forked from Minki/linux
ath9k: properly use the mac80211 rate control api
This patch changes ath9k to pass proper MCS indexes and flags between the RC and the rest of the driver code. sc->cur_rate_table remains, as it's used by the RC code internally, but the rest of the driver code no longer uses it, so a potential new RC for ath9k would not have to update it. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau
John W. Linville
parent
04658fba23
commit
545750d36f
@ -21,7 +21,6 @@
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#include <linux/device.h>
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#include <linux/leds.h>
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#include "rc.h"
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#include "debug.h"
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#include "common.h"
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@ -423,6 +422,7 @@ struct ath_led {
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#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
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struct ath_wiphy;
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struct ath_rate_table;
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struct ath_softc {
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struct ieee80211_hw *hw;
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@ -467,9 +467,8 @@ struct ath_softc {
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struct ath_rx rx;
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struct ath_tx tx;
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struct ath_beacon beacon;
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struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
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const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
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const struct ath_rate_table *cur_rate_table;
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enum wireless_mode cur_rate_mode;
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struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
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struct ath_led radio_led;
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@ -65,9 +65,9 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
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struct ath_common *common = ath9k_hw_common(ah);
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struct ath_desc *ds;
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struct ath9k_11n_rate_series series[4];
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const struct ath_rate_table *rt;
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int flags, antenna, ctsrate = 0, ctsduration = 0;
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u8 rate;
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struct ieee80211_supported_band *sband;
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u8 rate = 0;
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ds = bf->bf_desc;
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flags = ATH9K_TXDESC_NOACK;
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@ -91,10 +91,10 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
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ds->ds_data = bf->bf_buf_addr;
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rt = sc->cur_rate_table;
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rate = rt->info[0].ratecode;
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sband = &sc->sbands[common->hw->conf.channel->band];
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rate = sband->bitrates[0].hw_value;
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if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
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rate |= rt->info[0].short_preamble;
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rate |= sband->bitrates[0].hw_value_short;
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ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
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ATH9K_PKT_TYPE_BEACON,
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@ -255,21 +255,11 @@ static const struct file_operations fops_interrupt = {
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.owner = THIS_MODULE
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};
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void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
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void ath_debug_stat_rc(struct ath_softc *sc, int final_rate)
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{
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struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
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struct ieee80211_tx_rate *rates = tx_info->status.rates;
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int final_ts_idx = 0, idx, i;
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struct ath_rc_stats *stats;
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for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
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if (!rates[i].count)
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break;
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final_ts_idx = i;
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}
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idx = rates[final_ts_idx].idx;
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stats = &sc->debug.stats.rcstats[idx];
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stats = &sc->debug.stats.rcstats[final_rate];
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stats->success++;
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}
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@ -18,6 +18,7 @@
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#define DEBUG_H
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#include "hw.h"
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#include "rc.h"
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struct ath_txq;
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struct ath_buf;
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@ -138,7 +139,7 @@ void ath9k_exit_debug(struct ath_hw *ah);
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int ath9k_debug_create_root(void);
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void ath9k_debug_remove_root(void);
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void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
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void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
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void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
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void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
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struct ath_buf *bf);
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void ath_debug_stat_retries(struct ath_softc *sc, int rix,
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@ -170,7 +171,7 @@ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
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}
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static inline void ath_debug_stat_rc(struct ath_softc *sc,
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struct sk_buff *skb)
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int final_rate)
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{
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}
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@ -148,22 +148,19 @@ bool ath9k_get_channel_edges(struct ath_hw *ah,
