Trim API and remove unused variables.
Signed-off-by: Sujith Manoharan <c_manoha@xxxxxxxxxxxxxxxx>
---
drivers/net/wireless/ath/ath9k/rc.c | 56 ++++++++++++++++++-------------------
1 file changed, 27 insertions(+), 29 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 69745ad..2e517c0 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -471,8 +471,7 @@ static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw)
}
static inline int
-ath_rc_get_lower_rix(const struct ath_rate_table *rate_table,
- struct ath_rate_priv *ath_rc_priv,
+ath_rc_get_lower_rix(struct ath_rate_priv *ath_rc_priv,
u8 cur_valid_txrate, u8 *next_idx)
{
int8_t i;
@@ -582,13 +581,11 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv)
return hi;
}
-/* Finds the highest rate index we can use */
-static u8 ath_rc_get_highest_rix(struct ath_softc *sc,
- struct ath_rate_priv *ath_rc_priv,
- const struct ath_rate_table *rate_table,
+static u8 ath_rc_get_highest_rix(struct ath_rate_priv *ath_rc_priv,
int *is_probing,
bool legacy)
{
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
u32 best_thruput, this_thruput, now_msec;
u8 rate, next_rate, best_rate, maxindex, minindex;
int8_t index = 0;
@@ -773,14 +770,8 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
try_per_rate = 4;
rate_table = ath_rc_priv->rate_table;
- rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table,
- &is_probe, false);
+ rix = ath_rc_get_highest_rix(ath_rc_priv, &is_probe, false);
- /*
- * If we're in HT mode and both us and our peer supports LDPC.
- * We don't need to check our own device's capabilities as our own
- * ht capabilities would have already been intersected with our peer's.
- */
if (conf_is_ht(&sc->hw->conf) &&
(sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
tx_info->flags |= IEEE80211_TX_CTL_LDPC;
@@ -790,35 +781,42 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
tx_info->flags |= (1 << IEEE80211_TX_CTL_STBC_SHIFT);
if (is_probe) {
- /* set one try for probe rates. For the
- * probes don't enable rts */
+ /*
+ * Set one try for probe rates. For the
+ * probes don't enable RTS.
+ */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
1, rix, 0);
-
- /* Get the next tried/allowed rate. No RTS for the next series
- * after the probe rate
+ /*
+ * Get the next tried/allowed rate.
+ * No RTS for the next series after the probe rate.
*/
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
+ ath_rc_get_lower_rix(ath_rc_priv, rix, &rix);
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, rix, 0);
tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
- /* Set the chosen rate. No RTS for first series entry. */
+ /*
+ * Set the chosen rate. No RTS for first series entry.
+ */
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, rix, 0);
}
- /* Fill in the other rates for multirate retry */
for ( ; i < 3; i++) {
+ ath_rc_get_lower_rix(ath_rc_priv, rix, &rix);
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
- /* All other rates in the series have RTS enabled */
+ /*
+ * All other rates in the series have RTS enabled.
+ */
ath_rc_rate_set_series(rate_table, &rates[i], txrc,
try_per_rate, rix, 1);
}
- /* Use twice the number of tries for the last MRR segment. */
+ /*
+ * Use twice the number of tries for the last MRR segment.
+ */
try_per_rate = 8;
/*
@@ -827,11 +825,11 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
* as last retry to ensure that the frame is tried in both
* MCS and legacy rate.
*/
- ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix);
+ ath_rc_get_lower_rix(ath_rc_priv, rix, &rix);
+
if (WLAN_RC_PHY_HT(rate_table->info[rix].phy) &&
(ath_rc_priv->per[rix] > 45))
- rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table,
- &is_probe, true);
+ rix = ath_rc_get_highest_rix(ath_rc_priv, &is_probe, true);
/* All other rates in the series have RTS enabled */
ath_rc_rate_set_series(rate_table, &rates[i], txrc,
@@ -1061,8 +1059,8 @@ static void ath_rc_update_ht(struct ath_softc *sc,
if (ath_rc_priv->per[tx_rate] >= 55 && tx_rate > 0 &&
rate_table->info[tx_rate].ratekbps <=
rate_table->info[ath_rc_priv->rate_max_phy].ratekbps) {
- ath_rc_get_lower_rix(rate_table, ath_rc_priv,
- (u8)tx_rate, &ath_rc_priv->rate_max_phy);
+ ath_rc_get_lower_rix(ath_rc_priv, (u8)tx_rate,
+ &ath_rc_priv->rate_max_phy);
/* Don't probe for a little while. */
ath_rc_priv->probe_time = now_msec;
--
1.7.11.4
--
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