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
13TRACE_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( u32, flowlabel )
26 __field( __u8, tos )
27 __field( __u8, scope )
28 __field( __u8, flags )
29 __array( __u8, src, 16 )
30 __array( __u8, dst, 16 )
31 __field( u16, sport )
32 __field( u16, dport )
33 __field( u8, proto )
34 __field( u8, rt_type )
35 __array( char, name, IFNAMSIZ )
36 __array( __u8, gw, 16 )
37 ),
38
39 TP_fast_assign(
40 struct in6_addr *in6;
41
42 __entry->tb_id = table->tb6_id;
43 __entry->err = ip6_rt_type_to_error(res->fib6_type);
44 __entry->oif = flp->flowi6_oif;
45 __entry->iif = flp->flowi6_iif;
46 __entry->flowlabel = ntohl(flowi6_get_flowlabel(flp));
47 __entry->tos = ip6_tclass(flp->flowlabel);
48 __entry->scope = flp->flowi6_scope;
49 __entry->flags = flp->flowi6_flags;
50
51 in6 = (struct in6_addr *)__entry->src;
52 *in6 = flp->saddr;
53
54 in6 = (struct in6_addr *)__entry->dst;
55 *in6 = flp->daddr;
56
57 __entry->proto = flp->flowi6_proto;
58 if (__entry->proto == IPPROTO_TCP ||
59 __entry->proto == IPPROTO_UDP) {
60 __entry->sport = ntohs(flp->fl6_sport);
61 __entry->dport = ntohs(flp->fl6_dport);
62 } else {
63 __entry->sport = 0;
64 __entry->dport = 0;
65 }
66
67 if (res->nh && res->nh->fib_nh_dev) {
68 strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ);
69 } else {
70 strcpy(__entry->name, "-");
71 }
72 if (res->f6i == net->ipv6.fib6_null_entry) {
73 in6 = (struct in6_addr *)__entry->gw;
74 *in6 = in6addr_any;
75 } else if (res->nh) {
76 in6 = (struct in6_addr *)__entry->gw;
77 *in6 = res->nh->fib_nh_gw6;
78 }
79 ),
80
81 TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u flowlabel %#x tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
82 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
83 __entry->src, __entry->sport, __entry->dst, __entry->dport,
84 __entry->flowlabel, __entry->tos, __entry->scope,
85 __entry->flags, __entry->name, __entry->gw, __entry->err)
86);
87
88#endif /* _TRACE_FIB6_H */
89
90/* This part must be outside protection */
91#include <trace/define_trace.h>
92