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From: Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
To: Olivier Matz <olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>
Cc: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: [PATCH RFC 11/11] ixgbe/mbuf: add TSO support
Date: Mon, 12 May 2014 16:30:02 +0200	[thread overview]
Message-ID: <2457400.rFcz2m2zim@xps13> (raw)
In-Reply-To: <1399647038-15095-12-git-send-email-olivier.matz-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>

2014-05-09 16:50, Olivier Matz:
> Implement TSO (TCP segmentation offload) in ixgbe driver. To delegate
> the TCP segmentation to the hardware, the user has to:
> 
> - set the PKT_TX_TCP_SEG flag in mbuf->ol_flags (this flag implies
>   PKT_TX_IP_CKSUM and PKT_TX_TCP_CKSUM)
> - fill the mbuf->hw_offload information: l2_len, l3_len, l4_len, mss
> - calculate the pseudo header checksum and set it in the TCP header,
>   as required when doing hardware TCP checksum offload
> - set the IP checksum to 0
> 
> This approach seems generic enough to be used for other hw/drivers
> in the future.

Minor note: it would be nice to separate ixgbe support in another patch.

Thanks
-- 
Thomas

  parent reply	other threads:[~2014-05-12 14:30 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
     [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 [this message]
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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