From: Michael Wang <wangyun@linux.vnet.ibm.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: monstr@monstr.eu, David Miller <davem@davemloft.net>,
John Williams <john.williams@petalogix.com>,
netdev@vger.kernel.org
Subject: Re: ICMP packets - ll_temac with Microblaze
Date: Thu, 22 Dec 2011 21:42:02 +0800 [thread overview]
Message-ID: <4EF333AA.7040400@linux.vnet.ibm.com> (raw)
In-Reply-To: <1324560068.2153.6.camel@edumazet-HP-Compaq-6005-Pro-SFF-PC>
On 12/22/2011 09:21 PM, Eric Dumazet wrote:
> Le jeudi 22 décembre 2011 à 21:01 +0800, Michael Wang a écrit :
>
>> Hi, Eric
>>
>> So do you mean the way is:
>>
>> ip_local_deliver_finish --> raw_local_deliver --> raw_v4_input -->
>> raw_rcv --> raw_rcv_skb --> sock_queue_rcv_skb
>>
>> And in sock_queue_rcv_skb:
>>
>> if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
>> (unsigned)sk->sk_rcvbuf) {
>> atomic_inc(&sk->sk_drops);
>> trace_sock_rcvqueue_full(sk, skb);
>> return -ENOMEM; //drop?
>> }
>>
>> Is this the way the packet being dropped? Is this confirmed by some printk?
>>
>> Sorry if the question is naive, I just want to make sure I am checking
>> at the right place.
>>
>
> Yep
>
> Are you aware I already posted a patch to solve the problem ?
>
> http://patchwork.ozlabs.org/patch/132698/
>
Oh, sorry, I don't know about that, congratulation :)
Regards,
Michael Wang
>
>
prev parent reply other threads:[~2011-12-22 13:42 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-21 10:11 ICMP packets - ll_temac with Microblaze Michal Simek
2011-12-21 10:28 ` Eric Dumazet
2011-12-21 10:30 ` Michal Simek
2011-12-21 10:30 ` Eric Dumazet
2011-12-21 10:32 ` Michal Simek
2011-12-21 10:37 ` Eric Dumazet
2011-12-21 10:41 ` Michal Simek
2011-12-21 10:45 ` Eric Dumazet
2011-12-21 10:54 ` Michal Simek
2011-12-21 11:05 ` Eric Dumazet
2011-12-21 11:03 ` Eric Dumazet
2011-12-21 11:10 ` Michal Simek
2011-12-21 11:13 ` Eric Dumazet
2011-12-21 11:50 ` Michal Simek
2011-12-21 12:39 ` Eric Dumazet
2011-12-21 13:28 ` Michal Simek
2011-12-21 13:40 ` Eric Dumazet
2011-12-21 14:24 ` Michal Simek
2011-12-21 15:30 ` Eric Dumazet
2011-12-21 15:44 ` Eric Dumazet
2011-12-21 16:01 ` Jun Zhao
2011-12-21 16:05 ` Eric Dumazet
2011-12-21 16:11 ` Jun Zhao
2011-12-21 16:39 ` David Laight
2011-12-21 16:50 ` Eric Dumazet
2011-12-21 15:59 ` Eric Dumazet
2011-12-21 17:11 ` Eric Dumazet
2011-12-21 20:55 ` David Miller
2011-12-22 7:49 ` Michal Simek
2011-12-22 7:57 ` Eric Dumazet
2011-12-22 8:05 ` Michal Simek
2011-12-22 10:32 ` Michael Wang
2011-12-22 10:46 ` Eric Dumazet
2011-12-22 13:01 ` Michael Wang
2011-12-22 13:21 ` Eric Dumazet
2011-12-22 13:42 ` Michael Wang [this message]
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