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mt76x02: generalize some mmio beaconing functions

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Move some TBTT mmio functions to mt76x02_beacon.c and create new ones
in order to be reused by USB pre-TBTT.

Signed-off-by: Stanislaw Gruszka <[email protected]>
Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Stanislaw Gruszka
2019-03-24 08:22:22 +01:00
committed by Felix Fietkau
parent 37af803a2f
commit 41d61908b2
3 changed files with 115 additions and 89 deletions
Download Patch File Download Diff File Expand all files Collapse all files
mt76x02_mmio.c
+2 -89
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@@ -22,97 +22,16 @@
#include "mt76x02_mcu.h"
#include "mt76x02_trace.h"
struct beacon_bc_data {
struct mt76x02_dev *dev;
struct sk_buff_head q;
struct sk_buff *tail[8];
};
static void
mt76x02_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;
mt76x02_mac_set_beacon(dev, mvif->idx, skb);
}
static void
mt76x02_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
mt76x02_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 < 63)
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 == 63)
timer_val -= 1;
mt76_rmw_field(dev, MT_BEACON_TIME_CFG,
MT_BEACON_TIME_CFG_INTVAL, timer_val);
if (dev->tbtt_count >= 64) {
dev->tbtt_count = 0;
return;
}
}
static void mt76x02_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].q;
struct beacon_bc_data data = {};
struct sk_buff *skb;
int i, nframes;
int i;
mt76x02_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,
mt76x02_update_beacon_iter, dev);
@@ -122,13 +41,7 @@ static void mt76x02_pre_tbtt_tasklet(unsigned long arg)
if (dev->mt76.csa_complete)
return;
do {
nframes = skb_queue_len(&data.q);
ieee80211_iterate_active_interfaces_atomic(mt76_hw(dev),
IEEE80211_IFACE_ITER_RESUME_ALL,
mt76x02_add_buffered_bc, &data);
} while (nframes != skb_queue_len(&data.q) &&
skb_queue_len(&data.q) < 8);
mt76x02_enqueue_buffered_bc(dev, &data, 8);
if (!skb_queue_len(&data.q))
return;