tree 668b20d047904418a3a4a22ff0aa620dd601062c
parent b54229d2ecefc3b56169c55f723fad4801a570be
author Vadim Yanitskiy <vyanitskiy@sysmocom.de> 1646865783 +0300
committer Vadim Yanitskiy <vyanitskiy@sysmocom.de> 1646909859 +0300

libosmocodec: osmo_hr_check_sid(): simplify the logic

According to TS 101 318, section 5.2.2, a SID frame is identified
by a SID codeword consisting of 79 bits (r34..r112) which are all 1.
Given that there are no gaps in the codeword, we don't really need
to use bitvec_get_bit_pos() and check each field individually.
This brings additional complexity and negatively affects performance.

Instead, let's use bitvec_get_bit_pos() to check all bits in a row.

Change-Id: I678f8ff92317fe87f1aca511a3a062ad898e55cc
Related: SYS#5853