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From: Thomas Monjalon <thomas@monjalon.net>
To: Ferruh Yigit <ferruh.yigit@intel.com>
Cc: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>,
	Ray Kinsella <mdr@ashroe.eu>, Neil Horman <nhorman@tuxdriver.com>,
	Konstantin Ananyev <konstantin.ananyev@intel.com>,
	dev@dpdk.org, Konstantin Ananyev <konstantin.ananyev@intel.com>,
	Andrew Rybchenko <arybchenko@solarflare.com>,
	Matan Azrad <matan@nvidia.com>,
	Olivier Matz <olivier.matz@6wind.com>,
	Jerin Jacob <jerinj@marvell.com>
Subject: Re: [dpdk-dev] [RFC v2] doc: announce max Rx packet len field deprecation
Date: Fri, 27 Nov 2020 19:38:58 +0100
Message-ID: <8621312.xpfG4eBvKg@thomas> (raw)
In-Reply-To: <0d4de425-6a39-0743-2367-230c34c6cca2@intel.com>

26/11/2020 13:34, Ferruh Yigit:
> On 11/26/2020 11:28 AM, Andrew Rybchenko wrote:
> > On 11/24/20 8:36 PM, Ferruh Yigit wrote:
> >> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
> >> Acked-by: Konstantin Ananyev <konstantin.ananyev@intel.com>
> > 
> > A couple of questions below, but anyway:
> > 
> > Acked-by: Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
> > 
> >> Another open question is from Andrew, if we can remove the ``uint32_t
> >> max_rx_pkt_len`` completely from the ``rte_eth_dev_configure()``.
> >> This may force applications to have one more additional
> >> ``rte_eth_dev_set_mtu()`` call for device initialization, but if
> >> applications are OK with the default values most of times, agree that
> >> removing is easier solution, please comment.
> > 
> > Still valid 
> 
> Yep, waiting for more comments for it.

In general, I am in favor of
	- avoiding redundancy in API
	- have more specific functions in API
So yes, no need to keep a field for rte_eth_dev_configure()
if the same can be done with rte_eth_dev_set_mtu().

> > plus I'd remove JUMBO_FRAME offload since
> > it is redundant. We have max_mtu and max_rx_pktlen in dev_info.
> 
> Right, I missed that 'max_mtu' & 'max_rx_pktlen' can be used to detect jumbo 
> frame capability. +1 to remove JUMBO_FRAME offload.

If we can manage without this (strange) offload flag,
I am for dropping it.

> I don't know if should it be part of this deprecation notice, or a separate one.

Let's keep this first notice in 20.11 to show the direction.

> It is related, but logically not exactly part of this deprecation notice.

We can update or add more notices during next year.

Acked-by: Thomas Monjalon <thomas@monjalon.net>

Applied, thanks



  reply	other threads:[~2020-11-27 18:39 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-20 12:03 [dpdk-dev] [RFC] " Ferruh Yigit
2020-10-21 10:18 ` Ananyev, Konstantin
2020-10-21 15:10   ` Andrew Rybchenko
2020-10-21 16:28     ` Ferruh Yigit
2020-10-21 12:40 ` Kinsella, Ray
2020-11-24 17:36 ` [dpdk-dev] [RFC v2] " Ferruh Yigit
2020-11-24 17:47   ` Ajit Khaparde
2020-11-26 11:28   ` Andrew Rybchenko
2020-11-26 12:34     ` Ferruh Yigit
2020-11-27 18:38       ` Thomas Monjalon [this message]
2020-11-26 18:30   ` Matan Azrad
2020-11-27  9:37     ` [dpdk-dev] [RFC v2] doc: announce max Rx packet len fielddeprecation Morten Brørup

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