netdev - Re: [v3] iproute2-next: police: support 64bit rate and peakrate in tc utility

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Date:   Sun, 15 Sep 2019 11:37:53 -0600
From:   David Ahern <dsahern@...il.com>
To:     David Dai <zdai@...ux.vnet.ibm.com>, jhs@...atatu.com,
        xiyou.wangcong@...il.com, jiri@...nulli.us, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     zdai@...ibm.com
Subject: Re: [v3] iproute2-next: police: support 64bit rate and peakrate in tc
 utility

On 9/4/19 9:06 AM, David Dai 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). Taking advantage of the 2 new
> attributes TCA_POLICE_RATE64 and TCA_POLICE_PEAKRATE64 from kernel,
> tc can use them 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>
> ---
> Changelog:
> v1->v2:
>  - Change patch submit component from iproute2 to iproute2-next
>  - Move 2 attributes TCA_POLICE_RATE64 TCA_POLICE_PEAKRATE64 after
>    TCA_POLICE_PAD in pkt_cls.h header to be consistent with kernel's
>    pkt_cls.h header.
> v2->v3:
>   - Use common functions of duparg and invarg in police filter.
> ---
>  include/uapi/linux/pkt_cls.h |    2 +
>  tc/m_police.c                |  149 +++++++++++++++++++-----------------------
>  tc/tc_core.c                 |   29 ++++++++
>  tc/tc_core.h                 |    3 +
>  4 files changed, 102 insertions(+), 81 deletions(-)
> 

applied to iproute2-next.