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Commit cc9f022d authored by Francois Romieu's avatar Francois Romieu Committed by Francois Romieu
Browse files

r8169: more alignment for the 0x8168 

Two thirds of packets are lost because of misalignment. Users of
Asus laptop did apparently not notice it.

Reported on Gigabyte GA-945GM-S2.

Fix for http://bugzilla.kernel.org/show_bug.cgi?id=7517



Signed-off-by: default avatarFrancois Romieu <romieu@fr.zoreil.com>
parent 12d86f68

drivers/net/r8169.c

+2 −2
Original line number Diff line number Diff line
@@ -2018,7 +2018,7 @@ static int rtl8169_alloc_rx_skb(struct pci_dev *pdev, struct sk_buff **sk_buff, 
	if (!skb)

		goto err_out;



	skb_reserve(skb, align);

	skb_reserve(skb, (align - 1) & (u32)skb->data);

	*sk_buff = skb;



	mapping = pci_map_single(pdev, skb->data, rx_buf_sz,
@@ -2486,7 +2486,7 @@ static inline int rtl8169_try_rx_copy(struct sk_buff **sk_buff, int pkt_size, 


		skb = dev_alloc_skb(pkt_size + align);

		if (skb) {

			skb_reserve(skb, align);

			skb_reserve(skb, (align - 1) & (u32)skb->data);

			eth_copy_and_sum(skb, sk_buff[0]->data, pkt_size, 0);

			*sk_buff = skb;

			rtl8169_mark_to_asic(desc, rx_buf_sz);