| Commit message (Collapse) | Author | Age | Files | Lines |
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Instead of direct function calls to individual functions, we now
generate primitives (osmo_prim) and send them to one
application-provided function "bssgp_prim_cb()"
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Rather than using openbsc internal data/functions, we now use only
internal and libosmocore-provided ones.
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which removes some further dependencies of libgb to openbsc internal
code and data.
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This also removes the dependency to osmo_sock() inside libcommon and
replaces it with osmo_sock_* from libosmocore
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gsm_data_shared.h includes e1_input.h of libosmo-abis, add the
LIBOSMOABIS_CFLAGS to Makefile.am, remove AM_LDFLAGS at the same
time as we only build .a archives.
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The BSS-side of BSSGP requires quite a number of additional functions
for sending unidirectional messages that a SGSN never sends.
This is a first step into completing the BSSGP implementation and making
it ready to be used from osmo-bts and other BTS-side GPRS
implementations.
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we need it for deriving the NSEI anyway.
Detected by Smatch
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Summary of changes:
s/signal_cbfn/osmo_signal_cbfn/g
s/register_signal_handler/osmo_signal_register_handler/g
s/unregister_signal_handler/osmo_signal_unregister_handler/g
s/dispatch_signal/osmo_signal_dispatch/g
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Summary of changes:
s/struct bsc_fd/struct osmo_fd/g
s/bsc_register_fd/osmo_fd_register/g
s/bsc_unregister_fd/osmo_fd_unregister/g
s/bsc_select_main/osmo_select_main/g
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Summary of changes:
s/struct timer_list/struct osmo_timer_list/g
s/bsc_add_timer/osmo_timer_add/g
s/bsc_schedule_timer/osmo_timer_schedule/g
s/bsc_del_timer/osmo_timer_del/g
s/bsc_timer_pending/osmo_timer_pending/g
s/bsc_nearest_timer/osmo_timers_nearest/g
s/bsc_prepare_timers/osmo_timers_prepare/g
s/bsc_update_timers/osmo_timers_update/g
s/bsc_timer_check/osmo_timers_check/g
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This patch extends the make_sock() prototype so you can fully set
the fields priv_nr and data of the bsc_fd structure.
This is the first step to get rid of the internal make_sock()
implementation that ipaccess-proxy uses.
This patch includes a minor cleanup to pass INADDR_ANY instead
of zero, if you do not want to bind the socket to one specific
address.
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This uses the new include file for vty_out_rate_ctr_group() which
available in libosmocore.
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libosmogsm is a new library that is distributed in the libosmocore.
Now, openbsc depends on it. This patch gets openbsc with this
change.
This patch also rewrites all include path to the new
osmocom/[gsm|core]
Signed-off-by: Pablo Neira Ayuso <pablo@gnumonks.org>
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... and make sure tests work again after restructuring
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Recent libosmocore introdues a way how log targets can be configured from
the VTY.
This commit makes the 'log filter (imsi|nsvc|bvc)' compatible with it.
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The reason for this is quite simple: We want to make sure anyone
running a customized version of OpenBSC to operate a network will
have to release all custom modifiations to the source code.
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When gprs_ns_sendmsg() succeeds in sending the message, we free()d the
msgb after transmitting it on the socket. However, if the NS-VC is
blocked or some other error condition exists, we returned an error
code but didn't free the msgb.
This resulted in an error leak which is now being addressed.
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Zecke has found this using "make CC="clang --analyze"
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Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
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We now have a function that generates BSSGP PS and CS paging request.
It is called from the libgtp code when we receive a GTP packet from
the GGSN for a MM context that is in SUSPEND state. We then issue
a PS paging request to the Cell with the BVCI where the last RA update
was being performed.
TODO: We still don't enqueue the GTP packet (and transmit it on paging
complete), and we don't rate-limit the paging requests, i.e. every GTP packet
will trigger another paging request.
We probably also need some kind of logic that marks the phone as UNREGISTERED
if it doesn't respond to paging requests for some time.
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* separate the LLME and LLE state in the LLC layer
* introduce gprs_llgmm_assign() function for LLGMM-ASSIGN.req primitive
* change QoS profile to match 'real' SGSN
* Update the new TLLI when assigning a P-TMSI
The result now is that the LLC layer is notified of TLLI changes, which in turn
means it doesn't allocate a new LLE structure every TLLI change, which again
in turn means that the UI frame sequence number does not reset to zero.
As a result, MS should no longer ignore frames based on wrong UI sequence number.
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When we send a downlink unit-data request via BSSGP, there is a lot
of information that needs to be copied from the mm context, such as
the IMSI, DRX parametes, MS radio access parameters, ...
This is a quite strange layering violation, since we now need to pass
a pointer to the MM ctx from GMM through LLC into BSSGP :(
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This is of course not the correct way of dealing with it, but for
now it should make the Ericsson Mobile Plafrom based phones happy
(they insist to do a suspend/resume cycle before pdp ctx act)
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GRE has the strange notion of keepalive messages being encapsulated IPv4
packets adressed back to the sender. Since we actually really only care
about frame relay, this is a bit strange. However, we'll do some sanity
checks and send it back through our GRE socket...
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0 Reserved for ANSI Annex D and CCITT Annex A link management
1 - 15 Reserved
16 - 1007 Any PVC
1008 - 1018 Reserved
1019 - 1022 Reserved for LMI multicast
1023 Reserved for LMI link management
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According to the spec, after an incoming RESET or RESET_ACK, we shall start the
TEST procedure, not the ALIVE procedure.
Also, when we start the TEST procedure, we have to always send a NS_ALIVE
packet at the same time (we didn't in the case of incoming RESET).
Furthermore, we now only start TIMER_TNS_ALIVE from within the
TIMER_TNS_RESET callback code, where we also make sure that the
alive_retries counter is reset to zero.
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The buffer got allocated with headroom and we need to
subtract that from the size of the buffer.
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