pespin has uploaded this change for review. ( https://gerrit.osmocom.org/c/libosmo-gprs/+/33159 ) Change subject: rlcmac: tbf_ul: Handle SBA from CCCH Imm Ass ...................................................................... rlcmac: tbf_ul: Handle SBA from CCCH Imm Ass Change-Id: I8563b6d61b93d86c15282995352ca9312e167160 --- M src/rlcmac/csn1_ts_44_018.c M src/rlcmac/rlcmac.c M src/rlcmac/tbf_ul_ass_fsm.c 3 files changed, 26 insertions(+), 5 deletions(-) git pull ssh://gerrit.osmocom.org:29418/libosmo-gprs refs/changes/59/33159/1 diff --git a/src/rlcmac/csn1_ts_44_018.c b/src/rlcmac/csn1_ts_44_018.c index 3606346..2a1de42 100644 --- a/src/rlcmac/csn1_ts_44_018.c +++ b/src/rlcmac/csn1_ts_44_018.c @@ -648,6 +648,7 @@ data, data_len); } +/* TS 44.018 10.5.2.16 IA Rest Octets */ int osmo_gprs_rlcmac_decode_imm_ass_ro(IA_RestOctets_t *storage, const uint8_t *data, size_t data_len) { diff --git a/src/rlcmac/rlcmac.c b/src/rlcmac/rlcmac.c index 22464b1..318e3a7 100644 --- a/src/rlcmac/rlcmac.c +++ b/src/rlcmac/rlcmac.c @@ -260,6 +260,7 @@ return rc; } + /* TS 44.018 10.5.2.16 IA Rest Octets */ rc = osmo_gprs_rlcmac_decode_imm_ass_ro(&iaro, iaro_raw, iaro_raw_len); if (rc != 0) { LOGRLCMAC(LOGL_ERROR, "Failed to decode IA Rest Octets IE\n"); @@ -294,8 +295,7 @@ case 0: /* iaro.u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.* (Packet_Uplink_ImmAssignment_t) */ switch (iaro.u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.UnionType) { case 0: /* iaro.u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.SingleBlockAllocation.* (GPRS_SingleBlockAllocation_t) */ - /* TODO: 2phase access support: Schedule transmit of PKT_RES_REQ on FN=(GPRS_SingleBlockAllocation_t).TBF_STARTING_TIME */ - LOGRLCMAC(LOGL_ERROR, "ImmAss SingleBlock (2phase access) not yet supported!\n"); + rc = gprs_rlcmac_handle_ccch_imm_ass_ul_tbf(ch_ts, fn, ia, &iaro); break; case 1: /* iaro.u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.* (GPRS_DynamicOrFixedAllocation_t) */ switch (iaro.u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.UnionType) { diff --git a/src/rlcmac/tbf_ul_ass_fsm.c b/src/rlcmac/tbf_ul_ass_fsm.c index 103af97..da6e7a7 100644 --- a/src/rlcmac/tbf_ul_ass_fsm.c +++ b/src/rlcmac/tbf_ul_ass_fsm.c @@ -128,6 +128,7 @@ static int handle_imm_ass(struct gprs_rlcmac_tbf_ul_ass_fsm_ctx *ctx, const struct tbf_ul_ass_ev_rx_ccch_imm_ass_ctx *d) { + /* TS 44.018 10.5.2.16 IA Rest Octets */ switch (d->iaro->UnionType) { case 1: /* d->iaro->u.lh.* (IA_RestOctetsLH_t) */ switch (d->iaro->u.lh.lh0x.UnionType) { @@ -142,7 +143,16 @@ switch (d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.UnionType) { case 0: /* d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.SingleBlockAllocation.* (GPRS_SingleBlockAllocation_t) */ /* TODO: 2phase access support: Schedule transmit of PKT_RES_REQ on FN=(GPRS_SingleBlockAllocation_t).TBF_STARTING_TIME */ - LOGPFSML(ctx->fi, LOGL_ERROR, "ImmAss SingleBlock (2phase access) not yet supported!\n"); + if (ctx->ass_type == GPRS_RLCMAC_TBF_UL_ASS_TYPE_1PHASE) { + LOGPFSML(ctx->fi, LOGL_INFO, "MS requested 1-Phase-Access, but Network forces 2-Phase-Access\n"); + ctx->ass_type = GPRS_RLCMAC_TBF_UL_ASS_TYPE_2PHASE; + } + ctx->tbf_starting_time_exists = true; + ctx->tbf_starting_time = TBF_StartingTime_to_fn(&d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.SingleBlockAllocation.TBF_STARTING_TIME, + d->fn); + ctx->phase1_alloc.ts[d->ts_nr].allocated = true; + ctx->phase1_alloc.num_ts = 1; + LOGPFSML(ctx->fi, LOGL_INFO, "ImmAss SingleBlock (2phase access) ts_nr=%u start_fn=%u\n", d->ts_nr, ctx->tbf_starting_time); return -ENOTSUP; case 1: /* d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.* (GPRS_DynamicOrFixedAllocation_t) */ ctx->phase1_alloc.ul_tfi = d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.TFI_ASSIGNMENT; @@ -155,7 +165,6 @@ ctx->phase1_alloc.ul_tfi, gprs_rlcmac_mcs_name(ctx->ul_tbf->tx_cs), ctx->tbf_starting_time); switch (d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.UnionType) { case 0: /* d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.Allocation.DynamicAllocation (DynamicAllocation_t) */ - /* TODO: 2phase access support: Schedule transmit of PKT_RES_REQ on FN=(GPRS_SingleBlockAllocation_t).TBF_STARTING_TIME */ ctx->phase1_alloc.ts[d->ts_nr].allocated = true; ctx->phase1_alloc.ts[d->ts_nr].usf = d->iaro->u.hh.u.UplinkDownlinkAssignment.ul_dl.Packet_Uplink_ImmAssignment.Access.DynamicOrFixedAllocation.Allocation.DynamicAllocation.USF; ctx->phase1_alloc.num_ts = 1; @@ -638,7 +647,9 @@ { OSMO_ASSERT(gprs_rlcmac_tbf_ul_ass_waiting_tbf_starting_time(ul_tbf)); OSMO_ASSERT(ul_tbf->ul_ass_fsm.tbf_starting_time_exists); - if (fn != ul_tbf->ul_ass_fsm.tbf_starting_time) + OSMO_ASSERT(ul_tbf->ul_ass_fsm.phase1_alloc.num_ts > 0); + if (fn != ul_tbf->ul_ass_fsm.tbf_starting_time || + !ul_tbf->ul_ass_fsm.phase1_alloc.ts[ts_nr].allocated) return; osmo_fsm_inst_dispatch(ul_tbf->ul_ass_fsm.fi, GPRS_RLCMAC_TBF_UL_ASS_EV_TBF_STARTING_TIME, NULL); -- To view, visit https://gerrit.osmocom.org/c/libosmo-gprs/+/33159 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: libosmo-gprs Gerrit-Branch: master Gerrit-Change-Id: I8563b6d61b93d86c15282995352ca9312e167160 Gerrit-Change-Number: 33159 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin@sysmocom.de> Gerrit-MessageType: newchange