HID: add source argument to HID low level functions

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This allows to know who actually sent what when we process the request
to the device.
This will be useful for a BPF firewall program to allow or not requests
coming from a dedicated hidraw node client.

Link: https://patch.msgid.link/20240626-hid_hw_req_bpf-v2-2-cfd60fb6c79f@kernel.org
Acked-by: Jiri Kosina <jkosina@suse.com>
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>

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This commit is contained in:

Benjamin Tissoires 2024-06-26 15:46:23 +02:00

parent ebae0b2a6f

commit 67eccf151d

6 changed files with 82 additions and 49 deletions

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12

drivers/hid/bpf/hid_bpf_dispatch.c

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2

drivers/hid/bpf/hid_bpf_struct_ops.c

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95

drivers/hid/hid-core.c

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10

drivers/hid/hidraw.c

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6

include/linux/hid.h

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16

include/linux/hid_bpf.h

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