diff options
Diffstat (limited to 'drivers/net/wireless/ath')
27 files changed, 294 insertions, 108 deletions
diff --git a/drivers/net/wireless/ath/ar9170/hw.h b/drivers/net/wireless/ath/ar9170/hw.h index 6cbfb2f83391..3931181f4d93 100644 --- a/drivers/net/wireless/ath/ar9170/hw.h +++ b/drivers/net/wireless/ath/ar9170/hw.h @@ -422,5 +422,6 @@ enum ar9170_txq { #define AR9170_TXQ_DEPTH 32 #define AR9170_TX_MAX_PENDING 128 +#define AR9170_RX_STREAM_MAX_SIZE 65535 #endif /* __AR9170_HW_H */ diff --git a/drivers/net/wireless/ath/ar9170/main.c b/drivers/net/wireless/ath/ar9170/main.c index c1f8c69db165..3e547b59d585 100644 --- a/drivers/net/wireless/ath/ar9170/main.c +++ b/drivers/net/wireless/ath/ar9170/main.c @@ -2526,7 +2526,7 @@ void *ar9170_alloc(size_t priv_size) * tends to split the streams into seperate rx descriptors. */ - skb = __dev_alloc_skb(AR9170_MAX_RX_BUFFER_SIZE, GFP_KERNEL); + skb = __dev_alloc_skb(AR9170_RX_STREAM_MAX_SIZE, GFP_KERNEL); if (!skb) goto err_nomem; diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c index e974e5829e1a..dbcb72930fa3 100644 --- a/drivers/net/wireless/ath/ar9170/usb.c +++ b/drivers/net/wireless/ath/ar9170/usb.c @@ -66,16 +66,28 @@ static struct usb_device_id ar9170_usb_ids[] = { { USB_DEVICE(0x0cf3, 0x1001) }, /* TP-Link TL-WN821N v2 */ { USB_DEVICE(0x0cf3, 0x1002) }, + /* 3Com Dual Band 802.11n USB Adapter */ + { USB_DEVICE(0x0cf3, 0x1010) }, + /* H3C Dual Band 802.11n USB Adapter */ + { USB_DEVICE(0x0cf3, 0x1011) }, /* Cace Airpcap NX */ { USB_DEVICE(0xcace, 0x0300) }, - /* D-Link DWA 160A */ + /* D-Link DWA 160 A1 */ { USB_DEVICE(0x07d1, 0x3c10) }, + /* D-Link DWA 160 A2 */ + { USB_DEVICE(0x07d1, 0x3a09) }, + /* Netgear WNA1000 */ + { USB_DEVICE(0x0846, 0x9040) }, /* Netgear WNDA3100 */ { USB_DEVICE(0x0846, 0x9010) }, /* Netgear WN111 v2 */ { USB_DEVICE(0x0846, 0x9001) }, /* Zydas ZD1221 */ { USB_DEVICE(0x0ace, 0x1221) }, + /* Proxim ORiNOCO 802.11n USB */ + { USB_DEVICE(0x1435, 0x0804) }, + /* WNC Generic 11n USB Dongle */ + { USB_DEVICE(0x1435, 0x0326) }, /* ZyXEL NWD271N */ { USB_DEVICE(0x0586, 0x3417) }, /* Z-Com UB81 BG */ @@ -412,7 +424,7 @@ static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd, spin_unlock_irqrestore(&aru->common.cmdlock, flags); usb_fill_int_urb(urb, aru->udev, - usb_sndbulkpipe(aru->udev, AR9170_EP_CMD), + usb_sndintpipe(aru->udev, AR9170_EP_CMD), aru->common.cmdbuf, plen + 4, ar9170_usb_tx_urb_complete, NULL, 1); diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h index 6cd5efcec417..2c79c78ef2d7 100644 --- a/drivers/net/wireless/ath/ath5k/ath5k.h +++ b/drivers/net/wireless/ath/ath5k/ath5k.h @@ -540,13 +540,12 @@ struct ath5k_txq_info { u32 tqi_cbr_period; /* Constant bit rate period */ u32 tqi_cbr_overflow_limit; u32 tqi_burst_time; - u32 tqi_ready_time; /* Not used */ + u32 tqi_ready_time; /* Time queue waits after an event */ }; /* * Transmit packet types. * used on tx control descriptor - * TODO: Use them inside base.c corectly */ enum ath5k_pkt_type { AR5K_PKT_TYPE_NORMAL = 0, diff --git a/drivers/net/wireless/ath/ath5k/attach.c b/drivers/net/wireless/ath/ath5k/attach.c index 71a1bd254517..88663dfe3b3d 100644 --- a/drivers/net/wireless/ath/ath5k/attach.c +++ b/drivers/net/wireless/ath/ath5k/attach.c @@ -133,6 +133,7 @@ struct ath5k_hw *ath5k_hw_attach(struct ath5k_softc *sc) ah->ah_cw_min = AR5K_TUNE_CWMIN; ah->ah_limit_tx_retries = AR5K_INIT_TX_RETRY; ah->ah_software_retry = false; + ah->ah_current_channel = &sc->channels[0]; /* * Find the mac version diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index 95a8e232b58f..2c4914a52789 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -48,6 +48,7 @@ #include <linux/netdevice.h> #include <linux/cache.h> #include <linux/pci.h> +#include <linux/pci-aspm.h> #include <linux/ethtool.h> #include <linux/uaccess.h> @@ -448,6 +449,26 @@ ath5k_pci_probe(struct pci_dev *pdev, int ret; u8 csz; + /* + * L0s needs to be disabled on all ath5k cards. + * + * For distributions shipping with CONFIG_PCIEASPM (this will be enabled + * by default in the future in 2.6.36) this will also mean both L1 and + * L0s will be disabled when a pre 1.1 PCIe device is detected. We do + * know L1 works correctly even for all ath5k pre 1.1 PCIe devices + * though but cannot currently undue the effect of a blacklist, for + * details you can read pcie_aspm_sanity_check() and