}
static int
+ mt76_dma_add_rx_buf(struct mt76_dev *dev, struct mt76_queue *q,
+ struct mt76_queue_buf *buf, void *data)
+ {
+ struct mt76_desc *desc = &q->desc[q->head];
+ struct mt76_queue_entry *entry = &q->entry[q->head];
+ struct mt76_txwi_cache *txwi = NULL;
+ u32 buf1 = 0, ctrl;
+ int idx = q->head;
+ int rx_token;
+
+ ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
+
+ if ((q->flags & MT_QFLAG_WED) &&
+ FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) {
+ txwi = mt76_get_rxwi(dev);
+ if (!txwi)
+ return -ENOMEM;
+
+ rx_token = mt76_rx_token_consume(dev, data, txwi, buf->addr);
+ if (rx_token < 0) {
+ mt76_put_rxwi(dev, txwi);
+ return -ENOMEM;
+ }
+
+ buf1 |= FIELD_PREP(MT_DMA_CTL_TOKEN, rx_token);
+ ctrl |= MT_DMA_CTL_TO_HOST;
+ }
+
+ WRITE_ONCE(desc->buf0, cpu_to_le32(buf->addr));
+ WRITE_ONCE(desc->buf1, cpu_to_le32(buf1));
+ WRITE_ONCE(desc->ctrl, cpu_to_le32(ctrl));
+ WRITE_ONCE(desc->info, 0);
+
+ entry->dma_addr[0] = buf->addr;
+ entry->dma_len[0] = buf->len;
+ entry->txwi = txwi;
+ entry->buf = data;
+ entry->wcid = 0xffff;
+ entry->skip_buf1 = true;
+ q->head = (q->head + 1) % q->ndesc;
+ q->queued++;
+
+ return idx;
+ }
+
+ static int
mt76_dma_add_buf(struct mt76_dev *dev, struct mt76_queue *q,
struct mt76_queue_buf *buf, int nbufs, u32 info,
struct sk_buff *skb, void *txwi)
int i, idx = -1;
u32 ctrl, next;
+ if (txwi) {
+ q->entry[q->head].txwi = DMA_DUMMY_DATA;
+ q->entry[q->head].skip_buf0 = true;
+ }
+
for (i = 0; i < nbufs; i += 2, buf += 2) {
u32 buf0 = buf[0].addr, buf1 = 0;
desc = &q->desc[idx];
entry = &q->entry[idx];
- if ((q->flags & MT_QFLAG_WED) &&
- FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) {
- struct mt76_txwi_cache *t = txwi;
- int rx_token;
-
- if (!t)
- return -ENOMEM;
-
- rx_token = mt76_rx_token_consume(dev, (void *)skb, t,
- buf[0].addr);
- if (rx_token < 0)
- return -ENOMEM;
-
- buf1 |= FIELD_PREP(MT_DMA_CTL_TOKEN, rx_token);
- ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len) |
- MT_DMA_CTL_TO_HOST;
- } else {
- if (txwi) {
- q->entry[next].txwi = DMA_DUMMY_DATA;
- q->entry[next].skip_buf0 = true;
- }
-
- if (buf[0].skip_unmap)
- entry->skip_buf0 = true;
- entry->skip_buf1 = i == nbufs - 1;
-
- entry->dma_addr[0] = buf[0].addr;
- entry->dma_len[0] = buf[0].len;
-
- ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
- if (i < nbufs - 1) {
- entry->dma_addr[1] = buf[1].addr;
- entry->dma_len[1] = buf[1].len;
- buf1 = buf[1].addr;
- ctrl |= FIELD_PREP(MT_DMA_CTL_SD_LEN1, buf[1].len);
- if (buf[1].skip_unmap)
- entry->skip_buf1 = true;
- }
-
- if (i == nbufs - 1)
- ctrl |= MT_DMA_CTL_LAST_SEC0;
- else if (i == nbufs - 2)
- ctrl |= MT_DMA_CTL_LAST_SEC1;
+ if (buf[0].skip_unmap)
+ entry->skip_buf0 = true;
+ entry->skip_buf1 = i == nbufs - 1;
+
+ entry->dma_addr[0] = buf[0].addr;
+ entry->dma_len[0] = buf[0].len;
+
+ ctrl = FIELD_PREP(MT_DMA_CTL_SD_LEN0, buf[0].len);
+ if (i < nbufs - 1) {
+ entry->dma_addr[1] = buf[1].addr;
+ entry->dma_len[1] = buf[1].len;
+ buf1 = buf[1].addr;
+ ctrl |= FIELD_PREP(MT_DMA_CTL_SD_LEN1, buf[1].len);
+ if (buf[1].skip_unmap)
