ffb515c933
Test verifier/xdp.c automatically converted to use inline assembly. Signed-off-by: Eduard Zingerman <eddyz87@gmail.com> Link: https://lore.kernel.org/r/20230325025524.144043-43-eddyz87@gmail.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
24 lines
607 B
C
24 lines
607 B
C
// SPDX-License-Identifier: GPL-2.0
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/* Converted from tools/testing/selftests/bpf/verifier/xdp.c */
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#include <linux/bpf.h>
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#include <bpf/bpf_helpers.h>
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#include "bpf_misc.h"
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SEC("xdp")
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__description("XDP, using ifindex from netdev")
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__success __retval(1)
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__naked void xdp_using_ifindex_from_netdev(void)
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{
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asm volatile (" \
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r0 = 0; \
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r2 = *(u32*)(r1 + %[xdp_md_ingress_ifindex]); \
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if r2 < 1 goto l0_%=; \
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r0 = 1; \
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l0_%=: exit; \
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" :
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: __imm_const(xdp_md_ingress_ifindex, offsetof(struct xdp_md, ingress_ifindex))
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: __clobber_all);
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}
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char _license[] SEC("license") = "GPL";
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