275 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			275 lines
		
	
	
		
			6.9 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #undef TRACE_SYSTEM
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| #define TRACE_SYSTEM xdp
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| 
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| #if !defined(_TRACE_XDP_H) || defined(TRACE_HEADER_MULTI_READ)
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| #define _TRACE_XDP_H
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| 
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| #include <linux/netdevice.h>
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| #include <linux/filter.h>
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| #include <linux/tracepoint.h>
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| #include <linux/bpf.h>
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| 
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| #define __XDP_ACT_MAP(FN)	\
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| 	FN(ABORTED)		\
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| 	FN(DROP)		\
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| 	FN(PASS)		\
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| 	FN(TX)			\
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| 	FN(REDIRECT)
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| 
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| #define __XDP_ACT_TP_FN(x)	\
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| 	TRACE_DEFINE_ENUM(XDP_##x);
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| #define __XDP_ACT_SYM_FN(x)	\
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| 	{ XDP_##x, #x },
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| #define __XDP_ACT_SYM_TAB	\
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| 	__XDP_ACT_MAP(__XDP_ACT_SYM_FN) { -1, 0 }
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| __XDP_ACT_MAP(__XDP_ACT_TP_FN)
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| 
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| TRACE_EVENT(xdp_exception,
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| 
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp, u32 act),
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| 
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| 	TP_ARGS(dev, xdp, act),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(int, prog_id)
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| 		__field(u32, act)
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| 		__field(int, ifindex)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->prog_id	= xdp->aux->id;
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| 		__entry->act		= act;
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| 		__entry->ifindex	= dev->ifindex;
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| 	),
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| 
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| 	TP_printk("prog_id=%d action=%s ifindex=%d",
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| 		  __entry->prog_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->ifindex)
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| );
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| 
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| DECLARE_EVENT_CLASS(xdp_redirect_template,
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| 
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp,
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| 		 int to_ifindex, int err,
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| 		 const struct bpf_map *map, u32 map_index),
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| 
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| 	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(int, prog_id)
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| 		__field(u32, act)
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| 		__field(int, ifindex)
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| 		__field(int, err)
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| 		__field(int, to_ifindex)
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| 		__field(u32, map_id)
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| 		__field(int, map_index)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->prog_id	= xdp->aux->id;
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| 		__entry->act		= XDP_REDIRECT;
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| 		__entry->ifindex	= dev->ifindex;
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| 		__entry->err		= err;
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| 		__entry->to_ifindex	= to_ifindex;
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| 		__entry->map_id		= map ? map->id : 0;
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| 		__entry->map_index	= map_index;
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| 	),
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| 
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| 	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d",
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| 		  __entry->prog_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->ifindex, __entry->to_ifindex,
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| 		  __entry->err)
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| );
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| 
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| DEFINE_EVENT(xdp_redirect_template, xdp_redirect,
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp,
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| 		 int to_ifindex, int err,
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| 		 const struct bpf_map *map, u32 map_index),
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| 	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
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| );
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| 
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| DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err,
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp,
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| 		 int to_ifindex, int err,
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| 		 const struct bpf_map *map, u32 map_index),
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| 	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index)
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| );
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| 
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| #define _trace_xdp_redirect(dev, xdp, to)		\
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| 	 trace_xdp_redirect(dev, xdp, to, 0, NULL, 0);
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| 
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| #define _trace_xdp_redirect_err(dev, xdp, to, err)	\
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| 	 trace_xdp_redirect_err(dev, xdp, to, err, NULL, 0);
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| 
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| DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map,
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp,
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| 		 int to_ifindex, int err,
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| 		 const struct bpf_map *map, u32 map_index),
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| 	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
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| 	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
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| 		  " map_id=%d map_index=%d",
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| 		  __entry->prog_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->ifindex, __entry->to_ifindex,
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| 		  __entry->err,
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| 		  __entry->map_id, __entry->map_index)
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| );
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| 
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| DEFINE_EVENT_PRINT(xdp_redirect_template, xdp_redirect_map_err,
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| 	TP_PROTO(const struct net_device *dev,
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| 		 const struct bpf_prog *xdp,
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| 		 int to_ifindex, int err,
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| 		 const struct bpf_map *map, u32 map_index),
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| 	TP_ARGS(dev, xdp, to_ifindex, err, map, map_index),
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| 	TP_printk("prog_id=%d action=%s ifindex=%d to_ifindex=%d err=%d"
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| 		  " map_id=%d map_index=%d",
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| 		  __entry->prog_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->ifindex, __entry->to_ifindex,
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| 		  __entry->err,
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| 		  __entry->map_id, __entry->map_index)
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| );
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| 
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| #ifndef __DEVMAP_OBJ_TYPE
