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path: root/drivers/isdn/pcbit/capi.c
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Diffstat (limited to 'drivers/isdn/pcbit/capi.c')
-rw-r--r--drivers/isdn/pcbit/capi.c585
1 files changed, 290 insertions, 295 deletions
diff --git a/drivers/isdn/pcbit/capi.c b/drivers/isdn/pcbit/capi.c
index ac5a91ccde81..4e3cbf857d60 100644
--- a/drivers/isdn/pcbit/capi.c
+++ b/drivers/isdn/pcbit/capi.c
@@ -3,10 +3,10 @@
* Portugal Telecom CAPI 2.0
*
* Copyright (C) 1996 Universidade de Lisboa
- *
+ *
* Written by Pedro Roque Marques (roque@di.fc.ul.pt)
*
- * This software may be used and distributed according to the terms of
+ * This software may be used and distributed according to the terms of
* the GNU General Public License, incorporated herein by reference.
*
* Not compatible with the AVM Gmbh. CAPI 2.0
@@ -51,39 +51,39 @@
*
*/
-int capi_conn_req(const char * calledPN, struct sk_buff **skb, int proto)
+int capi_conn_req(const char *calledPN, struct sk_buff **skb, int proto)
{
- ushort len;
-
- /*
- * length
- * AppInfoMask - 2
- * BC0 - 3
- * BC1 - 1
- * Chan - 2
- * Keypad - 1
- * CPN - 1
- * CPSA - 1
- * CalledPN - 2 + strlen
- * CalledPSA - 1
- * rest... - 4
- * ----------------
- * Total 18 + strlen
- */
-
- len = 18 + strlen(calledPN);
+ ushort len;
+
+ /*
+ * length
+ * AppInfoMask - 2
+ * BC0 - 3
+ * BC1 - 1
+ * Chan - 2
+ * Keypad - 1
+ * CPN - 1
+ * CPSA - 1
+ * CalledPN - 2 + strlen
+ * CalledPSA - 1
+ * rest... - 4
+ * ----------------
+ * Total 18 + strlen
+ */
+
+ len = 18 + strlen(calledPN);
if (proto == ISDN_PROTO_L2_TRANS)
len++;
if ((*skb = dev_alloc_skb(len)) == NULL) {
-
- printk(KERN_WARNING "capi_conn_req: alloc_skb failed\n");
+
+ printk(KERN_WARNING "capi_conn_req: alloc_skb failed\n");
return -1;
}
- /* InfoElmMask */
- *((ushort*) skb_put(*skb, 2)) = AppInfoMask;
+ /* InfoElmMask */
+ *((ushort *)skb_put(*skb, 2)) = AppInfoMask;
if (proto == ISDN_PROTO_L2_TRANS)
{
@@ -101,162 +101,162 @@ int capi_conn_req(const char * calledPN, struct sk_buff **skb, int proto)
*(skb_put(*skb, 1)) = 0x90; /* BC0.Octect4 */
}
- /* Bearer Capability - Optional*/
- *(skb_put(*skb, 1)) = 0; /* BC1.Length = 0 */
+ /* Bearer Capability - Optional*/
+ *(skb_put(*skb, 1)) = 0; /* BC1.Length = 0 */
- *(skb_put(*skb, 1)) = 1; /* ChannelID.Length = 1 */
- *(skb_put(*skb, 1)) = 0x83; /* Basic Interface - Any Channel */
+ *(skb_put(*skb, 1)) = 1; /* ChannelID.Length = 1 */
+ *(skb_put(*skb, 1)) = 0x83; /* Basic Interface - Any Channel */
- *(skb_put(*skb, 1)) = 0; /* Keypad.Length = 0 */
-
+ *(skb_put(*skb, 1)) = 0; /* Keypad.Length = 0 */
- *(skb_put(*skb, 1)) = 0; /* CallingPN.Length = 0 */
