osmocom
/
libosmo-gprs
mirror of https://gerrit.osmocom.org/libosmo-gprs
14
0
Fork 0
Code Releases Wiki Activity
libosmo-gprs/src/rlcmac/coding_scheme.c

440 lines
15 KiB
C
Raw Blame History

/* coding_scheme.c
*
* Copyright (C) 2019-2023 by sysmocom s.f.m.c. GmbH
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <stdint.h>
#include <stdbool.h>
#include <osmocom/core/utils.h>
#include <osmocom/gprs/rlcmac/coding_scheme.h>
const struct value_string gprs_rlcmac_coding_scheme_names[] = {
{ GPRS_RLCMAC_CS_UNKNOWN, "UNKNOWN" },
{ GPRS_RLCMAC_CS_1, "CS-1" },
{ GPRS_RLCMAC_CS_2, "CS-2" },
{ GPRS_RLCMAC_CS_3, "CS-3" },
{ GPRS_RLCMAC_CS_4, "CS-4" },
{ GPRS_RLCMAC_MCS_1, "MCS-1" },
{ GPRS_RLCMAC_MCS_2, "MCS-2" },
{ GPRS_RLCMAC_MCS_3, "MCS-3" },
{ GPRS_RLCMAC_MCS_4, "MCS-4" },
{ GPRS_RLCMAC_MCS_5, "MCS-5" },
{ GPRS_RLCMAC_MCS_6, "MCS-6" },
{ GPRS_RLCMAC_MCS_7, "MCS-7" },
{ GPRS_RLCMAC_MCS_8, "MCS-8" },
{ GPRS_RLCMAC_MCS_9, "MCS-9" },
{ 0, NULL }
};
enum gprs_rlcmac_family {
FAMILY_INVALID,
FAMILY_A,
FAMILY_B,
FAMILY_C,
};
const static struct {
struct {
uint8_t bytes;
uint8_t ext_bits;
uint8_t data_header_bits;
} uplink, downlink;
uint8_t data_bytes;
uint8_t optional_padding_bits;
enum gprs_rlcmac_header_type data_hdr;
enum gprs_rlcmac_family family;
} mcs_info[GPRS_RLCMAC_NUM_SCHEMES] = {
{{0, 0}, {0, 0}, 0, 0,
GPRS_RLCMAC_HEADER_INVALID, FAMILY_INVALID},
{{23, 0}, {23, 0}, 20, 0,
GPRS_RLCMAC_HEADER_GPRS_DATA, FAMILY_INVALID},
{{33, 7}, {33, 7}, 30, 0,
GPRS_RLCMAC_HEADER_GPRS_DATA, FAMILY_INVALID},
{{39, 3}, {39, 3}, 36, 0,
GPRS_RLCMAC_HEADER_GPRS_DATA, FAMILY_INVALID},
{{53, 7}, {53, 7}, 50, 0,
GPRS_RLCMAC_HEADER_GPRS_DATA, FAMILY_INVALID},
{{26, 1}, {26, 1}, 22, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_3, FAMILY_C},
{{32, 1}, {32, 1}, 28, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_3, FAMILY_B},
{{41, 1}, {41, 1}, 37, 48,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_3, FAMILY_A},
{{48, 1}, {48, 1}, 44, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_3, FAMILY_C},
{{60, 7}, {59, 6}, 56, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_2, FAMILY_B},
{{78, 7}, {77, 6}, 74, 48,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_2, FAMILY_A},
{{118, 2}, {117, 4}, 56, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_1, FAMILY_B},
{{142, 2}, {141, 4}, 68, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_1, FAMILY_A},
{{154, 2}, {153, 4}, 74, 0,
GPRS_RLCMAC_HEADER_EGPRS_DATA_TYPE_1, FAMILY_A},
};
const char *gprs_rlcmac_mcs_name(enum gprs_rlcmac_coding_scheme val)
{
return get_value_string(gprs_rlcmac_coding_scheme_names, val);
}
