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>
22 lines
457 B
C
22 lines
457 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
|
|
#include <sys/socket.h>
|
|
#include <bpf/bpf_helpers.h>
|
|
|
|
int get_set_sk_priority(void *ctx)
|
|
{
|
|
int prio;
|
|
|
|
/* Verify that context allows calling bpf_getsockopt and
|
|
* bpf_setsockopt by reading and writing back socket
|
|
* priority.
|
|
*/
|
|
|
|
if (bpf_getsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
|
|
return 0;
|
|
if (bpf_setsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
|
|
return 0;
|
|
|
|
return 1;
|
|
}
|