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From: Jesper Dangaard Brouer <brouer@redhat.com>
To: Song Liu <liu.song.a23@gmail.com>
Cc: Networking <netdev@vger.kernel.org>,
	"Daniel Borkmann" <borkmann@iogearbox.net>,
	"Toke Høiland-Jørgensen" <toke@toke.dk>,
	"Alexei Starovoitov" <alexei.starovoitov@gmail.com>,
	brouer@redhat.com
Subject: Re: [bpf-next PATCH 1/2] samples/bpf: extend xdp_rxq_info to read packet payload
Date: Wed, 27 Jun 2018 13:23:12 +0200	[thread overview]
Message-ID: <20180627132312.0640448b@redhat.com> (raw)
In-Reply-To: <CAPhsuW7i_YsrFvtrFwAybOiFFMUjQzQwtOwVz-r0=d9=TPM=Cw@mail.gmail.com>

On Tue, 26 Jun 2018 16:53:15 -0700
Song Liu <liu.song.a23@gmail.com> wrote:

> > +static char* options2str(enum cfg_options_flags flag)
> > +{
> > +       if (flag == NO_TOUCH)
> > +               return "no_touch";
> > +       if (flag & READ_MEM)
> > +               return "read";
> > +       fprintf(stderr, "ERR: Unknown config option flags");
> > +       exit(EXIT_FAIL);
> > +}
> > +  
> 
> enum cfg_options_flags is used as a bitmap in other parts of the sample.
> So this function is a little weird (with more flags added).

Sure, and do I handle this correctly in the next patch.

I'm uncertain what you want me to change?
Do you want me to drop the enum, and use #define instead?

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

  reply	other threads:[~2018-06-27 11:23 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-25 14:27 [bpf-next PATCH 0/2] xdp/bpf: extend XDP samples/bpf xdp_rxq_info Jesper Dangaard Brouer
2018-06-25 14:27 ` [bpf-next PATCH 1/2] samples/bpf: extend xdp_rxq_info to read packet payload Jesper Dangaard Brouer
2018-06-26 23:53   ` Song Liu
2018-06-27 11:23     ` Jesper Dangaard Brouer [this message]
2018-06-27 17:03       ` Song Liu
2018-06-25 14:27 ` [bpf-next PATCH 2/2] samples/bpf: xdp_rxq_info action XDP_TX must adjust MAC-addrs Jesper Dangaard Brouer
2018-06-27  0:09   ` Song Liu
2018-06-27 11:20     ` Jesper Dangaard Brouer
2018-06-27 17:02       ` Song Liu
2018-06-28 21:54 ` [bpf-next PATCH 0/2] xdp/bpf: extend XDP samples/bpf xdp_rxq_info Daniel Borkmann

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