From: Olivier MATZ <olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Stephen Hemminger
<stephen-OTpzqLSitTUnbdJkjeBofR2eb7JE58TQ@public.gmane.org>
Cc: "dev-VfR2kkLFssw@public.gmane.org" <dev-VfR2kkLFssw@public.gmane.org>
Subject: Re: [PATCH RFC 06/11] mbuf: replace data pointer by an offset
Date: Mon, 12 May 2014 18:13:26 +0200 [thread overview]
Message-ID: <5370F326.8070206@6wind.com> (raw)
In-Reply-To: <20140512085924.20a29cad-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
Hi Stephen,
On 05/12/2014 05:59 PM, Stephen Hemminger wrote:
> There is one case which this case might make problematic.
> Right now it is possible to clone an mbuf and in the cloned mbuf
> use the associated data buffer as private meta data store.
> This is convenient (like skb->cb in Linux) and avoids addtional
> allocation.
I don't get your point. Why using rte_pktmbuf_mtod(m, char *)
wouldn't work in your case?
next prev parent reply other threads:[~2014-05-12 16:13 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-09 14:50 [PATCH RFC 00/11] ixgbe/mbuf: add TSO support Olivier Matz
[not found] ` <1399647038-15095-1-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-09 14:50 ` [PATCH RFC 01/11] igb/ixgbe: fix IP checksum calculation Olivier Matz
[not found] ` <1399647038-15095-2-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-15 10:40 ` Ananyev, Konstantin
2014-05-09 14:50 ` [PATCH RFC 02/11] mbuf: rename RTE_MBUF_SCATTER_GATHER into RTE_MBUF_REFCNT Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 03/11] mbuf: remove rte_ctrlmbuf Olivier Matz
[not found] ` <1399647038-15095-4-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-25 21:39 ` Gilmore, Walter E
[not found] ` <DC16335EE7FE114791FFF955B21EDB44940EF02A-P5GAC/sN6hlqS6EAlXoojrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-26 12:23 ` Olivier MATZ
2014-05-26 16:40 ` Dumitrescu, Cristian
2014-05-26 22:43 ` Neil Horman
2014-05-27 0:17 ` Stephen Hemminger
[not found] ` <20140526171701.7bd0fadd-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-05-28 9:45 ` Ananyev, Konstantin
2014-05-09 14:50 ` [PATCH RFC 04/11] mbuf: remove the rte_pktmbuf structure Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 05/11] mbuf: merge physaddr and buf_len in a bitfield Olivier Matz
[not found] ` <1399647038-15095-6-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-09 15:39 ` Shaw, Jeffrey B
[not found] ` <4032A54B6BB5F04B8C08B6CFF08C59285542081E-AtyAts71sc9Qxe9IK+vIArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-09 16:06 ` Olivier MATZ
[not found] ` <536CFCEF.4080704-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-09 16:11 ` Shaw, Jeffrey B
[not found] ` <4032A54B6BB5F04B8C08B6CFF08C59285542085B-AtyAts71sc9Qxe9IK+vIArfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-14 14:07 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB9772580EFA666D-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-15 9:53 ` Olivier MATZ
2014-05-19 7:27 ` Olivier MATZ
[not found] ` <5379B25B.6050003-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-19 8:25 ` Richardson, Bruce
[not found] ` <59AF69C657FD0841A61C55336867B5B01AA1B1B2-kPTMFJFq+rELt2AQoY/u9bfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-19 9:30 ` Olivier MATZ
[not found] ` <5379CF3A.90609-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-19 9:57 ` Richardson, Bruce
2014-05-09 14:50 ` [PATCH RFC 06/11] mbuf: replace data pointer by an offset Olivier Matz
[not found] ` <1399647038-15095-7-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-12 14:12 ` Thomas Monjalon
2014-05-12 14:36 ` Venkatesan, Venky
[not found] ` <1FD9B82B8BF2CF418D9A1000154491D9740A92B8-P5GAC/sN6hlcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-12 14:41 ` Neil Horman
[not found] ` <20140512144108.GB21298-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2014-05-12 15:07 ` Olivier MATZ
[not found] ` <5370E397.7000706-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-12 15:59 ` Stephen Hemminger
[not found] ` <20140512085924.20a29cad-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-05-12 16:13 ` Olivier MATZ [this message]
[not found] ` <5370F326.8070206-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-12 17:13 ` Stephen Hemminger
[not found] ` <20140512101316.0c0d2824-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-05-13 13:29 ` Olivier MATZ
2014-05-12 16:06 ` Venkatesan, Venky
[not found] ` <1FD9B82B8BF2CF418D9A1000154491D9740A9631-P5GAC/sN6hlcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-12 18:39 ` Neil Horman
[not found] ` <20140512183943.GC21298-B26myB8xz7F8NnZeBjwnZQMhkBWG/bsMQH7oEaQurus@public.gmane.org>
2014-05-13 13:54 ` Venkatesan, Venky
[not found] ` <1FD9B82B8BF2CF418D9A1000154491D9740AA95E-P5GAC/sN6hlcIJlls4ac1rfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-13 14:09 ` Thomas Monjalon
2014-05-09 14:50 ` [PATCH RFC 07/11] mbuf: add functions to get the name of an ol_flag Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 08/11] mbuf: change ol_flags to 32 bits Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 09/11] mbuf: rename vlan_macip_len in hw_offload and increase its size Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 10/11] testpmd: modify source address to validate checksum calculation Olivier Matz
2014-05-09 14:50 ` [PATCH RFC 11/11] ixgbe/mbuf: add TSO support Olivier Matz
[not found] ` <1399647038-15095-12-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-12 14:30 ` Thomas Monjalon
2014-05-15 15:09 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB9772580EFA6ADD-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-15 15:39 ` Olivier MATZ
[not found] ` <5374DFC4.50808-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-15 16:30 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB9772580EFA6B2A-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-16 12:11 ` Olivier MATZ
[not found] ` <53760079.7090106-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-16 17:01 ` Ananyev, Konstantin
[not found] ` <2601191342CEEE43887BDE71AB9772580EFA6ED5-kPTMFJFq+rEu0RiL9chJVbfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2014-05-19 12:32 ` Thomas Monjalon
2014-05-09 17:04 ` [PATCH RFC 00/11] " Stephen Hemminger
[not found] ` <20140509100431.7af69959-We1ePj4FEcvRI77zikRAJc56i+j3xesD0e7PPNI6Mm0@public.gmane.org>
2014-05-09 21:49 ` Olivier MATZ
[not found] ` <536D4D79.4080609-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
2014-05-10 0:39 ` Stephen Hemminger
2014-05-19 12:47 ` Thomas Monjalon
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