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/flow.h>
11#include <net/inet_dscp.h>
12#include <net/ip_fib.h>
13#include <linux/tracepoint.h>
14
15TRACE_EVENT(fib_table_lookup,
16
17 TP_PROTO(u32 tb_id, const struct flowi4 *flp,
18 const struct fib_nh_common *nhc, int err),
19
20 TP_ARGS(tb_id, flp, nhc, err),
21
22 TP_STRUCT__entry(
23 __field( u32, tb_id )
24 __field( int, err )
25 __field( int, oif )
26 __field( int, iif )
27 __field( u8, proto )
28 __field( __u8, tos )
29 __field( __u8, scope )
30 __field( __u8, flags )
31 __array( __u8, src, 4 )
32 __array( __u8, dst, 4 )
33 __array( __u8, gw4, 4 )
34 __array( __u8, gw6, 16 )
35 __field( u16, sport )
36 __field( u16, dport )
37 __array(char, name, IFNAMSIZ )
38 ),
39
40 TP_fast_assign(
41 struct net_device *dev;
42 struct in6_addr *in6;
43 __be32 *p32;
44
45 __entry->tb_id = tb_id;
46 __entry->err = err;
47 __entry->oif = flp->flowi4_oif;
48 __entry->iif = flp->flowi4_iif;
49 __entry->tos = inet_dscp_to_dsfield(flp->flowi4_dscp);
50 __entry->scope = flp->flowi4_scope;
51 __entry->flags = flp->flowi4_flags;
52
53 p32 = (__be32 *) __entry->src;
54 *p32 = flp->saddr;
55
56 p32 = (__be32 *) __entry->dst;
57 *p32 = flp->daddr;
58
59 __entry->proto = flp->flowi4_proto;
60 if (__entry->proto == IPPROTO_TCP ||
61 __entry->proto == IPPROTO_UDP) {
62 __entry->sport = ntohs(flp->fl4_sport);
63 __entry->dport = ntohs(flp->fl4_dport);
64 } else {
65 __entry->sport = 0;
66 __entry->dport = 0;
67 }
68
69 dev = nhc ? nhc->nhc_dev : NULL;
70 strscpy(__entry->name, dev ? dev->name : "-", IFNAMSIZ);
71
72 if (nhc) {
73 if (nhc->nhc_gw_family == AF_INET) {
74 p32 = (__be32 *) __entry->gw4;
75 *p32 = nhc->nhc_gw.ipv4;
76
77 in6 = (struct in6_addr *)__entry->gw6;
78 *in6 = in6addr_any;
79 } else if (nhc->nhc_gw_family == AF_INET6) {
80 p32 = (__be32 *) __entry->gw4;
81 *p32 = 0;
82
83 in6 = (struct in6_addr *)__entry->gw6;
84 *in6 = nhc->nhc_gw.ipv6;
85 }
86 } else {
87 p32 = (__be32 *) __entry->gw4;
88 *p32 = 0;
89
90 in6 = (struct in6_addr *)__entry->gw6;
91 *in6 = in6addr_any;
92 }
93 ),
94
95 TP_printk("table %u oif %d iif %d proto %u %pI4/%u -> %pI4/%u tos %d scope %d flags %x ==> dev %s gw %pI4/%pI6c err %d",
96 __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
97 __entry->src, __entry->sport, __entry->dst, __entry->dport,
98 __entry->tos, __entry->scope, __entry->flags,
99 __entry->name, __entry->gw4, __entry->gw6, __entry->err)
100);
101#endif /* _TRACE_FIB_H */
102
103/* This part must be outside protection */
104#include <trace/define_trace.h>
105