linux-kernel - Re: [PATCH net-next 1/7] net: hns3: add support for RX completion checksum

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Message-ID: <20201127125251.7d25bb1a@kicinski-fedora-pc1c0hjn.DHCP.thefacebook.com>
Date:   Fri, 27 Nov 2020 12:52:51 -0800
From:   Jakub Kicinski <kuba@...nel.org>
To:     Huazhong Tan <tanhuazhong@...wei.com>
Cc:     <davem@...emloft.net>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <salil.mehta@...wei.com>,
        <yisen.zhuang@...wei.com>, <linuxarm@...wei.com>
Subject: Re: [PATCH net-next 1/7] net: hns3: add support for RX completion
 checksum

On Fri, 27 Nov 2020 16:47:16 +0800 Huazhong Tan wrote:
> In some cases (for example ip fragment), hardware will
> calculate the checksum of whole packet in RX, and setup
> the HNS3_RXD_L2_CSUM_B flag in the descriptor, so add
> support to utilize this checksum.
> 
> Signed-off-by: Huazhong Tan <tanhuazhong@...wei.com>

drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2810:14: warning: incorrect type in assignment (different base types)
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2810:14:    expected restricted __sum16 [usertype] csum
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2810:14:    got unsigned int
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2812:14: warning: invalid assignment: |=
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2812:14:    left side has type restricted __sum16
drivers/net/ethernet/hisilicon/hns3/hns3_enet.c:2812:14:    right side has type unsigned int