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From: Thomas Monjalon <thomas.monjalon@6wind.com>
To: Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH v3 00/20] enhance tx checksum offload API
Date: Mon, 16 Feb 2015 19:23:04 +0100	[thread overview]
Message-ID: <5865074.TUWIT6VipK@xps13> (raw)
In-Reply-To: <1ED644BD7E0A5F4091CF203DAFB8E4CC01DDC8F1@SHSMSX101.ccr.corp.intel.com>

> > The goal of this series is to clarify and simplify the mbuf offload API.
> > 
> > - simplify the definitions of PKT_TX_IP_CKSUM and PKT_TX_IPV4, each
> >   flag has now only one meaning. No impact on the code.
> > 
> > - add a feature flag for OUTER_IP_CHECKSUM (from Jijiang's patches)
> > 
> > - remove the PKT_TX_UDP_TUNNEL_PKT flag: it is useless from an API point
> >   of view. It was added because i40e need this info for some reason. We
> >   have 3 solutions:
> > 
> >   - remove the flag and adapt the driver to the API (the choice I made
> >     for this series).
> > 
> >   - remove the flag and stop advertising OUTER_IP_CHECKSUM in i40e
> > 
> >   - keep this flag, penalizing performance of drivers that do not
> >     require the flag. It would also mean that drivers won't support
> >     outer IP checksum for all tunnel types, but only for the tunnel
> >     types having a flag.
> > 
> > - a side effect of this API clarification is that there is only one
> >   way for doing one operation. If the hardware has several ways to
> >   do the same operation, a choice has to be made in the driver.
> > 
> > The series also provide some enhancements and fixes related to this API rework:
> > 
> > - new tunnel types to testpmd csum forward engine.
> > - fixes in i40e to adapt to new api and support more tunnel types.
> > 
> > [1] http://dpdk.org/ml/archives/dev/2015-January/011127.html
> > 
> > Changes in v2:
> > - fix test of rx offload flag in parse_vlan() pointed out by Jijiang
> > 
> > Changes in v3:
> > - more detailed API comments for PKT_TX_IPV4 and PKT_TX_IPV6
> > - do not calculate the outer UDP checksum if packet is not UDP
> > - add a likely() in i40e
> > - remove a unlikely() in i40e
> > - fix a patch split issue
> > - rebase on head
> > 
> > Jijiang Liu (2):
> >   ethdev: add outer IP offload capability flag
> >   i40e: advertise outer IPv4 checksum capability
> > 
> > Olivier Matz (18):
> >   mbuf: remove PKT_TX_IPV4_CSUM
> >   mbuf: enhance the API documentation of offload flags
> >   i40e: call i40e_txd_enable_checksum only for offloaded packets
> >   i40e: remove the use of PKT_TX_UDP_TUNNEL_PKT flag
> >   mbuf: remove PKT_TX_UDP_TUNNEL_PKT flag
> >   testpmd: replace tx_checksum command by csum
> >   testpmd: move csum_show in a function
> >   testpmd: add csum parse_tunnel command
> >   testpmd: rename vxlan in outer_ip in csum commands
> >   testpmd: introduce parse_ipv* in csum fwd engine
> >   testpmd: use a structure to store offload info in csum fwd engine
> >   testpmd: introduce parse_vxlan in csum fwd engine
> >   testpmd: support gre tunnels in csum fwd engine
> >   testpmd: support ipip tunnel in csum forward engine
> >   testpmd: add a warning if outer ip cksum requested but not supported
> >   testpmd: fix TSO when using outer checksum offloads
> >   i40e: fix offloading of outer checksum for ip in ip tunnels
> >   i40e: add debug logs for tx context descriptors
> 
> Acked-by:  Jijiang Liu < Jijiang.liu@intel.com>

Applied, thanks for making API clearer

      reply	other threads:[~2015-02-16 18:23 UTC|newest]