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| #define __DEVMAP_OBJ_TYPE
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| struct _bpf_dtab_netdev {
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| 	struct net_device *dev;
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| };
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| #endif /* __DEVMAP_OBJ_TYPE */
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| 
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| #define devmap_ifindex(fwd, map)				\
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| 	(!fwd ? 0 :						\
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| 	 ((map->map_type == BPF_MAP_TYPE_DEVMAP) ?		\
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| 	  ((struct _bpf_dtab_netdev *)fwd)->dev->ifindex : 0))
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| 
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| #define _trace_xdp_redirect_map(dev, xdp, fwd, map, idx)		\
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| 	 trace_xdp_redirect_map(dev, xdp, devmap_ifindex(fwd, map),	\
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| 				0, map, idx)
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| 
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| #define _trace_xdp_redirect_map_err(dev, xdp, fwd, map, idx, err)	\
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| 	 trace_xdp_redirect_map_err(dev, xdp, devmap_ifindex(fwd, map),	\
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| 				    err, map, idx)
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| 
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| TRACE_EVENT(xdp_cpumap_kthread,
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| 
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| 	TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
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| 		 int sched),
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| 
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| 	TP_ARGS(map_id, processed, drops, sched),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(int, map_id)
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| 		__field(u32, act)
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| 		__field(int, cpu)
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| 		__field(unsigned int, drops)
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| 		__field(unsigned int, processed)
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| 		__field(int, sched)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->map_id		= map_id;
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| 		__entry->act		= XDP_REDIRECT;
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| 		__entry->cpu		= smp_processor_id();
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| 		__entry->drops		= drops;
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| 		__entry->processed	= processed;
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| 		__entry->sched	= sched;
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| 	),
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| 
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| 	TP_printk("kthread"
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| 		  " cpu=%d map_id=%d action=%s"
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| 		  " processed=%u drops=%u"
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| 		  " sched=%d",
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| 		  __entry->cpu, __entry->map_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->processed, __entry->drops,
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| 		  __entry->sched)
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| );
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| 
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| TRACE_EVENT(xdp_cpumap_enqueue,
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| 
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| 	TP_PROTO(int map_id, unsigned int processed,  unsigned int drops,
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| 		 int to_cpu),
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| 
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| 	TP_ARGS(map_id, processed, drops, to_cpu),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(int, map_id)
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| 		__field(u32, act)
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| 		__field(int, cpu)
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| 		__field(unsigned int, drops)
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| 		__field(unsigned int, processed)
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| 		__field(int, to_cpu)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->map_id		= map_id;
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| 		__entry->act		= XDP_REDIRECT;
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| 		__entry->cpu		= smp_processor_id();
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| 		__entry->drops		= drops;
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| 		__entry->processed	= processed;
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| 		__entry->to_cpu		= to_cpu;
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| 	),
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| 
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| 	TP_printk("enqueue"
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| 		  " cpu=%d map_id=%d action=%s"
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| 		  " processed=%u drops=%u"
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| 		  " to_cpu=%d",
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| 		  __entry->cpu, __entry->map_id,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->processed, __entry->drops,
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| 		  __entry->to_cpu)
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| );
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| 
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| TRACE_EVENT(xdp_devmap_xmit,
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| 
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| 	TP_PROTO(const struct bpf_map *map, u32 map_index,
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| 		 int sent, int drops,
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| 		 const struct net_device *from_dev,
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| 		 const struct net_device *to_dev, int err),
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| 
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| 	TP_ARGS(map, map_index, sent, drops, from_dev, to_dev, err),
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| 
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| 	TP_STRUCT__entry(
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| 		__field(int, map_id)
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| 		__field(u32, act)
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| 		__field(u32, map_index)
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| 		__field(int, drops)
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| 		__field(int, sent)
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| 		__field(int, from_ifindex)
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| 		__field(int, to_ifindex)
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| 		__field(int, err)
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| 	),
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| 
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| 	TP_fast_assign(
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| 		__entry->map_id		= map->id;
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| 		__entry->act		= XDP_REDIRECT;
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| 		__entry->map_index	= map_index;
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| 		__entry->drops		= drops;
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| 		__entry->sent		= sent;
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| 		__entry->from_ifindex	= from_dev->ifindex;
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| 		__entry->to_ifindex	= to_dev->ifindex;
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| 		__entry->err		= err;
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| 	),
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| 
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| 	TP_printk("ndo_xdp_xmit"
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| 		  " map_id=%d map_index=%d action=%s"
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| 		  " sent=%d drops=%d"
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| 		  " from_ifindex=%d to_ifindex=%d err=%d",
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| 		  __entry->map_id, __entry->map_index,
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| 		  __print_symbolic(__entry->act, __XDP_ACT_SYM_TAB),
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| 		  __entry->sent, __entry->drops,
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| 		  __entry->from_ifindex, __entry->to_ifindex, __entry->err)
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| );
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| 
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| #endif /* _TRACE_XDP_H */
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| 
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| #include <trace/define_trace.h>
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