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Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

This commit is contained in:
David S. Miller 2011-03-15 13:57:18 -07:00
parent 31111c26d9 106af2c99a
commit 918690f981
31 changed files with 601 additions and 249 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/net/wireless/ath/ath5k/base.c
View File

@ -943,6 +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;
}
@ -1534,7 +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);

1
drivers/net/wireless/ath/ath5k/base.h
View File

@ -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 */
};

43
drivers/net/wireless/ath/ath5k/mac80211-ops.c
View File

@ -740,6 +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,
@ -778,4 +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,
};

2
drivers/net/wireless/ath/ath9k/ar9485_initvals.h
View File

@ -667,6 +667,7 @@ static const u32 ar9485_1_0_pcie_phy_clkreq_enable_L1[][2] = {
static const u32 ar9485_1_0_soc_preamble[][2] = {
/* Addr allmodes */
{0x00004090, 0x00aa10aa},
{0x000040a4, 0x00a0c9c9},
{0x00007048, 0x00000004},
};
@ -1708,6 +1709,7 @@ static const u32 ar9485_1_1_pcie_phy_clkreq_disable_L1[][2] = {
static const u32 ar9485_1_1_soc_preamble[][2] = {
/* Addr allmodes */
{0x00004014, 0xba280400},
{0x00004090, 0x00aa10aa},
{0x000040a4, 0x00a0c9c9},
{0x00007010, 0x00000022},
{0x00007020, 0x00000000},

1
drivers/net/wireless/ath/ath9k/ath9k.h
View File

@ -189,7 +189,6 @@ struct ath_txq {
u32 axq_ampdu_depth;
bool stopped;
bool axq_tx_inprogress;
bool txq_flush_inprogress;
struct list_head axq_acq;
struct list_head txq_fifo[ATH_TXFIFO_DEPTH];
struct list_head txq_fifo_pending;

13
drivers/net/wireless/ath/ath9k/beacon.c
View File

@ -373,6 +373,7 @@ void ath_beacon_tasklet(unsigned long data)
ath_dbg(common, ATH_DBG_BSTUCK,
"missed %u consecutive beacons\n",
sc->beacon.bmisscnt);
ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq);
ath9k_hw_bstuck_nfcal(ah);
} else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) {
ath_dbg(common, ATH_DBG_BSTUCK,
@ -450,16 +451,6 @@ void ath_beacon_tasklet(unsigned long data)
sc->beacon.updateslot = OK;
}
if (bfaddr != 0) {
/*
* Stop any current dma and put the new frame(s) on the queue.
* This should never fail since we check above that no frames
* are still pending on the queue.
*/
if (!ath9k_hw_stoptxdma(ah, sc->beacon.beaconq)) {
ath_err(common, "beacon queue %u did not stop?\n",
sc->beacon.beaconq);
}
/* NB: cabq traffic should already be queued and primed */
ath9k_hw_puttxbuf(ah, sc->beacon.beaconq, bfaddr);
ath9k_hw_txstart(ah, sc->beacon.beaconq);
@ -780,7 +771,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status)
ah->imask &= ~ATH9K_INT_SWBA;
ath9k_hw_set_interrupts(ah, ah->imask);
tasklet_kill(&sc->bcon_tasklet);
ath9k_hw_stoptxdma(ah, sc->beacon.beaconq);
ath9k_hw_stop_dma_queue(ah, sc->beacon.beaconq);
}
ath9k_ps_restore(sc);
}

4
drivers/net/wireless/ath/ath9k/calib.c
View File

@ -262,7 +262,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
* since 250us often results in NF load timeout and causes deaf
* condition during stress testing 12/12/2009
*/
for (j = 0; j < 1000; j++) {
for (j = 0; j < 10000; j++) {
if ((REG_READ(ah, AR_PHY_AGC_CONTROL) &
AR_PHY_AGC_CONTROL_NF) == 0)
break;
@ -278,7 +278,7 @@ void ath9k_hw_loadnf(struct ath_hw *ah, struct ath9k_channel *chan)
* here, the baseband nf cal will just be capped by our present
* noisefloor until the next calibration timer.
*/
if (j == 1000) {
if (j == 10000) {
ath_dbg(common, ATH_DBG_ANY,
"Timeout while waiting for nf to load: AR_PHY_AGC_CONTROL=0x%x\n",
REG_READ(ah, AR_PHY_AGC_CONTROL));

4
drivers/net/wireless/ath/ath9k/hw.c
View File

@ -701,7 +701,7 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
AR_CH0_DPLL3_PHASE_SHIFT, DPLL3_PHASE_SHIFT_VAL);
REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x1142c);
udelay(100);
udelay(1000);
REG_WRITE(ah, AR_RTC_PLL_CONTROL2, 0x886666);
@ -713,7 +713,7 @@ static void ath9k_hw_init_pll(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_CH0_BB_DPLL3,
AR_CH0_DPLL3_PHASE_SHIFT, DPLL3_PHASE_SHIFT_VAL);
REG_WRITE(ah, AR_RTC_PLL_CONTROL, 0x142c);
udelay(110);
udelay(1000);
}
pll = ath9k_hw_compute_pll_control(ah, chan);

4
drivers/net/wireless/ath/ath9k/hw.h
View File

@ -95,9 +95,9 @@
#define REG_READ_FIELD(_a, _r, _f) \
(((REG_READ(_a, _r) & _f) >> _f##_S))
#define REG_SET_BIT(_a, _r, _f) \
REG_WRITE(_a, _r, REG_READ(_a, _r) | _f)
REG_WRITE(_a, _r, REG_READ(_a, _r) | (_f))
#define REG_CLR_BIT(_a, _r, _f) \
REG_WRITE(_a, _r, REG_READ(_a, _r) & ~_f)
REG_WRITE(_a, _r, REG_READ(_a, _r) & ~(_f))
#define DO_DELAY(x) do { \
if ((++(x) % 64) == 0) \

