netdev - Re: [PATCH] net: take care of bonding in build_skb_flow

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Message-ID: <568CBE27.7030004@oracle.com>
Date:	Wed, 6 Jan 2016 15:11:35 +0800
From:	Wengang Wang <wen.gang.wang@...cle.com>
To:	zhuyj <zyjzyj2000@...il.com>, David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] net: take care of bonding in build_skb_flow_key

Hmm, we are not changing device MTU but PMTU...

thanks,
wengang

在 2016年01月06日 14:44, zhuyj 写道:
> IMHO, the following comments will help us all.
>
>         case NETDEV_CHANGEMTU:
>                 /* TODO: Should slaves be allowed to
>                  * independently alter their MTU?  For
>                  * an active-backup bond, slaves need
>                  * not be the same type of device, so
>                  * MTUs may vary.  For other modes,
>                  * slaves arguably should have the
>                  * same MTUs. To do this, we'd need to
>                  * take over the slave's change_mtu
>                  * function for the duration of their
>                  * servitude.
>                  */
>                 break;
>
> Best Regards!
> Zhu Yanjun
>
> On 01/06/2016 02:32 PM, Wengang Wang wrote:
>>
>>
>> 在 2016年01月06日 14:18, David Miller 写道:
>>> From: Wengang Wang <wen.gang.wang@...cle.com>
>>> Date: Wed,  6 Jan 2016 13:49:28 +0800
>>>
>>>> @@ -523,11 +523,20 @@ static void build_skb_flow_key(struct flowi4 
>>>> *fl4, const struct sk_buff *skb,
>>>>                      const struct sock *sk)
>>>>   {
>>>>       const struct iphdr *iph = ip_hdr(skb);
>>>> -    int oif = skb->dev->ifindex;
>>>> +    int oif;
>>>> +    struct net_device *master = NULL;
>>>> +
>>>>       u8 tos = RT_TOS(iph->tos);
>>>>       u8 prot = iph->protocol;
>>>>       u32 mark = skb->mark;
>>> Please fix the stlye of these variable declarations:
>>>
>>> 1) Order them from longest line to shortest line, also known
>>>     as "reverse christmas tree" layout.
>>>
>>> 2) Do not add an empty line in the middle of these variable
>>>     declarations.
>> OK, will do in second drop.
>>
>> thanks,
>> wengang
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