diff options
Diffstat (limited to 'drivers/net/wireless/ath9k')
| -rw-r--r-- | drivers/net/wireless/ath9k/ath9k.h | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/hw.c | 4 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/main.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.c | 546 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.h | 110 | ||||
| -rw-r--r-- | drivers/net/wireless/ath9k/xmit.c | 2 |
6 files changed, 277 insertions, 412 deletions
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h index c4012c88d82..6b0e3dd7b2a 100644 --- a/drivers/net/wireless/ath9k/ath9k.h +++ b/drivers/net/wireless/ath9k/ath9k.h @@ -686,13 +686,19 @@ enum ath9k_ani_cmd { ATH9K_ANI_ALL = 0xff }; -enum phytype { - PHY_DS, - PHY_FH, - PHY_OFDM, - PHY_HT, +enum { + WLAN_RC_PHY_OFDM, + WLAN_RC_PHY_CCK, + WLAN_RC_PHY_HT_20_SS, + WLAN_RC_PHY_HT_20_DS, + WLAN_RC_PHY_HT_40_SS, + WLAN_RC_PHY_HT_40_DS, + WLAN_RC_PHY_HT_20_SS_HGI, + WLAN_RC_PHY_HT_20_DS_HGI, + WLAN_RC_PHY_HT_40_SS_HGI, + WLAN_RC_PHY_HT_40_DS_HGI, + WLAN_RC_PHY_MAX }; -#define PHY_CCK PHY_DS enum ath9k_tp_scale { ATH9K_TP_SCALE_MAX = 0, diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c index a26867c56a8..eb1445143bc 100644 --- a/drivers/net/wireless/ath9k/hw.c +++ b/drivers/net/wireless/ath9k/hw.c @@ -155,14 +155,14 @@ u16 ath9k_hw_computetxtime(struct ath_hal *ah, return 0; switch (rates->info[rateix].phy) { - case PHY_CCK: + case WLAN_RC_PHY_CCK: phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS; if (shortPreamble && rates->info[rateix].short_preamble) phyTime >>= 1; numBits = frameLen << 3; txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps); break; - case PHY_OFDM: + case WLAN_RC_PHY_OFDM: if (ah->ah_curchan && IS_CHAN_QUARTER_RATE(ah->ah_curchan)) { bitsPerSymbol = (kbps * OFDM_SYMBOL_TIME_QUARTER) / 1000; numBits = OFDM_PLCP_BITS + (frameLen << 3); diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c index e86bcd28414..9a798245b1b 100644 --- a/drivers/net/wireless/ath9k/main.c +++ b/drivers/net/wireless/ath9k/main.c @@ -346,16 +346,15 @@ void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, { struct ieee80211_hw *hw = sc->hw; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info); DPRINTF(sc, ATH_DBG_XMIT, "%s: TX complete: skb: %p\n", __func__, skb); if (tx_info->flags & IEEE80211_TX_CTL_NO_ACK || - tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) { - if (tx_info->rate_driver_data[0] != NULL) { - kfree(tx_info->rate_driver_data[0]); - tx_info->rate_driver_data[0] = NULL; - } + tx_info->flags & IEEE80211_TX_STAT_TX_FILTERED) { + kfree(tx_info_priv); + tx_info->rate_driver_data[0] = NULL; } if (tx_status->flags & ATH_TX_BAR) { diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index bf637aa7dda..51f51afa6da 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -15,142 +15,136 @@ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ -/* - * Atheros rate control algorithm - */ - #include "core.h" -/* FIXME: remove this include! */ -#include "../net/mac80211/rate.h" static struct ath_rate_table ar5416_11na_ratetable = { 42, {0}, { - { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, 12, 0, 2, 1, 0, 0, 0, 0, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 9 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ 7800, 0x0f, 0x00, 18, 0, 3, 1, 1, 1, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */ 10000, 0x0a, 0x00, 24, 2, 4, 2, 2, 2, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */ 13900, 0x0e, 0x00, 36, 2, 6, 2, 3, 3, 3, 3, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */ 17300, 0x09, 0x00, 48, 4, 10, 3, 4, 4, 4, 4, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */ 23000, 0x0d, 0x00, 72, 4, 14, 3, 5, 5, 5, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */ 27400, 0x08, 0x00, 96, 4, 20, 3, 6, 6, 6, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 29300, 0x0c, 0x00, 108, 4, 23, 3, 7, 7, 7, 7, 0 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 6500, /* 6.5 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ 6400, 0x80, 0x00, 0, 0, 2, 3, 8, 24, 8, 24, 3216 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 13000, /* 13 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */ 12700, 0x81, 0x00, 1, 2, 4, 3, 9, 25, 9, 25, 6434 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 19500, /* 19.5 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */ 18800, 0x82, 0x00, 2, 2, 6, 3, 10, 26, 10, 26, 9650 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 26000, /* 26 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */ 25000, 0x83, 0x00, 3, 4, 10, 3, 11, 27, 11, 27, 12868 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 39000, /* 39 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */ 36700, 0x84, 0x00, 4, 4, 14, 3, 12, 28, 12, 28, 19304 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 52000, /* 52 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */ 48100, 0x85, 0x00, 5, 4, 20, 3, 13, 29, 13, 29, 25740 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 58500, /* 58.5 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */ 53500, 0x86, 0x00, 6, 4, 23, 3, 14, 30, 14, 30, 28956 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 65000, /* 65 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */ 59000, 0x87, 0x00, 7, 4, 25, 3, 15, 31, 15, 32, 32180 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 13000, /* 13 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */ 12700, 0x88, 0x00, 8, 0, 2, 3, 16, 33, 16, 33, 6430 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 26000, /* 26 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */ 24800, 0x89, 0x00, 9, 2, 4, 3, 17, 34, 17, 34, 12860 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 39000, /* 39 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */ 36600, 0x8a, 0x00, 10, 2, 6, 3, 18, 35, 18, 35, 19300 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 52000, /* 52 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */ 48100, 0x8b, 0x00, 11, 4, 10, 3, 19, 36, 19, 36, 25736 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 78000, /* 78 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */ 69500, 0x8c, 0x00, 12, 4, 14, 3, 20, 37, 20, 37, 38600 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 104000, /* 104 