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-rw-r--r--drivers/net/wireless/ath/ath9k/Kconfig13
-rw-r--r--drivers/net/wireless/ath/ath9k/Makefile2
-rw-r--r--drivers/net/wireless/ath/ath9k/ath9k.h10
-rw-r--r--drivers/net/wireless/ath/ath9k/beacon.c24
-rw-r--r--drivers/net/wireless/ath/ath9k/common.c26
-rw-r--r--drivers/net/wireless/ath/ath9k/common.h3
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.c20
-rw-r--r--drivers/net/wireless/ath/ath9k/debug.h11
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c38
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.h7
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.c38
-rw-r--r--drivers/net/wireless/ath/ath9k/mac.h15
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c172
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.c433
-rw-r--r--drivers/net/wireless/ath/ath9k/rc.h5
-rw-r--r--drivers/net/wireless/ath/ath9k/reg.h15
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c140
17 files changed, 503 insertions, 469 deletions
diff --git a/drivers/net/wireless/ath/ath9k/Kconfig b/drivers/net/wireless/ath/ath9k/Kconfig
index 006364f76bb..03a1106ad72 100644
--- a/drivers/net/wireless/ath/ath9k/Kconfig
+++ b/drivers/net/wireless/ath/ath9k/Kconfig
@@ -23,17 +23,12 @@ config ATH9K
If you choose to build a module, it'll be called ath9k.
-if ATH_DEBUG
-
-config ATH9K_DEBUG
+config ATH9K_DEBUGFS
bool "Atheros ath9k debugging"
depends on ATH9K
---help---
- Say Y, if you need ath9k to display debug messages.
- Pass the debug mask as a module parameter:
-
- modprobe ath9k debug=0x00000200
+ Say Y, if you need access to ath9k's statistics for
+ interrupts, rate control, etc.
- Look in ath9k/debug.h for possible debug masks
+ Also required for changing debug message flags at run time.
-endif # ATH_DEBUG
diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile
index e53f9680a38..4985b2b1b0a 100644
--- a/drivers/net/wireless/ath/ath9k/Makefile
+++ b/drivers/net/wireless/ath/ath9k/Makefile
@@ -7,7 +7,7 @@ ath9k-y += beacon.o \
ath9k-$(CONFIG_PCI) += pci.o
ath9k-$(CONFIG_ATHEROS_AR71XX) += ahb.o
-ath9k-$(CONFIG_ATH9K_DEBUG) += debug.o
+ath9k-$(CONFIG_ATH9K_DEBUGFS) += debug.o
obj-$(CONFIG_ATH9K) += ath9k.o
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 2a40fa2cd91..e2cef2ff5d8 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -21,7 +21,6 @@
#include <linux/device.h>
#include <linux/leds.h>
-#include "rc.h"
#include "debug.h"
#include "common.h"
@@ -330,6 +329,7 @@ void ath_beacon_tasklet(unsigned long data);
void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif);
int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif);
void ath_beacon_return(struct ath_softc *sc, struct ath_vif *avp);
+int ath_beaconq_config(struct ath_softc *sc);
/*******/
/* ANI */
@@ -421,8 +421,11 @@ struct ath_led {
#define SC_OP_WAIT_FOR_TX_ACK BIT(18)
#define SC_OP_BEACON_SYNC BIT(19)
#define SC_OP_BT_PRIORITY_DETECTED BIT(21)
+#define SC_OP_NULLFUNC_COMPLETED BIT(22)
+#define SC_OP_PS_ENABLED BIT(23)
struct ath_wiphy;
+struct ath_rate_table;
struct ath_softc {
struct ieee80211_hw *hw;
@@ -467,9 +470,8 @@ struct ath_softc {
struct ath_rx rx;
struct ath_tx tx;
struct ath_beacon beacon;
- struct ieee80211_rate rates[IEEE80211_NUM_BANDS][ATH_RATE_MAX];
- const struct ath_rate_table *hw_rate_table[ATH9K_MODE_MAX];
const struct ath_rate_table *cur_rate_table;
+ enum wireless_mode cur_rate_mode;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath_led radio_led;
@@ -484,7 +486,7 @@ struct ath_softc {
int beacon_interval;
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
struct ath9k_debug debug;
#endif
struct ath_beacon_config cur_beacon_conf;
diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c
index b10c884f293..1660ef17aaf 100644
--- a/drivers/net/wireless/ath/ath9k/beacon.c
+++ b/drivers/net/wireless/ath/ath9k/beacon.c
@@ -23,11 +23,12 @@
* the operating mode of the station (AP or AdHoc). Parameters are AIFS
* settings and channel width min/max
*/
-static int ath_beaconq_config(struct ath_softc *sc)
+int ath_beaconq_config(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
- struct ath9k_tx_queue_info qi;
+ struct ath9k_tx_queue_info qi, qi_be;
+ int qnum;
ath9k_hw_get_txq_props(ah, sc->beacon.beaconq, &qi);
if (sc->sc_ah->opmode == NL80211_IFTYPE_AP) {
@@ -37,9 +38,12 @@ static int ath_beaconq_config(struct ath_softc *sc)
qi.tqi_cwmax = 0;
} else {
/* Adhoc mode; important thing is to use 2x cwmin. */
- qi.tqi_aifs = sc->beacon.beacon_qi.tqi_aifs;
- qi.tqi_cwmin = 2*sc->beacon.beacon_qi.tqi_cwmin;
- qi.tqi_cwmax = sc->beacon.beacon_qi.tqi_cwmax;
+ qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA,
+ ATH9K_WME_AC_BE);
+ ath9k_hw_get_txq_props(ah, qnum, &qi_be);
+ qi.tqi_aifs = qi_be.tqi_aifs;
+ qi.tqi_cwmin = 4*qi_be.tqi_cwmin;
+ qi.tqi_cwmax = qi_be.tqi_cwmax;
}
if (!ath9k_hw_set_txq_props(ah, sc->beacon.beaconq, &qi)) {
@@ -65,9 +69,9 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
struct ath_common *common = ath9k_hw_common(ah);
struct ath_desc *ds;
struct ath9k_11n_rate_series series[4];
- const struct ath_rate_table *rt;
int flags, antenna, ctsrate = 0, ctsduration = 0;
- u8 rate;
+ struct ieee80211_supported_band *sband;
+ u8 rate = 0;
ds = bf->bf_desc;
flags = ATH9K_TXDESC_NOACK;
@@ -91,10 +95,10 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
ds->ds_data = bf->bf_buf_addr;
- rt = sc->cur_rate_table;
- rate = rt->info[0].ratecode;
+ sband = &sc->sbands[common->hw->conf.channel->band];
+ rate = sband->bitrates[0].hw_value;
if (sc->sc_flags & SC_OP_PREAMBLE_SHORT)
- rate |= rt->info[0].short_preamble;
+ rate |= sband->bitrates[0].hw_value_short;
ath9k_hw_set11n_txdesc(ah, ds, skb->len + FCS_LEN,
ATH9K_PKT_TYPE_BEACON,
diff --git a/drivers/net/wireless/ath/ath9k/common.c b/drivers/net/wireless/ath/ath9k/common.c
index 4a13632e3e4..4d775ae141d 100644
--- a/drivers/net/wireless/ath/ath9k/common.c
+++ b/drivers/net/wireless/ath/ath9k/common.c
@@ -181,8 +181,6 @@ static void ath9k_process_rssi(struct ath_common *common,
ATH_RSSI_EP_MULTIPLIER);
if (rx_stats->rs_rssi < 0)
rx_stats->rs_rssi = 0;
- else if (rx_stats->rs_rssi > 127)
- rx_stats->rs_rssi = 127;
