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From: "Ananyev, Konstantin" <konstantin.ananyev@intel.com>
To: "Yigit, Ferruh" <ferruh.yigit@intel.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "Li, Xiaoyun" <xiaoyun.li@intel.com>,
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Subject: Re: [dpdk-dev] [PATCH v3 4/7] ethdev: make burst functions to use new flat array
Date: Fri, 1 Oct 2021 17:40:37 +0000	[thread overview]
Message-ID: <DM6PR11MB44918611DAEA00E4BD15C4F59AAB9@DM6PR11MB4491.namprd11.prod.outlook.com> (raw)
In-Reply-To: <64dd331c-8f35-38fe-998e-bac70ccc9d85@intel.com>



> On 10/1/2021 3:02 PM, Konstantin Ananyev wrote:
> > Rework 'fast' burst functions to use rte_eth_fp_ops[].
> > While it is an API/ABI breakage, this change is intended to be
> > transparent for both users (no changes in user app is required) and
> > PMD developers (no changes in PMD is required).
> > One extra thing to note - RX/TX callback invocation will cause extra
> > function call with these changes. That might cause some insignificant
> > slowdown for code-path where RX/TX callbacks are heavily involved.
> >
> > Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> 
> <...>
> 
> >  static inline int
> >  rte_eth_rx_queue_count(uint16_t port_id, uint16_t queue_id)
> >  {
> > -	struct rte_eth_dev *dev;
> > +	struct rte_eth_fp_ops *p;
> > +	void *qd;
> > +
> > +	if (port_id >= RTE_MAX_ETHPORTS ||
> > +			queue_id >= RTE_MAX_QUEUES_PER_PORT) {
> > +		RTE_ETHDEV_LOG(ERR,
> > +			"Invalid port_id=%u or queue_id=%u\n",
> > +			port_id, queue_id);
> > +		return -EINVAL;
> > +	}
> 
> Should the checkes wrapped with '#ifdef RTE_ETHDEV_DEBUG_RX' like others?

Original rte_eth_rx_queue_count() always have similar checks enabled,
that's why I also kept them 'always on'. 

> 
> <...>
> 
> > +++ b/lib/ethdev/version.map
> > @@ -247,11 +247,16 @@ EXPERIMENTAL {
> >  	rte_mtr_meter_policy_delete;
> >  	rte_mtr_meter_policy_update;
> >  	rte_mtr_meter_policy_validate;
> > +
> > +	# added in 21.05
> 
> s/21.05/21.11/
> 
> > +	__rte_eth_rx_epilog;
> > +	__rte_eth_tx_prolog;
> 
> These are directly called by application and must be part of ABI, but marked as
> 'internal' and has '__rte' prefix to highligh it, this may be confusing.
> What about making them proper, non-internal, API?

Hmm not sure what do you suggest here.
We don't want users to call them explicitly.
They are sort of helpers for rte_eth_rx_burst/rte_eth_tx_burst.
So I did what I thought is our usual policy for such semi-internal thigns:
have '@intenal' in comments, but in version.map put them under EXPERIMETAL/global
section.

What do you think it should be instead?
 
> >  };
> >
> >  INTERNAL {
> >  	global:
> >
> > +	rte_eth_fp_ops;
> 
> This variable is accessed in inline function, so accessed by application, not
> sure if it suits the 'internal' object definition, internal should be only for
> objects accessed by other parts of DPDK.
> I think this can be added to 'DPDK_22'.
> 
> >  	rte_eth_dev_allocate;
> >  	rte_eth_dev_allocated;
> >  	rte_eth_dev_attach_secondary;
> >


  reply	other threads:[~2021-10-01 17:45 UTC|newest]

