fixeria has submitted this change. ( https://gerrit.osmocom.org/c/osmo-bts/+/32075 )
Change subject: gsm_objclass2mo(): Change signature/set NACK cause ......................................................................
gsm_objclass2mo(): Change signature/set NACK cause
- Add out-parameter to enable returning a NACK cause (ignored if NULL) - Return appropriate NACK cause if TRX number is unknown (part of fix for OS#5967)
Change-Id: I37e6b23ed95260a8188910cf9754faffcba519c5 Related: OS#5961, OS#5967 --- M include/osmo-bts/oml.h M src/common/oml.c 2 files changed, 54 insertions(+), 27 deletions(-)
Approvals: Jenkins Builder: Verified pespin: Looks good to me, but someone else must approve laforge: Looks good to me, but someone else must approve fixeria: Looks good to me, approved
diff --git a/include/osmo-bts/oml.h b/include/osmo-bts/oml.h index 38568b5..add00c8 100644 --- a/include/osmo-bts/oml.h +++ b/include/osmo-bts/oml.h @@ -78,7 +78,8 @@ uint8_t obj_class, uint8_t p1, uint8_t p2, uint8_t p3);
struct gsm_abis_mo *gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, - const struct abis_om_obj_inst *obj_inst); + const struct abis_om_obj_inst *obj_inst, + enum abis_nm_nack_cause *c);
void *gsm_objclass2obj(struct gsm_bts *bts, uint8_t obj_class, const struct abis_om_obj_inst *obj_inst); diff --git a/src/common/oml.c b/src/common/oml.c index db95747..6bdb49b 100644 --- a/src/common/oml.c +++ b/src/common/oml.c @@ -534,6 +534,7 @@ const struct gsm_abis_mo *mo; struct tlv_parsed tp; int rc; + enum abis_nm_nack_cause c;
if (!foh || !bts) return -EINVAL; @@ -541,10 +542,9 @@ DEBUGPFOH(DOML, foh, "Rx GET ATTR\n");
/* Determine which OML object is addressed */ - mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst); - if (!mo) { + if ((mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst, &c)) == NULL) { LOGPFOH(DOML, LOGL_ERROR, foh, "Get Attributes for unknown Object Instance\n"); - return oml_fom_ack_nack(msg, NM_NACK_OBJINST_UNKN); + return oml_fom_ack_nack(msg, c); }
rc = oml_tlv_parse(&tp, foh->data, msgb_l3len(msg) - sizeof(*foh)); @@ -1096,13 +1096,14 @@ struct gsm_abis_mo *mo; void *obj; int rc; + enum abis_nm_nack_cause c;
DEBUGPFOH(DOML, foh, "Rx OPSTART\n");
/* Step 1: Resolve MO by obj_class/obj_inst */ - mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst); - obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst); - if (!mo || !obj) + if ((mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst, &c)) == NULL) + return oml_fom_ack_nack(msg, c); + if ((obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst)) == NULL) return oml_fom_ack_nack(msg, NM_NACK_OBJINST_UNKN);
/* Step 2: Do some global dependency/consistency checking */ @@ -1128,6 +1129,7 @@ uint8_t adm_state; void *obj; int rc; + enum abis_nm_nack_cause c;
DEBUGPFOH(DOML, foh, "Rx CHG ADM STATE\n");
@@ -1145,9 +1147,9 @@ adm_state = *TLVP_VAL(&tp, NM_ATT_ADM_STATE);
/* Step 1: Resolve MO by obj_class/obj_inst */ - mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst); - obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst); - if (!mo || !obj) + if ((mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst, &c)) == NULL) + return oml_fom_ack_nack(msg, c); + if ((obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst)) == NULL) return oml_fom_ack_nack(msg, NM_NACK_OBJINST_UNKN);
