From: Feng Yang yangfeng@kylinos.cn

If the CONFIG_NET_SCH_BPF configuration is not enabled, the BPF test compilation will report the following error: In file included from progs/bpf_qdisc_fq.c:39: progs/bpf_qdisc_common.h:17:51: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility] 17 | void bpf_qdisc_skb_drop(struct sk_buff *p, struct bpf_sk_buff_ptr *to_free) __ksym; | ^ progs/bpf_qdisc_fq.c:309:14: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility] 309 | struct bpf_sk_buff_ptr *to_free) | ^ progs/bpf_qdisc_fq.c:309:14: error: declaration of 'struct bpf_sk_buff_ptr' will not be visible outside of this function [-Werror,-Wvisibility] progs/bpf_qdisc_fq.c:308:5: error: conflicting types for '____bpf_fq_enqueue'

Fixes: 11c701639ba9 ("selftests/bpf: Add a basic fifo qdisc test") Signed-off-by: Feng Yang yangfeng@kylinos.cn --- tools/testing/selftests/bpf/progs/bpf_qdisc_common.h | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h index 65a2c561c0bb..7e7f2fe04f22 100644 --- a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h +++ b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h @@ -12,6 +12,8 @@

#define private(name) SEC(".data." #name) __hidden __attribute__((aligned(8)))

+struct bpf_sk_buff_ptr; + u32 bpf_skb_get_hash(struct sk_buff *p) __ksym; void bpf_kfree_skb(struct sk_buff *p) __ksym; void bpf_qdisc_skb_drop(struct sk_buff *p, struct bpf_sk_buff_ptr *to_free) __ksym;