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From: David Ahern <dsahern@kernel.org>
To: netdev@vger.kernel.org
Cc: bpf@vger.kernel.org, davem@davemloft.net, kuba@kernel.org,
	brouer@redhat.com, toke@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,
	dsahern@gmail.com, David Ahern <dsahern@kernel.org>
Subject: [PATCH v3 bpf-next 4/5] libbpf: Add SEC name for xdp programs attached to device map
Date: Thu, 28 May 2020 23:20:56 -0600	[thread overview]
Message-ID: <20200529052057.69378-5-dsahern@kernel.org> (raw)
In-Reply-To: <20200529052057.69378-1-dsahern@kernel.org>

Support SEC("xdp_devmap*") as a short cut for loading the program with
type BPF_PROG_TYPE_XDP and expected attach type BPF_XDP_DEVMAP.

Signed-off-by: David Ahern <dsahern@kernel.org>
---
 tools/lib/bpf/libbpf.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 74d967619dcf..85d4f1c5fc52 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -6657,6 +6657,8 @@ static const struct bpf_sec_def section_defs[] = {
 		.expected_attach_type = BPF_TRACE_ITER,
 		.is_attach_btf = true,
 		.attach_fn = attach_iter),
+	BPF_EAPROG_SEC("xdp_devmap",		BPF_PROG_TYPE_XDP,
+						BPF_XDP_DEVMAP),
 	BPF_PROG_SEC("xdp",			BPF_PROG_TYPE_XDP),
 	BPF_PROG_SEC("perf_event",		BPF_PROG_TYPE_PERF_EVENT),
 	BPF_PROG_SEC("lwt_in",			BPF_PROG_TYPE_LWT_IN),
-- 
2.21.1 (Apple Git-122.3)


  parent reply	other threads:[~2020-05-29  5:21 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 ` David Ahern [this message]
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
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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