netdev - Re: [PATCH] openvswitch: Add packet truncation support.

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Message-ID: <CAOrHB_BUYhZxOMrs4EJyCA1Z8UTYKCNLv3G1rEX5LHP_yamxDw@mail.gmail.com>
Date:	Thu, 9 Jun 2016 11:17:55 -0700
From:	pravin shelar <pshelar@....org>
To:	Rick Jones <rick.jones2@....com>
Cc:	William Tu <u9012063@...il.com>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: [PATCH] openvswitch: Add packet truncation support.

On Thu, Jun 9, 2016 at 8:57 AM, Rick Jones <rick.jones2@....com> wrote:
> On 06/08/2016 09:30 PM, pravin shelar wrote:
>>
>> On Wed, Jun 8, 2016 at 6:18 PM, William Tu <u9012063@...il.com> wrote:
>>>
>>> +struct ovs_action_trunc {
>>> +       uint32_t max_len; /* Max packet size in bytes. */
>>
>> This could uint16_t. as it is related to packet len.
>>
>
> Is there something limiting MTUs to 65535 bytes?
>
I was thinking of typical traffic, ip, ip6. But since linux skb can
have handle larger packet lets keep this field 32bit.
So now we also needs cutlen to be 32 bit.