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-rw-r--r--drivers/isdn/mISDN/core.c8
-rw-r--r--drivers/isdn/mISDN/dsp.h19
-rw-r--r--drivers/isdn/mISDN/dsp_audio.c5
-rw-r--r--drivers/isdn/mISDN/dsp_cmx.c115
-rw-r--r--drivers/isdn/mISDN/dsp_core.c72
-rw-r--r--drivers/isdn/mISDN/dsp_dtmf.c3
-rw-r--r--drivers/isdn/mISDN/dsp_ecdis.h2
-rw-r--r--drivers/isdn/mISDN/dsp_pipeline.c16
-rw-r--r--drivers/isdn/mISDN/dsp_tones.c23
-rw-r--r--drivers/isdn/mISDN/hwchannel.c4
-rw-r--r--drivers/isdn/mISDN/l1oip.h2
-rw-r--r--drivers/isdn/mISDN/l1oip_codec.c1
-rw-r--r--drivers/isdn/mISDN/l1oip_core.c71
-rw-r--r--drivers/isdn/mISDN/layer2.c37
-rw-r--r--drivers/isdn/mISDN/layer2.h2
-rw-r--r--drivers/isdn/mISDN/socket.c45
-rw-r--r--drivers/isdn/mISDN/tei.c102
-rw-r--r--drivers/isdn/mISDN/timerdev.c2
18 files changed, 317 insertions, 212 deletions
diff --git a/drivers/isdn/mISDN/core.c b/drivers/isdn/mISDN/core.c
index 9426c9827e47..21d34be5af6a 100644
--- a/drivers/isdn/mISDN/core.c
+++ b/drivers/isdn/mISDN/core.c
@@ -214,7 +214,7 @@ get_free_devid(void)
if (!test_and_set_bit(i, (u_long *)&device_ids))
break;
if (i > MAX_DEVICE_ID)
- return -1;
+ return -EBUSY;
return i;
}
@@ -224,10 +224,10 @@ mISDN_register_device(struct mISDNdevice *dev,
{
int err;
- dev->id = get_free_devid();
- err = -EBUSY;
- if (dev->id < 0)
+ err = get_free_devid();
+ if (err < 0)
goto error1;
+ dev->id = err;
device_initialize(&dev->dev);
if (name && name[0])
diff --git a/drivers/isdn/mISDN/dsp.h b/drivers/isdn/mISDN/dsp.h
index 98a33c58f091..18af86879c05 100644
--- a/drivers/isdn/mISDN/dsp.h
+++ b/drivers/isdn/mISDN/dsp.h
@@ -112,9 +112,11 @@ struct dsp_conf {
#define DSP_DTMF_NPOINTS 102
-#define ECHOCAN_BUFLEN (4*128)
+#define ECHOCAN_BUFF_SIZE 0x400 /* must be 2**n */
+#define ECHOCAN_BUFF_MASK 0x3ff /* -1 */
struct dsp_dtmf {
+ int enable; /* dtmf is enabled */
int treshold; /* above this is dtmf (square of) */
int software; /* dtmf uses software decoding */
int hardware; /* dtmf uses hardware decoding */
@@ -123,7 +125,7 @@ struct dsp_dtmf {
/* buffers one full dtmf frame */
u8 lastwhat, lastdigit;
int count;
- u8 digits[16]; /* just the dtmf result */
+ u8 digits[16]; /* dtmf result */
};
@@ -150,6 +152,15 @@ struct dsp_tone {
struct timer_list tl;
};
+/***************
+ * echo stuff *
+ ***************/
+
+struct dsp_echo {
+ int software; /* echo is generated by software */
+ int hardware; /* echo is generated by hardware */
+};
+
/*****************
* general stuff *
*****************/
@@ -160,7 +171,7 @@ struct dsp {
struct mISDNchannel *up;
unsigned char name[64];
int b_active;
- int echo; /* echo is enabled */
+ struct dsp_echo echo;
int rx_disabled; /* what the user wants */
int rx_is_off; /* what the card is */
int tx_mix;
@@ -261,5 +272,5 @@ extern int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg);
extern void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data,
int len);
extern void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data,
- int len);
+ int len, unsigned int txlen);
diff --git a/drivers/isdn/mISDN/dsp_audio.c b/drivers/isdn/mISDN/dsp_audio.c
index de3795e3f432..9c7c6451bf3d 100644
--- a/drivers/isdn/mISDN/dsp_audio.c
+++ b/drivers/isdn/mISDN/dsp_audio.c
@@ -210,9 +210,8 @@ dsp_audio_generate_seven(void)
j = 0;
for (k = 0; k < 256; k++) {
if (dsp_audio_alaw_to_s32[k]
- < dsp_audio_alaw_to_s32[i]) {
- j++;
- }
+ < dsp_audio_alaw_to_s32[i])
+ j++;
}
sorted_alaw[j] = i;
}
diff --git a/drivers/isdn/mISDN/dsp_cmx.c b/drivers/isdn/mISDN/dsp_cmx.c
index 58c43e429f73..9c7c0d1ba55f 100644
--- a/drivers/isdn/mISDN/dsp_cmx.c
+++ b/drivers/isdn/mISDN/dsp_cmx.c
@@ -163,8 +163,9 @@ dsp_cmx_debug(struct dsp *dsp)
printk(KERN_DEBUG "-----Current DSP\n");
list_for_each_entry(odsp, &dsp_ilist, list) {
- printk(KERN_DEBUG "* %s echo=%d txmix=%d",
- odsp->name, odsp->echo, odsp->tx_mix);
+ printk(KERN_DEBUG "* %s hardecho=%d softecho=%d txmix=%d",
+ odsp->name, odsp->echo.hardware, odsp->echo.software,
+ odsp->tx_mix);
if (odsp->conf)
printk(" (Conf %d)", odsp->conf->id);
if (dsp == odsp)
@@ -177,10 +178,12 @@ dsp_cmx_debug(struct dsp *dsp)
list_for_each_entry(member, &conf->mlist, list) {
printk(KERN_DEBUG
" - member = %s (slot_tx %d, bank_tx %d, "
- "slot_rx %d, bank_rx %d hfc_conf %d)%s\n",
+ "slot_rx %d, bank_rx %d hfc_conf %d "
+ "tx_data %d rx_is_off %d)%s\n",
member->dsp->name, member->dsp->pcm_slot_tx,
member->dsp->pcm_bank_tx, member->dsp->pcm_slot_rx,
member->dsp->pcm_bank_rx, member->dsp->hfc_conf,
+ member->dsp->tx_data, member->dsp->rx_is_off,
(member->dsp == dsp) ? " *this*" : "");
}
}
@@ -235,7 +238,7 @@ dsp_cmx_add_conf_member(struct dsp *dsp, struct dsp_conf *conf)
member = kzalloc(sizeof(struct dsp_conf_member), GFP_ATOMIC);
if (!member) {
- printk(KERN_ERR "kmalloc struct dsp_conf_member failed\n");
+ printk(KERN_ERR "kzalloc struct dsp_conf_member failed\n");
return -ENOMEM;
}
member->dsp = dsp;
@@ -314,7 +317,7 @@ static struct dsp_conf
conf = kzalloc(sizeof(struct dsp_conf), GFP_ATOMIC);
if (!conf) {
- printk(KERN_ERR "kmalloc struct dsp_conf failed\n");
+ printk(KERN_ERR "kzalloc struct dsp_conf failed\n");
return NULL;
}
INIT_LIST_HEAD(&conf->mlist);
@@ -385,7 +388,7 @@ dsp_cmx_hardware(struct dsp_conf *conf, struct dsp *dsp)
int freeunits[8];
u_char freeslots[256];
