From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>,
Shahaf Shuler <shahafs@mellanox.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>,
"Nicolau, Radu" <radu.nicolau@intel.com>,
"arybchenko@solarflare.com" <arybchenko@solarflare.com>
Subject: Re: [dpdk-dev] [PATCH v2 05/39] examples/l3fwd: move to ethdev offloads API
Date: Wed, 13 Dec 2017 12:10:26 +0000 [thread overview]
Message-ID: <2601191342CEEE43887BDE71AB9772585FAC9140@irsmsx105.ger.corp.intel.com> (raw)
In-Reply-To: <20171213075518.GA18228@jerin>
Hi Jerin,
> -----Original Message-----
> From: Jerin Jacob [mailto:jerin.jacob@caviumnetworks.com]
> Sent: Wednesday, December 13, 2017 7:55 AM
> To: Shahaf Shuler <shahafs@mellanox.com>
> Cc: Ananyev, Konstantin <konstantin.ananyev@intel.com>; dev@dpdk.org; Nicolau, Radu <radu.nicolau@intel.com>;
> arybchenko@solarflare.com
> Subject: Re: [dpdk-dev] [PATCH v2 05/39] examples/l3fwd: move to ethdev offloads API
>
> -----Original Message-----
> > Date: Wed, 13 Dec 2017 07:21:01 +0000
> > From: Shahaf Shuler <shahafs@mellanox.com>
> > To: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>, "dev@dpdk.org"
> > <dev@dpdk.org>, "Nicolau, Radu" <radu.nicolau@intel.com>,
> > "arybchenko@solarflare.com" <arybchenko@solarflare.com>
> > Subject: Re: [dpdk-dev] [PATCH v2 05/39] examples/l3fwd: move to ethdev
> > offloads API
> >
> > Tuesday, December 12, 2017 7:12 PM, Ananyev, Konstantin:
> > > > -----Original Message-----
> > > > From: Shahaf Shuler [mailto:shahafs@mellanox.com]
> > > > Sent: Tuesday, December 12, 2017 12:26 PM
> > > > To: dev@dpdk.org; Ananyev, Konstantin
> > > <konstantin.ananyev@intel.com>;
> > > > Nicolau, Radu <radu.nicolau@intel.com>; arybchenko@solarflare.com
> > > > Subject: [PATCH v2 05/39] examples/l3fwd: move to ethdev offloads API
> > > >
> > > > Ethdev offloads API has changed since:
> > > >
> > > > commit ce17eddefc20 ("ethdev: introduce Rx queue offloads API") commit
> > > > cba7f53b717d ("ethdev: introduce Tx queue offloads API")
> > > >
> > > > This commit support the new API.
> > > >
> > > > Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
> > > > ---
> > > > examples/l3fwd/main.c | 40 ++++++++++++++++++++++++++++++--------
> > > --
> > > > 1 file changed, 30 insertions(+), 10 deletions(-)
> > > >
> > > > diff --git a/examples/l3fwd/main.c b/examples/l3fwd/main.c index
> > > > 6229568..3bdf4d5 100644
> > > > --- a/examples/l3fwd/main.c
> > > > +++ b/examples/l3fwd/main.c
> > > > @@ -149,11 +149,9 @@ struct lcore_params {
> > > > .mq_mode = ETH_MQ_RX_RSS,
> > > > .max_rx_pkt_len = ETHER_MAX_LEN,
> > > > .split_hdr_size = 0,
> > > > - .header_split = 0, /**< Header Split disabled */
> > > > - .hw_ip_checksum = 1, /**< IP checksum offload enabled */
> > > > - .hw_vlan_filter = 0, /**< VLAN filtering disabled */
> > > > - .jumbo_frame = 0, /**< Jumbo Frame Support disabled */
> > > > - .hw_strip_crc = 1, /**< CRC stripped by hardware */
> > > > + .ignore_offload_bitfield = 1,
> > > > + .offloads = (DEV_RX_OFFLOAD_CRC_STRIP |
> > > > + DEV_RX_OFFLOAD_CHECKSUM),
> > > > },
> > > > .rx_adv_conf = {
> > > > .rss_conf = {
> > > > @@ -163,6 +161,7 @@ struct lcore_params {
> > > > },
> > > > .txmode = {
> > > > .mq_mode = ETH_MQ_TX_NONE,
> > > > + .offloads = DEV_TX_OFFLOAD_MBUF_FAST_FREE,
> > >
> > > Hmm, does it mean a new warning for all PMDs (majority) which don't
> > > support DEV_TX_OFFLOAD_MBUF_FAST_FREE?
> >
> > Good point.
> > Unlike other offloads which are must for the application proper run, this one it only for optimizing the performance and should be set only
> if PMD supports.
