Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
25 lines
607 B
C
25 lines
607 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/* Converted from tools/testing/selftests/bpf/verifier/xdp.c */
|
|
|
|
#include <linux/bpf.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
#include "bpf_misc.h"
|
|
|
|
SEC("xdp")
|
|
__description("XDP, using ifindex from netdev")
|
|
__success __retval(1)
|
|
__naked void xdp_using_ifindex_from_netdev(void)
|
|
{
|
|
asm volatile (" \
|
|
r0 = 0; \
|
|
r2 = *(u32*)(r1 + %[xdp_md_ingress_ifindex]); \
|
|
if r2 < 1 goto l0_%=; \
|
|
r0 = 1; \
|
|
l0_%=: exit; \
|
|
" :
|
|
: __imm_const(xdp_md_ingress_ifindex, offsetof(struct xdp_md, ingress_ifindex))
|
|
: __clobber_all);
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|