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path: root/drivers/net/wireless/ath/ath5k/base.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath5k/base.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c473
1 files changed, 262 insertions, 211 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index 029c1bc7468f..9c6ab5378f6e 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -59,7 +59,7 @@
#include "reg.h"
#include "debug.h"
-static int ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */
+static u8 ath5k_calinterval = 10; /* Calibrate PHY every 10 secs (TODO: Fixme) */
static int modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
@@ -84,24 +84,24 @@ MODULE_VERSION("0.6.0 (EXPERIMENTAL)");
/* Known PCI ids */
static const struct pci_device_id ath5k_pci_id_table[] = {
- { PCI_VDEVICE(ATHEROS, 0x0207), .driver_data = AR5K_AR5210 }, /* 5210 early */
- { PCI_VDEVICE(ATHEROS, 0x0007), .driver_data = AR5K_AR5210 }, /* 5210 */
- { PCI_VDEVICE(ATHEROS, 0x0011), .driver_data = AR5K_AR5211 }, /* 5311 - this is on AHB bus !*/
- { PCI_VDEVICE(ATHEROS, 0x0012), .driver_data = AR5K_AR5211 }, /* 5211 */
- { PCI_VDEVICE(ATHEROS, 0x0013), .driver_data = AR5K_AR5212 }, /* 5212 */
- { PCI_VDEVICE(3COM_2, 0x0013), .driver_data = AR5K_AR5212 }, /* 3com 5212 */
- { PCI_VDEVICE(3COM, 0x0013), .driver_data = AR5K_AR5212 }, /* 3com 3CRDAG675 5212 */
- { PCI_VDEVICE(ATHEROS, 0x1014), .driver_data = AR5K_AR5212 }, /* IBM minipci 5212 */
- { PCI_VDEVICE(ATHEROS, 0x0014), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0015), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0016), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0017), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0018), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x0019), .driver_data = AR5K_AR5212 }, /* 5212 combatible */
- { PCI_VDEVICE(ATHEROS, 0x001a), .driver_data = AR5K_AR5212 }, /* 2413 Griffin-lite */
- { PCI_VDEVICE(ATHEROS, 0x001b), .driver_data = AR5K_AR5212 }, /* 5413 Eagle */
- { PCI_VDEVICE(ATHEROS, 0x001c), .driver_data = AR5K_AR5212 }, /* PCI-E cards */
- { PCI_VDEVICE(ATHEROS, 0x001d), .driver_data = AR5K_AR5212 }, /* 2417 Nala */
+ { PCI_VDEVICE(ATHEROS, 0x0207) }, /* 5210 early */
+ { PCI_VDEVICE(ATHEROS, 0x0007) }, /* 5210 */
+ { PCI_VDEVICE(ATHEROS, 0x0011) }, /* 5311 - this is on AHB bus !*/
+ { PCI_VDEVICE(ATHEROS, 0x0012) }, /* 5211 */
+ { PCI_VDEVICE(ATHEROS, 0x0013) }, /* 5212 */
+ { PCI_VDEVICE(3COM_2, 0x0013) }, /* 3com 5212 */
+ { PCI_VDEVICE(3COM, 0x0013) }, /* 3com 3CRDAG675 5212 */
+ { PCI_VDEVICE(ATHEROS, 0x1014) }, /* IBM minipci 5212 */
+ { PCI_VDEVICE(ATHEROS, 0x0014) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x0015) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x0016) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x0017) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x0018) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x0019) }, /* 5212 combatible */
+ { PCI_VDEVICE(ATHEROS, 0x001a) }, /* 2413 Griffin-lite */
+ { PCI_VDEVICE(ATHEROS, 0x001b) }, /* 5413 Eagle */
+ { PCI_VDEVICE(ATHEROS, 0x001c) }, /* PCI-E cards */
+ { PCI_VDEVICE(ATHEROS, 0x001d) }, /* 2417 Nala */
{ 0 }
};
MODULE_DEVICE_TABLE(pci, ath5k_pci_id_table);
@@ -218,6 +218,8 @@ static struct pci_driver ath5k_pci_driver = {
* Prototypes - MAC 802.11 stack related functions
*/
static int ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath5k_txq *txq);
static int ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan);
static int ath5k_reset_wake(struct ath5k_softc *sc);
static int ath5k_start(struct ieee80211_hw *hw);
@@ -227,10 +229,12 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
static void ath5k_remove_interface(struct ieee80211_hw *hw,
struct ieee80211_if_init_conf *conf);
static int ath5k_config(struct ieee80211_hw *hw, u32 changed);
+static u64 ath5k_prepare_multicast(struct ieee80211_hw *hw,
+ int mc_count, struct dev_addr_list *mc_list);
static void ath5k_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags,