bool gprs_rlcmac_mcs_is_gprs(enum gprs_rlcmac_coding_scheme cs)
{
return GPRS_RLCMAC_CS_1 <= cs && cs <= GPRS_RLCMAC_CS_4;
}
bool gprs_rlcmac_mcs_is_edge(enum gprs_rlcmac_coding_scheme cs)
{
return GPRS_RLCMAC_MCS_1 <= cs && cs <= GPRS_RLCMAC_MCS_9;
}
bool gprs_rlcmac_mcs_is_edge_gmsk(enum gprs_rlcmac_coding_scheme cs)
{
if (gprs_rlcmac_mcs_is_edge(cs))
return cs <= GPRS_RLCMAC_MCS_4;
return false;
}
/* Return 3GPP TS 44.060 §12.10d (EDGE) or Table 11.2.28.2 (GPRS) Channel Coding Command value */
uint8_t gprs_rlcmac_mcs_chan_code(enum gprs_rlcmac_coding_scheme cs)
{
if (gprs_rlcmac_mcs_is_gprs(cs))
return cs - GPRS_RLCMAC_CS_1;
if (gprs_rlcmac_mcs_is_edge(cs))
return cs - GPRS_RLCMAC_MCS_1;
/* Defaults to (M)GPRS_RLCMAC_CS_1 */
return 0;
}
enum gprs_rlcmac_coding_scheme gprs_rlcmac_mcs_get_by_size_ul(unsigned size)
{
switch (size) {
case 23: return GPRS_RLCMAC_CS_1;
case 27: return GPRS_RLCMAC_MCS_1;
case 33: return GPRS_RLCMAC_MCS_2;
case 34: return GPRS_RLCMAC_CS_2;
case 40: return GPRS_RLCMAC_CS_3;
case 42: return GPRS_RLCMAC_MCS_3;
case 49: return GPRS_RLCMAC_MCS_4;
case 54: return GPRS_RLCMAC_CS_4;
case 61: return GPRS_RLCMAC_MCS_5;
case 79: return GPRS_RLCMAC_MCS_6;
case 119: return GPRS_RLCMAC_MCS_7;
case 143: return GPRS_RLCMAC_MCS_8;
case 155: return GPRS_RLCMAC_MCS_9;
default: return GPRS_RLCMAC_CS_UNKNOWN;
}
}
/* Same as UL. Sizes only change in EGPRS2 blocks, which we don't support */
enum gprs_rlcmac_coding_scheme gprs_rlcmac_mcs_get_by_size_dl(unsigned size)
{
switch (size) {
case 23: return GPRS_RLCMAC_CS_1;
case 27: return GPRS_RLCMAC_MCS_1;
case 33: return GPRS_RLCMAC_MCS_2;
case 34: return GPRS_RLCMAC_CS_2;
case 40: return GPRS_RLCMAC_CS_3;
case 42: return GPRS_RLCMAC_MCS_3;
case 49: return GPRS_RLCMAC_MCS_4;
case 54: return GPRS_RLCMAC_CS_4;
case 61: return GPRS_RLCMAC_MCS_5;
case 79: return GPRS_RLCMAC_MCS_6;
case 119: return GPRS_RLCMAC_MCS_7;
case 143: return GPRS_RLCMAC_MCS_8;
case 155: return GPRS_RLCMAC_MCS_9;
default: return GPRS_RLCMAC_CS_UNKNOWN;
}
}
enum gprs_rlcmac_coding_scheme gprs_rlcmac_mcs_get_gprs_by_num(unsigned num)
{
if (num < 1 || num > 4)
return GPRS_RLCMAC_CS_UNKNOWN;
return GPRS_RLCMAC_CS_1 + (num - 1);
}
enum gprs_rlcmac_coding_scheme gprs_rlcmac_mcs_get_egprs_by_num(unsigned num)
{
if (num < 1 || num > 9)
return GPRS_RLCMAC_CS_UNKNOWN;
return GPRS_RLCMAC_MCS_1 + (num - 1);
}
bool gprs_rlcmac_mcs_is_valid(enum gprs_rlcmac_coding_scheme cs)
{
return GPRS_RLCMAC_CS_UNKNOWN < cs && cs <= GPRS_RLCMAC_MCS_9;
}
bool gprs_rlcmac_mcs_is_compat_kind(enum gprs_rlcmac_coding_scheme cs, enum gprs_rlcmac_coding_scheme_kind mode)
{
switch (mode) {