int same_hfc = -1, same_pcm = -1, current_conf = -1,
- all_conf = 1;
+ all_conf = 1, tx_data = 0;
/* dsp gets updated (no conf) */
if (!conf) {
@@ -409,7 +412,7 @@ one_member:
/* process hw echo */
if (dsp->features.pcm_banks < 1)
return;
- if (!dsp->echo) {
+ if (!dsp->echo.software && !dsp->echo.hardware) {
/* NO ECHO: remove PCM slot if assigned */
if (dsp->pcm_slot_tx >= 0 || dsp->pcm_slot_rx >= 0) {
if (dsp_debug & DEBUG_DSP_CMX)
@@ -427,10 +430,15 @@ one_member:
}
return;
}
+ /* echo is enabled, find out if we use soft or hardware */
+ dsp->echo.software = dsp->tx_data;
+ dsp->echo.hardware = 0;
/* ECHO: already echo */
if (dsp->pcm_slot_tx >= 0 && dsp->pcm_slot_rx < 0 &&
- dsp->pcm_bank_tx == 2 && dsp->pcm_bank_rx == 2)
+ dsp->pcm_bank_tx == 2 && dsp->pcm_bank_rx == 2) {
+ dsp->echo.hardware = 1;
return;
+ }
/* ECHO: if slot already assigned */
if (dsp->pcm_slot_tx >= 0) {
dsp->pcm_slot_rx = dsp->pcm_slot_tx;
@@ -443,6 +451,7 @@ one_member:
dsp->pcm_slot_tx);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+ dsp->echo.hardware = 1;
return;
}
/* ECHO: find slot */
@@ -472,6 +481,7 @@ one_member:
"%s no slot available for echo\n",
__func__);
/* no more slots available */
+ dsp->echo.software = 1;
return;
}
/* assign free slot */
@@ -485,6 +495,7 @@ one_member:
__func__, dsp->name, dsp->pcm_slot_tx);
dsp_cmx_hw_message(dsp, MISDN_CTRL_HFC_PCM_CONN,
dsp->pcm_slot_tx, 2, dsp->pcm_slot_rx, 2);
+ dsp->echo.hardware = 1;
return;
}
@@ -554,7 +565,7 @@ conf_software:
return;
}
/* check if member has echo turned on */
- if (member->dsp->echo) {
+ if (member->dsp->echo.hardware || member->dsp->echo.software) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
"%s dsp %s cannot form a conf, because "
@@ -592,10 +603,9 @@ conf_software:
if (member->dsp->tx_data) {
if (dsp_debug & DEBUG_DSP_CMX)
printk(KERN_DEBUG
- "%s dsp %s cannot form a conf, because "
- "tx_data is turned on\n",
+ "%s dsp %s tx_data is turned on\n",
__func__, member->dsp->name);
- goto conf_software;
+ tx_data = 1;
}
/* check if pipeline exists */
if (member->dsp->pipeline.inuse) {
@@ -794,7 +804,7 @@ conf_software:
nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
conf->hardware = 1;
- conf->software = 0;
+ conf->software = tx_data;
return;
/* if members have one bank (or on the same chip) */
} else {
@@ -904,7 +914,7 @@ conf_software:
nextm->dsp->pcm_slot_tx, nextm->dsp->pcm_bank_tx,
nextm->dsp->pcm_slot_rx, nextm->dsp->pcm_bank_rx);
conf->hardware = 1;
- conf->software = 0;
+ conf->software = tx_data;
return;
}
}
@@ -937,6 +947,10 @@ conf_software:
if (current_conf >= 0) {
join_members:
list_for_each_entry(member, &conf->mlist, list) {
+ /* if no conference engine on our chip, change to
+ * software */
+ if (!member->dsp->features.hfc_conf)
+ goto conf_software;
/* in case of hdlc, change to software */
if (member->dsp->hdlc)
goto conf_software;
@@ -1295,17 +1309,25 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
int r, rr, t, tt, o_r, o_rr;
int preload = 0;
struct mISDNhead *hh, *thh;
+ int tx_data_only = 0;
/* don't process if: */
if (!dsp->b_active) { /* if not active */
dsp->last_tx = 0;
return;
}
- if (dsp->pcm_slot_tx >= 0 && /* connected to pcm slot */
+ if (((dsp->conf && dsp->conf->hardware) || /* hardware conf */
+ dsp->echo.hardware) && /* OR hardware echo */
dsp->tx_R == dsp->tx_W && /* AND no tx-data */
!(dsp->tone.tone && dsp->tone.software)) { /* AND not soft tones */
- dsp->last_tx = 0;
- return;
+ if (!dsp->tx_data) { /* no tx_data for user space required */
+ dsp->last_tx = 0;
+ return;
+ }
+ if (dsp->conf && dsp->conf->software && dsp->conf->hardware)
+ tx_data_only = 1;
+ if (dsp->conf->software && dsp->echo.hardware)
+ tx_data_only = 1;
}
#ifdef CMX_DEBUG
@@ -1367,7 +1389,8 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
while (r != rr && t != tt) {
#ifdef CMX_TX_DEBUG
if (strlen(debugbuf) < 48)
- sprintf(debugbuf+strlen(debugbuf), " %02x", p[t]);
+ sprintf(debugbuf+strlen(debugbuf), " %02x",
+ p[t]);
#endif
*d++ = p[t]; /* write tx_buff */
t = (t+1) & CMX_BUFF_MASK;
@@ -1388,7 +1411,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
/* PROCESS DATA (one member / no conf) */
if (!conf || members <= 1) {
/* -> if echo is NOT enabled */
- if (!dsp->echo) {
+ if (!dsp->echo.software) {
/* -> send tx-data if available or use 0-volume */
while (r != rr && t != tt) {
*d++ = p[t]; /* write tx_buff */
@@ -1438,7 +1461,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
o_r = (o_rr - rr + r) & CMX_BUFF_MASK;
/* start rx-pointer at current read position*/
/* -> if echo is NOT enabled */
- if (!dsp->echo) {
+ if (!dsp->echo.software) {
/*
* -> copy other member's rx-data,
* if tx-data is available, mix
@@ -1486,7 +1509,7 @@ dsp_cmx_send_member(struct dsp *dsp, int len, s32 *c, int members)
#endif
/* PROCESS DATA (three or more members) */
/* -> if echo is NOT enabled */
- if (!dsp->echo) {
+ if (!dsp->echo.software) {
/*
* -> substract rx-data from conf-data,
* if tx-data is available, mix
@@ -1550,27 +1573,40 @@ send_packet:
* becuase we want what we send, not what we filtered
*/
if (dsp->tx_data) {
- /* PREPARE RESULT */
- txskb = mI_alloc_skb(len, GFP_ATOMIC);
- if (!txskb) {
- printk(KERN_ERR
- "FATAL ERROR in mISDN_dsp.o: "
- "cannot alloc %d bytes\n", len);
