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In preparation for inter-BSC and inter-MSC handover, we need to separate the
subscriber management logic from the actual RAN connections. What better time
to finally rename gsm_subscriber_connection.
* Name choice:
In 2G, this is a connection to the BSS, but even though 3GPP TS commonly talk
of "BSS-A" and "BSS-B" when explaining handover, it's not good to call it
"bss_conn": in 3G a BSS is called RNS, IIUC.
The overall term for 2G (GERAN) and 3G (UTRAN) is RAN: Radio Access Network.
* Rationale:
A subscriber in the MSC so far has only one RAN connection, but e.g. for
inter-BSC handover, a second one needs to be created to handover to. Most of
the items in the former gsm_subscriber_connection are actually related to the
RAN, with only a few MM and RTP related items. So, as a first step, just rename
it to ran_conn, to cosmetically prepare for moving the not strictly RAN related
items away later.
Also:
- Rename some functions from msc_subscr_conn_* to ran_conn_*
- Rename "Subscr_Conn" FSM instance name to "RAN_conn"
- Rename SUBSCR_CONN_* to RAN_CONN_*
Change-Id: Ic595f7a558d3553c067f77dc67543ab59659707a
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Change-Id: Id56ea492594edc38d1f9d31d94a1679c0cb61fa0
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The CC sub-layer is fairly self-contained, so let's move it to
a separate C source file. The old gsm_04_08.c file now only
contains the 04.07 / DTAP core and MM sub-layer handling.
I did this initially as an experiment to see how self-contained
our CC implementation really is. Given this rather straight-forward
patch builds fine, CC really is self-contained (yay!).
Change-Id: Idb8dd7a8d9d8b4a28c492f12da3cc3305b695cca
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This function could be also used by other parts of code, e.g.
by gsm_04_11.c or by gsm_09_11.c, during initialization of
a new transaction. No need to hide it.
Change-Id: I9a9d17fca4901163dae10d76455aa4cf54497156
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Related: OS#2528
Change-Id: I89157c446d66e11adbe3cad587eb34ec40271c12
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osmo-msc still had large amounts of dead code that came along from
openbsc.git. This commit removes a lot of it, mostly stuff relevant
only to the BSC side of things (or even GPRS).
Change-Id: I247def85da2dc3ec461389fb74414a0d964e7e3c
Related: OS#2528
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We don't have BSC or GPRS related logging filters here.
This is a leftover from the NITB->MSC split
Change-Id: I05f991d1f5b7f89545521a73d79619bee4111094
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Change-Id: I1f96a1285bbd1b4607614856bca935d5c26e2da9
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