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path: root/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.c182
1 files changed, 60 insertions, 122 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index b97708cb869d..f4d02f9fe16d 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -4,11 +4,6 @@
* Copyright(c) 2005 - 2014, 2018 - 2021 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
- *
- * Contact Information:
- * Intel Linux Wireless <linuxwifi@intel.com>
- * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
- *
*****************************************************************************/
#include <linux/kernel.h>
#include <linux/skbuff.h>
@@ -335,15 +330,15 @@ static const struct rs_tx_column rs_tx_columns[] = {
static inline u8 rs_extract_rate(u32 rate_n_flags)
{
/* also works for HT because bits 7:6 are zero there */
- return (u8)(rate_n_flags & RATE_LEGACY_RATE_MSK);
+ return (u8)(rate_n_flags & RATE_LEGACY_RATE_MSK_V1);
}
static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
{
int idx = 0;
- if (rate_n_flags & RATE_MCS_HT_MSK) {
- idx = rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK;
+ if (rate_n_flags & RATE_MCS_HT_MSK_V1) {
+ idx = rate_n_flags & RATE_HT_MCS_RATE_CODE_MSK_V1;
idx += IWL_RATE_MCS_0_INDEX;
/* skip 9M not supported in HT*/
@@ -351,8 +346,8 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
idx += 1;
if ((idx >= IWL_FIRST_HT_RATE) && (idx <= IWL_LAST_HT_RATE))
return idx;
- } else if (rate_n_flags & RATE_MCS_VHT_MSK ||
- rate_n_flags & RATE_MCS_HE_MSK) {
+ } else if (rate_n_flags & RATE_MCS_VHT_MSK_V1 ||
+ rate_n_flags & RATE_MCS_HE_MSK_V1) {
idx = rate_n_flags & RATE_VHT_MCS_RATE_CODE_MSK;
idx += IWL_RATE_MCS_0_INDEX;
@@ -361,8 +356,8 @@ static int iwl_hwrate_to_plcp_idx(u32 rate_n_flags)
idx++;
if ((idx >= IWL_FIRST_VHT_RATE) && (idx <= IWL_LAST_VHT_RATE))
return idx;
- if ((rate_n_flags & RATE_MCS_HE_MSK) &&
- (idx <= IWL_LAST_HE_RATE))
+ if ((rate_n_flags & RATE_MCS_HE_MSK_V1) &&
+ idx <= IWL_LAST_HE_RATE)
return idx;
} else {
/* legacy rate format, search for match in table */
@@ -459,44 +454,8 @@ static const u16 expected_tpt_mimo2_160MHz[4][IWL_RATE_COUNT] = {
{0, 0, 0, 0, 971, 0, 1925, 2861, 3779, 5574, 7304, 8147, 8976, 10592, 11640},
};
-/* mbps, mcs */
-static const struct iwl_rate_mcs_info iwl_rate_mcs[IWL_RATE_COUNT] = {
- { "1", "BPSK DSSS"},
- { "2", "QPSK DSSS"},
- {"5.5", "BPSK CCK"},
- { "11", "QPSK CCK"},
- { "6", "BPSK 1/2"},
- { "9", "BPSK 1/2"},
- { "12", "QPSK 1/2"},
- { "18", "QPSK 3/4"},
- { "24", "16QAM 1/2"},
- { "36", "16QAM 3/4"},
- { "48", "64QAM 2/3"},
- { "54", "64QAM 3/4"},
- { "60", "64QAM 5/6"},
-};
-
#define MCS_INDEX_PER_STREAM (8)
-static const char *rs_pretty_ant(u8 ant)
-{
- static const char * const ant_name[] = {
- [ANT_NONE] = "None",
- [ANT_A] = "A",
- [ANT_B] = "B",
- [ANT_AB] = "AB",
- [ANT_C] = "C",
- [ANT_AC] = "AC",
- [ANT_BC] = "BC",
- [ANT_ABC] = "ABC",
- };
-
- if (ant > ANT_ABC)
- return "UNKNOWN";
-
- return ant_name[ant];
-}
-
static const char *rs_pretty_lq_type(enum iwl_table_type type)
{
static const char * const lq_types[] = {
@@ -558,7 +517,7 @@ static char *rs_pretty_rate(const struct rs_rate *rate)
rate_str = "BAD_RATE";
sprintf(buf, "(%s|%s|%s)", rs_pretty_lq_type(rate->type),
- rs_pretty_ant(rate->ant), rate_str);
+ iwl_rs_pretty_ant(rate->ant), rate_str);
return buf;
}
@@ -654,8 +613,7 @@ static void rs_tl_turn_on_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
static inline int get_num_of_ant_from_rate(u32 rate_n_flags)
{
return !!(rate_n_flags & RATE_MCS_ANT_A_MSK) +
- !!(rate_n_flags & RATE_MCS_ANT_B_MSK) +
- !!(rate_n_flags & RATE_MCS_ANT_C_MSK);
+ !!(rate_n_flags & RATE_MCS_ANT_B_MSK);
}
/*
@@ -820,12 +778,12 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
int index = rate->index;
ucode_rate |= ((rate->ant << RATE_MCS_ANT_POS) &
- RATE_MCS_ANT_ABC_MSK);
+ RATE_MCS_ANT_AB_MSK);
if (is_legacy(rate)) {
ucode_rate |= iwl_rates[index].plcp;
if (index >= IWL_FIRST_CCK_RATE && index <= IWL_LAST_CCK_RATE)
- ucode_rate |= RATE_MCS_CCK_MSK;
+ ucode_rate |= RATE_MCS_CCK_MSK_V1;
return ucode_rate;
}
@@ -840,7 +798,7 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
IWL_ERR(mvm, "Invalid HT rate index %d\n", index);
index = IWL_LAST_HT_RATE;
}
- ucode_rate |= RATE_MCS_HT_MSK;
+ ucode_rate |= RATE_MCS_HT_MSK_V1;
if (is_ht_siso(rate))
ucode_rate |= iwl_rates[index].plcp_ht_siso;
@@ -853,7 +811,7 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
IWL_ERR(mvm, "Invalid VHT rate index %d\n", index);
index = IWL_LAST_VHT_RATE;
}
- ucode_rate |= RATE_MCS_VHT_MSK;
+ ucode_rate |= RATE_MCS_VHT_MSK_V1;
if (is_vht_siso(rate))
ucode_rate |= iwl_rates[index].plcp_vht_siso;
else if (is_vht_mimo2(rate))
@@ -873,9 +831,9 @@ static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
ucode_rate |= rate->bw;
if (rate->sgi)
- ucode_rate |= RATE_MCS_SGI_MSK;
+ ucode_rate |= RATE_MCS_SGI_MSK_V1;
if (rate->ldpc)
- ucode_rate |= RATE_MCS_LDPC_MSK;
+ ucode_rate |= RATE_MCS_LDPC_MSK_V1;
return ucode_rate;
}
@@ -885,7 +843,7 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
enum nl80211_band band,
struct rs_rate *rate)
{
- u32 ant_msk = ucode_rate & RATE_MCS_ANT_ABC_MSK;
+ u32 ant_msk = ucode_rate & RATE_MCS_ANT_AB_MSK;
u8 num_of_ant = get_num_of_ant_from_rate(ucode_rate);
u8 nss;
@@ -898,9 +856,9 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
rate->ant = (ant_msk >> RATE_MCS_ANT_POS);
/* Legacy */
- if (!(ucode_rate & RATE_MCS_HT_MSK) &&
- !(ucode_rate & RATE_MCS_VHT_MSK) &&
- !(ucode_rate & RATE_MCS_HE_MSK)) {
+ if (!(ucode_rate & RATE_MCS_HT_MSK_V1) &&
