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@ -59,7 +59,7 @@
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/* max allowed rate miss before sync LQ cmd */
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#define IWL_MISSED_RATE_MAX 15
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#define RS_STAY_IN_COLUMN_TIMEOUT (5*HZ)
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#define RS_IDLE_TIMEOUT (5*HZ)
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static u8 rs_ht_to_legacy[] = {
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[IWL_RATE_MCS_0_INDEX] = IWL_RATE_6M_INDEX,
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@ -142,7 +142,7 @@ enum rs_column_mode {
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RS_MIMO2,
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};
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#define MAX_NEXT_COLUMNS 5
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#define MAX_NEXT_COLUMNS 7
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#define MAX_COLUMN_CHECKS 3
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typedef bool (*allow_column_func_t) (struct iwl_mvm *mvm,
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@ -212,8 +212,10 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_LEGACY_ANT_B,
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RS_COLUMN_SISO_ANT_A,
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RS_COLUMN_SISO_ANT_B,
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RS_COLUMN_MIMO2,
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RS_COLUMN_MIMO2_SGI,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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},
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},
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[RS_COLUMN_LEGACY_ANT_B] = {
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@ -223,8 +225,10 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_SISO_ANT_A,
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RS_COLUMN_SISO_ANT_B,
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RS_COLUMN_MIMO2,
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RS_COLUMN_MIMO2_SGI,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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RS_COLUMN_INVALID,
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},
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},
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[RS_COLUMN_SISO_ANT_A] = {
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@ -235,7 +239,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_MIMO2,
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RS_COLUMN_SISO_ANT_A_SGI,
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RS_COLUMN_SISO_ANT_B_SGI,
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RS_COLUMN_MIMO2_SGI,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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RS_COLUMN_INVALID,
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},
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.checks = {
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rs_siso_allow,
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@ -249,7 +255,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_MIMO2,
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RS_COLUMN_SISO_ANT_B_SGI,
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RS_COLUMN_SISO_ANT_A_SGI,
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RS_COLUMN_MIMO2_SGI,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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RS_COLUMN_INVALID,
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},
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.checks = {
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rs_siso_allow,
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@ -265,6 +273,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_SISO_ANT_A,
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RS_COLUMN_SISO_ANT_B,
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RS_COLUMN_MIMO2,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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},
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.checks = {
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rs_siso_allow,
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@ -281,6 +291,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_SISO_ANT_B,
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RS_COLUMN_SISO_ANT_A,
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RS_COLUMN_MIMO2,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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},
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.checks = {
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rs_siso_allow,
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@ -296,6 +308,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_SISO_ANT_A_SGI,
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RS_COLUMN_SISO_ANT_B_SGI,
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RS_COLUMN_MIMO2_SGI,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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},
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.checks = {
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rs_mimo_allow,
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@ -311,6 +325,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
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RS_COLUMN_SISO_ANT_A,
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RS_COLUMN_SISO_ANT_B,
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RS_COLUMN_MIMO2,
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RS_COLUMN_LEGACY_ANT_A,
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RS_COLUMN_LEGACY_ANT_B,
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},
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.checks = {
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rs_mimo_allow,
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@ -503,10 +519,12 @@ static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window)
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window->average_tpt = IWL_INVALID_VALUE;
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}
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static void rs_rate_scale_clear_tbl_windows(struct iwl_scale_tbl_info *tbl)
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static void rs_rate_scale_clear_tbl_windows(struct iwl_mvm *mvm,
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struct iwl_scale_tbl_info *tbl)
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{
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int i;
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IWL_DEBUG_RATE(mvm, "Clearing up window stats\n");
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for (i = 0; i < IWL_RATE_COUNT; i++)
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rs_rate_scale_clear_window(&tbl->win[i]);
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}
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@ -992,6 +1010,13 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband,
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return;
