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Re: mbuf retransmits

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Re: mbuf retransmits

Subject: Re: mbuf retransmits
From: Josh Graessley <email@hidden>
Date: Mon, 04 Aug 2008 11:06:33 -0700

You need to make a copy of the mbuf with mbuf_copy or mbuf_dup. I can't recall the details but that should get you started. At least one of them doesn't actually duplicate the data from external clusters.

-josh

On Aug 3, 2008, at 10:38 AM, Doug John wrote:

Hi,
My NKE injects packets using the ifnet_output_raw function. I need to handle the situation where the network drops the packet and I need to re-transmit the mbuf. Is it possible to have ifnet_output_raw NOT free the mbuf packet, maybe using some retain flag or something? I'm trying to avoid copying mbufs just for this purpose.
Thanks,
DJ
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References:  
  >mbuf retransmits (From: "Doug John" <email@hidden>)




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