netdev - Re: [PATCH net-next v1 3/3] net/mlx5e: TC, Add support for VxLAN GBP encap/decap flows offload

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Date:   Wed, 15 Feb 2023 17:57:24 +0100
From:   Alexander Lobakin <aleksander.lobakin@...el.com>
To:     Gavin Li <gavinl@...dia.com>
CC:     <davem@...emloft.net>, <edumazet@...gle.com>, <kuba@...nel.org>,
        <pabeni@...hat.com>, <roopa@...dia.com>,
        <eng.alaamohamedsoliman.am@...il.com>, <bigeasy@...utronix.de>,
        <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Roi Dayan <roid@...dia.com>, Maor Dickman <maord@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>
Subject: Re: [PATCH net-next v1 3/3] net/mlx5e: TC, Add support for VxLAN GBP
 encap/decap flows offload

From: Gavin Li <gavinl@...dia.com>
Date: Wed, 15 Feb 2023 11:36:24 +0800

> 
> On 2/14/2023 11:26 PM, Alexander Lobakin wrote:
>> External email: Use caution opening links or attachments
>>
>>
>> From: Gavin Li <gavinl@...dia.com>
>> Date: Tue, 14 Feb 2023 15:41:37 +0200

[...]

>>> @@ -96,6 +99,70 @@ static int mlx5e_gen_ip_tunnel_header_vxlan(char
>>> buf[],
>>>        udp->dest = tun_key->tp_dst;
>>>        vxh->vx_flags = VXLAN_HF_VNI;
>>>        vxh->vx_vni = vxlan_vni_field(tun_id);
>>> +     if (tun_key->tun_flags & TUNNEL_VXLAN_OPT) {
>>> +             md = ip_tunnel_info_opts((struct ip_tunnel_info
>>> *)e->tun_info);
>>> +             vxlan_build_gbp_hdr(vxh, tun_key->tun_flags,
>>> +                                 (struct vxlan_metadata *)md);
>> Maybe constify both ip_tunnel_info_opts() and vxlan_build_gbp_hdr()
>> arguments instead of working around by casting away?
> ACK. Sorry for the confusion---I misunderstood the comment.

Ah, no worries :D Sorry that I sent the prev mail and only then opened
this one.

>>
>>> +     }
>>> +
>>> +     return 0;
>>> +}
Thanks,
Olek