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}
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u16 ath9k_hw_computetxtime(struct ath_hw *ah,
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const struct ath_rate_table *rates,
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u8 phy, int kbps,
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u32 frameLen, u16 rateix,
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bool shortPreamble)
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{
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u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
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u32 kbps;
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kbps = rates->info[rateix].ratekbps;
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if (kbps == 0)
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return 0;
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switch (rates->info[rateix].phy) {
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switch (phy) {
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case WLAN_RC_PHY_CCK:
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phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
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if (shortPreamble && rates->info[rateix].short_preamble)
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if (shortPreamble)
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phyTime >>= 1;
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numBits = frameLen << 3;
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txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
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@ -194,8 +191,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
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break;
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default:
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ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
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"Unknown phy %u (rate ix %u)\n",
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rates->info[rateix].phy, rateix);
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"Unknown phy %u (rate ix %u)\n", phy, rateix);
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txTime = 0;
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break;
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}
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@ -647,7 +647,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
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u32 ath9k_hw_reverse_bits(u32 val, u32 n);
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bool ath9k_get_channel_edges(struct ath_hw *ah, u16 flags, u16 *low, u16 *high);
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u16 ath9k_hw_computetxtime(struct ath_hw *ah,
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const struct ath_rate_table *rates,
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u8 phy, int kbps,
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u32 frameLen, u16 rateix, bool shortPreamble);
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void ath9k_hw_get_channel_centers(struct ath_hw *ah,
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struct ath9k_channel *chan,
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@ -616,7 +616,6 @@ enum ath9k_cipher {
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struct ath_hw;
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struct ath9k_channel;
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struct ath_rate_table;
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u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
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void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
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@ -104,37 +104,55 @@ static struct ieee80211_channel ath9k_5ghz_chantable[] = {
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CHAN5G(5825, 37), /* Channel 165 */
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};
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/* Atheros hardware rate code addition for short premble */
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#define SHPCHECK(__hw_rate, __flags) \
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((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
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#define RATE(_bitrate, _hw_rate, _flags) { \
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.bitrate = (_bitrate), \
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.flags = (_flags), \
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.hw_value = (_hw_rate), \
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.hw_value_short = (SHPCHECK(_hw_rate, _flags)) \
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}
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static struct ieee80211_rate ath9k_legacy_rates[] = {
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RATE(10, 0x1b, 0),
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RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
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RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
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RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
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RATE(60, 0x0b, 0),
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RATE(90, 0x0f, 0),
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RATE(120, 0x0a, 0),
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RATE(180, 0x0e, 0),
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RATE(240, 0x09, 0),
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RATE(360, 0x0d, 0),
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RATE(480, 0x08, 0),
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RATE(540, 0x0c, 0),
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};
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static void ath_cache_conf_rate(struct ath_softc *sc,
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struct ieee80211_conf *conf)
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{
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switch (conf->channel->band) {
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case IEEE80211_BAND_2GHZ:
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if (conf_is_ht20(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
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sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
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else if (conf_is_ht40_minus(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS];
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sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
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else if (conf_is_ht40_plus(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS];
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sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
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else
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11G];
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sc->cur_rate_mode = ATH9K_MODE_11G;
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break;
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case IEEE80211_BAND_5GHZ:
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if (conf_is_ht20(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
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sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