99
drivers/net/wireless/ath/ath9k/mac.c
View File

@ -143,84 +143,59 @@ bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel)
}
EXPORT_SYMBOL(ath9k_hw_updatetxtriglevel);
bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q)
void ath9k_hw_abort_tx_dma(struct ath_hw *ah)
{
#define ATH9K_TX_STOP_DMA_TIMEOUT 4000 /* usec */
int i, q;
REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);
REG_SET_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
REG_SET_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
for (q = 0; q < AR_NUM_QCU; q++) {
for (i = 0; i < 1000; i++) {
if (i)
udelay(5);
if (!ath9k_hw_numtxpending(ah, q))
break;
}
}
REG_CLR_BIT(ah, AR_PCU_MISC, AR_PCU_FORCE_QUIET_COLL | AR_PCU_CLEAR_VMF);
REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
REG_CLR_BIT(ah, AR_D_GBL_IFS_MISC, AR_D_GBL_IFS_MISC_IGNORE_BACKOFF);
REG_WRITE(ah, AR_Q_TXD, 0);
}
EXPORT_SYMBOL(ath9k_hw_abort_tx_dma);
bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q)
{
#define ATH9K_TX_STOP_DMA_TIMEOUT 1000 /* usec */
#define ATH9K_TIME_QUANTUM 100 /* usec */
struct ath_common *common = ath9k_hw_common(ah);
struct ath9k_hw_capabilities *pCap = &ah->caps;
struct ath9k_tx_queue_info *qi;
u32 tsfLow, j, wait;
u32 wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
if (q >= pCap->total_queues) {
ath_dbg(common, ATH_DBG_QUEUE,
"Stopping TX DMA, invalid queue: %u\n", q);
return false;
}
qi = &ah->txq[q];
if (qi->tqi_type == ATH9K_TX_QUEUE_INACTIVE) {
ath_dbg(common, ATH_DBG_QUEUE,
"Stopping TX DMA, inactive queue: %u\n", q);
return false;
}
int wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
int wait;
REG_WRITE(ah, AR_Q_TXD, 1 << q);
for (wait = wait_time; wait != 0; wait--) {
if (wait != wait_time)
udelay(ATH9K_TIME_QUANTUM);
if (ath9k_hw_numtxpending(ah, q) == 0)
break;
udelay(ATH9K_TIME_QUANTUM);
}
if (ath9k_hw_numtxpending(ah, q)) {
ath_dbg(common, ATH_DBG_QUEUE,
"%s: Num of pending TX Frames %d on Q %d\n",
__func__, ath9k_hw_numtxpending(ah, q), q);
for (j = 0; j < 2; j++) {
tsfLow = REG_READ(ah, AR_TSF_L32);
REG_WRITE(ah, AR_QUIET2,
SM(10, AR_QUIET2_QUIET_DUR));
REG_WRITE(ah, AR_QUIET_PERIOD, 100);
REG_WRITE(ah, AR_NEXT_QUIET_TIMER, tsfLow >> 10);
REG_SET_BIT(ah, AR_TIMER_MODE,
AR_QUIET_TIMER_EN);
if ((REG_READ(ah, AR_TSF_L32) >> 10) == (tsfLow >> 10))
break;
ath_dbg(common, ATH_DBG_QUEUE,
"TSF has moved while trying to set quiet time TSF: 0x%08x\n",
tsfLow);
}
REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
udelay(200);
REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN);
wait = wait_time;
while (ath9k_hw_numtxpending(ah, q)) {
if ((--wait) == 0) {
ath_err(common,
"Failed to stop TX DMA in 100 msec after killing last frame\n");
break;
}
udelay(ATH9K_TIME_QUANTUM);
}
REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
}
REG_WRITE(ah, AR_Q_TXD, 0);
return wait != 0;
#undef ATH9K_TX_STOP_DMA_TIMEOUT
#undef ATH9K_TIME_QUANTUM
}
EXPORT_SYMBOL(ath9k_hw_stoptxdma);
EXPORT_SYMBOL(ath9k_hw_stop_dma_queue);
void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs)
{

3
drivers/net/wireless/ath/ath9k/mac.h
View File

@ -676,7 +676,8 @@ void ath9k_hw_txstart(struct ath_hw *ah, u32 q);
void ath9k_hw_cleartxdesc(struct ath_hw *ah, void *ds);
u32 ath9k_hw_numtxpending(struct ath_hw *ah, u32 q);
bool ath9k_hw_updatetxtriglevel(struct ath_hw *ah, bool bIncTrigLevel);
bool ath9k_hw_stoptxdma(struct ath_hw *ah, u32 q);
bool ath9k_hw_stop_dma_queue(struct ath_hw *ah, u32 q);
void ath9k_hw_abort_tx_dma(struct ath_hw *ah);
void ath9k_hw_gettxintrtxqs(struct ath_hw *ah, u32 *txqs);
bool ath9k_hw_set_txq_props(struct ath_hw *ah, int q,
const struct ath9k_tx_queue_info *qinfo);

56
drivers/net/wireless/ath/ath9k/main.c
View File

@ -2128,56 +2128,42 @@ static void ath9k_set_coverage_class(struct ieee80211_hw *hw, u8 coverage_class)
static void ath9k_flush(struct ieee80211_hw *hw, bool drop)
{
#define ATH_FLUSH_TIMEOUT 60 /* ms */
struct ath_softc *sc = hw->priv;
struct ath_txq *txq = NULL;
struct ath_hw *ah = sc->sc_ah;
struct ath_common *common = ath9k_hw_common(ah);
int i, j, npend = 0;
int timeout = 200; /* ms */
int i, j;
ath9k_ps_wakeup(sc);
mutex_lock(&sc->mutex);
cancel_delayed_work_sync(&sc->tx_complete_work);
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (!ATH_TXQ_SETUP(sc, i))
continue;
txq = &sc->tx.txq[i];
if (drop)
timeout = 1;
if (!drop) {
for (j = 0; j < ATH_FLUSH_TIMEOUT; j++) {
if (!ath9k_has_pending_frames(sc, txq))
break;
usleep_range(1000, 2000);
}
for (j = 0; j < timeout; j++) {
int npend = 0;
if (j)
usleep_range(1000, 2000);
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (!ATH_TXQ_SETUP(sc, i))
continue;
npend += ath9k_has_pending_frames(sc, &sc->tx.txq[i]);
}
if (drop || ath9k_has_pending_frames(sc, txq)) {
ath_dbg(common, ATH_DBG_QUEUE, "Drop frames from hw queue:%d\n",
txq->axq_qnum);
spin_lock_bh(&txq->axq_lock);
txq->txq_flush_inprogress = true;
spin_unlock_bh(&txq->axq_lock);
ath9k_ps_wakeup(sc);
ath9k_hw_stoptxdma(ah, txq->axq_qnum);
npend = ath9k_hw_numtxpending(ah, txq->axq_qnum);
ath9k_ps_restore(sc);
if (npend)
break;
ath_draintxq(sc, txq, false);
txq->txq_flush_inprogress = false;
}
if (!npend)
goto out;
}
if (npend) {
if (!ath_drain_all_txq(sc, false))
ath_reset(sc, false);
txq->txq_flush_inprogress = false;
}
out:
ieee80211_queue_delayed_work(hw, &sc->tx_complete_work, 0);
mutex_unlock(&sc->mutex);
ath9k_ps_restore(sc);
}
struct ieee80211_ops ath9k_ops = {