/* Update Beacon RSSI, this is used by ANI. */
if (ieee80211_is_beacon(fc))
@@ -238,16 +236,8 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
/* see if any padding is done by the hw and remove it */
hdr = (struct ieee80211_hdr *) skb->data;
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- padpos = 24;
fc = hdr->frame_control;
- if ((fc & cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) ==
- cpu_to_le16(IEEE80211_FCTL_FROMDS|IEEE80211_FCTL_TODS)) {
- padpos += 6; /* ETH_ALEN */
- }
- if ((fc & cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FCTL_FTYPE)) ==
- cpu_to_le16(IEEE80211_STYPE_QOS_DATA|IEEE80211_FTYPE_DATA)) {
- padpos += 2;
- }
+ padpos = ath9k_cmn_padpos(hdr->frame_control);
/* The MAC header is padded to have 32-bit boundary if the
* packet payload is non-zero. The general calculation for
@@ -282,6 +272,20 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
}
EXPORT_SYMBOL(ath9k_cmn_rx_skb_postprocess);
+int ath9k_cmn_padpos(__le16 frame_control)
+{
+ int padpos = 24;
+ if (ieee80211_has_a4(frame_control)) {
+ padpos += ETH_ALEN;
+ }
+ if (ieee80211_is_data_qos(frame_control)) {
+ padpos += IEEE80211_QOS_CTL_LEN;
+ }
+
+ return padpos;
+}
+EXPORT_SYMBOL(ath9k_cmn_padpos);
+
static int __init ath9k_cmn_init(void)
{
return 0;
diff --git a/drivers/net/wireless/ath/ath9k/common.h b/drivers/net/wireless/ath/ath9k/common.h
index 4e117602935..042999c2fe9 100644
--- a/drivers/net/wireless/ath/ath9k/common.h
+++ b/drivers/net/wireless/ath/ath9k/common.h
@@ -78,6 +78,7 @@ struct ath_buf {
dma_addr_t bf_daddr; /* physical addr of desc */
dma_addr_t bf_buf_addr; /* physical addr of data buffer */
bool bf_stale;
+ bool bf_isnullfunc;
u16 bf_flags;
struct ath_buf_state bf_state;
dma_addr_t bf_dmacontext;
@@ -122,3 +123,5 @@ void ath9k_cmn_rx_skb_postprocess(struct ath_common *common,
struct ath_rx_status *rx_stats,
struct ieee80211_rx_status *rxs,
bool decrypt_error);
+
+int ath9k_cmn_padpos(__le16 frame_control);
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 06f1fcfb03e..b66f72dbf7b 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -31,6 +31,8 @@ static int ath9k_debugfs_open(struct inode *inode, struct file *file)
return 0;
}
+#ifdef CONFIG_ATH_DEBUG
+
static ssize_t read_file_debug(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -71,6 +73,8 @@ static const struct file_operations fops_debug = {
.owner = THIS_MODULE
};
+#endif
+
static ssize_t read_file_dma(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@@ -255,21 +259,11 @@ static const struct file_operations fops_interrupt = {
.owner = THIS_MODULE
};
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb)
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate)
{
- struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
- struct ieee80211_tx_rate *rates = tx_info->status.rates;
- int final_ts_idx = 0, idx, i;
struct ath_rc_stats *stats;
- for (i = 0; i < IEEE80211_TX_MAX_RATES; i++) {
- if (!rates[i].count)
- break;
-
- final_ts_idx = i;
- }
- idx = rates[final_ts_idx].idx;
- stats = &sc->debug.stats.rcstats[idx];
+ stats = &sc->debug.stats.rcstats[final_rate];
stats->success++;
}
@@ -573,10 +567,12 @@ int ath9k_init_debug(struct ath_hw *ah)
if (!sc->debug.debugfs_phy)
goto err;
+#ifdef CONFIG_ATH_DEBUG
sc->debug.debugfs_debug = debugfs_create_file("debug",
S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_debug);
if (!sc->debug.debugfs_debug)
goto err;
+#endif
sc->debug.debugfs_dma = debugfs_create_file("dma", S_IRUSR,
sc->debug.debugfs_phy, sc, &fops_dma);
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index 749e85d5755..536663e3ee1 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -18,17 +18,18 @@
#define DEBUG_H
#include "hw.h"
+#include "rc.h"
struct ath_txq;
struct ath_buf;
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
#define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
#else
#define TX_STAT_INC(q, c) do { } while (0)
#endif
-#ifdef CONFIG_ATH9K_DEBUG
+#ifdef CONFIG_ATH9K_DEBUGFS
/**
* struct ath_interrupt_stats - Contains statistics about interrupts
@@ -138,7 +139,7 @@ void ath9k_exit_debug(struct ath_hw *ah);
int ath9k_debug_create_root(void);
void ath9k_debug_remove_root(void);
void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status);
-void ath_debug_stat_rc(struct ath_softc *sc, struct sk_buff *skb);
+void ath_debug_stat_rc(struct ath_softc *sc, int final_rate);
void ath_debug_stat_tx(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf);
void ath_debug_stat_retries(struct ath_softc *sc, int rix,
@@ -170,7 +171,7 @@ static inline void ath_debug_stat_interrupt(struct ath_softc *sc,
}
static inline void ath_debug_stat_rc(struct ath_softc *sc,
- struct sk_buff *skb)
+ int final_rate)
{
}
@@ -185,6 +186,6 @@ static inline void ath_debug_stat_retries(struct ath_softc *sc, int rix,
{
}
-#endif /* CONFIG_ATH9K_DEBUG */
+#endif /* CONFIG_ATH9K_DEBUGFS */
#endif /* DEBUG_H */
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 53a7b980d8f..2ec61f08cfd 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -148,22 +148,19 @@ bool ath9k_get_channel_edges(struct ath_hw *ah,
}
u16 ath9k_hw_computetxtime(struct ath_hw *ah,
- const struct ath_rate_table *rates,
+ u8 phy, int kbps,
u32 frameLen, u16 rateix,
bool shortPreamble)
{
u32 bitsPerSymbol, numBits, numSymbols, phyTime, txTime;
- u32 kbps;
-
- kbps = rates->info[rateix].ratekbps;
if (kbps == 0)
return 0;
- switch (rates->info[rateix].phy) {
+ switch (phy) {
case WLAN_RC_PHY_CCK:
phyTime = CCK_PREAMBLE_BITS + CCK_PLCP_BITS;
- if (shortPreamble && rates->info[rateix].short_preamble)
+ if (shortPreamble)
phyTime >>= 1;
numBits = frameLen << 3;
txTime = CCK_SIFS_TIME + phyTime + ((numBits * 1000) / kbps);
@@ -194,8 +191,7 @@ u16 ath9k_hw_computetxtime(struct ath_hw *ah,
break;
default:
ath_print(ath9k_hw_common(ah), ATH_DBG_FATAL,
- "Unknown phy %u (rate ix %u)\n",
- rates->info[rateix].phy, rateix);
+ "Unknown phy %u (rate ix %u)\n", phy, rateix);
txTime = 0;
break;
}
@@ -922,6 +918,11 @@ int ath9k_hw_init(struct ath_hw *ah)
ath_print(common, ATH_DBG_RESET, "serialize_regmode is %d\n",
ah->config.serialize_regmode);
