linux-kernel - Re: [PATCH] net: ipvlan: Fix ipvlan device tso disabled while NETIF_F_IP

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Date:   Tue, 04 Jun 2019 20:01:32 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     linmiaohe@...wei.com
Cc:     idosch@...lanox.com, daniel@...earbox.net, petrm@...lanox.com,
        jiri@...lanox.com, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org, mingfangsen@...wei.com,
        wangxiaogang3@...wei.com
Subject: Re: [PATCH] net: ipvlan: Fix ipvlan device tso disabled while
 NETIF_F_IP_CSUM is set

From: Miaohe Lin <linmiaohe@...wei.com>
Date: Tue, 4 Jun 2019 06:07:34 +0000

> There's some NICs, such as hinic, with NETIF_F_IP_CSUM and NETIF_F_TSO
> on but NETIF_F_HW_CSUM off. And ipvlan device features will be
> NETIF_F_TSO on with NETIF_F_IP_CSUM and NETIF_F_IP_CSUM both off as
> IPVLAN_FEATURES only care about NETIF_F_HW_CSUM. So TSO will be
> disabled in netdev_fix_features.
> For example:
> Features for enp129s0f0:
> rx-checksumming: on
> tx-checksumming: on
>         tx-checksum-ipv4: on
>         tx-checksum-ip-generic: off [fixed]
>         tx-checksum-ipv6: on
> 
> Fixes: a188222b6ed2 ("net: Rename NETIF_F_ALL_CSUM to NETIF_F_CSUM_MASK")
> Signed-off-by: Miaohe Lin <linmiaohe@...wei.com>

Applied.