DAHDI: Deliver ALARM/NOALARM as input signal to RBS2000 driver
... and re-start LAPD SABM as required
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174a51a761
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@ -145,6 +145,8 @@ enum signal_input {
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S_INP_TEI_UP,
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S_INP_TEI_DN,
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S_INP_LINE_INIT,
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S_INP_LINE_ALARM,
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S_INP_LINE_NOALARM,
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};
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struct gsm_subscriber;
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@ -53,7 +53,7 @@ static int shutdown_om(struct gsm_bts *bts)
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/* Tell LAPD to start start the SAP (send SABM requests) for all signalling
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* timeslots in this line */
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static void start_sabm_in_line(struct e1inp_line *line)
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static void start_sabm_in_line(struct e1inp_line *line, int start)
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{
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struct e1inp_sign_link *link;
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int i;
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@ -65,7 +65,10 @@ static void start_sabm_in_line(struct e1inp_line *line)
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continue;
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llist_for_each_entry(link, &ts->sign.sign_links, list) {
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lapd_sap_start(ts->driver.dahdi.lapd, link->tei, link->sapi);
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if (start)
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lapd_sap_start(ts->driver.dahdi.lapd, link->tei, link->sapi);
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else
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lapd_sap_stop(ts->driver.dahdi.lapd, link->tei, link->sapi);
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}
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}
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}
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@ -113,7 +116,17 @@ static int inp_sig_cb(unsigned int subsys, unsigned int signal,
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/* Right now Ericsson RBS are only supported on DAHDI */
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if (strcasecmp(isd->line->driver->name, "DAHDI"))
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break;
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start_sabm_in_line(isd->line);
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start_sabm_in_line(isd->line, 1);
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break;
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case S_INP_LINE_ALARM:
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if (strcasecmp(isd->line->driver->name, "DAHDI"))
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break;
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start_sabm_in_line(isd->line, 0);
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break;
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case S_INP_LINE_NOALARM:
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if (strcasecmp(isd->line->driver->name, "DAHDI"))
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break;
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start_sabm_in_line(isd->line, 1);
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break;
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}
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@ -69,6 +69,7 @@ static const struct value_string dahdi_evt_names[] = {
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static void handle_dahdi_exception(struct e1inp_ts *ts)
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{
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int rc, evt;
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struct input_signal_data isd;
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rc = ioctl(ts->driver.dahdi.fd.fd, DAHDI_GETEVENT, &evt);
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if (rc < 0)
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@ -78,12 +79,16 @@ static void handle_dahdi_exception(struct e1inp_ts *ts)
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ts->line->num, ts->line->name, ts->num,
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get_value_string(dahdi_evt_names, evt));
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isd.line = ts->line;
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switch (evt) {
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case DAHDI_EVENT_ALARM:
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/* FIXME: we should notify the code that the line is gone */
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/* we should notify the code that the line is gone */
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dispatch_signal(SS_INPUT, S_INP_LINE_ALARM, &isd);
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break;
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case DAHDI_EVENT_NOALARM:
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/* FIXME: alarm has gone, we should re-start the SABM requests */
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/* alarm has gone, we should re-start the SABM requests */
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dispatch_signal(SS_INPUT, S_INP_LINE_NOALARM, &isd);
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break;
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}
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}
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