- int mc_count, struct dev_mc_list *mclist);
+ u64 multicast);
static int ath5k_set_key(struct ieee80211_hw *hw,
enum set_key_cmd cmd,
struct ieee80211_vif *vif, struct ieee80211_sta *sta,
@@ -248,6 +252,8 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
u32 changes);
+static void ath5k_sw_scan_start(struct ieee80211_hw *hw);
+static void ath5k_sw_scan_complete(struct ieee80211_hw *hw);
static const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
@@ -256,6 +262,7 @@ static const struct ieee80211_ops ath5k_hw_ops = {
.add_interface = ath5k_add_interface,
.remove_interface = ath5k_remove_interface,
.config = ath5k_config,
+ .prepare_multicast = ath5k_prepare_multicast,
.configure_filter = ath5k_configure_filter,
.set_key = ath5k_set_key,
.get_stats = ath5k_get_stats,
@@ -265,6 +272,8 @@ static const struct ieee80211_ops ath5k_hw_ops = {
.set_tsf = ath5k_set_tsf,
.reset_tsf = ath5k_reset_tsf,
.bss_info_changed = ath5k_bss_info_changed,
+ .sw_scan_start = ath5k_sw_scan_start,
+ .sw_scan_complete = ath5k_sw_scan_complete,
};
/*
@@ -297,7 +306,8 @@ static void ath5k_desc_free(struct ath5k_softc *sc,
static int ath5k_rxbuf_setup(struct ath5k_softc *sc,
struct ath5k_buf *bf);
static int ath5k_txbuf_setup(struct ath5k_softc *sc,
- struct ath5k_buf *bf);
+ struct ath5k_buf *bf,
+ struct ath5k_txq *txq);
static inline void ath5k_txbuf_free(struct ath5k_softc *sc,
struct ath5k_buf *bf)
{
@@ -369,7 +379,7 @@ static int ath5k_stop_hw(struct ath5k_softc *sc);
static irqreturn_t ath5k_intr(int irq, void *dev_id);
static void ath5k_tasklet_reset(unsigned long data);
-static void ath5k_calibrate(unsigned long data);
+static void ath5k_tasklet_calibrate(unsigned long data);
/*
* Module init/exit functions
@@ -464,7 +474,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
* DMA to work so force a reasonable value here if it
* comes up zero.
*/
- csz = L1_CACHE_BYTES / sizeof(u32);
+ csz = L1_CACHE_BYTES >> 2;
pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
}
/*
@@ -512,6 +522,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
/* Initialize driver private data */
SET_IEEE80211_DEV(hw, &pdev->dev);
hw->flags = IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM;
@@ -536,7 +547,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
__set_bit(ATH_STAT_INVALID, sc->status);
sc->iobase = mem; /* So we can unmap it on detach */
- sc->cachelsz = csz * sizeof(u32); /* convert to bytes */
+ sc->common.cachelsz = csz << 2; /* convert to bytes */
sc->opmode = NL80211_IFTYPE_STATION;
sc->bintval = 1000;
mutex_init(&sc->lock);
@@ -555,7 +566,7 @@ ath5k_pci_probe(struct pci_dev *pdev,
}
/* Initialize device */
- sc->ah = ath5k_hw_attach(sc, id->driver_data);
+ sc->ah = ath5k_hw_attach(sc);
if (IS_ERR(sc->ah)) {
ret = PTR_ERR(sc->ah);
goto err_irq;
@@ -666,7 +677,6 @@ ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state)
ath5k_led_off(sc);
- free_irq(pdev->irq, sc);
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
@@ -694,18 +704,8 @@ ath5k_pci_resume(struct pci_dev *pdev)
*/
pci_write_config_byte(pdev, 0x41, 0);
- err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
- if (err) {
- ATH5K_ERR(sc, "request_irq failed\n");
- goto err_no_irq;
- }
-
ath5k_led_enable(sc);
return 0;
-
-err_no_irq:
- pci_disable_device(pdev);
- return err;
}
#endif /* CONFIG_PM */
@@ -718,9 +718,9 @@ static int ath5k_reg_notifier(struct wiphy *wiphy, struct regulatory_request *re
{
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ath5k_softc *sc = hw->priv;
- struct ath_regulatory *reg = &sc->ah->ah_regulatory;
+ struct ath_regulatory *regulatory = &sc->common.regulatory;
- return ath_reg_notifier_apply(wiphy, request, reg);
+ return ath_reg_notifier_apply(wiphy, request, regulatory);
}
static int
@@ -728,6 +728,7 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
{
struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
+ struct ath_regulatory *regulatory = &sc->common.regulatory;
u8 mac[ETH_ALEN] = {};
int ret;
