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Holger Hans Peter Freyther hfreyther at sysmocom.deGood Morning, sched_poll is doing: llist_for_each_entry(tbf, &gprs_rlcmac_ul_tbfs, list) { /* this trx, this ts */ if (tbf->trx_no != trx || tbf->control_ts != ts) continue; /* polling for next uplink block */ if (tbf->poll_state == GPRS_RLCMAC_POLL_SCHED && tbf->poll_fn == poll_fn) *poll_tbf = tbf; if (tbf->ul_ack_state == GPRS_RLCMAC_UL_ACK_SEND_ACK) *ul_ack_tbf = tbf; if (tbf->dl_ass_state == GPRS_RLCMAC_DL_ASS_SEND_ASS) *dl_ass_tbf = tbf; if (tbf->ul_ass_state == GPRS_RLCMAC_UL_ASS_SEND_ASS) *ul_ass_tbf = tbf; } llist_for_each_entry(tbf, &gprs_rlcmac_dl_tbfs, list) { /* this trx, this ts */ if (tbf->trx_no != trx || tbf->control_ts != ts) continue; /* polling for next uplink block */ if (tbf->poll_state == GPRS_RLCMAC_POLL_SCHED && tbf->poll_fn == poll_fn) *poll_tbf = tbf; if (tbf->dl_ass_state == GPRS_RLCMAC_DL_ASS_SEND_ASS) *dl_ass_tbf = tbf; if (tbf->ul_ass_state == GPRS_RLCMAC_UL_ASS_SEND_ASS) *ul_ass_tbf = tbf; } New tbf's will be added to the front (llist_add). Is it on purpose that the dl_tbfs are preferred over ul_tbfs and that the last of each tbf's will be found? What is the reasoning for this? What will collect/catch poll_fn's that are in the past? holger -- - Holger Freyther <hfreyther at sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Schivelbeiner Str. 5 * 10439 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Directors: Holger Freyther, Harald Welte