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-rw-r--r--src/rlc.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/rlc.cpp b/src/rlc.cpp
index 44ce817b..1a8efdf6 100644
--- a/src/rlc.cpp
+++ b/src/rlc.cpp
@@ -311,3 +311,18 @@ void gprs_rlc_data_block_info_init(struct gprs_rlc_data_block_info *rdbi,
rdbi->pi = 0;
rdbi->spb = 0;
}
+
+unsigned int gprs_rlc_mcs_cps(GprsCodingScheme cs, int punct, int with_padding)
+{
+ switch (GprsCodingScheme::Scheme(cs)) {
+ case GprsCodingScheme::MCS1: return 0b1011 + punct % 2;
+ case GprsCodingScheme::MCS2: return 0b1001 + punct % 2;
+ case GprsCodingScheme::MCS3: return (with_padding ? 0b0110 : 0b0011) +
+ punct % 3;
+ case GprsCodingScheme::MCS4: return 0b0000 + punct % 3;
+ /* TODO: Add missing MCS */
+ default: ;
+ }
+
+ return -1;
+}