[PATCH 4/5] r8169: more alignment for the 0x8168
From: Francois Romieu <romieu@fr.zoreil.com>
Date: 2006-12-04 00:04:41
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
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: Francois Romieu <romieu@fr.zoreil.com> --- drivers/net/r8169.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b57050..2379d83 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c@@ -2018,7 +2018,7 @@ static int rtl8169_alloc_rx_skb(struct p 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(st 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);
--
1.4.2.3