netdev - [PATCH bpf-next 6/9] tools/libbpf_probes: Add support for xdp

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Date:   Wed, 02 Oct 2019 15:30:31 +0200
From:   Toke Høiland-Jørgensen <toke@...hat.com>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     Alexei Starovoitov <ast@...nel.org>,
        Martin KaFai Lau <kafai@...com>,
        Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>,
        Marek Majkowski <marek@...udflare.com>,
        Lorenz Bauer <lmb@...udflare.com>,
        David Miller <davem@...emloft.net>,
        Jesper Dangaard Brouer <brouer@...hat.com>,
        netdev@...r.kernel.org, bpf@...r.kernel.org
Subject: [PATCH bpf-next 6/9] tools/libbpf_probes: Add support for xdp_chain
 map type

From: Toke Høiland-Jørgensen <toke@...hat.com>

This adds support for the BPF_MAP_TYPE_XDP_CHAIN map type to
libbpf_probes.c.

Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>
---
 tools/lib/bpf/libbpf_probes.c |    4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/lib/bpf/libbpf_probes.c b/tools/lib/bpf/libbpf_probes.c
index 4b0b0364f5fc..266ae6e78f88 100644
--- a/tools/lib/bpf/libbpf_probes.c
+++ b/tools/lib/bpf/libbpf_probes.c
@@ -231,6 +231,10 @@ bool bpf_probe_map_type(enum bpf_map_type map_type, __u32 ifindex)
 		if (btf_fd < 0)
 			return false;
 		break;
+	case BPF_MAP_TYPE_XDP_CHAIN:
+		key_size = sizeof(__u32);
+		value_size = sizeof(struct xdp_chain_acts);
+		break;
 	case BPF_MAP_TYPE_UNSPEC:
 	case BPF_MAP_TYPE_HASH:
 	case BPF_MAP_TYPE_ARRAY: