1#undef TRACE_SYSTEM
 2#define TRACE_SYSTEM fib6
 3
 4#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
 5#define _TRACE_FIB6_H
 6
 7#include <linux/in6.h>
 8#include <net/flow.h>
 9#include <net/ip6_fib.h>
10#include <linux/tracepoint.h>
11
12TRACE_EVENT(fib6_table_lookup,
13
14	TP_PROTO(const struct net *net, const struct rt6_info *rt,
15		 u32 tb_id, const struct flowi6 *flp),
16
17	TP_ARGS(net, rt, tb_id, flp),
18
19	TP_STRUCT__entry(
20		__field(	u32,	tb_id		)
21
22		__field(	int,	oif		)
23		__field(	int,	iif		)
24		__field(	__u8,	tos		)
25		__field(	__u8,	scope		)
26		__field(	__u8,	flags		)
27		__array(	__u8,	src,	16	)
28		__array(	__u8,	dst,	16	)
29
30		__dynamic_array(	char,	name,	IFNAMSIZ )
31		__array(		__u8,	gw,	16	 )
32	),
33
34	TP_fast_assign(
35		struct in6_addr *in6;
36
37		__entry->tb_id = tb_id;
38		__entry->oif = flp->flowi6_oif;
39		__entry->iif = flp->flowi6_iif;
40		__entry->tos = ip6_tclass(flp->flowlabel);
41		__entry->scope = flp->flowi6_scope;
42		__entry->flags = flp->flowi6_flags;
43
44		in6 = (struct in6_addr *)__entry->src;
45		*in6 = flp->saddr;
46
47		in6 = (struct in6_addr *)__entry->dst;
48		*in6 = flp->daddr;
49
50		if (rt->rt6i_idev) {
51			__assign_str(name, rt->rt6i_idev->dev->name);
52		} else {
53			__assign_str(name, "");
54		}
55		if (rt == net->ipv6.ip6_null_entry) {
56			struct in6_addr in6_zero = {};
57
58			in6 = (struct in6_addr *)__entry->gw;
59			*in6 = in6_zero;
60
61		} else if (rt) {
62			in6 = (struct in6_addr *)__entry->gw;
63			*in6 = rt->rt6i_gateway;
64		}
65	),
66
67	TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
68		  __entry->tb_id, __entry->oif, __entry->iif,
69		  __entry->src, __entry->dst, __entry->tos, __entry->scope,
70		  __entry->flags, __get_str(name), __entry->gw)
71);
72
73#endif /* _TRACE_FIB6_H */
74
75/* This part must be outside protection */
76#include <trace/define_trace.h>