From: Hangbin Liu <liuhangbin@gmail.com>
To: Yonghong Song <yhs@fb.com>
Cc: bpf@vger.kernel.org, netdev@vger.kernel.org,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Jesper Dangaard Brouer" <brouer@redhat.com>,
"John Fastabend" <john.fastabend@gmail.com>,
"Toke Høiland-Jørgensen" <toke@redhat.com>,
"Tariq Toukan" <tariqt@mellanox.com>,
"Maciej Fijalkowski" <maciej.fijalkowski@intel.com>
Subject: Re: [PATCHv2 bpf-next] samples/bpf: add xdp program on egress for xdp_redirect_map
Date: Mon, 30 Nov 2020 15:51:07 +0800 [thread overview]
Message-ID: <20201130075107.GB277949@localhost.localdomain> (raw)
In-Reply-To: <54642499-57d7-5f03-f51e-c0be72fb89de@fb.com>
On Thu, Nov 26, 2020 at 10:31:56PM -0800, Yonghong Song wrote:
> > index 35e16dee613e..8bdec0865e1d 100644
> > --- a/samples/bpf/xdp_redirect_map_user.c
> > +++ b/samples/bpf/xdp_redirect_map_user.c
> > @@ -21,12 +21,13 @@
> > static int ifindex_in;
> > static int ifindex_out;
> > -static bool ifindex_out_xdp_dummy_attached = true;
> > +static bool ifindex_out_xdp_dummy_attached = false;
> > +static bool xdp_prog_attached = false;
>
> Maybe xdp_devmap_prog_attached? Feel xdp_prog_attached
> is too generic since actually it controls xdp_devmap program
> attachment.
Hi Yonghong,
Thanks for your comments. As Jesper replied, The 2nd xdp_prog on egress
doesn't tell us if the redirect was successful. So the number is meaningless.
I plan to write a example about vlan header modification based on egress
index. I will post the patch later.
Thanks
Hangbin
next prev parent reply other threads:[~2020-11-30 7:52 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-10 12:46 [PATCH bpf-next] samples/bpf: add xdp_redirect_map with xdp_prog support Hangbin Liu
2020-11-10 14:25 ` Jesper Dangaard Brouer
2020-11-10 15:24 ` Maciej Fijalkowski
2020-11-11 1:12 ` Hangbin Liu
2020-11-26 8:43 ` [PATCHv2 bpf-next] samples/bpf: add xdp program on egress for xdp_redirect_map Hangbin Liu
2020-11-26 10:51 ` Jesper Dangaard Brouer
2020-11-26 14:19 ` Hangbin Liu
2020-11-27 6:31 ` Yonghong Song
2020-11-30 7:51 ` Hangbin Liu [this message]
2020-11-30 9:32 ` Jesper Dangaard Brouer
2020-11-30 13:10 ` Hangbin Liu
2020-11-30 15:12 ` Jesper Dangaard Brouer
2020-11-30 16:07 ` Toke Høiland-Jørgensen
2020-12-08 8:18 ` [PATCHv3 " Hangbin Liu
2020-12-08 10:39 ` Jesper Dangaard Brouer
2020-12-08 11:11 ` Hangbin Liu
2020-12-08 12:01 ` [PATCHv4 " Hangbin Liu
2020-12-11 0:15 ` Daniel Borkmann
2020-12-11 2:40 ` [PATCHv5 " Hangbin Liu
2021-01-14 14:27 ` [PATCHv6 " Hangbin Liu
2021-01-14 21:01 ` Yonghong Song
2021-01-15 4:17 ` Hangbin Liu
2021-01-15 6:24 ` [PATCHv7 " Hangbin Liu
2021-01-15 16:57 ` Yonghong Song
2021-01-18 22:46 ` Daniel Borkmann
2021-01-19 3:12 ` [PATCHv8 " Hangbin Liu
2021-01-19 14:51 ` Jesper Dangaard Brouer
2021-01-20 4:16 ` Hangbin Liu
2021-01-21 13:06 ` [PATCHv9 " Hangbin Liu
2021-01-21 15:05 ` Jesper Dangaard Brouer
2021-01-22 2:50 ` [PATCHv10 " Hangbin Liu
2021-01-22 10:32 ` Jesper Dangaard Brouer
2021-01-22 23:30 ` patchwork-bot+netdevbpf
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