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From: Cong Wang <amwang@redhat.com>
To: Octavian Purdila <opurdila@ixiacom.com>
Cc: David Miller <davem@davemloft.net>,
	linux-kernel@vger.kernel.org, eric.dumazet@gmail.com,
	linux-rdma@vger.kernel.org, netdev@vger.kernel.org,
	nhorman@tuxdriver.com, linux-sctp@vger.kernel.org
Subject: Re: [RFC Patch] net: reserve ports for applications using fixed port numbers
Date: Mon, 08 Feb 2010 11:21:50 +0800	[thread overview]
Message-ID: <4B6F834E.4010801@redhat.com> (raw)
In-Reply-To: <201002051405.54029.opurdila@ixiacom.com>

Octavian Purdila wrote:
> On Friday 05 February 2010 06:45:38 you wrote:
> 
>> Again, using bitmap algorithm is not a problem and it's better, the
>> problem is sysctl interface, how would you plan to interact with users
>> via sysctl/proc if you use bitmap to handle this? I would like to hear
>> more details about this.
>>
> 
> We could use something like positive values for setting and negative for reset 
> (e.g. 3 would set the port in the bitmap and -3 would reset it).


Hmm, then how do you output the info of those ports? Arrays of bitmaps?

> 
> But we would need new sysctl and proc handlers to handle the bitmap case (e.g. 
> sysctl_bitmap, proc_dobitmap_minmax).

Maybe.

Thanks.

  reply	other threads:[~2010-02-08  3:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-03  4:30 [RFC Patch] net: reserve ports for applications using fixed port numbers Amerigo Wang
2010-02-03  4:39 ` Eric Dumazet
2010-02-03  5:15   ` Cong Wang
2010-02-03 11:12 ` Octavian Purdila
2010-02-04  3:23   ` Cong Wang
2010-02-04 12:44     ` Octavian Purdila
2010-02-04 17:41       ` David Miller
2010-02-04 18:15         ` Octavian Purdila
2010-02-04 18:21           ` David Miller
2010-02-04 21:45           ` Tetsuo Handa
2010-02-04 21:56             ` David Miller
2010-02-05  0:41               ` Tetsuo Handa
2010-02-05  1:05                 ` Octavian Purdila
2010-02-05  6:01                   ` Cong Wang
2010-02-05 12:28                     ` Octavian Purdila
2010-02-05  4:45           ` Cong Wang
2010-02-05 12:05             ` Octavian Purdila
2010-02-08  3:21               ` Cong Wang [this message]
2010-02-08 16:51                 ` Octavian Purdila
2010-02-05  7:11 ` Bart Van Assche
2010-02-05  7:25   ` Cong Wang
2010-02-05  9:08     ` [RFC Patch] net: reserve ports for applications using fixed portnumbers Tetsuo Handa

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