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qcacmn: Add APIs to return all supported rates for a specific mode

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Add APIs in order to support TR-069 commands to return all the
supported rates for a specific mode based on gi setting, no. of
spatial streams and channel bandwidth.

Change-Id: If6999e59b8c83d0b5a15054bfdaa97465f8992e4
CRs-Fixed: 3066766
This commit is contained in:
Harsh Kumar Bijlani
2021-10-27 00:41:06 +05:30
committed by Madan Koyyalamudi
parent 8d1f8d1b4a
commit 0807791b80
2 changed files with 336 additions and 0 deletions
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307
dp/cmn_dp_api/dp_ratetable.c
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@@ -3524,3 +3524,310 @@ int dp_rate_idx_to_kbps(uint8_t rate_idx, uint8_t gintval)
}
qdf_export_symbol(dp_rate_idx_to_kbps);
/* dp_get_start_index - get start index as per bw, mode and nss
* @ch_width - channel bandwidth
* @mode - operating mode
* @nss - no. of spatial streams
*
* return - start index
*/
static int dp_get_start_index(int ch_width, int mode, int nss)
{
if (mode == HW_RATECODE_PREAM_HT) {
if (nss >= NUM_HT_SPATIAL_STREAM)
nss = NUM_HT_SPATIAL_STREAM;
if (ch_width == CMN_BW_20MHZ)
return HT_20_RATE_TABLE_INDEX + (nss - 1) * NUM_HT_MCS;
else if (ch_width == CMN_BW_40MHZ)
return HT_40_RATE_TABLE_INDEX + (nss - 1) * NUM_HT_MCS;
} else if (mode == HW_RATECODE_PREAM_VHT) {
if (nss >= NUM_SPATIAL_STREAMS)
nss = NUM_SPATIAL_STREAMS;
if (ch_width == CMN_BW_20MHZ) {
return VHT_20_RATE_TABLE_INDEX + (nss - 1) * NUM_VHT_MCS;
} else if (ch_width == CMN_BW_40MHZ) {
return VHT_40_RATE_TABLE_INDEX + (nss - 1) * NUM_VHT_MCS;
} else if (ch_width == CMN_BW_80MHZ) {
return VHT_80_RATE_TABLE_INDEX + (nss - 1) * NUM_VHT_MCS;
} else if ((ch_width == CMN_BW_160MHZ) ||
(ch_width == CMN_BW_80_80MHZ)) {
if (nss >= MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ)
nss = MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ;
return VHT_160_RATE_TABLE_INDEX + (nss - 1) * NUM_VHT_MCS;
}
} else if (mode == HW_RATECODE_PREAM_HE) {
if (nss >= NUM_SPATIAL_STREAMS)
nss = NUM_SPATIAL_STREAMS;
if (ch_width == CMN_BW_20MHZ) {
return HE_20_RATE_TABLE_INDEX + (nss - 1) * NUM_HE_MCS;
} else if (ch_width == CMN_BW_40MHZ) {
return HE_40_RATE_TABLE_INDEX + (nss - 1) * NUM_HE_MCS;
} else if (ch_width == CMN_BW_80MHZ) {
return HE_80_RATE_TABLE_INDEX + (nss - 1) * NUM_HE_MCS;
} else if ((ch_width == CMN_BW_160MHZ) ||
(ch_width == CMN_BW_80_80MHZ)) {
if (nss >= MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ)
nss = MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ;
return HE_160_RATE_TABLE_INDEX + (nss - 1) * NUM_HE_MCS;
}
}
return -1;
}
/* dp_get_end_index - get end index as per bw, mode and nss
* @ch_width - channel bandwidth
* @mode - operating mode
* @nss - no. of spatial streams
*
* return - end index
*/
