diff options
| author | Tzafrir Cohen <tzafrir.cohen@xorcom.com> | 2009-11-15 21:42:57 +0000 |
|---|---|---|
| committer | Tzafrir Cohen <tzafrir.cohen@xorcom.com> | 2009-11-15 21:42:57 +0000 |
| commit | 7d3712ebf68aa55b445ad01a3f7d03774bd37378 (patch) | |
| tree | bd5ea3ad3121f1abc1488e0d0f81b8ff496d6e27 /drivers/dahdi/xpp/card_pri.c | |
| parent | 3ca92c250f26d296b4723aa815e6434db7aef8f7 (diff) | |
xpp: card_pri: force remote refresh on CAS
Send different values on alarm to make the remote party re-read state.
git-svn-id: http://svn.asterisk.org/svn/dahdi/linux/trunk@7591 a0bf4364-ded3-4de4-8d8a-66a801d63aff
Diffstat (limited to 'drivers/dahdi/xpp/card_pri.c')
| -rw-r--r-- | drivers/dahdi/xpp/card_pri.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/drivers/dahdi/xpp/card_pri.c b/drivers/dahdi/xpp/card_pri.c index f707b24..163214c 100644 --- a/drivers/dahdi/xpp/card_pri.c +++ b/drivers/dahdi/xpp/card_pri.c @@ -84,6 +84,7 @@ static int pri_startup(struct dahdi_span *span); static int pri_shutdown(struct dahdi_span *span); static int pri_rbsbits(struct dahdi_chan *chan, int bits); static int pri_lineconfig(xpd_t *xpd, int lineconfig); +static void send_idlebits(xpd_t *xpd, bool saveold); #define PROC_REGISTER_FNAME "slics" #ifdef OLD_PROC @@ -1576,6 +1577,41 @@ static int encode_rbsbits_t1(xpd_t *xpd, int pos, int bits) return 0; } +static void send_idlebits(xpd_t *xpd, bool saveold) +{ + struct PRI_priv_data *priv; + byte save_rs[NUM_CAS_RS_E]; + int i; + + if (!SPAN_REGISTERED(xpd)) + return; + priv = xpd->priv; + BUG_ON(!priv); + XPD_DBG(SIGNAL, xpd, "saveold=%d\n", saveold); + if (saveold) + memcpy(save_rs, priv->cas_ts_e, sizeof(save_rs)); + for_each_line(xpd, i) { + struct dahdi_chan *chan = XPD_CHAN(xpd, i); + + pri_rbsbits(chan, chan->idlebits); + } + if (saveold) + memcpy(priv->cas_ts_e, save_rs, sizeof(save_rs)); +} + +static void send_oldbits(xpd_t *xpd) +{ + struct PRI_priv_data *priv; + int i; + + BUG_ON(!xpd); + priv = xpd->priv; + BUG_ON(!priv); + XPD_DBG(SIGNAL, xpd, "\n"); + for (i = 0; i < cas_numregs(xpd); i++) + write_cas_reg(xpd, i , priv->cas_ts_e[i]); +} + static int pri_rbsbits(struct dahdi_chan *chan, int bits) { xpd_t *xpd; @@ -1835,6 +1871,12 @@ static void layer1_state(xpd_t *xpd, byte data_low) XPD_NOTICE(xpd, "Alarms: 0x%X (%s) => 0x%X (%s)\n", xpd->span.alarms, str1, alarms, str2); + if (priv->is_cas) { + if (alarms == DAHDI_ALARM_NONE) + send_oldbits(xpd); + else if (xpd->span.alarms == DAHDI_ALARM_NONE) + send_idlebits(xpd, 1); + } xpd->span.alarms = alarms; dahdi_alarm_notify(&xpd->span); set_clocking(xpd); |