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+ ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD >> 1;
+ else
+ ah->config.max_txtrig_level = MAX_TX_FIFO_THRESHOLD;
+
if (!ath9k_hw_macversion_supported(ah->hw_version.macVersion)) {
ath_print(common, ATH_DBG_FATAL,
"Mac Chip Rev 0x%02x.%x is not supported by "
@@ -975,7 +976,10 @@ int ath9k_hw_init(struct ath_hw *ah)
return r;
ath9k_hw_init_mode_gain_regs(ah);
- ath9k_hw_fill_cap_info(ah);
+ r = ath9k_hw_fill_cap_info(ah);
+ if (r)
+ return r;
+
ath9k_hw_init_11a_eeprom_fix(ah);
r = ath9k_hw_init_macaddr(ah);
@@ -3111,7 +3115,7 @@ EXPORT_SYMBOL(ath9k_hw_set_sta_beacon_timers);
/* HW Capabilities */
/*******************/
-void ath9k_hw_fill_cap_info(struct ath_hw *ah)
+int ath9k_hw_fill_cap_info(struct ath_hw *ah)
{
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
@@ -3142,6 +3146,12 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
}
eeval = ah->eep_ops->get_eeprom(ah, EEP_OP_MODE);
+ if ((eeval & (AR5416_OPFLAGS_11G | AR5416_OPFLAGS_11A)) == 0) {
+ ath_print(common, ATH_DBG_FATAL,
+ "no band has been marked as supported in EEPROM.\n");
+ return -EINVAL;
+ }
+
bitmap_zero(pCap->wireless_modes, ATH9K_MODE_MAX);
if (eeval & AR5416_OPFLAGS_11A) {
@@ -3228,7 +3238,11 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
pCap->keycache_size = AR_KEYTABLE_SIZE;
pCap->hw_caps |= ATH9K_HW_CAP_FASTCC;
- pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
+
+ if (AR_SREV_9285(ah) || AR_SREV_9271(ah))
+ pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD >> 1;
+ else
+ pCap->tx_triglevel_max = MAX_TX_FIFO_THRESHOLD;
if (AR_SREV_9285_10_OR_LATER(ah))
pCap->num_gpio_pins = AR9285_NUM_GPIO;
@@ -3301,6 +3315,8 @@ void ath9k_hw_fill_cap_info(struct ath_hw *ah)
} else {
btcoex_hw->scheme = ATH_BTCOEX_CFG_NONE;
}
+
+ return 0;
}
bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h
index f8f5e997162..e2b0c73a616 100644
--- a/drivers/net/wireless/ath/ath9k/hw.h
+++ b/drivers/net/wireless/ath/ath9k/hw.h
@@ -60,7 +60,7 @@
#define ATH_DEFAULT_NOISE_FLOOR -95
-#define ATH9K_RSSI_BAD 0x80
+#define ATH9K_RSSI_BAD -128
/* Register read/write primitives */
#define REG_WRITE(_ah, _reg, _val) \
@@ -226,6 +226,7 @@ struct ath9k_ops_config {
#define AR_SPUR_FEEQ_BOUND_HT20 10
int spurmode;
u16 spurchans[AR_EEPROM_MODAL_SPURS][2];
+ u8 max_txtrig_level;
};
enum ath9k_int {
@@ -619,7 +620,7 @@ void ath9k_hw_detach(struct ath_hw *ah);
int ath9k_hw_init(struct ath_hw *ah);
int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
bool bChannelChange);
-void ath9k_hw_fill_cap_info(struct ath_hw *ah);
+int ath9k_hw_fill_cap_info(struct ath_hw *ah);
bool ath9k_hw_getcapability(struct ath_hw *ah, enum ath9k_capability_type type,
u32 capability, u32 *result);
bool ath9k_hw_setcapability(struct ath_hw *ah, enum ath9k_capability_type type,
@@ -647,7 +648,7 @@ bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout);
u32 ath9k_hw_reverse_bits(u32 val, u32 n);
bool ath9k_get_channel_edges(struct ath_hw *ah, u16 flags, u16 *low, u16 *high);
u16 ath9k_hw_computetxtime(struct ath_hw *ah,
- const struct ath_rate_table *rates,
+ u8 phy, int kbps,
u32 frameLen, u16 rateix, bool shortPreamble);
void ath9k_hw_get_channel_centers(struct ath_hw *ah,
struct ath9k_channel *chan,
diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c
index 46466ffebcb..71b84d91dcf 100644
--- a/drivers/net/wireless/ath/ath9k/mac.c
+++ b/drivers/net/wireless/ath/ath9k/mac.c
@@ -70,12 +70,37 @@ u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q)
}
EXPORT_SYMBOL(ath9k_hw_numtxpending);
+/**
+ * ath9k_hw_updatetxtriglevel - adjusts the frame trigger level
+ *
+ * @ah: atheros hardware struct
+ * @bIncTrigLevel: whether or not the frame trigger level should be updated
+ *
+ * The frame trigger level specifies the minimum number of bytes,
+ * in units of 64 bytes, that must be DMA'ed into the PCU TX FIFO
+ * before the PCU will initiate sending the frame on the air. This can
+ * mean we initiate transmit before a full frame is on the PCU TX FIFO.
+ * Resets to 0x1 (meaning 64 bytes or a full frame, whichever occurs
+ * first)
+ *
+ * Caution must be taken to ensure to set the frame trigger level based
+ * on the DMA request size. For example if the DMA request size is set to
+ * 128 bytes the trigger level cannot exceed 6 * 64 = 384. This is because
+ * there need to be enough space in the tx FIFO for the requested transfer
+ * size. Hence the tx FIFO will stop with 512 - 128 = 384 bytes. If we set
+ * the threshold to a value beyond 6, then the transmit will hang.
+ *
+ * Current dual stream devices have a PCU TX FIFO size of 8 KB.
+ * Current single stream devices have a PCU TX FIFO size of 4 KB, however,
+ * there is a hardware issue which forces us to use 2 KB instead so the
+ * frame trigger level must not exceed 2 KB for these chipsets.
+ */
bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
{
u32 txcfg, curLevel, newLevel;
enum ath9k_int omask;
- if (ah->tx_trig_level >= MAX_TX_FIFO_THRESHOLD)
+ if (ah->tx_trig_level >= ah->config.max_txtrig_level)
return false;
omask = ath9k_hw_set_interrupts(ah, ah->mask_reg & ~ATH9K_INT_GLOBAL);
@@ -84,7 +109,7 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
curLevel = MS(txcfg, AR_FTRIG);
newLevel = curLevel;
if (bIncTrigLevel) {
- if (curLevel < MAX_TX_FIFO_THRESHOLD)
+ if (curLevel < ah->config.max_txtrig_level)
newLevel++;
} else if (curLevel > MIN_TX_FIFO_THRESHOLD)
newLevel--;
@@ -231,6 +256,8 @@ int ath9k_hw_txprocdesc(struct ath_hw *ah, struct ath_desc *ds)
ds->ds_txstat.ts_status = 0;
ds->ds_txstat.ts_flags = 0;
+ if (ads->ds_txstatus1 & AR_FrmXmitOK)
+ ds->ds_txstat.ts_status |= ATH9K_TX_ACKED;
if (ads->ds_txstatus1 & AR_ExcessiveRetries)
ds->ds_txstat.ts_status |= ATH9K_TXERR_XRETRY;
if (ads->ds_txstatus1 & AR_Filtered)
@@ -926,6 +953,13 @@ void ath9k_hw_setuprxdesc(struct ath_hw *ah, struct ath_desc *ds,
}
EXPORT_SYMBOL(ath9k_hw_setuprxdesc);
+/*
+ * This can stop or re-enables RX.
+ *
+ * If bool is set this will kill any frame which is currently being
+ * transferred between the MAC and baseband and also prevent any new
+ * frames from getting started.
+ */
bool ath9k_hw_setrxabort(struct ath_hw *ah, bool set)
{
u32 reg;
diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h
index fefb65dafb1..0c87771383f 100644
--- a/drivers/net/wireless/ath/ath9k/mac.h
+++ b/drivers/net/wireless/ath/ath9k/mac.h
@@ -76,6 +76,7 @@
#define ATH9K_TXERR_FIFO 0x04
#define ATH9K_TXERR_XTXOP 0x08
#define ATH9K_TXERR_TIMER_EXPIRED 0x10
+#define ATH9K_TX_ACKED 0x20
#define ATH9K_TX_BA 0x01
#define ATH9K_TX_PWRMGMT 0x02
@@ -85,9 +86,15 @@
#define ATH9K_TX_SW_ABORTED 0x40
#define ATH9K_TX_SW_FILTERED 0x80
+/* 64 bytes */
#define MIN_TX_FIFO_THRESHOLD 0x1
+
+/*
+ * Single stream device AR9285 and AR9271 require 2 KB
+ * to work around a hardware issue, all other devices
+ * have can use the max 4 KB limit.
+ */
#define MAX_TX_FIFO_THRESHOLD ((4096 / 64) - 1)
-#define INIT_TX_FIFO_THRESHOLD MIN_TX_FIFO_THRESHOLD
struct ath_tx_status {
u32 ts_tstamp;
@@ -380,6 +387,11 @@ struct ar5416_desc {
#define AR_TxBaStatus 0x40000000
#define AR_TxStatusRsvd01 0x80000000
+/*
+ * AR_FrmXmitOK - Frame transmission success flag. If set, the frame was
+ * transmitted successfully. If clear, no ACK or BA was received to indicate
+ * successful transmission when we were expecting an ACK or BA.
+ */
#define AR_FrmXmitOK 0x00000001
#define AR_ExcessiveRetries 0x00000002
#define AR_FIFOUnderrun 0x00000004
@@ -616,7 +628,6 @@ enum ath9k_cipher {
struct ath_hw;
struct ath9k_channel;
-struct ath_rate_table;
u32 ath9k_hw_gettxbuf(struct ath_hw *ah, u32 q);
void ath9k_hw_puttxbuf(struct ath_hw *ah, u32 q, u32 txdp);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index cbf5d2a1bb2..c4874345251 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -104,37 +104,55 @@ static struct ieee80211_channel ath9k_5ghz_chantable[] = {
CHAN5G(5825, 37), /* Channel 165 */
};
+/* Atheros hardware rate code addition for short premble */
+#define SHPCHECK(__hw_rate, __flags) \
+ ((__flags & IEEE80211_RATE_SHORT_PREAMBLE) ? (__hw_rate | 0x04 ) : 0)
+
+#define RATE(_bitrate, _hw_rate, _flags) { \
+ .bitrate = (_bitrate), \
+ .flags = (_flags), \
+ .hw_value = (_hw_rate), \
+ .hw_value_short = (SHPCHECK(_hw_rate, _flags)) \
+}
+
+static struct ieee80211_rate ath9k_legacy_rates[] = {
+ RATE(10, 0x1b, 0),
+ RATE(20, 0x1a, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, 0x19, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, 0x18, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0x0b, 0),
+ RATE(90, 0x0f, 0),
+ RATE(120, 0x0a, 0),
+ RATE(180, 0x0e, 0),
+ RATE(240, 0x09, 0),
+ RATE(360, 0x0d, 0),
+ RATE(480, 0x08, 0),
+ RATE(540, 0x0c, 0),
+};
+
static void ath_cache_conf_rate(struct ath_softc *sc,
struct ieee80211_conf *conf)
{
switch (conf->channel->band) {
case IEEE80211_BAND_2GHZ:
if (conf_is_ht20(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NG_HT20];
+ sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
else if (conf_is_ht40_minus(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS];
+ sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
else if (conf_is_ht40_plus(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NG_HT40PLUS];
+ sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
else
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11G];
+ sc->cur_rate_mode = ATH9K_MODE_11G;
break;
case IEEE80211_BAND_5GHZ:
if (conf_is_ht20(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NA_HT20];
+ sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
else if (conf_is_ht40_minus(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NA_HT40MINUS];
+ sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
else if (conf_is_ht40_plus(conf))
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11NA_HT40PLUS];
+ sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
else
- sc->cur_rate_table =
- sc->hw_rate_table[ATH9K_MODE_11A];
+ sc->cur_rate_mode = ATH9K_MODE_11A;
break;
default:
BUG_ON(1);
@@ -190,51 +208,6 @@ static u8 parse_mpdudensity(u8 mpdudensity)
}
}
-static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
-{
- const struct ath_rate_table *rate_table = NULL;
- struct ieee80211_supported_band *sband;
- struct ieee80211_rate *rate;
- int i, maxrates;
-
- switch (band) {
- case IEEE80211_BAND_2GHZ:
- rate_table = sc->hw_rate_table[ATH9K_MODE_11G];
- break;
- case IEEE80211_BAND_5GHZ:
- rate_table = sc->hw_rate_table[ATH9K_MODE_11A];
- break;
- default:
- break;
- }
-
- if (rate_table == NULL)
- return;
-
- sband = &sc->sbands[band];
- rate = sc->rates[band];
-
- if (rate_table->rate_cnt > ATH_RATE_MAX)
- maxrates = ATH_RATE_MAX;
- else
- maxrates = rate_table->rate_cnt;
-
- for (i = 0; i < maxrates; i++) {
- rate[i].bitrate = rate_table->info[i].ratekbps / 100;
- rate[i].hw_value = rate_table->info[i].ratecode;
- if (rate_table->info[i].short_preamble) {
- rate[i].hw_value_short = rate_table->info[i].ratecode |
- rate_table->info[i].short_preamble;
- rate[i].flags = IEEE80211_RATE_SHORT_PREAMBLE;
- }
- sband->n_bitrates++;
-
- ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
- "Rate: %2dMbps, ratecode: %2d\n",
- rate[i].bitrate / 10, rate[i].hw_value);
- }
-}
-
static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
struct ieee80211_hw *hw)
{
@@ -1701,12 +1674,6 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
/* default to MONITOR mode */
sc->sc_ah->opmode = NL80211_IFTYPE_MONITOR;
- /* Setup rate tables */
-
- ath_rate_attach(sc);
- ath_setup_rates(sc, IEEE80211_BAND_2GHZ);
- ath_setup_rates(sc, IEEE80211_BAND_5GHZ);
-
/*
* Allocate hardware transmit queues: one queue for
* beacon frames and one data queue for each QoS
@@ -1826,20 +1793,25 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
/* setup channels and rates */
- sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
- sc->sbands[IEEE80211_BAND_2GHZ].bitrates =
- sc->rates[IEEE80211_BAND_2GHZ];
- sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
- sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
- ARRAY_SIZE(ath9k_2ghz_chantable);
+ if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes)) {
+ sc->sbands[IEEE80211_BAND_2GHZ].channels = ath9k_2ghz_chantable;
+ sc->sbands[IEEE80211_BAND_2GHZ].band = IEEE80211_BAND_2GHZ;
+ sc->sbands[IEEE80211_BAND_2GHZ].n_channels =
+ ARRAY_SIZE(ath9k_2ghz_chantable);
+ sc->sbands[IEEE80211_BAND_2GHZ].bitrates = ath9k_legacy_rates;
+ sc->sbands[IEEE80211_BAND_2GHZ].n_bitrates =
+ ARRAY_SIZE(ath9k_legacy_rates);
+ }
if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes)) {
sc->sbands[IEEE80211_BAND_5GHZ].channels = ath9k_5ghz_chantable;
- sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
- sc->rates[IEEE80211_BAND_5GHZ];
sc->sbands[IEEE80211_BAND_5GHZ].band = IEEE80211_BAND_5GHZ;
sc->sbands[IEEE80211_BAND_5GHZ].n_channels =
ARRAY_SIZE(ath9k_5ghz_chantable);
+ sc->sbands[IEEE80211_BAND_5GHZ].bitrates =
+ ath9k_legacy_rates + 4;
+ sc->sbands[IEEE80211_BAND_5GHZ].n_bitrates =
+ ARRAY_SIZE(ath9k_legacy_rates) - 4;
}
switch (ah->btcoex_hw.scheme) {
@@ -1906,8 +1878,9 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->rate_control_algorithm = "ath9k_rate_control";
- hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
- &sc->sbands[IEEE80211_BAND_2GHZ];
+ if (test_bit(ATH9K_MODE_11G, sc->sc_ah->caps.wireless_modes))
+ hw->wiphy->bands[IEEE80211_BAND_2GHZ] =
+ &sc->sbands[IEEE80211_BAND_2GHZ];
if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
hw->wiphy->bands[IEEE80211_BAND_5GHZ] =
&sc->sbands[IEEE80211_BAND_5GHZ];
@@ -1946,9 +1919,12 @@ int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
reg = &common->regulatory;
if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
- setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
+ if (test_bit(ATH9K_MODE_11G, ah->caps.wireless_modes))
+ setup_ht_cap(sc,
+ &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
- setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
+ setup_ht_cap(sc,
+ &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
}
/* initialize tx/rx engine */
@@ -2394,7 +2370,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
struct ath_softc *sc = aphy->sc;
struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
- int hdrlen, padsize;
+ int padpos, padsize;
+ struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
ath_print(common, ATH_DBG_XMIT,
@@ -2404,7 +2381,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
}
if (sc->ps_enabled) {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
/*
* mac80211 does not set PM field for normal data frames, so we
* need to update that based on the current PS mode.