4
drivers/net/wireless/ath/ath9k/recv.c
View File

@ -413,9 +413,7 @@ u32 ath_calcrxfilter(struct ath_softc *sc)
* mode interface or when in monitor mode. AP mode does not need this
* since it receives all in-BSS frames anyway.
*/
if (((sc->sc_ah->opmode != NL80211_IFTYPE_AP) &&
(sc->rx.rxfilter & FIF_PROMISC_IN_BSS)) ||
(sc->sc_ah->is_monitoring))
if (sc->sc_ah->is_monitoring)
rfilt |= ATH9K_RX_FILTER_PROM;
if (sc->rx.rxfilter & FIF_CONTROL)

44
drivers/net/wireless/ath/ath9k/xmit.c
View File

@ -166,7 +166,7 @@ static void ath_tx_flush_tid(struct ath_softc *sc, struct ath_atx_tid *tid)
fi = get_frame_info(bf->bf_mpdu);
if (fi->retries) {
ath_tx_update_baw(sc, tid, fi->seqno);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 0);
ath_tx_complete_buf(sc, bf, txq, &bf_head, &ts, 0, 1);
} else {
ath_tx_send_normal(sc, txq, NULL, &bf_head);
}
@ -1194,16 +1194,14 @@ bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
if (sc->sc_flags & SC_OP_INVALID)
return true;
/* Stop beacon queue */
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
ath9k_hw_abort_tx_dma(ah);
/* Stop data queues */
/* Check if any queue remains active */
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) {
if (ATH_TXQ_SETUP(sc, i)) {
txq = &sc->tx.txq[i];
ath9k_hw_stoptxdma(ah, txq->axq_qnum);
npend += ath9k_hw_numtxpending(ah, txq->axq_qnum);
}
if (!ATH_TXQ_SETUP(sc, i))
continue;
npend += ath9k_hw_numtxpending(ah, sc->tx.txq[i].axq_qnum);
}
if (npend)
@ -2014,8 +2012,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
spin_lock_bh(&txq->axq_lock);
if (list_empty(&txq->axq_q)) {
txq->axq_link = NULL;
if (sc->sc_flags & SC_OP_TXAGGR &&
!txq->txq_flush_inprogress)
if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock);
break;
@ -2096,7 +2093,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
spin_lock_bh(&txq->axq_lock);
if (sc->sc_flags & SC_OP_TXAGGR && !txq->txq_flush_inprogress)
if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock);
}
@ -2267,18 +2264,17 @@ void ath_tx_edma_tasklet(struct ath_softc *sc)
spin_lock_bh(&txq->axq_lock);
if (!txq->txq_flush_inprogress) {
if (!list_empty(&txq->txq_fifo_pending)) {
INIT_LIST_HEAD(&bf_head);
bf = list_first_entry(&txq->txq_fifo_pending,
struct ath_buf, list);
list_cut_position(&bf_head,
&txq->txq_fifo_pending,
&bf->bf_lastbf->list);
ath_tx_txqaddbuf(sc, txq, &bf_head);
} else if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
}
if (!list_empty(&txq->txq_fifo_pending)) {
INIT_LIST_HEAD(&bf_head);
bf = list_first_entry(&txq->txq_fifo_pending,
struct ath_buf, list);
list_cut_position(&bf_head,
&txq->txq_fifo_pending,
&bf->bf_lastbf->list);
ath_tx_txqaddbuf(sc, txq, &bf_head);
} else if (sc->sc_flags & SC_OP_TXAGGR)
ath_txq_schedule(sc, txq);
spin_unlock_bh(&txq->axq_lock);
}
}

