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authorLorenzo Bianconi <lorenzo@kernel.org>2021-01-14 02:26:26 +0300
committerKalle Valo <kvalo@codeaurora.org>2021-01-25 17:41:44 +0300
commit2a9269b1cdc35e7c341a7e0cf310c4c65c7faeec (patch)
tree37cb0e6352142a7327cd69eff4df6984eebfa7b0 /drivers/net/wireless/mediatek/mt7601u/dma.c
parent6598f32d9dfe2c5324c9dfd7046929104d390c74 (diff)
downloadlinux-2a9269b1cdc35e7c341a7e0cf310c4c65c7faeec.tar.xz
mt7601u: use ieee80211_rx_list to pass frames to the network stack as a batch
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
Diffstat (limited to 'drivers/net/wireless/mediatek/mt7601u/dma.c')
-rw-r--r--drivers/net/wireless/mediatek/mt7601u/dma.c19
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c
index 98733c23d408..46d05f839287 100644
--- a/drivers/net/wireless/mediatek/mt7601u/dma.c
+++ b/drivers/net/wireless/mediatek/mt7601u/dma.c
@@ -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);