fib6.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#undef TRACE_SYSTEM
 3#define TRACE_SYSTEM fib6
 4
 5#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)
 6#define _TRACE_FIB6_H
 7
 8#include <linux/in6.h>
 9#include <net/flow.h>
10#include <net/ip6_fib.h>
11#include <linux/tracepoint.h>
12
13TRACE_EVENT(fib6_table_lookup,
14
15	TP_PROTO(const struct net *net, const struct fib6_result *res,
16		 struct fib6_table *table, const struct flowi6 *flp),
17
18	TP_ARGS(net, res, table, flp),
19
20	TP_STRUCT__entry(
21		__field(	u32,	tb_id		)
22		__field(	int,	err		)
23		__field(	int,	oif		)
24		__field(	int,	iif		)
25		__field(	u32,	flowlabel	)
26		__field(	__u8,	tos		)
27		__field(	__u8,	scope		)
28		__field(	__u8,	flags		)
29		__array(	__u8,	src,	16	)
30		__array(	__u8,	dst,	16	)
31		__field(        u16,	sport		)
32		__field(        u16,	dport		)
33		__field(        u8,	proto		)
34		__field(        u8,	rt_type		)
35		__array(		char,	name,	IFNAMSIZ )
36		__array(		__u8,	gw,	16	 )
37	),
38
39	TP_fast_assign(
40		struct in6_addr *in6;
41
42		__entry->tb_id = table->tb6_id;
43		__entry->err = ip6_rt_type_to_error(res->fib6_type);
44		__entry->oif = flp->flowi6_oif;
45		__entry->iif = flp->flowi6_iif;
46		__entry->flowlabel = ntohl(flowi6_get_flowlabel(flp));
47		__entry->tos = ip6_tclass(flp->flowlabel);
48		__entry->scope = flp->flowi6_scope;
49		__entry->flags = flp->flowi6_flags;
50
51		in6 = (struct in6_addr *)__entry->src;
52		*in6 = flp->saddr;
53
54		in6 = (struct in6_addr *)__entry->dst;
55		*in6 = flp->daddr;
56
57		__entry->proto = flp->flowi6_proto;
58		if (__entry->proto == IPPROTO_TCP ||
59		    __entry->proto == IPPROTO_UDP) {
60			__entry->sport = ntohs(flp->fl6_sport);
61			__entry->dport = ntohs(flp->fl6_dport);
62		} else {
63			__entry->sport = 0;
64			__entry->dport = 0;
65		}
66
67		if (res->nh && res->nh->fib_nh_dev) {
68			strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ);
69		} else {
70			strcpy(__entry->name, "-");
71		}
72		if (res->f6i == net->ipv6.fib6_null_entry) {
73			in6 = (struct in6_addr *)__entry->gw;
74			*in6 = in6addr_any;
75		} else if (res->nh) {
76			in6 = (struct in6_addr *)__entry->gw;
77			*in6 = res->nh->fib_nh_gw6;
78		}
79	),
80
81	TP_printk("table %3u oif %d iif %d proto %u %pI6c/%u -> %pI6c/%u flowlabel %#x tos %d scope %d flags %x ==> dev %s gw %pI6c err %d",
82		  __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,
83		  __entry->src, __entry->sport, __entry->dst, __entry->dport,
84		  __entry->flowlabel, __entry->tos, __entry->scope,
85		  __entry->flags, __entry->name, __entry->gw, __entry->err)
86);
87
88#endif /* _TRACE_FIB6_H */
89
90/* This part must be outside protection */
91#include <trace/define_trace.h>