[ 22/41] r8169: corrupted IP fragments fix for large mtu.
From: Greg KH <gregkh@linuxfoundation.org>
Date: 2012-03-16 23:40:49
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3.2-stable review patch. If anyone has any objections, please let me know. ------------------ From: fran���ois romieu <romieu@fr.zoreil.com> [ Upstream commit 9c5028e9da1255dd2b99762d8627b88b29f68cce ] Noticed with the 8168d (-vb-gr, aka RTL_GIGA_MAC_VER_26). ConfigX registers should only be written while the Config9346 lock is held. Signed-off-by: Francois Romieu <romieu@fr.zoreil.com> Reported-by: Nick Bowler <redacted> Cc: Hayes Wang <redacted> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/net/ethernet/realtek/r8169.c | 8 ++++++++ 1 file changed, 8 insertions(+)
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c@@ -3781,12 +3781,20 @@ static void rtl8169_init_ring_indexes(st static void rtl_hw_jumbo_enable(struct rtl8169_private *tp) { + void __iomem *ioaddr = tp->mmio_addr; + + RTL_W8(Cfg9346, Cfg9346_Unlock); rtl_generic_op(tp, tp->jumbo_ops.enable); + RTL_W8(Cfg9346, Cfg9346_Lock); } static void rtl_hw_jumbo_disable(struct rtl8169_private *tp) { + void __iomem *ioaddr = tp->mmio_addr; + + RTL_W8(Cfg9346, Cfg9346_Unlock); rtl_generic_op(tp, tp->jumbo_ops.disable); + RTL_W8(Cfg9346, Cfg9346_Lock); } static void r8168c_hw_jumbo_enable(struct rtl8169_private *tp)