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
|
/* SPDX-License-Identifier: GPL-2.0 */
#undef TRACE_SYSTEM
#define TRACE_SYSTEM fib6
#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_FIB6_H
#include <linux/in6.h>
#include <net/flow.h>
#include <net/ip6_fib.h>
#include <linux/tracepoint.h>
TRACE_EVENT(fib6_table_lookup,
TP_PROTO(const struct net *net, const struct rt6_info *rt,
struct fib6_table *table, const struct flowi6 *flp),
TP_ARGS(net, rt, table, flp),
TP_STRUCT__entry(
__field( u32, tb_id )
__field( int, oif )
__field( int, iif )
__field( __u8, tos )
__field( __u8, scope )
__field( __u8, flags )
__array( __u8, src, 16 )
__array( __u8, dst, 16 )
__dynamic_array( char, name, IFNAMSIZ )
__array( __u8, gw, 16 )
),
TP_fast_assign(
struct in6_addr *in6;
__entry->tb_id = table->tb6_id;
__entry->oif = flp->flowi6_oif;
__entry->iif = flp->flowi6_iif;
__entry->tos = ip6_tclass(flp->flowlabel);
__entry->scope = flp->flowi6_scope;
__entry->flags = flp->flowi6_flags;
in6 = (struct in6_addr *)__entry->src;
*in6 = flp->saddr;
in6 = (struct in6_addr *)__entry->dst;
*in6 = flp->daddr;
if (rt->rt6i_idev) {
__assign_str(name, rt->rt6i_idev->dev->name);
} else {
__assign_str(name, "");
}
if (rt == net->ipv6.ip6_null_entry) {
struct in6_addr in6_zero = {};
in6 = (struct in6_addr *)__entry->gw;
*in6 = in6_zero;
} else if (rt) {
in6 = (struct in6_addr *)__entry->gw;
*in6 = rt->rt6i_gateway;
}
),
TP_printk("table %3u oif %d iif %d src %pI6c dst %pI6c tos %d scope %d flags %x ==> dev %s gw %pI6c",
__entry->tb_id, __entry->oif, __entry->iif,
__entry->src, __entry->dst, __entry->tos, __entry->scope,
__entry->flags, __get_str(name), __entry->gw)
);
#endif /* _TRACE_FIB6_H */
/* This part must be outside protection */
#include <trace/define_trace.h>
|
