diff options
Diffstat (limited to 'src/osmo-bts-trx/l1_if.c')
| -rw-r--r-- | src/osmo-bts-trx/l1_if.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/osmo-bts-trx/l1_if.c b/src/osmo-bts-trx/l1_if.c index 22ef2d73..db53d4c6 100644 --- a/src/osmo-bts-trx/l1_if.c +++ b/src/osmo-bts-trx/l1_if.c @@ -29,6 +29,7 @@ #include <osmocom/core/talloc.h> #include <osmocom/core/bits.h> +#include <osmocom/codec/ecu.h> #include <osmocom/gsm/abis_nm.h> #include <osmo-bts/logging.h> @@ -626,6 +627,9 @@ int bts_model_l1sap_down(struct gsm_bts_trx *trx, struct osmo_phsap_prim *l1sap) break; } + /* attempt to allocate an Error Concealment Unit instance, if available */ + lchan->ecu_state = osmo_ecu_init(trx, lchan2ecu_codec(lchan)); + /* trx_chan_desc[] in scheduler.c uses the RSL_CHAN_OSMO_PDCH cbits * (0xc0) to indicate the need for PDTCH and PTCCH SAPI activation. * However, 0xc0 is a cbits pattern exclusively used for Osmocom style @@ -671,6 +675,10 @@ int bts_model_l1sap_down(struct gsm_bts_trx *trx, struct osmo_phsap_prim *l1sap) break; } if (l1sap->u.info.type == PRIM_INFO_MODIFY) { + /* ECU for possibly new codec */ + if (lchan->ecu_state) + osmo_ecu_destroy(lchan->ecu_state); + lchan->ecu_state = osmo_ecu_init(trx, lchan2ecu_codec(lchan)); /* change mode */ trx_sched_set_mode(&l1h->l1s, chan_nr, lchan->rsl_cmode, lchan->tch_mode, @@ -689,6 +697,11 @@ int bts_model_l1sap_down(struct gsm_bts_trx *trx, struct osmo_phsap_prim *l1sap) "chan_nr 0x%02x\n", chan_nr); break; } + /* clear ECU state (if any) */ + if (lchan->ecu_state) { + osmo_ecu_destroy(lchan->ecu_state); + lchan->ecu_state = NULL; + } /* deactivate associated channel */ bts_model_lchan_deactivate_sacch(lchan); if (!l1sap->u.info.u.act_req.sacch_only) { |