cregit-Linux how code gets into the kernel

Release 4.12 include/trace/events/fib6.h


#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,
                 u32 tb_id, const struct flowi6 *flp),

	TP_ARGS(net, rt, tb_id, 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 = tb_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>

Overall Contributors

PersonTokensPropCommitsCommitProp
David Ahern6598.48%150.00%
Daniel Borkmann11.52%150.00%
Total66100.00%2100.00%
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