@@ -2424,7 +2400,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
* power save mode. Need to wake up hardware for the TX to be
* completed and if needed, also for RX of buffered frames.
*/
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
ath9k_ps_wakeup(sc);
ath9k_hw_setrxabort(sc->sc_ah, 0);
if (ieee80211_is_pspoll(hdr->frame_control)) {
@@ -2452,7 +2427,6 @@ static int ath9k_tx(struct ieee80211_hw *hw,
* BSSes.
*/
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
- struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
if (info->flags & IEEE80211_TX_CTL_FIRST_FRAGMENT)
sc->tx.seq_no += 0x10;
hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG);
@@ -2460,13 +2434,13 @@ static int ath9k_tx(struct ieee80211_hw *hw,
}
/* Add the padding after the header if this is not already done */
- hdrlen = ieee80211_get_hdrlen_from_skb(skb);
- if (hdrlen & 3) {
- padsize = hdrlen % 4;
+ padpos = ath9k_cmn_padpos(hdr->frame_control);
+ padsize = padpos & 3;
+ if (padsize && skb->len>padpos) {
if (skb_headroom(skb) < padsize)
return -1;
skb_push(skb, padsize);
- memmove(skb->data, skb->data + padsize, hdrlen);
+ memmove(skb->data, skb->data + padsize, padpos);
}
/* Check if a tx queue is available */
@@ -2731,8 +2705,15 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
}
+ /*
+ * We just prepare to enable PS. We have to wait until our AP has
+ * ACK'd our null data frame to disable RX otherwise we'll ignore
+ * those ACKs and end up retransmitting the same null data frames.
+ * IEEE80211_CONF_CHANGE_PS is only passed by mac80211 for STA mode.
+ */
if (changed & IEEE80211_CONF_CHANGE_PS) {
if (conf->flags & IEEE80211_CONF_PS) {
+ sc->sc_flags |= SC_OP_PS_ENABLED;
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) {
@@ -2740,11 +2721,20 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
ath9k_hw_set_interrupts(sc->sc_ah,
sc->imask);
}
- ath9k_hw_setrxabort(sc->sc_ah, 1);
}
- sc->ps_enabled = true;
+ /*
+ * At this point we know hardware has received an ACK
+ * of a previously sent null data frame.
+ */
+ if ((sc->sc_flags & SC_OP_NULLFUNC_COMPLETED)) {
+ sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+ sc->ps_enabled = true;
+ ath9k_hw_setrxabort(sc->sc_ah, 1);
+ }
} else {
sc->ps_enabled = false;
+ sc->sc_flags &= ~(SC_OP_PS_ENABLED |
+ SC_OP_NULLFUNC_COMPLETED);
ath9k_setpower(sc, ATH9K_PM_AWAKE);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
@@ -2898,6 +2888,10 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
if (ret)
ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
+ if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)
+ if ((qnum == sc->tx.hwq_map[ATH9K_WME_AC_BE]) && !ret)
+ ath_beaconq_config(sc);
+
mutex_unlock(&sc->mutex);
return ret;
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 1d96777b4cd..c915954d4d5 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -19,133 +19,92 @@
static const struct ath_rate_table ar5416_11na_ratetable = {
42,
+ 8, /* MCS start */
{
{ VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
- 5400, 0x0b, 0x00, 12,
- 0, 0, 0, 0, 0, 0 },
+ 5400, 0, 12, 0, 0, 0, 0, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 0x0f, 0x00, 18,
- 0, 1, 1, 1, 1, 0 },
+ 7800, 1, 18, 0, 1, 1, 1, 1 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10000, 0x0a, 0x00, 24,
- 2, 2, 2, 2, 2, 0 },
+ 10000, 2, 24, 2, 2, 2, 2, 2 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 13900, 0x0e, 0x00, 36,
- 2, 3, 3, 3, 3, 0 },
+ 13900, 3, 36, 2, 3, 3, 3, 3 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17300, 0x09, 0x00, 48,
- 4, 4, 4, 4, 4, 0 },
+ 17300, 4, 48, 4, 4, 4, 4, 4 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23000, 0x0d, 0x00, 72,
- 4, 5, 5, 5, 5, 0 },
+ 23000, 5, 72, 4, 5, 5, 5, 5 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 0x08, 0x00, 96,
- 4, 6, 6, 6, 6, 0 },
+ 27400, 6, 96, 4, 6, 6, 6, 6 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 29300, 0x0c, 0x00, 108,
- 4, 7, 7, 7, 7, 0 },
+ 29300, 7, 108, 4, 7, 7, 7, 7 },
{ VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
- 6400, 0x80, 0x00, 0,
- 0, 8, 24, 8, 24, 3216 },
+ 6400, 0, 0, 0, 8, 24, 8, 24 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
- 12700, 0x81, 0x00, 1,
- 2, 9, 25, 9, 25, 6434 },
+ 12700, 1, 1, 2, 9, 25, 9, 25 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
- 18800, 0x82, 0x00, 2,
- 2, 10, 26, 10, 26, 9650 },
+ 18800, 2, 2, 2, 10, 26, 10, 26 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
- 25000, 0x83, 0x00, 3,
- 4, 11, 27, 11, 27, 12868 },
+ 25000, 3, 3, 4, 11, 27, 11, 27 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
- 36700, 0x84, 0x00, 4,
- 4, 12, 28, 12, 28, 19304 },
+ 36700, 4, 4, 4, 12, 28, 12, 28 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
- 48100, 0x85, 0x00, 5,
- 4, 13, 29, 13, 29, 25740 },
+ 48100, 5, 5, 4, 13, 29, 13, 29 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
- 53500, 0x86, 0x00, 6,
- 4, 14, 30, 14, 30, 28956 },
+ 53500, 6, 6, 4, 14, 30, 14, 30 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
- 59000, 0x87, 0x00, 7,
- 4, 15, 31, 15, 32, 32180 },
+ 59000, 7, 7, 4, 15, 31, 15, 32 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
- 12700, 0x88, 0x00,
- 8, 3, 16, 33, 16, 33, 6430 },
+ 12700, 8, 8, 3, 16, 33, 16, 33 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
- 24800, 0x89, 0x00, 9,
- 2, 17, 34, 17, 34, 12860 },
+ 24800, 9, 9, 2, 17, 34, 17, 34 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
- 36600, 0x8a, 0x00, 10,
- 2, 18, 35, 18, 35, 19300 },
+ 36600, 10, 10, 2, 18, 35, 18, 35 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
- 48100, 0x8b, 0x00, 11,
- 4, 19, 36, 19, 36, 25736 },
+ 48100, 11, 11, 4, 19, 36, 19, 36 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
- 69500, 0x8c, 0x00, 12,
- 4, 20, 37, 20, 37, 38600 },
+ 69500, 12, 12, 4, 20, 37, 20, 37 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
- 89500, 0x8d, 0x00, 13,
- 4, 21, 38, 21, 38, 51472 },
+ 89500, 13, 13, 4, 21, 38, 21, 38 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
- 98900, 0x8e, 0x00, 14,
- 4, 22, 39, 22, 39, 57890 },
+ 98900, 14, 14, 4, 22, 39, 22, 39 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
- 108300, 0x8f, 0x00, 15,
- 4, 23, 40, 23, 41, 64320 },
+ 108300, 15, 15, 4, 23, 40, 23, 41 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
