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Subject[PATCH AUTOSEL for 4.14 020/100] trace/xdp: fix compile warning: 'struct bpf_map' declared inside parameter list
Date
From: Xie XiuQi <xiexiuqi@huawei.com>

[ Upstream commit 23721a755f98ac846897a013c92cccb281c1bcc8 ]

We meet this compile warning, which caused by missing bpf.h in xdp.h.

In file included from ./include/trace/events/xdp.h:10:0,
from ./include/linux/bpf_trace.h:6,
from drivers/net/ethernet/intel/i40e/i40e_txrx.c:29:
./include/trace/events/xdp.h:93:17: warning: ‘struct bpf_map’ declared inside parameter list will not be visible outside of this definition or declaration
const struct bpf_map *map, u32 map_index),
^
./include/linux/tracepoint.h:187:34: note: in definition of macro ‘__DECLARE_TRACE’
static inline void trace_##name(proto) \
^~~~~
./include/linux/tracepoint.h:352:24: note: in expansion of macro ‘PARAMS’
__DECLARE_TRACE(name, PARAMS(proto), PARAMS(args), \
^~~~~~
./include/linux/tracepoint.h:477:2: note: in expansion of macro ‘DECLARE_TRACE’
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~~~~~~~~
./include/linux/tracepoint.h:477:22: note: in expansion of macro ‘PARAMS’
DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
^~~~~~
./include/trace/events/xdp.h:89:1: note: in expansion of macro ‘DEFINE_EVENT’
DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
^~~~~~~~~~~~
./include/trace/events/xdp.h:90:2: note: in expansion of macro ‘TP_PROTO’
TP_PROTO(const struct net_device *dev,
^~~~~~~~
./include/trace/events/xdp.h:93:17: warning: ‘struct bpf_map’ declared inside parameter list will not be visible outside of this definition or declaration
const struct bpf_map *map, u32 map_index),
^
./include/linux/tracepoint.h:203:38: note: in definition of macro ‘__DECLARE_TRACE’
register_trace_##name(void (*probe)(data_proto), void *data) \
^~~~~~~~~~
./include/linux/tracepoint.h:354:4: note: in expansion of macro ‘PARAMS’
PARAMS(void *__data, proto), \
^~~~~~

Reported-by: Huang Daode <huangdaode@hisilicon.com>
Cc: Hanjun Guo <guohanjun@huawei.com>
Fixes: 8d3b778ff544 ("xdp: tracepoint xdp_redirect also need a map argument")
Signed-off-by: Xie XiuQi <xiexiuqi@huawei.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
---
include/trace/events/xdp.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h
index 810e94160c12..f7c73ae62b7a 100644
--- a/include/trace/events/xdp.h
+++ b/include/trace/events/xdp.h
@@ -8,6 +8,7 @@
#include <linux/netdevice.h>
#include <linux/filter.h>
#include <linux/tracepoint.h>
+#include <linux/bpf.h>

#define __XDP_ACT_MAP(FN) \
FN(ABORTED) \
--
2.11.0
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