+ entry->skip_buf1 = true;
}
+ if (i == nbufs - 1)
+ ctrl |= MT_DMA_CTL_LAST_SEC0;
+ else if (i == nbufs - 2)
+ ctrl |= MT_DMA_CTL_LAST_SEC1;
+
WRITE_ONCE(desc->buf0, cpu_to_le32(buf0));
WRITE_ONCE(desc->buf1, cpu_to_le32(buf1));
WRITE_ONCE(desc->info, cpu_to_le32(info));
return ret;
}
-static struct page_frag_cache *
-mt76_dma_rx_get_frag_cache(struct mt76_dev *dev, struct mt76_queue *q)
-{
- struct page_frag_cache *rx_page = &q->rx_page;
-
-#ifdef CONFIG_NET_MEDIATEK_SOC_WED
- if ((q->flags & MT_QFLAG_WED) &&
- FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX)
- rx_page = &dev->mmio.wed.rx_buf_ring.rx_page;
-#endif
- return rx_page;
-}
-
static int
mt76_dma_rx_fill(struct mt76_dev *dev, struct mt76_queue *q)
{
- struct page_frag_cache *rx_page = mt76_dma_rx_get_frag_cache(dev, q);
int len = SKB_WITH_OVERHEAD(q->buf_size);
int frames = 0, offset = q->buf_offset;
dma_addr_t addr;
spin_lock_bh(&q->lock);
while (q->queued < q->ndesc - 1) {
- struct mt76_txwi_cache *t = NULL;
struct mt76_queue_buf qbuf;
void *buf = NULL;
- if ((q->flags & MT_QFLAG_WED) &&
- FIELD_GET(MT_QFLAG_WED_TYPE, q->flags) == MT76_WED_Q_RX) {
- t = mt76_get_rxwi(dev);
- if (!t)
- break;
- }
-
- buf = page_frag_alloc(rx_page, q->buf_size, GFP_ATOMIC);
+ buf = page_frag_alloc(&q->rx_page, q->buf_size, GFP_ATOMIC);
if (!buf)
break;
qbuf.addr = addr + offset;
qbuf.len = len - offset;
qbuf.skip_unmap = false;
- if (mt76_dma_add_buf(dev, q, &qbuf, 1, 0, buf, t) < 0) {
+ if (mt76_dma_add_rx_buf(dev, q, &qbuf, buf) < 0) {
dma_unmap_single(dev->dma_dev, addr, len,
DMA_FROM_DEVICE);
skb_free_frag(buf);
* @drv_priv: data area for driver use, will always be aligned to
* sizeof(void \*).
* @txq: the multicast data TX queue
- * @txqs_stopped: per AC flag to indicate that intermediate TXQs are stopped,
- * protected by fq->lock.
* @offload_flags: 802.3 -> 802.11 enapsulation offload flags, see
* &enum ieee80211_offload_flags.
* @mbssid_tx_vif: Pointer to the transmitting interface if MBSSID is enabled.
bool probe_req_reg;
bool rx_mcast_action_reg;
- bool txqs_stopped[IEEE80211_NUM_ACS];
-
struct ieee80211_vif *mbssid_tx_vif;
/* must be last */
* This function iterates over the interfaces associated with a given
* hardware that are currently active and calls the callback for them.
* This version can only be used while holding the wiphy mutex.
- * The driver must not call this with a lock held that it can also take in
- * response to callbacks from mac80211, and it must not call this within
- * callbacks made by mac80211 - both would result in deadlocks.
*
* @hw: the hardware struct of which the interfaces should be iterated over
* @iter_flags: iteration flags, see &enum ieee80211_interface_iteration_flags
void *data);
/**
- * ieee80211_iterate_stations - iterate stations
- *
- * This function iterates over all stations associated with a given
- * hardware that are currently uploaded to the driver and calls the callback
- * function for them.
- * This function allows the iterator function to sleep, when the iterator
- * function is atomic @ieee80211_iterate_stations_atomic can be used.
