[M] Change in osmocom-bb[master]: modem: handle OSMO_GPRS_RLCMAC_L1CTL_PDCH_{ESTABLISH,RELEASE}
pespin has submitted this change. ( https://gerrit.osmocom.org/c/osmocom-bb/+/33902 )
Change subject: modem: handle OSMO_GPRS_RLCMAC_L1CTL_PDCH_{ESTABLISH,RELEASE} ......................................................................
modem: handle OSMO_GPRS_RLCMAC_L1CTL_PDCH_{ESTABLISH,RELEASE}
Change-Id: Ic39ce696834943dc661c85cbf3d54ccd598b60ce Depends: libosmo-gprs.git I2568c58646ce7511367275ac96cd55e7fdd7ec18 --- M src/host/layer23/src/modem/grr.c M src/host/layer23/src/modem/rlcmac.c 2 files changed, 57 insertions(+), 65 deletions(-)
Approvals: Jenkins Builder: Verified laforge: Looks good to me, but someone else must approve pespin: Looks good to me, approved
diff --git a/src/host/layer23/src/modem/grr.c b/src/host/layer23/src/modem/grr.c index a7185fe..cf94695 100644 --- a/src/host/layer23/src/modem/grr.c +++ b/src/host/layer23/src/modem/grr.c @@ -226,8 +226,6 @@ { const struct gsm48_imm_ass *ia = msgb_l3(msg); struct gsm48_rrlayer *rr = &ms->rrlayer; - uint8_t ch_type, ch_subch, ch_ts; - int rc;
/* 3GPP TS 44.018, section 10.5.2.25b "Dedicated mode or TBF". * As per table 9.1.18.1, only the value part (4 bits) is present in the @@ -269,68 +267,7 @@ } }
- if (rsl_dec_chan_nr(ia->chan_desc.chan_nr, &ch_type, &ch_subch, &ch_ts) != 0) { - LOGP(DRR, LOGL_ERROR, "%s(): rsl_dec_chan_nr(chan_nr=0x%02x) failed\n", - __func__, ia->chan_desc.chan_nr); - return -EINVAL; - } - - /* FIXME: this event should be triggered by the RLC/MAC layers itself */ - rc = osmo_fsm_inst_dispatch(ms->grr_fi, GRR_EV_PDCH_ESTABLISH_REQ, NULL); - if (rc != 0) - return rc; - - if (!ia->chan_desc.h0.h) { - /* Non-hopping */ - uint16_t arfcn; - - arfcn = ia->chan_desc.h0.arfcn_low | (ia->chan_desc.h0.arfcn_high << 8); - - LOGP(DRR, LOGL_INFO, "GSM48 IMM ASS (ra=0x%02x, chan_nr=0x%02x, " - "ARFCN=%u, TS=%u, SS=%u, TSC=%u)\n", ia->req_ref.ra, - ia->chan_desc.chan_nr, arfcn, ch_ts, ch_subch, - ia->chan_desc.h0.tsc); - - l1ctl_tx_dm_est_req_h0(ms, arfcn, - RSL_CHAN_OSMO_PDCH | ch_ts, - ia->chan_desc.h0.tsc, GSM48_CMODE_SIGN, 0); - } else { - /* Hopping */ - uint8_t ma_len = 0; - uint8_t maio, hsn; - uint16_t ma[64]; - - hsn = ia->chan_desc.h1.hsn; - maio = ia->chan_desc.h1.maio_low | (ia->chan_desc.h1.maio_high << 2); - - LOGP(DRR, LOGL_INFO, "GSM48 IMM ASS (ra=0x%02x, chan_nr=0x%02x, " - "HSN=%u, MAIO=%u, TS=%u, SS=%u, TSC=%u)\n", ia->req_ref.ra, - ia->chan_desc.chan_nr, hsn, maio, ch_ts, ch_subch, - ia->chan_desc.h1.tsc); - - for (unsigned int i = 1, j = 0; i <= 1024; i++) { - unsigned int arfcn = i & 1023; - unsigned int