diff options
| author | Jussi Kivilinna <jussi.kivilinna@iki.fi> | 2013-03-17 10:59:18 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2013-03-25 21:42:22 +0100 |
| commit | d7d0f081c48951018133cac38c8c0796f37db727 (patch) | |
| tree | a949ef9f9a2482efedc25745a2bff81eea2209a6 /drivers/net/wireless/rtlwifi/usb.c | |
| parent | rtlwifi: usb: use usb_alloc_coherent for RX buffers (diff) | |
| download | linux-d7d0f081c48951018133cac38c8c0796f37db727.tar.xz linux-d7d0f081c48951018133cac38c8c0796f37db727.zip | |
rtlwifi: usb: remove extra skb copy on RX path
RX path has extra copying of packets, that can be avoided.
Signed-off-by: Jussi Kivilinna <jussi.kivilinna@iki.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rtlwifi/usb.c')
| -rw-r--r-- | drivers/net/wireless/rtlwifi/usb.c | 19 |
1 files changed, 4 insertions, 15 deletions
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c index 22f29d75947e..8df5836cc99c 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); - } } } |