These are required in a subsequent patch to implement the bpf_link
command for cls_bpf. Since the bpf_link object is tied to the
cls_bpf_prog object, it has to be initialized and managed from inside
the module.
Reviewed-by: Toke Høiland-Jørgensen <toke@xxxxxxxxxx>.
Signed-off-by: Kumar Kartikeya Dwivedi <memxor@xxxxxxxxx>
---
kernel/bpf/syscall.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/kernel/bpf/syscall.c b/kernel/bpf/syscall.c
index 50457019da27..e5934b748ced 100644
--- a/kernel/bpf/syscall.c
+++ b/kernel/bpf/syscall.c
@@ -2338,6 +2338,7 @@ void bpf_link_init(struct bpf_link *link, enum bpf_link_type type,
link->ops = ops;
link->prog = prog;
}
+EXPORT_SYMBOL_GPL(bpf_link_init);
static void bpf_link_free_id(int id)
{
@@ -2363,6 +2364,7 @@ void bpf_link_cleanup(struct bpf_link_primer *primer)
fput(primer->file);
put_unused_fd(primer->fd);
}
+EXPORT_SYMBOL_GPL(bpf_link_cleanup);
void bpf_link_inc(struct bpf_link *link)
{
@@ -2510,6 +2512,7 @@ int bpf_link_prime(struct bpf_link *link, struct bpf_link_primer *primer)
primer->id = id;
return 0;
}
+EXPORT_SYMBOL_GPL(bpf_link_prime);
int bpf_link_settle(struct bpf_link_primer *primer)
{
@@ -2522,6 +2525,7 @@ int bpf_link_settle(struct bpf_link_primer *primer)
/* pass through installed FD */
return primer->fd;
}
+EXPORT_SYMBOL_GPL(bpf_link_settle);
int bpf_link_new_fd(struct bpf_link *link)
{
--
2.31.1