+ if (tx_data_only) {
+ hh->prim = DL_DATA_REQ;
+ hh->id = 0;
+ /* queue and trigger */
+ skb_queue_tail(&dsp->sendq, nskb);
+ schedule_work(&dsp->workq);
+ /* exit because only tx_data is used */
+ return;
} else {
- thh = mISDN_HEAD_P(txskb);
- thh->prim = DL_DATA_REQ;
- thh->id = 0;
- memcpy(skb_put(txskb, len), nskb->data+preload, len);
- /* queue (trigger later) */
- skb_queue_tail(&dsp->sendq, txskb);
+ txskb = mI_alloc_skb(len, GFP_ATOMIC);
+ if (!txskb) {
+ printk(KERN_ERR
+ "FATAL ERROR in mISDN_dsp.o: "
+ "cannot alloc %d bytes\n", len);
+ } else {
+ thh = mISDN_HEAD_P(txskb);
+ thh->prim = DL_DATA_REQ;
+ thh->id = 0;
+ memcpy(skb_put(txskb, len), nskb->data+preload,
+ len);
+ /* queue (trigger later) */
+ skb_queue_tail(&dsp->sendq, txskb);
+ }
}
}
+
+ /* send data only to card, if we don't just calculated tx_data */
/* adjust volume */
if (dsp->tx_volume)
dsp_change_volume(nskb, dsp->tx_volume);
/* pipeline */
if (dsp->pipeline.inuse)
- dsp_pipeline_process_tx(&dsp->pipeline, nskb->data, nskb->len);
+ dsp_pipeline_process_tx(&dsp->pipeline, nskb->data,
+ nskb->len);
/* crypt */
if (dsp->bf_enable)
dsp_bf_encrypt(dsp, nskb->data, nskb->len);
@@ -1592,7 +1628,8 @@ dsp_cmx_send(void *arg)
struct dsp_conf_member *member;
struct dsp *dsp;
int mustmix, members;
- s32 mixbuffer[MAX_POLL+100], *c;
+ static s32 mixbuffer[MAX_POLL+100];
+ s32 *c;
u8 *p, *q;
int r, rr;
int jittercheck = 0, delay, i;
@@ -1890,10 +1927,8 @@ dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
/* no conf */
if (!dsp->conf) {
- /* in case of hardware (echo) */
- if (dsp->pcm_slot_tx >= 0)
- return;
- if (dsp->echo) {
+ /* in case of software echo */
+ if (dsp->echo.software) {
nskb = skb_clone(skb, GFP_ATOMIC);
if (nskb) {
hh = mISDN_HEAD_P(nskb);
@@ -1909,7 +1944,7 @@ dsp_cmx_hdlc(struct dsp *dsp, struct sk_buff *skb)
if (dsp->conf->hardware)
return;
list_for_each_entry(member, &dsp->conf->mlist, list) {
- if (dsp->echo || member->dsp != dsp) {
+ if (dsp->echo.software || member->dsp != dsp) {
nskb = skb_clone(skb, GFP_ATOMIC);
if (nskb) {
hh = mISDN_HEAD_P(nskb);
diff --git a/drivers/isdn/mISDN/dsp_core.c b/drivers/isdn/mISDN/dsp_core.c
index 47dbfe298b43..77ee2867c8b4 100644
--- a/drivers/isdn/mISDN/dsp_core.c
+++ b/drivers/isdn/mISDN/dsp_core.c
@@ -203,13 +203,13 @@ dsp_rx_off_member(struct dsp *dsp)
else if (dsp->dtmf.software)
rx_off = 0;
/* echo in software */
- else if (dsp->echo && dsp->pcm_slot_tx < 0)
+ else if (dsp->echo.software)
rx_off = 0;
/* bridge in software */
- else if (dsp->conf) {
- if (dsp->conf->software)
- rx_off = 0;
- }
+ else if (dsp->conf && dsp->conf->software)
+ rx_off = 0;
+ /* data is not required by user space and not required
+ * for echo dtmf detection, soft-echo, soft-bridging */
if (rx_off == dsp->rx_is_off)
return;
@@ -280,7 +280,7 @@ dsp_fill_empty(struct dsp *dsp)
static int
dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb)
{
- struct sk_buff *nskb;
+ struct sk_buff *nskb;
int ret = 0;
int cont;
u8 *data;
@@ -306,15 +306,18 @@ dsp_control_req(struct dsp *dsp, struct mISDNhead *hh, struct sk_buff *skb)
"to %d\n", *((int *)data));
dsp->dtmf.treshold = (*(int *)data) * 10000;
}
+ dsp->dtmf.enable = 1;
/* init goertzel */
dsp_dtmf_goertzel_init(dsp);
/* check dtmf hardware */
dsp_dtmf_hardware(dsp);
+ dsp_rx_off(dsp);
break;
case DTMF_TONE_STOP: /* turn off DTMF */
if (dsp_debug & DEBUG_DSP_CORE)
printk(KERN_DEBUG "%s: stop dtmf\n", __func__);
+ dsp->dtmf.enable = 0;
dsp->dtmf.hardware = 0;
dsp->dtmf.software = 0;
break;
@@ -414,7 +417,7 @@ tone_off:
dsp_rx_off(dsp);
break;
case DSP_ECHO_ON: /* enable echo */
- dsp->echo = 1; /* soft echo */
+ dsp->echo.software = 1; /* soft echo */
if (dsp_debug & DEBUG_DSP_CORE)
printk(KERN_DEBUG "%s: enable cmx-echo\n", __func__);
dsp_cmx_hardware(dsp->conf, dsp);
@@ -423,7 +426,8 @@ tone_off:
dsp_cmx_debug(dsp);
break;
case DSP_ECHO_OFF: /* disable echo */
- dsp->echo = 0;
+ dsp->echo.software = 0;
+ dsp->echo.hardware = 0;
if (dsp_debug & DEBUG_DSP_CORE)
printk(KERN_DEBUG "%s: disable cmx-echo\n", __func__);
dsp_cmx_hardware(dsp->conf, dsp);
@@ -556,7 +560,7 @@ tone_off:
dsp->pipeline.inuse = 1;
dsp_cmx_hardware(dsp->conf, dsp);
ret = dsp_pipeline_build(&dsp->pipeline,
- len > 0 ? (char *)data : NULL);
+ len > 0 ? data : NULL);
dsp_cmx_hardware(dsp->conf, dsp);
dsp_rx_off(dsp);
}
@@ -657,11 +661,10 @@ get_features(struct mISDNchannel *ch)
static int
dsp_function(struct mISDNchannel *ch, struct sk_buff *skb)
{
- struct dsp *dsp = container_of(ch, struct dsp, ch);
+ struct dsp *dsp = container_of(ch, struct dsp, ch);
struct mISDNhead *hh;
int ret = 0;
- u8 *digits;
- int cont;
+ u8 *digits = NULL;
u_long flags;
hh = mISDN_HEAD_P(skb);
@@ -704,50 +707,55 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb)
break;
}
+ spin_lock_irqsave(&dsp_lock, flags);
+
/* decrypt if enabled */
if (dsp->bf_enable)
dsp_bf_decrypt(dsp, skb->data, skb->len);
/* pipeline */
if (dsp->pipeline.inuse)
dsp_pipeline_process_rx(&dsp->pipeline, skb->data,
- skb->len);
+ skb->len, hh->id);
/* change volume if requested */
if (dsp->rx_volume)
dsp_change_volume(skb, dsp->rx_volume);
-
/* check if dtmf soft decoding is turned on */
if (dsp->dtmf.software) {
digits = dsp_dtmf_goertzel_decode(dsp, skb->data,
