CMD_GETL3:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_GETL3");
- break;
- case ISDN_CMD_GETEAZ:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_GETEAZ");
- break;
- case ISDN_CMD_SETSIL:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_SETSIL");
- break;
- case ISDN_CMD_GETSIL:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_GETSIL");
- break;
+
default:
- dev_err(cs->dev, "unknown command %d from LL\n",
+ gig_dbg(DEBUG_CMD, "unknown command %d from LL",
cntrl->command);
return -EINVAL;
}
diff --git a/drivers/isdn/gigaset/interface.c b/drivers/isdn/gigaset/interface.c
index d2260b0055fc..a1bcbc21ff71 100644
--- a/drivers/isdn/gigaset/interface.c
+++ b/drivers/isdn/gigaset/interface.c
@@ -45,8 +45,6 @@ static int if_lock(struct cardstate *cs, int *arg)
cs->waiting = 0;
return -ENOMEM;
}
-
- gig_dbg(DEBUG_CMD, "scheduling IF_LOCK");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
@@ -81,8 +79,6 @@ static int if_version(struct cardstate *cs, unsigned arg[4])
cs->waiting = 0;
return -ENOMEM;
}
-
- gig_dbg(DEBUG_CMD, "scheduling IF_VER");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
@@ -274,7 +270,7 @@ static int if_ioctl(struct tty_struct *tty, struct file *file,
? -EFAULT : 0;
break;
default:
- gig_dbg(DEBUG_ANY, "%s: arg not supported - 0x%04x",
+ gig_dbg(DEBUG_IF, "%s: arg not supported - 0x%04x",
__func__, cmd);
retval = -ENOIOCTLCMD;
}
@@ -455,7 +451,7 @@ static void if_throttle(struct tty_struct *tty)
else if (!cs->open_count)
dev_warn(cs->dev, "%s: device not opened\n", __func__);
else
- gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
+ gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__);
mutex_unlock(&cs->mutex);
}
@@ -479,7 +475,7 @@ static void if_unthrottle(struct tty_struct *tty)
else if (!cs->open_count)
dev_warn(cs->dev, "%s: device not opened\n", __func__);
else
- gig_dbg(DEBUG_ANY, "%s: not implemented\n", __func__);
+ gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__);
mutex_unlock(&cs->mutex);
}
@@ -630,7 +626,7 @@ void gigaset_if_receive(struct cardstate *cs,
spin_lock_irqsave(&cs->lock, flags);
tty = cs->tty;
if (tty == NULL)
- gig_dbg(DEBUG_ANY, "receive on closed device");
+ gig_dbg(DEBUG_IF, "receive on closed device");
else {
tty_buffer_request_room(tty, len);
tty_insert_flip_string(tty, buffer, len);
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index 85394a6ebae8..16fd3bd48883 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -905,29 +905,49 @@ void gigaset_isoc_receive(unsigned char *src, unsigned count,
/* == data input =========================================================== */
+/* process a block of received bytes in command mode (mstate != MS_LOCKED)
+ * Append received bytes to the command response buffer and forward them
+ * line by line to the response handler.
+ * Note: Received lines may be terminated by CR, LF, or CR LF, which will be
+ * removed before passing the line to the response handler.
+ */
static void cmd_loop(unsigned char *src, int numbytes, struct inbuf_t *inbuf)
{
struct cardstate *cs = inbuf->cs;
unsigned cbytes = cs->cbytes;
+ unsigned char c;
while (numbytes--) {
- /* copy next character, check for end of line */
- switch (cs->respdata[cbytes] = *src++) {
- case '\r':
+ c = *src++;
+ switch (c) {
case '\n':
- /* end of line */
- gig_dbg(DEBUG_TRANSCMD, "%s: End of Command (%d Bytes)",
- __func__, cbytes);
- if (cbytes >= MAX_RESP_SIZE - 1)
- dev_warn(cs->dev, "response too large\n");
+ if (cbytes == 0 && cs->respdata[0] == '\r') {
+ /* collapse LF with preceding CR */
+ cs->respdata[0] = 0;
+ break;
+ }
+ /* --v-- fall through --v-- */
+ case '\r':
+ /* end of message line, pass to response handler */
+ if (cbytes >= MAX_RESP_SIZE) {
+ dev_warn(cs->dev, "response too large (%d)\n",
+ cbytes);
+ cbytes = MAX_RESP_SIZE;
+ }
cs->cbytes = cbytes;
+ gigaset_dbg_buffer(DEBUG_TRANSCMD, "received response",
+ cbytes, cs->respdata);
gigaset_handle_modem_response(cs);
cbytes = 0;
+
+ /* store EOL byte for CRLF collapsing */
+ cs->respdata[0] = c;
break;
default:
- /* advance in line buffer, checking for overflow */
- if (cbytes < MAX_RESP_SIZE - 1)
- cbytes++;
+ /* append to line buffer if possible */
+ if (cbytes < MAX_RESP_SIZE)
+ cs->respdata[cbytes] = c;
+ cbytes++;
}
}
@@ -958,8 +978,6 @@ void gigaset_isoc_input(struct inbuf_t *inbuf)
numbytes, src);
gigaset_if_receive(inbuf->cs, src, numbytes);
} else {
- gigaset_dbg_buffer(DEBUG_CMD, "received response",
- numbytes, src);
cmd_loop(src, numbytes, inbuf);
}
diff --git a/drivers/isdn/gigaset/proc.c b/drivers/isdn/gigaset/proc.c
index 758a00c1d2e2..b69f73a0668f 100644
--- a/drivers/isdn/gigaset/proc.c
+++ b/drivers/isdn/gigaset/proc.c
@@ -48,8 +48,6 @@ static ssize_t set_cidmode(struct device *dev, struct device_attribute *attr,
mutex_unlock(&cs->mutex);
return -ENOMEM;
}
-
- gig_dbg(DEBUG_CMD, "scheduling PROC_CIDMODE");
gigaset_schedule_event(cs);
wait_event(cs->waitqueue, !cs->waiting);
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index 3ab1daeb276b..9430a2bbb523 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -628,7 +628,7 @@ static int write_modem(struct cardstate *cs)
struct usb_cardstate *ucs = cs->hw.usb;
unsigned long flags;
- gig_dbg(DEBUG_WRITE, "len: %d...", bcs->tx_skb->len);
+ gig_dbg(DEBUG_OUTPUT, "len: %d...", bcs->tx_skb->len);
if (!bcs->tx_skb->len) {
dev_kfree_skb_any(bcs->tx_skb);
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-22 17:04:40 +0000