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mt7601u: use ieee80211_rx_list to pass frames to the network stack as a batch

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Similar to mt76 driver, rely on ieee80211_rx_list in order to
improve icache footprint

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Acked-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/5c72fa2dda45c1ae3f285af80c02f3db23341d85.1610580222.git.lorenzo@kernel.org
This commit is contained in:
Lorenzo Bianconi 2021-01-14 00:26:26 +01:00 committed by Kalle Valo
parent 6598f32d9d
commit 2a9269b1cd
1 changed files with 14 additions and 5 deletions
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19
drivers/net/wireless/mediatek/mt7601u/dma.c
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@ -74,7 +74,8 @@ bad_frame:
}
static void mt7601u_rx_process_seg(struct mt7601u_dev *dev, u8 *data,
u32 seg_len, struct page *p)
u32 seg_len, struct page *p,
struct list_head *list)
{
struct sk_buff *skb;
struct mt7601u_rxwi *rxwi;
@ -104,9 +105,13 @@ static void mt7601u_rx_process_seg(struct mt7601u_dev *dev, u8 *data,
if (!skb)
return;
spin_lock(&dev->mac_lock);
ieee80211_rx(dev->hw, skb);
spin_unlock(&dev->mac_lock);
local_bh_disable();
rcu_read_lock();
ieee80211_rx_list(dev->hw, NULL, skb, list);
rcu_read_unlock();
local_bh_enable();
}
static u16 mt7601u_rx_next_seg_len(u8 *data, u32 data_len)
@ -130,6 +135,7 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e)
u32 seg_len, data_len = e->urb->actual_length;
u8 *data = page_address(e->p);
struct page *new_p = NULL;
LIST_HEAD(list);
int cnt = 0;
if (!test_bit(MT7601U_STATE_INITIALIZED, &dev->state))
@ -140,7 +146,8 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e)
new_p = dev_alloc_pages(MT_RX_ORDER);
while ((seg_len = mt7601u_rx_next_seg_len(data, data_len))) {
mt7601u_rx_process_seg(dev, data, seg_len, new_p ? e->p : NULL);
mt7601u_rx_process_seg(dev, data, seg_len,
new_p ? e->p : NULL, &list);
data_len -= seg_len;
data += seg_len;
@ -150,6 +157,8 @@ mt7601u_rx_process_entry(struct mt7601u_dev *dev, struct mt7601u_dma_buf_rx *e)
if (cnt > 1)
trace_mt_rx_dma_aggr(dev, cnt, !!new_p);
netif_receive_skb_list(&list);
if (new_p) {
/* we have one extra ref from the allocator */
__free_pages(e->p, MT_RX_ORDER);