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else if (conf_is_ht40_minus(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS];
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sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
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else if (conf_is_ht40_plus(conf))
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS];
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sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
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else
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sc->cur_rate_table =
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sc->hw_rate_table[ATH9K_MODE_11A];
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sc->cur_rate_mode = ATH9K_MODE_11A;
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break;
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default:
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BUG_ON(1);
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@ -190,51 +208,6 @@ static u8 parse_mpdudensity(u8 mpdudensity)
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}
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}
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static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
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{
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const struct ath_rate_table *rate_table = NULL;
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struct ieee80211_supported_band *sband;
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struct ieee80211_rate *rate;
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int i, maxrates;
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switch (band) {
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case IEEE80211_BAND_2GHZ:
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rate_table = sc->hw_rate_table[ATH9K_MODE_11G];
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break;
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case IEEE80211_BAND_5GHZ:
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rate_table = sc->hw_rate_table[ATH9K_MODE_11A];
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break;
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default:
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break;
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}
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if (rate_table == NULL)
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return;
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sband = &sc->sbands[band];
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rate = sc->rates[band];
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if (rate_table->rate_cnt > ATH_RATE_MAX)
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maxrates = ATH_RATE_MAX;
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else
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maxrates = rate_table->rate_cnt;
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for (i = 0; i < maxrates; i++) {
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rate[i].bitrate = rate_table->info[i].ratekbps / 100;
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rate[i].hw_value = rate_table->info[i].ratecode;
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if (rate_table->info[i].short_preamble) {
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rate[i].hw_value_short = rate_table->info[i].ratecode |
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rate_table->info[i].short_preamble;
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rate[i].flags = IEEE80211_RATE_SHORT_PREAMBLE;
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}
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sband->n_bitrates++;
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ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
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"Rate: %2dMbps, ratecode: %2d\n",
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rate[i].bitrate / 10, rate[i].hw_value);
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}
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}
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static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
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struct ieee80211_hw *hw)
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{
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@ -1701,12 +1674,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
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/* default to MONITOR mode */
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sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
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/* Setup rate tables */
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ath_rate_attach(sc);
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ath_setup_rates(sc, IEEE80211_BAND_2GHZ);
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ath_setup_rates(sc, IEEE80211_BAND_5GHZ);
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/*
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* Allocate hardware transmit queues: one queue for
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* beacon frames and one data queue for each QoS
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@ -1827,19 +1794,22 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
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/* setup channels and rates */
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sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
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sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
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sc->rates[IEEE80211_BAND_2GHZ];
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sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
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sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
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ARRAY_SIZE(ath9k_2ghz_chantable);
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sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
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sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
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ARRAY_SIZE(ath9k_legacy_rates);
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if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
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sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
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sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
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sc->rates[IEEE80211_BAND_5GHZ];
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sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
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sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
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ARRAY_SIZE(ath9k_5ghz_chantable);
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sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
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ath9k_legacy_rates + 4;
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sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
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ARRAY_SIZE(ath9k_legacy_rates) - 4;
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}
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switch (ah->btcoex_hw.scheme) {
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@ -19,132 +19,133 @@
