1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fib
#if !defined(_TRACE_FIB_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FIB_H
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <net/ip_fib.h>
#include <linux/tracepoint.h>
TRACE_EVENT(fib_table_lookup,
TP_PROTO(u32 tb_id, const struct flowi4 *flp,
const struct fib_nh *nh, int err),
TP_ARGS(tb_id, flp, nh, err),
TP_STRUCT__entry(
__field( u32, tb_id )
__field( int, err )
__field( int, oif )
__field( int, iif )
__field( u8, proto )
__field( __u8, tos )
__field( __u8, scope )
__field( __u8, flags )
__array( __u8, src, 4 )
__array( __u8, dst, 4 )
__array( __u8, gw, 4 )
__array( __u8, saddr, 4 )
__field( u16, sport )
__field( u16, dport )
__dynamic_array(char, name, IFNAMSIZ )
),
TP_fast_assign(
__be32 *p32;
__entry->tb_id = tb_id;
__entry->err = err;
__entry->oif = flp->flowi4_oif;
__entry->iif = flp->flowi4_iif;
__entry->tos = flp->flowi4_tos;
__entry->scope = flp->flowi4_scope;
__entry->flags = flp->flowi4_flags;
p32 = (__be32 *) __entry->src;
*p32 = flp->saddr;
p32 = (__be32 *) __entry->dst;
*p32 = flp->daddr;
__entry->proto = flp->flowi4_proto;
if (__entry->proto == IPPROTO_TCP ||
__entry->proto == IPPROTO_UDP) {
__entry->sport = ntohs(flp->fl4_sport);
__entry->dport = ntohs(flp->fl4_dport);
} else {
__entry->sport = 0;
__entry->dport = 0;
}
if (nh) {
p32 = (__be32 *) __entry->saddr;
*p32 = nh->nh_saddr;
p32 = (__be32 *) __entry->gw;
*p32 = nh->nh_gw;
__assign_str(name, nh->nh_dev ? nh->nh_dev->name : "-");
} else {
p32 = (__be32 *) __entry->saddr;
*p32 = 0;
p32 = (__be32 *) __entry->gw;
*p32 = 0;
__assign_str(name, "-");
}
),
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",
__entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
__entry->src, __entry->sport, __entry->dst, __entry->dport,
__entry->tos, __entry->scope, __entry->flags,
__get_str(name), __entry->gw, __entry->saddr, __entry->err)
);
#endif /* _TRACE_FIB_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
