static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
struct ieee80211_tx_rate *rate);
-static inline int8_t median(int8_t a, int8_t b, int8_t c)
-{
- if (a >= b) {
- if (b >= c)
- return b;
- else if (a > c)
- return c;
- else
- return a;
- } else {
- if (a >= c)
- return a;
- else if (b >= c)
- return c;
- else
- return b;
- }
-}
-
static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table,
struct ath_rate_priv *ath_rc_priv)
{
}
}
-static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv)
+static void ath_rc_init_valid_rate_idx(struct ath_rate_priv *ath_rc_priv)
{
u8 i;
ath_rc_priv->valid_rate_index[i] = 0;
}
-static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv,
+static inline void ath_rc_set_valid_rate_idx(struct ath_rate_priv *ath_rc_priv,
u8 index, int valid_tx_rate)
{
BUG_ON(index > ath_rc_priv->rate_table_size);
ath_rc_priv->valid_phy_rateidx[phy][valid_rate_count] = i;
ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(ath_rc_priv, i, 1);
+ ath_rc_set_valid_rate_idx(ath_rc_priv, i, 1);
hi = i;
}
}
ath_rc_priv->valid_phy_rateidx[phy]
[valid_rate_count] = j;
ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
+ ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
hi = A_MAX(hi, j);
}
}
ath_rc_priv->valid_phy_rateidx[phy]
[ath_rc_priv->valid_phy_ratecnt[phy]] = j;
ath_rc_priv->valid_phy_ratecnt[phy] += 1;
- ath_rc_set_valid_txmask(ath_rc_priv, j, 1);
+ ath_rc_set_valid_rate_idx(ath_rc_priv, j, 1);
hi = A_MAX(hi, j);
}
}
bool state_change = false;
int count, n_bad_frames;
u8 last_per;
- static u32 nretry_to_per_lookup[10] = {
+ static const u32 nretry_to_per_lookup[10] = {
100 * 0 / 1,
100 * 1 / 4,
100 * 1 / 2,
struct ieee80211_tx_rate *rate)
{
int rix = 0, i = 0;
- int mcs_rix_off[] = { 7, 15, 20, 21, 22, 23 };
+ static const int mcs_rix_off[] = { 7, 15, 20, 21, 22, 23 };
if (!(rate->flags & IEEE80211_TX_RC_MCS))
return rate->idx;
while (rate->idx > mcs_rix_off[i] &&
- i < sizeof(mcs_rix_off)/sizeof(int)) {
+ i < ARRAY_SIZE(mcs_rix_off)) {
rix++; i++;
}
return &ar5416_11na_ratetable;
return &ar5416_11a_ratetable;
default:
- ath_print(common, ATH_DBG_CONFIG, "Invalid band\n");
+ ath_dbg(common, ATH_DBG_CONFIG, "Invalid band\n");
return NULL;
}
}
}
/* Determine the valid rates */
- ath_rc_init_valid_txmask(ath_rc_priv);
+ ath_rc_init_valid_rate_idx(ath_rc_priv);
for (i = 0; i < WLAN_RC_PHY_MAX; i++) {
for (j = 0; j < MAX_TX_RATE_PHY; j++)
ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
ath_rc_priv->rate_table = rate_table;
- ath_print(common, ATH_DBG_CONFIG,
- "RC Initialized with capabilities: 0x%x\n",
- ath_rc_priv->ht_cap);
+ ath_dbg(common, ATH_DBG_CONFIG,
+ "RC Initialized with capabilities: 0x%x\n",
+ ath_rc_priv->ht_cap);
}
static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
struct ath_rate_priv *ath_rc_priv = priv_sta;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ieee80211_hdr *hdr;
- int final_ts_idx = 0, tx_status = 0, is_underrun = 0;
+ int final_ts_idx = 0, tx_status = 0;
int long_retry = 0;
__le16 fc;
int i;
tx_info->status.ampdu_len = 1;
}
- /*
- * If an underrun error is seen assume it as an excessive retry only
- * if max frame trigger level has been reached (2 KB for singel stream,
- * and 4 KB for dual stream). Adjust the long retry as if the frame was
- * tried hw->max_rate_tries times to affect how ratectrl updates PER for
- * the failed rate. In case of congestion on the bus penalizing these
- * type of underruns should help hardware actually transmit new frames
- * successfully by eventually preferring slower rates. This itself
- * should also alleviate congestion on the bus.
- */
- if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
- (sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
- tx_status = 1;
- is_underrun = 1;
- }
-
- if (tx_info->pad[0] & ATH_TX_INFO_XRETRY)
+ if (!(tx_info->flags & IEEE80211_TX_STAT_ACK))
tx_status = 1;
ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status,
- (is_underrun) ? sc->hw->max_rate_tries : long_retry);
+ long_retry);
/* Check if aggregation has to be enabled for this tid */
if (conf_is_ht(&sc->hw->conf) &&
!(skb->protocol == cpu_to_be16(ETH_P_PAE))) {
- if (ieee80211_is_data_qos(fc)) {
+ if (ieee80211_is_data_qos(fc) &&
+ skb_get_queue_mapping(skb) != IEEE80211_AC_VO) {
u8 *qc, tid;
struct ath_node *an;
an = (struct ath_node *)sta->drv_priv;
if(ath_tx_aggr_check(sc, an, tid))
- ieee80211_start_tx_ba_session(sta, tid);
+ ieee80211_start_tx_ba_session(sta, tid, 0);
}
}
ath_rc_priv->neg_ht_rates.rs_nrates = j;
}
- is_cw40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40;
+ is_cw40 = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40);
if (is_cw40)
- is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40;
+ is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40);
else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20)
- is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20;
+ is_sgi = !!(sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20);
/* Choose rate table first */
struct ath_rate_priv *ath_rc_priv = priv_sta;
const struct ath_rate_table *rate_table = NULL;
bool oper_cw40 = false, oper_sgi;
- bool local_cw40 = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG) ?
- true : false;
- bool local_sgi = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ?
- true : false;
+ bool local_cw40 = !!(ath_rc_priv->ht_cap & WLAN_RC_40_FLAG);
+ bool local_sgi = !!(ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG);
/* FIXME: Handle AP mode later when we support CWM */
oper_cw40, oper_sgi);
ath_rc_init(sc, priv_sta, sband, sta, rate_table);
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
- "Operating HT Bandwidth changed to: %d\n",
- sc->hw->conf.channel_type);
+ ath_dbg(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+ "Operating HT Bandwidth changed to: %d\n",
+ sc->hw->conf.channel_type);
}
}
}
rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp);
if (!rate_priv) {
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
- "Unable to allocate private rc structure\n");
+ ath_err(ath9k_hw_common(sc->sc_ah),
+ "Unable to allocate private rc structure\n");
return NULL;
}
- rate_priv->tx_triglevel_max = sc->sc_ah->caps.tx_triglevel_max;
-
return rate_priv;
}
projects / mv-sheeva.git / blobdiff