@@ -785,19 +786,25 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
goto err_desc;
}
sc->bhalq = ret;
+ sc->cabq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_CAB, 0);
+ if (IS_ERR(sc->cabq)) {
+ ATH5K_ERR(sc, "can't setup cab queue\n");
+ ret = PTR_ERR(sc->cabq);
+ goto err_bhal;
+ }
sc->txq = ath5k_txq_setup(sc, AR5K_TX_QUEUE_DATA, AR5K_WME_AC_BK);
if (IS_ERR(sc->txq)) {
ATH5K_ERR(sc, "can't setup xmit queue\n");
ret = PTR_ERR(sc->txq);
- goto err_bhal;
+ goto err_queues;
}
tasklet_init(&sc->rxtq, ath5k_tasklet_rx, (unsigned long)sc);
tasklet_init(&sc->txtq, ath5k_tasklet_tx, (unsigned long)sc);
tasklet_init(&sc->restq, ath5k_tasklet_reset, (unsigned long)sc);
+ tasklet_init(&sc->calib, ath5k_tasklet_calibrate, (unsigned long)sc);
tasklet_init(&sc->beacontq, ath5k_tasklet_beacon, (unsigned long)sc);
- setup_timer(&sc->calib_tim, ath5k_calibrate, (unsigned long)sc);
ret = ath5k_eeprom_read_mac(ah, mac);
if (ret) {
@@ -811,9 +818,8 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
memset(sc->bssidmask, 0xff, ETH_ALEN);
ath5k_hw_set_bssid_mask(sc->ah, sc->bssidmask);
- ah->ah_regulatory.current_rd =
- ah->ah_capabilities.cap_eeprom.ee_regdomain;
- ret = ath_regd_init(&ah->ah_regulatory, hw->wiphy, ath5k_reg_notifier);
+ regulatory->current_rd = ah->ah_capabilities.cap_eeprom.ee_regdomain;
+ ret = ath_regd_init(regulatory, hw->wiphy, ath5k_reg_notifier);
if (ret) {
ATH5K_ERR(sc, "can't initialize regulatory system\n");
goto err_queues;
@@ -825,8 +831,8 @@ ath5k_attach(struct pci_dev *pdev, struct ieee80211_hw *hw)
goto err_queues;
}
- if (!ath_is_world_regd(&sc->ah->ah_regulatory))
- regulatory_hint(hw->wiphy, sc->ah->ah_regulatory.alpha2);
+ if (!ath_is_world_regd(regulatory))
+ regulatory_hint(hw->wiphy, regulatory->alpha2);
ath5k_init_leds(sc);
@@ -1068,10 +1074,9 @@ ath5k_setup_bands(struct ieee80211_hw *hw)
}
/*
- * Set/change channels. If the channel is really being changed,
- * it's done by reseting the chip. To accomplish this we must
- * first cleanup any pending DMA, then restart stuff after a la
- * ath5k_init.
+ * Set/change channels. We always reset the chip.
+ * To accomplish this we must first cleanup any pending DMA,
+ * then restart stuff after a la ath5k_init.
*
* Called with sc->lock.
*/
@@ -1081,19 +1086,13 @@ ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan)
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "(%u MHz) -> (%u MHz)\n",
sc->curchan->center_freq, chan->center_freq);
- if (chan->center_freq != sc->curchan->center_freq ||
- chan->hw_value != sc->curchan->hw_value) {
-
- /*
- * To switch channels clear any pending DMA operations;
- * wait long enough for the RX fifo to drain, reset the
- * hardware at the new frequency, and then re-enable
- * the relevant bits of the h/w.
- */
- return ath5k_reset(sc, chan);
- }
-
- return 0;
+ /*
+ * To switch channels clear any pending DMA operations;
+ * wait long enough for the RX fifo to drain, reset the
+ * hardware at the new frequency, and then re-enable
+ * the relevant bits of the h/w.
+ */
+ return ath5k_reset(sc, chan);
}
static void
@@ -1114,6 +1113,8 @@ ath5k_mode_setup(struct ath5k_softc *sc)
struct ath5k_hw *ah = sc->ah;
u32 rfilt;
+ ah->ah_op_mode = sc->opmode;
+
/* configure rx filter */
rfilt = sc->filter_flags;
ath5k_hw_set_rx_filter(ah, rfilt);
@@ -1153,27 +1154,20 @@ static
struct sk_buff *ath5k_rx_skb_alloc(struct ath5k_softc *sc, dma_addr_t *skb_addr)
{
struct sk_buff *skb;
- unsigned int off;
/*
* Allocate buffer with headroom_needed space for the
* fake physical layer header at the start.
*/
- skb = dev_alloc_skb(sc->rxbufsize + sc->cachelsz - 1);
+ skb = ath_rxbuf_alloc(&sc->common,
+ sc->rxbufsize + sc->common.cachelsz - 1,
+ GFP_ATOMIC);
if (!skb) {
ATH5K_ERR(sc, "can't alloc skbuff of size %u\n",
- sc->rxbufsize + sc->cachelsz - 1);
+ sc->rxbufsize + sc->common.cachelsz - 1);
return NULL;
}
- /*
- * Cache-line-align. This is important (for the
- * 5210 at least) as not doing so causes bogus data
- * in rx'd frames.