case GPRS_RLCMAC_SCHEME_GPRS: return gprs_rlcmac_mcs_is_gprs(cs);
case GPRS_RLCMAC_SCHEME_EGPRS_GMSK: return gprs_rlcmac_mcs_is_edge_gmsk(cs);
case GPRS_RLCMAC_SCHEME_EGPRS: return gprs_rlcmac_mcs_is_edge(cs);
}
return false;
}
bool gprs_rlcmac_mcs_is_compat(enum gprs_rlcmac_coding_scheme cs, enum gprs_rlcmac_coding_scheme o)
{
return (gprs_rlcmac_mcs_is_gprs(cs) && gprs_rlcmac_mcs_is_gprs(o)) ||
(gprs_rlcmac_mcs_is_edge(cs) && gprs_rlcmac_mcs_is_edge(o));
}
uint8_t gprs_rlcmac_mcs_size_ul(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].uplink.bytes + (gprs_rlcmac_mcs_spare_bits_ul(cs) ? 1 : 0);
}
uint8_t gprs_rlcmac_mcs_size_dl(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].downlink.bytes + (gprs_rlcmac_mcs_spare_bits_dl(cs) ? 1 : 0);
}
uint8_t gprs_rlcmac_mcs_used_size_ul(enum gprs_rlcmac_coding_scheme cs)
{
if (mcs_info[cs].data_hdr == GPRS_RLCMAC_HEADER_GPRS_DATA)
return mcs_info[cs].uplink.bytes;
else
return gprs_rlcmac_mcs_size_ul(cs);
}
uint8_t gprs_rlcmac_mcs_used_size_dl(enum gprs_rlcmac_coding_scheme cs)
{
if (mcs_info[cs].data_hdr == GPRS_RLCMAC_HEADER_GPRS_DATA)
return mcs_info[cs].downlink.bytes;
else
return gprs_rlcmac_mcs_size_dl(cs);
}
uint8_t gprs_rlcmac_mcs_max_bytes_ul(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].uplink.bytes;
}
uint8_t gprs_rlcmac_mcs_max_bytes_dl(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].downlink.bytes;
}
uint8_t gprs_rlcmac_mcs_spare_bits_ul(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].uplink.ext_bits;
}
uint8_t gprs_rlcmac_mcs_spare_bits_dl(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].downlink.ext_bits;
}
uint8_t gprs_rlcmac_mcs_max_data_block_bytes(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].data_bytes;
}
uint8_t gprs_rlcmac_mcs_opt_padding_bits(enum gprs_rlcmac_coding_scheme cs)
{
return mcs_info[cs].optional_padding_bits;
}
void gprs_rlcmac_mcs_inc_kind(enum gprs_rlcmac_coding_scheme *cs, enum gprs_rlcmac_coding_scheme_kind mode)
{
if (!gprs_rlcmac_mcs_is_compat_kind(*cs, mode))
/* This should not happen. TODO: Use assert? */
return;
enum gprs_rlcmac_coding_scheme new_cs = *cs + 1;
if (!gprs_rlcmac_mcs_is_compat_kind(new_cs, mode))
/* Clipping, do not change the value */
return;
*cs = new_cs;
}
void gprs_rlcmac_mcs_dec_kind(enum gprs_rlcmac_coding_scheme *cs, enum gprs_rlcmac_coding_scheme_kind mode)
{
if (!gprs_rlcmac_mcs_is_compat_kind(*cs, mode))
/* This should not happen. TODO: Use assert? */
return;
enum gprs_rlcmac_coding_scheme new_cs = *cs - 1;
if (!gprs_rlcmac_mcs_is_compat_kind(new_cs, mode))
/* Clipping, do not change the value */
return;
*cs = new_cs;
}