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}
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#ifdef CPTCFG_MAC80211_DEBUGFS
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/* Disable last tx check if we are debugging with fixed rate */
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if (lq_sta->dbg_fixed_rate) {
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IWL_DEBUG_RATE(mvm, "Fixed rate. avoid rate scaling\n");
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return;
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}
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#endif
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if (!ieee80211_is_data(hdr->frame_control) ||
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info->flags & IEEE80211_TX_CTL_NO_ACK)
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return;
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@ -1034,6 +1059,18 @@ static void rs_tx_status(void *mvm_r, struct ieee80211_supported_band *sband,
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mac_index++;
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}
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if (time_after(jiffies,
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(unsigned long)(lq_sta->last_tx + RS_IDLE_TIMEOUT))) {
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int tid;
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IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n");
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for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
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ieee80211_stop_tx_ba_session(sta, tid);
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iwl_mvm_rs_rate_init(mvm, sta, sband->band, false);
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return;
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}
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lq_sta->last_tx = jiffies;
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/* Here we actually compare this rate to the latest LQ command */
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if ((mac_index < 0) ||
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(rate.sgi != !!(mac_flags & IEEE80211_TX_RC_SHORT_GI)) ||
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@ -1186,9 +1223,26 @@ static void rs_set_stay_in_table(struct iwl_mvm *mvm, u8 is_legacy,
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lq_sta->visited_columns = 0;
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}
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static int rs_get_max_allowed_rate(struct iwl_lq_sta *lq_sta,
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const struct rs_tx_column *column)
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{
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switch (column->mode) {
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case RS_LEGACY:
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return lq_sta->max_legacy_rate_idx;
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case RS_SISO:
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return lq_sta->max_siso_rate_idx;
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case RS_MIMO2:
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return lq_sta->max_mimo2_rate_idx;
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default:
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WARN_ON_ONCE(1);
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}
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return lq_sta->max_legacy_rate_idx;
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}
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static const u16 *rs_get_expected_tpt_table(struct iwl_lq_sta *lq_sta,
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const struct rs_tx_column *column,
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u32 bw)
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const struct rs_tx_column *column,
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u32 bw)
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{
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/* Used to choose among HT tables */
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const u16 (*ht_tbl_pointer)[IWL_RATE_COUNT];
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@ -1438,7 +1492,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
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IWL_DEBUG_RATE(mvm,
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"LQ: stay in table clear win\n");
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rs_rate_scale_clear_tbl_windows(tbl);
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rs_rate_scale_clear_tbl_windows(mvm, tbl);
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}
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}
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@ -1446,8 +1500,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
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* bitmaps and stats in active table (this will become the new
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* "search" table). */
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if (lq_sta->rs_state == RS_STATE_SEARCH_CYCLE_STARTED) {
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IWL_DEBUG_RATE(mvm, "Clearing up window stats\n");
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rs_rate_scale_clear_tbl_windows(tbl);
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rs_rate_scale_clear_tbl_windows(mvm, tbl);
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}
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}
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}
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@ -1485,14 +1538,14 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
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struct ieee80211_sta *sta,
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struct iwl_scale_tbl_info *tbl)
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{
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int i, j, n;
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int i, j, max_rate;
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enum rs_column next_col_id;
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const struct rs_tx_column *curr_col = &rs_tx_columns[tbl->column];
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const struct rs_tx_column *next_col;
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allow_column_func_t allow_func;
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u8 valid_ants = mvm->fw->valid_tx_ant;
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const u16 *expected_tpt_tbl;
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s32 tpt, max_expected_tpt;
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u16 tpt, max_expected_tpt;
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for (i = 0; i < MAX_NEXT_COLUMNS; i++) {
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next_col_id = curr_col->next_columns[i];
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@ -1535,11 +1588,11 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
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if (WARN_ON_ONCE(!expected_tpt_tbl))