- */
- off = ((unsigned long)skb->data) % sc->cachelsz;
- if (off != 0)
- skb_reserve(skb, sc->cachelsz - off);
*skb_addr = pci_map_single(sc->pdev,
skb->data, sc->rxbufsize, PCI_DMA_FROMDEVICE);
@@ -1228,10 +1222,10 @@ ath5k_rxbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
}
static int
-ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
+ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf,
+ struct ath5k_txq *txq)
{
struct ath5k_hw *ah = sc->ah;
- struct ath5k_txq *txq = sc->txq;
struct ath5k_desc *ds = bf->desc;
struct sk_buff *skb = bf->skb;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
@@ -1615,10 +1609,10 @@ ath5k_rx_start(struct ath5k_softc *sc)
struct ath5k_buf *bf;
int ret;
- sc->rxbufsize = roundup(IEEE80211_MAX_LEN, sc->cachelsz);
+ sc->rxbufsize = roundup(IEEE80211_MAX_LEN, sc->common.cachelsz);
ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "cachelsz %u rxbufsize %u\n",
- sc->cachelsz, sc->rxbufsize);
+ sc->common.cachelsz, sc->rxbufsize);
spin_lock_bh(&sc->rxbuflock);
sc->rxlink = NULL;
@@ -1747,7 +1741,7 @@ ath5k_check_ibss_tsf(struct ath5k_softc *sc, struct sk_buff *skb,
static void
ath5k_tasklet_rx(unsigned long data)
{
- struct ieee80211_rx_status rxs = {};
+ struct ieee80211_rx_status *rxs;
struct ath5k_rx_status rs = {};
struct sk_buff *skb, *next_skb;
dma_addr_t next_skb_addr;
@@ -1757,6 +1751,7 @@ ath5k_tasklet_rx(unsigned long data)
int ret;
int hdrlen;
int padsize;
+ int rx_flag;
spin_lock(&sc->rxbuflock);
if (list_empty(&sc->rxbuf)) {
@@ -1764,7 +1759,7 @@ ath5k_tasklet_rx(unsigned long data)
goto unlock;
}
do {
- rxs.flag = 0;
+ rx_flag = 0;
bf = list_first_entry(&sc->rxbuf, struct ath5k_buf, list);
BUG_ON(bf->skb == NULL);
@@ -1808,7 +1803,7 @@ ath5k_tasklet_rx(unsigned long data)
goto accept;
}
if (rs.rs_status & AR5K_RXERR_MIC) {
- rxs.flag |= RX_FLAG_MMIC_ERROR;
+ rx_flag |= RX_FLAG_MMIC_ERROR;
goto accept;
}
@@ -1846,6 +1841,7 @@ accept:
memmove(skb->data + padsize, skb->data, hdrlen);
skb_pull(skb, padsize);
}
+ rxs = IEEE80211_SKB_RXCB(skb);
/*
* always extend the mac timestamp, since this information is
@@ -1867,41 +1863,41 @@ accept:
* impossible to comply to that. This affects IBSS merge only
* right now, so it's not too bad...
*/
- rxs.mactime = ath5k_extend_tsf(sc->ah, rs.rs_tstamp);
- rxs.flag |= RX_FLAG_TSFT;
+ rxs->mactime = ath5k_extend_tsf(sc->ah, rs.rs_tstamp);
+ rxs->flag = rx_flag | RX_FLAG_TSFT;
- rxs.freq = sc->curchan->center_freq;
- rxs.band = sc->curband->band;
+ rxs->freq = sc->curchan->center_freq;
+ rxs->band = sc->curband->band;
- rxs.noise = sc->ah->ah_noise_floor;
- rxs.signal = rxs.noise + rs.rs_rssi;
+ rxs->noise = sc->ah->ah_noise_floor;
+ rxs->signal = rxs->noise + rs.rs_rssi;
/* An rssi of 35 indicates you should be able use
* 54 Mbps reliably. A more elaborate scheme can be used
* here but it requires a map of SNR/throughput for each
* possible mode used */
- rxs.qual = rs.rs_rssi * 100 / 35;
+ rxs->qual = rs.rs_rssi * 100 / 35;
/* rssi can be more than 35 though, anything above that
* should be considered at 100% */
- if (rxs.qual > 100)
- rxs.qual = 100;
+ if (rxs->qual > 100)
+ rxs->qual = 100;
- rxs.antenna = rs.rs_antenna;
- rxs.rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate);
- rxs.flag |= ath5k_rx_decrypted(sc, ds, skb, &rs);
+ rxs->antenna = rs.rs_antenna;
+ rxs->rate_idx = ath5k_hw_to_driver_rix(sc, rs.rs_rate);
+ rxs->flag |= ath5k_rx_decrypted(sc, ds, skb, &rs);
- if (rxs.rate_idx >= 0 && rs.rs_rate ==
- sc->curband->bitrates[rxs.rate_idx].hw_value_short)
- rxs.flag |= RX_FLAG_SHORTPRE;
+ if (rxs->rate_idx >= 0 && rs.rs_rate ==
+ sc->curband->bitrates[rxs->rate_idx].hw_value_short)
+ rxs->flag |= RX_FLAG_SHORTPRE;
ath5k_debug_dump_skb(sc, skb, "RX ", 0);