see how it adjusts + * the device link capability. + * + * It may be possible in the future to implement some PCI API to allow + * drivers to override blacklists for pre 1.1 PCIe but for now it is + * best to accept that both L0s and L1 will be disabled completely for + * distributions shipping with CONFIG_PCIEASPM rather than having this + * issue present. Motivation for adding this new API will be to help + * with power consumption for some of these devices. + */ + pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S); + ret = pci_enable_device(pdev); if (ret) { dev_err(&pdev->dev, "can't enable device\n"); @@ -1220,6 +1241,29 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf) return 0; } +static enum ath5k_pkt_type get_hw_packet_type(struct sk_buff *skb) +{ + struct ieee80211_hdr *hdr; + enum ath5k_pkt_type htype; + __le16 fc; + + hdr = (struct ieee80211_hdr *)skb->data; + fc = hdr->frame_control; + + if (ieee80211_is_beacon(fc)) + htype = AR5K_PKT_TYPE_BEACON; + else if (ieee80211_is_probe_resp(fc)) + htype = AR5K_PKT_TYPE_PROBE_RESP; + else if (ieee80211_is_atim(fc)) + htype = AR5K_PKT_TYPE_ATIM; + else if (ieee80211_is_pspoll(fc)) + htype = AR5K_PKT_TYPE_PSPOLL; + else + htype = AR5K_PKT_TYPE_NORMAL; + + return htype; +} + static int ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, struct ath5k_txq *txq) @@ -1244,6 +1288,10 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, PCI_DMA_TODEVICE); rate = ieee80211_get_tx_rate(sc->hw, info); + if (!rate) { + ret = -EINVAL; + goto err_unmap; + } if (info->flags & IEEE80211_TX_CTL_NO_ACK) flags |= AR5K_TXDESC_NOACK; @@ -1274,7 +1322,8 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf, sc->vif, pktlen, info)); } ret = ah->ah_setup_tx_desc(ah, ds, pktlen, - ieee80211_get_hdrlen_from_skb(skb), AR5K_PKT_TYPE_NORMAL, + ieee80211_get_hdrlen_from_skb(skb), + get_hw_packet_type(skb), (sc->power_level * 2), hw_rate, info->control.rates[0].count, keyidx, ah->ah_tx_ant, flags, @@ -1487,7 +1536,8 @@ ath5k_beaconq_config(struct ath5k_softc *sc) ret = ath5k_hw_get_tx_queueprops(ah, sc->bhalq, &qi); if (ret) - return ret; + goto err; + if (sc->opmode == NL80211_IFTYPE_AP || sc->opmode == NL80211_IFTYPE_MESH_POINT) { /* @@ -1514,10 +1564,25 @@ ath5k_beaconq_config(struct ath5k_softc *sc) if (ret) { ATH5K_ERR(sc, "%s: unable to update parameters for beacon " "hardware queue!\n", __func__); - return ret; + goto err; } + ret = ath5k_hw_reset_tx_queue(ah, sc->bhalq); /* push to h/w */ + if (ret) + goto err; + + /* reconfigure cabq with ready time to 80% of beacon_interval */ + ret = ath5k_hw_get_tx_queueprops(ah, AR5K_TX_QUEUE_ID_CAB, &qi); + if (ret) + goto err; - return ath5k_hw_reset_tx_queue(ah, sc->bhalq); /* push to h/w */; + qi.tqi_ready_time = (sc->bintval * 80) / 100; + ret = ath5k_hw_set_tx_queueprops(ah, AR5K_TX_QUEUE_ID_CAB, &qi); + if (ret) + goto err; + + ret = ath5k_hw_reset_tx_queue(ah, AR5K_TX_QUEUE_ID_CAB); +err: + return ret; } static void @@ -1778,11 +1843,6 @@ ath5k_tasklet_rx(unsigned long data) return; } - if (unlikely(rs.rs_more)) { - ATH5K_WARN(sc, "unsupported jumbo\n"); - goto next; - } - if (unlikely(rs.rs_status)) { if (rs.rs_status & AR5K_RXERR_PHY) goto next; @@ -1812,6 +1872,8 @@ ath5k_tasklet_rx(unsigned long data) sc->opmode != NL80211_IFTYPE_MONITOR) goto next; } + if (unlikely(rs.rs_more)) + goto next; accept: next_skb = ath5k_rx_skb_alloc(sc, &next_skb_addr); @@ -2349,6 +2411,9 @@ ath5k_init(struct ath5k_softc *sc) */ ath5k_stop_locked(sc); + /* Set PHY calibration interval */ + ah->ah_cal_intval = ath5k_calinterval; + /* * The basic interface to setting the hardware in a good * state is ``reset''. On return the hardware is known to @@ -2376,10 +2441,6 @@ ath5k_init(struct ath5k_softc *sc) /* Set ack to be sent at low bit-rates */ ath5k_hw_set_ack_bitrate_high(ah, false); - - /* Set PHY calibration inteval */ - ah->ah_cal_intval = ath5k_calinterval; - ret = 0; done: mmiowb(); @@ -2936,13 +2997,15 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw, if (changed_flags & (FIF_PROMISC_IN_BSS | FIF_OTHER_BSS)) { if (*new_flags & FIF_PROMISC_IN_BSS) { - rfilt |= AR5K_RX_FILTER_PROM; __set_bit(ATH_STAT_PROMISC, sc->status); } else { __clear_bit(ATH_STAT_PROMISC, sc->status); } } + if (test_bit(ATH_STAT_PROMISC, sc->status)) + rfilt |= AR5K_RX_FILTER_PROM; + /* Note, AR5K_RX_FILTER_MCAST is already