- *(skb_put(*skb, 1)) = 0; /* CallingPSA.Length = 0 */
- /* Called Party Number */
- *(skb_put(*skb, 1)) = strlen(calledPN) + 1;
- *(skb_put(*skb, 1)) = 0x81;
- memcpy(skb_put(*skb, strlen(calledPN)), calledPN, strlen(calledPN));
+ *(skb_put(*skb, 1)) = 0; /* CallingPN.Length = 0 */
+ *(skb_put(*skb, 1)) = 0; /* CallingPSA.Length = 0 */
- /* '#' */
+ /* Called Party Number */
+ *(skb_put(*skb, 1)) = strlen(calledPN) + 1;
+ *(skb_put(*skb, 1)) = 0x81;
+ memcpy(skb_put(*skb, strlen(calledPN)), calledPN, strlen(calledPN));
- *(skb_put(*skb, 1)) = 0; /* CalledPSA.Length = 0 */
+ /* '#' */
- /* LLC.Length = 0; */
- /* HLC0.Length = 0; */
- /* HLC1.Length = 0; */
- /* UTUS.Length = 0; */
- memset(skb_put(*skb, 4), 0, 4);
+ *(skb_put(*skb, 1)) = 0; /* CalledPSA.Length = 0 */
- return len;
+ /* LLC.Length = 0; */
+ /* HLC0.Length = 0; */
+ /* HLC1.Length = 0; */
+ /* UTUS.Length = 0; */
+ memset(skb_put(*skb, 4), 0, 4);
+
+ return len;
}
-int capi_conn_resp(struct pcbit_chan* chan, struct sk_buff **skb)
+int capi_conn_resp(struct pcbit_chan *chan, struct sk_buff **skb)
{
-
+
if ((*skb = dev_alloc_skb(5)) == NULL) {
-
+
printk(KERN_WARNING "capi_conn_resp: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
- *(skb_put(*skb, 1)) = 0x01; /* ACCEPT_CALL */
- *(skb_put(*skb, 1)) = 0;
- *(skb_put(*skb, 1)) = 0;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
+ *(skb_put(*skb, 1)) = 0x01; /* ACCEPT_CALL */
+ *(skb_put(*skb, 1)) = 0;
+ *(skb_put(*skb, 1)) = 0;
- return 5;
+ return 5;
}
-int capi_conn_active_req(struct pcbit_chan* chan, struct sk_buff **skb)
+int capi_conn_active_req(struct pcbit_chan *chan, struct sk_buff **skb)
{
- /*
- * 8 bytes
- */
-
+ /*
+ * 8 bytes
+ */
+
if ((*skb = dev_alloc_skb(8)) == NULL) {
-
+
printk(KERN_WARNING "capi_conn_active_req: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
#ifdef DEBUG
- printk(KERN_DEBUG "Call Reference: %04x\n", chan->callref);
+ printk(KERN_DEBUG "Call Reference: %04x\n", chan->callref);
#endif
- *(skb_put(*skb, 1)) = 0; /* BC.Length = 0; */
- *(skb_put(*skb, 1)) = 0; /* ConnectedPN.Length = 0 */
- *(skb_put(*skb, 1)) = 0; /* PSA.Length */
- *(skb_put(*skb, 1)) = 0; /* LLC.Length = 0; */
- *(skb_put(*skb, 1)) = 0; /* HLC.Length = 0; */
- *(skb_put(*skb, 1)) = 0; /* UTUS.Length = 0; */
+ *(skb_put(*skb, 1)) = 0; /* BC.Length = 0; */
+ *(skb_put(*skb, 1)) = 0; /* ConnectedPN.Length = 0 */
+ *(skb_put(*skb, 1)) = 0; /* PSA.Length */
+ *(skb_put(*skb, 1)) = 0; /* LLC.Length = 0; */
+ *(skb_put(*skb, 1)) = 0; /* HLC.Length = 0; */
+ *(skb_put(*skb, 1)) = 0; /* UTUS.Length = 0; */
return 8;
}
-int capi_conn_active_resp(struct pcbit_chan* chan, struct sk_buff **skb)
