#include "gigaset.h"
#include <linux/isdnif.h>
+#include <linux/slab.h>
#define HW_HDR_LEN 2 /* Header size used to store ack info */
static int writebuf_from_LL(int driverID, int channel, int ack,
struct sk_buff *skb)
{
- struct cardstate *cs;
+ struct cardstate *cs = gigaset_get_cs_by_id(driverID);
struct bc_state *bcs;
+ unsigned char *ack_header;
unsigned len;
- unsigned skblen;
- if (!(cs = gigaset_get_cs_by_id(driverID))) {
+ if (!cs) {
pr_err("%s: invalid driver ID (%d)\n", __func__, driverID);
return -ENODEV;
}
return -EINVAL;
}
- skblen = ack ? len : 0;
- skb->head[0] = skblen & 0xff;
- skb->head[1] = skblen >> 8;
- gig_dbg(DEBUG_MCMD, "skb: len=%u, skblen=%u: %02x %02x",
- len, skblen, (unsigned) skb->head[0], (unsigned) skb->head[1]);
+ /* set up acknowledgement header */
+ if (skb_headroom(skb) < HW_HDR_LEN) {
+ /* should never happen */
+ dev_err(cs->dev, "%s: insufficient skb headroom\n", __func__);
+ return -ENOMEM;
+ }
+ skb_set_mac_header(skb, -HW_HDR_LEN);
+ skb->mac_len = HW_HDR_LEN;
+ ack_header = skb_mac_header(skb);
+ if (ack) {
+ ack_header[0] = len & 0xff;
+ ack_header[1] = len >> 8;
+ } else {
+ ack_header[0] = ack_header[1] = 0;
+ }
+ gig_dbg(DEBUG_MCMD, "skb: len=%u, ack=%d: %02x %02x",
+ len, ack, ack_header[0], ack_header[1]);
/* pass to device-specific module */
return cs->ops->send_skb(bcs, skb);
void gigaset_skb_sent(struct bc_state *bcs, struct sk_buff *skb)
{
isdn_if *iif = bcs->cs->iif;
+ unsigned char *ack_header = skb_mac_header(skb);
unsigned len;
isdn_ctrl response;
dev_warn(bcs->cs->dev, "%s: skb->len==%d\n",
__func__, skb->len);
- len = (unsigned char) skb->head[0] |
- (unsigned) (unsigned char) skb->head[1] << 8;
+ len = ack_header[0] + ((unsigned) ack_header[1] << 8);
if (len) {
gig_dbg(DEBUG_MCMD, "ACKing to LL (id: %d, ch: %d, sz: %u)",
bcs->cs->myid, bcs->channel, len);
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);
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);
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);
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;
}
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);
}
break;
- case ISDN_CMD_PROCEED:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_PROCEED"); //FIXME
- break;
- case ISDN_CMD_ALERT:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_ALERT"); //FIXME
- if (cntrl->arg >= cs->channels) {
- dev_err(cs->dev,
- "ISDN_CMD_ALERT: invalid channel (%d)\n",
- (int) cntrl->arg);
- return -EINVAL;
- }
- //bcs = cs->bcs + cntrl->arg;
- //bcs->proto2 = -1;
- // FIXME
- break;
- case ISDN_CMD_REDIR:
- gig_dbg(DEBUG_ANY, "ISDN_CMD_REDIR"); //FIXME
- 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;
}
/* fill ICALL structure */
response.parm.setup.si1 = 0; /* default: unknown */
response.parm.setup.si2 = 0;
- response.parm.setup.screen = 0; //FIXME how to set these?
+ response.parm.setup.screen = 0;
response.parm.setup.plan = 0;
if (!at_state->str_var[STR_ZBC]) {
/* no BC (internal call): assume speech, A-law */
return ICALL_IGNORE;
}
if (at_state->str_var[STR_NMBR]) {
- strncpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
- sizeof response.parm.setup.phone - 1);
- response.parm.setup.phone[sizeof response.parm.setup.phone - 1] = 0;
+ strlcpy(response.parm.setup.phone, at_state->str_var[STR_NMBR],
+ sizeof response.parm.setup.phone);
} else
response.parm.setup.phone[0] = 0;
if (at_state->str_var[STR_ZCPN]) {
- strncpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
- sizeof response.parm.setup.eazmsn - 1);
- response.parm.setup.eazmsn[sizeof response.parm.setup.eazmsn - 1] = 0;
+ strlcpy(response.parm.setup.eazmsn, at_state->str_var[STR_ZCPN],
+ sizeof response.parm.setup.eazmsn);
} else
response.parm.setup.eazmsn[0] = 0;
if (!bcs) {
dev_notice(cs->dev, "no channel for incoming call\n");
response.command = ISDN_STAT_ICALLW;
- response.arg = 0; //FIXME
+ response.arg = 0;
} else {
gig_dbg(DEBUG_CMD, "Sending ICALL");
response.command = ISDN_STAT_ICALL;
- response.arg = bcs->channel; //FIXME
+ response.arg = bcs->channel;
}
response.driver = cs->myid;
retval = iif->statcallb(&response);
}
/**
- * gigaset_isdn_register() - register to LL
+ * gigaset_isdn_regdev() - register to LL
* @cs: device descriptor structure.
* @isdnid: device name.
*
- * Called by main module to register the device with the LL.
- *
* Return value: 1 for success, 0 for failure
*/
-int gigaset_isdn_register(struct cardstate *cs, const char *isdnid)
+int gigaset_isdn_regdev(struct cardstate *cs, const char *isdnid)
{
isdn_if *iif;
}
/**
- * gigaset_isdn_unregister() - unregister from LL
+ * gigaset_isdn_unregdev() - unregister device from LL
* @cs: device descriptor structure.
- *
- * Called by main module to unregister the device from the LL.
*/
-void gigaset_isdn_unregister(struct cardstate *cs)
+void gigaset_isdn_unregdev(struct cardstate *cs)
{
gig_dbg(DEBUG_CMD, "sending UNLOAD");
gigaset_i4l_cmd(cs, ISDN_STAT_UNLOAD);
kfree(cs->iif);
cs->iif = NULL;
}
+
+/**
+ * gigaset_isdn_regdrv() - register driver to LL
+ */
+void gigaset_isdn_regdrv(void)
+{
+ /* nothing to do */
+}
+
+/**
+ * gigaset_isdn_unregdrv() - unregister driver from LL
+ */
+void gigaset_isdn_unregdrv(void)
+{
+ /* nothing to do */
+}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff