diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath5k')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/Kconfig | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/ahb.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/ath5k.h | 40 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/attach.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 176 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.h | 17 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/caps.c | 48 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 20 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/eeprom.c | 24 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/eeprom.h | 28 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/mac80211-ops.c | 94 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/pci.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/qcu.c | 46 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/reg.h | 15 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/trace.h | 107 |
16 files changed, 377 insertions, 284 deletions
diff --git a/drivers/net/wireless/ath/ath5k/Kconfig b/drivers/net/wireless/ath/ath5k/Kconfig index e0793319389d..e18a9aa7b6ca 100644 --- a/drivers/net/wireless/ath/ath5k/Kconfig +++ b/drivers/net/wireless/ath/ath5k/Kconfig @@ -40,6 +40,17 @@ config ATH5K_DEBUG modprobe ath5k debug=0x00000400 +config ATH5K_TRACER + bool "Atheros 5xxx tracer" + depends on ATH5K + depends on EVENT_TRACING + ---help--- + Say Y here to enable tracepoints for the ath5k driver + using the kernel tracing infrastructure. Select this + option if you are interested in debugging the driver. + + If unsure, say N. + config ATH5K_AHB bool "Atheros 5xxx AHB bus support" depends on (ATHEROS_AR231X && !PCI) diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c index 707cde149248..82324e98efef 100644 --- a/drivers/net/wireless/ath/ath5k/ahb.c +++ b/drivers/net/wireless/ath/ath5k/ahb.c @@ -31,7 +31,8 @@ static void ath5k_ahb_read_cachesize(struct ath_common *common, int *csz) *csz = L1_CACHE_BYTES >> 2; } -bool ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) +static bool +ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) { struct ath5k_softc *sc = common->priv; struct platform_device *pdev = to_platform_device(sc->dev); @@ -46,10 +47,10 @@ bool ath5k_ahb_eeprom_read(struct ath_common *common, u32 off, u16 *data) eeprom += off; if (eeprom > eeprom_end) - return -EINVAL; + return false; *data = *eeprom; - return 0; + return true; } int ath5k_hw_read_srev(struct ath5k_hw *ah) @@ -92,7 +93,7 @@ static int ath_ahb_probe(struct platform_device *pdev) goto err_out; } - mem = ioremap_nocache(res->start, res->end - res->start + 1); + mem = ioremap_nocache(res->start, resource_size(res)); if (mem == NULL) { dev_err(&pdev->dev, "ioremap failed\n"); ret = -ENOMEM; diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h index 407e39c2b10b..8a06dbd39629 100644 --- a/drivers/net/wireless/ath/ath5k/ath5k.h +++ b/drivers/net/wireless/ath/ath5k/ath5k.h @@ -210,14 +210,9 @@ /* Initial values */ #define AR5K_INIT_CYCRSSI_THR1 2 -/* Tx retry limits */ -#define AR5K_INIT_SH_RETRY 10 -#define AR5K_INIT_LG_RETRY AR5K_INIT_SH_RETRY -/* For station mode */ -#define AR5K_INIT_SSH_RETRY 32 -#define AR5K_INIT_SLG_RETRY AR5K_INIT_SSH_RETRY -#define AR5K_INIT_TX_RETRY 10 - +/* Tx retry limit defaults from standard */ +#define AR5K_INIT_RETRY_SHORT 7 +#define AR5K_INIT_RETRY_LONG 4 /* Slot time */ #define AR5K_INIT_SLOT_TIME_TURBO 6 @@ -518,7 +513,7 @@ enum ath5k_tx_queue_id { AR5K_TX_QUEUE_ID_NOQCU_DATA = 0, AR5K_TX_QUEUE_ID_NOQCU_BEACON = 1, AR5K_TX_QUEUE_ID_DATA_MIN = 0, /*IEEE80211_TX_QUEUE_DATA0*/ - AR5K_TX_QUEUE_ID_DATA_MAX = 4, /*IEEE80211_TX_QUEUE_DATA4*/ + AR5K_TX_QUEUE_ID_DATA_MAX = 3, /*IEEE80211_TX_QUEUE_DATA3*/ AR5K_TX_QUEUE_ID_DATA_SVP = 5, /*IEEE80211_TX_QUEUE_SVP - Spectralink Voice Protocol*/ AR5K_TX_QUEUE_ID_CAB = 6, /*IEEE80211_TX_QUEUE_AFTER_BEACON*/ AR5K_TX_QUEUE_ID_BEACON = 7, /*IEEE80211_TX_QUEUE_BEACON*/ @@ -1057,7 +1052,9 @@ struct ath5k_hw { #define ah_modes ah_capabilities.cap_mode #define ah_ee_version ah_capabilities.cap_eeprom.ee_version - u32 ah_limit_tx_retries; + u8 ah_retry_long; + u8 ah_retry_short; + u8 ah_coverage_class; bool ah_ack_bitrate_high; u8 ah_bwmode; @@ -1067,7 +1064,6 @@ struct ath5k_hw { u8 ah_ant_mode; u8 ah_tx_ant; u8 ah_def_ant; - bool ah_software_retry; struct ath5k_capabilities ah_capabilities; @@ -1162,6 +1158,26 @@ void ath5k_hw_deinit(struct ath5k_hw *ah); int ath5k_sysfs_register(struct ath5k_softc *sc); void ath5k_sysfs_unregister(struct ath5k_softc *sc); +/* base.c */ +struct ath5k_buf; +struct ath5k_txq; + +void set_beacon_filter(struct ieee80211_hw *hw, bool enable); +bool ath_any_vif_assoc(struct ath5k_softc *sc); +void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, + struct ath5k_txq *txq); +int ath5k_init_hw(struct ath5k_softc *sc); +int ath5k_stop_hw(struct ath5k_softc *sc); +void ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif); +void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, + struct ieee80211_vif *vif); +int ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan); +void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); +int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif); +void ath5k_beacon_config(struct ath5k_softc *sc); +void ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf); +void ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf); + /*Chip id helper functions */ const char *ath5k_chip_name(enum ath5k_srev_type type, u_int16_t val); int ath5k_hw_read_srev(struct ath5k_hw *ah); @@ -1250,6 +1266,8 @@ int ath5k_hw_set_tx_queueprops(struct ath5k_hw *ah, int queue, int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type, struct ath5k_txq_info *queue_info); +void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah, + unsigned int queue); u32 ath5k_hw_num_tx_pending(struct ath5k_hw *ah, unsigned int queue); void ath5k_hw_release_tx_queue(struct ath5k_hw *ah, unsigned int queue); int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue); diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index cdac5cff0177..bc8240560488 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -118,8 +118,8 @@ int ath5k_hw_init(struct ath5k_softc *sc) ah->ah_bwmode = AR5K_BWMODE_DEFAULT; ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER; ah->ah_imr = 0; - ah->ah_limit_tx_retries = AR5K_INIT_TX_RETRY; - ah->ah_software_retry = false; + ah->ah_retry_short = AR5K_INIT_RETRY_SHORT; + ah->ah_retry_long = AR5K_INIT_RETRY_LONG; ah->ah_ant_mode = AR5K_ANTMODE_DEFAULT; ah->ah_noise_floor = -95; /* until first NF calibration is run */ sc->ani_state.ani_mode = ATH5K_ANI_MODE_AUTO; @@ -220,7 +220,8 @@ int ath5k_hw_init(struct ath5k_softc *sc) ah->ah_radio = AR5K_RF5112; ah->ah_single_chip = false; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_5112B; - } else if (ah->ah_mac_version == (AR5K_SREV_AR2415 >> 4)) { + } else if (ah->ah_mac_version == (AR5K_SREV_AR2415 >> 4) || + ah->ah_mac_version == (AR5K_SREV_AR2315_R6 >> 4)) { ah->ah_radio = AR5K_RF2316; ah->ah_single_chip = true; ah->ah_radio_5ghz_revision = AR5K_SREV_RAD_2316; diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 09ae4ef0fd51..4d7f21ee111c 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -61,6 +61,9 @@ #include "debug.h" #include "ani.h" +#define CREATE_TRACE_POINTS +#include "trace.h" + int ath5k_modparam_nohwcrypt; module_param_named(nohwcrypt, ath5k_modparam_nohwcrypt, bool, S_IRUGO); MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption."); @@ -242,73 +245,68 @@ static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *re \********************/ /* - * Convert IEEE channel number to MHz frequency. - */ -static inline short -ath5k_ieee2mhz(short chan) -{ - if (chan <= 14 || chan >= 27) - return ieee80211chan2mhz(chan); - else - return 2212 + chan * 20; -} - -/* * Returns true for the channel numbers used without all_channels modparam. */ -static bool ath5k_is_standard_channel(short chan) +static bool ath5k_is_standard_channel(short chan, enum ieee80211_band band) { - return ((chan <= 14) || - /* UNII 1,2 */ - ((chan & 3) == 0 && chan >= 36 && chan <= 64) || + if (band == IEEE80211_BAND_2GHZ && chan <= 14) + return true; + + return /* UNII 1,2 */ + (((chan & 3) == 0 && chan >= 36 && chan <= 64) || /* midband */ ((chan & 3) == 0 && chan >= 100 && chan <= 140) || /* UNII-3 */ - ((chan & 3) == 1 && chan >= 149 && chan <= 165)); + ((chan & 3) == 1 && chan >= 149 && chan <= 165) || + /* 802.11j 5.030-5.080 GHz (20MHz) */ + (chan == 8 || chan == 12 || chan == 16) || + /* 802.11j 4.9GHz (20MHz) */ + (chan == 184 || chan == 188 || chan == 192 || chan == 196)); } static unsigned int -ath5k_copy_channels(struct ath5k_hw *ah, - struct ieee80211_channel *channels, - unsigned int mode, - unsigned int max) +ath5k_setup_channels(struct ath5k_hw *ah, struct ieee80211_channel *channels, + unsigned int mode, unsigned int max) { - unsigned int i, count, size, chfreq, freq, ch; - - if (!test_bit(mode, ah->ah_modes)) - return 0; + unsigned int count, size, chfreq, freq, ch; + enum ieee80211_band band; switch (mode) { case AR5K_MODE_11A: /* 1..220, but 2GHz frequencies are filtered by check_channel */ - size = 220 ; + size = 220; chfreq = CHANNEL_5GHZ; + band = IEEE80211_BAND_5GHZ; break; case AR5K_MODE_11B: case AR5K_MODE_11G: size = 26; chfreq = CHANNEL_2GHZ; + band = IEEE80211_BAND_2GHZ; break; default: ATH5K_WARN(ah->ah_sc, "bad mode, not copying channels\n"); return 0; } - for (i = 0, count = 0; i < size && max > 0; i++) { - ch = i + 1 ; - freq = ath5k_ieee2mhz(ch); + count = 0; + for (ch = 1; ch <= size && count < max; ch++) { + freq = ieee80211_channel_to_frequency(ch, band); + + if (freq == 0) /* mapping failed - not a standard channel */ + continue; /* Check if channel is supported by the chipset */ if (!ath5k_channel_ok(ah, freq, chfreq)) continue; - if (!modparam_all_channels && !ath5k_is_standard_channel(ch)) + if (!modparam_all_channels && + !ath5k_is_standard_channel(ch, band)) continue; /* Write channel info and increment counter */ channels[count].center_freq = freq; - channels[count].band = (chfreq == CHANNEL_2GHZ) ? - IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ; + channels[count].band = band; switch (mode) { case AR5K_MODE_11A: case AR5K_MODE_11G: @@ -319,7 +317,6 @@ ath5k_copy_channels(struct ath5k_hw *ah, } count++; - max--; } return count; @@ -364,7 +361,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw) sband->n_bitrates = 12; sband->channels = sc->channels; - sband->n_channels = ath5k_copy_channels(ah, sband->channels, + sband->n_channels = ath5k_setup_channels(ah, sband->channels, AR5K_MODE_11G, max_c); hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; @@ -390,7 +387,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw) } sband->channels = sc->channels; - sband->n_channels = ath5k_copy_channels(ah, sband->channels, + sband->n_channels = ath5k_setup_channels(ah, sband->channels, AR5K_MODE_11B, max_c); hw->wiphy->bands[IEEE80211_BAND_2GHZ] = sband; @@ -410,7 +407,7 @@ ath5k_setup_bands(struct ieee80211_hw *hw) sband->n_bitrates = 8; sband->channels = &sc->channels[count_c]; - sband->n_channels = ath5k_copy_channels(ah, sband->channels, + sband->n_channels = ath5k_setup_channels(ah, sband->channels, AR5K_MODE_11A, max_c); hw->wiphy->bands[IEEE80211_BAND_5GHZ] = sband; @@ -445,31 +442,9 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan) return ath5k_reset(sc, chan, true); } -static void -ath5k_setcurmode(struct ath5k_softc *sc, unsigned int mode) -{ - sc->curmode = mode; - - if (mode == AR5K_MODE_11A) { - sc->curband = &sc->sbands[IEEE80211_BAND_5GHZ]; - } else { - sc->curband = &sc->sbands[IEEE80211_BAND_2GHZ]; - } -} - -struct ath_vif_iter_data { - const u8 *hw_macaddr; - u8 mask[ETH_ALEN]; - u8 active_mac[ETH_ALEN]; /* first active MAC */ - bool need_set_hw_addr; - bool found_active; - bool any_assoc; - enum nl80211_iftype opmode; -}; - -static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) +void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) { - struct ath_vif_iter_data *iter_data = data; + struct ath5k_vif_iter_data *iter_data = data; int i; struct ath5k_vif *avf = (void *)vif->drv_priv; @@ -499,9 +474,12 @@ static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif) */ if (avf->opmode == NL80211_IFTYPE_AP) iter_data->opmode = NL80211_IFTYPE_AP; - else + else { + if (avf->opmode == NL80211_IFTYPE_STATION) + iter_data->n_stas++; if (iter_data->opmode == NL80211_IFTYPE_UNSPECIFIED) iter_data->opmode = avf->opmode; + } } void @@ -509,7 +487,8 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, struct ieee80211_vif *vif) { struct ath_common *common = ath5k_hw_common(sc->ah); - struct ath_vif_iter_data iter_data; + struct ath5k_vif_iter_data iter_data; + u32 rfilt; /* * Use the hardware MAC address as reference, the hardware uses it @@ -520,12 +499,13 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, iter_data.found_active = false; iter_data.need_set_hw_addr = true; iter_data.opmode = NL80211_IFTYPE_UNSPECIFIED; + iter_data.n_stas = 0; if (vif) - ath_vif_iter(&iter_data, vif->addr, vif); + ath5k_vif_iter(&iter_data, vif->addr, vif); /* Get list of all active MAC addresses */ - ieee80211_iterate_active_interfaces_atomic(sc->hw, ath_vif_iter, + ieee80211_iterate_active_interfaces_atomic(sc->hw, ath5k_vif_iter, &iter_data); memcpy(sc->bssidmask, iter_data.mask, ETH_ALEN); @@ -543,20 +523,19 @@ ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, if (ath5k_hw_hasbssidmask(sc->ah)) ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask); -} -void -ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif) -{ - struct ath5k_hw *ah = sc->ah; - u32 rfilt; + /* Set up RX Filter */ + if (iter_data.n_stas > 1) { + /* If you have multiple STA interfaces connected to + * different APs, ARPs are not received (most of the time?) + * Enabling PROMISC appears to fix that probem. + */ + sc->filter_flags |= AR5K_RX_FILTER_PROM; + } - /* configure rx filter */ rfilt = sc->filter_flags; - ath5k_hw_set_rx_filter(ah, rfilt); + ath5k_hw_set_rx_filter(sc->ah, rfilt); ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "RX filter 0x%x\n", rfilt); - - ath5k_update_bssid_mask_and_opmode(sc, vif); } static inline int @@ -569,7 +548,7 @@ ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix) "hw_rix out of bounds: %x\n", hw_rix)) return 0; - rix = sc->rate_idx[sc->curband->band][hw_rix]; + rix = sc->rate_idx[sc->curchan->band][hw_rix]; if (WARN(rix < 0, "invalid hw_rix: %x\n", hw_rix)) rix = 0; @@ -964,6 +943,7 @@ ath5k_txq_setup(struct ath5k_softc *sc, spin_lock_init(&txq->lock); txq->setup = true; txq->txq_len = 0; + txq->txq_max = ATH5K_TXQ_LEN_MAX; txq->txq_poll_mark = false; txq->txq_stuck = 0; } @@ -1132,7 +1112,7 @@ ath5k_rx_start(struct ath5k_softc *sc) spin_unlock_bh(&sc->rxbuflock); ath5k_hw_start_rx_dma(ah); /* enable recv descriptors */ - ath5k_mode_setup(sc, NULL); /* set filters, etc. */ + ath5k_update_bssid_mask_and_opmode(sc, NULL); /* set filters, etc. */ ath5k_hw_start_rx_pcu(ah); /* re-enable PCU/DMA engine */ return 0; @@ -1376,10 +1356,10 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb, * right now, so it's not too bad... */ rxs->mactime = ath5k_extend_tsf(sc->ah, rs->rs_tstamp); - rxs->flag |= RX_FLAG_TSFT; + rxs->flag |= RX_FLAG_MACTIME_MPDU; rxs->freq = sc->curchan->center_freq; - rxs->band = sc->curband->band; + rxs->band = sc->curchan->band; rxs->signal = sc->ah->ah_noise_floor + rs->rs_rssi; @@ -1394,10 +1374,10 @@ ath5k_receive_frame(struct ath5k_softc *sc, struct sk_buff *skb, rxs->flag |= ath5k_rx_decrypted(sc, skb, rs); if (rxs->rate_idx >= 0 && rs->rs_rate == - sc->curband->bitrates[rxs->rate_idx].hw_value_short) + sc->sbands[sc->curchan->band].bitrates[rxs->rate_idx].hw_value_short) rxs->flag |= RX_FLAG_SHORTPRE; - ath5k_debug_dump_skb(sc, skb, "RX ", 0); + trace_ath5k_rx(sc, skb); ath5k_update_beacon_rssi(sc, skb, rs->rs_rssi); @@ -1533,7 +1513,7 @@ unlock: * TX Handling * \*************/ -int +void ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, struct ath5k_txq *txq) { @@ -1542,7 +1522,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, unsigned long flags; int padsize; - ath5k_debug_dump_skb(sc, skb, "TX ", 1); + trace_ath5k_tx(sc, skb, txq); /* * The hardware expects the header padded to 4 byte boundaries. @@ -1555,7 +1535,7 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, goto drop_packet; } - if (txq->txq_len >= ATH5K_TXQ_LEN_MAX) + if (txq->txq_len >= txq->txq_max) ieee80211_stop_queue(hw, txq->qnum); spin_lock_irqsave(&sc->txbuflock, flags); @@ -1582,16 +1562,15 @@ ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, spin_unlock_irqrestore(&sc->txbuflock, flags); goto drop_packet; } - return NETDEV_TX_OK; + return; drop_packet: dev_kfree_skb_any(skb); - return NETDEV_TX_OK; } static void ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb, - struct ath5k_tx_status *ts) + struct ath5k_txq *txq, struct ath5k_tx_status *ts) { struct ieee80211_tx_info *info; int i; @@ -1643,6 +1622,7 @@ ath5k_tx_frame_completed(struct ath5k_softc *sc, struct sk_buff *skb, else sc->stats.antenna_tx[0]++; /* invalid */ + trace_ath5k_tx_complete(sc, skb, txq, ts); ieee80211_tx_status(sc->hw, skb); } @@ -1679,7 +1659,7 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq) dma_unmap_single(sc->dev, bf->skbaddr, skb->len, DMA_TO_DEVICE); - ath5k_tx_frame_completed(sc, skb, &ts); + ath5k_tx_frame_completed(sc, skb, txq, &ts); } /* @@ -1821,8 +1801,6 @@ ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif) goto out; } - ath5k_debug_dump_skb(sc, skb, "BC ", 1); - ath5k_txbuf_free_skb(sc, avf->bbuf); avf->bbuf->skb = skb; ret = ath5k_beacon_setup(sc, avf->bbuf); @@ -1917,6 +1895,8 @@ ath5k_beacon_send(struct ath5k_softc *sc) sc->opmode == NL80211_IFTYPE_MESH_POINT) ath5k_beacon_update(sc->hw, vif); + trace_ath5k_tx(sc, bf->skb, &sc->txqs[sc->bhalq]); + ath5k_hw_set_txdp(ah, sc->bhalq, bf->daddr); ath5k_hw_start_tx_dma(ah, sc->bhalq); ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n", @@ -2417,7 +2397,8 @@ ath5k_init_softc(struct ath5k_softc *sc, const struct ath_bus_ops *bus_ops) /* set up multi-rate retry capabilities */ if (sc->ah->ah_version == AR5K_AR5212) { hw->max_rates = 4; - hw->max_rate_tries = 11; + hw->max_rate_tries = max(AR5K_INIT_RETRY_SHORT, + AR5K_INIT_RETRY_LONG); } hw->vif_data_size = sizeof(struct ath5k_vif); @@ -2554,7 +2535,6 @@ ath5k_init_hw(struct ath5k_softc *sc) * and then setup of the interrupt mask. */ sc->curchan = sc->hw->conf.channel; - sc->curband = &sc->sbands[sc->curchan->band]; sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL | AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL | AR5K_INT_FATAL | AR5K_INT_GLOBAL | AR5K_INT_MIB; @@ -2681,10 +2661,8 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan, * so we should also free any remaining * tx buffers */ ath5k_drain_tx_buffs(sc); - if (chan) { + if (chan) sc->curchan = chan; - sc->curband = &sc->sbands[chan->band]; - } ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL, skip_pcu); if (ret) { @@ -2782,12 +2760,6 @@ ath5k_init(struct ieee80211_hw *hw) goto err; } - /* NB: setup here so ath5k_rate_update is happy */ - if (test_bit(AR5K_MODE_11A, ah->ah_modes)) - ath5k_setcurmode(sc, AR5K_MODE_11A); - else - ath5k_setcurmode(sc, AR5K_MODE_11B); - /* * Allocate tx+rx descriptors and populate the lists. */ @@ -2946,13 +2918,13 @@ ath5k_deinit_softc(struct ath5k_softc *sc) bool ath_any_vif_assoc(struct ath5k_softc *sc) { - struct ath_vif_iter_data iter_data; + struct ath5k_vif_iter_data iter_data; iter_data.hw_macaddr = NULL; iter_data.any_assoc = false; iter_data.need_set_hw_addr = false; iter_data.found_active = true; - ieee80211_iterate_active_interfaces_atomic(sc->hw, ath_vif_iter, + ieee80211_iterate_active_interfaces_atomic(sc->hw, ath5k_vif_iter, &iter_data); return iter_data.any_assoc; } diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h index 6d511476e4d2..978f1f4ac2f3 100644 --- a/drivers/net/wireless/ath/ath5k/base.h +++ b/drivers/net/wireless/ath/ath5k/base.h @@ -86,6 +86,7 @@ struct ath5k_txq { spinlock_t lock; /* lock on q and link */ bool setup; int txq_len; /* number of queued buffers */ + int txq_max; /* max allowed num of queued buffers */ bool txq_poll_mark; unsigned int txq_stuck; /* informational counter */ }; @@ -183,8 +184,6 @@ struct ath5k_softc { enum nl80211_iftype opmode; struct ath5k_hw *ah; /* Atheros HW */ - struct ieee80211_supported_band *curband; - #ifdef CONFIG_ATH5K_DEBUG struct ath5k_dbg_info debug; /* debug info */ #endif /* CONFIG_ATH5K_DEBUG */ @@ -202,7 +201,6 @@ struct ath5k_softc { #define ATH_STAT_STARTED 4 /* opened & irqs enabled */ unsigned int filter_flags; /* HW flags, AR5K_RX_FILTER_* */ - unsigned int curmode; /* current phy mode */ struct ieee80211_channel *curchan; /* current h/w channel */ u16 nvifs; @@ -262,6 +260,19 @@ struct ath5k_softc { struct survey_info survey; /* collected survey info */ }; +struct ath5k_vif_iter_data { + const u8 *hw_macaddr; + u8 mask[ETH_ALEN]; + u8 active_mac[ETH_ALEN]; /* first active MAC */ + bool need_set_hw_addr; + bool found_active; + bool any_assoc; + enum nl80211_iftype opmode; + int n_stas; +}; +void ath5k_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif); + + #define ath5k_hw_hasbssidmask(_ah) \ (ath5k_hw_get_capability(_ah, AR5K_CAP_BSSIDMASK, 0, NULL) == 0) #define ath5k_hw_hasveol(_ah) \ diff --git a/drivers/net/wireless/ath/ath5k/caps.c b/drivers/net/wireless/ath/ath5k/caps.c index 31cad80e9b01..f77e8a703c5c 100644 --- a/drivers/net/wireless/ath/ath5k/caps.c +++ b/drivers/net/wireless/ath/ath5k/caps.c @@ -32,23 +32,24 @@ */ int ath5k_hw_set_capabilities(struct ath5k_hw *ah) { + struct ath5k_capabilities *caps = &ah->ah_capabilities; u16 ee_header; /* Capabilities stored in the EEPROM */ - ee_header = ah->ah_capabilities.cap_eeprom.ee_header; + ee_header = caps->cap_eeprom.ee_header; if (ah->ah_version == AR5K_AR5210) { /* * Set