diff options
Diffstat (limited to 'tools/testing/selftests/hid/progs/hid.c')
-rw-r--r-- | tools/testing/selftests/hid/progs/hid.c | 76 |
1 files changed, 54 insertions, 22 deletions
diff --git a/tools/testing/selftests/hid/progs/hid.c b/tools/testing/selftests/hid/progs/hid.c index f67d35def142..614f1aa32649 100644 --- a/tools/testing/selftests/hid/progs/hid.c +++ b/tools/testing/selftests/hid/progs/hid.c @@ -14,8 +14,8 @@ struct attach_prog_args { __u64 callback_check = 52; __u64 callback2_check = 52; -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_first_event, struct hid_bpf_ctx *hid_ctx) +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_first_event, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *rw_data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 3 /* size */); @@ -29,8 +29,14 @@ int BPF_PROG(hid_first_event, struct hid_bpf_ctx *hid_ctx) return hid_ctx->size; } -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_second_event, struct hid_bpf_ctx *hid_ctx) +SEC(".struct_ops.link") +struct hid_bpf_ops first_event = { + .hid_device_event = (void *)hid_first_event, + .hid_id = 2, +}; + +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_second_event, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *rw_data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 4 /* size */); @@ -42,8 +48,13 @@ int BPF_PROG(hid_second_event, struct hid_bpf_ctx *hid_ctx) return hid_ctx->size; } -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_change_report_id, struct hid_bpf_ctx *hid_ctx) +SEC(".struct_ops.link") +struct hid_bpf_ops second_event = { + .hid_device_event = (void *)hid_second_event, +}; + +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_change_report_id, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *rw_data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 3 /* size */); @@ -55,15 +66,10 @@ int BPF_PROG(hid_change_report_id, struct hid_bpf_ctx *hid_ctx) return 9; } -SEC("syscall") -int attach_prog(struct attach_prog_args *ctx) -{ - ctx->retval = hid_bpf_attach_prog(ctx->hid, - ctx->prog_fd, - ctx->insert_head ? HID_BPF_FLAG_INSERT_HEAD : - HID_BPF_FLAG_NONE); - return 0; -} +SEC(".struct_ops.link") +struct hid_bpf_ops change_report_id = { + .hid_device_event = (void *)hid_change_report_id, +}; struct hid_hw_request_syscall_args { /* data needs to come at offset 0 so we can use it in calls */ @@ -181,7 +187,12 @@ static const __u8 rdesc[] = { 0xc0, /* END_COLLECTION */ }; -SEC("?fmod_ret/hid_bpf_rdesc_fixup") +/* + * the following program is marked as sleepable (struct_ops.s). + * This is not strictly mandatory but is a nice test for + * sleepable struct_ops + */ +SEC("?struct_ops.s/hid_rdesc_fixup") int BPF_PROG(hid_rdesc_fixup, struct hid_bpf_ctx *hid_ctx) { __u8 *data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 4096 /* size */); @@ -200,8 +211,13 @@ int BPF_PROG(hid_rdesc_fixup, struct hid_bpf_ctx *hid_ctx) return sizeof(rdesc) + 73; } -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_test_insert1, struct hid_bpf_ctx *hid_ctx) +SEC(".struct_ops.link") +struct hid_bpf_ops rdesc_fixup = { + .hid_rdesc_fixup = (void *)hid_rdesc_fixup, +}; + +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_test_insert1, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 4 /* size */); @@ -217,8 +233,14 @@ int BPF_PROG(hid_test_insert1, struct hid_bpf_ctx *hid_ctx) return 0; } -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_test_insert2, struct hid_bpf_ctx *hid_ctx) +SEC(".struct_ops.link") +struct hid_bpf_ops test_insert1 = { + .hid_device_event = (void *)hid_test_insert1, + .flags = BPF_F_BEFORE, +}; + +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_test_insert2, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 4 /* size */); @@ -234,8 +256,13 @@ int BPF_PROG(hid_test_insert2, struct hid_bpf_ctx *hid_ctx) return 0; } -SEC("?fmod_ret/hid_bpf_device_event") -int BPF_PROG(hid_test_insert3, struct hid_bpf_ctx *hid_ctx) +SEC(".struct_ops.link") +struct hid_bpf_ops test_insert2 = { + .hid_device_event = (void *)hid_test_insert2, +}; + +SEC("?struct_ops/hid_device_event") +int BPF_PROG(hid_test_insert3, struct hid_bpf_ctx *hid_ctx, enum hid_report_type type) { __u8 *data = hid_bpf_get_data(hid_ctx, 0 /* offset */, 4 /* size */); @@ -250,3 +277,8 @@ int BPF_PROG(hid_test_insert3, struct hid_bpf_ctx *hid_ctx) return 0; } + +SEC(".struct_ops.link") +struct hid_bpf_ops test_insert3 = { + .hid_device_event = (void *)hid_test_insert3, +}; |