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continue;
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max_expected_tpt = 0;
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for (n = 0; n < IWL_RATE_COUNT; n++)
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if (expected_tpt_tbl[n] > max_expected_tpt)
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max_expected_tpt = expected_tpt_tbl[n];
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max_rate = rs_get_max_allowed_rate(lq_sta, next_col);
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if (WARN_ON_ONCE(max_rate == IWL_RATE_INVALID))
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continue;
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max_expected_tpt = expected_tpt_tbl[max_rate];
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if (tpt >= max_expected_tpt) {
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IWL_DEBUG_RATE(mvm,
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"Skip column %d: can't beat current TPT. Max expected %d current %d\n",
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@ -1547,14 +1600,15 @@ static enum rs_column rs_get_next_column(struct iwl_mvm *mvm,
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continue;
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}
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IWL_DEBUG_RATE(mvm,
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"Found potential column %d. Max expected %d current %d\n",
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next_col_id, max_expected_tpt, tpt);
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break;
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}
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if (i == MAX_NEXT_COLUMNS)
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return RS_COLUMN_INVALID;
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IWL_DEBUG_RATE(mvm, "Found potential column %d\n", next_col_id);
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return next_col_id;
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}
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@ -1640,87 +1694,78 @@ static enum rs_action rs_get_rate_action(struct iwl_mvm *mvm,
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{
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enum rs_action action = RS_ACTION_STAY;
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/* Too many failures, decrease rate */
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if ((sr <= RS_SR_FORCE_DECREASE) || (current_tpt == 0)) {
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IWL_DEBUG_RATE(mvm,
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"decrease rate because of low SR\n");
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"Decrease rate because of low SR\n");
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return RS_ACTION_DOWNSCALE;
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}
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if ((low_tpt == IWL_INVALID_VALUE) &&
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(high_tpt == IWL_INVALID_VALUE) &&
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(high != IWL_RATE_INVALID)) {
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IWL_DEBUG_RATE(mvm,
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"No data about high/low rates. Increase rate\n");
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return RS_ACTION_UPSCALE;
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}
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if ((high_tpt == IWL_INVALID_VALUE) &&
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(high != IWL_RATE_INVALID) &&
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(low_tpt != IWL_INVALID_VALUE) &&
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(low_tpt < current_tpt)) {
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IWL_DEBUG_RATE(mvm,
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"No data about high rate and low rate is worse. Increase rate\n");
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return RS_ACTION_UPSCALE;
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}
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if ((high_tpt != IWL_INVALID_VALUE) &&
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(high_tpt > current_tpt)) {
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IWL_DEBUG_RATE(mvm,
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"Higher rate is better. Increate rate\n");
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return RS_ACTION_UPSCALE;
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}
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if ((low_tpt != IWL_INVALID_VALUE) &&
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(high_tpt != IWL_INVALID_VALUE) &&
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(low_tpt < current_tpt) &&
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(high_tpt < current_tpt)) {
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IWL_DEBUG_RATE(mvm,
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"Both high and low are worse. Maintain rate\n");
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return RS_ACTION_STAY;
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}
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if ((low_tpt != IWL_INVALID_VALUE) &&
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(low_tpt > current_tpt)) {
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IWL_DEBUG_RATE(mvm,
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"Lower rate is better\n");
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|
|
action = RS_ACTION_DOWNSCALE;
|
|
|
|
|
/* No throughput measured yet for adjacent rates; try increase. */
|
|
|
|
|
} else if ((low_tpt == IWL_INVALID_VALUE) &&
|
|
|
|
|
(high_tpt == IWL_INVALID_VALUE)) {
|
|
|
|
|
if (high != IWL_RATE_INVALID && sr >= IWL_RATE_INCREASE_TH) {
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if ((low_tpt == IWL_INVALID_VALUE) &&
|
|
|
|
|
(low != IWL_RATE_INVALID)) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"No data about lower rate\n");
|
|
|
|
|
action = RS_ACTION_DOWNSCALE;
|
|
|
|
|
goto out;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
IWL_DEBUG_RATE(mvm, "Maintain rate\n");
|
|
|
|
|
|
|
|
|
|
out:
|
|
|
|
|
if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID)) {
|
|
|
|
|
if (sr >= RS_SR_NO_DECREASE) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Good SR and no high rate measurement. "
|
|
|
|
|
"Increase rate\n");
|
|
|
|
|
action = RS_ACTION_UPSCALE;
|
|
|
|
|
} else if (low != IWL_RATE_INVALID) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Remain in current rate\n");
|
|
|
|
|
"SR is above NO DECREASE. Avoid downscale\n");
|
|
|
|
|
action = RS_ACTION_STAY;
|
|
|
|
|
} else if (current_tpt > (100 * tbl->expected_tpt[low])) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Current TPT is higher than max expected in low rate. Avoid downscale\n");
|
|
|
|
|
action = RS_ACTION_STAY;
|
|
|
|
|
} else {
|
|
|
|
|
IWL_DEBUG_RATE(mvm, "Decrease rate\n");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Both adjacent throughputs are measured, but neither one has better
|
|
|
|
|
* throughput; we're using the best rate, don't change it!
