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mt76: revert support for TX_NEEDS_ALIGNED4_SKBS

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This didn't bring the performance benefit that I had hoped for, so the mac80211
patch for this will not make it upstream

Signed-off-by: Felix Fietkau <[email protected]>
This commit is contained in:
Felix Fietkau
2019-06-24 23:56:23 +02:00
parent 335e8c6baf
commit 47ddf4b722
7 changed files with 33 additions and 18 deletions
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mt76.h
+15
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@@ -292,6 +292,7 @@ struct mt76_hw_cap {
#define MT_TXWI_NO_FREE BIT(0)
struct mt76_driver_ops {
bool tx_aligned4_skbs;
u32 txwi_flags;
u16 txwi_size;
@@ -675,6 +676,20 @@ static inline struct mt76_tx_cb *mt76_tx_skb_cb(struct sk_buff *skb)
return ((void *) IEEE80211_SKB_CB(skb)->status.status_driver_data);
}
static inline void mt76_insert_hdr_pad(struct sk_buff *skb)
{
int len = ieee80211_get_hdrlen_from_skb(skb);
if (len % 4 == 0)
return;
skb_push(skb, 2);
memmove(skb->data, skb->data + 2, len);
skb->data[len] = 0;
skb->data[len + 1] = 0;
}
static inline bool mt76_is_skb_pktid(u8 pktid)
{
if (pktid & MT_PACKET_ID_HAS_RATE)