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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/include/trace/events/fib6.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#undef TRACE_SYSTEM

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#define TRACE_SYSTEM fib6

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#if !defined(_TRACE_FIB6_H) || defined(TRACE_HEADER_MULTI_READ)

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#define _TRACE_FIB6_H

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#include <linux/in6.h>

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#include <net/flow.h>

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#include <net/ip6_fib.h>

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#include <linux/tracepoint.h>

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TRACE_EVENT(fib6_table_lookup,

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	TP_PROTO(const struct net *net, const struct fib6_result *res,

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		 struct fib6_table *table, const struct flowi6 *flp),

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	TP_ARGS(net, res, table, flp),

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	TP_STRUCT__entry(

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		__field(	u32,	tb_id		)

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		__field(	int,	err		)

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		__field(	int,	oif		)

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		__field(	int,	iif		)

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		__field(	u32,	flowlabel	)

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		__field(	__u8,	tos		)

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		__field(	__u8,	scope		)

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		__field(	__u8,	flags		)

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		__array(	__u8,	src,	16	)

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		__array(	__u8,	dst,	16	)

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		__field(        u16,	sport		)

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		__field(        u16,	dport		)

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		__field(        u8,	proto		)

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		__field(        u8,	rt_type		)

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		__array(		char,	name,	IFNAMSIZ )

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		__array(		__u8,	gw,	16	 )

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	),

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	TP_fast_assign(

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		struct in6_addr *in6;

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		__entry->tb_id = table->tb6_id;

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		__entry->err = ip6_rt_type_to_error(res->fib6_type);

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		__entry->oif = flp->flowi6_oif;

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		__entry->iif = flp->flowi6_iif;

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		__entry->flowlabel = ntohl(flowi6_get_flowlabel(flp));

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		__entry->tos = ip6_tclass(flp->flowlabel);

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		__entry->scope = flp->flowi6_scope;

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		__entry->flags = flp->flowi6_flags;

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		in6 = (struct in6_addr *)__entry->src;

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		*in6 = flp->saddr;

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		in6 = (struct in6_addr *)__entry->dst;

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		*in6 = flp->daddr;

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		__entry->proto = flp->flowi6_proto;

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		if (__entry->proto == IPPROTO_TCP ||

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		    __entry->proto == IPPROTO_UDP) {

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			__entry->sport = ntohs(flp->fl6_sport);

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			__entry->dport = ntohs(flp->fl6_dport);

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		} else {

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			__entry->sport = 0;

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			__entry->dport = 0;

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		}

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		if (res->nh && res->nh->fib_nh_dev) {

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			strscpy(__entry->name, res->nh->fib_nh_dev->name, IFNAMSIZ);

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		} else {

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			strcpy(__entry->name, "-");

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		}

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		if (res->f6i == net->ipv6.fib6_null_entry) {

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			in6 = (struct in6_addr *)__entry->gw;

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			*in6 = in6addr_any;

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		} else if (res->nh) {

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			in6 = (struct in6_addr *)__entry->gw;

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			*in6 = res->nh->fib_nh_gw6;

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		}

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	),

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	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",

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		  __entry->tb_id, __entry->oif, __entry->iif, __entry->proto,

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		  __entry->src, __entry->sport, __entry->dst, __entry->dport,

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		  __entry->flowlabel, __entry->tos, __entry->scope,

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		  __entry->flags, __entry->name, __entry->gw, __entry->err)

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);

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#endif /* _TRACE_FIB6_H */

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/* This part must be outside protection */

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#include <trace/define_trace.h>

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