Thread overview: 109+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-01-21 23:36 [dpdk-dev] [RFC 00/16] enhance " Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 01/16] mbuf: remove PKT_TX_IPV4_CSUM Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 02/16] mbuf: enhance the API documentation of offload flags Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 03/16] i40e: call i40e_txd_enable_checksum only for offloaded packets Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 04/16] i40e: remove the use of PKT_TX_UDP_TUNNEL_PKT flag Olivier Matz
2015-01-23  8:06   ` Liu, Jijiang
2015-01-23  8:47     ` Zhang, Helin
2015-01-23  9:06       ` Olivier MATZ
2015-01-21 23:36 ` [dpdk-dev] [RFC 05/16] mbuf: remove " Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 06/16] ethdev: add outer IP offload capability flag Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 07/16] i40e: advertise outer IPv4 checksum capability Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 08/16] testpmd: replace tx_checksum command by csum Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 09/16] testpmd: move csum_show in a function Olivier Matz
2015-01-23 11:03   ` Liu, Jijiang
2015-01-23 17:53     ` Olivier MATZ
2015-01-21 23:36 ` [dpdk-dev] [RFC 10/16] testpmd: add csum parse_tunnel command Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 11/16] testpmd: rename vxlan in outer_ip in csum commands Olivier Matz
2015-01-23 11:21   ` Liu, Jijiang
2015-01-23 17:49     ` Olivier MATZ
2015-01-21 23:36 ` [dpdk-dev] [RFC 12/16] testpmd: introduce parse_ipv* in csum fwd engine Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 13/16] testpmd: use a structure to store offload info " Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 14/16] testpmd: introduce parse_vxlan " Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 15/16] testpmd: support gre tunnels " Olivier Matz
2015-01-21 23:36 ` [dpdk-dev] [RFC 16/16] testpmd: support ipip tunnel in csum forward engine Olivier Matz
2015-01-21 23:41 ` [dpdk-dev] [RFC 00/16] enhance checksum offload API Olivier MATZ
2015-01-22 10:00   ` Thomas Monjalon
2015-01-22  1:01 ` Stephen Hemminger
2015-01-23  9:52   ` Olivier MATZ
2015-01-23  7:54 ` Liu, Jijiang
2015-01-30 13:15 ` [dpdk-dev] [PATCH 00/20] enhance tx " Olivier Matz
2015-01-30 13:15   ` [dpdk-dev] [PATCH 01/20] mbuf: remove PKT_TX_IPV4_CSUM Olivier Matz
2015-01-30 13:15   ` [dpdk-dev] [PATCH 02/20] mbuf: enhance the API documentation of offload flags Olivier Matz
2015-01-30 13:15   ` [dpdk-dev] [PATCH 03/20] i40e: call i40e_txd_enable_checksum only for offloaded packets Olivier Matz
2015-01-30 13:15   ` [dpdk-dev] [PATCH 04/20] i40e: remove the use of PKT_TX_UDP_TUNNEL_PKT flag Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 05/20] mbuf: remove " Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 06/20] testpmd: replace tx_checksum command by csum Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 07/20] testpmd: move csum_show in a function Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 08/20] testpmd: add csum parse_tunnel command Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 09/20] testpmd: rename vxlan in outer_ip in csum commands Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 10/20] testpmd: introduce parse_ipv* in csum fwd engine Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 11/20] testpmd: use a structure to store offload info " Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 12/20] testpmd: introduce parse_vxlan " Olivier Matz
2015-02-02  1:49     ` Liu, Jijiang
2015-01-30 13:16   ` [dpdk-dev] [PATCH 13/20] testpmd: support gre tunnels " Olivier Matz
2015-02-02  3:04     ` Liu, Jijiang
2015-01-30 13:16   ` [dpdk-dev] [PATCH 14/20] testpmd: support ipip tunnel in csum forward engine Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 15/20] ethdev: add outer IP offload capability flag Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 16/20] i40e: advertise outer IPv4 checksum capability Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 17/20] testpmd: add a warning if outer ip cksum requested but not supported Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 18/20] testpmd: fix TSO when using outer checksum offloads Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 19/20] i40e: fix offloading of outer checksum for ip in ip tunnels Olivier Matz
2015-01-30 13:16   ` [dpdk-dev] [PATCH 20/20] i40e: add debug logs for tx context descriptors Olivier Matz
2015-02-04  9:25   ` [dpdk-dev] [PATCH v2 00/20] enhance tx checksum offload API Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 01/20] mbuf: remove PKT_TX_IPV4_CSUM Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 02/20] mbuf: enhance the API documentation of offload flags Olivier Matz
2015-02-10  5:38       ` Zhang, Helin
2015-02-10 16:54         ` Olivier MATZ
