| 1 | // SPDX-License-Identifier: GPL-2.0 |
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| 2 | #include <linux/bpf.h> |
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| 3 | #include <bpf/bpf_helpers.h> |
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| 4 | |
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| 5 | struct { |
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| 6 | __uint(type, BPF_MAP_TYPE_DEVMAP); |
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| 7 | __uint(key_size, sizeof(__u32)); |
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| 8 | __uint(value_size, sizeof(struct bpf_devmap_val)); |
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| 9 | __uint(max_entries, 4); |
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| 10 | } dm_ports SEC(".maps" ); |
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| 11 | |
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| 12 | /* valid program on DEVMAP entry via SEC name; |
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| 13 | * has access to egress and ingress ifindex |
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| 14 | */ |
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| 15 | SEC("xdp/devmap" ) |
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| 16 | int xdp_dummy_dm(struct xdp_md *ctx) |
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| 17 | { |
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| 18 | return XDP_PASS; |
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| 19 | } |
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| 20 | |
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| 21 | SEC("xdp.frags/devmap" ) |
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| 22 | int xdp_dummy_dm_frags(struct xdp_md *ctx) |
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| 23 | { |
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| 24 | return XDP_PASS; |
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| 25 | } |
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| 26 | |
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| 27 | char _license[] SEC("license" ) = "GPL" ; |
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| 28 | |
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