radio capabilities * (The AR5110 only supports the middle 5GHz band) */ - ah->ah_capabilities.cap_range.range_5ghz_min = 5120; - ah->ah_capabilities.cap_range.range_5ghz_max = 5430; - ah->ah_capabilities.cap_range.range_2ghz_min = 0; - ah->ah_capabilities.cap_range.range_2ghz_max = 0; + caps->cap_range.range_5ghz_min = 5120; + caps->cap_range.range_5ghz_max = 5430; + caps->cap_range.range_2ghz_min = 0; + caps->cap_range.range_2ghz_max = 0; /* Set supported modes */ - __set_bit(AR5K_MODE_11A, ah->ah_capabilities.cap_mode); + __set_bit(AR5K_MODE_11A, caps->cap_mode); } else { /* * XXX The tranceiver supports frequencies from 4920 to 6100GHz @@ -56,9 +57,8 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah) * XXX current ieee80211 implementation because the IEEE * XXX channel mapping does not support negative channel * XXX numbers (2312MHz is channel -19). Of course, this - * XXX doesn't matter because these channels are out of range - * XXX but some regulation domains like MKK (Japan) will - * XXX support frequencies somewhere around 4.8GHz. + * XXX doesn't matter because these channels are out of the + * XXX legal range. */ /* @@ -66,13 +66,14 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah) */ if (AR5K_EEPROM_HDR_11A(ee_header)) { - /* 4920 */ - ah->ah_capabilities.cap_range.range_5ghz_min = 5005; - ah->ah_capabilities.cap_range.range_5ghz_max = 6100; + if (ath_is_49ghz_allowed(caps->cap_eeprom.ee_regdomain)) + caps->cap_range.range_5ghz_min = 4920; + else + caps->cap_range.range_5ghz_min = 5005; + caps->cap_range.range_5ghz_max = 6100; /* Set supported modes */ - __set_bit(AR5K_MODE_11A, - ah->ah_capabilities.cap_mode); + __set_bit(AR5K_MODE_11A, caps->cap_mode); } /* Enable 802.11b if a 2GHz capable radio (2111/5112) is @@ -81,32 +82,29 @@ int ath5k_hw_set_capabilities(struct ath5k_hw *ah) (AR5K_EEPROM_HDR_11G(ee_header) && ah->ah_version != AR5K_AR5211)) { /* 2312 */ - ah->ah_capabilities.cap_range.range_2ghz_min = 2412; - ah->ah_capabilities.cap_range.range_2ghz_max = 2732; + caps->cap_range.range_2ghz_min = 2412; + caps->cap_range.range_2ghz_max = 2732; if (AR5K_EEPROM_HDR_11B(ee_header)) - __set_bit(AR5K_MODE_11B, - ah->ah_capabilities.cap_mode); + __set_bit(AR5K_MODE_11B, caps->cap_mode); if (AR5K_EEPROM_HDR_11G(ee_header) && ah->ah_version != AR5K_AR5211) - __set_bit(AR5K_MODE_11G, - ah->ah_capabilities.cap_mode); + __set_bit(AR5K_MODE_11G, caps->cap_mode); } } /* Set number of supported TX queues */ if (ah->ah_version == AR5K_AR5210) - ah->ah_capabilities.cap_queues.q_tx_num = - AR5K_NUM_TX_QUEUES_NOQCU; + caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES_NOQCU; else - ah->ah_capabilities.cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; + caps->cap_queues.q_tx_num = AR5K_NUM_TX_QUEUES; /* newer hardware has PHY error counters */ if (ah->ah_mac_srev >= AR5K_SREV_AR5213A) - ah->ah_capabilities.cap_has_phyerr_counters = true; + caps->cap_has_phyerr_counters = true; else - ah->ah_capabilities.cap_has_phyerr_counters = false; + caps->cap_has_phyerr_counters = false; return 0; } diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index d2f84d76bb07..0230f30e9e9a 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -308,8 +308,6 @@ static const struct { { ATH5K_DEBUG_CALIBRATE, "calib", "periodic calibration" }, { ATH5K_DEBUG_TXPOWER, "txpower", "transmit power setting" }, { ATH5K_DEBUG_LED, "led", "LED management" }, - { ATH5K_DEBUG_DUMP_RX, "dumprx", "print received skb content" }, - { ATH5K_DEBUG_DUMP_TX, "dumptx", "print transmit skb content" }, { ATH5K_DEBUG_DUMPBANDS, "dumpbands", "dump bands" }, { ATH5K_DEBUG_DMA, "dma", "dma start/stop" }, { ATH5K_DEBUG_ANI, "ani", "adaptive noise immunity" }, @@ -1036,24 +1034,6 @@ ath5k_debug_printrxbuffs(struct ath5k_softc *sc, struct ath5k_hw *ah) } void -ath5k_debug_dump_skb(struct ath5k_softc *sc, - struct sk_buff *skb, const char *prefix, int tx) -{ - char buf[16]; - - if (likely(!((tx && (sc->debug.level & ATH5K_DEBUG_DUMP_TX)) || - (!tx && (sc->debug.level & ATH5K_DEBUG_DUMP_RX))))) - return; - - snprintf(buf, sizeof(buf), "%s %s", wiphy_name(sc->hw->wiphy), prefix); - - print_hex_dump_bytes(buf, DUMP_PREFIX_NONE, skb->data, - min(200U, skb->len)); - - printk(KERN_DEBUG "\n"); -} - -void ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) { struct ath5k_desc *ds = bf->desc; diff --git a/drivers/net/wireless/ath/ath5k/debug.h b/drivers/net/wireless/ath/ath5k/debug.h index 3e34428d5126..b0355aef68d3 100644 --- a/drivers/net/wireless/ath/ath5k/debug.h +++ b/drivers/net/wireless/ath/ath5k/debug.h @@ -116,8 +116,6 @@ enum ath5k_debug_level { ATH5K_DEBUG_CALIBRATE = 0x00000020, ATH5K_DEBUG_TXPOWER = 0x00000040, ATH5K_DEBUG_LED = 0x00000080, - ATH5K_DEBUG_DUMP_RX = 0x00000100, - ATH5K_DEBUG_DUMP_TX = 0x00000200, ATH5K_DEBUG_DUMPBANDS = 0x00000400, ATH5K_DEBUG_DMA = 0x00000800, ATH5K_DEBUG_ANI = 0x00002000, @@ -152,10 +150,6 @@ void ath5k_debug_dump_bands(struct ath5k_softc *sc); void -ath5k_debug_dump_skb(struct ath5k_softc *sc, - struct sk_buff *skb, const char *prefix, int tx); - -void ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf); #else /* no debugging */ @@ -182,10 +176,6 @@ static inline void ath5k_debug_dump_bands(struct ath5k_softc *sc) {} static inline void -ath5k_debug_dump_skb(struct ath5k_softc *sc, - struct sk_buff *skb, const char *prefix, int tx) {} - -static inline void ath5k_debug_printtxbuf(struct ath5k_softc *sc, struct ath5k_buf *bf) {} #endif /* ifdef CONFIG_ATH5K_DEBUG */ diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c index 80e625608bac..b6561f785c6e 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.c +++ b/drivers/net/wireless/ath/ath5k/eeprom.c @@ -72,7 +72,6 @@ static int ath5k_eeprom_init_header(struct ath5k_hw *ah) { struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; - int ret; u16 val; u32 cksum, offset, eep_max = AR5K_EEPROM_INFO_MAX; @@ -192,7 +191,7 @@ static int ath5k_eeprom_read_ants(struct ath5k_hw *ah, u32 *offset, struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; u32 o = *offset; u16 val; - int ret, i = 0; + int i = 0; AR5K_EEPROM_READ(o++, val); ee->ee_switch_settling[mode] = (val >> 8) & 0x7f; @@ -252,7 +251,6 @@ static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset, struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; u32 o = *offset; u16 val; - int ret; ee->ee_n_piers[mode] = 0; AR5K_EEPROM_READ(o++, val); @@ -515,7 +513,6 @@ ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max, int o = *offset; int i = 0; u8 freq1, freq2; - int ret; u16 val; ee->ee_n_piers[mode] = 0; @@ -551,7 +548,7 @@ ath5k_eeprom_init_11a_pcal_freq(struct ath5k_hw *ah, int offset) { struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom; struct ath5k_chan_pcal_info *pcal = ee->ee_pwr_cal_a; - int i, ret; + int i; u16 val; u8 mask; @@ -970,7 +967,6 @@ ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode) u32 offset; u8 i, c; u16 val; - int ret; u8 pd_gains = 0; /* Count how many curves we have and @@ -1228,7 +1224,7 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode) struct ath5k_chan_pcal_info *chinfo; u8 *pdgain_idx = ee->ee_pdc_to_idx[mode]; u32 offset; - int idx, i, ret; + int idx, i; u16 val; u8 pd_gains = 0; @@ -1419,7 +1415,7 @@ ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode) u8 *rate_target_pwr_num; u32 offset; u16 val; - int ret, i; + int i; offset = AR5K_EEPROM_TARGET_PWRSTART(ee->ee_misc1); rate_target_pwr_num = &ee->ee_rate_target_pwr_num[mode]; @@ -1593,7 +1589,7 @@ ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah) struct ath5k_edge_power *rep; unsigned int fmask, pmask; unsigned int ctl_mode; - int ret, i, j; + int i, j; u32 offset; u16 val; @@ -1733,16 +1729,12 @@ int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac) u8 mac_d[ETH_ALEN] = {}; u32 total, offset; u16 data; - int octet, ret; + int octet; - ret = ath5k_hw_nvram_read(ah, 0x20, &data); - if (ret) - return ret; + AR5K_EEPROM_READ(0x20, data); for (offset = 0x1f, octet = 0, total = 0; offset >= 0x1d; offset--) { - ret = ath5k_hw_nvram_read(ah, offset, &data); - if (ret) - return ret; + AR5K_EEPROM_READ(offset, data); total += data; mac_d[octet + 1] = data & 0xff; diff --git a/drivers/net/wireless/ath/ath5k/eeprom.h b/drivers/net/wireless/ath/ath5k/eeprom.h index 7c09e150dbdc..6511c27d938e 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.h +++ b/drivers/net/wireless/ath/ath5k/eeprom.h @@ -241,9 +241,8 @@ enum ath5k_eeprom_freq_bands{ #define AR5K_SPUR_SYMBOL_WIDTH_TURBO_100Hz 6250 #define AR5K_EEPROM_READ(_o, _v) do { \ - ret = ath5k_hw_nvram_read(ah, (_o), &(_v)); \ - if (ret) \ - return ret; \ + if (!ath5k_hw_nvram_read(ah, (_o), &(_v))) \ + return -EIO; \ } while (0) #define AR5K_EEPROM_READ_HDR(_o, _v) \ @@ -269,29 +268,6 @@ enum ath5k_ctl_mode { AR5K_CTL_MODE_M = 15, }; -/* Default CTL ids for the 3 main reg domains. - * Atheros only uses these by default but vendors - * can have up to 32 different CTLs for different - * scenarios. Note that theese values are ORed with - * the mode id (above) so we can have up to 24 CTL - * datasets out of these 3 main regdomains. That leaves - * 8 ids that can be used by vendors and since 0x20 is - * missing from HAL sources i guess this is the set of - * custom CTLs vendors can use. */ -#define AR5K_CTL_FCC 0x10 -#define AR5K_CTL_CUSTOM 0x20 -#define AR5K_CTL_ETSI 0x30 -#define AR5K_CTL_MKK 0x40 - -/* Indicates a CTL with only mode set and - * no reg domain mapping, such CTLs are used - * for world roaming domains or simply when - * a reg domain is not set */ -#define AR5K_CTL_NO_REGDOMAIN 0xf0 - -/* Indicates an empty (invalid) CTL */ -#define AR5K_CTL_NO_CTL 0xff - /* Per channel calibration data, used for power table setup */ struct ath5k_chan_pcal_info_rf5111 { /* Power levels in half dbm units diff --git a/drivers/net/wireless/ath/ath5k/mac80211-ops.c b/drivers/net/wireless/ath/ath5k/mac80211-ops.c index d76d68c99f72..9be29b728b1c 100644 --- a/drivers/net/wireless/ath/ath5k/mac80211-ops.c +++ b/drivers/net/wireless/ath/ath5k/mac80211-ops.c @@ -48,28 +48,11 @@ extern int ath5k_modparam_nohwcrypt; -/* functions used from base.c */ -void set_beacon_filter(struct ieee80211_hw *hw, bool enable); -bool ath_any_vif_assoc(struct ath5k_softc *sc); -int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb, - struct ath5k_txq *txq); -int ath5k_init_hw(struct ath5k_softc *sc); -int ath5k_stop_hw(struct ath5k_softc *sc); -void ath5k_mode_setup(struct ath5k_softc *sc, struct ieee80211_vif *vif); -void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc, - struct ieee80211_vif *vif); -int ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan); -void ath5k_beacon_update_timers(struct ath5k_softc *sc, u64 bc_tsf); -int ath5k_beacon_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif); -void ath5k_beacon_config(struct ath5k_softc *sc); -void ath5k_txbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf); -void ath5k_rxbuf_free_skb(struct ath5k_softc *sc, struct ath5k_buf *bf); - /********************\ * Mac80211 functions * \********************/ -static int +static void ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) { struct ath5k_softc *sc = hw->priv; @@ -77,10 +60,10 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) if (WARN_ON(qnum >= sc->ah->ah_capabilities.cap_queues.q_tx_num)) { dev_kfree_skb_any(skb); - return 0; + return; } - return ath5k_tx_queue(hw, skb, &sc->txqs[qnum]); + ath5k_tx_queue(hw, skb, &sc->txqs[qnum]); } @@ -175,8 +158,7 @@ ath5k_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) memcpy(&avf->lladdr, vif->addr, ETH_ALEN); - ath5k_mode_setup(sc, vif); - + ath5k_update_bssid_mask_and_opmode(sc, vif); ret = 0; end: mutex_unlock(&sc->lock); @@ -226,6 +208,7 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed) struct ath5k_hw *ah = sc->ah; struct ieee80211_conf *conf = &hw->conf; int ret = 0; + int i; mutex_lock(&sc->lock); @@ -243,6 +226,14 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed) ath5k_hw_set_txpower_limit(ah, (conf->power_level * 2)); } + if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) { + ah->ah_retry_long = conf->long_frame_max_tx_count; + ah->ah_retry_short = conf->short_frame_max_tx_count; + + for (i = 0; i < ah->ah_capabilities.cap_queues.q_tx_num; i++) + ath5k_hw_set_tx_retry_limits(ah, i); + } + /* TODO: * 1) Move this on config_interface and handle each case * separately eg. when we have only one STA vif, use @@ -389,6 +380,7 @@ ath5k_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, struct ath5k_softc *sc = hw->priv; struct ath5k_hw *ah = sc->ah; u32 mfilt[2], rfilt; + struct ath5k_vif_iter_data iter_data; /* to count STA interfaces */ mutex_lock(&sc->lock); @@ -462,6 +454,21 @@ ath5k_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags, break; } + iter_data.hw_macaddr = NULL; + iter_data.n_stas = 0; + iter_data.need_set_hw_addr = false; + ieee80211_iterate_active_interfaces_atomic(sc->hw, ath5k_vif_iter, + &iter_data); + + /* Set up RX Filter */ + if (iter_data.n_stas > 1) { + /* If you have multiple STA interfaces connected to + * different APs, ARPs are not received (most of the time?) + * Enabling PROMISC appears to fix that probem. + */ + rfilt |= AR5K_RX_FILTER_PROM; + } + /* Set filters */ ath5k_hw_set_rx_filter(ah, rfilt); @@ -733,6 +740,47 @@ ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant) } +static void ath5k_get_ringparam(struct ieee80211_hw *hw, + u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max) +{ + struct ath5k_softc *sc = hw->priv; + + *tx = sc->txqs[AR5K_TX_QUEUE_ID_DATA_MIN].txq_max; + + *tx_max = ATH5K_TXQ_LEN_MAX; + *rx = *rx_max = ATH_RXBUF; +} + + +static int ath5k_set_ringparam(struct ieee80211_hw *hw, u32 tx, u32 rx) +{ + struct ath5k_softc *sc = hw->priv; + u16 qnum; + + /* only support setting tx ring size for now */ + if (rx != ATH_RXBUF) + return -EINVAL; + + /* restrict tx ring size min/max */ + if (!tx || tx > ATH5K_TXQ_LEN_MAX) + return -EINVAL; + + for (qnum = 0; qnum < ARRAY_SIZE(sc->txqs); qnum++) { + if (!sc->txqs[qnum].setup) + continue; + if (sc->txqs[qnum].qnum < AR5K_TX_QUEUE_ID_DATA_MIN || + sc->txqs[qnum].qnum > AR5K_TX_QUEUE_ID_DATA_MAX) + continue; + + sc->txqs[qnum].txq_max = tx; + if (sc->txqs[qnum].txq_len >= sc->txqs[qnum].txq_max) + ieee80211_stop_queue(hw, sc->txqs[qnum].qnum); + } + + return 0; +} + + const struct ieee80211_ops ath5k_hw_ops = { .tx = ath5k_tx, .start = ath5k_start, @@ -771,4 +819,6 @@ const struct ieee80211_ops ath5k_hw_ops = { /* .napi_poll = not implemented */ .set_antenna = ath5k_set_antenna, .get_antenna = ath5k_get_antenna, + .set_ringparam = ath5k_set_ringparam, + .get_ringparam = ath5k_get_ringparam, }; diff --git a/drivers/net/wireless/ath/ath5k/pci.c b/drivers/net/wireless/ath/ath5k/pci.c index 7f8c5b0e9d2a..66598a0d1df0 100644 --- a/drivers/net/wireless/ath/ath5k/pci.c +++ b/drivers/net/wireless/ath/ath5k/pci.c @@ -69,7 +69,8 @@ static void ath5k_pci_read_cachesize(struct ath_common *common, int *csz) /* * Read from eeprom */ -bool ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data) +static bool +ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data) { struct ath5k_hw *ah = (struct ath5k_hw *) common->ah; u32 status, timeout; @@ -90,15 +91,15 @@ bool ath5k_pci_eeprom_read(struct ath_common *common, u32 offset, u16 *data) status = ath5k_hw_reg_read(ah, AR5K_EEPROM_STATUS); if (status & AR5K_EEPROM_STAT_RDDONE) { if (status & AR5K_EEPROM_STAT_RDERR) - return -EIO; + return false; *data = (u16)(ath5k_hw_reg_read(ah, AR5K_EEPROM_DATA) & 0xffff); - return 0; + return true; } udelay(15); } - return -ETIMEDOUT; + return false; } int ath5k_hw_read_srev(struct ath5k_hw *ah) diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c index 2c9c9e793d4e..3343fb9e4940 100644 --- a/drivers/net/wireless/ath/ath5k/qcu.c +++ b/drivers/net/wireless/ath/ath5k/qcu.c @@ -228,24 +228,9 @@ int ath5k_hw_setup_tx_queue(struct ath5k_hw *ah, enum ath5k_tx_queue queue_type, /* * Set tx retry limits on DCU */ -static void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah, - unsigned int queue) +void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah, + unsigned int queue) { - u32 retry_lg, retry_sh; - - /* - * Calculate and set retry limits - */ - if (ah->ah_software_retry) { - /* XXX Need to test this */ - retry_lg = ah->ah_limit_tx_retries; - retry_sh = retry_lg = retry_lg > AR5K_DCU_RETRY_LMT_SH_RETRY ? - AR5K_DCU_RETRY_LMT_SH_RETRY : retry_lg; - } else { - retry_lg = AR5K_INIT_LG_RETRY; - retry_sh = AR5K_INIT_SH_RETRY; - } - /* Single