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static const struct ath_rate_table ar5416_11na_ratetable = {
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42,
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8, /* MCS start */
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{
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
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5400, 0x0b, 0x00, 12,
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5400, 0, 0x00, 12,
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0, 0, 0, 0, 0, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
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7800, 0x0f, 0x00, 18,
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7800, 1, 0x00, 18,
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0, 1, 1, 1, 1, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
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10000, 0x0a, 0x00, 24,
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10000, 2, 0x00, 24,
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2, 2, 2, 2, 2, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
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13900, 0x0e, 0x00, 36,
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13900, 3, 0x00, 36,
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2, 3, 3, 3, 3, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
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17300, 0x09, 0x00, 48,
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17300, 4, 0x00, 48,
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4, 4, 4, 4, 4, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
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23000, 0x0d, 0x00, 72,
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23000, 5, 0x00, 72,
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4, 5, 5, 5, 5, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
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27400, 0x08, 0x00, 96,
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27400, 6, 0x00, 96,
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4, 6, 6, 6, 6, 0 },
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{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
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29300, 0x0c, 0x00, 108,
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29300, 7, 0x00, 108,
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4, 7, 7, 7, 7, 0 },
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{ VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
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6400, 0x80, 0x00, 0,
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6400, 0, 0x00, 0,
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0, 8, 24, 8, 24, 3216 },
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{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
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12700, 0x81, 0x00, 1,
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12700, 1, 0x00, 1,
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2, 9, 25, 9, 25, 6434 },
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{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
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18800, 0x82, 0x00, 2,
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18800, 2, 0x00, 2,
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2, 10, 26, 10, 26, 9650 },
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{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
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25000, 0x83, 0x00, 3,
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25000, 3, 0x00, 3,
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4, 11, 27, 11, 27, 12868 },
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{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
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36700, 0x84, 0x00, 4,
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36700, 4, 0x00, 4,
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4, 12, 28, 12, 28, 19304 },
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{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
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48100, 0x85, 0x00, 5,
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48100, 5, 0x00, 5,
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4, 13, 29, 13, 29, 25740 },
|
||||
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
|
||||
53500, 0x86, 0x00, 6,
|
||||
53500, 6, 0x00, 6,
|
||||
4, 14, 30, 14, 30, 28956 },
|
||||
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
|
||||
59000, 0x87, 0x00, 7,
|
||||
59000, 7, 0x00, 7,
|
||||
4, 15, 31, 15, 32, 32180 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
|
||||
12700, 0x88, 0x00,
|
||||
12700, 8, 0x00,
|
||||
8, 3, 16, 33, 16, 33, 6430 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
|
||||
24800, 0x89, 0x00, 9,
|
||||
24800, 9, 0x00, 9,
|
||||
2, 17, 34, 17, 34, 12860 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
|
||||
36600, 0x8a, 0x00, 10,
|
||||
36600, 10, 0x00, 10,
|
||||
2, 18, 35, 18, 35, 19300 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
|
||||
48100, 0x8b, 0x00, 11,
|
||||
48100, 11, 0x00, 11,
|
||||
4, 19, 36, 19, 36, 25736 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
|
||||
69500, 0x8c, 0x00, 12,
|
||||
69500, 12, 0x00, 12,
|
||||
4, 20, 37, 20, 37, 38600 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
|
||||
89500, 0x8d, 0x00, 13,
|
||||
89500, 13, 0x00, 13,
|
||||
4, 21, 38, 21, 38, 51472 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
|
||||
98900, 0x8e, 0x00, 14,
|
||||
98900, 14, 0x00, 14,
|
||||
4, 22, 39, 22, 39, 57890 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
|
||||
108300, 0x8f, 0x00, 15,
|
||||
108300, 15, 0x00, 15,
|
||||
4, 23, 40, 23, 41, 64320 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
|
||||
13200, 0x80, 0x00, 0,
|
||||
13200, 0, 0x00, 0,
|
||||
0, 8, 24, 24, 24, 6684 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
|
||||
25900, 0x81, 0x00, 1,
|
||||
25900, 1, 0x00, 1,
|
||||
2, 9, 25, 25, 25, 13368 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
|
||||
38600, 0x82, 0x00, 2,
|
||||
38600, 2, 0x00, 2,
|
||||
2, 10, 26, 26, 26, 20052 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
|
||||
49800, 0x83, 0x00, 3,
|
||||
49800, 3, 0x00, 3,
|
||||
4, 11, 27, 27, 27, 26738 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
|
||||
72200, 0x84, 0x00, 4,
|
||||
72200, 4, 0x00, 4,
|
||||
4, 12, 28, 28, 28, 40104 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
|
||||
92900, 0x85, 0x00, 5,
|
||||
92900, 5, 0x00, 5,
|
||||
4, 13, 29, 29, 29, 53476 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
|
||||
102700, 0x86, 0x00, 6,
|
||||
102700, 6, 0x00, 6,
|
||||
4, 14, 30, 30, 30, 60156 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
|
||||
112000, 0x87, 0x00, 7,
|
||||
112000, 7, 0x00, 7,
|
||||
4, 15, 31, 32, 32, 66840 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
|
||||
122000, 0x87, 0x00, 7,
|
||||
122000, 7, 0x00, 7,
|
||||
4, 15, 31, 32, 32, 74200 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
|
||||
25800, 0x88, 0x00, 8,
|
||||
25800, 8, 0x00, 8,
|
||||
0, 16, 33, 33, 33, 13360 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
|
||||
49800, 0x89, 0x00, 9,
|
||||
49800, 9, 0x00, 9,
|
||||
2, 17, 34, 34, 34, 26720 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
|
||||
71900, 0x8a, 0x00, 10,
|
||||
71900, 10, 0x00, 10,
|
||||
2, 18, 35, 35, 35, 40080 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
|
||||
92500, 0x8b, 0x00, 11,
|
||||
92500, 11, 0x00, 11,
|
||||
4, 19, 36, 36, 36, 53440 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
|
||||
130300, 0x8c, 0x00, 12,
|
||||
130300, 12, 0x00, 12,
