dd65acf72d
Since commit 6c4fc209fcf9d ("bpf: remove useless version check for prog
load") these "version" sections, which result in bpf_attr.kern_version
being set, have been unnecessary.
Remove them so that it's obvious to folks using selftests as a guide that
"modern" BPF progs don't need this section.
Signed-off-by: Dave Marchevsky <davemarchevsky@fb.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20211007231234.2223081-1-davemarchevsky@fb.com
36 lines
602 B
C
36 lines
602 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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char _license[] SEC("license") = "GPL";
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SEC("skb_ctx")
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int process(struct __sk_buff *skb)
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{
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#pragma clang loop unroll(full)
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for (int i = 0; i < 5; i++) {
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if (skb->cb[i] != i + 1)
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return 1;
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skb->cb[i]++;
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}
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skb->priority++;
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skb->tstamp++;
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skb->mark++;
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if (skb->wire_len != 100)
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return 1;
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if (skb->gso_segs != 8)
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return 1;
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if (skb->gso_size != 10)
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return 1;
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if (skb->ingress_ifindex != 11)
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return 1;
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if (skb->ifindex != 1)
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return 1;
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if (skb->hwtstamp != 11)
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return 1;
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return 0;
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}
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