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */ 89500, 0x8d, 0x00, 13, 4, 20, 3, 21, 38, 21, 38, 51472 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 117000, /* 117 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */ 98900, 0x8e, 0x00, 14, 4, 23, 3, 22, 39, 22, 39, 57890 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 130000, /* 130 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */ 108300, 0x8f, 0x00, 15, 4, 25, 3, 23, 40, 23, 41, 64320 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 13500, /* 13.5 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */ 13200, 0x80, 0x00, 0, 0, 2, 3, 8, 24, 24, 24, 6684 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 27500, /* 27.0 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */ 25900, 0x81, 0x00, 1, 2, 4, 3, 9, 25, 25, 25, 13368 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 40500, /* 40.5 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */ 38600, 0x82, 0x00, 2, 2, 6, 3, 10, 26, 26, 26, 20052 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 54000, /* 54 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */ 49800, 0x83, 0x00, 3, 4, 10, 3, 11, 27, 27, 27, 26738 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 81500, /* 81 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */ 72200, 0x84, 0x00, 4, 4, 14, 3, 12, 28, 28, 28, 40104 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 108000, /* 108 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */ 92900, 0x85, 0x00, 5, 4, 20, 3, 13, 29, 29, 29, 53476 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 121500, /* 121.5 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */ 102700, 0x86, 0x00, 6, 4, 23, 3, 14, 30, 30, 30, 60156 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 135000, /* 135 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */ 112000, 0x87, 0x00, 7, 4, 25, 3, 15, 31, 32, 32, 66840 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ 122000, 0x87, 0x00, 7, 4, 25, 3, 15, 31, 32, 32, 74200 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 27000, /* 27 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */ 25800, 0x88, 0x00, 8, 0, 2, 3, 16, 33, 33, 33, 13360 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 54000, /* 54 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */ 49800, 0x89, 0x00, 9, 2, 4, 3, 17, 34, 34, 34, 26720 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 81000, /* 81 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */ 71900, 0x8a, 0x00, 10, 2, 6, 3, 18, 35, 35, 35, 40080 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 108000, /* 108 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */ 92500, 0x8b, 0x00, 11, 4, 10, 3, 19, 36, 36, 36, 53440 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 162000, /* 162 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */ 130300, 0x8c, 0x00, 12, 4, 14, 3, 20, 37, 37, 37, 80160 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 216000, /* 216 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */ 162800, 0x8d, 0x00, 13, 4, 20, 3, 21, 38, 38, 38, 106880 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 243000, /* 243 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */ 178200, 0x8e, 0x00, 14, 4, 23, 3, 22, 39, 39, 39, 120240 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 270000, /* 270 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */ 192100, 0x8f, 0x00, 15, 4, 25, 3, 23, 40, 41, 41, 133600 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ 207000, 0x8f, 0x00, 15, 4, 25, 3, 23, 40, 41, 41, 148400 }, }, @@ -159,10 +153,10 @@ static struct ath_rate_table ar5416_11na_ratetable = { WLAN_RC_HT_FLAG, /* Phy rates allowed initially */ }; -/* TRUE_ALL - valid for 20/40/Legacy, - * TRUE - Legacy only, - * TRUE_20 - HT 20 only, - * TRUE_40 - HT 40 only */ +/* VALID_ALL - valid for 20/40/Legacy, + * VALID - Legacy only, + * VALID_20 - HT 20 only, + * VALID_40 - HT 40 only */ /* 4ms frame limit not used for NG mode. The values filled * for HT are the 64K max aggregate limit */ @@ -171,142 +165,142 @@ static struct ath_rate_table ar5416_11ng_ratetable = { 46, {0}, { - { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 1000, /* 1 Mb */ + { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, 0, 0, 1, 0, 0, 0, 0, 0 }, - { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 2000, /* 2 Mb */ + { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */ 1900, 0x1a, 0x04, 4, 1, 1, 1, 1, 1, 1, 1, 0 }, - { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 5500, /* 5.5 Mb */ + { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */ 4900, 0x19, 0x04, 11, 2, 2, 2, 2, 2, 2, 2, 0 }, - { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 11000, /* 11 Mb */ + { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */ 8100, 0x18, 0x04, 22, 3, 3, 2, 3, 3, 3, 3, 0 }, - { FALSE, FALSE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, 12, 4, 2, 1, 4, 4, 4, 4, 0 }, - { FALSE, FALSE, WLAN_PHY_OFDM, 9000, /* 9 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ 7800, 0x0f, 0x00, 18, 4, 3, 1, 5, 5, 5, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */ 10100, 0x0a, 0x00, 24, 6, 4, 1, 6, 6, 6, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */ 14100, 0x0e, 0x00, 36, 6, 6, 2, 7, 7, 7, 7, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */ 17700, 0x09, 0x00, 48, 8, 10, 3, 8, 8, 8, 8, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */ 23700, 0x0d, 0x00, 72, 8, 14, 3, 9, 9, 9, 9, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */ 27400, 0x08, 0x00, 96, 8, 20, 3, 10, 10, 10, 10, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 30900, 0x0c, 0x00, 108, 8, 23, 3, 11, 11, 11, 11, 0 }, - { FALSE, FALSE, WLAN_PHY_HT_20_SS, 6500, /* 6.5 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ 6400, 0x80, 0x00, 0, 4, 2, 3, 12, 28, 12, 28, 3216 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 13000, /* 13 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */ 12700, 0x81, 0x00, 1, 6, 4, 3, 13, 29, 13, 29, 6434 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 19500, /* 19.5 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */ 18800, 0x82, 0x00, 2, 6, 6, 3, 14, 30, 14, 30, 9650 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 26000, /* 26 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */ 25000, 0x83, 0x00, 3, 8, 10, 3, 15, 31, 15, 31, 12868 }, - { TRUE_20, TRUE_20, WLAN_PHY_HT_20_SS, 39000, /* 39 Mb */ + { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */ 36700, 0x84, 0x00, 4, 8, 14, 3, 16, 32, 16, 32, 19304 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 52000, /* 52 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */ 48100, 0x85, 0x00, 5, 8, 20, 3, 17, 33, 17, 33, 25740 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 58500, /* 58.5 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */ 53500, 0x86, 0x00, 6, 8, 23, 3, 18, 34, 18, 34, 28956 }, - { FALSE, TRUE_20, WLAN_PHY_HT_20_SS, 65000, /* 65 Mb */ + { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */ 59000, 0x87, 0x00, 7, 8, 25, 3, 19, 35, 19, 36, 32180 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 13000, /* 13 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */ 12700, 0x88, 0x00, 8, 4, 2, 3, 20, 37, 20, 37, 6430 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 26000, /* 26 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */ 24800, 0x89, 0x00, 9, 6, 4, 3, 21, 38, 21, 38, 12860 }, - { FALSE, FALSE, WLAN_PHY_HT_20_DS, 39000, /* 39 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */ 36600, 0x8a, 0x00, 10, 6, 6, 3, 22, 39, 22, 39, 19300 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 52000, /* 52 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */ 48100, 0x8b, 0x00, 11, 8, 10, 3, 23, 40, 23, 40, 25736 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 78000, /* 78 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */ 69500, 0x8c, 0x00, 12, 8, 14, 3, 24, 41, 24, 41, 38600 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 104000, /* 104 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */ 89500, 0x8d, 0x00, 13, 8, 20, 3, 25, 42, 25, 42, 51472 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 117000, /* 117 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */ 98900, 0x8e, 0x00, 14, 8, 23, 3, 26, 43, 26, 44, 57890 }, - { TRUE_20, FALSE, WLAN_PHY_HT_20_DS, 130000, /* 130 Mb */ + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */ 108300, 0x8f, 0x00, 15, 8, 25, 3, 27, 44, 27, 45, 64320 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 13500, /* 13.5 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */ 13200, 0x80, 0x00, 0, 8, 2, 3, 12, 28, 28, 28, 6684 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 27500, /* 27.0 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */ 25900, 0x81, 0x00, 1, 8, 4, 3, 13, 29, 29, 29, 13368 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 40500, /* 40.5 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */ 38600, 0x82, 0x00, 2, 8, 6, 3, 14, 30, 30, 30, 20052 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 54000, /* 54 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */ 49800, 0x83, 0x00, 3, 8, 10, 3, 15, 31, 31, 31, 26738 }, - { TRUE_40, TRUE_40, WLAN_PHY_HT_40_SS, 81500, /* 81 Mb */ + { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */ 72200, 0x84, 0x00, 4, 8, 14, 3, 16, 32, 32, 32, 40104 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 108000, /* 108 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */ 92900, 0x85, 0x00, 5, 8, 20, 3, 17, 33, 33, 33, 53476 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 121500, /* 121.5 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */ 102700, 0x86, 0x00, 6, 8, 23, 3, 18, 34, 34, 34, 60156 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS, 135000, /* 135 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */ 112000, 0x87, 0x00, 7, 8, 23, 3, 19, 35, 36, 36, 66840 }, - { FALSE, TRUE_40, WLAN_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ + { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ 122000, 0x87, 0x00, 7, 8, 25, 3, 19, 35, 36, 36, 74200 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 27000, /* 27 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */ 25800, 0x88, 0x00, 8, 8, 2, 3, 20, 37, 37, 37, 13360 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 54000, /* 54 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */ 49800, 0x89, 0x00, 9, 8, 4, 3, 21, 38, 38, 38, 26720 }, - { FALSE, FALSE, WLAN_PHY_HT_40_DS, 81000, /* 81 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */ 71900, 0x8a, 0x00, 10, 8, 6, 3, 22, 39, 39, 39, 40080 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 108000, /* 108 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */ 92500, 0x8b, 0x00, 11, 8, 10, 3, 23, 40, 40, 40, 53440 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 162000, /* 162 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */ 130300, 0x8c, 0x00, 12, 8, 14, 3, 24, 41, 41, 41, 80160 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 216000, /* 216 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */ 162800, 0x8d, 0x00, 13, 8, 20, 3, 25, 42, 42, 42, 106880 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 243000, /* 243 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */ 178200, 0x8e, 0x00, 14, 8, 23, 3, 26, 43, 43, 43, 120240 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS, 270000, /* 270 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */ 192100, 0x8f, 0x00, 15, 8, 23, 3, 27, 44, 45, 45, 133600 }, - { TRUE_40, FALSE, WLAN_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ + { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ 207000, 0x8f, 0x00, 15, 8, 25, 3, 27, 44, 45, 45, 148400 }, }, @@ -319,28 +313,28 @@ static struct ath_rate_table ar5416_11a_ratetable = { 8, {0}, { - { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, (0x80|12), 0, 2, 1, 0, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 9000, /* 9 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ 7800, 0x0f, 0x00, 18, 0, 3, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */ 10000, 0x0a, 0x00, (0x80|24), 2, 4, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */ 13900, 0x0e, 0x00, 36, 2, 6, 2, 3, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */ 17300, 0x09, 0x00, (0x80|48), 4, 10, 3, 4, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */ 23000, 0x0d, 0x00, 72, 4, 14, 3, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */ 27400, 0x08, 0x00, 96, 4, 19, 3, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 29300, 0x0c, 