+int capi_conn_active_resp(struct pcbit_chan *chan, struct sk_buff **skb)
{
- /*
- * 2 bytes
- */
-
+ /*
+ * 2 bytes
+ */
+
if ((*skb = dev_alloc_skb(2)) == NULL) {
-
+
printk(KERN_WARNING "capi_conn_active_resp: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
- return 2;
+ return 2;
}
-int capi_select_proto_req(struct pcbit_chan *chan, struct sk_buff **skb,
- int outgoing)
+int capi_select_proto_req(struct pcbit_chan *chan, struct sk_buff **skb,
+ int outgoing)
{
- /*
- * 18 bytes
- */
+ /*
+ * 18 bytes
+ */
if ((*skb = dev_alloc_skb(18)) == NULL) {
-
+
printk(KERN_WARNING "capi_select_proto_req: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
- /* Layer2 protocol */
+ /* Layer2 protocol */
- switch (chan->proto) {
- case ISDN_PROTO_L2_X75I:
- *(skb_put(*skb, 1)) = 0x05; /* LAPB */
- break;
- case ISDN_PROTO_L2_HDLC:
- *(skb_put(*skb, 1)) = 0x02;
- break;
+ switch (chan->proto) {
+ case ISDN_PROTO_L2_X75I:
+ *(skb_put(*skb, 1)) = 0x05; /* LAPB */
+ break;
+ case ISDN_PROTO_L2_HDLC:
+ *(skb_put(*skb, 1)) = 0x02;
+ break;
case ISDN_PROTO_L2_TRANS:
- /*
+ /*
* Voice (a-law)
*/
*(skb_put(*skb, 1)) = 0x06;
break;
- default:
-#ifdef DEBUG
- printk(KERN_DEBUG "Transparent\n");
+ default:
+#ifdef DEBUG
+ printk(KERN_DEBUG "Transparent\n");
#endif
- *(skb_put(*skb, 1)) = 0x03;
- break;
- }
-
- *(skb_put(*skb, 1)) = (outgoing ? 0x02 : 0x42); /* Don't ask */
- *(skb_put(*skb, 1)) = 0x00;
-
- *((ushort *) skb_put(*skb, 2)) = MRU;
-
-
- *(skb_put(*skb, 1)) = 0x08; /* Modulo */
- *(skb_put(*skb, 1)) = 0x07; /* Max Window */
-
- *(skb_put(*skb, 1)) = 0x01; /* No Layer3 Protocol */
-
- /*
- * 2 - layer3 MTU [10]
- * - Modulo [12]
- * - Window
- * - layer1 proto [14]
- * - bitrate
- * - sub-channel [16]
- * - layer1dataformat [17]
- */
-
- memset(skb_put(*skb, 8), 0, 8);
-
- return 18;
+ *(skb_put(*skb, 1)) = 0x03;
+ break;
+ }
+
+ *(skb_put(*skb, 1)) = (outgoing ? 0x02 : 0x42); /* Don't ask */
+ *(skb_put(*skb, 1)) = 0x00;
+
+ *((ushort *) skb_put(*skb, 2)) = MRU;
+
+
+ *(skb_put(*skb, 1)) = 0x08; /* Modulo */
+ *(skb_put(*skb, 1)) = 0x07; /* Max Window */
+
+ *(skb_put(*skb, 1)) = 0x01; /* No Layer3 Protocol */
+
+ /*
+ * 2 - layer3 MTU [10]
+ * - Modulo [12]
+ * - Window
+ * - layer1 proto [14]
+ * - bitrate
+ * - sub-channel [16]
+ * - layer1dataformat [17]
+ */
+
+ memset(skb_put(*skb, 8), 0, 8);
+
+ return 18;
}
@@ -264,45 +264,45 @@ int capi_activate_transp_req(struct pcbit_chan *chan, struct sk_buff **skb)
{
if ((*skb = dev_alloc_skb(7)) == NULL) {
-
+
printk(KERN_WARNING "capi_activate_transp_req: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
-
- *(skb_put(*skb, 1)) = chan->layer2link; /* Layer2 id */
- *(skb_put(*skb, 1)) = 0x00; /* Transmit by default */
