Commit Graph

3 Commits

Author SHA1 Message Date
Pau Espin 154ff41292 rlcmac: ul_tbf: Implement support for TBF Starting Time
While reworking tbf_ul_ass_fsm, avoid being in "ASSIGN" state while
waiting to send Pkt Ctrl Ack. The PCU is free to ask the TBF to transmit
data before receiving Pkt Ctrl Ack; the time where it can start
transmitting data is actually controlled by TBF Starting Time.

Change-Id: Id81f16743f2c464e01caf27ba2eb8c0fc715fe8a
2023-03-09 10:22:04 +01:00
Pau Espin cccba723b4 rlcmac: Introduce initial poll answer infrastructure
This commit imports pdch_ul_controller.{c,h} from osmo-pcu.git
d8cea3c618dbd2a343e6c012e5545006d44fc244 and adapts it to be of use on
the MS side.

Related: OS#5500
Change-Id: I9d38a8de4240e65585cc8bbe3c044473af5a83e5
2023-02-20 12:31:25 +01:00
Pau Espin 0984044e1c rlcmac: Initial implementation of UL TBF assignment and scheduler
This patch is another step towards a working RLC/MAC implementation. It adds:
* An initial data model with MS (gprs_rlcmac_entity) and ul_tbf.
* A UL_TBF state FSM from initial to FLOW status
* A UL_TBF assignemnt FSM, covering both 1phase and 2phase assignments.
* Triggering of UL_TBF allocation and assignment FSM when new LLC data
  is pushed from upper layers.
* A scheduler generating some ctrl messages (PktResReq and UlDummyCtrlBlk)
  when indicated by the network.

This patch is pushed as a WIP state since it already contains a
considerable amount of code and lots of new files, which can be
used/extended at a later point, making parallel contribution easier.

Related: OS#5500
Change-Id: I420c57a9d0b63f9c2805a7c2ae8ce85532a48eef
2023-02-13 10:43:29 +01:00