diff options
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_sockopt_helpers.h')
-rw-r--r-- | tools/testing/selftests/bpf/bpf_sockopt_helpers.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bpf_sockopt_helpers.h b/tools/testing/selftests/bpf/bpf_sockopt_helpers.h new file mode 100644 index 000000000000..11f3a0976174 --- /dev/null +++ b/tools/testing/selftests/bpf/bpf_sockopt_helpers.h @@ -0,0 +1,21 @@ +/* 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; +} |