|
||||
4, 20, 37, 37, 37, 80160 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
|
||||
162800, 0x8d, 0x00, 13,
|
||||
162800, 13, 0x00, 13,
|
||||
4, 21, 38, 38, 38, 106880 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
|
||||
178200, 0x8e, 0x00, 14,
|
||||
178200, 14, 0x00, 14,
|
||||
4, 22, 39, 39, 39, 120240 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
|
||||
192100, 0x8f, 0x00, 15,
|
||||
192100, 15, 0x00, 15,
|
||||
4, 23, 40, 41, 41, 133600 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
|
||||
207000, 0x8f, 0x00, 15,
|
||||
207000, 15, 0x00, 15,
|
||||
4, 23, 40, 41, 41, 148400 },
|
||||
},
|
||||
50, /* probe interval */
|
||||
@ -156,144 +157,145 @@ static const struct ath_rate_table ar5416_11na_ratetable = {
|
||||
|
||||
static const struct ath_rate_table ar5416_11ng_ratetable = {
|
||||
46,
|
||||
12, /* MCS start */
|
||||
{
|
||||
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
|
||||
900, 0x1b, 0x00, 2,
|
||||
900, 0, 0x00, 2,
|
||||
0, 0, 0, 0, 0, 0 },
|
||||
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
|
||||
1900, 0x1a, 0x04, 4,
|
||||
1900, 1, 0x04, 4,
|
||||
1, 1, 1, 1, 1, 0 },
|
||||
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
|
||||
4900, 0x19, 0x04, 11,
|
||||
4900, 2, 0x04, 11,
|
||||
2, 2, 2, 2, 2, 0 },
|
||||
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
|
||||
8100, 0x18, 0x04, 22,
|
||||
8100, 3, 0x04, 22,
|
||||
3, 3, 3, 3, 3, 0 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
|
||||
5400, 0x0b, 0x00, 12,
|
||||
5400, 4, 0x00, 12,
|
||||
4, 4, 4, 4, 4, 0 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
|
||||
7800, 0x0f, 0x00, 18,
|
||||
7800, 5, 0x00, 18,
|
||||
4, 5, 5, 5, 5, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
|
||||
10100, 0x0a, 0x00, 24,
|
||||
10100, 6, 0x00, 24,
|
||||
6, 6, 6, 6, 6, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
|
||||
14100, 0x0e, 0x00, 36,
|
||||
14100, 7, 0x00, 36,
|
||||
6, 7, 7, 7, 7, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
|
||||
17700, 0x09, 0x00, 48,
|
||||
17700, 8, 0x00, 48,
|
||||
8, 8, 8, 8, 8, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
|
||||
23700, 0x0d, 0x00, 72,
|
||||
23700, 9, 0x00, 72,
|
||||
8, 9, 9, 9, 9, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
|
||||
27400, 0x08, 0x00, 96,
|
||||
27400, 10, 0x00, 96,
|
||||
8, 10, 10, 10, 10, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
|
||||
30900, 0x0c, 0x00, 108,
|
||||
30900, 11, 0x00, 108,
|
||||
8, 11, 11, 11, 11, 0 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
|
||||
6400, 0x80, 0x00, 0,
|
||||
6400, 0, 0x00, 0,
|
||||
4, 12, 28, 12, 28, 3216 },
|
||||
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
|
||||
12700, 0x81, 0x00, 1,
|
||||
12700, 1, 0x00, 1,
|
||||
6, 13, 29, 13, 29, 6434 },
|
||||
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
|
||||
18800, 0x82, 0x00, 2,
|
||||
18800, 2, 0x00, 2,
|
||||
6, 14, 30, 14, 30, 9650 },
|
||||
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
|
||||
25000, 0x83, 0x00, 3,
|
||||
25000, 3, 0x00, 3,
|
||||
8, 15, 31, 15, 31, 12868 },
|
||||
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
|
||||
36700, 0x84, 0x00, 4,
|
||||
36700, 4, 0x00, 4,
|
||||
8, 16, 32, 16, 32, 19304 },
|
||||
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
|
||||
48100, 0x85, 0x00, 5,
|
||||
48100, 5, 0x00, 5,
|
||||
8, 17, 33, 17, 33, 25740 },
|
||||
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
|
||||
53500, 0x86, 0x00, 6,
|
||||
53500, 6, 0x00, 6,
|
||||
8, 18, 34, 18, 34, 28956 },
|
||||
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
|
||||
59000, 0x87, 0x00, 7,
|
||||
59000, 7, 0x00, 7,
|
||||
8, 19, 35, 19, 36, 32180 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
|
||||
12700, 0x88, 0x00, 8,
|
||||
12700, 8, 0x00, 8,
|
||||
4, 20, 37, 20, 37, 6430 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
|
||||
24800, 0x89, 0x00, 9,
|
||||
24800, 9, 0x00, 9,
|
||||
6, 21, 38, 21, 38, 12860 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
|
||||
36600, 0x8a, 0x00, 10,
|
||||
36600, 10, 0x00, 10,
|
||||
6, 22, 39, 22, 39, 19300 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
|
||||
48100, 0x8b, 0x00, 11,
|
||||
48100, 11, 0x00, 11,
|
||||
8, 23, 40, 23, 40, 25736 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
|
||||
69500, 0x8c, 0x00, 12,
|
||||
69500, 12, 0x00, 12,
|
||||
8, 24, 41, 24, 41, 38600 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
|
||||
89500, 0x8d, 0x00, 13,
|
||||
89500, 13, 0x00, 13,
|
||||
8, 25, 42, 25, 42, 51472 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
|
||||
98900, 0x8e, 0x00, 14,
|
||||
98900, 14, 0x00, 14,
|
||||
8, 26, 43, 26, 44, 57890 },
|
||||
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
|
||||
108300, 0x8f, 0x00, 15,
|
||||
108300, 15, 0x00, 15,
|
||||
8, 27, 44, 27, 45, 64320 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
|
||||
13200, 0x80, 0x00, 0,
|
||||
13200, 0, 0x00, 0,
|
||||
8, 12, 28, 28, 28, 6684 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
|
||||
25900, 0x81, 0x00, 1,
|
||||
25900, 1, 0x00, 1,
|
||||
8, 13, 29, 29, 29, 13368 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
|
||||
38600, 0x82, 0x00, 2,
|
||||
38600, 2, 0x00, 2,
|
||||
8, 14, 30, 30, 30, 20052 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
|
||||
49800, 0x83, 0x00, 3,
|
||||
49800, 3, 0x00, 3,
|
||||
8, 15, 31, 31, 31, 26738 },
|
||||
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
|
||||
72200, 0x84, 0x00, 4,
|
||||
72200, 4, 0x00, 4,
|
||||
8, 16, 32, 32, 32, 40104 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
|
||||
92900, 0x85, 0x00, 5,
|
||||
92900, 5, 0x00, 5,
|
||||
8, 17, 33, 33, 33, 53476 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
|
||||
102700, 0x86, 0x00, 6,
|
||||
102700, 6, 0x00, 6,
|
||||
8, 18, 34, 34, 34, 60156 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
|
||||
112000, 0x87, 0x00, 7,
|
||||
112000, 7, 0x00, 7,
|
||||
8, 19, 35, 36, 36, 66840 },
|
||||
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
|
||||
122000, 0x87, 0x00, 7,
|
||||
122000, 7, 0x00, 7,
|
||||
8, 19, 35, 36, 36, 74200 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
|
||||
25800, 0x88, 0x00, 8,
|
||||
25800, 8, 0x00, 8,
|
||||
8, 20, 37, 37, 37, 13360 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
|
||||
49800, 0x89, 0x00, 9,
|
||||
49800, 9, 0x00, 9,
|
||||
8, 21, 38, 38, 38, 26720 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
|
||||
71900, 0x8a, 0x00, 10,
|
||||
71900, 10, 0x00, 10,
|
||||
8, 22, 39, 39, 39, 40080 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
|
||||
92500, 0x8b, 0x00, 11,
|
||||
92500, 11, 0x00, 11,
|
||||
8, 23, 40, 40, 40, 53440 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
|
||||
130300, 0x8c, 0x00, 12,
|
||||
130300, 12, 0x00, 12,
|
||||
8, 24, 41, 41, 41, 80160 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
|
||||
162800, 0x8d, 0x00, 13,
|
||||
162800, 13, 0x00, 13,
|
||||
8, 25, 42, 42, 42, 106880 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
|
||||
178200, 0x8e, 0x00, 14,
|
||||
178200, 14, 0x00, 14,
|
||||
8, 26, 43, 43, 43, 120240 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
|
||||
192100, 0x8f, 0x00, 15,
|
||||
192100, 15, 0x00, 15,
|
||||
8, 27, 44, 45, 45, 133600 },
|
||||
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
|
||||
207000, 0x8f, 0x00, 15,
|
||||
207000, 15, 0x00, 15,
|
||||
8, 27, 44, 45, 45, 148400 },
|
||||
},
|
||||
50, /* probe interval */
|
||||
@ -302,30 +304,31 @@ static const struct ath_rate_table ar5416_11ng_ratetable = {
|
||||
|
||||
static const struct ath_rate_table ar5416_11a_ratetable = {
|
||||
8,
|
||||
0,
|
||||
{
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
|
||||
5400, 0x0b, 0x00, (0x80|12),
|
||||
5400, 0, 0x00, 12,
|
||||
0, 0, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
|
||||
