RX path has extra copying of packets, that can be avoided.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
---
drivers/net/wireless/rtlwifi/usb.c | 19 ++++---------------
1 file changed, 4 insertions(+), 15 deletions(-)
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 146d2b4..8563818 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -513,22 +513,11 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw,
if (unicast)
rtlpriv->link_info.num_rx_inperiod++;
}
- if (likely(rtl_action_proc(hw, skb, false))) {
- struct sk_buff *uskb = NULL;
- u8 *pdata;
-
- uskb = dev_alloc_skb(skb->len + 128);
- if (uskb) { /* drop packet on allocation failure */
- memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
- sizeof(rx_status));
- pdata = (u8 *)skb_put(uskb, skb->len);
- memcpy(pdata, skb->data, skb->len);
- ieee80211_rx_irqsafe(hw, uskb);
- }
- dev_kfree_skb_any(skb);
- } else {
+
+ if (likely(rtl_action_proc(hw, skb, false)))
+ ieee80211_rx_irqsafe(hw, skb);
+ else
dev_kfree_skb_any(skb);
- }
}
}
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