diff options
Diffstat (limited to 'src/rlcmac/tbf_ul_fsm.c')
| -rw-r--r-- | src/rlcmac/tbf_ul_fsm.c | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/rlcmac/tbf_ul_fsm.c b/src/rlcmac/tbf_ul_fsm.c index e5a2f9a..43cb02f 100644 --- a/src/rlcmac/tbf_ul_fsm.c +++ b/src/rlcmac/tbf_ul_fsm.c @@ -88,9 +88,13 @@ static void reinit_pkt_acces_procedure(struct gprs_rlcmac_tbf_ul_fsm_ctx *ctx) gprs_rlcmac_ul_tbf_free(ctx->ul_tbf); } -/* 9.3.3.3.2: Upon each retransmission of the last block with CV=0, the mobile station shall restart timer T3182 for the TBF. -* Slight impl deviation from spec: If tbf is still in contention resolution, keep using T3166, otherwise start T3182 -*/ +/* 9.3.2.4.2 (acknowledged mode): When the mobile station has sent the RLC data + * block with CV = 0 and there are no elements in the V(B) array set to the value + * Nacked, it shall start timer T3182 for this TBF. + * 9.3.3.3.2 (unacknowledged mode): Upon each retransmission of the last block + * with CV=0, the mobile station shall restart timer T3182 for the TBF. + * Slight impl deviation from spec: If tbf is still in contention resolution, keep using T3166, otherwise start T3182 + */ static void arm_T3182_if_needed(struct gprs_rlcmac_tbf_ul_fsm_ctx *ctx) { struct osmo_fsm_inst *fi = ctx->fi; @@ -102,10 +106,13 @@ static void arm_T3182_if_needed(struct gprs_rlcmac_tbf_ul_fsm_ctx *ctx) } else { OSMO_ASSERT(!osmo_timer_pending(&fi->timer) || (osmo_timer_pending(&fi->timer) && fi->T == 3182)); - LOGPFSML(ctx->fi, LOGL_INFO, "Last UL block sent (CV=0), start T3182\n"); - fi->T = 3182; - val_sec = osmo_tdef_get(g_rlcmac_ctx->T_defs, fi->T, OSMO_TDEF_S, -1); - osmo_timer_schedule(&fi->timer, val_sec, 0); + /* TODO: once unacked mode is supported: || unacked_mode(ctx->ul_tbf) */ + if (!osmo_timer_pending(&fi->timer)) { + LOGPFSML(ctx->fi, LOGL_INFO, "Last UL block sent (CV=0), start T3182\n"); + fi->T = 3182; + val_sec = osmo_tdef_get(g_rlcmac_ctx->T_defs, fi->T, OSMO_TDEF_S, -1); + osmo_timer_schedule(&fi->timer, val_sec, 0); + } } } |