+ !(ucode_rate & RATE_MCS_VHT_MSK_V1) &&
+ !(ucode_rate & RATE_MCS_HE_MSK_V1)) {
if (num_of_ant == 1) {
if (band == NL80211_BAND_5GHZ)
rate->type = LQ_LEGACY_A;
@@ -912,20 +870,20 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
}
/* HT, VHT or HE */
- if (ucode_rate & RATE_MCS_SGI_MSK)
+ if (ucode_rate & RATE_MCS_SGI_MSK_V1)
rate->sgi = true;
- if (ucode_rate & RATE_MCS_LDPC_MSK)
+ if (ucode_rate & RATE_MCS_LDPC_MSK_V1)
rate->ldpc = true;
if (ucode_rate & RATE_MCS_STBC_MSK)
rate->stbc = true;
if (ucode_rate & RATE_MCS_BF_MSK)
rate->bfer = true;
- rate->bw = ucode_rate & RATE_MCS_CHAN_WIDTH_MSK;
+ rate->bw = ucode_rate & RATE_MCS_CHAN_WIDTH_MSK_V1;
- if (ucode_rate & RATE_MCS_HT_MSK) {
- nss = ((ucode_rate & RATE_HT_MCS_NSS_MSK) >>
- RATE_HT_MCS_NSS_POS) + 1;
+ if (ucode_rate & RATE_MCS_HT_MSK_V1) {
+ nss = ((ucode_rate & RATE_HT_MCS_NSS_MSK_V1) >>
+ RATE_HT_MCS_NSS_POS_V1) + 1;
if (nss == 1) {
rate->type = LQ_HT_SISO;
@@ -938,7 +896,7 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
} else {
WARN_ON_ONCE(1);
}
- } else if (ucode_rate & RATE_MCS_VHT_MSK) {
+ } else if (ucode_rate & RATE_MCS_VHT_MSK_V1) {
nss = ((ucode_rate & RATE_VHT_MCS_NSS_MSK) >>
RATE_VHT_MCS_NSS_POS) + 1;
@@ -953,7 +911,7 @@ static int rs_rate_from_ucode_rate(const u32 ucode_rate,
} else {
WARN_ON_ONCE(1);
}
- } else if (ucode_rate & RATE_MCS_HE_MSK) {
+ } else if (ucode_rate & RATE_MCS_HE_MSK_V1) {
nss = ((ucode_rate & RATE_VHT_MCS_NSS_MSK) >>
RATE_VHT_MCS_NSS_POS) + 1;
@@ -981,9 +939,6 @@ static int rs_toggle_antenna(u32 valid_ant, struct rs_rate *rate)
{
u8 new_ant_type;
- if (!rate->ant || WARN_ON_ONCE(rate->ant & ANT_C))
- return 0;
-
if (!rs_is_valid_ant(valid_ant, rate->ant))
return 0;
@@ -2552,7 +2507,7 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm,
}
IWL_DEBUG_RATE(mvm, "Best ANT: %s Best RSSI: %d\n",
- rs_pretty_ant(best_ant), best_rssi);
+ iwl_rs_pretty_ant(best_ant), best_rssi);
if (best_ant != ANT_A && best_ant != ANT_B)
rate->ant = first_antenna(valid_tx_ant);
@@ -2652,7 +2607,6 @@ void rs_update_last_rssi(struct iwl_mvm *mvm,
lq_sta->pers.chains = rx_status->chains;
lq_sta->pers.chain_signal[0] = rx_status->chain_signal[0];
lq_sta->pers.chain_signal[1] = rx_status->chain_signal[1];
- lq_sta->pers.chain_signal[2] = rx_status->chain_signal[2];
lq_sta->pers.last_rssi = S8_MIN;
for (i = 0; i < ARRAY_SIZE(lq_sta->pers.chain_signal); i++) {
@@ -2738,8 +2692,8 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
return;
lq_sta = mvm_sta;
- iwl_mvm_hwrate_to_tx_rate(lq_sta->last_rate_n_flags,
- info->band, &info->control.rates[0]);
+ iwl_mvm_hwrate_to_tx_rate_v1(lq_sta->last_rate_n_flags,
+ info->band, &info->control.rates[0]);
info->control.rates[0].count = 1;
/* Report the optimal rate based on rssi and STA caps if we haven't