- 13200, 0x80, 0x00, 0,
- 0, 8, 24, 24, 24, 6684 },
+ 13200, 0, 0, 0, 8, 24, 24, 24 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
- 25900, 0x81, 0x00, 1,
- 2, 9, 25, 25, 25, 13368 },
+ 25900, 1, 1, 2, 9, 25, 25, 25 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
- 38600, 0x82, 0x00, 2,
- 2, 10, 26, 26, 26, 20052 },
+ 38600, 2, 2, 2, 10, 26, 26, 26 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
- 49800, 0x83, 0x00, 3,
- 4, 11, 27, 27, 27, 26738 },
+ 49800, 3, 3, 4, 11, 27, 27, 27 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
- 72200, 0x84, 0x00, 4,
- 4, 12, 28, 28, 28, 40104 },
+ 72200, 4, 4, 4, 12, 28, 28, 28 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
- 92900, 0x85, 0x00, 5,
- 4, 13, 29, 29, 29, 53476 },
+ 92900, 5, 5, 4, 13, 29, 29, 29 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
- 102700, 0x86, 0x00, 6,
- 4, 14, 30, 30, 30, 60156 },
+ 102700, 6, 6, 4, 14, 30, 30, 30 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
- 112000, 0x87, 0x00, 7,
- 4, 15, 31, 32, 32, 66840 },
+ 112000, 7, 7, 4, 15, 31, 32, 32 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
- 122000, 0x87, 0x00, 7,
- 4, 15, 31, 32, 32, 74200 },
+ 122000, 7, 7, 4, 15, 31, 32, 32 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
- 25800, 0x88, 0x00, 8,
- 0, 16, 33, 33, 33, 13360 },
+ 25800, 8, 8, 0, 16, 33, 33, 33 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
- 49800, 0x89, 0x00, 9,
- 2, 17, 34, 34, 34, 26720 },
+ 49800, 9, 9, 2, 17, 34, 34, 34 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
- 71900, 0x8a, 0x00, 10,
- 2, 18, 35, 35, 35, 40080 },
+ 71900, 10, 10, 2, 18, 35, 35, 35 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
- 92500, 0x8b, 0x00, 11,
- 4, 19, 36, 36, 36, 53440 },
+ 92500, 11, 11, 4, 19, 36, 36, 36 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
- 130300, 0x8c, 0x00, 12,
- 4, 20, 37, 37, 37, 80160 },
+ 130300, 12, 12, 4, 20, 37, 37, 37 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
- 162800, 0x8d, 0x00, 13,
- 4, 21, 38, 38, 38, 106880 },
+ 162800, 13, 13, 4, 21, 38, 38, 38 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
- 178200, 0x8e, 0x00, 14,
- 4, 22, 39, 39, 39, 120240 },
+ 178200, 14, 14, 4, 22, 39, 39, 39 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
- 192100, 0x8f, 0x00, 15,
- 4, 23, 40, 41, 41, 133600 },
+ 192100, 15, 15, 4, 23, 40, 41, 41 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
- 207000, 0x8f, 0x00, 15,
- 4, 23, 40, 41, 41, 148400 },
+ 207000, 15, 15, 4, 23, 40, 41, 41 },
},
50, /* probe interval */
WLAN_RC_HT_FLAG, /* Phy rates allowed initially */
@@ -156,177 +115,125 @@ 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,
- 0, 0, 0, 0, 0, 0 },
+ 900, 0, 2, 0, 0, 0, 0, 0 },
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
- 1900, 0x1a, 0x04, 4,
- 1, 1, 1, 1, 1, 0 },
+ 1900, 1, 4, 1, 1, 1, 1, 1 },
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
- 4900, 0x19, 0x04, 11,
- 2, 2, 2, 2, 2, 0 },
+ 4900, 2, 11, 2, 2, 2, 2, 2 },
{ VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
- 8100, 0x18, 0x04, 22,
- 3, 3, 3, 3, 3, 0 },
+ 8100, 3, 22, 3, 3, 3, 3, 3 },
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
- 5400, 0x0b, 0x00, 12,
- 4, 4, 4, 4, 4, 0 },
+ 5400, 4, 12, 4, 4, 4, 4, 4 },
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 0x0f, 0x00, 18,
- 4, 5, 5, 5, 5, 0 },
+ 7800, 5, 18, 4, 5, 5, 5, 5 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10100, 0x0a, 0x00, 24,
- 6, 6, 6, 6, 6, 0 },
+ 10100, 6, 24, 6, 6, 6, 6, 6 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 14100, 0x0e, 0x00, 36,
- 6, 7, 7, 7, 7, 0 },
+ 14100, 7, 36, 6, 7, 7, 7, 7 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17700, 0x09, 0x00, 48,
- 8, 8, 8, 8, 8, 0 },
+ 17700, 8, 48, 8, 8, 8, 8, 8 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23700, 0x0d, 0x00, 72,
- 8, 9, 9, 9, 9, 0 },
+ 23700, 9, 72, 8, 9, 9, 9, 9 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 0x08, 0x00, 96,
- 8, 10, 10, 10, 10, 0 },
+ 27400, 10, 96, 8, 10, 10, 10, 10 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 30900, 0x0c, 0x00, 108,
- 8, 11, 11, 11, 11, 0 },
+ 30900, 11, 108, 8, 11, 11, 11, 11 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */
- 6400, 0x80, 0x00, 0,
- 4, 12, 28, 12, 28, 3216 },
+ 6400, 0, 0, 4, 12, 28, 12, 28 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */
- 12700, 0x81, 0x00, 1,
- 6, 13, 29, 13, 29, 6434 },
+ 12700, 1, 1, 6, 13, 29, 13, 29 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */
- 18800, 0x82, 0x00, 2,
- 6, 14, 30, 14, 30, 9650 },
+ 18800, 2, 2, 6, 14, 30, 14, 30 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */
- 25000, 0x83, 0x00, 3,
- 8, 15, 31, 15, 31, 12868 },
+ 25000, 3, 3, 8, 15, 31, 15, 31 },
{ VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */
- 36700, 0x84, 0x00, 4,
- 8, 16, 32, 16, 32, 19304 },
+ 36700, 4, 4, 8, 16, 32, 16, 32 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */
- 48100, 0x85, 0x00, 5,
- 8, 17, 33, 17, 33, 25740 },
+ 48100, 5, 5, 8, 17, 33, 17, 33 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */
- 53500, 0x86, 0x00, 6,
- 8, 18, 34, 18, 34, 28956 },
+ 53500, 6, 6, 8, 18, 34, 18, 34 },
{ INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */
- 59000, 0x87, 0x00, 7,
- 8, 19, 35, 19, 36, 32180 },
+ 59000, 7, 7, 8, 19, 35, 19, 36 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */
- 12700, 0x88, 0x00, 8,
- 4, 20, 37, 20, 37, 6430 },
+ 12700, 8, 8, 4, 20, 37, 20, 37 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */
- 24800, 0x89, 0x00, 9,
- 6, 21, 38, 21, 38, 12860 },
+ 24800, 9, 9, 6, 21, 38, 21, 38 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */
- 36600, 0x8a, 0x00, 10,
- 6, 22, 39, 22, 39, 19300 },
+ 36600, 10, 10, 6, 22, 39, 22, 39 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */
- 48100, 0x8b, 0x00, 11,
- 8, 23, 40, 23, 40, 25736 },
+ 48100, 11, 11, 8, 23, 40, 23, 40 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */
- 69500, 0x8c, 0x00, 12,
- 8, 24, 41, 24, 41, 38600 },
+ 69500, 12, 12, 8, 24, 41, 24, 41 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */
- 89500, 0x8d, 0x00, 13,
- 8, 25, 42, 25, 42, 51472 },
+ 89500, 13, 13, 8, 25, 42, 25, 42 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */
- 98900, 0x8e, 0x00, 14,
