linux-kernel - Re: [v3] net_sched: act_police: add 2 new attributes to support police 64bit rate and peakrate

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Message-ID: <CAM_iQpW_x6bN1Ea1sGv4XpNauXEpu+fKOhoW6350ztYF5izhGg@mail.gmail.com>
Date:   Thu, 5 Sep 2019 10:04:12 -0700
From:   Cong Wang <xiyou.wangcong@...il.com>
To:     David Dai <zdai@...ux.vnet.ibm.com>
Cc:     Jamal Hadi Salim <jhs@...atatu.com>, Jiri Pirko <jiri@...nulli.us>,
        David Miller <davem@...emloft.net>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, zdai@...ibm.com
Subject: Re: [v3] net_sched: act_police: add 2 new attributes to support
 police 64bit rate and peakrate

On Wed, Sep 4, 2019 at 8:03 AM David Dai <zdai@...ux.vnet.ibm.com> wrote:
>
> For high speed adapter like Mellanox CX-5 card, it can reach upto
> 100 Gbits per second bandwidth. Currently htb already supports 64bit rate
> in tc utility. However police action rate and peakrate are still limited
> to 32bit value (upto 32 Gbits per second). Add 2 new attributes
> TCA_POLICE_RATE64 and TCA_POLICE_RATE64 in kernel for 64bit support
> so that tc utility can use them for 64bit rate and peakrate value to
> break the 32bit limit, and still keep the backward binary compatibility.
>
> Tested-by: David Dai <zdai@...ux.vnet.ibm.com>
> Signed-off-by: David Dai <zdai@...ux.vnet.ibm.com>

Acked-by: Cong Wang <xiyou.wangcong@...il.com>

Thanks.