static int dp_get_end_index(int ch_width, int mode, int nss)
{
if (mode == HW_RATECODE_PREAM_HT) {
if (nss >= NUM_HT_SPATIAL_STREAM)
nss = NUM_HT_SPATIAL_STREAM;
if (ch_width == CMN_BW_20MHZ)
return HT_20_RATE_TABLE_INDEX + nss * NUM_HT_MCS - 1;
else if (ch_width == CMN_BW_40MHZ)
return HT_40_RATE_TABLE_INDEX + nss * NUM_HT_MCS - 1;
} else if (mode == HW_RATECODE_PREAM_VHT) {
if (nss >= NUM_SPATIAL_STREAMS)
nss = NUM_SPATIAL_STREAMS;
if (ch_width == CMN_BW_20MHZ) {
return VHT_20_RATE_TABLE_INDEX + nss * NUM_VHT_MCS - 1;
} else if (ch_width == CMN_BW_40MHZ) {
return VHT_40_RATE_TABLE_INDEX + nss * NUM_VHT_MCS - 1;
} else if (ch_width == CMN_BW_80MHZ) {
return VHT_80_RATE_TABLE_INDEX + nss * NUM_VHT_MCS - 1;
} else if ((ch_width == CMN_BW_160MHZ) ||
(ch_width == CMN_BW_80_80MHZ)) {
if (nss >= MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ)
nss = MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ;
return VHT_160_RATE_TABLE_INDEX + nss * NUM_VHT_MCS - 1;
}
} else if (mode == HW_RATECODE_PREAM_HE) {
if (nss >= NUM_SPATIAL_STREAMS)
nss = NUM_SPATIAL_STREAMS;
if (ch_width == CMN_BW_20MHZ) {
return HE_20_RATE_TABLE_INDEX + nss * NUM_HE_MCS - 1;
} else if (ch_width == CMN_BW_40MHZ) {
return HE_40_RATE_TABLE_INDEX + nss * NUM_HE_MCS - 1;
} else if (ch_width == CMN_BW_80MHZ) {
return HE_80_RATE_TABLE_INDEX + nss * NUM_HE_MCS - 1;
} else if ((ch_width == CMN_BW_160MHZ) ||
(ch_width == CMN_BW_80_80MHZ)) {
if (nss >= MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ)
nss = MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ;
return HE_160_RATE_TABLE_INDEX + nss * NUM_HE_MCS - 1;
}
}
return -1;
}
/* __dp_get_supported_rates - get supported rates as per start and end index
* @shortgi - gi setting
* @start_index - starting index
* @end_index - ending index
* @rates - array to copy the rates into
*
* return - no. of rate entries copied
*/
static int __dp_get_supported_rates(int shortgi, int start_index,
int end_index, int **rates)
{
int i, j = 1;
int *ratelist = *rates;
/* Check if the index calculation is out of array bounds */
if (start_index < 0 || start_index >= DP_RATE_TABLE_SIZE ||
end_index < 0 || end_index >= DP_RATE_TABLE_SIZE)
return 0;
if (!shortgi) {
for (i = start_index; i <= end_index; i++) {
if (dp_11abgnratetable.info[i].validmodemask) {
ratelist[j] = dp_11abgnratetable.info[i].
ratekbps;
j++;
}
}
} else {
switch (shortgi) {
case CDP_SGI_0_4_US:
for (i = start_index; i <= end_index; i++) {
if (dp_11abgnratetable.info[i].validmodemask) {
ratelist[j] = dp_11abgnratetable.
info[i].ratekbpssgi;
j++;
}
}
break;
case CDP_SGI_1_6_US:
for (i = start_index; i <= end_index; i++) {
if (dp_11abgnratetable.info[i].validmodemask) {
ratelist[j] = dp_11abgnratetable.
info[i].ratekbpsdgi;
j++;
}
}
break;
case CDP_SGI_3_2_US:
for (i = start_index; i <= end_index; i++) {
if (dp_11abgnratetable.info[i].validmodemask) {
ratelist[j] = dp_11abgnratetable.
