netdev - [PATCH v4 bpf-next 7/9] libbpf: add SEC name for xdp programs attached to CPUMAP

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Message-Id: <5a1ce6302ffcd54b87213e840e3e8d5b92285171.1593012598.git.lorenzo@kernel.org>
Date:   Wed, 24 Jun 2020 17:33:56 +0200
From:   Lorenzo Bianconi <lorenzo@...nel.org>
To:     netdev@...r.kernel.org, bpf@...r.kernel.org
Cc:     davem@...emloft.net, ast@...nel.org, brouer@...hat.com,
        daniel@...earbox.net, toke@...hat.com, lorenzo.bianconi@...hat.com,
        dsahern@...nel.org, andrii.nakryiko@...il.com
Subject: [PATCH v4 bpf-next 7/9] libbpf: add SEC name for xdp programs attached to CPUMAP

As for DEVMAP, support SEC("xdp_cpumap/") as a short cut for loading
the program with type BPF_PROG_TYPE_XDP and expected attach type
BPF_XDP_CPUMAP.

Acked-by: Jesper Dangaard Brouer <brouer@...hat.com>
Acked-by: Andrii Nakryiko <andriin@...com>
Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.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 18461deb1b19..16fa3b84ac38 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -6866,6 +6866,8 @@ static const struct bpf_sec_def section_defs[] = {
 		.attach_fn = attach_iter),
 	BPF_EAPROG_SEC("xdp_devmap",		BPF_PROG_TYPE_XDP,
 						BPF_XDP_DEVMAP),
+	BPF_EAPROG_SEC("xdp_cpumap/",		BPF_PROG_TYPE_XDP,
+						BPF_XDP_CPUMAP),
 	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),
-- 
2.26.2