- *
- * @hw: the hardware struct of which the interfaces should be iterated over
- * @iterator: the iterator function to call, cannot sleep
- * @data: first argument of the iterator function
- */
-void ieee80211_iterate_stations(struct ieee80211_hw *hw,
- void (*iterator)(void *data,
- struct ieee80211_sta *sta),
- void *data);
-
-/**
* ieee80211_iterate_stations_atomic - iterate stations
*
* This function iterates over all stations associated with a given
link_conf->bssid_index = 0;
link_conf->nontransmitted = false;
link_conf->ema_ap = false;
+ link_conf->bssid_indicator = 0;
if (sdata->vif.type != NL80211_IFTYPE_AP || !params.tx_wdev)
return -EINVAL;
kfree(link_conf->ftmr_params);
link_conf->ftmr_params = NULL;
+ sdata->vif.mbssid_tx_vif = NULL;
+ link_conf->bssid_index = 0;
+ link_conf->nontransmitted = false;
+ link_conf->ema_ap = false;
+ link_conf->bssid_indicator = 0;
+
__sta_info_flush(sdata, true);
ieee80211_free_keys(sdata, true);
* If the scan has been forced (and the driver supports
* forcing), don't care about being beaconing already.
* This will create problems to the attached stations (e.g. all
- * the frames sent while scanning on other channel will be
+ * the frames sent while scanning on other channel will be
* lost)
*/
if (sdata->deflink.u.ap.beacon &&
struct ieee80211_sub_if_data *sdata,
struct ieee80211_txq *queue)
{
- int q = sdata->vif.hw_queue[queue->ac];
struct ieee80211_tx_control control = {
.sta = queue->sta,
};
struct sk_buff *skb;
- unsigned long flags;
- bool q_stopped;
while (1) {
- spin_lock_irqsave(&local->queue_stop_reason_lock, flags);
- q_stopped = local->queue_stop_reasons[q];
- spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
-
- if (q_stopped)
- break;
-
skb = ieee80211_tx_dequeue(&local->hw, queue);
if (!skb)
break;
local_bh_disable();
spin_lock(&fq->lock);
- sdata->vif.txqs_stopped[ac] = false;
-
if (!test_bit(SDATA_STATE_RUNNING, &sdata->state))
goto out;
if (ac != txq->ac)
continue;
- if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX,
+ if (!test_and_clear_bit(IEEE80211_TXQ_DIRTY,
&txqi->flags))
continue;
txqi = to_txq_info(vif->txq);
- if (!test_and_clear_bit(IEEE80211_TXQ_STOP_NETIF_TX, &txqi->flags) ||
+ if (!test_and_clear_bit(IEEE80211_TXQ_DIRTY, &txqi->flags) ||
(ps && atomic_read(&ps->num_sta_ps)) || ac != vif->txq->ac)
goto out;
bool refcounted)
{
struct ieee80211_local *local = hw_to_local(hw);
- struct ieee80211_sub_if_data *sdata;
- int n_acs = IEEE80211_NUM_ACS;
trace_stop_queue(local, queue, reason);
else
local->q_stop_reasons[queue][reason]++;
- if (__test_and_set_bit(reason, &local->queue_stop_reasons[queue]))
- return;
-
- if (local->hw.queues < IEEE80211_NUM_ACS)
- n_acs = 1;
-
- rcu_read_lock();
- list_for_each_entry_rcu(sdata, &local->interfaces, list) {
- int ac;
-
- if (!sdata->dev)
- continue;
-
- for (ac = 0; ac < n_acs; ac++) {
- if (sdata->vif.hw_queue[ac] == queue ||
- sdata->vif.cab_queue == queue) {
- spin_lock(&local->fq.lock);
- sdata->vif.txqs_stopped[ac] = true;
- spin_unlock(&local->fq.lock);
- }
- }
- }
- rcu_read_unlock();
+ set_bit(reason, &local->queue_stop_reasons[queue]);
}
void ieee80211_stop_queue_by_reason(struct ieee80211_hw *hw, int queue,
}
}
-void ieee80211_iterate_stations(struct ieee80211_hw *hw,
- void (*iterator)(void *data,
- struct ieee80211_sta *sta),
- void *data)
-{
- struct ieee80211_local *local = hw_to_local(hw);
-
- mutex_lock(&local->sta_mtx);
- __iterate_stations(local, iterator, data);
- mutex_unlock(&local->sta_mtx);
-}
-EXPORT_SYMBOL_GPL(ieee80211_iterate_stations);
-
void ieee80211_iterate_stations_atomic(struct ieee80211_hw *hw,
void (*iterator)(void *data,
struct ieee80211_sta *sta),
projects / platform / kernel / linux-starfive.git / commitdiff