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Message-ID: <002901cef0ef$1f4a0e00$5dde2a00$@asix.com.tw> Date: Wed, 4 Dec 2013 20:48:24 +0800 From: "Freddy" <freddy@...x.com.tw> To: "'Daniel J Blueman'" <daniel@...ra.org> Cc: "'Linux Kernel'" <linux-kernel@...r.kernel.org> Subject: RE: [PATCH, resubmit] ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver -----Original Message----- From: Daniel J Blueman [mailto:daniel@...ra.org] Sent: Sunday, February 03, 2013 10:22 PM To: Freddy Xin Cc: Linux Kernel Subject: Re: [PATCH, resubmit] ax88179_178a: ASIX AX88179_178A USB 3.0/2.0 to gigabit ethernet adapter driver > Hi Freddy, > Michael, could you give me more information about how do you test this driver? > I have tried to reproduce the issue by using "ifconfig ethX mtu 1500", but I didn't confront the same issue. > Thank you in advance for your help. > I found the same by just starting with 'ifconfig eth0 1500' and testing as high as 4000; pinging another host with a large payload of size mtu-40 starts failing; after ~30s, I see the transmit time out trace [1]. > Of course, a default MTU size of 1500 is essential to avoid fragmentation issues, so should be fixed too. Jumbo frames support is essential these days too. Hi Daniel, The default MTU size will be change to 1500 and the HW jumbo frame function will be enabled in the next submission of the driver. Thanks for your help. Freddy -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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