@@ -2749,8 +2703,8 @@ static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
optimal_rate = rs_get_optimal_rate(mvm, lq_sta);
last_ucode_rate = ucode_rate_from_rs_rate(mvm,
optimal_rate);
- iwl_mvm_hwrate_to_tx_rate(last_ucode_rate, info->band,
- &txrc->reported_rate);
+ iwl_mvm_hwrate_to_tx_rate_v1(last_ucode_rate, info->band,
+ &txrc->reported_rate);
}
}
@@ -2909,7 +2863,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
mvm->drv_rx_stats.success_frames++;
- switch (rate & RATE_MCS_CHAN_WIDTH_MSK) {
+ switch (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) {
case RATE_MCS_CHAN_WIDTH_20:
mvm->drv_rx_stats.bw_20_frames++;
break;
@@ -2926,10 +2880,10 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
WARN_ONCE(1, "bad BW. rate 0x%x", rate);
}
- if (rate & RATE_MCS_HT_MSK) {
+ if (rate & RATE_MCS_HT_MSK_V1) {
mvm->drv_rx_stats.ht_frames++;
- nss = ((rate & RATE_HT_MCS_NSS_MSK) >> RATE_HT_MCS_NSS_POS) + 1;
- } else if (rate & RATE_MCS_VHT_MSK) {
+ nss = ((rate & RATE_HT_MCS_NSS_MSK_V1) >> RATE_HT_MCS_NSS_POS_V1) + 1;
+ } else if (rate & RATE_MCS_VHT_MSK_V1) {
mvm->drv_rx_stats.vht_frames++;
nss = ((rate & RATE_VHT_MCS_NSS_MSK) >>
RATE_VHT_MCS_NSS_POS) + 1;
@@ -2942,7 +2896,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
else if (nss == 2)
mvm->drv_rx_stats.mimo2_frames++;
- if (rate & RATE_MCS_SGI_MSK)
+ if (rate & RATE_MCS_SGI_MSK_V1)
mvm->drv_rx_stats.sgi_frames++;
else
mvm->drv_rx_stats.ngi_frames++;
@@ -3323,7 +3277,7 @@ static void rs_build_rates_table_from_fixed(struct iwl_mvm *mvm,
int i;
int num_rates = ARRAY_SIZE(lq_cmd->rs_table);
__le32 ucode_rate_le32 = cpu_to_le32(ucode_rate);
- u8 ant = (ucode_rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS;
+ u8 ant = (ucode_rate & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;
for (i = 0; i < num_rates; i++)
lq_cmd->rs_table[i] = ucode_rate_le32;
@@ -3688,35 +3642,37 @@ static void rs_free_sta(void *mvm_r, struct ieee80211_sta *sta, void *mvm_sta)
IWL_DEBUG_RATE(mvm, "leave\n");
}
-int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate)
+int rs_pretty_print_rate_v1(char *buf, int bufsz, const u32 rate)
{
- char *type, *bw;
+ char *type;
u8 mcs = 0, nss = 0;
- u8 ant = (rate & RATE_MCS_ANT_ABC_MSK) >> RATE_MCS_ANT_POS;
+ u8 ant = (rate & RATE_MCS_ANT_AB_MSK) >> RATE_MCS_ANT_POS;
+ u32 bw = (rate & RATE_MCS_CHAN_WIDTH_MSK_V1) >>
+ RATE_MCS_CHAN_WIDTH_POS;
- if (!(rate & RATE_MCS_HT_MSK) &&
- !(rate & RATE_MCS_VHT_MSK) &&
- !(rate & RATE_MCS_HE_MSK)) {
+ if (!(rate & RATE_MCS_HT_MSK_V1) &&
+ !(rate & RATE_MCS_VHT_MSK_V1) &&
+ !(rate & RATE_MCS_HE_MSK_V1)) {
int index = iwl_hwrate_to_plcp_idx(rate);
return scnprintf(buf, bufsz, "Legacy | ANT: %s Rate: %s Mbps",
- rs_pretty_ant(ant),
+ iwl_rs_pretty_ant(ant),
index == IWL_RATE_INVALID ? "BAD" :
