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path: root/drivers/net/wireless/iwlwifi/mvm/rs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/rs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/rs.c88
1 files changed, 49 insertions, 39 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/rs.c b/drivers/net/wireless/iwlwifi/mvm/rs.c
index 399709f2be2e..568abd61b14f 100644
--- a/drivers/net/wireless/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/iwlwifi/mvm/rs.c
@@ -211,9 +211,9 @@ static const struct rs_tx_column rs_tx_columns[] = {
.next_columns = {
RS_COLUMN_LEGACY_ANT_B,
RS_COLUMN_SISO_ANT_A,
+ RS_COLUMN_SISO_ANT_B,
RS_COLUMN_MIMO2,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_MIMO2_SGI,
},
},
[RS_COLUMN_LEGACY_ANT_B] = {
@@ -221,10 +221,10 @@ static const struct rs_tx_column rs_tx_columns[] = {
.ant = ANT_B,
.next_columns = {
RS_COLUMN_LEGACY_ANT_A,
+ RS_COLUMN_SISO_ANT_A,
RS_COLUMN_SISO_ANT_B,
RS_COLUMN_MIMO2,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_MIMO2_SGI,
},
},
[RS_COLUMN_SISO_ANT_A] = {
@@ -234,8 +234,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_SISO_ANT_B,
RS_COLUMN_MIMO2,
RS_COLUMN_SISO_ANT_A_SGI,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_SISO_ANT_B_SGI,
+ RS_COLUMN_MIMO2_SGI,
},
.checks = {
rs_siso_allow,
@@ -248,8 +248,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_SISO_ANT_A,
RS_COLUMN_MIMO2,
RS_COLUMN_SISO_ANT_B_SGI,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_SISO_ANT_A_SGI,
+ RS_COLUMN_MIMO2_SGI,
},
.checks = {
rs_siso_allow,
@@ -263,8 +263,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_SISO_ANT_B_SGI,
RS_COLUMN_MIMO2_SGI,
RS_COLUMN_SISO_ANT_A,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_SISO_ANT_B,
+ RS_COLUMN_MIMO2,
},
.checks = {
rs_siso_allow,
@@ -279,8 +279,8 @@ static const struct rs_tx_column rs_tx_columns[] = {
RS_COLUMN_SISO_ANT_A_SGI,
RS_COLUMN_MIMO2_SGI,
RS_COLUMN_SISO_ANT_B,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
+ RS_COLUMN_SISO_ANT_A,
+ RS_COLUMN_MIMO2,
},
.checks = {
rs_siso_allow,
@@ -292,10 +292,10 @@ static const struct rs_tx_column rs_tx_columns[] = {
.ant = ANT_AB,
.next_columns = {
RS_COLUMN_SISO_ANT_A,
+ RS_COLUMN_SISO_ANT_B,
+ RS_COLUMN_SISO_ANT_A_SGI,
+ RS_COLUMN_SISO_ANT_B_SGI,
RS_COLUMN_MIMO2_SGI,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
},
.checks = {
rs_mimo_allow,
@@ -307,10 +307,10 @@ static const struct rs_tx_column rs_tx_columns[] = {
.sgi = true,
.next_columns = {
RS_COLUMN_SISO_ANT_A_SGI,
+ RS_COLUMN_SISO_ANT_B_SGI,
+ RS_COLUMN_SISO_ANT_A,
+ RS_COLUMN_SISO_ANT_B,
RS_COLUMN_MIMO2,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
- RS_COLUMN_INVALID,
},
.checks = {
rs_mimo_allow,
@@ -503,6 +503,14 @@ static void rs_rate_scale_clear_window(struct iwl_rate_scale_data *window)
window->average_tpt = IWL_INVALID_VALUE;
}
+static void rs_rate_scale_clear_tbl_windows(struct iwl_scale_tbl_info *tbl)
+{
+ int i;
+
+ for (i = 0; i < IWL_RATE_COUNT; i++)
+ rs_rate_scale_clear_window(&tbl->win[i]);
+}
+
static inline u8 rs_is_valid_ant(u8 valid_antenna, u8 ant_type)
{
return (ant_type & valid_antenna) == ant_type;
@@ -566,19 +574,13 @@ static s32 get_expected_tpt(struct iwl_scale_tbl_info *tbl, int rs_index)
* at this rate. window->data contains the bitmask of successful
* packets.
