cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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bpf_sockopt_helpers.h (457B)

      1/* SPDX-License-Identifier: GPL-2.0 */
      2
      3#include <sys/socket.h>
      4#include <bpf/bpf_helpers.h>
      5
      6int 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}