Thread overview: 112+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-20 16:28 [dpdk-dev] [RFC 0/7] hide eth dev related structures Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 1/7] eth: move ethdev 'burst' API into separate structure Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 2/7] eth: make drivers to use new API for Rx Konstantin Ananyev
2021-09-06 18:41   ` Ferruh Yigit
2021-09-14 14:28     ` Ananyev, Konstantin
2021-08-20 16:28 ` [dpdk-dev] [RFC 3/7] eth: make drivers to use new API for Tx Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 4/7] eth: make drivers to use new API for Tx prepare Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 5/7] eth: make drivers to use new API to obtain descriptor status Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 6/7] eth: make drivers to use new API for Rx queue count Konstantin Ananyev
2021-08-20 16:28 ` [dpdk-dev] [RFC 7/7] eth: hide eth dev related structures Konstantin Ananyev
2021-08-26 12:37 ` [dpdk-dev] [RFC 0/7] " Jerin Jacob
2021-09-06 18:09   ` Ferruh Yigit
2021-09-14 13:33   ` Ananyev, Konstantin
2021-09-15  9:45     ` Jerin Jacob
2021-09-22 15:08       ` Ananyev, Konstantin
2021-09-27 16:14         ` Jerin Jacob
2021-09-28  9:37           ` Ananyev, Konstantin
2021-09-22 14:09 ` [dpdk-dev] [RFC v2 0/5] " Konstantin Ananyev
2021-09-22 14:09   ` [dpdk-dev] [RFC v2 1/5] ethdev: allocate max space for internal queue array Konstantin Ananyev
2021-09-22 14:09   ` [dpdk-dev] [RFC v2 2/5] ethdev: change input parameters for rx_queue_count Konstantin Ananyev
2021-09-23  5:51     ` Wang, Haiyue
2021-09-22 14:09   ` [dpdk-dev] [RFC v2 3/5] ethdev: copy ethdev 'burst' API into separate structure Konstantin Ananyev
2021-09-23  5:58     ` Wang, Haiyue
2021-09-27 18:01       ` Jerin Jacob
2021-09-28  9:42         ` Ananyev, Konstantin
2021-09-22 14:09   ` [dpdk-dev] [RFC v2 4/5] ethdev: make burst functions to use new flat array Konstantin Ananyev
2021-09-22 14:09   ` [dpdk-dev] [RFC v2 5/5] ethdev: hide eth dev related structures Konstantin Ananyev
2021-10-01 14:02   ` [dpdk-dev] [PATCH v3 0/7] " Konstantin Ananyev
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 1/7] ethdev: allocate max space for internal queue array Konstantin Ananyev
2021-10-01 16:48       ` Ferruh Yigit
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 2/7] ethdev: change input parameters for rx_queue_count Konstantin Ananyev
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 3/7] ethdev: copy ethdev 'fast' API into separate structure Konstantin Ananyev
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 4/7] ethdev: make burst functions to use new flat array Konstantin Ananyev
2021-10-01 16:46       ` Ferruh Yigit
2021-10-01 17:40         ` Ananyev, Konstantin [this message]
2021-10-04  8:46           ` Ferruh Yigit
2021-10-04  9:20             ` Ananyev, Konstantin
2021-10-04 10:13               ` Ferruh Yigit
2021-10-04 11:17                 ` Ananyev, Konstantin
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 5/7] ethdev: add API to retrieve multiple ethernet addresses Konstantin Ananyev
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 6/7] ethdev: remove legacy Rx descriptor done API Konstantin Ananyev
2021-10-01 14:02     ` [dpdk-dev] [PATCH v3 7/7] ethdev: hide eth dev related structures Konstantin Ananyev
2021-10-01 16:53       ` Ferruh Yigit
2021-10-01 17:04         ` Ferruh Yigit
2021-10-01 17:02     ` [dpdk-dev] [PATCH v3 0/7] " Ferruh Yigit
2021-10-04 13:55     ` [dpdk-dev] [PATCH v4 " Konstantin Ananyev
2021-10-04 13:55       ` [dpdk-dev] [PATCH v4 1/7] ethdev: allocate max space for internal queue array Konstantin Ananyev
2021-10-05 12:09         ` Thomas Monjalon
2021-10-05 16:45           ` Ananyev, Konstantin
2021-10-05 16:49             ` Thomas Monjalon
2021-10-05 12:21         ` Thomas Monjalon
2021-10-04 13:55       ` [dpdk-dev] [PATCH v4 2/7] ethdev: change input parameters for rx_queue_count Konstantin Ananyev
