1/* SPDX-License-Identifier: GPL-2.0 */
2#undef TRACE_SYSTEM
3#define TRACE_SYSTEM fib
4
5#if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ)
6#define _TRACE_FIB_H
7
8#include <linux/skbuff.h>
9#include <linux/netdevice.h>
10#include <net/ip_fib.h>
11#include <linux/tracepoint.h>
12
13TRACE_EVENT(fib_table_lookup,
14
15 TP_PROTO(u32 tb_id, const struct flowi4 *flp,
16 const struct fib_nh *nh, int err),
17
18 TP_ARGS(tb_id, flp, nh, err),
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, proto )
26 __field( __u8, tos )
27 __field( __u8, scope )
28 __field( __u8, flags )
29 __array( __u8, src, 4 )
30 __array( __u8, dst, 4 )
31 __array( __u8, gw, 4 )
32 __array( __u8, saddr, 4 )
33 __field( u16, sport )
34 __field( u16, dport )
35 __dynamic_array(char, name, IFNAMSIZ )
36 ),
37
38 TP_fast_assign(
39 __be32 *p32;
40
41 __entry->tb_id = tb_id;
42 __entry->err = err;
43 __entry->oif = flp->flowi4_oif;
44 __entry->iif = flp->flowi4_iif;
45 __entry->tos = flp->flowi4_tos;
46 __entry->scope = flp->flowi4_scope;
47 __entry->flags = flp->flowi4_flags;
48
49 p32 = (__be32 *) __entry->src;
50 *p32 = flp->saddr;
51
52 p32 = (__be32 *) __entry->dst;
53 *p32 = flp->daddr;
54
55 __entry->proto = flp->flowi4_proto;
56 if (__entry->proto == IPPROTO_TCP ||
57 __entry->proto == IPPROTO_UDP) {
58 __entry->sport = ntohs(flp->fl4_sport);
59 __entry->dport = ntohs(flp->fl4_dport);
60 } else {
61 __entry->sport = 0;
62 __entry->dport = 0;
63 }
64
65 if (nh) {
66 p32 = (__be32 *) __entry->saddr;
67 *p32 = nh->nh_saddr;
68
69 p32 = (__be32 *) __entry->gw;
70 *p32 = nh->nh_gw;
71
72 __assign_str(name, nh->nh_dev ? nh->nh_dev->name : "-");
73 } else {
74 p32 = (__be32 *) __entry->saddr;
75 *p32 = 0;
76
77 p32 = (__be32 *) __entry->gw;
78 *p32 = 0;
79
80 __assign_str(name, "-");
81 }
82 ),
83
84 TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4 src %pI4 err %d",
85 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
86 __entry->src, __entry->sport, __entry->dst, __entry->dport,
87 __entry->tos, __entry->scope, __entry->flags,
88 __get_str(name), __entry->gw, __entry->saddr, __entry->err)
89);
90#endif /* _TRACE_FIB_H */
91
92/* This part must be outside protection */
93#include <trace/define_trace.h>
94