0x00, 108, 4, 23, 3, 7, 0 }, }, @@ -353,40 +347,40 @@ static struct ath_rate_table ar5416_11g_ratetable = { 12, {0}, { - { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, 0, 0, 1, 0, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 2000, /* 2 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */ 1900, 0x1a, 0x04, 4, 1, 1, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 5500, /* 5.5 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */ 4900, 0x19, 0x04, 11, 2, 2, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 11000, /* 11 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */ 8100, 0x18, 0x04, 22, 3, 3, 2, 3, 0 }, - { FALSE, FALSE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, 12, 4, 2, 1, 4, 0 }, - { FALSE, FALSE, WLAN_PHY_OFDM, 9000, /* 9 Mb */ + { INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */ 7800, 0x0f, 0x00, 18, 4, 3, 1, 5, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 12000, /* 12 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */ 10000, 0x0a, 0x00, 24, 6, 4, 1, 6, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 18000, /* 18 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */ 13900, 0x0e, 0x00, 36, 6, 6, 2, 7, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 24000, /* 24 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */ 17300, 0x09, 0x00, 48, 8, 10, 3, 8, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 36000, /* 36 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */ 23000, 0x0d, 0x00, 72, 8, 14, 3, 9, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 48000, /* 48 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */ 27400, 0x08, 0x00, 96, 8, 19, 3, 10, 0 }, - { TRUE, TRUE, WLAN_PHY_OFDM, 54000, /* 54 Mb */ + { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 29300, 0x0c, 0x00, 108, 8, 23, 3, 11, 0 }, }, @@ -399,16 +393,16 @@ static struct ath_rate_table ar5416_11b_ratetable = { 4, {0}, { - { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, (0x80|2), 0, 0, 1, 0, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 2000, /* 2 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */ 1800, 0x1a, 0x04, (0x80|4), 1, 1, 1, 1, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 5500, /* 5.5 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */ 4300, 0x19, 0x04, (0x80|11), 1, 2, 2, 2, 0 }, - { TRUE, TRUE, WLAN_PHY_CCK, 11000, /* 11 Mb */ + { VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */ 7100, 0x18, 0x04, (0x80|22), 1, 4, 100, 3, 0 }, }, @@ -417,9 +411,6 @@ static struct ath_rate_table ar5416_11b_ratetable = { 0, /* Phy rates allowed initially */ }; -/* - * Return the median of three numbers - */ static inline int8_t median(int8_t a, int8_t b, int8_t c) { if (a >= b) { @@ -440,7 +431,7 @@ static inline int8_t median(int8_t a, int8_t b, int8_t c) } static void ath_rc_sort_validrates(struct ath_rate_table *rate_table, - struct ath_rate_node *ath_rc_priv) + struct ath_rate_priv *ath_rc_priv) { u8 i, j, idx, idx_next; @@ -458,34 +449,31 @@ static void ath_rc_sort_validrates(struct ath_rate_table *rate_table, } } -/* Access functions for valid_txrate_mask */ - -static void ath_rc_init_valid_txmask(struct ath_rate_node *ath_rc_priv) +static void ath_rc_init_valid_txmask(struct ath_rate_priv *ath_rc_priv) { u8 i; for (i = 0; i < ath_rc_priv->rate_table_size; i++) - ath_rc_priv->valid_rate_index[i] = FALSE; + ath_rc_priv->valid_rate_index[i] = 0; } -static inline void ath_rc_set_valid_txmask(struct ath_rate_node *ath_rc_priv, +static inline void ath_rc_set_valid_txmask(struct ath_rate_priv *ath_rc_priv, u8 index, int valid_tx_rate) { ASSERT(index <= ath_rc_priv->rate_table_size); - ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? TRUE : FALSE; + ath_rc_priv->valid_rate_index[index] = valid_tx_rate ? 1 : 0; } -static inline int ath_rc_isvalid_txmask(struct ath_rate_node *ath_rc_priv, +static inline int ath_rc_isvalid_txmask(struct ath_rate_priv *ath_rc_priv, u8 index) { ASSERT(index <= ath_rc_priv->rate_table_size); return ath_rc_priv->valid_rate_index[index]; } -/* Iterators for valid_txrate_mask */ static inline int ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table, - struct ath_rate_node *ath_rc_priv, + struct ath_rate_priv *ath_rc_priv, u8 cur_valid_txrate, u8 *next_idx) { @@ -494,13 +482,13 @@ ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table, for (i = 0; i < ath_rc_priv->max_valid_rate - 1; i++) { if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) { *next_idx = ath_rc_priv->valid_rate_index[i+1]; - return TRUE; + return 1; } } /* No more valid rates */ *next_idx = 0; - return FALSE; + return 0; } /* Return true only for single stream */ @@ -508,22 +496,22 @@ ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table, static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw) { if (WLAN_RC_PHY_HT(phy) & !(capflag & WLAN_RC_HT_FLAG)) - return FALSE; + return 0; if (WLAN_RC_PHY_DS(phy) && !(capflag & WLAN_RC_DS_FLAG)) - return FALSE; + return 0; if (WLAN_RC_PHY_SGI(phy) && !(capflag & WLAN_RC_SGI_FLAG)) - return FALSE; + return 0; if (!ignore_cw && WLAN_RC_PHY_HT(phy)) if (WLAN_RC_PHY_40(phy) && !(capflag & WLAN_RC_40_FLAG)) - return FALSE; + return 0; if (!WLAN_RC_PHY_40(phy) && (capflag & WLAN_RC_40_FLAG)) - return FALSE; - return TRUE; + return 0; + return 1; } static inline int ath_rc_get_nextlowervalid_txrate(struct ath_rate_table *rate_table, - struct ath_rate_node *ath_rc_priv, + struct ath_rate_priv *ath_rc_priv, u8 cur_valid_txrate, u8 *next_idx) { int8_t i; @@ -531,17 +519,14 @@ ath_rc_get_nextlowervalid_txrate(struct ath_rate_table *rate_table, for (i = 1; i < ath_rc_priv->max_valid_rate ; i++) { if (ath_rc_priv->valid_rate_index[i] == cur_valid_txrate) { *next_idx = ath_rc_priv->valid_rate_index[i-1]; - return TRUE; + return 1; } } - return FALSE; + return 0; } -/* - * Initialize the Valid Rate Index from valid entries in Rate Table - */ static u8 -ath_rc_sib_init_validrates(struct ath_rate_node *ath_rc_priv, +ath_rc_sib_init_validrates(struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, u32 capflag) { @@ -552,34 +537,30 @@ ath_rc_sib_init_validrates(struct ath_rate_node *ath_rc_priv, valid = (ath_rc_priv->single_stream ? rate_table->info[i].valid_single_stream : rate_table->info[i].valid); - if (valid == TRUE) { + if (valid == 1) { u32 phy = rate_table->info[i].phy; u8 valid_rate_count = 0; - if (!ath_rc_valid_phyrate(phy, capflag, FALSE)) + if (!ath_rc_valid_phyrate(phy, capflag, 0)) continue; valid_rate_count = ath_rc_priv->valid_phy_ratecnt[phy]; 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, TRUE); + ath_rc_set_valid_txmask(ath_rc_priv, i, 1); hi = A_MAX(hi, i); } } return hi; } -/* - * Initialize the Valid Rate Index from Rate Set - */ static u8 -ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv, +ath_rc_sib_setvalid_rates(struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, struct ath_rateset *rateset, u32 capflag) { - /* XXX: Clean me up and make identation friendly */ u8 i, j, hi = 0; /* Use intersection of working rates and valid rates */ @@ -592,10 +573,8 @@ ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv, /* We allow a rate only if its valid and the * capflag matches one of the validity - * (TRUE/TRUE_20/TRUE_40) flags */ + * (VALID/VALID_20/VALID_40) flags */ - /* XXX: catch the negative of this branch - * first and then continue */ if (((rateset->rs_rates[i] & 0x7F) == (rate_table->info[j].dot11rate & 0x7F)) && ((valid & WLAN_RC_CAP_MODE(capflag)) == @@ -604,7 +583,7 @@ ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv, u8 valid_rate_count = 0; - if (!ath_rc_valid_phyrate(phy, capflag, FALSE)) + if (!ath_rc_valid_phyrate(phy, capflag, 0)) continue; valid_rate_count = @@ -613,7 +592,7 @@ ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv, 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, TRUE); + ath_rc_set_valid_txmask(ath_rc_priv, j, 1); hi = A_MAX(hi, j); } } @@ -622,7 +601,7 @@ ath_rc_sib_setvalid_rates(struct ath_rate_node *ath_rc_priv, } static u8 -ath_rc_sib_setvalid_htrates(struct ath_rate_node *ath_rc_priv, +ath_rc_sib_setvalid_htrates(struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, u8 *mcs_set, u32 capflag) { @@ -643,13 +622,13 @@ ath_rc_sib_setvalid_htrates(struct ath_rate_node *ath_rc_priv, !WLAN_RC_PHY_HT_VALID(valid, capflag)) continue; - if (!ath_rc_valid_phyrate(phy, capflag, FALSE)) + if (!ath_rc_valid_phyrate(phy, capflag, 0)) continue; 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, TRUE); + ath_rc_set_valid_txmask(ath_rc_priv, j, 1); hi = A_MAX(hi, j); } } @@ -676,7 +655,7 @@ u8 ath_rate_findrateix(struct ath_softc *sc, } static u8 ath_rc_ratefind_ht(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, + struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, int probe_allowed, int *is_probing, int is_retry) @@ -685,7 +664,7 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, u8 rate, next_rate, best_rate, maxindex, minindex; int8_t rssi_last, rssi_reduce = 0, index = 0; - *is_probing = FALSE; + *is_probing = 0; rssi_last = median(ath_rc_priv->rssi_last, ath_rc_priv->rssi_last_prev, @@ -789,16 +768,10 @@ static u8 ath_rc_ratefind_ht(struct ath_softc *sc, ath_rc_priv->probe_rate = rate; ath_rc_priv->probe_time = now_msec; ath_rc_priv->hw_maxretry_pktcnt = 0; - *is_probing = TRUE; + *is_probing = 1; } } - /* - * Make sure rate is not higher than the allowed maximum. - * We should also enforce the min, but I suspect the min is - * normally 1 rather than 0 because of the rate 9 vs 6 issue - * in the old code. - */ if (rate > (ath_rc_priv->rate_table_size - 1)) rate = ath_rc_priv->rate_table_size - 1; @@ -829,7 +802,7 @@ static void ath_rc_rate_set_series(struct ath_rate_table *rate_table , } static u8 ath_rc_rate_getidx(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, + struct ath_rate_priv *ath_rc_priv, struct ath_rate_table *rate_table, u8 rix, u16 stepdown, u16 min_rate) @@ -858,8 +831,8 @@ static u8 ath_rc_rate_getidx(struct ath_softc *sc, } static void ath_rc_ratefind(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, - int num_tries, int num_rates, unsigned int rcflag, + struct ath_rate_priv *ath_rc_priv, + int num_tries, int num_rates, struct ieee80211_tx_info *tx_info, int *is_probe, int is_retry) { @@ -868,30 +841,29 @@ static void ath_rc_ratefind(struct ath_softc *sc, struct ieee80211_tx_rate *rates = tx_info->control.rates; rate_table = sc->hw_rate_table[sc->sc_curmode]; - rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, - (rcflag & ATH_RC_PROBE_ALLOWED) ? 1 : 0, + rix = ath_rc_ratefind_ht(sc, ath_rc_priv, rate_table, 1, is_probe, is_retry); nrix = rix; - if ((rcflag & ATH_RC_PROBE_ALLOWED) && (*is_probe)) { + if (*is_probe) { /* set one try for probe rates. For the * probes don't enable rts */ ath_rc_rate_set_series(rate_table, - &rates[i++], 1, nrix, FALSE); + &rates[i++], 1, nrix, 0); try_per_rate = (num_tries/num_rates); /* Get the next tried/allowed rate. No RTS for the next series * after the probe rate */ nrix = ath_rc_rate_getidx(sc, - ath_rc_priv, rate_table, nrix, 1, FALSE); + ath_rc_priv, rate_table, nrix, 1, 0); ath_rc_rate_set_series(rate_table, &rates[i++], try_per_rate, nrix, 0); } else { try_per_rate = (num_tries/num_rates); /* Set the choosen rate. No RTS for first series entry. */ ath_rc_rate_set_series(rate_table, - &rates[i++], try_per_rate, nrix, FALSE); + &rates[i++], try_per_rate, nrix, 0); } /* Fill in the other rates for multirate retry */ @@ -901,14 +873,13 @@ static void ath_rc_ratefind(struct ath_softc *sc, try_num = ((i + 1) == num_rates) ? num_tries - (try_per_rate * i) : try_per_rate ; - min_rate = (((i + 1) == num_rates) && - (rcflag & ATH_RC_MINRATE_LASTRATE)) ? 1 : 0; + min_rate = (((i + 1) == num_rates) && 0); nrix = ath_rc_rate_getidx(sc, ath_rc_priv, rate_table, nrix, 1, min_rate); /* All other rates in the series have RTS enabled */ ath_rc_rate_set_series(rate_table, - &rates[i], try_num, nrix, TRUE); + &rates[i], try_num, nrix, 1); } /* @@ -940,32 +911,13 @@ static void ath_rc_ratefind(struct ath_softc *sc, } } -/* - * Return the Tx rate series. - */ -static void ath_rate_findrate(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, - int num_tries, - int num_rates, - unsigned int rcflag, - struct ieee80211_tx_info *tx_info, - int *is_probe, - int is_retry) -{ - if (!num_rates || !num_tries) - return; - - ath_rc_ratefind(sc, ath_rc_priv, num_tries, num_rates, - rcflag, tx_info, is_probe, is_retry); -} - static void ath_rc_update_ht(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, - struct ath_tx_info_priv *info_priv, + struct ath_rate_priv *ath_rc_priv, + struct ath_tx_info_priv *tx_info_priv, int tx_rate, int xretries, int retries) { u32 now_msec = jiffies_to_msecs(jiffies); - int state_change = FALSE, rate, count; + int state_change = 0, rate, count; u8 last_per; struct ath_rate_table *rate_table = sc->hw_rate_table[sc->sc_curmode]; static u32 nretry_to_per_lookup[10] = { @@ -991,9 +943,9 @@ static void ath_rc_update_ht(struct ath_softc *sc, /* To compensate for some imbalance between ctrl and ext. channel */ if (WLAN_RC_PHY_40(rate_table->info[tx_rate].phy)) - info_priv->tx.ts_rssi = - info_priv->tx.ts_rssi < 3 ? 