diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/common/l1sap.c | 8 | ||||
| -rw-r--r-- | src/osmo-bts-sysmo/l1_if.c | 19 |
2 files changed, 20 insertions, 7 deletions
diff --git a/src/common/l1sap.c b/src/common/l1sap.c index 2dedf021..da4cc480 100644 --- a/src/common/l1sap.c +++ b/src/common/l1sap.c @@ -79,6 +79,7 @@ static int l1sap_ph_rts_ind(struct gsm_bts_trx *trx, uint8_t tn; uint32_t fn; uint8_t *p, *si; + int rc; chan_nr = rts_ind->chan_nr; link_id = rts_ind->link_id; @@ -109,6 +110,13 @@ static int l1sap_ph_rts_ind(struct gsm_bts_trx *trx, memcpy(p, si, GSM_MACBLOCK_LEN); else memcpy(p, fill_frame, GSM_MACBLOCK_LEN); + } else if (L1SAP_IS_CHAN_AGCH_PCH(chan_nr)) { + p = msgb_put(msg, GSM_MACBLOCK_LEN); + /* if CCCH block is 0, it is AGCH */ + rc = bts_ccch_copy_msg(trx->bts, p, &g_time, + (L1SAP_FN2CCCHBLOCK(fn) < 1)); + if (rc <= 0) + memcpy(p, fill_frame, GSM_MACBLOCK_LEN); } DEBUGP(DL1P, "Tx PH-DATA.req %02u/%02u/%02u chan_nr=%d link_id=%d\n", diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c index ad597cc5..26c954d8 100644 --- a/src/osmo-bts-sysmo/l1_if.c +++ b/src/osmo-bts-sysmo/l1_if.c @@ -475,6 +475,14 @@ static int ph_data_req(struct gsm_bts_trx *trx, struct msgb *msg, subCh = 0x1f; if (L1SAP_IS_CHAN_BCCH(chan_nr)) { sapi = GsmL1_Sapi_Bcch; + } else if (L1SAP_IS_CHAN_AGCH_PCH(chan_nr)) { + /* The sapi depends on DSP configuration, not + * on the actual SYSTEM INFORMATION 3. */ + u8BlockNbr = L1SAP_FN2CCCHBLOCK(u32Fn); + if (u8BlockNbr >= 1) + sapi = GsmL1_Sapi_Pch; + else + sapi = GsmL1_Sapi_Agch; } else { LOGP(DL1C, LOGL_NOTICE, "unknown prim %d op %d " "chan_nr %d link_id %d\n", l1sap->oph.primitive, @@ -551,6 +559,10 @@ static uint8_t chan_nr_by_sapi(enum gsm_phys_chan_config pchan, case GsmL1_Sapi_Bcch: cbits = 0x10; break; + case GsmL1_Sapi_Agch: + case GsmL1_Sapi_Pch: + cbits = 0x12; + break; default: return 0; } @@ -715,13 +727,6 @@ static int handle_ph_readytosend_ind(struct femtol1_hdl *fl1, msgb_free(pp.oph.msg); } break; - case GsmL1_Sapi_Agch: - case GsmL1_Sapi_Pch: - rc = bts_ccch_copy_msg(bts, msu_param->u8Buffer, &g_time, - rts_ind->sapi == GsmL1_Sapi_Agch); - if (rc <= 0) - memcpy(msu_param->u8Buffer, fill_frame, GSM_MACBLOCK_LEN); - break; case GsmL1_Sapi_TchF: case GsmL1_Sapi_TchH: /* only hit in case we have a RTP underflow, as real TCH |