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 | |
13 | TRACE_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 | |