diff options
| author | Andreas Eversberg <jolly@eversberg.eu> | 2012-07-23 17:58:55 +0200 |
|---|---|---|
| committer | Andreas Eversberg <jolly@eversberg.eu> | 2012-07-23 18:25:43 +0200 |
| commit | 642c7d3f5b3a199cf69b88d21056cbfffd748595 (patch) | |
| tree | ecda6a45ae3472ec65306fdf7a0a680efc0f5369 /src | |
| parent | a1503fa3567e2837d809cd77b857bd617448f2fd (diff) | |
Fix: We don't use timer to define when assignment is complete on PACCH
Instead we use the event of sending assignment message. Then we set the
TBF state to 'FLOW'.
Diffstat (limited to 'src')
| -rw-r--r-- | src/gprs_rlcmac.h | 3 | ||||
| -rw-r--r-- | src/gprs_rlcmac_data.cpp | 28 |
2 files changed, 26 insertions, 5 deletions
diff --git a/src/gprs_rlcmac.h b/src/gprs_rlcmac.h index 55aef9d7..8a8351d6 100644 --- a/src/gprs_rlcmac.h +++ b/src/gprs_rlcmac.h @@ -93,8 +93,7 @@ extern struct gprs_rlcmac_bts *gprs_rlcmac_bts; #define RLC_MAX_WS 64 /* max window size */ #define RLC_MAX_LEN 54 /* CS-4 including spare bits */ -#define Tassign_agch 0,500000/* wait for assignment, before transmitting DL */ -#define Tassign_pacch 0,100000/* wait for assignment, before transmitting DL */ +#define Tassign_agch 0,800000/* FIXME: we need a confirm from BTS */ enum gprs_rlcmac_tbf_state { GPRS_RLCMAC_NULL = 0, /* new created TBF */ diff --git a/src/gprs_rlcmac_data.cpp b/src/gprs_rlcmac_data.cpp index 2f67bd0a..4109161d 100644 --- a/src/gprs_rlcmac_data.cpp +++ b/src/gprs_rlcmac_data.cpp @@ -174,11 +174,31 @@ int gprs_rlcmac_rcv_control_block(bitvec *rlc_block, uint8_t trx, uint8_t ts, if (tbf->dl_ass_state == GPRS_RLCMAC_DL_ASS_WAIT_ACK) { LOGP(DRLCMAC, LOGL_DEBUG, "TBF: [UPLINK] DOWNLINK ASSIGNED TFI: %u TLLI: 0x%08x \n", tbf->tfi, tbf->tlli); tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; + if (tbf->direction == GPRS_RLCMAC_UL_TBF) + tbf = tbf_by_tlli(tbf->tlli, + GPRS_RLCMAC_DL_TBF); + if (!tbf) { + LOGP(DRLCMAC, LOGL_ERROR, "Got ACK, but DL " + "TBF is gone\n"); + break; + } + tbf_new_state(tbf, GPRS_RLCMAC_FLOW); + tbf_assign_control_ts(tbf); break; } if (tbf->ul_ass_state == GPRS_RLCMAC_UL_ASS_WAIT_ACK) { LOGP(DRLCMAC, LOGL_DEBUG, "TBF: [DOWNLINK] UPLINK ASSIGNED TFI: %u TLLI: 0x%08x \n", tbf->tfi, tbf->tlli); tbf->ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; + if (tbf->direction == GPRS_RLCMAC_DL_TBF) + tbf = tbf_by_tlli(tbf->tlli, + GPRS_RLCMAC_UL_TBF); + if (!tbf) { + LOGP(DRLCMAC, LOGL_ERROR, "Got ACK, but UL " + "TBF is gone\n"); + break; + } + tbf_new_state(tbf, GPRS_RLCMAC_FLOW); + tbf_assign_control_ts(tbf); break; } LOGP(DRLCMAC, LOGL_ERROR, "Error: received PACET CONTROL ACK " @@ -236,7 +256,7 @@ uplink_request: ul_tbf->tlli_valid = 1; /* no contention resolution */ ul_tbf->contention_resolution_done = 1; ul_tbf->ta = tbf->ta; /* use current TA */ - tbf_new_state(ul_tbf, GPRS_RLCMAC_FLOW); + tbf_new_state(ul_tbf, GPRS_RLCMAC_ASSIGN); tbf_timer_start(ul_tbf, 3169, bts->t3169, 0); /* schedule uplink assignment */ tbf->ul_ass_state = GPRS_RLCMAC_UL_ASS_SEND_ASS; @@ -821,6 +841,8 @@ struct msgb *gprs_rlcmac_send_packet_uplink_assignment( tbf->ul_ass_state = GPRS_RLCMAC_UL_ASS_WAIT_ACK; #else tbf->ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; + tbf_new_state(new_tbf, GPRS_RLCMAC_FLOW); + tbf_assign_control_ts(new_tbf); #endif return msg; @@ -1420,6 +1442,8 @@ struct msgb *gprs_rlcmac_send_packet_downlink_assignment( tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_WAIT_ACK; #else tbf->dl_ass_state = GPRS_RLCMAC_DL_ASS_NONE; + tbf_new_state(new_tbf, GPRS_RLCMAC_FLOW); + tbf_assign_control_ts(new_tbf); #endif return msg; @@ -1474,8 +1498,6 @@ void gprs_rlcmac_trigger_downlink_assignment(gprs_rlcmac_tbf *tbf, tbf->ta = old_tbf->ta; /* change state */ tbf_new_state(tbf, GPRS_RLCMAC_ASSIGN); - /* start timer */ - tbf_timer_start(tbf, 0, Tassign_pacch); #endif } else { LOGP(DRLCMAC, LOGL_DEBUG, "Send dowlink assignment for TBF=%d on PCH, no TBF exist (IMSI=%s)\n", tbf->tfi, imsi); |