diff options
| author | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2016-02-02 11:48:37 +0100 |
|---|---|---|
| committer | Jacob Erlbeck <jerlbeck@sysmocom.de> | 2016-02-08 00:45:39 +0100 |
| commit | 9e8593917f3e301c3487f73430ce416a08360ce8 (patch) | |
| tree | a6aaf82b90bb7581f38fd3d823b2d953c3fa6bfb /src/rlc.cpp | |
| parent | f1a7b8fc6651f92a8b7f3f27b7ca05d07f4e44e0 (diff) | |
rlc: Support encoding of EGPRS header type 1 + 2
Currently only header type 3 (MCS-1 to MCS-4) is supported.
Add header structs to rlc.h and extend
Encoding::rlc_write_dl_data_header accordingly.
Sponsored-by: On-Waves ehf
Diffstat (limited to 'src/rlc.cpp')
| -rw-r--r-- | src/rlc.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/src/rlc.cpp b/src/rlc.cpp index e4a9563a..efe42614 100644 --- a/src/rlc.cpp +++ b/src/rlc.cpp @@ -327,7 +327,8 @@ void gprs_rlc_data_block_info_init(struct gprs_rlc_data_block_info *rdbi, rdbi->spb = 0; } -unsigned int gprs_rlc_mcs_cps(GprsCodingScheme cs, int punct, int with_padding) +unsigned int gprs_rlc_mcs_cps(GprsCodingScheme cs, int punct, int punct2, + int with_padding) { switch (GprsCodingScheme::Scheme(cs)) { case GprsCodingScheme::MCS1: return 0b1011 + punct % 2; @@ -335,7 +336,12 @@ unsigned int gprs_rlc_mcs_cps(GprsCodingScheme cs, int punct, int with_padding) case GprsCodingScheme::MCS3: return (with_padding ? 0b0110 : 0b0011) + punct % 3; case GprsCodingScheme::MCS4: return 0b0000 + punct % 3; - /* TODO: Add missing MCS */ + case GprsCodingScheme::MCS5: return 0b100 + punct % 2; + case GprsCodingScheme::MCS6: return (with_padding ? 0b010 : 0b000) + + punct % 2; + case GprsCodingScheme::MCS7: return 0b10100 + 3 * (punct % 3) + punct2 % 3; + case GprsCodingScheme::MCS8: return 0b01011 + 3 * (punct % 3) + punct2 % 3; + case GprsCodingScheme::MCS9: return 0b00000 + 4 * (punct % 3) + punct2 % 3; default: ; } |