- *((ushort *) skb_put(*skb, 2)) = MRU;
+ *(skb_put(*skb, 1)) = chan->layer2link; /* Layer2 id */
+ *(skb_put(*skb, 1)) = 0x00; /* Transmit by default */
- *(skb_put(*skb, 1)) = 0x01; /* Enables reception*/
+ *((ushort *) skb_put(*skb, 2)) = MRU;
- return 7;
+ *(skb_put(*skb, 1)) = 0x01; /* Enables reception*/
+
+ return 7;
}
-int capi_tdata_req(struct pcbit_chan* chan, struct sk_buff *skb)
+int capi_tdata_req(struct pcbit_chan *chan, struct sk_buff *skb)
{
ushort data_len;
-
- /*
- * callref - 2
+
+ /*
+ * callref - 2
* layer2link - 1
- * wBlockLength - 2
+ * wBlockLength - 2
* data - 4
* sernum - 1
*/
-
+
data_len = skb->len;
- if(skb_headroom(skb) < 10)
+ if (skb_headroom(skb) < 10)
{
printk(KERN_CRIT "No headspace (%u) on headroom %p for capi header\n", skb_headroom(skb), skb);
}
else
- {
+ {
skb_push(skb, 10);
}
@@ -318,58 +318,58 @@ int capi_tdata_req(struct pcbit_chan* chan, struct sk_buff *skb)
return 10;
}
-int capi_tdata_resp(struct pcbit_chan *chan, struct sk_buff ** skb)
-
+int capi_tdata_resp(struct pcbit_chan *chan, struct sk_buff **skb)
+
{
if ((*skb = dev_alloc_skb(4)) == NULL) {
-
+
printk(KERN_WARNING "capi_tdata_resp: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
- *(skb_put(*skb, 1)) = chan->layer2link;
- *(skb_put(*skb, 1)) = chan->r_refnum;
+ *(skb_put(*skb, 1)) = chan->layer2link;
+ *(skb_put(*skb, 1)) = chan->r_refnum;
- return (*skb)->len;
+ return (*skb)->len;
}
int capi_disc_req(ushort callref, struct sk_buff **skb, u_char cause)
{
if ((*skb = dev_alloc_skb(6)) == NULL) {
-
+
printk(KERN_WARNING "capi_disc_req: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2) ) = callref;
+ *((ushort *)skb_put(*skb, 2)) = callref;
- *(skb_put(*skb, 1)) = 2; /* Cause.Length = 2; */
- *(skb_put(*skb, 1)) = 0x80;
- *(skb_put(*skb, 1)) = 0x80 | cause;
+ *(skb_put(*skb, 1)) = 2; /* Cause.Length = 2; */
+ *(skb_put(*skb, 1)) = 0x80;
+ *(skb_put(*skb, 1)) = 0x80 | cause;
- /*
- * Change it: we should send 'Sic transit gloria Mundi' here ;-)
- */
+ /*
+ * Change it: we should send 'Sic transit gloria Mundi' here ;-)
+ */
- *(skb_put(*skb, 1)) = 0; /* UTUS.Length = 0; */
+ *(skb_put(*skb, 1)) = 0; /* UTUS.Length = 0; */
- return 6;
+ return 6;
}
int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb)
{
if ((*skb = dev_alloc_skb(2)) == NULL) {
-
+
printk(KERN_WARNING "capi_disc_resp: alloc_skb failed\n");
return -1;
}
- *((ushort*) skb_put(*skb, 2)) = chan->callref;
+ *((ushort *)skb_put(*skb, 2)) = chan->callref;
- return 2;
+ return 2;
}
@@ -378,57 +378,57 @@ int capi_disc_resp(struct pcbit_chan *chan, struct sk_buff **skb)
*
*/
-int capi_decode_conn_ind(struct pcbit_chan * chan,
