File: bpf_sockopt_helpers.h

package info (click to toggle)
linux 6.1.8-1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,488,076 kB
  • sloc: ansic: 23,401,844; asm: 266,744; sh: 108,976; makefile: 49,705; python: 36,927; perl: 36,810; cpp: 6,044; yacc: 4,904; lex: 2,722; awk: 1,440; ruby: 25; sed: 5
file content (21 lines) | stat: -rw-r--r-- 457 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
/* 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;
}