/* Step 2: Do some global dependency/consistency checking */ @@ -1473,23 +1475,23 @@ struct tlv_parsed tp, *tp_merged; void *obj; int rc; + enum abis_nm_nack_cause c;
DEBUGPFOH(DOML, foh, "Rx IPA SET ATTR\n");
rc = oml_tlv_parse(&tp, foh->data, msgb_l3len(msg) - sizeof(*foh)); if (rc < 0) { - mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst); - if (!mo) - return oml_fom_ack_nack(msg, NM_NACK_OBJINST_UNKN); + if ((mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst, &c)) == NULL) + return oml_fom_ack_nack(msg, c); oml_tx_failure_event_rep(mo, NM_SEVER_MAJOR, OSMO_EVT_MAJ_UNSUP_ATTR, "New value for IPAC Set Attribute not supported\n"); return oml_fom_ack_nack(msg, NM_NACK_INCORR_STRUCT); }
/* Resolve MO by obj_class/obj_inst */ - mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst); - obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst); - if (!mo || !obj) + if ((mo = gsm_objclass2mo(bts, foh->obj_class, &foh->obj_inst, &c)) == NULL) + return oml_fom_ack_nack(msg, c); + if ((obj = gsm_objclass2obj(bts, foh->obj_class, &foh->obj_inst)) == NULL) return oml_fom_ack_nack(msg, NM_NACK_OBJINST_UNKN);
@@ -1730,10 +1732,11 @@ mo->nm_state.administrative = NM_STATE_LOCKED; }
-/* obtain the MO structure for a given object instance */ -struct gsm_abis_mo * -gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, - const struct abis_om_obj_inst *obj_inst) +/* Obtain the MO structure for a given object instance + * \param[out] c nack cause for reply in case of error. Ignored if NULL */ +struct gsm_abis_mo *gsm_objclass2mo(struct gsm_bts *bts, uint8_t obj_class, + const struct abis_om_obj_inst *obj_inst, + enum abis_nm_nack_cause *c) { struct gsm_bts_trx *trx; struct gsm_abis_mo *mo = NULL; @@ -1744,19 +1747,19 @@ break; case NM_OC_RADIO_CARRIER: if (!(trx = gsm_bts_trx_num(bts, obj_inst->trx_nr))) - return NULL; + goto nm_nack_trxnr_unkn; mo = &trx->mo; break; case NM_OC_BASEB_TRANSC: if (!(trx = gsm_bts_trx_num(bts, obj_inst->trx_nr))) - return NULL; + goto nm_nack_trxnr_unkn; mo = &trx->bb_transc.mo; break; case NM_OC_CHANNEL: if (!(trx = gsm_bts_trx_num(bts, obj_inst->trx_nr))) - return NULL; + goto nm_nack_trxnr_unkn; if (obj_inst->ts_nr >= TRX_NR_TS) - return NULL; + goto nm_nack_objinst_unkn; mo = &trx->ts[obj_inst->ts_nr].mo; break; case NM_OC_SITE_MANAGER: @@ -1764,7 +1767,7 @@ break; case NM_OC_GPRS_NSE: if (obj_inst->bts_nr > 0) - return NULL; + goto nm_nack_objinst_unkn; mo = &g_bts_sm->gprs.nse.mo; break; case NM_OC_GPRS_CELL: @@ -1772,13 +1775,22 @@ break; case NM_OC_GPRS_NSVC: if (obj_inst->bts_nr > 0) - return NULL; + goto nm_nack_objinst_unkn; if (obj_inst->trx_nr >= ARRAY_SIZE(g_bts_sm->gprs.nse.nsvc)) - return NULL; + goto nm_nack_objinst_unkn; mo = &g_bts_sm->gprs.nse.nsvc[obj_inst->trx_nr].mo; break; } return mo; + +nm_nack_trxnr_unkn: + if (c != NULL) + *c = NM_NACK_TRXNR_UNKN; + return NULL; +nm_nack_objinst_unkn: + if (c != NULL) + *c = NM_NACK_OBJINST_UNKN; + return NULL; }
/* obtain the in-memory data structure of a given object instance */
-
fixeria