- struct sk_buff *skb,
- struct callb_data *info)
+int capi_decode_conn_ind(struct pcbit_chan *chan,
+ struct sk_buff *skb,
+ struct callb_data *info)
{
- int CIlen, len;
+ int CIlen, len;
- /* Call Reference [CAPI] */
- chan->callref = *((ushort*) skb->data);
- skb_pull(skb, 2);
+ /* Call Reference [CAPI] */
+ chan->callref = *((ushort *)skb->data);
+ skb_pull(skb, 2);
#ifdef DEBUG
- printk(KERN_DEBUG "Call Reference: %04x\n", chan->callref);
+ printk(KERN_DEBUG "Call Reference: %04x\n", chan->callref);
#endif
- /* Channel Identification */
+ /* Channel Identification */
- /* Expect
- Len = 1
- Octect 3 = 0100 10CC - [ 7 Basic, 4 , 2-1 chan ]
- */
+ /* Expect
+ Len = 1
+ Octect 3 = 0100 10CC - [ 7 Basic, 4 , 2-1 chan ]
+ */
- CIlen = skb->data[0];
+ CIlen = skb->data[0];
#ifdef DEBUG
- if (CIlen == 1) {
+ if (CIlen == 1) {
- if ( ((skb->data[1]) & 0xFC) == 0x48 )
- printk(KERN_DEBUG "decode_conn_ind: chan ok\n");
- printk(KERN_DEBUG "phyChan = %d\n", skb->data[1] & 0x03);
- }
+ if (((skb->data[1]) & 0xFC) == 0x48)
+ printk(KERN_DEBUG "decode_conn_ind: chan ok\n");
+ printk(KERN_DEBUG "phyChan = %d\n", skb->data[1] & 0x03);
+ }
else
printk(KERN_DEBUG "conn_ind: CIlen = %d\n", CIlen);
#endif
- skb_pull(skb, CIlen + 1);
+ skb_pull(skb, CIlen + 1);
- /* Calling Party Number */
- /* An "additional service" as far as Portugal Telecom is concerned */
+ /* Calling Party Number */
+ /* An "additional service" as far as Portugal Telecom is concerned */
- len = skb->data[0];
+ len = skb->data[0];
if (len > 0) {
int count = 1;
-
+
#ifdef DEBUG
printk(KERN_DEBUG "CPN: Octect 3 %02x\n", skb->data[1]);
#endif
if ((skb->data[1] & 0x80) == 0)
count = 2;
-
+
if (!(info->data.setup.CallingPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
-
+
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CallingPN,
len - count);
@@ -442,22 +442,22 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
skb_pull(skb, len + 1);
- /* Calling Party Subaddress */
- skb_pull(skb, skb->data[0] + 1);
+ /* Calling Party Subaddress */
+ skb_pull(skb, skb->data[0] + 1);
- /* Called Party Number */
+ /* Called Party Number */
- len = skb->data[0];
+ len = skb->data[0];
if (len > 0) {
int count = 1;
-
+
if ((skb->data[1] & 0x80) == 0)
count = 2;
-
+
if (!(info->data.setup.CalledPN = kmalloc(len - count + 1, GFP_ATOMIC)))
return -1;
-
+
skb_copy_from_linear_data_offset(skb, count + 1,
info->data.setup.CalledPN,
len - count);
@@ -471,73 +471,73 @@ int capi_decode_conn_ind(struct pcbit_chan * chan,
skb_pull(skb, len + 1);
- /* Called Party Subaddress */
- skb_pull(skb, skb->data[0] + 1);
+ /* Called Party Subaddress */
+ skb_pull(skb, skb->data[0] + 1);
- /* LLC */