0 : - info_priv->tx.ts_rssi - 3; + tx_info_priv->tx.ts_rssi = + tx_info_priv->tx.ts_rssi < 3 ? 0 : + tx_info_priv->tx.ts_rssi - 3; last_per = ath_rc_priv->state[tx_rate].per; @@ -1026,7 +978,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, count = ARRAY_SIZE(nretry_to_per_lookup); if (retries >= count) retries = count - 1; - if (info_priv->n_bad_frames) { + if (tx_info_priv->n_bad_frames) { /* new_PER = 7/8*old_PER + 1/8*(currentPER) * Assuming that n_frames is not 0. The current PER * from the retries is 100 * retries / (retries+1), @@ -1039,14 +991,14 @@ static void ath_rc_update_ht(struct ath_softc *sc, * the above PER. The expression below is a * simplified version of the sum of these two terms. */ - if (info_priv->n_frames > 0) + if (tx_info_priv->n_frames > 0) ath_rc_priv->state[tx_rate].per = (u8) (ath_rc_priv->state[tx_rate].per - (ath_rc_priv->state[tx_rate].per >> 3) + - ((100*(retries*info_priv->n_frames + - info_priv->n_bad_frames) / - (info_priv->n_frames * + ((100*(retries*tx_info_priv->n_frames + + tx_info_priv->n_bad_frames) / + (tx_info_priv->n_frames * (retries+1))) >> 3)); } else { /* new_PER = 7/8*old_PER + 1/8*(currentPER) */ @@ -1059,7 +1011,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, ath_rc_priv->rssi_last_prev2 = ath_rc_priv->rssi_last_prev; ath_rc_priv->rssi_last_prev = ath_rc_priv->rssi_last; - ath_rc_priv->rssi_last = info_priv->tx.ts_rssi; + ath_rc_priv->rssi_last = tx_info_priv->tx.ts_rssi; ath_rc_priv->rssi_time = now_msec; /* @@ -1068,8 +1020,8 @@ static void ath_rc_update_ht(struct ath_softc *sc, */ if (ath_rc_priv->probe_rate && ath_rc_priv->probe_rate == tx_rate) { - if (retries > 0 || 2 * info_priv->n_bad_frames > - info_priv->n_frames) { + if (retries > 0 || 2 * tx_info_priv->n_bad_frames > + tx_info_priv->n_frames) { /* * Since we probed with just a single attempt, * any retries means the probe failed. Also, @@ -1121,7 +1073,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, ath_rc_priv->hw_maxretry_pktcnt++; } - if (info_priv->tx.ts_rssi >= + if (tx_info_priv->tx.ts_rssi >= rate_table->info[tx_rate].rssi_ack_validmin) { /* Average the rssi */ if (tx_rate != ath_rc_priv->rssi_sum_rate) { @@ -1130,7 +1082,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, ath_rc_priv->rssi_sum_cnt = 0; } - ath_rc_priv->rssi_sum += info_priv->tx.ts_rssi; + ath_rc_priv->rssi_sum += tx_info_priv->tx.ts_rssi; ath_rc_priv->rssi_sum_cnt++; if (ath_rc_priv->rssi_sum_cnt > 4) { @@ -1154,7 +1106,7 @@ static void ath_rc_update_ht(struct ath_softc *sc, rssi_thres--; } - state_change = TRUE; + state_change = 1; } } } @@ -1282,17 +1234,12 @@ static void ath_rc_update_ht(struct ath_softc *sc, } } -/* - * This routine is called in rate control callback tx_status() to give - * the status of previous frames. - */ -static void ath_rc_update(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, - struct ieee80211_tx_info *tx_info, int final_ts_idx, - int xretries, int long_retry) +static void ath_rc_tx_status(struct ath_softc *sc, + struct ath_rate_priv *ath_rc_priv, + struct ieee80211_tx_info *tx_info, + int final_ts_idx, int xretries, int long_retry) { - struct ath_tx_info_priv *info_priv = - (struct ath_tx_info_priv *)tx_info->rate_driver_data[0]; + struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info); struct ath_rate_table *rate_table; struct ieee80211_tx_rate *rates = tx_info->status.rates; u8 flags; @@ -1329,7 +1276,7 @@ static void ath_rc_update(struct ath_softc *sc, rix = rate_table->info[ rates[series].idx].base_index; ath_rc_update_ht(sc, ath_rc_priv, - info_priv, rix, + tx_info_priv, rix, xretries ? 1 : 2, rates[series].count); } @@ -1361,55 +1308,12 @@ static void ath_rc_update(struct ath_softc *sc, else rix = rate_table->info[rates[series].idx].base_index; - ath_rc_update_ht(sc, ath_rc_priv, info_priv, rix, + ath_rc_update_ht(sc, ath_rc_priv, tx_info_priv, rix, xretries, long_retry); } -/* - * Process a tx descriptor for a completed transmit (success or failure). - */ -static void ath_rate_tx_complete(struct ath_softc *sc, - struct ath_node *an, - struct ath_rate_node *rc_priv, - struct ieee80211_tx_info *tx_info) -{ - struct ath_tx_info_priv *info_priv = - (struct ath_tx_info_priv *)tx_info->rate_driver_data[0]; - int final_ts_idx = info_priv->tx.ts_rateindex; - int tx_status = 0, is_underrun = 0; - - if (info_priv->tx.ts_status & ATH9K_TXERR_FILT) - return; - - if (info_priv->tx.ts_rssi > 0) { - ATH_RSSI_LPF(an->an_chainmask_sel.tx_avgrssi, - info_priv->tx.ts_rssi); - } - - /* - * If underrun error is seen assume it as an excessive retry only - * if prefetch trigger level have reached the max (0x3f for 5416) - * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY - * times. This affects how ratectrl updates PER for the failed rate. - */ - if (info_priv->tx.ts_flags & - (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) && - ((sc->sc_ah->ah_txTrigLevel) >= rc_priv->tx_triglevel_max)) { - tx_status = 1; - is_underrun = 1; - } - - if ((info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) || - (info_priv->tx.ts_status & ATH9K_TXERR_FIFO)) - tx_status = 1; - - ath_rc_update(sc, rc_priv, tx_info, final_ts_idx, tx_status, - (is_underrun) ? ATH_11N_TXMAXTRY : - info_priv->tx.ts_longretry); -} - static void ath_rc_init(struct ath_softc *sc, - struct ath_rate_node *ath_rc_priv, + struct ath_rate_priv *ath_rc_priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta) { @@ -1427,13 +1331,14 @@ static void ath_rc_init(struct ath_softc *sc, rate_table = sc->hw_rate_table[ATH9K_MODE_11NA_HT20]; ath_rc_priv->ht_cap = (WLAN_RC_HT_FLAG | WLAN_RC_DS_FLAG); + if (sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40) ath_rc_priv->ht_cap |= WLAN_RC_40_FLAG; } /* Initial rate table size. Will change depending * on the working rate set */ - ath_rc_priv->rate_table_size = MAX_TX_RATE_TBL; + ath_rc_priv->rate_table_size = RATE_TABLE_SIZE; /* Initialize thresholds according to the global rate table */ for (i = 0 ; i < ath_rc_priv->rate_table_size; i++) { @@ -1474,7 +1379,7 @@ static void ath_rc_init(struct ath_softc *sc, ath_rc_priv->rate_table_size = hi + 1; ath_rc_priv->rate_max_phy = 0; - ASSERT(ath_rc_priv->rate_table_size <= MAX_TX_RATE_TBL); + ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE); for (i = 0, k = 0; i < WLAN_RC_PHY_MAX; i++) { for (j = 0; j < ath_rc_priv->valid_phy_ratecnt[i]; j++) { @@ -1482,21 +1387,16 @@ static void ath_rc_init(struct ath_softc *sc, ath_rc_priv->valid_phy_rateidx[i][j]; } - if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, TRUE) + if (!ath_rc_valid_phyrate(i, rate_table->initial_ratemax, 1) || !ath_rc_priv->valid_phy_ratecnt[i]) continue; ath_rc_priv->rate_max_phy = ath_rc_priv->valid_phy_rateidx[i][j-1]; } - ASSERT(ath_rc_priv->rate_table_size <= MAX_TX_RATE_TBL); - ASSERT(k <= MAX_TX_RATE_TBL); + ASSERT(ath_rc_priv->rate_table_size <= RATE_TABLE_SIZE); + ASSERT(k <= RATE_TABLE_SIZE); ath_rc_priv->max_valid_rate = k; - /* - * Some third party vendors don't send the supported rate series in - * order. So sorting to make sure its in order, otherwise our RateFind - * Algo will select wrong rates - */ ath_rc_sort_validrates(rate_table, ath_rc_priv); ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4]; } @@ -1507,24 +1407,53 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband, struct sk_buff *skb) { struct ath_softc *sc = priv; - struct ath_tx_info_priv *tx_info_priv; + struct ath_rate_priv *ath_rc_priv = priv_sta; + struct ath_tx_info_priv *tx_info_priv = NULL; struct ath_node *an; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr; + int final_ts_idx, tx_status = 0, is_underrun = 0; __le16 fc; hdr = (struct ieee80211_hdr *)skb->data; fc = hdr->frame_control; - tx_info_priv = (struct ath_tx_info_priv *)tx_info->rate_driver_data[0]; - + tx_info_priv = ATH_TX_INFO_PRIV(tx_info); an = (struct ath_node *)sta->drv_priv; + final_ts_idx = tx_info_priv->tx.ts_rateindex; - if (tx_info_priv == NULL) - return; + if (!an || !priv_sta || !ieee80211_is_data(fc)) + goto exit; - if (an && priv_sta && ieee80211_is_data(fc)) - ath_rate_tx_complete(sc, an, priv_sta, tx_info); + if (tx_info_priv->tx.ts_status & ATH9K_TXERR_FILT) + goto exit; + if (tx_info_priv->tx.ts_rssi > 0) { + ATH_RSSI_LPF(an->an_chainmask_sel.tx_avgrssi, + tx_info_priv->tx.ts_rssi); + } + + /* + * If underrun error is seen assume it as an excessive retry only + * if prefetch trigger level have reached the max (0x3f for 5416) + * Adjust the long retry as if the frame was tried ATH_11N_TXMAXTRY + * times. This affects how ratectrl updates PER for the failed rate. + */ + if (tx_info_priv->tx.ts_flags & + (ATH9K_TX_DATA_UNDERRUN | ATH9K_TX_DELIM_UNDERRUN) && + ((sc->sc_ah->ah_txTrigLevel) >= ath_rc_priv->tx_triglevel_max)) { + tx_status = 1; + is_underrun = 1; + } + + if ((tx_info_priv->tx.ts_status & ATH9K_TXERR_XRETRY) || + (tx_info_priv->tx.ts_status & ATH9K_TXERR_FIFO)) + tx_status = 1; + + ath_rc_tx_status(sc, ath_rc_priv, tx_info, final_ts_idx, tx_status, + (is_underrun) ? ATH_11N_TXMAXTRY : + tx_info_priv->tx.ts_longretry); + +exit: kfree(tx_info_priv); } @@ -1536,12 +1465,10 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct ath_softc *sc = priv; struct ieee80211_hw *hw = sc->hw; - struct ath_rate_node *ath_rc_priv = priv_sta; - struct ath_node *an; + struct ath_rate_priv *ath_rc_priv = priv_sta; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - int is_probe = FALSE; + int is_probe = 0; __le16 fc = hdr->frame_control; - u8 *qc, tid; /* lowest rate for management and multicast/broadcast frames */ if (!ieee80211_is_data(fc) || is_multicast_ether_addr(hdr->addr1)) { @@ -1552,16 +1479,15 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, } /* Find tx rate for unicast frames */ - ath_rate_findrate(sc, ath_rc_priv, - ATH_11N_TXMAXTRY, 4, - ATH_RC_PROBE_ALLOWED, - tx_info, - &is_probe, - false); + ath_rc_ratefind(sc, ath_rc_priv, ATH_11N_TXMAXTRY, 4, + tx_info, &is_probe, false); /* Check if aggregation has to be enabled for this tid */ if (hw->conf.ht.enabled) { if (ieee80211_is_data_qos(fc)) { + u8 *qc, tid; + struct ath_node *an; + qc = ieee80211_get_qos_ctl(hdr); tid = qc[0] & 0xf; an = (struct ath_node *)sta->drv_priv; @@ -1576,7 +1502,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, struct ieee80211_sta *sta, void *priv_sta) { struct ath_softc *sc = priv; - struct ath_rate_node *ath_rc_priv = priv_sta; + struct ath_rate_priv *ath_rc_priv = priv_sta; int i, j = 0; for (i = 0; i < sband->n_bitrates; i++) { @@ -1614,9 +1540,9 @@ static void ath_rate_free(void *priv) static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp) { struct ath_softc *sc = priv; - struct ath_rate_node *rate_priv; + struct ath_rate_priv *rate_priv; - rate_priv = kzalloc(sizeof(struct ath_rate_node), gfp); + rate_priv = kzalloc(sizeof(struct ath_rate_priv), gfp); if (!rate_priv) { DPRINTF(sc, ATH_DBG_FATAL, "%s: Unable to allocate private rc structure\n", @@ -1633,7 +1559,7 @@ static void *ath_rate_alloc_sta(void *priv, struct ieee80211_sta *sta, gfp_t gfp static void ath_rate_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta) { - struct ath_rate_node *rate_priv = priv_sta; + struct ath_rate_priv *rate_priv = priv_sta; kfree(rate_priv); } diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h index c1e370c7c68..dff4b7ade3d 100644 --- a/drivers/net/wireless/ath9k/rc.h +++ b/drivers/net/wireless/ath9k/rc.h @@ -20,73 +20,19 @@ #define RC_H #include "ath9k.h" -/* - * Interface definitions for transmit rate control modules for the - * Atheros driver. - * - * A rate control module is responsible for choosing the transmit rate - * for each data frame. Management+control frames are always sent at - * a fixed rate. - * - * Only one module may be present at a time; the driver references - * rate control interfaces by symbol name. If multiple modules are - * to be supported we'll need to switch to a registration-based scheme - * as is currently done, for example, for authentication modules. - * - * An instance of the rate control module is attached to each device - * at attach time and detached when the device is destroyed. The module - * may associate data with each device and each node (station). Both - * sets of storage are opaque except for the size of the per-node storage - * which must be provided when the module is attached. - * - * The rate control module is notified for each state transition and - * station association/reassociation. Otherwise it is queried for a - * rate for each outgoing frame and provided status from each transmitted - * frame. Any ancillary processing is the responsibility of the module - * (e.g. if periodic processing is required then the module should setup - * it's own timer). - * - * In addition to the transmit rate for each frame the module must also - * indicate the number of attempts to make at the specified rate. If this - * number is != ATH_TXMAXTRY then an additional callback is made to setup - * additional transmit state. The rate control code is assumed to write - * this additional data directly to the transmit descriptor. - */ struct ath_softc; -#define TRUE 1 -#define FALSE 0 - -#define ATH_RATE_MAX 30 - -#define WLAN_PHY_HT_20_SS WLAN_RC_PHY_HT_20_SS -#define WLAN_PHY_HT_20_DS WLAN_RC_PHY_HT_20_DS -#define WLAN_PHY_HT_20_DS_HGI WLAN_RC_PHY_HT_20_DS_HGI -#define WLAN_PHY_HT_40_SS WLAN_RC_PHY_HT_40_SS -#define WLAN_PHY_HT_40_SS_HGI WLAN_RC_PHY_HT_40_SS_HGI -#define WLAN_PHY_HT_40_DS WLAN_RC_PHY_HT_40_DS -#define WLAN_PHY_HT_40_DS_HGI WLAN_RC_PHY_HT_40_DS_HGI - -#define WLAN_PHY_OFDM PHY_OFDM -#define WLAN_PHY_CCK PHY_CCK +#define ATH_RATE_MAX 30 +#define RATE_TABLE_SIZE 64 +#define MAX_TX_RATE_PHY 48 -#define TRUE_20 0x2 -#define TRUE_40 0x4 -#define TRUE_2040 (TRUE_20|TRUE_40) -#define TRUE_ALL (TRUE_2040|TRUE) - -enum { - WLAN_RC_PHY_HT_20_SS = 4, - WLAN_RC_PHY_HT_20_DS, - WLAN_RC_PHY_HT_40_SS, - WLAN_RC_PHY_HT_40_DS, - WLAN_RC_PHY_HT_20_SS_HGI, - WLAN_RC_PHY_HT_20_DS_HGI, - WLAN_RC_PHY_HT_40_SS_HGI, - WLAN_RC_PHY_HT_40_DS_HGI, - WLAN_RC_PHY_MAX -}; +#define INVALID 0x0 +#define VALID 0x1 +#define VALID_20 0x2 +#define VALID_40 0x4 +#define VALID_2040 (VALID_20|VALID_40) +#define VALID_ALL (VALID_2040|VALID) #define WLAN_RC_PHY_DS(_phy) ((_phy == WLAN_RC_PHY_HT_20_DS) \ || (_phy == WLAN_RC_PHY_HT_40_DS) \ @@ -103,26 +49,22 @@ enum { #define WLAN_RC_PHY_HT(_phy) (_phy >= WLAN_RC_PHY_HT_20_SS) -/* Returns the capflag mode */ #define WLAN_RC_CAP_MODE(capflag) (((capflag & WLAN_RC_HT_FLAG) ? \ - (capflag & WLAN_RC_40_FLAG) ? TRUE_40 : TRUE_20 : TRUE)) + (capflag & WLAN_RC_40_FLAG) ? VALID_40 : VALID_20 : VALID)) /* Return TRUE if flag supports HT20 && client supports HT20 or * return TRUE if flag supports HT40 && client supports HT40. * This is used becos some rates overlap between HT20/HT40. */ - -#define WLAN_RC_PHY_HT_VALID(flag, capflag) (((flag & TRUE_20) && !(capflag \ - & WLAN_RC_40_FLAG)) || ((flag & TRUE_40) && \ - (capflag & WLAN_RC_40_FLAG))) +#define WLAN_RC_PHY_HT_VALID(flag, capflag) \ + (((flag & VALID_20) && !(capflag & WLAN_RC_40_FLAG)) || \ + ((flag & VALID_40) && (capflag & WLAN_RC_40_FLAG))) #define WLAN_RC_DS_FLAG (0x01) #define WLAN_RC_40_FLAG (0x02) #define WLAN_RC_SGI_FLAG (0x04) #define WLAN_RC_HT_FLAG (0x08) -#define RATE_TABLE_SIZE 64 - /** * struct ath_rate_table - Rate Control table * @valid: valid for use in rate control @@ -139,7 +81,7 @@ enum { * @max_4ms_framelen: maximum frame length(bytes) for tx duration * @probe_interval: interval for rate control to probe for other rates * @rssi_reduce_interval: interval for rate control to reduce rssi - * @initial_ratemax: initial ratemax value used in ath_rc_sib_update() + * @initial_ratemax: initial ratemax value */ struct ath_rate_table { int rate_cnt; @@ -169,15 +111,6 @@ struct ath_rate_table { u8 initial_ratemax; }; -#define ATH_RC_PROBE_ALLOWED 0x00000001 -#define ATH_RC_MINRATE_LASTRATE 0x00000002 - -/* - * State structures for new rate adaptation code - */ -#define MAX_TX_RATE_TBL 64 -#define MAX_TX_RATE_PHY 48 - struct ath_tx_ratectrl_state { int8_t rssi_thres; /* required rssi for this rate (dB) */ u8 per; /* recent estimate of packet error rate (%) */ @@ -189,7 +122,7 @@ struct ath_rateset { }; /** - * struct ath_rate_node - Rate Control priv data + * struct ath_rate_priv - Rate Control priv data * @state: RC state * @rssi_last: last ACK rssi * @rssi_last_lookup: last ACK rssi used for lookup @@ -214,9 +147,7 @@ struct ath_rateset { * @neg_rates: Negotatied rates * @neg_ht_rates: Negotiated HT rates */ - -/* per-node state */ -struct ath_rate_node { +struct ath_rate_priv { int8_t rssi_last; int8_t rssi_last_lookup; int8_t rssi_last_prev; @@ -228,11 +159,11 @@ struct ath_rate_node { u8 probe_rate; u8 hw_maxretry_pktcnt; u8 max_valid_rate; - u8 valid_rate_index[MAX_TX_RATE_TBL]; + u8 valid_rate_index[RATE_TABLE_SIZE]; u8 ht_cap; u8 single_stream; u8 valid_phy_ratecnt[WLAN_RC_PHY_MAX]; - u8 valid_phy_rateidx[WLAN_RC_PHY_MAX][MAX_TX_RATE_TBL]; + u8 valid_phy_rateidx[WLAN_RC_PHY_MAX][RATE_TABLE_SIZE]; u8 rc_phy_mode; u8 rate_max_phy; u32 rssi_time; @@ -242,7 +173,7 @@ struct ath_rate_node { u32 probe_interval; u32 prev_data_rix; u32 tx_triglevel_max; - struct ath_tx_ratectrl_state state[MAX_TX_RATE_TBL]; + struct ath_tx_ratectrl_state state[RATE_TABLE_SIZE]; struct ath_rateset neg_rates; struct ath_rateset neg_ht_rates; struct ath_rate_softc *asc; @@ -254,6 +185,9 @@ struct ath_tx_info_priv { int n_bad_frames; }; +#define ATH_TX_INFO_PRIV(tx_info) \ + ((struct ath_tx_info_priv *)((tx_info)->rate_driver_data[0])) + 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); diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c index b2d0cca6f4a..93317ce9ac8 100644 --- a/drivers/net/wireless/ath9k/xmit.c +++ b/drivers/net/wireless/ath9k/xmit.c @@ -536,7 +536,7 @@ static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf) * just CTS. Note that this is only done for OFDM/HT unicast frames. */ if (sc->sc_protmode != PROT_M_NONE && !(bf->bf_flags & ATH9K_TXDESC_NOACK) - && (rt->info[rix].phy == WLAN_PHY_OFDM || + && (rt->info[rix].phy == WLAN_RC_PHY_OFDM || WLAN_RC_PHY_HT(rt->info[rix].phy))) { if (sc->sc_protmode == PROT_M_RTSCTS) flags = ATH9K_TXDESC_RTSENA; |