diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gprs_rlcmac_ts_alloc.cpp | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/src/gprs_rlcmac_ts_alloc.cpp b/src/gprs_rlcmac_ts_alloc.cpp index 116cabe0..8d4357e7 100644 --- a/src/gprs_rlcmac_ts_alloc.cpp +++ b/src/gprs_rlcmac_ts_alloc.cpp @@ -241,25 +241,26 @@ int alloc_algorithm_a(struct gprs_rlcmac_bts *bts, { struct gprs_rlcmac_pdch *pdch; int ts = -1; + uint8_t ul_slots, dl_slots; int usf = -1; int mask = 0xff; const char *mask_reason = NULL; - struct gprs_rlcmac_tbf *ref_tbf; LOGP(DRLCMAC, LOGL_DEBUG, "Slot Allocation (Algorithm A) for class " "%d\n", tbf->ms_class()); - if ((ref_tbf = ms->tbf(tbf->direction))) - mask_reason = "need to reuse TS"; - else if ((ref_tbf = ms->tbf(reverse(tbf->direction)))) - mask_reason = ref_tbf->direction == GPRS_RLCMAC_UL_TBF ? - "not an uplink TBF" : "not a downlink TBF"; + dl_slots = ms->reserved_dl_slots(); + ul_slots = ms->reserved_ul_slots(); - if (ref_tbf) - ts = ref_tbf->first_common_ts; + ts = ms->first_common_ts(); - if (ts >= 0) + if (ts >= 0) { + mask_reason = "need to reuse TS"; mask = 1 << ts; + } else if (dl_slots || ul_slots) { + mask_reason = "need to use a reserved common TS"; + mask = dl_slots & ul_slots; + } mask = find_possible_pdchs(tbf->trx, 1, mask, mask_reason); if (!mask) @@ -296,6 +297,7 @@ int alloc_algorithm_a(struct gprs_rlcmac_bts *bts, } /* the only one TS is the common TS */ tbf->first_ts = tbf->first_common_ts = ts; + ms->set_reserved_slots(tbf->trx, 1 << ts, 1 << ts); tbf->upgrade_to_multislot = 0; |