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From: David Ahern <dsahern@gmail.com>
To: "Toke Høiland-Jørgensen" <toke@redhat.com>,
	"David Ahern" <dsahern@kernel.org>,
	netdev@vger.kernel.org
Cc: bpf@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
	brouer@redhat.com, lorenzo@kernel.org, daniel@iogearbox.net,
	john.fastabend@gmail.com, ast@kernel.org, kafai@fb.com,
	songliubraving@fb.com, yhs@fb.com, andriin@fb.com
Subject: Re: [PATCH v3 bpf-next 5/5] selftest: Add tests for XDP programs in devmap entries
Date: Fri, 29 May 2020 10:48:41 -0600	[thread overview]
Message-ID: <a8fd8937-25d7-0822-67a7-e01b856261be@gmail.com> (raw)
In-Reply-To: <87r1v2zo3y.fsf@toke.dk>

On 5/29/20 10:45 AM, Toke Høiland-Jørgensen wrote:
>> diff --git a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
>> new file mode 100644
>> index 000000000000..b360ba2bd441
>> --- /dev/null
>> +++ b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
>> @@ -0,0 +1,22 @@
>> +// SPDX-License-Identifier: GPL-2.0
>> +/* fails to load without expected_attach_type = BPF_XDP_DEVMAP
>> + * because of access to egress_ifindex
>> + */
>> +#include <linux/bpf.h>
>> +#include <bpf/bpf_helpers.h>
>> +
>> +SEC("xdp_dm_log")
> Guess this should be xdp_devmap_log now?
> 
no. this program is for negative testing - it should load as an XDP
program without the expected_attach_type set. See the comment at the top
of the file.

  reply	other threads:[~2020-05-29 16:48 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-29  5:20 [PATCH v3 bpf-next 0/5] bpf: Add support for XDP programs in DEVMAP entries David Ahern
2020-05-29  5:20 ` [PATCH v3 bpf-next 1/5] devmap: Formalize map value as a named struct David Ahern
2020-05-29  8:22   ` Jesper Dangaard Brouer
2020-05-29 15:36     ` David Ahern
2020-05-29 16:02       ` Jesper Dangaard Brouer
2020-05-29  5:20 ` [PATCH v3 bpf-next 2/5] bpf: Add support to attach bpf program to a devmap entry David Ahern
2020-05-29  5:20 ` [PATCH v3 bpf-next 3/5] xdp: Add xdp_txq_info to xdp_buff David Ahern
2020-05-29  5:20 ` [PATCH v3 bpf-next 4/5] libbpf: Add SEC name for xdp programs attached to device map David Ahern
2020-05-29  5:20 ` [PATCH v3 bpf-next 5/5] selftest: Add tests for XDP programs in devmap entries David Ahern
2020-05-29 16:45   ` Toke Høiland-Jørgensen
2020-05-29 16:48     ` David Ahern [this message]
2020-05-29 16:58       ` Toke Høiland-Jørgensen
2020-05-29 16:46 ` [PATCH v3 bpf-next 0/5] bpf: Add support for XDP programs in DEVMAP entries Toke Høiland-Jørgensen

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