/* check beacons in IBSS mode */
if (sc->opmode == NL80211_IFTYPE_ADHOC)
- ath5k_check_ibss_tsf(sc, skb, &rxs);
+ ath5k_check_ibss_tsf(sc, skb, rxs);
- __ieee80211_rx(sc->hw, skb, &rxs);
+ ieee80211_rx(sc->hw, skb);
bf->skb = next_skb;
bf->skbaddr = next_skb_addr;
@@ -1994,9 +1990,12 @@ ath5k_tx_processq(struct ath5k_softc *sc, struct ath5k_txq *txq)
static void
ath5k_tasklet_tx(unsigned long data)
{
+ int i;
struct ath5k_softc *sc = (void *)data;
- ath5k_tx_processq(sc, sc->txq);
+ for (i=0; i < AR5K_NUM_TX_QUEUES; i++)
+ if (sc->txqs[i].setup && (sc->ah->ah_txq_isr & BIT(i)))
+ ath5k_tx_processq(sc, &sc->txqs[i]);
}
@@ -2078,13 +2077,6 @@ err_unmap:
return ret;
}
-static void ath5k_beacon_disable(struct ath5k_softc *sc)
-{
- sc->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA);
- ath5k_hw_set_imr(sc->ah, sc->imask);
- ath5k_hw_stop_tx_dma(sc->ah, sc->bhalq);
-}
-
/*
* Transmit a beacon frame at SWBA. Dynamic updates to the
* frame contents are done as needed and the slot time is
@@ -2098,6 +2090,7 @@ ath5k_beacon_send(struct ath5k_softc *sc)
{
struct ath5k_buf *bf = sc->bbuf;
struct ath5k_hw *ah = sc->ah;
+ struct sk_buff *skb;
ATH5K_DBG_UNLIMIT(sc, ATH5K_DEBUG_BEACON, "in beacon_send\n");
@@ -2151,6 +2144,12 @@ ath5k_beacon_send(struct ath5k_softc *sc)
ATH5K_DBG(sc, ATH5K_DEBUG_BEACON, "TXDP[%u] = %llx (%p)\n",
sc->bhalq, (unsigned long long)bf->daddr, bf->desc);
+ skb = ieee80211_get_buffered_bc(sc->hw, sc->vif);
+ while (skb) {
+ ath5k_tx_queue(sc->hw, skb, sc->cabq);
+ skb = ieee80211_get_buffered_bc(sc->hw, sc->vif);
+ }
+
sc->bsent++;
}
@@ -2271,13 +2270,11 @@ ath5k_beacon_config(struct ath5k_softc *sc)
struct ath5k_hw *ah = sc->ah;
unsigned long flags;
- ath5k_hw_set_imr(ah, 0);
+ spin_lock_irqsave(&sc->block, flags);
sc->bmisscount = 0;
sc->imask &= ~(AR5K_INT_BMISS | AR5K_INT_SWBA);
- if (sc->opmode == NL80211_IFTYPE_ADHOC ||
- sc->opmode == NL80211_IFTYPE_MESH_POINT ||
- sc->opmode == NL80211_IFTYPE_AP) {
+ if (sc->enable_beacon) {
/*
* In IBSS mode we use a self-linked tx descriptor and let the
* hardware send the beacons automatically. We have to load it
@@ -2290,16 +2287,17 @@ ath5k_beacon_config(struct ath5k_softc *sc)
sc->imask |= AR5K_INT_SWBA;
if (sc->opmode == NL80211_IFTYPE_ADHOC) {
- if (ath5k_hw_hasveol(ah)) {
- spin_lock_irqsave(&sc->block, flags);
+ if (ath5k_hw_hasveol(ah))
ath5k_beacon_send(sc);
- spin_unlock_irqrestore(&sc->block, flags);
- }
} else
ath5k_beacon_update_timers(sc, -1);
+ } else {
+ ath5k_hw_stop_tx_dma(sc->ah, sc->bhalq);
}
ath5k_hw_set_imr(ah, sc->imask);
+ mmiowb();
+ spin_unlock_irqrestore(&sc->block, flags);
}
static void ath5k_tasklet_beacon(unsigned long data)
@@ -2363,7 +2361,7 @@ ath5k_init(struct ath5k_softc *sc)
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_FATAL | AR5K_INT_GLOBAL | AR5K_INT_SWI;
ret = ath5k_reset(sc, NULL);
if (ret)
goto done;
@@ -2380,8 +2378,8 @@ ath5k_init(struct ath5k_softc *sc)
/* Set ack to be sent at low bit-rates */
ath5k_hw_set_ack_bitrate_high(ah, false);
- mod_timer(&sc->calib_tim, round_jiffies(jiffies +
- msecs_to_jiffies(ath5k_calinterval * 1000)));
+ /* Set PHY calibration inteval */
+ ah->ah_cal_intval = ath5k_calinterval;
ret = 0;
done:
@@ -2445,37 +2443,39 @@ ath5k_stop_hw(struct ath5k_softc *sc)
ret = ath5k_stop_locked(sc);
if (ret == 0 && !test_bit(ATH_STAT_INVALID, sc->status)) {
/*
- * Set the chip in full sleep mode. Note that we are
- * careful to do this only when bringing the interface
- * completely to a stop. When the chip is in this state
- * it must be carefully woken up or references to
- * registers in the PCI clock domain may freeze the bus
- * (and system). This varies by chip and is mostly an
- * issue with newer parts that go to sleep more quickly.
