diff options
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 12 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.c | 41 | ||||
| -rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-3945.h | 2 |
3 files changed, 39 insertions, 16 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index b03dd06ceab..047317f2648 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -335,10 +335,11 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta, } -static void rs_rate_init(void *priv, struct ieee80211_supported_band *sband, +static void rs_rate_init(void *priv_r, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta) { struct iwl3945_rs_sta *rs_sta = priv_sta; + struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r; int i; IWL_DEBUG_RATE("enter\n"); @@ -348,16 +349,21 @@ static void rs_rate_init(void *priv, struct ieee80211_supported_band *sband, * previous packets? Need to have IEEE 802.1X auth succeed immediately * after assoc.. */ - for (i = IWL_RATE_COUNT - 1; i >= 0; i--) { + for (i = sband->n_bitrates - 1; i >= 0; i--) { if (sta->supp_rates[sband->band] & (1 << i)) { rs_sta->last_txrate_idx = i; break; } } + priv->sta_supp_rates = sta->supp_rates[sband->band]; /* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */ - if (sband->band == IEEE80211_BAND_5GHZ) + if (sband->band == IEEE80211_BAND_5GHZ) { rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; + priv->sta_supp_rates = priv->sta_supp_rates << + IWL_FIRST_OFDM_RATE; + } + IWL_DEBUG_RATE("leave\n"); } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 4e6b7154c22..4e9e592b1ca 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -277,12 +277,14 @@ int iwl3945_rs_next_rate(struct iwl3945_priv *priv, int rate) else if (rate == IWL_RATE_6M_INDEX) next_rate = IWL_RATE_6M_INDEX; break; -/* XXX cannot be invoked in current mac80211 so not a regression - case MODE_IEEE80211B: - if (rate == IWL_RATE_11M_INDEX_TABLE) - next_rate = IWL_RATE_5M_INDEX_TABLE; + case IEEE80211_BAND_2GHZ: + if (!(priv->sta_supp_rates & IWL_OFDM_RATES_MASK) && + iwl3945_is_associated(priv)) { + if (rate == IWL_RATE_11M_INDEX) + next_rate = IWL_RATE_5M_INDEX; + } break; - */ + default: break; } @@ -2378,7 +2380,8 @@ int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv) iwl3945_hw_set_rate_n_flags(iwl3945_rates[i].plcp, 0); table[index].try_cnt = priv->retry_rate; prev_index = iwl3945_get_prev_ieee_rate(i); - table[index].next_rate_index = iwl3945_rates[prev_index].table_rs_index; + table[index].next_rate_index = + iwl3945_rates[prev_index].table_rs_index; } switch (priv->band) { @@ -2386,11 +2389,14 @@ int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv) IWL_DEBUG_RATE("Select A mode rate scale\n"); /* If one of the following CCK rates is used, * have it fall back to the 6M OFDM rate */ - for (i = IWL_RATE_1M_INDEX_TABLE; i <= IWL_RATE_11M_INDEX_TABLE; i++) - table[i].next_rate_index = iwl3945_rates[IWL_FIRST_OFDM_RATE].table_rs_index; + for (i = IWL_RATE_1M_INDEX_TABLE; + i <= IWL_RATE_11M_INDEX_TABLE; i++) + table[i].next_rate_index = + iwl3945_rates[IWL_FIRST_OFDM_RATE].table_rs_index; /* Don't fall back to CCK rates */ - table[IWL_RATE_12M_INDEX_TABLE].next_rate_index = IWL_RATE_9M_INDEX_TABLE; + table[IWL_RATE_12M_INDEX_TABLE].next_rate_index = + IWL_RATE_9M_INDEX_TABLE; /* Don't drop out of OFDM rates */ table[IWL_RATE_6M_INDEX_TABLE].next_rate_index = @@ -2401,11 +2407,20 @@ int iwl3945_init_hw_rate_table(struct iwl3945_priv *priv) IWL_DEBUG_RATE("Select B/G mode rate scale\n"); /* If an OFDM rate is used, have it fall back to the * 1M CCK rates */ - for (i = IWL_RATE_6M_INDEX_TABLE; i <= IWL_RATE_54M_INDEX_TABLE; i++) - table[i].next_rate_index = iwl3945_rates[IWL_FIRST_CCK_RATE].table_rs_index; - /* CCK shouldn't fall back to OFDM... */ - table[IWL_RATE_11M_INDEX_TABLE].next_rate_index = IWL_RATE_5M_INDEX_TABLE; + if (!(priv->sta_supp_rates & IWL_OFDM_RATES_MASK) && + iwl3945_is_associated(priv)) { + + index = IWL_FIRST_CCK_RATE; + for (i = IWL_RATE_6M_INDEX_TABLE; + i <= IWL_RATE_54M_INDEX_TABLE; i++) + table[i].next_rate_index = + iwl3945_rates[index].table_rs_index; + + index = IWL_RATE_11M_INDEX_TABLE; + /* CCK shouldn't fall back to OFDM... */ + table[index].next_rate_index = IWL_RATE_5M_INDEX_TABLE; + } break; default: diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index 5c2c15e65a6..d7d13a9e22b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -810,6 +810,8 @@ struct iwl3945_priv { u16 active_rate; u16 active_rate_basic; + u32 sta_supp_rates; + u8 call_post_assoc_from_beacon; /* Rate scaling data */ s8 data_retry_limit; |