2015-02-11  7:15         ` Liu, Jijiang
2015-02-11 15:15           ` Olivier MATZ
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 03/20] i40e: call i40e_txd_enable_checksum only for offloaded packets Olivier Matz
2015-02-10  6:03       ` Zhang, Helin
2015-02-10 17:06         ` Olivier MATZ
2015-02-11  5:32           ` Zhang, Helin
2015-02-11 17:13             ` Olivier MATZ
2015-02-13  2:25               ` Zhang, Helin
2015-02-13  8:41                 ` Olivier MATZ
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 04/20] i40e: remove the use of PKT_TX_UDP_TUNNEL_PKT flag Olivier Matz
2015-02-10  6:40       ` Zhang, Helin
2015-02-10 17:08         ` Olivier MATZ
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 05/20] mbuf: remove " Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 06/20] testpmd: replace tx_checksum command by csum Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 07/20] testpmd: move csum_show in a function Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 08/20] testpmd: add csum parse_tunnel command Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 09/20] testpmd: rename vxlan in outer_ip in csum commands Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 10/20] testpmd: introduce parse_ipv* in csum fwd engine Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 11/20] testpmd: use a structure to store offload info " Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 12/20] testpmd: introduce parse_vxlan " Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 13/20] testpmd: support gre tunnels " Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 14/20] testpmd: support ipip tunnel in csum forward engine Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 15/20] ethdev: add outer IP offload capability flag Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 16/20] i40e: advertise outer IPv4 checksum capability Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 17/20] testpmd: add a warning if outer ip cksum requested but not supported Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 18/20] testpmd: fix TSO when using outer checksum offloads Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 19/20] i40e: fix offloading of outer checksum for ip in ip tunnels Olivier Matz
2015-02-04  9:25     ` [dpdk-dev] [PATCH v2 20/20] i40e: add debug logs for tx context descriptors Olivier Matz
2015-02-09  1:10     ` [dpdk-dev] [PATCH v2 00/20] enhance tx checksum offload API Liu, Jijiang
2015-02-13  9:22     ` [dpdk-dev] [PATCH v3 " Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 01/20] mbuf: remove PKT_TX_IPV4_CSUM Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 02/20] mbuf: enhance the API documentation of offload flags Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 03/20] i40e: call i40e_txd_enable_checksum only for offloaded packets Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 04/20] i40e: remove the use of PKT_TX_UDP_TUNNEL_PKT flag Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 05/20] mbuf: remove " Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 06/20] testpmd: replace tx_checksum command by csum Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 07/20] testpmd: move csum_show in a function Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 08/20] testpmd: add csum parse_tunnel command Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 09/20] testpmd: rename vxlan in outer_ip in csum commands Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 10/20] testpmd: introduce parse_ipv* in csum fwd engine Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 11/20] testpmd: use a structure to store offload info " Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 12/20] testpmd: introduce parse_vxlan " Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 13/20] testpmd: support gre tunnels " Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 14/20] testpmd: support ipip tunnel in csum forward engine Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 15/20] ethdev: add outer IP offload capability flag Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 16/20] i40e: advertise outer IPv4 checksum capability Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 17/20] testpmd: add a warning if outer ip cksum requested but not supported Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 18/20] testpmd: fix TSO when using outer checksum offloads Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 19/20] i40e: fix offloading of outer checksum for ip in ip tunnels Olivier Matz
2015-02-13  9:22       ` [dpdk-dev] [PATCH v3 20/20] i40e: add debug logs for tx context descriptors Olivier Matz
2015-02-15  6:22       ` [dpdk-dev] [PATCH v3 00/20] enhance tx checksum offload API Liu, Jijiang
2015-02-16 18:23         ` Thomas Monjalon [this message]

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