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From: Simon Horman <simon.horman@netronome•com>
To: Jakub Kicinski <jakub.kicinski@netronome•com>
Cc: netdev@vger•kernel.org, davem@davemloft•net,
	johannes@sipsolutions•net, dsa@cumulusnetworks•com,
	daniel@iogearbox•net, alexei.starovoitov@gmail•com,
	bblanco@gmail•com, john.fastabend@gmail•com, kubakici@wp•pl,
	oss-drivers@netronome•com, brouer@redhat•com, jhs@mojatatu•com
Subject: Re: [oss-drivers] [PATCH net-next 0/4] xdp: use netlink extended ACK reporting
Date: Mon, 1 May 2017 12:32:00 +0200	[thread overview]
Message-ID: <20170501103158.GB24399@vergenet.net> (raw)
In-Reply-To: <20170501044648.13022-1-jakub.kicinski@netronome.com>

On Sun, Apr 30, 2017 at 09:46:44PM -0700, Jakub Kicinski wrote:
> Hi!
> 
> This series is an attempt to make XDP more user friendly by 
> enabling exploiting the recently added netlink extended ACK 
> reporting to carry messages to user space.
> 
> David Ahern's iproute2 ext ack patches for ip link are sufficient
> to show the errors like this:
> 
> # ip link set dev p4p1 xdp obj ipip_prepend.o sec ".text"
> Error: nfp: MTU too large w/ XDP enabled
> 
> Where the message is coming directly from the driver.  There could
> still be a bit of a leap for a complete novice from the message 
> above to the right settings, but it's a big improvement over the
> standard "Invalid argument" message.
> 
> v1/non-rfc:
>  - add a separate macro in patch 1;
>  - add KBUILD_MODNAME as part of the message (Daniel);
>  - don't print the error to logs in patch 1.
> 
> Jakub Kicinski (4):
>   netlink: add NULL-friendly helper for setting extended ACK message
>   xdp: propagate extended ack to XDP setup
>   nfp: make use of extended ack message reporting
>   virtio_net: make use of extended ack message reporting

Reviewed-by: Simon Horman <simon.horman@netronome•com>

  parent reply	other threads:[~2017-05-01 10:32 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-05-01  4:46 [PATCH net-next 0/4] xdp: use netlink extended ACK reporting Jakub Kicinski
2017-05-01  4:46 ` [PATCH net-next 1/4] netlink: add NULL-friendly helper for setting extended ACK message Jakub Kicinski
2017-05-01 10:45   ` Daniel Borkmann
2017-05-01  4:46 ` [PATCH net-next 2/4] xdp: propagate extended ack to XDP setup Jakub Kicinski
2017-05-01 10:46   ` Daniel Borkmann
2017-05-01  4:46 ` [PATCH net-next 3/4] nfp: make use of extended ack message reporting Jakub Kicinski
2017-05-01 10:46   ` Daniel Borkmann
2017-05-01  4:46 ` [PATCH net-next 4/4] virtio_net: " Jakub Kicinski
2017-05-01 10:50   ` Daniel Borkmann
2017-05-01 14:34     ` David Miller
2017-05-01 10:32 ` Simon Horman [this message]
2017-05-01 14:36 ` [PATCH net-next 0/4] xdp: use netlink extended ACK reporting David Miller

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