diff options
Diffstat (limited to 'drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c')
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c index 89249621bcec..c403218533da 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c +++ b/drivers/net/wireless/mediatek/mt76/mt76x02_usb_core.c @@ -107,6 +107,13 @@ EXPORT_SYMBOL_GPL(mt76x02u_tx_prepare_skb); /* Trigger pre-TBTT event 8 ms before TBTT */ #define PRE_TBTT_USEC 8000 + +/* Beacon SRAM memory is limited to 8kB. We need to send PS buffered frames + * (which can be 1500 bytes big) via beacon memory. That make limit of number + * of slots to 5. TODO: dynamically calculate offsets in beacon SRAM. + */ +#define N_BCN_SLOTS 5 + static void mt76x02u_start_pre_tbtt_timer(struct mt76x02_dev *dev) { u64 time; @@ -164,7 +171,6 @@ static void mt76x02u_pre_tbtt_work(struct work_struct *work) { struct mt76x02_dev *dev = container_of(work, struct mt76x02_dev, pre_tbtt_work); - int beacon_len = mt76x02_beacon_offsets[1] - mt76x02_beacon_offsets[0]; struct beacon_bc_data data = {}; struct sk_buff *skb; int i, nbeacons; @@ -179,14 +185,10 @@ static void mt76x02u_pre_tbtt_work(struct work_struct *work) mt76x02_update_beacon_iter, dev); nbeacons = hweight8(dev->beacon_mask); - mt76x02_enqueue_buffered_bc(dev, &data, 8 - nbeacons); + mt76x02_enqueue_buffered_bc(dev, &data, N_BCN_SLOTS - nbeacons); - for (i = nbeacons; i < 8; i++) { + for (i = nbeacons; i < N_BCN_SLOTS; i++) { skb = __skb_dequeue(&data.q); - if (skb && skb->len >= beacon_len) { - dev_kfree_skb(skb); - skb = NULL; - } mt76x02_mac_set_beacon(dev, i, skb); } @@ -224,7 +226,7 @@ static void mt76x02u_beacon_enable(struct mt76x02_dev *dev, bool en) /* Timer is already stopped, only clean up * PS buffered frames if any. */ - for (i = 0; i < 8; i++) + for (i = 0; i < N_BCN_SLOTS; i++) mt76x02_mac_set_beacon(dev, i, NULL); } } @@ -232,6 +234,8 @@ static void mt76x02u_beacon_enable(struct mt76x02_dev *dev, bool en) void mt76x02u_init_beacon_config(struct mt76x02_dev *dev) { static const struct mt76x02_beacon_ops beacon_ops = { + .nslots = N_BCN_SLOTS, + .slot_size = (8192 / N_BCN_SLOTS) & ~63, .pre_tbtt_enable = mt76x02u_pre_tbtt_enable, .beacon_enable = mt76x02u_beacon_enable, }; |