7800, 0x0f, 0x00, 18,
|
||||
7800, 1, 0x00, 18,
|
||||
0, 1, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
|
||||
10000, 0x0a, 0x00, (0x80|24),
|
||||
10000, 2, 0x00, 24,
|
||||
2, 2, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
|
||||
13900, 0x0e, 0x00, 36,
|
||||
13900, 3, 0x00, 36,
|
||||
2, 3, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
|
||||
17300, 0x09, 0x00, (0x80|48),
|
||||
17300, 4, 0x00, 48,
|
||||
4, 4, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
|
||||
23000, 0x0d, 0x00, 72,
|
||||
23000, 5, 0x00, 72,
|
||||
4, 5, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
|
||||
27400, 0x08, 0x00, 96,
|
||||
27400, 6, 0x00, 96,
|
||||
4, 6, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
|
||||
29300, 0x0c, 0x00, 108,
|
||||
29300, 7, 0x00, 108,
|
||||
4, 7, 0 },
|
||||
},
|
||||
50, /* probe interval */
|
||||
@ -334,48 +337,63 @@ static const struct ath_rate_table ar5416_11a_ratetable = {
|
||||
|
||||
static const struct ath_rate_table ar5416_11g_ratetable = {
|
||||
12,
|
||||
0,
|
||||
{
|
||||
{ VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */
|
||||
900, 0x1b, 0x00, 2,
|
||||
900, 0, 0x00, 2,
|
||||
0, 0, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
|
||||
1900, 0x1a, 0x04, 4,
|
||||
1900, 1, 0x04, 4,
|
||||
1, 1, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
|
||||
4900, 0x19, 0x04, 11,
|
||||
4900, 2, 0x04, 11,
|
||||
2, 2, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
|
||||
8100, 0x18, 0x04, 22,
|
||||
8100, 3, 0x04, 22,
|
||||
3, 3, 0 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
|
||||
5400, 0x0b, 0x00, 12,
|
||||
5400, 4, 0x00, 12,
|
||||
4, 4, 0 },
|
||||
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
|
||||
7800, 0x0f, 0x00, 18,
|
||||
7800, 5, 0x00, 18,
|
||||
4, 5, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
|
||||
10000, 0x0a, 0x00, 24,
|
||||
10000, 6, 0x00, 24,
|
||||
6, 6, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
|
||||
13900, 0x0e, 0x00, 36,
|
||||
13900, 7, 0x00, 36,
|
||||
6, 7, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
|
||||
17300, 0x09, 0x00, 48,
|
||||
17300, 8, 0x00, 48,
|
||||
8, 8, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
|
||||
23000, 0x0d, 0x00, 72,
|
||||
23000, 9, 0x00, 72,
|
||||
8, 9, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
|
||||
27400, 0x08, 0x00, 96,
|
||||
27400, 10, 0x00, 96,
|
||||
8, 10, 0 },
|
||||
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
|
||||
29300, 0x0c, 0x00, 108,
|
||||
29300, 11, 0x00, 108,
|
||||
8, 11, 0 },
|
||||
},
|
||||
50, /* probe interval */
|
||||
0, /* Phy rates allowed initially */
|
||||
};
|
||||
|
||||
static const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX] = {
|
||||
[ATH9K_MODE_11A] = &ar5416_11a_ratetable,
|
||||
[ATH9K_MODE_11G] = &ar5416_11g_ratetable,
|
||||
[ATH9K_MODE_11NA_HT20] = &ar5416_11na_ratetable,
|
||||
[ATH9K_MODE_11NG_HT20] = &ar5416_11ng_ratetable,
|
||||
[ATH9K_MODE_11NA_HT40PLUS] = &ar5416_11na_ratetable,
|
||||
[ATH9K_MODE_11NA_HT40MINUS] = &ar5416_11na_ratetable,
|
||||
[ATH9K_MODE_11NG_HT40PLUS] = &ar5416_11ng_ratetable,
|
||||
[ATH9K_MODE_11NG_HT40MINUS] = &ar5416_11ng_ratetable,
|
||||
};
|
||||
|
||||
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) {
|
||||
@ -534,7 +552,7 @@ static u8 ath_rc_setvalid_rates(struct ath_rate_priv *ath_rc_priv,
|
||||
* capflag matches one of the validity
|
||||
* (VALID/VALID_20/VALID_40) flags */
|
||||
|
||||
if (((rate & 0x7F) == (dot11rate & 0x7F)) &&
|
||||
if ((rate == dot11rate) &&
|
||||
((valid & WLAN_RC_CAP_MODE(capflag)) ==
|
||||
WLAN_RC_CAP_MODE(capflag)) &&
|
||||
!WLAN_RC_PHY_HT(phy)) {
|
||||
@ -576,8 +594,7 @@ static u8 ath_rc_setvalid_htrates(struct ath_rate_priv *ath_rc_priv,
|
||||
u8 rate = rateset->rs_rates[i];
|
||||
u8 dot11rate = rate_table->info[j].dot11rate;
|
||||
|
||||
if (((rate & 0x7F) != (dot11rate & 0x7F)) ||
|
||||
!WLAN_RC_PHY_HT(phy) ||
|
||||
if ((rate != dot11rate) || !WLAN_RC_PHY_HT(phy) ||
|
||||
!WLAN_RC_PHY_HT_VALID(valid, capflag))
|
||||
continue;
|
||||
|
||||
@ -696,18 +713,20 @@ static void ath_rc_rate_set_series(const struct ath_rate_table *rate_table,
|
||||
u8 tries, u8 rix, int rtsctsenable)
|
||||
{
|
||||
rate->count = tries;
|
||||
rate->idx = rix;
|
||||
rate->idx = rate_table->info[rix].ratecode;
|
||||
|
||||
if (txrc->short_preamble)
|
||||
rate->flags |= IEEE80211_TX_RC_USE_SHORT_PREAMBLE;
|
||||
if (txrc->rts || rtsctsenable)
|
||||
rate->flags |= IEEE80211_TX_RC_USE_RTS_CTS;
|
||||
|
||||
if (WLAN_RC_PHY_HT(rate_table->info[rix].phy)) {
|
||||
rate->flags |= IEEE80211_TX_RC_MCS;
|
||||
if (WLAN_RC_PHY_40(rate_table->info[rix].phy))
|
||||
rate->flags |= IEEE80211_TX_RC_40_MHZ_WIDTH;
|
||||
if (WLAN_RC_PHY_SGI(rate_table->info[rix].phy))
|
||||
rate->flags |= IEEE80211_TX_RC_SHORT_GI;
|
||||
if (WLAN_RC_PHY_HT(rate_table->info[rix].phy))
|
||||
rate->flags |= IEEE80211_TX_RC_MCS;
|
||||
}
|
||||
}
|
||||
|
||||
static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
|
||||
@ -720,7 +739,7 @@ static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
|
||||
/* get the cix for the lowest valid rix */
|
||||
for (i = 3; i >= 0; i--) {
|
||||
if (rates[i].count && (rates[i].idx >= 0)) {
|
||||
rix = rates[i].idx;
|
||||
rix = ath_rc_get_rateindex(rate_table, &rates[i]);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -1080,15 +1099,19 @@ static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table,
|
||||
{
|
||||
int rix;
|
||||
|
||||
if (!(rate->flags & IEEE80211_TX_RC_MCS))
|
||||
return rate->idx;
|
||||
|
||||
rix = rate->idx + rate_table->mcs_start;
|
||||
if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) &&
|
||||
(rate->flags & IEEE80211_TX_RC_SHORT_GI))
|
||||
rix = rate_table->info[rate->idx].ht_index;
|
||||
rix = rate_table->info[rix].ht_index;
|
||||
else if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
|
||||
rix = rate_table->info[rate->idx].sgi_index;
|
||||
rix = rate_table->info[rix].sgi_index;
|
||||
else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
||||
rix = rate_table->info[rate->idx].cw40index;
|
||||
rix = rate_table->info[rix].cw40index;
|
||||
else
|
||||
rix = rate_table->info[rate->idx].base_index;
|
||||
rix = rate_table->info[rix].base_index;
|
||||
|
||||
return rix;
|
||||
}
|
||||
@ -1183,7 +1206,9 @@ struct ath_rate_table *ath_choose_rate_table(struct ath_softc *sc,
|
||||
|
||||
ath_print(common, ATH_DBG_CONFIG,
|
||||
"Choosing rate table for mode: %d\n", mode);
|
||||
return sc->hw_rate_table[mode];
|
||||
|
||||
sc->cur_rate_mode = mode;
|
||||
return hw_rate_table[mode];
|
||||
}
|
||||
|
||||
static void ath_rc_init(struct ath_softc *sc,
|
||||
@ -1197,12 +1222,6 @@ static void ath_rc_init(struct ath_softc *sc,
|
||||
u8 *ht_mcs = (u8 *)&ath_rc_priv->neg_ht_rates;
|
||||
u8 i, j, k, hi = 0, hthi = 0;
|
||||
|
||||
if (!rate_table) {
|
||||
ath_print(common, ATH_DBG_FATAL,
|
||||
"Rate table not initialized\n");
|
||||
return;
|
||||
}
|
||||
|
||||
/* Initial rate table size. Will change depending
|
||||
* on the working rate set */
|
||||
ath_rc_priv->rate_table_size = RATE_TABLE_SIZE;
|
||||
@ -1357,7 +1376,8 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
|
||||
}
|
||||
}
|
||||
|
||||
ath_debug_stat_rc(sc, skb);
|
||||
ath_debug_stat_rc(sc, ath_rc_get_rateindex(sc->cur_rate_table,
|
||||
&tx_info->status.rates[final_ts_idx]));
|
||||
}
|
||||
|
||||
static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
|
||||
@ -1365,7 +1385,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
|
||||
{
|
||||
struct ath_softc *sc = priv;
|
||||
struct ath_rate_priv *ath_rc_priv = priv_sta;
|
||||
const struct ath_rate_table *rate_table = NULL;
|
||||
const struct ath_rate_table *rate_table;
|
||||
bool is_cw40, is_sgi40;
|
||||
int i, j = 0;
|
||||
|
||||
@ -1397,11 +1417,9 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
