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pespin gerrit-no-reply at lists.osmocom.orgpespin has submitted this change. ( https://gerrit.osmocom.org/c/osmo-pcu/+/23910 ) Change subject: Clarify, document Assignment related timers ...................................................................... Clarify, document Assignment related timers Related: OS#3928 Change-Id: Iad31a5c6f83cd78793adf05a6af782ceacae8b11 --- M src/bts.cpp M src/gprs_pcu.c M src/tbf.cpp M src/tbf_dl.cpp 4 files changed, 12 insertions(+), 7 deletions(-) Approvals: Jenkins Builder: Verified laforge: Looks good to me, but someone else must approve fixeria: Looks good to me, but someone else must approve pespin: Looks good to me, approved diff --git a/src/bts.cpp b/src/bts.cpp index 449e1ac..bcf4d1b 100644 --- a/src/bts.cpp +++ b/src/bts.cpp @@ -602,8 +602,10 @@ LOGP(DRLCMAC, LOGL_DEBUG, "Got IMM.ASS confirm for TLLI=%08x\n", tlli); - if (dl_tbf->m_wait_confirm) + if (dl_tbf->m_wait_confirm) { + /* Transition to FLOW in gprs_rlcmac_tbf::handle_timeout() when timer expires */ T_START(dl_tbf, T0, -2002, "assignment (AGCH)", true); + } return 0; } diff --git a/src/gprs_pcu.c b/src/gprs_pcu.c index 226b861..3875e09 100644 --- a/src/gprs_pcu.c +++ b/src/gprs_pcu.c @@ -37,8 +37,8 @@ { .T=PCU_TDEF_SI_CACHE_ALIVE, .default_val=5, .unit=OSMO_TDEF_S, .desc="[RAC+CI]->[SI] resolution cache entry storage timeout (s)", .val=0 }, { .T=-101, .default_val=30, .unit=OSMO_TDEF_S, .desc="BSSGP (un)blocking procedures timer (s)", .val=0 }, { .T=-102, .default_val=30, .unit=OSMO_TDEF_S, .desc="BSSGP reset procedure timer (s)", .val=0 }, - { .T=-2000, .default_val=2, .unit=OSMO_TDEF_MS, .desc="Tbf reject for PRR timer (ms)", .val=0 }, - { .T=-2001, .default_val=2, .unit=OSMO_TDEF_S, .desc="PACCH assignment timer (s)", .val=0 }, + { .T=-2000, .default_val=2, .unit=OSMO_TDEF_MS, .desc="Delay release of UL TBF after tx Packet Access Reject (PACCH) (ms)", .val=0 }, + { .T=-2001, .default_val=2, .unit=OSMO_TDEF_S, .desc="PACCH assignment timeout (s)", .val=0 }, { .T=-2002, .default_val=200, .unit=OSMO_TDEF_MS, .desc="Waiting after IMM.ASS confirm timer (ms)", .val=0 }, { .T=-2030, .default_val=60, .unit=OSMO_TDEF_S, .desc="Time to keep an idle MS object alive (s)", .val=0 }, /* slightly above T3314 (default 44s, 24.008, 11.2.2) */ { .T=-2031, .default_val=2000, .unit=OSMO_TDEF_MS, .desc="Time to keep an idle DL TBF alive (ms)", .val=0 }, diff --git a/src/tbf.cpp b/src/tbf.cpp index b51e7de..672146f 100644 --- a/src/tbf.cpp +++ b/src/tbf.cpp @@ -775,7 +775,7 @@ LOGPTBF(this, LOGL_DEBUG, "timer 0 expired. cur_fn=%d\n", current_fn); - /* assignment */ + /* PACCH assignment timeout (see timers X2000, X2001) */ if ((state_flags & (1 << GPRS_RLCMAC_FLAG_PACCH))) { if (state_is(GPRS_RLCMAC_ASSIGN)) { LOGPTBF(this, LOGL_NOTICE, "releasing due to PACCH assignment timeout.\n"); @@ -785,6 +785,7 @@ LOGPTBF(this, LOGL_ERROR, "Error: TBF is not in assign state\n"); } + /* Finish waiting after IMM.ASS confirm timer for CCCH assignment (see timer X2002) */ if ((state_flags & (1 << GPRS_RLCMAC_FLAG_CCCH))) { gprs_rlcmac_dl_tbf *dl_tbf = as_dl_tbf(this); dl_tbf->m_wait_confirm = 0; @@ -965,9 +966,11 @@ bitvec_free(packet_access_rej); ul_ass_state = GPRS_RLCMAC_UL_ASS_NONE; - /* Start Tmr only if it is UL TBF */ - if (direction == GPRS_RLCMAC_UL_TBF) + /* Start release only if it is UL TBF */ + if (direction == GPRS_RLCMAC_UL_TBF) { + /* tbf_free() called in gprs_rlcmac_tbf::handle_timeout */ T_START(this, T0, -2000, "reject (PACCH)", true); + } return msg; diff --git a/src/tbf_dl.cpp b/src/tbf_dl.cpp index dd5d0f2..fc53c84 100644 --- a/src/tbf_dl.cpp +++ b/src/tbf_dl.cpp @@ -603,7 +603,7 @@ /* change state */ TBF_SET_ASS_ON(this, GPRS_RLCMAC_FLAG_PACCH, true); - /* start timer */ + /* Start timer, expiry in gprs_rlcmac_tbf::handle_timeout tbf_free()s the TBF */ T_START(this, T0, -2001, "assignment (PACCH)", true); } else { LOGPTBFDL(this, LOGL_DEBUG, "Send dowlink assignment on PCH, no TBF exist (IMSI=%s)\n", -- To view, visit https://gerrit.osmocom.org/c/osmo-pcu/+/23910 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-pcu Gerrit-Branch: master Gerrit-Change-Id: Iad31a5c6f83cd78793adf05a6af782ceacae8b11 Gerrit-Change-Number: 23910 Gerrit-PatchSet: 1 Gerrit-Owner: pespin <pespin at sysmocom.de> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <vyanitskiy at sysmocom.de> Gerrit-Reviewer: laforge <laforge at osmocom.org> Gerrit-Reviewer: pespin <pespin at sysmocom.de> Gerrit-MessageType: merged -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20210427/257db852/attachment.htm>