info[i].ratekbpsqgi;
j++;
}
}
break;
}
}
ratelist[0] = j;
return j;
}
#if ALL_POSSIBLE_RATES_SUPPORTED
/* dp_get_supported_rates -get all supported rates as per mode and gi setting
* @mode - operating mode
* @shortgi - gi setting
* @rates - array to copy the rate entries into
*
* return - no. of rate entries copied
*/
int dp_get_supported_rates(int mode, int shortgi, int **rates)
{
int start_index = -1, end_index = -1;
switch (mode) {
/* 11b CCK Rates */
case CMN_IEEE80211_MODE_B:
start_index = CCK_RATE_TABLE_INDEX;
end_index = CCK_RATE_TABLE_END_INDEX;
break;
/* 11a OFDM Rates */
case CMN_IEEE80211_MODE_A:
start_index = OFDM_RATE_TABLE_INDEX;
end_index = OFDMA_RATE_TABLE_END_INDEX;
break;
/* 11g CCK/OFDM Rates */
case CMN_IEEE80211_MODE_G:
start_index = CCK_RATE_TABLE_INDEX;
end_index = OFDMA_RATE_TABLE_END_INDEX;
break;
/* HT rates only */
case CMN_IEEE80211_MODE_NA:
case CMN_IEEE80211_MODE_NG:
start_index = dp_get_start_index(CMN_BW_20MHZ,
HW_RATECODE_PREAM_HT, 1);
end_index = dp_get_end_index(CMN_BW_40MHZ,
HW_RATECODE_PREAM_HT,
NUM_HT_SPATIAL_STREAM);
break;
/* VHT rates only */
case CMN_IEEE80211_MODE_AC:
start_index = dp_get_start_index(CMN_BW_20MHZ,
HW_RATECODE_PREAM_VHT, 1);
end_index = dp_get_end_index(CMN_BW_160MHZ,
HW_RATECODE_PREAM_VHT,
MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ);
break;
/* HE rates only */
case CMN_IEEE80211_MODE_AXA:
case CMN_IEEE80211_MODE_AXG:
start_index = dp_get_start_index(CMN_BW_20MHZ,
HW_RATECODE_PREAM_HE, 1);
end_index = dp_get_end_index(CMN_BW_160MHZ,
HW_RATECODE_PREAM_HE,
MAX_SPATIAL_STREAMS_SUPPORTED_AT_160MHZ);
break;
}
return __dp_get_supported_rates(shortgi, start_index, end_index, rates);
}
#else
/* dp_get_supported_rates - get all supported rates as per mode, bw, gi and nss
* @mode - operating mode
* @shortgi - gi setting
* @nss - no. of spatial streams
* @ch_width - channel bandwidth
* @rates - array to copy the rates into
*
* return - no. of rate entries copied
*/
int dp_get_supported_rates(int mode, int shortgi, int nss,
int ch_width, int **rates)
{
int start_index = -1, end_index = -1;
switch (mode) {
/* 11b CCK Rates */
case CMN_IEEE80211_MODE_B:
start_index = CCK_RATE_TABLE_INDEX;
end_index = CCK_RATE_TABLE_END_INDEX;
break;
/* 11a OFDM Rates */
case CMN_IEEE80211_MODE_A:
start_index = OFDM_RATE_TABLE_INDEX;
end_index = OFDMA_RATE_TABLE_END_INDEX;
break;
/* 11g CCK/OFDM Rates */
case CMN_IEEE80211_MODE_G:
start_index = CCK_RATE_TABLE_INDEX;
end_index = OFDMA_RATE_TABLE_END_INDEX;
break;
/* HT rates only */
case CMN_IEEE80211_MODE_NA:
case CMN_IEEE80211_MODE_NG:
start_index = dp_get_start_index(ch_width,
HW_RATECODE_PREAM_HT, nss);
end_index = dp_get_end_index(ch_width,
HW_RATECODE_PREAM_HT, nss);
break;
/* VHT rates only */
case CMN_IEEE80211_MODE_AC:
start_index = dp_get_start_index(ch_width,
HW_RATECODE_PREAM_VHT, nss);
end_index = dp_get_end_index(ch_width,
HW_RATECODE_PREAM_VHT, nss);
break;
/* HE rates only */
case CMN_IEEE80211_MODE_AXA:
case CMN_IEEE80211_MODE_AXG:
start_index = dp_get_start_index(ch_width,
HW_RATECODE_PREAM_HE, nss);
end_index = dp_get_end_index(ch_width,
HW_RATECODE_PREAM_HE, nss);
break;
}
return __dp_get_supported_rates(shortgi, start_index, end_index, rates);
}
#endif
qdf_export_symbol(dp_get_supported_rates);