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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Maciej Fijalkowski <maciejromanfijalkowski@gmail.com>
Cc: daniel@iogearbox.net, ast@kernel.org, netdev@vger.kernel.org,
	jakub.kicinski@netronome.com, brouer@redhat.com
Subject: Re: [PATCH bpf-next v4 5/7] samples/bpf: Add a "force" flag to XDP samples
Date: Tue, 29 Jan 2019 09:00:00 +0100	[thread overview]
Message-ID: <20190129090000.3c34b873@redhat.com> (raw)
In-Reply-To: <20190128191613.11705-6-maciejromanfijalkowski@gmail.com>

On Mon, 28 Jan 2019 20:16:11 +0100
Maciej Fijalkowski <maciejromanfijalkowski@gmail.com> wrote:

> From: Maciej Fijalkowski <maciej.fijalkowski@intel.com>
> 
> Make xdp samples consistent with iproute2 behavior and set the
> XDP_FLAGS_UPDATE_IF_NOEXIST by default when setting the xdp program on
> interface. Provide an option for user to force the program loading,
> which as a result will not include the mentioned flag in
> bpf_set_link_xdp_fd call.

I like the idea, but what is the error message users get after this
change?

-- 
Best regards,
  Jesper Dangaard Brouer
  MSc.CS, Principal Kernel Engineer at Red Hat
  LinkedIn: http://www.linkedin.com/in/brouer

  parent reply	other threads:[~2019-01-29  8:00 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-01-28 19:16 [PATCH bpf-next v4 0/7] xdp: Avoid unloading xdp prog not attached by sample Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 1/7] libbpf: Add a helper for retrieving a map fd for a given name Maciej Fijalkowski
2019-01-28 20:49   ` John Fastabend
2019-01-28 19:16 ` [PATCH bpf-next v4 2/7] samples/bpf: xdp_redirect_cpu have not need for read_trace_pipe Maciej Fijalkowski
2019-01-28 20:50   ` John Fastabend
2019-01-28 19:16 ` [PATCH bpf-next v4 3/7] samples/bpf: Convert XDP samples to libbpf usage Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 4/7] samples/bpf: Extend RLIMIT_MEMLOCK for xdp_{sample_pkts, router_ipv4} Maciej Fijalkowski
2019-01-28 20:54   ` John Fastabend
2019-01-28 19:16 ` [PATCH bpf-next v4 5/7] samples/bpf: Add a "force" flag to XDP samples Maciej Fijalkowski
2019-01-28 20:57   ` John Fastabend
2019-01-29  8:00   ` Jesper Dangaard Brouer [this message]
2019-01-29 11:34     ` Jesper Dangaard Brouer
2019-01-30 18:12       ` Maciej Fijalkowski
2019-01-30 19:08         ` Jesper Dangaard Brouer
2019-01-31  2:26           ` Jakub Kicinski
2019-01-31 20:19             ` Jesper Dangaard Brouer
2019-01-28 19:16 ` [PATCH bpf-next v4 6/7] libbpf: Add a support for getting xdp prog id on ifindex Maciej Fijalkowski
2019-01-28 21:07   ` John Fastabend
2019-01-30 17:53     ` Maciej Fijalkowski
2019-01-28 19:16 ` [PATCH bpf-next v4 7/7] samples/bpf: Check the prog id before exiting Maciej Fijalkowski
2019-01-28 21:10   ` John Fastabend

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