|
|
|
|
|
*/
|
|
|
|
|
else if ((low_tpt != IWL_INVALID_VALUE) &&
|
|
|
|
|
(high_tpt != IWL_INVALID_VALUE) &&
|
|
|
|
|
(low_tpt < current_tpt) &&
|
|
|
|
|
(high_tpt < current_tpt)) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Both high and low are worse. "
|
|
|
|
|
"Maintain rate\n");
|
|
|
|
|
action = RS_ACTION_STAY;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* At least one adjacent rate's throughput is measured,
|
|
|
|
|
* and may have better performance.
|
|
|
|
|
*/
|
|
|
|
|
else {
|
|
|
|
|
/* Higher adjacent rate's throughput is measured */
|
|
|
|
|
if (high_tpt != IWL_INVALID_VALUE) {
|
|
|
|
|
/* Higher rate has better throughput */
|
|
|
|
|
if (high_tpt > current_tpt &&
|
|
|
|
|
sr >= IWL_RATE_INCREASE_TH) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Higher rate is better and good "
|
|
|
|
|
"SR. Increate rate\n");
|
|
|
|
|
action = RS_ACTION_UPSCALE;
|
|
|
|
|
} else {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Higher rate isn't better OR "
|
|
|
|
|
"no good SR. Maintain rate\n");
|
|
|
|
|
action = RS_ACTION_STAY;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Lower adjacent rate's throughput is measured */
|
|
|
|
|
} else if (low_tpt != IWL_INVALID_VALUE) {
|
|
|
|
|
/* Lower rate has better throughput */
|
|
|
|
|
if (low_tpt > current_tpt) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Lower rate is better. "
|
|
|
|
|
"Decrease rate\n");
|
|
|
|
|
action = RS_ACTION_DOWNSCALE;
|
|
|
|
|
} else if (sr >= IWL_RATE_INCREASE_TH) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Lower rate isn't better and "
|
|
|
|
|
"good SR. Increase rate\n");
|
|
|
|
|
action = RS_ACTION_UPSCALE;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Sanity check; asked for decrease, but success rate or throughput
|
|
|
|
|
* has been good at old rate. Don't change it.
|
|
|
|
|
*/
|
|
|
|
|
if ((action == RS_ACTION_DOWNSCALE) && (low != IWL_RATE_INVALID) &&
|
|
|
|
|
((sr > IWL_RATE_HIGH_TH) ||
|
|
|
|
|
(current_tpt > (100 * tbl->expected_tpt[low])))) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Sanity check failed. Maintain rate\n");
|
|
|
|
|
action = RS_ACTION_STAY;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return action;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
@ -1792,6 +1837,7 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
|
|
|
|
|
"Aggregation changed: prev %d current %d. Update expected TPT table\n",
|
|
|
|
|
prev_agg, lq_sta->is_agg);
|
|
|
|
|
rs_set_expected_tpt_table(lq_sta, tbl);
|
|
|
|
|
rs_rate_scale_clear_tbl_windows(mvm, tbl);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* current tx rate */
|
|
|
|
@ -2021,7 +2067,7 @@ lq_update:
|
|
|
|
|
if (lq_sta->search_better_tbl) {
|
|
|
|
|
/* Access the "search" table, clear its history. */
|
|
|
|
|
tbl = &(lq_sta->lq_info[(1 - lq_sta->active_tbl)]);
|
|
|
|
|
rs_rate_scale_clear_tbl_windows(tbl);
|
|
|
|
|
rs_rate_scale_clear_tbl_windows(mvm, tbl);
|
|
|
|
|
|
|
|
|
|
/* Use new "search" start rate */
|
|
|
|
|
index = tbl->rate.index;
|
|
|
|
@ -2042,8 +2088,18 @@ lq_update:
|
|
|
|
|
* stay with best antenna legacy modulation for a while
|
|
|
|
|
* before next round of mode comparisons. */
|
|
|
|
|