135
drivers/net/wireless/iwlwifi/iwl-agn-lib.c
View File

@ -1115,6 +1115,18 @@ static int iwl_get_channels_for_scan(struct iwl_priv *priv,
return added;
}
static int iwl_fill_offch_tx(struct iwl_priv *priv, void *data, size_t maxlen)
{
struct sk_buff *skb = priv->_agn.offchan_tx_skb;
if (skb->len < maxlen)
maxlen = skb->len;
memcpy(data, skb->data, maxlen);
return maxlen;
}
int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
{
struct iwl_host_cmd cmd = {
@ -1157,17 +1169,25 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->quiet_plcp_th = IWL_PLCP_QUIET_THRESH;
scan->quiet_time = IWL_ACTIVE_QUIET_TIME;
if (iwl_is_any_associated(priv)) {
if (priv->scan_type != IWL_SCAN_OFFCH_TX &&
iwl_is_any_associated(priv)) {
u16 interval = 0;
u32 extra;
u32 suspend_time = 100;
u32 scan_suspend_time = 100;
IWL_DEBUG_INFO(priv, "Scanning while associated...\n");
if (priv->is_internal_short_scan)
switch (priv->scan_type) {
case IWL_SCAN_OFFCH_TX:
WARN_ON(1);
break;
case IWL_SCAN_RADIO_RESET:
interval = 0;
else
break;
case IWL_SCAN_NORMAL:
interval = vif->bss_conf.beacon_int;
break;
}
scan->suspend_time = 0;
scan->max_out_time = cpu_to_le32(200 * 1024);
@ -1180,29 +1200,41 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
scan->suspend_time = cpu_to_le32(scan_suspend_time);
IWL_DEBUG_SCAN(priv, "suspend_time 0x%X beacon interval %d\n",
scan_suspend_time, interval);
} else if (priv->scan_type == IWL_SCAN_OFFCH_TX) {
scan->suspend_time = 0;
scan->max_out_time =
cpu_to_le32(1024 * priv->_agn.offchan_tx_timeout);
}
if (priv->is_internal_short_scan) {
switch (priv->scan_type) {
case IWL_SCAN_RADIO_RESET:
IWL_DEBUG_SCAN(priv, "Start internal passive scan.\n");
} else if (priv->scan_request->n_ssids) {
int i, p = 0;
IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
for (i = 0; i < priv->scan_request->n_ssids; i++) {
/* always does wildcard anyway */
if (!priv->scan_request->ssids[i].ssid_len)
continue;
scan->direct_scan[p].id = WLAN_EID_SSID;
scan->direct_scan[p].len =
priv->scan_request->ssids[i].ssid_len;
memcpy(scan->direct_scan[p].ssid,
priv->scan_request->ssids[i].ssid,
priv->scan_request->ssids[i].ssid_len);
n_probes++;
p++;
}
is_active = true;
} else
IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
break;
case IWL_SCAN_NORMAL:
if (priv->scan_request->n_ssids) {
int i, p = 0;
IWL_DEBUG_SCAN(priv, "Kicking off active scan\n");
for (i = 0; i < priv->scan_request->n_ssids; i++) {
/* always does wildcard anyway */
if (!priv->scan_request->ssids[i].ssid_len)
continue;
scan->direct_scan[p].id = WLAN_EID_SSID;
scan->direct_scan[p].len =
priv->scan_request->ssids[i].ssid_len;
memcpy(scan->direct_scan[p].ssid,
priv->scan_request->ssids[i].ssid,
priv->scan_request->ssids[i].ssid_len);
n_probes++;
p++;
}
is_active = true;
} else
IWL_DEBUG_SCAN(priv, "Start passive scan.\n");
break;
case IWL_SCAN_OFFCH_TX:
IWL_DEBUG_SCAN(priv, "Start offchannel TX scan.\n");
break;
}
scan->tx_cmd.tx_flags = TX_CMD_FLG_SEQ_CTL_MSK;
scan->tx_cmd.sta_id = ctx->bcast_sta_id;
@ -1300,38 +1332,77 @@ int iwlagn_request_scan(struct iwl_priv *priv, struct ieee80211_vif *vif)
rx_chain |= rx_ant << RXON_RX_CHAIN_FORCE_SEL_POS;
rx_chain |= 0x1 << RXON_RX_CHAIN_DRIVER_FORCE_POS;
scan->rx_chain = cpu_to_le16(rx_chain);
if (!priv->is_internal_short_scan) {
switch (priv->scan_type) {
case IWL_SCAN_NORMAL:
cmd_len = iwl_fill_probe_req(priv,
(struct ieee80211_mgmt *)scan->data,
vif->addr,
priv->scan_request->ie,
priv->scan_request->ie_len,
IWL_MAX_SCAN_SIZE - sizeof(*scan));
} else {
break;
case IWL_SCAN_RADIO_RESET:
/* use bcast addr, will not be transmitted but must be valid */
cmd_len = iwl_fill_probe_req(priv,
(struct ieee80211_mgmt *)scan->data,
iwl_bcast_addr, NULL, 0,
IWL_MAX_SCAN_SIZE - sizeof(*scan));
break;
case IWL_SCAN_OFFCH_TX:
cmd_len = iwl_fill_offch_tx(priv, scan->data,
IWL_MAX_SCAN_SIZE
- sizeof(*scan)
- sizeof(struct iwl_scan_channel));
scan->scan_flags |= IWL_SCAN_FLAGS_ACTION_FRAME_TX;
break;
default:
BUG();
}
scan->tx_cmd.len = cpu_to_le16(cmd_len);
scan->filter_flags |= (RXON_FILTER_ACCEPT_GRP_MSK |
RXON_FILTER_BCON_AWARE_MSK);
if (priv->is_internal_short_scan) {
switch (priv->scan_type) {
case IWL_SCAN_RADIO_RESET:
scan->channel_count =
iwl_get_single_channel_for_scan(priv, vif, band,
(void *)&scan->data[le16_to_cpu(
scan->tx_cmd.len)]);
} else {
(void *)&scan->data[cmd_len]);
break;
case IWL_SCAN_NORMAL:
scan->channel_count =
iwl_get_channels_for_scan(priv, vif, band,
is_active, n_probes,
(void *)&scan->data[le16_to_cpu(
scan->tx_cmd.len)]);
(void *)&scan->data[cmd_len]);
break;
case IWL_SCAN_OFFCH_TX: {
struct iwl_scan_channel *scan_ch;
scan->channel_count = 1;
scan_ch = (void *)&scan->data[cmd_len];
scan_ch->type = SCAN_CHANNEL_TYPE_ACTIVE;
scan_ch->channel =
cpu_to_le16(priv->_agn.offchan_tx_chan->hw_value);
scan_ch->active_dwell =
cpu_to_le16(priv->_agn.offchan_tx_timeout);
scan_ch->passive_dwell = 0;
/* Set txpower levels to defaults */
scan_ch->dsp_atten = 110;
/* NOTE: if we were doing 6Mb OFDM for scans we'd use
* power level:
* scan_ch->tx_gain = ((1 << 5) | (2 << 3)) | 3;
*/
if (priv->_agn.offchan_tx_chan->band == IEEE80211_BAND_5GHZ)
scan_ch->tx_gain = ((1 << 5) | (3 << 3)) | 3;
else
scan_ch->tx_gain = ((1 << 5) | (5 << 3));
}
break;
}
if (scan->channel_count == 0) {
IWL_DEBUG_SCAN(priv, "channel count %d\n", scan->channel_count);
return -EIO;

