15 Jun
2016
15 Jun
'16
11:30 a.m.
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- Log -----------------------------------------------------------------
http://cgit.osmocom.org/osmo-bts/commit/?id=7158c2ed082eaca6063a501e490e8d3…
commit 7158c2ed082eaca6063a501e490e8d3c3b181560
Author: Neels Hofmeyr <neels(a)hofmeyr.de>
Date: Mon Jun 13 15:03:18 2016 +0200
sysmo: add L3 handle to l1prim messages
Place a layer 3 handle into GSM L1 messages to better match up confirmations to
respective requests. This handle is a uint32_t transparently returned in the
confirmation messages, so a match-up is easy to add.
So far, a GSM L1 confirmation message received for a preceding L1 Request was
matched only by the prim_id. That meant that only one instance of the same
primitive could be waiting for a confirmation at any given time, or the
responses would get mixed up: the struct wait_l1_conf instances entered into
the fl1h->wlc_list queue would be returned to a possibly mismatching
confirmation handler. (Seen during testing of dyn pdch switching.)
Send the hLayer3 handle out via prim_init(), using new static functions to
produce handles on different scopes:
* l1p_handle_for_trx()
* l1p_handle_for_ts()
* l1p_handle_for_lchan()
(These could possibly move to a more general .h/.c file later.)
Remember the hLayer3 handle in
* struct wait_l1_conf.
Match the incoming confirmations' and stored hLayer3 handles up in, and remove
a now obsolete comment from:
* is_prim_compat()
Since the hLayer3 members are at different byte offsets in
GsmL1_Prim_t.u.*, use large switch statements to set/get the value:
* In prim_init(), extend existing switch statement to set in GsmL1_Prim_t.
* Add l1p_get_hLayer3() to retrieve from GsmL1_Prim_t (could possibly move to a
more general .h/.c file later).
Change-Id: Ie4533c6cbc160318917e7a672ab6f9a848f01d1b
-----------------------------------------------------------------------
Summary of changes:
src/osmo-bts-sysmo/l1_if.c | 58 ++++++++++++++++++++++++++++++--
src/osmo-bts-sysmo/oml.c | 83 ++++++++++++++++++++++++++++++++++++++++------
2 files changed, 128 insertions(+), 13 deletions(-)
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Osmocom BTS-side code (Abis, scheduling, ...)