- 8, 26, 43, 26, 44, 57890 },
+ 98900, 14, 14, 8, 26, 43, 26, 44 },
{ VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */
- 108300, 0x8f, 0x00, 15,
- 8, 27, 44, 27, 45, 64320 },
+ 108300, 15, 15, 8, 27, 44, 27, 45 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */
- 13200, 0x80, 0x00, 0,
- 8, 12, 28, 28, 28, 6684 },
+ 13200, 0, 0, 8, 12, 28, 28, 28 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */
- 25900, 0x81, 0x00, 1,
- 8, 13, 29, 29, 29, 13368 },
+ 25900, 1, 1, 8, 13, 29, 29, 29 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */
- 38600, 0x82, 0x00, 2,
- 8, 14, 30, 30, 30, 20052 },
+ 38600, 2, 2, 8, 14, 30, 30, 30 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */
- 49800, 0x83, 0x00, 3,
- 8, 15, 31, 31, 31, 26738 },
+ 49800, 3, 3, 8, 15, 31, 31, 31 },
{ VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */
- 72200, 0x84, 0x00, 4,
- 8, 16, 32, 32, 32, 40104 },
+ 72200, 4, 4, 8, 16, 32, 32, 32 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */
- 92900, 0x85, 0x00, 5,
- 8, 17, 33, 33, 33, 53476 },
+ 92900, 5, 5, 8, 17, 33, 33, 33 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */
- 102700, 0x86, 0x00, 6,
- 8, 18, 34, 34, 34, 60156 },
+ 102700, 6, 6, 8, 18, 34, 34, 34 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */
- 112000, 0x87, 0x00, 7,
- 8, 19, 35, 36, 36, 66840 },
+ 112000, 7, 7, 8, 19, 35, 36, 36 },
{ INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */
- 122000, 0x87, 0x00, 7,
- 8, 19, 35, 36, 36, 74200 },
+ 122000, 7, 7, 8, 19, 35, 36, 36 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */
- 25800, 0x88, 0x00, 8,
- 8, 20, 37, 37, 37, 13360 },
+ 25800, 8, 8, 8, 20, 37, 37, 37 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */
- 49800, 0x89, 0x00, 9,
- 8, 21, 38, 38, 38, 26720 },
+ 49800, 9, 9, 8, 21, 38, 38, 38 },
{ INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */
- 71900, 0x8a, 0x00, 10,
- 8, 22, 39, 39, 39, 40080 },
+ 71900, 10, 10, 8, 22, 39, 39, 39 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */
- 92500, 0x8b, 0x00, 11,
- 8, 23, 40, 40, 40, 53440 },
+ 92500, 11, 11, 8, 23, 40, 40, 40 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */
- 130300, 0x8c, 0x00, 12,
- 8, 24, 41, 41, 41, 80160 },
+ 130300, 12, 12, 8, 24, 41, 41, 41 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */
- 162800, 0x8d, 0x00, 13,
- 8, 25, 42, 42, 42, 106880 },
+ 162800, 13, 13, 8, 25, 42, 42, 42 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */
- 178200, 0x8e, 0x00, 14,
- 8, 26, 43, 43, 43, 120240 },
+ 178200, 14, 14, 8, 26, 43, 43, 43 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */
- 192100, 0x8f, 0x00, 15,
- 8, 27, 44, 45, 45, 133600 },
+ 192100, 15, 15, 8, 27, 44, 45, 45 },
{ VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */
- 207000, 0x8f, 0x00, 15,
- 8, 27, 44, 45, 45, 148400 },
- },
+ 207000, 15, 15, 8, 27, 44, 45, 45 },
+ },
50, /* probe interval */
WLAN_RC_HT_FLAG, /* Phy rates allowed initially */
};
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),
- 0, 0, 0 },
+ 5400, 0, 12, 0, 0, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 0x0f, 0x00, 18,
- 0, 1, 0 },
+ 7800, 1, 18, 0, 1, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10000, 0x0a, 0x00, (0x80|24),
- 2, 2, 0 },
+ 10000, 2, 24, 2, 2, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 13900, 0x0e, 0x00, 36,
- 2, 3, 0 },
+ 13900, 3, 36, 2, 3, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17300, 0x09, 0x00, (0x80|48),
- 4, 4, 0 },
+ 17300, 4, 48, 4, 4, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23000, 0x0d, 0x00, 72,
- 4, 5, 0 },
+ 23000, 5, 72, 4, 5, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 0x08, 0x00, 96,
- 4, 6, 0 },
+ 27400, 6, 96, 4, 6, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 29300, 0x0c, 0x00, 108,
- 4, 7, 0 },
+ 29300, 7, 108, 4, 7, 0 },
},
50, /* probe interval */
0, /* Phy rates allowed initially */
@@ -334,48 +241,51 @@ 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,
- 0, 0, 0 },
+ 900, 0, 2, 0, 0, 0 },
{ VALID, VALID, WLAN_RC_PHY_CCK, 2000, /* 2 Mb */
- 1900, 0x1a, 0x04, 4,
- 1, 1, 0 },
+ 1900, 1, 4, 1, 1, 0 },
{ VALID, VALID, WLAN_RC_PHY_CCK, 5500, /* 5.5 Mb */
- 4900, 0x19, 0x04, 11,
- 2, 2, 0 },
+ 4900, 2, 11, 2, 2, 0 },
{ VALID, VALID, WLAN_RC_PHY_CCK, 11000, /* 11 Mb */
- 8100, 0x18, 0x04, 22,
- 3, 3, 0 },
+ 8100, 3, 22, 3, 3, 0 },
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */
- 5400, 0x0b, 0x00, 12,
- 4, 4, 0 },
+ 5400, 4, 12, 4, 4, 0 },
{ INVALID, INVALID, WLAN_RC_PHY_OFDM, 9000, /* 9 Mb */
- 7800, 0x0f, 0x00, 18,
- 4, 5, 0 },
+ 7800, 5, 18, 4, 5, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 12000, /* 12 Mb */
- 10000, 0x0a, 0x00, 24,
- 6, 6, 0 },
+ 10000, 6, 24, 6, 6, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 18000, /* 18 Mb */
- 13900, 0x0e, 0x00, 36,
- 6, 7, 0 },
+ 13900, 7, 36, 6, 7, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 24000, /* 24 Mb */
- 17300, 0x09, 0x00, 48,
- 8, 8, 0 },
+ 17300, 8, 48, 8, 8, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 36000, /* 36 Mb */
- 23000, 0x0d, 0x00, 72,
- 8, 9, 0 },
+ 23000, 9, 72, 8, 9, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 48000, /* 48 Mb */
- 27400, 0x08, 0x00, 96,
- 8, 10, 0 },
+ 27400, 10, 96, 8, 10, 0 },
{ VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */
- 29300, 0x0c, 0x00, 108,
- 8, 11, 0 },
+ 29300, 11, 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 +444,7 @@ 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 +486,7 @@ 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 +605,20 @@ 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_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))
+
+ 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;
+ }
}
static void ath_rc_rate_set_rtscts(struct ath_softc *sc,
@@ -720,7 +631,7 @@ 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 +991,19 @@ 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 +1098,9 @@ 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 +1114,6 @@ 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;
@@ -1324,10 +1235,14 @@ static void ath_tx_status(void *priv, struct ieee80211_supported_band *sband,
return;
/*
- * 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 hw->max_rate_tries
- * times. This affects how ratectrl updates PER for the failed rate.