data queue on AR5210 */ if (ah->ah_version == AR5K_AR5210) { struct ath5k_txq_info *tq = &ah->ah_txq[queue]; @@ -255,25 +240,26 @@ static void ath5k_hw_set_tx_retry_limits(struct ath5k_hw *ah, ath5k_hw_reg_write(ah, (tq->tqi_cw_min << AR5K_NODCU_RETRY_LMT_CW_MIN_S) - | AR5K_REG_SM(AR5K_INIT_SLG_RETRY, - AR5K_NODCU_RETRY_LMT_SLG_RETRY) - | AR5K_REG_SM(AR5K_INIT_SSH_RETRY, - AR5K_NODCU_RETRY_LMT_SSH_RETRY) - | AR5K_REG_SM(retry_lg, AR5K_NODCU_RETRY_LMT_LG_RETRY) - | AR5K_REG_SM(retry_sh, AR5K_NODCU_RETRY_LMT_SH_RETRY), + | AR5K_REG_SM(ah->ah_retry_long, + AR5K_NODCU_RETRY_LMT_SLG_RETRY) + | AR5K_REG_SM(ah->ah_retry_short, + AR5K_NODCU_RETRY_LMT_SSH_RETRY) + | AR5K_REG_SM(ah->ah_retry_long, + AR5K_NODCU_RETRY_LMT_LG_RETRY) + | AR5K_REG_SM(ah->ah_retry_short, + AR5K_NODCU_RETRY_LMT_SH_RETRY), AR5K_NODCU_RETRY_LMT); /* DCU on AR5211+ */ } else { ath5k_hw_reg_write(ah, - AR5K_REG_SM(AR5K_INIT_SLG_RETRY, - AR5K_DCU_RETRY_LMT_SLG_RETRY) | - AR5K_REG_SM(AR5K_INIT_SSH_RETRY, - AR5K_DCU_RETRY_LMT_SSH_RETRY) | - AR5K_REG_SM(retry_lg, AR5K_DCU_RETRY_LMT_LG_RETRY) | - AR5K_REG_SM(retry_sh, AR5K_DCU_RETRY_LMT_SH_RETRY), + AR5K_REG_SM(ah->ah_retry_long, + AR5K_DCU_RETRY_LMT_RTS) + | AR5K_REG_SM(ah->ah_retry_long, + AR5K_DCU_RETRY_LMT_STA_RTS) + | AR5K_REG_SM(max(ah->ah_retry_long, ah->ah_retry_short), + AR5K_DCU_RETRY_LMT_STA_DATA), AR5K_QUEUE_DFS_RETRY_LIMIT(queue)); } - return; } /** diff --git a/drivers/net/wireless/ath/ath5k/reg.h b/drivers/net/wireless/ath/ath5k/reg.h index fd14b9103951..e1c9abd8c879 100644 --- a/drivers/net/wireless/ath/ath5k/reg.h +++ b/drivers/net/wireless/ath/ath5k/reg.h @@ -686,16 +686,15 @@ /* * DCU retry limit registers + * all these fields don't allow zero values */ #define AR5K_DCU_RETRY_LMT_BASE 0x1080 /* Register Address -Queue0 DCU_RETRY_LMT */ -#define AR5K_DCU_RETRY_LMT_SH_RETRY 0x0000000f /* Short retry limit mask */ -#define AR5K_DCU_RETRY_LMT_SH_RETRY_S 0 -#define AR5K_DCU_RETRY_LMT_LG_RETRY 0x000000f0 /* Long retry limit mask */ -#define AR5K_DCU_RETRY_LMT_LG_RETRY_S 4 -#define AR5K_DCU_RETRY_LMT_SSH_RETRY 0x00003f00 /* Station short retry limit mask (?) */ -#define AR5K_DCU_RETRY_LMT_SSH_RETRY_S 8 -#define AR5K_DCU_RETRY_LMT_SLG_RETRY 0x000fc000 /* Station long retry limit mask (?) */ -#define AR5K_DCU_RETRY_LMT_SLG_RETRY_S 14 +#define AR5K_DCU_RETRY_LMT_RTS 0x0000000f /* RTS failure limit. Transmission fails if no CTS is received for this number of times */ +#define AR5K_DCU_RETRY_LMT_RTS_S 0 +#define AR5K_DCU_RETRY_LMT_STA_RTS 0x00003f00 /* STA RTS failure limit. If exceeded CW reset */ +#define AR5K_DCU_RETRY_LMT_STA_RTS_S 8 +#define AR5K_DCU_RETRY_LMT_STA_DATA 0x000fc000 /* STA data failure limit. If exceeded CW reset. */ +#define AR5K_DCU_RETRY_LMT_STA_DATA_S 14 #define AR5K_QUEUE_DFS_RETRY_LIMIT(_q) AR5K_QUEUE_REG(AR5K_DCU_RETRY_LMT_BASE, _q) /* diff --git a/drivers/net/wireless/ath/ath5k/trace.h b/drivers/net/wireless/ath/ath5k/trace.h new file mode 100644 index 000000000000..2de68adb6240 --- /dev/null +++ b/drivers/net/wireless/ath/ath5k/trace.h @@ -0,0 +1,107 @@ +#if !defined(__TRACE_ATH5K_H) || defined(TRACE_HEADER_MULTI_READ) +#define __TRACE_ATH5K_H + +#include <linux/tracepoint.h> +#include "base.h" + +#ifndef CONFIG_ATH5K_TRACER +#undef TRACE_EVENT +#define TRACE_EVENT(name, proto, ...) \ +static inline void trace_ ## name(proto) {} +#endif + +struct sk_buff; + +#define PRIV_ENTRY __field(struct ath5k_softc *, priv) +#define PRIV_ASSIGN __entry->priv = priv + +#undef TRACE_SYSTEM +#define TRACE_SYSTEM ath5k + +TRACE_EVENT(ath5k_rx, + TP_PROTO(struct ath5k_softc *priv, struct sk_buff *skb), + TP_ARGS(priv, skb), + TP_STRUCT__entry( + PRIV_ENTRY + __field(unsigned long, skbaddr) + __dynamic_array(u8, frame, skb->len) + ), + TP_fast_assign( + PRIV_ASSIGN; + __entry->skbaddr = (unsigned long) skb; + memcpy(__get_dynamic_array(frame), skb->data, skb->len); + ), + TP_printk( + "[%p] RX skb=%lx", __entry->priv, __entry->skbaddr + ) +); + +TRACE_EVENT(ath5k_tx, + TP_PROTO(struct ath5k_softc *priv, struct sk_buff *skb, + struct ath5k_txq *q), + + TP_ARGS(priv, skb, q), + + TP_STRUCT__entry( + PRIV_ENTRY + __field(unsigned long, skbaddr) + __field(u8, qnum) + __dynamic_array(u8, frame, skb->len) + ), + + TP_fast_assign( + PRIV_ASSIGN; + __entry->skbaddr = (unsigned long) skb; + __entry->qnum = (u8) q->qnum; + memcpy(__get_dynamic_array(frame), skb->data, skb->len); + ), + + TP_printk( + "[%p] TX skb=%lx q=%d", __entry->priv, __entry->skbaddr, + __entry->qnum + ) +); + +TRACE_EVENT(ath5k_tx_complete, + TP_PROTO(struct ath5k_softc *priv, struct sk_buff *skb, + struct ath5k_txq *q, struct ath5k_tx_status *ts), + + TP_ARGS(priv, skb, q, ts), + + TP_STRUCT__entry( + PRIV_ENTRY + __field(unsigned long, skbaddr) + __field(u8, qnum) + __field(u8, ts_status) + __field(s8, ts_rssi) + __field(u8, ts_antenna) + ), + + TP_fast_assign( + PRIV_ASSIGN; + __entry->skbaddr = (unsigned long) skb; + __entry->qnum = (u8) q->qnum; + __entry->ts_status = ts->ts_status; + __entry->ts_rssi = ts->ts_rssi; + __entry->ts_antenna = ts->ts_antenna; + ), + + TP_printk( + "[%p] TX end skb=%lx q=%d stat=%x rssi=%d ant=%x", + __entry->priv, __entry->skbaddr, __entry->qnum, + __entry->ts_status, __entry->ts_rssi, __entry->ts_antenna + ) +); + +#endif /* __TRACE_ATH5K_H */ + +#ifdef CONFIG_ATH5K_TRACER + +#undef TRACE_INCLUDE_PATH +#define TRACE_INCLUDE_PATH ../../drivers/net/wireless/ath/ath5k +#undef TRACE_INCLUDE_FILE +#define TRACE_INCLUDE_FILE trace + +#include <trace/define_trace.h> + +#endif |