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
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