From: tom.barbette@ulg.ac.be
To: Anupam Kapoor <anupam.kapoor@gmail.com>
Cc: Avi Cohen <avi.cohen@huawei.com>, users@dpdk.org
Subject: Re: [dpdk-users] KNI - mbuf-sk_buff converstion
Date: Wed, 21 Dec 2016 15:01:31 +0100 (CET) [thread overview]
Message-ID: <1412102721.21124766.1482328891756.JavaMail.zimbra@ulg.ac.be> (raw)
In-Reply-To: <CAEXHiZFdaZpTJJyZ3djXU3r-wMiWdS=WvhfW5qZ-DoUPPf-mJQ@mail.gmail.com>
The memory space could be mapped when converting an mbuf to skbuff (while as you say it would be much harder the other way), but I don't see it done in the KNI code.
It memcpy the whole packet.
Out of curiosity, are there plan on using mapped skbuff?
Tom Barbette
PhD Student @ Université de Liège
Office 1/13
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----- Mail original -----
De: "Anupam Kapoor" <anupam.kapoor@gmail.com>
À: "Avi Cohen" <avi.cohen@huawei.com>
Cc: users@dpdk.org
Envoyé: Mercredi 21 Décembre 2016 09:28:46
Objet: Re: [dpdk-users] KNI - mbuf-sk_buff converstion
On Wed, Dec 21, 2016 at 1:09 PM, Avi Cohen <avi.cohen@huawei.com> wrote:
> are zero_copy with respect to the packet data (headers+payload) - is this
> correc
umm mbuf's, and skb's are in different address spaces...
--
kind regards
anupam
In the beginning was the lambda, and the lambda was with Emacs, and Emacs
was the lambda.
prev parent reply other threads:[~2016-12-21 14:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-21 7:39 Avi Cohen
2016-12-21 8:28 ` Anupam Kapoor
2016-12-21 14:01 ` tom.barbette [this message]
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