- skb_pull(skb, skb->data[0] + 1);
+ /* LLC */
+ skb_pull(skb, skb->data[0] + 1);
- /* HLC */
- skb_pull(skb, skb->data[0] + 1);
+ /* HLC */
+ skb_pull(skb, skb->data[0] + 1);
- /* U2U */
- skb_pull(skb, skb->data[0] + 1);
+ /* U2U */
+ skb_pull(skb, skb->data[0] + 1);
- return 0;
+ return 0;
}
/*
* returns errcode
*/
-int capi_decode_conn_conf(struct pcbit_chan * chan, struct sk_buff *skb,
- int *complete)
+int capi_decode_conn_conf(struct pcbit_chan *chan, struct sk_buff *skb,
+ int *complete)
{
- int errcode;
-
- chan->callref = *((ushort *) skb->data); /* Update CallReference */
- skb_pull(skb, 2);
+ int errcode;
+
+ chan->callref = *((ushort *)skb->data); /* Update CallReference */
+ skb_pull(skb, 2);
+
+ errcode = *((ushort *) skb->data); /* read errcode */
+ skb_pull(skb, 2);
- errcode = *((ushort *) skb->data); /* read errcode */
- skb_pull(skb, 2);
+ *complete = *(skb->data);
+ skb_pull(skb, 1);
- *complete = *(skb->data);
- skb_pull(skb, 1);
+ /* FIX ME */
+ /* This is actually a firmware bug */
+ if (!*complete)
+ {
+ printk(KERN_DEBUG "complete=%02x\n", *complete);
+ *complete = 1;
+ }
- /* FIX ME */
- /* This is actually a firmware bug */
- if (!*complete)
- {
- printk(KERN_DEBUG "complete=%02x\n", *complete);
- *complete = 1;
- }
+ /* Optional Bearer Capability */
+ skb_pull(skb, *(skb->data) + 1);
- /* Optional Bearer Capability */
- skb_pull(skb, *(skb->data) + 1);
-
- /* Channel Identification */
- skb_pull(skb, *(skb->data) + 1);
+ /* Channel Identification */
+ skb_pull(skb, *(skb->data) + 1);
- /* High Layer Compatibility follows */
- skb_pull(skb, *(skb->data) + 1);
+ /* High Layer Compatibility follows */
+ skb_pull(skb, *(skb->data) + 1);
- return errcode;
+ return errcode;
}
-int capi_decode_conn_actv_ind(struct pcbit_chan * chan, struct sk_buff *skb)
+int capi_decode_conn_actv_ind(struct pcbit_chan *chan, struct sk_buff *skb)
{
- ushort len;
+ ushort len;
#ifdef DEBUG
- char str[32];
+ char str[32];
#endif
- /* Yet Another Bearer Capability */
- skb_pull(skb, *(skb->data) + 1);
-
+ /* Yet Another Bearer Capability */
+ skb_pull(skb, *(skb->data) + 1);
- /* Connected Party Number */
- len=*(skb->data);
+
+ /* Connected Party Number */
+ len = *(skb->data);
#ifdef DEBUG
if (len > 1 && len < 31) {
@@ -549,106 +549,101 @@ int capi_decode_conn_actv_ind(struct pcbit_chan * chan, struct sk_buff *skb)
printk(KERN_DEBUG "actv_ind CPN len = %d\n", len);
#endif
- skb_pull(skb, len + 1);
+ skb_pull(skb, len + 1);
- /* Connected Subaddress */
- skb_pull(skb, *(skb->data) + 1);
+ /* Connected Subaddress */
+ skb_pull(skb, *(skb->data) + 1);
- /* Low Layer Capability */
- skb_pull(skb, *(skb->data) + 1);
+ /* Low Layer Capability */