enabled */ if (*new_flags & FIF_ALLMULTI) { mfilt[0] = ~0; diff --git a/drivers/net/wireless/ath/ath5k/eeprom.c b/drivers/net/wireless/ath/ath5k/eeprom.c index 644962adda97..9a96550006ad 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.c +++ b/drivers/net/wireless/ath/ath5k/eeprom.c @@ -97,6 +97,7 @@ 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; /* * Read values from EEPROM and store them in the capability structure @@ -111,20 +112,44 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah) if (ah->ah_ee_version < AR5K_EEPROM_VERSION_3_0) return 0; -#ifdef notyet /* * Validate the checksum of the EEPROM date. There are some * devices with invalid EEPROMs. */ - for (cksum = 0, offset = 0; offset < AR5K_EEPROM_INFO_MAX; offset++) { + AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_UPPER, val); + if (val) { + eep_max = (val & AR5K_EEPROM_SIZE_UPPER_MASK) << + AR5K_EEPROM_SIZE_ENDLOC_SHIFT; + AR5K_EEPROM_READ(AR5K_EEPROM_SIZE_LOWER, val); + eep_max = (eep_max | val) - AR5K_EEPROM_INFO_BASE; + + /* + * Fail safe check to prevent stupid loops due + * to busted EEPROMs. XXX: This value is likely too + * big still, waiting on a better value. + */ + if (eep_max > (3 * AR5K_EEPROM_INFO_MAX)) { + ATH5K_ERR(ah->ah_sc, "Invalid max custom EEPROM size: " + "%d (0x%04x) max expected: %d (0x%04x)\n", + eep_max, eep_max, + 3 * AR5K_EEPROM_INFO_MAX, + 3 * AR5K_EEPROM_INFO_MAX); + return -EIO; + } + } + + for (cksum = 0, offset = 0; offset < eep_max; offset++) { AR5K_EEPROM_READ(AR5K_EEPROM_INFO(offset), val); cksum ^= val; } if (cksum != AR5K_EEPROM_INFO_CKSUM) { - ATH5K_ERR(ah->ah_sc, "Invalid EEPROM checksum 0x%04x\n", cksum); + ATH5K_ERR(ah->ah_sc, "Invalid EEPROM " + "checksum: 0x%04x eep_max: 0x%04x (%s)\n", + cksum, eep_max, + eep_max == AR5K_EEPROM_INFO_MAX ? + "default size" : "custom size"); return -EIO; } -#endif AR5K_EEPROM_READ_HDR(AR5K_EEPROM_ANT_GAIN(ah->ah_ee_version), ee_ant_gain); diff --git a/drivers/net/wireless/ath/ath5k/eeprom.h b/drivers/net/wireless/ath/ath5k/eeprom.h index 0123f3521a0b..473a483bb9c3 100644 --- a/drivers/net/wireless/ath/ath5k/eeprom.h +++ b/drivers/net/wireless/ath/ath5k/eeprom.h @@ -37,6 +37,14 @@ #define AR5K_EEPROM_RFKILL_POLARITY_S 1 #define AR5K_EEPROM_REG_DOMAIN 0x00bf /* EEPROM regdom */ + +/* FLASH(EEPROM) Defines for AR531X chips */ +#define AR5K_EEPROM_SIZE_LOWER 0x1b /* size info -- lower */ +#define AR5K_EEPROM_SIZE_UPPER 0x1c /* size info -- upper */ +#define AR5K_EEPROM_SIZE_UPPER_MASK 0xfff0 +#define AR5K_EEPROM_SIZE_UPPER_SHIFT 4 +#define AR5K_EEPROM_SIZE_ENDLOC_SHIFT 12 + #define AR5K_EEPROM_CHECKSUM 0x00c0 /* EEPROM checksum */ #define AR5K_EEPROM_INFO_BASE 0x00c0 /* EEPROM header */ #define AR5K_EEPROM_INFO_MAX (0x400 - AR5K_EEPROM_INFO_BASE) diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c index 1a039f2bd732..9d676474839d 100644 --- a/drivers/net/wireless/ath/ath5k/phy.c +++ b/drivers/net/wireless/ath/ath5k/phy.c @@ -2954,8 +2954,6 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower); return -EINVAL; } - if (txpower == 0) - txpower = AR5K_TUNE_DEFAULT_TXPOWER; /* Reset TX power values */ memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower)); diff --git a/drivers/net/wireless/ath/ath5k/qcu.c b/drivers/net/wireless/ath/ath5k/qcu.c index eeebb9aef206..b7c57259f134 100644 --- a/drivers/net/wireless/ath/ath5k/qcu.c +++ b/drivers/net/wireless/ath/ath5k/qcu.c @@ -408,12 +408,13 @@ int ath5k_hw_reset_tx_queue(struct ath5k_hw *ah, unsigned int queue) break; case AR5K_TX_QUEUE_CAB: + /* XXX: use BCN_SENT_GT, if we can figure out how */ AR5K_REG_ENABLE_BITS(ah, AR5K_QUEUE_MISC(queue), - AR5K_QCU_MISC_FRSHED_BCN_SENT_GT | + AR5K_QCU_MISC_FRSHED_DBA_GT | AR5K_QCU_MISC_CBREXP_DIS | AR5K_QCU_MISC_CBREXP_BCN_DIS); - ath5k_hw_reg_write(ah, ((AR5K_TUNE_BEACON_INTERVAL - + ath5k_hw_reg_write(ah, ((tq->tqi_ready_time - (AR5K_TUNE_SW_BEACON_RESP - AR5K_TUNE_DMA_BEACON_RESP) - AR5K_TUNE_ADDITIONAL_SWBA_BACKOFF) * 1024) | diff --git a/drivers/net/wireless/ath/ath5k/reset.c b/drivers/net/wireless/ath/ath5k/reset.c index 34e13c700849..257ea18c849f 100644 --- a/drivers/net/wireless/ath/ath5k/reset.c +++ b/drivers/net/wireless/ath/ath5k/reset.c @@ -1382,8 +1382,9 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode, * Set clocks to 32KHz operation and use an * external 32KHz crystal when sleeping if one * exists */ - if (ah->ah_version == AR5K_AR5212) - ath5k_hw_set_sleep_clock(ah, true); + if (ah->ah_version == AR5K_AR5212 && + ah->ah_op_mode != NL80211_IFTYPE_AP) + ath5k_hw_set_sleep_clock(ah, true); /* * Disable beacons and reset the register diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 1d59f10f68da..ad1196946c43 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -139,6 +139,7 @@ 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; @@ -367,6 +368,7 @@ void ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid, u16 *ssn); void ath_tx_aggr_stop(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid); +void ath9k_enable_ps(struct ath_softc *sc); /********/ /* VIFs */ @@ -524,6 +526,8 @@ struct ath_led { #define SC_OP_BEACON_SYNC BIT(19) #define SC_OP_BTCOEX_ENABLED BIT(20) #define SC_OP_BT_PRIORITY_DETECTED BIT(21) +#define SC_OP_NULLFUNC_COMPLETED BIT(22) +#define SC_OP_PS_ENABLED BIT(23) struct ath_bus_ops { void (*read_cachesize)(struct ath_softc *sc, int *csz); diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 45c4ea57616b..72e24559ec4b 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -512,16 +512,13 @@ static void ath_beacon_config_ap(struct ath_softc *sc, { u32 nexttbtt, intval; - /* Configure the timers only when the TSF has to be reset */ - - if (!(sc->sc_flags & SC_OP_TSF_RESET)) - return; - /* NB: the beacon interval is kept internally in TU's */ intval = conf->beacon_interval & ATH9K_BEACON_PERIOD; intval /= ATH_BCBUF; /* for staggered beacons */ nexttbtt = intval; - intval |= ATH9K_BEACON_RESET_TSF; + + if (sc->sc_flags & SC_OP_TSF_RESET) + intval |= ATH9K_BEACON_RESET_TSF; /* * In AP mode we enable the beacon timers and SWBA interrupts to diff --git a/drivers/net/wireless/ath/ath9k/eeprom.h b/drivers/net/wireless/ath/ath9k/eeprom.h index 4fe33f7eee9d..a5daa0d318cb 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom.h +++ b/drivers/net/wireless/ath/ath9k/eeprom.h @@ -60,7 +60,7 @@ #define SD_NO_CTL 0xE0 #define NO_CTL 0xff -#define CTL_MODE_M 7 +#define CTL_MODE_M 0xf #define CTL_11A 0 #define CTL_11B 1 #define CTL_11G 2 diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c index 4071fc91da0a..95105782794c 100644 --- a/drivers/net/wireless/ath/ath9k/eeprom_def.c +++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c @@ -714,7 +714,7 @@ static void ath9k_hw_get_def_gain_boundaries_pdadcs(struct ath_hw *ah, vpdTableI[i][sizeCurrVpdTable - 2]); vpdStep = (int16_t)((vpdStep < 1) ? 1 : vpdStep); - if (tgtIndex > maxIndex) { + if (tgtIndex >= maxIndex) { while ((ss <= tgtIndex) && (k < (AR5416_NUM_PDADC_VALUES - 1))) { tmpVal = (int16_t)((vpdTableI[i][sizeCurrVpdTable - 1] + diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index ca7694caf364..aed75eb4d2b7 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -398,7 +398,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah) ah->config.pcie_clock_req = 0; ah->config.pcie_waen = 0; ah->config.analog_shiftreg = 1; - ah->config.ht_enable = 1; ah->config.ofdm_trig_low = 200; ah->config.ofdm_trig_high = 500; ah->config.cck_trig_high = 200; @@ -412,6 +411,11 @@ static void ath9k_hw_init_config(struct ath_hw *ah) ah->config.spurchans[i][1] = AR_NO_SPUR; } + if (ah->hw_version.devid != AR2427_DEVID_PCIE) + ah->config.ht_enable = 1; + else + ah->config.ht_enable = 0; + ah->config.intr_mitigation = true; /* @@ -617,6 +621,7 @@ static bool ath9k_hw_devid_supported(u16 devid) case AR9285_DEVID_PCIE: case AR5416_DEVID_AR9287_PCI: case AR5416_DEVID_AR9287_PCIE: + case AR2427_DEVID_PCIE: return true; default: break; @@ -880,12 +885,11 @@ static void ath9k_hw_init_mode_gain_regs(struct ath_hw *ah) } } -static void ath9k_hw_init_11a_eeprom_fix(struct ath_hw *ah) +static void ath9k_hw_init_eeprom_fix(struct ath_hw *ah) { u32 i, j; - if ((ah->hw_version.devid == AR9280_DEVID_PCI) && - test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes)) { + if (ah->hw_version.devid == AR9280_DEVID_PCI) { /* EEPROM Fixup */ for (i = 0; i < ah->iniModes.ia_rows; i++) { @@ -925,7 +929,8 @@ int ath9k_hw_init(struct ath_hw *ah) if (ah->config.serialize_regmode == SER_REG_MODE_AUTO) { if (ah->hw_version.macVersion == AR_SREV_VERSION_5416_PCI || - (AR_SREV_9280(ah) && !ah->is_pciexpress)) { + ((AR_SREV_9160(ah) || AR_SREV_9280(ah)) && + !ah->is_pciexpress)) { ah->config.serialize_regmode = SER_REG_MODE_ON; } else { @@ -937,6 +942,11 @@ int ath9k_hw_init(struct ath_hw *ah) DPRINTF(ah->ah_sc, 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)) { DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Mac Chip Rev 0x%02x.