Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Daniel Borkmann |
222 |
94.87% |
2 |
50.00% |
| Andrii Nakryiko |
11 |
4.70% |
1 |
25.00% |
| Toke Höiland-Jörgensen |
1 |
0.43% |
1 |
25.00% |
| Total |
234 |
|
4 |
|
// SPDX-License-Identifier: GPL-2.0
#include <linux/bpf.h>
#include <bpf/bpf_helpers.h>
struct {
__uint(type, BPF_MAP_TYPE_PROG_ARRAY);
__uint(max_entries, 5);
__uint(key_size, sizeof(__u32));
__uint(value_size, sizeof(__u32));
} jmp_table SEC(".maps");
SEC("tc")
int classifier_0(struct __sk_buff *skb)
{
bpf_tail_call_static(skb, &jmp_table, 1);
return 0;
}
SEC("tc")
int classifier_1(struct __sk_buff *skb)
{
bpf_tail_call_static(skb, &jmp_table, 2);
return 1;
}
SEC("tc")
int classifier_2(struct __sk_buff *skb)
{
return 2;
}
SEC("tc")
int classifier_3(struct __sk_buff *skb)
{
bpf_tail_call_static(skb, &jmp_table, 4);
return 3;
}
SEC("tc")
int classifier_4(struct __sk_buff *skb)
{
bpf_tail_call_static(skb, &jmp_table, 3);
return 4;
}
SEC("tc")
int entry(struct __sk_buff *skb)
{
bpf_tail_call_static(skb, &jmp_table, 0);
/* Check multi-prog update. */
bpf_tail_call_static(skb, &jmp_table, 2);
/* Check tail call limit. */
bpf_tail_call_static(skb, &jmp_table, 3);
return 3;
}
char __license[] SEC("license") = "GPL";