- skb->len, (dsp_options&DSP_OPT_ULAW)?1:0);
+ skb->len, (dsp_options&DSP_OPT_ULAW) ? 1 : 0);
+ }
+ /* we need to process receive data if software */
+ if (dsp->conf && dsp->conf->software) {
+ /* process data from card at cmx */
+ dsp_cmx_receive(dsp, skb);
+ }
+
+ spin_unlock_irqrestore(&dsp_lock, flags);
+
+ /* send dtmf result, if any */
+ if (digits) {
while (*digits) {
+ int k;
struct sk_buff *nskb;
if (dsp_debug & DEBUG_DSP_DTMF)
printk(KERN_DEBUG "%s: digit"
"(%c) to layer %s\n",
__func__, *digits, dsp->name);
- cont = DTMF_TONE_VAL | *digits;
+ k = *digits | DTMF_TONE_VAL;
nskb = _alloc_mISDN_skb(PH_CONTROL_IND,
- MISDN_ID_ANY, sizeof(int), &cont,
- GFP_ATOMIC);
+ MISDN_ID_ANY, sizeof(int), &k,
+ GFP_ATOMIC);
if (nskb) {
if (dsp->up) {
if (dsp->up->send(
dsp->up, nskb))
- dev_kfree_skb(nskb);
+ dev_kfree_skb(nskb);
} else
dev_kfree_skb(nskb);
}
digits++;
}
}
- /* we need to process receive data if software */
- spin_lock_irqsave(&dsp_lock, flags);
- if (dsp->pcm_slot_tx < 0 && dsp->pcm_slot_rx < 0) {
- /* process data from card at cmx */
- dsp_cmx_receive(dsp, skb);
- }
- spin_unlock_irqrestore(&dsp_lock, flags);
-
if (dsp->rx_disabled) {
/* if receive is not allowed */
break;
@@ -787,7 +795,7 @@ dsp_function(struct mISDNchannel *ch, struct sk_buff *skb)
if (dsp->up) {
if (dsp->up->send(
dsp->up, nskb))
- dev_kfree_skb(nskb);
+ dev_kfree_skb(nskb);
} else
dev_kfree_skb(nskb);
}
@@ -946,7 +954,7 @@ dsp_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
int err = 0;
if (debug & DEBUG_DSP_CTRL)
- printk(KERN_DEBUG "%s:(%x)\n", __func__, cmd);
+ printk(KERN_DEBUG "%s:(%x)\n", __func__, cmd);
switch (cmd) {
case OPEN_CHANNEL:
@@ -1169,9 +1177,9 @@ static int dsp_init(void)
/* init conversion tables */
dsp_audio_generate_law_tables();
- dsp_silence = (dsp_options&DSP_OPT_ULAW)?0xff:0x2a;
- dsp_audio_law_to_s32 = (dsp_options&DSP_OPT_ULAW)?dsp_audio_ulaw_to_s32:
- dsp_audio_alaw_to_s32;
+ dsp_silence = (dsp_options&DSP_OPT_ULAW) ? 0xff : 0x2a;
+ dsp_audio_law_to_s32 = (dsp_options&DSP_OPT_ULAW) ?
+ dsp_audio_ulaw_to_s32 : dsp_audio_alaw_to_s32;
dsp_audio_generate_s2law_table();
dsp_audio_generate_seven();
dsp_audio_generate_mix_table();
diff --git a/drivers/isdn/mISDN/dsp_dtmf.c b/drivers/isdn/mISDN/dsp_dtmf.c
index efc371c1f0dc..9ae2d33b06f7 100644
--- a/drivers/isdn/mISDN/dsp_dtmf.c
+++ b/drivers/isdn/mISDN/dsp_dtmf.c
@@ -51,6 +51,9 @@ void dsp_dtmf_hardware(struct dsp *dsp)
{
int hardware = 1;
+ if (!dsp->dtmf.enable)
+ return;
+
if (!dsp->features.hfc_dtmf)
hardware = 0;
diff --git a/drivers/isdn/mISDN/dsp_ecdis.h b/drivers/isdn/mISDN/dsp_ecdis.h
index 8a20af43308b..21dbd153ee26 100644
--- a/drivers/isdn/mISDN/dsp_ecdis.h
+++ b/drivers/isdn/mISDN/dsp_ecdis.h
@@ -91,7 +91,7 @@ int16_t amp)
&& det->tone_cycle_duration <= 475*8) {
det->good_cycles++;
if (det->good_cycles > 2)
- det->hit = TRUE;
+ det->hit = TRUE;
}
det->tone_cycle_duration = 0;
}
diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 18cf87c113e7..e9941678edfa 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -55,20 +55,19 @@ static ssize_t
attr_show_args(struct device *dev, struct device_attribute *attr, char *buf)
{
struct mISDN_dsp_element *elem = dev_get_drvdata(dev);
- ssize_t len = 0;
- int i = 0;
+ int i;
+ char *p = buf;
*buf = 0;
- for (; i < elem->num_args; ++i)
- len = sprintf(buf, "%sName: %s\n%s%s%sDescription: %s\n"
- "\n", buf,
+ for (i = 0; i < elem->num_args; i++)
+ p += sprintf(p, "Name: %s\n%s%s%sDescription: %s\n\n",
elem->args[i].name,
elem->args[i].def ? "Default: " : "",
elem->args[i].def ? elem->args[i].def : "",
elem->args[i].def ? "\n" : "",
elem->args[i].desc);
- return len;
+ return p - buf;
}
static struct device_attribute element_attributes[] = {
@@ -347,7 +346,8 @@ void dsp_pipeline_process_tx(struct dsp_pipeline *pipeline, u8 *data, int len)
entry->elem->process_tx(entry->p, data, len);
}
-void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
+void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len,
+ unsigned int txlen)
{
struct dsp_pipeline_entry *entry;
@@ -356,7 +356,7 @@ void dsp_pipeline_process_rx(struct dsp_pipeline *pipeline, u8 *data, int len)
list_for_each_entry_reverse(entry, &pipeline->list, list)
if (entry->elem->process_rx)
- entry->elem->process_rx(entry->p, data, len);
+ entry->elem->process_rx(entry->p, data, len, txlen);
}
diff --git a/drivers/isdn/mISDN/dsp_tones.c b/drivers/isdn/mISDN/dsp_tones.c
index 7a9af66f4b19..1debf53670de 100644
--- a/drivers/isdn/mISDN/dsp_tones.c
+++ b/drivers/isdn/mISDN/dsp_tones.c
@@ -253,18 +253,24 @@ static struct pattern {
{8000, 0, 0, 0, 0, 0, 0, 0, 0, 0} },
{TONE_GERMAN_DIALPBX,
- {DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL, NULL},
- {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL, NULL},
+ {DATA_GA, DATA_S, DATA_GA, DATA_S, DATA_GA, DATA_S, NULL, NULL, NULL,
+ NULL},
+ {SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, SIZE_GA, SIZE_S, NULL, NULL, NULL,
+ NULL},
{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
{TONE_GERMAN_OLDDIALPBX,
- {DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL, NULL},
- {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL, NULL},
+ {DATA_GO, DATA_S, DATA_GO, DATA_S, DATA_GO, DATA_S, NULL, NULL, NULL,
+ NULL},
