https://projects.osmocom.org/https://projects.osmocom.org/favicon.ico?16647414092020-11-13T13:28:02ZOpen Source Mobile CommunicationsOsmoPCU - Bug #4849: osmo-pcu: Sending LLC UI Dummy commands inside DL RLCMAC GPRS data blocks for no good reasonhttps://projects.osmocom.org/issues/4849?journal_id=203102020-11-13T13:28:02Zpespin
<ul></ul><p>The situation is even worse because counter CTR_RLC_DL_PAYLOAD_BYTES which is supposed to count RLC DL Payload bytes is counting all those forged LLC dummy frames, which means the counter values makes not much sense from someone expecting it to roughly match amount of data received at the Gb side of osmo-pcu.</p> OsmoPCU - Bug #4849: osmo-pcu: Sending LLC UI Dummy commands inside DL RLCMAC GPRS data blocks for no good reasonhttps://projects.osmocom.org/issues/4849?journal_id=204312020-11-27T16:56:03Zpespin
<ul><li><strong>Status</strong> changed from <i>New</i> to <i>In Progress</i></li><li><strong>% Done</strong> changed from <i>0</i> to <i>70</i></li></ul><p>LLC UI dummy frames are not sent anymore together with other llc frames in same rlcmac block thanks to this patch:<br /><a class="external" href="https://gerrit.osmocom.org/c/osmo-pcu/+/21387">https://gerrit.osmocom.org/c/osmo-pcu/+/21387</a> Dl TBF: Get rid of LLC UI dummy blocks following other data</p> OsmoPCU - Bug #4849: osmo-pcu: Sending LLC UI Dummy commands inside DL RLCMAC GPRS data blocks for no good reasonhttps://projects.osmocom.org/issues/4849?journal_id=204872020-11-30T19:42:56Zpespin
<ul><li><strong>Status</strong> changed from <i>In Progress</i> to <i>Feedback</i></li><li><strong>% Done</strong> changed from <i>70</i> to <i>90</i></li></ul><p>I submitted TTCN3 test cases to make sure we are not sending them and that we add the padding LI=127 in EGPRS.<br /><a class="external" href="https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21419">https://gerrit.osmocom.org/c/osmo-ttcn3-hacks/+/21419</a> pcu: Verify LLC UI dummy frames are not appended at end of rlcmac DL block</p> OsmoPCU - Bug #4849: osmo-pcu: Sending LLC UI Dummy commands inside DL RLCMAC GPRS data blocks for no good reasonhttps://projects.osmocom.org/issues/4849?journal_id=205682020-12-09T12:42:47Zpespin
<ul><li><strong>Status</strong> changed from <i>Feedback</i> to <i>Resolved</i></li><li><strong>% Done</strong> changed from <i>90</i> to <i>100</i></li></ul><p>Merged, closing ticket.</p>