2021-10-04 13:55       ` [dpdk-dev] [PATCH v4 3/7] ethdev: copy ethdev 'fast' API into separate structure Konstantin Ananyev
2021-10-05 13:09         ` Thomas Monjalon
2021-10-05 16:41           ` Ananyev, Konstantin
2021-10-05 16:48             ` Thomas Monjalon
2021-10-05 17:04               ` Ananyev, Konstantin
2021-10-04 13:56       ` [dpdk-dev] [PATCH v4 4/7] ethdev: make burst functions to use new flat array Konstantin Ananyev
2021-10-05  9:54         ` David Marchand
2021-10-05 10:13           ` Ananyev, Konstantin
2021-10-04 13:56       ` [dpdk-dev] [PATCH v4 5/7] ethdev: add API to retrieve multiple ethernet addresses Konstantin Ananyev
2021-10-05 13:13         ` Thomas Monjalon
2021-10-05 16:35           ` Ananyev, Konstantin
2021-10-05 16:45             ` Thomas Monjalon
2021-10-05 17:12               ` Ananyev, Konstantin
2021-10-05 17:41                 ` Thomas Monjalon
2021-10-04 13:56       ` [dpdk-dev] [PATCH v4 6/7] ethdev: remove legacy Rx descriptor done API Konstantin Ananyev
2021-10-05 13:14         ` Thomas Monjalon
2021-10-05 16:21           ` Ananyev, Konstantin
2021-10-04 13:56       ` [dpdk-dev] [PATCH v4 7/7] ethdev: hide eth dev related structures Konstantin Ananyev
2021-10-05 10:04         ` David Marchand
2021-10-05 10:43           ` Ferruh Yigit
2021-10-05 11:37             ` David Marchand
2021-10-05 15:57               ` Ananyev, Konstantin
2021-10-05 13:24         ` Thomas Monjalon
2021-10-05 16:19           ` Ananyev, Konstantin
2021-10-05 16:25             ` Thomas Monjalon
2021-10-06 16:42       ` [dpdk-dev] [PATCH v4 0/7] " Ali Alnubani
2021-10-06 17:26         ` Ali Alnubani
2021-10-07 11:27       ` [dpdk-dev] [PATCH v5 " Konstantin Ananyev
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 1/7] ethdev: remove legacy Rx descriptor done API Konstantin Ananyev
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 2/7] ethdev: allocate max space for internal queue array Konstantin Ananyev
2021-10-11  9:20           ` Andrew Rybchenko
2021-10-11 16:25             ` Ananyev, Konstantin
2021-10-11 17:15               ` Andrew Rybchenko
2021-10-11 23:06                 ` Ananyev, Konstantin
2021-10-12  5:47                   ` Andrew Rybchenko
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 3/7] ethdev: change input parameters for rx_queue_count Konstantin Ananyev
2021-10-11  8:06           ` Andrew Rybchenko
2021-10-12 17:59           ` Hyong Youb Kim (hyonkim)
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 4/7] ethdev: copy fast-path API into separate structure Konstantin Ananyev
2021-10-09 12:05           ` fengchengwen
2021-10-11  1:18             ` fengchengwen
2021-10-11  8:39               ` Andrew Rybchenko
2021-10-11 15:24               ` Ananyev, Konstantin
2021-10-11  8:35             ` Andrew Rybchenko
2021-10-11 15:15             ` Ananyev, Konstantin
2021-10-11  8:25           ` Andrew Rybchenko
2021-10-11 16:52             ` Ananyev, Konstantin
2021-10-11 17:22               ` Andrew Rybchenko
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 5/7] ethdev: make fast-path functions to use new flat array Konstantin Ananyev
2021-10-11  9:02           ` Andrew Rybchenko
2021-10-11 15:47             ` Ananyev, Konstantin
2021-10-11 17:03               ` Andrew Rybchenko
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 6/7] ethdev: add API to retrieve multiple ethernet addresses Konstantin Ananyev
2021-10-11  9:09           ` Andrew Rybchenko
2021-10-07 11:27         ` [dpdk-dev] [PATCH v5 7/7] ethdev: hide eth dev related structures Konstantin Ananyev
2021-10-11  9:20           ` Andrew Rybchenko
2021-10-11 15:54             ` Ananyev, Konstantin
2021-10-11 17:04               ` Andrew Rybchenko
2021-10-08 18:13         ` [dpdk-dev] [PATCH v5 0/7] " Slava Ovsiienko
2021-10-11  9:22         ` Andrew Rybchenko

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