|
||||
(sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
|
||||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
|
||||
rate_table = ath_choose_rate_table(sc, sband->band,
|
||||
sta->ht_cap.ht_supported,
|
||||
is_cw40);
|
||||
} else if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
|
||||
/* cur_rate_table would be set on init through config() */
|
||||
rate_table = sc->cur_rate_table;
|
||||
sta->ht_cap.ht_supported, is_cw40);
|
||||
} else {
|
||||
rate_table = hw_rate_table[sc->cur_rate_mode];
|
||||
}
|
||||
|
||||
ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40);
|
||||
@ -1445,6 +1463,7 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
|
||||
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
|
||||
"Operating HT Bandwidth changed to: %d\n",
|
||||
sc->hw->conf.channel_type);
|
||||
sc->cur_rate_table = hw_rate_table[sc->cur_rate_mode];
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1497,26 +1516,6 @@ static struct rate_control_ops ath_rate_ops = {
|
||||
.free_sta = ath_rate_free_sta,
|
||||
};
|
||||
|
||||
void ath_rate_attach(struct ath_softc *sc)
|
||||
{
|
||||
sc->hw_rate_table[ATH9K_MODE_11A] =
|
||||
&ar5416_11a_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11G] =
|
||||
&ar5416_11g_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NA_HT20] =
|
||||
&ar5416_11na_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NG_HT20] =
|
||||
&ar5416_11ng_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS] =
|
||||
&ar5416_11na_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS] =
|
||||
&ar5416_11na_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS] =
|
||||
&ar5416_11ng_ratetable;
|
||||
sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] =
|
||||
&ar5416_11ng_ratetable;
|
||||
}
|
||||
|
||||
int ath_rate_control_register(void)
|
||||
{
|
||||
return ieee80211_rate_control_register(&ath_rate_ops);
|
||||
|
||||
@ -104,6 +104,7 @@ enum {
|
||||
*/
|
||||
struct ath_rate_table {
|
||||
int rate_cnt;
|
||||
int mcs_start;
|
||||
struct {
|
||||
int valid;
|
||||
int valid_single_stream;
|
||||
@ -179,8 +180,6 @@ enum ath9k_internal_frame_type {
|
||||
ATH9K_INT_UNPAUSE
|
||||
};
|
||||
|
||||
void ath_rate_attach(struct ath_softc *sc);
|
||||
u8 ath_rate_findrateix(struct ath_softc *sc, u8 dot11_rate);
|
||||
int ath_rate_control_register(void);
|
||||
void ath_rate_control_unregister(void);
|
||||
|
||||
|
||||
@ -70,6 +70,29 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
|
||||
static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
|
||||
int nbad, int txok, bool update_rc);
|
||||
|
||||
enum {
|
||||
MCS_DEFAULT,
|
||||
MCS_HT40,
|
||||
MCS_HT40_SGI,
|
||||
};
|
||||
|
||||
static int ath_max_4ms_framelen[3][16] = {
|
||||
[MCS_DEFAULT] = {
|
||||
3216, 6434, 9650, 12868, 19304, 25740, 28956, 32180,
|
||||
6430, 12860, 19300, 25736, 38600, 51472, 57890, 64320,
|
||||
},
|
||||
[MCS_HT40] = {
|
||||
6684, 13368, 20052, 26738, 40104, 53476, 60156, 66840,
|
||||
13360, 26720, 40080, 53440, 80160, 106880, 120240, 133600,
|
||||
},
|
||||
[MCS_HT40_SGI] = {
|
||||
/* TODO: Only MCS 7 and 15 updated, recalculate the rest */
|
||||
6684, 13368, 20052, 26738, 40104, 53476, 60156, 74200,
|
||||
13360, 26720, 40080, 53440, 80160, 106880, 120240, 148400,
|
||||
}
|
||||
};
|
||||
|
||||
|
||||
/*********************/
|
||||
/* Aggregation logic */
|
||||
/*********************/
|
||||
@ -459,7 +482,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
|
||||
static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
|
||||
struct ath_atx_tid *tid)
|
||||
{
|
||||
const struct ath_rate_table *rate_table = sc->cur_rate_table;
|
||||
struct sk_buff *skb;
|
||||
struct ieee80211_tx_info *tx_info;
|
||||
struct ieee80211_tx_rate *rates;
|
||||
@ -480,12 +502,20 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
if (rates[i].count) {
|
||||
if (!WLAN_RC_PHY_HT(rate_table->info[rates[i].idx].phy)) {
|
||||
int modeidx;
|
||||
if (!(rates[i].flags & IEEE80211_TX_RC_MCS)) {
|
||||
legacy = 1;
|
||||
break;
|
||||
}
|
||||
|
||||
frmlen = rate_table->info[rates[i].idx].max_4ms_framelen;
|
||||
if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
|
||||
modeidx = MCS_HT40_SGI;
|
||||
else if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
||||
modeidx = MCS_HT40;
|
||||
else
|
||||
modeidx = MCS_DEFAULT;
|
||||
|
||||
frmlen = ath_max_4ms_framelen[modeidx][rates[i].idx];
|
||||
max_4ms_framelen = min(max_4ms_framelen, frmlen);
|
||||
}
|
||||
}
|
||||
@ -523,12 +553,11 @@ static u32 ath_lookup_rate(struct ath_softc *sc, struct ath_buf *bf,
|
||||
static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
|
||||
struct ath_buf *bf, u16 frmlen)
|
||||
{
|
||||
const struct ath_rate_table *rt = sc->cur_rate_table;
|
||||
struct sk_buff *skb = bf->bf_mpdu;
|
||||
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
|
||||
u32 nsymbits, nsymbols;
|
||||
u16 minlen;
|
||||
u8 rc, flags, rix;
|
||||
u8 flags, rix;
|
||||
int width, half_gi, ndelim, mindelim;
|
||||
|
||||
/* Select standard number of delimiters based on frame length alone */
|
||||
@ -558,7 +587,6 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
|
||||
|
||||
rix = tx_info->control.rates[0].idx;
|
||||
flags = tx_info->control.rates[0].flags;
|
||||
rc = rt->info[rix].ratecode;
|
||||
width = (flags & IEEE80211_TX_RC_40_MHZ_WIDTH) ? 1 : 0;
|
||||
half_gi = (flags & IEEE80211_TX_RC_SHORT_GI) ? 1 : 0;
|
||||
|
||||
@ -570,7 +598,7 @@ static int ath_compute_num_delims(struct ath_softc *sc, struct ath_atx_tid *tid,
|
||||
if (nsymbols == 0)
|
||||
nsymbols = 1;
|
||||
|
||||
nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
|
||||
nsymbits = bits_per_symbol[rix][width];
|
||||
minlen = (nsymbols * nsymbits) / BITS_PER_BYTE;
|
||||
|
||||
if (frmlen < minlen) {
|
||||
@ -1425,22 +1453,14 @@ static int setup_tx_flags(struct ath_softc *sc, struct sk_buff *skb,
|
||||
static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
|
||||
int width, int half_gi, bool shortPreamble)
|
||||
{
|
||||
const struct ath_rate_table *rate_table = sc->cur_rate_table;
|
||||
u32 nbits, nsymbits, duration, nsymbols;
|
||||
u8 rc;
|
||||
int streams, pktlen;
|
||||
|
||||
pktlen = bf_isaggr(bf) ? bf->bf_al : bf->bf_frmlen;
|
||||
rc = rate_table->info[rix].ratecode;
|
||||
|
||||
/* for legacy rates, use old function to compute packet duration */
|
||||
if (!IS_HT_RATE(rc))
|
||||
return ath9k_hw_computetxtime(sc->sc_ah, rate_table, pktlen,
|
||||
rix, shortPreamble);
|
||||
|
||||
/* find number of symbols: PLCP + data */
|
||||
nbits = (pktlen << 3) + OFDM_PLCP_BITS;
|
||||
nsymbits = bits_per_symbol[HT_RC_2_MCS(rc)][width];
|
||||
nsymbits = bits_per_symbol[rix][width];
|
||||
nsymbols = (nbits + nsymbits - 1) / nsymbits;
|
||||
|
||||
if (!half_gi)
|
||||
@ -1449,7 +1469,7 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
|
||||
duration = SYMBOL_TIME_HALFGI(nsymbols);
|
||||
|
||||
/* addup duration for legacy/ht training and signal fields */
|
||||
streams = HT_RC_2_STREAMS(rc);
|
||||
streams = HT_RC_2_STREAMS(rix);
|
||||
duration += L_STF + L_LTF + L_SIG + HT_SIG + HT_STF + HT_LTF(streams);
|
||||
|
||||
return duration;
|
||||
@ -1458,11 +1478,11 @@ static u32 ath_pkt_duration(struct ath_softc *sc, u8 rix, struct ath_buf *bf,
|
||||
static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
{
|
||||
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
|
||||
const struct ath_rate_table *rt = sc->cur_rate_table;
|
||||
struct ath9k_11n_rate_series series[4];
|
||||
struct sk_buff *skb;
|
||||
struct ieee80211_tx_info *tx_info;
|
||||
struct ieee80211_tx_rate *rates;
|
||||
const struct ieee80211_rate *rate;
|
||||
struct ieee80211_hdr *hdr;
|
||||
int i, flags = 0;
|
||||
u8 rix = 0, ctsrate = 0;
|
||||
@ -1481,11 +1501,10 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
* checking the BSS's global flag.