void gprs_rlcmac_mcs_inc(enum gprs_rlcmac_coding_scheme *cs)
{
if (gprs_rlcmac_mcs_is_gprs(*cs) && *cs == GPRS_RLCMAC_CS_4)
return;
if (gprs_rlcmac_mcs_is_edge(*cs) && *cs == GPRS_RLCMAC_MCS_9)
return;
if (!gprs_rlcmac_mcs_is_valid(*cs))
return;
*cs = *cs + 1;
}
void gprs_rlcmac_mcs_dec(enum gprs_rlcmac_coding_scheme *cs)
{
if (gprs_rlcmac_mcs_is_gprs(*cs) && *cs == GPRS_RLCMAC_CS_1)
return;
if (gprs_rlcmac_mcs_is_edge(*cs) && *cs == GPRS_RLCMAC_MCS_1)
return;
if (!gprs_rlcmac_mcs_is_valid(*cs))
return;
*cs = *cs - 1;
}
bool gprs_rlcmac_mcs_is_family_compat(enum gprs_rlcmac_coding_scheme cs, enum gprs_rlcmac_coding_scheme o)
{
if (cs == o)
return true;
if (mcs_info[cs].family == FAMILY_INVALID)
return false;
return mcs_info[cs].family == mcs_info[o].family;
}
void gprs_rlcmac_mcs_dec_to_single_block(enum gprs_rlcmac_coding_scheme *cs, bool *need_stuffing)
{
switch (*cs) {
case GPRS_RLCMAC_MCS_7:
*need_stuffing = false;
*cs = GPRS_RLCMAC_MCS_5;
break;
case GPRS_RLCMAC_MCS_8:
*need_stuffing = true;
*cs = GPRS_RLCMAC_MCS_6;
break;
case GPRS_RLCMAC_MCS_9:
*need_stuffing = false;
*cs = GPRS_RLCMAC_MCS_6;
break;
default:
*need_stuffing = false;
break;
}
}
static struct {
struct {
uint8_t data_header_bits;
} uplink, downlink;
uint8_t data_block_header_bits;
uint8_t num_blocks;
const char *name;
} hdr_type_info[GPRS_RLCMAC_NUM_HEADER_TYPES] = {
{ { 0 }, { 0 }, 0, 0, "INVALID" },
{ { 1 * 8 + 0 }, { 1 * 8 + 0 }, 0, 0, "CONTROL" },
{ { 3 * 8 + 0 }, { 3 * 8 + 0 }, 0, 1, "GPRS_DATA" },
{ { 5 * 8 + 6 }, { 5 * 8 + 0 }, 2, 2, "EGPRS_DATA_TYPE1" },
{ { 4 * 8 + 5 }, { 3 * 8 + 4 }, 2, 1, "EGPRS_DATA_TYPE2" },
{ { 3 * 8 + 7 }, { 3 * 8 + 7 }, 2, 1, "EGPRS_DATA_TYPE3" },
};
enum gprs_rlcmac_header_type gprs_rlcmac_mcs_header_type(enum gprs_rlcmac_coding_scheme mcs)
{
return mcs_info[mcs].data_hdr;
}
uint8_t gprs_rlcmac_num_data_blocks(enum gprs_rlcmac_header_type ht)
{
OSMO_ASSERT(ht < GPRS_RLCMAC_NUM_HEADER_TYPES);
return hdr_type_info[ht].num_blocks;
}
uint8_t gprs_rlcmac_num_data_header_bits_UL(enum gprs_rlcmac_header_type ht)
{
OSMO_ASSERT(ht < GPRS_RLCMAC_NUM_HEADER_TYPES);
return hdr_type_info[ht].uplink.data_header_bits;
}
uint8_t gprs_rlcmac_num_data_header_bits_DL(enum gprs_rlcmac_header_type ht)
{
OSMO_ASSERT(ht < GPRS_RLCMAC_NUM_HEADER_TYPES);
return hdr_type_info[ht].downlink.data_header_bits;
}
uint8_t gprs_rlcmac_num_data_block_header_bits(enum gprs_rlcmac_header_type ht)
{
OSMO_ASSERT(ht < GPRS_RLCMAC_NUM_HEADER_TYPES);
return hdr_type_info[ht].data_block_header_bits;
}
static const struct value_string gprs_rlcmac_mcs_kind_names[] = {
{ GPRS_RLCMAC_SCHEME_GPRS, "GPRS" },
{ GPRS_RLCMAC_SCHEME_EGPRS_GMSK, "EGPRS_GMSK-only"},