- */
- if (sc->ah->ah_mac_srev >= 0x78) {
- /*
- * XXX
- * don't put newer MAC revisions > 7.8 to sleep because
- * of the above mentioned problems
- */
- ATH5K_DBG(sc, ATH5K_DEBUG_RESET, "mac version > 7.8, "
- "not putting device to sleep\n");
- } else {
- ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
- "putting device to full sleep\n");
- ath5k_hw_set_power(sc->ah, AR5K_PM_FULL_SLEEP, true, 0);
- }
+ * Don't set the card in full sleep mode!
+ *
+ * a) When the device is in this state it must be carefully
+ * woken up or references to registers in the PCI clock
+ * domain may freeze the bus (and system). This varies
+ * by chip and is mostly an issue with newer parts
+ * (madwifi sources mentioned srev >= 0x78) that go to
+ * sleep more quickly.
+ *
+ * b) On older chips full sleep results a weird behaviour
+ * during wakeup. I tested various cards with srev < 0x78
+ * and they don't wake up after module reload, a second
+ * module reload is needed to bring the card up again.
+ *
+ * Until we figure out what's going on don't enable
+ * full chip reset on any chip (this is what Legacy HAL
+ * and Sam's HAL do anyway). Instead Perform a full reset
+ * on the device (same as initial state after attach) and
+ * leave it idle (keep MAC/BB on warm reset) */
+ ret = ath5k_hw_on_hold(sc->ah);
+
+ ATH5K_DBG(sc, ATH5K_DEBUG_RESET,
+ "putting device to sleep\n");
}
ath5k_txbuf_free(sc, sc->bbuf);
mmiowb();
mutex_unlock(&sc->lock);
- del_timer_sync(&sc->calib_tim);
tasklet_kill(&sc->rxtq);
tasklet_kill(&sc->txtq);
tasklet_kill(&sc->restq);
+ tasklet_kill(&sc->calib);
tasklet_kill(&sc->beacontq);
ath5k_rfkill_hw_stop(sc->ah);
@@ -2531,6 +2531,9 @@ ath5k_intr(int irq, void *dev_id)
if (status & AR5K_INT_BMISS) {
/* TODO */
}
+ if (status & AR5K_INT_SWI) {
+ tasklet_schedule(&sc->calib);
+ }
if (status & AR5K_INT_MIB) {
/*
* These stats are also used for ANI i think
@@ -2547,6 +2550,8 @@ ath5k_intr(int irq, void *dev_id)
if (unlikely(!counter))
ATH5K_WARN(sc, "too many interrupts, giving up for now\n");
+ ath5k_hw_calibration_poll(ah);
+
return IRQ_HANDLED;
}
@@ -2563,11 +2568,19 @@ ath5k_tasklet_reset(unsigned long data)
* for temperature/environment changes.
*/
static void
-ath5k_calibrate(unsigned long data)
+ath5k_tasklet_calibrate(unsigned long data)
{
struct ath5k_softc *sc = (void *)data;
struct ath5k_hw *ah = sc->ah;
+ /* Only full calibration for now */
+ if (ah->ah_swi_mask != AR5K_SWI_FULL_CALIBRATION)
+ return;
+
+ /* Stop queues so that calibration
+ * doesn't interfere with tx */
+ ieee80211_stop_queues(sc->hw);
+
ATH5K_DBG(sc, ATH5K_DEBUG_CALIBRATE, "channel %u/%x\n",
ieee80211_frequency_to_channel(sc->curchan->center_freq),
sc->curchan->hw_value);
@@ -2585,8 +2598,11 @@ ath5k_calibrate(unsigned long data)
ieee80211_frequency_to_channel(
sc->curchan->center_freq));
- mod_timer(&sc->calib_tim, round_jiffies(jiffies +
- msecs_to_jiffies(ath5k_calinterval * 1000)));
+ ah->ah_swi_mask = 0;
+
+ /* Wake queues */
+ ieee80211_wake_queues(sc->hw);
+
}
@@ -2598,6 +2614,14 @@ static int
ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
{
struct ath5k_softc *sc = hw->priv;
+
+ return ath5k_tx_queue(hw, skb, sc->txq);
+}
+
+static int ath5k_tx_queue(struct ieee80211_hw *hw, struct sk_buff *skb,
+ struct ath5k_txq *txq)
+{
+ struct ath5k_softc *sc = hw->priv;
struct ath5k_buf *bf;
unsigned long flags;
int hdrlen;
@@ -2641,7 +2665,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
bf->skb = skb;
- if (ath5k_txbuf_setup(sc, bf)) {
+ if (ath5k_txbuf_setup(sc, bf, txq)) {
bf->skb = NULL;
spin_lock_irqsave(&sc->txbuflock, flags);
list_add_tail(&bf->list, &sc->txbuf);
