20 Nov
2015
20 Nov
'15
6:10 p.m.
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http://cgit.osmocom.org/osmo-bts/commit/?id=437deb5f3a9dcfcb0c40ac8b44c20a5…
commit 437deb5f3a9dcfcb0c40ac8b44c20a5987907990
Author: Harald Welte <laforge(a)gnumonks.org>
Date: Fri Nov 20 18:05:51 2015 +0100
sysmobts: fix ph_data_req() msgb handling + alignment
The way we recycle the msgb with a l1sap header when transforming a
PH-DATA.req L1SAP primitive into a PHY/L1 primitive was flawed in
several ways:
1) the way the L1SAP header was stored in the buffer didn't provide
sufficient tailroom for the L1 primitive
2) the alignment of the data in L1SAP is at a 32bit bounadry, but not
in the L1 primitive, causing unaligned accesses.
-----------------------------------------------------------------------
Summary of changes:
src/osmo-bts-sysmo/l1_if.c | 40 ++++++++++++++++------------------------
1 file changed, 16 insertions(+), 24 deletions(-)
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Osmocom BTS-side code (Abis, scheduling, ...)