dyn TS: fix OS#1798: on late RF CHAN REL ACK, activate PDCH
Tested by hacking a REL ACK delay of a couple of seconds into osmo-bts' rsl.c
for the first TCH_H lchan:
[[[
diff --git a/include/osmo-bts/rsl.h b/include/osmo-bts/rsl.h
index 093e9cb..b35c3bb 100644
--- a/include/osmo-bts/rsl.h
+++ b/include/osmo-bts/rsl.h
@@ -22,6 +22,7 @@ int rsl_tx_est_ind(struct gsm_lchan *lchan, uint8_t link_id, uint8_t *data, int
int rsl_tx_chan_act_acknack(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_conn_fail(struct gsm_lchan *lchan, uint8_t cause);
int rsl_tx_rf_rel_ack(struct gsm_lchan *lchan);
+int rsl_tx_rf_rel_ack_later(struct gsm_lchan *lchan);
int rsl_tx_hando_det(struct gsm_lchan *lchan, uint8_t *ho_delay);
/* call-back for LAPDm code, called when it wants to send msgs UP */
diff --git a/src/common/l1sap.c b/src/common/l1sap.c
index 3802e25..1f92b0d 100644
--- a/src/common/l1sap.c
+++ b/src/common/l1sap.c
@@ -491,7 +491,16 @@ static int l1sap_info_rel_cnf(struct gsm_bts_trx *trx,
lchan = get_lchan_by_chan_nr(trx, info_act_cnf->chan_nr);
- rsl_tx_rf_rel_ack(lchan);
+ static int yyy = 0;
+
+ DEBUGP(DRSL, "%s YYYYYYYYYYYYYYYYYYYYY %d %s\n",
+ gsm_lchan_name(lchan), yyy, gsm_lchant_name(lchan->type));
+
+ if (lchan->type == GSM_LCHAN_TCH_H && !yyy) {
+ yyy ++;
+ rsl_tx_rf_rel_ack_later(lchan);
+ } else
+ rsl_tx_rf_rel_ack(lchan);
/* During PDCH DEACT, this marks the deactivation of the PDTCH as
* requested by the PCU. Next up, we disconnect the TS completely and
diff --git a/src/common/rsl.c b/src/common/rsl.c
index 3c97af9..7926f21 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -534,6 +534,22 @@ int rsl_tx_rf_rel_ack(struct gsm_lchan *lchan)
return abis_bts_rsl_sendmsg(msg);
}
+struct osmo_timer_list yyy_timer;
+
+static void yyy_timer_cb(void *data)
+{
+ rsl_tx_rf_rel_ack(data);
+}
+
+int rsl_tx_rf_rel_ack_later(struct gsm_lchan *lchan)
+{
+ yyy_timer.cb = yyy_timer_cb;
+ yyy_timer.data = lchan;
+ osmo_timer_schedule(&yyy_timer, 10, 0);
+ return 0;
+}
+
+
/* 8.4.2 sending CHANnel ACTIVation ACKnowledge */
static int rsl_tx_chan_act_ack(struct gsm_lchan *lchan)
{
]]]
Change-Id: I87e07e1d54882f8f3d667fa300c6e3679f5c920d
Fixes: OS#1798
Neels Hofmeyr
d35fc4408c