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;
}
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);
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 */
};
}
+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,
/* .napi_poll = not implemented */
.set_antenna = ath5k_set_antenna,
.get_antenna = ath5k_get_antenna,
+ .set_ringparam = ath5k_set_ringparam,
+ .get_ringparam = ath5k_get_ringparam,
};
static const u32 ar9485_1_0_soc_preamble[][2] = {
/* Addr allmodes */
+ {0x00004090, 0x00aa10aa},
{0x000040a4, 0x00a0c9c9},
{0x00007048, 0x00000004},
};
static const u32 ar9485_1_1_soc_preamble[][2] = {
/* Addr allmodes */
{0x00004014, 0xba280400},
+ {0x00004090, 0x00aa10aa},
{0x000040a4, 0x00a0c9c9},
{0x00007010, 0x00000022},
{0x00007020, 0x00000000},
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;
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,
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);
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);
}
* 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;
* 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));
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);
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);
#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) \
}
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 */
-#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;
+ int i, q;
- if (q >= pCap->total_queues) {
- ath_dbg(common, ATH_DBG_QUEUE,
- "Stopping TX DMA, invalid queue: %u\n", q);
- return false;
- }
+ REG_WRITE(ah, AR_Q_TXD, AR_Q_TXD_M);
- 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;
- }
+ 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);
- REG_WRITE(ah, AR_Q_TXD, 1 << q);
+ for (q = 0; q < AR_NUM_QCU; q++) {
+ for (i = 0; i < 1000; i++) {
+ if (i)
+ udelay(5);
- for (wait = wait_time; wait != 0; wait--) {
- if (ath9k_hw_numtxpending(ah, q) == 0)
- break;
- udelay(ATH9K_TIME_QUANTUM);
+ if (!ath9k_hw_numtxpending(ah, q))
+ break;
+ }
}
- 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;
+ 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);
- ath_dbg(common, ATH_DBG_QUEUE,
- "TSF has moved while trying to set quiet time TSF: 0x%08x\n",
- tsfLow);
- }
+ REG_WRITE(ah, AR_Q_TXD, 0);
+}
+EXPORT_SYMBOL(ath9k_hw_abort_tx_dma);
- REG_SET_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+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 */
+ int wait_time = ATH9K_TX_STOP_DMA_TIMEOUT / ATH9K_TIME_QUANTUM;
+ int wait;
- udelay(200);
- REG_CLR_BIT(ah, AR_TIMER_MODE, AR_QUIET_TIMER_EN);
+ REG_WRITE(ah, AR_Q_TXD, 1 << q);
- 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;
- }
+ for (wait = wait_time; wait != 0; wait--) {
+ if (wait != wait_time)
udelay(ATH9K_TIME_QUANTUM);
- }
- REG_CLR_BIT(ah, AR_DIAG_SW, AR_DIAG_FORCE_CH_IDLE_HIGH);
+ if (ath9k_hw_numtxpending(ah, q) == 0)
+ break;
}
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)
{
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);
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);
- 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;
+ 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 (!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 = {
* 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)
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);
}
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)
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;
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);
}
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);
}
}
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 = {
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);
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;
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;
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
.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)
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) */
#ifndef __iwl_core_h__
#define __iwl_core_h__
+#include "iwl-dev.h"
+
/************************
* forward declarations *
************************/
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
} 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 */
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;
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
};
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;
}
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;
}
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;
}
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;
* 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");
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;
}
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);
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);
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 */
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,
char *buf)
{
struct mrvl_mesh_defaults defs;
- int maxlen;
int ret;
ret = mesh_get_default_parameters(dev, &defs);
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;
}
/**
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);
}
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;
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;
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;
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;
* (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);
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);
};
/*
* 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);
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);
};
/**
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;
}
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,
.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,
};
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:
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 */
)
);
+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)
}
}
+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)
{
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;
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++;
#include <linux/utsname.h>
#include <net/cfg80211.h>
+#include "core.h"
#include "ethtool.h"
static void cfg80211_get_drvinfo(struct net_device *dev,
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,
};
projects / firefly-linux-kernel-4.4.55.git / commitdiff