From: Thomas Monjalon <thomas@monjalon.net>
To: Finn Christensen <fc@napatech.com>
Cc: "dev@dpdk.org" <dev@dpdk.org>, Yuanhan Liu <yliu@fridaylinux.org>,
Adrien Mazarguil <adrien.mazarguil@6wind.com>,
Ciara Loftus <ciara.loftus@intel.com>,
Kevin Traynor <ktraynor@redhat.com>,
"stephen@networkplumber.org" <stephen@networkplumber.org>,
"ferruh.yigit@intel.com" <ferruh.yigit@intel.com>
Subject: Re: [dpdk-dev] standardize device identification
Date: Fri, 05 Jan 2018 16:34:03 +0100 [thread overview]
Message-ID: <40957417.C216t4nj8c@xps> (raw)
In-Reply-To: <dd55db8afed749f5a71f919e7f5d7633@napatech.com>
05/01/2018 15:14, Finn Christensen:
> From: Thomas Monjalon [mailto:thomas@monjalon.net]
> >05/01/2018 12:09, Finn Christensen:
> >> From: Thomas Monjalon
> >> Which property can help to distinguish Napatech ports?
> >> Can you use class=eth,dev_port=X ?
> >> The dev_port property will use /sys/class/net/DEV/dev_port on Linux. Is it
> >> OK for you?
> >>
> >> Actually, what we were thinking of was using the mac property in the
> >> class category to distinguish our ports.
> >> For instance:
> >> -w bus=pci,id=0000:01:00.0/class=eth,mac=00:11:22:33:44:55
> >> or simply:
> >> -w class=eth,mac=00:11:22:33:44:55
> >
> >The problem with the mac property is that it cannot be used for
> >white/blacklisting in DPDK because the MAC is not known before port
> >initialization.
> >
>
> Sure, that makes sense. I just for a minute thought that we could use that
> mechanism to enable individual ports at startup also. We will continue to
> use proprietary devargs passed by whiterlist to the PMD probe function.
> What we needed was a way to select the individual ports, by using
> rte_eth_dev_get_port_by_name().
The whitelist will be replaced by this new syntax.
And yes, you can have your own driver-specific property with this syntax.
> >> We will not be able to support the dev_port property, that will not work for
> >us.
> >> At least not for now.
It leads to a totally different question:
Can we discuss again how to integrate your driver in DPDK upstream?
Please explain again your situation in a new thread.
next prev parent reply other threads:[~2018-01-05 15:34 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-30 7:35 [dpdk-dev] [PATCH] [RFC] ether: standardize getting the port by name Yuanhan Liu
2017-11-30 17:15 ` Stephen Hemminger
2017-11-30 17:35 ` Thomas Monjalon
2017-11-30 21:21 ` Stephen Hemminger
2017-11-30 21:44 ` Thomas Monjalon
2017-12-01 9:47 ` Gaëtan Rivet
2017-12-04 13:55 ` Yuanhan Liu
2017-12-05 11:04 ` Adrien Mazarguil
2017-12-05 13:20 ` Thomas Monjalon
2017-12-05 13:58 ` Yuanhan Liu
2017-12-05 15:28 ` Thomas Monjalon
2017-12-05 17:22 ` Adrien Mazarguil
2017-12-06 15:49 ` Yuanhan Liu
2017-12-18 22:25 ` Thomas Monjalon
2017-12-18 22:30 ` Stephen Hemminger
2017-12-18 22:41 ` Thomas Monjalon
2017-12-18 23:05 ` Thomas Monjalon
2017-12-20 22:02 ` [dpdk-dev] standardize device identification Thomas Monjalon
2017-12-22 7:01 ` Shreyansh Jain
2017-12-22 9:00 ` Thomas Monjalon
2018-01-05 7:52 ` Finn Christensen
2018-01-05 8:39 ` Thomas Monjalon
2018-01-05 11:09 ` Finn Christensen
2018-01-05 12:01 ` Thomas Monjalon
2018-01-05 14:14 ` Finn Christensen
2018-01-05 15:34 ` Thomas Monjalon [this message]
2018-01-05 20:32 ` Finn Christensen
2018-01-16 20:20 ` [dpdk-dev] [PATCH] [RFC] ether: standardize getting the port by name Ferruh Yigit
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