87
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -2937,6 +2937,91 @@ static void iwl_bg_rx_replenish(struct work_struct *data)
mutex_unlock(&priv->mutex);
}
static int iwl_mac_offchannel_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
struct ieee80211_channel *chan,
enum nl80211_channel_type channel_type,
unsigned int wait)
{
struct iwl_priv *priv = hw->priv;
int ret;
/* Not supported if we don't have PAN */
if (!(priv->valid_contexts & BIT(IWL_RXON_CTX_PAN))) {
ret = -EOPNOTSUPP;
goto free;
}
/* Not supported on pre-P2P firmware */
if (!(priv->contexts[IWL_RXON_CTX_PAN].interface_modes &
BIT(NL80211_IFTYPE_P2P_CLIENT))) {
ret = -EOPNOTSUPP;
goto free;
}
mutex_lock(&priv->mutex);
if (!priv->contexts[IWL_RXON_CTX_PAN].is_active) {
/*
* If the PAN context is free, use the normal
* way of doing remain-on-channel offload + TX.
*/
ret = 1;
goto out;
}
/* TODO: queue up if scanning? */
if (test_bit(STATUS_SCANNING, &priv->status) ||
priv->_agn.offchan_tx_skb) {
ret = -EBUSY;
goto out;
}
/*
* max_scan_ie_len doesn't include the blank SSID or the header,
* so need to add that again here.
*/
if (skb->len > hw->wiphy->max_scan_ie_len + 24 + 2) {
ret = -ENOBUFS;
goto out;
}
priv->_agn.offchan_tx_skb = skb;
priv->_agn.offchan_tx_timeout = wait;
priv->_agn.offchan_tx_chan = chan;
ret = iwl_scan_initiate(priv, priv->contexts[IWL_RXON_CTX_PAN].vif,
IWL_SCAN_OFFCH_TX, chan->band);
if (ret)
priv->_agn.offchan_tx_skb = NULL;
out:
mutex_unlock(&priv->mutex);
free:
if (ret < 0)
kfree_skb(skb);
return ret;
}
static int iwl_mac_offchannel_tx_cancel_wait(struct ieee80211_hw *hw)
{
struct iwl_priv *priv = hw->priv;
int ret;
mutex_lock(&priv->mutex);
if (!priv->_agn.offchan_tx_skb)
return -EINVAL;
priv->_agn.offchan_tx_skb = NULL;
ret = iwl_scan_cancel_timeout(priv, 200);
if (ret)
ret = -EIO;
mutex_unlock(&priv->mutex);
return ret;
}
/*****************************************************************************
*
* mac80211 entry point functions
@ -3815,6 +3900,8 @@ struct ieee80211_ops iwlagn_hw_ops = {
.tx_last_beacon = iwl_mac_tx_last_beacon,
.remain_on_channel = iwl_mac_remain_on_channel,
.cancel_remain_on_channel = iwl_mac_cancel_remain_on_channel,
.offchannel_tx = iwl_mac_offchannel_tx,
.offchannel_tx_cancel_wait = iwl_mac_offchannel_tx_cancel_wait,
};
static void iwl_hw_detect(struct iwl_priv *priv)

8
drivers/net/wireless/iwlwifi/iwl-commands.h
View File

@ -2964,9 +2964,15 @@ struct iwl3945_scan_cmd {
u8 data[0];
} __packed;
enum iwl_scan_flags {
/* BIT(0) currently unused */
IWL_SCAN_FLAGS_ACTION_FRAME_TX = BIT(1),
/* bits 2-7 reserved */
};
struct iwl_scan_cmd {
__le16 len;
u8 reserved0;
u8 scan_flags; /* scan flags: see enum iwl_scan_flags */
u8 channel_count; /* # channels in channel list */
__le16 quiet_time; /* dwell only this # millisecs on quiet channel
* (only for active scan) */

6
drivers/net/wireless/iwlwifi/iwl-core.h
View File

@ -63,6 +63,8 @@
#ifndef __iwl_core_h__
#define __iwl_core_h__
#include "iwl-dev.h"
/************************
* forward declarations *
************************/
@ -551,6 +553,10 @@ u16 iwl_get_passive_dwell_time(struct iwl_priv *priv,
struct ieee80211_vif *vif);
void iwl_setup_scan_deferred_work(struct iwl_priv *priv);
void iwl_cancel_scan_deferred_work(struct iwl_priv *priv);
int __must_check iwl_scan_initiate(struct iwl_priv *priv,
struct ieee80211_vif *vif,
enum iwl_scan_type scan_type,
enum ieee80211_band band);
/* For faster active scanning, scan will move to the next channel if fewer than
* PLCP_QUIET_THRESH packets are heard on this channel within

12
drivers/net/wireless/iwlwifi/iwl-dev.h
View File

@ -1230,6 +1230,12 @@ struct iwl_rxon_context {
} ht;
};
enum iwl_scan_type {
IWL_SCAN_NORMAL,
IWL_SCAN_RADIO_RESET,
IWL_SCAN_OFFCH_TX,
};
struct iwl_priv {
/* ieee device used by generic ieee processing code */
@ -1290,7 +1296,7 @@ struct iwl_priv {
enum ieee80211_band scan_band;
struct cfg80211_scan_request *scan_request;
struct ieee80211_vif *scan_vif;
bool is_internal_short_scan;
enum iwl_scan_type scan_type;
u8 scan_tx_ant[IEEE80211_NUM_BANDS];
u8 mgmt_tx_ant;
@ -1504,6 +1510,10 @@ struct iwl_priv {
struct delayed_work hw_roc_work;
enum nl80211_channel_type hw_roc_chantype;
int hw_roc_duration;
struct sk_buff *offchan_tx_skb;
int offchan_tx_timeout;
struct ieee80211_channel *offchan_tx_chan;
} _agn;
#endif
};