+ {SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, SIZE_GO, SIZE_S, NULL, NULL, NULL,
+ NULL},
{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
{TONE_AMERICAN_DIALPBX,
- {DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, NULL, NULL, NULL, NULL},
- {SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, NULL, NULL, NULL, NULL},
+ {DATA_DT, DATA_S, DATA_DT, DATA_S, DATA_DT, DATA_S, NULL, NULL, NULL,
+ NULL},
+ {SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, SIZE_DT, SIZE_S, NULL, NULL, NULL,
+ NULL},
{2000, 2000, 2000, 2000, 2000, 12000, 0, 0, 0, 0} },
{TONE_GERMAN_RINGING,
@@ -434,7 +440,7 @@ dsp_tone_hw_message(struct dsp *dsp, u8 *sample, int len)
/* unlocking is not required, because we don't expect a response */
nskb = _alloc_mISDN_skb(PH_CONTROL_REQ,
- (len)?HFC_SPL_LOOP_ON:HFC_SPL_LOOP_OFF, len, sample,
+ (len) ? HFC_SPL_LOOP_ON : HFC_SPL_LOOP_OFF, len, sample,
GFP_ATOMIC);
if (nskb) {
if (dsp->ch.peer) {
@@ -498,8 +504,7 @@ dsp_tone(struct dsp *dsp, int tone)
/* we turn off the tone */
if (!tone) {
- if (dsp->features.hfc_loops)
- if (timer_pending(&tonet->tl))
+ if (dsp->features.hfc_loops && timer_pending(&tonet->tl))
del_timer(&tonet->tl);
if (dsp->features.hfc_loops)
dsp_tone_hw_message(dsp, NULL, 0);
diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c
index ab1168a110ae..0481a0cdf6db 100644
--- a/drivers/isdn/mISDN/hwchannel.c
+++ b/drivers/isdn/mISDN/hwchannel.c
@@ -185,13 +185,13 @@ recv_Echannel(struct dchannel *ech, struct dchannel *dch)
EXPORT_SYMBOL(recv_Echannel);
void
-recv_Bchannel(struct bchannel *bch)
+recv_Bchannel(struct bchannel *bch, unsigned int id)
{
struct mISDNhead *hh;
hh = mISDN_HEAD_P(bch->rx_skb);
hh->prim = PH_DATA_IND;
- hh->id = MISDN_ID_ANY;
+ hh->id = id;
if (bch->rcount >= 64) {
printk(KERN_WARNING "B-channel %p receive queue overflow, "
"fushing!\n", bch);
diff --git a/drivers/isdn/mISDN/l1oip.h b/drivers/isdn/mISDN/l1oip.h
index a23d575449f6..bc26c890d9a2 100644
--- a/drivers/isdn/mISDN/l1oip.h
+++ b/drivers/isdn/mISDN/l1oip.h
@@ -76,7 +76,7 @@ struct l1oip {
struct sockaddr_in sin_local; /* local socket name */
struct sockaddr_in sin_remote; /* remote socket name */
struct msghdr sendmsg; /* ip message to send */
- struct iovec sendiov; /* iov for message */
+ struct kvec sendiov; /* iov for message */
/* frame */
struct l1oip_chan chan[128]; /* channel instances */
diff --git a/drivers/isdn/mISDN/l1oip_codec.c b/drivers/isdn/mISDN/l1oip_codec.c
index e4ecba3d48df..bbfd1b863ed3 100644
--- a/drivers/isdn/mISDN/l1oip_codec.c
+++ b/drivers/isdn/mISDN/l1oip_codec.c
@@ -48,6 +48,7 @@ NOTE: The bytes are handled as they are law-encoded.
#include <linux/vmalloc.h>
#include <linux/mISDNif.h>
+#include <linux/in.h>
#include "core.h"
#include "l1oip.h"
diff --git a/drivers/isdn/mISDN/l1oip_core.c b/drivers/isdn/mISDN/l1oip_core.c
index abe574989572..990e6a7e6674 100644
--- a/drivers/isdn/mISDN/l1oip_core.c
+++ b/drivers/isdn/mISDN/l1oip_core.c
@@ -279,7 +279,6 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
int multi = 0;
u8 frame[len+32];
struct socket *socket = NULL;
- mm_segment_t oldfs;
if (debug & DEBUG_L1OIP_MSG)
printk(KERN_DEBUG "%s: sending data to socket (len = %d)\n",
@@ -308,8 +307,8 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
/* assemble frame */
*p++ = (L1OIP_VERSION<<6) /* version and coding */
- | (hc->pri?0x20:0x00) /* type */
- | (hc->id?0x10:0x00) /* id */
+ | (hc->pri ? 0x20 : 0x00) /* type */
+ | (hc->id ? 0x10 : 0x00) /* id */
| localcodec;
if (hc->id) {
*p++ = hc->id>>24; /* id */
@@ -317,7 +316,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
*p++ = hc->id>>8;
*p++ = hc->id;
}
- *p++ = (multi == 1)?0x80:0x00 + channel; /* m-flag, channel */
+ *p++ = (multi == 1) ? 0x80 : 0x00 + channel; /* m-flag, channel */
if (multi == 1)
*p++ = len; /* length */
*p++ = timebase>>8; /* time base */
@@ -352,10 +351,7 @@ l1oip_socket_send(struct l1oip *hc, u8 localcodec, u8 channel, u32 chanmask,
"= %d)\n", __func__, len);
hc->sendiov.iov_base = frame;
hc->sendiov.iov_len = len;
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- len = sock_sendmsg(socket, &hc->sendmsg, len);
- set_fs(oldfs);
+ len = kernel_sendmsg(socket, &hc->sendmsg, &hc->sendiov, 1, len);
/* give socket back */
hc->socket = socket; /* no locking required */
@@ -401,12 +397,12 @@ l1oip_socket_recv(struct l1oip *hc, u8 remotecodec, u8 channel, u16 timebase,
}
/* prepare message */
- nskb = mI_alloc_skb((remotecodec == 3)?(len<<1):len, GFP_ATOMIC);
+ nskb = mI_alloc_skb((remotecodec == 3) ? (len<<1) : len, GFP_ATOMIC);
if (!nskb) {
printk(KERN_ERR "%s: No mem for skb.\n", __func__);
return;
}
- p = skb_put(nskb, (remotecodec == 3)?(len<<1):len);
+ p = skb_put(nskb, (remotecodec == 3) ? (len<<1) : len);
if (remotecodec == 1 && ulaw)
l1oip_alaw_to_ulaw(buf, len, p);
@@ -458,7 +454,7 @@ l1oip_socket_recv(struct l1oip *hc, u8 remotecodec, u8 channel, u16 timebase,
hc->chan[channel].disorder_flag ^= 1;
if (nskb)
#endif
- queue_ch_frame(&bch->ch, PH_DATA_IND, rx_counter, nskb);
+ queue_ch_frame(&bch->ch, PH_DATA_IND, rx_counter, nskb);
}
}
@@ -660,21 +656,29 @@ l1oip_socket_thread(void *data)
struct l1oip *hc = (struct l1oip *)data;
int ret = 0;
struct msghdr msg;
- struct iovec iov;
- mm_segment_t oldfs;
struct sockaddr_in sin_rx;
