7458 Commits (770021e36487106409713172b58f3c63854ea58a)
 

Author SHA1 Message Date
Xavier Arteaga 137d250d66 srsLTE: fix ZMQ decimation pointer 4 years ago
Andre Puschmann a7911f0dab pdcp,rlc: refactor SDU queueing policy
this patch refactors the SDU queuing and dropping policy of the RLC and PDCP layer.
the previous design had issues when packets have been generated at a higher
rate above the PDCP than they could be consumed below the RLC.

When the RLC SDU queues were full, we allowed two policies, one to block on the write
and the other to drop the SDU. Both options are not ideal because they either
lead to a blocking stack thread or to lost PDCP PDUs.

To avoid this, this patch makes the following changes:

* PDCP monitors RLC's SDU queue and drops packets on its north-bound SAP if queues are full
  * a new method sdu_queue_is_full() has been added to the RLC interface for PDCP
* remove blocking write from pdcp and rlc write_sdu() interface
  * all writes into queues need to be non-blocking
  * if Tx queues are overflowing, SDUs are dropped above PDCP, not RLC
* log warning if RLC still needs to drop SDUs
  * this case should be avoided with the monitoring mechanism
4 years ago
Andre Puschmann 7a66a00e15 block_queue: add method to check if given queue is full 4 years ago
Xavier Arteaga f39abe0094 SRSENB: fix MAC pending PHY config 4 years ago
Francisco Paisana 5e06430455 removal of stack handler interface 4 years ago
Francisco Paisana 7c364070ee creation of task scheduler interface for classes/functions running outside the main control thread 4 years ago
Francisco Paisana 039977aeb5 renamed interfaces 4 years ago
Francisco Paisana 1a9c04bf2f use of task scheduler handle in pdcp 4 years ago
Francisco Paisana e9f34c7613 using task scheduler in enb stack 4 years ago
Francisco Paisana 4f5e65781f created task scheduler class to deal with timers, thread pool, multiqueue, internal tasks 4 years ago
Pedro Alvarez 89b6e0f714 Send paging message to all cells. 4 years ago
Francisco Paisana fe8f8be62d apply separate cqi configurations to scells 4 years ago
Andre Puschmann d5f0ad9f35 pdcp: fix typo 4 years ago
Pedro Alvarez 528777fa29 Added sleep to avoid nas test concurrency issue. 4 years ago
Andre Puschmann 2749c870e3 rlc_am: refactor control test
* move both tests into own functions and call those in main()
* use common test header and macros
4 years ago
Andre Puschmann 035c369a43 mac_pdu: fix check of remaining length when adding new subheader to MAC PDU
when adding a new subheader to a MAC PDU we should only add the subheader
if at least 2 bytes are left in the PDU. Even a 1 Byte MAC Control Element requires
another byte to pack the subheader.

This fixes #1424 in which a 3 B MAC opportunity is provided in the UL. After
adding the Short BSR, we tried to add another MAC subheader. Adding the subheader
succeeded even though no space is left to add a single byte. With this patch,
adding the subheader fails and the generates MAC PDU is correct.
4 years ago
Andre Puschmann 58e255cb63 pdu_test: add unit test to verify correct packing of 3B PDU with Short BSR 4 years ago
Andre Puschmann 5589816690 pdu_test: fix PCAP output
API now requires to pass CC index
4 years ago
Francisco Paisana 8c920837d6 fix issue when adding neighbour cell that matches serving cell 4 years ago
Francisco Paisana 43db9b81fb fix function ptr issue 4 years ago
Francisco Paisana d746115130 moved serving cell to meas_cell_list 4 years ago
Francisco Paisana 928459408e fix cell meas sorting issue 4 years ago
Francisco Paisana d2dd30c8cb rrc_meas_test failing 4 years ago
Francisco Paisana 9a1f69113f created class for managing neighbor cells of rrc 4 years ago
Francisco Paisana 069dc1f751 moved cell struct of srsue::rrc to separate file 4 years ago
Andre Puschmann f6d3467884 ringbuffer: fix timeout calculation for timed read
with ZMQ RF, we've seen the radio returning -1 and traced
the issue down to the ringbuffer.
in fact, pthread_cond_timedwait() returned 22 (EINVAL) indicating
a wrong timeout value. The issue was likely an overflow
in the timespec parameter. This patch checks for the return
value of pthread_cond_timedwait() and also calculates the
nanosecond wrap around for the timespec
4 years ago
Andre Puschmann aed38a6028 rf_zmq: increase default ZMQ timeout to 2s
amarisoft flags an RF error and exits after not receiving samples
for the radio. Running with ZMQ in the RFCI, the UE sometimes needs more
time to start up due to slow processing and no fftw wisdom file and
then Amarisoft eNB times out. This gives the whole process a little
bit more time. Should we still find it too short we may increase
it further.
4 years ago
Andre Puschmann b3e92883d4 rlc_um: reduce log level when provided space is not enough to build PDU
this is not a warning case as it can always happen. reduce level to info therefore.
4 years ago
Andre Puschmann 95f5093432 rlc_am: hold lock while handling new PDUs
This lock was removed in 1cbf7eac because it was considered unneeded.
However, as can be seen in issue #1503, we need to protect the access
to rx_window, for example.