41
drivers/net/wireless/iwlwifi/iwl-scan.c
View File

@ -101,7 +101,7 @@ static void iwl_complete_scan(struct iwl_priv *priv, bool aborted)
ieee80211_scan_completed(priv->hw, aborted);
}
priv->is_internal_short_scan = false;
priv->scan_type = IWL_SCAN_NORMAL;
priv->scan_vif = NULL;
priv->scan_request = NULL;
}
@ -339,10 +339,10 @@ void iwl_init_scan_params(struct iwl_priv *priv)
priv->scan_tx_ant[IEEE80211_BAND_2GHZ] = ant_idx;
}
static int __must_check iwl_scan_initiate(struct iwl_priv *priv,
struct ieee80211_vif *vif,
bool internal,
enum ieee80211_band band)
int __must_check iwl_scan_initiate(struct iwl_priv *priv,
struct ieee80211_vif *vif,
enum iwl_scan_type scan_type,
enum ieee80211_band band)
{
int ret;
@ -370,17 +370,19 @@ static int __must_check iwl_scan_initiate(struct iwl_priv *priv,
}
IWL_DEBUG_SCAN(priv, "Starting %sscan...\n",
internal ? "internal short " : "");
scan_type == IWL_SCAN_NORMAL ? "" :
scan_type == IWL_SCAN_OFFCH_TX ? "offchan TX " :
"internal short ");
set_bit(STATUS_SCANNING, &priv->status);
priv->is_internal_short_scan = internal;
priv->scan_type = scan_type;
priv->scan_start = jiffies;
priv->scan_band = band;
ret = priv->cfg->ops->utils->request_scan(priv, vif);
if (ret) {
clear_bit(STATUS_SCANNING, &priv->status);
priv->is_internal_short_scan = false;
priv->scan_type = IWL_SCAN_NORMAL;
return ret;
}
@ -405,7 +407,7 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
mutex_lock(&priv->mutex);
if (test_bit(STATUS_SCANNING, &priv->status) &&
!priv->is_internal_short_scan) {
priv->scan_type != IWL_SCAN_NORMAL) {
IWL_DEBUG_SCAN(priv, "Scan already in progress.\n");
ret = -EAGAIN;
goto out_unlock;
@ -419,11 +421,11 @@ int iwl_mac_hw_scan(struct ieee80211_hw *hw,
* If an internal scan is in progress, just set
* up the scan_request as per above.
*/
if (priv->is_internal_short_scan) {
if (priv->scan_type != IWL_SCAN_NORMAL) {
IWL_DEBUG_SCAN(priv, "SCAN request during internal scan\n");
ret = 0;
} else
ret = iwl_scan_initiate(priv, vif, false,
ret = iwl_scan_initiate(priv, vif, IWL_SCAN_NORMAL,
req->channels[0]->band);
IWL_DEBUG_MAC80211(priv, "leave\n");
@ -452,7 +454,7 @@ static void iwl_bg_start_internal_scan(struct work_struct *work)
mutex_lock(&priv->mutex);
if (priv->is_internal_short_scan == true) {
if (priv->scan_type == IWL_SCAN_RADIO_RESET) {
IWL_DEBUG_SCAN(priv, "Internal scan already in progress\n");
goto unlock;
}
@ -462,7 +464,7 @@ static void iwl_bg_start_internal_scan(struct work_struct *work)
goto unlock;
}
if (iwl_scan_initiate(priv, NULL, true, priv->band))
if (iwl_scan_initiate(priv, NULL, IWL_SCAN_RADIO_RESET, priv->band))
IWL_DEBUG_SCAN(priv, "failed to start internal short scan\n");
unlock:
mutex_unlock(&priv->mutex);
@ -549,8 +551,7 @@ static void iwl_bg_scan_completed(struct work_struct *work)
container_of(work, struct iwl_priv, scan_completed);
bool aborted;
IWL_DEBUG_SCAN(priv, "Completed %sscan.\n",
priv->is_internal_short_scan ? "internal short " : "");
IWL_DEBUG_SCAN(priv, "Completed scan.\n");
cancel_delayed_work(&priv->scan_check);
@ -565,7 +566,13 @@ static void iwl_bg_scan_completed(struct work_struct *work)
goto out_settings;
}
if (priv->is_internal_short_scan && !aborted) {
if (priv->scan_type == IWL_SCAN_OFFCH_TX && priv->_agn.offchan_tx_skb) {
ieee80211_tx_status_irqsafe(priv->hw,
priv->_agn.offchan_tx_skb);
priv->_agn.offchan_tx_skb = NULL;
}
if (priv->scan_type != IWL_SCAN_NORMAL && !aborted) {
int err;
/* Check if mac80211 requested scan during our internal scan */
@ -573,7 +580,7 @@ static void iwl_bg_scan_completed(struct work_struct *work)
goto out_complete;
/* If so request a new scan */
err = iwl_scan_initiate(priv, priv->scan_vif, false,
err = iwl_scan_initiate(priv, priv->scan_vif, IWL_SCAN_NORMAL,
priv->scan_request->channels[0]->band);
if (err) {
IWL_DEBUG_SCAN(priv,

11
drivers/net/wireless/libertas/mesh.c
View File

@ -918,7 +918,6 @@ static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct mrvl_mesh_defaults defs;
int maxlen;
int ret;
ret = mesh_get_default_parameters(dev, &defs);
@ -931,13 +930,11 @@ static ssize_t mesh_id_get(struct device *dev, struct device_attribute *attr,
defs.meshie.val.mesh_id_len = IEEE80211_MAX_SSID_LEN;
}
/* SSID not null terminated: reserve room for \0 + \n */
maxlen = defs.meshie.val.mesh_id_len + 2;
maxlen = (PAGE_SIZE > maxlen) ? maxlen : PAGE_SIZE;
memcpy(buf, defs.meshie.val.mesh_id, defs.meshie.val.mesh_id_len);
buf[defs.meshie.val.mesh_id_len] = '\n';
buf[defs.meshie.val.mesh_id_len + 1] = '\0';
defs.meshie.val.mesh_id[defs.meshie.val.mesh_id_len] = '\0';
return snprintf(buf, maxlen, "%s\n", defs.meshie.val.mesh_id);
return defs.meshie.val.mesh_id_len + 1;
}
/**