> > Am continuing to aggregate reasons why the DEV_TX_OFFLOAD_MBUF_FAST_FREE should not be defined as an offload. Anyway we
> passed that...
> >
> > I will fix on v3.
>
> Removing is not an option as the PMDs rely on that flag to will have the
> impact.
> # I see DEV_TX_OFFLOAD_MBUF_FAST_FREE as hint driver to depict the application requirements
> # All the drivers by default can support DEV_TX_OFFLOAD_MBUF_FAST_FREE(They are using the hint or
> not is a different question)
>
> So, How about setting DEV_TX_OFFLOAD_MBUF_FAST_FREE in all PMD driver as
> dummy one? I think, currently, it can be moved to old API to new API
> transition function till the drivers change to new offload flag scheme.
I don't think anyone plans to remove it right now.
If you believe your PMD does need it, that's ok by me.
Though I still think it is a very limited usage for it, and I don't think
we have to make that flag supported by all PMDs.
Konstantin
>
> We are planning to change nicvf driver to new offload scheme for this
> release so with this change, we have the performance impact on l3fwd
> application.
>
> I think, the other option could be to change usage/meaning of
> DEV_TX_OFFLOAD_MBUF_FAST_FREE flag where when the application needs
> multi-pool and reference count scheme then "it sets" the offload flags.
> If so, we don't need to set by default on the these applications.
next prev parent reply other threads:[~2017-12-13 12:10 UTC|newest]
Thread overview: 134+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-23 12:14 [dpdk-dev] [PATCH 00/39] convert examples to new " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 01/39] examples/l2fwd: convert " Shahaf Shuler
2017-11-24 15:00 ` Andrew Rybchenko
2017-11-26 7:41 ` Shahaf Shuler
2017-11-27 6:34 ` Andrew Rybchenko
2017-11-27 7:03 ` Shahaf Shuler
2017-11-27 7:33 ` Jerin Jacob
2017-11-27 19:41 ` Shahaf Shuler
2017-11-27 7:40 ` Andrew Rybchenko
2017-11-23 12:14 ` [dpdk-dev] [PATCH 02/39] examples/l2fwd-crypto: " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 03/39] examples/l2fwd-jobstats: " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 04/39] examples/l2fwd-keepalive: " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 05/39] examples/l3fwd: move to " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 06/39] examples/l3fwd-acl: convert to new " Shahaf Shuler
2017-12-11 14:48 ` Ananyev, Konstantin
2017-11-23 12:14 ` [dpdk-dev] [PATCH 07/39] examples/l3fwd-power: " Shahaf Shuler
2017-12-11 14:00 ` Hunt, David
2017-11-23 12:14 ` [dpdk-dev] [PATCH 08/39] examples/l3fwd-vf: " Shahaf Shuler
2017-11-23 12:14 ` [dpdk-dev] [PATCH 09/39] examples/bond: " Shahaf Shuler
2017-12-11 11:08 ` Radu Nicolau
2017-12-04 12:12 ` [dpdk-dev] [PATCH 00/39] convert examples " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 01/39] examples/l2fwd: convert " Shahaf Shuler
2017-12-19 12:16 ` De Lara Guarch, Pablo
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 02/39] examples/l2fwd-crypto: " Shahaf Shuler
2017-12-19 12:18 ` De Lara Guarch, Pablo
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 03/39] examples/l2fwd-jobstats: " Shahaf Shuler
2017-12-19 12:33 ` De Lara Guarch, Pablo
2017-12-21 13:47 ` Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 04/39] examples/l2fwd-keepalive: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 05/39] examples/l3fwd: move to " Shahaf Shuler
2017-12-12 17:12 ` Ananyev, Konstantin
2017-12-13 7:21 ` Shahaf Shuler
2017-12-13 7:55 ` Jerin Jacob
2017-12-13 12:10 ` Ananyev, Konstantin [this message]
2017-12-13 17:32 ` Jerin Jacob
2017-12-21 14:26 ` Shahaf Shuler
2017-12-18 16:00 ` Maciej Czekaj
2017-12-21 14:08 ` Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 06/39] examples/l3fwd-acl: convert to new " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 07/39] examples/l3fwd-power: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 08/39] examples/l3fwd-vf: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 09/39] examples/bond: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 10/39] examples/exception_path: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 11/39] examples/kni: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 12/39] examples/ip_fragmentation: convert to new " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 13/39] examples/ip_pipeline: convert to new ethdev " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 14/39] examples/ip_reassembly: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 15/39] examples/ipsec-secgw: " Shahaf Shuler
2017-12-19 12:38 ` De Lara Guarch, Pablo
2017-12-21 13:45 ` Shahaf Shuler
2018-01-08 16:27 ` De Lara Guarch, Pablo
2018-01-09 7:07 ` Akhil Goyal
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 16/39] examples/ipv4_multicast: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 17/39] examples/link_status_interrupt: convert to new " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 18/39] examples/load_balancer: convert to new ethdev " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 19/39] examples/multi_process: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 20/39] examples/netmap_compat: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 21/39] examples/performance-thread: convert to new " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 22/39] examples/qos_meter: convert to new ethdev " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 23/39] examples/qos_sched: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 24/39] examples/quota_watermark: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 25/39] examples/tep_termination: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 26/39] examples/vhost: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 27/39] examples/vmdq: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 28/39] examples/vmdq_dcb: " Shahaf Shuler
