820e6e227c
Add test for querying progs attached to sockmap. we use an existing libbpf query interface to query prog cnt before and after progs attaching to sockmap and check whether the queried prog id is right. Signed-off-by: Di Zhu <zhudi2@huawei.com> Acked-by: Yonghong Song <yhs@fb.com> Reviewed-by: Jakub Sitnicki <jakub@cloudflare.com> Link: https://lore.kernel.org/r/20220119014005.1209-2-zhudi2@huawei.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
25 lines
430 B
C
25 lines
430 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include "vmlinux.h"
|
|
#include <bpf/bpf_helpers.h>
|
|
|
|
struct {
|
|
__uint(type, BPF_MAP_TYPE_SOCKMAP);
|
|
__uint(max_entries, 1);
|
|
__type(key, __u32);
|
|
__type(value, __u64);
|
|
} sock_map SEC(".maps");
|
|
|
|
SEC("sk_skb")
|
|
int prog_skb_verdict(struct __sk_buff *skb)
|
|
{
|
|
return SK_PASS;
|
|
}
|
|
|
|
SEC("sk_msg")
|
|
int prog_skmsg_verdict(struct sk_msg_md *msg)
|
|
{
|
|
return SK_PASS;
|
|
}
|
|
|
|
char _license[] SEC("license") = "GPL";
|