tbl1 = &(lq_sta->lq_info[lq_sta->active_tbl]);
|
|
|
|
|
if (is_legacy(&tbl1->rate) && !sta->ht_cap.ht_supported) {
|
|
|
|
|
if (is_legacy(&tbl1->rate)) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm, "LQ: STAY in legacy table\n");
|
|
|
|
|
|
|
|
|
|
if (tid != IWL_MAX_TID_COUNT) {
|
|
|
|
|
tid_data = &sta_priv->tid_data[tid];
|
|
|
|
|
if (tid_data->state != IWL_AGG_OFF) {
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"Stop aggregation on tid %d\n",
|
|
|
|
|
tid);
|
|
|
|
|
ieee80211_stop_tx_ba_session(sta, tid);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
rs_set_stay_in_table(mvm, 1, lq_sta);
|
|
|
|
|
} else {
|
|
|
|
|
/* If we're in an HT mode, and all 3 mode switch actions
|
|
|
|
@ -2342,9 +2398,10 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
|
|
|
|
|
lq_sta->lq.sta_id = sta_priv->sta_id;
|
|
|
|
|
|
|
|
|
|
for (j = 0; j < LQ_SIZE; j++)
|
|
|
|
|
rs_rate_scale_clear_tbl_windows(&lq_sta->lq_info[j]);
|
|
|
|
|
rs_rate_scale_clear_tbl_windows(mvm, &lq_sta->lq_info[j]);
|
|
|
|
|
|
|
|
|
|
lq_sta->flush_timer = 0;
|
|
|
|
|
lq_sta->last_tx = jiffies;
|
|
|
|
|
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"LQ: *** rate scale station global init for station %d ***\n",
|
|
|
|
@ -2388,11 +2445,22 @@ void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
|
|
|
|
|
lq_sta->is_vht = true;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
IWL_DEBUG_RATE(mvm,
|
|
|
|
|
"SISO-RATE=%X MIMO2-RATE=%X VHT=%d\n",
|
|
|
|
|
lq_sta->max_legacy_rate_idx = find_last_bit(&lq_sta->active_legacy_rate,
|
|
|
|
|
BITS_PER_LONG);
|
|
|
|
|
lq_sta->max_siso_rate_idx = find_last_bit(&lq_sta->active_siso_rate,
|
|
|
|
|
BITS_PER_LONG);
|
|
|
|
|
lq_sta->max_mimo2_rate_idx = find_last_bit(&lq_sta->active_mimo2_rate,
|
|
|
|
|
BITS_PER_LONG);
|
|
|
|
|
|
|
|
|
|
IWL_DEBUG_RATE(mvm, "RATE MASK: LEGACY=%lX SISO=%lX MIMO2=%lX VHT=%d\n",
|
|
|
|
|
lq_sta->active_legacy_rate,
|
|
|
|
|
lq_sta->active_siso_rate,
|
|
|
|
|
lq_sta->active_mimo2_rate,
|
|
|
|
|
lq_sta->is_vht);
|
|
|
|
|
IWL_DEBUG_RATE(mvm, "MAX RATE: LEGACY=%d SISO=%d MIMO2=%d\n",
|
|
|
|
|
lq_sta->max_legacy_rate_idx,
|
|
|
|
|
lq_sta->max_siso_rate_idx,
|
|
|
|
|
lq_sta->max_mimo2_rate_idx);
|
|
|
|
|
|
|
|
|
|
/* These values will be overridden later */
|
|
|
|
|
lq_sta->lq.single_stream_ant_msk =
|
|
|
|
@ -2547,6 +2615,7 @@ static void rs_build_rates_table(struct iwl_mvm *mvm,
|
|
|
|
|
if (is_siso(&rate)) {
|
|
|
|
|
num_rates = RS_SECONDARY_SISO_NUM_RATES;
|
|
|
|
|
num_retries = RS_SECONDARY_SISO_RETRIES;
|
|
|
|
|
lq_cmd->mimo_delim = index;
|
|
|
|
|
} else if (is_legacy(&rate)) {
|
|
|
|
|
num_rates = RS_SECONDARY_LEGACY_NUM_RATES;
|
|
|
|
|
num_retries = RS_LEGACY_RETRIES_PER_RATE;
|
|
|
|
@ -2749,7 +2818,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
|
|
|
|
|
return -ENOMEM;
|
|
|
|
|
|
|
|
|
|
desc += sprintf(buff+desc, "sta_id %d\n", lq_sta->lq.sta_id);
|
|
|
|
|
desc += sprintf(buff+desc, "failed=%d success=%d rate=0%X\n",
|
|
|
|
|
desc += sprintf(buff+desc, "failed=%d success=%d rate=0%lX\n",
|
|
|
|
|
lq_sta->total_failed, lq_sta->total_success,
|
|
|
|
|
lq_sta->active_legacy_rate);
|
|
|
|
|
desc += sprintf(buff+desc, "fixed rate 0x%X\n",
|
|
|
|
|