This can be used for users receiving the GMMRR_ASSIGN_REQ primitive to
find out if it's a creation, update or deletion of a TLLI.
Change-Id: I881b1370b283ceee98c035ed42b91f7e12611979
This is used by lower layer L1CTL to notify the upper layer RLCMAC when
it's prepared to use CCCH.
Change-Id: I4cfb1e2db217a97b7a1dc8849cd13d58e4034c56
This even is triggered by the GSM itself due to internal timeouts as a
consequence of lower layers not resolving the request (with accept or
reject events).
Change-Id: Ic1072629595e75c411b421e71f6ffac5dd41da3b
TS 44.018 3.5.2.1.4:
"The one phase packet access procedure is completed at a successful
contention resolution. The mobile station has entered the packet transfer
mode. Timer T3141 is stopped on the network side. Timer T3164 is stopped
on the mobile station side."
Change-Id: Ic7420a42e2e81effdde587d7e49acd66b404354c
This will be needed in follow-up patches for the MS to trigger actions
when TBFs are freed (like going back to IDLE mode, or start
packet-access-procedure).
Change-Id: I72959e27f2f62c84218d740cfb9e396d70562929
* Send the PDCH_ESTABLISH.req on receipt of RR IMM ASS,
* Sending of PDCH_RELEASE.req is to be implemented.
Change-Id: I2568c58646ce7511367275ac96cd55e7fdd7ec18
Related: OS#5500
In the test more PDUs are submited in LLC in order to avoid trigger
max_retrans=4 for last block, which would trigger beforehand in that
case.
Change-Id: Ia83173afdbb25df18c7cead7857fe1b39a1ce82f
The Countdown procedure (decreasing CV field in UL RLCMAC data blocks)
is defined in TS 44.060 9.3.1.
It is implemented by means of counting/calculating the amount of RLC/MAC
blocks to be transmitted based on the LLC frames in the several LLC
queues, without actually generating the RLC/MAC blocks. The blocks
cannot be generated ahead of time because that wouldn't allow recreating
them in case Tx UL CS changes, or if a higher priority LLC frames
arrives.
The functions calculating the required amount of RLC/MAC blocks are
coded so that they early return to avoid spending more time than
necessary counting blocks (< BS_CV_MAX).
An extra heuristic optimization to be used when LLC queues are long is left
documented as a TODO, in order to test further the general non-optimized
path for now. Once the counting is proved to work reliably, that and
other heuristic optimizations ca be implemented, like keeping and
decreasing CV cached counter while no Tx CS change occurs or no new LLC
frames are enqueued.
Change-Id: If043c86a0c2b89d0ac0b8174de39fbcb22bed8cb
Dummy LLC commands only make sense in the network->MS direction, in
order to delay closing the DL TBF (3GPP TS 44.064 6.4.2.2). That code in
the MS is a leftover from porting code from osmo-pcu.
Change-Id: I062aa9aea4f7d66a70ed53eae1c67780ddc3dca5
Basic implementation of gprs_gmm_decode_network_name() was cherry-picked
from osmocom-bb 2dfa84e73dca455900e6522f61f5c610077783b7
decode_network_name().
Change-Id: I9b81f8f9113a95cc75666dac5ff9e315d0845fcb
This information will be needed once the GRR layer starts listening for
paging requests, which identify MS by either PTMSI or IMSI.
Change-Id: I3a0c4a57c3d624c3ebb40ae2cc0c96626ccc2c99
enc/dec implementation and unit test are imported from osmo-sgsn.git
b83aabaa95695c61a64e5e990944f8e55934a976.
Change-Id: Ia3b903e8bc7890489390dcc5b2d4b60efd55dc2c
This event doesn't show up as an explicit primitive in TS 24.007 GMMRR
SAP, but it is clearly needed to (re)arm the READY timer in GMM layer as
per TS 24.008 section 4.7.2.1.1:
"""
The READY timer is started:
- in the MS when the GMM entity receives an indication from lower layers that an LLC frame other than LLC
NULL frame has been transmitted on the radio interface;
"""
Change-Id: I9fd4047cfae4a12ad3be41860032eeda263d3276
Pau Espin
Vadim Yanitskiy