2017-12-12 12:26 ` [dpdk-dev] [PATCH v2 29/39] examples/vm_power_manager: convert to new " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 30/39] examples/distributor: convert to new ethdev " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 31/39] examples/ethtool: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 32/39] examples/eventdev_pipeline: convert to new " Shahaf Shuler
2017-12-15 15:20 ` Van Haaren, Harry
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 33/39] examples/flow_classify: convert to new ethdev " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 34/39] examples/flow_filtering: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 35/39] examples/packet_ordering: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 36/39] examples/ptpclient: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 37/39] examples/rxtx_callbacks: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 38/39] examples/server_node_efd: " Shahaf Shuler
2017-12-12 12:35 ` [dpdk-dev] [PATCH v2 39/39] examples/skeleton: " Shahaf Shuler
2017-12-26 9:22 ` [dpdk-dev] [PATCH v3 00/39] convert examples " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 01/39] examples/l2fwd: convert " Shahaf Shuler
2018-01-10 12:12 ` De Lara Guarch, Pablo
2018-01-12 13:30 ` Ferruh Yigit
2018-01-14 10:37 ` Shahaf Shuler
2018-01-15 10:20 ` Ferruh Yigit
2018-01-15 11:02 ` Shahaf Shuler
2018-01-15 11:34 ` Ferruh Yigit
2018-01-15 11:41 ` Shahaf Shuler
2018-01-15 11:56 ` Ferruh Yigit
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 02/39] examples/l2fwd-crypto: " Shahaf Shuler
2018-01-10 12:12 ` De Lara Guarch, Pablo
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 03/39] examples/l2fwd-jobstats: " Shahaf Shuler
2018-01-10 12:13 ` De Lara Guarch, Pablo
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 04/39] examples/l2fwd-keepalive: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 05/39] examples/l3fwd: convert to " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 06/39] examples/l3fwd-acl: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 07/39] examples/l3fwd-power: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 08/39] examples/l3fwd-vf: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 09/39] examples/bond: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 10/39] examples/exception_path: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 11/39] examples/kni: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 12/39] examples/ip_fragmentation: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 13/39] examples/ip_pipeline: convert to new ethdev " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 14/39] examples/ip_reassembly: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 15/39] examples/ipsec-secgw: " Shahaf Shuler
2018-01-16 11:10 ` Nicolau, Radu
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 16/39] examples/ipv4_multicast: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 17/39] examples/link_status_interrupt: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 18/39] examples/load_balancer: convert to new ethdev " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 19/39] examples/multi_process: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 20/39] examples/netmap_compat: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 21/39] examples/performance-thread: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 22/39] examples/qos_meter: convert to new ethdev " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 23/39] examples/qos_sched: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 24/39] examples/quota_watermark: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 25/39] examples/tep_termination: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 26/39] examples/vhost: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 27/39] examples/vmdq: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 28/39] examples/vmdq_dcb: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 29/39] examples/vm_power_manager: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 30/39] examples/distributor: convert to new ethdev " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 31/39] examples/ethtool: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 32/39] examples/eventdev_pipeline: convert to new " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 33/39] examples/flow_classify: convert to new ethdev " Shahaf Shuler
2018-01-03 15:09 ` Iremonger, Bernard
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 34/39] examples/flow_filtering: " Shahaf Shuler
2017-12-26 13:57 ` Ori Kam
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 35/39] examples/packet_ordering: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 36/39] examples/ptpclient: " Shahaf Shuler
2018-01-10 12:14 ` De Lara Guarch, Pablo
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 37/39] examples/rxtx_callbacks: " Shahaf Shuler
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 38/39] examples/server_node_efd: " Shahaf Shuler
2018-01-10 12:15 ` De Lara Guarch, Pablo
2017-12-26 9:23 ` [dpdk-dev] [PATCH v3 39/39] examples/skeleton: " Shahaf Shuler
2018-01-16 16:25 ` [dpdk-dev] [PATCH v3 00/39] convert examples " Ferruh Yigit
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