+ skb_pull(skb, *(skb->data) + 1);
- /* High Layer Capability */
- skb_pull(skb, *(skb->data) + 1);
+ /* High Layer Capability */
+ skb_pull(skb, *(skb->data) + 1);
- return 0;
+ return 0;
}
-int capi_decode_conn_actv_conf(struct pcbit_chan * chan, struct sk_buff *skb)
+int capi_decode_conn_actv_conf(struct pcbit_chan *chan, struct sk_buff *skb)
{
- ushort errcode;
-
- errcode = *((ushort*) skb->data);
- skb_pull(skb, 2);
-
- /* Channel Identification
- skb_pull(skb, skb->data[0] + 1);
- */
- return errcode;
+ ushort errcode;
+
+ errcode = *((ushort *)skb->data);
+ skb_pull(skb, 2);
+
+ /* Channel Identification
+ skb_pull(skb, skb->data[0] + 1);
+ */
+ return errcode;
}
int capi_decode_sel_proto_conf(struct pcbit_chan *chan, struct sk_buff *skb)
{
- ushort errcode;
-
- chan->layer2link = *(skb->data);
- skb_pull(skb, 1);
+ ushort errcode;
- errcode = *((ushort*) skb->data);
- skb_pull(skb, 2);
+ chan->layer2link = *(skb->data);
+ skb_pull(skb, 1);
- return errcode;
+ errcode = *((ushort *)skb->data);
+ skb_pull(skb, 2);
+
+ return errcode;
}
int capi_decode_actv_trans_conf(struct pcbit_chan *chan, struct sk_buff *skb)
{
- ushort errcode;
+ ushort errcode;
- if (chan->layer2link != *(skb->data) )
- printk("capi_decode_actv_trans_conf: layer2link doesn't match\n");
+ if (chan->layer2link != *(skb->data))
+ printk("capi_decode_actv_trans_conf: layer2link doesn't match\n");
- skb_pull(skb, 1);
+ skb_pull(skb, 1);
- errcode = *((ushort*) skb->data);
- skb_pull(skb, 2);
+ errcode = *((ushort *)skb->data);
+ skb_pull(skb, 2);
- return errcode;
+ return errcode;
}
int capi_decode_disc_ind(struct pcbit_chan *chan, struct sk_buff *skb)
{
- ushort len;
+ ushort len;
#ifdef DEBUG
- int i;
+ int i;
#endif
- /* Cause */
-
- len = *(skb->data);
- skb_pull(skb, 1);
+ /* Cause */
+
+ len = *(skb->data);
+ skb_pull(skb, 1);
#ifdef DEBUG
- for (i=0; i<len; i++)
- printk(KERN_DEBUG "Cause Octect %d: %02x\n", i+3,
- *(skb->data + i));
+ for (i = 0; i < len; i++)
+ printk(KERN_DEBUG "Cause Octect %d: %02x\n", i + 3,
+ *(skb->data + i));
#endif
- skb_pull(skb, len);
+ skb_pull(skb, len);
- return 0;
+ return 0;
}
#ifdef DEBUG
int capi_decode_debug_188(u_char *hdr, ushort hdrlen)
{
- char str[64];
- int len;
-
- len = hdr[0];
-
- if (len < 64 && len == hdrlen - 1) {
- memcpy(str, hdr + 1, hdrlen - 1);
- str[hdrlen - 1] = 0;
- printk("%s\n", str);
- }
- else
- printk("debug message incorrect\n");
-
- return 0;
-}
-#endif
-
-
+ char str[64];
+ int len;
+ len = hdr[0];
+ if (len < 64 && len == hdrlen - 1) {
+ memcpy(str, hdr + 1, hdrlen - 1);
+ str[hdrlen - 1] = 0;
+ printk("%s\n", str);
+ }
+ else
+ printk("debug message incorrect\n");
+ return 0;
+}
+#endif