- iwl_rate_mcs[index].mbps);
+ iwl_rate_mcs(index)->mbps);
}
- if (rate & RATE_MCS_VHT_MSK) {
+ if (rate & RATE_MCS_VHT_MSK_V1) {
type = "VHT";
mcs = rate & RATE_VHT_MCS_RATE_CODE_MSK;
nss = ((rate & RATE_VHT_MCS_NSS_MSK)
>> RATE_VHT_MCS_NSS_POS) + 1;
- } else if (rate & RATE_MCS_HT_MSK) {
+ } else if (rate & RATE_MCS_HT_MSK_V1) {
type = "HT";
- mcs = rate & RATE_HT_MCS_INDEX_MSK;
- nss = ((rate & RATE_HT_MCS_NSS_MSK)
- >> RATE_HT_MCS_NSS_POS) + 1;
- } else if (rate & RATE_MCS_HE_MSK) {
+ mcs = rate & RATE_HT_MCS_INDEX_MSK_V1;
+ nss = ((rate & RATE_HT_MCS_NSS_MSK_V1)
+ >> RATE_HT_MCS_NSS_POS_V1) + 1;
+ } else if (rate & RATE_MCS_HE_MSK_V1) {
type = "HE";
mcs = rate & RATE_VHT_MCS_RATE_CODE_MSK;
nss = ((rate & RATE_VHT_MCS_NSS_MSK)
@@ -3725,29 +3681,12 @@ int rs_pretty_print_rate(char *buf, int bufsz, const u32 rate)
type = "Unknown"; /* shouldn't happen */
}
- switch (rate & RATE_MCS_CHAN_WIDTH_MSK) {
- case RATE_MCS_CHAN_WIDTH_20:
- bw = "20Mhz";
- break;
- case RATE_MCS_CHAN_WIDTH_40:
- bw = "40Mhz";
- break;
- case RATE_MCS_CHAN_WIDTH_80:
- bw = "80Mhz";
- break;
- case RATE_MCS_CHAN_WIDTH_160:
- bw = "160Mhz";
- break;
- default:
- bw = "BAD BW";
- }
-
return scnprintf(buf, bufsz,
"0x%x: %s | ANT: %s BW: %s MCS: %d NSS: %d %s%s%s%s%s",
- rate, type, rs_pretty_ant(ant), bw, mcs, nss,
- (rate & RATE_MCS_SGI_MSK) ? "SGI " : "NGI ",
+ rate, type, iwl_rs_pretty_ant(ant), iwl_rs_pretty_bw(bw), mcs, nss,
+ (rate & RATE_MCS_SGI_MSK_V1) ? "SGI " : "NGI ",
(rate & RATE_MCS_STBC_MSK) ? "STBC " : "",
- (rate & RATE_MCS_LDPC_MSK) ? "LDPC " : "",
+ (rate & RATE_MCS_LDPC_MSK_V1) ? "LDPC " : "",
(rate & RATE_HE_DUAL_CARRIER_MODE_MSK) ? "DCM " : "",
(rate & RATE_MCS_BF_MSK) ? "BF " : "");
}
@@ -3830,10 +3769,9 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
lq_sta->active_legacy_rate);
desc += scnprintf(buff + desc, bufsz - desc, "fixed rate 0x%X\n",
lq_sta->pers.dbg_fixed_rate);
- desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s%s\n",
+ desc += scnprintf(buff + desc, bufsz - desc, "valid_tx_ant %s%s\n",
(iwl_mvm_get_valid_tx_ant(mvm) & ANT_A) ? "ANT_A," : "",
- (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "",
- (iwl_mvm_get_valid_tx_ant(mvm) & ANT_C) ? "ANT_C" : "");
+ (iwl_mvm_get_valid_tx_ant(mvm) & ANT_B) ? "ANT_B," : "");
desc += scnprintf(buff + desc, bufsz - desc, "lq type %s\n",
(is_legacy(rate)) ? "legacy" :
is_vht(rate) ? "VHT" : "HT");
@@ -3891,7 +3829,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
desc += scnprintf(buff + desc, bufsz - desc,
" rate[%d] 0x%X ", i, r);
- desc += rs_pretty_print_rate(buff + desc, bufsz - desc, r);
+ desc += rs_pretty_print_rate_v1(buff + desc, bufsz - desc, r);
if (desc < bufsz - 1)
buff[desc++] = '\n';
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-03 01:23:23 +0000