{ GPRS_RLCMAC_SCHEME_EGPRS, "EGPRS"},
{ 0, NULL }
};
const char *gprs_rlcmac_msc_kind_name(enum gprs_rlcmac_coding_scheme_kind val)
{
return get_value_string(gprs_rlcmac_mcs_kind_names, val);
}
/* FIXME: take into account padding and special cases of commanded MCS (MCS-6-9 and MCS-5-7) */
enum gprs_rlcmac_coding_scheme gprs_rlcmac_get_retx_mcs(enum gprs_rlcmac_coding_scheme initial_mcs, enum gprs_rlcmac_coding_scheme commanded_mcs, bool resegment_bit)
{
OSMO_ASSERT(gprs_rlcmac_mcs_is_edge(initial_mcs));
OSMO_ASSERT(gprs_rlcmac_mcs_is_edge(commanded_mcs));
OSMO_ASSERT(GPRS_RLCMAC_NUM_SCHEMES - GPRS_RLCMAC_MCS_1 == 9);
if (resegment_bit) { /* 3GPP TS 44.060 Table 8.1.1.1, reflected over antidiagonal */
enum gprs_rlcmac_coding_scheme egprs_reseg[GPRS_RLCMAC_NUM_SCHEMES - GPRS_RLCMAC_MCS_1][GPRS_RLCMAC_NUM_SCHEMES - GPRS_RLCMAC_MCS_1] = {
{ GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1 },
{ GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2 },
{ GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3 },
{ GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4 },
{ GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7 },
{ GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_9 },
{ GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7 },
{ GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_8, GPRS_RLCMAC_MCS_8 },
{ GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_9 },
};
return egprs_reseg[gprs_rlcmac_mcs_chan_code(initial_mcs)][gprs_rlcmac_mcs_chan_code(commanded_mcs)];
}
/* else: 3GPP TS 44.060 Table 8.1.1.2, reflected over antidiagonal */
enum gprs_rlcmac_coding_scheme egprs_no_reseg[GPRS_RLCMAC_NUM_SCHEMES - GPRS_RLCMAC_MCS_1][GPRS_RLCMAC_NUM_SCHEMES - GPRS_RLCMAC_MCS_1] = {
{ GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1, GPRS_RLCMAC_MCS_1 },
{ GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2, GPRS_RLCMAC_MCS_2 },
{ GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3, GPRS_RLCMAC_MCS_3 },
{ GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4, GPRS_RLCMAC_MCS_4 },
{ GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7 },
{ GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_9 },
{ GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_5, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7, GPRS_RLCMAC_MCS_7 },
{ GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_8, GPRS_RLCMAC_MCS_8 },
{ GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_6, GPRS_RLCMAC_MCS_9 },
};
return egprs_no_reseg[gprs_rlcmac_mcs_chan_code(initial_mcs)][gprs_rlcmac_mcs_chan_code(commanded_mcs)];
}
View Git Blame Copy Permalink