1 /* SPDX-License-Identifier: GPL-2.0 */
2 #undef TRACE_SYSTEM
3 #define TRACE_SYSTEM fib6
4 
5 #if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
6 #define _TRACE_FIB6_H
7 
8 #include <linux/in6.h>
9 #include <net/flow.h>
10 #include <net/ip6_fib.h>
11 #include <linux/tracepoint.h>
12 
13 TRACE_EVENT(fib6_table_lookup,
14 
15 	TP_PROTO(const struct net *net, const struct fib6_result *res,
16 		 struct fib6_table *table, const struct flowi6 *flp),
17 
18 	TP_ARGS(net, res, table, flp),
19 
20 	TP_STRUCT__entry(
21 		__field(	u32,	tb_id		)
22 		__field(	int,	err		)
23 		__field(	int,	oif		)
24 		__field(	int,	iif		)
25 		__field(	__u8,	tos		)
26 		__field(	__u8,	scope		)
27 		__field(	__u8,	flags		)
28 		__array(	__u8,	src,	16	)
29 		__array(	__u8,	dst,	16	)
30 		__field(        u16,	sport		)
31 		__field(        u16,	dport		)
32 		__field(        u8,	proto		)
33 		__field(        u8,	rt_type		)
34 		__array(		char,	name,	IFNAMSIZ )
35 		__array(		__u8,	gw,	16	 )
36 	),
37 
38 	TP_fast_assign(
39 		struct in6_addr *in6;
40 
41 		__entry->tb_id = table->tb6_id;
42 		__entry->err = ip6_rt_type_to_error(res->fib6_type);
43 		__entry->oif = flp->flowi6_oif;
44 		__entry->iif = flp->flowi6_iif;
45 		__entry->tos = ip6_tclass(flp->flowlabel);
46 		__entry->scope = flp->flowi6_scope;
47 		__entry->flags = flp->flowi6_flags;
48 
49 		in6 = (struct in6_addr *)__entry->src;
50 		*in6 = flp->saddr;
51 
52 		in6 = (struct in6_addr *)__entry->dst;
53 		*in6 = flp->daddr;
54 
55 		__entry->proto = flp->flowi6_proto;
56 		if (__entry->proto == IPPROTO_TCP ||
57 		    __entry->proto == IPPROTO_UDP) {
58 			__entry->sport = ntohs(flp->fl6_sport);
59 			__entry->dport = ntohs(flp->fl6_dport);
60 		} else {
61 			__entry->sport = 0;
62 			__entry->dport = 0;
63 		}
64 
65 		if (res->nh && res->nh->fib_nh_dev) {
66 			strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ);
67 		} else {
68 			strcpy(__entry->name, "-");
69 		}
70 		if (res->f6i == net->ipv6.fib6_null_entry) {
71 			in6 = (struct in6_addr *)__entry->gw;
72 			*in6 = in6addr_any;
73 		} else if (res->nh) {
74 			in6 = (struct in6_addr *)__entry->gw;
75 			*in6 = res->nh->fib_nh_gw6;
76 		}
77 	),
78 
79 	TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
80 		  __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
81 		  __entry->src, __entry->sport, __entry->dst, __entry->dport,
82 		  __entry->tos, __entry->scope, __entry->flags,
83 		  __entry->name, __entry->gw, __entry->err)
84 );
85 
86 #endif /* _TRACE_FIB6_H */
87 
88 /* This part must be outside protection */
89 #include <trace/define_trace.h>
90