@@ -2676,7 +2700,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
sc->curchan = chan;
sc->curband = &sc->sbands[chan->band];
}
- ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, true);
+ ret = ath5k_hw_reset(ah, sc->opmode, sc->curchan, chan != NULL);
if (ret) {
ATH5K_ERR(sc, "can't reset hardware (%d)\n", ret);
goto err;
@@ -2757,6 +2781,7 @@ static int ath5k_add_interface(struct ieee80211_hw *hw,
}
ath5k_hw_set_lladdr(sc->ah, conf->mac_addr);
+ ath5k_mode_setup(sc);
ret = 0;
end:
@@ -2776,7 +2801,6 @@ ath5k_remove_interface(struct ieee80211_hw *hw,
goto end;
ath5k_hw_set_lladdr(sc->ah, mac);
- ath5k_beacon_disable(sc);
sc->vif = NULL;
end:
mutex_unlock(&sc->lock);
@@ -2795,9 +2819,11 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed)
mutex_lock(&sc->lock);
- ret = ath5k_chan_set(sc, conf->channel);
- if (ret < 0)
- goto unlock;
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ ret = ath5k_chan_set(sc, conf->channel);
+ if (ret < 0)
+ goto unlock;
+ }
if ((changed & IEEE80211_CONF_CHANGE_POWER) &&
(sc->power_level != conf->power_level)) {
@@ -2831,6 +2857,37 @@ unlock:
return ret;
}
+static u64 ath5k_prepare_multicast(struct ieee80211_hw *hw,
+ int mc_count, struct dev_addr_list *mclist)
+{
+ u32 mfilt[2], val;
+ int i;
+ u8 pos;
+
+ mfilt[0] = 0;
+ mfilt[1] = 1;
+
+ for (i = 0; i < mc_count; i++) {
+ if (!mclist)
+ break;
+ /* calculate XOR of eight 6-bit values */
+ val = get_unaligned_le32(mclist->dmi_addr + 0);
+ pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
+ val = get_unaligned_le32(mclist->dmi_addr + 3);
+ pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
+ pos &= 0x3f;
+ mfilt[pos / 32] |= (1 << (pos % 32));
+ /* XXX: we might be able to just do this instead,
+ * but not sure, needs testing, if we do use this we'd
+ * neet to inform below to not reset the mcast */
+ /* ath5k_hw_set_mcast_filterindex(ah,
+ * mclist->dmi_addr[5]); */
+ mclist = mclist->next;
+ }
+
+ return ((u64)(mfilt[1]) << 32) | mfilt[0];
+}
+
#define SUPPORTED_FIF_FLAGS \
FIF_PROMISC_IN_BSS | FIF_ALLMULTI | FIF_FCSFAIL | \
FIF_PLCPFAIL | FIF_CONTROL | FIF_OTHER_BSS | \
@@ -2856,16 +2913,16 @@ unlock:
static void ath5k_configure_filter(struct ieee80211_hw *hw,
unsigned int changed_flags,
unsigned int *new_flags,
- int mc_count, struct dev_mc_list *mclist)
+ u64 multicast)
{
struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
- u32 mfilt[2], val, rfilt;
- u8 pos;
- int i;
+ u32 mfilt[2], rfilt;
- mfilt[0] = 0;
- mfilt[1] = 0;
+ mutex_lock(&sc->lock);
+
+ mfilt[0] = multicast;
+ mfilt[1] = multicast >> 32;
/* Only deal with supported flags */
changed_flags &= SUPPORTED_FIF_FLAGS;
@@ -2891,24 +2948,6 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
if (*new_flags & FIF_ALLMULTI) {
mfilt[0] = ~0;
mfilt[1] = ~0;
- } else {
- for (i = 0; i < mc_count; i++) {
- if (!mclist)
- break;
- /* calculate XOR of eight 6-bit values */
- val = get_unaligned_le32(mclist->dmi_addr + 0);
- pos = (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
- val = get_unaligned_le32(mclist->dmi_addr + 3);
- pos ^= (val >> 18) ^ (val >> 12) ^ (val >> 6) ^ val;
- pos &= 0x3f;
- mfilt[pos / 32] |= (1 << (pos % 32));
- /* XXX: we might be able to just do this instead,
- * but not sure, needs testing, if we do use this we'd
- * neet to inform below to not reset the mcast */
- /* ath5k_hw_set_mcast_filterindex(ah,
- * mclist->dmi_addr[5]); */
- mclist = mclist->next;
- }
}
/* This is the best we can do */
@@ -2932,22 +2971,25 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
/* XXX move these to mac80211, and add a beacon IFF flag to mac80211 */
- if (sc->opmode == NL80211_IFTYPE_MONITOR)
