tbf: Send BSSGP LLC discarded on TBI exhaustion
Currently the PCU silently discard LLC frames from the SGSN if a
DL TBF cannot be allocated.
This commit changes tbf_new_dl_assignment and reuse_tbf to send an
LLC discarded message to the SGSN in this case.
Ticket: #607
Sponsored-by: On-Waves ehf
diff --git a/tests/tbf/TbfTest.err b/tests/tbf/TbfTest.err
index d6da0c1..1498c1e 100644
--- a/tests/tbf/TbfTest.err
+++ b/tests/tbf/TbfTest.err
@@ -907,3 +907,4 @@
Searching for first unallocated TFI: TRX=0 first TS=4
No TFI available.
No PDCH resource
+BSSGP (BVCI=1234) Tx LLC-DISCARDED TLLI=0xc0000020, FRAMES=1, OCTETS=256