[PATCH] trace/xdp: fix compile warning: âstruct bpf_mapâ declared inside parameter list

[Xie XiuQi]

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: âstruct bpf_mapâ 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 â__DECLARE_TRACEâ
  static inline void trace_##name(proto)    \
                                  ^~~~~
./include/linux/tracepoint.h:352:24: note: in expansion of macro âPARAMSâ
  __DECLARE_TRACE(name, PARAMS(proto), PARAMS(args),  \
                        ^~~~~~
./include/linux/tracepoint.h:477:2: note: in expansion of macro âDECLARE_TRACEâ
  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
  ^~~~~~~~~~~~~
./include/linux/tracepoint.h:477:22: note: in expansion of macro âPARAMSâ
  DECLARE_TRACE(name, PARAMS(proto), PARAMS(args))
                      ^~~~~~
./include/trace/events/xdp.h:89:1: note: in expansion of macro âDEFINE_EVENTâ
 DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
 ^~~~~~~~~~~~
./include/trace/events/xdp.h:90:2: note: in expansion of macro âTP_PROTOâ
  TP_PROTO(const struct net_device *dev,
  ^~~~~~~~
./include/trace/events/xdp.h:93:17: warning: âstruct bpf_mapâ 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 â__DECLARE_TRACEâ
  register_trace_##name(void (*probe)(data_proto), void *data) \
                                      ^~~~~~~~~~
./include/linux/tracepoint.h:354:4: note: in expansion of macro âPARAMSâ
    PARAMS(void *__data, proto),   \
    ^~~~~~

Reported-by: Huang Daode <huangdaode@xxxxxxxxxxxxx>
Cc: Hanjun Guo <guohanjun@xxxxxxxxxx>
Signed-off-by: Xie XiuQi <xiexiuqi@xxxxxxxxxx>
---
 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 4cd0f05..8989a92 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)		\
-- 
1.8.3.1