+ * If an underrun error is seen assume it as an excessive retry only
+ * if max frame trigger level has been reached (2 KB for singel stream,
+ * and 4 KB for dual stream). Adjust the long retry as if the frame was
+ * tried hw->max_rate_tries times to affect how ratectrl updates PER for
+ * the failed rate. In case of congestion on the bus penalizing these
+ * type of underruns should help hardware actually transmit new frames
+ * successfully by eventually preferring slower rates. This itself
+ * should also alleviate congestion on the bus.
*/
if ((tx_info->pad[0] & ATH_TX_INFO_UNDERRUN) &&
(sc->sc_ah->tx_trig_level >= ath_rc_priv->tx_triglevel_max)) {
@@ -1357,7 +1272,8 @@ 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 +1281,7 @@ 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 +1313,9 @@ 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 +1359,7 @@ 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 +1412,6 @@ 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);
diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h
index 51f85ecbe88..9eb96f50699 100644
--- a/drivers/net/wireless/ath/ath9k/rc.h
+++ b/drivers/net/wireless/ath/ath9k/rc.h
@@ -104,6 +104,7 @@ enum {
*/
struct ath_rate_table {
int rate_cnt;
+ int mcs_start;
struct {
int valid;
int valid_single_stream;
@@ -111,14 +112,12 @@ struct ath_rate_table {
u32 ratekbps;
u32 user_ratekbps;
u8 ratecode;
- u8 short_preamble;
u8 dot11rate;
u8 ctrl_rate;
u8 base_index;
u8 cw40index;
u8 sgi_index;
u8 ht_index;
- u32 max_4ms_framelen;
} info[RATE_TABLE_SIZE];
u32 probe_interval;
u8 initial_ratemax;
@@ -179,8 +178,6 @@ 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);
diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h
index 49ec25f020f..8e653fb937a 100644
--- a/drivers/net/wireless/ath/ath9k/reg.h
+++ b/drivers/net/wireless/ath/ath9k/reg.h
@@ -1332,13 +1332,22 @@ enum {
#define AR_MCAST_FIL0 0x8040
#define AR_MCAST_FIL1 0x8044
+/*
+ * AR_DIAG_SW - Register which can be used for diagnostics and testing purposes.
+ *
+ * The force RX abort (AR_DIAG_RX_ABORT, bit 25) can be used in conjunction with
+ * RX block (AR_DIAG_RX_DIS, bit 5) to help fast channel change to shut down
+ * receive. The force RX abort bit will kill any frame which is currently being
+ * transferred between the MAC and baseband. The RX block bit (AR_DIAG_RX_DIS)
+ * will prevent any new frames from getting started.
+ */
#define AR_DIAG_SW 0x8048
#define AR_DIAG_CACHE_ACK 0x00000001
#define AR_DIAG_ACK_DIS 0x00000002
#define AR_DIAG_CTS_DIS 0x00000004
#define AR_DIAG_ENCRYPT_DIS 0x00000008
#define AR_DIAG_DECRYPT_DIS 0x00000010
-#define AR_DIAG_RX_DIS 0x00000020
+#define AR_DIAG_RX_DIS 0x00000020 /* RX block */
#define AR_DIAG_LOOP_BACK 0x00000040
#define AR_DIAG_CORR_FCS 0x00000080
#define AR_DIAG_CHAN_INFO 0x00000100
@@ -1347,12 +1356,12 @@ enum {
#define AR_DIAG_FRAME_NV0 0x00020000
#define AR_DIAG_OBS_PT_SEL1 0x000C0000
#define AR_DIAG_OBS_PT_SEL1_S 18
-#define AR_DIAG_FORCE_RX_CLEAR 0x00100000
+#define AR_DIAG_FORCE_RX_CLEAR 0x00100000 /* force rx_clear high */
#define AR_DIAG_IGNORE_VIRT_CS 0x00200000
#define AR_DIAG_FORCE_CH_IDLE_HIGH 0x00400000
#define AR_DIAG_EIFS_CTRL_ENA 0x00800000
#define AR_DIAG_DUAL_CHAIN_INFO 0x01000000
-#define AR_DIAG_RX_ABORT 0x02000000
+#define AR_DIAG_RX_ABORT 0x02000000 /* Force RX abort */
#define AR_DIAG_SATURATE_CYCLE_CNT 0x04000000
#define AR_DIAG_OBS_PT_SEL2 0x08000000
#define AR_DIAG_RX_CLEAR_CTL_LOW 0x10000000
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 745d91995d7..564c6cb1c2b 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -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;
- 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_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,
+ 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 */
@@ -1554,6 +1596,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
int hdrlen;
__le16 fc;
+ int padpos, padsize;
tx_info->pad[0] = 0;
switch (txctl->frame_type) {
@@ -1572,7 +1615,13 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
ATH_TXBUF_RESET(bf);
bf->aphy = aphy;
- bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3);
+ bf->bf_frmlen = skb->len + FCS_LEN;
+ /* Remove the padding size from bf_frmlen, if any */
+ padpos = ath9k_cmn_padpos(hdr->frame_control);
+ padsize = padpos & 3;
+ if (padsize && skb->len>padpos+padsize) {
+ bf->bf_frmlen -= padsize;
+ }
if (conf_is_ht(&hw->conf) && !is_pae(skb))
bf->bf_state.bf_type |= BUF_HT;
@@ -1602,6 +1651,14 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
}
bf->bf_buf_addr = bf->bf_dmacontext;
+
+ /* tag if this is a nullfunc frame to enable PS when AP acks it */
+ if (ieee80211_is_nullfunc(fc) && ieee80211_has_pm(fc)) {
+ bf->bf_isnullfunc = true;
+ sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED;
+ } else
+ bf->bf_isnullfunc = false;
+
return 0;
}
@@ -1920,8 +1977,10 @@ 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;
}
@@ -1995,6 +2054,19 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
}
/*
+ * We now know the nullfunc frame has been ACKed so we
+ * can disable RX.
+ */
+ if (bf->bf_isnullfunc &&
+ (ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) {
+ if ((sc->sc_flags & SC_OP_PS_ENABLED)) {
+ sc->ps_enabled = true;
+ ath9k_hw_setrxabort(sc->sc_ah, 1);
+ } else
+ sc->sc_flags |= SC_OP_NULLFUNC_COMPLETED;
+ }
+
+ /*
* Remove ath_buf's of the same transmit unit from txq,
* however leave the last descriptor back as the holding
* descriptor for hw.
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 01:09:55 +0000