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Date: Tue, 16 Oct 2018 10:10:11 -0700 (PDT) From: David Miller <davem@...emloft.net> To: linyunsheng@...wei.com Cc: huangdaode@...ilicon.com, xuwei5@...ilicon.com, liguozhu@...ilicon.com, Yisen.Zhuang@...wei.com, john.garry@...wei.com, linuxarm@...wei.com, salil.mehta@...wei.com, lipeng321@...wei.com, netdev@...r.kernel.org, linux-kernel@...r.kernel.org Subject: Re: [PATCH net-next 0/5] Some cleanup and bugfix for desc filling From: Yunsheng Lin <linyunsheng@...wei.com> Date: Tue, 16 Oct 2018 19:58:47 +0800 > When retransmiting packets, skb_cow_head which is called in > hns3_set_tso may clone a new header. And driver will clear the > checksum of the header after doing DMA map, so HW will read the > old header whose L3 checksum is not cleared and calculate a > wrong L3 checksum. > > Also When sending a big fragment using multiple buffer descriptor, > hns3 does one maping, but do multiple unmapping when tx is done, > which may cause unmapping problem. > > This patchset does some cleanup before fixing the above problem. Series applied.
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