- unsigned char recvbuf[1500];
+ unsigned char *recvbuf;
+ size_t recvbuf_size = 1500;
int recvlen;
struct socket *socket = NULL;
DECLARE_COMPLETION(wait);
+ /* allocate buffer memory */
+ recvbuf = kmalloc(recvbuf_size, GFP_KERNEL);
+ if (!recvbuf) {
+ printk(KERN_ERR "%s: Failed to alloc recvbuf.\n", __func__);
+ ret = -ENOMEM;
+ goto fail;
+ }
+
/* make daemon */
allow_signal(SIGTERM);
/* create socket */
if (sock_create(PF_INET, SOCK_DGRAM, IPPROTO_UDP, &socket)) {
printk(KERN_ERR "%s: Failed to create socket.\n", __func__);
- return -EIO;
+ ret = -EIO;
+ goto fail;
}
/* set incoming address */
@@ -708,16 +712,12 @@ l1oip_socket_thread(void *data)
msg.msg_namelen = sizeof(sin_rx);
msg.msg_control = NULL;
msg.msg_controllen = 0;
- msg.msg_iov = &iov;
- msg.msg_iovlen = 1;
/* build send message */
hc->sendmsg.msg_name = &hc->sin_remote;
hc->sendmsg.msg_namelen = sizeof(hc->sin_remote);
hc->sendmsg.msg_control = NULL;
hc->sendmsg.msg_controllen = 0;
- hc->sendmsg.msg_iov = &hc->sendiov;
- hc->sendmsg.msg_iovlen = 1;
/* give away socket */
spin_lock(&hc->socket_lock);
@@ -729,18 +729,18 @@ l1oip_socket_thread(void *data)
printk(KERN_DEBUG "%s: socket created and open\n",
__func__);
while (!signal_pending(current)) {
- iov.iov_base = recvbuf;
- iov.iov_len = sizeof(recvbuf);
- oldfs = get_fs();
- set_fs(KERNEL_DS);
- recvlen = sock_recvmsg(socket, &msg, sizeof(recvbuf), 0);
- set_fs(oldfs);
+ struct kvec iov = {
+ .iov_base = recvbuf,
+ .iov_len = sizeof(recvbuf),
+ };
+ recvlen = kernel_recvmsg(socket, &msg, &iov, 1,
+ sizeof(recvbuf), 0);
if (recvlen > 0) {
l1oip_socket_parse(hc, &sin_rx, recvbuf, recvlen);
} else {
if (debug & DEBUG_L1OIP_SOCKET)
- printk(KERN_WARNING "%s: broken pipe on socket\n",
- __func__);
+ printk(KERN_WARNING
+ "%s: broken pipe on socket\n", __func__);
}
}
@@ -760,6 +760,9 @@ l1oip_socket_thread(void *data)
__func__);
fail:
+ /* free recvbuf */
+ kfree(recvbuf);
+
/* close socket */
if (socket)
sock_release(socket);
@@ -912,7 +915,7 @@ handle_dmsg(struct mISDNchannel *ch, struct sk_buff *skb)
p = skb->data;
l = skb->len;
while (l) {
- ll = (l < L1OIP_MAX_PERFRAME)?l:L1OIP_MAX_PERFRAME;
+ ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME;
l1oip_socket_send(hc, 0, dch->slot, 0,
hc->chan[dch->slot].tx_counter++, p, ll);
p += ll;
@@ -1160,7 +1163,7 @@ handle_bmsg(struct mISDNchannel *ch, struct sk_buff *skb)
p = skb->data;
l = skb->len;
while (l) {
- ll = (l < L1OIP_MAX_PERFRAME)?l:L1OIP_MAX_PERFRAME;
+ ll = (l < L1OIP_MAX_PERFRAME) ? l : L1OIP_MAX_PERFRAME;
l1oip_socket_send(hc, hc->codec, bch->slot, 0,
hc->chan[bch->slot].tx_counter, p, ll);
hc->chan[bch->slot].tx_counter += ll;
@@ -1318,8 +1321,8 @@ init_card(struct l1oip *hc, int pri, int bundle)
spin_lock_init(&hc->socket_lock);
hc->idx = l1oip_cnt;
hc->pri = pri;
- hc->d_idx = pri?16:3;
- hc->b_num = pri?30:2;
+ hc->d_idx = pri ? 16 : 3;
+ hc->b_num = pri ? 30 : 2;
hc->bundle = bundle;
if (hc->pri)
sprintf(hc->name, "l1oip-e1.%d", l1oip_cnt + 1);
@@ -1504,9 +1507,9 @@ l1oip_init(void)
if (debug & DEBUG_L1OIP_INIT)
printk(KERN_DEBUG "%s: interface %d is %s with %s.\n",
- __func__, l1oip_cnt, pri?"PRI":"BRI",
- bundle?"bundled IP packet for all B-channels"
- :"seperate IP packets for every B-channel");
+ __func__, l1oip_cnt, pri ? "PRI" : "BRI",
+ bundle ? "bundled IP packet for all B-channels" :
+ "seperate IP packets for every B-channel");
hc = kzalloc(sizeof(struct l1oip), GFP_ATOMIC);
if (!hc) {
diff --git a/drivers/isdn/mISDN/layer2.c b/drivers/isdn/mISDN/layer2.c
index d6e2863f224a..9c2589e986d6 100644
--- a/drivers/isdn/mISDN/layer2.c
+++ b/drivers/isdn/mISDN/layer2.c
@@ -99,7 +99,7 @@ l2m_debug(struct FsmInst *fi, char *fmt, ...)
if (!(*debug & DEBUG_L2_FSM))
return;
va_start(va, fmt);
- printk(KERN_DEBUG "l2 (tei %d): ", l2->tei);
+ printk(KERN_DEBUG "l2 (sapi %d tei %d): ", l2->sapi, l2->tei);
vprintk(fmt, va);
printk("\n");
va_end(va);
@@ -1859,20 +1859,18 @@ ph_data_indication(struct layer2 *l2, struct mISDNhead *hh, struct sk_buff *skb)
psapi >>= 2;
ptei >>= 1;
if (psapi != l2->sapi) {
- /* not our bussiness
- * printk(KERN_DEBUG "%s: sapi %d/%d sapi mismatch\n",
- * __func__,
- * psapi, l2->sapi);
- */
+ /* not our bussiness */
+ if (*debug & DEBUG_L2)
+ printk(KERN_DEBUG "%s: sapi %d/%d mismatch\n",
+ __func__, psapi, l2->sapi);
dev_kfree_skb(skb);
return 0;
}
if ((ptei != l2->tei) && (ptei != GROUP_TEI)) {
- /* not our bussiness
- * printk(KERN_DEBUG "%s: tei %d/%d sapi %d mismatch\n",
- * __func__,
- * ptei, l2->tei, psapi);
- */
+ /* not our bussiness */
+ if (*debug & DEBUG_L2)
+ printk(KERN_DEBUG "%s: tei %d/%d mismatch\n",
+ __func__, ptei, l2->tei);
dev_kfree_skb(skb);
return 0;
}
@@ -1927,8 +1925,8 @@ l2_send(struct mISDNchannel *ch, struct sk_buff *skb)
int ret = -EINVAL;
if (*debug & DEBUG_L2_RECV)
- printk(KERN_DEBUG "%s: prim(%x) id(%x) tei(%d)\n",
- __func__, hh->prim, hh->id, l2->tei);
+ printk(KERN_DEBUG "%s: prim(%x) id(%x) sapi(%d) tei(%d)\n",
+ __func__, hh->prim, hh->id, l2->sapi, l2->tei);
switch (hh->prim) {
case PH_DATA_IND:
ret = ph_data_indication(l2, hh, skb);
@@ -2068,7 +2066,8 @@ l2_ctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
}
struct layer2 *
-create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
