netdev - Re: [PATCH net] vrf: Increment Icmp6InMsgs on the original netdev

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Date:   Thu, 6 Jun 2019 10:25:35 -0600
From:   David Ahern <dsahern@...il.com>
To:     Stephen Suryaputra <ssuryaextr@...il.com>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH net] vrf: Increment Icmp6InMsgs on the original netdev

On 6/1/19 12:14 PM, Stephen Suryaputra wrote:
> On Fri, May 31, 2019 at 05:06:16PM -0600, David Ahern wrote:
>> On 5/29/19 11:08 PM, Stephen Suryaputra wrote:
>>> diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
>>> index 1a832f5e190b..9b365c345c34 100644
>>> --- a/net/ipv6/reassembly.c
>>> +++ b/net/ipv6/reassembly.c
>>> @@ -260,6 +260,9 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *skb,
>>>  	int payload_len;
>>>  	u8 ecn;
>>>  
>>> +	if (netif_is_l3_master(dev))
>>> +		dev = dev_get_by_index_rcu(net, inet6_iif(skb));
>>> +
>>>  	inet_frag_kill(&fq->q);
>>>  
>>>  	ecn = ip_frag_ecn_table[fq->ecn];
>>>
>>
>> this part changes skb->dev. Seems like it has an unintended effect if
>> the packet is delivered locally.
> 
> Ah, right. How about this then?
> 

looks ok to me.