diff options
Diffstat (limited to 'tools/testing/selftests/bpf/progs/freplace_progmap.c')
-rw-r--r-- | tools/testing/selftests/bpf/progs/freplace_progmap.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/progs/freplace_progmap.c b/tools/testing/selftests/bpf/progs/freplace_progmap.c new file mode 100644 index 000000000000..81b56b9aa7d6 --- /dev/null +++ b/tools/testing/selftests/bpf/progs/freplace_progmap.c @@ -0,0 +1,24 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/bpf.h> +#include <bpf/bpf_helpers.h> + +struct { + __uint(type, BPF_MAP_TYPE_CPUMAP); + __type(key, __u32); + __type(value, struct bpf_cpumap_val); + __uint(max_entries, 1); +} cpu_map SEC(".maps"); + +SEC("xdp/cpumap") +int xdp_drop_prog(struct xdp_md *ctx) +{ + return XDP_DROP; +} + +SEC("freplace") +int xdp_cpumap_prog(struct xdp_md *ctx) +{ + return bpf_redirect_map(&cpu_map, 0, XDP_PASS); +} + +char _license[] SEC("license") = "GPL"; |