xref: /linux/include/trace/events/fib6.h (revision 74ce1896c6c65b2f8cccbf59162d542988835835)
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 
12 TRACE_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>
77