+create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, int tei,
+ int sapi)
{
struct layer2 *l2;
struct channel_req rq;
@@ -2089,7 +2088,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
test_and_set_bit(FLG_LAPD, &l2->flag);
test_and_set_bit(FLG_LAPD_NET, &l2->flag);
test_and_set_bit(FLG_MOD128, &l2->flag);
- l2->sapi = 0;
+ l2->sapi = sapi;
l2->maxlen = MAX_DFRAME_LEN;
if (test_bit(OPTION_L2_PMX, &options))
l2->window = 7;
@@ -2099,7 +2098,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
test_and_set_bit(FLG_PTP, &l2->flag);
if (test_bit(OPTION_L2_FIXEDTEI, &options))
test_and_set_bit(FLG_FIXED_TEI, &l2->flag);
- l2->tei = (u_int)arg;
+ l2->tei = tei;
l2->T200 = 1000;
l2->N200 = 3;
l2->T203 = 10000;
@@ -2114,7 +2113,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
test_and_set_bit(FLG_LAPD, &l2->flag);
test_and_set_bit(FLG_MOD128, &l2->flag);
test_and_set_bit(FLG_ORIG, &l2->flag);
- l2->sapi = 0;
+ l2->sapi = sapi;
l2->maxlen = MAX_DFRAME_LEN;
if (test_bit(OPTION_L2_PMX, &options))
l2->window = 7;
@@ -2124,7 +2123,7 @@ create_l2(struct mISDNchannel *ch, u_int protocol, u_long options, u_long arg)
test_and_set_bit(FLG_PTP, &l2->flag);
if (test_bit(OPTION_L2_FIXEDTEI, &options))
test_and_set_bit(FLG_FIXED_TEI, &l2->flag);
- l2->tei = (u_int)arg;
+ l2->tei = tei;
l2->T200 = 1000;
l2->N200 = 3;
l2->T203 = 10000;
@@ -2180,7 +2179,7 @@ x75create(struct channel_req *crq)
if (crq->protocol != ISDN_P_B_X75SLP)
return -EPROTONOSUPPORT;
- l2 = create_l2(crq->ch, crq->protocol, 0, 0);
+ l2 = create_l2(crq->ch, crq->protocol, 0, 0, 0);
if (!l2)
return -ENOMEM;
crq->ch = &l2->ch;
diff --git a/drivers/isdn/mISDN/layer2.h b/drivers/isdn/mISDN/layer2.h
index 6293f80dc2d3..9547fb3707a3 100644
--- a/drivers/isdn/mISDN/layer2.h
+++ b/drivers/isdn/mISDN/layer2.h
@@ -90,7 +90,7 @@ enum {
#define L2_STATE_COUNT (ST_L2_8+1)
extern struct layer2 *create_l2(struct mISDNchannel *, u_int,
- u_long, u_long);
+ u_long, int, int);
extern int tei_l2(struct layer2 *, u_int, u_long arg);
diff --git a/drivers/isdn/mISDN/socket.c b/drivers/isdn/mISDN/socket.c
index 508945d1b9c1..c36f52137456 100644
--- a/drivers/isdn/mISDN/socket.c
+++ b/drivers/isdn/mISDN/socket.c
@@ -209,7 +209,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
if (memcpy_fromiovec(skb_put(skb, len), msg->msg_iov, len)) {
err = -EFAULT;
- goto drop;
+ goto done;
}
memcpy(mISDN_HEAD_P(skb), skb->data, MISDN_HEADER_LEN);
@@ -222,7 +222,7 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
} else { /* use default for L2 messages */
if ((sk->sk_protocol == ISDN_P_LAPD_TE) ||
(sk->sk_protocol == ISDN_P_LAPD_NT))
- mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
+ mISDN_HEAD_ID(skb) = _pms(sk)->ch.nr;
}
if (*debug & DEBUG_SOCKET)
@@ -230,19 +230,21 @@ mISDN_sock_sendmsg(struct kiocb *iocb, struct socket *sock,
__func__, mISDN_HEAD_ID(skb));
err = -ENODEV;
- if (!_pms(sk)->ch.peer ||
- (err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb)))
- goto drop;
-
- err = len;
+ if (!_pms(sk)->ch.peer)
+ goto done;
+ err = _pms(sk)->ch.recv(_pms(sk)->ch.peer, skb);
+ if (err)
+ goto done;
+ else {
+ skb = NULL;
+ err = len;
+ }
done:
+ if (skb)
+ kfree_skb(skb);
release_sock(sk);
return err;
-
-drop:
- kfree_skb(skb);
- goto done;
}
static int
@@ -292,7 +294,7 @@ static int
data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p)
{
struct mISDN_ctrl_req cq;
- int err = -EINVAL, val;
+ int err = -EINVAL, val[2];
struct mISDNchannel *bchan, *next;
lock_sock(sk);
@@ -328,12 +330,27 @@ data_sock_ioctl_bound(struct sock *sk, unsigned int cmd, void __user *p)
err = -EINVAL;
break;
}
- if (get_user(val, (int __user *)p)) {
+ val[0] = cmd;
+ if (get_user(val[1], (int __user *)p)) {
+ err = -EFAULT;
+ break;
+ }
+ err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr,
+ CONTROL_CHANNEL, val);
+ break;
+ case IMHOLD_L1:
+ if (sk->sk_protocol != ISDN_P_LAPD_NT
+ && sk->sk_protocol != ISDN_P_LAPD_TE) {
+ err = -EINVAL;
+ break;
+ }
+ val[0] = cmd;
+ if (get_user(val[1], (int __user *)p)) {
err = -EFAULT;
break;
}
err = _pms(sk)->dev->teimgr->ctrl(_pms(sk)->dev->teimgr,
- CONTROL_CHANNEL, &val);
+ CONTROL_CHANNEL, val);
break;
default:
err = -EINVAL;
diff --git a/drivers/isdn/mISDN/tei.c b/drivers/isdn/mISDN/tei.c
index b452dead8fd0..e04bad6c5baf 100644
--- a/drivers/isdn/mISDN/tei.c
+++ b/drivers/isdn/mISDN/tei.c
@@ -122,8 +122,11 @@ da_deactivate(struct FsmInst *fi, int event, void *arg)
}
read_unlock_irqrestore(&mgr->lock, flags);
/* All TEI are inactiv */
- mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 1);
- mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+ if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+ mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+ NULL, 1);
+ mISDN_FsmChangeState(fi, ST_L1_DEACT_PENDING);
+ }
}
static void
@@ -132,9 +135,11 @@ da_ui(struct FsmInst *fi, int event, void *arg)
struct manager *mgr = fi->userdata;
/* restart da timer */
- mISDN_FsmDelTimer(&mgr->datimer, 2);
- mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER, NULL, 2);
-
+ if (!test_bit(OPTION_L1_HOLD, &mgr->options)) {
+ mISDN_FsmDelTimer(&mgr->datimer, 2);
+ mISDN_FsmAddTimer(&mgr->datimer, DATIMER_VAL, EV_DATIMER,
+ NULL, 2);
+ }
}
static void
@@ -222,7 +227,7 @@ tei_debug(struct FsmInst *fi, char *fmt, ...)
