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Date: Tue, 9 Jul 2013 10:24:20 +0800 From: hayeswang <hayeswang@...ltek.com> To: 'Francois Romieu' <romieu@...zoreil.com>, 'Eric Dumazet' <eric.dumazet@...il.com> CC: 'Pavel Machek' <pavel@....cz>, <netdev@...r.kernel.org>, 'nic_swsd' <nic_swsd@...ltek.com> Subject: RE: Extremely bad performance with RTL8111/8168B Francois Romieu [mailto:romieu@...zoreil.com] > Sent: Tuesday, July 09, 2013 6:02 AM > To: Eric Dumazet > Cc: Pavel Machek; Hayeswang; netdev@...r.kernel.org > Subject: Re: Extremely bad performance with RTL8111/8168B > > Eric Dumazet <eric.dumazet@...il.com> : > [8168d failure] > > It looks like TSO packets are not transmitted, so TCP only 'works' > > because retransmits use non TSO packets. > > > > Could you report "ethtool -k eth0" ? > > > > try : ethtool -K eth0 tso off > > If so it could be worth adding a test for RTL_GIGA_MAC_VER_25 in > rtl_test_hw_pad_bug as has been done for RTL_GIGA_MAC_VER_34 (see > b423e9ae49d78ea3f53b131c8d5a6087aed16fd6). I don't think it is necessary for RTL_GIGA_MAC_VER_25. I don't find any issue about checksum or TSO for 8111d yet. Best Regards, Hayes -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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