41
drivers/net/wireless/wl1251/ps.c
View File

@ -58,7 +58,6 @@ void wl1251_ps_elp_sleep(struct wl1251 *wl)
unsigned long delay;
if (wl->psm) {
cancel_delayed_work(&wl->elp_work);
delay = msecs_to_jiffies(ELP_ENTRY_DELAY);
ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, delay);
}
@ -69,6 +68,9 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl)
unsigned long timeout, start;
u32 elp_reg;
if (delayed_work_pending(&wl->elp_work))
cancel_delayed_work(&wl->elp_work);
if (!wl->elp)
return 0;
@ -102,38 +104,6 @@ int wl1251_ps_elp_wakeup(struct wl1251 *wl)
return 0;
}
static int wl1251_ps_set_elp(struct wl1251 *wl, bool enable)
{
int ret;
if (enable) {
wl1251_debug(DEBUG_PSM, "sleep auth psm/elp");
ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_ELP);
if (ret < 0)
return ret;
wl1251_ps_elp_sleep(wl);
} else {
wl1251_debug(DEBUG_PSM, "sleep auth cam");
/*
* When the target is in ELP, we can only
* access the ELP control register. Thus,
* we have to wake the target up before
* changing the power authorization.
*/
wl1251_ps_elp_wakeup(wl);
ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM);
if (ret < 0)
return ret;
}
return 0;
}
int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode)
{
int ret;
@ -162,7 +132,7 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode)
if (ret < 0)
return ret;
ret = wl1251_ps_set_elp(wl, true);
ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_ELP);
if (ret < 0)
return ret;
@ -171,7 +141,8 @@ int wl1251_ps_set_mode(struct wl1251 *wl, enum wl1251_cmd_ps_mode mode)
case STATION_ACTIVE_MODE:
default:
wl1251_debug(DEBUG_PSM, "leaving psm");
ret = wl1251_ps_set_elp(wl, false);
ret = wl1251_acx_sleep_auth(wl, WL1251_PSM_CAM);
if (ret < 0)
return ret;

8
include/net/cfg80211.h
View File

@ -1197,6 +1197,10 @@ struct cfg80211_pmksa {
* (also see nl80211.h @NL80211_ATTR_WIPHY_ANTENNA_TX).
*
* @get_antenna: Get current antenna configuration from device (tx_ant, rx_ant).
*
* @set_ringparam: Set tx and rx ring sizes.
*
* @get_ringparam: Get tx and rx ring current and maximum sizes.
*/
struct cfg80211_ops {
int (*suspend)(struct wiphy *wiphy);
@ -1364,6 +1368,10 @@ struct cfg80211_ops {
int (*set_antenna)(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant);
int (*get_antenna)(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant);
int (*set_ringparam)(struct wiphy *wiphy, u32 tx, u32 rx);
void (*get_ringparam)(struct wiphy *wiphy,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
};
/*

7
include/net/mac80211.h
View File

@ -1804,6 +1804,10 @@ enum ieee80211_ampdu_mlme_action {
* return value is 1, then the @remain_on_channel will be used with a
* regular transmission (if supported.)
* @offchannel_tx_cancel_wait: cancel wait associated with offchannel TX
*
* @set_ringparam: Set tx and rx ring sizes.
*
* @get_ringparam: Get tx and rx ring current and maximum sizes.
*/
struct ieee80211_ops {
void (*tx)(struct ieee80211_hw *hw, struct sk_buff *skb);
@ -1888,6 +1892,9 @@ struct ieee80211_ops {
enum nl80211_channel_type channel_type,
unsigned int wait);
int (*offchannel_tx_cancel_wait)(struct ieee80211_hw *hw);
int (*set_ringparam)(struct ieee80211_hw *hw, u32 tx, u32 rx);
void (*get_ringparam)(struct ieee80211_hw *hw,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max);
};
/**

21
net/mac80211/cfg.c
View File

@ -834,6 +834,10 @@ static int ieee80211_change_station(struct wiphy *wiphy,
rcu_read_unlock();
if (sdata->vif.type == NL80211_IFTYPE_STATION &&
params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))
ieee80211_recalc_ps(local, -1);
return 0;
}
@ -2008,6 +2012,21 @@ static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
return drv_get_antenna(local, tx_ant, rx_ant);
}
static int ieee80211_set_ringparam(struct wiphy *wiphy, u32 tx, u32 rx)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
return drv_set_ringparam(local, tx, rx);
}
static void ieee80211_get_ringparam(struct wiphy *wiphy,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
{
struct ieee80211_local *local = wiphy_priv(wiphy);
drv_get_ringparam(local, tx, tx_max, rx, rx_max);
}
struct cfg80211_ops mac80211_config_ops = {
.add_virtual_intf = ieee80211_add_iface,
.del_virtual_intf = ieee80211_del_iface,
@ -2065,4 +2084,6 @@ struct cfg80211_ops mac80211_config_ops = {
.mgmt_frame_register = ieee80211_mgmt_frame_register,
.set_antenna = ieee80211_set_antenna,
.get_antenna = ieee80211_get_antenna,
.set_ringparam = ieee80211_set_ringparam,
.get_ringparam = ieee80211_get_ringparam,
};

3
net/mac80211/chan.c
View File

@ -77,6 +77,9 @@ bool ieee80211_set_channel_type(struct ieee80211_local *local,
switch (tmp->vif.bss_conf.channel_type) {
case NL80211_CHAN_NO_HT:
case NL80211_CHAN_HT20:
if (superchan > tmp->vif.bss_conf.channel_type)
break;
superchan = tmp->vif.bss_conf.channel_type;
break;
case NL80211_CHAN_HT40PLUS:

26
net/mac80211/driver-ops.h
View File

@ -526,4 +526,30 @@ static inline int drv_offchannel_tx_cancel_wait(struct ieee80211_local *local)
return ret;
}
static inline int drv_set_ringparam(struct ieee80211_local *local,
u32 tx, u32 rx)
{
int ret = -ENOTSUPP;
might_sleep();
trace_drv_set_ringparam(local, tx, rx);
if (local->ops->set_ringparam)
ret = local->ops->set_ringparam(&local->hw, tx, rx);
trace_drv_return_int(local, ret);
return ret;
}
static inline void drv_get_ringparam(struct ieee80211_local *local,
u32 *tx, u32 *tx_max, u32 *rx, u32 *rx_max)
{
might_sleep();
trace_drv_get_ringparam(local, tx, tx_max, rx, rx_max);
if (local->ops->get_ringparam)
local->ops->get_ringparam(&local->hw, tx, tx_max, rx, rx_max);
trace_drv_return_void(local);
}
#endif /* __MAC80211_DRIVER_OPS */

