| // SPDX-License-Identifier: GPL-2.0 |
| #include <bpf/bpf_helpers.h> |
| int classifier_0(struct __sk_buff *skb); |
| int classifier_1(struct __sk_buff *skb); |
| __uint(type, BPF_MAP_TYPE_PROG_ARRAY); |
| __uint(key_size, sizeof(__u32)); |
| __array(values, void (void)); |
| } jmp_table SEC(".maps") = { |
| [0] = (void *) &classifier_0, |
| [1] = (void *) &classifier_1, |
| int subprog_tail0(struct __sk_buff *skb) |
| bpf_tail_call_static(skb, &jmp_table, 0); |
| int classifier_0(struct __sk_buff *skb) |
| int subprog_tail1(struct __sk_buff *skb) |
| bpf_tail_call_static(skb, &jmp_table, 1); |
| int classifier_1(struct __sk_buff *skb) |
| int tailcall_bpf2bpf_hierarchy_2(struct __sk_buff *skb) |
| return (count1 << 16) | count0; |
| char __license[] SEC("license") = "GPL"; |