diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c | 142 |
1 files changed, 0 insertions, 142 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c b/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c deleted file mode 100644 index 3a2ec86d3e88..000000000000 --- a/drivers/net/wireless/mediatek/mt76/mt76x2/pci_tx.c +++ /dev/null @@ -1,142 +0,0 @@ -/* - * Copyright (C) 2016 Felix Fietkau <nbd@nbd.name> - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include "mt76x2.h" - -struct beacon_bc_data { - struct mt76x02_dev *dev; - struct sk_buff_head q; - struct sk_buff *tail[8]; -}; - -static void -mt76x2_update_beacon_iter(void *priv, u8 *mac, struct ieee80211_vif *vif) -{ - struct mt76x02_dev *dev = (struct mt76x02_dev *) priv; - struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv; - struct sk_buff *skb = NULL; - - if (!(dev->beacon_mask & BIT(mvif->idx))) - return; - - skb = ieee80211_beacon_get(mt76_hw(dev), vif); - if (!skb) - return; - - mt76x2_mac_set_beacon(dev, mvif->idx, skb); -} - -static void -mt76x2_add_buffered_bc(void *priv, u8 *mac, struct ieee80211_vif *vif) -{ - struct beacon_bc_data *data = priv; - struct mt76x02_dev *dev = data->dev; - struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv; - struct ieee80211_tx_info *info; - struct sk_buff *skb; - - if (!(dev->beacon_mask & BIT(mvif->idx))) - return; - - skb = ieee80211_get_buffered_bc(mt76_hw(dev), vif); - if (!skb) - return; - - info = IEEE80211_SKB_CB(skb); - info->control.vif = vif; - info->flags |= IEEE80211_TX_CTL_ASSIGN_SEQ; - mt76_skb_set_moredata(skb, true); - __skb_queue_tail(&data->q, skb); - data->tail[mvif->idx] = skb; -} - -static void -mt76x2_resync_beacon_timer(struct mt76x02_dev *dev) -{ - u32 timer_val = dev->beacon_int << 4; - - dev->tbtt_count++; - - /* - * Beacon timer drifts by 1us every tick, the timer is configured - * in 1/16 TU (64us) units. - */ - if (dev->tbtt_count < 62) - return; - - if (dev->tbtt_count >= 64) { - dev->tbtt_count = 0; - return; - } - - /* - * The updated beacon interval takes effect after two TBTT, because - * at this point the original interval has already been loaded into - * the next TBTT_TIMER value - */ - if (dev->tbtt_count == 62) - timer_val -= 1; - - mt76_rmw_field(dev, MT_BEACON_TIME_CFG, - MT_BEACON_TIME_CFG_INTVAL, timer_val); -} - -void mt76x2_pre_tbtt_tasklet(unsigned long arg) -{ - struct mt76x02_dev *dev = (struct mt76x02_dev *) arg; - struct mt76_queue *q = &dev->mt76.q_tx[MT_TXQ_PSD]; - struct beacon_bc_data data = {}; - struct sk_buff *skb; - int i, nframes; - - mt76x2_resync_beacon_timer(dev); - - data.dev = dev; - __skb_queue_head_init(&data.q); - - ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev), - IEEE80211_IFACE_ITER_RESUME_ALL, - mt76x2_update_beacon_iter, dev); - - do { - nframes = skb_queue_len(&data.q); - ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev), - IEEE80211_IFACE_ITER_RESUME_ALL, - mt76x2_add_buffered_bc, &data); - } while (nframes != skb_queue_len(&data.q)); - - if (!nframes) - return; - - for (i = 0; i < ARRAY_SIZE(data.tail); i++) { - if (!data.tail[i]) - continue; - - mt76_skb_set_moredata(data.tail[i], false); - } - - spin_lock_bh(&q->lock); - while ((skb = __skb_dequeue(&data.q)) != NULL) { - struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); - struct ieee80211_vif *vif = info->control.vif; - struct mt76x02_vif *mvif = (struct mt76x02_vif *) vif->drv_priv; - - mt76_dma_tx_queue_skb(&dev->mt76, q, skb, &mvif->group_wcid, - NULL); - } - spin_unlock_bh(&q->lock); -} - |