%x is not supported by " @@ -975,7 +985,7 @@ int ath9k_hw_init(struct ath_hw *ah) ath9k_hw_init_mode_gain_regs(ah); ath9k_hw_fill_cap_info(ah); - ath9k_hw_init_11a_eeprom_fix(ah); + ath9k_hw_init_eeprom_fix(ah); r = ath9k_hw_init_macaddr(ah); if (r) { @@ -1291,6 +1301,16 @@ static void ath9k_hw_override_ini(struct ath_hw *ah, * Necessary to avoid issues on AR5416 2.0 */ REG_WRITE(ah, 0x9800 + (651 << 2), 0x11); + + /* + * Disable RIFS search on some chips to avoid baseband + * hang issues. + */ + if (AR_SREV_9100(ah) || AR_SREV_9160(ah)) { + val = REG_READ(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS); + val &= ~AR_PHY_RIFS_INIT_DELAY; + REG_WRITE(ah, AR_PHY_HEAVY_CLIP_FACTOR_RIFS, val); + } } static u32 ath9k_hw_def_ini_fixup(struct ath_hw *ah, @@ -2383,7 +2403,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, macStaId1 = REG_READ(ah, AR_STA_ID1) & AR_STA_ID1_BASE_RATE_11B; /* For chips on which RTC reset is done, save TSF before it gets cleared */ - if (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) + if (AR_SREV_9100(ah) || + (AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))) tsf = ath9k_hw_gettsf64(ah); saveLedState = REG_READ(ah, AR_CFG_LED) & @@ -2413,7 +2434,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, } /* Restore TSF */ - if (tsf && AR_SREV_9280(ah) && ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL)) + if (tsf) ath9k_hw_settsf64(ah, tsf); if (AR_SREV_9280_10_OR_LATER(ah)) @@ -2433,6 +2454,17 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (r) return r; + /* + * Some AR91xx SoC devices frequently fail to accept TSF writes + * right after the chip reset. When that happens, write a new + * value after the initvals have been applied, with an offset + * based on measured time difference + */ + if (AR_SREV_9100(ah) && (ath9k_hw_gettsf64(ah) < tsf)) { + tsf += 1500; + ath9k_hw_settsf64(ah, tsf); + } + /* Setup MFP options for CCMP */ if (AR_SREV_9280_20_OR_LATER(ah)) { /* Mask Retry(b11), PwrMgt(b12), MoreData(b13) to 0 in mgmt @@ -3670,7 +3702,11 @@ 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; diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index b89234571829..262556ad62f2 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -37,6 +37,7 @@ #define AR9280_DEVID_PCI 0x0029 #define AR9280_DEVID_PCIE 0x002a #define AR9285_DEVID_PCIE 0x002b +#define AR2427_DEVID_PCIE 0x002c #define AR5416_AR9100_DEVID 0x000b #define AR_SUBVENDOR_ID_NOG 0x0e11 #define AR_SUBVENDOR_ID_NEW_A 0x7065 @@ -218,6 +219,7 @@ 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 { @@ -407,7 +409,7 @@ struct ath9k_hw_version { * Using de Bruijin sequence to to look up 1's index in a 32 bit number * debruijn32 = 0000 0111 0111 1100 1011 0101 0011 0001 */ -#define debruijn32 0x077CB531UL +#define debruijn32 0x077CB531U struct ath_gen_timer_configuration { u32 next_addr; diff --git a/drivers/net/wireless/ath/ath9k/initvals.h b/drivers/net/wireless/ath/ath9k/initvals.h index 8622265a030a..a21c214a3e4d 100644 --- a/drivers/net/wireless/ath/ath9k/initvals.h +++ b/drivers/net/wireless/ath/ath9k/initvals.h @@ -2762,7 +2762,7 @@ static const u32 ar9280Common_9280_2[][2] = { { 0x00008258, 0x00000000 }, { 0x0000825c, 0x400000ff }, { 0x00008260, 0x00080922 }, - { 0x00008264, 0xa8a00010 }, + { 0x00008264, 0x88a00010 }, { 0x00008270, 0x00000000 }, { 0x00008274, 0x40000000 }, { 0x00008278, 0x003e4180 }, @@ -3935,7 +3935,7 @@ static const u_int32_t ar9285Common_9285[][2] = { { 0x00008258, 0x00000000 }, { 0x0000825c, 0x400000ff }, { 0x00008260, 0x00080922 }, - { 0x00008264, 0xa8a00010 }, + { 0x00008264, 0x88a00010 }, { 0x00008270, 0x00000000 }, { 0x00008274, 0x40000000 }, { 0x00008278, 0x003e4180 }, @@ -5072,7 +5072,7 @@ static const u_int32_t ar9287Common_9287_1_0[][2] = { { 0x00008258, 0x00000000 }, { 0x0000825c, 0x400000ff }, { 0x00008260, 0x00080922 }, - { 0x00008264, 0xa8a00010 }, + { 0x00008264, 0x88a00010 }, { 0x00008270, 0x00000000 }, { 0x00008274, 0x40000000 }, { 0x00008278, 0x003e4180 }, @@ -6864,7 +6864,7 @@ static const u_int32_t ar9271Common_9271_1_0[][2] = { { 0x00008258, 0x00000000 }, { 0x0000825c, 0x400000ff }, { 0x00008260, 0x00080922 }, - { 0x00008264, 0xa8a00010 }, + { 0x00008264, 0x88a00010 }, { 0x00008270, 0x00000000 }, { 0x00008274, 0x40000000 }, { 0x00008278, 0x003e4180 }, diff --git a/drivers/net/wireless/ath/ath9k/mac.c b/drivers/net/wireless/ath/ath9k/mac.c index 800bfab94635..110c16dd465c 100644 --- a/drivers/net/wireless/ath/ath9k/mac.c +++ b/drivers/net/wireless/ath/ath9k/mac.c @@ -70,7 +70,7 @@ 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); @@ -79,7 +79,7 @@ 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--; @@ -155,7 +155,7 @@ bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q) wait = wait_time; while (ath9k_hw_numtxpending(ah, q)) { if ((--wait) == 0) { - DPRINTF(ah->ah_sc, ATH_DBG_QUEUE, + DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Failed to stop TX DMA in 100 " "msec after killing last frame\n"); break; @@ -222,6 +222,8 @@ 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) diff --git a/drivers/net/wireless/ath/ath9k/mac.h b/drivers/net/wireless/ath/ath9k/mac.h index f56e77da6c3e..9720c4dc9599 100644 --- a/drivers/net/wireless/ath/ath9k/mac.h +++ b/drivers/net/wireless/ath/ath9k/mac.h @@ -76,6 +76,10 @@ #define ATH9K_TXERR_FIFO 0x04 #define ATH9K_TXERR_XTXOP 0x08 #define ATH9K_TXERR_TIMER_EXPIRED 0x10 +#define ATH9K_TX_ACKED 0x20 +#define ATH9K_TXERR_MASK \ + (ATH9K_TXERR_XRETRY | ATH9K_TXERR_FILT | ATH9K_TXERR_FIFO | \ + ATH9K_TXERR_XTXOP | ATH9K_TXERR_TIMER_EXPIRED) #define ATH9K_TX_BA 0x01 #define ATH9K_TX_PWRMGMT 0x02 diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 43d2be9867fc..0c349cece951 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1538,14 +1538,19 @@ bad_no_ah: void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) { + struct ath_hw *ah = sc->sc_ah; + hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING | IEEE80211_HW_SIGNAL_DBM | - IEEE80211_HW_AMPDU_AGGREGATION | IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_PS_NULLFUNC_STACK | + IEEE80211_HW_REPORTS_TX_ACK_STATUS | IEEE80211_HW_SPECTRUM_MGMT; + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) + hw->flags |= IEEE80211_HW_AMPDU_AGGREGATION; + if (AR_SREV_9160_10_OR_LATER(sc->sc_ah) || modparam_nohwcrypt) hw->flags |= IEEE80211_HW_MFP_CAPABLE; @@ -1555,7 +1560,10 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw) BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_MESH_POINT); - hw->wiphy->ps_default = false; + if (AR_SREV_5416(ah)) + hw->wiphy->ps_default = false; + else + hw->wiphy->ps_default = true; hw->queues = 4; hw->max_rates = 4; @@ -2147,6 +2155,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) return; /* another wiphy still in use */ } + /* Ensure HW is awake when we try to shut it down. */ + ath9k_ps_wakeup(sc); + if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) { ath9k_hw_btcoex_disable(sc->sc_ah); if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE) @@ -2167,6 +2178,9 @@ static void ath9k_stop(struct ieee80211_hw *hw) /* disable HAL and put h/w to sleep */ ath9k_hw_disable(sc->sc_ah); ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1); + ath9k_ps_restore(sc); + + /* Finally, put the chip in FULL SLEEP mode */ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP); sc->sc_flags |= SC_OP_INVALID; @@ -2277,10 +2291,12 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) || (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) || (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) { + ath9k_ps_wakeup(sc); ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq); - ath_beacon_return(sc, avp); + ath9k_ps_restore(sc); } + ath_beacon_return(sc, avp); sc->sc_flags &= ~SC_OP_BEACONS; for (i = 0; i < ARRAY_SIZE(sc->beacon.bslot); i++) { @@ -2297,6 +2313,19 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw, mutex_unlock(&sc->mutex); } +void ath9k_enable_ps(struct ath_softc *sc) +{ + sc->ps_enabled = true; + if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { + if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) { + sc->imask |= ATH9K_INT_TIM_TIMER; + ath9k_hw_set_interrupts(sc->sc_ah, + sc->imask); + } + } + ath9k_hw_setrxabort(sc->sc_ah, 1); +} + static int ath9k_config(struct ieee80211_hw *hw, u32 changed) { struct ath_wiphy *aphy = hw->priv; @@ -2327,18 +2356,15 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) if (changed & IEEE80211_CONF_CHANGE_PS) { if (conf->flags & IEEE80211_CONF_PS) { - if (!