Implement the HSL SR1.0.1 protocol
It seems HSL has fixed most of their obvious issues in the SR1.0.1
release. However, this creates quite an incompatibility of the
protocol, and we have to adapt accordingly
diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index 58e2a7c..9a4dc5b 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -677,10 +677,11 @@
rc = abis_rsl_sendmsg(msg);
/* BTS will respond by RF CHAN REL ACK */
-
+#ifdef HSL_SR_1_0
/* The HSL Femto seems to 'forget' sending a REL ACK for TS1...TS7 */
if (lchan->ts->trx->bts->type == GSM_BTS_TYPE_HSL_FEMTO && lchan->ts->nr != 0)
rc = rsl_rx_rf_chan_rel_ack(lchan);
+#endif
return rc;
}