Issue #1503 shows a stack trace where a PHY worker generates a status PDU.
While holding the mutex to access rx_window, the stack thread on the
other hand, happily accesses the rx_window member without acquiring
the lock. This commit protects all handle_*() functions in write_pdu().

This reverts commit 1cbf7eac04.
4 years ago
Francisco Paisana e550bf726d updated fsm to allow enter methods to receive event that caused them 4 years ago
Andre Puschmann 6f5da19312 pdcp: similar to tx, also reduce log for Rx
instead of logging PDU received from below, and SDU that is forwarded
to above, only log the PDU in rx in info mode.

The next layer will do the same and log the PDU received (which is the SDU coming from here)
so there is now loss of information in the logs.
4 years ago
Andre Puschmann 1e4eae7395 nas: log estimated count instead of local rx_count when logging integrity check result 4 years ago
Andre Puschmann bd0c13aad0 ue_stack: bump priority of stack thread
the stack thread should really run with the next highest priority after
sync + phy workers to make sure it gets enough CPU
4 years ago
Andre Puschmann 6654453e22 pdcp: reduce amount of log messages during tx
drop logging encrypted PDU seperately. Instead, only log formatted
PDCP PDU before passing to lower layers
4 years ago
Francisco Paisana 08f9801c76 remove requirement for rrc to be idle and nas attached to run reselection 4 years ago
Francisco Paisana d12b037e0d make cell reselection periodic and with period of 20msec 4 years ago
Francisco Paisana 504e3a1b7a fix max retx configuration in scheduler and updated tester to catch the error 4 years ago
Andre Puschmann 2012fdcbae gtpu: remove unused vars 4 years ago
Andre Puschmann 4c667bd478 rrc_ue: improve logging of CA activation
* check Pcell has configured Scells when entering function
* log if UE doesn't support CA (only if scells are configured)
* log info about CA activation only after all checks have passed
* fix typo
4 years ago
Francisco Paisana 510687766f added comments in rrc cell select test 4 years ago
Francisco Paisana c6f422d23e improved cell selection test in srsue::rrc 4 years ago
Francisco Paisana 3b1f2719dd return error from cell selection if unable to select serving cell 4 years ago
Francisco Paisana 3e016b8095 select serving cell during cell selection if it is stronger than neighbors 4 years ago
Xavier Arteaga 6f03ce7e11 srsLTE: minor radio fix 4 years ago
Xavier Arteaga 67543a73bb Radio: fix erroneous offset 4 years ago
Xavier Arteaga 8966db31d8 srsLTE: Radio benchmark plots all ports 4 years ago
Andre Puschmann ff96336f91 rlc_um: fix reestablishment for sending UM entity
we've reset the rx state variables during reestablishment but not
the tx state variable.
4 years ago
Andre Puschmann 218fa5cf55 ttcn3_dut: fix bug in DUT
reducing the sync queue len to 1 caused an issue when the
PHY was locking the mutex while trying to push a TTI event
on the stack.

instead of signaling the new TTI within the PHY, we now do it outside
in the DUT (after releasing the PHY mutex)
4 years ago
Francisco Paisana 84f34bc736 changed to a label filtering approach for ctest 4 years ago
Francisco Paisana ebb8f18000 set some extra tests with the prefix "long_" 4 years ago