k; - - if (~ms->cellsel.sel_si.freq[arfcn].mask & 0x01) - continue; - - k = ia->mob_alloc_len - (j >> 3) - 1; - if (ia->mob_alloc[k] & (1 << (j & 7))) - ma[ma_len++] = arfcn; - j++; - } - - l1ctl_tx_dm_est_req_h1(ms, maio, hsn, &ma[0], ma_len, - RSL_CHAN_OSMO_PDCH | ch_ts, - ia->chan_desc.h1.tsc, GSM48_CMODE_SIGN, 0); - } - - rc = forward_to_rlcmac(ms, msg); - if (rc < 0) - return rc; - - return 0; + return forward_to_rlcmac(ms, msg); }
/* TS 44.018 9.1.22 "Paging request type 1" */ @@ -643,9 +580,50 @@ break; } case GRR_EV_PDCH_ESTABLISH_REQ: - /* TODO: send L1CTL_DM_EST_REQ here */ + { + const struct osmo_gprs_rlcmac_l1ctl_prim *lp = data; + + if (!lp->pdch_est_req.fh) { + LOGPFSML(fi, LOGL_INFO, + "PDCH Establish.Req: TSC=%u, H0, ARFCN=%u\n", + lp->pdch_est_req.tsc, lp->pdch_est_req.arfcn); + l1ctl_tx_dm_est_req_h0(ms, lp->pdch_est_req.arfcn, + RSL_CHAN_OSMO_PDCH | lp->pdch_est_req.ts_nr, + lp->pdch_est_req.tsc, GSM48_CMODE_SIGN, 0); + } else { + /* Hopping */ + uint8_t ma_len = 0; + uint16_t ma[64]; + + LOGPFSML(fi, LOGL_INFO, + "PDCH Establish.Req: TSC=%u, H1, HSN=%u, MAIO=%u\n", + lp->pdch_est_req.tsc, + lp->pdch_est_req.fhp.hsn, + lp->pdch_est_req.fhp.maio); + + for (unsigned int i = 1, j = 0; i <= 1024; i++) { + unsigned int arfcn = i & 1023; + unsigned int k; + + if (~ms->cellsel.sel_si.freq[arfcn].mask & 0x01) + continue; + + k = lp->pdch_est_req.fhp.ma_len - (j >> 3) - 1; + if (lp->pdch_est_req.fhp.ma[k] & (1 << (j & 7))) + ma[ma_len++] = arfcn; + j++; + } + + l1ctl_tx_dm_est_req_h1(ms, + lp->pdch_est_req.fhp.maio, + lp->pdch_est_req.fhp.hsn, + &ma[0], ma_len, + RSL_CHAN_OSMO_PDCH | lp->pdch_est_req.ts_nr, + lp->pdch_est_req.tsc, GSM48_CMODE_SIGN, 0); + } osmo_fsm_inst_state_chg(fi, GRR_ST_PACKET_TRANSFER, 0, 0); break; + } default: OSMO_ASSERT(0); } diff --git a/src/host/layer23/src/modem/rlcmac.c b/src/host/layer23/src/modem/rlcmac.c index d209ec4..0f98e79 100644 --- a/src/host/layer23/src/modem/rlcmac.c +++ b/src/host/layer23/src/modem/rlcmac.c @@ -152,6 +152,10 @@ return osmo_fsm_inst_dispatch(ms->grr_fi, GRR_EV_PDCH_UL_TBF_CFG_REQ, lp); case OSMO_PRIM(OSMO_GPRS_RLCMAC_L1CTL_CFG_DL_TBF, PRIM_OP_REQUEST): return osmo_fsm_inst_dispatch(ms->grr_fi, GRR_EV_PDCH_DL_TBF_CFG_REQ, lp); + case OSMO_PRIM(OSMO_GPRS_RLCMAC_L1CTL_PDCH_ESTABLISH, PRIM_OP_REQUEST): + return osmo_fsm_inst_dispatch(ms->grr_fi, GRR_EV_PDCH_ESTABLISH_REQ, lp); + case OSMO_PRIM(OSMO_GPRS_RLCMAC_L1CTL_PDCH_RELEASE, PRIM_OP_REQUEST): + return osmo_fsm_inst_dispatch(ms->grr_fi, GRR_EV_PDCH_RELEASE_REQ, lp); default: LOGP(DRLCMAC, LOGL_DEBUG, "%s(): Unexpected Rx %s\n", __func__, pdu_name); OSMO_ASSERT(0);
-
pespin