Re: [PATCH bpf-next v2 02/28] bpf: introduce hid program type
flat view
From: Song Liu <song@kernel.org>
Date: 2022-03-05 00:21:04
Also in:
bpf, linux-input, linux-kselftest, lkml
On Fri, Mar 4, 2022 at 9:31 AM Benjamin Tissoires [off-list ref] wrote:
[...]
quoted hunk ↗ jump to hunk
+#endif + +static inline bool bpf_hid_link_empty(struct bpf_hid *bpf, + enum bpf_hid_attach_type type) +{ + return list_empty(&bpf->links[type]); +} + +struct bpf_hid_hooks { + struct hid_device *(*hdev_from_fd)(int fd); + int (*link_attach)(struct hid_device *hdev, enum bpf_hid_attach_type type); + void (*array_detached)(struct hid_device *hdev, enum bpf_hid_attach_type type);
shall we call this array_detach()? detached sounds like a function that checks the status of link/hook. [...]
quoted hunk ↗ jump to hunk
--- /dev/null +++ b/kernel/bpf/hid.c@@ -0,0 +1,437 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * based on kernel/bpf/net-namespace.c + */
I guess we don't need this comment.
quoted hunk ↗ jump to hunk
+ +#include <linux/bpf.h> +#include <linux/bpf-hid.h> +#include <linux/filter.h> +#include <linux/hid.h> +#include <linux/hidraw.h>
[...]