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Commit 05b8ad25 authored by Adam Barth's avatar Adam Barth Committed by David S. Miller
Browse files

samples/bpf: fix bpf_perf_event_output prototype 



The commit 555c8a86 ("bpf: avoid stack copy and use skb ctx for event output")
started using 20 of initially reserved upper 32-bits of 'flags' argument
in bpf_perf_event_output(). Adjust corresponding prototype in samples/bpf/bpf_helpers.h

Signed-off-by: default avatarAdam Barth <arb@fb.com>
Signed-off-by: default avatarAlexei Starovoitov <ast@kernel.org>
Acked-by: default avatarDaniel Borkmann <daniel@iogearbox.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent fff8019a

samples/bpf/bpf_helpers.h

+3 −1
Original line number Diff line number Diff line
@@ -37,7 +37,9 @@ static int (*bpf_clone_redirect)(void *ctx, int ifindex, int flags) = 
	(void *) BPF_FUNC_clone_redirect;

static int (*bpf_redirect)(int ifindex, int flags) =

	(void *) BPF_FUNC_redirect;

static int (*bpf_perf_event_output)(void *ctx, void *map, int index, void *data, int size) =

static int (*bpf_perf_event_output)(void *ctx, void *map,

				    unsigned long long flags, void *data,

				    int size) =

	(void *) BPF_FUNC_perf_event_output;

static int (*bpf_get_stackid)(void *ctx, void *map, int flags) =

	(void *) BPF_FUNC_get_stackid;