1 /* SPDX-License-Identifier: GPL-2.0 */
2
3 #include <sys/socket.h>
4 #include <bpf/bpf_helpers.h>
5
6 int get_set_sk_priority(void *ctx)
7 {
8 int prio;
9
10 /* Verify that context allows calling bpf_getsockopt and
11 * bpf_setsockopt by reading and writing back socket
12 * priority.
13 */
14
15 if (bpf_getsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
16 return 0;
17 if (bpf_setsockopt(ctx, SOL_SOCKET, SO_PRIORITY, &prio, sizeof(prio)))
18 return 0;
19
20 return 1;
21 }
22
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.