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>
34 lines
509 B
C
34 lines
509 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
|
|
#include <vmlinux.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
|
|
SEC("?freplace")
|
|
long changes_pkt_data(struct __sk_buff *sk)
|
|
{
|
|
return bpf_skb_pull_data(sk, 0);
|
|
}
|
|
|
|
SEC("?freplace")
|
|
long does_not_change_pkt_data(struct __sk_buff *sk)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
SEC("?freplace")
|
|
long might_sleep(struct pt_regs *ctx)
|
|
{
|
|
int i;
|
|
|
|
bpf_copy_from_user(&i, sizeof(i), NULL);
|
|
return i;
|
|
}
|
|
|
|
SEC("?freplace")
|
|
long does_not_sleep(struct pt_regs *ctx)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|