(ah->caps.hw_caps & - ATH9K_HW_CAP_AUTOSLEEP)) { - if ((sc->imask & ATH9K_INT_TIM_TIMER) == 0) { - sc->imask |= ATH9K_INT_TIM_TIMER; - ath9k_hw_set_interrupts(sc->sc_ah, - sc->imask); - } - ath9k_hw_setrxabort(sc->sc_ah, 1); + sc->sc_flags |= SC_OP_PS_ENABLED; + if ((sc->sc_flags & SC_OP_NULLFUNC_COMPLETED)) { + sc->sc_flags &= ~SC_OP_NULLFUNC_COMPLETED; + ath9k_enable_ps(sc); } - sc->ps_enabled = true; } else { sc->ps_enabled = false; + sc->sc_flags &= ~(SC_OP_PS_ENABLED | + SC_OP_NULLFUNC_COMPLETED); ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE); if (!(ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { @@ -2717,15 +2743,21 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw, case IEEE80211_AMPDU_RX_STOP: break; case IEEE80211_AMPDU_TX_START: + ath9k_ps_wakeup(sc); ath_tx_aggr_start(sc, sta, tid, ssn); ieee80211_start_tx_ba_cb_irqsafe(hw, sta->addr, tid); + ath9k_ps_restore(sc); break; case IEEE80211_AMPDU_TX_STOP: + ath9k_ps_wakeup(sc); ath_tx_aggr_stop(sc, sta, tid); ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid); + ath9k_ps_restore(sc); break; case IEEE80211_AMPDU_TX_OPERATIONAL: + ath9k_ps_wakeup(sc); ath_tx_aggr_resume(sc, sta, tid); + ath9k_ps_restore(sc); break; default: DPRINTF(sc, ATH_DBG_FATAL, "Unknown AMPDU action\n"); diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 903dd8ad9d43..14cf3fe95001 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -25,6 +25,7 @@ static struct pci_device_id ath_pci_id_table[] __devinitdata = { { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI */ { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */ { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */ + { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */ { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI */ { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */ { 0 } diff --git a/drivers/net/wireless/ath/ath9k/phy.h b/drivers/net/wireless/ath/ath9k/phy.h index dfda6f444648..b36ec9454460 100644 --- a/drivers/net/wireless/ath/ath9k/phy.h +++ b/drivers/net/wireless/ath/ath9k/phy.h @@ -368,6 +368,9 @@ bool ath9k_hw_init_rf(struct ath_hw *ah, #define AR_PHY_HEAVY_CLIP_ENABLE 0x99E0 +#define AR_PHY_HEAVY_CLIP_FACTOR_RIFS 0x99EC +#define AR_PHY_RIFS_INIT_DELAY 0x03ff0000 + #define AR_PHY_M_SLEEP 0x99f0 #define AR_PHY_REFCLKDLY 0x99f4 #define AR_PHY_REFCLKPD 0x99f8 diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 1895d63aad0a..fd397aa439c9 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -757,7 +757,7 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_tx_rate *rates = tx_info->control.rates; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; __le16 fc = hdr->frame_control; - u8 try_per_rate, i = 0, rix, nrix; + u8 try_per_rate, i = 0, rix; int is_probe = 0; if (rate_control_send_low(sta, priv_sta, txrc)) @@ -777,26 +777,25 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, rate_table = sc->cur_rate_table; rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe); - nrix = rix; if (is_probe) { /* set one try for probe rates. For the * probes don't enable rts */ ath_rc_rate_set_series(rate_table, &rates[i++], txrc, - 1, nrix, 0); + 1, rix, 0); /* Get the next tried/allowed rate. No RTS for the next series * after the probe rate */ - ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix); + ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix); ath_rc_rate_set_series(rate_table, &rates[i++], txrc, - try_per_rate, nrix, 0); + try_per_rate, rix, 0); tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE; } else { /* Set the choosen rate. No RTS for first series entry. */ ath_rc_rate_set_series(rate_table, &rates[i++], txrc, - try_per_rate, nrix, 0); + try_per_rate, rix, 0); } /* Fill in the other rates for multirate retry */ @@ -805,10 +804,10 @@ static void ath_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta, if (i + 1 == 4) try_per_rate = 4; - ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &nrix); + ath_rc_get_lower_rix(rate_table, ath_rc_priv, rix, &rix); /* All other rates in the series have RTS enabled */ ath_rc_rate_set_series(rate_table, &rates[i], txrc, - try_per_rate, nrix, 1); + try_per_rate, rix, 1); } /* diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index d83b77f821e9..c0d7e65bf6d4 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -969,10 +969,10 @@ enum { #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_S 4 