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

From: Steven Rostedt
Date: Wed Nov 29 2017 - 07:16:19 EST


On Wed, 29 Nov 2017 16:35:01 +0800
Xie XiuQi <xiexiuqi@xxxxxxxxxx> wrote:

> 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),
>
> 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>

Acked-by: Steven Rostedt (VMware) <rostedt@xxxxxxxxxxx>

-- Steve

>
> #define __XDP_ACT_MAP(FN) \
> FN(ABORTED) \