From 5c4bc1ce917d93ce8f7dd498fbec6881b3d7743a Mon Sep 17 00:00:00 2001 From: Chaoming Li Date: Wed, 22 Dec 2010 10:56:02 -0600 Subject: [PATCH] rtlwifi: Fix large packet issue An RX buffer is set to 9100 bytes to receive 8K AMSDU; however, an skb of this size fails in the kernel. Signed-off-by: Chaoming Li Signed-off-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/rtlwifi/pci.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c index 353e203..0fa36aa 100644 --- a/drivers/net/wireless/rtlwifi/pci.c +++ b/drivers/net/wireless/rtlwifi/pci.c @@ -612,10 +612,22 @@ static void _rtl_pci_rx_interrupt(struct ieee80211_hw *hw) num_rx_inperiod++; } - if (unlikely(!rtl_action_proc(hw, skb, false))) + if (unlikely(!rtl_action_proc(hw, skb, + false))) { dev_kfree_skb_any(skb); - else - ieee80211_rx_irqsafe(hw, skb); + } else { + struct sk_buff *uskb = NULL; + u8 *pdata; + uskb = dev_alloc_skb(skb->len + 128); + memcpy(IEEE80211_SKB_RXCB(uskb), + &rx_status, + sizeof(rx_status)); + pdata = (u8 *)skb_put(uskb, skb->len); + memcpy(pdata, skb->data, skb->len); + dev_kfree_skb_any(skb); + + ieee80211_rx_irqsafe(hw, uskb); + } } else { dev_kfree_skb_any(skb); } -- 2.7.4