if (!(*debug & DEBUG_L2_TEIFSM))
return;
va_start(va, fmt);
- printk(KERN_DEBUG "tei(%d): ", tm->l2->tei);
+ printk(KERN_DEBUG "sapi(%d) tei(%d): ", tm->l2->sapi, tm->l2->tei);
vprintk(fmt, va);
printk("\n");
va_end(va);
@@ -421,7 +426,7 @@ done:
}
static void
-put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, u_char tei)
+put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, int tei)
{
struct sk_buff *skb;
u_char bp[8];
@@ -435,9 +440,8 @@ put_tei_msg(struct manager *mgr, u_char m_id, unsigned int ri, u_char tei)
bp[4] = ri >> 8;
bp[5] = ri & 0xff;
bp[6] = m_id;
- bp[7] = (tei << 1) | 1;
- skb = _alloc_mISDN_skb(PH_DATA_REQ, new_id(mgr),
- 8, bp, GFP_ATOMIC);
+ bp[7] = ((tei << 1) & 0xff) | 1;
+ skb = _alloc_mISDN_skb(PH_DATA_REQ, new_id(mgr), 8, bp, GFP_ATOMIC);
if (!skb) {
printk(KERN_WARNING "%s: no skb for tei msg\n", __func__);
return;
@@ -772,7 +776,7 @@ tei_ph_data_ind(struct teimgr *tm, u_int mt, u_char *dp, int len)
}
static struct layer2 *
-create_new_tei(struct manager *mgr, int tei)
+create_new_tei(struct manager *mgr, int tei, int sapi)
{
u_long opt = 0;
u_long flags;
@@ -781,12 +785,12 @@ create_new_tei(struct manager *mgr, int tei)
if (!mgr->up)
return NULL;
- if (tei < 64)
+ if ((tei >= 0) && (tei < 64))
test_and_set_bit(OPTION_L2_FIXEDTEI, &opt);
if (mgr->ch.st->dev->Dprotocols
& ((1 << ISDN_P_TE_E1) | (1 << ISDN_P_NT_E1)))
test_and_set_bit(OPTION_L2_PMX, &opt);
- l2 = create_l2(mgr->up, ISDN_P_LAPD_NT, (u_int)opt, (u_long)tei);
+ l2 = create_l2(mgr->up, ISDN_P_LAPD_NT, opt, tei, sapi);
if (!l2) {
printk(KERN_WARNING "%s:no memory for layer2\n", __func__);
return NULL;
@@ -834,12 +838,17 @@ new_tei_req(struct manager *mgr, u_char *dp)
ri += dp[1];
if (!mgr->up)
goto denied;
- tei = get_free_tei(mgr);
+ if (!(dp[3] & 1)) /* Extension bit != 1 */
+ goto denied;
+ if (dp[3] != 0xff)
+ tei = dp[3] >> 1; /* 3GPP TS 08.56 6.1.11.2 */
+ else
+ tei = get_free_tei(mgr);
if (tei < 0) {
printk(KERN_WARNING "%s:No free tei\n", __func__);
goto denied;
}
- l2 = create_new_tei(mgr, tei);
+ l2 = create_new_tei(mgr, tei, CTRL_SAPI);
if (!l2)
goto denied;
else
@@ -853,8 +862,7 @@ static int
ph_data_ind(struct manager *mgr, struct sk_buff *skb)
{
int ret = -EINVAL;
- struct layer2 *l2;
- u_long flags;
+ struct layer2 *l2, *nl2;
u_char mt;
if (skb->len < 8) {
@@ -863,7 +871,6 @@ ph_data_ind(struct manager *mgr, struct sk_buff *skb)
__func__, skb->len);
goto done;
}
- if (*debug & DEBUG_L2_TEI)
if ((skb->data[0] >> 2) != TEI_SAPI) /* not for us */
goto done;
@@ -900,11 +907,9 @@ ph_data_ind(struct manager *mgr, struct sk_buff *skb)
new_tei_req(mgr, &skb->data[4]);
goto done;
}
- read_lock_irqsave(&mgr->lock, flags);
- list_for_each_entry(l2, &mgr->layer2, list) {
+ list_for_each_entry_safe(l2, nl2, &mgr->layer2, list) {
tei_ph_data_ind(l2->tm, mt, &skb->data[4], skb->len - 4);
}
- read_unlock_irqrestore(&mgr->lock, flags);
done:
return ret;
}
@@ -971,8 +976,6 @@ create_teimgr(struct manager *mgr, struct channel_req *crq)
__func__, dev_name(&mgr->ch.st->dev->dev),
crq->protocol, crq->adr.dev, crq->adr.channel,
crq->adr.sapi, crq->adr.tei);
- if (crq->adr.sapi != 0) /* not supported yet */
- return -EINVAL;
if (crq->adr.tei > GROUP_TEI)
return -EINVAL;
if (crq->adr.tei < 64)
@@ -1019,8 +1022,8 @@ create_teimgr(struct manager *mgr, struct channel_req *crq)
}
return 0;
}
- l2 = create_l2(crq->ch, crq->protocol, (u_int)opt,
- (u_long)crq->adr.tei);
+ l2 = create_l2(crq->ch, crq->protocol, opt,
+ crq->adr.tei, crq->adr.sapi);
if (!l2)
return -ENOMEM;
l2->tm = kzalloc(sizeof(struct teimgr), GFP_KERNEL);
@@ -1103,6 +1106,7 @@ free_teimanager(struct manager *mgr)
{
struct layer2 *l2, *nl2;
+ test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
if (test_bit(MGR_OPT_NETWORK, &mgr->options)) {
/* not locked lock is taken in release tei */
mgr->up = NULL;
@@ -1133,13 +1137,26 @@ static int
ctrl_teimanager(struct manager *mgr, void *arg)
{
/* currently we only have one option */
- int clean = *((int *)arg);
-
- if (clean)
- test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
- else
- test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
- return 0;
+ int *val = (int *)arg;
+ int ret = 0;
+
+ switch (val[0]) {
+ case IMCLEAR_L2:
+ if (val[1])
+ test_and_set_bit(OPTION_L2_CLEANUP, &mgr->options);
+ else
+ test_and_clear_bit(OPTION_L2_CLEANUP, &mgr->options);
+ break;
+ case IMHOLD_L1:
+ if (val[1])
+ test_and_set_bit(OPTION_L1_HOLD, &mgr->options);
+ else
+ test_and_clear_bit(OPTION_L1_HOLD, &mgr->options);
+ break;
+ default:
+ ret = -EINVAL;
+ }
+ return ret;
}
/* This function does create a L2 for fixed TEI in NT Mode */
@@ -1147,7 +1164,7 @@ static int
check_data(struct manager *mgr, struct sk_buff *skb)
{
struct mISDNhead *hh = mISDN_HEAD_P(skb);
- int ret, tei;
+ int ret, tei, sapi;
struct layer2 *l2;
if (*debug & DEBUG_L2_CTRL)
@@ -1159,20 +1176,27 @@ check_data(struct manager *mgr, struct sk_buff *skb)
return -ENOTCONN;
if (skb->len != 3)
return -ENOTCONN;
- if (skb->data[0] != 0)
- /* only SAPI 0 command */
- return -ENOTCONN;
+ if (skb->data[0] & 3) /* EA0 and CR must be 0 */
+ return -EINVAL;
+ sapi = skb->data[0] >> 2;
if (!(skb->data[1] & 1)) /* invalid EA1 */
return -EINVAL;
- tei = skb->data[1] >> 0;
+ tei = skb->data[1] >> 1;
if (tei > 63) /* not a fixed tei */
return -ENOTCONN;
if ((skb->data[2] & ~0x10) != SABME)
return -ENOTCONN;
/* We got a SABME for a fixed TEI */
- l2 = create_new_tei(mgr, tei);
- if (!l2)
+ if (*debug & DEBUG_L2_CTRL)
+ printk(KERN_DEBUG "%s: SABME sapi(%d) tei(%d)\n",
+ __func__, sapi, tei);
+ l2 = create_new_tei(mgr, tei, sapi);
+ if (!l2) {
+ if (*debug & DEBUG_L2_CTRL)
+ printk(KERN_DEBUG "%s: failed to create new tei\n",
+ __func__);
return -ENOMEM;
+ }
ret = l2->ch.send(&l2->ch, skb);
return ret;
}
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index bbd99d3282c0..5b7e9bf514f1 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -259,7 +259,7 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
return ret;
}
-static struct file_operations mISDN_fops = {
+static const struct file_operations mISDN_fops = {
.read = mISDN_read,
.poll = mISDN_poll,
.ioctl = mISDN_ioctl,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.