- rfilt |= AR5K_RX_FILTER_CONTROL | AR5K_RX_FILTER_BEACON |
- AR5K_RX_FILTER_PROBEREQ | AR5K_RX_FILTER_PROM;
- if (sc->opmode != NL80211_IFTYPE_STATION)
- rfilt |= AR5K_RX_FILTER_PROBEREQ;
- if (sc->opmode != NL80211_IFTYPE_AP &&
- sc->opmode != NL80211_IFTYPE_MESH_POINT &&
- test_bit(ATH_STAT_PROMISC, sc->status))
- rfilt |= AR5K_RX_FILTER_PROM;
- if ((sc->opmode == NL80211_IFTYPE_STATION && sc->assoc) ||
- sc->opmode == NL80211_IFTYPE_ADHOC ||
- sc->opmode == NL80211_IFTYPE_AP)
- rfilt |= AR5K_RX_FILTER_BEACON;
- if (sc->opmode == NL80211_IFTYPE_MESH_POINT)
- rfilt |= AR5K_RX_FILTER_CONTROL | AR5K_RX_FILTER_BEACON |
- AR5K_RX_FILTER_PROBEREQ | AR5K_RX_FILTER_PROM;
+ switch (sc->opmode) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_MONITOR:
+ rfilt |= AR5K_RX_FILTER_CONTROL |
+ AR5K_RX_FILTER_BEACON |
+ AR5K_RX_FILTER_PROBEREQ |
+ AR5K_RX_FILTER_PROM;
+ break;
+ case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_ADHOC:
+ rfilt |= AR5K_RX_FILTER_PROBEREQ |
+ AR5K_RX_FILTER_BEACON;
+ break;
+ case NL80211_IFTYPE_STATION:
+ if (sc->assoc)
+ rfilt |= AR5K_RX_FILTER_BEACON;
+ default:
+ break;
+ }
/* Set filters */
ath5k_hw_set_rx_filter(ah, rfilt);
@@ -2957,6 +2999,8 @@ static void ath5k_configure_filter(struct ieee80211_hw *hw,
/* Set the cached hw filter flags, this will alter actually
* be set in HW */
sc->filter_flags = rfilt;
+
+ mutex_unlock(&sc->lock);
}
static int
@@ -2978,6 +3022,9 @@ ath5k_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
case ALG_TKIP:
break;
case ALG_CCMP:
+ if (sc->ah->ah_aes_support)
+ break;
+
return -EOPNOTSUPP;
default:
WARN_ON(1);
@@ -3108,25 +3155,6 @@ out:
return ret;
}
-/*
- * Update the beacon and reconfigure the beacon queues.
- */
-static void
-ath5k_beacon_reconfig(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
-{
- int ret;
- unsigned long flags;
- struct ath5k_softc *sc = hw->priv;
-
- spin_lock_irqsave(&sc->block, flags);
- ret = ath5k_beacon_update(hw, vif);
- spin_unlock_irqrestore(&sc->block, flags);
- if (ret == 0) {
- ath5k_beacon_config(sc);
- mmiowb();
- }
-}
-
static void
set_beacon_filter(struct ieee80211_hw *hw, bool enable)
{
@@ -3149,6 +3177,7 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
{
struct ath5k_softc *sc = hw->priv;
struct ath5k_hw *ah = sc->ah;
+ unsigned long flags;
mutex_lock(&sc->lock);
if (WARN_ON(sc->vif != vif))
@@ -3170,15 +3199,37 @@ static void ath5k_bss_info_changed(struct ieee80211_hw *hw,
sc->assoc = bss_conf->assoc;
if (sc->opmode == NL80211_IFTYPE_STATION)
set_beacon_filter(hw, sc->assoc);
+ ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
+ AR5K_LED_ASSOC : AR5K_LED_INIT);
}
- if (changes & BSS_CHANGED_BEACON &&
- (vif->type == NL80211_IFTYPE_ADHOC ||
- vif->type == NL80211_IFTYPE_MESH_POINT ||
- vif->type == NL80211_IFTYPE_AP)) {
- ath5k_beacon_reconfig(hw, vif);
+ if (changes & BSS_CHANGED_BEACON) {
+ spin_lock_irqsave(&sc->block, flags);
+ ath5k_beacon_update(hw, vif);
+ spin_unlock_irqrestore(&sc->block, flags);
}
+ if (changes & BSS_CHANGED_BEACON_ENABLED)
+ sc->enable_beacon = bss_conf->enable_beacon;
+
+ if (changes & (BSS_CHANGED_BEACON | BSS_CHANGED_BEACON_ENABLED |
+ BSS_CHANGED_BEACON_INT))
+ ath5k_beacon_config(sc);
+
unlock:
mutex_unlock(&sc->lock);
}
+
+static void ath5k_sw_scan_start(struct ieee80211_hw *hw)
+{
+ struct ath5k_softc *sc = hw->priv;
+ if (!sc->assoc)
+ ath5k_hw_set_ledstate(sc->ah, AR5K_LED_SCAN);
+}
+
+static void ath5k_sw_scan_complete(struct ieee80211_hw *hw)
+{
+ struct ath5k_softc *sc = hw->priv;
+ ath5k_hw_set_ledstate(sc->ah, sc->assoc ?
+ AR5K_LED_ASSOC : AR5K_LED_INIT);
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-26 16:05:14 +0000