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From: Jerin Jacob <jerin.jacob@caviumnetworks.com>
To: Shahaf Shuler <shahafs@mellanox.com>
Cc: "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
Date: Wed, 13 Dec 2017 13:25:19 +0530	[thread overview]
Message-ID: <20171213075518.GA18228@jerin> (raw)
In-Reply-To: <VI1PR05MB3149923F0F925B4356217E34C3350@VI1PR05MB3149.eurprd05.prod.outlook.com>

-----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.

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.

  reply	other threads:[~2017-12-13  7:55 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 [this message]
2017-12-13 12:10           ` Ananyev, Konstantin
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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