diff options
Diffstat (limited to 'src/tbf_dl.cpp')
| -rw-r--r-- | src/tbf_dl.cpp | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp index 489020b3..457f2c9b 100644 --- a/src/tbf_dl.cpp +++ b/src/tbf_dl.cpp @@ -1322,3 +1322,23 @@ enum egprs_rlcmac_dl_spb gprs_rlcmac_dl_tbf::get_egprs_dl_spb(const int bsn) /* Non SPB cases 0 is reurned */ return EGPRS_RLCMAC_DL_NO_RETX; } + +void gprs_rlcmac_dl_tbf::egprs_calc_window_size() +{ + struct gprs_rlcmac_bts *bts_data = bts->bts_data(); + unsigned int num_pdch = pcu_bitcount(dl_slots()); + unsigned int ws = bts_data->ws_base + num_pdch * bts_data->ws_pdch; + + ws = (ws / 32) * 32; + ws = OSMO_MAX(64, ws); + + if (num_pdch == 1) + ws = OSMO_MIN(192, ws); + else + ws = OSMO_MIN(128 * num_pdch, ws); + + LOGP(DRLCMAC, LOGL_INFO, "%s: Setting EGPRS window size to %d\n", + name(), ws); + + m_window.set_ws(ws); +} |