52
net/mac80211/driver-trace.h
View File

@ -912,6 +912,58 @@ TRACE_EVENT(drv_offchannel_tx,
)
);
TRACE_EVENT(drv_set_ringparam,
TP_PROTO(struct ieee80211_local *local, u32 tx, u32 rx),
TP_ARGS(local, tx, rx),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u32, tx)
__field(u32, rx)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->tx = tx;
__entry->rx = rx;
),
TP_printk(
LOCAL_PR_FMT " tx:%d rx %d",
LOCAL_PR_ARG, __entry->tx, __entry->rx
)
);
TRACE_EVENT(drv_get_ringparam,
TP_PROTO(struct ieee80211_local *local, u32 *tx, u32 *tx_max,
u32 *rx, u32 *rx_max),
TP_ARGS(local, tx, tx_max, rx, rx_max),
TP_STRUCT__entry(
LOCAL_ENTRY
__field(u32, tx)
__field(u32, tx_max)
__field(u32, rx)
__field(u32, rx_max)
),
TP_fast_assign(
LOCAL_ASSIGN;
__entry->tx = *tx;
__entry->tx_max = *tx_max;
__entry->rx = *rx;
__entry->rx_max = *rx_max;
),
TP_printk(
LOCAL_PR_FMT " tx:%d tx_max %d rx %d rx_max %d",
LOCAL_PR_ARG,
__entry->tx, __entry->tx_max, __entry->rx, __entry->rx_max
)
);
DEFINE_EVENT(local_only_evt, drv_offchannel_tx_cancel_wait,
TP_PROTO(struct ieee80211_local *local),
TP_ARGS(local)

37
net/mac80211/mlme.c
View File

@ -613,6 +613,37 @@ static void ieee80211_change_ps(struct ieee80211_local *local)
}
}
static bool ieee80211_powersave_allowed(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_managed *mgd = &sdata->u.mgd;
struct sta_info *sta = NULL;
u32 sta_flags = 0;
if (!mgd->powersave)
return false;
if (!mgd->associated)
return false;
if (!mgd->associated->beacon_ies)
return false;
if (mgd->flags & (IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL))
return false;
rcu_read_lock();
sta = sta_info_get(sdata, mgd->bssid);
if (sta)
sta_flags = get_sta_flags(sta);
rcu_read_unlock();
if (!(sta_flags & WLAN_STA_AUTHORIZED))
return false;
return true;
}
/* need to hold RTNL or interface lock */
void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
{
@ -647,11 +678,7 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency)
count++;
}
if (count == 1 && found->u.mgd.powersave &&
found->u.mgd.associated &&
found->u.mgd.associated->beacon_ies &&
!(found->u.mgd.flags & (IEEE80211_STA_BEACON_POLL |
IEEE80211_STA_CONNECTION_POLL))) {
if (count == 1 && ieee80211_powersave_allowed(found)) {
struct ieee80211_conf *conf = &local->hw.conf;
s32 beaconint_us;

41
net/mac80211/rc80211_minstrel_ht.c
View File

@ -598,19 +598,46 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
sample = true;
minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
txrc, true, false);
minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
txrc, false, false);
info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
txrc, false, false);
minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
txrc, false, true);
}
minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate, txrc, false, !sample);
ar[3].count = 0;
ar[3].idx = -1;
if (mp->hw->max_rates >= 3) {
/*
* At least 3 tx rates supported, use
* sample_rate -> max_tp_rate -> max_prob_rate for sampling and
* max_tp_rate -> max_tp_rate2 -> max_prob_rate by default.
*/
if (sample_idx >= 0)
minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
txrc, false, false);
else
minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
txrc, false, true);
minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate,
txrc, false, !sample);
ar[3].count = 0;
ar[3].idx = -1;
} else if (mp->hw->max_rates == 2) {
/*
* Only 2 tx rates supported, use
* sample_rate -> max_prob_rate for sampling and
* max_tp_rate -> max_prob_rate by default.
*/
minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_prob_rate,
txrc, false, !sample);
ar[2].count = 0;
ar[2].idx = -1;
} else {
/* Not using MRR, only use the first rate */
ar[1].count = 0;
ar[1].idx = -1;
}
mi->total_packets++;

33
net/wireless/ethtool.c
View File

@ -1,5 +1,6 @@
#include <linux/utsname.h>
#include <net/cfg80211.h>
#include "core.h"
#include "ethtool.h"
static void cfg80211_get_drvinfo(struct net_device *dev,
@ -37,9 +38,41 @@ static void cfg80211_get_regs(struct net_device *dev, struct ethtool_regs *regs,
regs->len = 0;
}
static void cfg80211_get_ringparam(struct net_device *dev,
struct ethtool_ringparam *rp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
memset(rp, 0, sizeof(*rp));
if (rdev->ops->get_ringparam)
rdev->ops->get_ringparam(wdev->wiphy,
&rp->tx_pending, &rp->tx_max_pending,
&rp->rx_pending, &rp->rx_max_pending);
}
static int cfg80211_set_ringparam(struct net_device *dev,
struct ethtool_ringparam *rp)
{
struct wireless_dev *wdev = dev->ieee80211_ptr;
struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
if (rp->rx_mini_pending != 0 || rp->rx_jumbo_pending != 0)
return -EINVAL;
if (rdev->ops->set_ringparam)
return rdev->ops->set_ringparam(wdev->wiphy,
rp->tx_pending, rp->rx_pending);
return -ENOTSUPP;
}
const struct ethtool_ops cfg80211_ethtool_ops = {
.get_drvinfo = cfg80211_get_drvinfo,
.get_regs_len = cfg80211_get_regs_len,
.get_regs = cfg80211_get_regs,
.get_link = ethtool_op_get_link,
.get_ringparam = cfg80211_get_ringparam,
.set_ringparam = cfg80211_set_ringparam,
};