|
||||
* But for the rate series, IEEE80211_TX_RC_USE_SHORT_PREAMBLE is used.
|
||||
*/
|
||||
rate = ieee80211_get_rts_cts_rate(sc->hw, tx_info);
|
||||
ctsrate = rate->hw_value;
|
||||
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
|
||||
ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode |
|
||||
rt->info[tx_info->control.rts_cts_rate_idx].short_preamble;
|
||||
else
|
||||
ctsrate = rt->info[tx_info->control.rts_cts_rate_idx].ratecode;
|
||||
ctsrate |= rate->hw_value_short;
|
||||
|
||||
/*
|
||||
* ATH9K_TXDESC_RTSENA and ATH9K_TXDESC_CTSENA are mutually exclusive.
|
||||
@ -1508,6 +1527,9 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
flags &= ~(ATH9K_TXDESC_RTSENA);
|
||||
|
||||
for (i = 0; i < 4; i++) {
|
||||
bool is_40, is_sgi, is_sp;
|
||||
int phy;
|
||||
|
||||
if (!rates[i].count || (rates[i].idx < 0))
|
||||
continue;
|
||||
|
||||
@ -1515,12 +1537,6 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
series[i].Tries = rates[i].count;
|
||||
series[i].ChSel = common->tx_chainmask;
|
||||
|
||||
if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
|
||||
series[i].Rate = rt->info[rix].ratecode |
|
||||
rt->info[rix].short_preamble;
|
||||
else
|
||||
series[i].Rate = rt->info[rix].ratecode;
|
||||
|
||||
if (rates[i].flags & IEEE80211_TX_RC_USE_RTS_CTS)
|
||||
series[i].RateFlags |= ATH9K_RATESERIES_RTS_CTS;
|
||||
if (rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
|
||||
@ -1528,10 +1544,36 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf)
|
||||
if (rates[i].flags & IEEE80211_TX_RC_SHORT_GI)
|
||||
series[i].RateFlags |= ATH9K_RATESERIES_HALFGI;
|
||||
|
||||
is_sgi = !!(rates[i].flags & IEEE80211_TX_RC_SHORT_GI);
|
||||
is_40 = !!(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH);
|
||||
is_sp = !!(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE);
|
||||
|
||||
if (rates[i].flags & IEEE80211_TX_RC_MCS) {
|
||||
/* MCS rates */
|
||||
series[i].Rate = rix | 0x80;
|
||||
series[i].PktDuration = ath_pkt_duration(sc, rix, bf,
|
||||
(rates[i].flags & IEEE80211_TX_RC_40_MHZ_WIDTH) != 0,
|
||||
(rates[i].flags & IEEE80211_TX_RC_SHORT_GI),
|
||||
(rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE));
|
||||
is_40, is_sgi, is_sp);
|
||||
continue;
|
||||
}
|
||||
|
||||
/* legcay rates */
|
||||
if ((tx_info->band == IEEE80211_BAND_2GHZ) &&
|
||||
!(rate->flags & IEEE80211_RATE_ERP_G))
|
||||
phy = WLAN_RC_PHY_CCK;
|
||||
else
|
||||
phy = WLAN_RC_PHY_OFDM;
|
||||
|
||||
rate = &sc->sbands[tx_info->band].bitrates[rates[i].idx];
|
||||
series[i].Rate = rate->hw_value;
|
||||
if (rate->hw_value_short) {
|
||||
if (rates[i].flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
|
||||
series[i].Rate |= rate->hw_value_short;
|
||||
} else {
|
||||
is_sp = false;
|
||||
}
|
||||
|
||||
series[i].PktDuration = ath9k_hw_computetxtime(sc->sc_ah,
|
||||
phy, rate->bitrate * 100, bf->bf_frmlen, rix, is_sp);
|
||||
}
|
||||
|
||||
/* set dur_update_en for l-sig computation except for PS-Poll frames */
|
||||
@ -1920,8 +1962,10 @@ static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
|
||||
}
|
||||
}
|
||||
|
||||
for (i = tx_rateindex + 1; i < hw->max_rates; i++)
|
||||
for (i = tx_rateindex + 1; i < hw->max_rates; i++) {
|
||||
tx_info->status.rates[i].count = 0;
|
||||
tx_info->status.rates[i].idx = -1;
|
||||
}
|
||||
|
||||
tx_info->status.rates[tx_rateindex].count = bf->bf_retries + 1;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user