r8169: corrupted IP fragments fix for large mtu.

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 <nbowler@elliptictech.com>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
françois romieu 2012-03-02 04:43:14 +00:00 committed by David S. Miller
parent 3f2010b2ad
commit 9c5028e9da

View file

@ -3781,12 +3781,20 @@ static void rtl8169_init_ring_indexes(struct rtl8169_private *tp)
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)