*/
-static int rs_collect_tx_data(struct iwl_scale_tbl_info *tbl,
- int scale_index, int attempts, int successes)
+static int _rs_collect_tx_data(struct iwl_scale_tbl_info *tbl,
+ int scale_index, int attempts, int successes,
+ struct iwl_rate_scale_data *window)
{
- struct iwl_rate_scale_data *window = NULL;
static const u64 mask = (((u64)1) << (IWL_RATE_MAX_WINDOW - 1));
s32 fail_count, tpt;
- if (scale_index < 0 || scale_index >= IWL_RATE_COUNT)
- return -EINVAL;
-
- /* Select window for current tx bit rate */
- window = &(tbl->win[scale_index]);
-
/* Get expected throughput */
tpt = get_expected_tpt(tbl, scale_index);
@@ -636,6 +638,21 @@ static int rs_collect_tx_data(struct iwl_scale_tbl_info *tbl,
return 0;
}
+static int rs_collect_tx_data(struct iwl_scale_tbl_info *tbl,
+ int scale_index, int attempts, int successes)
+{
+ struct iwl_rate_scale_data *window = NULL;
+
+ if (scale_index < 0 || scale_index >= IWL_RATE_COUNT)
+ return -EINVAL;
+
+ /* Select window for current tx bit rate */
+ window = &(tbl->win[scale_index]);
+
+ return _rs_collect_tx_data(tbl, scale_index, attempts, successes,
+ window);
+}
+
/* Convert rs_rate object into ucode rate bitmask */
static u32 ucode_rate_from_rs_rate(struct iwl_mvm *mvm,
struct rs_rate *rate)
@@ -1361,7 +1378,6 @@ static u32 rs_bw_from_sta_bw(struct ieee80211_sta *sta)
static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
{
struct iwl_scale_tbl_info *tbl;
- int i;
int active_tbl;
int flush_interval_passed = 0;
struct iwl_mvm *mvm;
@@ -1422,9 +1438,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
IWL_DEBUG_RATE(mvm,
"LQ: stay in table clear win\n");
- for (i = 0; i < IWL_RATE_COUNT; i++)
- rs_rate_scale_clear_window(
- &(tbl->win[i]));
+ rs_rate_scale_clear_tbl_windows(tbl);
}
}
@@ -1433,8 +1447,7 @@ static void rs_stay_in_table(struct iwl_lq_sta *lq_sta, bool force_search)
* "search" table). */
if (lq_sta->rs_state == RS_STATE_SEARCH_CYCLE_STARTED) {
IWL_DEBUG_RATE(mvm, "Clearing up window stats\n");
- for (i = 0; i < IWL_RATE_COUNT; i++)
- rs_rate_scale_clear_window(&(tbl->win[i]));
+ rs_rate_scale_clear_tbl_windows(tbl);
}
}
}
@@ -1724,7 +1737,6 @@ static void rs_rate_scale_perform(struct iwl_mvm *mvm,
int low = IWL_RATE_INVALID;
int high = IWL_RATE_INVALID;
int index;
- int i;
struct iwl_rate_scale_data *window = NULL;
int current_tpt = IWL_INVALID_VALUE;
int low_tpt = IWL_INVALID_VALUE;
@@ -2009,8 +2021,7 @@ 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)]);
- for (i = 0; i < IWL_RATE_COUNT; i++)
- rs_rate_scale_clear_window(&(tbl->win[i]));
+ rs_rate_scale_clear_tbl_windows(tbl);
/* Use new "search" start rate */
index = tbl->rate.index;
@@ -2331,8 +2342,7 @@ 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++)
- for (i = 0; i < IWL_RATE_COUNT; i++)
- rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
+ rs_rate_scale_clear_tbl_windows(&lq_sta->lq_info[j]);
lq_sta->flush_timer = 0;
@@ -2591,7 +2601,7 @@ static void rs_fill_lq_cmd(struct iwl_mvm *mvm,
if (sta)
lq_cmd->agg_time_limit =
- cpu_to_le16(iwl_mvm_bt_coex_agg_time_limit(mvm, sta));
+ cpu_to_le16(iwl_mvm_coex_agg_time_limit(mvm, sta));
}
static void *rs_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)