These kfuncs are removed in commit 2f9838e25790
("selftests/bpf: Cleanup bpf qdisc selftests"), but they are still
referenced by multiple tests. Otherwise, we will get the following errors.
```
progs/bpf_qdisc_fail__incompl_ops.c:13:2: error: call to undeclared function
'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
13 | bpf_qdisc_skb_drop(skb, to_free);
| ^
1 error generated.
progs/bpf_qdisc_fifo.c:38:3: error: call to undeclared function
'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
38 | bpf_qdisc_skb_drop(skb, to_free);
| ^
progs/bpf_qdisc_fq.c:280:11: error: call to undeclared function
'bpf_skb_get_hash'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
280 | hash = bpf_skb_get_hash(skb) & q.orphan_mask;
| ^
progs/bpf_qdisc_fq.c:287:11: error: call to undeclared function
'bpf_skb_get_hash'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
287 | hash = bpf_skb_get_hash(skb) & q.orphan_mask;
| ^
progs/bpf_qdisc_fq.c:375:3: error: call to undeclared function
'bpf_qdisc_skb_drop'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
375 | bpf_qdisc_skb_drop(skb, to_free);
| ^
progs/bpf_qdisc_fifo.c:71:2: error: call to undeclared function
'bpf_qdisc_bstats_update'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
71 | bpf_qdisc_bstats_update(sch, skb);
| ^
progs/bpf_qdisc_fifo.c:106:4: error: call to undeclared function
'bpf_kfree_skb'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
106 | bpf_kfree_skb(skb);
| ^
3 errors generated.
progs/bpf_qdisc_fq.c:614:3: error: call to undeclared function
'bpf_qdisc_bstats_update'; ISO C99 and later do not support implicit function
declarations [-Wimplicit-function-declaration]
614 | bpf_qdisc_bstats_update(sch, skb);
| ^
progs/bpf_qdisc_fq.c:619:3: error: call to undeclared function
'bpf_qdisc_watchdog_schedule'; ISO C99 and later do not support implicit
function declarations [-Wimplicit-function-declaration]
619 | bpf_qdisc_watchdog_schedule(sch, cb_ctx.expire,
q.timer_slack);
| ^
5 errors generated.
```
Fixes: 2f9838e25790 ("selftests/bpf: Cleanup bpf qdisc selftests")
Signed-off-by: Xing Guo <[email protected]>
---
tools/testing/selftests/bpf/progs/bpf_qdisc_common.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h
b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h
index 3754f581b328..7e7f2fe04f22 100644
--- a/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h
+++ b/tools/testing/selftests/bpf/progs/bpf_qdisc_common.h
@@ -14,6 +14,12 @@
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;
+void bpf_qdisc_watchdog_schedule(struct Qdisc *sch, u64 expire, u64 delta_ns)
__ksym;
+void bpf_qdisc_bstats_update(struct Qdisc *sch, const struct sk_buff *skb)
__ksym;
+
static struct qdisc_skb_cb *qdisc_skb_cb(const struct sk_buff *skb)
{
return (struct qdisc_skb_cb *)skb->cb;
--
2.51.0