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_DEF 0x00000080 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_DEF_S 7 +#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB 0x00000400 +#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB_S 10 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB 0x00001000 #define AR_GPIO_INPUT_EN_VAL_BT_ACTIVE_BB_S 12 -#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB 0x00001000 -#define AR_GPIO_INPUT_EN_VAL_BT_PRIORITY_BB_S 1 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB 0x00008000 #define AR_GPIO_INPUT_EN_VAL_RFSILENT_BB_S 15 #define AR_GPIO_RTC_RESET_OVERRIDE_ENABLE 0x00010000 diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 42551a48c8ac..6a04681631d1 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -423,6 +423,14 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, bf = bf_next; } + /* prepend un-acked frames to the beginning of the pending frame queue */ + if (!list_empty(&bf_pending)) { + spin_lock_bh(&txq->axq_lock); + list_splice(&bf_pending, &tid->buf_q); + ath_tx_queue_tid(txq, tid); + spin_unlock_bh(&txq->axq_lock); + } + if (tid->state & AGGR_CLEANUP) { if (tid->baw_head == tid->baw_tail) { tid->state &= ~AGGR_ADDBA_COMPLETE; @@ -435,14 +443,6 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq, return; } - /* prepend un-acked frames to the beginning of the pending frame queue */ - if (!list_empty(&bf_pending)) { - spin_lock_bh(&txq->axq_lock); - list_splice(&bf_pending, &tid->buf_q); - ath_tx_queue_tid(txq, tid); - spin_unlock_bh(&txq->axq_lock); - } - rcu_read_unlock(); if (needreset) @@ -1076,10 +1076,10 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) if (npend) { int r; - DPRINTF(sc, ATH_DBG_XMIT, "Unable to stop TxDMA. Reset HAL!\n"); + DPRINTF(sc, ATH_DBG_FATAL, "Unable to stop TxDMA. Reset HAL!\n"); spin_lock_bh(&sc->sc_resetlock); - r = ath9k_hw_reset(ah, sc->sc_ah->curchan, true); + r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false); if (r) DPRINTF(sc, ATH_DBG_FATAL, "Unable to reset hardware; reset status %d\n", @@ -1320,25 +1320,6 @@ static enum ath9k_pkt_type get_hw_packet_type(struct sk_buff *skb) return htype; } -static bool is_pae(struct sk_buff *skb) -{ - struct ieee80211_hdr *hdr; - __le16 fc; - - hdr = (struct ieee80211_hdr *)skb->data; - fc = hdr->frame_control; - - if (ieee80211_is_data(fc)) { - if (ieee80211_is_nullfunc(fc) || - /* Port Access Entity (IEEE 802.1X) */ - (skb->protocol == cpu_to_be16(ETH_P_PAE))) { - return true; - } - } - - return false; -} - static int get_hw_crypto_keytype(struct sk_buff *skb) { struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); @@ -1563,7 +1544,7 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf, bf->bf_frmlen = skb->len + FCS_LEN - (hdrlen & 3); - if (conf_is_ht(&sc->hw->conf) && !is_pae(skb)) + if (conf_is_ht(&sc->hw->conf)) bf->bf_state.bf_type |= BUF_HT; bf->bf_flags = setup_tx_flags(sc, skb, txctl->txq); @@ -1592,6 +1573,13 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf, } bf->bf_buf_addr = bf->bf_dmacontext; + + 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; } @@ -1989,6 +1977,14 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) if (ds == txq->axq_gatingds) txq->axq_gatingds = NULL; + if (bf->bf_isnullfunc && + (ds->ds_txstat.ts_status & ATH9K_TX_ACKED)) { + if ((sc->sc_flags & SC_OP_PS_ENABLED)) + ath9k_enable_ps(sc); + 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 @@ -2004,7 +2000,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) if (bf_isaggr(bf)) txq->axq_aggr_depth--; - txok = (ds->ds_txstat.ts_status == 0); + txok = !(ds->ds_txstat.ts_status & ATH9K_TXERR_MASK); txq->axq_tx_inprogress = false; spin_unlock_bh(&txq->axq_lock); @@ -2065,7 +2061,9 @@ static void ath_tx_complete_poll_work(struct work_struct *work) if (needreset) { DPRINTF(sc, ATH_DBG_RESET, "tx hung, resetting the chip\n"); + ath9k_ps_wakeup(sc); ath_reset(sc, false); + ath9k_ps_restore(sc); } ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, diff --git a/drivers/net/wireless/ath/regd.h b/drivers/net/wireless/ath/regd.h index c1dd857697a7..21cf5215f6f6 100644 --- a/drivers/net/wireless/ath/regd.h +++ b/drivers/net/wireless/ath/regd.h @@ -31,7 +31,6 @@ enum ctl_group { #define NO_CTL 0xff #define SD_NO_CTL 0xE0 #define NO_CTL 0xff -#define CTL_MODE_M 7 #define CTL_11A 0 #define CTL_11B 1 #define CTL_11G 2 |