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http://cgit.osmocom.org/openbsc/commit/?id=532480a705726452ace30b1a914640d9…
commit 532480a705726452ace30b1a914640d984dd0418
Author: Philipp <pmaier(a)sysmocom.de>
Date: Fri Dec 23 11:05:11 2016 +0100
cosmetic: Rename phone to ms
The term "phone" is incorrect. Rename phone to "MS" (mobile
station)
in the comments and log output of gprs_llc.c
Change-Id: I322d3d99452502da7555cc2af6bc8a192ca3c9c5
http://cgit.osmocom.org/openbsc/commit/?id=db142dc59dc8d79d8ee608c9165bc865…
commit db142dc59dc8d79d8ee608c9165bc865d240b97d
Author: Philipp <pmaier(a)sysmocom.de>
Date: Thu Dec 22 14:15:20 2016 +0100
sndcp: Allow empty SNDCP-XID indications
In some rare cases the modem might send a xid indication that does
not contain anything except the version number field. The sgsn
ignors such SNDCP-XID indications by stripping the entire field
from the response. We found a modem in the wild that started to
act problematic when the empty SNDCP-XID was missing in the
response. This patch changes the XID negotiation behaviour in
a way that if a modem should send empty SNDCP-XID indications,
the reply will also contain an empty SNDCP-XID indication. Apart
from that the SNDCP-XID version number is now parsed and echoed
in the response. This ensures that we always reply with the version
number that the modem expects. (The version was 0 in all cases we
observed so far)
Change-Id: I097a770cb4907418f53e620a051ebb8cd110c5f2
Related: OS#1794
-----------------------------------------------------------------------
Summary of changes:
openbsc/include/openbsc/gprs_sndcp_xid.h | 14 +++++----
openbsc/src/gprs/gprs_llc.c | 14 ++++-----
openbsc/src/gprs/gprs_sndcp.c | 25 +++++++--------
openbsc/src/gprs/gprs_sndcp_xid.c | 54 +++++++++++++++++++++-----------
openbsc/tests/sndcp_xid/sndcp_xid_test.c | 10 +++---
5 files changed, 68 insertions(+), 49 deletions(-)
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